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Object-Oriented Graphics Rendering Engine
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src/GLSL/include/OgreGLSLGpuProgram.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/
6 
7 Copyright (c) 2000-2014 Torus Knot Software Ltd
8 
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
11 in the Software without restriction, including without limitation the rights
12 to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
13 copies of the Software, and to permit persons to whom the Software is
14 furnished to do so, subject to the following conditions:
15 
16 The above copyright notice and this permission notice shall be included in
17 all copies or substantial portions of the Software.
18 
19 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
20 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
21 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
22 AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
23 LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
24 OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
25 THE SOFTWARE.
26 -----------------------------------------------------------------------------
27 */
28 
29 #ifndef __GLSLGpuProgram_H__
30 #define __GLSLGpuProgram_H__
31 
32 // Precompiler options
33 #include "OgreGLSLExtSupport.h"
34 #include "OgreGLGpuProgram.h"
35 
36 namespace Ogre {
37  namespace GLSL {
48  {
49  private:
52 
54  static GLuint mVertexShaderCount;
56  static GLuint mFragmentShaderCount;
58  static GLuint mGeometryShaderCount;
59 
60  public:
61  GLSLGpuProgram(GLSLProgram* parent);
62  ~GLSLGpuProgram();
63 
64 
66  void bindProgram(void);
68  void unbindProgram(void);
70  void bindProgramParameters(GpuProgramParametersSharedPtr params, uint16 mask);
72  void bindProgramPassIterationParameters(GpuProgramParametersSharedPtr params);
73 
75  GLuint getProgramID(void) const
76  { return mProgramID; }
77 
79  GLSLProgram* getGLSLProgram(void) const { return mGLSLProgram; }
80 
82  GLuint getAttributeIndex(VertexElementSemantic semantic, uint index);
83 
85  bool isAttributeValid(VertexElementSemantic semantic, uint index);
86 
87  protected:
89  void loadFromSource(void);
91  void unloadImpl(void);
93  void loadImpl(void);
94  };
95 
96  }
97 }
98 
99 
100 #endif // __GLSLGpuProgram_H__
Generalised low-level GL program, can be applied to multiple types (eg ARB and NV) ...
VertexElementSemantic
Vertex element semantics, used to identify the meaning of vertex buffer contents. ...
#define _OgreGLExport
static GLuint mGeometryShaderCount
keep track of the number of geometry shaders created
GLuint getProgramID(void) const
Get the assigned GL program id.
GLSLProgram * mGLSLProgram
GL Handle for the shader object.
GLSLProgram * getGLSLProgram(void) const
Get the GLSLProgram for the shader object.
Specialisation of HighLevelGpuProgram to provide support for OpenGL Shader Language (GLSL)...
static GLuint mFragmentShaderCount
Keep track of the number of fragment shaders created.
unsigned short uint16
Definition: OgrePlatform.h:421
GLSL low level compiled shader object - this class is used to get at the linked program object and pr...
unsigned int uint
static GLuint mVertexShaderCount
Keep track of the number of vertex shaders created.