mirror of
https://github.com/mozilla/gecko-dev.git
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2c2c0487c0
Also, always resize, not just on change. (As per spec) Differential Revision: https://phabricator.services.mozilla.com/D59967 --HG-- extra : moz-landing-system : lando
5417 lines
168 KiB
C++
5417 lines
168 KiB
C++
/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "ClientWebGLContext.h"
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#include "ClientWebGLExtensions.h"
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#include "HostWebGLContext.h"
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#include "mozilla/dom/ToJSValue.h"
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#include "mozilla/dom/WebGLContextEvent.h"
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#include "mozilla/dom/WorkerCommon.h"
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#include "mozilla/EnumeratedRange.h"
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#include "mozilla/ipc/Shmem.h"
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#include "mozilla/layers/CompositorBridgeChild.h"
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#include "mozilla/layers/ImageBridgeChild.h"
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#include "mozilla/layers/LayerTransactionChild.h"
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#include "mozilla/layers/OOPCanvasRenderer.h"
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#include "mozilla/layers/TextureClientSharedSurface.h"
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#include "mozilla/Preferences.h"
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#include "mozilla/StaticPrefs_webgl.h"
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#include "nsContentUtils.h"
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#include "nsIGfxInfo.h"
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#include "TexUnpackBlob.h"
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#include "WebGLMethodDispatcher.h"
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#include "WebGLChild.h"
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#include "WebGLValidateStrings.h"
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namespace mozilla {
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webgl::NotLostData::NotLostData(ClientWebGLContext& _context)
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: context(_context) {}
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webgl::NotLostData::~NotLostData() = default;
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// -
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bool webgl::ObjectJS::ValidateForContext(
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const ClientWebGLContext& targetContext, const char* const argName) const {
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if (!IsForContext(targetContext)) {
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targetContext.EnqueueError(
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LOCAL_GL_INVALID_OPERATION,
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"`%s` is from a different (or lost) WebGL context.", argName);
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return false;
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}
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return true;
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}
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void webgl::ObjectJS::WarnInvalidUse(const ClientWebGLContext& targetContext,
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const char* const argName) const {
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if (!ValidateForContext(targetContext, argName)) return;
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const auto errEnum = ErrorOnDeleted();
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targetContext.EnqueueError(errEnum, "Object `%s` is already deleted.",
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argName);
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}
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static bool GetJSScalarFromGLType(GLenum type,
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js::Scalar::Type* const out_scalarType) {
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switch (type) {
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case LOCAL_GL_BYTE:
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*out_scalarType = js::Scalar::Int8;
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return true;
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case LOCAL_GL_UNSIGNED_BYTE:
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*out_scalarType = js::Scalar::Uint8;
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return true;
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case LOCAL_GL_SHORT:
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*out_scalarType = js::Scalar::Int16;
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return true;
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case LOCAL_GL_HALF_FLOAT:
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case LOCAL_GL_HALF_FLOAT_OES:
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case LOCAL_GL_UNSIGNED_SHORT:
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case LOCAL_GL_UNSIGNED_SHORT_4_4_4_4:
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case LOCAL_GL_UNSIGNED_SHORT_5_5_5_1:
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case LOCAL_GL_UNSIGNED_SHORT_5_6_5:
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*out_scalarType = js::Scalar::Uint16;
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return true;
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case LOCAL_GL_UNSIGNED_INT:
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case LOCAL_GL_UNSIGNED_INT_2_10_10_10_REV:
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case LOCAL_GL_UNSIGNED_INT_5_9_9_9_REV:
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case LOCAL_GL_UNSIGNED_INT_10F_11F_11F_REV:
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case LOCAL_GL_UNSIGNED_INT_24_8:
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*out_scalarType = js::Scalar::Uint32;
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return true;
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case LOCAL_GL_INT:
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*out_scalarType = js::Scalar::Int32;
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return true;
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case LOCAL_GL_FLOAT:
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*out_scalarType = js::Scalar::Float32;
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return true;
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default:
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return false;
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}
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}
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ClientWebGLContext::ClientWebGLContext(const bool webgl2)
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: mIsWebGL2(webgl2),
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mExtLoseContext(new ClientWebGLExtensionLoseContext(*this)) {}
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ClientWebGLContext::~ClientWebGLContext() { RemovePostRefreshObserver(); }
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bool ClientWebGLContext::UpdateCompositableHandle(
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LayerTransactionChild* aLayerTransaction, CompositableHandle aHandle) {
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// When running OOP WebGL (i.e. when we have a WebGLChild actor), tell the
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// host about the new compositable. When running in-process, we don't need to
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// care.
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if (mNotLost->outOfProcess) {
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WEBGL_BRIDGE_LOGI("[%p] Setting CompositableHandle to %" PRIx64, this,
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aHandle.Value());
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return mNotLost->outOfProcess->mWebGLChild->SendUpdateCompositableHandle(
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aLayerTransaction, aHandle);
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}
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return true;
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}
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void ClientWebGLContext::JsWarning(const std::string& utf8) const {
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if (!mCanvasElement) {
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return;
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}
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dom::AutoJSAPI api;
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if (!api.Init(mCanvasElement->OwnerDoc()->GetScopeObject())) {
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return;
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}
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const auto& cx = api.cx();
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JS::WarnUTF8(cx, "%s", utf8.c_str());
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}
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void AutoJsWarning(const std::string& utf8) {
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const AutoJSContext cx;
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JS::WarnUTF8(cx, "%s", utf8.c_str());
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}
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// ---------
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bool ClientWebGLContext::DispatchEvent(const nsAString& eventName) const {
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const auto kCanBubble = CanBubble::eYes;
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const auto kIsCancelable = Cancelable::eYes;
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bool useDefaultHandler = true;
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if (mCanvasElement) {
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nsContentUtils::DispatchTrustedEvent(
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mCanvasElement->OwnerDoc(), static_cast<nsIContent*>(mCanvasElement),
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eventName, kCanBubble, kIsCancelable, &useDefaultHandler);
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} else if (mOffscreenCanvas) {
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// OffscreenCanvas case
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RefPtr<Event> event = new Event(mOffscreenCanvas, nullptr, nullptr);
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event->InitEvent(eventName, kCanBubble, kIsCancelable);
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event->SetTrusted(true);
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useDefaultHandler = mOffscreenCanvas->DispatchEvent(
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*event, CallerType::System, IgnoreErrors());
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}
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return useDefaultHandler;
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}
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// -
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void ClientWebGLContext::EmulateLoseContext() {
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const FuncScope funcScope(*this, "loseContext");
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if (mLossStatus != webgl::LossStatus::Ready) {
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JsWarning("loseContext: Already lost.");
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if (!mNextError) {
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mNextError = LOCAL_GL_INVALID_OPERATION;
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}
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return;
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}
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OnContextLoss(webgl::ContextLossReason::Manual);
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}
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void ClientWebGLContext::OnContextLoss(const webgl::ContextLossReason reason) {
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MOZ_ASSERT(NS_IsMainThread());
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JsWarning("WebGL context was lost.");
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if (mNotLost) {
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for (const auto& ext : mNotLost->extensions) {
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if (!ext) continue;
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ext->mContext = nullptr; // Detach.
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}
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mNotLost = {}; // Lost now!
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mNextError = LOCAL_GL_CONTEXT_LOST_WEBGL;
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}
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switch (reason) {
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case webgl::ContextLossReason::Guilty:
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mLossStatus = webgl::LossStatus::LostForever;
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break;
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case webgl::ContextLossReason::None:
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mLossStatus = webgl::LossStatus::Lost;
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break;
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case webgl::ContextLossReason::Manual:
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mLossStatus = webgl::LossStatus::LostManually;
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break;
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}
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const auto weak = WeakPtr<ClientWebGLContext>(this);
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const auto fnRun = [weak]() {
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const auto strong = RefPtr<ClientWebGLContext>(weak);
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if (!strong) return;
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strong->Event_webglcontextlost();
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};
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already_AddRefed<mozilla::Runnable> runnable =
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NS_NewRunnableFunction("enqueue Event_webglcontextlost", fnRun);
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NS_DispatchToCurrentThread(std::move(runnable));
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}
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void ClientWebGLContext::Event_webglcontextlost() {
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WEBGL_BRIDGE_LOGD("[%p] Posting webglcontextlost event", this);
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const bool useDefaultHandler =
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DispatchEvent(NS_LITERAL_STRING("webglcontextlost"));
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if (useDefaultHandler) {
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mLossStatus = webgl::LossStatus::LostForever;
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}
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if (mLossStatus == webgl::LossStatus::Lost) {
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RestoreContext(webgl::LossStatus::Lost);
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}
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}
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void ClientWebGLContext::RestoreContext(
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const webgl::LossStatus requiredStatus) {
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if (requiredStatus != mLossStatus) {
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JsWarning(
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"restoreContext: Only valid iff context lost with loseContext().");
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if (!mNextError) {
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mNextError = LOCAL_GL_INVALID_OPERATION;
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}
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return;
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}
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MOZ_RELEASE_ASSERT(mLossStatus == webgl::LossStatus::Lost ||
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mLossStatus == webgl::LossStatus::LostManually);
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if (mAwaitingRestore) return;
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mAwaitingRestore = true;
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const auto weak = WeakPtr<ClientWebGLContext>(this);
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const auto fnRun = [weak]() {
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const auto strong = RefPtr<ClientWebGLContext>(weak);
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if (!strong) return;
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strong->Event_webglcontextrestored();
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};
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already_AddRefed<mozilla::Runnable> runnable =
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NS_NewRunnableFunction("enqueue Event_webglcontextrestored", fnRun);
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NS_DispatchToCurrentThread(std::move(runnable));
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}
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void ClientWebGLContext::Event_webglcontextrestored() {
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mAwaitingRestore = false;
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mLossStatus = webgl::LossStatus::Ready;
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mNextError = 0;
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const uvec2 requestSize = {mCanvasElement->Width(), mCanvasElement->Height()};
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if (!CreateHostContext(requestSize)) {
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mLossStatus = webgl::LossStatus::LostForever;
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return;
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}
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WEBGL_BRIDGE_LOGD("[%p] Posting webglcontextrestored event", this);
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(void)DispatchEvent(NS_LITERAL_STRING("webglcontextrestored"));
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}
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// ---------
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void ClientWebGLContext::ThrowEvent_WebGLContextCreationError(
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const std::string& text) const {
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nsCString msg;
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msg.AppendPrintf("Failed to create WebGL context: %s", text.c_str());
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JsWarning(msg.BeginReading());
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RefPtr<EventTarget> target = mCanvasElement;
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if (!target && mOffscreenCanvas) {
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target = mOffscreenCanvas;
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} else if (!target) {
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return;
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}
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WEBGL_BRIDGE_LOGD("[%p] Posting webglcontextcreationerror event", this);
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const auto kEventName = NS_LITERAL_STRING("webglcontextcreationerror");
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dom::WebGLContextEventInit eventInit;
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// eventInit.mCancelable = true; // The spec says this, but it's silly.
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eventInit.mStatusMessage = NS_ConvertASCIItoUTF16(text.c_str());
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const RefPtr<WebGLContextEvent> event =
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WebGLContextEvent::Constructor(target, kEventName, eventInit);
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event->SetTrusted(true);
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target->DispatchEvent(*event);
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}
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// ---
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/*
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// Dispatch a command to the host, using data in WebGLMethodDispatcher for
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// information: e.g. to choose the right synchronization protocol.
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template <typename ReturnType>
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struct WebGLClientDispatcher {
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// non-const method
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template <size_t Id, typename... MethodArgs, typename... GivenArgs>
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static ReturnType Run(const ClientWebGLContext& c,
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ReturnType (HostWebGLContext::*method)(MethodArgs...),
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GivenArgs&&... aArgs) {
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// Non-void calls must be sync, otherwise what would we return?
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MOZ_ASSERT(WebGLMethodDispatcher::SyncType<Id>() == CommandSyncType::SYNC);
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return c.DispatchSync<Id, ReturnType>(
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static_cast<const MethodArgs&>(aArgs)...);
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}
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// const method
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template <size_t Id, typename... MethodArgs, typename... GivenArgs>
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static ReturnType Run(const ClientWebGLContext& c,
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ReturnType (HostWebGLContext::*method)(MethodArgs...)
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const,
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GivenArgs&&... aArgs) {
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// Non-void calls must be sync, otherwise what would we return?
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MOZ_ASSERT(WebGLMethodDispatcher::SyncType<Id>() == CommandSyncType::SYNC);
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return c.DispatchSync<Id, ReturnType>(
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static_cast<const MethodArgs&>(aArgs)...);
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}
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};
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template <>
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struct WebGLClientDispatcher<void> {
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// non-const method
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template <size_t Id, typename... MethodArgs, typename... GivenArgs>
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static void Run(const ClientWebGLContext& c,
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void (HostWebGLContext::*method)(MethodArgs...),
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GivenArgs&&... aArgs) {
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if (WebGLMethodDispatcher::SyncType<Id>() == CommandSyncType::SYNC) {
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c.DispatchVoidSync<Id>(static_cast<const MethodArgs&>(aArgs)...);
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} else {
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c.DispatchAsync<Id>(static_cast<const MethodArgs&>(aArgs)...);
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}
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}
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// const method
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template <size_t Id, typename... MethodArgs, typename... GivenArgs>
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static void Run(const ClientWebGLContext& c,
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void (HostWebGLContext::*method)(MethodArgs...) const,
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GivenArgs&&... aArgs) {
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if (WebGLMethodDispatcher::SyncType<Id>() == CommandSyncType::SYNC) {
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c.DispatchVoidSync<Id>(static_cast<const MethodArgs&>(aArgs)...);
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} else {
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c.DispatchAsync<Id>(static_cast<const MethodArgs&>(aArgs)...);
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}
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}
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};
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*/
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template <typename T>
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inline T DefaultOrVoid() {
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return {};
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}
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template <>
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inline void DefaultOrVoid<void>() {
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return;
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}
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template <typename MethodType, MethodType method, typename ReturnType,
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size_t Id, typename... Args>
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ReturnType RunOn(const ClientWebGLContext& context, Args&&... aArgs) {
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const auto notLost =
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context.mNotLost; // Hold a strong-ref to prevent LoseContext=>UAF.
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if (!notLost) return DefaultOrVoid<ReturnType>();
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const auto& inProcessContext = notLost->inProcess;
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if (inProcessContext) {
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return ((inProcessContext.get())->*method)(std::forward<Args>(aArgs)...);
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}
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MOZ_CRASH("todo");
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// return WebGLClientDispatcher<ReturnType>::template Run<Id>(*this, method,
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// aArgs...);
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}
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// If we are running WebGL in this process then call the HostWebGLContext
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// method directly. Otherwise, dispatch over IPC.
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template <typename MethodType, MethodType method, typename ReturnType,
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typename... Args>
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// template <
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// typename MethodType, MethodType method,
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// typename ReturnType, size_t Id,
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// typename... Args>
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ReturnType ClientWebGLContext::Run(Args&&... aArgs) const {
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return RunOn<MethodType, method, ReturnType,
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WebGLMethodDispatcher::Id<MethodType, method>(), Args...>(
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*this, std::forward<Args>(aArgs)...);
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}
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// -------------------------------------------------------------------------
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// Client-side helper methods. Dispatch to a Host method.
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// -------------------------------------------------------------------------
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#define RPROC(_METHOD) \
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decltype(&HostWebGLContext::_METHOD), &HostWebGLContext::_METHOD
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// ------------------------- Composition, etc -------------------------
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static uint8_t gWebGLLayerUserData;
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class WebGLContextUserData : public LayerUserData {
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public:
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explicit WebGLContextUserData(HTMLCanvasElement* canvas) : mCanvas(canvas) {}
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/* PreTransactionCallback gets called by the Layers code every time the
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* WebGL canvas is going to be composited.
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*/
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static void PreTransactionCallback(void* data) {
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ClientWebGLContext* webgl = static_cast<ClientWebGLContext*>(data);
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// Prepare the context for composition
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webgl->BeginComposition();
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}
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/** DidTransactionCallback gets called by the Layers code everytime the WebGL
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* canvas gets composite, so it really is the right place to put actions that
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* have to be performed upon compositing
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*/
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static void DidTransactionCallback(void* data) {
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ClientWebGLContext* webgl = static_cast<ClientWebGLContext*>(data);
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// Clean up the context after composition
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webgl->EndComposition();
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}
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private:
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RefPtr<HTMLCanvasElement> mCanvas;
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};
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void ClientWebGLContext::BeginComposition() {
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// When running single-process WebGL, Present needs to be called in
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// BeginComposition so that it is done _before_ the CanvasRenderer to
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// Update attaches it for composition.
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// When running cross-process WebGL, Present needs to be called in
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// EndComposition so that it happens _after_ the OOPCanvasRenderer's
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// Update tells it what CompositableHost to use,
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if (!mNotLost) return;
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if (mNotLost->inProcess) {
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WEBGL_BRIDGE_LOGI("[%p] Presenting", this);
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mNotLost->inProcess->Present();
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}
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}
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void ClientWebGLContext::EndComposition() {
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if (!mNotLost) return;
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if (mNotLost->outOfProcess) {
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WEBGL_BRIDGE_LOGI("[%p] Presenting", this);
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Run<RPROC(Present)>();
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}
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// Mark ourselves as no longer invalidated.
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MarkContextClean();
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}
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void ClientWebGLContext::Present() { Run<RPROC(Present)>(); }
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void ClientWebGLContext::ClearVRFrame() const { Run<RPROC(ClearVRFrame)>(); }
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RefPtr<layers::SharedSurfaceTextureClient> ClientWebGLContext::GetVRFrame()
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const {
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return Run<RPROC(GetVRFrame)>();
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}
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already_AddRefed<layers::Layer> ClientWebGLContext::GetCanvasLayer(
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nsDisplayListBuilder* builder, Layer* oldLayer, LayerManager* manager) {
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if (!mResetLayer && oldLayer && oldLayer->HasUserData(&gWebGLLayerUserData)) {
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RefPtr<layers::Layer> ret = oldLayer;
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return ret.forget();
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}
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WEBGL_BRIDGE_LOGI("[%p] Creating WebGL CanvasLayer/Renderer", this);
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RefPtr<CanvasLayer> canvasLayer = manager->CreateCanvasLayer();
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if (!canvasLayer) {
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NS_WARNING("CreateCanvasLayer returned null!");
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return nullptr;
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}
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WebGLContextUserData* userData = nullptr;
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if (builder->IsPaintingToWindow() && mCanvasElement) {
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userData = new WebGLContextUserData(mCanvasElement);
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}
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canvasLayer->SetUserData(&gWebGLLayerUserData, userData);
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CanvasRenderer* canvasRenderer = canvasLayer->CreateOrGetCanvasRenderer();
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if (!InitializeCanvasRenderer(builder, canvasRenderer)) return nullptr;
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uint32_t flags = HasAlphaSupport() ? 0 : Layer::CONTENT_OPAQUE;
|
|
canvasLayer->SetContentFlags(flags);
|
|
|
|
mResetLayer = false;
|
|
|
|
return canvasLayer.forget();
|
|
}
|
|
|
|
bool ClientWebGLContext::UpdateWebRenderCanvasData(
|
|
nsDisplayListBuilder* aBuilder, WebRenderCanvasData* aCanvasData) {
|
|
CanvasRenderer* renderer = aCanvasData->GetCanvasRenderer();
|
|
|
|
if (!mResetLayer && renderer) {
|
|
return true;
|
|
}
|
|
|
|
WEBGL_BRIDGE_LOGI("[%p] Creating WebGL WR CanvasLayer/Renderer", this);
|
|
renderer = aCanvasData->CreateCanvasRenderer();
|
|
if (!InitializeCanvasRenderer(aBuilder, renderer)) {
|
|
// Clear CanvasRenderer of WebRenderCanvasData
|
|
aCanvasData->ClearCanvasRenderer();
|
|
return false;
|
|
}
|
|
|
|
MOZ_ASSERT(renderer);
|
|
mResetLayer = false;
|
|
return true;
|
|
}
|
|
|
|
bool ClientWebGLContext::InitializeCanvasRenderer(
|
|
nsDisplayListBuilder* aBuilder, CanvasRenderer* aRenderer) {
|
|
const FuncScope funcScope(*this, "<InitializeCanvasRenderer>");
|
|
if (IsContextLost()) return false;
|
|
|
|
Maybe<ICRData> icrData =
|
|
Run<RPROC(InitializeCanvasRenderer)>(GetCompositorBackendType());
|
|
|
|
if (!icrData) {
|
|
return false;
|
|
}
|
|
|
|
mSurfaceInfo = *icrData;
|
|
|
|
CanvasInitializeData data;
|
|
if (aBuilder->IsPaintingToWindow() && mCanvasElement) {
|
|
// Make the layer tell us whenever a transaction finishes (including
|
|
// the current transaction), so we can clear our invalidation state and
|
|
// start invalidating again. We need to do this for the layer that is
|
|
// being painted to a window (there shouldn't be more than one at a time,
|
|
// and if there is, flushing the invalidation state more often than
|
|
// necessary is harmless).
|
|
|
|
// The layer will be destroyed when we tear down the presentation
|
|
// (at the latest), at which time this userData will be destroyed,
|
|
// releasing the reference to the element.
|
|
// The userData will receive DidTransactionCallbacks, which flush the
|
|
// the invalidation state to indicate that the canvas is up to date.
|
|
data.mPreTransCallback = WebGLContextUserData::PreTransactionCallback;
|
|
data.mPreTransCallbackData = this;
|
|
data.mDidTransCallback = WebGLContextUserData::DidTransactionCallback;
|
|
data.mDidTransCallbackData = this;
|
|
}
|
|
|
|
MOZ_ASSERT(mCanvasElement); // TODO: What to do here? Is this about
|
|
// OffscreenCanvas?
|
|
|
|
if (IsHostOOP()) {
|
|
data.mOOPRenderer = mCanvasElement->GetOOPCanvasRenderer();
|
|
MOZ_ASSERT(data.mOOPRenderer);
|
|
MOZ_ASSERT((!data.mOOPRenderer->mContext) ||
|
|
(data.mOOPRenderer->mContext == this));
|
|
data.mOOPRenderer->mContext = this;
|
|
} else {
|
|
MOZ_ASSERT(mNotLost->inProcess);
|
|
data.mGLContext = mNotLost->inProcess->GetWebGLContext()->gl;
|
|
}
|
|
|
|
data.mHasAlpha = mSurfaceInfo.hasAlpha;
|
|
data.mIsGLAlphaPremult = mSurfaceInfo.isPremultAlpha || !data.mHasAlpha;
|
|
data.mSize = mSurfaceInfo.size;
|
|
|
|
aRenderer->Initialize(data);
|
|
aRenderer->SetDirty();
|
|
return true;
|
|
}
|
|
|
|
layers::LayersBackend ClientWebGLContext::GetCompositorBackendType() const {
|
|
if (mCanvasElement) {
|
|
return mCanvasElement->GetCompositorBackendType();
|
|
} else if (mOffscreenCanvas) {
|
|
return mOffscreenCanvas->GetCompositorBackendType();
|
|
}
|
|
|
|
return LayersBackend::LAYERS_NONE;
|
|
}
|
|
|
|
mozilla::dom::Document* ClientWebGLContext::GetOwnerDoc() const {
|
|
MOZ_ASSERT(mCanvasElement);
|
|
if (!mCanvasElement) {
|
|
return nullptr;
|
|
}
|
|
return mCanvasElement->OwnerDoc();
|
|
}
|
|
|
|
void ClientWebGLContext::Commit() {
|
|
if (mOffscreenCanvas) {
|
|
mOffscreenCanvas->CommitFrameToCompositor();
|
|
}
|
|
}
|
|
|
|
void ClientWebGLContext::GetCanvas(
|
|
Nullable<dom::OwningHTMLCanvasElementOrOffscreenCanvas>& retval) {
|
|
if (mCanvasElement) {
|
|
MOZ_RELEASE_ASSERT(!mOffscreenCanvas, "GFX: Canvas is offscreen.");
|
|
|
|
if (mCanvasElement->IsInNativeAnonymousSubtree()) {
|
|
retval.SetNull();
|
|
} else {
|
|
retval.SetValue().SetAsHTMLCanvasElement() = mCanvasElement;
|
|
}
|
|
} else if (mOffscreenCanvas) {
|
|
retval.SetValue().SetAsOffscreenCanvas() = mOffscreenCanvas;
|
|
} else {
|
|
retval.SetNull();
|
|
}
|
|
}
|
|
|
|
void ClientWebGLContext::GetContextAttributes(
|
|
dom::Nullable<dom::WebGLContextAttributes>& retval) {
|
|
retval.SetNull();
|
|
const FuncScope funcScope(*this, "getContextAttributes");
|
|
if (IsContextLost()) return;
|
|
|
|
dom::WebGLContextAttributes& result = retval.SetValue();
|
|
|
|
const auto& options = mNotLost->info.options;
|
|
|
|
result.mAlpha.Construct(options.alpha);
|
|
result.mDepth = options.depth;
|
|
result.mStencil = options.stencil;
|
|
result.mAntialias.Construct(options.antialias);
|
|
result.mPremultipliedAlpha = options.premultipliedAlpha;
|
|
result.mPreserveDrawingBuffer = options.preserveDrawingBuffer;
|
|
result.mFailIfMajorPerformanceCaveat = options.failIfMajorPerformanceCaveat;
|
|
result.mPowerPreference = options.powerPreference;
|
|
}
|
|
|
|
// -----------------------
|
|
|
|
NS_IMETHODIMP
|
|
ClientWebGLContext::SetDimensions(const int32_t signedWidth,
|
|
const int32_t signedHeight) {
|
|
const FuncScope funcScope(*this, "<SetDimensions>");
|
|
WEBGL_BRIDGE_LOGI("[%p] SetDimensions: (%d, %d)", this, signedWidth,
|
|
signedHeight);
|
|
|
|
MOZ_ASSERT(mInitialOptions);
|
|
|
|
uvec2 size = {static_cast<uint32_t>(signedWidth),
|
|
static_cast<uint32_t>(signedHeight)};
|
|
if (!size.x) {
|
|
size.x = 1;
|
|
}
|
|
if (!size.y) {
|
|
size.y = 1;
|
|
}
|
|
|
|
if (mNotLost) {
|
|
auto& state = State();
|
|
state.mDrawingBufferSize = {};
|
|
|
|
Run<RPROC(Resize)>(size);
|
|
|
|
MarkCanvasDirty();
|
|
return NS_OK;
|
|
}
|
|
|
|
if (mLossStatus != webgl::LossStatus::Ready) {
|
|
MOZ_RELEASE_ASSERT(false);
|
|
return NS_ERROR_FAILURE;
|
|
}
|
|
|
|
// -
|
|
// Context (re-)creation
|
|
|
|
if (!CreateHostContext(size)) {
|
|
return NS_ERROR_FAILURE;
|
|
}
|
|
return NS_OK;
|
|
}
|
|
|
|
bool ClientWebGLContext::CreateHostContext(const uvec2& requestedSize) {
|
|
const auto pNotLost = std::make_shared<webgl::NotLostData>(*this);
|
|
auto& notLost = *pNotLost;
|
|
|
|
auto res = [&]() -> Result<Ok, std::string> {
|
|
auto options = *mInitialOptions;
|
|
if (StaticPrefs::webgl_disable_fail_if_major_performance_caveat()) {
|
|
options.failIfMajorPerformanceCaveat = false;
|
|
}
|
|
const bool resistFingerprinting = ShouldResistFingerprinting();
|
|
|
|
const auto& principal = GetCanvas()->NodePrincipal();
|
|
const auto principalKey = principal->GetHashValue();
|
|
const auto initDesc = webgl::InitContextDesc{
|
|
mIsWebGL2, resistFingerprinting, requestedSize, options, principalKey};
|
|
|
|
// -
|
|
|
|
if (!StaticPrefs::webgl_out_of_process()) {
|
|
auto ownerData = HostWebGLContext::OwnerData{
|
|
Some(this),
|
|
};
|
|
notLost.inProcess = HostWebGLContext::Create(std::move(ownerData),
|
|
initDesc, ¬Lost.info);
|
|
return Ok();
|
|
}
|
|
|
|
// -
|
|
|
|
webgl::RemotingData outOfProcess;
|
|
|
|
auto* const cbc = CompositorBridgeChild::Get();
|
|
MOZ_ASSERT(cbc);
|
|
if (!cbc) {
|
|
return Err("!CompositorBridgeChild::Get()");
|
|
}
|
|
|
|
// Construct the WebGL command queue, used to send commands from the client
|
|
// process to the host for execution. It takes a response queue that is
|
|
// used to return responses to synchronous messages.
|
|
// TODO: Be smarter in choosing these.
|
|
static constexpr size_t CommandQueueSize = 256 * 1024; // 256K
|
|
static constexpr size_t ResponseQueueSize = 8 * 1024; // 8K
|
|
auto commandPcq = ProducerConsumerQueue::Create(cbc, CommandQueueSize);
|
|
auto responsePcq = ProducerConsumerQueue::Create(cbc, ResponseQueueSize);
|
|
if (!commandPcq || !responsePcq) {
|
|
return Err("Failed to create command/response PCQ");
|
|
}
|
|
|
|
outOfProcess.mCommandSource = MakeUnique<ClientWebGLCommandSource>(
|
|
std::move(commandPcq->mProducer), std::move(responsePcq->mConsumer));
|
|
auto sink = MakeUnique<HostWebGLCommandSink>(
|
|
std::move(commandPcq->mConsumer), std::move(responsePcq->mProducer));
|
|
|
|
// Use the error/warning and command queues to construct a
|
|
// ClientWebGLContext in this process and a HostWebGLContext
|
|
// in the host process.
