| Index: chrome/renderer/pepper_platform_context_3d_impl.cc
|
| ===================================================================
|
| --- chrome/renderer/pepper_platform_context_3d_impl.cc (revision 78620)
|
| +++ chrome/renderer/pepper_platform_context_3d_impl.cc (working copy)
|
| @@ -1,114 +0,0 @@
|
| -// Copyright (c) 2011 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 "chrome/renderer/pepper_platform_context_3d_impl.h"
|
| -
|
| -#include "chrome/renderer/render_thread.h"
|
| -#include "content/renderer/command_buffer_proxy.h"
|
| -#include "content/renderer/ggl.h"
|
| -#include "content/renderer/gpu_channel_host.h"
|
| -#include "gpu/command_buffer/client/gles2_cmd_helper.h"
|
| -#include "gpu/command_buffer/client/gles2_implementation.h"
|
| -
|
| -#ifdef ENABLE_GPU
|
| -PlatformContext3DImpl::PlatformContext3DImpl(ggl::Context* parent_context)
|
| - : parent_context_(ggl::GetWeakContextReference(parent_context)),
|
| - parent_texture_id_(0),
|
| - command_buffer_(NULL),
|
| - callback_factory_(ALLOW_THIS_IN_INITIALIZER_LIST(this)) {
|
| -}
|
| -
|
| -PlatformContext3DImpl::~PlatformContext3DImpl() {
|
| - if (command_buffer_) {
|
| - DCHECK(channel_.get());
|
| - channel_->DestroyCommandBuffer(command_buffer_);
|
| - command_buffer_ = NULL;
|
| - }
|
| -
|
| - channel_ = NULL;
|
| -
|
| - if (parent_context_.get() && parent_texture_id_ != 0) {
|
| - ggl::GetImplementation(parent_context_)->FreeTextureId(parent_texture_id_);
|
| - }
|
| -
|
| -}
|
| -
|
| -bool PlatformContext3DImpl::Init() {
|
| - // Ignore initializing more than once.
|
| - if (command_buffer_)
|
| - return true;
|
| -
|
| - // Parent may already have been deleted.
|
| - if (!parent_context_.get())
|
| - return false;
|
| -
|
| - RenderThread* render_thread = RenderThread::current();
|
| - if (!render_thread)
|
| - return false;
|
| -
|
| - channel_ = render_thread->GetGpuChannel();
|
| - if (!channel_.get())
|
| - return false;
|
| -
|
| - DCHECK(channel_->state() == GpuChannelHost::kConnected);
|
| -
|
| - // Flush any remaining commands in the parent context to make sure the
|
| - // texture id accounting stays consistent.
|
| - gpu::gles2::GLES2Implementation* parent_gles2 =
|
| - ggl::GetImplementation(parent_context_);
|
| - parent_gles2->helper()->CommandBufferHelper::Finish();
|
| - parent_texture_id_ = parent_gles2->MakeTextureId();
|
| -
|
| - // TODO(apatrick): Let Pepper plugins configure their back buffer surface.
|
| - static const int32 kAttribs[] = {
|
| - ggl::GGL_ALPHA_SIZE, 8,
|
| - ggl::GGL_DEPTH_SIZE, 24,
|
| - ggl::GGL_STENCIL_SIZE, 8,
|
| - ggl::GGL_SAMPLES, 0,
|
| - ggl::GGL_SAMPLE_BUFFERS, 0,
|
| - ggl::GGL_NONE,
|
| - };
|
| - std::vector<int32> attribs(kAttribs, kAttribs + ARRAYSIZE_UNSAFE(kAttribs));
|
| - CommandBufferProxy* parent_command_buffer =
|
| - ggl::GetCommandBufferProxy(parent_context_);
|
| - command_buffer_ = channel_->CreateOffscreenCommandBuffer(
|
| - parent_command_buffer,
|
| - gfx::Size(1, 1),
|
| - "*",
|
| - attribs,
|
| - parent_texture_id_);
|
| - if (!command_buffer_)
|
| - return false;
|
| - command_buffer_->SetChannelErrorCallback(callback_factory_.NewCallback(
|
| - &PlatformContext3DImpl::OnContextLost));
|
| -
|
| - return true;
|
| -}
|
| -
|
| -void PlatformContext3DImpl::SetSwapBuffersCallback(Callback0::Type* callback) {
|
| - DCHECK(command_buffer_);
|
| - command_buffer_->SetSwapBuffersCallback(callback);
|
| -}
|
| -
|
| -unsigned PlatformContext3DImpl::GetBackingTextureId() {
|
| - DCHECK(command_buffer_);
|
| - return parent_texture_id_;
|
| -}
|
| -
|
| -gpu::CommandBuffer* PlatformContext3DImpl::GetCommandBuffer() {
|
| - return command_buffer_;
|
| -}
|
| -
|
| -void PlatformContext3DImpl::SetContextLostCallback(Callback0::Type* callback) {
|
| - context_lost_callback_.reset(callback);
|
| -}
|
| -
|
| -void PlatformContext3DImpl::OnContextLost() {
|
| - DCHECK(command_buffer_);
|
| -
|
| - if (context_lost_callback_.get())
|
| - context_lost_callback_->Run();
|
| -}
|
| -
|
| -#endif // ENABLE_GPU
|
|
|