diff options
author | Christoph Bumiller <[email protected]> | 2009-11-03 22:09:32 +0100 |
---|---|---|
committer | Christoph Bumiller <[email protected]> | 2009-11-04 00:53:51 +0100 |
commit | 317ccfe0dfbfda13f58a26f661324d883b25a316 (patch) | |
tree | b0abbd9330af227c85d5a8c09e24ca3046e8fedc /src | |
parent | 040e1d008f8f8258f1b0ee0fcdf4906e0979fb66 (diff) |
nv50: add abs-modifier for emit_minmax
Diffstat (limited to 'src')
-rw-r--r-- | src/gallium/drivers/nv50/nv50_program.c | 48 |
1 files changed, 31 insertions, 17 deletions
diff --git a/src/gallium/drivers/nv50/nv50_program.c b/src/gallium/drivers/nv50/nv50_program.c index 27827c7ecf1..64a0b571a58 100644 --- a/src/gallium/drivers/nv50/nv50_program.c +++ b/src/gallium/drivers/nv50/nv50_program.c @@ -88,12 +88,16 @@ struct nv50_reg { int index; int hw; - int neg; + int mod; int rhw; /* result hw for FP outputs, or interpolant index */ int acc; /* instruction where this reg is last read (first insn == 1) */ }; +#define NV50_MOD_NEG 1 +#define NV50_MOD_ABS 2 +#define NV50_MOD_SAT 4 + /* arbitrary limits */ #define MAX_IF_DEPTH 4 #define MAX_LOOP_DEPTH 4 @@ -152,7 +156,7 @@ ctor_reg(struct nv50_reg *reg, unsigned type, int index, int hw) reg->type = type; reg->index = index; reg->hw = hw; - reg->neg = 0; + reg->mod = 0; reg->rhw = -1; reg->acc = 0; } @@ -460,8 +464,12 @@ set_dst(struct nv50_pc *pc, struct nv50_reg *dst, struct nv50_program_exec *e) static INLINE void set_immd(struct nv50_pc *pc, struct nv50_reg *imm, struct nv50_program_exec *e) { + unsigned val; float f = pc->immd_buf[imm->hw]; - unsigned val = fui(imm->neg ? -f : f); + + if (imm->mod & NV50_MOD_ABS) + f = fabsf(f); + val = fui((imm->mod & NV50_MOD_NEG) ? -f : f); set_long(pc, e); /*XXX: can't be predicated - bits overlap.. catch cases where both @@ -801,12 +809,12 @@ emit_mul(struct nv50_pc *pc, struct nv50_reg *dst, struct nv50_reg *src0, set_dst(pc, dst, e); set_src_0(pc, src0, e); if (src1->type == P_IMMD && !is_long(e)) { - if (src0->neg) + if (src0->mod & NV50_MOD_NEG) e->inst[0] |= 0x00008000; set_immd(pc, src1, e); } else { set_src_1(pc, src1, e); - if (src0->neg ^ src1->neg) { + if ((src0->mod ^ src1->mod) & NV50_MOD_NEG) { if (is_long(e)) e->inst[1] |= 0x08000000; else @@ -828,9 +836,10 @@ emit_add(struct nv50_pc *pc, struct nv50_reg *dst, alloc_reg(pc, src1); check_swap_src_0_1(pc, &src0, &src1); - if (!pc->allow32 || (src0->neg | src1->neg) || src1->hw > 63) { + if (!pc->allow32 || (src0->mod | src1->mod) || src1->hw > 63) { set_long(pc, e); - e->inst[1] |= (src0->neg << 26) | (src1->neg << 27); + e->inst[1] |= ((src0->mod & NV50_MOD_NEG) << 26) | + ((src1->mod & NV50_MOD_NEG) << 27); } set_dst(pc, dst, e); @@ -877,6 +886,11 @@ emit_minmax(struct nv50_pc *pc, unsigned sub, struct nv50_reg *dst, set_src_0(pc, src0, e); set_src_1(pc, src1, e); + if (src0->mod & NV50_MOD_ABS) + e->inst[1] |= 0x00100000; + if (src1->mod & NV50_MOD_ABS) + e->inst[1] |= 0x00080000; + emit(pc, e); } @@ -885,9 +899,9 @@ emit_sub(struct nv50_pc *pc, struct nv50_reg *dst, struct nv50_reg *src0, struct nv50_reg *src1) { assert(src0 != src1); - src1->neg ^= 1; + src1->mod ^= NV50_MOD_NEG; emit_add(pc, dst, src0, src1); - src1->neg ^= 1; + src1->mod ^= NV50_MOD_NEG; } static void @@ -941,9 +955,9 @@ emit_mad(struct nv50_pc *pc, struct nv50_reg *dst, struct nv50_reg *src0, set_src_1(pc, src1, e); set_src_2(pc, src2, e); - if (src0->neg ^ src1->neg) + if ((src0->mod ^ src1->mod) & NV50_MOD_NEG) e->inst[1] |= 0x04000000; - if (src2->neg) + if (src2->mod & NV50_MOD_NEG) e->inst[1] |= 0x08000000; emit(pc, e); @@ -954,9 +968,9 @@ emit_msb(struct nv50_pc *pc, struct nv50_reg *dst, struct nv50_reg *src0, struct nv50_reg *src1, struct nv50_reg *src2) { assert(src2 != src0 && src2 != src1); - src2->neg ^= 1; + src2->mod ^= NV50_MOD_NEG; emit_mad(pc, dst, src0, src1, src2); - src2->neg ^= 1; + src2->mod ^= NV50_MOD_NEG; } static void @@ -1230,7 +1244,7 @@ emit_kil(struct nv50_pc *pc, struct nv50_reg *src) const int r_pred = 1; unsigned cvn = CVT_F32_F32; - if (src->neg) + if (src->mod & NV50_MOD_NEG) cvn |= CVT_NEG; /* write predicate reg */ emit_cvt(pc, NULL, src, r_pred, CVTOP_RN, cvn); @@ -1408,7 +1422,7 @@ emit_ddy(struct nv50_pc *pc, struct nv50_reg *dst, struct nv50_reg *src) assert(src->type == P_TEMP); - if (!src->neg) /* ! double negation */ + if (!(src->mod & NV50_MOD_NEG)) /* ! double negation */ emit_neg(pc, src, src); e->inst[0] = 0xc0150000; @@ -1671,7 +1685,7 @@ tgsi_src(struct nv50_pc *pc, int chan, const struct tgsi_full_src_register *src, break; case TGSI_UTIL_SIGN_TOGGLE: if (neg) - r->neg = 1; + r->mod = NV50_MOD_NEG; else { temp = temp_temp(pc); emit_neg(pc, temp, r); @@ -2207,7 +2221,7 @@ nv50_program_tx_insn(struct nv50_pc *pc, for (c = 0; c < 4; c++) { if (!src[i][c]) continue; - src[i][c]->neg = 0; + src[i][c]->mod = 0; if (src[i][c]->index == -1 && src[i][c]->type == P_IMMD) FREE(src[i][c]); else |