Add detection for rotation and flip overlay transforms

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 533 matching lines @@
 
 
 TEST(DrawQuadTest, CopyTextureDrawQuad) {
   gfx::Rect opaque_rect(33, 47, 10, 12);
   gfx::Rect visible_rect(40, 50, 30, 20);
   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;
+  bool y_flipped = true;
   bool nearest_neighbor = true;
   CREATE_SHARED_STATE();
 
   CREATE_QUAD_10_NEW(TextureDrawQuad,
                      opaque_rect,
                      visible_rect,
                      resource_id,
                      premultiplied_alpha,
                      uv_top_left,
                      uv_bottom_right,
                      SK_ColorTRANSPARENT,
                      vertex_opacity,
-                     flipped,
+                     y_flipped,
                      nearest_neighbor);
   EXPECT_EQ(DrawQuad::TEXTURE_CONTENT, copy_quad->material);
   EXPECT_EQ(visible_rect, copy_quad->visible_rect);
   EXPECT_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);
+  EXPECT_EQ(y_flipped, copy_quad->y_flipped);
   EXPECT_EQ(nearest_neighbor, copy_quad->nearest_neighbor);
 
   CREATE_QUAD_8_ALL(TextureDrawQuad,
                     resource_id,
                     premultiplied_alpha,
                     uv_top_left,
                     uv_bottom_right,
                     SK_ColorTRANSPARENT,
                     vertex_opacity,
-                    flipped,
+                    y_flipped,
                     nearest_neighbor);
   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);
+  EXPECT_EQ(y_flipped, copy_quad->y_flipped);
   EXPECT_EQ(nearest_neighbor, copy_quad->nearest_neighbor);
 }
 
 TEST(DrawQuadTest, CopyTileDrawQuad) {
   gfx::Rect opaque_rect(33, 44, 22, 33);
   gfx::Rect visible_rect(40, 50, 30, 20);
   unsigned resource_id = 104;
   gfx::RectF tex_coord_rect(31.f, 12.f, 54.f, 20.f);
   gfx::Size texture_size(85, 32);
   bool swizzle_contents = true;
@@ skipping 242 matching lines @@
 }
 
 TEST_F(DrawQuadIteratorTest, TextureDrawQuad) {
   gfx::Rect opaque_rect(33, 47, 10, 12);
   gfx::Rect visible_rect(40, 50, 30, 20);
   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;
+  bool y_flipped = true;
   bool nearest_neighbor = true;
 
   CREATE_SHARED_STATE();
   CREATE_QUAD_10_NEW(TextureDrawQuad,
                      opaque_rect,
                      visible_rect,
                      resource_id,
                      premultiplied_alpha,
                      uv_top_left,
                      uv_bottom_right,
                      SK_ColorTRANSPARENT,
                      vertex_opacity,
-                     flipped,
+                     y_flipped,
                      nearest_neighbor);
   EXPECT_EQ(resource_id, quad_new->resource_id);
   EXPECT_EQ(1, IterateAndCount(quad_new));
   EXPECT_EQ(resource_id + 1, quad_new->resource_id);
 }
 
 TEST_F(DrawQuadIteratorTest, TileDrawQuad) {
   gfx::Rect opaque_rect(33, 44, 22, 33);
   gfx::Rect visible_rect(40, 50, 30, 20);
   unsigned resource_id = 104;
@@ skipping 153 matching lines @@
         LOG(ERROR) << "YUVVideoDrawQuad " << sizeof(YUVVideoDrawQuad);
         break;
       case DrawQuad::INVALID:
         break;
     }
   }
 }
 
 }  // namespace
 }  // namespace cc