radv: always compute the number of components from the output mask

That removes two special cases for clip/cull distances.

Signed-off-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>
Reviewed-by: Bas Nieuwenhuizen <bas@basnieuwenhuizen.nl>

diff --git a/src/amd/vulkan/radv_nir_to_llvm.c b/src/amd/vulkan/radv_nir_to_llvm.c
index 1164195..e3f63ce 100644 (file)
--- a/src/amd/vulkan/radv_nir_to_llvm.c
+++ b/src/amd/vulkan/radv_nir_to_llvm.c
@@ -1725,16 +1725,11 @@ visit_emit_vertex(struct ac_shader_abi *abi, unsigned stream, LLVMValueRef *addr
                unsigned output_usage_mask =
                        ctx->shader_info->info.gs.output_usage_mask[i];
                LLVMValueRef *out_ptr = &addrs[i * 4];
-               int length = 4;
+               int length = util_last_bit(output_usage_mask);
 
                if (!(ctx->output_mask & (1ull << i)))
                        continue;
 
-               if (i == VARYING_SLOT_CLIP_DIST0) {
-                       /* pack clip and cull into a single set of slots */
-                       length = util_last_bit(output_usage_mask);
-               }
-
                for (unsigned j = 0; j < length; j++) {
                        if (!(output_usage_mask & (1 << j)))
                                continue;
@@ -3591,16 +3586,11 @@ ac_gs_copy_shader_emit(struct radv_shader_context *ctx)
        for (unsigned i = 0; i < AC_LLVM_MAX_OUTPUTS; ++i) {
                unsigned output_usage_mask =
                        ctx->shader_info->info.gs.output_usage_mask[i];
-               int length = 4;
+               int length = util_last_bit(output_usage_mask);
 
                if (!(ctx->output_mask & (1ull << i)))
                        continue;
 
-               if (i == VARYING_SLOT_CLIP_DIST0) {
-                       /* unpack clip and cull from a single set of slots */
-                       length = util_last_bit(output_usage_mask);
-               }
-
                for (unsigned j = 0; j < length; j++) {
                        LLVMValueRef value, soffset;