command_buffer: Implement EXT_blend_func_extended

gpu/command_buffer/client/program_info_manager.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_CLIENT_PROGRAM_INFO_MANAGER_H_
 #define GPU_COMMAND_BUFFER_CLIENT_PROGRAM_INFO_MANAGER_H_
 
 #include <GLES3/gl3.h>
 
 #include <string>
@@ skipping 20 matching lines @@
 
   bool GetProgramiv(
       GLES2Implementation* gl, GLuint program, GLenum pname, GLint* params);
 
   GLint GetAttribLocation(
       GLES2Implementation* gl, GLuint program, const char* name);
 
   GLint GetUniformLocation(
       GLES2Implementation* gl, GLuint program, const char* name);
 
+  GLint GetFragDataIndex(GLES2Implementation* gl,
+                         GLuint program,
+                         const char* name);
+
   GLint GetFragDataLocation(
       GLES2Implementation* gl, GLuint program, const char* name);
 
   bool GetActiveAttrib(
       GLES2Implementation* gl, GLuint program, GLuint index, GLsizei bufsize,
       GLsizei* length, GLint* size, GLenum* type, char* name);
 
   bool GetActiveUniform(
       GLES2Implementation* gl, GLuint program, GLuint index, GLsizei bufsize,
       GLsizei* length, GLint* size, GLenum* type, char* name);
@@ skipping 108 matching lines @@
     const UniformInfo* GetUniformInfo(GLint index) const;
 
     // Gets the location of a uniform by name.
     GLint GetUniformLocation(const std::string& name) const;
     // Gets the index of a uniform by name. Return INVALID_INDEX in failure.
     GLuint GetUniformIndex(const std::string& name) const;
 
     bool GetUniformsiv(
         GLsizei count, const GLuint* indices, GLenum pname, GLint* params);
 
+    GLint GetFragDataIndex(const std::string& name) const;
+    void CacheFragDataIndex(const std::string& name, GLint index);
+
     GLint GetFragDataLocation(const std::string& name) const;
     void CacheFragDataLocation(const std::string& name, GLint loc);
 
     bool GetProgramiv(GLenum pname, GLint* params);
 
     // Gets the index of a uniform block by name.
     GLuint GetUniformBlockIndex(const std::string& name) const;
     const UniformBlock* GetUniformBlock(GLuint index) const;
     // Update the binding if the |index| uniform block is in the cache.
     void UniformBlockBinding(GLuint index, GLuint binding);
@@ skipping 45 matching lines @@
     uint32_t transform_feedback_varying_max_length_;
 
     // TransformFeedback varyings by index.
     std::vector<TransformFeedbackVarying> transform_feedback_varyings_;
 
     bool cached_es3_uniformsiv_;
 
     std::vector<UniformES3> uniforms_es3_;
 
     base::hash_map<std::string, GLint> frag_data_locations_;
+    base::hash_map<std::string, GLint> frag_data_indices_;
   };
 
   Program* GetProgramInfo(
       GLES2Implementation* gl, GLuint program, ProgramInfoType type);
 
   typedef base::hash_map<GLuint, Program> ProgramInfoMap;
 
   ProgramInfoMap program_infos_;
 
   mutable base::Lock lock_;
 };
 
 }  // namespace gles2
 }  // namespace gpu
 
 #endif  // GPU_COMMAND_BUFFER_CLIENT_PROGRAM_INFO_MANAGER_H_