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
|
#ifndef SHADER_UTIL_H
#define SHADER_UTIL_H
#ifdef __cplusplus
extern "C" {
#endif
struct uniform_info
{
const char *name;
GLuint size; /**< number of value[] elements: 1, 2, 3 or 4 */
GLenum type; /**< GL_FLOAT, GL_FLOAT_VEC4, GL_INT, GL_FLOAT_MAT4, etc */
GLfloat value[16];
GLint location; /**< filled in by InitUniforms() */
};
#define END_OF_UNIFORMS { NULL, 0, GL_NONE, { 0, 0, 0, 0 }, -1 }
struct attrib_info
{
const char *name;
GLuint size; /**< number of value[] elements: 1, 2, 3 or 4 */
GLenum type; /**< GL_FLOAT, GL_FLOAT_VEC4, GL_INT, etc */
GLint location;
};
extern GLboolean
ShadersSupported(void);
extern GLuint
CompileShaderText(GLenum shaderType, const char *text);
extern GLuint
CompileShaderFile(GLenum shaderType, const char *filename);
extern GLuint
LinkShaders(GLuint vertShader, GLuint fragShader);
extern GLuint
LinkShaders3(GLuint vertShader, GLuint geomShader, GLuint fragShader);
extern GLuint
LinkShaders3WithGeometryInfo(GLuint vertShader, GLuint geomShader, GLuint fragShader,
GLint verticesOut, GLenum inputType, GLenum outputType);
extern GLboolean
ValidateShaderProgram(GLuint program);
extern GLdouble
GetShaderCompileTime(void);
extern GLdouble
GetShaderLinkTime(void);
extern void
SetUniformValues(GLuint program, struct uniform_info uniforms[]);
extern GLuint
GetUniforms(GLuint program, struct uniform_info uniforms[]);
extern void
PrintUniforms(const struct uniform_info uniforms[]);
extern GLuint
GetAttribs(GLuint program, struct attrib_info attribs[]);
extern void
PrintAttribs(const struct attrib_info attribs[]);
/* These pointers are only valid after calling ShadersSupported.
*/
extern PFNGLCREATESHADERPROC CreateShader;
extern PFNGLDELETESHADERPROC DeleteShader;
extern PFNGLSHADERSOURCEPROC ShaderSource;
extern PFNGLGETSHADERIVPROC GetShaderiv;
extern PFNGLGETSHADERINFOLOGPROC GetShaderInfoLog;
extern PFNGLCREATEPROGRAMPROC CreateProgram;
extern PFNGLDELETEPROGRAMPROC DeleteProgram;
extern PFNGLATTACHSHADERPROC AttachShader;
extern PFNGLLINKPROGRAMPROC LinkProgram;
extern PFNGLUSEPROGRAMPROC UseProgram;
extern PFNGLGETPROGRAMIVPROC GetProgramiv;
extern PFNGLGETPROGRAMINFOLOGPROC GetProgramInfoLog;
extern PFNGLVALIDATEPROGRAMARBPROC ValidateProgramARB;
extern PFNGLUNIFORM1IPROC Uniform1i;
extern PFNGLUNIFORM1FVPROC Uniform1fv;
extern PFNGLUNIFORM2FVPROC Uniform2fv;
extern PFNGLUNIFORM3FVPROC Uniform3fv;
extern PFNGLUNIFORM4FVPROC Uniform4fv;
extern PFNGLGETACTIVEATTRIBPROC GetActiveAttrib;
extern PFNGLGETATTRIBLOCATIONPROC GetAttribLocation;
#ifdef __cplusplus
}
#endif
#endif /* SHADER_UTIL_H */
|
