public ArrayTexture ToTexture()
{
var texture = new ArrayTexture();
PopulateTexture(texture);
return(texture);
}
public void PopulateTexture(ArrayTexture texture)
{
using var target = texture.Bind();
target.Resize(Width, Height, LayerCount, PixelInternalFormat.Rgba);
for (var i = 0; i < LayerCount; i++)
{
textureData[i].FillArrayTextureLayer(texture, i);
}
}
public static ArrayTexture Empty(
int width, int height, int layerCount, PixelInternalFormat pixelFormat = PixelInternalFormat.Rgba)
{
var arrayTexture = new ArrayTexture();
using var target = arrayTexture.Bind();
target.Resize(width, height, layerCount, pixelFormat);
target.SetFilterMode(TextureMinFilter.LinearMipmapLinear, TextureMagFilter.Linear);
target.SetWrapMode(TextureWrapMode.Repeat, TextureWrapMode.Repeat);
return(arrayTexture);
}
public void FillArrayTextureLayer(ArrayTexture texture, int layer)
{
if (texture.Width != Width || texture.Height != Height)
{
throw new ArgumentException("Texture data does not have same dimensions as array texture.");
}
if (layer < 0 || layer >= texture.LayerCount)
{
throw new ArgumentOutOfRangeException(nameof(layer));
}
using var target = texture.Bind();
Visit(ptr =>
{
// ReSharper disable once AccessToDisposedClosure
// we trust the implementation to behave
target.UploadLayer(ptr, PixelFormat.Bgra, PixelType.UnsignedByte, layer);
});
}
internal Target(ArrayTexture arrayTexture, TextureTarget target)
{
this.arrayTexture = arrayTexture;
this.target = target;
GL.BindTexture(target, arrayTexture.Handle);
}
