diff options
| author | Brian Paul <[email protected]> | 2009-10-20 16:22:03 -0600 |
|---|---|---|
| committer | Brian Paul <[email protected]> | 2009-10-20 16:22:03 -0600 |
| commit | 5283a3fb25b2667501eb782fb461c981200a65ef (patch) | |
| tree | a341e0b2772bdf1bf6cf07f11b09c119b3cfee6e /progs/trivial/tri-query.c | |
| parent | 4b2cf92ad9caa384869371534c1f2154625a755a (diff) | |
progs/trivial: check if GL_ARB_occlusion_query is supported
Diffstat (limited to 'progs/trivial/tri-query.c')
| -rw-r--r-- | progs/trivial/tri-query.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/progs/trivial/tri-query.c b/progs/trivial/tri-query.c index 85e39df2dfa..94956a86f33 100644 --- a/progs/trivial/tri-query.c +++ b/progs/trivial/tri-query.c @@ -39,6 +39,11 @@ GLenum doubleBuffer; static void Init(void) { + if (!glutExtensionSupported("GL_ARB_occlusion_query")) { + fprintf(stderr, "Sorry, this program requires GL_ARB_occlusion_query\n"); + exit(1); + } + fprintf(stderr, "GL_RENDERER = %s\n", (char *) glGetString(GL_RENDERER)); fprintf(stderr, "GL_VERSION = %s\n", (char *) glGetString(GL_VERSION)); fprintf(stderr, "GL_VENDOR = %s\n", (char *) glGetString(GL_VENDOR)); |