cc: Async readback.

cc/output/gl_renderer_pixeltest.cc

 // 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/output/gl_renderer.h"
 
 #include "cc/layers/append_quads_data.h"
 #include "cc/quads/draw_quad.h"
 #include "cc/test/pixel_test.h"
 #include "third_party/skia/include/core/SkImageFilter.h"
@@ skipping 74 matching lines @@
       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.push_back(color_quad.PassAs<DrawQuad>());
 
   RenderPassList pass_list;
   pass_list.push_back(pass.Pass());
 
-  renderer_->DrawFrame(&pass_list);
-
-  EXPECT_TRUE(PixelsMatchReference(
+  EXPECT_TRUE(RunPixelTest(
+      &pass_list,
       base::FilePath(FILE_PATH_LITERAL("green.png")),
       ExactPixelComparator(true)));
 }
 
-TEST_F(GLRendererPixelTest, fastPassColorFilterAlpha) {
+TEST_F(GLRendererPixelTest, FastPassColorFilterAlpha) {
   gfx::Rect viewport_rect(device_viewport_size_);
 
   RenderPass::Id root_pass_id(1, 1);
   scoped_ptr<RenderPass> root_pass =
       CreateTestRootRenderPass(root_pass_id, viewport_rect);
 
   RenderPass::Id child_pass_id(2, 2);
   gfx::Rect pass_rect(device_viewport_size_);
   gfx::Transform transform_to_root;
   scoped_ptr<RenderPass> child_pass =
@@ skipping 48 matching lines @@
   matrix[11] = 0.715f - 0.715f * amount;
   matrix[12] = 1.f - (matrix[10] + matrix[11]);
   matrix[13] = matrix[14] = 0;
   matrix[15] = matrix[16] = matrix[17] = matrix[19] = 0;
   matrix[18] = 1;
   skia::RefPtr<SkColorFilter> colorFilter(skia::AdoptRef(
       new SkColorMatrixFilter(matrix)));
   skia::RefPtr<SkImageFilter> filter =
       skia::AdoptRef(SkColorFilterImageFilter::Create(colorFilter.get(), NULL));
 
-  scoped_ptr<RenderPassDrawQuad> render_pass_quad = RenderPassDrawQuad::Create();
+  scoped_ptr<RenderPassDrawQuad> render_pass_quad =
+      RenderPassDrawQuad::Create();
   render_pass_quad->SetNew(pass_shared_state.get(),
                            pass_rect,
                            child_pass_id,
                            false,
                            0,
                            pass_rect,
                            gfx::RectF(),
                            WebKit::WebFilterOperations(),
                            filter,
                            WebKit::WebFilterOperations());
 
   root_pass->quad_list.push_back(render_pass_quad.PassAs<DrawQuad>());
 
   RenderPassList pass_list;
   pass_list.push_back(child_pass.Pass());
   pass_list.push_back(root_pass.Pass());
 
-  renderer_->SetEnlargePassTextureAmountForTesting(gfx::Vector2d(50, 75));
-  renderer_->DecideRenderPassAllocationsForFrame(pass_list);
-  renderer_->DrawFrame(&pass_list);
-
-  EXPECT_TRUE(PixelsMatchReference(
+  EXPECT_TRUE(RunPixelTest(
+      &pass_list,
       base::FilePath(FILE_PATH_LITERAL("blue_yellow_alpha.png")),
       ExactPixelComparator(false)));
 }
 
-TEST_F(GLRendererPixelTest, fastPassColorFilterAlphaTranslation) {
+TEST_F(GLRendererPixelTest, FastPassColorFilterAlphaTranslation) {
   gfx::Rect viewport_rect(device_viewport_size_);
 
   RenderPass::Id root_pass_id(1, 1);
   scoped_ptr<RenderPass> root_pass =
       CreateTestRootRenderPass(root_pass_id, viewport_rect);
 
   RenderPass::Id child_pass_id(2, 2);
   gfx::Rect pass_rect(device_viewport_size_);
   gfx::Transform transform_to_root;
   scoped_ptr<RenderPass> child_pass =
@@ skipping 70 matching lines @@
                            WebKit::WebFilterOperations(),
                            filter,
                            WebKit::WebFilterOperations());
 
   root_pass->quad_list.push_back(render_pass_quad.PassAs<DrawQuad>());
   RenderPassList pass_list;
 
   pass_list.push_back(child_pass.Pass());
   pass_list.push_back(root_pass.Pass());
 
-  renderer_->SetEnlargePassTextureAmountForTesting(gfx::Vector2d(50, 75));
-  renderer_->DecideRenderPassAllocationsForFrame(pass_list);
-  renderer_->DrawFrame(&pass_list);
-
-  EXPECT_TRUE(PixelsMatchReference(
+  EXPECT_TRUE(RunPixelTest(
+      &pass_list,
       base::FilePath(FILE_PATH_LITERAL("blue_yellow_alpha_translate.png")),
       ExactPixelComparator(false)));
 }
 
 TEST_F(GLRendererPixelTest, RenderPassChangesSize) {
   gfx::Rect viewport_rect(device_viewport_size_);
 
   RenderPass::Id root_pass_id(1, 1);
   scoped_ptr<RenderPass> root_pass =
       CreateTestRootRenderPass(root_pass_id, viewport_rect);
@@ skipping 31 matching lines @@
   root_pass->quad_list.push_back(
       CreateTestRenderPassDrawQuad(pass_shared_state.get(),
                                    pass_rect,
                                    child_pass_id));
 
   RenderPassList pass_list;
   pass_list.push_back(child_pass.Pass());
   pass_list.push_back(root_pass.Pass());
 
   renderer_->SetEnlargePassTextureAmountForTesting(gfx::Vector2d(50, 75));
-  renderer_->DecideRenderPassAllocationsForFrame(pass_list);
-  renderer_->DrawFrame(&pass_list);
 
