android.opengl.GLES20#glGenFramebuffers

Source File: Framebuffer.java From Spectaculum with Apache License 2.0

6 votes

public Framebuffer(int width, int height) {
    int[] framebuffer = new int[1];
    GLES20.glGenFramebuffers(1, framebuffer, 0);
    mFramebuffer = framebuffer[0];

    /* Every framebuffer has its own texture attached, because switching between framebuffers
     * is faster and recommended against switching texture attachements of a single framebuffer.
     * http://stackoverflow.com/a/6435997
     * http://stackoverflow.com/a/6767452 (comments!)
     */
    mTargetTexture = Texture2D.generateFloatTexture(width, height);

    GLES20.glBindFramebuffer(GLES20.GL_FRAMEBUFFER, mFramebuffer);
    GLES20.glFramebufferTexture2D(GLES20.GL_FRAMEBUFFER, GLES20.GL_COLOR_ATTACHMENT0,
            GLES20.GL_TEXTURE_2D, mTargetTexture.getHandle(), 0);

    checkFramebufferStatus();
}

Source File: CameraGLRendererBase.java From OpenCvFaceDetect with Apache License 2.0

5 votes

private void initFBO(int width, int height)
{
    Log.d(LOGTAG, "initFBO("+width+"x"+height+")");

    deleteFBO();

    GLES20.glGenTextures(1, texDraw, 0);
    GLES20.glBindTexture(GLES20.GL_TEXTURE_2D, texDraw[0]);
    GLES20.glTexImage2D(GLES20.GL_TEXTURE_2D, 0, GLES20.GL_RGBA, width, height, 0, GLES20.GL_RGBA, GLES20.GL_UNSIGNED_BYTE, null);
    GLES20.glTexParameteri(GLES20.GL_TEXTURE_2D, GLES20.GL_TEXTURE_WRAP_S, GLES20.GL_CLAMP_TO_EDGE);
    GLES20.glTexParameteri(GLES20.GL_TEXTURE_2D, GLES20.GL_TEXTURE_WRAP_T, GLES20.GL_CLAMP_TO_EDGE);
    GLES20.glTexParameteri(GLES20.GL_TEXTURE_2D, GLES20.GL_TEXTURE_MIN_FILTER, GLES20.GL_NEAREST);
    GLES20.glTexParameteri(GLES20.GL_TEXTURE_2D, GLES20.GL_TEXTURE_MAG_FILTER, GLES20.GL_NEAREST);

    GLES20.glGenTextures(1, texFBO, 0);
    GLES20.glBindTexture(GLES20.GL_TEXTURE_2D, texFBO[0]);
    GLES20.glTexImage2D(GLES20.GL_TEXTURE_2D, 0, GLES20.GL_RGBA, width, height, 0, GLES20.GL_RGBA, GLES20.GL_UNSIGNED_BYTE, null);
    GLES20.glTexParameteri(GLES20.GL_TEXTURE_2D, GLES20.GL_TEXTURE_WRAP_S, GLES20.GL_CLAMP_TO_EDGE);
    GLES20.glTexParameteri(GLES20.GL_TEXTURE_2D, GLES20.GL_TEXTURE_WRAP_T, GLES20.GL_CLAMP_TO_EDGE);
    GLES20.glTexParameteri(GLES20.GL_TEXTURE_2D, GLES20.GL_TEXTURE_MIN_FILTER, GLES20.GL_NEAREST);
    GLES20.glTexParameteri(GLES20.GL_TEXTURE_2D, GLES20.GL_TEXTURE_MAG_FILTER, GLES20.GL_NEAREST);

    //int hFBO;
    GLES20.glGenFramebuffers(1, FBO, 0);
    GLES20.glBindFramebuffer(GLES20.GL_FRAMEBUFFER, FBO[0]);
    GLES20.glFramebufferTexture2D(GLES20.GL_FRAMEBUFFER, GLES20.GL_COLOR_ATTACHMENT0, GLES20.GL_TEXTURE_2D, texFBO[0], 0);
    Log.d(LOGTAG, "initFBO error status: " + GLES20.glGetError());

    int FBOstatus = GLES20.glCheckFramebufferStatus(GLES20.GL_FRAMEBUFFER);
    if (FBOstatus != GLES20.GL_FRAMEBUFFER_COMPLETE)
        Log.e(LOGTAG, "initFBO failed, status: " + FBOstatus);

    mFBOWidth  = width;
    mFBOHeight = height;
}

Source File: GLES20Canvas.java From PhotoMovie with Apache License 2.0

5 votes

private void setRenderTarget(BasicTexture oldTexture, RawTexture texture) {
    if (oldTexture == null && texture != null) {
        GLES20.glGenFramebuffers(1, mFrameBuffer, 0);
        checkError();
        GLES20.glBindFramebuffer(GLES20.GL_FRAMEBUFFER, mFrameBuffer[0]);
        checkError();
    } else if (oldTexture != null && texture == null) {
        GLES20.glBindFramebuffer(GLES20.GL_FRAMEBUFFER, 0);
        checkError();
        GLES20.glDeleteFramebuffers(1, mFrameBuffer, 0);
        checkError();
    }

    if (texture == null) {
        setSize(mScreenWidth, mScreenHeight);
    } else {
        setSize(texture.getWidth(), texture.getHeight());

        if (!texture.isLoaded()) {
            texture.prepare(this);
        }

        GLES20.glFramebufferTexture2D(GLES20.GL_FRAMEBUFFER, GLES20.GL_COLOR_ATTACHMENT0,
                texture.getTarget(), texture.getId(), 0);
        checkError();

        checkFramebufferStatus();
    }
}

Source File: CameraGLRendererBase.java From Image-Detection-Samples with Apache License 2.0

5 votes

private void initFBO(int width, int height)
{
    Log.d(LOGTAG, "initFBO("+width+"x"+height+")");

    deleteFBO();

    GLES20.glGenTextures(1, texDraw, 0);
    GLES20.glBindTexture(GLES20.GL_TEXTURE_2D, texDraw[0]);
    GLES20.glTexImage2D(GLES20.GL_TEXTURE_2D, 0, GLES20.GL_RGBA, width, height, 0, GLES20.GL_RGBA, GLES20.GL_UNSIGNED_BYTE, null);
    GLES20.glTexParameteri(GLES20.GL_TEXTURE_2D, GLES20.GL_TEXTURE_WRAP_S, GLES20.GL_CLAMP_TO_EDGE);
    GLES20.glTexParameteri(GLES20.GL_TEXTURE_2D, GLES20.GL_TEXTURE_WRAP_T, GLES20.GL_CLAMP_TO_EDGE);
    GLES20.glTexParameteri(GLES20.GL_TEXTURE_2D, GLES20.GL_TEXTURE_MIN_FILTER, GLES20.GL_NEAREST);
    GLES20.glTexParameteri(GLES20.GL_TEXTURE_2D, GLES20.GL_TEXTURE_MAG_FILTER, GLES20.GL_NEAREST);

