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-rw-r--r--progs/osdemos/ostest1.c6
1 files changed, 5 insertions, 1 deletions
diff --git a/progs/osdemos/ostest1.c b/progs/osdemos/ostest1.c
index 000b8c4a78..5a00fdb246 100644
--- a/progs/osdemos/ostest1.c
+++ b/progs/osdemos/ostest1.c
@@ -399,7 +399,11 @@ test(GLenum type, GLint bits, const char *filename)
/* sanity checks */
glGetIntegerv(GL_RED_BITS, &cBits);
- assert(cBits == bits);
+ if (cBits != bits) {
+ fprintf(stderr, "Unable to create %d-bit/channel renderbuffer.\n", bits);
+ fprintf(stderr, "May need to recompile Mesa with CHAN_BITS=16 or 32.\n");
+ return 0;
+ }
glGetIntegerv(GL_GREEN_BITS, &cBits);
assert(cBits == bits);
glGetIntegerv(GL_BLUE_BITS, &cBits);