android.opengl.EGLContext#android.opengl.EGLSurface源码实例Demo

/**
 * change context to draw this window surface
 */
private boolean makeCurrent(final EGLSurface surface) {
    //		if (DEBUG) Log.v(TAG, "makeCurrent:");
    if (mEglDisplay == null) {
        LogUtil.i(TAG, "makeCurrent:eglDisplay not initialized");
    }
    if (surface == null || surface == EGL14.EGL_NO_SURFACE) {
        final int error = EGL14.eglGetError();
        if (error == EGL14.EGL_BAD_NATIVE_WINDOW) {
            Log.e(TAG, "makeCurrent:returned EGL_BAD_NATIVE_WINDOW.");
        }
        return false;
    }
    // attach EGL renderring context to specific EGL window surface
    if (!EGL14.eglMakeCurrent(mEglDisplay, surface, surface, mEglContext)) {
        Log.w(TAG, "eglMakeCurrent:" + EGL14.eglGetError());
        return false;
    }
    return true;
}
 

/**
 * change context to draw this window surface
 * @return
 */
private boolean makeCurrent(EGLSurface surface) {
	if (DEBUG) Log.v(TAG, "makeCurrent:");
       if (mEglDisplay == null) {
           if (DEBUG) Log.d(TAG, "makeCurrent:eglDisplay not initialized");
       }
       if (surface == null || surface == EGL14.EGL_NO_SURFACE) {
           int error = EGL14.eglGetError();
           if (error == EGL14.EGL_BAD_NATIVE_WINDOW) {
               Log.e(TAG, "makeCurrent:returned EGL_BAD_NATIVE_WINDOW.");
           }
           return false;
       }
       // attach EGL renderring context to specific EGL window surface
       if (!EGL14.eglMakeCurrent(mEglDisplay, surface, surface, mEglContext)) {
           Log.w("TAG", "eglMakeCurrent" + EGL14.eglGetError());
           return false;
       }
       return true;
}
 

/**
 * Creates an EGL surface associated with a Surface.
 * <p>
 * If this is destined for MediaCodec, the EGLConfig should have the "recordable" attribute.
 */
public EGLSurface createWindowSurface(Object surface) {
    if (!(surface instanceof Surface) && !(surface instanceof SurfaceTexture)) {
        throw new RuntimeException("invalid surface: " + surface);
    }

    // Create a window surface, and attach it to the Surface we received.
    int[] surfaceAttribs = {
            EGL14.EGL_NONE
    };
    EGLSurface eglSurface = EGL14.eglCreateWindowSurface(mEGLDisplay, mEGLConfig, surface,
            surfaceAttribs, 0);
    checkEglError("eglCreateWindowSurface");
    if (eglSurface == null) {
        throw new RuntimeException("surface was null");
    }
    return eglSurface;
}
 

/**
 * Creates an EGL surface associated with a Surface.
 * <p>
 * If this is destined for MediaCodec, the EGLConfig should have the "recordable" attribute.
 */
public EGLSurface createWindowSurface(Object surface) {
    if (!(surface instanceof Surface) && !(surface instanceof SurfaceTexture)) {
        throw new RuntimeException("invalid surface: " + surface);
    }

    // Create a window surface, and attach it to the Surface we received.
    int[] surfaceAttribs = {
            EGL14.EGL_NONE
    };
    EGLSurface eglSurface = EGL14.eglCreateWindowSurface(mEGLDisplay, mEGLConfig, surface,
            surfaceAttribs, 0);
    checkEglError("eglCreateWindowSurface");
    if (eglSurface == null) {
        throw new RuntimeException("surface was null");
    }
    return eglSurface;
}
 

public EGLSurface createWindowSurface(EGLDisplay display, EGLConfig config, Object nativeWindow)
{
   EGLSurface result = null;
   try
   {
      result = EGL14.eglCreateWindowSurface(display, config, nativeWindow, s_DEFAULT_SURFACE_ATTRIBS, 0);
   }
   catch (IllegalArgumentException e)
   {
      // This exception indicates that the surface flinger surface
      // is not valid. This can happen if the surface flinger surface has
      // been torn down, but the application has not yet been
      // notified via SurfaceHolder.Callback.surfaceDestroyed.
      // In theory the application should be notified first,
      // but in practice sometimes it is not. See b/4588890
      Log.e(s_TAG, "eglCreateWindowSurface", e);
   }
   return result;
}
 

