Validate fbo color image format and fragment shader output variable type.

gpu/command_buffer/service/shader_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_SERVICE_SHADER_MANAGER_H_
 #define GPU_COMMAND_BUFFER_SERVICE_SHADER_MANAGER_H_
 
 #include <string>
 
 #include "base/containers/hash_tables.h"
 #include "base/logging.h"
 #include "base/macros.h"
 #include "base/memory/ref_counted.h"
 #include "gpu/command_buffer/service/gl_utils.h"
 #include "gpu/command_buffer/service/shader_translator.h"
 #include "gpu/gpu_export.h"
 
 namespace gpu {
 namespace gles2 {
 
+enum ShaderVariableBaseType {
+  SHADER_VARIABLE_INT = 0x01,
+  SHADER_VARIABLE_UINT = 0x02,
+  SHADER_VARIABLE_FLOAT = 0x03,
+  SHADER_VARIABLE_UNDEFINED_TYPE = 0x00
+};
+
 // This is used to keep the source code for a shader. This is because in order
 // to emluate GLES2 the shaders will have to be re-written before passed to
 // the underlying OpenGL. But, when the user calls glGetShaderSource they
 // should get the source they passed in, not the re-written source.
 class GPU_EXPORT Shader : public base::RefCounted<Shader> {
  public:
   enum TranslatedShaderSourceType {
     kANGLE,
     kGL,  // GL or GLES
   };
@@ skipping 271 matching lines @@
   void RemoveShader(Shader* shader);
 
   DISALLOW_COPY_AND_ASSIGN(ShaderManager);
 };
 
 }  // namespace gles2
 }  // namespace gpu
 
 #endif  // GPU_COMMAND_BUFFER_SERVICE_SHADER_MANAGER_H_