radv/gfx10: use the component mask when storing/loading NGG stream outputs

It's unnecessary to store/load more components that needed.

Signed-off-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>
Reviewed-by: Bas Nieuwenhuizen <bas@basnieuwenhuizen.nl>
This commit is contained in:
Samuel Pitoiset
2019-09-17 10:51:46 +02:00
parent 60f8224171
commit 3be21b5ab1

View File

@@ -3205,6 +3205,9 @@ static void build_streamout_vertex(struct radv_shader_context *ctx,
struct radv_shader_output_values out = {};
for (unsigned comp = 0; comp < 4; comp++) {
if (!(output->component_mask & (1 << comp)))
continue;
tmp = ac_build_gep0(&ctx->ac, vertexptr,
LLVMConstInt(ctx->ac.i32, 4 * i + comp, false));
out.values[comp] = LLVMBuildLoad(builder, tmp, "");
@@ -3595,6 +3598,9 @@ handle_ngg_outputs_post_1(struct radv_shader_context *ctx)
unsigned loc = output->location;
for (unsigned comp = 0; comp < 4; comp++) {
if (!(output->component_mask & (1 << comp)))
continue;
tmp = ac_build_gep0(&ctx->ac, vertex_ptr,
LLVMConstInt(ctx->ac.i32, 4 * i + comp, false));
tmp2 = LLVMBuildLoad(builder,