Scene Graph - Rendering FBOs in a thread

Shows how to use FramebufferObjects in a thread together with Qt Quick.

文件：

• scenegraph/textureinthread/error.qml
• scenegraph/textureinthread/main.cpp
• scenegraph/textureinthread/main.qml
• scenegraph/textureinthread/textureinthread.pro
• scenegraph/textureinthread/textureinthread.qrc
• scenegraph/textureinthread/threadrenderer.cpp
• scenegraph/textureinthread/threadrenderer.h