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zink/spirv: support loading bool constants

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Seems I missed this before; let's add support for this.
This commit is contained in:
Erik Faye-Lund
2019-10-30 15:37:42 +01:00
parent 6630baecf1
commit 4e0ca477d8
1 changed files with 21 additions and 5 deletions
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src/gallium/drivers/zink/nir_to_spirv/nir_to_spirv.c
+21 -5
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@@ -1058,18 +1058,34 @@ emit_load_const(struct ntv_context *ctx, nir_load_const_instr *load_const)
SpvId constant;
if (num_components > 1) {
SpvId components[num_components];
for (int i = 0; i < num_components; i++)
components[i] = emit_uint_const(ctx, bit_size,
load_const->value[i].u32);
SpvId type;
if (bit_size == 1) {
for (int i = 0; i < num_components; i++)
components[i] = spirv_builder_const_bool(&ctx->builder,
load_const->value[i].b);
SpvId type = get_uvec_type(ctx, bit_size, num_components);
type = get_bvec_type(ctx, num_components);
} else {
for (int i = 0; i < num_components; i++)
components[i] = emit_uint_const(ctx, bit_size,
load_const->value[i].u32);
type = get_uvec_type(ctx, bit_size, num_components);
}
constant = spirv_builder_const_composite(&ctx->builder, type,
components, num_components);
} else {
assert(num_components == 1);
constant = emit_uint_const(ctx, bit_size, load_const->value[0].u32);
if (bit_size == 1)
constant = spirv_builder_const_bool(&ctx->builder,
load_const->value[0].b);
else
constant = emit_uint_const(ctx, bit_size, load_const->value[0].u32);
}
if (bit_size == 1)
constant = bvec_to_uvec(ctx, constant, num_components);
store_ssa_def_uint(ctx, &load_const->def, constant);
}