From 99637ba80e376e8dcdce8fb1597f55256c461aee Mon Sep 17 00:00:00 2001 From: Christoph Bumiller Date: Fri, 8 Jan 2010 17:07:40 +0100 Subject: [PATCH] nv50: handle TGSI_OPCODE_UMAD,UMUL,NOT and fix SAD --- src/gallium/drivers/nv50/nv50_program.c | 152 +++++++++++++++++++++++- 1 file changed, 149 insertions(+), 3 deletions(-) diff --git a/src/gallium/drivers/nv50/nv50_program.c b/src/gallium/drivers/nv50/nv50_program.c index 3c1e9eca874..e16fa479e5f 100644 --- a/src/gallium/drivers/nv50/nv50_program.c +++ b/src/gallium/drivers/nv50/nv50_program.c @@ -246,7 +246,8 @@ alloc_reg(struct nv50_pc *pc, struct nv50_reg *reg) } } - assert(0); + NOUVEAU_ERR("out of registers\n"); + abort(); } static INLINE struct nv50_reg * @@ -286,7 +287,8 @@ alloc_temp(struct nv50_pc *pc, struct nv50_reg *dst) } } - assert(0); + NOUVEAU_ERR("out of registers\n"); + abort(); return NULL; } @@ -876,6 +878,26 @@ set_src_2(struct nv50_pc *pc, struct nv50_reg *src, struct nv50_program_exec *e) e->inst[1] |= ((src->hw & 127) << 14); } +static void +set_half_src(struct nv50_pc *pc, struct nv50_reg *src, int lh, + struct nv50_program_exec *e, int pos) +{ + struct nv50_reg *r = src; + + alloc_reg(pc, r); + if (r->type != P_TEMP) { + r = temp_temp(pc, e); + emit_mov(pc, r, src); + } + + if (r->hw > (NV50_SU_MAX_TEMP / 2)) { + NOUVEAU_ERR("out of low GPRs\n"); + abort(); + } + + e->inst[pos / 32] |= ((src->hw * 2) + lh) << (pos % 32); +} + static void emit_mov_from_pred(struct nv50_pc *pc, struct nv50_reg *dst, int pred) { @@ -1058,6 +1080,20 @@ emit_bitop2(struct nv50_pc *pc, struct nv50_reg *dst, struct nv50_reg *src0, emit(pc, e); } +static void +emit_not(struct nv50_pc *pc, struct nv50_reg *dst, struct nv50_reg *src) +{ + struct nv50_program_exec *e = exec(pc); + + e->inst[0] = 0xd0000000; + e->inst[1] = 0x0402c000; + set_long(pc, e); + set_dst(pc, dst, e); + set_src_1(pc, src, e); + + emit(pc, e); +} + static void emit_shift(struct nv50_pc *pc, struct nv50_reg *dst, struct nv50_reg *src0, struct nv50_reg *src1, unsigned dir) @@ -1086,6 +1122,27 @@ emit_shift(struct nv50_pc *pc, struct nv50_reg *dst, emit(pc, e); } +static void +emit_shl_imm(struct nv50_pc *pc, struct nv50_reg *dst, + struct nv50_reg *src, int s) +{ + struct nv50_program_exec *e = exec(pc); + + e->inst[0] = 0x30000000; + e->inst[1] = 0xc4100000; + if (s < 0) { + e->inst[1] |= 1 << 29; + s = -s; + } + e->inst[1] |= ((s & 0x7f) << 16); + + set_long(pc, e); + set_dst(pc, dst, e); + set_src_0(pc, src, e); + + emit(pc, e); +} + static void emit_mad(struct nv50_pc *pc, struct nv50_reg *dst, struct nv50_reg *src0, struct nv50_reg *src1, struct nv50_reg *src2) @@ -1361,6 +1418,43 @@ emit_add_b32(struct nv50_pc *pc, struct nv50_reg *dst, emit(pc, e); } +static void +emit_mad_u16(struct nv50_pc *pc, struct nv50_reg *dst, + struct nv50_reg *src0, int lh_0, struct nv50_reg *src1, int lh_1, + struct nv50_reg *src2) +{ + struct nv50_program_exec *e = exec(pc); + + e->inst[0] = 0x60000000; + if (!pc->allow32) + set_long(pc, e); + set_dst(pc, dst, e); + + set_half_src(pc, src0, lh_0, e, 9); + set_half_src(pc, src1, lh_1, e, 