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agx: Pack texture ops

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Signed-off-by: Alyssa Rosenzweig <alyssa@rosenzweig.io>
Acked-by: Jason Ekstrand <jason@jlekstrand.net>
Acked-by: Bas Nieuwenhuizen <bas@basnieuwenhuizen.nl>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/10582>
This commit is contained in:
Alyssa Rosenzweig 2021-04-24 14:01:32 -04:00 • committed by Alyssa Rosenzweig
parent 257a8cc111
commit 9f55538834
1 changed files with 109 additions and 0 deletions
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109
src/asahi/compiler/agx_pack.c
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@ -23,6 +23,45 @@
#include "agx_compiler.h"
/* Texturing has its own operands */
static unsigned
agx_pack_sample_coords(agx_index index, bool *flag)
{
/* TODO: how to encode 16-bit coords? */
assert(index.size == AGX_SIZE_32);
assert(index.value < 0x100);
*flag = index.discard;
return index.value;
}
static unsigned
agx_pack_texture(agx_index index, unsigned *flag)
{
/* TODO: indirection */
assert(index.type == AGX_INDEX_IMMEDIATE);
*flag = 0;
return index.value;
}
static unsigned
agx_pack_sampler(agx_index index, bool *flag)
{
/* TODO: indirection */
assert(index.type == AGX_INDEX_IMMEDIATE);
*flag = 0;
return index.value;
}
static unsigned
agx_pack_sample_offset(agx_index index, bool *flag)
{
/* TODO: offsets */
assert(index.type == AGX_INDEX_NULL);
*flag = 0;
return 0;
}
/* Load/stores have their own operands */
static unsigned
@ -383,6 +422,76 @@ agx_pack_instr(struct util_dynarray *emission, agx_instr *I)
break;
}
case AGX_OPCODE_TEXTURE_SAMPLE:
{
assert(I->mask != 0);
assert(I->format <= 0x10);
bool Rt, Ot, Ct, St;
unsigned Tt;
unsigned R = agx_pack_memory_reg(I->dest[0], &Rt);
unsigned C = agx_pack_sample_coords(I->src[0], &Ct);
unsigned T = agx_pack_texture(I->src[2], &Tt);
unsigned S = agx_pack_sampler(I->src[3], &St);
unsigned O = agx_pack_sample_offset(I->src[4], &Ot);
unsigned U = 0; // TODO: what is sampler ureg?
unsigned D = 0; // TODO: LOD
assert(I->src[1].type == AGX_INDEX_IMMEDIATE &&
I->src[1].value == 0);
unsigned q1 = 0; // XXX
unsigned q2 = 0; // XXX
unsigned q3 = 12; // XXX
unsigned q4 = 1; // XXX
unsigned q5 = 0; // XXX
unsigned q6 = 0; // XXX
uint32_t extend =
((U & BITFIELD_MASK(5)) << 0) |
(q4 << 5) |
((R >> 6) << 8) |
((C >> 6) << 10) |
((D >> 6) << 12) |
((T >> 6) << 14) |
((O & BITFIELD_MASK(6)) << 16) |
(q6 << 22) |
(Ot << 27) |
((S >> 6) << 28) |
((O >> 6) << 30);
bool L = (extend != 0);
assert(I->scoreboard == 0 && "todo");
uint64_t raw =
0x31 |
(Rt ? (1 << 8) : 0) |
((R & BITFIELD_MASK(6)) << 9) |
(L ? (1 << 15) : 0) |
((C & BITFIELD_MASK(6)) << 16) |
(Ct ? (1 << 22) : 0) |
(q1 << 23) |
((D & BITFIELD_MASK(6)) << 24) |
(q2 << 30) |
(((uint64_t) (T & BITFIELD_MASK(6))) << 32) |
(((uint64_t) Tt) << 38) |
(((uint64_t) I->dim) << 40) |
(((uint64_t) q3) << 43) |
(((uint64_t) I->mask) << 48) |
(((uint64_t) I->lod_mode) << 48) |
(((uint64_t) (S & BITFIELD_MASK(6))) << 32) |
(((uint64_t) St) << 62) |
(((uint64_t) q5) << 63);
memcpy(util_dynarray_grow_bytes(emission, 1, 8), &raw, 8);
if (L)
memcpy(util_dynarray_grow_bytes(emission, 1, 4), &extend, 4);
break;
}
default:
agx_pack_alu(emission, I);
return;