diff options
| author | Eric Anholt <[email protected]> | 2016-04-27 18:49:59 -0700 |
|---|---|---|
| committer | Eric Anholt <[email protected]> | 2016-05-02 11:06:29 -0700 |
| commit | b145b731ab01937993e2bf7ecc072217932568ff (patch) | |
| tree | 043b659a4adb625d65d8c9ad849442afd5ed6958 | |
| parent | e138716d8d96a8bd53d9403635777e33698bfd2c (diff) | |
vc4: Emit only one FRAG_Z or FRAG_W QIR opcode.
We were generating piles of FRAG_W for interpolation, only to CSE them
away immediately. Since this is the only thing that CSE is doing for us
any more, just avoid making the CSE work necessary.
| -rw-r--r-- | src/gallium/drivers/vc4/vc4_qir.h | 21 |
1 files changed, 19 insertions, 2 deletions
diff --git a/src/gallium/drivers/vc4/vc4_qir.h b/src/gallium/drivers/vc4/vc4_qir.h index 789918dee68..62624d4b1e2 100644 --- a/src/gallium/drivers/vc4/vc4_qir.h +++ b/src/gallium/drivers/vc4/vc4_qir.h @@ -374,6 +374,8 @@ struct vc4_compile { struct qreg line_x, point_x, point_y; struct qreg discard; + struct qreg payload_FRAG_Z; + struct qreg payload_FRAG_W; uint8_t vattr_sizes[8]; @@ -584,6 +586,21 @@ qir_##name(struct vc4_compile *c, struct qreg dest, struct qreg a) \ return dest; \ } +#define QIR_PAYLOAD(name) \ +static inline struct qreg \ +qir_##name(struct vc4_compile *c) \ +{ \ + struct qreg *payload = &c->payload_##name; \ + if (payload->file != QFILE_NULL) \ + return *payload; \ + *payload = qir_get_temp(c); \ + struct qinst *inst = qir_inst(QOP_##name, *payload, \ + c->undef, c->undef); \ + list_add(&inst->link, &c->instructions); \ + c->defs[payload->index] = inst; \ + return *payload; \ +} + QIR_ALU1(MOV) QIR_ALU1(FMOV) QIR_ALU1(MMOV) @@ -625,8 +642,8 @@ QIR_NODST_2(TEX_T) QIR_NODST_2(TEX_R) QIR_NODST_2(TEX_B) QIR_NODST_2(TEX_DIRECT) -QIR_ALU0(FRAG_Z) -QIR_ALU0(FRAG_W) +QIR_PAYLOAD(FRAG_Z) +QIR_PAYLOAD(FRAG_W) QIR_ALU0(TEX_RESULT) QIR_ALU0(TLB_COLOR_READ) QIR_NODST_1(MS_MASK) |