blob: 4449ca19fa4df556499d5dc7f75fd10d6e6b8da0 [file] [log] [blame]
// 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 "content/browser/android/in_process/synchronous_compositor_factory_impl.h"
#include "content/browser/android/in_process/synchronous_compositor_output_surface.h"
#include "content/public/browser/browser_thread.h"
#include "gpu/command_buffer/client/gl_in_process_context.h"
#include "ui/gl/android/surface_texture.h"
#include "ui/gl/gl_surface.h"
#include "ui/gl/gl_surface_stub.h"
#include "webkit/common/gpu/context_provider_in_process.h"
#include "webkit/common/gpu/webgraphicscontext3d_in_process_command_buffer_impl.h"
using webkit::gpu::ContextProviderWebContext;
namespace content {
namespace {
blink::WebGraphicsContext3D::Attributes GetDefaultAttribs() {
blink::WebGraphicsContext3D::Attributes attributes;
attributes.antialias = false;
attributes.depth = false;
attributes.stencil = false;
attributes.shareResources = true;
attributes.noAutomaticFlushes = true;
return attributes;
}
using webkit::gpu::WebGraphicsContext3DInProcessCommandBufferImpl;
scoped_ptr<gpu::GLInProcessContext> CreateOffscreenContext(
const blink::WebGraphicsContext3D::Attributes& attributes) {
const gfx::GpuPreference gpu_preference = gfx::PreferDiscreteGpu;
gpu::GLInProcessContextAttribs in_process_attribs;
WebGraphicsContext3DInProcessCommandBufferImpl::ConvertAttributes(
attributes, &in_process_attribs);
in_process_attribs.lose_context_when_out_of_memory = 1;
scoped_ptr<gpu::GLInProcessContext> context(
gpu::GLInProcessContext::Create(NULL /* service */,
NULL /* surface */,
true /* is_offscreen */,
gfx::kNullAcceleratedWidget,
gfx::Size(1, 1),
NULL /* share_context */,
false /* share_resources */,
in_process_attribs,
gpu_preference));
return context.Pass();
}
scoped_ptr<gpu::GLInProcessContext> CreateContext(
scoped_refptr<gpu::InProcessCommandBuffer::Service> service,
gpu::GLInProcessContext* share_context) {
const gfx::GpuPreference gpu_preference = gfx::PreferDiscreteGpu;
gpu::GLInProcessContextAttribs in_process_attribs;
WebGraphicsContext3DInProcessCommandBufferImpl::ConvertAttributes(
GetDefaultAttribs(), &in_process_attribs);
in_process_attribs.lose_context_when_out_of_memory = 1;
scoped_ptr<gpu::GLInProcessContext> context(
gpu::GLInProcessContext::Create(service,
NULL /* surface */,
false /* is_offscreen */,
gfx::kNullAcceleratedWidget,
gfx::Size(1, 1),
share_context,
false /* share_resources */,
in_process_attribs,
gpu_preference));
return context.Pass();
}
scoped_ptr<WebGraphicsContext3DInProcessCommandBufferImpl> WrapContext(
scoped_ptr<gpu::GLInProcessContext> context) {
if (!context.get())
return scoped_ptr<WebGraphicsContext3DInProcessCommandBufferImpl>();
return scoped_ptr<WebGraphicsContext3DInProcessCommandBufferImpl>(
WebGraphicsContext3DInProcessCommandBufferImpl::WrapContext(
context.Pass(), GetDefaultAttribs()));
}
class VideoContextProvider
: public StreamTextureFactorySynchronousImpl::ContextProvider {
public:
VideoContextProvider(
scoped_ptr<gpu::GLInProcessContext> gl_in_process_context)
: gl_in_process_context_(gl_in_process_context.get()) {
context_provider_ = webkit::gpu::ContextProviderInProcess::Create(
WrapContext(gl_in_process_context.Pass()),
"Video-Offscreen-main-thread");
context_provider_->BindToCurrentThread();
}
virtual scoped_refptr<gfx::SurfaceTexture> GetSurfaceTexture(
uint32 stream_id) OVERRIDE {
return gl_in_process_context_->GetSurfaceTexture(stream_id);
}
virtual gpu::gles2::GLES2Interface* ContextGL() OVERRIDE {
return context_provider_->ContextGL();
}
private:
friend class base::RefCountedThreadSafe<VideoContextProvider>;
virtual ~VideoContextProvider() {}
scoped_refptr<cc::ContextProvider> context_provider_;
gpu::GLInProcessContext* gl_in_process_context_;
DISALLOW_COPY_AND_ASSIGN(VideoContextProvider);
};
} // namespace
using webkit::gpu::WebGraphicsContext3DInProcessCommandBufferImpl;
SynchronousCompositorFactoryImpl::SynchronousCompositorFactoryImpl()
: record_full_layer_(true),
num_hardware_compositors_(0) {
SynchronousCompositorFactory::SetInstance(this);
}
