mirror of
https://github.com/mozilla/gecko-dev.git
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137 lines
3.4 KiB
C++
137 lines
3.4 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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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 "WebGL2Context.h"
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#include "GLContext.h"
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#include "WebGLSync.h"
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namespace mozilla {
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// -------------------------------------------------------------------------
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// Sync objects
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already_AddRefed<WebGLSync>
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WebGL2Context::FenceSync(GLenum condition, GLbitfield flags)
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{
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if (IsContextLost())
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return nullptr;
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if (condition != LOCAL_GL_SYNC_GPU_COMMANDS_COMPLETE) {
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ErrorInvalidEnum("fenceSync: condition must be SYNC_GPU_COMMANDS_COMPLETE");
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return nullptr;
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}
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if (flags != 0) {
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ErrorInvalidValue("fenceSync: flags must be 0");
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return nullptr;
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}
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MakeContextCurrent();
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RefPtr<WebGLSync> globj = new WebGLSync(this, condition, flags);
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return globj.forget();
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}
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bool
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WebGL2Context::IsSync(const WebGLSync* sync)
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{
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if (!ValidateIsObject("isSync", sync))
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return false;
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return true;
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}
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void
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WebGL2Context::DeleteSync(WebGLSync* sync)
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{
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if (!ValidateDeleteObject("deleteSync", sync))
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return;
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sync->RequestDelete();
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}
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GLenum
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WebGL2Context::ClientWaitSync(const WebGLSync& sync, GLbitfield flags, GLuint64 timeout)
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{
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const char funcName[] = "clientWaitSync";
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if (IsContextLost())
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return LOCAL_GL_WAIT_FAILED;
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if (!ValidateObject(funcName, sync))
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return LOCAL_GL_WAIT_FAILED;
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if (flags != 0 && flags != LOCAL_GL_SYNC_FLUSH_COMMANDS_BIT) {
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ErrorInvalidValue("%s: `flags` must be SYNC_FLUSH_COMMANDS_BIT or 0.", funcName);
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return LOCAL_GL_WAIT_FAILED;
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}
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if (timeout > kMaxClientWaitSyncTimeoutNS) {
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ErrorInvalidOperation("%s: `timeout` must not exceed %s nanoseconds.", funcName,
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"MAX_CLIENT_WAIT_TIMEOUT_WEBGL");
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return LOCAL_GL_WAIT_FAILED;
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}
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MakeContextCurrent();
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return gl->fClientWaitSync(sync.mGLName, flags, timeout);
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}
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void
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WebGL2Context::WaitSync(const WebGLSync& sync, GLbitfield flags, GLint64 timeout)
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{
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const char funcName[] = "waitSync";
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if (IsContextLost())
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return;
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if (!ValidateObject(funcName, sync))
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return;
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if (flags != 0) {
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ErrorInvalidValue("%s: `flags` must be 0.", funcName);
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return;
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}
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if (timeout != -1) {
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ErrorInvalidValue("%s: `timeout` must be TIMEOUT_IGNORED.", funcName);
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return;
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}
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MakeContextCurrent();
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gl->fWaitSync(sync.mGLName, flags, LOCAL_GL_TIMEOUT_IGNORED);
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}
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void
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WebGL2Context::GetSyncParameter(JSContext*, const WebGLSync& sync, GLenum pname,
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JS::MutableHandleValue retval)
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{
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const char funcName[] = "getSyncParameter";
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retval.setNull();
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if (IsContextLost())
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return;
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if (!ValidateObject(funcName, sync))
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return;
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////
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gl->MakeCurrent();
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GLint result = 0;
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switch (pname) {
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case LOCAL_GL_OBJECT_TYPE:
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case LOCAL_GL_SYNC_STATUS:
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case LOCAL_GL_SYNC_CONDITION:
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case LOCAL_GL_SYNC_FLAGS:
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gl->fGetSynciv(sync.mGLName, pname, 1, nullptr, &result);
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retval.set(JS::Int32Value(result));
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return;
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default:
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ErrorInvalidEnum("%s: Invalid pname 0x%04x", funcName, pname);
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return;
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}
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}
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} // namespace mozilla
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