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eglSwapBuffers() can't display content on screen immediately

Question asked by Zhipeng Wang on May 15, 2013
Latest reply on May 24, 2013 by Guillermo Michel Jimenez
Branched to a new discussion



I'm using OpenGLES v2.0 and EGL v1.4 to draw graphics on i.MX6 board.


After I finish drawing something on EGL window surface, I call eglSwapBuffers() to display the content and the screen remain blank.


The content could be displayed on screen only after eglSwapBuffers() was called the second time.


Could anyone help me to resolve this issue?