Java EGL14.EGL_NO_DISPLAY属性代码示例

/**
 * Discards all resources held by this class, notably the EGL context.  This must be
 * called from the thread where the context was created.
 * <p>
 * On completion, no context will be current.
 */
public void release() {
    if (mEGLDisplay != EGL14.EGL_NO_DISPLAY) {
        // Android is unusual in that it uses a reference-counted EGLDisplay.  So for
        // every eglInitialize() we need an eglTerminate().
        EGL14.eglMakeCurrent(mEGLDisplay, EGL14.EGL_NO_SURFACE, EGL14.EGL_NO_SURFACE,
                EGL14.EGL_NO_CONTEXT);
        EGL14.eglDestroyContext(mEGLDisplay, mEGLContext);
        EGL14.eglReleaseThread();
        EGL14.eglTerminate(mEGLDisplay);
    }

    mEGLDisplay = EGL14.EGL_NO_DISPLAY;
    mEGLContext = EGL14.EGL_NO_CONTEXT;
    mEGLConfig = null;
}
 

private static EGLDisplay getEglDisplay() {
  EGLDisplay eglDisplay = EGL14.eglGetDisplay(EGL14.EGL_DEFAULT_DISPLAY);
  if (eglDisplay == EGL14.EGL_NO_DISPLAY) {
    throw new RuntimeException(
        "Unable to get EGL14 display: 0x" + Integer.toHexString(EGL14.eglGetError()));
  }
  int[] version = new int[2];
  if (!EGL14.eglInitialize(eglDisplay, version, 0, version, 1)) {
    throw new RuntimeException(
        "Unable to initialize EGL14: 0x" + Integer.toHexString(EGL14.eglGetError()));
  }
  return eglDisplay;
}
 

/**
 * Makes our EGL context current, using the supplied "draw" and "read" surfaces.
 */
public void makeCurrent(EGLSurface drawSurface, EGLSurface readSurface) {
    if (mEGLDisplay == EGL14.EGL_NO_DISPLAY) {
        // called makeCurrent() before create?
        Log.d(TAG, "NOTE: makeCurrent w/o display");
    }
    if (!EGL14.eglMakeCurrent(mEGLDisplay, drawSurface, readSurface, mEGLContext)) {
        throw new RuntimeException("eglMakeCurrent(draw,read) failed");
    }
}
 

@Override
public void release() {
  checkIsNotReleased();
  releaseSurface();
  detachCurrent();
  EGL14.eglDestroyContext(eglDisplay, eglContext);
  EGL14.eglReleaseThread();
  EGL14.eglTerminate(eglDisplay);
  eglContext = EGL14.EGL_NO_CONTEXT;
  eglDisplay = EGL14.EGL_NO_DISPLAY;
  eglConfig = null;
}
 

public void release() {
    if (mEGLDisplay != EGL14.EGL_NO_DISPLAY) {
        EGL14.eglMakeCurrent(mEGLDisplay, EGL14.EGL_NO_SURFACE, EGL14.EGL_NO_SURFACE, EGL14.EGL_NO_CONTEXT);
        EGL14.eglDestroyContext(mEGLDisplay, mEGLContext);
        EGL14.eglReleaseThread();
        EGL14.eglTerminate(mEGLDisplay);
    }

    mEGLDisplay = EGL14.EGL_NO_DISPLAY;
    mEGLContext = EGL14.EGL_NO_CONTEXT;
    mEGLConfig = null;
}
 

/**
 * Discard all resources held by this class, notably the EGL context.  Also releases the
 * Surface that was passed to our constructor.
 */
public void release() {
    if (mEGLDisplay != EGL14.EGL_NO_DISPLAY) {
        EGL14.eglDestroySurface(mEGLDisplay, mEGLSurface);
        EGL14.eglDestroyContext(mEGLDisplay, mEGLContext);
        EGL14.eglReleaseThread();
        EGL14.eglTerminate(mEGLDisplay);
    }
    mSurface.release();
    mEGLDisplay = EGL14.EGL_NO_DISPLAY;
    mEGLContext = EGL14.EGL_NO_CONTEXT;
    mEGLSurface = EGL14.EGL_NO_SURFACE;
    mSurface = null;
}
 

public void release() {
    if (mEglDisplay != EGL14.EGL_NO_DISPLAY) {
        destroyContext();
        EGL14.eglTerminate(mEglDisplay);
        EGL14.eglReleaseThread();
    }
    mEglDisplay = EGL14.EGL_NO_DISPLAY;
    mEglContext = EGL14.EGL_NO_CONTEXT;
}
 

