Java EGL10.EGL_RENDERABLE_TYPE属性代码示例

@Override
public  EGLConfig chooseConfig(EGL10 egl, EGLDisplay display){
    final int EGL_OPENGL_ES2_BIT = 0x0004;

    int[] attribList = {
            EGL10.EGL_RED_SIZE, 8,
            EGL10.EGL_GREEN_SIZE, 8,
            EGL10.EGL_BLUE_SIZE, 8,
            EGL10.EGL_ALPHA_SIZE, 8,
            EGL10.EGL_RENDERABLE_TYPE, EGL_OPENGL_ES2_BIT,
            EGL10.EGL_SURFACE_TYPE, EGL10.EGL_PBUFFER_BIT,
            EGL10.EGL_NONE
    };
    EGLConfig[] configs = new EGLConfig[1];
    int[] numConfigs = new int[1];
    if (!egl.eglChooseConfig(display, attribList, configs, configs.length,
            numConfigs)) {
        throw new RuntimeException("unable to find RGB888+recordable ES2 EGL config");
    }

    return  configs[0];
}
 

private EGLConfig chooseConfig() {
    int[] attribList = new int[] {
            EGL_DEPTH_SIZE, 0,
            EGL_STENCIL_SIZE, 0,
            EGL_RED_SIZE, 8,
            EGL_GREEN_SIZE, 8,
            EGL_BLUE_SIZE, 8,
            EGL_ALPHA_SIZE, 8,
            EGL10.EGL_RENDERABLE_TYPE, 4,
            EGL_NONE
    };

    // No error checking performed, minimum required code to elucidate logic
    // Expand on this logic to be more selective in choosing a configuration
    int[] numConfig = new int[1];
    mEGL.eglChooseConfig(mEGLDisplay, attribList, null, 0, numConfig);
    int configSize = numConfig[0];
    mEGLConfigs = new EGLConfig[configSize];
    mEGL.eglChooseConfig(mEGLDisplay, attribList, mEGLConfigs, configSize, numConfig);

    if (LIST_CONFIGS) {
        listConfig();
    }

    return mEGLConfigs[0]; // Best match is probably the first configuration
}
 

private EGLConfig getConfig() {
    int renderableType = 4; // EGL14.EGL_OPENGL_ES2_BIT;
    int[] attribList = {
            EGL10.EGL_DEPTH_SIZE, 0, EGL10.EGL_STENCIL_SIZE, 0, EGL10.EGL_RED_SIZE, 8,
            EGL10.EGL_GREEN_SIZE, 8, EGL10.EGL_BLUE_SIZE, 8, EGL10.EGL_ALPHA_SIZE, 8,
            EGL10.EGL_RENDERABLE_TYPE, renderableType, EGL10.EGL_NONE
    };

    EGLConfig[] configs = new EGLConfig[1];
    int[] numConfigs = new int[1];

    if (!mEGL.eglChooseConfig(mEGLDisplay, attribList, configs, configs.length, numConfigs)) {
        Log.w("ImageEglSurface", "unable to find RGB8888  EGLConfig");
        return null;
    }
    return configs[0];
}
 

private int[] filterConfigSpec(int[] configSpec) {
    if (mEGLContextClientVersion != 2 && mEGLContextClientVersion != 3) {
        return configSpec;
    }
    /* We know none of the subclasses define EGL_RENDERABLE_TYPE.
     * And we know the configSpec is well formed.
     */
    int len = configSpec.length;
    int[] newConfigSpec = new int[len + 2];
    System.arraycopy(configSpec, 0, newConfigSpec, 0, len - 1);
    newConfigSpec[len - 1] = EGL10.EGL_RENDERABLE_TYPE;
    if (mEGLContextClientVersion == 2) {
        newConfigSpec[len] = EGL14.EGL_OPENGL_ES2_BIT;  /* EGL_OPENGL_ES2_BIT */
    } else {
        newConfigSpec[len] = EGLExt.EGL_OPENGL_ES3_BIT_KHR; /* EGL_OPENGL_ES3_BIT_KHR */
    }
    newConfigSpec[len + 1] = EGL10.EGL_NONE;
    return newConfigSpec;
}
 

