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softgpu: Add support for RGB565, RGBA5111 and RGBA8888 textures.

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Tony Wasserka 2013-06-26 15:57:19 +02:00 • committed by neobrain
parent f26d66e972
commit b5181c9f4f
1 changed files with 28 additions and 0 deletions
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28
GPU/Software/Rasterizer.cpp
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@ -57,6 +57,34 @@ u32 SampleNearest(int level, float s, float t)
b = (b << 4) | b;
a = (a << 4) | a;
return (r << 24) | (g << 16) | (b << 8) | a;
} else if (texfmt == GE_TFMT_5551) {
srcptr += 2 * v * width + 2 * u;
u8 r = (*srcptr) & 0x1F;
u8 g = (((*srcptr) & 0xE0) >> 5) | (((*(srcptr+1))&0x3) << 3);
u8 b = ((*srcptr+1) & 0x7C) >> 2;
u8 a = (*(srcptr+1)) >> 7;
r = (r << 3) | (r >> 2);
g = (g << 3) | (g >> 2);
b = (b << 3) | (b >> 2);
a = (a) ? 0xff : 0;
return (r << 24) | (g << 16) | (b << 8) | a;
} else if (texfmt == GE_TFMT_5650) {
srcptr += 2 * v * width + 2 * u;
u8 r = (*srcptr) & 0x1F;
u8 g = (((*srcptr) & 0xE0) >> 5) | (((*(srcptr+1))&0x7) << 3);
u8 b = ((*srcptr+1) & 0xF8) >> 3;
u8 a = 0xff;
r = (r << 3) | (r >> 2);
g = (g << 2) | (g >> 4);
b = (b << 3) | (b >> 2);
return (r << 24) | (g << 16) | (b << 8) | a;
} else if (texfmt == GE_TFMT_8888) {
srcptr += 4 * v * width + 4 * u;
u8 r = *srcptr++;
u8 g = *srcptr++;
u8 b = *srcptr++;
u8 a = *srcptr++;
return (r << 24) | (g << 16) | (b << 8) | a;
}
}