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-rw-r--r--src/amd/vulkan/radv_shader.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/src/amd/vulkan/radv_shader.c b/src/amd/vulkan/radv_shader.c
index 971d3abac91..5d777a05e58 100644
--- a/src/amd/vulkan/radv_shader.c
+++ b/src/amd/vulkan/radv_shader.c
@@ -424,8 +424,10 @@ radv_fill_shader_variant(struct radv_device *device,
gs_vgpr_comp_cnt = 3; /* VGPR3 contains InvocationID. */
else if (info->uses_prim_id)
gs_vgpr_comp_cnt = 2; /* VGPR2 contains PrimitiveID. */
+ else if (variant->info.gs.vertices_in >= 3)
+ gs_vgpr_comp_cnt = 1; /* VGPR1 contains offsets 2, 3 */
else
- gs_vgpr_comp_cnt = 1; /* TODO: use input_prim */
+ gs_vgpr_comp_cnt = 0; /* VGPR0 contains offsets 0, 1 */
/* TODO: Figure out how many we actually need. */
variant->rsrc1 |= S_00B228_GS_VGPR_COMP_CNT(gs_vgpr_comp_cnt);