int[] build(){
    return new int[] {
            EGL10.EGL_SURFACE_TYPE, surfaceType,      //渲染类型
            EGL10.EGL_RED_SIZE, red,  //指定RGB中的R大小（bits）
            EGL10.EGL_GREEN_SIZE, green, //指定G大小
            EGL10.EGL_BLUE_SIZE, blue,  //指定B大小
            EGL10.EGL_ALPHA_SIZE, alpha, //指定Alpha大小，以上四项实际上指定了像素格式
            EGL10.EGL_DEPTH_SIZE, depth, //指定深度缓存(Z Buffer)大小
            EGL10.EGL_RENDERABLE_TYPE, renderType, //指定渲染api类别, 如上一小节描述，这里或者是硬编码的4(EGL14.EGL_OPENGL_ES2_BIT)
            EGL10.EGL_NONE };  //总是以EGL14.EGL_NONE结尾
}
 

private void eglSetup(int width, int height) {
    mEGL = (EGL10) EGLContext.getEGL();
    mEGLDisplay = mEGL.eglGetDisplay(EGL10.EGL_DEFAULT_DISPLAY);

    if (mEGLDisplay == EGL10.EGL_NO_DISPLAY) {
        throw new RuntimeException("unable to get EGL10 display");
    }

    if (!mEGL.eglInitialize(mEGLDisplay, null)) {
        mEGLDisplay = null;
        throw new RuntimeException("unable to initialize EGL10");
    }

    int[] attribList = {
            EGL10.EGL_RED_SIZE, 8,
            EGL10.EGL_GREEN_SIZE, 8,
            EGL10.EGL_BLUE_SIZE, 8,
            EGL10.EGL_ALPHA_SIZE, 8,
            EGL10.EGL_SURFACE_TYPE, EGL10.EGL_PBUFFER_BIT,
            EGL10.EGL_RENDERABLE_TYPE, EGL_OPENGL_ES2_BIT,
            EGL10.EGL_NONE
    };
    EGLConfig[] configs = new EGLConfig[1];
    int[] numConfigs = new int[1];
    if (!mEGL.eglChooseConfig(mEGLDisplay, attribList, configs, configs.length, numConfigs)) {
        throw new RuntimeException("unable to find RGB888+pbuffer EGL config");
    }
    int[] attrib_list = {
            EGL_CONTEXT_CLIENT_VERSION, 2,
            EGL10.EGL_NONE
    };
    mEGLContext = mEGL.eglCreateContext(mEGLDisplay, configs[0], EGL10.EGL_NO_CONTEXT, attrib_list);
    checkEglError("eglCreateContext");
    if (mEGLContext == null) {
        throw new RuntimeException("null context");
    }
    int[] surfaceAttribs = {
            EGL10.EGL_WIDTH, width,
            EGL10.EGL_HEIGHT, height,
            EGL10.EGL_NONE
    };
    mEGLSurface = mEGL.eglCreatePbufferSurface(mEGLDisplay, configs[0], surfaceAttribs);
    checkEglError("eglCreatePbufferSurface");
    if (mEGLSurface == null) {
        throw new RuntimeException("surface was null");
    }
}
 

private int[] filterConfigSpec(int[] configSpec) {
    if (mEGLContextClientVersion != 2) {
        return configSpec;
    }
    /* We know none of the subclasses define EGL_RENDERABLE_TYPE.
     * And we know the configSpec is well formed.
     */
    int len = configSpec.length;
    int[] newConfigSpec = new int[len + 2];
    System.arraycopy(configSpec, 0, newConfigSpec, 0, len-1);
    newConfigSpec[len-1] = EGL10.EGL_RENDERABLE_TYPE;
    newConfigSpec[len] = 4; /* EGL_OPENGL_ES2_BIT */
    newConfigSpec[len+1] = EGL10.EGL_NONE;
    return newConfigSpec;
}
 

