Blend TextureLayer background-color at draw time.

cc/quads/draw_quad_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/draw_quad.h"
 
 #include <algorithm>
 
 #include "base/bind.h"
 #include "base/compiler_specific.h"
@@ skipping 441 matching lines @@
 TEST(DrawQuadTest, CopyTextureDrawQuad) {
   gfx::Rect opaque_rect(3, 7, 10, 12);
   unsigned resource_id = 82;
   bool premultiplied_alpha = true;
   gfx::PointF uv_top_left(0.5f, 224.f);
   gfx::PointF uv_bottom_right(51.5f, 260.f);
   const float vertex_opacity[] = { 1.0f, 1.0f, 1.0f, 1.0f };
   bool flipped = true;
   CREATE_SHARED_STATE();
 
-  CREATE_QUAD_7_NEW(TextureDrawQuad,
+  CREATE_QUAD_8_NEW(TextureDrawQuad,
                     opaque_rect,
                     resource_id,
                     premultiplied_alpha,
                     uv_top_left,
                     uv_bottom_right,
+                    SK_ColorTRANSPARENT,
                     vertex_opacity,
                     flipped);
   EXPECT_EQ(DrawQuad::TEXTURE_CONTENT, copy_quad->material);
   EXPECT_RECT_EQ(opaque_rect, copy_quad->opaque_rect);
   EXPECT_EQ(resource_id, copy_quad->resource_id);
   EXPECT_EQ(premultiplied_alpha, copy_quad->premultiplied_alpha);
   EXPECT_EQ(uv_top_left, copy_quad->uv_top_left);
   EXPECT_EQ(uv_bottom_right, copy_quad->uv_bottom_right);
   EXPECT_FLOAT_ARRAY_EQ(vertex_opacity, copy_quad->vertex_opacity, 4);
   EXPECT_EQ(flipped, copy_quad->flipped);
 
-  CREATE_QUAD_6_ALL(TextureDrawQuad,
+  CREATE_QUAD_7_ALL(TextureDrawQuad,
                     resource_id,
                     premultiplied_alpha,
                     uv_top_left,
                     uv_bottom_right,
+                    SK_ColorTRANSPARENT,
                     vertex_opacity,
                     flipped);
   EXPECT_EQ(DrawQuad::TEXTURE_CONTENT, copy_quad->material);
   EXPECT_EQ(resource_id, copy_quad->resource_id);
   EXPECT_EQ(premultiplied_alpha, copy_quad->premultiplied_alpha);
   EXPECT_EQ(uv_top_left, copy_quad->uv_top_left);
   EXPECT_EQ(uv_bottom_right, copy_quad->uv_bottom_right);
   EXPECT_FLOAT_ARRAY_EQ(vertex_opacity, copy_quad->vertex_opacity, 4);
   EXPECT_EQ(flipped, copy_quad->flipped);
 }
@@ skipping 20 matching lines @@
   //  A----------D 120
   // UV and vertex opacity are stored per vertex on the parent rectangle 'ABCD'.
 
   // This is the UV value for vertex 'B'.
   gfx::PointF uv_top_left(0.1f, 0.2f);
   // This is the UV value for vertex 'D'.
   gfx::PointF uv_bottom_right(0.9f, 0.8f);
   // This the vertex opacity for the vertices 'ABCD'.
   const float vertex_opacity[] = { 0.3f, 0.4f, 0.7f, 0.8f };
   {
-    CREATE_QUAD_7_NEW(TextureDrawQuad,
+    CREATE_QUAD_8_NEW(TextureDrawQuad,
                       opaque_rect,
                       resource_id,
                       premultiplied_alpha,
                       uv_top_left,
                       uv_bottom_right,
+                      SK_ColorTRANSPARENT,
                       vertex_opacity,
                       flipped);
-    CREATE_QUAD_6_ALL(TextureDrawQuad,
+    CREATE_QUAD_7_ALL(TextureDrawQuad,
                       resource_id,
                       premultiplied_alpha,
                       uv_top_left,
                       uv_bottom_right,
+                      SK_ColorTRANSPARENT,
                       vertex_opacity,
                       flipped);
     EXPECT_TRUE(quad_all->PerformClipping());
 
