diff options
| author | Christoph Bumiller <e0425955@student.tuwien.ac.at> | 2009-12-30 20:54:58 +0100 |
|---|---|---|
| committer | Christoph Bumiller <e0425955@student.tuwien.ac.at> | 2009-12-31 14:34:34 +0100 |
| commit | d9ae8f31d5e687fae412edf888028cce69b039f0 (patch) | |
| tree | ff80a8698f3d75ea13b2a72ae19997b7f779692c /src/gallium/drivers/nv50/nv50_program.c | |
| parent | f2cca04bd87547f8a76d87f4cd9b585de0cf40de (diff) | |
nv50: handle TGSI_OPCODE_EXP,LOG
Not that they make much sense on nv50, but we also do LIT ...
Diffstat (limited to 'src/gallium/drivers/nv50/nv50_program.c')
| -rw-r--r-- | src/gallium/drivers/nv50/nv50_program.c | 59 |
1 files changed, 59 insertions, 0 deletions
diff --git a/src/gallium/drivers/nv50/nv50_program.c b/src/gallium/drivers/nv50/nv50_program.c index 1847e8ab4c..a85587b986 100644 --- a/src/gallium/drivers/nv50/nv50_program.c +++ b/src/gallium/drivers/nv50/nv50_program.c @@ -1840,7 +1840,9 @@ nv50_tgsi_src_mask(const struct tgsi_full_instruction *insn, int c) case TGSI_OPCODE_DST: return mask & (c ? 0xa : 0x6); case TGSI_OPCODE_EX2: + case TGSI_OPCODE_EXP: case TGSI_OPCODE_LG2: + case TGSI_OPCODE_LOG: case TGSI_OPCODE_POW: case TGSI_OPCODE_RCP: case TGSI_OPCODE_RSQ: @@ -2062,6 +2064,8 @@ nv50_tgsi_dst_revdep(unsigned op, int s, int c) assert(0); return 0x0; } + case TGSI_OPCODE_EXP: + case TGSI_OPCODE_LOG: case TGSI_OPCODE_LIT: case TGSI_OPCODE_SCS: case TGSI_OPCODE_TEX: @@ -2366,6 +2370,33 @@ nv50_program_tx_insn(struct nv50_pc *pc, emit_preex2(pc, temp, src[0][0]); emit_flop(pc, NV50_FLOP_EX2, brdc, temp); break; + case TGSI_OPCODE_EXP: + { + struct nv50_reg *t[2]; + + assert(!temp); + t[0] = temp_temp(pc); + t[1] = temp_temp(pc); + + if (mask & 0x6) + emit_mov(pc, t[0], src[0][0]); + if (mask & 0x3) + emit_flr(pc, t[1], src[0][0]); + + if (mask & (1 << 1)) + emit_sub(pc, dst[1], t[0], t[1]); + if (mask & (1 << 0)) { + emit_preex2(pc, t[1], t[1]); + emit_flop(pc, NV50_FLOP_EX2, dst[0], t[1]); + } + if (mask & (1 << 2)) { + emit_preex2(pc, t[0], t[0]); + emit_flop(pc, NV50_FLOP_EX2, dst[2], t[0]); + } + if (mask & (1 << 3)) + emit_mov_immdval(pc, dst[3], 1.0f); + } + break; case TGSI_OPCODE_FLR: for (c = 0; c < 4; c++) { if (!(mask & (1 << c))) @@ -2406,6 +2437,34 @@ nv50_program_tx_insn(struct nv50_pc *pc, case TGSI_OPCODE_LG2: emit_flop(pc, NV50_FLOP_LG2, brdc, src[0][0]); break; + case TGSI_OPCODE_LOG: + { + struct nv50_reg *t[2]; + + t[0] = temp_temp(pc); + if (mask & (1 << 1)) + t[1] = temp_temp(pc); + else + t[1] = t[0]; + + emit_abs(pc, t[0], src[0][0]); + emit_flop(pc, NV50_FLOP_LG2, t[1], t[0]); + if (mask & (1 << 2)) + emit_mov(pc, dst[2], t[1]); + emit_flr(pc, t[1], t[1]); + if (mask & (1 << 0)) + emit_mov(pc, dst[0], t[1]); + if (mask & (1 << 1)) { + t[1]->mod = NV50_MOD_NEG; + emit_preex2(pc, t[1], t[1]); + t[1]->mod = 0; + emit_flop(pc, NV50_FLOP_EX2, t[1], t[1]); + emit_mul(pc, dst[1], t[0], t[1]); + } + if (mask & (1 << 3)) + emit_mov_immdval(pc, dst[3], 1.0f); + } + break; case TGSI_OPCODE_LRP: temp = temp_temp(pc); for (c = 0; c < 4; c++) { |