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zink/spirv: implement emit_float_const helper

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Acked-by: Jordan Justen <jordan.l.justen@intel.com>
This commit is contained in:
Erik Faye-Lund
2019-07-19 15:30:54 +02:00
parent 89591c895c
commit 54c46db1c8
1 changed files with 12 additions and 6 deletions
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18
src/gallium/drivers/zink/nir_to_spirv/nir_to_spirv.c
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@@ -664,6 +664,13 @@ emit_builtin_binop(struct ntv_context *ctx, enum GLSLstd450 op, SpvId type,
op, args, ARRAY_SIZE(args));
}
static SpvId
emit_float_const(struct ntv_context *ctx, int bit_size, float value)
{
assert(bit_size == 32);
return spirv_builder_const_float(&ctx->builder, bit_size, value);
}
static SpvId
get_fvec_constant(struct ntv_context *ctx, int bit_size, int num_components,
const float values[])
@@ -673,8 +680,7 @@ get_fvec_constant(struct ntv_context *ctx, int bit_size, int num_components,
if (num_components > 1) {
SpvId components[num_components];
for (int i = 0; i < num_components; i++)
components[i] = spirv_builder_const_float(&ctx->builder, bit_size,
values[i]);
components[i] = emit_float_const(ctx, bit_size, values[i]);
SpvId type = get_fvec_type(ctx, bit_size, num_components);
return spirv_builder_const_composite(&ctx->builder, type, components,
@@ -682,7 +688,7 @@ get_fvec_constant(struct ntv_context *ctx, int bit_size, int num_components,
}
assert(num_components == 1);
return spirv_builder_const_float(&ctx->builder, bit_size, values[0]);
return emit_float_const(ctx, bit_size, values[0]);
}
static SpvId
@@ -913,8 +919,8 @@ emit_alu(struct ntv_context *ctx, nir_alu_instr *alu)
int num_components = nir_dest_num_components(alu->dest.dest);
SpvId bool_type = get_bvec_type(ctx, num_components);
SpvId zero = spirv_builder_const_float(&ctx->builder, 32, 0.0f);
SpvId one = spirv_builder_const_float(&ctx->builder, 32, 1.0f);
SpvId zero = emit_float_const(ctx, 32, 0.0f);
SpvId one = emit_float_const(ctx, 32, 1.0f);
if (num_components > 1) {
SpvId zero_comps[num_components], one_comps[num_components];
for (int i = 0; i < num_components; i++) {
@@ -1181,7 +1187,7 @@ emit_tex(struct ntv_context *ctx, nir_tex_instr *tex)
}
if (lod == 0 && ctx->stage != MESA_SHADER_FRAGMENT) {
lod = spirv_builder_const_float(&ctx->builder, 32, 0);
lod = emit_float_const(ctx, 32, 0.0f);
assert(lod != 0);
}