Start of hardware overlay support in CC with Ubercompositor.

cc/quads/render_pass_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/quads/render_pass.h"
 
 #include "cc/base/math_util.h"
 #include "cc/base/scoped_ptr_vector.h"
 #include "cc/output/copy_output_request.h"
 #include "cc/quads/checkerboard_draw_quad.h"
@@ skipping 13 matching lines @@
   // If you add a new field to this class, make sure to add it to the
   // Copy() tests.
   RenderPass::Id id;
   QuadList quad_list;
   SharedQuadStateList shared_quad_state_list;
   gfx::Transform transform_to_root_target;
   gfx::Rect output_rect;
   gfx::RectF damage_rect;
   bool has_transparent_background;
   ScopedPtrVector<CopyOutputRequest> copy_callbacks;
+  RenderPass::OverlayState overlay_state;
 };
 
 static void CompareRenderPassLists(const RenderPassList& expected_list,
                                    const RenderPassList& actual_list) {
   EXPECT_EQ(expected_list.size(), actual_list.size());
   for (size_t i = 0; i < actual_list.size(); ++i) {
     RenderPass* expected = expected_list[i];
     RenderPass* actual = actual_list[i];
 
     EXPECT_EQ(expected->id, actual->id);
     EXPECT_RECT_EQ(expected->output_rect, actual->output_rect);
     EXPECT_EQ(expected->transform_to_root_target,
               actual->transform_to_root_target);
     EXPECT_RECT_EQ(expected->damage_rect, actual->damage_rect);
     EXPECT_EQ(expected->has_transparent_background,
               actual->has_transparent_background);
+    EXPECT_EQ(expected->overlay_state, actual->overlay_state);
 
     EXPECT_EQ(expected->shared_quad_state_list.size(),
               actual->shared_quad_state_list.size());
     EXPECT_EQ(expected->quad_list.size(), actual->quad_list.size());
 
     for (size_t i = 0; i < expected->quad_list.size(); ++i) {
       EXPECT_EQ(expected->quad_list[i]->rect.ToString(),
                 actual->quad_list[i]->rect.ToString());
       EXPECT_EQ(
           expected->quad_list[i]->shared_quad_state->content_bounds.ToString(),
           actual->quad_list[i]->shared_quad_state->content_bounds.ToString());
     }
   }
 }
 
 TEST(RenderPassTest, CopyShouldBeIdenticalExceptIdAndQuads) {
   RenderPass::Id id(3, 2);
   gfx::Rect output_rect(45, 22, 120, 13);
   gfx::Transform transform_to_root =
       gfx::Transform(1.0, 0.5, 0.5, -0.5, -1.0, 0.0);
   gfx::Rect damage_rect(56, 123, 19, 43);
   bool has_transparent_background = true;
+  RenderPass::OverlayState overlay_state = RenderPass::SIMPLE_OVERLAY;
 
   scoped_ptr<TestRenderPass> pass = TestRenderPass::Create();
   pass->SetAll(id,
                output_rect,
                damage_rect,
                transform_to_root,
-               has_transparent_background);
+               has_transparent_background,
+               overlay_state);
   pass->copy_requests.push_back(CopyOutputRequest::CreateEmptyRequest());
 
   // Stick a quad in the pass, this should not get copied.
   scoped_ptr<SharedQuadState> shared_state = SharedQuadState::Create();
   shared_state->SetAll(gfx::Transform(),
                        gfx::Size(),
                        gfx::Rect(),
                        gfx::Rect(),
                        false,
                        1,
                        SkXfermode::kSrcOver_Mode);
   pass->AppendSharedQuadState(shared_state.Pass());
 
   scoped_ptr<CheckerboardDrawQuad> checkerboard_quad =
       CheckerboardDrawQuad::Create();
   checkerboard_quad->SetNew(
       pass->shared_quad_state_list.back(), gfx::Rect(), gfx::Rect(), SkColor());
   pass->quad_list.push_back(checkerboard_quad.PassAs<DrawQuad>());
 
   RenderPass::Id new_id(63, 4);
 
   scoped_ptr<RenderPass> copy = pass->Copy(new_id);
   EXPECT_EQ(new_id, copy->id);
   EXPECT_RECT_EQ(pass->output_rect, copy->output_rect);
   EXPECT_EQ(pass->transform_to_root_target, copy->transform_to_root_target);
   EXPECT_RECT_EQ(pass->damage_rect, copy->damage_rect);
   EXPECT_EQ(pass->has_transparent_background, copy->has_transparent_background);
+  EXPECT_EQ(pass->overlay_state, copy->overlay_state);
   EXPECT_EQ(0u, copy->quad_list.size());
 
