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panfrost: support 16-bit vertex attributes

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There is no auto32 equivalent for 16-bit types, we need to select
specific register formats.

Signed-off-by: Benjamin Lee <benjamin.lee@collabora.com>
Reviewed-by: Lars-Ivar Hesselberg Simonsen <lars-ivar.simonsen@arm.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/33078>
This commit is contained in:
Benjamin Lee
2025-02-01 01:40:35 -08:00
committed by Marge Bot
parent 02dc105a36
commit 1b359f3e59
1 changed files with 21 additions and 3 deletions
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src/panfrost/compiler/bifrost_compile.c
+21 -3
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@@ -480,9 +480,27 @@ bi_emit_load_attr(bi_builder *b, nir_intrinsic_instr *instr)
* s32) source, so use .auto32 to disregard.
*/
nir_alu_type T = nir_intrinsic_dest_type(instr);
assert(T == nir_type_uint32 || T == nir_type_int32 || T == nir_type_float32);
enum bi_register_format regfmt =
T == nir_type_float32 ? BI_REGISTER_FORMAT_F32 : BI_REGISTER_FORMAT_AUTO;
enum bi_register_format regfmt = BI_REGISTER_FORMAT_AUTO;
switch (T) {
case nir_type_uint32:
case nir_type_int32:
regfmt = BI_REGISTER_FORMAT_AUTO;
break;
case nir_type_float32:
regfmt = BI_REGISTER_FORMAT_F32;
break;
case nir_type_uint16:
regfmt = BI_REGISTER_FORMAT_U16;
break;
case nir_type_int16:
regfmt = BI_REGISTER_FORMAT_S16;
break;
case nir_type_float16:
regfmt = BI_REGISTER_FORMAT_F16;
break;
default:
assert("unsupported attribute type" && false);
}
nir_src *offset = nir_get_io_offset_src(instr);
unsigned component = nir_intrinsic_component(instr);