May 2017
Beginner to intermediate
470 pages
10h 49m
English
Content preview from Android System Programming
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Creating the rendering engine
After the OpenGL ES vendor libraries are loaded, SurfaceFlinger:init will create the rendering engine:
mRenderEngine = RenderEngine::create(mEGLDisplay, mHwc->getVisualID());
Inside RenderEngine::create, it will call RenderEngine::chooseEglConfig, which will print out the debug message for EGL:
EGLConfig RenderEngine::chooseEglConfig(EGLDisplay display, int format) { status_t err; EGLConfig config; // First try to get an ES2 config err = selectEGLConfig(display, format, EGL_OPENGL_ES2_BIT, &config); ... eglGetConfigAttrib(display, config, EGL_ALPHA_SIZE, &a); ALOGI("EGL information:"); ALOGI("vendor : %s", eglQueryString(display, EGL_VENDOR)); ALOGI("version : %s", eglQueryString(display, EGL_VERSION)); ...Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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