-  EXPECT_TRUE(PixelsMatchReference(
+  EXPECT_TRUE(RunPixelTest(
+      &pass_list,
       base::FilePath(FILE_PATH_LITERAL("blue_yellow.png")),
       ExactPixelComparator(true)));
 }
 
 class GLRendererPixelTestWithBackgroundFilter : public GLRendererPixelTest {
  protected:
-  void DrawFrame() {
+  void SetUpRenderPassList() {
     gfx::Rect device_viewport_rect(device_viewport_size_);
 
     RenderPass::Id root_id(1, 1);
     scoped_ptr<RenderPass> root_pass =
         CreateTestRootRenderPass(root_id, device_viewport_rect);
     root_pass->has_transparent_background = false;
 
     gfx::Transform identity_content_to_target_transform;
 
     RenderPass::Id filter_pass_id(2, 1);
@@ skipping 79 matching lines @@
         CreateTestSharedQuadState(identity_content_to_target_transform,
                                   device_viewport_rect);
     scoped_ptr<SolidColorDrawQuad> background_quad =
         SolidColorDrawQuad::Create();
     background_quad->SetNew(shared_state.get(),
                             device_viewport_rect,
                             SK_ColorWHITE);
     root_pass->quad_list.push_back(background_quad.PassAs<DrawQuad>());
     root_pass->shared_quad_state_list.push_back(shared_state.Pass());
 
-    RenderPassList pass_list;
-    pass_list.push_back(filter_pass.Pass());
-    pass_list.push_back(root_pass.Pass());
-
-    renderer_->DecideRenderPassAllocationsForFrame(pass_list);
-    renderer_->DrawFrame(&pass_list);
+    pass_list_.push_back(filter_pass.Pass());
+    pass_list_.push_back(root_pass.Pass());
   }
 
+  RenderPassList pass_list_;
   WebKit::WebFilterOperations background_filters_;
   gfx::Transform filter_pass_to_target_transform_;
   gfx::Rect filter_pass_content_rect_;
 };
 
 TEST_F(GLRendererPixelTestWithBackgroundFilter, InvertFilter) {
   background_filters_.append(
       WebKit::WebFilterOperation::createInvertFilter(1.f));
 
   filter_pass_content_rect_ = gfx::Rect(device_viewport_size_);
   filter_pass_content_rect_.Inset(12, 14, 16, 18);
 
-  DrawFrame();
-  EXPECT_TRUE(PixelsMatchReference(
+  SetUpRenderPassList();
+  EXPECT_TRUE(RunPixelTest(
+      &pass_list_,
       base::FilePath(FILE_PATH_LITERAL("background_filter.png")),
       ExactPixelComparator(true)));
 }
 
 TEST_F(GLRendererPixelTest, AntiAliasing) {
   gfx::Rect rect(0, 0, 200, 200);
 
   RenderPass::Id id(1, 1);
-  gfx::Transform transform_to_root;
-  scoped_ptr<RenderPass> pass =
-      CreateTestRenderPass(id, rect, transform_to_root);
+  scoped_ptr<RenderPass> pass = CreateTestRootRenderPass(id, rect);
 
   gfx::Transform red_content_to_target_transform;
   red_content_to_target_transform.Rotate(10);
   scoped_ptr<SharedQuadState> red_shared_state =
       CreateTestSharedQuadState(red_content_to_target_transform, rect);
 
   scoped_ptr<SolidColorDrawQuad> red = SolidColorDrawQuad::Create();
   red->SetNew(red_shared_state.get(), rect, SK_ColorRED);
 
   pass->quad_list.push_back(red.PassAs<DrawQuad>());
@@ skipping 13 matching lines @@
       CreateTestSharedQuadState(blue_content_to_target_transform, rect);
 
   scoped_ptr<SolidColorDrawQuad> blue = SolidColorDrawQuad::Create();
   blue->SetNew(blue_shared_state.get(), rect, SK_ColorBLUE);
 
   pass->quad_list.push_back(blue.PassAs<DrawQuad>());
 
   RenderPassList pass_list;
   pass_list.push_back(pass.Pass());
 
-  renderer_->DrawFrame(&pass_list);
-
-  EXPECT_TRUE(PixelsMatchReference(
+  EXPECT_TRUE(RunPixelTest(
+      &pass_list,
       base::FilePath(FILE_PATH_LITERAL("anti_aliasing.png")),
       ExactPixelComparator(true)));
 }
 
 TEST_F(GLRendererPixelTest, AxisAligned) {
   gfx::Rect rect(0, 0, 200, 200);
 
   RenderPass::Id id(1, 1);
   gfx::Transform transform_to_root;
   scoped_ptr<RenderPass> pass =
@@ skipping 28 matching lines @@
       CreateTestSharedQuadState(blue_content_to_target_transform, rect);
 
   scoped_ptr<SolidColorDrawQuad> blue = SolidColorDrawQuad::Create();
   blue->SetNew(blue_shared_state.get(), rect, SK_ColorBLUE);
 
   pass->quad_list.push_back(blue.PassAs<DrawQuad>());
 
   RenderPassList pass_list;
   pass_list.push_back(pass.Pass());
 
-  renderer_->DrawFrame(&pass_list);
-
-  EXPECT_TRUE(PixelsMatchReference(
+  EXPECT_TRUE(RunPixelTest(
+      &pass_list,
       base::FilePath(FILE_PATH_LITERAL("axis_aligned.png")),
       ExactPixelComparator(true)));
 }
 
 #endif
 
 }  // namespace
 }  // namespace cc