Jordan added this in commit 741782b5948bb3d01d699f062a37513c2e73b076 for
Gen7 platforms. Embarassingly, this was missed for well over a year.
Fixes Piglit's spec/arb_gpu_shader5/invocation-id-{basic,in-separate-gs}
with MESA_EXTENSION_OVERRIDE=GL_ARB_gpu_shader5 set.
Signed-off-by: Kenneth Graunke <[email protected]>
Cc: [email protected]
---
src/mesa/drivers/dri/i965/gen8_gs_state.c | 2 ++
1 file changed, 2 insertions(+)
Mini-series also available in the 'gen8sol' branch of ~kwg/mesa.
diff --git a/src/mesa/drivers/dri/i965/gen8_gs_state.c
b/src/mesa/drivers/dri/i965/gen8_gs_state.c
index 95cc123..46b9713 100644
--- a/src/mesa/drivers/dri/i965/gen8_gs_state.c
+++ b/src/mesa/drivers/dri/i965/gen8_gs_state.c
@@ -82,6 +82,8 @@ gen8_upload_gs_state(struct brw_context *brw)
uint32_t dw7 = (brw->gs.prog_data->control_data_header_size_hwords <<
GEN7_GS_CONTROL_DATA_HEADER_SIZE_SHIFT) |
brw->gs.prog_data->dispatch_mode |
+ ((brw->gs.prog_data->invocations - 1) <<
+ GEN7_GS_INSTANCE_CONTROL_SHIFT) |
GEN6_GS_STATISTICS_ENABLE |
(brw->gs.prog_data->include_primitive_id ?
GEN7_GS_INCLUDE_PRIMITIVE_ID : 0) |
--
2.3.4
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