radv/ac: add clip support for tess eval shader.

As this may be the last shader to emit clip distances.

Reviewed-by: Bas Nieuwenhuizen <bas@basnieuwenhuizen.nl>
Signed-off-by: Dave Airlie <airlied@redhat.com>
This commit is contained in:
Dave Airlie 2017-03-30 08:26:28 +01:00
parent 326b9bc6dc
commit 5ab1289b48

View file

@ -4320,6 +4320,7 @@ handle_shader_output_decl(struct nir_to_llvm_context *ctx,
mask_attribs = ((1ull << attrib_count) - 1) << idx;
if (ctx->stage == MESA_SHADER_VERTEX ||
ctx->stage == MESA_SHADER_TESS_EVAL ||
ctx->stage == MESA_SHADER_GEOMETRY) {
if (idx == VARYING_SLOT_CLIP_DIST0) {
int length = ctx->num_output_clips + ctx->num_output_culls;
@ -4327,6 +4328,10 @@ handle_shader_output_decl(struct nir_to_llvm_context *ctx,
ctx->shader_info->vs.outinfo.clip_dist_mask = (1 << ctx->num_output_clips) - 1;
ctx->shader_info->vs.outinfo.cull_dist_mask = (1 << ctx->num_output_culls) - 1;
}
if (ctx->stage == MESA_SHADER_TESS_EVAL) {
ctx->shader_info->tes.outinfo.clip_dist_mask = (1 << ctx->num_output_clips) - 1;
ctx->shader_info->tes.outinfo.cull_dist_mask = (1 << ctx->num_output_culls) - 1;
}
if (length > 4)
attrib_count = 2;