diff options
Diffstat (limited to 'src/gallium/drivers/nvc0/nvc0_tgsi_to_nc.c')
| -rw-r--r-- | src/gallium/drivers/nvc0/nvc0_tgsi_to_nc.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/src/gallium/drivers/nvc0/nvc0_tgsi_to_nc.c b/src/gallium/drivers/nvc0/nvc0_tgsi_to_nc.c index 26f9e735fb..8a20983a7e 100644 --- a/src/gallium/drivers/nvc0/nvc0_tgsi_to_nc.c +++ b/src/gallium/drivers/nvc0/nvc0_tgsi_to_nc.c @@ -963,8 +963,10 @@ bld_interp(struct bld_context *bld, unsigned mode, struct nv_value *val) if (val->reg.address == 0x3fc) { /* gl_FrontFacing: 0/~0 to -1.0/+1.0 */ val = bld_insn_1(bld, NV_OP_LINTERP, val); + val->insn->flat = 1; val = bld_insn_2(bld, NV_OP_SHL, val, bld_imm_u32(bld, 31)); val = bld_insn_2(bld, NV_OP_XOR, val, bld_imm_f32(bld, -1.0f)); + return val; } else if (mode == NVC0_INTERP_PERSPECTIVE) { val = bld_insn_2(bld, NV_OP_PINTERP, val, bld->frag_coord[3]); |