Signed-off-by: Kenneth Graunke <[email protected]>
---
src/mesa/drivers/dri/i965/brw_vec4_gs.c | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/src/mesa/drivers/dri/i965/brw_vec4_gs.c
b/src/mesa/drivers/dri/i965/brw_vec4_gs.c
index b52d646..e802c1e 100644
--- a/src/mesa/drivers/dri/i965/brw_vec4_gs.c
+++ b/src/mesa/drivers/dri/i965/brw_vec4_gs.c
@@ -194,6 +194,12 @@ do_gs_prog(struct brw_context *brw,
c.prog_data.output_vertex_size_hwords * 32 * gp->program.VerticesOut;
output_size_bytes += 32 * c.prog_data.control_data_header_size_hwords;
+ /* Broadwell stores "Vertex Count" as a full 8 DWord (32 byte) URB output,
+ * which comes before the conttrol header.
+ */
+ if (brw->gen >= 8)
+ output_size_bytes += 32;
+
assert(output_size_bytes >= 1);
if (output_size_bytes > GEN7_MAX_GS_URB_ENTRY_SIZE_BYTES)
return false;
--
1.8.3.2
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