public static GLTexture2DArray CreateUncompressedTexture(int width, int height, int arrayCount, int mipCount,
PixelInternalFormat pixelInternalFormat = PixelInternalFormat.Rgba8,
PixelFormat pixelFormat = PixelFormat.Rgba,
PixelType pixelType = PixelType.UnsignedByte)
{
GLTexture2DArray texture = new GLTexture2DArray();
texture.PixelFormat = pixelFormat;
texture.PixelType = pixelType;
texture.PixelInternalFormat = pixelInternalFormat;
texture.Width = width; texture.Height = height;
texture.Target = TextureTarget.Texture2DArray;
texture.MinFilter = TextureMinFilter.LinearMipmapLinear;
texture.MagFilter = TextureMagFilter.Linear;
texture.MipCount = mipCount;
texture.ArrayCount = arrayCount;
texture.Bind();
//Allocate mip data
if (texture.MipCount > 1)
{
texture.GenerateMipmaps();
}
for (int mip = 0; mip < texture.MipCount; mip++)
{
int mipWidth = (int)(texture.Width * Math.Pow(0.5, mip));
int mipHeight = (int)(texture.Height * Math.Pow(0.5, mip));
GL.TexImage3D(texture.Target, 0, texture.PixelInternalFormat,
mipWidth, mipHeight, texture.ArrayCount, mip,
texture.PixelFormat, texture.PixelType, IntPtr.Zero);
}
texture.UpdateParameters();
texture.Unbind();
return(texture);
}
