nvfx: implement CMP in vp

diff --git a/src/gallium/drivers/nvfx/nvfx_vertprog.c b/src/gallium/drivers/nvfx/nvfx_vertprog.c
index 6b19d86a180b85635ec87871e5c4850bc8d176b3..8ca7cfef742f7bdf4e476cd867058f3a23baa243 100644 (file)
--- a/src/gallium/drivers/nvfx/nvfx_vertprog.c
+++ b/src/gallium/drivers/nvfx/nvfx_vertprog.c
@@ -511,6 +511,19 @@ nvfx_vertprog_parse_instruction(struct nvfx_context* nvfx, struct nvfx_vpc *vpc,
        case TGSI_OPCODE_ARL:
                nvfx_vp_emit(vpc, arith(VEC, ARL, dst, mask, src[0], none, none));
                break;
+       case TGSI_OPCODE_CMP:
+               insn = arith(VEC, MOV, none.reg, mask, src[0], none, none);
+               insn.cc_update = 1;
+               nvfx_vp_emit(vpc, insn);
+
+               insn = arith(VEC, MOV, dst, mask, src[2], none, none);
+               insn.cc_test = NVFX_COND_GE;
+               nvfx_vp_emit(vpc, insn);
+
+               insn = arith(VEC, MOV, dst, mask, src[1], none, none);
+               insn.cc_test = NVFX_COND_LT;
+               nvfx_vp_emit(vpc, insn);
+               break;
        case TGSI_OPCODE_COS:
                nvfx_vp_emit(vpc, arith(SCA, COS, dst, mask, none, none, src[0]));
                break;