    GLES20.glGenTextures(1, texFBO, 0);
    GLES20.glBindTexture(GLES20.GL_TEXTURE_2D, texFBO[0]);
    GLES20.glTexImage2D(GLES20.GL_TEXTURE_2D, 0, GLES20.GL_RGBA, width, height, 0, GLES20.GL_RGBA, GLES20.GL_UNSIGNED_BYTE, null);
    GLES20.glTexParameteri(GLES20.GL_TEXTURE_2D, GLES20.GL_TEXTURE_WRAP_S, GLES20.GL_CLAMP_TO_EDGE);
    GLES20.glTexParameteri(GLES20.GL_TEXTURE_2D, GLES20.GL_TEXTURE_WRAP_T, GLES20.GL_CLAMP_TO_EDGE);
    GLES20.glTexParameteri(GLES20.GL_TEXTURE_2D, GLES20.GL_TEXTURE_MIN_FILTER, GLES20.GL_NEAREST);
    GLES20.glTexParameteri(GLES20.GL_TEXTURE_2D, GLES20.GL_TEXTURE_MAG_FILTER, GLES20.GL_NEAREST);

    //int hFBO;
    GLES20.glGenFramebuffers(1, FBO, 0);
    GLES20.glBindFramebuffer(GLES20.GL_FRAMEBUFFER, FBO[0]);
    GLES20.glFramebufferTexture2D(GLES20.GL_FRAMEBUFFER, GLES20.GL_COLOR_ATTACHMENT0, GLES20.GL_TEXTURE_2D, texFBO[0], 0);
    Log.d(LOGTAG, "initFBO error status: " + GLES20.glGetError());

    int FBOstatus = GLES20.glCheckFramebufferStatus(GLES20.GL_FRAMEBUFFER);
    if (FBOstatus != GLES20.GL_FRAMEBUFFER_COMPLETE)
        Log.e(LOGTAG, "initFBO failed, status: " + FBOstatus);

    mFBOWidth  = width;
    mFBOHeight = height;
}

Source File: FBO.java From Pano360 with MIT License

5 votes

public FBO create(int width,int height){
    int[] frameBuffers = new int[1];
    int[] frameBufferTextures = new int[1];
    GLES20.glGenFramebuffers(1, frameBuffers, 0);

    GLES20.glGenTextures(1, frameBufferTextures, 0);
    GLES20.glBindTexture(GLES20.GL_TEXTURE_2D, frameBufferTextures[0]);
    GLES20.glTexImage2D(GLES20.GL_TEXTURE_2D, 0, GLES20.GL_RGBA,
            width,height, 0,
            GLES20.GL_RGBA, GLES20.GL_UNSIGNED_BYTE, null);
    GLES20.glTexParameterf(GLES20.GL_TEXTURE_2D,
            GLES20.GL_TEXTURE_MAG_FILTER, GLES20.GL_LINEAR);
    GLES20.glTexParameterf(GLES20.GL_TEXTURE_2D,
            GLES20.GL_TEXTURE_MIN_FILTER, GLES20.GL_LINEAR);
    GLES20.glTexParameterf(GLES20.GL_TEXTURE_2D,
            GLES20.GL_TEXTURE_WRAP_S, GLES20.GL_CLAMP_TO_EDGE);
    GLES20.glTexParameterf(GLES20.GL_TEXTURE_2D,
            GLES20.GL_TEXTURE_WRAP_T, GLES20.GL_CLAMP_TO_EDGE);

    GLES20.glBindFramebuffer(GLES20.GL_FRAMEBUFFER, frameBuffers[0]);
    GLES20.glFramebufferTexture2D(GLES20.GL_FRAMEBUFFER, GLES20.GL_COLOR_ATTACHMENT0,
            GLES20.GL_TEXTURE_2D, frameBufferTextures[0], 0);

    GLES20.glBindTexture(GLES20.GL_TEXTURE_2D, 0);
    GLES20.glBindFramebuffer(GLES20.GL_FRAMEBUFFER, 0);

    frameBuffer=frameBuffers[0];
    frameBufferTexture=frameBufferTextures[0];
    return this;
}

Source File: CameraGLRendererBase.java From ml-authentication with Apache License 2.0

5 votes

private void initFBO(int width, int height)
{
    Log.d(LOGTAG, "initFBO("+width+"x"+height+")");

    deleteFBO();

    GLES20.glGenTextures(1, texDraw, 0);
    GLES20.glBindTexture(GLES20.GL_TEXTURE_2D, texDraw[0]);
    GLES20.glTexImage2D(GLES20.GL_TEXTURE_2D, 0, GLES20.GL_RGBA, width, height, 0, GLES20.GL_RGBA, GLES20.GL_UNSIGNED_BYTE, null);
    GLES20.glTexParameteri(GLES20.GL_TEXTURE_2D, GLES20.GL_TEXTURE_WRAP_S, GLES20.GL_CLAMP_TO_EDGE);
    GLES20.glTexParameteri(GLES20.GL_TEXTURE_2D, GLES20.GL_TEXTURE_WRAP_T, GLES20.GL_CLAMP_TO_EDGE);
    GLES20.glTexParameteri(GLES20.GL_TEXTURE_2D, GLES20.GL_TEXTURE_MIN_FILTER, GLES20.GL_NEAREST);
    GLES20.glTexParameteri(GLES20.GL_TEXTURE_2D, GLES20.GL_TEXTURE_MAG_FILTER, GLES20.GL_NEAREST);

    GLES20.glGenTextures(1, texFBO, 0);
    GLES20.glBindTexture(GLES20.GL_TEXTURE_2D, texFBO[0]);
    GLES20.glTexImage2D(GLES20.GL_TEXTURE_2D, 0, GLES20.GL_RGBA, width, height, 0, GLES20.GL_RGBA, GLES20.GL_UNSIGNED_BYTE, null);
    GLES20.glTexParameteri(GLES20.GL_TEXTURE_2D, GLES20.GL_TEXTURE_WRAP_S, GLES20.GL_CLAMP_TO_EDGE);
    GLES20.glTexParameteri(GLES20.GL_TEXTURE_2D, GLES20.GL_TEXTURE_WRAP_T, GLES20.GL_CLAMP_TO_EDGE);
    GLES20.glTexParameteri(GLES20.GL_TEXTURE_2D, GLES20.GL_TEXTURE_MIN_FILTER, GLES20.GL_NEAREST);
    GLES20.glTexParameteri(GLES20.GL_TEXTURE_2D, GLES20.GL_TEXTURE_MAG_FILTER, GLES20.GL_NEAREST);

