mirror of
https://github.com/stenzek/duckstation.git
synced 2025-07-23 10:30:23 +00:00
GPU/HW: Work around fxc uninitialized variable false positive
This commit is contained in:
Stenzek
parent
824b91a1f8
commit
ac0c4544e1
@ -901,86 +901,68 @@ void FilteredSampleFromVRAM(TEXPAGE_VALUE texpage, float2 coords, float4 uv_limi
|
||||
uint Bl = luma(B), Dl = luma(D), El = luma(E), Fl = luma(F), Hl = luma(H);
|
||||
|
||||
#if MMPX_ENHANCED
|
||||
// Default to use center pixel E
|
||||
ialpha = float(E != 0u);
|
||||
texcol = unpackUnorm4x8(E);
|
||||
|
||||
// Check for "convex" patterns to avoid single-pixel spurs on long line edges
|
||||
if (A == B && B == C && E == H && A != D && C != F && rgb_distance(D, F) < 0.2 && rgb_distance(B, E) > 0.6) {
|
||||
return;
|
||||
}
|
||||
if (
|
||||
// Check for "convex" patterns to avoid single-pixel spurs on long line edges
|
||||
(A == B && B == C && E == H && A != D && C != F && rgb_distance(D, F) < 0.2 && rgb_distance(B, E) > 0.6) ||
|
||||
(A == D && D == G && E == F && A != B && G != H && rgb_distance(B, H) < 0.2 && rgb_distance(D, E) > 0.6) ||
|
||||
(C == F && F == I && E == D && B != C && H != I && rgb_distance(B, H) < 0.2 && rgb_distance(E, F) > 0.6) ||
|
||||
(G == H && H == I && B == E && D != G && F != I && rgb_distance(D, F) < 0.2 && rgb_distance(E, H) > 0.6) ||
|
||||
|
||||
if (A == D && D == G && E == F && A != B && G != H && rgb_distance(B, H) < 0.2 && rgb_distance(D, E) > 0.6) {
|
||||
return;
|
||||
}
|
||||
// Check each 4-pixel intersection in a "grid" pattern and pass five surrounding pixels for pattern judgment
|
||||
(A == E && B == D && A != B && countPatternMatches(A, B, C, F, I, H, G)) ||
|
||||
(C == E && B == F && C != B && countPatternMatches(C, B, A, D, G, H, I)) ||
|
||||
(G == E && D == H && G != H && countPatternMatches(G, H, I, F, C, B, A)) ||
|
||||
(I == E && F == H && I != H && countPatternMatches(I, H, G, D, A, B, C))
|
||||
) {
|
||||
// Default to use center pixel E
|
||||
// Fall through, J/K/L/M are already set to E. Setting the outputs here bugs out fxc.
|
||||
} else {
|
||||
#endif
|
||||
// Original MMPX logic
|
||||
|
||||
if (C == F && F == I && E == D && B != C && H != I && rgb_distance(B, H) < 0.2 && rgb_distance(E, F) > 0.6) {
|
||||
return;
|
||||
}
|
||||
// 1:1 slope rules
|
||||
if ((D == B && D != H && D != F) && (El >= Dl || E == A) && any_eq3(E, A, C, G) && ((El < Dl) || A != D || E != P || E != Q)) J = D;
|
||||
if ((B == F && B != D && B != H) && (El >= Bl || E == C) && any_eq3(E, A, C, I) && ((El < Bl) || C != B || E != P || E != R)) K = B;
|
||||
if ((H == D && H != F && H != B) && (El >= Hl || E == G) && any_eq3(E, A, G, I) && ((El < Hl) || G != H || E != S || E != Q)) L = H;
|
||||
if ((F == H && F != B && F != D) && (El >= Fl || E == I) && any_eq3(E, C, G, I) && ((El < Fl) || I != H || E != R || E != S)) M = F;
|
||||
|
||||
if (G == H && H == I && B == E && D != G && F != I && rgb_distance(D, F) < 0.2 && rgb_distance(E, H) > 0.6) {
|
||||
return;
|
||||
}
|
||||
// Intersection rules
|
||||
if ((E != F && all_eq4(E, C, I, D, Q) && all_eq2(F, B, H)) && (F != src(+3, +0))) K = M = F;
|
||||
if ((E != D && all_eq4(E, A, G, F, R) && all_eq2(D, B, H)) && (D != src(-3, +0))) J = L = D;
|
||||
if ((E != H && all_eq4(E, G, I, B, P) && all_eq2(H, D, F)) && (H != src(+0, +3))) L = M = H;
|
||||
if ((E != B && all_eq4(E, A, C, H, S) && all_eq2(B, D, F)) && (B != src(+0, -3))) J = K = B;
|
||||
if (Bl < El && all_eq4(E, G, H, I, S) && none_eq4(E, A, D, C, F)) J = K = B;
|
||||
if (Hl < El && all_eq4(E, A, B, C, P) && none_eq4(E, D, G, I, F)) L = M = H;
|
||||
if (Fl < El && all_eq4(E, A, D, G, Q) && none_eq4(E, B, C, I, H)) K = M = F;
|
||||
if (Dl < El && all_eq4(E, C, F, I, R) && none_eq4(E, B, A, G, H)) J = L = D;
|
||||
|
||||
// Check each 4-pixel intersection in a "grid" pattern and pass five surrounding pixels for pattern judgment
