private void GLElement_GLRenderStarted(object sender, EventArgs e)
{
#region FBO start
if (UseFrameBuffer)
{
FBO.Activate();
FBO.FBOInitializeView(GLElement1.PerspectiveProjection, TransformOuter.Location.Z);
}
else
{
FBO.Deactivate();
}
#endregion
RenderToBuffer();
#region FBO finish
if (UseFrameBuffer)
{
FBO.Deactivate();
GLElement1.InitializeView();
GL.ClearColor(0, .3f, .5f, 1);
GL.Clear(ClearBufferMask.ColorBufferBit | ClearBufferMask.DepthBufferBit);
GL.LoadIdentity();
// Now bind the texture to use it
GL.ActiveTexture(TextureUnit.Texture0);
FBO.Bind();
GLHelpers.Color4(Colors.Black); // to prevent it from being transparent
// Tranform
TransformOuter.Apply();
// Render with shader
LightingShaderProgram.Texture1 = FBO.Texture;
LightingShaderProgram.Activate();
//GLHelpers.Plane(1.3, 1.3, 0); // put it on a plane
GLHelpers.Cube2D(1.7); // put it on a cube
// Do some cleanup
TransformOuter.Remove();
Texture2D.Disable2DTextures();
ShaderProgram.DisableShaders();
}
#endregion
}