private bool createFrameBuffers(int w, int h)
{
if (DefaultFrameBuffer != null)
{
DefaultFrameBuffer.Delete();
}
DefaultFrameBuffer = new DefaultFrameBuffer(w, h);
DefaultFrameBuffer.Create();
if (!DefaultFrameBuffer.Ready)
{
Log.WriteLine(Log.LOG_ERROR, "failed to create default frame buffer");
return(false);
}
if (ShadowFrameBuffer == null)
{
ShadowFrameBuffer = new ShadowFrameBuffer(2048, 2048);
ShadowFrameBuffer.Create();
if (!ShadowFrameBuffer.Ready)
{
Log.WriteLine(Log.LOG_ERROR, "failed to create shadow frame buffer");
return(false);
}
}
return(true);
}
public void Render(RootNode scene, Panel overlay)
{
// render scene shadow to framebuffer texture (from light source to scene origin)
if (scene.ShadowMaterial != null && scene.ShadowMaterial.Ready && ShadowFrameBuffer.Ready)
{
pass = RenderPass.Shadow;
ShadowFrameBuffer.Bind();
scene.ShadowMaterial.Bind();
DirectionalLight light = (DirectionalLight)scene.GetLight(0);
view = Matrix4.LookAt(-light.Direction * 10.0f, Vector3.Zero, Vector3.UnitY);
shadowProjection = Matrix4.CreateOrthographicOffCenter(-10, 10, -10, 10, -10, 20);
renderNode(scene);
scene.ShadowMaterial.Unbind();
ShadowFrameBuffer.Unbind();
}
// render scene to framebuffer
if (DefaultFrameBuffer.Ready)
{
//GL.Disable(EnableCap.CullFace);
pass = RenderPass.Normal;
DefaultFrameBuffer.Bind();
if (camera == null)
{
view = Matrix4.LookAt(new Vector3(0, 0, 10), new Vector3(0, 0, 0), Vector3.UnitY);
}
else
{
view = Matrix4.LookAt(camera.Position, camera.LookAt, camera.Up);
}
renderNode(scene);
if (overlay != null)
{
GL.Disable(EnableCap.DepthTest);
overlay.Draw(size);
GL.Enable(EnableCap.DepthTest);
}
DefaultFrameBuffer.Unbind();
}
// post processing
pass = RenderPass.Post;
GL.Clear(ClearBufferMask.ColorBufferBit | ClearBufferMask.DepthBufferBit);
GL.PushMatrix();
GL.Ortho(0, width, 0, height, -1, 1); // Bottom-left corner pixel is 0/0
postProcessEffect.SetSize(size);
postProcessEffect.Render(scene.Time);
GL.PopMatrix();
}
//private ComputeShader cs;
public RenderThread()
{
DefaultFB = new DefaultFrameBuffer(EngineStatics.globalSettings.DomainFramebufferRezolution);
PostProcessStage = new PostProcessStageRenderer();
}
