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// Copyright 2012 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/gl_renderer.h"
#include "base/file_util.h"
#include "base/path_service.h"
#include "cc/compositor_frame_metadata.h"
#include "cc/draw_quad.h"
#include "cc/prioritized_resource_manager.h"
#include "cc/resource_provider.h"
#include "cc/test/paths.h"
#include "cc/test/pixel_test_output_surface.h"
#include "cc/test/pixel_test_utils.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "ui/gfx/codec/png_codec.h"
#include "ui/gl/gl_implementation.h"
namespace cc {
namespace {
class FakeRendererClient : public RendererClient {
public:
FakeRendererClient()
{
}
// RendererClient methods.
virtual const gfx::Size& deviceViewportSize() const OVERRIDE {
static gfx::Size fake_size(200, 200);
return fake_size;
}
virtual const LayerTreeSettings& settings() const OVERRIDE {
static LayerTreeSettings fake_settings;
return fake_settings;
}
virtual void didLoseOutputSurface() OVERRIDE { }
virtual void onSwapBuffersComplete() OVERRIDE { }
virtual void setFullRootLayerDamage() OVERRIDE { }
virtual void setManagedMemoryPolicy(const ManagedMemoryPolicy&) OVERRIDE {}
virtual void enforceManagedMemoryPolicy(
const ManagedMemoryPolicy&) OVERRIDE {}
virtual bool hasImplThread() const OVERRIDE { return false; }
virtual bool shouldClearRootRenderPass() const { return true; }
virtual CompositorFrameMetadata makeCompositorFrameMetadata() const
OVERRIDE { return CompositorFrameMetadata(); }
};
class GLRendererPixelTest : public testing::Test {
protected:
GLRendererPixelTest() {}
virtual void SetUp() {
gfx::InitializeGLBindings(gfx::kGLImplementationOSMesaGL);
output_surface_ = PixelTestOutputSurface::create();
resource_provider_ = ResourceProvider::create(output_surface_.get());
renderer_ = GLRenderer::create(&fake_client_,
output_surface_.get(),
resource_provider_.get());
}
bool PixelsMatchReference(FilePath ref_file, gfx::Rect viewport_rect) {
SkBitmap bitmap;
bitmap.setConfig(SkBitmap::kARGB_8888_Config,
viewport_rect.width(), viewport_rect.height());
bitmap.allocPixels();
unsigned char* pixels = static_cast<unsigned char*>(bitmap.getPixels());
renderer_->getFramebufferPixels(pixels, viewport_rect);
FilePath test_data_dir;
if (!PathService::Get(cc::DIR_TEST_DATA, &test_data_dir))
return false;
return IsSameAsPNGFile(bitmap, test_data_dir.Append(ref_file));
}
scoped_ptr<OutputSurface> output_surface_;
FakeRendererClient fake_client_;
scoped_ptr<ResourceProvider> resource_provider_;
scoped_ptr<GLRenderer> renderer_;
};
scoped_ptr<RenderPass> CreateTestRenderPass(RenderPass::Id id, gfx::Rect rect) {
scoped_ptr<RenderPass> pass = RenderPass::Create();
const gfx::Rect output_rect = rect;
const gfx::RectF damage_rect = rect;
const gfx::Transform transform_to_root_target;
pass->SetNew(id, output_rect, damage_rect, transform_to_root_target);
return pass.Pass();
}
scoped_ptr<SharedQuadState> CreateTestSharedQuadState(
gfx::Transform content_to_target_transform, gfx::Rect rect) {
const gfx::Rect visible_content_rect = rect;
const gfx::Rect clipped_rect_in_target = rect;
const gfx::Rect clip_rect = rect;
const bool is_clipped = false;
const float opacity = 1.0f;
scoped_ptr<SharedQuadState> shared_state = SharedQuadState::Create();
shared_state->SetAll(content_to_target_transform,
visible_content_rect,
clipped_rect_in_target,
clip_rect,
is_clipped,
opacity);
return shared_state.Pass();
}
scoped_ptr<DrawQuad> CreateTestRenderPassDrawQuad(
SharedQuadState* shared_state, gfx::Rect rect, RenderPass::Id pass_id) {
scoped_ptr<RenderPassDrawQuad> quad = RenderPassDrawQuad::Create();
quad->SetNew(shared_state,
rect,
pass_id,
false, // is_replica
0, // mask_resource_id
rect, // contents_changed_since_last_frame
gfx::RectF(), // mask_uv_rect
WebKit::WebFilterOperations(), // foreground filters
skia::RefPtr<SkImageFilter>(), // foreground filter
WebKit::WebFilterOperations()); // background filters
return quad.PassAs<DrawQuad>();
}
#if !defined(OS_ANDROID)
TEST_F(GLRendererPixelTest, simpleGreenRect) {
gfx::Rect rect(0, 0, 200, 200);
RenderPass::Id id(1, 1);
scoped_ptr<RenderPass> pass = CreateTestRenderPass(id, rect);
gfx::Transform content_to_target_transform;
scoped_ptr<SharedQuadState> shared_state =
CreateTestSharedQuadState(content_to_target_transform, rect);
scoped_ptr<SolidColorDrawQuad> color_quad = SolidColorDrawQuad::Create();
color_quad->SetNew(shared_state.get(), rect, SK_ColorGREEN);
pass->quad_list.append(color_quad.PassAs<DrawQuad>());
RenderPassList pass_list;
pass_list.append(pass.Pass());
renderer_->drawFrame(pass_list);
EXPECT_TRUE(PixelsMatchReference(FilePath(FILE_PATH_LITERAL("green.png")),
rect));
}
TEST_F(GLRendererPixelTest, RenderPassChangesSize) {
gfx::Rect viewport_rect(200, 200);
RenderPass::Id root_pass_id(1, 1);
scoped_ptr<RenderPass> root_pass =
CreateTestRenderPass(root_pass_id, viewport_rect);
RenderPass::Id child_pass_id(2, 2);
gfx::Rect pass_rect(200, 200);
scoped_ptr<RenderPass> child_pass =
CreateTestRenderPass(child_pass_id, pass_rect);
gfx::Transform content_to_target_transform;
scoped_ptr<SharedQuadState> shared_state =
CreateTestSharedQuadState(content_to_target_transform, viewport_rect);
scoped_ptr<SolidColorDrawQuad> blue = SolidColorDrawQuad::Create();
blue->SetNew(shared_state.get(), gfx::Rect(0, 0, 100, 200), SK_ColorBLUE);
scoped_ptr<SolidColorDrawQuad> yellow = SolidColorDrawQuad::Create();
yellow->SetNew(shared_state.get(), gfx::Rect(100, 0, 100, 200), SK_ColorYELLOW);
child_pass->quad_list.append(blue.PassAs<DrawQuad>());
child_pass->quad_list.append(yellow.PassAs<DrawQuad>());
scoped_ptr<SharedQuadState> pass_shared_state =
CreateTestSharedQuadState(gfx::Transform(), pass_rect);
root_pass->quad_list.append(
CreateTestRenderPassDrawQuad(pass_shared_state.get(),
pass_rect,
child_pass_id));
RenderPassList pass_list;
pass_list.append(child_pass.Pass());
pass_list.append(root_pass.Pass());
renderer_->setEnlargePassTextureAmountForTesting(gfx::Vector2d(50, 75));
renderer_->decideRenderPassAllocationsForFrame(pass_list);
renderer_->drawFrame(pass_list);
EXPECT_TRUE(PixelsMatchReference(
FilePath(FILE_PATH_LITERAL("blue_yellow.png")), viewport_rect));
}
#endif
} // namespace
} // namespace cc
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