    //int hFBO;
    GLES20.glGenFramebuffers(1, FBO, 0);
    GLES20.glBindFramebuffer(GLES20.GL_FRAMEBUFFER, FBO[0]);
    GLES20.glFramebufferTexture2D(GLES20.GL_FRAMEBUFFER, GLES20.GL_COLOR_ATTACHMENT0, GLES20.GL_TEXTURE_2D, texFBO[0], 0);
    Log.d(LOGTAG, "initFBO error status: " + GLES20.glGetError());

    int FBOstatus = GLES20.glCheckFramebufferStatus(GLES20.GL_FRAMEBUFFER);
    if (FBOstatus != GLES20.GL_FRAMEBUFFER_COMPLETE)
        Log.e(LOGTAG, "initFBO failed, status: " + FBOstatus);

    mFBOWidth  = width;
    mFBOHeight = height;
}

Source File: CameraFBORender.java From AudioVideoCodec with Apache License 2.0

5 votes

/**
 * 创建fbo
 *
 * @param w
 * @param h
 */
private void createFBO(int w, int h) {
    //1. 创建FBO
    int[] fbos = new int[1];
    GLES20.glGenFramebuffers(1, fbos, 0);
    fboId = fbos[0];
    //2. 绑定FBO
    GLES20.glBindFramebuffer(GLES20.GL_FRAMEBUFFER, fboId);

    //3. 创建FBO纹理
    int[] textureIds = new int[1];
    //创建纹理
    GLES20.glGenTextures(1, textureIds, 0);
    fboTextureId = textureIds[0];
    //绑定纹理
    GLES20.glBindTexture(GLES20.GL_TEXTURE_2D, fboTextureId);
    //环绕（超出纹理坐标范围）  （s==x t==y GL_REPEAT 重复）
    GLES20.glTexParameteri(GLES20.GL_TEXTURE_2D, GLES20.GL_TEXTURE_WRAP_S, GLES20.GL_REPEAT);
    GLES20.glTexParameteri(GLES20.GL_TEXTURE_2D, GLES20.GL_TEXTURE_WRAP_T, GLES20.GL_REPEAT);
    //过滤（纹理像素映射到坐标点）  （缩小、放大：GL_LINEAR线性）
    GLES20.glTexParameteri(GLES20.GL_TEXTURE_2D, GLES20.GL_TEXTURE_MIN_FILTER, GLES20.GL_LINEAR);
    GLES20.glTexParameteri(GLES20.GL_TEXTURE_2D, GLES20.GL_TEXTURE_MAG_FILTER, GLES20.GL_LINEAR);

    //4. 把纹理绑定到FBO
    GLES20.glFramebufferTexture2D(GLES20.GL_FRAMEBUFFER, GLES20.GL_COLOR_ATTACHMENT0,
            GLES20.GL_TEXTURE_2D, fboTextureId, 0);

    //5. 设置FBO分配内存大小
    GLES20.glTexImage2D(GLES20.GL_TEXTURE_2D, 0, GLES20.GL_RGBA, w, h,
            0, GLES20.GL_RGBA, GLES20.GL_UNSIGNED_BYTE, null);

    //6. 检测是否绑定成功
    if (GLES20.glCheckFramebufferStatus(GLES20.GL_FRAMEBUFFER)
            != GLES20.GL_FRAMEBUFFER_COMPLETE) {
        Log.d(TAG, "createFBO: 纹理绑定FBO失败");
    }
    //7. 解绑纹理和FBO
    GLES20.glBindTexture(GLES20.GL_TEXTURE_2D, 0);
    GLES20.glBindFramebuffer(GLES20.GL_FRAMEBUFFER, 0);
}

Source File: GLES20Canvas.java From TurboLauncher with Apache License 2.0

5 votes

private void setRenderTarget(BasicTexture oldTexture, RawTexture texture) {
    if (oldTexture == null && texture != null) {
        GLES20.glGenFramebuffers(1, mFrameBuffer, 0);
        checkError();
        GLES20.glBindFramebuffer(GLES20.GL_FRAMEBUFFER, mFrameBuffer[0]);
        checkError();
    } else if (oldTexture != null && texture == null) {
        GLES20.glBindFramebuffer(GLES20.GL_FRAMEBUFFER, 0);
        checkError();
        GLES20.glDeleteFramebuffers(1, mFrameBuffer, 0);
        checkError();
    }

    if (texture == null) {
        setSize(mScreenWidth, mScreenHeight);
    } else {
        setSize(texture.getWidth(), texture.getHeight());

        if (!texture.isLoaded()) {
            texture.prepare(this);
        }

        GLES20.glFramebufferTexture2D(GLES20.GL_FRAMEBUFFER, GLES20.GL_COLOR_ATTACHMENT0,
                texture.getTarget(), texture.getId(), 0);
        checkError();

        checkFramebufferStatus();
    }
}

Source File: CameraGLRendererBase.java From react-native-documentscanner-android with MIT License

5 votes

private void initFBO(int width, int height)
{
    Log.d(LOGTAG, "initFBO("+width+"x"+height+")");

    deleteFBO();

    GLES20.glGenTextures(1, texDraw, 0);
    GLES20.glBindTexture(GLES20.GL_TEXTURE_2D, texDraw[0]);
    GLES20.glTexImage2D(GLES20.GL_TEXTURE_2D, 0, GLES20.GL_RGBA, width, height, 0, GLES20.GL_RGBA, GLES20.GL_UNSIGNED_BYTE, null);
    GLES20.glTexParameteri(GLES20.GL_TEXTURE_2D, GLES20.GL_TEXTURE_WRAP_S, GLES20.GL_CLAMP_TO_EDGE);
    GLES20.glTexParameteri(GLES20.GL_TEXTURE_2D, GLES20.GL_TEXTURE_WRAP_T, GLES20.GL_CLAMP_TO_EDGE);
    GLES20.glTexParameteri(GLES20.GL_TEXTURE_2D, GLES20.GL_TEXTURE_MIN_FILTER, GLES20.GL_NEAREST);
    GLES20.glTexParameteri(GLES20.GL_TEXTURE_2D, GLES20.GL_TEXTURE_MAG_FILTER, GLES20.GL_NEAREST);

