diff options
| -rw-r--r-- | src/compiler/nir/nir_lower_wpos_ytransform.c | 20 |
1 files changed, 8 insertions, 12 deletions
diff --git a/src/compiler/nir/nir_lower_wpos_ytransform.c b/src/compiler/nir/nir_lower_wpos_ytransform.c index 36e25b933ae..ccf0fd351a7 100644 --- a/src/compiler/nir/nir_lower_wpos_ytransform.c +++ b/src/compiler/nir/nir_lower_wpos_ytransform.c @@ -123,19 +123,15 @@ emit_wpos_adjustment(lower_wpos_ytransform_state *state, * inversion/identity, or the other way around if we're drawing to an FBO. */ if (invert) { - /* MAD wpos_temp.y, wpos_input, wpostrans.xxxx, wpostrans.yyyy - */ - wpos_temp_y = nir_ffma(b, - nir_channel(b, wpos_temp, 1), - nir_channel(b, wpostrans, 0), - nir_channel(b, wpostrans, 1)); + /* wpos_temp.y = wpos_input * wpostrans.xxxx + wpostrans.yyyy */ + wpos_temp_y = nir_fadd(b, nir_fmul(b, nir_channel(b, wpos_temp, 1), + nir_channel(b, wpostrans, 0)), + nir_channel(b, wpostrans, 1)); } else { - /* MAD wpos_temp.y, wpos_input, wpostrans.zzzz, wpostrans.wwww - */ - wpos_temp_y = nir_ffma(b, - nir_channel(b, wpos_temp, 1), - nir_channel(b, wpostrans, 2), - nir_channel(b, wpostrans, 3)); + /* wpos_temp.y = wpos_input * wpostrans.zzzz + wpostrans.wwww */ + wpos_temp_y = nir_fadd(b, nir_fmul(b, nir_channel(b, wpos_temp, 1), + nir_channel(b, wpostrans, 2)), + nir_channel(b, wpostrans, 3)); } wpos_temp = nir_vec4(b, |