fdo-mirrors/mesa
1
0
Fork 0
mirror of https://gitlab.freedesktop.org/mesa/mesa.git synced 2026-04-30 21:21:39 +02:00
Code Issues Projects Releases Packages Wiki Activity Actions 5

aco: export alpha to MRTZ.a and one to MRT0.a for alpha-to-one on GFX11

Browse source 
For FS epilogs.

Signed-off-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/32523>
This commit is contained in:
Samuel Pitoiset 2024-12-05 15:37:39 +01:00 • committed by Marge Bot
parent 1037830098
commit 70047e6bd6
1 changed files with 8 additions and 3 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

11
src/amd/compiler/aco_instruction_selection.cpp
View file

@ -13513,6 +13513,9 @@ select_ps_epilog(Program* program, void* pinfo, ac_shader_config* config,
Builder bld(ctx.program, ctx.block);
bool has_mrtz_alpha = einfo->alpha_to_coverage_via_mrtz && einfo->colors[0].used;
Temp mrtz_alpha;
Temp colors[MAX_DRAW_BUFFERS][4];
for (unsigned i = 0; i < MAX_DRAW_BUFFERS; i++) {
if (!einfo->colors[i].used)
@ -13526,22 +13529,24 @@ select_ps_epilog(Program* program, void* pinfo, ac_shader_config* config,
colors[i][c] = emit_extract_vector(&ctx, color, c, col_types == ACO_TYPE_ANY32 ? v1 : v2b);
}
/* Store MRTZ.a before applying alpha-to-one if enabled. */
if (has_mrtz_alpha && i == 0)
mrtz_alpha = colors[0][3];
emit_clamp_alpha_test(&ctx, einfo, colors[i], i);
}
bool has_mrtz_depth = einfo->depth.used;
bool has_mrtz_stencil = einfo->stencil.used;
bool has_mrtz_samplemask = einfo->samplemask.used;
bool has_mrtz_alpha = einfo->alpha_to_coverage_via_mrtz && einfo->colors[0].used;
bool has_mrtz_export =
has_mrtz_depth || has_mrtz_stencil || has_mrtz_samplemask || has_mrtz_alpha;
if (has_mrtz_export) {
Temp depth = has_mrtz_depth ? get_arg(&ctx, einfo->depth) : Temp();
Temp stencil = has_mrtz_stencil ? get_arg(&ctx, einfo->stencil) : Temp();
Temp samplemask = has_mrtz_samplemask ? get_arg(&ctx, einfo->samplemask) : Temp();
Temp alpha = has_mrtz_alpha ? colors[0][3] : Temp();
export_fs_mrtz(&ctx, depth, stencil, samplemask, alpha);
export_fs_mrtz(&ctx, depth, stencil, samplemask, mrtz_alpha);
}
/* Export all color render targets */