fdo-mirrors/mesa
1
0
Fork 0
mirror of https://gitlab.freedesktop.org/mesa/mesa.git synced 2025-12-24 13:10:10 +01:00
Code Issues Projects Releases Packages Wiki Activity Actions 1

vc4: Add disasm for A-file unpack operations.

Browse source 
The A-file unpack is just like R4 unpack, except that if you don't do a
floating-point operation it won't do float conversion (so int16 gets
scaled up to int32).
This commit is contained in:
Eric Anholt 2014-08-22 14:16:19 -07:00
parent 71e5ba9c01
commit b7edf30191
3 changed files with 26 additions and 22 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

18
src/gallium/drivers/vc4/vc4_qpu_defines.h
View file

@ -195,15 +195,15 @@ enum qpu_pack_a {
QPU_PACK_A_8D_SAT,
};
enum qpu_unpack_r4 {
QPU_UNPACK_R4_NOP,
QPU_UNPACK_R4_F16A_TO_F32,
QPU_UNPACK_R4_F16B_TO_F32,
QPU_UNPACK_R4_8D_REP,
QPU_UNPACK_R4_8A,
QPU_UNPACK_R4_8B,
QPU_UNPACK_R4_8C,
QPU_UNPACK_R4_8D,
enum qpu_unpack {
QPU_UNPACK_NOP,
QPU_UNPACK_F16A_TO_F32,
QPU_UNPACK_F16B_TO_F32,
QPU_UNPACK_8D_REP,
QPU_UNPACK_8A,
QPU_UNPACK_8B,
QPU_UNPACK_8C,
QPU_UNPACK_8D,
};
#define QPU_MASK(high, low) ((((uint64_t)1<<((high)-(low)+1))-1)<<(low))

28
src/gallium/drivers/vc4/vc4_qpu_disasm.c
View file

@ -93,15 +93,18 @@ static const char *qpu_pack_mul[] = {
[QPU_PACK_MUL_8D] = "8d",
};
static const char *qpu_unpack_r4[] = {
[QPU_UNPACK_R4_NOP] = "",
[QPU_UNPACK_R4_F16A_TO_F32] = "f16a",
[QPU_UNPACK_R4_F16B_TO_F32] = "f16b",
[QPU_UNPACK_R4_8D_REP] = "8d_rep",
[QPU_UNPACK_R4_8A] = "8a",
[QPU_UNPACK_R4_8B] = "8b",
[QPU_UNPACK_R4_8C] = "8c",
[QPU_UNPACK_R4_8D] = "8d",
/* The QPU unpack for A and R4 files can be described the same, it's just that
* the R4 variants are convert-to-float only, with no int support.
*/
static const char *qpu_unpack[] = {
[QPU_UNPACK_NOP] = "",
[QPU_UNPACK_F16A_TO_F32] = "f16a",
[QPU_UNPACK_F16B_TO_F32] = "f16b",
[QPU_UNPACK_8D_REP] = "8d_rep",
[QPU_UNPACK_8A] = "8a",
[QPU_UNPACK_8B] = "8b",
[QPU_UNPACK_8C] = "8c",
[QPU_UNPACK_8D] = "8d",
};
static const char *special_read_a[] = {
@ -300,9 +303,10 @@ print_alu_src(uint64_t inst, uint32_t mux)
fprintf(stderr, "%s", DESC(special_read_b, raddr - 32));
}
if (mux == QPU_MUX_R4 && (inst & QPU_PM) &&
unpack != QPU_UNPACK_R4_NOP) {
fprintf(stderr, ".%s", DESC(qpu_unpack_r4, unpack));
if (unpack != QPU_UNPACK_NOP &&
((mux == QPU_MUX_A && !(inst & QPU_PM)) ||
(mux == QPU_MUX_R4) && (inst & QPU_PM))) {
fprintf(stderr, ".%s", DESC(qpu_unpack, unpack));
}
}

2
src/gallium/drivers/vc4/vc4_qpu_emit.c
View file

@ -483,7 +483,7 @@ vc4_generate_code(struct vc4_context *vc4, struct vc4_compile *c)
assert(src[0].mux == QPU_MUX_R4);
queue(c, qpu_a_MOV(dst, src[0]));
*last_inst(c) |= QPU_PM;
*last_inst(c) |= QPU_SET_FIELD(QPU_UNPACK_R4_8A +
*last_inst(c) |= QPU_SET_FIELD(QPU_UNPACK_8A +
(qinst->op -
QOP_R4_UNPACK_A),
QPU_UNPACK);