mix-blend-mode implementation for accelerated layers

cc/output/software_renderer_unittest.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/software_renderer.h"
 
 #include "cc/layers/quad_sink.h"
 #include "cc/output/compositor_frame_metadata.h"
 #include "cc/output/software_output_device.h"
 #include "cc/quads/render_pass.h"
@@ skipping 61 matching lines @@
   gfx::Size outer_size(100, 100);
   gfx::Size inner_size(98, 98);
   gfx::Rect outer_rect(outer_size);
   gfx::Rect inner_rect(gfx::Point(1, 1), inner_size);
   gfx::Rect visible_rect(gfx::Point(1, 2), gfx::Size(98, 97));
   set_viewport(gfx::Rect(outer_size));
 
   InitializeRenderer(make_scoped_ptr(new SoftwareOutputDevice));
 
   scoped_ptr<SharedQuadState> shared_quad_state = SharedQuadState::Create();
-  shared_quad_state->SetAll(
-      gfx::Transform(), outer_size, outer_rect, outer_rect, false, 1.0);
+  shared_quad_state->SetAll(gfx::Transform(),
+                            outer_size,
+                            outer_rect,
+                            outer_rect,
+                            false,
+                            1.0,
+                            SkXfermode::kSrcOver_Mode);
   RenderPass::Id root_render_pass_id = RenderPass::Id(1, 1);
   scoped_ptr<TestRenderPass> root_render_pass = TestRenderPass::Create();
   root_render_pass->SetNew(
       root_render_pass_id, outer_rect, outer_rect, gfx::Transform());
   scoped_ptr<SolidColorDrawQuad> outer_quad = SolidColorDrawQuad::Create();
   outer_quad->SetNew(
       shared_quad_state.get(), outer_rect, SK_ColorYELLOW, false);
   scoped_ptr<SolidColorDrawQuad> inner_quad = SolidColorDrawQuad::Create();
   inner_quad->SetNew(shared_quad_state.get(), inner_rect, SK_ColorCYAN, false);
   inner_quad->visible_rect = visible_rect;
@@ skipping 61 matching lines @@
       gfx::Vector2d());
   resource_provider()->SetPixels(resource_cyan,
                                  static_cast<uint8_t*>(cyan_tile.getPixels()),
                                  gfx::Rect(inner_size),
                                  gfx::Rect(inner_size),
                                  gfx::Vector2d());
 
   gfx::Rect root_rect = DeviceViewport();
 
   scoped_ptr<SharedQuadState> shared_quad_state = SharedQuadState::Create();
-  shared_quad_state->SetAll(
-      gfx::Transform(), outer_size, outer_rect, outer_rect, false, 1.0);
+  shared_quad_state->SetAll(gfx::Transform(),
+                            outer_size,
+                            outer_rect,
+                            outer_rect,
+                            false,
+                            1.0,
+                            SkXfermode::kSrcOver_Mode);
   RenderPass::Id root_render_pass_id = RenderPass::Id(1, 1);
   scoped_ptr<TestRenderPass> root_render_pass = TestRenderPass::Create();
   root_render_pass->SetNew(
       root_render_pass_id, root_rect, root_rect, gfx::Transform());
   scoped_ptr<TileDrawQuad> outer_quad = TileDrawQuad::Create();
   outer_quad->SetNew(shared_quad_state.get(),
                      outer_rect,
                      outer_rect,
                      resource_yellow,
                      gfx::RectF(outer_size),
@@ skipping 57 matching lines @@
 
   resource_provider()->SetPixels(resource_cyan,
                                  static_cast<uint8_t*>(cyan_tile.getPixels()),
                                  gfx::Rect(tile_size),
                                  gfx::Rect(tile_size),
                                  gfx::Vector2d());
 
   gfx::Rect root_rect = DeviceViewport();
 
   scoped_ptr<SharedQuadState> shared_quad_state = SharedQuadState::Create();
-  shared_quad_state->SetAll(
-      gfx::Transform(), tile_size, tile_rect, tile_rect, false, 1.0);
+  shared_quad_state->SetAll(gfx::Transform(),
+                            tile_size,
+                            tile_rect,
+                            tile_rect,
+                            false,
+                            1.0,
+                            SkXfermode::kSrcOver_Mode);
   RenderPass::Id root_render_pass_id = RenderPass::Id(1, 1);
   scoped_ptr<TestRenderPass> root_render_pass = TestRenderPass::Create();
   root_render_pass->SetNew(
       root_render_pass_id, root_rect, root_rect, gfx::Transform());
   scoped_ptr<TileDrawQuad> quad = TileDrawQuad::Create();
   quad->SetNew(shared_quad_state.get(),
                tile_rect,
                tile_rect,
                resource_cyan,
                gfx::RectF(tile_size),
@@ skipping 141 matching lines @@
   EXPECT_EQ(
       SK_ColorMAGENTA,
       output.getColor(interior_visible_rect.x(), interior_visible_rect.y()));
   EXPECT_EQ(SK_ColorMAGENTA,
             output.getColor(interior_visible_rect.right() - 1,
                             interior_visible_rect.bottom() - 1));
 }
 
 }  // namespace
 }  // namespace cc