fix render advanced pipeline issues

src/graphics/core/GBuffer.cpp

@@ -181,9 +181,9 @@ void GBuffer::bindSSAOBuffer() const {
     glBindTexture(GL_TEXTURE_2D, ssaoBuffer);
 }
 
-void GBuffer::bindDepthBuffer() {
+void GBuffer::bindDepthBuffer(int drawFbo) {
     glBindFramebuffer(GL_READ_FRAMEBUFFER, fbo);
-    glBindFramebuffer(GL_DRAW_FRAMEBUFFER, 0);
+    glBindFramebuffer(GL_DRAW_FRAMEBUFFER, drawFbo);
     glBlitFramebuffer(0, 0, width, height, 0, 0, width, height, 
                     GL_DEPTH_BUFFER_BIT, GL_NEAREST);
 }