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-rw-r--r--progs/vp/vp-tris.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/progs/vp/vp-tris.c b/progs/vp/vp-tris.c
index 97995accdd..1356242d97 100644
--- a/progs/vp/vp-tris.c
+++ b/progs/vp/vp-tris.c
@@ -119,6 +119,12 @@ static void Init( void )
glBindProgramARB(GL_VERTEX_PROGRAM_ARB, prognum);
glProgramStringARB(GL_VERTEX_PROGRAM_ARB, GL_PROGRAM_FORMAT_ASCII_ARB,
sz, (const GLubyte *) buf);
+ if (glGetError()) {
+ printf("Program failed to compile:\n%s\n", buf);
+ printf("Error: %s\n",
+ (char *) glGetString(GL_PROGRAM_ERROR_STRING_ARB));
+ exit(1);
+ }
assert(glIsProgramARB(prognum));
}