Android硬件加速后单个Bitmap可以显示的最大尺寸

private void getGLESTextureLimitBelowLollipop() {  
    int[] maxSize = new int[1];  
    GLES10.glGetIntegerv(GLES10.GL_MAX_TEXTURE_SIZE, maxSize, 0);  
    Toast.makeText(this," " + maxSize[0],Toast.LENGTH_LONG).show();  
}  

private void getGLESTextureLimitEqualAboveLollipop() {  
    EGL10 egl = (EGL10) EGLContext.getEGL();  
    EGLDisplay dpy = egl.eglGetDisplay(EGL10.EGL_DEFAULT_DISPLAY);  
    int[] vers = new int[2];  
    egl.eglInitialize(dpy, vers);  
    int[] configAttr = {  
            EGL10.EGL_COLOR_BUFFER_TYPE, EGL10.EGL_RGB_BUFFER,  
            EGL10.EGL_LEVEL, 0,  
            EGL10.EGL_SURFACE_TYPE, EGL10.EGL_PBUFFER_BIT,  
            EGL10.EGL_NONE  
    };  
    EGLConfig[] configs = new EGLConfig[1];  
    int[] numConfig = new int[1];  
    egl.eglChooseConfig(dpy, configAttr, configs, 1, numConfig);  
    if (numConfig[0] == 0) {// TROUBLE! No config found.  
    }  
    EGLConfig config = configs[0];  
    int[] surfAttr = {  
            EGL10.EGL_WIDTH, 64,  
            EGL10.EGL_HEIGHT, 64,  
            EGL10.EGL_NONE  
    };  
    EGLSurface surf = egl.eglCreatePbufferSurface(dpy, config, surfAttr);  
    final int EGL_CONTEXT_CLIENT_VERSION = 0x3098;  // missing in EGL10  
    int[] ctxAttrib = {  
            EGL_CONTEXT_CLIENT_VERSION, 1,  
            EGL10.EGL_NONE  
    };  
    EGLContext ctx = egl.eglCreateContext(dpy, config, EGL10.EGL_NO_CONTEXT, ctxAttrib);  
    egl.eglMakeCurrent(dpy, surf, surf, ctx);  
    int[] maxSize = new int[1];  
    GLES10.glGetIntegerv(GLES10.GL_MAX_TEXTURE_SIZE, maxSize, 0);  
    egl.eglMakeCurrent(dpy, EGL10.EGL_NO_SURFACE, EGL10.EGL_NO_SURFACE,  
            EGL10.EGL_NO_CONTEXT);  
    egl.eglDestroySurface(dpy, surf);  
    egl.eglDestroyContext(dpy, ctx);  
    egl.eglTerminate(dpy);  
  
    Toast.makeText(this," " + maxSize[0],Toast.LENGTH_LONG).show();  
} 

if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {  
    getGLESTextureLimitEqualAboveLollipop();  
} else {  
    getGLESTextureLimitBelowLollipop();  
}