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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/path_service.h"
#include "cc/output/compositor_frame_metadata.h"
#include "cc/output/gl_renderer.h"
#include "cc/output/output_surface.h"
#include "cc/resources/resource_provider.h"
#include "cc/test/paths.h"
#include "cc/test/pixel_test_utils.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "ui/gl/gl_implementation.h"
#include "webkit/gpu/context_provider_in_process.h"
#include "webkit/gpu/webgraphicscontext3d_in_process_command_buffer_impl.h"
namespace cc {
class PixelTest::PixelTestRendererClient : public RendererClient {
public:
explicit PixelTestRendererClient(gfx::Size device_viewport_size)
: device_viewport_size_(device_viewport_size) {}
// RendererClient implementation.
virtual gfx::Size DeviceViewportSize() const OVERRIDE {
return device_viewport_size_;
}
virtual const LayerTreeSettings& Settings() const OVERRIDE {
return settings_;
}
virtual void DidLoseOutputSurface() OVERRIDE {}
virtual void OnSwapBuffersComplete() OVERRIDE {}
virtual void SetFullRootLayerDamage() OVERRIDE {}
virtual void SetManagedMemoryPolicy(
const ManagedMemoryPolicy& policy) OVERRIDE {}
virtual void EnforceManagedMemoryPolicy(
const ManagedMemoryPolicy& policy) OVERRIDE {}
virtual bool HasImplThread() const OVERRIDE { return false; }
virtual bool ShouldClearRootRenderPass() const OVERRIDE { return true; }
virtual CompositorFrameMetadata MakeCompositorFrameMetadata() const
OVERRIDE {
return CompositorFrameMetadata();
}
virtual bool AllowPartialSwap() const OVERRIDE {
return true;
}
private:
gfx::Size device_viewport_size_;
LayerTreeSettings settings_;
};
PixelTest::PixelTest() : device_viewport_size_(gfx::Size(200, 200)) {}
PixelTest::~PixelTest() {}
void PixelTest::SetUp() {
CHECK(gfx::InitializeGLBindings(gfx::kGLImplementationOSMesaGL));
scoped_ptr<webkit::gpu::WebGraphicsContext3DInProcessCommandBufferImpl>
context3d(
new webkit::gpu::WebGraphicsContext3DInProcessCommandBufferImpl(
WebKit::WebGraphicsContext3D::Attributes()));
output_surface_.reset(new OutputSurface(
context3d.PassAs<WebKit::WebGraphicsContext3D>()));
resource_provider_ = ResourceProvider::Create(output_surface_.get(), 0);
fake_client_ =
make_scoped_ptr(new PixelTestRendererClient(device_viewport_size_));
renderer_ = GLRenderer::Create(fake_client_.get(),
output_surface_.get(),
resource_provider_.get(),
0);
scoped_refptr<webkit::gpu::ContextProviderInProcess> offscreen_contexts =
webkit::gpu::ContextProviderInProcess::Create();
ASSERT_TRUE(offscreen_contexts->BindToCurrentThread());
resource_provider_->set_offscreen_context_provider(offscreen_contexts);
}
bool PixelTest::PixelsMatchReference(const base::FilePath& ref_file,
const PixelComparator& comparator) {
gfx::Rect device_viewport_rect(device_viewport_size_);
SkBitmap bitmap;
bitmap.setConfig(SkBitmap::kARGB_8888_Config,
device_viewport_rect.width(),
device_viewport_rect.height());
bitmap.allocPixels();
unsigned char* pixels = static_cast<unsigned char*>(bitmap.getPixels());
renderer_->GetFramebufferPixels(pixels, device_viewport_rect);
base::FilePath test_data_dir;
if (!PathService::Get(cc::DIR_TEST_DATA, &test_data_dir))
return false;
// To rebaseline:
// return WritePNGFile(bitmap, test_data_dir.Append(ref_file));
return MatchesPNGFile(bitmap, test_data_dir.Append(ref_file), comparator);
}
} // namespace cc
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