   // The copy request should not be copied/duplicated.
   EXPECT_EQ(1u, pass->copy_requests.size());
   EXPECT_EQ(0u, copy->copy_requests.size());
 
   EXPECT_EQ(sizeof(RenderPassSize), sizeof(RenderPass));
 }
 
 TEST(RenderPassTest, CopyAllShouldBeIdentical) {
   RenderPassList pass_list;
 
   RenderPass::Id id(3, 2);
   gfx::Rect output_rect(45, 22, 120, 13);
   gfx::Transform transform_to_root =
       gfx::Transform(1.0, 0.5, 0.5, -0.5, -1.0, 0.0);
   gfx::Rect damage_rect(56, 123, 19, 43);
   bool has_transparent_background = true;
+  RenderPass::OverlayState overlay_state = RenderPass::SIMPLE_OVERLAY;
 
   scoped_ptr<TestRenderPass> pass = TestRenderPass::Create();
   pass->SetAll(id,
                output_rect,
                damage_rect,
                transform_to_root,
-               has_transparent_background);
+               has_transparent_background,
+               overlay_state);
 
   // Two quads using one shared state.
   scoped_ptr<SharedQuadState> shared_state1 = SharedQuadState::Create();
   shared_state1->SetAll(gfx::Transform(),
                         gfx::Size(1, 1),
                         gfx::Rect(),
                         gfx::Rect(),
                         false,
                         1,
                         SkXfermode::kSrcOver_Mode);
@@ skipping 42 matching lines @@
                              SkColor());
   pass->quad_list.push_back(checkerboard_quad4.PassAs<DrawQuad>());
 
   // A second render pass with a quad.
   RenderPass::Id contrib_id(4, 1);
   gfx::Rect contrib_output_rect(10, 15, 12, 17);
   gfx::Transform contrib_transform_to_root =
       gfx::Transform(1.0, 0.5, 0.5, -0.5, -1.0, 0.0);
   gfx::Rect contrib_damage_rect(11, 16, 10, 15);
   bool contrib_has_transparent_background = true;
+  RenderPass::OverlayState contrib_overlay_state = RenderPass::SIMPLE_OVERLAY;
 
   scoped_ptr<TestRenderPass> contrib = TestRenderPass::Create();
   contrib->SetAll(contrib_id,
                   contrib_output_rect,
                   contrib_damage_rect,
                   contrib_transform_to_root,
-                  contrib_has_transparent_background);
+                  contrib_has_transparent_background,
+                  contrib_overlay_state);
 
   scoped_ptr<SharedQuadState> contrib_shared_state = SharedQuadState::Create();
   contrib_shared_state->SetAll(gfx::Transform(),
                                gfx::Size(2, 2),
                                gfx::Rect(),
                                gfx::Rect(),
                                false,
                                1,
                                SkXfermode::kSrcOver_Mode);
   contrib->AppendSharedQuadState(contrib_shared_state.Pass());
@@ skipping 32 matching lines @@
 
 TEST(RenderPassTest, CopyAllWithCulledQuads) {
   RenderPassList pass_list;
 
   RenderPass::Id id(3, 2);
   gfx::Rect output_rect(45, 22, 120, 13);
   gfx::Transform transform_to_root =
       gfx::Transform(1.0, 0.5, 0.5, -0.5, -1.0, 0.0);
   gfx::Rect damage_rect(56, 123, 19, 43);
   bool has_transparent_background = true;
+  RenderPass::OverlayState overlay_state = RenderPass::SIMPLE_OVERLAY;
 
   scoped_ptr<TestRenderPass> pass = TestRenderPass::Create();
   pass->SetAll(id,
                output_rect,
                damage_rect,
                transform_to_root,
-               has_transparent_background);
+               has_transparent_background,
+               overlay_state);
 
   // A shared state with a quad.
   scoped_ptr<SharedQuadState> shared_state1 = SharedQuadState::Create();
   shared_state1->SetAll(gfx::Transform(),
                         gfx::Size(1, 1),
                         gfx::Rect(),
                         gfx::Rect(),
                         false,
                         1,
                         SkXfermode::kSrcOver_Mode);
@@ skipping 52 matching lines @@
 
   // Make a copy with CopyAll().
   RenderPassList copy_list;
   RenderPass::CopyAll(pass_list, &copy_list);
 
   CompareRenderPassLists(pass_list, copy_list);
 }
 
 }  // namespace
 }  // namespace cc