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psh: Use input mapping from NV_register_combiners GL extension

This commit is contained in:
Jannik Vogel 2018-08-13 13:17:09 +02:00 committed by mborgerson
parent 65cd1cf9ae
commit c1494de8d3
1 changed files with 11 additions and 9 deletions
hw/xbox/nv2a
nv2a_psh.c

20
hw/xbox/nv2a/nv2a_psh.c
View File

@ -317,25 +317,27 @@ static QString* get_input_var(struct PixelShader *ps, struct InputInfo in, bool
QString *res;
switch (in.mod) {
case PS_INPUTMAPPING_SIGNED_IDENTITY:
case PS_INPUTMAPPING_UNSIGNED_IDENTITY:
qobject_ref(reg);
res = reg;
res = qstring_from_fmt("max(%s, 0.0)", qstring_get_str(reg));
break;
case PS_INPUTMAPPING_UNSIGNED_INVERT:
res = qstring_from_fmt("(1.0 - %s)", qstring_get_str(reg));
res = qstring_from_fmt("(1.0 - clamp(%s, 0.0, 1.0))", qstring_get_str(reg));
break;
case PS_INPUTMAPPING_EXPAND_NORMAL: // TODO: Change to max(0, x)??
res = qstring_from_fmt("(2.0 * %s - 1.0)", qstring_get_str(reg));
case PS_INPUTMAPPING_EXPAND_NORMAL:
res = qstring_from_fmt("(2.0 * max(%s, 0.0) - 1.0)", qstring_get_str(reg));
break;
case PS_INPUTMAPPING_EXPAND_NEGATE:
res = qstring_from_fmt("(1.0 - 2.0 * %s)", qstring_get_str(reg));
res = qstring_from_fmt("(-2.0 * max(%s, 0.0) + 1.0)", qstring_get_str(reg));
break;
case PS_INPUTMAPPING_HALFBIAS_NORMAL:
res = qstring_from_fmt("(%s - 0.5)", qstring_get_str(reg));
res = qstring_from_fmt("(max(%s, 0.0) - 0.5)", qstring_get_str(reg));
break;
case PS_INPUTMAPPING_HALFBIAS_NEGATE:
res = qstring_from_fmt("(0.5 - %s)", qstring_get_str(reg));
res = qstring_from_fmt("(-max(%s, 0.0) + 0.5)", qstring_get_str(reg));
break;
case PS_INPUTMAPPING_SIGNED_IDENTITY:
qobject_ref(reg);
res = reg;
break;
case PS_INPUTMAPPING_SIGNED_NEGATE:
res = qstring_from_fmt("-%s", qstring_get_str(reg));