Convert cc resource system over to GLES2Interface

cc/scheduler/texture_uploader.h

 // 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.
 
 #ifndef CC_SCHEDULER_TEXTURE_UPLOADER_H_
 #define CC_SCHEDULER_TEXTURE_UPLOADER_H_
 
 #include <set>
 
 #include "base/basictypes.h"
 #include "base/memory/scoped_ptr.h"
 #include "cc/base/cc_export.h"
 #include "cc/base/scoped_ptr_deque.h"
 #include "cc/resources/resource_provider.h"
 
-namespace blink { class WebGraphicsContext3D; }
-
 namespace gfx {
 class Rect;
 class Size;
 class Vector2d;
 }
 
+namespace gpu {
+namespace gles2 {
+class GLES2Interface;
+}
+}
+
 namespace cc {
 
 class CC_EXPORT TextureUploader {
  public:
-  static scoped_ptr<TextureUploader>
-  Create(blink::WebGraphicsContext3D* context) {
-    return make_scoped_ptr(new TextureUploader(context));
+  static scoped_ptr<TextureUploader> Create(gpu::gles2::GLES2Interface* gl) {
+    return make_scoped_ptr(new TextureUploader(gl));
   }
   ~TextureUploader();
 
   size_t NumBlockingUploads();
   void MarkPendingUploadsAsNonBlocking();
   double EstimatedTexturesPerSecond();
 
   // Let content_rect be a rectangle, and let content_rect be a sub-rectangle of
   // content_rect, expressed in the same coordinate system as content_rect. Let
   // image be a buffer for content_rect. This function will copy the region
   // corresponding to source_rect to dest_offset in this sub-image.
   void Upload(const uint8* image,
               gfx::Rect content_rect,
               gfx::Rect source_rect,
               gfx::Vector2d dest_offset,
               ResourceFormat format,
               gfx::Size size);
 
   void Flush();
   void ReleaseCachedQueries();
 
  private:
   class Query {
    public:
-    static scoped_ptr<Query> Create(blink::WebGraphicsContext3D* context) {
-      return make_scoped_ptr(new Query(context));
+    static scoped_ptr<Query> Create(gpu::gles2::GLES2Interface* gl) {
+      return make_scoped_ptr(new Query(gl));
     }
 
     virtual ~Query();
 
     void Begin();
     void End();
     bool IsPending();
     unsigned Value();
     size_t TexturesUploaded();
     void mark_as_non_blocking() {
       is_non_blocking_ = true;
     }
     bool is_non_blocking() const {
       return is_non_blocking_;
     }
 
    private:
-    explicit Query(blink::WebGraphicsContext3D* context);
+    explicit Query(gpu::gles2::GLES2Interface* gl);
 
-    blink::WebGraphicsContext3D* context_;
+    gpu::gles2::GLES2Interface* gl_;
     unsigned query_id_;
     unsigned value_;
     bool has_value_;
     bool is_non_blocking_;
 
     DISALLOW_COPY_AND_ASSIGN(Query);
   };
 
-  explicit TextureUploader(blink::WebGraphicsContext3D* context);
+  explicit TextureUploader(gpu::gles2::GLES2Interface* gl);
 
   void BeginQuery();
   void EndQuery();
   void ProcessQueries();
 
   void UploadWithTexSubImage(const uint8* image,
                              gfx::Rect image_rect,
                              gfx::Rect source_rect,
                              gfx::Vector2d dest_offset,
                              ResourceFormat format);
   void UploadWithMapTexSubImage(const uint8* image,
                                 gfx::Rect image_rect,
                                 gfx::Rect source_rect,
                                 gfx::Vector2d dest_offset,
                                 ResourceFormat format);
   void UploadWithTexImageETC1(const uint8* image, gfx::Size size);
 
-  blink::WebGraphicsContext3D* context_;
+  gpu::gles2::GLES2Interface* gl_;
   ScopedPtrDeque<Query> pending_queries_;
   ScopedPtrDeque<Query> available_queries_;
   std::multiset<double> textures_per_second_history_;
   size_t num_blocking_texture_uploads_;
 
   size_t sub_image_size_;
   scoped_ptr<uint8[]> sub_image_;
 
   size_t num_texture_uploads_since_last_flush_;
 
   DISALLOW_COPY_AND_ASSIGN(TextureUploader);
 };
 
 }  // namespace cc
 
 #endif  // CC_SCHEDULER_TEXTURE_UPLOADER_H_