    GLES20.glGenTextures(1, texFBO, 0);
    GLES20.glBindTexture(GLES20.GL_TEXTURE_2D, texFBO[0]);
    GLES20.glTexImage2D(GLES20.GL_TEXTURE_2D, 0, GLES20.GL_RGBA, width, height, 0, GLES20.GL_RGBA, GLES20.GL_UNSIGNED_BYTE, null);
    GLES20.glTexParameteri(GLES20.GL_TEXTURE_2D, GLES20.GL_TEXTURE_WRAP_S, GLES20.GL_CLAMP_TO_EDGE);
    GLES20.glTexParameteri(GLES20.GL_TEXTURE_2D, GLES20.GL_TEXTURE_WRAP_T, GLES20.GL_CLAMP_TO_EDGE);
    GLES20.glTexParameteri(GLES20.GL_TEXTURE_2D, GLES20.GL_TEXTURE_MIN_FILTER, GLES20.GL_NEAREST);
    GLES20.glTexParameteri(GLES20.GL_TEXTURE_2D, GLES20.GL_TEXTURE_MAG_FILTER, GLES20.GL_NEAREST);

    //int hFBO;
    GLES20.glGenFramebuffers(1, FBO, 0);
    GLES20.glBindFramebuffer(GLES20.GL_FRAMEBUFFER, FBO[0]);
    GLES20.glFramebufferTexture2D(GLES20.GL_FRAMEBUFFER, GLES20.GL_COLOR_ATTACHMENT0, GLES20.GL_TEXTURE_2D, texFBO[0], 0);
    Log.d(LOGTAG, "initFBO error status: " + GLES20.glGetError());

    int FBOstatus = GLES20.glCheckFramebufferStatus(GLES20.GL_FRAMEBUFFER);
    if (FBOstatus != GLES20.GL_FRAMEBUFFER_COMPLETE)
        Log.e(LOGTAG, "initFBO failed, status: " + FBOstatus);

    mFBOWidth  = width;
    mFBOHeight = height;
}

Source File: GLES20Canvas.java From LB-Launcher with Apache License 2.0

5 votes

private void setRenderTarget(BasicTexture oldTexture, RawTexture texture) {
    if (oldTexture == null && texture != null) {
        GLES20.glGenFramebuffers(1, mFrameBuffer, 0);
        checkError();
        GLES20.glBindFramebuffer(GLES20.GL_FRAMEBUFFER, mFrameBuffer[0]);
        checkError();
    } else if (oldTexture != null && texture == null) {
        GLES20.glBindFramebuffer(GLES20.GL_FRAMEBUFFER, 0);
        checkError();
        GLES20.glDeleteFramebuffers(1, mFrameBuffer, 0);
        checkError();
    }

    if (texture == null) {
        setSize(mScreenWidth, mScreenHeight);
    } else {
        setSize(texture.getWidth(), texture.getHeight());

        if (!texture.isLoaded()) {
            texture.prepare(this);
        }

        GLES20.glFramebufferTexture2D(GLES20.GL_FRAMEBUFFER, GLES20.GL_COLOR_ATTACHMENT0,
                texture.getTarget(), texture.getId(), 0);
        checkError();

        checkFramebufferStatus();
    }
}

Source File: CameraSurfaceView.java From Paddle-Lite-Demo with Apache License 2.0

4 votes

public void openCamera() {
    if (disableCamera) return;
    camera = Camera.open(selectedCameraId);
    List<Size> supportedPreviewSizes = camera.getParameters().getSupportedPreviewSizes();
    Size previewSize = Utils.getOptimalPreviewSize(supportedPreviewSizes, EXPECTED_PREVIEW_WIDTH,
            EXPECTED_PREVIEW_HEIGHT);
    Camera.Parameters parameters = camera.getParameters();
    parameters.setPreviewSize(previewSize.width, previewSize.height);
    if (parameters.getSupportedFocusModes().contains(Camera.Parameters.FOCUS_MODE_CONTINUOUS_VIDEO)) {
        parameters.setFocusMode(Camera.Parameters.FOCUS_MODE_CONTINUOUS_VIDEO);
    }
    camera.setParameters(parameters);
    int degree = Utils.getCameraDisplayOrientation(context, selectedCameraId);
    camera.setDisplayOrientation(degree);
    boolean rotate = degree == 90 || degree == 270;
    textureWidth = rotate ? previewSize.height : previewSize.width;
    textureHeight = rotate ? previewSize.width : previewSize.height;
    // Destroy FBO and draw textures
    GLES20.glBindFramebuffer(GLES20.GL_FRAMEBUFFER, 0);
    GLES20.glDeleteFramebuffers(1, fbo, 0);
    GLES20.glDeleteTextures(1, drawTexureId, 0);
    GLES20.glDeleteTextures(1, fboTexureId, 0);
    // Normal texture for storing modified camera preview data(RGBA format)
    GLES20.glGenTextures(1, drawTexureId, 0);
    GLES20.glBindTexture(GLES20.GL_TEXTURE_2D, drawTexureId[0]);
    GLES20.glTexImage2D(GLES20.GL_TEXTURE_2D, 0, GLES20.GL_RGBA, textureWidth, textureHeight, 0,
            GLES20.GL_RGBA, GLES20.GL_UNSIGNED_BYTE, null);
    GLES20.glTexParameteri(GLES20.GL_TEXTURE_2D, GLES20.GL_TEXTURE_WRAP_S, GLES20.GL_CLAMP_TO_EDGE);
    GLES20.glTexParameteri(GLES20.GL_TEXTURE_2D, GLES20.GL_TEXTURE_WRAP_T, GLES20.GL_CLAMP_TO_EDGE);
    GLES20.glTexParameteri(GLES20.GL_TEXTURE_2D, GLES20.GL_TEXTURE_MIN_FILTER, GLES20.GL_NEAREST);
    GLES20.glTexParameteri(GLES20.GL_TEXTURE_2D, GLES20.GL_TEXTURE_MAG_FILTER, GLES20.GL_NEAREST);
    // FBO texture for storing camera preview data(RGBA format)
    GLES20.glGenTextures(1, fboTexureId, 0);
    GLES20.glBindTexture(GLES20.GL_TEXTURE_2D, fboTexureId[0]);
    GLES20.glTexImage2D(GLES20.GL_TEXTURE_2D, 0, GLES20.GL_RGBA, textureWidth, textureHeight, 0,
            GLES20.GL_RGBA, GLES20.GL_UNSIGNED_BYTE, null);
    GLES20.glTexParameteri(GLES20.GL_TEXTURE_2D, GLES20.GL_TEXTURE_WRAP_S, GLES20.GL_CLAMP_TO_EDGE);
    GLES20.glTexParameteri(GLES20.GL_TEXTURE_2D, GLES20.GL_TEXTURE_WRAP_T, GLES20.GL_CLAMP_TO_EDGE);
    GLES20.glTexParameteri(GLES20.GL_TEXTURE_2D, GLES20.GL_TEXTURE_MIN_FILTER, GLES20.GL_NEAREST);
    GLES20.glTexParameteri(GLES20.GL_TEXTURE_2D, GLES20.GL_TEXTURE_MAG_FILTER, GLES20.GL_NEAREST);
    // Generate FBO and bind to FBO texture
    GLES20.glGenFramebuffers(1, fbo, 0);
    GLES20.glBindFramebuffer(GLES20.GL_FRAMEBUFFER, fbo[0]);
    GLES20.glFramebufferTexture2D(GLES20.GL_FRAMEBUFFER, GLES20.GL_COLOR_ATTACHMENT0, GLES20.GL_TEXTURE_2D,
            fboTexureId[0], 0);
    try {
        camera.setPreviewTexture(surfaceTexture);
    } catch (IOException exception) {
        Log.e(TAG, "IOException caused by setPreviewDisplay()", exception);
    }
    camera.startPreview();
}