|
|
outOfProcess.mWebGLChild = new dom::WebGLChild(*this);
|
|
if (!cbc->SendPWebGLConstructor(outOfProcess.mWebGLChild.get(), initDesc,
|
|
¬Lost.info)) {
|
|
return Err("SendPWebGLConstructor failed");
|
|
}
|
|
|
|
notLost.outOfProcess = Some(std::move(outOfProcess));
|
|
return Ok();
|
|
}();
|
|
if (!res.isOk()) {
|
|
notLost.info.error = res.unwrapErr();
|
|
}
|
|
if (notLost.info.error.size()) {
|
|
ThrowEvent_WebGLContextCreationError(notLost.info.error);
|
|
return false;
|
|
}
|
|
mNotLost = pNotLost;
|
|
|
|
// Init state
|
|
const auto& limits = Limits();
|
|
auto& state = State();
|
|
state.mDefaultTfo = new WebGLTransformFeedbackJS(*this);
|
|
state.mDefaultVao = new WebGLVertexArrayJS(*this);
|
|
|
|
state.mBoundTfo = state.mDefaultTfo;
|
|
state.mBoundVao = state.mDefaultVao;
|
|
|
|
(void)state.mBoundBufferByTarget[LOCAL_GL_ARRAY_BUFFER];
|
|
|
|
state.mTexUnits.resize(limits.maxTexUnits);
|
|
state.mBoundUbos.resize(limits.maxUniformBufferBindings);
|
|
|
|
{
|
|
webgl::TypedQuad initVal;
|
|
const float fData[4] = {0, 0, 0, 1};
|
|
memcpy(initVal.data, fData, sizeof(initVal.data));
|
|
state.mGenericVertexAttribs.resize(limits.maxVertexAttribs, initVal);
|
|
}
|
|
|
|
const auto& size = DrawingBufferSize();
|
|
state.mViewport = {0, 0, static_cast<int32_t>(size.x),
|
|
static_cast<int32_t>(size.y)};
|
|
state.mScissor = state.mViewport;
|
|
|
|
if (mIsWebGL2) {
|
|
// Insert keys to enable slots:
|
|
(void)state.mBoundBufferByTarget[LOCAL_GL_COPY_READ_BUFFER];
|
|
(void)state.mBoundBufferByTarget[LOCAL_GL_COPY_WRITE_BUFFER];
|
|
(void)state.mBoundBufferByTarget[LOCAL_GL_PIXEL_PACK_BUFFER];
|
|
(void)state.mBoundBufferByTarget[LOCAL_GL_PIXEL_UNPACK_BUFFER];
|
|
(void)state.mBoundBufferByTarget[LOCAL_GL_TRANSFORM_FEEDBACK_BUFFER];
|
|
(void)state.mBoundBufferByTarget[LOCAL_GL_UNIFORM_BUFFER];
|
|
|
|
(void)state.mCurrentQueryByTarget[LOCAL_GL_ANY_SAMPLES_PASSED];
|
|
//(void)state.mCurrentQueryByTarget[LOCAL_GL_ANY_SAMPLES_PASSED_CONSERVATIVE];
|
|
//// Same slot as ANY_SAMPLES_PASSED.
|
|
(void)state
|
|
.mCurrentQueryByTarget[LOCAL_GL_TRANSFORM_FEEDBACK_PRIMITIVES_WRITTEN];
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
// -------
|
|
|
|
uvec2 ClientWebGLContext::DrawingBufferSize() {
|
|
if (IsContextLost()) return {};
|
|
auto& state = State();
|
|
auto& size = state.mDrawingBufferSize;
|
|
if (!size) {
|
|
size = Some(Run<RPROC(DrawingBufferSize)>());
|
|
}
|
|
|
|
return *size;
|
|
}
|
|
|
|
void ClientWebGLContext::OnMemoryPressure() {
|
|
WEBGL_BRIDGE_LOGI("[%p] OnMemoryPressure", this);
|
|
return Run<RPROC(OnMemoryPressure)>();
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
ClientWebGLContext::SetContextOptions(JSContext* cx,
|
|
JS::Handle<JS::Value> options,
|
|
ErrorResult& aRvForDictionaryInit) {
|
|
if (mInitialOptions && options.isNullOrUndefined()) return NS_OK;
|
|
|
|
WebGLContextAttributes attributes;
|
|
if (!attributes.Init(cx, options)) {
|
|
aRvForDictionaryInit.Throw(NS_ERROR_UNEXPECTED);
|
|
return NS_ERROR_UNEXPECTED;
|
|
}
|
|
|
|
WebGLContextOptions newOpts;
|
|
|
|
newOpts.stencil = attributes.mStencil;
|
|
newOpts.depth = attributes.mDepth;
|
|
newOpts.premultipliedAlpha = attributes.mPremultipliedAlpha;
|
|
newOpts.preserveDrawingBuffer = attributes.mPreserveDrawingBuffer;
|
|
newOpts.failIfMajorPerformanceCaveat =
|
|
attributes.mFailIfMajorPerformanceCaveat;
|
|
newOpts.powerPreference = attributes.mPowerPreference;
|
|
newOpts.enableDebugRendererInfo =
|
|
Preferences::GetBool("webgl.enable-debug-renderer-info", false);
|
|
MOZ_ASSERT(mCanvasElement || mOffscreenCanvas);
|
|
newOpts.shouldResistFingerprinting =
|
|
mCanvasElement ?
|
|
// If we're constructed from a canvas element
|
|
nsContentUtils::ShouldResistFingerprinting(GetOwnerDoc())
|
|
:
|
|
// If we're constructed from an offscreen canvas
|
|
nsContentUtils::ShouldResistFingerprinting(
|
|
mOffscreenCanvas->GetOwnerGlobal()->PrincipalOrNull());
|
|
|
|
if (attributes.mAlpha.WasPassed()) {
|
|
newOpts.alpha = attributes.mAlpha.Value();
|
|
}
|
|
if (attributes.mAntialias.WasPassed()) {
|
|
newOpts.antialias = attributes.mAntialias.Value();
|
|
}
|
|
|
|
// Don't do antialiasing if we've disabled MSAA.
|
|
if (!StaticPrefs::webgl_msaa_samples()) {
|
|
newOpts.antialias = false;
|
|
}
|
|
|
|
if (mInitialOptions && *mInitialOptions != newOpts) {
|
|
// Err if the options asked for aren't the same as what they were
|
|
// originally.
|
|
return NS_ERROR_FAILURE;
|
|
}
|
|
|
|
mInitialOptions.emplace(newOpts);
|
|
return NS_OK;
|
|
}
|
|
|
|
void ClientWebGLContext::DidRefresh() { Run<RPROC(DidRefresh)>(); }
|
|
|
|
already_AddRefed<gfx::SourceSurface> ClientWebGLContext::GetSurfaceSnapshot(
|
|
gfxAlphaType* out_alphaType) {
|
|
auto ret = Run<RPROC(GetSurfaceSnapshot)>(out_alphaType);
|
|
return ret.forget();
|
|
}
|
|
|
|
UniquePtr<uint8_t[]> ClientWebGLContext::GetImageBuffer(int32_t* out_format) {
|
|
*out_format = 0;
|
|
|
|
// Use GetSurfaceSnapshot() to make sure that appropriate y-flip gets applied
|
|
gfxAlphaType any;
|
|
RefPtr<SourceSurface> snapshot = GetSurfaceSnapshot(&any);
|
|
if (!snapshot) return nullptr;
|
|
|
|
RefPtr<DataSourceSurface> dataSurface = snapshot->GetDataSurface();
|
|
|
|
const auto& premultAlpha = mNotLost->info.options.premultipliedAlpha;
|
|
return gfxUtils::GetImageBuffer(dataSurface, premultAlpha, out_format);
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
ClientWebGLContext::GetInputStream(const char* mimeType,
|
|
const nsAString& encoderOptions,
|
|
nsIInputStream** out_stream) {
|
|
// Use GetSurfaceSnapshot() to make sure that appropriate y-flip gets applied
|
|
gfxAlphaType any;
|
|
RefPtr<SourceSurface> snapshot = GetSurfaceSnapshot(&any);
|
|
if (!snapshot) return NS_ERROR_FAILURE;
|
|
|
|
RefPtr<DataSourceSurface> dataSurface = snapshot->GetDataSurface();
|
|
const auto& premultAlpha = mNotLost->info.options.premultipliedAlpha;
|
|
return gfxUtils::GetInputStream(dataSurface, premultAlpha, mimeType,
|
|
encoderOptions, out_stream);
|
|
}
|
|
|
|
// ------------------------- Client WebGL Objects -------------------------
|
|
// ------------------------- Create/Destroy/Is -------------------------
|
|
|
|
template <typename T>
|
|
static already_AddRefed<T> AsAddRefed(T* ptr) {
|
|
RefPtr<T> rp = ptr;
|
|
return rp.forget();
|
|
}
|
|
|
|
template <typename T>
|
|
static RefPtr<T> AsRefPtr(T* ptr) {
|
|
return {ptr};
|
|
}
|
|
|
|
already_AddRefed<WebGLBufferJS> ClientWebGLContext::CreateBuffer() const {
|
|
const FuncScope funcScope(*this, "createBuffer");
|
|
if (IsContextLost()) return nullptr;
|
|
|
|
auto ret = AsRefPtr(new WebGLBufferJS(*this));
|
|
Run<RPROC(CreateBuffer)>(ret->mId);
|
|
return ret.forget();
|
|
}
|
|
|
|
already_AddRefed<WebGLFramebufferJS> ClientWebGLContext::CreateFramebuffer()
|
|
const {
|
|
const FuncScope funcScope(*this, "createFramebuffer");
|
|
if (IsContextLost()) return nullptr;
|
|
|
|
auto ret = AsRefPtr(new WebGLFramebufferJS(*this));
|
|
Run<RPROC(CreateFramebuffer)>(ret->mId);
|
|
return ret.forget();
|
|
}
|
|
|
|
already_AddRefed<WebGLProgramJS> ClientWebGLContext::CreateProgram() const {
|
|
const FuncScope funcScope(*this, "createProgram");
|
|
if (IsContextLost()) return nullptr;
|
|
|
|
auto ret = AsRefPtr(new WebGLProgramJS(*this));
|
|
Run<RPROC(CreateProgram)>(ret->mId);
|
|
return ret.forget();
|
|
}
|
|
|
|
already_AddRefed<WebGLQueryJS> ClientWebGLContext::CreateQuery() const {
|
|
const FuncScope funcScope(*this, "createQuery");
|
|
if (IsContextLost()) return nullptr;
|
|
|
|
auto ret = AsRefPtr(new WebGLQueryJS(*this));
|
|
Run<RPROC(CreateQuery)>(ret->mId);
|
|
return ret.forget();
|
|
}
|
|
|
|
already_AddRefed<WebGLRenderbufferJS> ClientWebGLContext::CreateRenderbuffer()
|
|
const {
|
|
const FuncScope funcScope(*this, "createRenderbuffer");
|
|
if (IsContextLost()) return nullptr;
|
|
|
|
auto ret = AsRefPtr(new WebGLRenderbufferJS(*this));
|
|
Run<RPROC(CreateRenderbuffer)>(ret->mId);
|
|
return ret.forget();
|
|
}
|
|
|
|
already_AddRefed<WebGLSamplerJS> ClientWebGLContext::CreateSampler() const {
|
|
const FuncScope funcScope(*this, "createSampler");
|
|
if (IsContextLost()) return nullptr;
|
|
|
|
auto ret = AsRefPtr(new WebGLSamplerJS(*this));
|
|
Run<RPROC(CreateSampler)>(ret->mId);
|
|
return ret.forget();
|
|
}
|
|
|
|
already_AddRefed<WebGLShaderJS> ClientWebGLContext::CreateShader(
|
|
const GLenum type) const {
|
|
const FuncScope funcScope(*this, "createShader");
|
|
if (IsContextLost()) return nullptr;
|
|
|
|
switch (type) {
|
|
case LOCAL_GL_VERTEX_SHADER:
|
|
case LOCAL_GL_FRAGMENT_SHADER:
|
|
break;
|
|
default:
|
|
EnqueueError_ArgEnum("type", type);
|
|
return nullptr;
|
|
}
|
|
|
|
auto ret = AsRefPtr(new WebGLShaderJS(*this, type));
|
|
Run<RPROC(CreateShader)>(ret->mId, ret->mType);
|
|
return ret.forget();
|
|
}
|
|
|
|
already_AddRefed<WebGLSyncJS> ClientWebGLContext::FenceSync(
|
|
const GLenum condition, const GLbitfield flags) const {
|
|
const FuncScope funcScope(*this, "fenceSync");
|
|
if (IsContextLost()) return nullptr;
|
|
|
|
if (condition != LOCAL_GL_SYNC_GPU_COMMANDS_COMPLETE) {
|
|
EnqueueError_ArgEnum("condition", condition);
|
|
return nullptr;
|
|
}
|
|
|
|
if (flags) {
|
|
EnqueueError(LOCAL_GL_INVALID_VALUE, "`flags` must be 0.");
|
|
return nullptr;
|
|
}
|
|
|
|
auto ret = AsRefPtr(new WebGLSyncJS(*this));
|
|
Run<RPROC(CreateSync)>(ret->mId);
|
|
return ret.forget();
|
|
}
|
|
|
|
already_AddRefed<WebGLTextureJS> ClientWebGLContext::CreateTexture() const {
|
|
const FuncScope funcScope(*this, "createTexture");
|
|
if (IsContextLost()) return nullptr;
|
|
|
|
auto ret = AsRefPtr(new WebGLTextureJS(*this));
|
|
Run<RPROC(CreateTexture)>(ret->mId);
|
|
return ret.forget();
|
|
}
|
|
|
|
already_AddRefed<WebGLTransformFeedbackJS>
|
|
ClientWebGLContext::CreateTransformFeedback() const {
|
|
const FuncScope funcScope(*this, "createTransformFeedback");
|
|
if (IsContextLost()) return nullptr;
|
|
|
|
auto ret = AsRefPtr(new WebGLTransformFeedbackJS(*this));
|
|
Run<RPROC(CreateTransformFeedback)>(ret->mId);
|
|
return ret.forget();
|
|
}
|
|
|
|
already_AddRefed<WebGLVertexArrayJS> ClientWebGLContext::CreateVertexArray()
|
|
const {
|
|
const FuncScope funcScope(*this, "createVertexArray");
|
|
if (IsContextLost()) return nullptr;
|
|
|
|
auto ret = AsRefPtr(new WebGLVertexArrayJS(*this));
|
|
Run<RPROC(CreateVertexArray)>(ret->mId);
|
|
return ret.forget();
|
|
}
|
|
|
|
// -
|
|
|
|
static bool ValidateOrSkipForDelete(const ClientWebGLContext& context,
|
|
const webgl::ObjectJS* const obj) {
|
|
if (!obj) return false;
|
|
if (!obj->ValidateForContext(context, "obj")) return false;
|
|
if (obj->IsDeleted()) return false;
|
|
return true;
|
|
}
|
|
|
|
void ClientWebGLContext::DeleteBuffer(WebGLBufferJS* const obj) {
|
|
const FuncScope funcScope(*this, "deleteBuffer");
|
|
if (IsContextLost()) return;
|
|
if (!ValidateOrSkipForDelete(*this, obj)) return;
|
|
auto& state = State();
|
|
|
|
// Unbind from all bind points and bound containers
|
|
|
|
// UBOs
|
|
for (const auto i : IntegerRange(state.mBoundUbos.size())) {
|
|
if (state.mBoundUbos[i] == obj) {
|
|
BindBufferBase(LOCAL_GL_UNIFORM_BUFFER, i, nullptr);
|
|
}
|
|
}
|
|
|
|
// TFO only if not active
|
|
if (!state.mBoundTfo->mActiveOrPaused) {
|
|
const auto& buffers = state.mBoundTfo->mAttribBuffers;
|
|
for (const auto i : IntegerRange(buffers.size())) {
|
|
if (buffers[i] == obj) {
|
|
BindBufferBase(LOCAL_GL_TRANSFORM_FEEDBACK_BUFFER, i, nullptr);
|
|
}
|
|
}
|
|
}
|
|
|
|
// Generic/global bind points
|
|
for (const auto& pair : state.mBoundBufferByTarget) {
|
|
if (pair.second == obj) {
|
|
BindBuffer(pair.first, nullptr);
|
|
}
|
|
}
|
|
|
|
// VAO attachments
|
|
if (state.mBoundVao->mIndexBuffer == obj) {
|
|
BindBuffer(LOCAL_GL_ELEMENT_ARRAY_BUFFER, nullptr);
|
|
}
|
|
|
|
const auto& vaoBuffers = state.mBoundVao->mAttribBuffers;
|
|
Maybe<WebGLBufferJS*> toRestore;
|
|
for (const auto i : IntegerRange(vaoBuffers.size())) {
|
|
if (vaoBuffers[i] == obj) {
|
|
if (!toRestore) {
|
|
toRestore =
|
|
Some(state.mBoundBufferByTarget[LOCAL_GL_ARRAY_BUFFER].get());
|
|
if (*toRestore) {
|
|
BindBuffer(LOCAL_GL_ARRAY_BUFFER, nullptr);
|
|
}
|
|
}
|
|
VertexAttribPointer(i, 4, LOCAL_GL_FLOAT, false, 0, 0);
|
|
}
|
|
}
|
|
if (toRestore && *toRestore) {
|
|
BindBuffer(LOCAL_GL_ARRAY_BUFFER, *toRestore);
|
|
}
|
|
|
|
// -
|
|
|
|
obj->mDeleteRequested = true;
|
|
Run<RPROC(DeleteBuffer)>(obj->mId);
|
|
}
|
|
|
|
void ClientWebGLContext::DeleteFramebuffer(WebGLFramebufferJS* const obj) {
|
|
const FuncScope funcScope(*this, "deleteFramebuffer");
|
|
if (IsContextLost()) return;
|
|
if (!ValidateOrSkipForDelete(*this, obj)) return;
|
|
const auto& state = State();
|
|
|
|
// Unbind
|
|
const auto fnDetach = [&](const GLenum target,
|
|
const WebGLFramebufferJS* const fb) {
|
|
if (obj == fb) {
|
|
BindFramebuffer(target, nullptr);
|
|
}
|
|
};
|
|
if (state.mBoundDrawFb == state.mBoundReadFb) {
|
|
fnDetach(LOCAL_GL_FRAMEBUFFER, state.mBoundDrawFb.get());
|
|
} else {
|
|
fnDetach(LOCAL_GL_DRAW_FRAMEBUFFER, state.mBoundDrawFb.get());
|
|
fnDetach(LOCAL_GL_READ_FRAMEBUFFER, state.mBoundReadFb.get());
|
|
}
|
|
|
|
obj->mDeleteRequested = true;
|
|
Run<RPROC(DeleteFramebuffer)>(obj->mId);
|
|
}
|
|
|
|
void ClientWebGLContext::DeleteProgram(WebGLProgramJS* const obj) const {
|
|
const FuncScope funcScope(*this, "deleteProgram");
|
|
if (IsContextLost()) return;
|
|
if (!ValidateOrSkipForDelete(*this, obj)) return;
|
|
|
|
// Don't unbind
|
|
|
|
obj->mKeepAlive = nullptr;
|
|
}
|
|
|
|
webgl::ProgramKeepAlive::~ProgramKeepAlive() {
|
|
if (!mParent) return;
|
|
const auto& context = mParent->Context();
|
|
if (!context) return;
|
|
context->DoDeleteProgram(*mParent);
|
|
}
|
|
|
|
void ClientWebGLContext::DoDeleteProgram(WebGLProgramJS& obj) const {
|
|
obj.mNextLink_Shaders = {};
|
|
Run<RPROC(DeleteProgram)>(obj.mId);
|
|
}
|
|
|
|
static GLenum QuerySlotTarget(const GLenum specificTarget);
|
|
|
|
void ClientWebGLContext::DeleteQuery(WebGLQueryJS* const obj) {
|
|
const FuncScope funcScope(*this, "deleteQuery");
|
|
if (IsContextLost()) return;
|
|
if (!ValidateOrSkipForDelete(*this, obj)) return;
|
|
|
|
// Unbind if current
|
|
|
|
obj->mDeleteRequested = true;
|
|
Run<RPROC(DeleteQuery)>(obj->mId);
|
|
|
|
if (!obj->mTarget) return;
|
|
const auto& state = State();
|
|
const auto slotTarget = QuerySlotTarget(obj->mTarget);
|
|
const auto& curForTarget =
|
|
*MaybeFind(state.mCurrentQueryByTarget, slotTarget);
|
|
|
|
if (curForTarget == obj) {
|
|
EndQuery(obj->mTarget);
|
|
} else {
|
|
// Not currently active, so fully-delete immediately.
|
|
obj->mIsFullyDeleted = true;
|
|
}
|
|
}
|
|
|
|
void ClientWebGLContext::DeleteRenderbuffer(WebGLRenderbufferJS* const obj) {
|
|
const FuncScope funcScope(*this, "deleteRenderbuffer");
|
|
if (IsContextLost()) return;
|
|
if (!ValidateOrSkipForDelete(*this, obj)) return;
|
|
const auto& state = State();
|
|
|
|
// Unbind
|
|
if (state.mBoundRb == obj) {
|
|
BindRenderbuffer(LOCAL_GL_RENDERBUFFER, nullptr);
|
|
}
|
|
|
|
// Unbind from bound FBs
|
|
const auto fnDetach = [&](const GLenum target,
|
|
const WebGLFramebufferJS* const fb) {
|
|
if (!fb) return;
|
|
for (const auto& pair : fb->mAttachments) {
|
|
if (pair.second.rb == obj) {
|
|
FramebufferRenderbuffer(target, pair.first, LOCAL_GL_RENDERBUFFER,
|
|
nullptr);
|
|
}
|
|
}
|
|
};
|
|
if (state.mBoundDrawFb == state.mBoundReadFb) {
|
|
fnDetach(LOCAL_GL_FRAMEBUFFER, state.mBoundDrawFb.get());
|
|
} else {
|
|
fnDetach(LOCAL_GL_DRAW_FRAMEBUFFER, state.mBoundDrawFb.get());
|
|
fnDetach(LOCAL_GL_READ_FRAMEBUFFER, state.mBoundReadFb.get());
|
|
}
|
|
|
|
obj->mDeleteRequested = true;
|
|
Run<RPROC(DeleteRenderbuffer)>(obj->mId);
|
|
}
|
|
|
|
void ClientWebGLContext::DeleteSampler(WebGLSamplerJS* const obj) {
|
|
const FuncScope funcScope(*this, "deleteSampler");
|
|
if (IsContextLost()) return;
|
|
if (!ValidateOrSkipForDelete(*this, obj)) return;
|
|
const auto& state = State();
|
|
|
|
// Unbind
|
|
for (const auto i : IntegerRange(state.mTexUnits.size())) {
|
|
if (state.mTexUnits[i].sampler == obj) {
|
|
BindSampler(i, nullptr);
|
|
}
|
|
}
|
|
|
|
obj->mDeleteRequested = true;
|
|
Run<RPROC(DeleteSampler)>(obj->mId);
|
|
}
|
|
|
|
void ClientWebGLContext::DeleteShader(WebGLShaderJS* const obj) const {
|
|
const FuncScope funcScope(*this, "deleteShader");
|
|
if (IsContextLost()) return;
|
|
if (!ValidateOrSkipForDelete(*this, obj)) return;
|
|
|
|
// Don't unbind
|
|
|
|
obj->mKeepAlive = nullptr;
|
|
}
|
|
|
|
webgl::ShaderKeepAlive::~ShaderKeepAlive() {
|
|
if (!mParent) return;
|
|
const auto& context = mParent->Context();
|
|
if (!context) return;
|
|
context->DoDeleteShader(*mParent);
|
|
}
|
|
|
|
void ClientWebGLContext::DoDeleteShader(const WebGLShaderJS& obj) const {
|
|
Run<RPROC(DeleteShader)>(obj.mId);
|
|
}
|
|
|
|
void ClientWebGLContext::DeleteSync(WebGLSyncJS* const obj) const {
|
|
const FuncScope funcScope(*this, "deleteSync");
|
|
if (IsContextLost()) return;
|
|
if (!ValidateOrSkipForDelete(*this, obj)) return;
|
|
|
|
// Nothing to unbind
|
|
|
|
obj->mDeleteRequested = true;
|
|
Run<RPROC(DeleteSync)>(obj->mId);
|
|
}
|
|
|
|
void ClientWebGLContext::DeleteTexture(WebGLTextureJS* const obj) {
|
|
const FuncScope funcScope(*this, "deleteTexture");
|
|
if (IsContextLost()) return;
|
|
if (!ValidateOrSkipForDelete(*this, obj)) return;
|
|
auto& state = State();
|
|
|
|
// Unbind
|
|
const auto& target = obj->mTarget;
|
|
if (target) {
|
|
// Unbind from tex units
|
|
Maybe<uint32_t> restoreTexUnit;
|
|
for (const auto i : IntegerRange(state.mTexUnits.size())) {
|
|
if (state.mTexUnits[i].texByTarget[target] == obj) {
|
|
if (!restoreTexUnit) {
|
|
restoreTexUnit = Some(state.mActiveTexUnit);
|
|
}
|
|
ActiveTexture(LOCAL_GL_TEXTURE0 + i);
|
|
BindTexture(target, nullptr);
