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zink: use helper function to handle uvec/bvec types

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bit_size of 1 means we use a bool type here, 32 means uint, so we can just
handle that automatically for all relevant cases

ref shaders@glsl-vs-continue-in-switch-in-do-while

Reviewed-by: Erik Faye-Lund <erik.faye-lund@collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/5911>
This commit is contained in:
Mike Blumenkrantz
2020-06-10 11:00:16 -04:00
committed by Marge Bot
parent 7015d2c249
commit 6587f41e11
1 changed files with 14 additions and 5 deletions
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19
src/gallium/drivers/zink/nir_to_spirv/nir_to_spirv.c
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@@ -632,6 +632,17 @@ emit_uniform(struct ntv_context *ctx, struct nir_variable *var)
}
}
static SpvId
get_vec_from_bit_size(struct ntv_context *ctx, uint32_t bit_size, uint32_t num_components)
{
if (bit_size == 1)
return get_bvec_type(ctx, num_components);
if (bit_size == 32)
return get_uvec_type(ctx, bit_size, num_components);
unreachable("unhandled register bit size");
return 0;
}
static SpvId
get_src_ssa(struct ntv_context *ctx, const nir_ssa_def *ssa)
{
@@ -656,7 +667,7 @@ get_src_reg(struct ntv_context *ctx, const nir_reg_src *reg)
assert(!reg->base_offset);
SpvId var = get_var_from_reg(ctx, reg->reg);
SpvId type = get_uvec_type(ctx, reg->reg->bit_size, reg->reg->num_components);
SpvId type = get_vec_from_bit_size(ctx, reg->reg->bit_size, reg->reg->num_components);
return spirv_builder_emit_load(&ctx->builder, type, var);
}
@@ -1503,19 +1514,17 @@ emit_load_const(struct ntv_context *ctx, nir_load_const_instr *load_const)
SpvId constant;
if (num_components > 1) {
SpvId components[num_components];
SpvId type;
SpvId type = get_vec_from_bit_size(ctx, bit_size, num_components);
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);
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);
@@ -2302,7 +2311,7 @@ nir_to_spirv(struct nir_shader *s, const struct pipe_stream_output_info *so_info
/* emit a block only for the variable declarations */
start_block(&ctx, spirv_builder_new_id(&ctx.builder));
foreach_list_typed(nir_register, reg, node, &entry->registers) {
SpvId type = get_uvec_type(&ctx, reg->bit_size, reg->num_components);
SpvId type = get_vec_from_bit_size(&ctx, reg->bit_size, reg->num_components);
SpvId pointer_type = spirv_builder_type_pointer(&ctx.builder,
SpvStorageClassFunction,
type);