Source File: CameraSurfaceView.java From Paddle-Lite-Demo with Apache License 2.0

4 votes

public void openCamera() {
    if (disableCamera) return;
    camera = Camera.open(selectedCameraId);
    List<Size> supportedPreviewSizes = camera.getParameters().getSupportedPreviewSizes();
    Size previewSize = Utils.getOptimalPreviewSize(supportedPreviewSizes, EXPECTED_PREVIEW_WIDTH,
            EXPECTED_PREVIEW_HEIGHT);
    Camera.Parameters parameters = camera.getParameters();
    parameters.setPreviewSize(previewSize.width, previewSize.height);
    if (parameters.getSupportedFocusModes().contains(Camera.Parameters.FOCUS_MODE_CONTINUOUS_VIDEO)) {
        parameters.setFocusMode(Camera.Parameters.FOCUS_MODE_CONTINUOUS_VIDEO);
    }
    camera.setParameters(parameters);
    int degree = Utils.getCameraDisplayOrientation(context, selectedCameraId);
    camera.setDisplayOrientation(degree);
    boolean rotate = degree == 90 || degree == 270;
    textureWidth = rotate ? previewSize.height : previewSize.width;
    textureHeight = rotate ? previewSize.width : previewSize.height;
    // Destroy FBO and draw textures
    GLES20.glBindFramebuffer(GLES20.GL_FRAMEBUFFER, 0);
    GLES20.glDeleteFramebuffers(1, fbo, 0);
    GLES20.glDeleteTextures(1, drawTexureId, 0);
    GLES20.glDeleteTextures(1, fboTexureId, 0);
    // Normal texture for storing modified camera preview data(RGBA format)
    GLES20.glGenTextures(1, drawTexureId, 0);
    GLES20.glBindTexture(GLES20.GL_TEXTURE_2D, drawTexureId[0]);
    GLES20.glTexImage2D(GLES20.GL_TEXTURE_2D, 0, GLES20.GL_RGBA, textureWidth, textureHeight, 0,
            GLES20.GL_RGBA, GLES20.GL_UNSIGNED_BYTE, null);
    GLES20.glTexParameteri(GLES20.GL_TEXTURE_2D, GLES20.GL_TEXTURE_WRAP_S, GLES20.GL_CLAMP_TO_EDGE);
    GLES20.glTexParameteri(GLES20.GL_TEXTURE_2D, GLES20.GL_TEXTURE_WRAP_T, GLES20.GL_CLAMP_TO_EDGE);
    GLES20.glTexParameteri(GLES20.GL_TEXTURE_2D, GLES20.GL_TEXTURE_MIN_FILTER, GLES20.GL_NEAREST);
    GLES20.glTexParameteri(GLES20.GL_TEXTURE_2D, GLES20.GL_TEXTURE_MAG_FILTER, GLES20.GL_NEAREST);
    // FBO texture for storing camera preview data(RGBA format)
    GLES20.glGenTextures(1, fboTexureId, 0);
    GLES20.glBindTexture(GLES20.GL_TEXTURE_2D, fboTexureId[0]);
    GLES20.glTexImage2D(GLES20.GL_TEXTURE_2D, 0, GLES20.GL_RGBA, textureWidth, textureHeight, 0,
            GLES20.GL_RGBA, GLES20.GL_UNSIGNED_BYTE, null);
    GLES20.glTexParameteri(GLES20.GL_TEXTURE_2D, GLES20.GL_TEXTURE_WRAP_S, GLES20.GL_CLAMP_TO_EDGE);
    GLES20.glTexParameteri(GLES20.GL_TEXTURE_2D, GLES20.GL_TEXTURE_WRAP_T, GLES20.GL_CLAMP_TO_EDGE);
    GLES20.glTexParameteri(GLES20.GL_TEXTURE_2D, GLES20.GL_TEXTURE_MIN_FILTER, GLES20.GL_NEAREST);
    GLES20.glTexParameteri(GLES20.GL_TEXTURE_2D, GLES20.GL_TEXTURE_MAG_FILTER, GLES20.GL_NEAREST);
    // Generate FBO and bind to FBO texture
    GLES20.glGenFramebuffers(1, fbo, 0);
    GLES20.glBindFramebuffer(GLES20.GL_FRAMEBUFFER, fbo[0]);
    GLES20.glFramebufferTexture2D(GLES20.GL_FRAMEBUFFER, GLES20.GL_COLOR_ATTACHMENT0, GLES20.GL_TEXTURE_2D,
            fboTexureId[0], 0);
    try {
        camera.setPreviewTexture(surfaceTexture);
    } catch (IOException exception) {
        Log.e(TAG, "IOException caused by setPreviewDisplay()", exception);
    }
    camera.startPreview();
}

Source File: MyRenderer.java From Viewer with Apache License 2.0

4 votes

@Override
public void onSurfaceCreated(GL10 gl, EGLConfig config)
{
	frameBuffer = IntBuffer.allocate(1);
	renderBuffer = IntBuffer.allocate(1);

	GLES20.glEnable(GLES20.GL_TEXTURE_2D);

	GLES20.glGenFramebuffers(1, frameBuffer);
	GLES20.glGenRenderbuffers(1, renderBuffer);
	GLES20.glActiveTexture(GLES20.GL_ACTIVE_TEXTURE);
	GLES20.glBindFramebuffer(GLES20.GL_FRAMEBUFFER, frameBuffer.get(0));
	GLES20.glClear(0);
	GLES20.glBindRenderbuffer(GLES20.GL_RENDERBUFFER, renderBuffer.get(0));

