Android OpenGL ES抗锯齿

多重采样MSAA

GLSurfaceView设置多重采样

/**
 * 抗锯齿EGLConfigChooser
 *
 * author weiss
 * email kleinminamo@gmail.com
 * created 2018/7/3.
 */
public class MSAAConfigChooser implements GLSurfaceView.EGLConfigChooser {
    @Override
    public EGLConfig chooseConfig(EGL10 egl, EGLDisplay display) {

        int attribs[] = {
                EGL10.EGL_LEVEL, 0,
                EGL10.EGL_RENDERABLE_TYPE, 4,  // EGL_OPENGL_ES2_BIT
                EGL10.EGL_COLOR_BUFFER_TYPE, EGL10.EGL_RGB_BUFFER,
                EGL10.EGL_RED_SIZE, 8,
                EGL10.EGL_GREEN_SIZE, 8,
                EGL10.EGL_BLUE_SIZE, 8,
                EGL10.EGL_DEPTH_SIZE, 24,
                EGL10.EGL_SAMPLE_BUFFERS, 1,
                EGL10.EGL_SAMPLES, 4,  // 在这里修改MSAA的倍数，4就是4xMSAA，再往上开程序可能会崩
                EGL10.EGL_NONE
        };
        EGLConfig[] configs = new EGLConfig[1];
        int[] configCounts = new int[1];
        egl.eglChooseConfig(display, attribs, configs, 1, configCounts);

        if (configCounts[0] == 0) {
            // Failed! Error handling.
            return null;
        } else {
            return configs[0];
        }
    }
}
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开启MULTISAMPLE

GLES20.glEnable(GL10.GL_MULTISAMPLE);
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