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zink: add a pass to fix vertex input locations

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this is very stupid

Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/28580>
This commit is contained in:
Mike Blumenkrantz 2024-03-27 13:12:04 -04:00 • committed by Marge Bot
parent e8c12c82ef
commit 942f3d3a3f
1 changed files with 27 additions and 0 deletions
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27
src/gallium/drivers/zink/zink_compiler.c
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@ -5666,6 +5666,32 @@ lower_vec816_alu(const nir_instr *instr, const void *cb_data)
return 4;
}
static bool
fix_vertex_input_locations_instr(nir_builder *b, nir_intrinsic_instr *intr, void *data)
{
bool is_load = false;
bool is_input = false;
bool is_interp = false;
if (!filter_io_instr(intr, &is_load, &is_input, &is_interp) || !is_input)
return false;
nir_io_semantics sem = nir_intrinsic_io_semantics(intr);
if (sem.location < VERT_ATTRIB_GENERIC0)
return false;
sem.location = VERT_ATTRIB_GENERIC0 + nir_intrinsic_base(intr);
nir_intrinsic_set_io_semantics(intr, sem);
return true;
}
static bool
fix_vertex_input_locations(nir_shader *nir)
{
if (nir->info.stage != MESA_SHADER_VERTEX)
return false;
return nir_shader_intrinsics_pass(nir, fix_vertex_input_locations_instr, nir_metadata_all, NULL);
}
struct zink_shader *
zink_shader_create(struct zink_screen *screen, struct nir_shader *nir)
{
@ -5733,6 +5759,7 @@ zink_shader_create(struct zink_screen *screen, struct nir_shader *nir)
nir_gather_xfb_info_from_intrinsics(nir);
/* clean up io to improve direct access */
optimize_nir(nir, NULL, true);
NIR_PASS_V(nir, fix_vertex_input_locations);
nir_shader_gather_info(nir, nir_shader_get_entrypoint(nir));
scan_nir(screen, nir, ret);
if (nir->info.io_lowered) {