mirror of
https://github.com/mozilla/gecko-dev.git
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807 lines
27 KiB
C++
807 lines
27 KiB
C++
/* -*- Mode: C++; tab-width: 4; 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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#ifndef HOSTWEBGLCONTEXT_H_
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#define HOSTWEBGLCONTEXT_H_
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#include "mozilla/dom/BindingUtils.h"
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#include "mozilla/GfxMessageUtils.h"
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#include "ClientWebGLContext.h"
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#include "mozilla/Maybe.h"
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#include "mozilla/UniquePtr.h"
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#include "GLContext.h"
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#include "WebGLContext.h"
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#include "WebGL2Context.h"
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#include "WebGLFramebuffer.h"
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#include "WebGLTypes.h"
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#include "WebGLCommandQueue.h"
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#include <unordered_map>
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#include <unordered_set>
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#include <vector>
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namespace mozilla {
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namespace dom {
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class WebGLParent;
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}
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namespace layers {
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class CompositableHost;
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}
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struct LockedOutstandingContexts final {
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private:
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// StaticMutexAutoLock lock; // We can't use it directly (STACK_CLASS), but
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// this is effectively what we hold via RAII.
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public:
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const std::unordered_set<HostWebGLContext*>& contexts;
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LockedOutstandingContexts();
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~LockedOutstandingContexts();
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};
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/**
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* Host endpoint of a WebGLContext. HostWebGLContext owns a WebGLContext
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* that it uses to execute commands sent from its ClientWebGLContext.
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*
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* A HostWebGLContext continuously issues a Task to the Compositor thread that
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* causes it to drain its queue of commands. It also maintains a map of WebGL
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* objects (e.g. ObjectIdMap<WebGLShader>) that it uses associate them with
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* their cross-process IDs.
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*
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* This class is not an implementation of the
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* nsICanvasRenderingContextInternal DOM class. That is the
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* ClientWebGLContext.
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*/
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class HostWebGLContext final : public SupportsWeakPtr {
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friend class WebGLContext;
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friend class WebGLMemoryTracker;
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friend class dom::WebGLParent;
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using ObjectId = webgl::ObjectId;
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static std::unique_ptr<LockedOutstandingContexts> OutstandingContexts() {
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return std::make_unique<LockedOutstandingContexts>();
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}
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public:
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struct OwnerData final {
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ClientWebGLContext* inProcess = nullptr;
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dom::WebGLParent* outOfProcess = nullptr;
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};
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static UniquePtr<HostWebGLContext> Create(const OwnerData&,
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const webgl::InitContextDesc&,
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webgl::InitContextResult* out);
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private:
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explicit HostWebGLContext(const OwnerData&);
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public:
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virtual ~HostWebGLContext();
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WebGLContext* GetWebGLContext() const { return mContext; }
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public:
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const OwnerData mOwnerData;
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private:
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RefPtr<WebGLContext> mContext;
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#define _(X) std::unordered_map<ObjectId, RefPtr<WebGL##X>> m##X##Map;
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_(Buffer)
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_(Framebuffer)
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_(Program)
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_(Query)
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_(Renderbuffer)
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_(Sampler)
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_(Shader)
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_(Sync)
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_(Texture)
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_(TransformFeedback)
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_(VertexArray)
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#undef _
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class AutoResolveT final {
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friend class HostWebGLContext;
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const HostWebGLContext& mParent;
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const ObjectId mId;
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public:
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AutoResolveT(const HostWebGLContext& parent, const ObjectId id)
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: mParent(parent), mId(id) {}
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#define _(X) \
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WebGL##X* As(WebGL##X*) const { \
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const auto maybe = MaybeFind(mParent.m##X##Map, mId); \
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if (!maybe) return nullptr; \
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return maybe->get(); \
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}
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_(Buffer)
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_(Framebuffer)
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_(Program)
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_(Query)
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_(Renderbuffer)
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_(Sampler)
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_(Shader)
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_(Sync)
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_(Texture)
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_(TransformFeedback)
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_(VertexArray)
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#undef _
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template <typename T>
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MOZ_IMPLICIT operator T*() const {
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T* coercer = nullptr;
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return As(coercer);
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}
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template <typename T>
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MOZ_IMPLICIT operator const T*() const {
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T* coercer = nullptr;
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return As(coercer);
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}
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};
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AutoResolveT AutoResolve(const ObjectId id) const { return {*this, id}; }
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template <typename T>
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T* ById(const ObjectId id) const {
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T* coercer = nullptr;
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return AutoResolve(id).As(coercer);
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}
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// -------------------------------------------------------------------------
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// Host-side methods. Calls in the client are forwarded to the host.
