i965: Fix instanced geometry shaders on Gen8+.

[mesa.git] / src / mesa / drivers / dri / i965 / gen8_gs_state.c

diff --git a/src/mesa/drivers/dri/i965/gen8_gs_state.c b/src/mesa/drivers/dri/i965/gen8_gs_state.c
index 95cc1234fe5d21a433af3264cf514a0bf7c51e62..46b97131e209533845fe4488d5b76a8e47649d7d 100644 (file)
--- 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) |