fdo-mirrors/mesa
1
0
Fork 0
mirror of https://gitlab.freedesktop.org/mesa/mesa.git synced 2025-12-27 14:50:10 +01:00
Code Issues Projects Releases Packages Wiki Activity Actions 1

pan/bi: Pack ADD.DISCARD

Browse source 
Signed-off-by: Alyssa Rosenzweig <alyssa.rosenzweig@collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/4883>
This commit is contained in:
Alyssa Rosenzweig 2020-05-01 18:53:25 -04:00
parent 7a9b9859e7
commit fdf154d24a
1 changed files with 46 additions and 0 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

46
src/panfrost/bifrost/bi_pack.c
View file

@ -1481,6 +1481,51 @@ bi_pack_add_select(bi_instruction *ins, struct bi_registers *regs)
return bi_pack_add_2src(ins, regs, op);
}
static enum bifrost_discard_cond
bi_cond_to_discard(enum bi_cond cond, bool *flip)
{
switch (cond){
case BI_COND_GT:
*flip = true;
/* fallthrough */
case BI_COND_LT:
return BIFROST_DISCARD_FLT;
case BI_COND_GE:
*flip = true;
/* fallthrough */
case BI_COND_LE:
return BIFROST_DISCARD_FLE;
case BI_COND_NE:
return BIFROST_DISCARD_FNE;
case BI_COND_EQ:
return BIFROST_DISCARD_FEQ;
default:
unreachable("Invalid op for discard");
}
}
static unsigned
bi_pack_add_discard(bi_instruction *ins, struct bi_registers *regs)
{
bool fp16 = ins->src_types[0] == nir_type_float16;
assert(fp16 || ins->src_types[0] == nir_type_float32);
bool flip = false;
enum bifrost_discard_cond cond = bi_cond_to_discard(ins->cond, &flip);
struct bifrost_add_discard pack = {
.src0 = bi_get_src(ins, regs, flip ? 1 : 0, false),
.src1 = bi_get_src(ins, regs, flip ? 0 : 1, false),
.cond = cond,
.src0_select = fp16 ? ins->swizzle[0][0] : 0,
.src1_select = fp16 ? ins->swizzle[1][0] : 0,
.fp32 = fp16 ? 0 : 1,
.op = BIFROST_ADD_OP_DISCARD
};
RETURN_PACKED(pack);
}
static unsigned
bi_pack_add(bi_clause *clause, bi_bundle bundle, struct bi_registers *regs)
{
@ -1502,6 +1547,7 @@ bi_pack_add(bi_clause *clause, bi_bundle bundle, struct bi_registers *regs)
case BI_CONVERT:
return bi_pack_convert(bundle.add, regs, false);
case BI_DISCARD:
return bi_pack_add_discard(bundle.add, regs);
case BI_FREXP:
case BI_ISUB:
case BI_LOAD: