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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 "ui/compositor/test/in_process_context_factory.h"
#include "base/bind.h"
#include "base/command_line.h"
#include "base/threading/thread.h"
#include "cc/output/compositor_frame.h"
#include "cc/output/context_provider.h"
#include "cc/output/output_surface_client.h"
#include "cc/surfaces/onscreen_display_client.h"
#include "cc/surfaces/surface_display_output_surface.h"
#include "cc/surfaces/surface_id_allocator.h"
#include "cc/test/pixel_test_output_surface.h"
#include "cc/test/test_shared_bitmap_manager.h"
#include "gpu/command_buffer/client/context_support.h"
#include "gpu/command_buffer/client/gles2_interface.h"
#include "gpu/command_buffer/common/gles2_cmd_utils.h"
#include "ui/compositor/compositor_switches.h"
#include "ui/compositor/reflector.h"
#include "ui/compositor/test/in_process_context_provider.h"
#include "ui/gl/gl_implementation.h"
#include "ui/gl/gl_surface.h"
namespace ui {
namespace {
class FakeReflector : public Reflector {
public:
FakeReflector() {}
~FakeReflector() override {}
void OnMirroringCompositorResized() override {}
};
// An OutputSurface implementation that directly draws and swaps to an actual
// GL surface.
class DirectOutputSurface : public cc::OutputSurface {
public:
explicit DirectOutputSurface(
const scoped_refptr<cc::ContextProvider>& context_provider)
: cc::OutputSurface(context_provider), weak_ptr_factory_(this) {}
~DirectOutputSurface() override {}
// cc::OutputSurface implementation
void SwapBuffers(cc::CompositorFrame* frame) override {
DCHECK(context_provider_.get());
DCHECK(frame->gl_frame_data);
if (frame->gl_frame_data->sub_buffer_rect ==
gfx::Rect(frame->gl_frame_data->size)) {
context_provider_->ContextSupport()->Swap();
} else {
context_provider_->ContextSupport()->PartialSwapBuffers(
frame->gl_frame_data->sub_buffer_rect);
}
uint32_t sync_point =
context_provider_->ContextGL()->InsertSyncPointCHROMIUM();
context_provider_->ContextSupport()->SignalSyncPoint(
sync_point, base::Bind(&OutputSurface::OnSwapBuffersComplete,
weak_ptr_factory_.GetWeakPtr()));
client_->DidSwapBuffers();
}
private:
base::WeakPtrFactory<DirectOutputSurface> weak_ptr_factory_;
DISALLOW_COPY_AND_ASSIGN(DirectOutputSurface);
};
} // namespace
InProcessContextFactory::InProcessContextFactory(
bool context_factory_for_test,
cc::SurfaceManager* surface_manager)
: next_surface_id_namespace_(1u),
use_test_surface_(true),
context_factory_for_test_(context_factory_for_test),
surface_manager_(surface_manager) {
DCHECK_NE(gfx::GetGLImplementation(), gfx::kGLImplementationNone)
<< "If running tests, ensure that main() is calling "
<< "gfx::GLSurface::InitializeOneOffForTests()";
}
InProcessContextFactory::~InProcessContextFactory() {
DCHECK(per_compositor_data_.empty());
}
void InProcessContextFactory::CreateOutputSurface(
base::WeakPtr<Compositor> compositor) {
gpu::gles2::ContextCreationAttribHelper attribs;
attribs.alpha_size = 8;
attribs.blue_size = 8;
attribs.green_size = 8;
attribs.red_size = 8;
attribs.depth_size = 0;
attribs.stencil_size = 0;
attribs.samples = 0;
attribs.sample_buffers = 0;
attribs.fail_if_major_perf_caveat = false;
attribs.bind_generates_resource = false;
bool lose_context_when_out_of_memory = true;
scoped_refptr<InProcessContextProvider> context_provider =
InProcessContextProvider::Create(attribs, lose_context_when_out_of_memory,
compositor->widget(), "UICompositor");
scoped_ptr<cc::OutputSurface> real_output_surface;
if (use_test_surface_) {
bool flipped_output_surface = false;
real_output_surface = make_scoped_ptr(new cc::PixelTestOutputSurface(
context_provider, flipped_output_surface));
} else {
real_output_surface =
make_scoped_ptr(new DirectOutputSurface(context_provider));
}
if (surface_manager_) {
scoped_ptr<cc::OnscreenDisplayClient> display_client(
new cc::OnscreenDisplayClient(
real_output_surface.Pass(), surface_manager_,
GetSharedBitmapManager(), GetGpuMemoryBufferManager(),
compositor->GetRendererSettings(), compositor->task_runner()));
scoped_ptr<cc::SurfaceDisplayOutputSurface> surface_output_surface(
new cc::SurfaceDisplayOutputSurface(surface_manager_,
compositor->surface_id_allocator(),
context_provider));
display_client->set_surface_output_surface(surface_output_surface.get());
surface_output_surface->set_display_client(display_client.get());
compositor->SetOutputSurface(surface_output_surface.Pass());
delete per_compositor_data_[compositor.get()];
per_compositor_data_[compositor.get()] = display_client.release();
} else {
compositor->SetOutputSurface(real_output_surface.Pass());
}
}
scoped_ptr<Reflector> InProcessContextFactory::CreateReflector(
Compositor* mirrored_compositor,
Layer* mirroring_layer) {
return make_scoped_ptr(new FakeReflector);
}
void InProcessContextFactory::RemoveReflector(Reflector* reflector) {
}
scoped_refptr<cc::ContextProvider>
InProcessContextFactory::SharedMainThreadContextProvider() {
if (shared_main_thread_contexts_.get() &&
!shared_main_thread_contexts_->DestroyedOnMainThread())
return shared_main_thread_contexts_;
bool lose_context_when_out_of_memory = false;
shared_main_thread_contexts_ = InProcessContextProvider::CreateOffscreen(
lose_context_when_out_of_memory);
if (shared_main_thread_contexts_.get() &&
!shared_main_thread_contexts_->BindToCurrentThread())
shared_main_thread_contexts_ = NULL;
return shared_main_thread_contexts_;
}
void InProcessContextFactory::RemoveCompositor(Compositor* compositor) {
if (!per_compositor_data_.count(compositor))
return;
delete per_compositor_data_[compositor];
per_compositor_data_.erase(compositor);
}
bool InProcessContextFactory::DoesCreateTestContexts() {
return context_factory_for_test_;
}
uint32 InProcessContextFactory::GetImageTextureTarget() {
return GL_TEXTURE_2D;
}
cc::SharedBitmapManager* InProcessContextFactory::GetSharedBitmapManager() {
return &shared_bitmap_manager_;
}
gpu::GpuMemoryBufferManager*
InProcessContextFactory::GetGpuMemoryBufferManager() {
return &gpu_memory_buffer_manager_;
}
scoped_ptr<cc::SurfaceIdAllocator>
InProcessContextFactory::CreateSurfaceIdAllocator() {
return make_scoped_ptr(
new cc::SurfaceIdAllocator(next_surface_id_namespace_++));
}
void InProcessContextFactory::ResizeDisplay(ui::Compositor* compositor,
const gfx::Size& size) {
if (!per_compositor_data_.count(compositor))
return;
per_compositor_data_[compositor]->display()->Resize(size);
}
} // namespace ui
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