|
|
}
|
|
}
|
|
if (restoreTexUnit) {
|
|
ActiveTexture(LOCAL_GL_TEXTURE0 + *restoreTexUnit);
|
|
}
|
|
|
|
// Unbind from bound FBs
|
|
const auto fnDetach = [&](const GLenum target,
|
|
const WebGLFramebufferJS* const fb) {
|
|
if (!fb) return;
|
|
for (const auto& pair : fb->mAttachments) {
|
|
if (pair.second.tex == obj) {
|
|
FramebufferRenderbuffer(target, pair.first, LOCAL_GL_RENDERBUFFER,
|
|
nullptr);
|
|
}
|
|
}
|
|
};
|
|
if (state.mBoundDrawFb == state.mBoundReadFb) {
|
|
fnDetach(LOCAL_GL_FRAMEBUFFER, state.mBoundDrawFb.get());
|
|
} else {
|
|
fnDetach(LOCAL_GL_DRAW_FRAMEBUFFER, state.mBoundDrawFb.get());
|
|
fnDetach(LOCAL_GL_READ_FRAMEBUFFER, state.mBoundReadFb.get());
|
|
}
|
|
}
|
|
|
|
obj->mDeleteRequested = true;
|
|
Run<RPROC(DeleteTexture)>(obj->mId);
|
|
}
|
|
|
|
void ClientWebGLContext::DeleteTransformFeedback(
|
|
WebGLTransformFeedbackJS* const obj) {
|
|
const FuncScope funcScope(*this, "deleteTransformFeedback");
|
|
if (IsContextLost()) return;
|
|
if (!ValidateOrSkipForDelete(*this, obj)) return;
|
|
const auto& state = State();
|
|
|
|
if (obj->mActiveOrPaused) {
|
|
EnqueueError(LOCAL_GL_INVALID_OPERATION,
|
|
"Transform Feedback object still active or paused.");
|
|
return;
|
|
}
|
|
|
|
// Unbind
|
|
if (state.mBoundTfo == obj) {
|
|
BindTransformFeedback(LOCAL_GL_TRANSFORM_FEEDBACK, nullptr);
|
|
}
|
|
|
|
obj->mDeleteRequested = true;
|
|
Run<RPROC(DeleteTransformFeedback)>(obj->mId);
|
|
}
|
|
|
|
void ClientWebGLContext::DeleteVertexArray(WebGLVertexArrayJS* const obj) {
|
|
const FuncScope funcScope(*this, "deleteVertexArray");
|
|
if (IsContextLost()) return;
|
|
if (!ValidateOrSkipForDelete(*this, obj)) return;
|
|
const auto& state = State();
|
|
|
|
// Unbind
|
|
if (state.mBoundVao == obj) {
|
|
BindVertexArray(nullptr);
|
|
}
|
|
|
|
obj->mDeleteRequested = true;
|
|
Run<RPROC(DeleteVertexArray)>(obj->mId);
|
|
}
|
|
|
|
// -
|
|
|
|
bool ClientWebGLContext::IsBuffer(const WebGLBufferJS* const obj) const {
|
|
const FuncScope funcScope(*this, "isBuffer");
|
|
if (IsContextLost()) return false;
|
|
|
|
return obj && obj->IsUsable(*this) &&
|
|
obj->mKind != webgl::BufferKind::Undefined;
|
|
}
|
|
|
|
bool ClientWebGLContext::IsFramebuffer(
|
|
const WebGLFramebufferJS* const obj) const {
|
|
const FuncScope funcScope(*this, "isFramebuffer");
|
|
if (IsContextLost()) return false;
|
|
|
|
return obj && obj->IsUsable(*this) && obj->mHasBeenBound;
|
|
}
|
|
|
|
bool ClientWebGLContext::IsProgram(const WebGLProgramJS* const obj) const {
|
|
const FuncScope funcScope(*this, "isProgram");
|
|
if (IsContextLost()) return false;
|
|
|
|
return obj && obj->IsUsable(*this);
|
|
}
|
|
|
|
bool ClientWebGLContext::IsQuery(const WebGLQueryJS* const obj) const {
|
|
const FuncScope funcScope(*this, "isQuery");
|
|
if (IsContextLost()) return false;
|
|
|
|
return obj && obj->IsUsable(*this) && obj->mTarget;
|
|
}
|
|
|
|
bool ClientWebGLContext::IsRenderbuffer(
|
|
const WebGLRenderbufferJS* const obj) const {
|
|
const FuncScope funcScope(*this, "isRenderbuffer");
|
|
if (IsContextLost()) return false;
|
|
|
|
return obj && obj->IsUsable(*this) && obj->mHasBeenBound;
|
|
}
|
|
|
|
bool ClientWebGLContext::IsSampler(const WebGLSamplerJS* const obj) const {
|
|
const FuncScope funcScope(*this, "isSampler");
|
|
if (IsContextLost()) return false;
|
|
|
|
return obj && obj->IsUsable(*this);
|
|
}
|
|
|
|
bool ClientWebGLContext::IsShader(const WebGLShaderJS* const obj) const {
|
|
const FuncScope funcScope(*this, "isShader");
|
|
if (IsContextLost()) return false;
|
|
|
|
return obj && obj->IsUsable(*this);
|
|
}
|
|
|
|
bool ClientWebGLContext::IsSync(const WebGLSyncJS* const obj) const {
|
|
const FuncScope funcScope(*this, "isSync");
|
|
if (IsContextLost()) return false;
|
|
|
|
return obj && obj->IsUsable(*this);
|
|
}
|
|
|
|
bool ClientWebGLContext::IsTexture(const WebGLTextureJS* const obj) const {
|
|
const FuncScope funcScope(*this, "isTexture");
|
|
if (IsContextLost()) return false;
|
|
|
|
return obj && obj->IsUsable(*this) && obj->mTarget;
|
|
}
|
|
|
|
bool ClientWebGLContext::IsTransformFeedback(
|
|
const WebGLTransformFeedbackJS* const obj) const {
|
|
const FuncScope funcScope(*this, "isTransformFeedback");
|
|
if (IsContextLost()) return false;
|
|
|
|
return obj && obj->IsUsable(*this) && obj->mHasBeenBound;
|
|
}
|
|
|
|
bool ClientWebGLContext::IsVertexArray(
|
|
const WebGLVertexArrayJS* const obj) const {
|
|
const FuncScope funcScope(*this, "isVertexArray");
|
|
if (IsContextLost()) return false;
|
|
|
|
return obj && obj->IsUsable(*this) && obj->mHasBeenBound;
|
|
}
|
|
|
|
// ------------------------- GL State -------------------------
|
|
|
|
void ClientWebGLContext::Disable(GLenum cap) const { Run<RPROC(Disable)>(cap); }
|
|
|
|
void ClientWebGLContext::Enable(GLenum cap) const { Run<RPROC(Enable)>(cap); }
|
|
|
|
bool ClientWebGLContext::IsEnabled(GLenum cap) const {
|
|
return Run<RPROC(IsEnabled)>(cap);
|
|
}
|
|
|
|
void ClientWebGLContext::GetInternalformatParameter(
|
|
JSContext* cx, GLenum target, GLenum internalformat, GLenum pname,
|
|
JS::MutableHandle<JS::Value> retval, ErrorResult& rv) {
|
|
retval.set(JS::NullValue());
|
|
auto maybe =
|
|
Run<RPROC(GetInternalformatParameter)>(target, internalformat, pname);
|
|
if (!maybe) {
|
|
return;
|
|
}
|
|
// zero-length array indicates out-of-memory
|
|
JSObject* obj =
|
|
dom::Int32Array::Create(cx, this, maybe->size(), maybe->data());
|
|
if (!obj) {
|
|
rv = NS_ERROR_OUT_OF_MEMORY;
|
|
}
|
|
retval.setObjectOrNull(obj);
|
|
}
|
|
|
|
static JS::Value StringValue(JSContext* cx, const std::string& str,
|
|
ErrorResult& er) {
|
|
JSString* jsStr = JS_NewStringCopyN(cx, str.data(), str.size());
|
|
if (!jsStr) {
|
|
er.Throw(NS_ERROR_OUT_OF_MEMORY);
|
|
return JS::NullValue();
|
|
}
|
|
|
|
return JS::StringValue(jsStr);
|
|
}
|
|
|
|
template <typename T>
|
|
bool ToJSValueOrNull(JSContext* const cx, const RefPtr<T>& ptr,
|
|
JS::MutableHandle<JS::Value> retval) {
|
|
if (!ptr) {
|
|
retval.set(JS::NullValue());
|
|
return true;
|
|
}
|
|
return ToJSValue(cx, ptr, retval);
|
|
}
|
|
|
|
template <typename T, typename U, typename S>
|
|
static JS::Value CreateAs(JSContext* cx, nsWrapperCache* creator, const S& src,
|
|
ErrorResult& rv) {
|
|
const auto obj =
|
|
T::Create(cx, creator, src.size(), reinterpret_cast<U>(src.data()));
|
|
if (!obj) {
|
|
rv = NS_ERROR_OUT_OF_MEMORY;
|
|
}
|
|
return JS::ObjectOrNullValue(obj);
|
|
}
|
|
|
|
template <typename T, typename S>
|
|
static JS::Value Create(JSContext* cx, nsWrapperCache* creator, const S& src,
|
|
ErrorResult& rv) {
|
|
return CreateAs<T, decltype(&src[0]), S>(cx, creator, src, rv);
|
|
}
|
|
|
|
void ClientWebGLContext::GetParameter(JSContext* cx, GLenum pname,
|
|
JS::MutableHandle<JS::Value> retval,
|
|
ErrorResult& rv, const bool debug) {
|
|
retval.set(JS::NullValue());
|
|
const FuncScope funcScope(*this, "getParameter");
|
|
if (IsContextLost()) return;
|
|
const auto& limits = Limits();
|
|
const auto& state = State();
|
|
|
|
// -
|
|
|
|
const auto fnSetRetval_Buffer = [&](const GLenum target) {
|
|
const auto buffer = *MaybeFind(state.mBoundBufferByTarget, target);
|
|
(void)ToJSValueOrNull(cx, buffer, retval);
|
|
};
|
|
const auto fnSetRetval_Tex = [&](const GLenum texTarget) {
|
|
const auto& texUnit = state.mTexUnits[state.mActiveTexUnit];
|
|
const auto tex = Find(texUnit.texByTarget, texTarget, nullptr);
|
|
(void)ToJSValueOrNull(cx, tex, retval);
|
|
};
|
|
|
|
switch (pname) {
|
|
case LOCAL_GL_ARRAY_BUFFER_BINDING:
|
|
fnSetRetval_Buffer(LOCAL_GL_ARRAY_BUFFER);
|
|
return;
|
|
|
|
case LOCAL_GL_CURRENT_PROGRAM:
|
|
(void)ToJSValueOrNull(cx, state.mCurrentProgram, retval);
|
|
return;
|
|
|
|
case LOCAL_GL_ELEMENT_ARRAY_BUFFER_BINDING:
|
|
(void)ToJSValueOrNull(cx, state.mBoundVao->mIndexBuffer, retval);
|
|
return;
|
|
|
|
case LOCAL_GL_FRAMEBUFFER_BINDING:
|
|
(void)ToJSValueOrNull(cx, state.mBoundDrawFb, retval);
|
|
return;
|
|
|
|
case LOCAL_GL_RENDERBUFFER_BINDING:
|
|
(void)ToJSValueOrNull(cx, state.mBoundRb, retval);
|
|
return;
|
|
|
|
case LOCAL_GL_TEXTURE_BINDING_2D:
|
|
fnSetRetval_Tex(LOCAL_GL_TEXTURE_2D);
|
|
return;
|
|
|
|
case LOCAL_GL_TEXTURE_BINDING_CUBE_MAP:
|
|
fnSetRetval_Tex(LOCAL_GL_TEXTURE_CUBE_MAP);
|
|
return;
|
|
|
|
case LOCAL_GL_VERTEX_ARRAY_BINDING: {
|
|
if (!mIsWebGL2 &&
|
|
!IsExtensionEnabled(WebGLExtensionID::OES_vertex_array_object))
|
|
break;
|
|
|
|
auto ret = state.mBoundVao;
|
|
if (ret == state.mDefaultVao) {
|
|
ret = nullptr;
|
|
}
|
|
(void)ToJSValueOrNull(cx, ret, retval);
|
|
return;
|
|
}
|
|
|
|
case LOCAL_GL_MAX_COMBINED_TEXTURE_IMAGE_UNITS:
|
|
retval.set(JS::NumberValue(limits.maxTexUnits));
|
|
return;
|
|
case LOCAL_GL_MAX_TEXTURE_SIZE:
|
|
retval.set(JS::NumberValue(limits.maxTex2dSize));
|
|
return;
|
|
case LOCAL_GL_MAX_CUBE_MAP_TEXTURE_SIZE:
|
|
retval.set(JS::NumberValue(limits.maxTexCubeSize));
|
|
return;
|
|
case LOCAL_GL_MAX_VERTEX_ATTRIBS:
|
|
retval.set(JS::NumberValue(limits.maxVertexAttribs));
|
|
return;
|
|
|
|
case LOCAL_GL_MAX_VIEWS_OVR:
|
|
if (IsExtensionEnabled(WebGLExtensionID::OVR_multiview2)) {
|
|
retval.set(JS::NumberValue(limits.maxMultiviewLayers));
|
|
return;
|
|
}
|
|
break;
|
|
|
|
// -
|
|
// Array returns
|
|
|
|
// 2 floats
|
|
case LOCAL_GL_DEPTH_RANGE:
|
|
retval.set(Create<dom::Float32Array>(cx, this, state.mDepthRange, rv));
|
|
return;
|
|
|
|
case LOCAL_GL_ALIASED_POINT_SIZE_RANGE:
|
|
retval.set(
|
|
Create<dom::Float32Array>(cx, this, limits.pointSizeRange, rv));
|
|
return;
|
|
|
|
case LOCAL_GL_ALIASED_LINE_WIDTH_RANGE:
|
|
retval.set(
|
|
Create<dom::Float32Array>(cx, this, limits.lineWidthRange, rv));
|
|
return;
|
|
|
|
// 4 floats
|
|
case LOCAL_GL_COLOR_CLEAR_VALUE:
|
|
retval.set(Create<dom::Float32Array>(cx, this, state.mClearColor, rv));
|
|
return;
|
|
|
|
case LOCAL_GL_BLEND_COLOR:
|
|
retval.set(Create<dom::Float32Array>(cx, this, state.mBlendColor, rv));
|
|
return;
|
|
|
|
// 2 ints
|
|
case LOCAL_GL_MAX_VIEWPORT_DIMS:
|
|
retval.set(CreateAs<dom::Int32Array, const int32_t*>(
|
|
cx, this, limits.maxViewportDims, rv));
|
|
return;
|
|
|
|
// 4 ints
|
|
case LOCAL_GL_SCISSOR_BOX:
|
|
retval.set(Create<dom::Int32Array>(cx, this, state.mScissor, rv));
|
|
return;
|
|
|
|
case LOCAL_GL_VIEWPORT:
|
|
retval.set(Create<dom::Int32Array>(cx, this, state.mViewport, rv));
|
|
return;
|
|
|
|
// 4 bools
|
|
case LOCAL_GL_COLOR_WRITEMASK: {
|
|
JS::Rooted<JS::Value> arr(cx);
|
|
const auto& src = state.mColorWriteMask;
|
|
if (!dom::ToJSValue(cx, src.data(), src.size(), &arr)) {
|
|
rv = NS_ERROR_OUT_OF_MEMORY;
|
|
}
|
|
retval.set(arr);
|
|
return;
|
|
}
|
|
|
|
// any
|
|
case LOCAL_GL_COMPRESSED_TEXTURE_FORMATS:
|
|
retval.set(Create<dom::Uint32Array>(cx, this,
|
|
state.mCompressedTextureFormats, rv));
|
|
return;
|
|
}
|
|
|
|
if (mIsWebGL2) {
|
|
switch (pname) {
|
|
case LOCAL_GL_COPY_READ_BUFFER_BINDING:
|
|
fnSetRetval_Buffer(LOCAL_GL_COPY_READ_BUFFER);
|
|
return;
|
|
|
|
case LOCAL_GL_COPY_WRITE_BUFFER_BINDING:
|
|
fnSetRetval_Buffer(LOCAL_GL_COPY_WRITE_BUFFER);
|
|
return;
|
|
|
|
case LOCAL_GL_DRAW_FRAMEBUFFER_BINDING:
|
|
(void)ToJSValueOrNull(cx, state.mBoundDrawFb, retval);
|
|
return;
|
|
|
|
case LOCAL_GL_PIXEL_PACK_BUFFER_BINDING:
|
|
fnSetRetval_Buffer(LOCAL_GL_PIXEL_PACK_BUFFER);
|
|
return;
|
|
|
|
case LOCAL_GL_PIXEL_UNPACK_BUFFER_BINDING:
|
|
fnSetRetval_Buffer(LOCAL_GL_PIXEL_UNPACK_BUFFER);
|
|
return;
|
|
|
|
case LOCAL_GL_READ_FRAMEBUFFER_BINDING:
|
|
(void)ToJSValueOrNull(cx, state.mBoundReadFb, retval);
|
|
return;
|
|
|
|
case LOCAL_GL_SAMPLER_BINDING: {
|
|
const auto& texUnit = state.mTexUnits[state.mActiveTexUnit];
|
|
(void)ToJSValueOrNull(cx, texUnit.sampler, retval);
|
|
return;
|
|
}
|
|
|
|
case LOCAL_GL_TEXTURE_BINDING_2D_ARRAY:
|
|
fnSetRetval_Tex(LOCAL_GL_TEXTURE_2D_ARRAY);
|
|
return;
|
|
|
|
case LOCAL_GL_TEXTURE_BINDING_3D:
|
|
fnSetRetval_Tex(LOCAL_GL_TEXTURE_3D);
|
|
return;
|
|
|
|
case LOCAL_GL_TRANSFORM_FEEDBACK_BINDING: {
|
|
auto ret = state.mBoundTfo;
|
|
if (ret == state.mDefaultTfo) {
|
|
ret = nullptr;
|
|
}
|
|
(void)ToJSValueOrNull(cx, ret, retval);
|
|
return;
|
|
}
|
|
|
|
case LOCAL_GL_TRANSFORM_FEEDBACK_BUFFER_BINDING:
|
|
fnSetRetval_Buffer(LOCAL_GL_TRANSFORM_FEEDBACK_BUFFER);
|
|
return;
|
|
|
|
case LOCAL_GL_UNIFORM_BUFFER_BINDING:
|
|
fnSetRetval_Buffer(LOCAL_GL_UNIFORM_BUFFER);
|
|
return;
|
|
|
|
case LOCAL_GL_MAX_TRANSFORM_FEEDBACK_SEPARATE_ATTRIBS:
|
|
retval.set(JS::NumberValue(limits.maxTransformFeedbackSeparateAttribs));
|
|
return;
|
|
case LOCAL_GL_MAX_UNIFORM_BUFFER_BINDINGS:
|
|
retval.set(JS::NumberValue(limits.maxUniformBufferBindings));
|
|
return;
|
|
case LOCAL_GL_UNIFORM_BUFFER_OFFSET_ALIGNMENT:
|
|
retval.set(JS::NumberValue(limits.uniformBufferOffsetAlignment));
|
|
return;
|
|
case LOCAL_GL_MAX_3D_TEXTURE_SIZE:
|
|
retval.set(JS::NumberValue(limits.maxTex3dSize));
|
|
return;
|
|
case LOCAL_GL_MAX_ARRAY_TEXTURE_LAYERS:
|
|
retval.set(JS::NumberValue(limits.maxTexArrayLayers));
|
|
return;
|
|
} // switch pname
|
|
} // if webgl2
|
|
|
|
// -
|
|
|
|
if (!debug) {
|
|
const char* ret = nullptr;
|
|
|
|
switch (pname) {
|
|
case LOCAL_GL_VENDOR:
|
|
case LOCAL_GL_RENDERER:
|
|
ret = "Mozilla";
|
|
break;
|
|
|
|
case LOCAL_GL_VERSION:
|
|
if (mIsWebGL2) {
|
|
ret = "WebGL 2.0";
|
|
} else {
|
|
ret = "WebGL 1.0";
|
|
}
|
|
break;
|
|
|
|
case LOCAL_GL_SHADING_LANGUAGE_VERSION:
|
|
if (mIsWebGL2) {
|
|
ret = "WebGL GLSL ES 3.00";
|
|
} else {
|
|
ret = "WebGL GLSL ES 1.0";
|
|
}
|
|
break;
|
|
|
|
case dom::WEBGL_debug_renderer_info_Binding::UNMASKED_VENDOR_WEBGL:
|
|
case dom::WEBGL_debug_renderer_info_Binding::UNMASKED_RENDERER_WEBGL: {
|
|
if (!IsExtensionEnabled(WebGLExtensionID::WEBGL_debug_renderer_info)) {
|
|
EnqueueError_ArgEnum("pname", pname);
|
|
return;
|
|
}
|
|
|
|
const char* overridePref;
|
|
GLenum driverEnum;
|
|
switch (pname) {
|
|
case dom::WEBGL_debug_renderer_info_Binding::UNMASKED_RENDERER_WEBGL:
|
|
overridePref = "webgl.renderer-string-override";
|
|
driverEnum = LOCAL_GL_RENDERER;
|
|
break;
|
|
case dom::WEBGL_debug_renderer_info_Binding::UNMASKED_VENDOR_WEBGL:
|
|
overridePref = "webgl.vendor-string-override";
|
|
driverEnum = LOCAL_GL_VENDOR;
|
|
break;
|
|
default:
|
|
MOZ_CRASH();
|
|
}
|
|
|
|
nsCString overrideStr;
|
|
const auto res = Preferences::GetCString(overridePref, overrideStr);
|
|
if (NS_SUCCEEDED(res) && overrideStr.Length() > 0) {
|
|
retval.set(StringValue(cx, overrideStr.BeginReading(), rv));
|
|
return;
|
|
}
|
|
|
|
const auto maybe = Run<RPROC(GetString)>(driverEnum);
|
|
if (maybe) {
|
|
retval.set(StringValue(cx, *maybe, rv));
|
|
}
|
|
return;
|
|
}
|
|
|
|
default:
|
|
break;
|
|
}
|
|
|
|
if (ret) {
|
|
retval.set(StringValue(cx, ret, rv));
|
|
return;
|
|
}
|
|
} // if (!debug)
|
|
|
|
// -
|
|
|
|
bool debugOnly = false;
|
|
bool asString = false;
|
|
|
|
switch (pname) {
|
|
case LOCAL_GL_EXTENSIONS:
|
|
case LOCAL_GL_RENDERER:
|
|
case LOCAL_GL_VENDOR:
|
|
case LOCAL_GL_VERSION:
|
|
case dom::MOZ_debug_Binding::WSI_INFO:
|
|
debugOnly = true;
|
|
asString = true;
|
|
break;
|
|
|
|
case dom::MOZ_debug_Binding::DOES_INDEX_VALIDATION:
|
|
debugOnly = true;
|
|
break;
|
|
|
|
default:
|
|
break;
|
|
}
|
|
|
|
if (debugOnly && !debug) {
|
|
EnqueueError_ArgEnum("pname", pname);
|
|
return;
|
|
}
|
|
|
|
// -
|
|
|
|
if (asString) {
|
|
const auto maybe = Run<RPROC(GetString)>(pname);
|
|
if (maybe) {
|
|
retval.set(StringValue(cx, maybe->c_str(), rv));
|
|
}
|
|
} else {
|
|
const auto maybe = Run<RPROC(GetParameter)>(pname);
|
|
if (maybe) {
|
|
switch (pname) {
|
|
// WebGL 1:
|
|
case LOCAL_GL_BLEND:
|
|
case LOCAL_GL_CULL_FACE:
|
|
case LOCAL_GL_DEPTH_TEST:
|
|
case LOCAL_GL_DEPTH_WRITEMASK:
|
|
case LOCAL_GL_DITHER:
|
|
case LOCAL_GL_POLYGON_OFFSET_FILL:
|
|
case LOCAL_GL_SAMPLE_ALPHA_TO_COVERAGE:
|
|
case LOCAL_GL_SAMPLE_COVERAGE:
|
|
case LOCAL_GL_SAMPLE_COVERAGE_INVERT:
|
|
case LOCAL_GL_SCISSOR_TEST:
|
|
case LOCAL_GL_STENCIL_TEST:
|
|
case LOCAL_GL_UNPACK_FLIP_Y_WEBGL:
|
|
case LOCAL_GL_UNPACK_PREMULTIPLY_ALPHA_WEBGL:
|
|
// WebGL 2:
|
|
case LOCAL_GL_RASTERIZER_DISCARD:
|
|
case LOCAL_GL_TRANSFORM_FEEDBACK_ACTIVE:
|
|
case LOCAL_GL_TRANSFORM_FEEDBACK_PAUSED:
|
|
retval.set(JS::BooleanValue(*maybe));
|
|
break;
|
|
|
|
default:
|
|
retval.set(JS::NumberValue(*maybe));
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
void ClientWebGLContext::GetBufferParameter(
|
|
JSContext* cx, GLenum target, GLenum pname,
|
|
JS::MutableHandle<JS::Value> retval) const {
|
|
retval.set(JS::NullValue());
|
|
const auto maybe = Run<RPROC(GetBufferParameter)>(target, pname);
|
|
if (maybe) {
|
|
retval.set(JS::NumberValue(*maybe));
|
|
}
|
|
}
|
|
|
|
bool IsFramebufferTarget(const bool isWebgl2, const GLenum target) {
|
|
switch (target) {
|
|
case LOCAL_GL_FRAMEBUFFER:
|
|
return true;
|
|
|
|
case LOCAL_GL_DRAW_FRAMEBUFFER:
|
|
case LOCAL_GL_READ_FRAMEBUFFER:
|
|
return isWebgl2;
|
|
|
|
default:
|
|
return false;
|
|
}
|
|
}
|
|
|
|
void ClientWebGLContext::GetFramebufferAttachmentParameter(
|
|
JSContext* const cx, const GLenum target, const GLenum attachment,
|
|
const GLenum pname, JS::MutableHandle<JS::Value> retval,
|
|
ErrorResult& rv) const {
|
|
retval.set(JS::NullValue());
|
|
const FuncScope funcScope(*this, "getFramebufferAttachmentParameter");
|
|
if (IsContextLost()) return;
|
|
|
|
const auto& state = State();
|
|
|
|
if (!IsFramebufferTarget(mIsWebGL2, target)) {
|
|
EnqueueError_ArgEnum("target", target);
|
|
return;
|
|
}
|
|
auto fb = state.mBoundDrawFb;
|
|
if (target == LOCAL_GL_READ_FRAMEBUFFER) {
|
|
fb = state.mBoundReadFb;
|
|
}
|
|
|
|
if (fb) {
|
|
auto attachmentSlotEnum = attachment;
|
|
if (mIsWebGL2 && attachment == LOCAL_GL_DEPTH_STENCIL_ATTACHMENT) {
|
|
// In webgl2, DEPTH_STENCIL is valid iff the DEPTH and STENCIL images
|
|
// match, so check if the server errors.
