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// Copyright 2013 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 "cc/test/pixel_test.h"
#include "base/command_line.h"
#include "base/path_service.h"
#include "base/run_loop.h"
#include "base/thread_task_runner_handle.h"
#include "cc/base/switches.h"
#include "cc/output/compositor_frame_metadata.h"
#include "cc/output/copy_output_request.h"
#include "cc/output/copy_output_result.h"
#include "cc/output/gl_renderer.h"
#include "cc/output/output_surface_client.h"
#include "cc/output/software_renderer.h"
#include "cc/output/texture_mailbox_deleter.h"
#include "cc/raster/tile_task_worker_pool.h"
#include "cc/resources/resource_provider.h"
#include "cc/test/fake_output_surface_client.h"
#include "cc/test/paths.h"
#include "cc/test/pixel_test_output_surface.h"
#include "cc/test/pixel_test_software_output_device.h"
#include "cc/test/pixel_test_utils.h"
#include "cc/test/test_gpu_memory_buffer_manager.h"
#include "cc/test/test_in_process_context_provider.h"
#include "cc/test/test_shared_bitmap_manager.h"
#include "cc/trees/blocking_task_runner.h"
#include "gpu/command_buffer/client/gles2_interface.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace cc {
PixelTest::PixelTest()
: device_viewport_size_(gfx::Size(200, 200)),
disable_picture_quad_image_filtering_(false),
output_surface_client_(new FakeOutputSurfaceClient),
main_thread_task_runner_(
BlockingTaskRunner::Create(base::ThreadTaskRunnerHandle::Get())) {
}
PixelTest::~PixelTest() {}
bool PixelTest::RunPixelTest(RenderPassList* pass_list,
const base::FilePath& ref_file,
const PixelComparator& comparator) {
return RunPixelTestWithReadbackTarget(pass_list,
pass_list->back(),
ref_file,
comparator);
}
bool PixelTest::RunPixelTestWithReadbackTarget(
RenderPassList* pass_list,
RenderPass* target,
const base::FilePath& ref_file,
const PixelComparator& comparator) {
return RunPixelTestWithReadbackTargetAndArea(
pass_list, target, ref_file, comparator, nullptr);
}
bool PixelTest::RunPixelTestWithReadbackTargetAndArea(
RenderPassList* pass_list,
RenderPass* target,
const base::FilePath& ref_file,
const PixelComparator& comparator,
const gfx::Rect* copy_rect) {
base::RunLoop run_loop;
scoped_ptr<CopyOutputRequest> request =
CopyOutputRequest::CreateBitmapRequest(
base::Bind(&PixelTest::ReadbackResult,
base::Unretained(this),
run_loop.QuitClosure()));
if (copy_rect)
request->set_area(*copy_rect);
target->copy_requests.push_back(request.Pass());
float device_scale_factor = 1.f;
gfx::Rect device_viewport_rect =
gfx::Rect(device_viewport_size_) + external_device_viewport_offset_;
gfx::Rect device_clip_rect = external_device_clip_rect_.IsEmpty()
? device_viewport_rect
: external_device_clip_rect_;
renderer_->DecideRenderPassAllocationsForFrame(*pass_list);
renderer_->DrawFrame(pass_list,
device_scale_factor,
device_viewport_rect,
device_clip_rect,
disable_picture_quad_image_filtering_);
// Wait for the readback to complete.
if (output_surface_->context_provider())
output_surface_->context_provider()->ContextGL()->Finish();
run_loop.Run();
return PixelsMatchReference(ref_file, comparator);
}
void PixelTest::ReadbackResult(base::Closure quit_run_loop,
scoped_ptr<CopyOutputResult> result) {
ASSERT_TRUE(result->HasBitmap());
result_bitmap_ = result->TakeBitmap().Pass();
quit_run_loop.Run();
}
bool PixelTest::PixelsMatchReference(const base::FilePath& ref_file,
const PixelComparator& comparator) {
base::FilePath test_data_dir;
if (!PathService::Get(CCPaths::DIR_TEST_DATA, &test_data_dir))
return false;
// If this is false, we didn't set up a readback on a render pass.
if (!result_bitmap_)
return false;
base::CommandLine* cmd = base::CommandLine::ForCurrentProcess();
if (cmd->HasSwitch(switches::kCCRebaselinePixeltests))
return WritePNGFile(*result_bitmap_, test_data_dir.Append(ref_file), true);
return MatchesPNGFile(
*result_bitmap_, test_data_dir.Append(ref_file), comparator);
}
void PixelTest::SetUpGLRenderer(bool use_skia_gpu_backend,
bool flipped_output_surface) {
enable_pixel_output_.reset(new gfx::DisableNullDrawGLBindings);
output_surface_.reset(new PixelTestOutputSurface(
new TestInProcessContextProvider, new TestInProcessContextProvider,
flipped_output_surface));
output_surface_->BindToClient(output_surface_client_.get());
shared_bitmap_manager_.reset(new TestSharedBitmapManager);
gpu_memory_buffer_manager_.reset(new TestGpuMemoryBufferManager);
resource_provider_ = ResourceProvider::Create(
output_surface_.get(), shared_bitmap_manager_.get(),
gpu_memory_buffer_manager_.get(), main_thread_task_runner_.get(), 0,
false, 1, settings_.use_image_texture_targets);
texture_mailbox_deleter_ = make_scoped_ptr(
new TextureMailboxDeleter(base::ThreadTaskRunnerHandle::Get()));
renderer_ = GLRenderer::Create(
this, &settings_.renderer_settings, output_surface_.get(),
resource_provider_.get(), texture_mailbox_deleter_.get(), 0);
}
void PixelTest::ForceExpandedViewport(const gfx::Size& surface_expansion) {
static_cast<PixelTestOutputSurface*>(output_surface_.get())
->set_surface_expansion_size(surface_expansion);
SoftwareOutputDevice* device = output_surface_->software_device();
if (device) {
static_cast<PixelTestSoftwareOutputDevice*>(device)
->set_surface_expansion_size(surface_expansion);
}
}
void PixelTest::ForceViewportOffset(const gfx::Vector2d& viewport_offset) {
external_device_viewport_offset_ = viewport_offset;
}
void PixelTest::ForceDeviceClip(const gfx::Rect& clip) {
external_device_clip_rect_ = clip;
}
void PixelTest::EnableExternalStencilTest() {
static_cast<PixelTestOutputSurface*>(output_surface_.get())
->set_has_external_stencil_test(true);
}
void PixelTest::SetUpSoftwareRenderer() {
scoped_ptr<SoftwareOutputDevice> device(new PixelTestSoftwareOutputDevice());
output_surface_.reset(new PixelTestOutputSurface(device.Pass()));
output_surface_->BindToClient(output_surface_client_.get());
shared_bitmap_manager_.reset(new TestSharedBitmapManager());
resource_provider_ = ResourceProvider::Create(
output_surface_.get(), shared_bitmap_manager_.get(),
gpu_memory_buffer_manager_.get(), main_thread_task_runner_.get(), 0,
false, 1, settings_.use_image_texture_targets);
renderer_ =
SoftwareRenderer::Create(this, &settings_.renderer_settings,
output_surface_.get(), resource_provider_.get());
}
} // namespace cc
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