Bug fix, where the framebuffer was left in ruins

UniStuttgart-VISUS · Nov 26, 2019 · eef6451 · eef6451
1 parent 0ad194b
commit eef6451
Showing 1 changed file with 7 additions and 0 deletions.
diff --git a/core/src/view/SplitView.cpp b/core/src/view/SplitView.cpp
@@ -148,10 +148,17 @@ void view::SplitView::Render(const mmcRenderViewContext& context) {
         }
 
         // Bind and blit framebuffer.
+        GLint binding, readBuffer;
+        glGetIntegerv(GL_READ_FRAMEBUFFER_BINDING, &binding);
+        glGetIntegerv(GL_READ_BUFFER, &readBuffer);
+
         glBindFramebuffer(GL_READ_FRAMEBUFFER, fbo.GetID());
         glReadBuffer(GL_COLOR_ATTACHMENT0);
         glBlitFramebuffer(0, 0, fbo.GetWidth(), fbo.GetHeight(), ca.Left(), this->clientArea.Height() - ca.Top(),
             ca.Right(), this->clientArea.Height() - ca.Bottom(), GL_COLOR_BUFFER_BIT, GL_NEAREST);
+
+        glBindFramebuffer(GL_READ_FRAMEBUFFER, binding);
+        glReadBuffer(readBuffer);
     };
 
     // Draw the splitter through clearing without overplotting.