	GLES20.glRenderbufferStorage(GLES20.GL_RENDERBUFFER, GLES20.GL_DEPTH_COMPONENT16, 1280, 720);

	parameterBufferHeigth = IntBuffer.allocate(1);
	parameterBufferWidth = IntBuffer.allocate(1);
	GLES20.glGetRenderbufferParameteriv(GLES20.GL_RENDERBUFFER, GLES20.GL_RENDERBUFFER_WIDTH, parameterBufferWidth);
	GLES20.glGetRenderbufferParameteriv(GLES20.GL_RENDERBUFFER, GLES20.GL_RENDERBUFFER_HEIGHT, parameterBufferHeigth);
	GLES20.glFramebufferRenderbuffer(GLES20.GL_FRAMEBUFFER, GLES20.GL_COLOR_ATTACHMENT0, GLES20.GL_RENDERBUFFER, renderBuffer.get(0));
	if (GLES20.glCheckFramebufferStatus(GLES20.GL_FRAMEBUFFER) != GLES20.GL_FRAMEBUFFER_COMPLETE)
	{
		System.out.println("gl frame buffer status != frame buffer complete");
	}
	GLES20.glBindFramebuffer(GLES20.GL_FRAMEBUFFER, 0);
	GLES20.glClear(0);

	mProgramObject = loadProgram(VERTEX_SHADER, FRAG_SHADER);

	mPositionLoc = GLES20.glGetAttribLocation(mProgramObject, "vPosition");
	mTexCoordLoc = GLES20.glGetAttribLocation(mProgramObject, "a_texCoord");

	GLES20.glEnable(GLES20.GL_TEXTURE_2D);
	yTexture = GLES20.glGetUniformLocation(mProgramObject, "SamplerY");
	yTextureNames = new int[1];
	GLES20.glGenTextures(1, yTextureNames, 0);

	GLES20.glEnable(GLES20.GL_TEXTURE_2D);
	uTexture = GLES20.glGetUniformLocation(mProgramObject, "SamplerU");
	uTextureNames = new int[1];
	GLES20.glGenTextures(1, uTextureNames, 0);

	GLES20.glEnable(GLES20.GL_TEXTURE_2D);
	vTexture = GLES20.glGetUniformLocation(mProgramObject, "SamplerV");
	vTextureNames = new int[1];
	GLES20.glGenTextures(1, vTextureNames, 0);

	GLES20.glClearColor(0.957f, 0.937f, 0.921f, 0.0f);
}

Source File: RecordFBOActivity.java From grafika with Apache License 2.0

4 votes

/**
 * Prepares the off-screen framebuffer.
 */
private void prepareFramebuffer(int width, int height) {
    GlUtil.checkGlError("prepareFramebuffer start");

    int[] values = new int[1];

    // Create a texture object and bind it.  This will be the color buffer.
    GLES20.glGenTextures(1, values, 0);
    GlUtil.checkGlError("glGenTextures");
    mOffscreenTexture = values[0];   // expected > 0
    GLES20.glBindTexture(GLES20.GL_TEXTURE_2D, mOffscreenTexture);
    GlUtil.checkGlError("glBindTexture " + mOffscreenTexture);

    // Create texture storage.
    GLES20.glTexImage2D(GLES20.GL_TEXTURE_2D, 0, GLES20.GL_RGBA, width, height, 0,
            GLES20.GL_RGBA, GLES20.GL_UNSIGNED_BYTE, null);

    // Set parameters.  We're probably using non-power-of-two dimensions, so
    // some values may not be available for use.
    GLES20.glTexParameterf(GLES20.GL_TEXTURE_2D, GLES20.GL_TEXTURE_MIN_FILTER,
            GLES20.GL_NEAREST);
    GLES20.glTexParameterf(GLES20.GL_TEXTURE_2D, GLES20.GL_TEXTURE_MAG_FILTER,
            GLES20.GL_LINEAR);
    GLES20.glTexParameteri(GLES20.GL_TEXTURE_2D, GLES20.GL_TEXTURE_WRAP_S,
            GLES20.GL_CLAMP_TO_EDGE);
    GLES20.glTexParameteri(GLES20.GL_TEXTURE_2D, GLES20.GL_TEXTURE_WRAP_T,
            GLES20.GL_CLAMP_TO_EDGE);
    GlUtil.checkGlError("glTexParameter");

    // Create framebuffer object and bind it.
    GLES20.glGenFramebuffers(1, values, 0);
    GlUtil.checkGlError("glGenFramebuffers");
    mFramebuffer = values[0];    // expected > 0
    GLES20.glBindFramebuffer(GLES20.GL_FRAMEBUFFER, mFramebuffer);
    GlUtil.checkGlError("glBindFramebuffer " + mFramebuffer);

    // Create a depth buffer and bind it.
    GLES20.glGenRenderbuffers(1, values, 0);
    GlUtil.checkGlError("glGenRenderbuffers");
    mDepthBuffer = values[0];    // expected > 0
    GLES20.glBindRenderbuffer(GLES20.GL_RENDERBUFFER, mDepthBuffer);
    GlUtil.checkGlError("glBindRenderbuffer " + mDepthBuffer);

    // Allocate storage for the depth buffer.
    GLES20.glRenderbufferStorage(GLES20.GL_RENDERBUFFER, GLES20.GL_DEPTH_COMPONENT16,
            width, height);
    GlUtil.checkGlError("glRenderbufferStorage");

    // Attach the depth buffer and the texture (color buffer) to the framebuffer object.
    GLES20.glFramebufferRenderbuffer(GLES20.GL_FRAMEBUFFER, GLES20.GL_DEPTH_ATTACHMENT,
            GLES20.GL_RENDERBUFFER, mDepthBuffer);
    GlUtil.checkGlError("glFramebufferRenderbuffer");
    GLES20.glFramebufferTexture2D(GLES20.GL_FRAMEBUFFER, GLES20.GL_COLOR_ATTACHMENT0,
            GLES20.GL_TEXTURE_2D, mOffscreenTexture, 0);
    GlUtil.checkGlError("glFramebufferTexture2D");

    // See if GLES is happy with all this.
    int status = GLES20.glCheckFramebufferStatus(GLES20.GL_FRAMEBUFFER);
    if (status != GLES20.GL_FRAMEBUFFER_COMPLETE) {
        throw new RuntimeException("Framebuffer not complete, status=" + status);
    }

    // Switch back to the default framebuffer.
    GLES20.glBindFramebuffer(GLES20.GL_FRAMEBUFFER, 0);