/**
 * clear data from surface using opengl
 */
private void clearSurface(Object texture) {
  EGL10 egl = (EGL10) EGLContext.getEGL();
  EGLDisplay display = egl.eglGetDisplay(EGL10.EGL_DEFAULT_DISPLAY);
  egl.eglInitialize(display, null);

  int[] attribList = {
      EGL10.EGL_RED_SIZE, 8, EGL10.EGL_GREEN_SIZE, 8, EGL10.EGL_BLUE_SIZE, 8,
      EGL10.EGL_ALPHA_SIZE, 8, EGL10.EGL_RENDERABLE_TYPE, EGL10.EGL_WINDOW_BIT, EGL10.EGL_NONE, 0,
      // placeholder for recordable [@-3]
      EGL10.EGL_NONE
  };
  EGLConfig[] configs = new EGLConfig[1];
  int[] numConfigs = new int[1];
  egl.eglChooseConfig(display, attribList, configs, configs.length, numConfigs);
  EGLConfig config = configs[0];
  EGLContext context = egl.eglCreateContext(display, config, EGL10.EGL_NO_CONTEXT, new int[] {
      12440, 2, EGL10.EGL_NONE
  });
  EGLSurface eglSurface = egl.eglCreateWindowSurface(display, config, texture, new int[] {
      EGL10.EGL_NONE
  });

  egl.eglMakeCurrent(display, eglSurface, eglSurface, context);
  GLES20.glClearColor(0, 0, 0, 1);
  GLES20.glClear(GLES20.GL_COLOR_BUFFER_BIT);
  egl.eglSwapBuffers(display, eglSurface);
  egl.eglDestroySurface(display, eglSurface);
  egl.eglMakeCurrent(display, EGL10.EGL_NO_SURFACE, EGL10.EGL_NO_SURFACE, EGL10.EGL_NO_CONTEXT);
  egl.eglDestroyContext(display, context);
  egl.eglTerminate(display);
}
 

private int[] filterConfigSpec(int[] configSpec) {
  int len = configSpec.length;
  int[] newConfigSpec = new int[len + 2];
  System.arraycopy(configSpec, 0, newConfigSpec, 0, len - 1);
  newConfigSpec[len - 1] = EGL10.EGL_RENDERABLE_TYPE;
  newConfigSpec[len] = 4; /* EGL_OPENGL_ES2_BIT */
  newConfigSpec[len + 1] = EGL10.EGL_NONE;
  return newConfigSpec;
}
 

private boolean initGL() {
    egl10 = (EGL10) EGLContext.getEGL();

    eglDisplay = egl10.eglGetDisplay(EGL10.EGL_DEFAULT_DISPLAY);
    if (eglDisplay == EGL10.EGL_NO_DISPLAY) {
        FileLog.e("tmessages", "eglGetDisplay failed " + GLUtils.getEGLErrorString(egl10.eglGetError()));
        finish();
        return false;
    }

    int[] version = new int[2];
    if (!egl10.eglInitialize(eglDisplay, version)) {
        FileLog.e("tmessages", "eglInitialize failed " + GLUtils.getEGLErrorString(egl10.eglGetError()));
        finish();
        return false;
    }

    int[] configsCount = new int[1];
    EGLConfig[] configs = new EGLConfig[1];
    int[] configSpec = new int[]{
            EGL10.EGL_RENDERABLE_TYPE, EGL_OPENGL_ES2_BIT,
            EGL10.EGL_RED_SIZE, 8,
            EGL10.EGL_GREEN_SIZE, 8,
            EGL10.EGL_BLUE_SIZE, 8,
            EGL10.EGL_ALPHA_SIZE, 8,
            EGL10.EGL_DEPTH_SIZE, 0,
            EGL10.EGL_STENCIL_SIZE, 0,
            EGL10.EGL_NONE
    };
    if (!egl10.eglChooseConfig(eglDisplay, configSpec, configs, 1, configsCount)) {
        FileLog.e("tmessages", "eglChooseConfig failed " + GLUtils.getEGLErrorString(egl10.eglGetError()));
        finish();
        return false;
    } else if (configsCount[0] > 0) {
        eglConfig = configs[0];
    } else {
        FileLog.e("tmessages", "eglConfig not initialized");
        finish();
        return false;
    }

    int[] attrib_list = {EGL_CONTEXT_CLIENT_VERSION, 2, EGL10.EGL_NONE};
    eglContext = egl10.eglCreateContext(eglDisplay, eglConfig, EGL10.EGL_NO_CONTEXT, attrib_list);
    if (eglContext == null) {
        FileLog.e("tmessages", "eglCreateContext failed " + GLUtils.getEGLErrorString(egl10.eglGetError()));
        finish();
        return false;
    }