|
|
const auto maybe = Run<RPROC(GetFramebufferAttachmentParameter)>(
|
|
fb->mId, attachment, LOCAL_GL_FRAMEBUFFER_ATTACHMENT_OBJECT_TYPE);
|
|
if (!maybe) return;
|
|
attachmentSlotEnum = LOCAL_GL_DEPTH_ATTACHMENT;
|
|
}
|
|
|
|
const auto maybeSlot = fb->GetAttachment(attachmentSlotEnum);
|
|
if (!maybeSlot) {
|
|
EnqueueError_ArgEnum("attachment", attachment);
|
|
return;
|
|
}
|
|
const auto& attached = *maybeSlot;
|
|
|
|
// -
|
|
|
|
if (pname == LOCAL_GL_FRAMEBUFFER_ATTACHMENT_OBJECT_NAME) {
|
|
if (attached.rb) {
|
|
(void)ToJSValueOrNull(cx, attached.rb, retval);
|
|
} else {
|
|
if (!mIsWebGL2 && !attached.tex) {
|
|
EnqueueError_ArgEnum("pname", pname);
|
|
return;
|
|
}
|
|
(void)ToJSValueOrNull(cx, attached.tex, retval);
|
|
}
|
|
return;
|
|
}
|
|
}
|
|
|
|
const auto maybe = Run<RPROC(GetFramebufferAttachmentParameter)>(
|
|
fb ? fb->mId : 0, attachment, pname);
|
|
if (maybe) {
|
|
retval.set(JS::NumberValue(*maybe));
|
|
}
|
|
}
|
|
|
|
void ClientWebGLContext::GetRenderbufferParameter(
|
|
JSContext* cx, GLenum target, GLenum pname,
|
|
JS::MutableHandle<JS::Value> retval) const {
|
|
retval.set(JS::NullValue());
|
|
const FuncScope funcScope(*this, "getRenderbufferParameter");
|
|
if (IsContextLost()) return;
|
|
|
|
if (target != LOCAL_GL_RENDERBUFFER) {
|
|
EnqueueError_ArgEnum("target", target);
|
|
return;
|
|
}
|
|
|
|
const auto& state = State();
|
|
const auto& rb = state.mBoundRb;
|
|
|
|
const auto maybe =
|
|
Run<RPROC(GetRenderbufferParameter)>(rb ? rb->mId : 0, pname);
|
|
if (maybe) {
|
|
retval.set(JS::NumberValue(*maybe));
|
|
}
|
|
}
|
|
|
|
void ClientWebGLContext::GetIndexedParameter(
|
|
JSContext* cx, GLenum target, GLuint index,
|
|
JS::MutableHandle<JS::Value> retval, ErrorResult& rv) const {
|
|
retval.set(JS::NullValue());
|
|
const FuncScope funcScope(*this, "getIndexedParameter");
|
|
if (IsContextLost()) return;
|
|
|
|
const auto& state = State();
|
|
|
|
switch (target) {
|
|
case LOCAL_GL_TRANSFORM_FEEDBACK_BUFFER_BINDING: {
|
|
const auto& list = state.mBoundTfo->mAttribBuffers;
|
|
if (index >= list.size()) {
|
|
EnqueueError(LOCAL_GL_INVALID_VALUE,
|
|
"`index` (%u) >= MAX_TRANSFORM_FEEDBACK_SEPARATE_ATTRIBS",
|
|
index);
|
|
return;
|
|
}
|
|
(void)ToJSValueOrNull(cx, list[index], retval);
|
|
return;
|
|
}
|
|
|
|
case LOCAL_GL_UNIFORM_BUFFER_BINDING: {
|
|
const auto& list = state.mBoundUbos;
|
|
if (index >= list.size()) {
|
|
EnqueueError(LOCAL_GL_INVALID_VALUE,
|
|
"`index` (%u) >= MAX_UNIFORM_BUFFER_BINDINGS", index);
|
|
return;
|
|
}
|
|
(void)ToJSValueOrNull(cx, list[index], retval);
|
|
return;
|
|
}
|
|
}
|
|
|
|
const auto maybe = Run<RPROC(GetIndexedParameter)>(target, index);
|
|
if (maybe) {
|
|
retval.set(JS::NumberValue(*maybe));
|
|
}
|
|
}
|
|
|
|
void ClientWebGLContext::GetUniform(JSContext* const cx,
|
|
const WebGLProgramJS& prog,
|
|
const WebGLUniformLocationJS& loc,
|
|
JS::MutableHandle<JS::Value> retval) {
|
|
retval.set(JS::NullValue());
|
|
const FuncScope funcScope(*this, "getUniform");
|
|
if (IsContextLost()) return;
|
|
if (!prog.ValidateUsable(*this, "prog")) return;
|
|
if (!loc.ValidateUsable(*this, "loc")) return;
|
|
|
|
const auto& activeLinkResult = GetActiveLinkResult();
|
|
if (!activeLinkResult) {
|
|
EnqueueError(LOCAL_GL_INVALID_OPERATION, "No active linked Program.");
|
|
return;
|
|
}
|
|
const auto& reqLinkInfo = loc.mParent.lock();
|
|
if (reqLinkInfo.get() != activeLinkResult) {
|
|
EnqueueError(LOCAL_GL_INVALID_OPERATION,
|
|
"UniformLocation is not from the current active Program.");
|
|
return;
|
|
}
|
|
|
|
const auto res = Run<RPROC(GetUniform)>(prog.mId, loc.mLocation);
|
|
if (!res.type) return;
|
|
|
|
const auto elemCount = ElemTypeComponents(res.type);
|
|
MOZ_ASSERT(elemCount);
|
|
|
|
switch (res.type) {
|
|
case LOCAL_GL_BOOL:
|
|
retval.set(JS::BooleanValue(res.data[0]));
|
|
return;
|
|
|
|
case LOCAL_GL_FLOAT: {
|
|
const auto ptr = reinterpret_cast<const float*>(res.data);
|
|
MOZ_ALWAYS_TRUE(ToJSValue(cx, *ptr, retval));
|
|
return;
|
|
}
|
|
case LOCAL_GL_INT: {
|
|
const auto ptr = reinterpret_cast<const int32_t*>(res.data);
|
|
MOZ_ALWAYS_TRUE(ToJSValue(cx, *ptr, retval));
|
|
return;
|
|
}
|
|
case LOCAL_GL_UNSIGNED_INT:
|
|
case LOCAL_GL_SAMPLER_2D:
|
|
case LOCAL_GL_SAMPLER_3D:
|
|
case LOCAL_GL_SAMPLER_CUBE:
|
|
case LOCAL_GL_SAMPLER_2D_SHADOW:
|
|
case LOCAL_GL_SAMPLER_2D_ARRAY:
|
|
case LOCAL_GL_SAMPLER_2D_ARRAY_SHADOW:
|
|
case LOCAL_GL_SAMPLER_CUBE_SHADOW:
|
|
case LOCAL_GL_INT_SAMPLER_2D:
|
|
case LOCAL_GL_INT_SAMPLER_3D:
|
|
case LOCAL_GL_INT_SAMPLER_CUBE:
|
|
case LOCAL_GL_INT_SAMPLER_2D_ARRAY:
|
|
case LOCAL_GL_UNSIGNED_INT_SAMPLER_2D:
|
|
case LOCAL_GL_UNSIGNED_INT_SAMPLER_3D:
|
|
case LOCAL_GL_UNSIGNED_INT_SAMPLER_CUBE:
|
|
case LOCAL_GL_UNSIGNED_INT_SAMPLER_2D_ARRAY: {
|
|
const auto ptr = reinterpret_cast<const uint32_t*>(res.data);
|
|
MOZ_ALWAYS_TRUE(ToJSValue(cx, *ptr, retval));
|
|
return;
|
|
}
|
|
|
|
// -
|
|
|
|
case LOCAL_GL_BOOL_VEC2:
|
|
case LOCAL_GL_BOOL_VEC3:
|
|
case LOCAL_GL_BOOL_VEC4: {
|
|
const auto intArr = reinterpret_cast<const int32_t*>(res.data);
|
|
bool boolArr[4] = {};
|
|
for (const auto i : IntegerRange(elemCount)) {
|
|
boolArr[i] = bool(intArr[i]);
|
|
}
|
|
MOZ_ALWAYS_TRUE(ToJSValue(cx, boolArr, elemCount, retval));
|
|
return;
|
|
}
|
|
|
|
case LOCAL_GL_FLOAT_VEC2:
|
|
case LOCAL_GL_FLOAT_VEC3:
|
|
case LOCAL_GL_FLOAT_VEC4:
|
|
case LOCAL_GL_FLOAT_MAT2:
|
|
case LOCAL_GL_FLOAT_MAT3:
|
|
case LOCAL_GL_FLOAT_MAT4:
|
|
case LOCAL_GL_FLOAT_MAT2x3:
|
|
case LOCAL_GL_FLOAT_MAT2x4:
|
|
case LOCAL_GL_FLOAT_MAT3x2:
|
|
case LOCAL_GL_FLOAT_MAT3x4:
|
|
case LOCAL_GL_FLOAT_MAT4x2:
|
|
case LOCAL_GL_FLOAT_MAT4x3: {
|
|
const auto ptr = reinterpret_cast<const float*>(res.data);
|
|
JSObject* obj = dom::Float32Array::Create(cx, this, elemCount, ptr);
|
|
MOZ_ASSERT(obj);
|
|
retval.set(JS::ObjectOrNullValue(obj));
|
|
return;
|
|
}
|
|
|
|
case LOCAL_GL_INT_VEC2:
|
|
case LOCAL_GL_INT_VEC3:
|
|
case LOCAL_GL_INT_VEC4: {
|
|
const auto ptr = reinterpret_cast<const int32_t*>(res.data);
|
|
JSObject* obj = dom::Int32Array::Create(cx, this, elemCount, ptr);
|
|
MOZ_ASSERT(obj);
|
|
retval.set(JS::ObjectOrNullValue(obj));
|
|
return;
|
|
}
|
|
|
|
case LOCAL_GL_UNSIGNED_INT_VEC2:
|
|
case LOCAL_GL_UNSIGNED_INT_VEC3:
|
|
case LOCAL_GL_UNSIGNED_INT_VEC4: {
|
|
const auto ptr = reinterpret_cast<const uint32_t*>(res.data);
|
|
JSObject* obj = dom::Uint32Array::Create(cx, this, elemCount, ptr);
|
|
MOZ_ASSERT(obj);
|
|
retval.set(JS::ObjectOrNullValue(obj));
|
|
return;
|
|
}
|
|
|
|
default:
|
|
MOZ_CRASH("GFX: Invalid elemType.");
|
|
}
|
|
}
|
|
|
|
already_AddRefed<WebGLShaderPrecisionFormatJS>
|
|
ClientWebGLContext::GetShaderPrecisionFormat(const GLenum shadertype,
|
|
const GLenum precisiontype) {
|
|
const auto info =
|
|
Run<RPROC(GetShaderPrecisionFormat)>(shadertype, precisiontype);
|
|
if (!info) return nullptr;
|
|
return AsAddRefed(new WebGLShaderPrecisionFormatJS(*info));
|
|
}
|
|
|
|
void ClientWebGLContext::BlendColor(GLclampf r, GLclampf g, GLclampf b,
|
|
GLclampf a) {
|
|
const FuncScope funcScope(*this, "blendColor");
|
|
if (IsContextLost()) return;
|
|
auto& state = State();
|
|
|
|
auto& cache = state.mBlendColor;
|
|
cache[0] = r;
|
|
cache[1] = g;
|
|
cache[2] = b;
|
|
cache[3] = a;
|
|
|
|
Run<RPROC(BlendColor)>(r, g, b, a);
|
|
}
|
|
|
|
void ClientWebGLContext::BlendEquationSeparate(GLenum modeRGB,
|
|
GLenum modeAlpha) {
|
|
Run<RPROC(BlendEquationSeparate)>(modeRGB, modeAlpha);
|
|
}
|
|
|
|
void ClientWebGLContext::BlendFuncSeparate(GLenum srcRGB, GLenum dstRGB,
|
|
GLenum srcAlpha, GLenum dstAlpha) {
|
|
Run<RPROC(BlendFuncSeparate)>(srcRGB, dstRGB, srcAlpha, dstAlpha);
|
|
}
|
|
|
|
GLenum ClientWebGLContext::CheckFramebufferStatus(GLenum target) {
|
|
if (IsContextLost()) return LOCAL_GL_FRAMEBUFFER_UNSUPPORTED;
|
|
return Run<RPROC(CheckFramebufferStatus)>(target);
|
|
}
|
|
|
|
void ClientWebGLContext::Clear(GLbitfield mask) {
|
|
Run<RPROC(Clear)>(mask);
|
|
|
|
AfterDrawCall();
|
|
}
|
|
|
|
// -
|
|
|
|
void ClientWebGLContext::ClearBufferTv(const GLenum buffer,
|
|
const GLint drawBuffer,
|
|
const webgl::AttribBaseType type,
|
|
const Range<const uint8_t>& view,
|
|
const GLuint srcElemOffset) {
|
|
const FuncScope funcScope(*this, "clearBufferu?[fi]v");
|
|
if (IsContextLost()) return;
|
|
|
|
const auto byteOffset = CheckedInt<size_t>(srcElemOffset) * sizeof(float);
|
|
if (!byteOffset.isValid() || byteOffset.value() > view.length()) {
|
|
EnqueueError(LOCAL_GL_INVALID_VALUE, "`srcOffset` too large for `values`.");
|
|
return;
|
|
}
|
|
webgl::TypedQuad data;
|
|
data.type = type;
|
|
|
|
auto dataSize = sizeof(data.data);
|
|
switch (buffer) {
|
|
case LOCAL_GL_COLOR:
|
|
break;
|
|
|
|
case LOCAL_GL_DEPTH:
|
|
dataSize = sizeof(float);
|
|
break;
|
|
|
|
case LOCAL_GL_STENCIL:
|
|
dataSize = sizeof(int32_t);
|
|
break;
|
|
|
|
default:
|
|
EnqueueError_ArgEnum("buffer", buffer);
|
|
return;
|
|
}
|
|
|
|
const auto requiredBytes = byteOffset + dataSize;
|
|
if (!requiredBytes.isValid() || requiredBytes.value() > view.length()) {
|
|
EnqueueError(LOCAL_GL_INVALID_VALUE, "`values` too small.");
|
|
return;
|
|
}
|
|
|
|
memcpy(data.data, view.begin().get() + byteOffset.value(), dataSize);
|
|
Run<RPROC(ClearBufferTv)>(buffer, drawBuffer, data);
|
|
|
|
AfterDrawCall();
|
|
}
|
|
|
|
void ClientWebGLContext::ClearBufferfi(GLenum buffer, GLint drawBuffer,
|
|
GLfloat depth, GLint stencil) {
|
|
Run<RPROC(ClearBufferfi)>(buffer, drawBuffer, depth, stencil);
|
|
|
|
AfterDrawCall();
|
|
}
|
|
|
|
// -
|
|
|
|
void ClientWebGLContext::ClearColor(GLclampf r, GLclampf g, GLclampf b,
|
|
GLclampf a) {
|
|
const FuncScope funcScope(*this, "clearColor");
|
|
if (IsContextLost()) return;
|
|
auto& state = State();
|
|
|
|
auto& cache = state.mClearColor;
|
|
cache[0] = r;
|
|
cache[1] = g;
|
|
cache[2] = b;
|
|
cache[3] = a;
|
|
|
|
Run<RPROC(ClearColor)>(r, g, b, a);
|
|
}
|
|
|
|
void ClientWebGLContext::ClearDepth(GLclampf v) { Run<RPROC(ClearDepth)>(v); }
|
|
|
|
void ClientWebGLContext::ClearStencil(GLint v) { Run<RPROC(ClearStencil)>(v); }
|
|
|
|
void ClientWebGLContext::ColorMask(WebGLboolean r, WebGLboolean g,
|
|
WebGLboolean b, WebGLboolean a) {
|
|
const FuncScope funcScope(*this, "colorMask");
|
|
if (IsContextLost()) return;
|
|
auto& state = State();
|
|
|
|
state.mColorWriteMask = {r, g, b, a};
|
|
|
|
Run<RPROC(ColorMask)>(r, g, b, a);
|
|
}
|
|
|
|
void ClientWebGLContext::CullFace(GLenum face) { Run<RPROC(CullFace)>(face); }
|
|
|
|
void ClientWebGLContext::DepthFunc(GLenum func) { Run<RPROC(DepthFunc)>(func); }
|
|
|
|
void ClientWebGLContext::DepthMask(WebGLboolean b) { Run<RPROC(DepthMask)>(b); }
|
|
|
|
void ClientWebGLContext::DepthRange(GLclampf zNear, GLclampf zFar) {
|
|
const FuncScope funcScope(*this, "depthRange");
|
|
if (IsContextLost()) return;
|
|
auto& state = State();
|
|
|
|
state.mDepthRange = {zNear, zFar};
|
|
|
|
Run<RPROC(DepthRange)>(zNear, zFar);
|
|
}
|
|
|
|
void ClientWebGLContext::Flush() { Run<RPROC(Flush)>(); }
|
|
|
|
void ClientWebGLContext::Finish() { Run<RPROC(Finish)>(); }
|
|
|
|
void ClientWebGLContext::FrontFace(GLenum mode) { Run<RPROC(FrontFace)>(mode); }
|
|
|
|
GLenum ClientWebGLContext::GetError() {
|
|
if (mNextError) {
|
|
const auto ret = mNextError;
|
|
mNextError = 0;
|
|
return ret;
|
|
}
|
|
return Run<RPROC(GetError)>();
|
|
}
|
|
|
|
void ClientWebGLContext::Hint(GLenum target, GLenum mode) {
|
|
Run<RPROC(Hint)>(target, mode);
|
|
}
|
|
|
|
void ClientWebGLContext::LineWidth(GLfloat width) {
|
|
Run<RPROC(LineWidth)>(width);
|
|
}
|
|
|
|
void ClientWebGLContext::PixelStorei(GLenum pname, GLint param) {
|
|
Run<RPROC(PixelStorei)>(pname, param);
|
|
}
|
|
|
|
void ClientWebGLContext::PolygonOffset(GLfloat factor, GLfloat units) {
|
|
Run<RPROC(PolygonOffset)>(factor, units);
|
|
}
|
|
|
|
void ClientWebGLContext::SampleCoverage(GLclampf value, WebGLboolean invert) {
|
|
Run<RPROC(SampleCoverage)>(value, invert);
|
|
}
|
|
|
|
void ClientWebGLContext::Scissor(GLint x, GLint y, GLsizei width,
|
|
GLsizei height) {
|
|
const FuncScope funcScope(*this, "scissor");
|
|
if (IsContextLost()) return;
|
|
auto& state = State();
|
|
|
|
if (!ValidateNonNegative("width", width) ||
|
|
!ValidateNonNegative("height", height)) {
|
|
return;
|
|
}
|
|
|
|
state.mScissor = {x, y, width, height};
|
|
|
|
Run<RPROC(Scissor)>(x, y, width, height);
|
|
}
|
|
|
|
void ClientWebGLContext::StencilFuncSeparate(GLenum face, GLenum func,
|
|
GLint ref, GLuint mask) {
|
|
Run<RPROC(StencilFuncSeparate)>(face, func, ref, mask);
|
|
}
|
|
|
|
void ClientWebGLContext::StencilMaskSeparate(GLenum face, GLuint mask) {
|
|
Run<RPROC(StencilMaskSeparate)>(face, mask);
|
|
}
|
|
|
|
void ClientWebGLContext::StencilOpSeparate(GLenum face, GLenum sfail,
|
|
GLenum dpfail, GLenum dppass) {
|
|
Run<RPROC(StencilOpSeparate)>(face, sfail, dpfail, dppass);
|
|
}
|
|
|
|
void ClientWebGLContext::Viewport(GLint x, GLint y, GLsizei width,
|
|
GLsizei height) {
|
|
const FuncScope funcScope(*this, "viewport");
|
|
if (IsContextLost()) return;
|
|
auto& state = State();
|
|
|
|
if (!ValidateNonNegative("width", width) ||
|
|
!ValidateNonNegative("height", height)) {
|
|
return;
|
|
}
|
|
|
|
state.mViewport = {x, y, width, height};
|
|
|
|
Run<RPROC(Viewport)>(x, y, width, height);
|
|
}
|
|
|
|
// ------------------------- Buffer Objects -------------------------
|
|
|
|
Maybe<const webgl::ErrorInfo> ValidateBindBuffer(
|
|
const GLenum target, const webgl::BufferKind curKind) {
|
|
if (curKind == webgl::BufferKind::Undefined) return {};
|
|
|
|
auto requiredKind = webgl::BufferKind::NonIndex;
|
|
switch (target) {
|
|
case LOCAL_GL_COPY_READ_BUFFER:
|
|
case LOCAL_GL_COPY_WRITE_BUFFER:
|
|
return {}; // Always ok
|
|
|
|
case LOCAL_GL_ELEMENT_ARRAY_BUFFER:
|
|
requiredKind = webgl::BufferKind::Index;
|
|
break;
|
|
|
|
default:
|
|
break;
|
|
}
|
|
|
|
if (curKind != requiredKind) {
|
|
const auto fnKindStr = [&](const webgl::BufferKind kind) {
|
|
if (kind == webgl::BufferKind::Index) return "ELEMENT_ARRAY_BUFFER";
|
|
return "non-ELEMENT_ARRAY_BUFFER";
|
|
};
|
|
const auto info = nsPrintfCString(
|
|
"Buffer previously bound to %s cannot be now bound to %s.",
|
|
fnKindStr(curKind), fnKindStr(requiredKind));
|
|
return Some(
|
|
webgl::ErrorInfo{LOCAL_GL_INVALID_OPERATION, info.BeginReading()});
|
|
}
|
|
|
|
return {};
|
|
}
|
|
|
|
Maybe<webgl::ErrorInfo> CheckBindBufferRange(
|
|
const GLenum target, const GLuint index, const bool isBuffer,
|
|
const uint64_t offset, const uint64_t size, const webgl::Limits& limits) {
|
|
const auto fnSome = [&](const GLenum type, const nsACString& info) {
|
|
return Some(webgl::ErrorInfo{type, info.BeginReading()});
|
|
};
|
|
|
|
switch (target) {
|
|
case LOCAL_GL_TRANSFORM_FEEDBACK_BUFFER:
|
|
if (index >= limits.maxTransformFeedbackSeparateAttribs) {
|
|
const auto info = nsPrintfCString(
|
|
"`index` (%u) must be less than "
|
|
"MAX_TRANSFORM_FEEDBACK_SEPARATE_ATTRIBS (%u).",
|
|
index, limits.maxTransformFeedbackSeparateAttribs);
|
|
return fnSome(LOCAL_GL_INVALID_VALUE, info);
|
|
}
|
|
|
|
if (isBuffer) {
|
|
if (offset % 4 != 0 || size % 4 != 0) {
|
|
const auto info =
|
|
nsPrintfCString("`offset` (%" PRIu64 ") and `size` (%" PRIu64
|
|
") must both be aligned to 4 for"
|
|
" TRANSFORM_FEEDBACK_BUFFER.",
|
|
offset, size);
|
|
return fnSome(LOCAL_GL_INVALID_VALUE, info);
|
|
}
|
|
}
|
|
break;
|
|
|
|
case LOCAL_GL_UNIFORM_BUFFER:
|
|
if (index >= limits.maxUniformBufferBindings) {
|
|
const auto info = nsPrintfCString(
|
|
"`index` (%u) must be less than MAX_UNIFORM_BUFFER_BINDINGS (%u).",
|
|
index, limits.maxUniformBufferBindings);
|
|
return fnSome(LOCAL_GL_INVALID_VALUE, info);
|
|
}
|
|
|
|
if (isBuffer) {
|
|
if (offset % limits.uniformBufferOffsetAlignment != 0) {
|
|
const auto info =
|
|
nsPrintfCString("`offset` (%" PRIu64
|
|
") must be aligned to "
|
|
"UNIFORM_BUFFER_OFFSET_ALIGNMENT (%u).",
|
|
offset, limits.uniformBufferOffsetAlignment);
|
|
return fnSome(LOCAL_GL_INVALID_VALUE, info);
|
|
}
|
|
}
|
|
break;
|
|
|
|
default: {
|
|
const auto info =
|
|
nsPrintfCString("Unrecognized `target`: 0x%04x", target);
|
|
return fnSome(LOCAL_GL_INVALID_ENUM, info);
|
|
}
|
|
}
|
|
|
|
return {};
|
|
}
|
|
|
|
// -
|
|
|
|
void ClientWebGLContext::BindBuffer(const GLenum target,
|
|
WebGLBufferJS* const buffer) {
|
|
const FuncScope funcScope(*this, "bindBuffer");
|
|
if (IsContextLost()) return;
|
|
if (buffer && !buffer->ValidateUsable(*this, "buffer")) return;
|
|
|
|
// -
|
|
// Check for INVALID_ENUM
|
|
|
|
auto& state = State();
|
|
auto* slot = &(state.mBoundVao->mIndexBuffer);
|
|
if (target != LOCAL_GL_ELEMENT_ARRAY_BUFFER) {
|
|
const auto itr = state.mBoundBufferByTarget.find(target);
|
|
if (itr == state.mBoundBufferByTarget.end()) {
|
|
EnqueueError_ArgEnum("target", target);
|
|
return;
|
|
}
|
|
slot = &(itr->second);
|
|
}
|
|
|
|
// -
|
|
|
|
auto kind = webgl::BufferKind::Undefined;
|
|
if (buffer) {
|
|
kind = buffer->mKind;
|
|
}
|
|
const auto err = ValidateBindBuffer(target, kind);
|
|
if (err) {
|
|
EnqueueError(err->type, "%s", err->info.c_str());
|
|
return;
|
|
}
|
|
|
|
// -
|
|
// Validation complete
|
|
|
|
if (buffer && buffer->mKind == webgl::BufferKind::Undefined) {
|
|
if (target == LOCAL_GL_ELEMENT_ARRAY_BUFFER) {
|
|
buffer->mKind = webgl::BufferKind::Index;
|
|
} else {
|
|
buffer->mKind = webgl::BufferKind::NonIndex;
|
|
}
|
|
}
|
|
*slot = buffer;
|
|
|
|
// -
|
|
|
|
Run<RPROC(BindBuffer)>(target, buffer ? buffer->mId : 0);
|
|
}
|
|
|
|
// -
|
|
|
|
void ClientWebGLContext::BindBufferRangeImpl(const GLenum target,
|
|
const GLuint index,
|
|
WebGLBufferJS* const buffer,
|
|
const uint64_t offset,
|
|
const uint64_t size) {
|
|
if (buffer && !buffer->ValidateUsable(*this, "buffer")) return;
|
|
auto& state = State();
|
|
|
|
// -
|
|
|
|
const auto& limits = Limits();
|
|
auto err =
|
|
CheckBindBufferRange(target, index, bool(buffer), offset, size, limits);
|
|
if (err) {
|
|
EnqueueError(err->type, "%s", err->info.c_str());
|
|
return;
|
|
}
|
|
|
|
// -
|
|
|
|
auto kind = webgl::BufferKind::Undefined;
|
|
if (buffer) {
|
|
kind = buffer->mKind;
|
|
}
|
|
err = ValidateBindBuffer(target, kind);
|
|
if (err) {
|
|
EnqueueError(err->type, "%s", err->info.c_str());
|
|
return;
|
|
}
|
|
|
|
if (target == LOCAL_GL_TRANSFORM_FEEDBACK_BUFFER) {
|
|
if (state.mTfActiveAndNotPaused) {
|
|
EnqueueError(LOCAL_GL_INVALID_OPERATION,
|
|
"Cannot change TRANSFORM_FEEDBACK_BUFFER while "
|
|
"TransformFeedback is active and not paused.");
|
|
return;
|
|
}
|
|
}
|
|
|
|
// -
|
|
// Validation complete
|
|
|
|
if (buffer && buffer->mKind == webgl::BufferKind::Undefined) {
|
|
buffer->mKind = webgl::BufferKind::NonIndex;
|
|
}
|
|
|
|
// -
|
|
|
|
switch (target) {
|
|
case LOCAL_GL_TRANSFORM_FEEDBACK_BUFFER:
|
|
state.mBoundTfo->mAttribBuffers[index] = buffer;
|
|
break;
|
|
|
|
case LOCAL_GL_UNIFORM_BUFFER:
|
|
state.mBoundUbos[index] = buffer;
|
|
break;
|
|
|
|
default:
|
|
MOZ_CRASH("Bad `target`");
|
|
}
|
|
state.mBoundBufferByTarget[target] = buffer;
|
|
|
|
// -
|
|
|
|
Run<RPROC(BindBufferRange)>(target, index, buffer ? buffer->mId : 0, offset,
|
|
size);
|
|
}
|
|
|
|
void ClientWebGLContext::GetBufferSubData(GLenum target, GLintptr srcByteOffset,
|
|
const dom::ArrayBufferView& dstData,
|
|
GLuint dstElemOffset,
|
|
GLuint dstElemCountOverride) {
|
|
const FuncScope funcScope(*this, "getBufferSubData");
|
|
if (IsContextLost()) return;
|
|
if (!ValidateNonNegative("srcByteOffset", srcByteOffset)) return;
|
|
|
|
uint8_t* bytes;
|
|
size_t byteLen;
|
|
if (!ValidateArrayBufferView(dstData, dstElemOffset, dstElemCountOverride,
|
|
LOCAL_GL_INVALID_VALUE, &bytes, &byteLen)) {
|
|
return;
|
|
}
|
|
auto view = RawBuffer<uint8_t>(byteLen, bytes);
|
|
|
|
Run<RPROC(GetBufferSubData)>(target, srcByteOffset, view);
|
|
}
|
|
|
|
////
|
|
|
|
void ClientWebGLContext::BufferData(GLenum target, WebGLsizeiptr size,
|
|
GLenum usage) {
|
|
const FuncScope funcScope(*this, "bufferData");
|
|
if (!ValidateNonNegative("size", size)) return;
|
|
|
|
const auto view =
|
|
RawBuffer<const uint8_t>(static_cast<uint64_t>(size), nullptr);
|
|
Run<RPROC(BufferData)>(target, view, usage);
|
|
}
|
|
|
|
void ClientWebGLContext::BufferData(
|
|
GLenum target, const dom::Nullable<dom::ArrayBuffer>& maybeSrc,
|
|
GLenum usage) {
|
|
const FuncScope funcScope(*this, "bufferData");
|
|
if (!ValidateNonNull("src", maybeSrc)) return;
|
|
const auto& src = maybeSrc.Value();
|
|
|
|
src.ComputeLengthAndData();
|
|
const auto view =
|
|
RawBuffer<const uint8_t>(src.LengthAllowShared(), src.DataAllowShared());
|
|
|
|
Run<RPROC(BufferData)>(target, view, usage);
|
|
}
|
|
|
|
void ClientWebGLContext::BufferData(GLenum target,
|
|
const dom::ArrayBufferView& src,
|
|
GLenum usage, GLuint srcElemOffset,
|
|
GLuint srcElemCountOverride) {
|
|
const FuncScope funcScope(*this, "bufferData");
|
|
uint8_t* bytes;
|
|
size_t byteLen;
|
|
if (!ValidateArrayBufferView(src, srcElemOffset, srcElemCountOverride,
|
|
LOCAL_GL_INVALID_VALUE, &bytes, &byteLen)) {
|
|
return;
|
|
}
|
|
|
|
Run<RPROC(BufferData)>(target, RawBuffer<const uint8_t>(byteLen, bytes),
|
|
usage);
|
|
}
|
|
|
|
////
|
|
|
|
void ClientWebGLContext::BufferSubData(GLenum target,
|
|
WebGLsizeiptr dstByteOffset,
|
|
const dom::ArrayBuffer& src) {
|
|
const FuncScope funcScope(*this, "bufferSubData");
|
|
src.ComputeLengthAndData();
|
|
Run<RPROC(BufferSubData)>(
|
|
target, dstByteOffset,
|
|
RawBuffer<const uint8_t>(src.LengthAllowShared(), src.DataAllowShared()));
|
|
}
|
|
|
|
void ClientWebGLContext::BufferSubData(GLenum target,
|
|
WebGLsizeiptr dstByteOffset,
|
|
const dom::ArrayBufferView& src,
|
|
GLuint srcElemOffset,
|
|
GLuint srcElemCountOverride) {
|
|
const FuncScope funcScope(*this, "bufferSubData");
|
|
uint8_t* bytes;
|
|
size_t byteLen;
|
|
if (!ValidateArrayBufferView(src, srcElemOffset, srcElemCountOverride,
|
|
LOCAL_GL_INVALID_VALUE, &bytes, &byteLen)) {
|
|
return;
|
|
}
|
|
|
|
Run<RPROC(BufferSubData)>(target, dstByteOffset,
|
|
RawBuffer<const uint8_t>(byteLen, bytes));
|
|
}
|
|
|
|
void ClientWebGLContext::CopyBufferSubData(GLenum readTarget,
|
|
GLenum writeTarget,
|
|
GLintptr readOffset,
|
|
GLintptr writeOffset,
|
|
GLsizeiptr size) {
|
|
const FuncScope funcScope(*this, "copyBufferSubData");
|
|
if (!ValidateNonNegative("readOffset", readOffset) ||
|
|
!ValidateNonNegative("writeOffset", writeOffset) ||
|
|
!ValidateNonNegative("size", size)) {
|
|
return;
|
|
}
|
|
Run<RPROC(CopyBufferSubData)>(
|
|
readTarget, writeTarget, static_cast<uint64_t>(readOffset),
|
|
static_cast<uint64_t>(writeOffset), static_cast<uint64_t>(size));
|
|
}
|
|
|
|
// -------------------------- Framebuffer Objects --------------------------
|
|
|
|
void ClientWebGLContext::BindFramebuffer(const GLenum target,
|
|
WebGLFramebufferJS* const fb) {
|
|
const FuncScope funcScope(*this, "bindFramebuffer");
|
|
if (IsContextLost()) return;
|
|
if (fb && !fb->ValidateUsable(*this, "fb")) return;
|
|
|
|
if (!IsFramebufferTarget(mIsWebGL2, target)) {
|
|
EnqueueError_ArgEnum("target", target);
|
|
return;
|
|
}
|
|
|
|
// -
|
|
|
|
auto& state = State();
|
|
|
|
switch (target) {
|
|
case LOCAL_GL_FRAMEBUFFER:
|
|
state.mBoundDrawFb = fb;
|
|
state.mBoundReadFb = fb;
|
|
break;
|
|
|
|
case LOCAL_GL_DRAW_FRAMEBUFFER:
|
|
state.mBoundDrawFb = fb;
|
|
break;
|
|
case LOCAL_GL_READ_FRAMEBUFFER:
|
|
state.mBoundReadFb = fb;
|
|
break;
|
|
|
|
default:
|
|
MOZ_CRASH();
|
|
}
|
|
|
|
// -
|
|
|
|
if (fb) {
|
|
fb->mHasBeenBound = true;
|
|
}
|
|
|
|
Run<RPROC(BindFramebuffer)>(target, fb ? fb->mId : 0);
|
|
}
|
|
|
|
// -
|
|
|
|
void ClientWebGLContext::FramebufferTexture2D(GLenum target, GLenum attachSlot,
|
|
GLenum bindImageTarget,
|
|
WebGLTextureJS* const tex,
|
|
GLint mipLevel) const {
|
|
const FuncScope funcScope(*this, "framebufferTexture2D");
|
|
if (IsContextLost()) return;
|
|
|
|
const auto bindTexTarget = ImageToTexTarget(bindImageTarget);
|
|
uint32_t zLayer = 0;
|
|
switch (bindTexTarget) {
|
|
case LOCAL_GL_TEXTURE_2D:
|
|
break;
|
|
case LOCAL_GL_TEXTURE_CUBE_MAP:
|
|
zLayer = bindImageTarget - LOCAL_GL_TEXTURE_CUBE_MAP_POSITIVE_X;
|
|
break;
|
|
default:
|
|
EnqueueError_ArgEnum("imageTarget", bindImageTarget);
|
|
return;
|
|
}
|
|
|
|
if (!mIsWebGL2 &&
|
|
!IsExtensionEnabled(WebGLExtensionID::OES_fbo_render_mipmap)) {
|
|
if (mipLevel != 0) {
|
|
EnqueueError(LOCAL_GL_INVALID_VALUE,
|
|
"mipLevel != 0 requires OES_fbo_render_mipmap.");
|
|
return;
|
|
}
|
|
}
|
|
|
|
FramebufferAttach(target, attachSlot, bindImageTarget, nullptr, tex,
|
|
static_cast<uint32_t>(mipLevel), zLayer, 0);
|
|
}
|
|
|
|
Maybe<webgl::ErrorInfo> CheckFramebufferAttach(const GLenum bindImageTarget,
|
|
const GLenum curTexTarget,
|
|
const uint32_t mipLevel,
|
|
const uint32_t zLayerBase,
|
|
const uint32_t zLayerCount,
|
|
const webgl::Limits& limits) {
|
|
auto texTarget = curTexTarget;
|
|
if (bindImageTarget) {
|
|
// FramebufferTexture2D
|
|
const auto bindTexTarget = ImageToTexTarget(bindImageTarget);
|
|
switch (bindTexTarget) {
|
|
case LOCAL_GL_TEXTURE_2D:
|
|
case LOCAL_GL_TEXTURE_CUBE_MAP:
|
|
break;
|
|
default:
|
|
return Some(webgl::ErrorInfo{
|
|
LOCAL_GL_INVALID_ENUM,
|
|
"`tex` must have been bound to target TEXTURE_2D_ARRAY."});
|
|
}
|
|
if (curTexTarget && curTexTarget != bindTexTarget) {
|
|
return Some(webgl::ErrorInfo{LOCAL_GL_INVALID_OPERATION,
|
|
"`tex` cannot be rebound to a new target."});
|
|
}
|
|
texTarget = bindTexTarget;
|
|
} else {
|
|
// FramebufferTextureLayer/Multiview
|
|
switch (curTexTarget) {
|
|
case LOCAL_GL_TEXTURE_2D_ARRAY:
|
|
case LOCAL_GL_TEXTURE_3D:
|
|
break;
|
|
default:
|
|
return Some(webgl::ErrorInfo{LOCAL_GL_INVALID_OPERATION,
|
|
"`tex` must have been bound to target "
|
|
"TEXTURE_2D_ARRAY or TEXTURE_3D."});
|
|
}
|
|
}
|
|
MOZ_ASSERT(texTarget);
|
|
uint32_t maxSize;
|
|
uint32_t maxZ;
|
|
switch (texTarget) {
|
|
case LOCAL_GL_TEXTURE_2D:
|
|
maxSize = limits.maxTex2dSize;
|
|
maxZ = 1;
|
|
break;
|
|
case LOCAL_GL_TEXTURE_CUBE_MAP:
|
|
maxSize = limits.maxTexCubeSize;
|
|
maxZ = 6;
|
|
break;
|
|
case LOCAL_GL_TEXTURE_2D_ARRAY:
|
|
maxSize = limits.maxTex2dSize;
|
|
maxZ = limits.maxTexArrayLayers;
|
|
break;
|
|
case LOCAL_GL_TEXTURE_3D:
|
|
maxSize = limits.maxTex3dSize;
|
|
maxZ = limits.maxTex3dSize;
|
|
break;
|
|
default:
|
|
MOZ_CRASH();
|
|
}
|
|
const auto maxMipLevel = FloorLog2(maxSize);
|
|
if (mipLevel > maxMipLevel) {
|
|
return Some(webgl::ErrorInfo{LOCAL_GL_INVALID_VALUE,
|
|
"`mipLevel` too large for texture target."});
|
|
}
|
|
const auto requiredZLayers = CheckedInt<uint32_t>(zLayerBase) + zLayerCount;
|
|
if (!requiredZLayers.isValid() || requiredZLayers.value() > maxZ) {
|
|
return Some(webgl::ErrorInfo{LOCAL_GL_INVALID_VALUE,
|
|
"`zLayer` too large for texture target."});
|
|
}
|
|
|
|
return {};
|
|
}
|
|
|
|
void ClientWebGLContext::FramebufferAttach(
|
|
const GLenum target, const GLenum attachSlot, const GLenum bindImageTarget,
|
|
WebGLRenderbufferJS* const rb, WebGLTextureJS* const tex,
|
|
const uint32_t mipLevel, const uint32_t zLayerBase,
|
|
const uint32_t numViewLayers) const {
|
|
if (rb && !rb->ValidateUsable(*this, "rb")) return;
|
|
if (tex && !tex->ValidateUsable(*this, "tex")) return;
|
|
const auto& state = State();
|
|
const auto& limits = Limits();
|
|
|
|
if (!IsFramebufferTarget(mIsWebGL2, target)) {
|
|
EnqueueError_ArgEnum("target", target);
|
|
return;
|
|
}
|
|
auto fb = state.mBoundDrawFb;
|
|
if (target == LOCAL_GL_READ_FRAMEBUFFER) {
|
|
fb = state.mBoundReadFb;
|
|
}
|
|
if (!fb) {
|
|
EnqueueError(LOCAL_GL_INVALID_OPERATION, "No framebuffer bound.");
|
|
return;
|
|
}
|
|
|
|
// -
|
|
// Multiview-specific validation skipped by Host.
