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nvfx: implement TRUNC in vp and fp

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This commit is contained in:
Luca Barbieri
2010-08-21 19:35:06 +02:00
parent 587d26fdf9
commit 4aec8aa2e3
2 changed files with 32 additions and 6 deletions
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src/gallium/drivers/nvfx/nvfx_fragprog.c
+19 -6
View File
@@ -725,12 +725,25 @@ nvfx_fragprog_parse_instruction(struct nvfx_context* nvfx, struct nvfx_fpc *fpc,
case TGSI_OPCODE_TEX:
nvfx_fp_emit(fpc, tex(sat, TEX, unit, dst, mask, src[0], none, none));
break;
case TGSI_OPCODE_TXB:
nvfx_fp_emit(fpc, tex(sat, TXB, unit, dst, mask, src[0], none, none));
break;
case TGSI_OPCODE_TXP:
nvfx_fp_emit(fpc, tex(sat, TXP, unit, dst, mask, src[0], none, none));
break;
case TGSI_OPCODE_TRUNC:
tmp = nvfx_src(temp(fpc));
insn = arith(0, MOV, none.reg, mask, src[0], none, none);
insn.cc_update = 1;
nvfx_fp_emit(fpc, insn);
nvfx_fp_emit(fpc, arith(0, FLR, tmp.reg, mask, abs(src[0]), none, none));
nvfx_fp_emit(fpc, arith(sat, MOV, dst, mask, tmp, none, none));
insn = arith(sat, MOV, dst, mask, neg(tmp), none, none);
insn.cc_test = NVFX_COND_LT;
nvfx_fp_emit(fpc, insn);
break;
case TGSI_OPCODE_TXB:
nvfx_fp_emit(fpc, tex(sat, TXB, unit, dst, mask, src[0], none, none));
break;
case TGSI_OPCODE_TXP:
nvfx_fp_emit(fpc, tex(sat, TXP, unit, dst, mask, src[0], none, none));
break;
case TGSI_OPCODE_XPD:
tmp = nvfx_src(temp(fpc));
nvfx_fp_emit(fpc, arith(0, MUL, tmp.reg, mask, swz(src[0], Z, X, Y, Y), swz(src[1], Y, Z, X, X), none));
src/gallium/drivers/nvfx/nvfx_vertprog.c
+13
View File
@@ -614,6 +614,19 @@ nvfx_vertprog_parse_instruction(struct nvfx_context* nvfx, struct nvfx_vpc *vpc,
case TGSI_OPCODE_SUB:
nvfx_vp_emit(vpc, arith(VEC, ADD, dst, mask, src[0], none, neg(src[1])));
break;
case TGSI_OPCODE_TRUNC:
tmp = nvfx_src(temp(vpc));
insn = arith(VEC, MOV, none.reg, mask, src[0], none, none);
insn.cc_update = 1;
nvfx_vp_emit(vpc, insn);
nvfx_vp_emit(vpc, arith(VEC, FLR, tmp.reg, mask, abs(src[0]), none, none));
nvfx_vp_emit(vpc, arith(VEC, MOV, dst, mask, tmp, none, none));
insn = arith(VEC, MOV, dst, mask, neg(tmp), none, none);
insn.cc_test = NVFX_COND_LT;
nvfx_vp_emit(vpc, insn);
break;
case TGSI_OPCODE_XPD:
tmp = nvfx_src(temp(vpc));
nvfx_vp_emit(vpc, arith(VEC, MUL, tmp.reg, mask, swz(src[0], Z, X, Y, Y), swz(src[1], Y, Z, X, X), none));