public void UpdateTexture(Texture texture)
{
lock (FLockTexture)
{
if (!InputOK)
{
return;
}
if (!FNeedsRefresh.ContainsKey(texture))
{
FNeedsTexture = true;
return;
}
if (!FNeedsRefresh[texture])
{
return;
}
if (FInput.ImageAttributesChanged)
{
//reset flag we just dropped
FInput.ImageAttributesChanged = true;
return;
}
Surface srf = texture.GetSurfaceLevel(0);
DataRectangle rect = srf.LockRectangle(LockFlags.Discard);
try
{
Size imageSize = FNeedsConversion ? FBufferConverted.ImageAttributes.Size : FInput.ImageAttributes.Size;
if (srf.Description.Width != imageSize.Width || srf.Description.Height != imageSize.Height)
{
throw (new Exception("AsTextureInstance : srf dimensions don't match image dimensions"));
}
if (FNeedsConversion)
{
FInput.GetImage(FBufferConverted);
FBufferConverted.Swap();
FBufferConverted.LockForReading();
try
{
if (!FBufferConverted.FrontImage.Allocated)
{
throw (new Exception());
}
rect.Data.WriteRange(FBufferConverted.FrontImage.Data, FBufferConverted.ImageAttributes.BytesPerFrame);
FNeedsRefresh[texture] = false;
}
catch (Exception e)
{
ImageUtils.Log(e);
}
finally
{
FBufferConverted.ReleaseForReading();
}
}
else
{
FInput.LockForReading();
try
{
rect.Data.WriteRange(FInput.Data, FInput.ImageAttributes.BytesPerFrame);
FNeedsRefresh[texture] = false;
}
catch (Exception e)
{
ImageUtils.Log(e);
}
finally
{
FInput.ReleaseForReading();
}
}
}
catch (Exception e)
{
throw (e);
}
finally
{
srf.UnlockRectangle();
}
}
}