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// -------------------------------------------------------------------------
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public:
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// ------------------------- Composition -------------------------
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void SetCompositableHost(RefPtr<layers::CompositableHost>& compositableHost) {
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mContext->SetCompositableHost(compositableHost);
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}
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void Present(const ObjectId xrFb, const layers::TextureType t,
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const bool webvr, const webgl::SwapChainOptions& options) const {
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return (void)mContext->Present(AutoResolve(xrFb), t, webvr, options);
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}
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void CopyToSwapChain(const ObjectId fb, const layers::TextureType t,
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const webgl::SwapChainOptions& options) const {
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return (void)mContext->CopyToSwapChain(AutoResolve(fb), t, options);
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}
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void WaitForTxn(const layers::RemoteTextureOwnerId aOwnerId,
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const layers::RemoteTextureTxnType txnType,
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const layers::RemoteTextureTxnId txnId) {
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mContext->WaitForTxn(aOwnerId, txnType, txnId);
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}
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void EndOfFrame() const { return (void)mContext->EndOfFrame(); }
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Maybe<layers::SurfaceDescriptor> GetFrontBuffer(ObjectId xrFb,
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const bool webvr) const;
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// -
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Maybe<uvec2> FrontBufferSnapshotInto(Maybe<Range<uint8_t>> dest) const {
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return mContext->FrontBufferSnapshotInto(dest);
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}
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Maybe<uvec2> FrontBufferSnapshotInto(
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std::shared_ptr<gl::SharedSurface>& front,
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Maybe<Range<uint8_t>> dest) const {
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return mContext->FrontBufferSnapshotInto(front, dest);
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}
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void ClearVRSwapChain() const { mContext->ClearVRSwapChain(); }
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// -
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void Resize(const uvec2& size) { return mContext->Resize(size); }
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uvec2 DrawingBufferSize() { return mContext->DrawingBufferSize(); }
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void OnMemoryPressure() { return mContext->OnMemoryPressure(); }
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void DidRefresh() { mContext->DidRefresh(); }
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void GenerateError(const GLenum error, const std::string& text) const {
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mContext->GenerateErrorImpl(error, text);
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}
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void OnContextLoss(webgl::ContextLossReason);
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void RequestExtension(const WebGLExtensionID ext) {
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mContext->RequestExtension(ext);
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}
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// -
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// Child-ward
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void JsWarning(const std::string&) const;
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// -
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// Creation and destruction
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void CreateBuffer(ObjectId);
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void CreateFramebuffer(ObjectId);
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bool CreateOpaqueFramebuffer(ObjectId,
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const webgl::OpaqueFramebufferOptions& options);
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void CreateProgram(ObjectId);
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void CreateQuery(ObjectId);
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void CreateRenderbuffer(ObjectId);
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void CreateSampler(ObjectId);
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void CreateShader(ObjectId, GLenum type);
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void CreateSync(ObjectId);
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void CreateTexture(ObjectId);
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void CreateTransformFeedback(ObjectId);
