HaxePunk/HaxePunk

package haxepunk.graphics.hardware.opengl;

import openfl.display.BitmapData;
import lime.graphics.opengl.GL;
import lime.graphics.WebGLRenderContext;

class GLInternal
{
    #if (openfl >= "8.0.0")
    public static var renderer:openfl.display.OpenGLRenderer;
    public static var gl:WebGLRenderContext;
    #end

    @:access(openfl.display.OpenGLRenderer.__context3D)
    @:access(openfl.display.Stage)
    @:access(openfl.display3D.textures.TextureBase.__getTexture)
    @:allow(haxepunk.graphics.hardware.opengl.GLUtils)
    static function bindTexture(texture:Texture)
    {
        #if (openfl < "8.0.0")
        var renderer = @:privateAccess (HXP.app.stage.__renderer).renderSession;
        #end
        var bmd:BitmapData = cast texture;
        GL.bindTexture(GL.TEXTURE_2D, bmd.getTexture(renderer.__context3D).__getTexture());
    }

    public static inline function invalid(object:Dynamic)
    {
        // FIXME: Lime WebGL objects are native, don't extend GLObject
        return object == null;
    }
}