@Override
protected void finalize() throws Throwable {
    try {
        if (mEGLDisplay != EGL14.EGL_NO_DISPLAY) {
            // We're limited here -- finalizers don't run on the thread that holds
            // the EGL state, so if a surface or context is still current on another
            // thread we can't fully release it here.  Exceptions thrown from here
            // are quietly discarded.  Complain in the log file.
            Log.w(TAG, "WARNING: EglCore was not explicitly released -- state may be leaked");
            release();
        }
    } finally {
        super.finalize();
    }
}
 

/**
 * Makes our EGL context current, using the supplied surface for both "draw" and "read".
 */
public void makeCurrent(EGLSurface eglSurface) {
    if (mEGLDisplay == EGL14.EGL_NO_DISPLAY) {
        // called makeCurrent() before create?
        Log.d(TAG, "NOTE: makeCurrent w/o display");
    }
    if (!EGL14.eglMakeCurrent(mEGLDisplay, eglSurface, eglSurface, mEGLContext)) {
        throw new RuntimeException("eglMakeCurrent failed");
    }
}
 

private void init(EGLContext shared_context, final boolean with_depth_buffer, final boolean isRecordable) {
	if (DEBUG) Log.v(TAG, "init:");
       if (mEglDisplay != EGL14.EGL_NO_DISPLAY) {
           throw new RuntimeException("EGL already set up");
       }

       mEglDisplay = EGL14.eglGetDisplay(EGL14.EGL_DEFAULT_DISPLAY);
       if (mEglDisplay == EGL14.EGL_NO_DISPLAY) {
           throw new RuntimeException("eglGetDisplay failed");
       }

	final int[] version = new int[2];
       if (!EGL14.eglInitialize(mEglDisplay, version, 0, version, 1)) {
       	mEglDisplay = null;
           throw new RuntimeException("eglInitialize failed");
       }

	shared_context = shared_context != null ? shared_context : EGL14.EGL_NO_CONTEXT;
       if (mEglContext == EGL14.EGL_NO_CONTEXT) {
           mEglConfig = getConfig(with_depth_buffer, isRecordable);
           if (mEglConfig == null) {
               throw new RuntimeException("chooseConfig failed");
           }
           // create EGL rendering context
        mEglContext = createContext(shared_context);
       }
       // confirm whether the EGL rendering context is successfully created
       final int[] values = new int[1];
       EGL14.eglQueryContext(mEglDisplay, mEglContext, EGL14.EGL_CONTEXT_CLIENT_VERSION, values, 0);
       if (DEBUG) Log.d(TAG, "EGLContext created, client version " + values[0]);
       makeDefault();	// makeCurrent(EGL14.EGL_NO_SURFACE);
}
 

@Override protected void finalize() throws Throwable {
    try {
        if (mEGLDisplay != EGL14.EGL_NO_DISPLAY) {
            // We're limited here -- finalizers don't run on the thread that holds
            // the EGL state, so if a surface or context is still current on another
            // thread we can't fully release it here.  Exceptions thrown from here
            // are quietly discarded.  Complain in the log file.
            Log.w(TAG, "WARNING: EglCore was not explicitly released -- state may be leaked");
            release();
        }
    } finally {
        super.finalize();
    }
}
 

private void init(EGLContext sharedContext, final boolean withDepthBuffer) {
    if (mEglDisplay != EGL14.EGL_NO_DISPLAY) {
        throw new RuntimeException("EGL already set up");
    }

    mEglDisplay = EGL14.eglGetDisplay(EGL14.EGL_DEFAULT_DISPLAY);
    if (mEglDisplay == EGL14.EGL_NO_DISPLAY) {
        throw new RuntimeException("eglGetDisplay failed");
    }

    final int[] version = new int[2];
    if (!EGL14.eglInitialize(mEglDisplay, version, 0, version, 1)) {
        mEglDisplay = null;
        throw new RuntimeException("eglInitialize failed");
    }

    sharedContext = sharedContext != null ? sharedContext : EGL14.EGL_NO_CONTEXT;
    if (mEglContext == EGL14.EGL_NO_CONTEXT) {
        mEglConfig = getConfig(withDepthBuffer);
        if (mEglConfig == null) {
            throw new RuntimeException("chooseConfig failed");
        }
        // create EGL rendering context
        mEglContext = createContext(sharedContext);
    }
    // confirm whether the EGL rendering context is successfully created
    final int[] values = new int[1];
    EGL14.eglQueryContext(mEglDisplay, mEglContext, EGL14.EGL_CONTEXT_CLIENT_VERSION, values, 0);
    makeDefault();
}
 

