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aco: fix VS input loads with MUBUF on GFX6

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Only MTBUF supports vec3.

Fixes: 03a0d39366 ("aco: use MUBUF in some situations instead of splitting vertex fetches")
Signed-off-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>
Reviewed-by: Daniel Schürmann <daniel@schuermann.dev>
Tested-by: Marge Bot <https://gitlab.freedesktop.org/mesa/mesa/merge_requests/3615>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/merge_requests/3615>
This commit is contained in:
Samuel Pitoiset 2020-01-29 09:18:20 +01:00 • committed by Marge Bot
parent 404818dd28
commit 6aecc316c0
1 changed files with 7 additions and 1 deletions
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8
src/amd/compiler/aco_instruction_selection.cpp
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@ -3236,8 +3236,14 @@ void visit_load_input(isel_context *ctx, nir_intrinsic_instr *instr)
nfmt == V_008F0C_BUF_NUM_FORMAT_SINT) && nfmt == V_008F0C_BUF_NUM_FORMAT_SINT) &&
vtx_info->chan_byte_size == 4; vtx_info->chan_byte_size == 4;
unsigned fetch_dfmt = V_008F0C_BUF_DATA_FORMAT_INVALID; unsigned fetch_dfmt = V_008F0C_BUF_DATA_FORMAT_INVALID;
if (!use_mubuf) if (!use_mubuf) {
fetch_dfmt = get_fetch_data_format(ctx, vtx_info, fetch_offset, attrib_stride, &fetch_size); fetch_dfmt = get_fetch_data_format(ctx, vtx_info, fetch_offset, attrib_stride, &fetch_size);
} else {
if (fetch_size == 3 && ctx->options->chip_class == GFX6) {
/* GFX6 only supports loading vec3 with MTBUF, expand to vec4. */
fetch_size = 4;
}
}
Temp fetch_index = index; Temp fetch_index = index;
if (attrib_stride != 0 && fetch_offset > attrib_stride) { if (attrib_stride != 0 && fetch_offset > attrib_stride) {