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-rw-r--r--src/mesa/main/multisample.c10
1 files changed, 10 insertions, 0 deletions
diff --git a/src/mesa/main/multisample.c b/src/mesa/main/multisample.c
index 1f3fa0c1562..b696de9f239 100644
--- a/src/mesa/main/multisample.c
+++ b/src/mesa/main/multisample.c
@@ -150,6 +150,16 @@ GLenum
_mesa_check_sample_count(struct gl_context *ctx, GLenum target,
GLenum internalFormat, GLsizei samples)
{
+ /* Section 4.4 (Framebuffer objects) of the OpenGL 3.0 specification says:
+ *
+ * "If internalformat is a signed or unsigned integer format and samples
+ * is greater than zero, then the error INVALID_OPERATION is generated."
+ */
+ if (_mesa_is_gles3(ctx) && _mesa_is_enum_format_integer(internalFormat)) {
+ return GL_INVALID_OPERATION;
+ }
+
+
/* 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.