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Fix softgpu's 4444 color conversion.

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And use the standard 4->8 swizzling funcs (more self documenting.)
This commit is contained in:
Unknown W. Brackets 2013-08-17 17:33:10 -07:00
parent 8516b562e2
commit ff9cff08ed
1 changed files with 10 additions and 20 deletions
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30
GPU/Software/Colors.h
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@ -21,39 +21,29 @@
static inline u32 DecodeRGBA4444(u16 src)
{
u8 r = (src>>12) & 0x0F;
u8 g = (src>>8) & 0x0F;
u8 b = (src>>4) & 0x0F;
u8 a = (src>>0) & 0x0F;
r = (r << 4) | r;
g = (g << 4) | g;
b = (b << 4) | b;
a = (a << 4) | a;
u8 r = Convert4To8((src >> 0) & 0x0f);
u8 g = Convert4To8((src >> 4) & 0x0f);
u8 b = Convert4To8((src >> 8) & 0x0f);
u8 a = Convert4To8((src >> 12) & 0x0f);
return (a << 24) | (b << 16) | (g << 8) | r;
}
static inline u32 DecodeRGBA5551(u16 src)
{
u8 r = src & 0x1F;
u8 g = (src >> 5) & 0x1F;
u8 b = (src >> 10) & 0x1F;
u8 r = Convert5To8((src >> 0) & 0x1F);
u8 g = Convert5To8((src >> 5) & 0x1F);
u8 b = Convert5To8((src >> 10) & 0x1F);
u8 a = (src >> 15) & 0x1;
r = (r << 3) | (r >> 2);
g = (g << 3) | (g >> 2);
b = (b << 3) | (b >> 2);
a = (a) ? 0xff : 0;
return (a << 24) | (b << 16) | (g << 8) | r;
}
static inline u32 DecodeRGB565(u16 src)
{
u8 r = src & 0x1F;
u8 g = (src >> 5) & 0x3F;
u8 b = (src >> 11) & 0x1F;
u8 r = Convert5To8((src >> 0) & 0x1F);
u8 g = Convert6To8((src >> 5) & 0x3F);
u8 b = Convert5To8((src >> 11) & 0x1F);
u8 a = 0xFF;
r = (r << 3) | (r >> 2);
g = (g << 2) | (g >> 4);
b = (b << 3) | (b >> 2);
return (a << 24) | (b << 16) | (g << 8) | r;
}