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BizHawk
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Flip me upside down

This commit is contained in:
nattthebear 2015-07-21 20:42:22 -04:00
parent dca259fff2
commit db372b993e
1 changed files with 39 additions and 12 deletions
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51
BizHawk.Client.Common/QuickBmpFile.cs
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@ -143,22 +143,49 @@ namespace BizHawk.Client.Common
}
}
unsafe static void Blit_Any_NoFlip(BMP src, BMP dst)
{
int w = dst.Width;
int h = dst.Height;
int in_w = src.Width;
int in_h = src.Height;
int* sp = src.Data;
int* dp = dst.Data;
for (int j = 0; j < h; j++)
{
sp = src.Data + in_w * (j * in_h / h);
for (int i = 0; i < w; i++)
{
dp[i] = sp[i * in_w / w];
}
dp += w;
}
}
public unsafe static void Copy(IVideoProvider src, IVideoProvider dst)
{
fixed (int* srcp = src.GetVideoBuffer(), dstp = dst.GetVideoBuffer())
if (src.BufferWidth == dst.BufferWidth && src.BufferHeight == dst.BufferHeight)
{
Blit(new BMP
Array.Copy(src.GetVideoBuffer(), dst.GetVideoBuffer(), src.GetVideoBuffer().Length);
}
else
{
fixed (int* srcp = src.GetVideoBuffer(), dstp = dst.GetVideoBuffer())
{
Data = srcp,
Width = src.BufferWidth,
Height = src.BufferHeight
},
new BMP
{
Data = dstp,
Width = dst.BufferWidth,
Height = dst.BufferHeight
});
Blit_Any_NoFlip(new BMP
{
Data = srcp,
Width = src.BufferWidth,
Height = src.BufferHeight
},
new BMP
{
Data = dstp,
Width = dst.BufferWidth,
Height = dst.BufferHeight
});
}
}
}