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Render Panel - some tiny speedups

This commit is contained in:
adelikat 2012-08-11 22:38:40 +00:00
parent 1fcc6a24a5
commit 379e724d34
1 changed files with 3 additions and 3 deletions
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6
BizHawk.MultiClient/RenderPanel.cs
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@ -91,16 +91,16 @@ namespace BizHawk.MultiClient
if (imageWidth == textureWidth)
{
// Widths are the same, just dump the data across (easy!)
Data.WriteRange(surface.PixelIntPtr, imageWidth * imageHeight * 4);
Data.WriteRange(surface.PixelIntPtr, imageWidth * imageHeight << 2);
}
else
{
// Widths are different, need a bit of additional magic here to make them fit:
long RowSeekOffset = 4 * (textureWidth - imageWidth);
long RowSeekOffset = (textureWidth - imageWidth) << 2;
for (int r = 0, s = 0; r < imageHeight; ++r, s += imageWidth)
{
IntPtr src = new IntPtr(((byte*)surface.PixelPtr + r*surface.Stride));
Data.WriteRange(src,imageWidth * 4);
Data.WriteRange(src,imageWidth << 2);
Data.Seek(RowSeekOffset, SeekOrigin.Current);
}
}