    GlUtil.checkGlError("prepareFramebuffer done");
}

Source File: OpenGlUtils.java From TikTok with Apache License 2.0

4 votes

public static Bitmap drawToBitmapByFilter(Bitmap bitmap, GPUImageFilter filter,
                                          int displayWidth, int displayHeight, boolean rotate){
    if(filter == null)
        return null;
    int width = bitmap.getWidth();
    int height = bitmap.getHeight();
    int[] mFrameBuffers = new int[1];
    int[] mFrameBufferTextures = new int[1];
    GLES20.glGenFramebuffers(1, mFrameBuffers, 0);
    GLES20.glGenTextures(1, mFrameBufferTextures, 0);
    GLES20.glBindTexture(GLES20.GL_TEXTURE_2D, mFrameBufferTextures[0]);
    GLES20.glTexImage2D(GLES20.GL_TEXTURE_2D, 0, GLES20.GL_RGBA, width, height, 0,
            GLES20.GL_RGBA, GLES20.GL_UNSIGNED_BYTE, null);
    GLES20.glTexParameterf(GLES20.GL_TEXTURE_2D,
            GLES20.GL_TEXTURE_MAG_FILTER, GLES20.GL_LINEAR);
    GLES20.glTexParameterf(GLES20.GL_TEXTURE_2D,
            GLES20.GL_TEXTURE_MIN_FILTER, GLES20.GL_LINEAR);
    GLES20.glTexParameterf(GLES20.GL_TEXTURE_2D,
            GLES20.GL_TEXTURE_WRAP_S, GLES20.GL_CLAMP_TO_EDGE);
    GLES20.glTexParameterf(GLES20.GL_TEXTURE_2D,
            GLES20.GL_TEXTURE_WRAP_T, GLES20.GL_CLAMP_TO_EDGE);
    GLES20.glBindFramebuffer(GLES20.GL_FRAMEBUFFER, mFrameBuffers[0]);
    GLES20.glFramebufferTexture2D(GLES20.GL_FRAMEBUFFER, GLES20.GL_COLOR_ATTACHMENT0,
            GLES20.GL_TEXTURE_2D, mFrameBufferTextures[0], 0);
    GLES20.glViewport(0, 0, width, height);
    filter.onInputSizeChanged(width, height);
    filter.onDisplaySizeChanged(displayWidth, displayHeight);
    int textureId = OpenGlUtils.loadTexture(bitmap, OpenGlUtils.NO_TEXTURE, true);
    if(rotate){
        FloatBuffer gLCubeBuffer = ByteBuffer
                .allocateDirect(TextureRotationUtil.CUBE_BAAB.length * 4)
                .order(ByteOrder.nativeOrder())
                .asFloatBuffer();
        gLCubeBuffer.put(TextureRotationUtil.CUBE_BAAB).position(0);

        FloatBuffer gLTextureBuffer = ByteBuffer
                .allocateDirect(TextureRotationUtil.TEXTURE_NO_ROTATION.length * 4)
                .order(ByteOrder.nativeOrder())
                .asFloatBuffer();
        gLTextureBuffer.put(TextureRotationUtil.getRotation(Rotation.ROTATION_90, true, false)).position(0);
        filter.onDrawFrame(textureId, gLCubeBuffer, gLTextureBuffer);
    }else {
        filter.onDrawFrame(textureId);
    }
    IntBuffer ib = IntBuffer.allocate(width * height);
    GLES20.glReadPixels(0, 0, width, height, GLES20.GL_RGBA, GLES20.GL_UNSIGNED_BYTE, ib);
    Bitmap result = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888);
    result.copyPixelsFromBuffer(IntBuffer.wrap(ib.array()));
    GLES20.glDeleteTextures(1, new int[]{textureId}, 0);
    GLES20.glDeleteFramebuffers(1, mFrameBuffers, 0);
    GLES20.glDeleteTextures(1, mFrameBufferTextures, 0);
    filter.onInputSizeChanged(displayWidth, displayHeight);
    return result;
}

Source File: Painting.java From Telegram with GNU General Public License v2.0

4 votes

public PaintingData getPaintingData(RectF rect, boolean undo) {
    int minX = (int) rect.left;
    int minY = (int) rect.top;
    int width = (int) rect.width();
    int height = (int) rect.height();

    GLES20.glGenFramebuffers(1, buffers, 0);
    int framebuffer = buffers[0];
    GLES20.glBindFramebuffer(GLES20.GL_FRAMEBUFFER, framebuffer);

    GLES20.glGenTextures(1, buffers, 0);
    int texture = buffers[0];

    GLES20.glBindTexture(GLES20.GL_TEXTURE_2D, texture);
    GLES20.glTexParameteri(GL10.GL_TEXTURE_2D, GL10.GL_TEXTURE_WRAP_S, GL10.GL_CLAMP_TO_EDGE);
    GLES20.glTexParameteri(GL10.GL_TEXTURE_2D, GL10.GL_TEXTURE_WRAP_T, GL10.GL_CLAMP_TO_EDGE);
    GLES20.glTexParameteri(GL10.GL_TEXTURE_2D, GL10.GL_TEXTURE_MIN_FILTER, GL10.GL_LINEAR);
    GLES20.glTexParameteri(GL10.GL_TEXTURE_2D, GL10.GL_TEXTURE_MAG_FILTER, GL10.GL_NEAREST);
    GLES20.glTexImage2D(GLES20.GL_TEXTURE_2D, 0, GLES20.GL_RGBA, width, height, 0, GLES20.GL_RGBA, GLES20.GL_UNSIGNED_BYTE, null);

    GLES20.glFramebufferTexture2D(GLES20.GL_FRAMEBUFFER, GLES20.GL_COLOR_ATTACHMENT0, GLES20.GL_TEXTURE_2D, texture, 0);

    GLES20.glViewport(0, 0, (int) size.width, (int) size.height);

    if (shaders == null) {
        return null;
    }
    Shader shader = shaders.get(undo ? "nonPremultipliedBlit" : "blit");
    if (shader == null) {
        return null;
    }
    GLES20.glUseProgram(shader.program);

    Matrix translate = new Matrix();
    translate.preTranslate(-minX, -minY);
    float[] effective = GLMatrix.LoadGraphicsMatrix(translate);
    float[] finalProjection = GLMatrix.MultiplyMat4f(projection, effective);

    GLES20.glUniformMatrix4fv(shader.getUniform("mvpMatrix"), 1, false, FloatBuffer.wrap(finalProjection));

    GLES20.glUniform1i(shader.getUniform("texture"), 0);

    GLES20.glActiveTexture(GLES20.GL_TEXTURE0);
    GLES20.glBindTexture(GLES20.GL_TEXTURE_2D, getTexture());

    GLES20.glClearColor(0, 0, 0, 0);
    GLES20.glClear(GLES20.GL_COLOR_BUFFER_BIT);

    GLES20.glBlendFunc(GLES20.GL_ONE, GLES20.GL_ZERO);

