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Image format code tweaks.

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This commit is contained in:
Areloch 2018-09-16 17:54:21 -05:00
parent b4a1d18f42
commit 0c3fc59ccc
4 changed files with 83 additions and 4 deletions
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48
Engine/source/gfx/bitmap/bitmapUtils.cpp
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@ -174,9 +174,57 @@ void bitmapExtrudeRGBA_c(const void *srcMip, void *mip, U32 srcHeight, U32 srcWi
}
}
void bitmapExtrudeFPRGBA_c(const void *srcMip, void *mip, U32 srcHeight, U32 srcWidth)
{
const U16 *src = (const U16 *)srcMip;
U16 *dst = (U16 *)mip;
U32 stride = srcHeight != 1 ? (srcWidth) * 8 : 0;
U32 width = srcWidth >> 1;
U32 height = srcHeight >> 1;
if (width == 0) width = 1;
if (height == 0) height = 1;
if (srcWidth != 1)
{
for (U32 y = 0; y < height; y++)
{
for (U32 x = 0; x < width; x++)
{
*dst++ = (U32(*src) + U32(src[4]) + U32(src[stride]) + U32(src[stride + 4]) + 2) >> 2;
src++;
*dst++ = (U32(*src) + U32(src[4]) + U32(src[stride]) + U32(src[stride + 4]) + 2) >> 2;
src++;
*dst++ = (U32(*src) + U32(src[4]) + U32(src[stride]) + U32(src[stride + 4]) + 2) >> 2;
src++;
*dst++ = (U32(*src) + U32(src[4]) + U32(src[stride]) + U32(src[stride + 4]) + 2) >> 2;
src += 5;
}
src += stride; // skip
}
}
else
{
for (U32 y = 0; y < height; y++)
{
*dst++ = (U32(*src) + U32(src[stride]) + 1) >> 1;
src++;
*dst++ = (U32(*src) + U32(src[stride]) + 1) >> 1;
src++;
*dst++ = (U32(*src) + U32(src[stride]) + 1) >> 1;
src++;
*dst++ = (U32(*src) + U32(src[stride]) + 1) >> 1;
src += 5;
src += stride; // skip
}
}
}
void (*bitmapExtrude5551)(const void *srcMip, void *mip, U32 height, U32 width) = bitmapExtrude5551_c;
void (*bitmapExtrudeRGB)(const void *srcMip, void *mip, U32 srcHeight, U32 srcWidth) = bitmapExtrudeRGB_c;
void (*bitmapExtrudeRGBA)(const void *srcMip, void *mip, U32 srcHeight, U32 srcWidth) = bitmapExtrudeRGBA_c;
void (*bitmapExtrudeFPRGBA)(const void *srcMip, void *mip, U32 srcHeight, U32 srcWidth) = bitmapExtrudeFPRGBA_c;
//--------------------------------------------------------------------------