gpu: support GL_TEXTURE_CUBE_MAP destination target to Copy(Sub)TextureCHROMIUM.

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"
 #include "gpu/command_buffer/service/gl_utils.h"
 #include "gpu/gpu_export.h"
 
 namespace gpu {
 namespace gles2 {
 
+struct DecoderTextureState;
 class GLES2Decoder;
 
 }  // namespace gles2.
 
 // This class encapsulates the resources required to implement the
 // GL_CHROMIUM_copy_texture extension.  The copy operation is performed
 // via glCopyTexImage2D() or a blit to a framebuffer object.
 // The target of |dest_id| texture must be GL_TEXTURE_2D.
 class GPU_EXPORT CopyTextureCHROMIUMResourceManager {
  public:
   CopyTextureCHROMIUMResourceManager();
   ~CopyTextureCHROMIUMResourceManager();
 
   void Initialize(const gles2::GLES2Decoder* decoder);
   void Destroy();
 
   void DoCopyTexture(const gles2::GLES2Decoder* decoder,
                      GLenum source_target,
                      GLuint source_id,
                      GLenum source_internal_format,
+                     GLenum dest_target,
                      GLuint dest_id,
                      GLenum dest_internal_format,
+                     GLenum dest_type,
                      GLsizei width,
                      GLsizei height,
                      bool flip_y,
                      bool premultiply_alpha,
-                     bool unpremultiply_alpha);
+                     bool unpremultiply_alpha,
+                     const gles2::DecoderTextureState* texture_state);
 
   void DoCopySubTexture(const gles2::GLES2Decoder* decoder,
                         GLenum source_target,
                         GLuint source_id,
                         GLenum source_internal_format,
+                        GLenum dest_target,
                         GLuint dest_id,
                         GLenum dest_internal_format,
+                        GLenum dest_type,
                         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);
+                        bool unpremultiply_alpha,
+                        const gles2::DecoderTextureState* texture_state);
 
   // This will apply a transform on the texture coordinates before sampling
   // the source texture and copying to the destination texture. The transform
   // matrix should be given in column-major form, so it can be passed
   // directly to GL.
-  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 DoCopyTextureWithTransform(
+      const gles2::GLES2Decoder* decoder,
+      GLenum source_target,
+      GLuint source_id,
+      GLenum dest_target,
+      GLuint dest_id,
+      GLenum dest_internal_format,
+      GLenum dest_type,
+      GLsizei width,
+      GLsizei height,
+      bool flip_y,
+      bool premultiply_alpha,
+      bool unpremultiply_alpha,
+      const gles2::DecoderTextureState* texture_state,
+      const GLfloat transform_matrix[16]);
 
   // The attributes used during invocation of the extension.
   static const GLuint kVertexPositionAttrib = 0;
 
  private:
   struct ProgramInfo {
     ProgramInfo()
         : program(0u),
           vertex_translate_handle(0u),
           tex_coord_transform_handle(0u),
           half_size_handle(0u),
           sampler_handle(0u) {}
 
     GLuint program;
     GLuint vertex_translate_handle;
     GLuint tex_coord_transform_handle;
     GLuint half_size_handle;
     GLuint sampler_handle;
   };
 
   void DoCopyTextureInternal(const gles2::GLES2Decoder* decoder,
                              GLenum source_target,
                              GLuint source_id,
+                             GLenum dest_target,
                              GLuint dest_id,
                              GLint xoffset,
                              GLint yoffset,
                              GLint x,
                              GLint y,
                              GLsizei width,
                              GLsizei height,
                              GLsizei dest_width,
                              GLsizei dest_height,
                              GLsizei source_width,
@@ skipping 12 matching lines @@
   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_