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zink: use nir_lower_ubo_vec4 to simplify things a bit

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Reviewed-By: Mike Blumenkrantz <michael.blumenkrantz@gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/7079>
This commit is contained in:
Erik Faye-Lund 2020-10-09 13:18:37 +02:00 • committed by Marge Bot
parent b9ca4923d6
commit 47bdda0f3f
2 changed files with 5 additions and 5 deletions
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9
src/gallium/drivers/zink/nir_to_spirv/nir_to_spirv.c
View file

@ -1556,7 +1556,7 @@ emit_load_const(struct ntv_context *ctx, nir_load_const_instr *load_const)
}
static void
emit_load_ubo(struct ntv_context *ctx, nir_intrinsic_instr *intr)
emit_load_ubo_vec4(struct ntv_context *ctx, nir_intrinsic_instr *intr)
{
ASSERTED nir_const_value *const_block_index = nir_src_as_const_value(intr->src[0]);
assert(const_block_index); // no dynamic indexing for now
@ -1569,8 +1569,7 @@ emit_load_ubo(struct ntv_context *ctx, nir_intrinsic_instr *intr)
SpvStorageClassUniform,
uvec4_type);
assert(const_offset->u32 % 16 == 0);
unsigned idx = const_offset->u32 / 16;
unsigned idx = const_offset->u32;
SpvId member = emit_uint_const(ctx, 32, 0);
SpvId offset = emit_uint_const(ctx, 32, idx);
SpvId offsets[] = { member, offset };
@ -1715,8 +1714,8 @@ static void
emit_intrinsic(struct ntv_context *ctx, nir_intrinsic_instr *intr)
{
switch (intr->intrinsic) {
case nir_intrinsic_load_ubo:
emit_load_ubo(ctx, intr);
case nir_intrinsic_load_ubo_vec4:
emit_load_ubo_vec4(ctx, intr);
break;
case nir_intrinsic_discard:

1
src/gallium/drivers/zink/zink_compiler.c
View file

@ -264,6 +264,7 @@ zink_shader_create(struct zink_screen *screen, struct nir_shader *nir,
*/
if (nir->num_uniforms)
NIR_PASS_V(nir, nir_lower_uniforms_to_ubo, 16);
NIR_PASS_V(nir, nir_lower_ubo_vec4);
NIR_PASS_V(nir, nir_lower_clip_halfz);
if (nir->info.stage == MESA_SHADER_VERTEX)
have_psiz = check_psiz(nir);