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-rw-r--r--src/amd/vulkan/radv_shader.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/src/amd/vulkan/radv_shader.c b/src/amd/vulkan/radv_shader.c
index 1e6a9a950d8..cb819388fa4 100644
--- a/src/amd/vulkan/radv_shader.c
+++ b/src/amd/vulkan/radv_shader.c
@@ -809,10 +809,12 @@ static void radv_postprocess_config(const struct radv_physical_device *pdevice,
* If PrimID is disabled. InstanceID / StepRate1 is loaded instead.
* StepRate0 is set to 1. so that VGPR3 doesn't have to be loaded.
*/
- if (info->vs.export_prim_id) {
+ if (info->info.vs.needs_instance_id && pdevice->rad_info.chip_class >= GFX10) {
+ vgpr_comp_cnt = 3;
+ } else if (info->vs.export_prim_id) {
vgpr_comp_cnt = 2;
} else if (info->info.vs.needs_instance_id) {
- vgpr_comp_cnt = pdevice->rad_info.chip_class >= GFX10 ? 3 : 1;
+ vgpr_comp_cnt = 1;
} else {
vgpr_comp_cnt = 0;
}