/**
* Uploads the pixel data to the given texture at the specified position. This only needs to be
* called once, after the pixel data has changed.
*
* @param texture the texture to modify
* @param x the x position to place the pixel data on the texture
* @param y the y position to place the pixel data on the texture
*/
public void apply(Texture texture, int x, int y) {
if (x + width > texture.getTextureWidth() || y + height > texture.getTextureHeight())
throw new IndexOutOfBoundsException("pixel data won't fit in given texture");
position(length());
pixels.flip();
int glFmt = format.getOGLType();
final SGL GL = Renderer.get();
texture.bind();
GL.glTexSubImage2D(
SGL.GL_TEXTURE_2D, 0, x, y, width, height, glFmt, SGL.GL_UNSIGNED_BYTE, pixels);
}
