nv50: implement TGSI_OPCODE_AND/OR/XOR

Will use AND for gl_FrontFacing, the face input
is either 0 or 0xffffffff.

diff --git a/src/gallium/drivers/nv50/nv50_program.c b/src/gallium/drivers/nv50/nv50_program.c
index faf638949f434198eef403dba0ba6355eb803659..5944a0b7ff114b53f5e95d9799d57d0df17e9c94 100644 (file)
--- a/src/gallium/drivers/nv50/nv50_program.c
+++ b/src/gallium/drivers/nv50/nv50_program.c
@@ -890,6 +890,43 @@ emit_sub(struct nv50_pc *pc, struct nv50_reg *dst, struct nv50_reg *src0,
        src1->neg ^= 1;
 }
 
+static void
+emit_bitop2(struct nv50_pc *pc, struct nv50_reg *dst, struct nv50_reg *src0,
+           struct nv50_reg *src1, unsigned op)
+{
+       struct nv50_program_exec *e = exec(pc);
+
+       e->inst[0] = 0xd0000000;
+       set_long(pc, e);
+
+       check_swap_src_0_1(pc, &src0, &src1);
+       set_dst(pc, dst, e);
+       set_src_0(pc, src0, e);
+
+       if (op != TGSI_OPCODE_AND && op != TGSI_OPCODE_OR &&
+           op != TGSI_OPCODE_XOR)
+               assert(!"invalid bit op");
+
+       if (src1->type == P_IMMD && src0->type == P_TEMP && pc->allow32) {
+               set_immd(pc, src1, e);
+               if (op == TGSI_OPCODE_OR)
+                       e->inst[0] |= 0x0100;
+               else
+               if (op == TGSI_OPCODE_XOR)
+                       e->inst[0] |= 0x8000;
+       } else {
+               set_src_1(pc, src1, e);
+               e->inst[1] |= 0x04000000; /* 32 bit */
+               if (op == TGSI_OPCODE_OR)
+                       e->inst[1] |= 0x4000;
+               else
+               if (op == TGSI_OPCODE_XOR)
+                       e->inst[1] |= 0x8000;
+       }
+
+       emit(pc, e);
+}
+
 static void
 emit_mad(struct nv50_pc *pc, struct nv50_reg *dst, struct nv50_reg *src0,
         struct nv50_reg *src1, struct nv50_reg *src2)
@@ -1838,6 +1875,16 @@ nv50_program_tx_insn(struct nv50_pc *pc,
                        emit_add(pc, dst[c], src[0][c], src[1][c]);
                }
                break;
+       case TGSI_OPCODE_AND:
+       case TGSI_OPCODE_XOR:
+       case TGSI_OPCODE_OR:
+               for (c = 0; c < 4; c++) {
+                       if (!(mask & (1 << c)))
+                               continue;
+                       emit_bitop2(pc, dst[c], src[0][c], src[1][c],
+                                   inst->Instruction.Opcode);
+               }
+               break;
        case TGSI_OPCODE_ARL:
                assert(src[0][0]);
                temp = temp_temp(pc);