/// <summary>
/// Creates a new TextureCubemapArray instance with faces compatible to the given bitmap.
/// </summary>
/// <param name="bitmap">Specifies the bitmap to which the new texture will be compatible.</param>
/// <param name="layers">Specifies the number of array layers the texture will contain.</param>
/// <param name="texture">Outputs the newly created texture.</param>
/// <param name="levels">Specifies the number of mipmap levels.</param>
public static void CreateCompatible(Bitmap bitmap, out TextureCubemapArray texture, int layers, int levels = 0)
{
if (bitmap.Width != bitmap.Height)
{
throw new ArgumentException("The faces of cube map textures must be square.");
}
texture = new TextureCubemapArray(BitmapFormat.Get(bitmap).InternalFormat, bitmap.Width, layers, levels);
}
/// <summary>
/// Uploads the contents of a bitmap to the given texture layer and level.<br/>
/// Will result in an OpenGL error if the given bitmap is incompatible with the textures storage.
/// </summary>
public static void LoadBitmap(this LayeredTexture texture, Bitmap bitmap, int layer, int level = 0)
{
texture.Bind();
var data = LockBits(bitmap);
try
{
var map = BitmapFormat.Get(bitmap);
GL.TexSubImage3D(texture.TextureTarget, level, 0, 0, layer, data.Width, data.Height, 1,
map.PixelFormat, map.PixelType, data.Scan0);
}
finally
{
bitmap.UnlockBits(data);
}
CheckError();
}
/// <summary>
/// Uploads the contents of a bitmap to a single face of the given cube map level.<br/>
/// Will result in an OpenGL error if the given bitmap is incompatible with the textures storage.
/// </summary>
public static void LoadBitmap(this TextureCubemap texture, Bitmap bitmap, int face, int level = 0)
{
const TextureTarget firstFace = TextureTarget.TextureCubeMapPositiveX;
texture.Bind();
var data = LockBits(bitmap);
try
{
var map = BitmapFormat.Get(bitmap);
GL.TexSubImage2D(firstFace + face, level, 0, 0, data.Width, data.Height,
map.PixelFormat, map.PixelType, data.Scan0);
}
finally
{
bitmap.UnlockBits(data);
}
CheckError();
}
/// <summary>
/// Creates a new TextureRectangle instance compatible to the given bitmap.
/// </summary>
/// <param name="bitmap">Specifies the bitmap to which the new texture will be compatible.</param>
/// <param name="texture">Outputs the newly created texture.</param>
public static void CreateCompatible(Bitmap bitmap, out TextureRectangle texture)
{
texture = new TextureRectangle(BitmapFormat.Get(bitmap).InternalFormat, bitmap.Width, bitmap.Height);
}
/// <summary>
/// Creates a new Texture2DArray instance compatible to the given bitmap.
/// </summary>
/// <param name="bitmap">Specifies the bitmap to which the new texture will be compatible.</param>
/// <param name="texture">Outputs the newly created texture.</param>
/// <param name="layers">Specifies the number of array layers the texture will contain.</param>
/// <param name="levels">Specifies the number of mipmap levels.</param>
public static void CreateCompatible(Bitmap bitmap, out Texture2DArray texture, int layers, int levels = 0)
{
texture = new Texture2DArray(BitmapFormat.Get(bitmap).InternalFormat, bitmap.Width, bitmap.Height, layers, levels);
}