    if (surfaceTexture instanceof SurfaceTexture) {
        eglSurface = egl10.eglCreateWindowSurface(eglDisplay, eglConfig, surfaceTexture, null);
    } else {
        finish();
        return false;
    }

    if (eglSurface == null || eglSurface == EGL10.EGL_NO_SURFACE) {
        FileLog.e("tmessages", "createWindowSurface failed " + GLUtils.getEGLErrorString(egl10.eglGetError()));
        finish();
        return false;
    }
    if (!egl10.eglMakeCurrent(eglDisplay, eglSurface, eglSurface, eglContext)) {
        FileLog.e("tmessages", "eglMakeCurrent failed " + GLUtils.getEGLErrorString(egl10.eglGetError()));
        finish();
        return false;
    }

    GLES20.glEnable(GLES20.GL_BLEND);
    GLES20.glDisable(GLES20.GL_DITHER);
    GLES20.glDisable(GLES20.GL_STENCIL_TEST);
    GLES20.glDisable(GLES20.GL_DEPTH_TEST);

    painting.setupShaders();
    checkBitmap();
    painting.setBitmap(bitmap);

    Utils.HasGLError();

    return true;
}
 

private void initGL(SurfaceTexture texture) {
    egl10 = (EGL10) EGLContext.getEGL();

    eglDisplay = egl10.eglGetDisplay(EGL10.EGL_DEFAULT_DISPLAY);
    if (eglDisplay == EGL10.EGL_NO_DISPLAY) {
        throw new RuntimeException("eglGetDisplay failed " +
                android.opengl.GLUtils.getEGLErrorString(egl10.eglGetError()));
    }

    int[] version = new int[2];
    if (!egl10.eglInitialize(eglDisplay, version)) {
        throw new RuntimeException("eglInitialize failed " +
                android.opengl.GLUtils.getEGLErrorString(egl10.eglGetError()));
    }

    int[] configsCount = new int[1];
    EGLConfig[] configs = new EGLConfig[1];
    int[] configSpec = {
            EGL10.EGL_RENDERABLE_TYPE,
            EGL_OPENGL_ES2_BIT,
            EGL10.EGL_RED_SIZE, 8,
            EGL10.EGL_GREEN_SIZE, 8,
            EGL10.EGL_BLUE_SIZE, 8,
            EGL10.EGL_ALPHA_SIZE, 8,
            EGL10.EGL_DEPTH_SIZE, 0,
            EGL10.EGL_STENCIL_SIZE, 0,
            EGL10.EGL_NONE
    };

    EGLConfig eglConfig = null;
    if (!egl10.eglChooseConfig(eglDisplay, configSpec, configs, 1, configsCount)) {
        throw new IllegalArgumentException("eglChooseConfig failed " +
                android.opengl.GLUtils.getEGLErrorString(egl10.eglGetError()));
    } else if (configsCount[0] > 0) {
        eglConfig = configs[0];
    }
    if (eglConfig == null) {
        throw new RuntimeException("eglConfig not initialized");
    }

    int[] attrib_list = {EGL_CONTEXT_CLIENT_VERSION, 2, EGL10.EGL_NONE};
    eglContext = egl10.eglCreateContext(eglDisplay, eglConfig, EGL10.EGL_NO_CONTEXT, attrib_list);
    eglSurface = egl10.eglCreateWindowSurface(eglDisplay, eglConfig, texture, null);

    if (eglSurface == null || eglSurface == EGL10.EGL_NO_SURFACE) {
        int error = egl10.eglGetError();
        if (error == EGL10.EGL_BAD_NATIVE_WINDOW) {
            Log.e(TAG, "eglCreateWindowSurface returned EGL10.EGL_BAD_NATIVE_WINDOW");
            return;
        }
        throw new RuntimeException("eglCreateWindowSurface failed " +
                android.opengl.GLUtils.getEGLErrorString(error));
    }

    if (!egl10.eglMakeCurrent(eglDisplay, eglSurface, eglSurface, eglContext)) {
        throw new RuntimeException("eglMakeCurrent failed " +
                android.opengl.GLUtils.getEGLErrorString(egl10.eglGetError()));
    }
}