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Clamp morph colors in non-vertexjit.

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Not sure if any platforms use this...
This commit is contained in:
Unknown W. Brackets 2014-03-29 01:53:28 -07:00
parent 717c1cd34e
commit 18f6407705
2 changed files with 16 additions and 4 deletions
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8
GPU/GLES/VertexDecoder.cpp
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@ -263,7 +263,7 @@ void VertexDecoder::Step_Color565Morph() const
}
u8 *c = decoded_ + decFmt.c0off;
for (int i = 0; i < 3; i++) {
c[i] = (u8)col[i];
c[i] = clamp_u8((int)col[i]);
}
c[3] = 255;
// Always full alpha.
@ -283,7 +283,7 @@ void VertexDecoder::Step_Color5551Morph() const
}
u8 *c = decoded_ + decFmt.c0off;
for (int i = 0; i < 4; i++) {
c[i] = (u8)col[i];
c[i] = clamp_u8((int)col[i]);
}
gstate_c.vertexFullAlpha = gstate_c.vertexFullAlpha && c[3] == 255;
}
@ -300,7 +300,7 @@ void VertexDecoder::Step_Color4444Morph() const
}
u8 *c = decoded_ + decFmt.c0off;
for (int i = 0; i < 4; i++) {
c[i] = (u8)col[i];
c[i] = clamp_u8((int)col[i]);
}
gstate_c.vertexFullAlpha = gstate_c.vertexFullAlpha && c[3] == 255;
}
@ -317,7 +317,7 @@ void VertexDecoder::Step_Color8888Morph() const
}
u8 *c = decoded_ + decFmt.c0off;
for (int i = 0; i < 4; i++) {
c[i] = (u8)(col[i]);
c[i] = clamp_u8((int)col[i]);
}
gstate_c.vertexFullAlpha = gstate_c.vertexFullAlpha && c[3] == 255;
}

12
Globals.h
View File

@ -48,6 +48,18 @@ inline u8 Convert6To8(u8 v)
return (v << 2) | (v >> 4);
}
static inline u8 clamp_u8(int i) {
#ifdef ARM
asm("usat %0, #8, %1" : "=r"(i) : "r"(i));
#else
if (i > 255)
return 255;
if (i < 0)
return 0;
#endif
return i;
}
static inline s16 clamp_s16(int i) {
#ifdef ARM
asm("ssat %0, #16, %1" : "=r"(i) : "r"(i));