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authorJordan Justen <[email protected]>2016-02-16 08:21:22 -0800
committerJordan Justen <[email protected]>2016-02-16 09:25:20 -0800
commitf28d80fabfca97b24b3e716e8fb1836abdc32643 (patch)
tree1d0b6cd9979a6e60dcf7ffb9519a421201135406
parent8514c75a26ec2a83784ea9063ed5e6587184832c (diff)
mesa: Don't call driver when there is no compute work
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 <[email protected]> Reviewed-by: Ilia Mirkin <[email protected]>
-rw-r--r--src/mesa/main/compute.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/src/mesa/main/compute.c b/src/mesa/main/compute.c
index 53e7a500f61..b71430f2b12 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);
}