diff options
Diffstat (limited to 'src/gallium/drivers')
| -rw-r--r-- | src/gallium/drivers/nv50/nv50_program.c | 135 |
1 files changed, 112 insertions, 23 deletions
diff --git a/src/gallium/drivers/nv50/nv50_program.c b/src/gallium/drivers/nv50/nv50_program.c index 6c07fbfe0c2..e038031f57b 100644 --- a/src/gallium/drivers/nv50/nv50_program.c +++ b/src/gallium/drivers/nv50/nv50_program.c @@ -968,6 +968,113 @@ emit_kil(struct nv50_pc *pc, struct nv50_reg *src) } static void +emit_tex(struct nv50_pc *pc, struct nv50_reg **dst, unsigned mask, + struct nv50_reg **src, unsigned unit, unsigned type, boolean proj) +{ + struct nv50_reg *temp, *t[4]; + struct nv50_program_exec *e; + + unsigned c, mode, dim; + + switch (type) { + case TGSI_TEXTURE_1D: + dim = 1; + break; + case TGSI_TEXTURE_UNKNOWN: + case TGSI_TEXTURE_2D: + case TGSI_TEXTURE_SHADOW1D: /* XXX: x, z */ + case TGSI_TEXTURE_RECT: + dim = 2; + break; + case TGSI_TEXTURE_3D: + case TGSI_TEXTURE_CUBE: + case TGSI_TEXTURE_SHADOW2D: + case TGSI_TEXTURE_SHADOWRECT: /* XXX */ + dim = 3; + break; + default: + assert(0); + break; + } + + alloc_temp4(pc, t, 0); + + if (proj) { + if (src[0]->type == P_TEMP && src[0]->rhw != -1) { + mode = pc->interp_mode[src[0]->index]; + + t[3]->rhw = src[3]->rhw; + emit_interp(pc, t[3], NULL, (mode & INTERP_CENTROID)); + emit_flop(pc, 0, t[3], t[3]); + + for (c = 0; c < dim; c++) { + t[c]->rhw = src[c]->rhw; + emit_interp(pc, t[c], t[3], + (mode | INTERP_PERSPECTIVE)); + } + } else { + emit_flop(pc, 0, t[3], src[3]); + for (c = 0; c < dim; c++) + emit_mul(pc, t[c], src[c], t[3]); + + /* XXX: for some reason the blob sometimes uses MAD: + * emit_mad(pc, t[c], src[0][c], t[3], t[3]) + * pc->p->exec_tail->inst[1] |= 0x080fc000; + */ + } + } else { + if (type == TGSI_TEXTURE_CUBE) { + temp = temp_temp(pc); + emit_minmax(pc, 4, temp, src[0], src[1]); + emit_minmax(pc, 4, temp, temp, src[2]); + emit_flop(pc, 0, temp, temp); + for (c = 0; c < 3; c++) + emit_mul(pc, t[c], src[c], temp); + } else { + for (c = 0; c < dim; c++) + emit_mov(pc, t[c], src[c]); + } + } + + e = exec(pc); + set_long(pc, e); + e->inst[0] |= 0xf0000000; + e->inst[1] |= 0x00000004; + set_dst(pc, t[0], e); + e->inst[0] |= (unit << 9); + + if (dim == 2) + e->inst[0] |= 0x00400000; + else + if (dim == 3) + e->inst[0] |= 0x00800000; + + e->inst[0] |= (mask & 0x3) << 25; + e->inst[1] |= (mask & 0xc) << 12; + + emit(pc, e); + +#if 1 + if (mask & 1) emit_mov(pc, dst[0], t[0]); + if (mask & 2) emit_mov(pc, dst[1], t[1]); + if (mask & 4) emit_mov(pc, dst[2], t[2]); + if (mask & 8) emit_mov(pc, dst[3], t[3]); + + free_temp4(pc, t); +#else + /* XXX: if p.e. MUL is used directly after TEX, it would still use + * the texture coordinates, not the fetched values: latency ? */ + + for (c = 0; c < 4; c++) { + if (mask & (1 << c)) + assimilate_temp(pc, dst[c], t[c]); + else + free_temp(pc, t[c]); + } +#endif +} + +static void convert_to_long(struct nv50_pc *pc, struct nv50_program_exec *e) { unsigned q = 0, m = ~0; @@ -1422,30 +1529,12 @@ nv50_program_tx_insn(struct nv50_pc *pc, const union tgsi_full_token *tok) } break; case TGSI_OPCODE_TEX: + emit_tex(pc, dst, mask, src[0], unit, + inst->InstructionExtTexture.Texture, FALSE); + break; case TGSI_OPCODE_TXP: - { - struct nv50_reg *t[4]; - struct nv50_program_exec *e; - - alloc_temp4(pc, t, 0); - emit_mov(pc, t[0], src[0][0]); - emit_mov(pc, t[1], src[0][1]); - - e = exec(pc); - e->inst[0] = 0xf6400000; - e->inst[0] |= (unit << 9); - set_long(pc, e); - e->inst[1] |= 0x0000c004; - set_dst(pc, t[0], e); - emit(pc, e); - - if (mask & (1 << 0)) emit_mov(pc, dst[0], t[0]); - if (mask & (1 << 1)) emit_mov(pc, dst[1], t[1]); - if (mask & (1 << 2)) emit_mov(pc, dst[2], t[2]); - if (mask & (1 << 3)) emit_mov(pc, dst[3], t[3]); - - free_temp4(pc, t); - } + emit_tex(pc, dst, mask, src[0], unit, + inst->InstructionExtTexture.Texture, TRUE); break; case TGSI_OPCODE_XPD: temp = temp_temp(pc); |