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-rw-r--r--src/gallium/drivers/radeonsi/si_state_shaders.c10
1 files changed, 6 insertions, 4 deletions
diff --git a/src/gallium/drivers/radeonsi/si_state_shaders.c b/src/gallium/drivers/radeonsi/si_state_shaders.c
index 5b463365c96..0a2ff2a2f03 100644
--- a/src/gallium/drivers/radeonsi/si_state_shaders.c
+++ b/src/gallium/drivers/radeonsi/si_state_shaders.c
@@ -159,12 +159,14 @@ static void si_shader_vs(struct si_shader *shader)
va = shader->bo->gpu_address;
si_pm4_add_bo(pm4, shader->bo, RADEON_USAGE_READ, RADEON_PRIO_SHADER_DATA);
- vgpr_comp_cnt = shader->uses_instanceid ? 3 : 0;
-
- if (shader->is_gs_copy_shader)
+ if (shader->is_gs_copy_shader) {
+ vgpr_comp_cnt = 0; /* only VertexID is needed for GS-COPY. */
num_user_sgprs = SI_GSCOPY_NUM_USER_SGPR;
- else
+ } else if (shader->selector->type == PIPE_SHADER_VERTEX) {
+ vgpr_comp_cnt = shader->uses_instanceid ? 3 : 0;
num_user_sgprs = SI_VS_NUM_USER_SGPR;
+ } else
+ assert(0);
num_sgprs = shader->num_sgprs;
if (num_user_sgprs > num_sgprs) {