We are trying to re-initialize OpenGL instance on Android in the
SurfaceFlinger. For this, I am calling an API in SurfaceFlinger
implemented by us. This API inturn speaks with OpenGL through
DisplayHardware.
Now, to re-initialize OpenGL, first I flush the existing OpenGL
instance & then recreate a new one. Following steps are followed to
flush the existing OpenGL instance:
eglMakeCurrent(mDisplay, EGL_NO_SURFACE, EGL_NO_SURFACE,
EGL_NO_CONTEXT);
eglDestroySurface(mDisplay, mSurface);
eglDestroyContext(mDisplay, mContext);
eglTerminate(mDisplay);
Then to re-initialize:
EGLDisplay display = eglGetDisplay(EGL_DEFAULT_DISPLAY);
eglInitialize(display, NULL, NULL);
eglGetConfigs(display, NULL, 0, &numConfigs);
surface = eglCreateWindowSurface(display, config,
mNativeWindow.get(), NULL);
context = eglCreateContext(display, config, NULL,
contextAttributes);
The flushing thing works fine. But the problem comes when we
reinitialize OpenGL. The call to eglCreateWindowSurface() returns a
NULL Surface with an error code 0x3003 (EGL_BAD_ALLOC).
Any idea where am I doing anything wrong??
OR
Can you please tell me a sequence through which I can recreate a
OpenGL instance.
OR
Is there anything which I need to take care while deleting the OpenGL.
Thanks in advance. -Jigar
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