private void eglSetup() {
    mEGLDisplay = EGL14.eglGetDisplay(EGL14.EGL_DEFAULT_DISPLAY);
    if (mEGLDisplay == EGL14.EGL_NO_DISPLAY) {
        throw new RuntimeException("unable to get EGL14 display");
    }
    int[] version = new int[2];
    if (!EGL14.eglInitialize(mEGLDisplay, version, 0, version, 1)) {
        mEGLDisplay = null;
        throw new RuntimeException("unable to initialize EGL14");
    }

    int[] attribList = {
            EGL14.EGL_RED_SIZE, 8,
            EGL14.EGL_GREEN_SIZE, 8,
            EGL14.EGL_BLUE_SIZE, 8,
            EGL14.EGL_RENDERABLE_TYPE, EGL_OPENGL_ES2_BIT,
            EGL_RECORDABLE_ANDROID, 1,
            EGL14.EGL_NONE
    };
    EGLConfig[] configs = new EGLConfig[1];
    int[] numConfigs = new int[1];
    if (!EGL14.eglChooseConfig(mEGLDisplay, attribList, 0, configs, 0, configs.length,
            numConfigs, 0)) {
        throw new RuntimeException("unable to find RGB888+recordable ES2 EGL config");
    }

    int[] attrib_list = {
            EGL14.EGL_CONTEXT_CLIENT_VERSION, 2,
            EGL14.EGL_NONE
    };

    mEGLContext = EGL14.eglCreateContext(mEGLDisplay, configs[0], EGL14.EGL_NO_CONTEXT, attrib_list, 0);
    checkEglError("eglCreateContext");
    if (mEGLContext == null) {
        throw new RuntimeException("null context");
    }

    int[] surfaceAttribs = {
            EGL14.EGL_NONE
    };
    mEGLSurface = EGL14.eglCreateWindowSurface(mEGLDisplay, configs[0], mSurface,
            surfaceAttribs, 0);
    checkEglError("eglCreateWindowSurface");
    if (mEGLSurface == null) {
        throw new RuntimeException("surface was null");
    }
}
 

/**
 * Prepares EGL.  We want a GLES 2.0 context and a surface that supports recording.
 */
private void eglSetup() {
  eglDisplay = EGL14.eglGetDisplay(EGL14.EGL_DEFAULT_DISPLAY);
  if (eglDisplay == EGL14.EGL_NO_DISPLAY) {
    throw new RuntimeException("unable to get EGL14 display");
  }
  int[] version = new int[2];
  if (!EGL14.eglInitialize(eglDisplay, version, 0, version, 1)) {
    throw new RuntimeException("unable to initialize EGL14");
  }

  // Configure EGL for recording and OpenGL ES 2.0.
  int[] attribList;
  if (eglSharedContext == null) {
    attribList = new int[] {
        EGL14.EGL_RED_SIZE, 8, EGL14.EGL_GREEN_SIZE, 8, EGL14.EGL_BLUE_SIZE, 8,
        EGL14.EGL_RENDERABLE_TYPE, EGL14.EGL_OPENGL_ES2_BIT, EGL14.EGL_NONE
    };
  } else {
    attribList = new int[] {
        EGL14.EGL_RED_SIZE, 8, EGL14.EGL_GREEN_SIZE, 8, EGL14.EGL_BLUE_SIZE, 8,
        EGL14.EGL_RENDERABLE_TYPE, EGL14.EGL_OPENGL_ES2_BIT, EGL_RECORDABLE_ANDROID, 1,
        EGL14.EGL_NONE
    };
  }
  EGLConfig[] configs = new EGLConfig[1];
  int[] numConfigs = new int[1];
  EGL14.eglChooseConfig(eglDisplay, attribList, 0, configs, 0, configs.length, numConfigs, 0);
  GlUtil.checkEglError("eglCreateContext RGB888+recordable ES2");

  // Configure context for OpenGL ES 2.0.
  int[] attrib_list = {
      EGL14.EGL_CONTEXT_CLIENT_VERSION, 2, EGL14.EGL_NONE
  };

  if (eglSharedContext == null) {
    eglContext =
        EGL14.eglCreateContext(eglDisplay, configs[0], EGL14.EGL_NO_CONTEXT, attrib_list, 0);
  } else {
    eglContext = EGL14.eglCreateContext(eglDisplay, configs[0], eglSharedContext, attrib_list, 0);
  }
  GlUtil.checkEglError("eglCreateContext");

  // Create a window surface, and attach it to the Surface we received.
  int[] surfaceAttribs = {
      EGL14.EGL_NONE
  };
  eglSurface = EGL14.eglCreateWindowSurface(eglDisplay, configs[0], surface, surfaceAttribs, 0);
  GlUtil.checkEglError("eglCreateWindowSurface");

  GLES20.glDisable(GLES20.GL_DEPTH_TEST);
  GLES20.glDisable(GLES20.GL_CULL_FACE);
}