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pan/bi: LOD is a 8.8 fixed point 

Signed-off-by: Boris Brezillon <boris.brezillon@collabora.com>
Reviewed-by: Alyssa Rosenzweig <alyssa.rosenzweig@collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/7653>
This commit is contained in:
Boris Brezillon 2020-11-17 17:27:40 +01:00
parent 3949e8ba19
commit 0f643bbcc8
1 changed files with 17 additions and 9 deletions
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26
src/panfrost/bifrost/bifrost_compile.c
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@ -1603,18 +1603,26 @@ bi_emit_lod_88(bi_context *ctx, unsigned lod, bool fp16)
static unsigned
bi_emit_lod_cube(bi_context *ctx, unsigned lod)
{
/* MKVEC.v2i16 out, lod.h0, #0 */
bi_instruction mkvec = {
.type = BI_SELECT,
bi_instruction or = {
.type = BI_BITWISE,
.op.bitwise = BI_BITWISE_OR,
.dest = bi_make_temp(ctx),
.dest_type = nir_type_int16,
.src = { lod ? : BIR_INDEX_ZERO, BIR_INDEX_ZERO },
.src_types = { nir_type_int16, nir_type_int16 },
.dest_type = nir_type_uint32,
.src = {
lod ? : BIR_INDEX_ZERO,
BIR_INDEX_ZERO,
BIR_INDEX_CONSTANT | 0,
},
.src_types = {
nir_type_uint32,
nir_type_uint32,
nir_type_uint8,
},
.constant.u8[0] = 8,
};
bi_emit(ctx, mkvec);
return mkvec.dest;
bi_emit(ctx, or);
return or.dest;
}
/* The hardware specifies texel offsets and multisample indices together as a