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tgsi_to_nir: add basic compute shader support

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Reviewed-By: Timur Kristóf <timur.kristof@gmail.com>
Reviewed-by: Eric Anholt <eric@anholt.net>
Reviewed-by: Connor Abbott <cwabbott0@gmail.com>
This commit is contained in:
Marek Olšák 2019-07-31 21:30:22 -04:00
parent 5a0adfd9f0
commit 155789c8e7
1 changed files with 23 additions and 0 deletions
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23
src/gallium/auxiliary/nir/tgsi_to_nir.c
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@ -620,6 +620,14 @@ ttn_src_for_file_and_index(struct ttn_compile *c, unsigned file, unsigned index,
op = nir_intrinsic_load_point_coord;
load = nir_load_point_coord(b);
break;
case TGSI_SEMANTIC_THREAD_ID:
op = nir_intrinsic_load_local_invocation_id;
load = nir_load_local_invocation_id(b);
break;
case TGSI_SEMANTIC_BLOCK_ID:
op = nir_intrinsic_load_work_group_id;
load = nir_load_work_group_id(b);
break;
default:
unreachable("bad system value");
}
@ -2438,6 +2446,15 @@ ttn_compile_init(const void *tgsi_tokens,
case TGSI_PROPERTY_VS_BLIT_SGPRS_AMD:
s->info.vs.blit_sgprs_amd = value;
break;
case TGSI_PROPERTY_CS_FIXED_BLOCK_WIDTH:
s->info.cs.local_size[0] = value;
break;
case TGSI_PROPERTY_CS_FIXED_BLOCK_HEIGHT:
s->info.cs.local_size[1] = value;
break;
case TGSI_PROPERTY_CS_FIXED_BLOCK_DEPTH:
s->info.cs.local_size[2] = value;
break;
default:
if (value) {
fprintf(stderr, "tgsi_to_nir: unhandled TGSI property %u = %u\n",
@ -2447,6 +2464,12 @@ ttn_compile_init(const void *tgsi_tokens,
}
}
if (s->info.stage == MESA_SHADER_COMPUTE &&
(!s->info.cs.local_size[0] ||
!s->info.cs.local_size[1] ||
!s->info.cs.local_size[2]))
s->info.cs.local_size_variable = true;
c->inputs = rzalloc_array(c, struct nir_variable *, s->num_inputs);
c->outputs = rzalloc_array(c, struct nir_variable *, s->num_outputs);