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// Copyright 2014 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "mojo/cc/context_provider_mojo.h"
#include "base/logging.h"
#include "mojo/gles2/gles2_context.h"
#include "mojo/gpu/mojo_gles2_impl_autogen.h"
#include "third_party/mojo/src/mojo/public/cpp/environment/environment.h"
namespace mojo {
ContextProviderMojo::ContextProviderMojo(
ScopedMessagePipeHandle command_buffer_handle)
: command_buffer_handle_(command_buffer_handle.Pass()),
context_(nullptr) {
// Enabled the CHROMIUM_image extension to use GpuMemoryBuffers. The
// implementation of which is used in CommandBufferDriver.
capabilities_.gpu.image = true;
}
bool ContextProviderMojo::BindToCurrentThread() {
DCHECK(command_buffer_handle_.is_valid());
context_ = MojoGLES2CreateContext(command_buffer_handle_.release().value(),
nullptr,
&ContextLostThunk,
this,
Environment::GetDefaultAsyncWaiter());
context_gl_.reset(new MojoGLES2Impl(context_));
return !!context_;
}
gpu::gles2::GLES2Interface* ContextProviderMojo::ContextGL() {
return context_gl_.get();
}
gpu::ContextSupport* ContextProviderMojo::ContextSupport() {
if (!context_)
return NULL;
// TODO(rjkroege): Ensure that UIP does not take this code path.
return static_cast<gles2::GLES2Context*>(context_)->context_support();
}
class GrContext* ContextProviderMojo::GrContext() { return NULL; }
void ContextProviderMojo::InvalidateGrContext(uint32_t state) {
}
cc::ContextProvider::Capabilities ContextProviderMojo::ContextCapabilities() {
return capabilities_;
}
void ContextProviderMojo::SetupLock() {
}
base::Lock* ContextProviderMojo::GetLock() {
return &context_lock_;
}
bool ContextProviderMojo::DestroyedOnMainThread() { return !context_; }
ContextProviderMojo::~ContextProviderMojo() {
context_gl_.reset();
if (context_)
MojoGLES2DestroyContext(context_);
}
void ContextProviderMojo::ContextLost() {
}
} // namespace mojo
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