2020. 2. 20. 05:07ㆍ카테고리 없음
I have built Qt 5.5 from source using this configuration line./configure -opensource -nomake examples -nomake tests -release.opengl es2.I have obtained thisOpenGL / OpenVG:EGL. Yes (OpenGL ES 2.0+)OpenVG. Yes (bundled copy)pkg-config. YesQPA backends:DirectFB. YesEGLFS i.MX6. NoEGLFS Mali.
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NoEGLFS Raspberry Pi. Yes (system library)EGL on X. Yes (loaded at runtime)Xfixes. Yes (loaded at runtime)Xi.
Yes (loaded at runtime)Xrandr. Yes (loaded at runtime)Xrender. Yesbut still, after recompilation, my qml app eats one core to show a timer.%CPU%MEM TIME+ COMMAND90,4 5,2 7:02.34 LocalClock.8,6.
1,4 0:37.63 XorgHave I made a mistake? Do I need anything else to speedup my app? My problem is different.I haven't got any problem to compile something for Raspberry Pi, using a real Raspberry Pi or something else.The problem is to run a Qt Quick 2 application in a Raspberry Pi.Qt Quick 2 wants OpenGL ES but up to now OpenGL ES is not available in Raspberry Pi.You can try Debian 8 Jessie with weston but the application crashes at startup.Up to now (imho) is possible to use only QtWidgets or console programs.I have tried for many weeks with Debian 8 Jessie and Qt 5.5.0 without find a solution.