cc: Adding support for RGBA_4444 tile textures

cc/output/direct_renderer.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/direct_renderer.h"
 
 #include <utility>
 #include <vector>
 
 #include "base/containers/hash_tables.h"
@@ skipping 381 matching lines @@
 
   CachedResource* texture = render_pass_textures_.get(render_pass->id);
   DCHECK(texture);
 
   gfx::Size size = RenderPassTextureSize(render_pass);
   size.Enlarge(enlarge_pass_texture_amount_.x(),
                enlarge_pass_texture_amount_.y());
   if (!texture->id() &&
       !texture->Allocate(size,
                          RenderPassTextureFormat(render_pass),
-                         ResourceProvider::TextureUsageFramebuffer))
+                         ResourceProvider::TextureUsageFramebuffer,
+                         RenderPassTextureType(render_pass)))
     return false;
 
   return BindFramebufferToTexture(frame, texture, render_pass->output_rect);
 }
 
 bool DirectRenderer::HaveCachedResourcesForRenderPassId(RenderPass::Id id)
     const {
   if (!settings_->cache_render_pass_contents)
     return false;
 
   CachedResource* texture = render_pass_textures_.get(id);
   return texture && texture->id() && texture->is_complete();
 }
 
 // static
 gfx::Size DirectRenderer::RenderPassTextureSize(const RenderPass* render_pass) {
   return render_pass->output_rect.size();
 }
 
 // static
 GLenum DirectRenderer::RenderPassTextureFormat(const RenderPass* render_pass) {
   return GL_RGBA;
 }
 
+// static
+ResourceProvider::TextureType DirectRenderer::RenderPassTextureType(
+    const RenderPass* render_pass) {
+  return ResourceProvider::RGBA_8888;
+}
+
 }  // namespace cc