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radeonsi/gfx10: simplify a streamout loop in gfx10_emit_ngg_epilogue

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Acked-by: Pierre-Eric Pelloux-Prayer <pierre-eric.pelloux-prayer@amd.com>
Reviewed-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>
This commit is contained in:
Marek Olšák 2019-07-05 23:32:36 -04:00
parent 2683347ba0
commit a6722285c2
1 changed files with 6 additions and 7 deletions
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13
src/gallium/drivers/radeonsi/gfx10_shader_ngg.c
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@ -538,19 +538,18 @@ void gfx10_emit_ngg_epilogue(struct ac_shader_abi *abi,
outputs[i].semantic_name = info->output_semantic_name[i];
outputs[i].semantic_index = info->output_semantic_index[i];
/* This is used only by streamout. */
for (unsigned j = 0; j < 4; j++) {
outputs[i].values[j] =
LLVMBuildLoad(builder,
addrs[4 * i + j],
"");
outputs[i].vertex_stream[j] =
(info->output_streams[i] >> (2 * j)) & 3;
if (vertex_ptr) {
/* TODO: we may store more outputs than streamout needs,
* but streamout performance isn't that important.
*/
if (sel->so.num_outputs) {
tmp = ac_build_gep0(&ctx->ac, vertex_ptr,
LLVMConstInt(ctx->i32, 4 * i + j, false));
tmp2 = ac_to_integer(&ctx->ac, outputs[i].values[j]);
tmp2 = LLVMBuildLoad(builder, addrs[4 * i + j], "");
tmp2 = ac_to_integer(&ctx->ac, tmp2);
LLVMBuildStore(builder, tmp2, tmp);
}
}