public static Texture LoadTgaTexture(
GraphicsDevice graphicsDevice,
ResourceFactory resourceFactory,
Stream stream,
Veldrid.PixelFormat pixelFormat = Veldrid.PixelFormat.B8_G8_R8_A8_UNorm)
{
using var bitmap = new TgaImage(stream, true).GetBitmap();
var width = (uint)bitmap.Width;
var height = (uint)bitmap.Height;
var sampledTexture = resourceFactory.CreateTexture(TextureDescription.Texture2D(width, height, 1, 1, pixelFormat, TextureUsage.Sampled));
var stagingTexture = resourceFactory.CreateTexture(TextureDescription.Texture2D(width, height, 1, 1, pixelFormat, TextureUsage.Staging));
var bitmapData = bitmap.LockBits(new System.Drawing.Rectangle(0, 0, bitmap.Width, bitmap.Height), ImageLockMode.ReadOnly, System.Drawing.Imaging.PixelFormat.Format32bppArgb);
var byteCount = bitmapData.Stride * bitmap.Height;
var pixelData = new byte[byteCount];
var pointer = bitmapData.Scan0;
Marshal.Copy(pointer, pixelData, 0, byteCount);
graphicsDevice.UpdateTexture(stagingTexture, pixelData, 0, 0, 0, width, height, 1, 0, 0);
CreateCommandList(graphicsDevice, resourceFactory, stagingTexture, sampledTexture);
return(sampledTexture);
}
public static Texture LoadBlpTexture(
GraphicsDevice graphicsDevice,
ResourceFactory resourceFactory,
Stream stream,
Veldrid.PixelFormat pixelFormat = Veldrid.PixelFormat.B8_G8_R8_A8_UNorm)
{
using var blpFile = new BlpFile(stream);
var width = (uint)blpFile.Width;
var height = (uint)blpFile.Height;
var mipMapCount = (uint)blpFile.MipMapCount;
var sampledTexture = resourceFactory.CreateTexture(TextureDescription.Texture2D(width, height, mipMapCount, 1, pixelFormat, TextureUsage.Sampled));
var stagingTexture = resourceFactory.CreateTexture(TextureDescription.Texture2D(width, height, mipMapCount, 1, pixelFormat, TextureUsage.Staging));
var mipMapWidths = new uint[mipMapCount];
var mipMapHeights = new uint[mipMapCount];
for (var mipMapLevel = 0; mipMapLevel < mipMapCount; mipMapLevel++)
{
var pixelData = blpFile.GetPixels(mipMapLevel, out var w, out var h);
var mipMapWidth = (uint)w;
var mipMapHeight = (uint)h;
mipMapWidths[mipMapLevel] = mipMapWidth;
mipMapHeights[mipMapLevel] = mipMapHeight;
graphicsDevice.UpdateTexture(stagingTexture, pixelData, 0, 0, 0, mipMapWidth, mipMapHeight, 1, (uint)mipMapLevel, 0);
}
CreateCommandList(graphicsDevice, resourceFactory, stagingTexture, sampledTexture);
return(sampledTexture);
}
/// <inheritdoc/>
/// <remarks>
/// Created textures are 2D, non-multisampled, non-mipmapped textures with RGBA8 UNorm format and
/// texture usage <see cref="TextureUsage.Sampled"/>.
/// </remarks>
public int CreateTexture(int width, int height, VELDRIDPIXFMT pFormat)
{
CheckDisposed();
var textureDescr = TextureDescription.Texture2D((uint)width, (uint)height, 1, 1, pFormat, TextureUsage.Sampled);
var tex = _gd.ResourceFactory.CreateTexture(ref textureDescr);
return(_AddTexture(tex));
}
public static Texture LoadTexture(
GraphicsDevice graphicsDevice,
ResourceFactory resourceFactory,
Stream stream,
Veldrid.PixelFormat pixelFormat = Veldrid.PixelFormat.B8_G8_R8_A8_UNorm)
{
FileFormatVersion blpVersion;
var oldPosition = stream.Position;
using (var reader = new BinaryReader(stream, Encoding.ASCII, true))
{
blpVersion = (FileFormatVersion)reader.ReadUInt32();
}
stream.Position = oldPosition;
return(Enum.IsDefined(typeof(FileFormatVersion), blpVersion)
? LoadBlpTexture(graphicsDevice, resourceFactory, stream, pixelFormat)
: LoadTgaTexture(graphicsDevice, resourceFactory, stream, pixelFormat));
}
public static Texture GetDummyTexture(
GraphicsDevice graphicsDevice,
ResourceFactory resourceFactory,
Veldrid.PixelFormat pixelFormat = Veldrid.PixelFormat.B8_G8_R8_A8_UNorm)
{
var width = 1U;
var height = 1U;
var sampledTexture = resourceFactory.CreateTexture(TextureDescription.Texture2D(width, height, 1, 1, pixelFormat, TextureUsage.Sampled));
var stagingTexture = resourceFactory.CreateTexture(TextureDescription.Texture2D(width, height, 1, 1, pixelFormat, TextureUsage.Staging));
var pixelData = new byte[] { 3, 3, 255, 255 };
graphicsDevice.UpdateTexture(stagingTexture, pixelData, 0, 0, 0, width, height, 1, 0, 0);
CreateCommandList(graphicsDevice, resourceFactory, stagingTexture, sampledTexture);
return(sampledTexture);
}