16); + alloc_reg(pc, src2); + if (is_long(e) || (src2->type != P_TEMP) || (src2->hw != dst->hw)) + set_src_2(pc, src2, e); + + emit(pc, e); +} + +static void +emit_mul_u16(struct nv50_pc *pc, struct nv50_reg *dst, + struct nv50_reg *src0, int lh_0, struct nv50_reg *src1, int lh_1) +{ + struct nv50_program_exec *e = exec(pc); + + e->inst[0] = 0x40000000; + set_long(pc, e); + set_dst(pc, dst, e); + + set_half_src(pc, src0, lh_0, e, 9); + set_half_src(pc, src1, lh_1, e, 16); + + emit(pc, e); +} + static void emit_sad(struct nv50_pc *pc, struct nv50_reg *dst, struct nv50_reg *src0, struct nv50_reg *src1, struct nv50_reg *src2) @@ -1368,6 +1462,9 @@ emit_sad(struct nv50_pc *pc, struct nv50_reg *dst, struct nv50_program_exec *e = exec(pc); e->inst[0] = 0x50000000; + if (!pc->allow32) + set_long(pc, e); + check_swap_src_0_1(pc, &src0, &src1); set_dst(pc, dst, e); set_src_0(pc, src0, e); set_src_1(pc, src1, e); @@ -1379,6 +1476,8 @@ emit_sad(struct nv50_pc *pc, struct nv50_reg *dst, e->inst[1] |= 0x0c << 24; else e->inst[0] |= 0x81 << 8; + + emit(pc, e); } static INLINE void @@ -1890,7 +1989,11 @@ convert_to_long(struct nv50_pc *pc, struct nv50_program_exec *e) case 0x5: /* SAD */ m = ~(0x81 << 8); - q = 0x0c << 24; + q = (0x0c << 24) | ((e->inst[0] & (0x7f << 2)) << 12); + break; + case 0x6: + /* MAD u16 */ + q = (e->inst[0] & (0x7f << 2)) << 12; break; case 0x8: /* INTERP (move centroid, perspective and flat bits) */ @@ -1970,8 +2073,11 @@ get_supported_mods(const struct tgsi_full_instruction *insn, int i) case TGSI_OPCODE_IMAX: case TGSI_OPCODE_IMIN: case TGSI_OPCODE_ISHR: + case TGSI_OPCODE_NOT: + case TGSI_OPCODE_UMAD: case TGSI_OPCODE_UMAX: case TGSI_OPCODE_UMIN: + case TGSI_OPCODE_UMUL: case TGSI_OPCODE_USHR: return NV50_MOD_I32; default: @@ -2713,6 +2819,13 @@ nv50_program_tx_insn(struct nv50_pc *pc, emit_mul(pc, dst[c], src[0][c], src[1][c]); } break; + case TGSI_OPCODE_NOT: + for (c = 0; c < 4; c++) { + if (!(mask & (1 << c))) + continue; + emit_not(pc, dst[c], src[0][c]); + } + break; case TGSI_OPCODE_POW: emit_pow(pc, brdc, src[0][0], src[1][0]); break; @@ -2857,6 +2970,39 @@ nv50_program_tx_insn(struct nv50_pc *pc, emit_minmax(pc, 0x0a4, dst[c], src[0][c], src[1][c]); } break; + case TGSI_OPCODE_UMAD: + { + assert(!temp); + temp = temp_temp(pc, NULL); + for (c = 0; c < 4; c++) { + if (!(mask & (1 << c))) + continue; + emit_mul_u16(pc, temp, src[0][c], 0, src[1][c], 1); + emit_mad_u16(pc, temp, src[0][c], 1, src[1][c], 0, + temp); + emit_shl_imm(pc, temp, temp, 16); + emit_mad_u16(pc, temp, src[0][c], 0, src[1][c], 0, + temp); + emit_add_b32(pc, dst[c], temp, src[2][c]); + } + } + break; + case TGSI_OPCODE_UMUL: + { + assert(!temp); + temp = temp_temp(pc, NULL); + for (c = 0; c < 4; c++) { + if (!(mask & (1 << c))) + continue; + emit_mul_u16(pc, temp, src[0][c], 0, src[1][c], 1); + emit_mad_u16(pc, temp, src[0][c], 1, src[1][c], 0, + temp); + emit_shl_imm(pc, temp, temp, 16); + emit_mad_u16(pc, dst[c], src[0][c], 0, src[1][c], 0, + temp); + } + } + break; case TGSI_OPCODE_XPD: temp = temp_temp(pc, NULL); if (mask & (1 << 0)) { -- 2.30.2