1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
|
//
// libavg - Media Playback Engine.
// Copyright (C) 2003-2014 Ulrich von Zadow
//
// This library is free software; you can redistribute it and/or
// modify it under the terms of the GNU Lesser General Public
// License as published by the Free Software Foundation; either
// version 2 of the License, or (at your option) any later version.
//
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
// Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public
// License along with this library; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
//
// Current versions can be found at www.libavg.de
//
#ifndef _OGLShader_H_
#define _OGLShader_H_
#include "../api.h"
#include "OGLHelper.h"
#include "GLShaderParam.h"
#include "Pixel32.h"
#include "../base/GLMHelper.h"
#include <boost/shared_ptr.hpp>
#include <string>
#include <vector>
namespace avg {
class ShaderRegistry;
typedef boost::shared_ptr<ShaderRegistry> ShaderRegistryPtr;
class AVG_API OGLShader {
public:
virtual ~OGLShader();
void activate();
GLuint getProgram();
const std::string getName() const;
void setTransform(const glm::mat4& transform);
template<class VAL_TYPE>
boost::shared_ptr<GLShaderParamTemplate<VAL_TYPE> > getParam(
const std::string& sName)
{
unsigned pos;
bool bFound = findParam(sName, pos);
GLShaderParamPtr pParam;
if (bFound) {
pParam = m_pParams[pos];
} else {
pParam = GLShaderParamPtr(
new GLShaderParamTemplate<VAL_TYPE>(this, sName));
m_pParams.insert(m_pParams.begin()+pos, pParam);
}
return boost::dynamic_pointer_cast<
GLShaderParamTemplate<VAL_TYPE> >(pParam);
}
private:
OGLShader(const std::string& sName, const std::string& sVertProgram,
const std::string& sFragProgram, const std::string& sVertPrefix,
const std::string& sFragPrefix);
friend class ShaderRegistry;
GLuint compileShader(GLenum shaderType, const std::string& sProgram,
const std::string& sPrefix);
bool findParam(const std::string& sName, unsigned& pos);
void dumpInfoLog(GLuint hObj, long severity, bool bIsProgram=false);
std::string removeATIInfoLogSpam(const std::string& sLog);
std::string m_sName;
GLuint m_hVertexShader;
GLuint m_hFragmentShader;
GLuint m_hProgram;
std::string m_sVertProgram;
std::string m_sFragProgram;
std::vector<GLShaderParamPtr> m_pParams;
Mat4fGLShaderParamPtr m_pTransformParam;
// Dumb pointer for speed reasons.
ShaderRegistry* m_pShaderRegistry;
};
typedef boost::shared_ptr<OGLShader> OGLShaderPtr;
}
#endif
|