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void CreateVertexArray(ObjectId);
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void DeleteBuffer(ObjectId);
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void DeleteFramebuffer(ObjectId);
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void DeleteProgram(ObjectId);
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void DeleteQuery(ObjectId);
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void DeleteRenderbuffer(ObjectId);
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void DeleteSampler(ObjectId);
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void DeleteShader(ObjectId);
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void DeleteSync(ObjectId);
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void DeleteTexture(ObjectId);
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void DeleteTransformFeedback(ObjectId);
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void DeleteVertexArray(ObjectId);
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// ------------------------- GL State -------------------------
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bool IsContextLost() const { return mContext->IsContextLost(); }
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void SetEnabled(GLenum cap, Maybe<GLuint> i, bool val) const {
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mContext->SetEnabled(cap, i, val);
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}
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Maybe<double> GetNumber(GLenum pname) const {
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return mContext->GetParameter(pname);
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}
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Maybe<std::string> GetString(GLenum pname) const {
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return mContext->GetString(pname);
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}
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void AttachShader(ObjectId prog, ObjectId shader) const {
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const auto pProg = ById<WebGLProgram>(prog);
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const auto pShader = ById<WebGLShader>(shader);
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if (!pProg || !pShader) return;
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mContext->AttachShader(*pProg, *pShader);
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}
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void BindAttribLocation(ObjectId id, GLuint location,
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const std::string& name) const {
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const auto obj = ById<WebGLProgram>(id);
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if (!obj) return;
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mContext->BindAttribLocation(*obj, location, name);
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}
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void BindFramebuffer(GLenum target, ObjectId id) const {
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mContext->BindFramebuffer(target, AutoResolve(id));
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}
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void BlendColor(GLclampf r, GLclampf g, GLclampf b, GLclampf a) const {
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mContext->BlendColor(r, g, b, a);
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}
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void BlendEquationSeparate(Maybe<GLuint> i, GLenum modeRGB,
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GLenum modeAlpha) const {
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mContext->BlendEquationSeparate(i, modeRGB, modeAlpha);
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}
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void BlendFuncSeparate(Maybe<GLuint> i, GLenum srcRGB, GLenum dstRGB,
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GLenum srcAlpha, GLenum dstAlpha) const {
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mContext->BlendFuncSeparate(i, srcRGB, dstRGB, srcAlpha, dstAlpha);
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}
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GLenum CheckFramebufferStatus(GLenum target) const {
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return mContext->CheckFramebufferStatus(target);
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}
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void Clear(GLbitfield mask) const { mContext->Clear(mask); }
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void ClearColor(GLclampf r, GLclampf g, GLclampf b, GLclampf a) const {
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mContext->ClearColor(r, g, b, a);
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}
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void ClearDepth(GLclampf v) const { mContext->ClearDepth(v); }
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void ClearStencil(GLint v) const { mContext->ClearStencil(v); }
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void ColorMask(Maybe<GLuint> i, uint8_t mask) const {
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mContext->ColorMask(i, mask);
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}
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void CompileShader(const ObjectId id) const {