|
|
|
|
if (tex && numViewLayers) {
|
|
if (tex->mTarget != LOCAL_GL_TEXTURE_2D_ARRAY) {
|
|
EnqueueError(LOCAL_GL_INVALID_OPERATION,
|
|
"`tex` must have been bound to target TEXTURE_2D_ARRAY.");
|
|
return;
|
|
}
|
|
if (numViewLayers > limits.maxMultiviewLayers) {
|
|
EnqueueError(LOCAL_GL_INVALID_VALUE,
|
|
"`numViews` (%u) must be <= MAX_VIEWS (%u).", numViewLayers,
|
|
limits.maxMultiviewLayers);
|
|
return;
|
|
}
|
|
}
|
|
|
|
// -
|
|
|
|
webgl::ObjectId id = 0;
|
|
if (tex) {
|
|
auto zLayerCount = numViewLayers;
|
|
if (!zLayerCount) {
|
|
zLayerCount = 1;
|
|
}
|
|
const auto err =
|
|
CheckFramebufferAttach(bindImageTarget, tex->mTarget, mipLevel,
|
|
zLayerBase, zLayerCount, limits);
|
|
if (err) {
|
|
EnqueueError(err->type, "%s", err->info.c_str());
|
|
return;
|
|
}
|
|
id = tex->mId;
|
|
} else if (rb) {
|
|
if (!rb->mHasBeenBound) {
|
|
EnqueueError(LOCAL_GL_INVALID_OPERATION,
|
|
"`rb` has not yet been bound with BindRenderbuffer.");
|
|
return;
|
|
}
|
|
id = rb->mId;
|
|
}
|
|
|
|
// Ready!
|
|
// But DEPTH_STENCIL in webgl2 is actually two slots!
|
|
|
|
const auto fnAttachTo = [&](const GLenum actualAttachSlot) {
|
|
const auto slot = fb->GetAttachment(actualAttachSlot);
|
|
if (!slot) {
|
|
EnqueueError_ArgEnum("attachment", actualAttachSlot);
|
|
return;
|
|
}
|
|
|
|
slot->rb = rb;
|
|
slot->tex = tex;
|
|
|
|
Run<RPROC(FramebufferAttach)>(target, actualAttachSlot, bindImageTarget, id,
|
|
mipLevel, zLayerBase, numViewLayers);
|
|
};
|
|
|
|
if (mIsWebGL2 && attachSlot == LOCAL_GL_DEPTH_STENCIL_ATTACHMENT) {
|
|
fnAttachTo(LOCAL_GL_DEPTH_ATTACHMENT);
|
|
fnAttachTo(LOCAL_GL_STENCIL_ATTACHMENT);
|
|
} else {
|
|
fnAttachTo(attachSlot);
|
|
}
|
|
|
|
if (bindImageTarget) {
|
|
if (rb) {
|
|
rb->mHasBeenBound = true;
|
|
}
|
|
if (tex) {
|
|
tex->mTarget = ImageToTexTarget(bindImageTarget);
|
|
}
|
|
}
|
|
}
|
|
|
|
// -
|
|
|
|
void ClientWebGLContext::BlitFramebuffer(GLint srcX0, GLint srcY0, GLint srcX1,
|
|
GLint srcY1, GLint dstX0, GLint dstY0,
|
|
GLint dstX1, GLint dstY1,
|
|
GLbitfield mask, GLenum filter) {
|
|
Run<RPROC(BlitFramebuffer)>(srcX0, srcY0, srcX1, srcY1, dstX0, dstY0, dstX1,
|
|
dstY1, mask, filter);
|
|
|
|
AfterDrawCall();
|
|
}
|
|
|
|
void ClientWebGLContext::InvalidateFramebuffer(
|
|
GLenum target, const dom::Sequence<GLenum>& attachments,
|
|
ErrorResult& unused) {
|
|
const auto range = MakeRange(attachments);
|
|
const auto& buffer = RawBufferView(range);
|
|
Run<RPROC(InvalidateFramebuffer)>(target, buffer);
|
|
|
|
// Never invalidate the backbuffer, so never needs AfterDrawCall.
|
|
}
|
|
|
|
void ClientWebGLContext::InvalidateSubFramebuffer(
|
|
GLenum target, const dom::Sequence<GLenum>& attachments, GLint x, GLint y,
|
|
GLsizei width, GLsizei height, ErrorResult& unused) {
|
|
const auto range = MakeRange(attachments);
|
|
const auto& buffer = RawBufferView(range);
|
|
Run<RPROC(InvalidateSubFramebuffer)>(target, buffer, x, y, width, height);
|
|
|
|
// Never invalidate the backbuffer, so never needs AfterDrawCall.
|
|
}
|
|
|
|
void ClientWebGLContext::ReadBuffer(GLenum mode) {
|
|
Run<RPROC(ReadBuffer)>(mode);
|
|
}
|
|
|
|
// ----------------------- Renderbuffer objects -----------------------
|
|
|
|
void ClientWebGLContext::BindRenderbuffer(const GLenum target,
|
|
WebGLRenderbufferJS* const rb) {
|
|
const FuncScope funcScope(*this, "bindRenderbuffer");
|
|
if (IsContextLost()) return;
|
|
if (rb && !rb->ValidateUsable(*this, "rb")) return;
|
|
auto& state = State();
|
|
|
|
if (target != LOCAL_GL_RENDERBUFFER) {
|
|
EnqueueError_ArgEnum("target", target);
|
|
return;
|
|
}
|
|
|
|
state.mBoundRb = rb;
|
|
if (rb) {
|
|
rb->mHasBeenBound = true;
|
|
}
|
|
}
|
|
|
|
void ClientWebGLContext::RenderbufferStorageMultisample(GLenum target,
|
|
GLsizei samples,
|
|
GLenum internalFormat,
|
|
GLsizei width,
|
|
GLsizei height) const {
|
|
const FuncScope funcScope(*this, "renderbufferStorageMultisample");
|
|
if (IsContextLost()) return;
|
|
|
|
if (target != LOCAL_GL_RENDERBUFFER) {
|
|
EnqueueError_ArgEnum("target", target);
|
|
return;
|
|
}
|
|
|
|
const auto& state = State();
|
|
|
|
const auto& rb = state.mBoundRb;
|
|
if (!rb) {
|
|
EnqueueError(LOCAL_GL_INVALID_OPERATION, "No renderbuffer bound");
|
|
return;
|
|
}
|
|
|
|
if (!ValidateNonNegative("width", width) ||
|
|
!ValidateNonNegative("height", height) ||
|
|
!ValidateNonNegative("samples", samples)) {
|
|
return;
|
|
}
|
|
|
|
Run<RPROC(RenderbufferStorageMultisample)>(
|
|
rb->mId, static_cast<uint32_t>(samples), internalFormat,
|
|
static_cast<uint32_t>(width), static_cast<uint32_t>(height));
|
|
}
|
|
|
|
// --------------------------- Texture objects ---------------------------
|
|
|
|
void ClientWebGLContext::ActiveTexture(const GLenum texUnitEnum) {
|
|
const FuncScope funcScope(*this, "activeTexture");
|
|
if (IsContextLost()) return;
|
|
|
|
if (texUnitEnum < LOCAL_GL_TEXTURE0) {
|
|
EnqueueError(LOCAL_GL_INVALID_VALUE,
|
|
"`texture` (0x%04x) must be >= TEXTURE0 (0x%04x).",
|
|
texUnitEnum, LOCAL_GL_TEXTURE0);
|
|
return;
|
|
}
|
|
|
|
const auto texUnit = texUnitEnum - LOCAL_GL_TEXTURE0;
|
|
|
|
auto& state = State();
|
|
if (texUnit >= state.mTexUnits.size()) {
|
|
EnqueueError(LOCAL_GL_INVALID_VALUE,
|
|
"TEXTURE%u must be < MAX_COMBINED_TEXTURE_IMAGE_UNITS (%zu).",
|
|
texUnit, state.mTexUnits.size());
|
|
return;
|
|
}
|
|
|
|
//-
|
|
|
|
state.mActiveTexUnit = texUnit;
|
|
Run<RPROC(ActiveTexture)>(texUnit);
|
|
}
|
|
|
|
static bool IsTexTarget(const GLenum texTarget, const bool webgl2) {
|
|
switch (texTarget) {
|
|
case LOCAL_GL_TEXTURE_2D:
|
|
case LOCAL_GL_TEXTURE_CUBE_MAP:
|
|
return true;
|
|
|
|
case LOCAL_GL_TEXTURE_2D_ARRAY:
|
|
case LOCAL_GL_TEXTURE_3D:
|
|
return webgl2;
|
|
|
|
default:
|
|
return false;
|
|
}
|
|
}
|
|
|
|
void ClientWebGLContext::BindTexture(const GLenum texTarget,
|
|
WebGLTextureJS* const tex) {
|
|
const FuncScope funcScope(*this, "bindTexture");
|
|
if (IsContextLost()) return;
|
|
if (tex && !tex->ValidateUsable(*this, "tex")) return;
|
|
|
|
if (!IsTexTarget(texTarget, mIsWebGL2)) {
|
|
EnqueueError_ArgEnum("texTarget", texTarget);
|
|
return;
|
|
}
|
|
|
|
if (tex && tex->mTarget) {
|
|
if (texTarget != tex->mTarget) {
|
|
EnqueueError(LOCAL_GL_INVALID_OPERATION,
|
|
"Texture previously bound to %s cannot be bound now to %s.",
|
|
EnumString(tex->mTarget).c_str(),
|
|
EnumString(texTarget).c_str());
|
|
return;
|
|
}
|
|
}
|
|
|
|
auto& state = State();
|
|
auto& texUnit = state.mTexUnits[state.mActiveTexUnit];
|
|
texUnit.texByTarget[texTarget] = tex;
|
|
if (tex) {
|
|
tex->mTarget = texTarget;
|
|
}
|
|
|
|
Run<RPROC(BindTexture)>(texTarget, tex ? tex->mId : 0);
|
|
}
|
|
|
|
void ClientWebGLContext::GenerateMipmap(GLenum texTarget) const {
|
|
Run<RPROC(GenerateMipmap)>(texTarget);
|
|
}
|
|
|
|
void ClientWebGLContext::GetTexParameter(
|
|
JSContext* cx, GLenum texTarget, GLenum pname,
|
|
JS::MutableHandle<JS::Value> retval) const {
|
|
retval.set(JS::NullValue());
|
|
const FuncScope funcScope(*this, "getTexParameter");
|
|
if (IsContextLost()) return;
|
|
auto& state = State();
|
|
|
|
auto& texUnit = state.mTexUnits[state.mActiveTexUnit];
|
|
|
|
const auto& tex = Find(texUnit.texByTarget, texTarget, nullptr);
|
|
if (!tex) {
|
|
if (!IsTexTarget(texTarget, mIsWebGL2)) {
|
|
EnqueueError_ArgEnum("texTarget", texTarget);
|
|
} else {
|
|
EnqueueError(LOCAL_GL_INVALID_OPERATION, "No texture bound to %s[%u].",
|
|
EnumString(texTarget).c_str(), state.mActiveTexUnit);
|
|
}
|
|
return;
|
|
}
|
|
|
|
const auto maybe = Run<RPROC(GetTexParameter)>(tex->mId, pname);
|
|
if (maybe) {
|
|
switch (pname) {
|
|
case LOCAL_GL_TEXTURE_IMMUTABLE_FORMAT:
|
|
retval.set(JS::BooleanValue(*maybe));
|
|
break;
|
|
|
|
default:
|
|
retval.set(JS::NumberValue(*maybe));
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
void ClientWebGLContext::TexParameterf(GLenum texTarget, GLenum pname,
|
|
GLfloat param) {
|
|
Run<RPROC(TexParameter_base)>(texTarget, pname, FloatOrInt(param));
|
|
}
|
|
|
|
void ClientWebGLContext::TexParameteri(GLenum texTarget, GLenum pname,
|
|
GLint param) {
|
|
Run<RPROC(TexParameter_base)>(texTarget, pname, FloatOrInt(param));
|
|
}
|
|
|
|
////////////////////////////////////
|
|
|
|
static GLenum JSTypeMatchUnpackTypeError(GLenum unpackType,
|
|
js::Scalar::Type jsType) {
|
|
bool matches = false;
|
|
switch (unpackType) {
|
|
case LOCAL_GL_BYTE:
|
|
matches = (jsType == js::Scalar::Type::Int8);
|
|
break;
|
|
|
|
case LOCAL_GL_UNSIGNED_BYTE:
|
|
matches = (jsType == js::Scalar::Type::Uint8 ||
|
|
jsType == js::Scalar::Type::Uint8Clamped);
|
|
break;
|
|
|
|
case LOCAL_GL_SHORT:
|
|
matches = (jsType == js::Scalar::Type::Int16);
|
|
break;
|
|
|
|
case LOCAL_GL_UNSIGNED_SHORT:
|
|
case LOCAL_GL_UNSIGNED_SHORT_4_4_4_4:
|
|
case LOCAL_GL_UNSIGNED_SHORT_5_5_5_1:
|
|
case LOCAL_GL_UNSIGNED_SHORT_5_6_5:
|
|
case LOCAL_GL_HALF_FLOAT:
|
|
case LOCAL_GL_HALF_FLOAT_OES:
|
|
matches = (jsType == js::Scalar::Type::Uint16);
|
|
break;
|
|
|
|
case LOCAL_GL_INT:
|
|
matches = (jsType == js::Scalar::Type::Int32);
|
|
break;
|
|
|
|
case LOCAL_GL_UNSIGNED_INT:
|
|
case LOCAL_GL_UNSIGNED_INT_2_10_10_10_REV:
|
|
case LOCAL_GL_UNSIGNED_INT_10F_11F_11F_REV:
|
|
case LOCAL_GL_UNSIGNED_INT_5_9_9_9_REV:
|
|
case LOCAL_GL_UNSIGNED_INT_24_8:
|
|
matches = (jsType == js::Scalar::Type::Uint32);
|
|
break;
|
|
|
|
case LOCAL_GL_FLOAT:
|
|
matches = (jsType == js::Scalar::Type::Float32);
|
|
break;
|
|
|
|
case LOCAL_GL_FLOAT_32_UNSIGNED_INT_24_8_REV:
|
|
matches = false; // No valid jsType, but we allow uploads with null.
|
|
break;
|
|
|
|
default:
|
|
return LOCAL_GL_INVALID_ENUM;
|
|
}
|
|
if (!matches) return LOCAL_GL_INVALID_OPERATION;
|
|
return 0;
|
|
}
|
|
|
|
static std::string ToString(const js::Scalar::Type type) {
|
|
switch (type) {
|
|
#define _(X) \
|
|
case js::Scalar::Type::X: \
|
|
return #X;
|
|
_(Int8)
|
|
_(Uint8)
|
|
_(Uint8Clamped)
|
|
_(Int16)
|
|
_(Uint16)
|
|
_(Int32)
|
|
_(Uint32)
|
|
_(Float32)
|
|
#undef _
|
|
default:
|
|
break;
|
|
}
|
|
MOZ_ASSERT(false);
|
|
return std::string("#") + std::to_string(EnumValue(type));
|
|
}
|
|
|
|
/////////////////////////////////////////////////
|
|
|
|
static inline uvec2 CastUvec2(const ivec2& val) {
|
|
return {static_cast<uint32_t>(val.x), static_cast<uint32_t>(val.y)};
|
|
}
|
|
|
|
static inline uvec3 CastUvec3(const ivec3& val) {
|
|
return {static_cast<uint32_t>(val.x), static_cast<uint32_t>(val.y),
|
|
static_cast<uint32_t>(val.z)};
|
|
}
|
|
|
|
template <typename T>
|
|
Range<T> SubRange(const Range<T>& full, const size_t offset,
|
|
const size_t length) {
|
|
const auto newBegin = full.begin() + offset;
|
|
return Range<T>{newBegin, newBegin + length};
|
|
}
|
|
|
|
Maybe<Range<const uint8_t>> GetRangeFromView(const dom::ArrayBufferView& view,
|
|
GLuint elemOffset,
|
|
GLuint elemCountOverride) {
|
|
const auto byteRange = MakeRangeAbv(view); // In bytes.
|
|
const auto& elemType = view.Type();
|
|
const auto bytesPerElem = js::Scalar::byteSize(elemType);
|
|
|
|
auto elemCount = byteRange.length() / bytesPerElem;
|
|
if (elemOffset > elemCount) return {};
|
|
elemCount -= elemOffset;
|
|
|
|
if (elemCountOverride) {
|
|
if (elemCountOverride > elemCount) return {};
|
|
elemCount = elemCountOverride;
|
|
}
|
|
const auto subrange =
|
|
SubRange(byteRange, elemOffset * bytesPerElem, elemCount * bytesPerElem);
|
|
return Some(subrange);
|
|
}
|
|
|
|
// -
|
|
|
|
static bool IsTexTargetForDims(const GLenum texTarget, const bool webgl2,
|
|
const uint8_t funcDims) {
|
|
if (!IsTexTarget(texTarget, webgl2)) return false;
|
|
switch (texTarget) {
|
|
case LOCAL_GL_TEXTURE_2D:
|
|
case LOCAL_GL_TEXTURE_CUBE_MAP:
|
|
return funcDims == 2;
|
|
|
|
default:
|
|
return funcDims == 3;
|
|
}
|
|
}
|
|
|
|
void ClientWebGLContext::TexStorage(uint8_t funcDims, GLenum texTarget,
|
|
GLsizei levels, GLenum internalFormat,
|
|
const ivec3& size) const {
|
|
const FuncScope funcScope(*this, "texStorage[23]D");
|
|
if (IsContextLost()) return;
|
|
if (!IsTexTargetForDims(texTarget, mIsWebGL2, funcDims)) {
|
|
EnqueueError_ArgEnum("texTarget", texTarget);
|
|
return;
|
|
}
|
|
Run<RPROC(TexStorage)>(texTarget, static_cast<uint32_t>(levels),
|
|
internalFormat, CastUvec3(size));
|
|
}
|
|
|
|
void ClientWebGLContext::TexImage(uint8_t funcDims, GLenum imageTarget,
|
|
GLint level, GLenum respecFormat,
|
|
const ivec3& offset, const ivec3& size,
|
|
GLint border, const webgl::PackingInfo& pi,
|
|
const TexImageSource& src) const {
|
|
const FuncScope funcScope(*this, "tex(Sub)Image[23]D");
|
|
if (IsContextLost()) return;
|
|
if (!IsTexTargetForDims(ImageToTexTarget(imageTarget), mIsWebGL2, funcDims)) {
|
|
EnqueueError_ArgEnum("imageTarget", imageTarget);
|
|
return;
|
|
}
|
|
if (border != 0) {
|
|
EnqueueError(LOCAL_GL_INVALID_VALUE, "`border` must be 0.");
|
|
return;
|
|
}
|
|
|
|
if (src.mView) {
|
|
const auto& view = *src.mView;
|
|
const auto& jsType = view.Type();
|
|
const auto err = JSTypeMatchUnpackTypeError(pi.type, jsType);
|
|
switch (err) {
|
|
case LOCAL_GL_INVALID_ENUM:
|
|
EnqueueError_ArgEnum("unpackType", pi.type);
|
|
return;
|
|
case LOCAL_GL_INVALID_OPERATION:
|
|
EnqueueError(LOCAL_GL_INVALID_OPERATION,
|
|
"ArrayBufferView type %s not compatible with `type` %s.",
|
|
ToString(jsType).c_str(), EnumString(pi.type).c_str());
|
|
return;
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
|
|
// TODO: Convert TexImageSource into something IPC-capable.
|
|
Run<RPROC(TexImage)>(imageTarget, static_cast<uint32_t>(level), respecFormat,
|
|
CastUvec3(offset), CastUvec3(size), pi, src,
|
|
*GetCanvas());
|
|
}
|
|
|
|
void ClientWebGLContext::CompressedTexImage(bool sub, uint8_t funcDims,
|
|
GLenum imageTarget, GLint level,
|
|
GLenum format, const ivec3& offset,
|
|
const ivec3& size, GLint border,
|
|
const TexImageSource& src,
|
|
GLsizei pboImageSize) const {
|
|
const FuncScope funcScope(*this, "compressedTex(Sub)Image[23]D");
|
|
if (IsContextLost()) return;
|
|
if (!IsTexTargetForDims(ImageToTexTarget(imageTarget), mIsWebGL2, funcDims)) {
|
|
EnqueueError_ArgEnum("imageTarget", imageTarget);
|
|
return;
|
|
}
|
|
if (border != 0) {
|
|
EnqueueError(LOCAL_GL_INVALID_VALUE, "`border` must be 0.");
|
|
return;
|
|
}
|
|
|
|
RawBuffer<const uint8_t> bufferView;
|
|
Maybe<uint64_t> pboOffset;
|
|
if (src.mView) {
|
|
const auto range = GetRangeFromView(*src.mView, src.mViewElemOffset,
|
|
src.mViewElemLengthOverride);
|
|
if (!range) {
|
|
EnqueueError(LOCAL_GL_INVALID_VALUE, "`source` too small.");
|
|
return;
|
|
}
|
|
bufferView =
|
|
RawBuffer<const uint8_t>(range->length(), range->begin().get());
|
|
} else if (src.mPboOffset) {
|
|
if (!ValidateNonNegative("offset", *src.mPboOffset)) return;
|
|
pboOffset = Some(*src.mPboOffset);
|
|
} else {
|
|
MOZ_CRASH("impossible");
|
|
}
|
|
|
|
Run<RPROC(CompressedTexImage)>(
|
|
sub, imageTarget, static_cast<uint32_t>(level), format, CastUvec3(offset),
|
|
CastUvec3(size), bufferView, static_cast<uint32_t>(pboImageSize),
|
|
pboOffset);
|
|
}
|
|
|
|
void ClientWebGLContext::CopyTexImage(uint8_t funcDims, GLenum imageTarget,
|
|
GLint level, GLenum respecFormat,
|
|
const ivec3& dstOffset,
|
|
const ivec2& srcOffset, const ivec2& size,
|
|
GLint border) const {
|
|
const FuncScope funcScope(*this, "copy(Sub)Image[23]D");
|
|
if (IsContextLost()) return;
|
|
if (!IsTexTargetForDims(ImageToTexTarget(imageTarget), mIsWebGL2, funcDims)) {
|
|
EnqueueError_ArgEnum("imageTarget", imageTarget);
|
|
return;
|
|
}
|
|
if (border != 0) {
|
|
EnqueueError(LOCAL_GL_INVALID_VALUE, "`border` must be 0.");
|
|
return;
|
|
}
|
|
Run<RPROC(CopyTexImage)>(imageTarget, static_cast<uint32_t>(level),
|
|
respecFormat, CastUvec3(dstOffset), srcOffset,
|
|
CastUvec2(size));
|
|
}
|
|
|
|
// ------------------- Programs and shaders --------------------------------
|
|
|
|
void ClientWebGLContext::UseProgram(WebGLProgramJS* const prog) {
|
|
const FuncScope funcScope(*this, "useProgram");
|
|
if (IsContextLost()) return;
|
|
if (prog && !prog->ValidateUsable(*this, "prog")) return;
|
|
|
|
auto& state = State();
|
|
|
|
if (state.mTfActiveAndNotPaused) {
|
|
EnqueueError(LOCAL_GL_INVALID_OPERATION,
|
|
"Transform feedback is active and not paused.");
|
|
return;
|
|
}
|
|
|
|
if (prog) {
|
|
const auto& res = GetLinkResult(*prog);
|
|
if (!res.success) {
|
|
EnqueueError(LOCAL_GL_INVALID_OPERATION,
|
|
"Program must be linked successfully.");
|
|
return;
|
|
}
|
|
}
|
|
|
|
// -
|
|
|
|
state.mCurrentProgram = prog;
|
|
state.mProgramKeepAlive = prog ? prog->mKeepAliveWeak.lock() : nullptr;
|
|
state.mActiveLinkResult = prog ? prog->mResult : nullptr;
|
|
|
|
Run<RPROC(UseProgram)>(prog ? prog->mId : 0);
|
|
}
|
|
|
|
void ClientWebGLContext::ValidateProgram(WebGLProgramJS& prog) const {
|
|
const FuncScope funcScope(*this, "validateProgram");
|
|
if (IsContextLost()) return;
|
|
if (!prog.ValidateUsable(*this, "prog")) return;
|
|
prog.mLastValidate = Run<RPROC(ValidateProgram)>(prog.mId);
|
|
}
|
|
|
|
// ------------------------ Uniforms and attributes ------------------------
|
|
|
|
void ClientWebGLContext::GetVertexAttrib(JSContext* cx, GLuint index,
|
|
GLenum pname,
|
|
JS::MutableHandle<JS::Value> retval,
|
|
ErrorResult& rv) {
|
|
retval.set(JS::NullValue());
|
|
const FuncScope funcScope(*this, "getVertexAttrib");
|
|
if (IsContextLost()) return;
|
|
const auto& state = State();
|
|
|
|
const auto& genericAttribs = state.mGenericVertexAttribs;
|
|
if (index >= genericAttribs.size()) {
|
|
EnqueueError(LOCAL_GL_INVALID_VALUE, "`index` (%u) >= MAX_VERTEX_ATTRIBS",
|
|
index);
|
|
return;
|
|
}
|
|
|
|
switch (pname) {
|
|
case LOCAL_GL_CURRENT_VERTEX_ATTRIB: {
|
|
JS::RootedObject obj(cx);
|
|
|
|
const auto& attrib = genericAttribs[index];
|
|
switch (attrib.type) {
|
|
case webgl::AttribBaseType::Float:
|
|
obj = dom::Float32Array::Create(
|
|
cx, this, 4, reinterpret_cast<const float*>(attrib.data));
|
|
break;
|
|
case webgl::AttribBaseType::Int:
|
|
obj = dom::Int32Array::Create(
|
|
cx, this, 4, reinterpret_cast<const int32_t*>(attrib.data));
|
|
break;
|
|
case webgl::AttribBaseType::Uint:
|
|
obj = dom::Uint32Array::Create(
|
|
cx, this, 4, reinterpret_cast<const uint32_t*>(attrib.data));
|
|
break;
|
|
case webgl::AttribBaseType::Boolean:
|
|
MOZ_CRASH("impossible");
|
|
}
|
|
|
|
if (!obj) {
|
|
rv.Throw(NS_ERROR_OUT_OF_MEMORY);
|
|
return;
|
|
}
|
|
retval.set(JS::ObjectValue(*obj));
|
|
return;
|
|
}
|
|
|
|
case LOCAL_GL_VERTEX_ATTRIB_ARRAY_BUFFER_BINDING: {
|
|
const auto& buffers = state.mBoundVao->mAttribBuffers;
|
|
const auto& buffer = buffers[index];
|
|
(void)ToJSValueOrNull(cx, buffer, retval);
|
|
return;
|
|
}
|
|
|
|
case LOCAL_GL_VERTEX_ATTRIB_ARRAY_POINTER:
|
|
// Disallowed from JS, but allowed in Host.
