public static void CreateDDSTextureFromStream(Device d3dDevice, Stream stream, out Resource texture, out ShaderResourceView textureView, DeviceContext deviceContext = null)
{
if (stream.CanRead)
{
using (var dds = new DirectDrawSurface(stream)) {
CreateDDSTextureFromMemory(d3dDevice, dds, out texture, out textureView);
}
}
else
{
texture = null;
textureView = null;
}
}
public static void CreateDDSTextureFromMemoryEx(Device d3dDevice,
DirectDrawSurface dds,
int maxsize,
ResourceUsage usage,
BindFlags bindFlags,
CpuAccessFlags cpuAccessFlags,
ResourceOptionFlags miscFlags,
bool forceSRGB,
out Resource texture,
out ShaderResourceView textureView,
out DDS_AlphaMode alphaMode)
{
texture = null;
textureView = null;
alphaMode = DDS_AlphaMode.Unknown;
if (d3dDevice == null)
{
throw new ArgumentNullException("d3dDevice");
}
if (dds == null && !dds.Header.HasValue)
{
throw new ArgumentNullException("dds");
}
try {
var result = CreateTextureFromDDS(d3dDevice, null, dds.Header.Value, dds.HeaderDXT10, dds.Data, dds.DataLength, maxsize, usage, bindFlags, cpuAccessFlags, miscFlags, forceSRGB, out texture, out textureView);
if (result.Success)
{
texture.DebugName = "DDSTextureLoader";
textureView.DebugName = "DDSTextureLoader";
alphaMode = dds.AlphaMode;
}
} finally {
}
}
/// <summary>
/// 從記憶體建立DDS Texture
/// </summary>
/// <param name="d3dDevice"></param>
/// <param name="dds"></param>
/// <param name="texture"></param>
/// <param name="textureView"></param>
public static void CreateDDSTextureFromMemory(Device d3dDevice, DirectDrawSurface dds, out Resource texture, out ShaderResourceView textureView)
{
CreateDDSTextureFromMemoryEx(d3dDevice, dds, 0, ResourceUsage.Default, BindFlags.ShaderResource, CpuAccessFlags.None, ResourceOptionFlags.None, false, out texture, out textureView, out var alphaMode);
}