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const auto obj = ById<WebGLShader>(id);
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if (!obj) return;
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mContext->CompileShader(*obj);
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}
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void CullFace(GLenum face) const { mContext->CullFace(face); }
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void DepthFunc(GLenum func) const { mContext->DepthFunc(func); }
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void DepthMask(WebGLboolean b) const { mContext->DepthMask(b); }
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void DepthRange(GLclampf zNear, GLclampf zFar) const {
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mContext->DepthRange(zNear, zFar);
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}
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void DetachShader(const ObjectId prog, const ObjectId shader) const {
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const auto pProg = ById<WebGLProgram>(prog);
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const auto pShader = ById<WebGLShader>(shader);
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if (!pProg || !pShader) return;
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mContext->DetachShader(*pProg, *pShader);
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}
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void Flush() const { mContext->Flush(); }
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void Finish() const { mContext->Finish(); }
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void FramebufferAttach(const GLenum target, const GLenum attachSlot,
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const GLenum bindImageTarget, const ObjectId id,
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const GLint mipLevel, const GLint zLayerBase,
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const GLsizei numViewLayers) const {
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webgl::FbAttachInfo toAttach;
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toAttach.rb = AutoResolve(id);
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toAttach.tex = AutoResolve(id);
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toAttach.mipLevel = mipLevel;
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toAttach.zLayer = zLayerBase;
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if (numViewLayers) {
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toAttach.zLayerCount = numViewLayers;
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toAttach.isMultiview = true;
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}
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mContext->FramebufferAttach(target, attachSlot, bindImageTarget, toAttach);
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}
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void FrontFace(GLenum mode) const { mContext->FrontFace(mode); }
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Maybe<double> GetBufferParameter(GLenum target, GLenum pname) const {
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return mContext->GetBufferParameter(target, pname);
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}
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webgl::CompileResult GetCompileResult(ObjectId id) const {
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const auto obj = ById<WebGLShader>(id);
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if (!obj) return {};
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return mContext->GetCompileResult(*obj);
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}
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GLenum GetError() const { return mContext->GetError(); }
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GLint GetFragDataLocation(ObjectId id, const std::string& name) const {
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const auto obj = ById<WebGLProgram>(id);
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if (!obj) return -1;
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return mContext->GetFragDataLocation(*obj, name);
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}
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Maybe<double> GetFramebufferAttachmentParameter(ObjectId id,
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GLenum attachment,
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GLenum pname) const {
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return mContext->GetFramebufferAttachmentParameter(AutoResolve(id),
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attachment, pname);
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}
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webgl::LinkResult GetLinkResult(ObjectId id) const {
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const auto obj = ById<WebGLProgram>(id);
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if (!obj) return {};
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return mContext->GetLinkResult(*obj);
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}
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Maybe<double> GetRenderbufferParameter(ObjectId id, GLenum pname) const {
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const auto obj = ById<WebGLRenderbuffer>(id);
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if (!obj) return {};
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return mContext->GetRenderbufferParameter(*obj, pname);
