gpu, cmaa: reuse CopyTextureCHROMIUMResourceManager

gpu/command_buffer/service/gles2_cmd_apply_framebuffer_attachment_cmaa_intel.h

 // Copyright 2016 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 GPU_COMMAND_BUFFER_SERVICE_GLES2_CMD_APPLY_FRAMEBUFFER_ATTACHMENT_CMAA_INTEL_H_
 #define GPU_COMMAND_BUFFER_SERVICE_GLES2_CMD_APPLY_FRAMEBUFFER_ATTACHMENT_CMAA_INTEL_H_
 
 #include "gpu/command_buffer/service/gl_utils.h"
 #include "gpu/gpu_export.h"
 
 namespace {
 class CMAAEffect;
 }
 
 namespace gpu {
 namespace gles2 {
+class CopyTextureCHROMIUMResourceManager;
 class GLES2Decoder;
 class Framebuffer;
 
 // This class encapsulates the resources required to implement the
 // GL_INTEL_framebuffer_CMAA extension via shaders.
 //
 // The CMAA Conservative Morphological Anti-Aliasing) algorithm is applied to
 // all color attachments of the currently bound draw framebuffer.
 //
 // Reference GL_INTEL_framebuffer_CMAA for details.
 class GPU_EXPORT ApplyFramebufferAttachmentCMAAINTELResourceManager {
  public:
   ApplyFramebufferAttachmentCMAAINTELResourceManager();
   ~ApplyFramebufferAttachmentCMAAINTELResourceManager();
 
   void Initialize(gles2::GLES2Decoder* decoder);
   void Destroy();
 
   // Applies the algorithm to the color attachments of the currently bound draw
   // framebuffer.
-  void ApplyFramebufferAttachmentCMAAINTEL(gles2::GLES2Decoder* decoder,
-                                           gles2::Framebuffer* framebuffer);
+  void ApplyFramebufferAttachmentCMAAINTEL(
+      gles2::GLES2Decoder* decoder,
+      gles2::Framebuffer* framebuffer,
+      gles2::CopyTextureCHROMIUMResourceManager* copier);
 
  private:
   // Applies the CMAA algorithm to a texture.
   void ApplyCMAAEffectTexture(GLuint source_texture,
                               GLuint dest_texture,
                               bool do_copy);
 
   void OnSize(GLint width, GLint height);
   void ReleaseTextures();
 
-  void CopyTexture(GLint source, GLint dest);
   GLuint CreateProgram(const char* defines,
                        const char* vs_source,
                        const char* fs_source);
   GLuint CreateShader(GLenum type, const char* defines, const char* source);
 
   bool initialized_;
   bool textures_initialized_;
   bool is_in_gamma_correct_mode_;
   bool supports_usampler_;
   bool supports_r8_image_;
   bool supports_r8_read_format_;
   bool is_gles31_compatible_;
 
   int frame_id_;
 
   GLint width_;
   GLint height_;
 
-  GLuint copy_to_framebuffer_shader_;
   GLuint edges0_shader_;
   GLuint edges1_shader_;
   GLuint edges_combine_shader_;
   GLuint process_and_apply_shader_;
   GLuint debug_display_edges_shader_;
 
   GLuint cmaa_framebuffer_;
-  GLuint copy_framebuffer_;
 
   GLuint rgba8_texture_;
   GLuint working_color_texture_;
   GLuint edges0_texture_;
   GLuint edges1_texture_;
   GLuint mini4_edge_texture_;
   GLuint mini4_edge_depth_texture_;
 
   GLuint edges0_shader_result_rgba_texture_slot1_;
   GLuint edges0_shader_target_texture_slot2_;
   GLuint edges1_shader_result_edge_texture_;
   GLuint process_and_apply_shader_result_rgba_texture_slot1_;
   GLuint edges_combine_shader_result_edge_texture_;
 
   static const char vert_str_[];
   static const char cmaa_frag_s1_[];
   static const char cmaa_frag_s2_[];
-  static const char copy_frag_str_[];
 
   DISALLOW_COPY_AND_ASSIGN(ApplyFramebufferAttachmentCMAAINTELResourceManager);
 };
 
 }  // namespace gles2
 }  // namespace gpu
 
 #endif  // GPU_COMMAND_BUFFER_SERVICE_GLES2_CMD_APPLY_FRAMEBUFFER_ATTACHMENT_CMAA_INTEL_H_