public static bool Equals(ref RenderTargetViewDescription desc1, ref RenderTargetViewDescription desc2)
{
switch (desc1.Dimension)
{
case RenderTargetViewDimension.Unknown:
return desc2.Dimension == RenderTargetViewDimension.Unknown;
case RenderTargetViewDimension.Buffer:
return desc2.Dimension == RenderTargetViewDimension.Buffer &&
desc1.FormatID == desc2.FormatID &&
desc1.ElementOffset == desc2.ElementOffset &&
desc1.ElementWidth == desc2.ElementWidth;
case RenderTargetViewDimension.Texture1D:
return desc2.Dimension == RenderTargetViewDimension.Texture1D &&
desc1.FormatID == desc2.FormatID &&
desc1.MipSlice == desc2.MipSlice;
case RenderTargetViewDimension.Texture1DArray:
return desc2.Dimension == RenderTargetViewDimension.Texture1DArray &&
desc1.FormatID == desc2.FormatID &&
desc1.MipSlice == desc2.MipSlice &&
desc1.FirstArraySlice == desc2.FirstArraySlice &&
desc1.ArraySize == desc2.ArraySize;
case RenderTargetViewDimension.Texture2D:
return desc2.Dimension == RenderTargetViewDimension.Texture2D &&
desc1.FormatID == desc2.FormatID &&
desc1.MipSlice == desc2.MipSlice;
case RenderTargetViewDimension.Texture2DArray:
return desc2.Dimension == RenderTargetViewDimension.Texture2DArray &&
desc1.FormatID == desc2.FormatID &&
desc1.MipSlice == desc2.MipSlice &&
desc1.FirstArraySlice == desc2.FirstArraySlice &&
desc1.ArraySize == desc2.ArraySize;
case RenderTargetViewDimension.Texture2DMultisampled:
return desc2.Dimension == RenderTargetViewDimension.Texture2DMultisampled &&
desc1.FormatID == desc2.FormatID;
case RenderTargetViewDimension.Texture2DMultisampledArray:
return desc2.Dimension == RenderTargetViewDimension.Texture2DMultisampledArray &&
desc1.FormatID == desc2.FormatID &&
desc1.FirstArraySlice == desc2.FirstArraySlice &&
desc1.ArraySize == desc2.ArraySize;
case RenderTargetViewDimension.Texture3D:
return desc2.Dimension == RenderTargetViewDimension.Texture3D &&
desc1.FormatID == desc2.FormatID &&
desc1.MipSlice == desc2.MipSlice &&
desc1.FirstDepthSlice == desc2.FirstDepthSlice &&
desc1.DepthSliceCount == desc2.DepthSliceCount;
default: throw new ShouldNeverHappenException();
}
}
IRenderTargetView GetRtv(ref RenderTargetViewDescription viewDesc)
{
CRenderTargetView view = null;
foreach (var v in rtvs) { if (v.DescEquals(ref viewDesc)) { view = v; break; } }
if (view == null)
{
view = new CRenderTargetView(this, GetSurfaceLevel(viewDesc.FirstArraySlice, viewDesc.MipSlice), ref viewDesc);
rtvs.Add(view);
}
return view;
}
public static void CreateForTexture3D(int formatID, int mipSlice, int firstDepthSlice, int depthSliceCount, out RenderTargetViewDescription desc)
{
desc = new RenderTargetViewDescription
{
Dimension = RenderTargetViewDimension.Texture3D,
FormatID = formatID,
MipSlice = mipSlice,
FirstDepthSlice = firstDepthSlice,
DepthSliceCount = depthSliceCount
};
}
public static void CreateForTexture2DMultisampledArray(int formatID, int firstArraySlice, int arraySize, out RenderTargetViewDescription desc)
{
desc = new RenderTargetViewDescription
{
Dimension = RenderTargetViewDimension.Texture2DMultisampledArray,
FormatID = formatID,
FirstArraySlice = firstArraySlice,
ArraySize = arraySize
};
}
public static void CreateForTexture2DMultisampled(int formatID, out RenderTargetViewDescription desc)
{
desc = new RenderTargetViewDescription
{
Dimension = RenderTargetViewDimension.Texture2DMultisampled,
FormatID = formatID
};
}
public static void CreateForTexture2D(int formatID, int mipSlice, out RenderTargetViewDescription desc)
{
desc = new RenderTargetViewDescription
{
Dimension = RenderTargetViewDimension.Texture2D,
FormatID = formatID,
MipSlice = mipSlice
};
}
public static void CreateForBuffer(int formatID, int elementOffset, int elementWidth, out RenderTargetViewDescription desc)
{
desc = new RenderTargetViewDescription
{
Dimension = RenderTargetViewDimension.Buffer,
FormatID = formatID,
ElementOffset = elementOffset,
ElementWidth = elementWidth
};
}