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}
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Maybe<webgl::ShaderPrecisionFormat> GetShaderPrecisionFormat(
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GLenum shaderType, GLenum precisionType) const {
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return mContext->GetShaderPrecisionFormat(shaderType, precisionType);
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}
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webgl::GetUniformData GetUniform(ObjectId id, uint32_t loc) const {
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const auto obj = ById<WebGLProgram>(id);
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if (!obj) return {};
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return mContext->GetUniform(*obj, loc);
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}
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void Hint(GLenum target, GLenum mode) const { mContext->Hint(target, mode); }
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void LineWidth(GLfloat width) const { mContext->LineWidth(width); }
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void LinkProgram(const ObjectId id) const {
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const auto obj = ById<WebGLProgram>(id);
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if (!obj) return;
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mContext->LinkProgram(*obj);
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}
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void PolygonOffset(GLfloat factor, GLfloat units) const {
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mContext->PolygonOffset(factor, units);
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}
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void SampleCoverage(GLclampf value, bool invert) const {
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mContext->SampleCoverage(value, invert);
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}
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void Scissor(GLint x, GLint y, GLsizei width, GLsizei height) const {
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mContext->Scissor(x, y, width, height);
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}
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// TODO: s/nsAString/std::string/
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void ShaderSource(const ObjectId id, const std::string& source) const {
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const auto obj = ById<WebGLShader>(id);
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if (!obj) return;
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mContext->ShaderSource(*obj, source);
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}
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void StencilFuncSeparate(GLenum face, GLenum func, GLint ref,
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GLuint mask) const {
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mContext->StencilFuncSeparate(face, func, ref, mask);
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}
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void StencilMaskSeparate(GLenum face, GLuint mask) const {
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mContext->StencilMaskSeparate(face, mask);
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}
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void StencilOpSeparate(GLenum face, GLenum sfail, GLenum dpfail,
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GLenum dppass) const {
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mContext->StencilOpSeparate(face, sfail, dpfail, dppass);
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}
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void Viewport(GLint x, GLint y, GLsizei width, GLsizei height) const {
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mContext->Viewport(x, y, width, height);
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}
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// ------------------------- Buffer Objects -------------------------
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void BindBuffer(GLenum target, const ObjectId id) const {
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mContext->BindBuffer(target, AutoResolve(id));
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}
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void BindBufferRange(GLenum target, GLuint index, const ObjectId id,
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uint64_t offset, uint64_t size) const {
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GetWebGL2Context()->BindBufferRange(target, index, AutoResolve(id), offset,
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size);
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}
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void CopyBufferSubData(GLenum readTarget, GLenum writeTarget,
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uint64_t readOffset, uint64_t writeOffset,
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uint64_t size) const {
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GetWebGL2Context()->CopyBufferSubData(readTarget, writeTarget, readOffset,
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writeOffset, size);
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}
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bool GetBufferSubData(GLenum target, uint64_t srcByteOffset,
