private static ShaderResourceView LoadFromDecoder(D3DDevice device, ImagingFactory factory, BitmapDecoder bitmapDecoder)
{
if (bitmapDecoder.FrameCount == 0)
throw new ArgumentException("Image file successfully loaded, but it has no image frames.");
BitmapFrameDecode bitmapFrameDecode = bitmapDecoder.GetFrame(0);
BitmapSource bitmapSource = bitmapFrameDecode.ToBitmapSource();
// create texture description
Texture2DDescription textureDescription = new Texture2DDescription()
{
Width = bitmapSource.Size.Width,
Height = bitmapSource.Size.Height,
MipLevels = 1,
ArraySize = 1,
Format = Format.R8G8B8A8_UNORM,
SampleDescription = new SampleDescription()
{
Count = 1,
Quality = 0,
},
Usage = Usage.Dynamic,
BindFlags = BindFlag.ShaderResource,
CpuAccessFlags = CpuAccessFlag.Write,
MiscFlags = 0
};
// create texture
Texture2D texture = device.CreateTexture2D(textureDescription);
// Create a format converter
WICFormatConverter converter = factory.CreateFormatConverter();
converter.Initialize(
bitmapSource,
PixelFormats.Pf32bppRGBA,
BitmapDitherType.None,
BitmapPaletteType.Custom);
// get bitmap data
byte[] buffer = converter.CopyPixels();
// Copy bitmap data to texture
MappedTexture2D texmap = texture.Map(0, Map.WriteDiscard, MapFlag.Unspecified);
Marshal.Copy(buffer, 0, texmap.Data, buffer.Length);
texture.Unmap(0);
// create shader resource view description
ShaderResourceViewDescription srvDescription = new ShaderResourceViewDescription()
{
Format = textureDescription.Format,
ViewDimension = ShaderResourceViewDimension.Texture2D,
Texture2D = new Texture2DShaderResourceView()
{
MipLevels = textureDescription.MipLevels,
MostDetailedMip = 0
}
};
// create shader resource view from texture
return device.CreateShaderResourceView(texture, srvDescription);
}
private static ShaderResourceView LoadFromDecoder(D3DDevice device, ImagingFactory factory, BitmapDecoder bitmapDecoder)
{
if (bitmapDecoder.FrameCount == 0)
{
throw new ArgumentException("Image file successfully loaded, but it has no image frames.");
}
BitmapFrameDecode bitmapFrameDecode = bitmapDecoder.GetFrame(0);
BitmapSource bitmapSource = bitmapFrameDecode.ToBitmapSource();
// create texture description
Texture2DDescription textureDescription = new Texture2DDescription()
{
Width = bitmapSource.Size.Width,
Height = bitmapSource.Size.Height,
MipLevels = 1,
ArraySize = 1,
Format = Format.R8G8B8A8UNorm,
SampleDescription = new SampleDescription()
{
Count = 1,
Quality = 0,
},
Usage = Usage.Dynamic,
BindingOptions = BindingOptions.ShaderResource,
CpuAccessOptions = CpuAccessOptions.Write,
MiscellaneousResourceOptions = MiscellaneousResourceOptions.None
};
// create texture
Texture2D texture = device.CreateTexture2D(textureDescription);
// Create a format converter
FormatConverter converter = factory.CreateFormatConverter();
converter.Initialize(
bitmapSource,
PixelFormats.Prgba32Bpp,
BitmapDitherType.None,
BitmapPaletteType.Custom);
// get bitmap data
byte[] buffer = converter.CopyPixels();
// Copy bitmap data to texture
MappedTexture2D texmap = texture.Map(0, Map.WriteDiscard, Microsoft.WindowsAPICodePack.DirectX.Direct3D10.MapOptions.None);
Marshal.Copy(buffer, 0, texmap.Data, buffer.Length);
texture.Unmap(0);
// create shader resource view description
ShaderResourceViewDescription srvDescription = new ShaderResourceViewDescription()
{
Format = textureDescription.Format,
ViewDimension = ShaderResourceViewDimension.Texture2D,
Texture2D = new Texture2DShaderResourceView()
{
MipLevels = textureDescription.MipLevels,
MostDetailedMip = 0
}
};
// create shader resource view from texture
return(device.CreateShaderResourceView(texture, srvDescription));
}
