From 4aec8aa2e33b0bf9d5e8c292d604fe988e439bca Mon Sep 17 00:00:00 2001 From: Luca Barbieri <luca@luca-barbieri.com> Date: Sat, 21 Aug 2010 19:35:06 +0200 Subject: nvfx: implement TRUNC in vp and fp --- src/gallium/drivers/nvfx/nvfx_fragprog.c | 25 +++++++++++++++++++------ src/gallium/drivers/nvfx/nvfx_vertprog.c | 13 +++++++++++++ 2 files changed, 32 insertions(+), 6 deletions(-) (limited to 'src/gallium') diff --git a/src/gallium/drivers/nvfx/nvfx_fragprog.c b/src/gallium/drivers/nvfx/nvfx_fragprog.c index 2b749efece..2c24d523c4 100644 --- a/src/gallium/drivers/nvfx/nvfx_fragprog.c +++ b/src/gallium/drivers/nvfx/nvfx_fragprog.c @@ -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)); diff --git a/src/gallium/drivers/nvfx/nvfx_vertprog.c b/src/gallium/drivers/nvfx/nvfx_vertprog.c index 2894532bd1..d68224ce7a 100644 --- a/src/gallium/drivers/nvfx/nvfx_vertprog.c +++ b/src/gallium/drivers/nvfx/nvfx_vertprog.c @@ -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)); -- cgit v1.2.3