|
|
EnqueueError_ArgEnum("pname", pname);
|
|
return;
|
|
|
|
default:
|
|
break;
|
|
}
|
|
|
|
const auto maybe = Run<RPROC(GetVertexAttrib)>(index, pname);
|
|
if (maybe) {
|
|
switch (pname) {
|
|
case LOCAL_GL_VERTEX_ATTRIB_ARRAY_ENABLED:
|
|
case LOCAL_GL_VERTEX_ATTRIB_ARRAY_NORMALIZED:
|
|
case LOCAL_GL_VERTEX_ATTRIB_ARRAY_INTEGER:
|
|
retval.set(JS::BooleanValue(*maybe));
|
|
break;
|
|
|
|
default:
|
|
retval.set(JS::NumberValue(*maybe));
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
void ClientWebGLContext::UniformData(const GLenum funcElemType,
|
|
const WebGLUniformLocationJS* const loc,
|
|
bool transpose,
|
|
const Range<const uint8_t>& bytes,
|
|
GLuint elemOffset,
|
|
GLuint elemCountOverride) const {
|
|
const FuncScope funcScope(*this, "uniform setter");
|
|
if (IsContextLost()) return;
|
|
|
|
if (!mIsWebGL2 && transpose) {
|
|
EnqueueError(LOCAL_GL_INVALID_VALUE, "`transpose`:true requires WebGL 2.");
|
|
return;
|
|
}
|
|
|
|
const auto& activeLinkResult = GetActiveLinkResult();
|
|
if (!activeLinkResult) {
|
|
EnqueueError(LOCAL_GL_INVALID_OPERATION, "No active linked Program.");
|
|
return;
|
|
}
|
|
|
|
// -
|
|
|
|
auto availCount = bytes.length() / sizeof(float);
|
|
if (elemOffset > availCount) {
|
|
EnqueueError(LOCAL_GL_INVALID_VALUE, "`elemOffset` too large for `data`.");
|
|
return;
|
|
}
|
|
availCount -= elemOffset;
|
|
if (elemCountOverride) {
|
|
if (elemCountOverride > availCount) {
|
|
EnqueueError(LOCAL_GL_INVALID_VALUE,
|
|
"`elemCountOverride` too large for `data`.");
|
|
return;
|
|
}
|
|
availCount = elemCountOverride;
|
|
}
|
|
|
|
// -
|
|
|
|
if (!loc) {
|
|
// We need to catch INVALID_VALUEs from bad-sized `bytes`. :S
|
|
// For non-null `loc`, the Host side handles this safely.
|
|
const auto lengthInType = bytes.length() / sizeof(float);
|
|
const auto channels = ElemTypeComponents(funcElemType);
|
|
if (!lengthInType || lengthInType % channels != 0) {
|
|
EnqueueError(LOCAL_GL_INVALID_VALUE,
|
|
"`values` length (%u) must be a positive integer multiple "
|
|
"of size of %s.",
|
|
lengthInType, EnumString(funcElemType).c_str());
|
|
return;
|
|
}
|
|
return; // All that validation for a no-op!
|
|
}
|
|
if (!loc->ValidateUsable(*this, "location")) return;
|
|
|
|
// -
|
|
|
|
const auto& reqLinkInfo = loc->mParent.lock();
|
|
if (reqLinkInfo.get() != activeLinkResult) {
|
|
EnqueueError(LOCAL_GL_INVALID_OPERATION,
|
|
"UniformLocation is not from the current active Program.");
|
|
return;
|
|
}
|
|
|
|
// -
|
|
|
|
bool funcMatchesLocation = false;
|
|
for (const auto allowed : loc->mValidUploadElemTypes) {
|
|
funcMatchesLocation |= (funcElemType == allowed);
|
|
}
|
|
if (MOZ_UNLIKELY(!funcMatchesLocation)) {
|
|
std::string validSetters;
|
|
for (const auto allowed : loc->mValidUploadElemTypes) {
|
|
validSetters += EnumString(allowed);
|
|
validSetters += '/';
|
|
}
|
|
validSetters.pop_back(); // Cheekily discard the extra trailing '/'.
|
|
|
|
EnqueueError(LOCAL_GL_INVALID_OPERATION,
|
|
"Uniform's `type` requires uniform setter of type %s.",
|
|
validSetters.c_str());
|
|
return;
|
|
}
|
|
|
|
// -
|
|
|
|
const auto ptr = bytes.begin().get() + (elemOffset * sizeof(float));
|
|
const auto buffer = RawBuffer<const uint8_t>(availCount * sizeof(float), ptr);
|
|
Run<RPROC(UniformData)>(loc->mLocation, transpose, buffer);
|
|
}
|
|
|
|
// -
|
|
|
|
void ClientWebGLContext::BindVertexArray(WebGLVertexArrayJS* const vao) {
|
|
const FuncScope funcScope(*this, "bindVertexArray");
|
|
if (IsContextLost()) return;
|
|
if (vao && !vao->ValidateUsable(*this, "vao")) return;
|
|
auto& state = State();
|
|
|
|
if (vao) {
|
|
vao->mHasBeenBound = true;
|
|
state.mBoundVao = vao;
|
|
} else {
|
|
state.mBoundVao = state.mDefaultVao;
|
|
}
|
|
|
|
Run<RPROC(BindVertexArray)>(vao ? vao->mId : 0);
|
|
}
|
|
|
|
void ClientWebGLContext::EnableVertexAttribArray(GLuint index) {
|
|
Run<RPROC(EnableVertexAttribArray)>(index);
|
|
}
|
|
|
|
void ClientWebGLContext::DisableVertexAttribArray(GLuint index) {
|
|
Run<RPROC(DisableVertexAttribArray)>(index);
|
|
}
|
|
|
|
WebGLsizeiptr ClientWebGLContext::GetVertexAttribOffset(GLuint index,
|
|
GLenum pname) {
|
|
const FuncScope funcScope(*this, "getVertexAttribOffset");
|
|
if (IsContextLost()) return 0;
|
|
|
|
if (pname != LOCAL_GL_VERTEX_ATTRIB_ARRAY_POINTER) {
|
|
EnqueueError_ArgEnum("pname", pname);
|
|
return 0;
|
|
}
|
|
|
|
const auto maybe = Run<RPROC(GetVertexAttrib)>(index, pname);
|
|
if (!maybe) return 0;
|
|
return *maybe;
|
|
}
|
|
|
|
void ClientWebGLContext::VertexAttrib4Tv(GLuint index, webgl::AttribBaseType t,
|
|
const Range<const uint8_t>& src) {
|
|
const FuncScope funcScope(*this, "vertexAttrib[1234]u?[fi]{v}");
|
|
if (IsContextLost()) return;
|
|
auto& state = State();
|
|
|
|
if (src.length() / sizeof(float) < 4) {
|
|
EnqueueError(LOCAL_GL_INVALID_VALUE, "Array must have >=4 elements.");
|
|
return;
|
|
}
|
|
|
|
auto& list = state.mGenericVertexAttribs;
|
|
if (index >= list.size()) {
|
|
EnqueueError(LOCAL_GL_INVALID_VALUE,
|
|
"`index` must be < MAX_VERTEX_ATTRIBS.");
|
|
return;
|
|
}
|
|
|
|
auto& attrib = list[index];
|
|
attrib.type = t;
|
|
memcpy(attrib.data, src.begin().get(), sizeof(attrib.data));
|
|
|
|
Run<RPROC(VertexAttrib4T)>(index, attrib);
|
|
}
|
|
|
|
// -
|
|
|
|
void ClientWebGLContext::VertexAttribDivisor(GLuint index, GLuint divisor) {
|
|
Run<RPROC(VertexAttribDivisor)>(index, divisor);
|
|
}
|
|
|
|
// -
|
|
|
|
void ClientWebGLContext::VertexAttribPointerImpl(bool isFuncInt, GLuint index,
|
|
GLint size, GLenum type,
|
|
bool normalized,
|
|
GLsizei iStride,
|
|
WebGLintptr iByteOffset) {
|
|
const FuncScope funcScope(*this, "vertexAttribI?Pointer");
|
|
if (IsContextLost()) return;
|
|
auto& state = State();
|
|
|
|
if (!ValidateNonNegative("stride", iStride)) return;
|
|
if (!ValidateNonNegative("byteOffset", iByteOffset)) return;
|
|
const auto stride = static_cast<uint64_t>(iStride);
|
|
const auto byteOffset = static_cast<uint64_t>(iByteOffset);
|
|
|
|
const auto err = CheckVertexAttribPointer(mIsWebGL2, isFuncInt, size, type,
|
|
normalized, stride, byteOffset);
|
|
if (err) {
|
|
EnqueueError(err->type, "%s", err->info.c_str());
|
|
return;
|
|
}
|
|
|
|
auto& list = state.mBoundVao->mAttribBuffers;
|
|
if (index >= list.size()) {
|
|
EnqueueError(LOCAL_GL_INVALID_VALUE,
|
|
"`index` (%u) must be < MAX_VERTEX_ATTRIBS.", index);
|
|
return;
|
|
}
|
|
|
|
const auto buffer = state.mBoundBufferByTarget[LOCAL_GL_ARRAY_BUFFER];
|
|
if (!buffer && byteOffset) {
|
|
return EnqueueError(LOCAL_GL_INVALID_OPERATION,
|
|
"If ARRAY_BUFFER is null, byteOffset must be zero.");
|
|
}
|
|
|
|
Run<RPROC(VertexAttribPointer)>(isFuncInt, index, size, type, normalized,
|
|
stride, byteOffset);
|
|
|
|
list[index] = buffer;
|
|
}
|
|
|
|
// -------------------------------- Drawing -------------------------------
|
|
|
|
void ClientWebGLContext::DrawArraysInstanced(GLenum mode, GLint first,
|
|
GLsizei count, GLsizei primcount,
|
|
FuncScopeId) {
|
|
Run<RPROC(DrawArraysInstanced)>(mode, first, count, primcount);
|
|
AfterDrawCall();
|
|
}
|
|
|
|
void ClientWebGLContext::DrawElementsInstanced(GLenum mode, GLsizei count,
|
|
GLenum type, WebGLintptr offset,
|
|
GLsizei primcount, FuncScopeId) {
|
|
Run<RPROC(DrawElementsInstanced)>(mode, count, type, offset, primcount);
|
|
AfterDrawCall();
|
|
}
|
|
|
|
// ------------------------------ Readback -------------------------------
|
|
void ClientWebGLContext::ReadPixels(GLint x, GLint y, GLsizei width,
|
|
GLsizei height, GLenum format, GLenum type,
|
|
WebGLsizeiptr offset,
|
|
dom::CallerType aCallerType,
|
|
ErrorResult& out_error) const {
|
|
const FuncScope funcScope(*this, "readPixels");
|
|
if (!ReadPixels_SharedPrecheck(aCallerType, out_error)) return;
|
|
if (!ValidateNonNegative("offset", offset)) return;
|
|
Run<RPROC(ReadPixelsPbo)>(x, y, width, height, format, type,
|
|
static_cast<uint64_t>(offset));
|
|
}
|
|
|
|
void ClientWebGLContext::ReadPixels(GLint x, GLint y, GLsizei width,
|
|
GLsizei height, GLenum format, GLenum type,
|
|
const dom::ArrayBufferView& dstData,
|
|
GLuint dstElemOffset,
|
|
dom::CallerType aCallerType,
|
|
ErrorResult& out_error) const {
|
|
const FuncScope funcScope(*this, "readPixels");
|
|
if (!ReadPixels_SharedPrecheck(aCallerType, out_error)) return;
|
|
|
|
////
|
|
|
|
js::Scalar::Type reqScalarType;
|
|
if (!GetJSScalarFromGLType(type, &reqScalarType)) {
|
|
nsCString name;
|
|
WebGLContext::EnumName(type, &name);
|
|
EnqueueError(LOCAL_GL_INVALID_ENUM, "type: invalid enum value %s",
|
|
name.BeginReading());
|
|
return;
|
|
}
|
|
|
|
const auto& viewElemType = dstData.Type();
|
|
if (viewElemType != reqScalarType) {
|
|
EnqueueError(LOCAL_GL_INVALID_OPERATION,
|
|
"`pixels` type does not match `type`.");
|
|
return;
|
|
}
|
|
|
|
uint8_t* bytes;
|
|
size_t byteLen;
|
|
if (!ValidateArrayBufferView(dstData, dstElemOffset, 0,
|
|
LOCAL_GL_INVALID_VALUE, &bytes, &byteLen)) {
|
|
return;
|
|
}
|
|
const auto range = Range<uint8_t>(bytes, byteLen);
|
|
auto view = RawBufferView(range);
|
|
Run<RPROC(ReadPixels)>(x, y, width, height, format, type, view);
|
|
}
|
|
|
|
bool ClientWebGLContext::ReadPixels_SharedPrecheck(
|
|
CallerType aCallerType, ErrorResult& out_error) const {
|
|
if (mCanvasElement && mCanvasElement->IsWriteOnly() &&
|
|
aCallerType != CallerType::System) {
|
|
JsWarning("readPixels: Not allowed");
|
|
out_error.Throw(NS_ERROR_DOM_SECURITY_ERR);
|
|
return false;
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
// --------------------------------- GL Query ---------------------------------
|
|
|
|
static inline GLenum QuerySlotTarget(const GLenum specificTarget) {
|
|
if (specificTarget == LOCAL_GL_ANY_SAMPLES_PASSED_CONSERVATIVE) {
|
|
return LOCAL_GL_ANY_SAMPLES_PASSED;
|
|
}
|
|
return specificTarget;
|
|
}
|
|
|
|
void ClientWebGLContext::GetQuery(JSContext* cx, GLenum specificTarget,
|
|
GLenum pname,
|
|
JS::MutableHandle<JS::Value> retval) const {
|
|
retval.set(JS::NullValue());
|
|
const FuncScope funcScope(*this, "getQuery");
|
|
if (IsContextLost()) return;
|
|
const auto& limits = Limits();
|
|
auto& state = State();
|
|
|
|
if (IsExtensionEnabled(WebGLExtensionID::EXT_disjoint_timer_query)) {
|
|
if (pname == LOCAL_GL_QUERY_COUNTER_BITS) {
|
|
switch (specificTarget) {
|
|
case LOCAL_GL_TIME_ELAPSED_EXT:
|
|
retval.set(JS::NumberValue(limits.queryCounterBitsTimeElapsed));
|
|
return;
|
|
|
|
case LOCAL_GL_TIMESTAMP_EXT:
|
|
retval.set(JS::NumberValue(limits.queryCounterBitsTimestamp));
|
|
return;
|
|
|
|
default:
|
|
EnqueueError_ArgEnum("target", specificTarget);
|
|
return;
|
|
}
|
|
}
|
|
}
|
|
|
|
if (pname != LOCAL_GL_CURRENT_QUERY) {
|
|
EnqueueError_ArgEnum("pname", pname);
|
|
return;
|
|
}
|
|
|
|
const auto slotTarget = QuerySlotTarget(specificTarget);
|
|
const auto& slot = MaybeFind(state.mCurrentQueryByTarget, slotTarget);
|
|
if (!slot) {
|
|
EnqueueError_ArgEnum("target", specificTarget);
|
|
return;
|
|
}
|
|
|
|
auto query = *slot;
|
|
if (query && query->mTarget != specificTarget) {
|
|
query = nullptr;
|
|
}
|
|
|
|
(void)ToJSValueOrNull(cx, query, retval);
|
|
}
|
|
|
|
void ClientWebGLContext::GetQueryParameter(
|
|
JSContext*, WebGLQueryJS& query, const GLenum pname,
|
|
JS::MutableHandle<JS::Value> retval) const {
|
|
retval.set(JS::NullValue());
|
|
const FuncScope funcScope(*this, "getQueryParameter");
|
|
if (IsContextLost()) return;
|
|
if (!query.ValidateUsable(*this, "query")) return;
|
|
|
|
const auto maybe = Run<RPROC(GetQueryParameter)>(query.mId, pname);
|
|
if (maybe) {
|
|
switch (pname) {
|
|
case LOCAL_GL_QUERY_RESULT_AVAILABLE:
|
|
retval.set(JS::BooleanValue(*maybe));
|
|
break;
|
|
|
|
default:
|
|
retval.set(JS::NumberValue(*maybe));
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
void ClientWebGLContext::BeginQuery(const GLenum specificTarget,
|
|
WebGLQueryJS& query) {
|
|
const FuncScope funcScope(*this, "beginQuery");
|
|
if (IsContextLost()) return;
|
|
if (!query.ValidateUsable(*this, "query")) return;
|
|
auto& state = State();
|
|
|
|
const auto slotTarget = QuerySlotTarget(specificTarget);
|
|
const auto& slot = MaybeFind(state.mCurrentQueryByTarget, slotTarget);
|
|
if (!slot) {
|
|
EnqueueError_ArgEnum("target", specificTarget);
|
|
return;
|
|
}
|
|
|
|
if (*slot) {
|
|
auto enumStr = EnumString(slotTarget);
|
|
if (slotTarget == LOCAL_GL_ANY_SAMPLES_PASSED) {
|
|
enumStr += "/ANY_SAMPLES_PASSED_CONSERVATIVE";
|
|
}
|
|
EnqueueError(LOCAL_GL_INVALID_OPERATION,
|
|
"A Query is already active for %s.", enumStr.c_str());
|
|
return;
|
|
}
|
|
|
|
if (query.mTarget && query.mTarget != specificTarget) {
|
|
EnqueueError(LOCAL_GL_INVALID_OPERATION,
|
|
"`query` cannot be changed to a different target.");
|
|
return;
|
|
}
|
|
|
|
*slot = &query;
|
|
query.mTarget = specificTarget;
|
|
|
|
Run<RPROC(BeginQuery)>(specificTarget, query.mId);
|
|
}
|
|
|
|
void ClientWebGLContext::EndQuery(const GLenum specificTarget) {
|
|
const FuncScope funcScope(*this, "endQuery");
|
|
if (IsContextLost()) return;
|
|
auto& state = State();
|
|
|
|
const auto slotTarget = QuerySlotTarget(specificTarget);
|
|
const auto& maybeSlot = MaybeFind(state.mCurrentQueryByTarget, slotTarget);
|
|
if (!maybeSlot) {
|
|
EnqueueError_ArgEnum("target", specificTarget);
|
|
return;
|
|
}
|
|
auto& slot = *maybeSlot;
|
|
if (!slot || slot->mTarget != specificTarget) {
|
|
EnqueueError(LOCAL_GL_INVALID_OPERATION, "No Query is active for %s.",
|
|
EnumString(specificTarget).c_str());
|
|
return;
|
|
}
|
|
if (slot->mDeleteRequested) {
|
|
slot->mIsFullyDeleted = true;
|
|
}
|
|
|
|
slot = nullptr;
|
|
|
|
Run<RPROC(EndQuery)>(specificTarget);
|
|
}
|
|
|
|
void ClientWebGLContext::QueryCounter(WebGLQueryJS& query,
|
|
const GLenum target) const {
|
|
const FuncScope funcScope(*this, "queryCounter");
|
|
if (IsContextLost()) return;
|
|
if (!query.ValidateUsable(*this, "query")) return;
|
|
|
|
if (target != LOCAL_GL_TIMESTAMP) {
|
|
EnqueueError(LOCAL_GL_INVALID_ENUM, "`target` must be TIMESTAMP.");
|
|
return;
|
|
}
|
|
|
|
if (query.mTarget && query.mTarget != target) {
|
|
EnqueueError(LOCAL_GL_INVALID_OPERATION,
|
|
"`query` cannot be changed to a different target.");
|
|
return;
|
|
}
|
|
query.mTarget = target;
|
|
|
|
Run<RPROC(QueryCounter)>(query.mId);
|
|
}
|
|
|
|
// -------------------------------- Sampler -------------------------------
|
|
void ClientWebGLContext::GetSamplerParameter(
|
|
JSContext* cx, const WebGLSamplerJS& sampler, const GLenum pname,
|
|
JS::MutableHandle<JS::Value> retval) const {
|
|
retval.set(JS::NullValue());
|
|
const FuncScope funcScope(*this, "getSamplerParameter");
|
|
if (IsContextLost()) return;
|
|
if (!sampler.ValidateUsable(*this, "sampler")) return;
|
|
|
|
const auto maybe = Run<RPROC(GetSamplerParameter)>(sampler.mId, pname);
|
|
if (maybe) {
|
|
retval.set(JS::NumberValue(*maybe));
|
|
}
|
|
}
|
|
|
|
void ClientWebGLContext::BindSampler(const GLuint unit,
|
|
WebGLSamplerJS* const sampler) {
|
|
const FuncScope funcScope(*this, "bindSampler");
|
|
if (IsContextLost()) return;
|
|
if (sampler && !sampler->ValidateUsable(*this, "sampler")) return;
|
|
auto& state = State();
|
|
|
|
auto& texUnits = state.mTexUnits;
|
|
if (unit >= texUnits.size()) {
|
|
EnqueueError(LOCAL_GL_INVALID_VALUE, "`unit` (%u) larger than %zu.", unit,
|
|
texUnits.size());
|
|
return;
|
|
}
|
|
|
|
// -
|
|
|
|
texUnits[unit].sampler = sampler;
|
|
|
|
Run<RPROC(BindSampler)>(unit, sampler ? sampler->mId : 0);
|
|
}
|
|
|
|
void ClientWebGLContext::SamplerParameteri(WebGLSamplerJS& sampler,
|
|
const GLenum pname,
|
|
const GLint param) const {
|
|
const FuncScope funcScope(*this, "samplerParameteri");
|
|
if (IsContextLost()) return;
|
|
if (!sampler.ValidateUsable(*this, "sampler")) return;
|
|
|
|
Run<RPROC(SamplerParameteri)>(sampler.mId, pname, param);
|
|
}
|
|
|
|
void ClientWebGLContext::SamplerParameterf(WebGLSamplerJS& sampler,
|
|
const GLenum pname,
|
|
const GLfloat param) const {
|
|
const FuncScope funcScope(*this, "samplerParameterf");
|
|
if (IsContextLost()) return;
|
|
if (!sampler.ValidateUsable(*this, "sampler")) return;
|
|
|
|
Run<RPROC(SamplerParameterf)>(sampler.mId, pname, param);
|
|
}
|
|
|
|
// ------------------------------- GL Sync ---------------------------------
|
|
|
|
void ClientWebGLContext::GetSyncParameter(
|
|
JSContext* const cx, WebGLSyncJS& sync, const GLenum pname,
|
|
JS::MutableHandle<JS::Value> retval) const {
|
|
retval.set(JS::NullValue());
|
|
const FuncScope funcScope(*this, "getSyncParameter");
|
|
if (IsContextLost()) return;
|
|
if (!sync.ValidateUsable(*this, "sync")) return;
|
|
|
|
retval.set([&]() -> JS::Value {
|
|
switch (pname) {
|
|
case LOCAL_GL_OBJECT_TYPE:
|
|
return JS::NumberValue(LOCAL_GL_SYNC_FENCE);
|
|
case LOCAL_GL_SYNC_CONDITION:
|
|
return JS::NumberValue(LOCAL_GL_SYNC_GPU_COMMANDS_COMPLETE);
|
|
case LOCAL_GL_SYNC_FLAGS:
|
|
return JS::NumberValue(0);
|
|
case LOCAL_GL_SYNC_STATUS: {
|
|
if (!sync.mSignaled) {
|
|
const auto res = ClientWaitSync(sync, 0, 0);
|
|
sync.mSignaled = (res == LOCAL_GL_ALREADY_SIGNALED ||
|
|
res == LOCAL_GL_CONDITION_SATISFIED);
|
|
}
|
|
return JS::NumberValue(sync.mSignaled ? LOCAL_GL_SIGNALED
|
|
: LOCAL_GL_UNSIGNALED);
|
|
}
|
|
default:
|
|
EnqueueError_ArgEnum("pname", pname);
|
|
return JS::NullValue();
|
|
}
|
|
}());
|
|
}
|
|
|
|
GLenum ClientWebGLContext::ClientWaitSync(WebGLSyncJS& sync,
|
|
const GLbitfield flags,
|
|
const GLuint64 timeout) const {
|
|
const FuncScope funcScope(*this, "clientWaitSync");
|
|
if (IsContextLost()) return LOCAL_GL_WAIT_FAILED;
|
|
if (!sync.ValidateUsable(*this, "sync")) return LOCAL_GL_WAIT_FAILED;
|
|
|
|
if (flags != 0 && flags != LOCAL_GL_SYNC_FLUSH_COMMANDS_BIT) {
|
|
EnqueueError(LOCAL_GL_INVALID_VALUE,
|
|
"`flags` must be SYNC_FLUSH_COMMANDS_BIT or 0.");
|
|
return LOCAL_GL_WAIT_FAILED;
|
|
}
|
|
|
|
const auto ret = Run<RPROC(ClientWaitSync)>(sync.mId, flags, timeout);
|
|
|
|
switch (ret) {
|
|
case LOCAL_GL_CONDITION_SATISFIED:
|
|
case LOCAL_GL_ALREADY_SIGNALED:
|
|
sync.mSignaled = true;
|
|
break;
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
|
|
void ClientWebGLContext::WaitSync(const WebGLSyncJS& sync,
|
|
const GLbitfield flags,
|
|
const GLint64 timeout) const {
|
|
const FuncScope funcScope(*this, "waitSync");
|
|
if (IsContextLost()) return;
|
|
if (!sync.ValidateUsable(*this, "sync")) return;
|
|
|
|
if (flags != 0) {
|
|
EnqueueError(LOCAL_GL_INVALID_VALUE, "`flags` must be 0.");
|
|
return;
|
|
}
|
|
if (timeout != -1) {
|
|
EnqueueError(LOCAL_GL_INVALID_VALUE, "`timeout` must be TIMEOUT_IGNORED.");
|
|
return;
|
|
}
|
|
|
|
JsWarning("waitSync is a no-op.");
|
|
}
|
|
|
|
// -------------------------- Transform Feedback ---------------------------
|
|
|
|
void ClientWebGLContext::BindTransformFeedback(
|
|
const GLenum target, WebGLTransformFeedbackJS* const tf) {
|
|
const FuncScope funcScope(*this, "bindTransformFeedback");
|
|
if (IsContextLost()) return;
|
|
if (tf && !tf->ValidateUsable(*this, "tf")) return;
|
|
auto& state = State();
|
|
|
|
if (target != LOCAL_GL_TRANSFORM_FEEDBACK) {
|
|
EnqueueError(LOCAL_GL_INVALID_ENUM, "`target` must be TRANSFORM_FEEDBACK.");
|
|
return;
|
|
}
|
|
if (state.mTfActiveAndNotPaused) {
|
|
EnqueueError(LOCAL_GL_INVALID_OPERATION,
|
|
"Current Transform Feedback object is active and not paused.");
|
|
return;
|
|
}
|
|
|
|
if (tf) {
|
|
tf->mHasBeenBound = true;
|
|
state.mBoundTfo = tf;
|
|
} else {
|
|
state.mBoundTfo = state.mDefaultTfo;
|
|
}
|
|
|
|
Run<RPROC(BindTransformFeedback)>(tf ? tf->mId : 0);
|
|
}
|
|
|
|
void ClientWebGLContext::BeginTransformFeedback(const GLenum primMode) {
|
|
const FuncScope funcScope(*this, "beginTransformFeedback");
|
|
if (IsContextLost()) return;
|
|
auto& state = State();
|
|
auto& tfo = *(state.mBoundTfo);
|
|
|
|
if (tfo.mActiveOrPaused) {
|
|
EnqueueError(LOCAL_GL_INVALID_OPERATION,
|
|
"Transform Feedback is already active or paused.");
|
|
return;
|
|
}
|
|
MOZ_ASSERT(!state.mTfActiveAndNotPaused);
|
|
|
|
auto& prog = state.mCurrentProgram;
|
|
if (!prog) {
|
|
EnqueueError(LOCAL_GL_INVALID_OPERATION, "No program in use.");
|
|
return;
|
|
}
|
|
const auto& linkResult = GetLinkResult(*prog);
|
|
if (!linkResult.success) {
|
|
EnqueueError(LOCAL_GL_INVALID_OPERATION,
|
|
"Program is not successfully linked.");
|
|
return;
|
|
}
|
|
|
|
auto tfBufferCount = linkResult.active.activeTfVaryings.size();
|
|
if (tfBufferCount &&
|
|
linkResult.tfBufferMode == LOCAL_GL_INTERLEAVED_ATTRIBS) {
|
|
tfBufferCount = 1;
|
|
}
|
|
if (!tfBufferCount) {
|
|
EnqueueError(LOCAL_GL_INVALID_OPERATION,
|
|
"Program does not use Transform Feedback.");
|
|
return;
|
|
}
|
|
|
|
const auto& buffers = tfo.mAttribBuffers;
|
|
for (const auto i : IntegerRange(tfBufferCount)) {
|
|
if (!buffers[i]) {
|
|
EnqueueError(LOCAL_GL_INVALID_OPERATION,
|
|
"Transform Feedback buffer %u is null.", i);
|
|
return;
|
|
}
|
|
}
|
|
|
|
switch (primMode) {
|
|
case LOCAL_GL_POINTS:
|
|
case LOCAL_GL_LINES:
|
|
case LOCAL_GL_TRIANGLES:
|
|
break;
|
|
default:
|
|
EnqueueError(LOCAL_GL_INVALID_ENUM,
|
|
"`primitiveMode` must be POINTS, LINES< or TRIANGLES.");
|
|
return;
|
|
}
|
|
|
|
// -
|
|
|
|
tfo.mActiveOrPaused = true;
|
|
tfo.mActiveProgram = prog;
|
|
tfo.mActiveProgramKeepAlive = prog->mKeepAliveWeak.lock();
|
|
prog->mActiveTfos.insert(&tfo);
|
|
state.mTfActiveAndNotPaused = true;
|
|
|
|
Run<RPROC(BeginTransformFeedback)>(primMode);
|
|
}
|
|
|
|
void ClientWebGLContext::EndTransformFeedback() {
|
|
const FuncScope funcScope(*this, "endTransformFeedback");
|
|
if (IsContextLost()) return;
|
|
auto& state = State();
|
|
auto& tfo = *(state.mBoundTfo);
|
|
|
|
if (!tfo.mActiveOrPaused) {
|
|
EnqueueError(LOCAL_GL_INVALID_OPERATION,
|
|
"Transform Feedback is not active or paused.");
|
|
return;
|
|
}
|
|
|
|
tfo.mActiveOrPaused = false;
|
|
tfo.mActiveProgram->mActiveTfos.erase(&tfo);
|
|
tfo.mActiveProgram = nullptr;
|
|
tfo.mActiveProgramKeepAlive = nullptr;
|
|
state.mTfActiveAndNotPaused = false;
|
|
Run<RPROC(EndTransformFeedback)>();
|
|
}
|
|
|
|
void ClientWebGLContext::PauseTransformFeedback() {
|
|
const FuncScope funcScope(*this, "pauseTransformFeedback");
|
|
if (IsContextLost()) return;
|
|
auto& state = State();
|
|
auto& tfo = *(state.mBoundTfo);
|
|
|
|
if (!tfo.mActiveOrPaused) {
|
|
EnqueueError(LOCAL_GL_INVALID_OPERATION,
|
|
"Transform Feedback is not active.");
|
|
return;
|
|
}
|
|
if (!state.mTfActiveAndNotPaused) {
|
|
EnqueueError(LOCAL_GL_INVALID_OPERATION,
|
|
"Transform Feedback is already paused.");
|
|
return;
|
|
}
|
|
|
|
state.mTfActiveAndNotPaused = false;
|
|
Run<RPROC(PauseTransformFeedback)>();
|
|
}
|
|
|
|
void ClientWebGLContext::ResumeTransformFeedback() {
|
|
const FuncScope funcScope(*this, "resumeTransformFeedback");
|
|
if (IsContextLost()) return;
|
|
auto& state = State();
|
|
auto& tfo = *(state.mBoundTfo);
|
|
|
|
if (!tfo.mActiveOrPaused) {
|
|
EnqueueError(LOCAL_GL_INVALID_OPERATION,
|
|
"Transform Feedback is not active and paused.");
|
|
return;
|
|
}
|
|
if (state.mTfActiveAndNotPaused) {
|
|
EnqueueError(LOCAL_GL_INVALID_OPERATION,
|
|
"Transform Feedback is not paused.");
|
|
return;
|
|
}
|
|
if (state.mCurrentProgram != tfo.mActiveProgram) {
|
|
EnqueueError(
|
|
LOCAL_GL_INVALID_OPERATION,
|
|
"Cannot Resume Transform Feedback with a program link result different"
|
|
" from when Begin was called.");
|
|
return;
|
|
}
|
|
|
|
state.mTfActiveAndNotPaused = true;
|
|
Run<RPROC(ResumeTransformFeedback)>();
|
|
}
|
|
|
|
// ---------------------------- Misc Extensions ----------------------------
|
|
void ClientWebGLContext::DrawBuffers(const dom::Sequence<GLenum>& buffers) {
|
|
const auto range = MakeRange(buffers);
|
|
const auto vec = std::vector<GLenum>(range.begin().get(), range.end().get());
|
|
Run<RPROC(DrawBuffers)>(vec);
|
|
}
|
|
|
|
void ClientWebGLContext::EnqueueErrorImpl(const GLenum error,
|
|
const nsACString& text) const {
|
|
if (!mNotLost) return; // Ignored if context is lost.
