vrshoot

annotate src/opengl.cc @ 0:b2f14e535253

initial commit
author John Tsiombikas <nuclear@member.fsf.org>
date Sat, 01 Feb 2014 19:58:19 +0200
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rev   line source
nuclear@0 1 #include "opengl.h"
nuclear@0 2
nuclear@0 3 void init_opengl()
nuclear@0 4 {
nuclear@0 5 #ifdef __GLEW_H__
nuclear@0 6 glewInit();
nuclear@0 7 #endif
nuclear@0 8 }
nuclear@0 9
nuclear@0 10 const char *strglerr(int err)
nuclear@0 11 {
nuclear@0 12 static const char *errnames[] = {
nuclear@0 13 "GL_INVALID_ENUM",
nuclear@0 14 "GL_INVALID_VALUE",
nuclear@0 15 "GL_INVALID_OPERATION",
nuclear@0 16 "GL_STACK_OVERFLOW",
nuclear@0 17 "GL_STACK_UNDERFLOW",
nuclear@0 18 "GL_OUT_OF_MEMORY",
nuclear@0 19 "GL_INVALID_FRAMEBUFFER_OPERATION"
nuclear@0 20 };
nuclear@0 21
nuclear@0 22 if(!err) {
nuclear@0 23 return "GL_NO_ERROR";
nuclear@0 24 }
nuclear@0 25 if(err < GL_INVALID_ENUM || err > GL_OUT_OF_MEMORY) {
nuclear@0 26 return "<invalid gl error>";
nuclear@0 27 }
nuclear@0 28 return errnames[err - GL_INVALID_ENUM];
nuclear@0 29 }