vg/vg_gldiag.h

   1 #define VG_GLDIAG_GL_GET_STRING( o, x ) fprintf( o, #x ": %s\n", glGetString( x ) );
   2
   3 static void vg_check_gl_integerv( FILE *log, GLenum name, const char *stringname )
   4 {
   5         GLint data;
   6         glGetIntegerv( name, &data );
   7         fprintf( log, "%s:%d\n", stringname, data );
   8 }
   9
  10 #define VG_GLDIAG_GL_INTEGERV( o, x ) vg_check_gl_integerv( o, x, #x );
  11
  12 static int vg_run_gfx_diagnostics(void)
  13 {
  14         FILE *log = fopen( "gldiag.txt", "w" );
  15         if( log )
  16         {
  17                 VG_GLDIAG_GL_GET_STRING( log, GL_VERSION )
  18                 VG_GLDIAG_GL_GET_STRING( log, GL_VENDOR )
  19                 VG_GLDIAG_GL_GET_STRING( log, GL_RENDERER )
  20                 VG_GLDIAG_GL_GET_STRING( log, GL_SHADING_LANGUAGE_VERSION )
  21
  22                 VG_GLDIAG_GL_INTEGERV( log, GL_MAX_3D_TEXTURE_SIZE )
  23                 VG_GLDIAG_GL_INTEGERV( log, GL_MAX_ARRAY_TEXTURE_LAYERS )
  24                 VG_GLDIAG_GL_INTEGERV( log, GL_MAX_CLIP_DISTANCES )
  25                 VG_GLDIAG_GL_INTEGERV( log, GL_MAX_COLOR_TEXTURE_SAMPLES )
  26                 VG_GLDIAG_GL_INTEGERV( log, GL_MAX_COMBINED_UNIFORM_BLOCKS )
  27                 VG_GLDIAG_GL_INTEGERV( log, GL_MAX_COMBINED_TEXTURE_IMAGE_UNITS )
  28                 VG_GLDIAG_GL_INTEGERV( log, GL_MAX_DRAW_BUFFERS )
  29                 VG_GLDIAG_GL_INTEGERV( log, GL_MAX_ELEMENTS_INDICES )
  30                 VG_GLDIAG_GL_INTEGERV( log, GL_MAX_ELEMENTS_VERTICES )
  31                 VG_GLDIAG_GL_INTEGERV( log, GL_MAX_FRAGMENT_UNIFORM_BLOCKS )
  32                 VG_GLDIAG_GL_INTEGERV( log, GL_MAX_RENDERBUFFER_SIZE )
  33                 VG_GLDIAG_GL_INTEGERV( log, GL_MAX_UNIFORM_BLOCK_SIZE )
  34                 VG_GLDIAG_GL_INTEGERV( log, GL_NUM_EXTENSIONS )
  35                 VG_GLDIAG_GL_INTEGERV( log, GL_PACK_ALIGNMENT )
  36
  37                 fclose( log );
  38         }
  39
  40         return 0;
  41 }