gpu/command_buffer/service/gles2_cmd_clear_framebuffer.h

   1 // Copyright 2014 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #ifndef GPU_COMMAND_BUFFER_SERVICE_GLES2_CMD_CLEAR_FRAMEBUFFER_H_
   6 #define GPU_COMMAND_BUFFER_SERVICE_GLES2_CMD_CLEAR_FRAMEBUFFER_H_
   7
   8 #include "gpu/command_buffer/service/gl_utils.h"
   9 #include "gpu/gpu_export.h"
  10
  11 namespace gfx {
  12 class Size;
  13 }
  14
  15 namespace gpu {
  16 namespace gles2 {
  17 class GLES2Decoder;
  18 }
  19
  20 class GPU_EXPORT ClearFramebufferResourceManager {
  21  public:
  22   ClearFramebufferResourceManager(const gles2::GLES2Decoder* decoder);
  23   ~ClearFramebufferResourceManager();
  24
  25
  26   void ClearFramebuffer(const gles2::GLES2Decoder* decoder,
  27                         const gfx::Size& framebuffer_size,
  28                         GLbitfield mask,
  29                         GLfloat clear_color_red,
  30                         GLfloat clear_color_green,
  31                         GLfloat clear_color_blue,
  32                         GLfloat clear_color_alpha,
  33                         GLfloat clear_depth_value,
  34                         GLint clear_stencil_value);
  35
  36  private:
  37   void Initialize(const gles2::GLES2Decoder* decoder);
  38   void Destroy();
  39
  40   // The attributes used during invocation of the extension.
  41   static const GLuint kVertexPositionAttrib = 0;
  42
  43   bool initialized_;
  44   GLuint program_;
  45   GLuint depth_handle_;
  46   GLuint color_handle_;
  47   GLuint buffer_id_;
  48
  49   DISALLOW_COPY_AND_ASSIGN(ClearFramebufferResourceManager);
  50 };
  51
  52 }  // namespace gpu.
  53
  54 #endif  // GPU_COMMAND_BUFFER_SERVICE_GLES2_CMD_CLEAR_FRAMEBUFFER_H_