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radeonsi: reorder shader IO indices for better IO space usage for tess and GS

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The highest used index determines the stride for shader outputs in shaders
that use LDS or memory for outputs.

Acked-by: Pierre-Eric Pelloux-Prayer <pierre-eric.pelloux-prayer@amd.com>
Acked-by: Dave Airlie <airlied@redhat.com>
This commit is contained in:
Marek Olšák 2019-07-03 20:43:28 -04:00
parent 1c99a13f89
commit 4002913f8d
1 changed files with 22 additions and 18 deletions
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40
src/gallium/drivers/radeonsi/si_shader.c
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@ -188,35 +188,39 @@ unsigned si_shader_io_get_unique_index(unsigned semantic_name, unsigned index,
assert(!"invalid generic index");
return 0;
case TGSI_SEMANTIC_PSIZE:
return SI_MAX_IO_GENERIC + 1;
case TGSI_SEMANTIC_CLIPDIST:
assert(index <= 1);
return SI_MAX_IO_GENERIC + 2 + index;
case TGSI_SEMANTIC_FOG:
return SI_MAX_IO_GENERIC + 4;
case TGSI_SEMANTIC_LAYER:
return SI_MAX_IO_GENERIC + 5;
case TGSI_SEMANTIC_VIEWPORT_INDEX:
return SI_MAX_IO_GENERIC + 6;
case TGSI_SEMANTIC_PRIMID:
return SI_MAX_IO_GENERIC + 7;
return SI_MAX_IO_GENERIC + 1;
case TGSI_SEMANTIC_COLOR:
assert(index < 2);
return SI_MAX_IO_GENERIC + 8 + index;
return SI_MAX_IO_GENERIC + 2 + index;
case TGSI_SEMANTIC_BCOLOR:
assert(index < 2);
/* If it's a varying, COLOR and BCOLOR alias. */
if (is_varying)
return SI_MAX_IO_GENERIC + 8 + index;
return SI_MAX_IO_GENERIC + 2 + index;
else
return SI_MAX_IO_GENERIC + 10 + index;
return SI_MAX_IO_GENERIC + 4 + index;
case TGSI_SEMANTIC_TEXCOORD:
assert(index < 8);
return SI_MAX_IO_GENERIC + 12 + index;
return SI_MAX_IO_GENERIC + 6 + index;
/* These are rarely used between LS and HS or ES and GS. */
case TGSI_SEMANTIC_CLIPDIST:
assert(index < 2);
return SI_MAX_IO_GENERIC + 6 + 8 + index;
case TGSI_SEMANTIC_CLIPVERTEX:
STATIC_ASSERT(SI_MAX_IO_GENERIC + 12 + 8 <= 63);
return SI_MAX_IO_GENERIC + 12 + 8;
return SI_MAX_IO_GENERIC + 6 + 8 + 2;
case TGSI_SEMANTIC_PSIZE:
return SI_MAX_IO_GENERIC + 6 + 8 + 3;
/* These can't be written by LS, HS, and ES. */
case TGSI_SEMANTIC_LAYER:
return SI_MAX_IO_GENERIC + 6 + 8 + 4;
case TGSI_SEMANTIC_VIEWPORT_INDEX:
return SI_MAX_IO_GENERIC + 6 + 8 + 5;
case TGSI_SEMANTIC_PRIMID:
STATIC_ASSERT(SI_MAX_IO_GENERIC + 6 + 8 + 6 <= 63);
return SI_MAX_IO_GENERIC + 6 + 8 + 6;
default:
fprintf(stderr, "invalid semantic name = %u\n", semantic_name);
assert(!"invalid semantic name");