/**
 * 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");
    }
}
 

/** 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");
    }
}
 

/**
 * 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");
    }
}
 

/**
 * Writes the current display, context, and surface to the log.
 */
public static void logCurrent(String msg) {
    EGLDisplay display;
    EGLContext context;
    EGLSurface surface;

    display = EGL14.eglGetCurrentDisplay();
    context = EGL14.eglGetCurrentContext();
    surface = EGL14.eglGetCurrentSurface(EGL14.EGL_DRAW);
    Log.i(TAG, "Current EGL (" + msg + "): display=" + display + ", context=" + context +
            ", surface=" + surface);
}
 

/**
 * 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");
    }
}
 

/**
 * Writes the current display, context, and surface to the log.
 */
public static void logCurrent(String msg) {
    EGLDisplay display;
    EGLContext context;
    EGLSurface surface;

    display = EGL14.eglGetCurrentDisplay();
    context = EGL14.eglGetCurrentContext();
    surface = EGL14.eglGetCurrentSurface(EGL14.EGL_DRAW);
    Log.i(TAG, "Current EGL (" + msg + "): display=" + display + ", context=" + context +
            ", surface=" + surface);
}
 

private void destroyWindowSurface(EGLSurface surface) {
	if (DEBUG) Log.v(TAG, "destroySurface:");

       if (surface != EGL14.EGL_NO_SURFACE) {
       	EGL14.eglMakeCurrent(mEglDisplay,
       		EGL14.EGL_NO_SURFACE, EGL14.EGL_NO_SURFACE, EGL14.EGL_NO_CONTEXT);
       	EGL14.eglDestroySurface(mEglDisplay, surface);
       }
       surface = EGL14.EGL_NO_SURFACE;
       if (DEBUG) Log.v(TAG, "destroySurface:finished");
}
 

/**
 * 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");
    }
}
 

private EGLSurface createWindowSurface(final Object nativeWindow) {
    final int[] surfaceAttributes = {
            EGL14.EGL_NONE
    };
    EGLSurface result = null;
    try {
        result = EGL14.eglCreateWindowSurface(mEglDisplay, mEglConfig, nativeWindow, surfaceAttributes, 0);
    } catch (final IllegalArgumentException e) {
        Log.e(TAG, "eglCreateWindowSurface", e);
    }
    return result;
}
 

/**
 * 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");
    }
}
 

/**
 * 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");
    }
}
 

public boolean destroyGLES(EGLSurface surface,EGLContext context){
    EGL14.eglMakeCurrent(mEGLDisplay, EGL14.EGL_NO_SURFACE, EGL14.EGL_NO_SURFACE, EGL14.EGL_NO_CONTEXT);
    if(surface!=null){
        EGL14.eglDestroySurface(mEGLDisplay,surface);
    }
    if(context!=null){
        EGL14.eglDestroyContext(mEGLDisplay,context);
    }
    EGL14.eglTerminate(mEGLDisplay);
    log("gl destroy gles");
    return true;
}
 

int swap(final EGLSurface surface) {
//		if (DEBUG) Log.v(TAG, "swap:");
        if (!EGL14.eglSwapBuffers(eglDisplay, surface)) {
            final int err = EGL14.eglGetError();
            if (DEBUG) Log.w(TAG, "swap:err=" + err);
            return err;
        }
        return EGL14.EGL_SUCCESS;
    }
 

private EGLSurface createWindowSurface(Object nativeWindow) {
	if (DEBUG) Log.v(TAG, "createWindowSurface:");

       final int[] surfaceAttribs = {
               EGL14.EGL_NONE
       };
	EGLSurface result = null;
	try {
		result = EGL14.eglCreateWindowSurface(mEglDisplay, mEglConfig, nativeWindow, surfaceAttribs, 0);
	} catch (IllegalArgumentException e) {
		Log.e(TAG, "eglCreateWindowSurface", e);
	}
	return result;
}
 

private void destroyWindowSurface(EGLSurface surface) {
	if (DEBUG) Log.v(TAG, "destroySurface:");

       if (surface != EGL14.EGL_NO_SURFACE) {
       	EGL14.eglMakeCurrent(mEglDisplay,
       		EGL14.EGL_NO_SURFACE, EGL14.EGL_NO_SURFACE, EGL14.EGL_NO_CONTEXT);
       	EGL14.eglDestroySurface(mEglDisplay, surface);
       }
       surface = EGL14.EGL_NO_SURFACE;
       if (DEBUG) Log.v(TAG, "destroySurface:finished");
}
 

