Maybe this should be the job of the dispatch layer.
Signed-off-by: Martin Peres <martin.pe...@linux.intel.com>
---
src/mesa/main/multisample.c | 9 +++++++++
1 file changed, 9 insertions(+)
diff --git a/src/mesa/main/multisample.c b/src/mesa/main/multisample.c
index 1f3fa0c..a0a659b 100644
--- a/src/mesa/main/multisample.c
+++ b/src/mesa/main/multisample.c
@@ -150,6 +150,15 @@ GLenum
_mesa_check_sample_count(struct gl_context *ctx, GLenum target,
GLenum internalFormat, GLsizei samples)
{
+ /* From the OpenGL core 3.0 spec, section 2.5:
+ *
+ * "If a negative number is provided where an argument of type sizei or
+ * sizeiptr is specified, the error INVALID VALUE is generated."
+ */
+ if (samples < 0) {
+ return GL_INVALID_VALUE;
+ }
+
/* If ARB_internalformat_query is supported, then treat its highest
* returned sample count as the absolute maximum for this format; it is
* allowed to exceed MAX_SAMPLES.
--
2.3.0
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