|
|
Run<RPROC(GenerateError)>(error, text.BeginReading());
|
|
}
|
|
|
|
void ClientWebGLContext::RequestExtension(const WebGLExtensionID ext) const {
|
|
Run<RPROC(RequestExtension)>(ext);
|
|
}
|
|
|
|
// -
|
|
|
|
static bool IsExtensionForbiddenForCaller(const WebGLExtensionID ext,
|
|
const dom::CallerType callerType) {
|
|
if (callerType == dom::CallerType::System) return false;
|
|
|
|
if (StaticPrefs::webgl_enable_privileged_extensions()) return false;
|
|
|
|
const bool resistFingerprinting =
|
|
nsContentUtils::ShouldResistFingerprinting();
|
|
switch (ext) {
|
|
case WebGLExtensionID::MOZ_debug:
|
|
return true;
|
|
|
|
case WebGLExtensionID::WEBGL_debug_renderer_info:
|
|
return resistFingerprinting ||
|
|
!Preferences::GetBool("webgl.enable-debug-renderer-info", false);
|
|
|
|
case WebGLExtensionID::WEBGL_debug_shaders:
|
|
return resistFingerprinting;
|
|
|
|
default:
|
|
return false;
|
|
}
|
|
}
|
|
|
|
bool ClientWebGLContext::IsSupported(const WebGLExtensionID ext,
|
|
const dom::CallerType callerType) const {
|
|
if (IsExtensionForbiddenForCaller(ext, callerType)) return false;
|
|
const auto& limits = Limits();
|
|
return limits.supportedExtensions[ext];
|
|
}
|
|
|
|
void ClientWebGLContext::GetSupportedExtensions(
|
|
dom::Nullable<nsTArray<nsString>>& retval,
|
|
const dom::CallerType callerType) const {
|
|
retval.SetNull();
|
|
if (!mNotLost) return;
|
|
|
|
auto& retarr = retval.SetValue();
|
|
for (const auto i : MakeEnumeratedRange(WebGLExtensionID::Max)) {
|
|
if (!IsSupported(i, callerType)) continue;
|
|
|
|
const auto& extStr = GetExtensionName(i);
|
|
retarr.AppendElement(NS_ConvertUTF8toUTF16(extStr));
|
|
}
|
|
}
|
|
|
|
// -
|
|
|
|
void ClientWebGLContext::GetSupportedProfilesASTC(
|
|
dom::Nullable<nsTArray<nsString>>& retval) const {
|
|
retval.SetNull();
|
|
if (!mNotLost) return;
|
|
const auto& limits = Limits();
|
|
|
|
auto& retarr = retval.SetValue();
|
|
retarr.AppendElement(NS_LITERAL_STRING("ldr"));
|
|
if (limits.astcHdr) {
|
|
retarr.AppendElement(NS_LITERAL_STRING("hdr"));
|
|
}
|
|
}
|
|
|
|
// -
|
|
|
|
bool ClientWebGLContext::ShouldResistFingerprinting() const {
|
|
if (NS_IsMainThread()) {
|
|
if (mCanvasElement) {
|
|
// If we're constructed from a canvas element
|
|
return nsContentUtils::ShouldResistFingerprinting(GetOwnerDoc());
|
|
}
|
|
// if (mOffscreenCanvas->GetOwnerGlobal()) {
|
|
// // If we're constructed from an offscreen canvas
|
|
// return nsContentUtils::ShouldResistFingerprinting(
|
|
// mOffscreenCanvas->GetOwnerGlobal()->PrincipalOrNull());
|
|
//}
|
|
// Last resort, just check the global preference
|
|
return nsContentUtils::ShouldResistFingerprinting();
|
|
}
|
|
dom::WorkerPrivate* workerPrivate = dom::GetCurrentThreadWorkerPrivate();
|
|
MOZ_ASSERT(workerPrivate);
|
|
return nsContentUtils::ShouldResistFingerprinting(workerPrivate);
|
|
}
|
|
|
|
// ---------------------------
|
|
|
|
void ClientWebGLContext::EnqueueError_ArgEnum(const char* const argName,
|
|
const GLenum val) const {
|
|
EnqueueError(LOCAL_GL_INVALID_ENUM, "Bad `%s`: 0x%04x", argName, val);
|
|
}
|
|
|
|
// -
|
|
// WebGLProgramJS
|
|
|
|
void ClientWebGLContext::AttachShader(WebGLProgramJS& prog,
|
|
WebGLShaderJS& shader) const {
|
|
const FuncScope funcScope(*this, "attachShader");
|
|
if (IsContextLost()) return;
|
|
if (!prog.ValidateUsable(*this, "program")) return;
|
|
if (!shader.ValidateUsable(*this, "shader")) return;
|
|
|
|
auto& slot = *MaybeFind(prog.mNextLink_Shaders, shader.mType);
|
|
if (slot.shader) {
|
|
if (&shader == slot.shader) {
|
|
EnqueueError(LOCAL_GL_INVALID_OPERATION, "`shader` is already attached.");
|
|
} else {
|
|
EnqueueError(LOCAL_GL_INVALID_OPERATION,
|
|
"Only one of each type of"
|
|
" shader may be attached to a program.");
|
|
}
|
|
return;
|
|
}
|
|
slot = {&shader, shader.mKeepAliveWeak.lock()};
|
|
|
|
Run<RPROC(AttachShader)>(prog.mId, shader.mId);
|
|
}
|
|
|
|
void ClientWebGLContext::BindAttribLocation(WebGLProgramJS& prog,
|
|
const GLuint location,
|
|
const nsAString& name) const {
|
|
const FuncScope funcScope(*this, "detachShader");
|
|
if (IsContextLost()) return;
|
|
if (!prog.ValidateUsable(*this, "program")) return;
|
|
|
|
const auto& nameU8 = ToString(NS_ConvertUTF16toUTF8(name));
|
|
Run<RPROC(BindAttribLocation)>(prog.mId, location, nameU8);
|
|
}
|
|
|
|
void ClientWebGLContext::DetachShader(WebGLProgramJS& prog,
|
|
const WebGLShaderJS& shader) const {
|
|
const FuncScope funcScope(*this, "detachShader");
|
|
if (IsContextLost()) return;
|
|
if (!prog.ValidateUsable(*this, "program")) return;
|
|
if (!shader.ValidateUsable(*this, "shader")) return;
|
|
|
|
auto& slot = *MaybeFind(prog.mNextLink_Shaders, shader.mType);
|
|
|
|
if (slot.shader != &shader) {
|
|
EnqueueError(LOCAL_GL_INVALID_OPERATION, "`shader` is not attached.");
|
|
return;
|
|
}
|
|
slot = {};
|
|
|
|
Run<RPROC(DetachShader)>(prog.mId, shader.mId);
|
|
}
|
|
|
|
void ClientWebGLContext::GetAttachedShaders(
|
|
const WebGLProgramJS& prog,
|
|
dom::Nullable<nsTArray<RefPtr<WebGLShaderJS>>>& retval) const {
|
|
const FuncScope funcScope(*this, "getAttachedShaders");
|
|
if (IsContextLost()) return;
|
|
if (!prog.ValidateUsable(*this, "program")) return;
|
|
|
|
auto& arr = retval.SetValue();
|
|
for (const auto& pair : prog.mNextLink_Shaders) {
|
|
const auto& attachment = pair.second;
|
|
if (!attachment.shader) continue;
|
|
arr.AppendElement(attachment.shader);
|
|
}
|
|
}
|
|
|
|
void ClientWebGLContext::LinkProgram(WebGLProgramJS& prog) const {
|
|
const FuncScope funcScope(*this, "linkProgram");
|
|
if (IsContextLost()) return;
|
|
if (!prog.ValidateUsable(*this, "program")) return;
|
|
|
|
if (prog.mActiveTfos.size()) {
|
|
EnqueueError(LOCAL_GL_INVALID_OPERATION,
|
|
"Program still in use by active or paused"
|
|
" Transform Feedback objects.");
|
|
return;
|
|
}
|
|
|
|
prog.mResult = std::make_shared<webgl::LinkResult>();
|
|
prog.mUniformLocByName = {};
|
|
prog.mUniformBlockBindings = {};
|
|
Run<RPROC(LinkProgram)>(prog.mId);
|
|
}
|
|
|
|
void ClientWebGLContext::TransformFeedbackVaryings(
|
|
WebGLProgramJS& prog, const dom::Sequence<nsString>& varyings,
|
|
const GLenum bufferMode) const {
|
|
const FuncScope funcScope(*this, "transformFeedbackVaryings");
|
|
if (IsContextLost()) return;
|
|
if (!prog.ValidateUsable(*this, "program")) return;
|
|
|
|
std::vector<std::string> varyingsU8;
|
|
varyingsU8.reserve(varyings.Length());
|
|
for (const auto& cur : varyings) {
|
|
const auto curU8 = ToString(NS_ConvertUTF16toUTF8(cur));
|
|
varyingsU8.push_back(curU8);
|
|
}
|
|
|
|
Run<RPROC(TransformFeedbackVaryings)>(prog.mId, varyingsU8, bufferMode);
|
|
}
|
|
|
|
void ClientWebGLContext::UniformBlockBinding(WebGLProgramJS& prog,
|
|
const GLuint blockIndex,
|
|
const GLuint blockBinding) const {
|
|
const FuncScope funcScope(*this, "uniformBlockBinding");
|
|
if (IsContextLost()) return;
|
|
if (!prog.ValidateUsable(*this, "program")) return;
|
|
const auto& state = State();
|
|
|
|
(void)GetLinkResult(prog);
|
|
auto& list = prog.mUniformBlockBindings;
|
|
if (blockIndex >= list.size()) {
|
|
EnqueueError(
|
|
LOCAL_GL_INVALID_VALUE,
|
|
"`blockIndex` (%u) must be less than ACTIVE_UNIFORM_BLOCKS (%zu).",
|
|
blockIndex, list.size());
|
|
return;
|
|
}
|
|
if (blockBinding >= state.mBoundUbos.size()) {
|
|
EnqueueError(LOCAL_GL_INVALID_VALUE,
|
|
"`blockBinding` (%u) must be less than "
|
|
"MAX_UNIFORM_BUFFER_BINDINGS (%zu).",
|
|
blockBinding, state.mBoundUbos.size());
|
|
return;
|
|
}
|
|
|
|
list[blockIndex] = blockBinding;
|
|
Run<RPROC(UniformBlockBinding)>(prog.mId, blockIndex, blockBinding);
|
|
}
|
|
|
|
// WebGLProgramJS link result reflection
|
|
|
|
already_AddRefed<WebGLActiveInfoJS> ClientWebGLContext::GetActiveAttrib(
|
|
const WebGLProgramJS& prog, const GLuint index) {
|
|
const FuncScope funcScope(*this, "getActiveAttrib");
|
|
if (IsContextLost()) return nullptr;
|
|
if (!prog.ValidateUsable(*this, "program")) return nullptr;
|
|
|
|
const auto& res = GetLinkResult(prog);
|
|
const auto& list = res.active.activeAttribs;
|
|
if (index >= list.size()) {
|
|
EnqueueError(LOCAL_GL_INVALID_VALUE, "`index` too large.");
|
|
return nullptr;
|
|
}
|
|
|
|
const auto& info = list[index];
|
|
return AsAddRefed(new WebGLActiveInfoJS(info));
|
|
}
|
|
|
|
already_AddRefed<WebGLActiveInfoJS> ClientWebGLContext::GetActiveUniform(
|
|
const WebGLProgramJS& prog, const GLuint index) {
|
|
const FuncScope funcScope(*this, "getActiveUniform");
|
|
if (IsContextLost()) return nullptr;
|
|
if (!prog.ValidateUsable(*this, "program")) return nullptr;
|
|
|
|
const auto& res = GetLinkResult(prog);
|
|
const auto& list = res.active.activeUniforms;
|
|
if (index >= list.size()) {
|
|
EnqueueError(LOCAL_GL_INVALID_VALUE, "`index` too large.");
|
|
return nullptr;
|
|
}
|
|
|
|
const auto& info = list[index];
|
|
return AsAddRefed(new WebGLActiveInfoJS(info));
|
|
}
|
|
|
|
void ClientWebGLContext::GetActiveUniformBlockName(const WebGLProgramJS& prog,
|
|
const GLuint index,
|
|
nsAString& retval) const {
|
|
retval.SetIsVoid(true);
|
|
const FuncScope funcScope(*this, "getActiveUniformBlockName");
|
|
if (IsContextLost()) return;
|
|
if (!prog.ValidateUsable(*this, "program")) return;
|
|
|
|
const auto& res = GetLinkResult(prog);
|
|
if (!res.success) {
|
|
EnqueueError(LOCAL_GL_INVALID_OPERATION, "Program has not been linked.");
|
|
return;
|
|
}
|
|
|
|
const auto& list = res.active.activeUniformBlocks;
|
|
if (index >= list.size()) {
|
|
EnqueueError(LOCAL_GL_INVALID_VALUE, "`index` too large.");
|
|
return;
|
|
}
|
|
|
|
const auto& block = list[index];
|
|
retval = NS_ConvertUTF8toUTF16(block.name.c_str());
|
|
}
|
|
|
|
void ClientWebGLContext::GetActiveUniformBlockParameter(
|
|
JSContext* const cx, const WebGLProgramJS& prog, const GLuint index,
|
|
const GLenum pname, JS::MutableHandle<JS::Value> retval, ErrorResult& rv) {
|
|
retval.set(JS::NullValue());
|
|
const FuncScope funcScope(*this, "getActiveUniformBlockParameter");
|
|
if (IsContextLost()) return;
|
|
if (!prog.ValidateUsable(*this, "program")) return;
|
|
|
|
const auto& res = GetLinkResult(prog);
|
|
const auto& list = res.active.activeUniformBlocks;
|
|
if (index >= list.size()) {
|
|
EnqueueError(LOCAL_GL_INVALID_VALUE, "`index` too large.");
|
|
return;
|
|
}
|
|
const auto& block = list[index];
|
|
|
|
retval.set([&]() -> JS::Value {
|
|
switch (pname) {
|
|
case LOCAL_GL_UNIFORM_BLOCK_BINDING:
|
|
return JS::NumberValue(prog.mUniformBlockBindings[index]);
|
|
|
|
case LOCAL_GL_UNIFORM_BLOCK_DATA_SIZE:
|
|
return JS::NumberValue(block.dataSize);
|
|
|
|
case LOCAL_GL_UNIFORM_BLOCK_ACTIVE_UNIFORMS:
|
|
return JS::NumberValue(block.activeUniformIndices.size());
|
|
|
|
case LOCAL_GL_UNIFORM_BLOCK_ACTIVE_UNIFORM_INDICES: {
|
|
const auto& indices = block.activeUniformIndices;
|
|
JS::RootedObject obj(cx, dom::Uint32Array::Create(
|
|
cx, this, indices.size(), indices.data()));
|
|
if (!obj) {
|
|
rv = NS_ERROR_OUT_OF_MEMORY;
|
|
}
|
|
return JS::ObjectOrNullValue(obj);
|
|
}
|
|
|
|
case LOCAL_GL_UNIFORM_BLOCK_REFERENCED_BY_VERTEX_SHADER:
|
|
return JS::BooleanValue(block.referencedByVertexShader);
|
|
|
|
case LOCAL_GL_UNIFORM_BLOCK_REFERENCED_BY_FRAGMENT_SHADER:
|
|
return JS::BooleanValue(block.referencedByFragmentShader);
|
|
|
|
default:
|
|
EnqueueError_ArgEnum("pname", pname);
|
|
return JS::NullValue();
|
|
}
|
|
}());
|
|
}
|
|
|
|
void ClientWebGLContext::GetActiveUniforms(
|
|
JSContext* const cx, const WebGLProgramJS& prog,
|
|
const dom::Sequence<GLuint>& uniformIndices, const GLenum pname,
|
|
JS::MutableHandle<JS::Value> retval) const {
|
|
retval.set(JS::NullValue());
|
|
const FuncScope funcScope(*this, "getActiveUniforms");
|
|
if (IsContextLost()) return;
|
|
if (!prog.ValidateUsable(*this, "program")) return;
|
|
|
|
const auto& res = GetLinkResult(prog);
|
|
const auto& list = res.active.activeUniforms;
|
|
|
|
const auto count = uniformIndices.Length();
|
|
JS::Rooted<JSObject*> array(cx, JS::NewArrayObject(cx, count));
|
|
if (!array) return; // Just bail.
|
|
|
|
for (const auto i : IntegerRange(count)) {
|
|
const auto index = uniformIndices[i];
|
|
if (index >= list.size()) {
|
|
EnqueueError(LOCAL_GL_INVALID_VALUE,
|
|
"`uniformIndices[%u]`: `%u` too large.", i, index);
|
|
return;
|
|
}
|
|
const auto& uniform = list[index];
|
|
|
|
JS::RootedValue value(cx);
|
|
switch (pname) {
|
|
case LOCAL_GL_UNIFORM_TYPE:
|
|
value = JS::NumberValue(uniform.elemType);
|
|
break;
|
|
|
|
case LOCAL_GL_UNIFORM_SIZE:
|
|
value = JS::NumberValue(uniform.elemCount);
|
|
break;
|
|
|
|
case LOCAL_GL_UNIFORM_BLOCK_INDEX:
|
|
value = JS::NumberValue(uniform.block_index);
|
|
break;
|
|
|
|
case LOCAL_GL_UNIFORM_OFFSET:
|
|
value = JS::NumberValue(uniform.block_offset);
|
|
break;
|
|
|
|
case LOCAL_GL_UNIFORM_ARRAY_STRIDE:
|
|
value = JS::NumberValue(uniform.block_arrayStride);
|
|
break;
|
|
|
|
case LOCAL_GL_UNIFORM_MATRIX_STRIDE:
|
|
value = JS::NumberValue(uniform.block_matrixStride);
|
|
break;
|
|
|
|
case LOCAL_GL_UNIFORM_IS_ROW_MAJOR:
|
|
value = JS::BooleanValue(uniform.block_isRowMajor);
|
|
break;
|
|
|
|
default:
|
|
EnqueueError_ArgEnum("pname", pname);
|
|
return;
|
|
}
|
|
if (!JS_DefineElement(cx, array, i, value, JSPROP_ENUMERATE)) return;
|
|
}
|
|
|
|
retval.setObject(*array);
|
|
}
|
|
|
|
already_AddRefed<WebGLActiveInfoJS>
|
|
ClientWebGLContext::GetTransformFeedbackVarying(const WebGLProgramJS& prog,
|
|
const GLuint index) {
|
|
const FuncScope funcScope(*this, "getTransformFeedbackVarying");
|
|
if (IsContextLost()) return nullptr;
|
|
if (!prog.ValidateUsable(*this, "program")) return nullptr;
|
|
|
|
const auto& res = GetLinkResult(prog);
|
|
const auto& list = res.active.activeTfVaryings;
|
|
if (index >= list.size()) {
|
|
EnqueueError(LOCAL_GL_INVALID_VALUE, "`index` too large.");
|
|
return nullptr;
|
|
}
|
|
|
|
const auto& info = list[index];
|
|
return AsAddRefed(new WebGLActiveInfoJS(info));
|
|
}
|
|
|
|
GLint ClientWebGLContext::GetAttribLocation(const WebGLProgramJS& prog,
|
|
const nsAString& name) const {
|
|
const FuncScope funcScope(*this, "getAttribLocation");
|
|
if (IsContextLost()) return -1;
|
|
if (!prog.ValidateUsable(*this, "program")) return -1;
|
|
|
|
const auto nameU8 = ToString(NS_ConvertUTF16toUTF8(name));
|
|
const auto& res = GetLinkResult(prog);
|
|
for (const auto& cur : res.active.activeAttribs) {
|
|
if (cur.name == nameU8) return cur.location;
|
|
}
|
|
|
|
const auto err = CheckGLSLVariableName(mIsWebGL2, nameU8);
|
|
if (err) {
|
|
EnqueueError(err->type, "%s", err->info.c_str());
|
|
}
|
|
return -1;
|
|
}
|
|
|
|
GLint ClientWebGLContext::GetFragDataLocation(const WebGLProgramJS& prog,
|
|
const nsAString& name) const {
|
|
const FuncScope funcScope(*this, "getFragDataLocation");
|
|
if (IsContextLost()) return -1;
|
|
if (!prog.ValidateUsable(*this, "program")) return -1;
|
|
|
|
const auto nameU8 = ToString(NS_ConvertUTF16toUTF8(name));
|
|
|
|
return Run<RPROC(GetFragDataLocation)>(prog.mId, nameU8);
|
|
}
|
|
|
|
GLuint ClientWebGLContext::GetUniformBlockIndex(
|
|
const WebGLProgramJS& prog, const nsAString& blockName) const {
|
|
const FuncScope funcScope(*this, "getUniformBlockIndex");
|
|
if (IsContextLost()) return LOCAL_GL_INVALID_INDEX;
|
|
if (!prog.ValidateUsable(*this, "program")) return LOCAL_GL_INVALID_INDEX;
|
|
|
|
const auto nameU8 = ToString(NS_ConvertUTF16toUTF8(blockName));
|
|
|
|
const auto& res = GetLinkResult(prog);
|
|
const auto& list = res.active.activeUniformBlocks;
|
|
for (const auto i : IntegerRange(list.size())) {
|
|
const auto& cur = list[i];
|
|
if (cur.name == nameU8) {
|
|
return i;
|
|
}
|
|
}
|
|
return LOCAL_GL_INVALID_INDEX;
|
|
}
|
|
|
|
void ClientWebGLContext::GetUniformIndices(
|
|
const WebGLProgramJS& prog, const dom::Sequence<nsString>& uniformNames,
|
|
dom::Nullable<nsTArray<GLuint>>& retval) const {
|
|
const FuncScope funcScope(*this, "getUniformIndices");
|
|
if (IsContextLost()) return;
|
|
if (!prog.ValidateUsable(*this, "program")) return;
|
|
|
|
const auto& res = GetLinkResult(prog);
|
|
auto ret = nsTArray<GLuint>(uniformNames.Length());
|
|
|
|
std::unordered_map<std::string, size_t> retIdByName;
|
|
retIdByName.reserve(ret.Length());
|
|
|
|
for (const auto i : IntegerRange(uniformNames.Length())) {
|
|
const auto& name = uniformNames[i];
|
|
auto nameU8 = ToString(NS_ConvertUTF16toUTF8(name));
|
|
retIdByName.insert({std::move(nameU8), i});
|
|
ret.AppendElement(LOCAL_GL_INVALID_INDEX);
|
|
}
|
|
|
|
GLuint i = 0;
|
|
for (const auto& cur : res.active.activeUniforms) {
|
|
const auto maybeRetId = MaybeFind(retIdByName, cur.name);
|
|
if (maybeRetId) {
|
|
ret[*maybeRetId] = i;
|
|
}
|
|
i += 1;
|
|
}
|
|
|
|
retval.SetValue(std::move(ret));
|
|
}
|
|
|
|
already_AddRefed<WebGLUniformLocationJS> ClientWebGLContext::GetUniformLocation(
|
|
const WebGLProgramJS& prog, const nsAString& name) const {
|
|
const FuncScope funcScope(*this, "getUniformLocation");
|
|
if (IsContextLost()) return nullptr;
|
|
if (!prog.ValidateUsable(*this, "program")) return nullptr;
|
|
|
|
const auto& res = GetLinkResult(prog);
|
|
|
|
if (!prog.mUniformLocByName) {
|
|
// Cache a map from name->location.
|
|
// Since the only way to set uniforms requires calling GetUniformLocation,
|
|
// we expect apps to query most active uniforms once for each scalar or
|
|
// array. NB: Uniform array setters do have overflow semantics, even though
|
|
// uniform locations aren't guaranteed contiguous, but GetUniformLocation
|
|
// must still be called once per array.
