Cc: Eric Anholt <e...@anholt.net>
---
src/gallium/auxiliary/nir/tgsi_to_nir.c | 48 +++++++++++++++++----------------
1 file changed, 25 insertions(+), 23 deletions(-)
diff --git a/src/gallium/auxiliary/nir/tgsi_to_nir.c
b/src/gallium/auxiliary/nir/tgsi_to_nir.c
index 86c2ffa..642fbc2 100644
--- a/src/gallium/auxiliary/nir/tgsi_to_nir.c
+++ b/src/gallium/auxiliary/nir/tgsi_to_nir.c
@@ -464,7 +464,7 @@ ttn_emit_immediate(struct ttn_compile *c)
nir_builder_instr_insert(b, &load_const->instr);
}
-static nir_src
+static nir_ssa_def *
ttn_src_for_indirect(struct ttn_compile *c, struct tgsi_ind_register
*indirect);
/* generate either a constant or indirect deref chain for accessing an
@@ -483,7 +483,7 @@ ttn_array_deref(struct ttn_compile *c, nir_intrinsic_instr
*instr,
if (indirect) {
arr->deref_array_type = nir_deref_array_type_indirect;
- arr->indirect = ttn_src_for_indirect(c, indirect);
+ arr->indirect = nir_src_for_ssa(ttn_src_for_indirect(c, indirect));
} else {
arr->deref_array_type = nir_deref_array_type_direct;
}
@@ -582,19 +582,14 @@ ttn_src_for_file_and_index(struct ttn_compile *c,
unsigned file, unsigned index,
switch (file) {
case TGSI_FILE_INPUT:
- op = indirect ? nir_intrinsic_load_input_indirect :
- nir_intrinsic_load_input;
+ op = nir_intrinsic_load_input;
assert(!dim);
break;
case TGSI_FILE_CONSTANT:
if (dim) {
- op = indirect ? nir_intrinsic_load_ubo_indirect :
- nir_intrinsic_load_ubo;
- /* convert index from vec4 to byte: */
- index *= 16;
+ op = nir_intrinsic_load_ubo;
} else {
- op = indirect ? nir_intrinsic_load_uniform_indirect :
- nir_intrinsic_load_uniform;
+ op = nir_intrinsic_load_uniform;
}
break;
default:
@@ -605,7 +600,6 @@ ttn_src_for_file_and_index(struct ttn_compile *c, unsigned
file, unsigned index,
load = nir_intrinsic_instr_create(b->shader, op);
load->num_components = 4;
- load->const_index[0] = index;
if (dim) {
if (dimind) {
load->src[srcn] =
@@ -618,17 +612,25 @@ ttn_src_for_file_and_index(struct ttn_compile *c,
unsigned file, unsigned index,
}
srcn++;
}
- if (indirect) {
- load->src[srcn] = ttn_src_for_indirect(c, indirect);
- if (dim) {
- assert(load->src[srcn].is_ssa);
- /* we also need to covert vec4 to byte here too: */
- load->src[srcn] =
- nir_src_for_ssa(nir_ishl(b, load->src[srcn].ssa,
- nir_imm_int(b, 4)));
+
+ nir_ssa_def *offset;
+ if (dim) {
+ offset = nir_imm_int(b, index);
+ if (indirect) {
+ offset = nir_iadd(b, offset, ttn_src_for_indirect(c, indirect));
+ offset = nir_ishl(b, offset, nir_imm_int(b, 4));
+ }
+ load->src[srcn] = nir_src_for_ssa(offset);
+ } else {
+ load->const_index[0] = index;
+ if (indirect) {
+ offset = ttn_src_for_indirect(c, indirect);
+ } else {
+ offset = nir_imm_int(b, 0);
}
- srcn++;
}
+ load->src[srcn++] = nir_src_for_ssa(offset);
+
nir_ssa_dest_init(&load->instr, &load->dest, 4, NULL);
nir_builder_instr_insert(b, &load->instr);
@@ -644,7 +646,7 @@ ttn_src_for_file_and_index(struct ttn_compile *c, unsigned
file, unsigned index,
return src;
}
-static nir_src
+static nir_ssa_def *
ttn_src_for_indirect(struct ttn_compile *c, struct tgsi_ind_register *indirect)
{
nir_builder *b = &c->build;
@@ -656,7 +658,7 @@ ttn_src_for_indirect(struct ttn_compile *c, struct
tgsi_ind_register *indirect)
indirect->File,
indirect->Index,
NULL, NULL, NULL);
- return nir_src_for_ssa(nir_imov_alu(b, src, 1));
+ return nir_imov_alu(b, src, 1);
}
static nir_alu_dest
@@ -725,7 +727,7 @@ ttn_get_dest(struct ttn_compile *c, struct
tgsi_full_dst_register *tgsi_fdst)
if (tgsi_dst->Indirect && (tgsi_dst->File != TGSI_FILE_TEMPORARY)) {
nir_src *indirect = ralloc(c->build.shader, nir_src);
- *indirect = ttn_src_for_indirect(c, &tgsi_fdst->Indirect);
+ *indirect = nir_src_for_ssa(ttn_src_for_indirect(c,
&tgsi_fdst->Indirect));
dest.dest.reg.indirect = indirect;
}
--
2.5.0.400.gff86faf
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