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const Range<uint8_t>& dest) const {
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return GetWebGL2Context()->GetBufferSubData(target, srcByteOffset, dest);
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}
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void BufferData(GLenum target, const Span<const uint8_t>& srcData,
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GLenum usage) const {
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mContext->BufferData(target, srcData.size(), srcData.data(), usage);
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}
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void BufferData_SizeOnly(GLenum target, size_t byteSize, GLenum usage) const {
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mContext->BufferData(target, byteSize, nullptr, usage);
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}
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void BufferSubData(GLenum target, uint64_t dstByteOffset,
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const Span<const uint8_t>& srcData,
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bool unsynchronized = false) const {
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mContext->BufferSubData(target, dstByteOffset, srcData.size(),
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srcData.data(), unsynchronized);
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}
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// -------------------------- Framebuffer Objects --------------------------
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void BlitFramebuffer(GLint srcX0, GLint srcY0, GLint srcX1, GLint srcY1,
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GLint dstX0, GLint dstY0, GLint dstX1, GLint dstY1,
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GLbitfield mask, GLenum filter) const {
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GetWebGL2Context()->BlitFramebuffer(srcX0, srcY0, srcX1, srcY1, dstX0,
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dstY0, dstX1, dstY1, mask, filter);
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}
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void InvalidateFramebuffer(GLenum target,
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const Span<const GLenum>& attachments) const {
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GetWebGL2Context()->InvalidateFramebuffer(target, attachments);
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}
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void InvalidateSubFramebuffer(GLenum target,
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const Span<const GLenum>& attachments, GLint x,
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GLint y, GLsizei width, GLsizei height) const {
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GetWebGL2Context()->InvalidateSubFramebuffer(target, attachments, x, y,
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width, height);
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}
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void ReadBuffer(GLenum mode) const { GetWebGL2Context()->ReadBuffer(mode); }
|
|
|
|
// ----------------------- Renderbuffer objects -----------------------
|
|
Maybe<std::vector<int32_t>> GetInternalformatParameter(GLenum target,
|
|
GLenum internalformat,
|
|
GLenum pname) const {
|
|
return GetWebGL2Context()->GetInternalformatParameter(
|
|
target, internalformat, pname);
|
|
}
|
|
|
|
void RenderbufferStorageMultisample(ObjectId id, uint32_t samples,
|
|
GLenum internalFormat, uint32_t width,
|
|
uint32_t height) const {
|
|
const auto obj = ById<WebGLRenderbuffer>(id);
|
|
if (!obj) return;
|
|
mContext->RenderbufferStorageMultisample(*obj, samples, internalFormat,
|
|
width, height);
|
|
}
|
|
|
|
// --------------------------- Texture objects ---------------------------
|
|
void ActiveTexture(uint32_t texUnit) const {
|
|
mContext->ActiveTexture(texUnit);
|
|
}
|
|
|
|
void BindTexture(GLenum texTarget, const ObjectId id) const {
|
|
mContext->BindTexture(texTarget, AutoResolve(id));
|
|
}
|
|
|
|
void GenerateMipmap(GLenum texTarget) const {
|
|
mContext->GenerateMipmap(texTarget);
|
|
}
|
|
|
|
// CompressedTexSubImage if `sub`
|
|
void CompressedTexImage(bool sub, GLenum imageTarget, uint32_t level,
|
|
GLenum format, const uvec3& offset, const uvec3& size,
|
|
const Span<const uint8_t>& src,
|
|
const uint32_t pboImageSize,
|
|
const Maybe<uint64_t>& pboOffset) const {
|
|
mContext->CompressedTexImage(sub, imageTarget, level, format, offset, size,
|
|
src, pboImageSize, pboOffset);
|
|
}
|
|
|
|
// CopyTexSubImage if `!respecFormat`
|
|
void CopyTexImage(GLenum imageTarget, uint32_t level, GLenum respecFormat,
|
|
const uvec3& dstOffset, const ivec2& srcOffset,
|
|
const uvec2& size) const {
|
|
mContext->CopyTexImage(imageTarget, level, respecFormat, dstOffset,
|
|
srcOffset, size);
|
|
}
|
|
|
|
// TexSubImage if `!respecFormat`
|
|
void TexImage(uint32_t level, GLenum respecFormat, const uvec3& offset,
|
|
const webgl::PackingInfo& pi,
|
|
const webgl::TexUnpackBlobDesc& src) const {
|
|
mContext->TexImage(level, respecFormat, offset, pi, src);
|
|
}
|
|
|
|
void TexStorage(GLenum texTarget, uint32_t levels, GLenum internalFormat,
|
|
const uvec3& size) const {
|
|
GetWebGL2Context()->TexStorage(texTarget, levels, internalFormat, size);
|
|
}
|
|
|
|
Maybe<double> GetTexParameter(ObjectId id, GLenum pname) const {
|
|
const auto obj = ById<WebGLTexture>(id);
