radv: handle primitive id input into fragment shader with no geom shader

[mesa.git] / src / amd / vulkan / radv_cmd_buffer.c

diff --git a/src/amd/vulkan/radv_cmd_buffer.c b/src/amd/vulkan/radv_cmd_buffer.c
index 9f36d982234a6413ae3bef26c84d3e0dad73a358..105384d315d7e978c2be5920842f451687af0cb0 100644 (file)
--- a/src/amd/vulkan/radv_cmd_buffer.c
+++ b/src/amd/vulkan/radv_cmd_buffer.c
@@ -669,7 +669,7 @@ radv_emit_vertex_shader(struct radv_cmd_buffer *cmd_buffer,
        else
                radv_emit_hw_vs(cmd_buffer, pipeline, vs, &vs->info.vs.outinfo);
 
-       radeon_set_context_reg(cmd_buffer->cs, R_028A84_VGT_PRIMITIVEID_EN, 0);
+       radeon_set_context_reg(cmd_buffer->cs, R_028A84_VGT_PRIMITIVEID_EN, pipeline->graphics.vgt_primitiveid_en);
 }