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Object-Oriented Graphics Rendering Engine
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OgreGLSLESProgramManagerCommon.h
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1 /*
2 -----------------------------------------------------------------------------
3 This source file is part of OGRE
4  (Object-oriented Graphics Rendering Engine)
5 For the latest info, see http://www.ogre3d.org/
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7 Copyright (c) 2000-2014 Torus Knot Software Ltd
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9 Permission is hereby granted, free of charge, to any person obtaining a copy
10 of this software and associated documentation files (the "Software"), to deal
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28 #ifndef __GLSLESProgramManagerCommon_H__
29 #define __GLSLESProgramManagerCommon_H__
30 
31 #include "OgreGLES2Prerequisites.h"
32 #include "OgreSingleton.h"
34 #include "OgreGLSLESExtSupport.h"
35 
36 #if !OGRE_NO_GLES2_GLSL_OPTIMISER
37 # include "glsl_optimizer.h"
38 #endif
39 
40 namespace Ogre {
41 
42 
55  {
56  protected:
60 
63 #if !OGRE_NO_GLES2_GLSL_OPTIMISER
64  struct glslopt_ctx *mGLSLOptimiserContext;
65 #endif
66  void completeDefInfo(GLenum gltype, GpuConstantDefinition& defToUpdate);
69  bool completeParamSource(const String& paramName,
70  const GpuConstantDefinitionMap* vertexConstantDefs,
71  const GpuConstantDefinitionMap* fragmentConstantDefs,
72  GLUniformReference& refToUpdate);
73  void parseIndividualConstant(const String& src, GpuNamedConstants& defs,
74  String::size_type currPos,
75  const String& filename, GpuSharedParametersPtr sharedParams);
76 
77  public:
78 
81 
82 #if !OGRE_NO_GLES2_GLSL_OPTIMISER
83 
86  void optimiseShaderSource(GLSLESGpuProgram* gpuProgram);
87 #endif
88 
100  void extractUniforms(GLuint programObject,
101  const GpuConstantDefinitionMap* vertexConstantDefs,
102  const GpuConstantDefinitionMap* fragmentConstantDefs,
110  void extractConstantDefs(const String& src, GpuNamedConstants& constantDefs,
111  const String& filename);
112  };
113 
114 }
115 
116 #endif // __GLSLESProgramManagerCommon_H__
#define _OgreGLES2Export
GLSLESGpuProgram * mActiveVertexGpuProgram
Active objects defining the active rendering gpu state.
Structure used to keep track of named uniforms in the linked program object.
vector< HardwareUniformBufferSharedPtr >::type GLUniformBufferList
Struct collecting together the information for named constants.
Ogre assumes that there are separate vertex and fragment programs to deal with but GLSL ES has one pr...
GLSL ES low level compiled shader object - this class is used to get at the linked program object and...
map< String, GpuConstantDefinition >::type GpuConstantDefinitionMap
vector< GLUniformReference >::type GLUniformReferenceList
Information about predefined program constants.
_StringBase String
Definition: OgreCommon.h:53