|
|
if (!obj) return {};
|
|
return mContext->GetTexParameter(*obj, pname);
|
|
}
|
|
|
|
void TexParameter_base(GLenum texTarget, GLenum pname,
|
|
const FloatOrInt& param) const {
|
|
mContext->TexParameter_base(texTarget, pname, param);
|
|
}
|
|
|
|
// ------------------- Programs and shaders --------------------------------
|
|
void UseProgram(ObjectId id) const { mContext->UseProgram(AutoResolve(id)); }
|
|
|
|
bool ValidateProgram(ObjectId id) const {
|
|
const auto obj = ById<WebGLProgram>(id);
|
|
if (!obj) return false;
|
|
return mContext->ValidateProgram(*obj);
|
|
}
|
|
|
|
// ------------------------ Uniforms and attributes ------------------------
|
|
|
|
void UniformData(uint32_t loc, bool transpose,
|
|
const Span<const webgl::UniformDataVal>& data) const {
|
|
mContext->UniformData(loc, transpose, data);
|
|
}
|
|
|
|
void VertexAttrib4T(GLuint index, const webgl::TypedQuad& data) const {
|
|
mContext->VertexAttrib4T(index, data);
|
|
}
|
|
|
|
void VertexAttribDivisor(GLuint index, GLuint divisor) const {
|
|
mContext->VertexAttribDivisor(index, divisor);
|
|
}
|
|
|
|
Maybe<double> GetIndexedParameter(GLenum target, GLuint index) const {
|
|
return GetWebGL2Context()->GetIndexedParameter(target, index);
|
|
}
|
|
|
|
void UniformBlockBinding(const ObjectId id, GLuint uniformBlockIndex,
|
|
GLuint uniformBlockBinding) const {
|
|
const auto obj = ById<WebGLProgram>(id);
|
|
if (!obj) return;
|
|
GetWebGL2Context()->UniformBlockBinding(*obj, uniformBlockIndex,
|
|
uniformBlockBinding);
|
|
}
|
|
|
|
void EnableVertexAttribArray(GLuint index) const {
|
|
mContext->EnableVertexAttribArray(index);
|
|
}
|
|
|
|
void DisableVertexAttribArray(GLuint index) const {
|
|
mContext->DisableVertexAttribArray(index);
|
|
}
|
|
|
|
Maybe<double> GetVertexAttrib(GLuint index, GLenum pname) const {
|
|
return mContext->GetVertexAttrib(index, pname);
|
|
}
|
|
|
|
void VertexAttribPointer(GLuint index,
|
|
const webgl::VertAttribPointerDesc& desc) const {
|
|
mContext->VertexAttribPointer(index, desc);
|
|
}
|
|
|
|
// --------------------------- Buffer Operations --------------------------
|
|
void ClearBufferTv(GLenum buffer, GLint drawBuffer,
|
|
const webgl::TypedQuad& data) const {
|
|
GetWebGL2Context()->ClearBufferTv(buffer, drawBuffer, data);
|
|
}
|
|
|
|
void ClearBufferfi(GLenum buffer, GLint drawBuffer, GLfloat depth,
|
|
GLint stencil) const {
|
|
GetWebGL2Context()->ClearBufferfi(buffer, drawBuffer, depth, stencil);
|
|
}
|
|
|
|
// ------------------------------ Readback -------------------------------
|
|
void ReadPixelsPbo(const webgl::ReadPixelsDesc& desc,
|
|
const uint64_t offset) const {
|
|
mContext->ReadPixelsPbo(desc, offset);
|
|
}
|
|
|
|
webgl::ReadPixelsResult ReadPixelsInto(const webgl::ReadPixelsDesc& desc,
|
|
const Range<uint8_t>& dest) const {
|
|
return mContext->ReadPixelsInto(desc, dest);
|
|
}
|
|
|
|
// ----------------------------- Sampler -----------------------------------
|
|
|
|
void BindSampler(GLuint unit, ObjectId id) const {
|
|
GetWebGL2Context()->BindSampler(unit, AutoResolve(id));
|
|
}
|
|
|
|
void SamplerParameteri(ObjectId id, GLenum pname, GLint param) const {
|
|
const auto obj = ById<WebGLSampler>(id);
|
|
if (!obj) return;
|
|
GetWebGL2Context()->SamplerParameteri(*obj, pname, param);
|
|
}
|
|
|
|
void SamplerParameterf(ObjectId id, GLenum pname, GLfloat param) const {
|
|
const auto obj = ById<WebGLSampler>(id);
|
|
if (!obj) return;
|
|
GetWebGL2Context()->SamplerParameterf(*obj, pname, param);
|
|
}
|
|
|
|
Maybe<double> GetSamplerParameter(ObjectId id, GLenum pname) const {
|
|
const auto obj = ById<WebGLSampler>(id);
|
|
if (!obj) return {};
|
|
return GetWebGL2Context()->GetSamplerParameter(*obj, pname);
|
|
}
|
|
|
|
// ------------------------------- GL Sync ---------------------------------
|
|
|
|
GLenum ClientWaitSync(ObjectId id, GLbitfield flags, GLuint64 timeout) const {
|
|
const auto obj = ById<WebGLSync>(id);
|
|
if (!obj) return LOCAL_GL_WAIT_FAILED;
|
|
return GetWebGL2Context()->ClientWaitSync(*obj, flags, timeout);
|
|
}
|
|
|
|
// -------------------------- Transform Feedback ---------------------------
|
|
void BindTransformFeedback(ObjectId id) const {
|
|
GetWebGL2Context()->BindTransformFeedback(AutoResolve(id));
|
|
}
|
|
|
|
void BeginTransformFeedback(GLenum primitiveMode) const {
|
|
GetWebGL2Context()->BeginTransformFeedback(primitiveMode);
|
|
}
|
|
|
|
void EndTransformFeedback() const {
|
|
GetWebGL2Context()->EndTransformFeedback();
|
|
}
|
|
|
|
void PauseTransformFeedback() const {
|
|
GetWebGL2Context()->PauseTransformFeedback();
|
|
}
|
|
|
|
void ResumeTransformFeedback() const {
|
|
GetWebGL2Context()->ResumeTransformFeedback();
|
|
}
|
|
|
|
void TransformFeedbackVaryings(ObjectId id,
|
|
const std::vector<std::string>& varyings,
|
|
GLenum bufferMode) const {
|
|
const auto obj = ById<WebGLProgram>(id);
|
|
if (!obj) return;
|
|
GetWebGL2Context()->TransformFeedbackVaryings(*obj, varyings, bufferMode);
|
|
}
|
|
|
|
// -------------------------- Opaque Framebuffers ---------------------------
|
|
void SetFramebufferIsInOpaqueRAF(ObjectId id, bool value) {
|
|
WebGLFramebuffer* fb = AutoResolve(id);
|
|
if (fb) {
|
|
fb->mInOpaqueRAF = value;
|
|
}
|
|
}
|
|
|
|
// -------------------------------------------------------------------------
|
|
// Host-side extension methods. Calls in the client are forwarded to the
|
|
// host. Some extension methods are also available in WebGL2 Contexts. For
|
|
// them, the final parameter is a boolean indicating if the call originated
|
|
// from an extension.
