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agx: Handle texture array indices

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These need to be converted to integers.

Signed-off-by: Alyssa Rosenzweig <alyssa@rosenzweig.io>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/14899>
This commit is contained in:
Alyssa Rosenzweig
2022-01-18 14:14:55 -05:00
committed by Marge Bot
parent b459473bb9
commit 367d93bcd4
1 changed files with 21 additions and 0 deletions
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21
src/asahi/compiler/agx_compile.c
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@@ -819,6 +819,27 @@ agx_emit_tex(agx_builder *b, nir_tex_instr *instr)
switch (instr->src[i].src_type) { switch (instr->src[i].src_type) {
case nir_tex_src_coord: case nir_tex_src_coord:
coords = index; coords = index;
/* Array textures are indexed by a floating-point in NIR, but by an
* integer in AGX. Convert the array index from float-to-int for array
* textures. The array index is the last source in NIR.
*/
if (instr->is_array) {
unsigned nr = nir_src_num_components(instr->src[i].src);
agx_index channels[4] = {};
for (unsigned i = 0; i < nr; ++i)
channels[i] = agx_p_extract(b, index, i);
channels[nr - 1] = agx_convert(b,
agx_immediate(AGX_CONVERT_F_TO_S32),
channels[nr - 1], AGX_ROUND_RTZ);
coords = agx_p_combine(b, channels[0], channels[1], channels[2], channels[3]);
} else {
coords = index;
}
break; break;
case nir_tex_src_lod: case nir_tex_src_lod: