你能混合 Java 和原生 OpenGL 调用吗?例如,设置发生在 onSurfaceCreated 中,但 onDraw 调用到本机代码(或什至两者)?我无法让本机代码渲染,但不知道这是否可能是一个问题,或者我是否抛出了 c++ 异常,但它们不会冒泡......
private static native void drawFromJni();
public void onDrawFrame(GL10 gl) {
try{
drawFromJni();
//gl.glDrawArrays... also
}
catch (Exception ex){
ex.printStackTrace();
Log.e("sv", ex.getMessage());
}
}
public void onSurfaceChanged(GL10 gl, int width, int height) {
gl.glViewport(0, 0, width, height);
float ratio = (float) width / height;
gl.glMatrixMode(GL10.GL_PROJECTION);
gl.glLoadIdentity();
gl.glFrustumf(-ratio, ratio, -1, 1, 1, 10);
}
public void onSurfaceCreated(GL10 gl, EGLConfig config) {
gl.glDisable(GL10.GL_DITHER);
gl.glHint(GL10.GL_PERSPECTIVE_CORRECTION_HINT, GL10.GL_FASTEST);
gl.glClearColor(0,0,0,0);
gl.glEnable(GL10.GL_CULL_FACE);
gl.glShadeModel(GL10.GL_SMOOTH);
gl.glEnable(GL10.GL_DEPTH_TEST);
}