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microsoft/compiler: Support load_sample_id_no_per_sample

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It's like load_sample_id except it shouldn't force per-sample shading
when not already enabled. In that case, we simply return 0.

Reviewed-by: Erik Faye-Lund <erik.faye-lund@collabora.com>
Reviewed-by: Jesse Natalie <jenatali@microsoft.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/16926>
This commit is contained in:
Boris Brezillon 2022-04-22 14:57:37 +02:00 • committed by Marge Bot
parent 65309dab45
commit cd4bc4893b
1 changed files with 16 additions and 2 deletions
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18
src/microsoft/compiler/nir_to_dxil.c
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@ -4111,6 +4111,20 @@ emit_load_layer_id(struct ntd_context *ctx, nir_intrinsic_instr *intr)
return true;
}
static bool
emit_load_sample_id(struct ntd_context *ctx, nir_intrinsic_instr *intr)
{
assert(ctx->mod.info.has_per_sample_input ||
intr->intrinsic == nir_intrinsic_load_sample_id_no_per_sample);
if (ctx->mod.info.has_per_sample_input)
return emit_load_unary_external_function(ctx, intr, "dx.op.sampleIndex",
DXIL_INTR_SAMPLE_INDEX);
store_dest_value(ctx, &intr->dest, 0, dxil_module_get_int32_const(&ctx->mod, 0));
return true;
}
static bool
emit_intrinsic(struct ntd_context *ctx, nir_intrinsic_instr *intr)
{
@ -4146,8 +4160,8 @@ emit_intrinsic(struct ntd_context *ctx, nir_intrinsic_instr *intr)
return emit_load_unary_external_function(ctx, intr, "dx.op.primitiveID",
DXIL_INTR_PRIMITIVE_ID);
case nir_intrinsic_load_sample_id:
return emit_load_unary_external_function(ctx, intr, "dx.op.sampleIndex",
DXIL_INTR_SAMPLE_INDEX);
case nir_intrinsic_load_sample_id_no_per_sample:
return emit_load_sample_id(ctx, intr);
case nir_intrinsic_load_invocation_id:
switch (ctx->mod.shader_kind) {
case DXIL_HULL_SHADER: