progs/util/shaderutil.h

   1 #ifndef SHADER_UTIL_H
   2 #define SHADER_UTIL_H
   3
   4
   5
   6 struct uniform_info
   7 {
   8    const char *name;
   9    GLuint size;  /**< number of value[] elements: 1, 2, 3 or 4 */
  10    GLenum type;  /**< GL_FLOAT, GL_FLOAT_VEC4, GL_INT, etc */
  11    GLfloat value[4];
  12    GLint location;  /**< filled in by InitUniforms() */
  13 };
  14
  15 #define END_OF_UNIFORMS   { NULL, 0, GL_NONE, { 0, 0, 0, 0 }, -1 }
  16
  17
  18 struct attrib_info
  19 {
  20    const char *name;
  21    GLuint size;  /**< number of value[] elements: 1, 2, 3 or 4 */
  22    GLenum type;  /**< GL_FLOAT, GL_FLOAT_VEC4, GL_INT, etc */
  23    GLint location;
  24 };
  25
  26
  27 extern GLboolean
  28 ShadersSupported(void);
  29
  30 extern GLuint
  31 CompileShaderText(GLenum shaderType, const char *text);
  32
  33 extern GLuint
  34 CompileShaderFile(GLenum shaderType, const char *filename);
  35
  36 extern GLuint
  37 LinkShaders(GLuint vertShader, GLuint fragShader);
  38
  39 extern void
  40 SetUniformValues(GLuint program, struct uniform_info uniforms[]);
  41
  42 extern GLuint
  43 GetUniforms(GLuint program, struct uniform_info uniforms[]);
  44
  45 extern void
  46 PrintUniforms(const struct uniform_info uniforms[]);
  47
  48 extern GLuint
  49 GetAttribs(GLuint program, struct attrib_info attribs[]);
  50
  51 extern void
  52 PrintAttribs(const struct attrib_info attribs[]);
  53
  54 #endif /* SHADER_UTIL_H */