gpu: Extend CopyTextureCHROMIUM with support for copying part of source texture.

gpu/command_buffer/service/gles2_cmd_copy_texture_chromium.h

 // Copyright (c) 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 GPU_COMMAND_BUFFER_SERVICE_GLES2_CMD_COPY_TEXTURE_CHROMIUM_H_
 #define GPU_COMMAND_BUFFER_SERVICE_GLES2_CMD_COPY_TEXTURE_CHROMIUM_H_
 
 #include <vector>
 
 #include "base/containers/hash_tables.h"
@@ skipping 32 matching lines @@
                      bool unpremultiply_alpha);
 
   void DoCopySubTexture(const gles2::GLES2Decoder* decoder,
                         GLenum source_target,
                         GLuint source_id,
                         GLenum source_internal_format,
                         GLuint dest_id,
                         GLenum dest_internal_format,
                         GLint xoffset,
                         GLint yoffset,
+                        GLint x,
+                        GLint y,
+                        GLsizei width,
+                        GLsizei height,
                         GLsizei dest_width,
                         GLsizei dest_height,
                         GLsizei source_width,
                         GLsizei source_height,
                         bool flip_y,
                         bool premultiply_alpha,
                         bool unpremultiply_alpha);
 
   // This will apply a transform on the source texture before copying to
   // destination texture.
   void DoCopyTextureWithTransform(const gles2::GLES2Decoder* decoder,
                                   GLenum source_target,
                                   GLuint source_id,
                                   GLuint dest_id,
                                   GLsizei width,
                                   GLsizei height,
                                   bool flip_y,
                                   bool premultiply_alpha,
                                   bool unpremultiply_alpha,
                                   const GLfloat transform_matrix[16]);
 
-  void DoCopySubTextureWithTransform(const gles2::GLES2Decoder* decoder,
-                                     GLenum source_target,
-                                     GLuint source_id,
-                                     GLuint dest_id,
-                                     GLint xoffset,
-                                     GLint yoffset,
-                                     GLsizei dest_width,
-                                     GLsizei dest_height,
-                                     GLsizei source_width,
-                                     GLsizei source_height,
-                                     bool flip_y,
-                                     bool premultiply_alpha,
-                                     bool unpremultiply_alpha,
-                                     const GLfloat transform_matrix[16]);
-
   // The attributes used during invocation of the extension.
   static const GLuint kVertexPositionAttrib = 0;
 
  private:
   struct ProgramInfo {
     ProgramInfo()
         : program(0u),
           matrix_handle(0u),
           half_size_handle(0u),
           sampler_handle(0u) {}
@@ skipping 10 matching lines @@
                              GLuint dest_id,
                              GLint xoffset,
                              GLint yoffset,
                              GLsizei dest_width,
                              GLsizei dest_height,
                              GLsizei source_width,
                              GLsizei source_height,
                              bool flip_y,
                              bool premultiply_alpha,
                              bool unpremultiply_alpha,
-                             const GLfloat transform_matrix[16]);
+                             const GLfloat transform_matrix[16],
+                             GLint scissor_x,
+                             GLint scissor_y,
+                             GLsizei scissor_width,
+                             GLsizei scissor_height);
 
   bool initialized_;
   typedef std::vector<GLuint> ShaderVector;
   ShaderVector vertex_shaders_;
   ShaderVector fragment_shaders_;
   typedef std::pair<int, int> ProgramMapKey;
   typedef base::hash_map<ProgramMapKey, ProgramInfo> ProgramMap;
   ProgramMap programs_;
   GLuint buffer_id_;
   GLuint framebuffer_;
 
   DISALLOW_COPY_AND_ASSIGN(CopyTextureCHROMIUMResourceManager);
 };
 
 }  // namespace gpu.
 
 #endif  // GPU_COMMAND_BUFFER_SERVICE_GLES2_CMD_COPY_TEXTURE_CHROMIUM_H_