AlexIndustrial/mesa
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

radv/gfx10: make use the output usage mask when exporting NGG GS params

Browse Source 
It shouldn't matter much because output varyings should have been
compacted during NIR shader linking but it mirrors what the driver
does when emitting NGG GS vertex parameters.

Signed-off-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>
Reviewed-by: Bas Nieuwenhuizen <bas@basnieuwenhuizen.nl>
This commit is contained in:
Samuel Pitoiset
2019-09-06 10:34:35 +02:00
parent b1a872f0c0
commit c6be5cefba
1 changed files with 8 additions and 3 deletions
Download Patch File Download Diff File Expand all files Collapse all files

11
src/amd/vulkan/radv_nir_to_llvm.c
View File

@@ -3489,16 +3489,21 @@ static void gfx10_ngg_gs_emit_epilogue_2(struct radv_shader_context *ctx)
unsigned out_idx = 0;
gep_idx[1] = ctx->ac.i32_0;
for (unsigned i = 0; i < AC_LLVM_MAX_OUTPUTS; ++i) {
unsigned output_usage_mask =
ctx->shader_info->gs.output_usage_mask[i];
int length = util_last_bit(output_usage_mask);
if (!(ctx->output_mask & (1ull << i)))
continue;
outputs[noutput].slot_name = i;
outputs[noutput].slot_index = i == VARYING_SLOT_CLIP_DIST1;
outputs[noutput].usage_mask = ctx->shader_info->gs.output_usage_mask[i];
int length = util_last_bit(outputs[noutput].usage_mask);
outputs[noutput].usage_mask = output_usage_mask;
for (unsigned j = 0; j < length; j++, out_idx++) {
if (!(output_usage_mask & (1 << j)))
continue;
gep_idx[2] = LLVMConstInt(ctx->ac.i32, out_idx, false);
tmp = LLVMBuildGEP(builder, vertexptr, gep_idx, 3, "");
tmp = LLVMBuildLoad(builder, tmp, "");