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GS: Improve FixedTEX0 accuracy

This commit is contained in:
refractionpcsx2 2021-11-20 05:01:42 +00:00
parent d60c66deee
commit 5803cc441e
1 changed files with 4 additions and 4 deletions
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8
pcsx2/GS/GSDrawingContext.cpp
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@ -56,7 +56,7 @@ static int findmax(int tl, int br, int limit, int wm, int minuv, int maxuv)
static int reduce(int uv, int size)
{
while (size > 3 && (1 << (size - 1)) >= uv + 1)
while (size > 3 && (1 << (size - 1)) >= uv)
{
size--;
}
@ -66,7 +66,7 @@ static int reduce(int uv, int size)
static int extend(int uv, int size)
{
while (size < 10 && (1 << size) < uv + 1)
while (size < 10 && (1 << size) < uv)
{
size++;
}
@ -99,7 +99,7 @@ GIFRegTEX0 GSDrawingContext::GetSizeFixedTEX0(const GSVector4& st, bool linear,
uvf += GSVector4(-0.5f, 0.5f).xxyy();
}
GSVector4i uv = GSVector4i(uvf.floor());
GSVector4i uv = GSVector4i(uvf.floor().xyzw(uvf.ceil()));
uv.x = findmax(uv.x, uv.z, (1 << tw) - 1, wms, minu, maxu);
uv.y = findmax(uv.y, uv.w, (1 << th) - 1, wmt, minv, maxv);
@ -154,7 +154,7 @@ void GSDrawingContext::ComputeFixedTEX0(const GSVector4& st)
int maxu = (int)CLAMP.MAXU;
int maxv = (int)CLAMP.MAXV;
GSVector4i uv = GSVector4i(st.floor());
GSVector4i uv = GSVector4i(st.floor().xyzw(st.ceil()));
uv.x = findmax(uv.x, uv.z, (1 << TEX0.TW) - 1, wms, minu, maxu);
uv.y = findmax(uv.y, uv.w, (1 << TEX0.TH) - 1, wmt, minv, maxv);