internal Texture2D(GraphicsDevice graphicsDevice, int width, int height, TextureFormat format, int arraySize, bool isRenderTarget, bool generateMipMaps, ResourceUsage usage = ResourceUsage.Normal, params DataRectangle[] data)
: base(graphicsDevice, new StackTrace(1))
{
if (width <= 0)
{
throw new ArgumentOutOfRangeException("width", "Width must be positive.");
}
if (height <= 0)
{
throw new ArgumentOutOfRangeException("height", "Height must be positive.");
}
if (format == TextureFormat.Unknown)
{
throw new ArgumentException("Format must not be TextureFormat.Unknown.", "format");
}
if (arraySize <= 0)
{
throw new ArgumentOutOfRangeException("arraySize", "ArraySize must be positive.");
}
if (usage == ResourceUsage.Immutable && (data == null || data.Length == 0))
{
throw new ArgumentException("data", "Immutable textures must be initialized with data.");
}
Texture2DDescription desc = new Texture2DDescription()
{
Width = width,
Height = height,
Format = EnumConverter.Convert(format),
ArraySize = arraySize,
SampleDescription = new SharpDX.DXGI.SampleDescription(1, 0),
CpuAccessFlags = CpuAccessFlags.None,
MipLevels = !generateMipMaps ? 1 : 0,
Usage = EnumConverter.Convert(usage)
};
if (isRenderTarget)
{
if (format.IsDepth())
{
desc.BindFlags |= BindFlags.DepthStencil;
}
else
{
desc.BindFlags |= BindFlags.RenderTarget;
}
}
if (generateMipMaps)
{
desc.BindFlags |= BindFlags.RenderTarget;
desc.OptionFlags |= ResourceOptionFlags.GenerateMipMaps;
}
desc.BindFlags |= BindFlags.ShaderResource;
if (data != null && data.Length > 1)
{
SharpDX.DataRectangle[] rects = new SharpDX.DataRectangle[data.Length];
for (int i = 0; i < data.Length; i++)
{
rects[i] = new SharpDX.DataRectangle(data[i].Pointer, data[i].Pitch);
}
this.Texture = new SharpDX.Direct3D11.Texture2D(graphicsDevice.Device, desc, rects);
}
else
{
this.Texture = new SharpDX.Direct3D11.Texture2D(graphicsDevice.Device, desc);
}
CreateViews();
}