cc: Adding support for RGBA_4444 tile textures

cc/quads/picture_draw_quad.cc

 // Copyright 2013 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/picture_draw_quad.h"
 
 #include "base/values.h"
 #include "cc/base/math_util.h"
+#include "cc/resources/platform_color.h"
 
 namespace cc {
 
 PictureDrawQuad::PictureDrawQuad() {
 }
 
 PictureDrawQuad::~PictureDrawQuad() {
 }
 
 scoped_ptr<PictureDrawQuad> PictureDrawQuad::Create() {
   return make_scoped_ptr(new PictureDrawQuad);
 }
 
 void PictureDrawQuad::SetNew(const SharedQuadState* shared_quad_state,
                              gfx::Rect rect,
                              gfx::Rect opaque_rect,
                              const gfx::RectF& tex_coord_rect,
                              gfx::Size texture_size,
-                             bool swizzle_contents,
+                             ResourceFormat texture_format,
                              gfx::Rect content_rect,
                              float contents_scale,
                              bool can_draw_direct_to_backbuffer,
                              scoped_refptr<PicturePileImpl> picture_pile) {
-  ContentDrawQuadBase::SetNew(shared_quad_state, DrawQuad::PICTURE_CONTENT,
-                              rect, opaque_rect, tex_coord_rect, texture_size,
-                              swizzle_contents);
+  ContentDrawQuadBase::SetNew(shared_quad_state,
+                              DrawQuad::PICTURE_CONTENT,
+                              rect,
+                              opaque_rect,
+                              tex_coord_rect,
+                              texture_size,
+                              !PlatformColor::SameComponentOrder(
+                                  texture_format));
   this->content_rect = content_rect;
   this->contents_scale = contents_scale;
   this->can_draw_direct_to_backbuffer = can_draw_direct_to_backbuffer;
   this->picture_pile = picture_pile;
+  this->texture_format = texture_format;
 }
 
 void PictureDrawQuad::SetAll(const SharedQuadState* shared_quad_state,
                              gfx::Rect rect,
                              gfx::Rect opaque_rect,
                              gfx::Rect visible_rect,
                              bool needs_blending,
                              const gfx::RectF& tex_coord_rect,
                              gfx::Size texture_size,
-                             bool swizzle_contents,
+                             ResourceFormat texture_format,
                              gfx::Rect content_rect,
                              float contents_scale,
                              bool can_draw_direct_to_backbuffer,
                              scoped_refptr<PicturePileImpl> picture_pile) {
   ContentDrawQuadBase::SetAll(shared_quad_state,
-                              DrawQuad::PICTURE_CONTENT, rect, opaque_rect,
-                              visible_rect, needs_blending, tex_coord_rect,
-                              texture_size, swizzle_contents);
+                              DrawQuad::PICTURE_CONTENT,
+                              rect,
+                              opaque_rect,
+                              visible_rect,
+                              needs_blending,
+                              tex_coord_rect,
+                              texture_size,
+                              !PlatformColor::SameComponentOrder(
+                                  texture_format));
   this->content_rect = content_rect;
   this->contents_scale = contents_scale;
   this->can_draw_direct_to_backbuffer = can_draw_direct_to_backbuffer;
   this->picture_pile = picture_pile;
+  this->texture_format = texture_format;
 }
 
 void PictureDrawQuad::IterateResources(
     const ResourceIteratorCallback& callback) {
   // TODO(danakj): Convert to TextureDrawQuad?
   NOTIMPLEMENTED();
 }
 
 const PictureDrawQuad* PictureDrawQuad::MaterialCast(const DrawQuad* quad) {
   DCHECK(quad->material == DrawQuad::PICTURE_CONTENT);
   return static_cast<const PictureDrawQuad*>(quad);
 }
 
 void PictureDrawQuad::ExtendValue(base::DictionaryValue* value) const {
   ContentDrawQuadBase::ExtendValue(value);
   value->Set("content_rect", MathUtil::AsValue(content_rect).release());
   value->SetDouble("contents_scale", contents_scale);
   value->SetBoolean("can_draw_direct_to_backbuffer",
                     can_draw_direct_to_backbuffer);
+  value->SetInteger("texture_format", texture_format);
   // TODO(piman): picture_pile?
 }
 
 }  // namespace cc