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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
View file

@ -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;
//--------------------------------------------------------------------------

1
Engine/source/gfx/bitmap/bitmapUtils.h
View file

@ -30,6 +30,7 @@
extern void (*bitmapExtrude5551)(const void *srcMip, void *mip, U32 height, U32 width);
extern void (*bitmapExtrudeRGB)(const void *srcMip, void *mip, U32 height, U32 width);
extern void (*bitmapExtrudeRGBA)(const void *srcMip, void *mip, U32 height, U32 width);
extern void(*bitmapExtrudeFPRGBA)(const void *srcMip, void *mip, U32 height, U32 width);
extern void (*bitmapConvertRGB_to_5551)(U8 *src, U32 pixels);
extern void (*bitmapConvertRGB_to_1555)(U8 *src, U32 pixels);
extern void (*bitmapConvertRGB_to_RGBX)( U8 **src, U32 pixels );

29
Engine/source/gfx/bitmap/ddsFile.cpp
View file

@ -294,7 +294,34 @@ bool DDSFile::readHeader(Stream &s)
mFlags.set(CompressedData);
else
{
mBytesPerPixel = header.ddspf.bpp / 8;
switch (header.ddspf.fourCC)
{
case 36: // D3DFMT_A16B16G16R16
mBytesPerPixel = 8;
break;
case 110: // D3DFMT_Q16W16V16U16
mBytesPerPixel = 8;
break;
case 111: // D3DFMT_R16F
mBytesPerPixel = 2;
break;
case 112: // D3DFMT_G16R16F
mBytesPerPixel = 4;
break;
case 113: // D3DFMT_A16B16G16R16F
mBytesPerPixel = 8;
break;
case 114: // D3DFMT_R32F
mBytesPerPixel = 4;
break;
case 115: // D3DFMT_G32R32F
mBytesPerPixel = 8;
break;
case 116: // D3DFMT_A32B32G32R32F
mBytesPerPixel = 16;
break;
}
mFlags.set(RGBData);
}
}

9
Engine/source/gfx/bitmap/gBitmap.cpp
View file

@ -301,9 +301,12 @@ void GBitmap::allocateBitmap(const U32 in_width, const U32 in_height, const bool
case GFXFormatR5G6B5:
case GFXFormatR5G5B5A1: mBytesPerPixel = 2;
break;
default:
AssertFatal(false, "GBitmap::GBitmap: misunderstood format specifier");
break;
case GFXFormatR16G16B16A16F:
case GFXFormatR16G16B16A16: mBytesPerPixel = 8;
break;
default:
AssertFatal(false, "GBitmap::GBitmap: misunderstood format specifier");
break;
}
// Set up the mip levels, if necessary...