|
||||
if (A == E && B == D && A != B && countPatternMatches(A, B, C, F, I, H, G)) {
|
||||
return;
|
||||
}
|
||||
if (C == E && B == F && C != B && countPatternMatches(C, B, A, D, G, H, I)) {
|
||||
return;
|
||||
}
|
||||
// 2:1 slope rules
|
||||
if (H != B) {
|
||||
if (H != A && H != E && H != C) {
|
||||
if (all_eq3(H, G, F, R) && none_eq2(H, D, src(+2, -1))) L = M;
|
||||
if (all_eq3(H, I, D, Q) && none_eq2(H, F, src(-2, -1))) M = L;
|
||||
}
|
||||
|
||||
if (G == E && D == H && G != H && countPatternMatches(G, H, I, F, C, B, A)) {
|
||||
return;
|
||||
}
|
||||
if (B != I && B != G && B != E) {
|
||||
if (all_eq3(B, A, F, R) && none_eq2(B, D, src(+2, +1))) J = K;
|
||||
if (all_eq3(B, C, D, Q) && none_eq2(B, F, src(-2, +1))) K = J;
|
||||
}
|
||||
} // H !== B
|
||||
|
||||
if (I == E && F == H && I != H && countPatternMatches(I, H, G, D, A, B, C)) {
|
||||
return;
|
||||
if (F != D) {
|
||||
if (D != I && D != E && D != C) {
|
||||
if (all_eq3(D, A, H, S) && none_eq2(D, B, src(+1, +2))) J = L;
|
||||
if (all_eq3(D, G, B, P) && none_eq2(D, H, src(+1, -2))) L = J;
|
||||
}
|
||||
|
||||
if (F != E && F != A && F != G) {
|
||||
if (all_eq3(F, C, H, S) && none_eq2(F, B, src(-1, +2))) K = M;
|
||||
if (all_eq3(F, I, B, P) && none_eq2(F, H, src(-1, -2))) M = K;
|
||||
}
|
||||
} // F !== D
|
||||
#if MMPX_ENHANCED
|
||||
}
|
||||
#endif
|
||||
|
||||
// Original MMPX logic
|
||||
|
||||
// 1:1 slope rules
|
||||
if ((D == B && D != H && D != F) && (El >= Dl || E == A) && any_eq3(E, A, C, G) && ((El < Dl) || A != D || E != P || E != Q)) J = D;
|
||||
if ((B == F && B != D && B != H) && (El >= Bl || E == C) && any_eq3(E, A, C, I) && ((El < Bl) || C != B || E != P || E != R)) K = B;
|
||||
if ((H == D && H != F && H != B) && (El >= Hl || E == G) && any_eq3(E, A, G, I) && ((El < Hl) || G != H || E != S || E != Q)) L = H;
|
||||
if ((F == H && F != B && F != D) && (El >= Fl || E == I) && any_eq3(E, C, G, I) && ((El < Fl) || I != H || E != R || E != S)) M = F;
|
||||
|
||||
// Intersection rules
|
||||
if ((E != F && all_eq4(E, C, I, D, Q) && all_eq2(F, B, H)) && (F != src(+3, +0))) K = M = F;
|
||||
if ((E != D && all_eq4(E, A, G, F, R) && all_eq2(D, B, H)) && (D != src(-3, +0))) J = L = D;
|
||||
if ((E != H && all_eq4(E, G, I, B, P) && all_eq2(H, D, F)) && (H != src(+0, +3))) L = M = H;
|
||||
if ((E != B && all_eq4(E, A, C, H, S) && all_eq2(B, D, F)) && (B != src(+0, -3))) J = K = B;
|
||||
if (Bl < El && all_eq4(E, G, H, I, S) && none_eq4(E, A, D, C, F)) J = K = B;
|
||||
if (Hl < El && all_eq4(E, A, B, C, P) && none_eq4(E, D, G, I, F)) L = M = H;
|
||||
if (Fl < El && all_eq4(E, A, D, G, Q) && none_eq4(E, B, C, I, H)) K = M = F;
|
||||
if (Dl < El && all_eq4(E, C, F, I, R) && none_eq4(E, B, A, G, H)) J = L = D;
|
||||
|
||||
// 2:1 slope rules
|
||||
if (H != B) {
|
||||
if (H != A && H != E && H != C) {
|
||||
if (all_eq3(H, G, F, R) && none_eq2(H, D, src(+2, -1))) L = M;
|
||||
if (all_eq3(H, I, D, Q) && none_eq2(H, F, src(-2, -1))) M = L;
|
||||
}
|
||||
|
||||
if (B != I && B != G && B != E) {
|
||||
if (all_eq3(B, A, F, R) && none_eq2(B, D, src(+2, +1))) J = K;
|
||||
if (all_eq3(B, C, D, Q) && none_eq2(B, F, src(-2, +1))) K = J;
|
||||
}
|
||||
} // H !== B
|
||||
|
||||
if (F != D) {
|
||||
if (D != I && D != E && D != C) {
|
||||
if (all_eq3(D, A, H, S) && none_eq2(D, B, src(+1, +2))) J = L;
|
||||
if (all_eq3(D, G, B, P) && none_eq2(D, H, src(+1, -2))) L = J;
|
||||
}
|
||||
|
||||
if (F != E && F != A && F != G) {
|
||||
if (all_eq3(F, C, H, S) && none_eq2(F, B, src(-1, +2))) K = M;
|
||||
if (all_eq3(F, I, B, P) && none_eq2(F, H, src(-1, -2))) M = K;
|
||||
}
|
||||
} // F !== D
|
||||
} // not constant
|
||||
|
||||
// select quadrant based on fractional part of texture coordinates
|
||||
|
||||
Loading…
x
Reference in New Issue
Block a user