|
|
// -------------------------------------------------------------------------
|
|
|
|
// Misc. Extensions
|
|
void DrawBuffers(const std::vector<GLenum>& buffers) const {
|
|
mContext->DrawBuffers(buffers);
|
|
}
|
|
|
|
// VertexArrayObjectEXT
|
|
void BindVertexArray(ObjectId id) const {
|
|
mContext->BindVertexArray(AutoResolve(id));
|
|
}
|
|
|
|
// InstancedElementsEXT
|
|
void DrawArraysInstanced(GLenum mode, GLint first, GLsizei vertCount,
|
|
GLsizei primCount) const {
|
|
mContext->DrawArraysInstanced(mode, first, vertCount, primCount);
|
|
}
|
|
|
|
void DrawElementsInstanced(GLenum mode, GLsizei vertCount, GLenum type,
|
|
WebGLintptr offset, GLsizei primCount) const {
|
|
mContext->DrawElementsInstanced(mode, vertCount, type, offset, primCount);
|
|
}
|
|
|
|
// GLQueryEXT
|
|
void BeginQuery(GLenum target, ObjectId id) const {
|
|
const auto obj = ById<WebGLQuery>(id);
|
|
if (!obj) return;
|
|
mContext->BeginQuery(target, *obj);
|
|
}
|
|
|
|
void EndQuery(GLenum target) const { mContext->EndQuery(target); }
|
|
|
|
void QueryCounter(ObjectId id) const {
|
|
const auto obj = ById<WebGLQuery>(id);
|
|
if (!obj) return;
|
|
mContext->QueryCounter(*obj);
|
|
}
|
|
|
|
Maybe<double> GetQueryParameter(ObjectId id, GLenum pname) const {
|
|
const auto obj = ById<WebGLQuery>(id);
|
|
if (!obj) return {};
|
|
return mContext->GetQueryParameter(*obj, pname);
|
|
}
|
|
|
|
// WEBGL_provoking_vertex
|
|
void ProvokingVertex(const webgl::ProvokingVertex mode) const {
|
|
mContext->ProvokingVertex(mode);
|
|
}
|
|
|
|
// -------------------------------------------------------------------------
|
|
// Client-side methods. Calls in the Host are forwarded to the client.
|
|
// -------------------------------------------------------------------------
|
|
public:
|
|
void OnLostContext();
|
|
void OnRestoredContext();
|
|
|
|
protected:
|
|
WebGL2Context* GetWebGL2Context() const {
|
|
MOZ_RELEASE_ASSERT(mContext->IsWebGL2(), "Requires WebGL2 context");
|
|
return static_cast<WebGL2Context*>(mContext.get());
|
|
}
|
|
};
|
|
|
|
} // namespace mozilla
|
|
|
|
#endif // HOSTWEBGLCONTEXT_H_
|