SynchronousCompositorFactoryImpl::~SynchronousCompositorFactoryImpl() {}
scoped_refptr<base::MessageLoopProxy>
SynchronousCompositorFactoryImpl::GetCompositorMessageLoop() {
return BrowserThread::GetMessageLoopProxyForThread(BrowserThread::UI);
}
bool
SynchronousCompositorFactoryImpl::RecordFullLayer() {
return record_full_layer_;
}
scoped_ptr<cc::OutputSurface>
SynchronousCompositorFactoryImpl::CreateOutputSurface(int routing_id) {
scoped_ptr<SynchronousCompositorOutputSurface> output_surface(
new SynchronousCompositorOutputSurface(routing_id));
return output_surface.PassAs<cc::OutputSurface>();
}
InputHandlerManagerClient*
SynchronousCompositorFactoryImpl::GetInputHandlerManagerClient() {
return synchronous_input_event_filter();
}
scoped_refptr<ContextProviderWebContext> SynchronousCompositorFactoryImpl::
GetSharedOffscreenContextProviderForMainThread() {
bool failed = false;
if ((!offscreen_context_for_main_thread_.get() ||
offscreen_context_for_main_thread_->DestroyedOnMainThread())) {
scoped_ptr<gpu::GLInProcessContext> context =
CreateOffscreenContext(GetDefaultAttribs());
offscreen_context_for_main_thread_ =
webkit::gpu::ContextProviderInProcess::Create(
WrapContext(context.Pass()),
"Compositor-Offscreen-main-thread");
failed = !offscreen_context_for_main_thread_.get() ||
!offscreen_context_for_main_thread_->BindToCurrentThread();
}
if (failed) {
offscreen_context_for_main_thread_ = NULL;
}
return offscreen_context_for_main_thread_;
}
scoped_refptr<cc::ContextProvider> SynchronousCompositorFactoryImpl::
CreateOnscreenContextProviderForCompositorThread() {
DCHECK(service_);
if (!share_context_.get())
share_context_ = CreateContext(service_, NULL);
return webkit::gpu::ContextProviderInProcess::Create(
WrapContext(CreateContext(service_, share_context_.get())),
"Child-Compositor");
}
gpu::GLInProcessContext* SynchronousCompositorFactoryImpl::GetShareContext() {
DCHECK(share_context_.get());
return share_context_.get();
}
scoped_refptr<StreamTextureFactory>
SynchronousCompositorFactoryImpl::CreateStreamTextureFactory(int frame_id) {
scoped_refptr<StreamTextureFactorySynchronousImpl> factory(
StreamTextureFactorySynchronousImpl::Create(
base::Bind(
&SynchronousCompositorFactoryImpl::TryCreateStreamTextureFactory,
base::Unretained(this)),
frame_id));
return factory;
}
blink::WebGraphicsContext3D*
SynchronousCompositorFactoryImpl::CreateOffscreenGraphicsContext3D(
const blink::WebGraphicsContext3D::Attributes& attributes) {
return WrapContext(CreateOffscreenContext(attributes)).release();
}
void SynchronousCompositorFactoryImpl::CompositorInitializedHardwareDraw() {
base::AutoLock lock(num_hardware_compositor_lock_);
num_hardware_compositors_++;
}
void SynchronousCompositorFactoryImpl::CompositorReleasedHardwareDraw() {
base::AutoLock lock(num_hardware_compositor_lock_);
DCHECK_GT(num_hardware_compositors_, 0u);
num_hardware_compositors_--;
}
bool SynchronousCompositorFactoryImpl::CanCreateMainThreadContext() {
base::AutoLock lock(num_hardware_compositor_lock_);
return num_hardware_compositors_ > 0;
}
scoped_refptr<StreamTextureFactorySynchronousImpl::ContextProvider>
SynchronousCompositorFactoryImpl::TryCreateStreamTextureFactory() {
scoped_refptr<StreamTextureFactorySynchronousImpl::ContextProvider>
context_provider;
// This check only guarantees the main thread context is created after
// a compositor did successfully initialize hardware draw in the past.
// In particular this does not guarantee that the main thread context
// will fail creation when all compositors release hardware draw.
if (CanCreateMainThreadContext() && !video_context_provider_) {
DCHECK(service_);
DCHECK(share_context_.get());
video_context_provider_ = new VideoContextProvider(
CreateContext(service_, share_context_.get()));
}
return video_context_provider_;
}
void SynchronousCompositorFactoryImpl::SetDeferredGpuService(
scoped_refptr<gpu::InProcessCommandBuffer::Service> service) {
DCHECK(!service_);
service_ = service;
}
void SynchronousCompositorFactoryImpl::DisableRecordFullLayer() {
record_full_layer_ = false;
}
} // namespace content