debugutil.c

   1 #include <GL/gl.h>
   2 #include <string.h>
   3 #include <stdlib.h>
   4 #include <stdio.h>
   5
   6 char * get_gl_info() {
   7         const char * gl_version = (const char *) glGetString(GL_VERSION);
   8         const char * gl_sl_version = (const char *) glGetString(GL_SHADING_LANGUAGE_VERSION);
   9         const char * gl_renderer = (const char *) glGetString(GL_RENDERER);
  10
  11         size_t gl_info_length = strlen("OpenGL  - GLSL  - ")
  12                                 + strlen(gl_version)
  13                                 + strlen(gl_sl_version)
  14                                 + strlen(gl_renderer);
  15
  16         char * gl_info = malloc(gl_info_length + sizeof(char));
  17         sprintf(gl_info,
  18                     "OpenGL %s - GLSL %s - %s",
  19                         gl_version,
  20                         gl_sl_version,
  21                         gl_renderer);
  22
  23         return gl_info;
  24 }