The ARB_compute_shader spec says:
"If the work group count in any dimension is zero, no work groups
are dispatched."
Signed-off-by: Jordan Justen <jordan.l.jus...@intel.com>
---
src/mesa/main/compute.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/src/mesa/main/compute.c b/src/mesa/main/compute.c
index 53e7a50..b71430f 100644
--- a/src/mesa/main/compute.c
+++ b/src/mesa/main/compute.c
@@ -41,6 +41,9 @@ _mesa_DispatchCompute(GLuint num_groups_x,
if (!_mesa_validate_DispatchCompute(ctx, num_groups))
return;
+ if (num_groups_x == 0u || num_groups_y == 0u || num_groups_z == 0u)
+ return;
+
ctx->Driver.DispatchCompute(ctx, num_groups);
}
--
2.7.0
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