зеркало из https://github.com/mozilla/gecko-dev.git
135 строки
3.3 KiB
C++
135 строки
3.3 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(WebGLSync* sync)
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{
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if (IsContextLost())
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return false;
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return ValidateObjectAllowDeleted("isSync", sync) && !sync->IsDeleted();
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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 (IsContextLost())
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return;
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if (!ValidateObjectAllowDeletedOrNull("deleteSync", sync))
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return;
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if (!sync || sync->IsDeleted())
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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(WebGLSync* sync, GLbitfield flags, GLuint64 timeout)
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{
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if (IsContextLost())
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return LOCAL_GL_WAIT_FAILED;
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if (!sync || sync->IsDeleted()) {
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ErrorInvalidValue("clientWaitSync: sync is not a sync object.");
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return LOCAL_GL_WAIT_FAILED;
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}
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if (flags != 0 && flags != LOCAL_GL_SYNC_FLUSH_COMMANDS_BIT) {
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ErrorInvalidValue("clientWaitSync: flag must be SYNC_FLUSH_COMMANDS_BIT or 0");
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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(WebGLSync* sync, GLbitfield flags, GLuint64 timeout)
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{
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if (IsContextLost())
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return;
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if (!sync || sync->IsDeleted()) {
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ErrorInvalidValue("waitSync: sync is not a sync object.");
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return;
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}
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if (flags != 0) {
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ErrorInvalidValue("waitSync: flags must be 0");
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return;
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}
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if (timeout != LOCAL_GL_TIMEOUT_IGNORED) {
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ErrorInvalidValue("waitSync: timeout must be TIMEOUT_IGNORED");
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return;
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}
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MakeContextCurrent();
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gl->fWaitSync(sync->mGLName, flags, timeout);
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}
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void
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WebGL2Context::GetSyncParameter(JSContext*, WebGLSync* sync, GLenum pname, JS::MutableHandleValue retval)
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{
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if (IsContextLost())
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return;
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if (!sync || sync->IsDeleted()) {
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ErrorInvalidValue("getSyncParameter: sync is not a sync object.");
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return;
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}
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retval.set(JS::NullValue());
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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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MakeContextCurrent();
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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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}
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ErrorInvalidEnum("getSyncParameter: Invalid pname 0x%04x", pname);
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}
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} // namespace mozilla
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