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pan/bi: Implement load_kernel_input

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Reviewed-by: Alyssa Rosenzweig <alyssa.rosenzweig@collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/8358>
This commit is contained in:
Icecream95 2020-12-22 23:26:21 +13:00 • committed by Marge Bot
parent f33694552d
commit c71d4d931e
1 changed files with 13 additions and 7 deletions
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20
src/panfrost/bifrost/bifrost_compile.c
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@ -488,18 +488,23 @@ bi_emit_load_ubo(bi_builder *b, nir_intrinsic_instr *instr)
*/
assert(b->shader->nir->info.first_ubo_is_default_ubo);
bool offset_is_const = nir_src_is_const(instr->src[1]);
bi_index dyn_offset = bi_src_index(&instr->src[1]);
nir_src *offset = nir_get_io_offset_src(instr);
bool offset_is_const = nir_src_is_const(*offset);
bi_index dyn_offset = bi_src_index(offset);
uint32_t const_offset = 0;
bool kernel_input = (instr->intrinsic == nir_intrinsic_load_kernel_input);
/* We may need to offset UBO loads by however many sysvals we have */
unsigned sysval_offset = 16 * b->shader->sysvals.sysval_count;
if (nir_src_is_const(instr->src[1]))
const_offset = nir_src_as_uint(instr->src[1]);
if (nir_src_is_const(*offset))
const_offset = nir_src_as_uint(*offset);
if (nir_src_is_const(instr->src[0]) &&
nir_src_as_uint(instr->src[0]) == 0 &&
if ((kernel_input ||
(nir_src_is_const(instr->src[0]) &&
nir_src_as_uint(instr->src[0]) == 0)) &&
b->shader->sysvals.sysval_count) {
if (offset_is_const) {
const_offset += sysval_offset;
@ -512,7 +517,7 @@ bi_emit_load_ubo(bi_builder *b, nir_intrinsic_instr *instr)
bi_load_to(b, instr->num_components * 32,
bi_dest_index(&instr->dest), offset_is_const ?
bi_imm_u32(const_offset) : dyn_offset,
bi_src_index(&instr->src[0]),
kernel_input ? bi_zero() : bi_src_index(&instr->src[0]),
BI_SEG_UBO);
}
@ -628,6 +633,7 @@ bi_emit_intrinsic(bi_builder *b, nir_intrinsic_instr *instr)
break;
case nir_intrinsic_load_ubo:
case nir_intrinsic_load_kernel_input:
bi_emit_load_ubo(b, instr);
break;