     // This is the expected UV value for vertex 'b'.
     // uv(b) = uv(B) + (Bb / BD) * (uv(D) - uv(B))
     // 0.3 = 0.2 + (10 / 60) * (0.8 - 0.2)
     gfx::PointF uv_top_left_clipped(0.26f, 0.3f);
     // This is the expected UV value for vertex 'd'.
     // uv(d) = uv(B) + (Bd / BD) * (uv(D) - uv(B))
     gfx::PointF uv_bottom_right_clipped(0.74f, 0.5f);
     // This the expected vertex opacity for the vertices 'abcd'.
     // They are computed with a bilinear interpolation of the corner values.
     const float vertex_opacity_clipped[] = { 0.43f, 0.45f, 0.65f, 0.67f };
 
     EXPECT_EQ(uv_top_left_clipped, quad_all->uv_top_left);
     EXPECT_EQ(uv_bottom_right_clipped, quad_all->uv_bottom_right);
     EXPECT_FLOAT_ARRAY_EQ(vertex_opacity_clipped, quad_all->vertex_opacity, 4);
   }
 
   uv_top_left = gfx::PointF(0.8f, 0.7f);
   uv_bottom_right = gfx::PointF(0.2f, 0.1f);
   {
-    CREATE_QUAD_7_NEW(TextureDrawQuad,
+    CREATE_QUAD_8_NEW(TextureDrawQuad,
                       opaque_rect,
                       resource_id,
                       premultiplied_alpha,
                       uv_top_left,
                       uv_bottom_right,
+                      SK_ColorTRANSPARENT,
                       vertex_opacity,
                       flipped);
-    CREATE_QUAD_6_ALL(TextureDrawQuad,
+    CREATE_QUAD_7_ALL(TextureDrawQuad,
                       resource_id,
                       premultiplied_alpha,
                       uv_top_left,
                       uv_bottom_right,
+                      SK_ColorTRANSPARENT,
                       vertex_opacity,
                       flipped);
     EXPECT_TRUE(quad_all->PerformClipping());
 
     // This is the expected UV value for vertex 'b'.
     gfx::PointF uv_top_left_clipped(0.68f, 0.6f);
     // This is the expected UV value for vertex 'd'.
     gfx::PointF uv_bottom_right_clipped(0.32f, 0.4f);
 
     EXPECT_EQ(uv_top_left_clipped, quad_all->uv_top_left);
@@ skipping 231 matching lines @@
 TEST_F(DrawQuadIteratorTest, TextureDrawQuad) {
   gfx::Rect opaque_rect(3, 7, 10, 12);
   unsigned resource_id = 82;
   bool premultiplied_alpha = true;
   gfx::PointF uv_top_left(0.5f, 224.f);
   gfx::PointF uv_bottom_right(51.5f, 260.f);
   const float vertex_opacity[] = { 1.0f, 1.0f, 1.0f, 1.0f };
   bool flipped = true;
 
   CREATE_SHARED_STATE();
-  CREATE_QUAD_7_NEW(TextureDrawQuad,
+  CREATE_QUAD_8_NEW(TextureDrawQuad,
                     opaque_rect,
                     resource_id,
                     premultiplied_alpha,
                     uv_top_left,
                     uv_bottom_right,
+                    SK_ColorTRANSPARENT,
                     vertex_opacity,
                     flipped);
   EXPECT_EQ(resource_id, quad_new->resource_id);
   EXPECT_EQ(1, IterateAndCount(quad_new.get()));
   EXPECT_EQ(resource_id + 1, quad_new->resource_id);
 }
 
 TEST_F(DrawQuadIteratorTest, TileDrawQuad) {
   gfx::Rect opaque_rect(33, 44, 22, 33);
   unsigned resource_id = 104;
@@ skipping 60 matching lines @@
                     swizzle_contents,
                     content_rect,
                     contents_scale,
                     can_draw_direct_to_backbuffer,
                     picture_pile);
   EXPECT_EQ(0, IterateAndCount(quad_new.get()));
 }
 
 }  // namespace
 }  // namespace cc