opengl和gdi

OpenGL是一种图形库，可以用来渲染2D和3D图形。它是一个大状态机，通过改变其状态来改变其运行的上下文，从而控制图形的输出结果。与之相比，GDI（图形设备接口）是Windows操作系统提供的图形渲染接口，用于绘制2D图形和文字。它使用CPU进行图形计算，而不是通过GPU来进行加速。所以OpenGL在性能方面比GDI更优秀，尤其在处理复杂的3D图形时效果更好。<span class="em">1</span><span class="em">2</span><span class="em">3</span>
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- *1* *2* [GDI 及OPENGL的区别](https://blog.csdn.net/qq_43080331/article/details/98062018)[target="_blank" data-report-click={"spm":"1018.2226.3001.9630","extra":{"utm_source":"vip_chatgpt_common_search_pc_result","utm_medium":"distribute.pc_search_result.none-task-cask-2~all~insert_cask~default-1-null.142^v92^chatsearchT3_1"}}] [.reference_item style="max-width: 50%"]
- *3* [QT使用GDI和OpenGL绘图，相比QPainter绘图降低CPU占用率](https://blog.csdn.net/wwwwxhh/article/details/79461668)[target="_blank" data-report-click={"spm":"1018.2226.3001.9630","extra":{"utm_source":"vip_chatgpt_common_search_pc_result","utm_medium":"distribute.pc_search_result.none-task-cask-2~all~insert_cask~default-1-null.142^v92^chatsearchT3_1"}}] [.reference_item style="max-width: 50%"]
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