radv: Use correct gs_out with tessellation.

We should use the primitives output by the TES in that case.

There is always a separate TES if there is no GS.

Reviewed-by: Dave Airlie <airlied@redhat.com>

diff --git a/src/amd/vulkan/radv_pipeline.c b/src/amd/vulkan/radv_pipeline.c
index 351ef18..1e7c259 100644 (file)
--- a/src/amd/vulkan/radv_pipeline.c
+++ b/src/amd/vulkan/radv_pipeline.c
@@ -4156,6 +4156,9 @@ radv_pipeline_init(struct radv_pipeline *pipeline,
        if (radv_pipeline_has_gs(pipeline)) {
                gs_out = si_conv_gl_prim_to_gs_out(pipeline->shaders[MESA_SHADER_GEOMETRY]->info.gs.output_prim);
                pipeline->graphics.can_use_guardband = gs_out == V_028A6C_OUTPRIM_TYPE_TRISTRIP;
+       } else if (radv_pipeline_has_tess(pipeline)) {
+               gs_out = si_conv_gl_prim_to_gs_out(pipeline->shaders[MESA_SHADER_TESS_EVAL]->info.tes.primitive_mode);
+               pipeline->graphics.can_use_guardband = gs_out == V_028A6C_OUTPRIM_TYPE_TRISTRIP;
        } else {
                gs_out = si_conv_prim_to_gs_out(pCreateInfo->pInputAssemblyState->topology);
        }