|
|
prog.mUniformLocByName.emplace();
|
|
|
|
for (const auto& activeUniform : res.active.activeUniforms) {
|
|
if (activeUniform.block_index != -1) continue;
|
|
|
|
auto locName = activeUniform.name;
|
|
const auto indexed = webgl::ParseIndexed(locName);
|
|
if (indexed) {
|
|
locName = indexed->name;
|
|
}
|
|
|
|
const auto err = CheckGLSLVariableName(mIsWebGL2, locName);
|
|
if (err) continue;
|
|
|
|
const auto baseLength = locName.size();
|
|
for (const auto& pair : activeUniform.locByIndex) {
|
|
if (indexed) {
|
|
locName.erase(baseLength); // Erase previous "[N]".
|
|
locName += '[';
|
|
locName += std::to_string(pair.first);
|
|
locName += ']';
|
|
}
|
|
const auto locInfo =
|
|
WebGLProgramJS::UniformLocInfo{pair.second, activeUniform.elemType};
|
|
prog.mUniformLocByName->insert({locName, locInfo});
|
|
}
|
|
}
|
|
}
|
|
const auto& locByName = *(prog.mUniformLocByName);
|
|
|
|
const auto nameU8 = ToString(NS_ConvertUTF16toUTF8(name));
|
|
auto loc = MaybeFind(locByName, nameU8);
|
|
if (!loc) {
|
|
loc = MaybeFind(locByName, nameU8 + "[0]");
|
|
}
|
|
if (!loc) {
|
|
const auto err = CheckGLSLVariableName(mIsWebGL2, nameU8);
|
|
if (err) {
|
|
EnqueueError(err->type, "%s", err->info.c_str());
|
|
}
|
|
return nullptr;
|
|
}
|
|
|
|
return AsAddRefed(new WebGLUniformLocationJS(*this, prog.mResult,
|
|
loc->location, loc->elemType));
|
|
}
|
|
|
|
std::array<uint16_t, 3> ValidUploadElemTypes(const GLenum elemType) {
|
|
std::vector<GLenum> ret;
|
|
switch (elemType) {
|
|
case LOCAL_GL_BOOL:
|
|
ret = {LOCAL_GL_FLOAT, LOCAL_GL_INT, LOCAL_GL_UNSIGNED_INT};
|
|
break;
|
|
case LOCAL_GL_BOOL_VEC2:
|
|
ret = {LOCAL_GL_FLOAT_VEC2, LOCAL_GL_INT_VEC2,
|
|
LOCAL_GL_UNSIGNED_INT_VEC2};
|
|
break;
|
|
case LOCAL_GL_BOOL_VEC3:
|
|
ret = {LOCAL_GL_FLOAT_VEC3, LOCAL_GL_INT_VEC3,
|
|
LOCAL_GL_UNSIGNED_INT_VEC3};
|
|
break;
|
|
case LOCAL_GL_BOOL_VEC4:
|
|
ret = {LOCAL_GL_FLOAT_VEC4, LOCAL_GL_INT_VEC4,
|
|
LOCAL_GL_UNSIGNED_INT_VEC4};
|
|
break;
|
|
|
|
case LOCAL_GL_SAMPLER_2D:
|
|
case LOCAL_GL_SAMPLER_3D:
|
|
case LOCAL_GL_SAMPLER_CUBE:
|
|
case LOCAL_GL_SAMPLER_2D_SHADOW:
|
|
case LOCAL_GL_SAMPLER_2D_ARRAY:
|
|
case LOCAL_GL_SAMPLER_2D_ARRAY_SHADOW:
|
|
case LOCAL_GL_SAMPLER_CUBE_SHADOW:
|
|
case LOCAL_GL_INT_SAMPLER_2D:
|
|
case LOCAL_GL_INT_SAMPLER_3D:
|
|
case LOCAL_GL_INT_SAMPLER_CUBE:
|
|
case LOCAL_GL_INT_SAMPLER_2D_ARRAY:
|
|
case LOCAL_GL_UNSIGNED_INT_SAMPLER_2D:
|
|
case LOCAL_GL_UNSIGNED_INT_SAMPLER_3D:
|
|
case LOCAL_GL_UNSIGNED_INT_SAMPLER_CUBE:
|
|
case LOCAL_GL_UNSIGNED_INT_SAMPLER_2D_ARRAY:
|
|
ret = {LOCAL_GL_INT};
|
|
break;
|
|
|
|
default:
|
|
ret = {elemType};
|
|
break;
|
|
}
|
|
|
|
std::array<uint16_t, 3> arr = {};
|
|
MOZ_ASSERT(arr[2] == 0);
|
|
for (const auto i : IntegerRange(ret.size())) {
|
|
arr[i] = AssertedCast<uint16_t>(ret[i]);
|
|
}
|
|
return arr;
|
|
}
|
|
|
|
void ClientWebGLContext::GetProgramInfoLog(const WebGLProgramJS& prog,
|
|
nsAString& retval) const {
|
|
retval.SetIsVoid(true);
|
|
const FuncScope funcScope(*this, "getProgramInfoLog");
|
|
if (IsContextLost()) return;
|
|
if (!prog.ValidateUsable(*this, "program")) return;
|
|
|
|
const auto& res = GetLinkResult(prog);
|
|
retval = NS_ConvertUTF8toUTF16(res.log.c_str());
|
|
}
|
|
|
|
void ClientWebGLContext::GetProgramParameter(
|
|
JSContext* const js, const WebGLProgramJS& prog, const GLenum pname,
|
|
JS::MutableHandle<JS::Value> retval) const {
|
|
retval.set(JS::NullValue());
|
|
const FuncScope funcScope(*this, "getProgramParameter");
|
|
if (IsContextLost()) return;
|
|
if (!prog.ValidateUsable(*this, "program")) return;
|
|
|
|
retval.set([&]() -> JS::Value {
|
|
switch (pname) {
|
|
case LOCAL_GL_DELETE_STATUS:
|
|
// "Is flagged for deletion?"
|
|
return JS::BooleanValue(!prog.mKeepAlive);
|
|
case LOCAL_GL_VALIDATE_STATUS:
|
|
return JS::BooleanValue(prog.mLastValidate);
|
|
case LOCAL_GL_ATTACHED_SHADERS:
|
|
return JS::NumberValue(prog.mNextLink_Shaders.size());
|
|
default:
|
|
break;
|
|
}
|
|
|
|
const auto& res = GetLinkResult(prog);
|
|
|
|
switch (pname) {
|
|
case LOCAL_GL_LINK_STATUS:
|
|
return JS::BooleanValue(res.success);
|
|
|
|
case LOCAL_GL_ACTIVE_ATTRIBUTES:
|
|
return JS::NumberValue(res.active.activeAttribs.size());
|
|
|
|
case LOCAL_GL_ACTIVE_UNIFORMS:
|
|
return JS::NumberValue(res.active.activeUniforms.size());
|
|
|
|
case LOCAL_GL_TRANSFORM_FEEDBACK_BUFFER_MODE:
|
|
if (!mIsWebGL2) break;
|
|
return JS::NumberValue(res.tfBufferMode);
|
|
|
|
case LOCAL_GL_TRANSFORM_FEEDBACK_VARYINGS:
|
|
if (!mIsWebGL2) break;
|
|
return JS::NumberValue(res.active.activeTfVaryings.size());
|
|
|
|
case LOCAL_GL_ACTIVE_UNIFORM_BLOCKS:
|
|
if (!mIsWebGL2) break;
|
|
return JS::NumberValue(res.active.activeUniformBlocks.size());
|
|
|
|
default:
|
|
break;
|
|
}
|
|
EnqueueError_ArgEnum("pname", pname);
|
|
return JS::NullValue();
|
|
}());
|
|
}
|
|
|
|
// -
|
|
// WebGLShaderJS
|
|
|
|
void ClientWebGLContext::CompileShader(WebGLShaderJS& shader) const {
|
|
const FuncScope funcScope(*this, "compileShader");
|
|
if (IsContextLost()) return;
|
|
if (!shader.ValidateUsable(*this, "shader")) return;
|
|
|
|
shader.mResult = {};
|
|
Run<RPROC(CompileShader)>(shader.mId);
|
|
}
|
|
|
|
void ClientWebGLContext::GetShaderInfoLog(const WebGLShaderJS& shader,
|
|
nsAString& retval) const {
|
|
retval.SetIsVoid(true);
|
|
const FuncScope funcScope(*this, "getShaderInfoLog");
|
|
if (IsContextLost()) return;
|
|
if (!shader.ValidateUsable(*this, "shader")) return;
|
|
|
|
const auto& result = GetCompileResult(shader);
|
|
retval = NS_ConvertUTF8toUTF16(result.log.c_str());
|
|
}
|
|
|
|
void ClientWebGLContext::GetShaderParameter(
|
|
JSContext* const cx, const WebGLShaderJS& shader, const GLenum pname,
|
|
JS::MutableHandle<JS::Value> retval) const {
|
|
retval.set(JS::NullValue());
|
|
const FuncScope funcScope(*this, "getShaderParameter");
|
|
if (IsContextLost()) return;
|
|
if (!shader.ValidateUsable(*this, "shader")) return;
|
|
|
|
retval.set([&]() -> JS::Value {
|
|
switch (pname) {
|
|
case LOCAL_GL_SHADER_TYPE:
|
|
return JS::NumberValue(shader.mType);
|
|
|
|
case LOCAL_GL_DELETE_STATUS: // "Is flagged for deletion?"
|
|
return JS::BooleanValue(!shader.mKeepAlive);
|
|
|
|
case LOCAL_GL_COMPILE_STATUS: {
|
|
const auto& result = GetCompileResult(shader);
|
|
return JS::BooleanValue(result.success);
|
|
}
|
|
|
|
default:
|
|
EnqueueError_ArgEnum("pname", pname);
|
|
return JS::NullValue();
|
|
}
|
|
}());
|
|
}
|
|
|
|
void ClientWebGLContext::GetShaderSource(const WebGLShaderJS& shader,
|
|
nsAString& retval) const {
|
|
retval.SetIsVoid(true);
|
|
const FuncScope funcScope(*this, "getShaderSource");
|
|
if (IsContextLost()) return;
|
|
if (!shader.ValidateUsable(*this, "shader")) return;
|
|
|
|
retval = NS_ConvertUTF8toUTF16(shader.mSource.c_str());
|
|
}
|
|
|
|
void ClientWebGLContext::GetTranslatedShaderSource(const WebGLShaderJS& shader,
|
|
nsAString& retval) const {
|
|
retval.SetIsVoid(true);
|
|
const FuncScope funcScope(*this, "getTranslatedShaderSource");
|
|
if (IsContextLost()) return;
|
|
if (!shader.ValidateUsable(*this, "shader")) return;
|
|
|
|
const auto& result = GetCompileResult(shader);
|
|
retval = NS_ConvertUTF8toUTF16(result.translatedSource.c_str());
|
|
}
|
|
|
|
void ClientWebGLContext::ShaderSource(WebGLShaderJS& shader,
|
|
const nsAString& sourceU16) const {
|
|
const FuncScope funcScope(*this, "shaderSource");
|
|
if (IsContextLost()) return;
|
|
if (!shader.ValidateUsable(*this, "shader")) return;
|
|
|
|
auto source = ToString(NS_ConvertUTF16toUTF8(sourceU16));
|
|
const auto cleanSource = CommentsToSpaces(source);
|
|
|
|
const auto badChar = CheckGLSLPreprocString(mIsWebGL2, cleanSource);
|
|
if (badChar) {
|
|
EnqueueError(LOCAL_GL_INVALID_VALUE,
|
|
"`source` contains illegal character 0x%x.", *badChar);
|
|
return;
|
|
}
|
|
|
|
shader.mSource = std::move(source);
|
|
Run<RPROC(ShaderSource)>(shader.mId, cleanSource);
|
|
}
|
|
|
|
// -
|
|
|
|
const webgl::CompileResult& ClientWebGLContext::GetCompileResult(
|
|
const WebGLShaderJS& shader) const {
|
|
if (shader.mResult.pending) {
|
|
shader.mResult = Run<RPROC(GetCompileResult)>(shader.mId);
|
|
}
|
|
return shader.mResult;
|
|
}
|
|
|
|
const webgl::LinkResult& ClientWebGLContext::GetLinkResult(
|
|
const WebGLProgramJS& prog) const {
|
|
if (prog.mResult->pending) {
|
|
*(prog.mResult) = Run<RPROC(GetLinkResult)>(prog.mId);
|
|
prog.mUniformBlockBindings.resize(
|
|
prog.mResult->active.activeUniformBlocks.size());
|
|
|
|
auto& state = State();
|
|
if (state.mCurrentProgram == &prog && prog.mResult->success) {
|
|
state.mActiveLinkResult = prog.mResult;
|
|
}
|
|
}
|
|
return *(prog.mResult);
|
|
}
|
|
|
|
#undef RPROC
|
|
|
|
// ---------------------------
|
|
|
|
static inline size_t SizeOfViewElem(const dom::ArrayBufferView& view) {
|
|
const auto& elemType = view.Type();
|
|
if (elemType == js::Scalar::MaxTypedArrayViewType) // DataViews.
|
|
return 1;
|
|
|
|
return js::Scalar::byteSize(elemType);
|
|
}
|
|
|
|
bool ClientWebGLContext::ValidateArrayBufferView(
|
|
const dom::ArrayBufferView& view, GLuint elemOffset,
|
|
GLuint elemCountOverride, const GLenum errorEnum, uint8_t** const out_bytes,
|
|
size_t* const out_byteLen) const {
|
|
view.ComputeLengthAndData();
|
|
uint8_t* const bytes = view.DataAllowShared();
|
|
const size_t byteLen = view.LengthAllowShared();
|
|
|
|
const auto& elemSize = SizeOfViewElem(view);
|
|
|
|
size_t elemCount = byteLen / elemSize;
|
|
if (elemOffset > elemCount) {
|
|
EnqueueError(errorEnum, "Invalid offset into ArrayBufferView.");
|
|
return false;
|
|
}
|
|
elemCount -= elemOffset;
|
|
|
|
if (elemCountOverride) {
|
|
if (elemCountOverride > elemCount) {
|
|
EnqueueError(errorEnum, "Invalid sub-length for ArrayBufferView.");
|
|
return false;
|
|
}
|
|
elemCount = elemCountOverride;
|
|
}
|
|
|
|
*out_bytes = bytes + (elemOffset * elemSize);
|
|
*out_byteLen = elemCount * elemSize;
|
|
return true;
|
|
}
|
|
|
|
// ---------------------------
|
|
|
|
webgl::ObjectJS::ObjectJS(const ClientWebGLContext& webgl)
|
|
: mGeneration(webgl.mNotLost), mId(webgl.mNotLost->state.NextId()) {}
|
|
|
|
// -
|
|
|
|
WebGLFramebufferJS::WebGLFramebufferJS(const ClientWebGLContext& webgl)
|
|
: webgl::ObjectJS(webgl) {
|
|
(void)mAttachments[LOCAL_GL_DEPTH_ATTACHMENT];
|
|
(void)mAttachments[LOCAL_GL_STENCIL_ATTACHMENT];
|
|
if (!webgl.mIsWebGL2) {
|
|
(void)mAttachments[LOCAL_GL_DEPTH_STENCIL_ATTACHMENT];
|
|
}
|
|
|
|
EnsureColorAttachments();
|
|
}
|
|
|
|
void WebGLFramebufferJS::EnsureColorAttachments() {
|
|
const auto& webgl = Context();
|
|
const auto& limits = webgl->Limits();
|
|
auto maxColorDrawBuffers = limits.maxColorDrawBuffers;
|
|
if (!webgl->mIsWebGL2 &&
|
|
!webgl->IsExtensionEnabled(WebGLExtensionID::WEBGL_draw_buffers)) {
|
|
maxColorDrawBuffers = 1;
|
|
}
|
|
for (const auto i : IntegerRange(maxColorDrawBuffers)) {
|
|
(void)mAttachments[LOCAL_GL_COLOR_ATTACHMENT0 + i];
|
|
}
|
|
}
|
|
|
|
WebGLProgramJS::WebGLProgramJS(const ClientWebGLContext& webgl)
|
|
: webgl::ObjectJS(webgl),
|
|
mKeepAlive(std::make_shared<webgl::ProgramKeepAlive>(*this)),
|
|
mKeepAliveWeak(mKeepAlive) {
|
|
(void)mNextLink_Shaders[LOCAL_GL_VERTEX_SHADER];
|
|
(void)mNextLink_Shaders[LOCAL_GL_FRAGMENT_SHADER];
|
|
|
|
mResult = std::make_shared<webgl::LinkResult>();
|
|
}
|
|
|
|
WebGLShaderJS::WebGLShaderJS(const ClientWebGLContext& webgl, const GLenum type)
|
|
: webgl::ObjectJS(webgl),
|
|
mType(type),
|
|
mKeepAlive(std::make_shared<webgl::ShaderKeepAlive>(*this)),
|
|
mKeepAliveWeak(mKeepAlive) {}
|
|
|
|
WebGLTransformFeedbackJS::WebGLTransformFeedbackJS(
|
|
const ClientWebGLContext& webgl)
|
|
: webgl::ObjectJS(webgl),
|
|
mAttribBuffers(webgl.Limits().maxTransformFeedbackSeparateAttribs) {}
|
|
|
|
WebGLVertexArrayJS::WebGLVertexArrayJS(const ClientWebGLContext& webgl)
|
|
: webgl::ObjectJS(webgl), mAttribBuffers(webgl.Limits().maxVertexAttribs) {}
|
|
|
|
// -
|
|
|
|
#define _(WebGLType) \
|
|
JSObject* WebGLType##JS::WrapObject(JSContext* const cx, \
|
|
JS::Handle<JSObject*> givenProto) { \
|
|
return dom::WebGLType##_Binding::Wrap(cx, this, givenProto); \
|
|
}
|
|
|
|
_(WebGLBuffer)
|
|
_(WebGLFramebuffer)
|
|
_(WebGLProgram)
|
|
_(WebGLQuery)
|
|
_(WebGLRenderbuffer)
|
|
_(WebGLSampler)
|
|
_(WebGLShader)
|
|
_(WebGLSync)
|
|
_(WebGLTexture)
|
|
_(WebGLTransformFeedback)
|
|
_(WebGLUniformLocation)
|
|
//_(WebGLVertexArray) // The webidl is `WebGLVertexArrayObject` :(
|
|
|
|
#undef _
|
|
|
|
JSObject* WebGLVertexArrayJS::WrapObject(JSContext* const cx,
|
|
JS::Handle<JSObject*> givenProto) {
|
|
return dom::WebGLVertexArrayObject_Binding::Wrap(cx, this, givenProto);
|
|
}
|
|
|
|
bool WebGLActiveInfoJS::WrapObject(JSContext* const cx,
|
|
JS::Handle<JSObject*> givenProto,
|
|
JS::MutableHandle<JSObject*> reflector) {
|
|
return dom::WebGLActiveInfo_Binding::Wrap(cx, this, givenProto, reflector);
|
|
}
|
|
|
|
bool WebGLShaderPrecisionFormatJS::WrapObject(
|
|
JSContext* const cx, JS::Handle<JSObject*> givenProto,
|
|
JS::MutableHandle<JSObject*> reflector) {
|
|
return dom::WebGLShaderPrecisionFormat_Binding::Wrap(cx, this, givenProto,
|
|
reflector);
|
|
}
|
|
|
|
// ---------------------
|
|
|
|
// Todo: Move this to RefPtr.h.
|
|
template <typename T>
|
|
void ImplCycleCollectionTraverse(nsCycleCollectionTraversalCallback& callback,
|
|
const RefPtr<T>& field, const char* name,
|
|
uint32_t flags) {
|
|
ImplCycleCollectionTraverse(callback, const_cast<RefPtr<T>&>(field), name,
|
|
flags);
|
|
}
|
|
|
|
// -
|
|
|
|
template <typename T>
|
|
void ImplCycleCollectionTraverse(nsCycleCollectionTraversalCallback& callback,
|
|
const std::vector<RefPtr<T>>& field,
|
|
const char* name, uint32_t flags) {
|
|
for (const auto& cur : field) {
|
|
ImplCycleCollectionTraverse(callback, cur, name, flags);
|
|
}
|
|
}
|
|
|
|
template <typename T>
|
|
void ImplCycleCollectionUnlink(std::vector<RefPtr<T>>& field) {
|
|
field = {};
|
|
}
|
|
|
|
// -
|
|
|
|
template <typename T, size_t N>
|
|
void ImplCycleCollectionTraverse(nsCycleCollectionTraversalCallback& callback,
|
|
const std::array<RefPtr<T>, N>& field,
|
|
const char* name, uint32_t flags) {
|
|
for (const auto& cur : field) {
|
|
ImplCycleCollectionTraverse(callback, cur, name, flags);
|
|
}
|
|
}
|
|
|
|
template <typename T, size_t N>
|
|
void ImplCycleCollectionUnlink(std::array<RefPtr<T>, N>& field) {
|
|
field = {};
|
|
}
|
|
|
|
// -
|
|
|
|
template <typename T>
|
|
void ImplCycleCollectionTraverse(
|
|
nsCycleCollectionTraversalCallback& callback,
|
|
const std::unordered_map<GLenum, RefPtr<T>>& field, const char* name,
|
|
uint32_t flags) {
|
|
for (const auto& pair : field) {
|
|
ImplCycleCollectionTraverse(callback, pair.second, name, flags);
|
|
}
|
|
}
|
|
|
|
template <typename T>
|
|
void ImplCycleCollectionUnlink(std::unordered_map<GLenum, RefPtr<T>>& field) {
|
|
field = {};
|
|
}
|
|
|
|
// -
|
|
|
|
void ImplCycleCollectionTraverse(
|
|
nsCycleCollectionTraversalCallback& callback,
|
|
const std::unordered_map<GLenum, WebGLFramebufferJS::Attachment>& field,
|
|
const char* name, uint32_t flags) {
|
|
for (const auto& pair : field) {
|
|
const auto& attach = pair.second;
|
|
ImplCycleCollectionTraverse(callback, attach.rb, name, flags);
|
|
ImplCycleCollectionTraverse(callback, attach.tex, name, flags);
|
|
}
|
|
}
|
|
|
|
void ImplCycleCollectionUnlink(
|
|
std::unordered_map<GLenum, WebGLFramebufferJS::Attachment>& field) {
|
|
field = {};
|
|
}
|
|
|
|
// -
|
|
|
|
void ImplCycleCollectionTraverse(
|
|
nsCycleCollectionTraversalCallback& callback,
|
|
const std::unordered_map<GLenum, WebGLProgramJS::Attachment>& field,
|
|
const char* name, uint32_t flags) {
|
|
for (const auto& pair : field) {
|
|
const auto& attach = pair.second;
|
|
ImplCycleCollectionTraverse(callback, attach.shader, name, flags);
|
|
}
|
|
}
|
|
|
|
void ImplCycleCollectionUnlink(
|
|
std::unordered_map<GLenum, WebGLProgramJS::Attachment>& field) {
|
|
field = {};
|
|
}
|
|
|
|
// -
|
|
|
|
void ImplCycleCollectionUnlink(
|
|
const RefPtr<ClientWebGLExtensionLoseContext>& field) {
|
|
const_cast<RefPtr<ClientWebGLExtensionLoseContext>&>(field) = nullptr;
|
|
}
|
|
void ImplCycleCollectionUnlink(const RefPtr<WebGLProgramJS>& field) {
|
|
const_cast<RefPtr<WebGLProgramJS>&>(field) = nullptr;
|
|
}
|
|
void ImplCycleCollectionUnlink(const RefPtr<WebGLShaderJS>& field) {
|
|
const_cast<RefPtr<WebGLShaderJS>&>(field) = nullptr;
|
|
}
|
|
|
|
// ----------------------
|
|
|
|
void ImplCycleCollectionTraverse(
|
|
nsCycleCollectionTraversalCallback& callback,
|
|
const std::shared_ptr<webgl::NotLostData>& field, const char* name,
|
|
uint32_t flags) {
|
|
if (!field) return;
|
|
|
|
ImplCycleCollectionTraverse(callback, field->extensions,
|
|
"NotLostData.extensions", flags);
|
|
|
|
const auto& state = field->state;
|
|
|
|
ImplCycleCollectionTraverse(callback, state.mDefaultTfo, "state.mDefaultTfo",
|
|
flags);
|
|
ImplCycleCollectionTraverse(callback, state.mDefaultVao, "state.mDefaultVao",
|
|
flags);
|
|
|
|
ImplCycleCollectionTraverse(callback, state.mCurrentProgram,
|
|
"state.mCurrentProgram", flags);
|
|
|
|
ImplCycleCollectionTraverse(callback, state.mBoundBufferByTarget,
|
|
"state.mBoundBufferByTarget", flags);
|
|
ImplCycleCollectionTraverse(callback, state.mBoundUbos, "state.mBoundUbos",
|
|
flags);
|
|
ImplCycleCollectionTraverse(callback, state.mBoundDrawFb,
|
|
"state.mBoundDrawFb", flags);
|
|
ImplCycleCollectionTraverse(callback, state.mBoundReadFb,
|
|
"state.mBoundReadFb", flags);
|
|
ImplCycleCollectionTraverse(callback, state.mBoundRb, "state.mBoundRb",
|
|
flags);
|
|
ImplCycleCollectionTraverse(callback, state.mBoundTfo, "state.mBoundTfo",
|
|
flags);
|
|
ImplCycleCollectionTraverse(callback, state.mBoundVao, "state.mBoundVao",
|
|
flags);
|
|
ImplCycleCollectionTraverse(callback, state.mCurrentQueryByTarget,
|
|
"state.state.mCurrentQueryByTarget", flags);
|
|
|
|
for (const auto& texUnit : state.mTexUnits) {
|
|
ImplCycleCollectionTraverse(callback, texUnit.sampler,
|
|
"state.mTexUnits[].sampler", flags);
|
|
ImplCycleCollectionTraverse(callback, texUnit.texByTarget,
|
|
"state.mTexUnits[].texByTarget", flags);
|
|
}
|
|
}
|
|
|
|
void ImplCycleCollectionUnlink(std::shared_ptr<webgl::NotLostData>& field) {
|
|
if (!field) return;
|
|
field->extensions = {};
|
|
field->state = {};
|
|
}
|
|
|
|
// -----------------------------------------------------
|
|
|
|
NS_IMPL_CYCLE_COLLECTION_WRAPPERCACHE_0(WebGLBufferJS)
|
|
NS_IMPL_CYCLE_COLLECTION_WRAPPERCACHE(WebGLFramebufferJS, mAttachments)
|
|
NS_IMPL_CYCLE_COLLECTION_WRAPPERCACHE(WebGLProgramJS, mNextLink_Shaders)
|
|
NS_IMPL_CYCLE_COLLECTION_WRAPPERCACHE_0(WebGLQueryJS)
|
|
NS_IMPL_CYCLE_COLLECTION_WRAPPERCACHE_0(WebGLRenderbufferJS)
|
|
NS_IMPL_CYCLE_COLLECTION_WRAPPERCACHE_0(WebGLSamplerJS)
|
|
NS_IMPL_CYCLE_COLLECTION_WRAPPERCACHE_0(WebGLShaderJS)
|
|
NS_IMPL_CYCLE_COLLECTION_WRAPPERCACHE_0(WebGLSyncJS)
|
|
NS_IMPL_CYCLE_COLLECTION_WRAPPERCACHE_0(WebGLTextureJS)
|
|
NS_IMPL_CYCLE_COLLECTION_WRAPPERCACHE(WebGLTransformFeedbackJS, mAttribBuffers,
|
|
mActiveProgram)
|
|
NS_IMPL_CYCLE_COLLECTION_WRAPPERCACHE_0(WebGLUniformLocationJS)
|
|
NS_IMPL_CYCLE_COLLECTION_WRAPPERCACHE(WebGLVertexArrayJS, mIndexBuffer,
|
|
mAttribBuffers)
|
|
|
|
// -
|
|
|
|
NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(ClientWebGLContext)
|
|
NS_WRAPPERCACHE_INTERFACE_MAP_ENTRY
|
|
NS_INTERFACE_MAP_ENTRY(nsICanvasRenderingContextInternal)
|
|
NS_INTERFACE_MAP_ENTRY(nsISupports)
|
|
NS_INTERFACE_MAP_END
|
|
|
|
NS_IMPL_CYCLE_COLLECTING_ADDREF(ClientWebGLContext)
|
|
NS_IMPL_CYCLE_COLLECTING_RELEASE(ClientWebGLContext)
|
|
|
|
NS_IMPL_CYCLE_COLLECTION_WRAPPERCACHE(
|
|
ClientWebGLContext, mExtLoseContext, mNotLost,
|
|
// Don't forget nsICanvasRenderingContextInternal:
|
|
mCanvasElement, mOffscreenCanvas)
|
|
|
|
// -----------------------------
|
|
|
|
#define _(X) \
|
|
NS_IMPL_CYCLE_COLLECTION_ROOT_NATIVE(WebGL##X##JS, AddRef) \
|
|
NS_IMPL_CYCLE_COLLECTION_UNROOT_NATIVE(WebGL##X##JS, Release)
|
|
|
|
_(Buffer)
|
|
_(Framebuffer)
|
|
_(Program)
|
|
_(Query)
|
|
_(Renderbuffer)
|
|
_(Sampler)
|
|
_(Shader)
|
|
_(Sync)
|
|
_(Texture)
|
|
_(TransformFeedback)
|
|
_(UniformLocation)
|
|
_(VertexArray)
|
|
|
|
#undef _
|
|
|
|
} // namespace mozilla
|