Part 4 of cc/ directory shuffles: output

cc/texture_copier.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_TEXTURE_COPIER_H_
-#define CC_TEXTURE_COPIER_H_
-
-#include "base/basictypes.h"
-#include "base/memory/scoped_ptr.h"
-#include "cc/base/cc_export.h"
-#include "cc/program_binding.h"
-#include "cc/shader.h"
-#include "third_party/khronos/GLES2/gl2.h"
-#include "ui/gfx/size.h"
-
-namespace WebKit { class WebGraphicsContext3D; }
-
-namespace cc {
-
-class CC_EXPORT TextureCopier {
- public:
-  struct Parameters {
-    unsigned source_texture;
-    unsigned dest_texture;
-    gfx::Size size;
-  };
-  // Copy the base level contents of |source_texture| to |dest_texture|. Both
-  // texture objects must be complete and have a base level of |size|
-  // dimensions. The color formats do not need to match, but |dest_texture| must
-  // have a renderable format.
-  virtual void CopyTexture(Parameters parameters) = 0;
-  virtual void Flush() = 0;
-
-  virtual ~TextureCopier() {}
-};
-
-class CC_EXPORT AcceleratedTextureCopier : public TextureCopier {
- public:
-  static scoped_ptr<AcceleratedTextureCopier> Create(
-      WebKit::WebGraphicsContext3D* context,
-      bool using_bind_uniforms) {
-    return make_scoped_ptr(
-        new AcceleratedTextureCopier(context, using_bind_uniforms));
-  }
-  virtual ~AcceleratedTextureCopier();
-
-  virtual void CopyTexture(Parameters parameters) OVERRIDE;
-  virtual void Flush() OVERRIDE;
-
- protected:
-  AcceleratedTextureCopier(WebKit::WebGraphicsContext3D* context,
-                           bool using_bind_uniforms);
-
- private:
-  typedef ProgramBinding<VertexShaderPosTexIdentity, FragmentShaderRGBATex>
-      BlitProgram;
-
-  WebKit::WebGraphicsContext3D* context_;
-  GLuint fbo_;
-  GLuint position_buffer_;
-  scoped_ptr<BlitProgram> blit_program_;
-  bool using_bind_uniforms_;
-
-  DISALLOW_COPY_AND_ASSIGN(AcceleratedTextureCopier);
-};
-
-}
-
-#endif  // CC_TEXTURE_COPIER_H_