internal static void DrawNodeTreeToImage(out byte[] imageRawBytes, Node root, int width, int height, Rect clipRect)
{
MeshBuffer meshBuffer = new MeshBuffer();
MeshList meshList = new MeshList();
var primitiveRenderer = new BuiltinPrimitiveRenderer();
using (var context = new RenderContextForTest(width, height))
{
//This must be called after the context is created, for uploading textures to GPU via OpenGL.
root.Foreach(n => primitiveRenderer.Draw(n, clipRect, meshList));
//rebuild mesh buffer
meshBuffer.Clear();
meshBuffer.Init();
meshBuffer.Build(meshList);
//draw mesh buffer to screen
context.Clear();
context.DrawMeshes(meshBuffer);
imageRawBytes = context.GetRenderedRawBytes();
}
}
