/// <summary>Initializes a new instance of the <see cref="GraphicsBuffer" /> class.</summary>
/// <param name="kind">The buffer kind.</param>
/// <param name="graphicsHeap">The graphics heap on which the buffer was created.</param>
/// <param name="offset">The offset, in bytes, of the buffer in relation to <paramref name="graphicsHeap" />.</param>
/// <param name="size">The size, in bytes, of the buffer.</param>
/// <param name="stride">The size, in bytes, of the elements contained by the buffer.</param>
/// <exception cref="ArgumentNullException"><paramref name="graphicsHeap" /> is <c>null</c>.</exception>
/// <exception cref="ArgumentOutOfRangeException"><paramref name="kind" /> is <see cref="GraphicsBufferKind.Index" /> and <paramref name="stride" /> is not <c>2</c> or <c>4</c>.</exception>
/// <exception cref="ArgumentOutOfRangeException"><paramref name="kind" /> is <see cref="GraphicsBufferKind.Staging" /> and <paramref name="graphicsHeap" /> is not <see cref="GraphicsHeapCpuAccess.Write" />.</exception>
protected GraphicsBuffer(GraphicsBufferKind kind, GraphicsHeap graphicsHeap, ulong offset, ulong size, ulong stride)
: base(graphicsHeap, offset, size)
{
switch (kind)
{
case GraphicsBufferKind.Index:
{
if ((stride != 2) && (stride != 4))
{
ThrowArgumentOutOfRangeException(nameof(stride), stride);
}
break;
}
case GraphicsBufferKind.Staging:
{
if (graphicsHeap.CpuAccess != GraphicsHeapCpuAccess.Write)
{
ThrowArgumentOutOfRangeException(nameof(graphicsHeap), graphicsHeap);
}
break;
}
}
_stride = stride;
_kind = kind;
}
/// <summary>Initializes a new instance of the <see cref="GraphicsTexture" /> class.</summary>
/// <param name="kind">The texture kind.</param>
/// <param name="graphicsHeap">The graphics heap on which the texture was created.</param>
/// <param name="offset">The offset, in bytes, of the texture in relation to <paramref name="graphicsHeap" />.</param>
/// <param name="size">The size, in bytes, of the texture.</param>
/// <param name="width">The width, in pixels, of the texture.</param>
/// <param name="height">The height, in pixels, of the texture.</param>
/// <param name="depth">The depth, in pixels, of the texture.</param>
/// <exception cref="ArgumentNullException"><paramref name="graphicsHeap" /> is <c>null</c>.</exception>
protected GraphicsTexture(GraphicsTextureKind kind, GraphicsHeap graphicsHeap, ulong offset, ulong size, ulong width, uint height, ushort depth)
: base(graphicsHeap, offset, size)
{
_width = width;
_height = height;
_depth = depth;
_kind = kind;
}
/// <summary>Initializes a new instance of the <see cref="GraphicsResource" /> class.</summary>
/// <param name="graphicsHeap">The graphics heap on which the resource was created.</param>
/// <param name="offset">The offset, in bytes, of the resource in relation to <paramref name="graphicsHeap" />.</param>
/// <param name="size">The size, in bytes, of the resource.</param>
/// <exception cref="ArgumentNullException"><paramref name="graphicsHeap" /> is <c>null</c>.</exception>
private protected GraphicsResource(GraphicsHeap graphicsHeap, ulong offset, ulong size)
{
ThrowIfNull(graphicsHeap, nameof(graphicsHeap));
_graphicsHeap = graphicsHeap;
_offset = offset;
_size = size;
}