/**
 * Creates an EGL surface associated with an offscreen buffer.
 */
public EGLSurface createOffscreenSurface(int width, int height) {
    int[] surfaceAttribs = {
            EGL14.EGL_WIDTH, width,
            EGL14.EGL_HEIGHT, height,
            EGL14.EGL_NONE
    };
    EGLSurface eglSurface = EGL14.eglCreatePbufferSurface(mEGLDisplay, mEGLConfig,
            surfaceAttribs, 0);
    checkEglError("eglCreatePbufferSurface");
    if (eglSurface == null) {
        throw new RuntimeException("surface was null");
    }
    return eglSurface;
}
 

/**
 * 現在のスレッドの既存のレンダリングコンテキストがあればそれを共有して
 * 新しいレンダリングコンテキストを生成する
 * 既存のレンダリングコンテキストが存在していなければ独立したレンダリングコンテキストを
 * 生成する
 * @param maxClientVersion
 * @param withDepthBuffer
 * @param stencilBits
 * @param isRecordable
 * @return
 */
/*package*/ static EGLBase createFromCurrentImpl(final int maxClientVersion,
	final boolean withDepthBuffer, final int stencilBits, final boolean isRecordable) {

	Context context = null;
	final EGLContext currentContext = EGL14.eglGetCurrentContext();
	final EGLSurface currentSurface = EGL14.eglGetCurrentSurface(EGL14.EGL_DRAW);
	if ((currentContext != null) && (currentSurface != null)) {
		context = wrap(currentContext);
	}
	return new EGLBase14(maxClientVersion, context, withDepthBuffer, stencilBits, isRecordable);
}
 

private void destroyWindowSurface(EGLSurface surface) {
	if (DEBUG) Log.v(TAG, "destroySurface:");

       if (surface != EGL14.EGL_NO_SURFACE) {
       	EGL14.eglMakeCurrent(mEglDisplay,
       		EGL14.EGL_NO_SURFACE, EGL14.EGL_NO_SURFACE, EGL14.EGL_NO_CONTEXT);
       	EGL14.eglDestroySurface(mEglDisplay, surface);
       }
       surface = EGL14.EGL_NO_SURFACE;
       if (DEBUG) Log.v(TAG, "destroySurface:finished");
}
 

@Override
EGLSurface createEGLSurface(EGLDisplay display, EGLConfig[] configs) {
    // Create a window surface, and attach it to the Surface we received.
    int[] surfaceAttribs = {
            EGL14.EGL_NONE
    };

    EGLSurface surface = EGL14.eglCreateWindowSurface(display, configs[0], mSurface, surfaceAttribs, 0);
    checkEglError("eglCreateWindowSurface");
    return surface;
}
 

private void destroyWindowSurface(EGLSurface surface) {
//		if (DEBUG) Log.v(TAG, "destroySurface:");

        if (surface != EGL14.EGL_NO_SURFACE) {
        	EGL14.eglMakeCurrent(mEglDisplay,
        		EGL14.EGL_NO_SURFACE, EGL14.EGL_NO_SURFACE, EGL14.EGL_NO_CONTEXT);
        	EGL14.eglDestroySurface(mEglDisplay, surface);
        }
//		if (DEBUG) Log.v(TAG, "destroySurface:finished");
	}
 

/**
 * Writes the current display, context, and surface to the log.
 */
public static void logCurrent(String msg) {
    EGLDisplay display;
    EGLContext context;
    EGLSurface surface;

    display = EGL14.eglGetCurrentDisplay();
    context = EGL14.eglGetCurrentContext();
    surface = EGL14.eglGetCurrentSurface(EGL14.EGL_DRAW);
    Log.i(TAG, "Current EGL (" + msg + "): display=" + display + ", context=" + context +
            ", surface=" + surface);
}
 

EGLSurface createWindowSurface(final Object surface) {
    if (DEBUG) Log.v(TAG, "createWindowSurface:nativeWindow=" + surface);

    final int[] surfaceAttribs = {
            EGL14.EGL_NONE
    };
    EGLSurface result = null;
    try {
        result = EGL14.eglCreateWindowSurface(eglDisplay, eglConfig, surface, surfaceAttribs, 0);
    } catch (final IllegalArgumentException e) {
        Log.e(TAG, "eglCreateWindowSurface", e);
    }
    return result;
}
 

private void destroyWindowSurface(EGLSurface surface) {
	if (DEBUG) Log.v(TAG, "destroySurface:");

       if (surface != EGL14.EGL_NO_SURFACE) {
       	EGL14.eglMakeCurrent(mEglDisplay,
       		EGL14.EGL_NO_SURFACE, EGL14.EGL_NO_SURFACE, EGL14.EGL_NO_CONTEXT);
       	EGL14.eglDestroySurface(mEglDisplay, surface);
       }
       surface = EGL14.EGL_NO_SURFACE;
}
 

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

/**
 * 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");
    }
}