    GLES20.glVertexAttribPointer(0, 2, GLES20.GL_FLOAT, false, 8, vertexBuffer);
    GLES20.glEnableVertexAttribArray(0);
    GLES20.glVertexAttribPointer(1, 2, GLES20.GL_FLOAT, false, 8, textureBuffer);
    GLES20.glEnableVertexAttribArray(1);

    GLES20.glDrawArrays(GLES20.GL_TRIANGLE_STRIP, 0, 4);

    dataBuffer.limit(width * height * 4);
    GLES20.glReadPixels(0, 0, width, height, GLES20.GL_RGBA, GLES20.GL_UNSIGNED_BYTE, dataBuffer);

    PaintingData data;
    if (undo) {
        data = new PaintingData(null, dataBuffer);
    } else {
        Bitmap bitmap = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888);
        bitmap.copyPixelsFromBuffer(dataBuffer);

        data = new PaintingData(bitmap, null);
    }

    buffers[0] = framebuffer;
    GLES20.glDeleteFramebuffers(1, buffers, 0);

    buffers[0] = texture;
    GLES20.glDeleteTextures(1, buffers, 0);

    return data;
}

Source File: FrameBuffer.java From media-for-mobile with Apache License 2.0

4 votes

@Override
public void setResolution(Resolution res) {
    resolution = res;
    if (framebuffer != -1) {
        release();
    }
    int[] glValues = new int[1];

    GLES20.glGenTextures(1, glValues, 0);
    utils.checkEglError("glGenTextures");
    offScreenTexture = glValues[0];

    GLES20.glBindTexture(GLES20.GL_TEXTURE_2D, offScreenTexture);
    utils.checkEglError("glBindTexture");

    GLES20.glTexImage2D(GLES20.GL_TEXTURE_2D, 0, GLES20.GL_RGBA, res.width(), res.height(), 0, GLES20.GL_RGBA, GLES20.GL_UNSIGNED_BYTE, null);
    utils.checkEglError("glTexImage2D");

    GLES20.glTexParameterf(GLES20.GL_TEXTURE_2D, GLES20.GL_TEXTURE_MIN_FILTER, GLES20.GL_NEAREST);
    GLES20.glTexParameterf(GLES20.GL_TEXTURE_2D, GLES20.GL_TEXTURE_MAG_FILTER, GLES20.GL_LINEAR);
    GLES20.glTexParameteri(GLES20.GL_TEXTURE_2D, GLES20.GL_TEXTURE_WRAP_S, GLES20.GL_CLAMP_TO_EDGE);
    GLES20.glTexParameteri(GLES20.GL_TEXTURE_2D, GLES20.GL_TEXTURE_WRAP_T, GLES20.GL_CLAMP_TO_EDGE);

    GLES20.glGenFramebuffers(1, glValues, 0);
    utils.checkEglError("glGenFramebuffers");

    framebuffer = glValues[0];

    GLES20.glBindFramebuffer(GLES20.GL_FRAMEBUFFER, framebuffer);
    utils.checkEglError("glBindFramebuffer");

    GLES20.glGenRenderbuffers(1, glValues, 0);
    utils.checkEglError("glGenRenderbuffers");
    depthBuffer = glValues[0];

    GLES20.glBindRenderbuffer(GLES20.GL_RENDERBUFFER, depthBuffer);
    utils.checkEglError("glBindRenderbuffer");

    GLES20.glRenderbufferStorage(GLES20.GL_RENDERBUFFER, GLES20.GL_DEPTH_COMPONENT16, res.width(), res.height());
    utils.checkEglError("glRenderbufferStorage");

    GLES20.glFramebufferRenderbuffer(GLES20.GL_FRAMEBUFFER, GLES20.GL_DEPTH_ATTACHMENT, GLES20.GL_RENDERBUFFER, depthBuffer);
    utils.checkEglError("glFramebufferRenderbuffer");

    GLES20.glFramebufferTexture2D(GLES20.GL_FRAMEBUFFER, GLES20.GL_COLOR_ATTACHMENT0, GLES20.GL_TEXTURE_2D, offScreenTexture, 0);
    utils.checkEglError("glFramebufferTexture2D");

    int status = GLES20.glCheckFramebufferStatus(GLES20.GL_FRAMEBUFFER);
    utils.checkEglError("glCheckFramebufferStatus");



    if (status != GLES20.GL_FRAMEBUFFER_COMPLETE) {
        throw new RuntimeException("Incomplete framebuffer. Status: " + status);
    }

    GLES20.glBindFramebuffer(GLES20.GL_FRAMEBUFFER, 0);
    utils.checkEglError("glBindFramebuffer(0)");
}

Source File: BitmapOutput.java From AndroidFastImageProcessing with MIT License

votes

private void initFBO() {
		if(frameBuffer != null) {
			GLES20.glDeleteFramebuffers(1, frameBuffer, 0);
			frameBuffer = null;
		}
		if(texture_out != null) {
			GLES20.glDeleteTextures(1, texture_out, 0);
			texture_out = null;
		}
		if(depthRenderBuffer != null) {
			GLES20.glDeleteRenderbuffers(1, depthRenderBuffer, 0);
			depthRenderBuffer = null;
		}
		frameBuffer = new int[1];
		texture_out = new int[1];
		depthRenderBuffer = new int[1];
		GLES20.glGenFramebuffers(1, frameBuffer, 0);
		GLES20.glGenRenderbuffers(1, depthRenderBuffer, 0);
		GLES20.glGenTextures(1, texture_out, 0);
		
		GLES20.glBindFramebuffer(GLES20.GL_FRAMEBUFFER, frameBuffer[0]);
		
		GLES20.glActiveTexture(GLES20.GL_TEXTURE0);
		GLES20.glBindTexture(GLES20.GL_TEXTURE_2D, texture_out[0]);
		GLES20.glTexImage2D(GLES20.GL_TEXTURE_2D, 0, GLES20.GL_RGBA, getWidth(), getHeight(), 0, GLES20.GL_RGBA, GLES20.GL_UNSIGNED_BYTE, null);
		GLES20.glTexParameteri(GLES20.GL_TEXTURE_2D, GLES20.GL_TEXTURE_WRAP_S, GLES20.GL_CLAMP_TO_EDGE);
		GLES20.glTexParameteri(GLES20.GL_TEXTURE_2D, GLES20.GL_TEXTURE_WRAP_T, GLES20.GL_CLAMP_TO_EDGE);
		GLES20.glTexParameteri(GLES20.GL_TEXTURE_2D, GLES20.GL_TEXTURE_MAG_FILTER, GLES20.GL_LINEAR);
		GLES20.glTexParameteri(GLES20.GL_TEXTURE_2D, GLES20.GL_TEXTURE_MIN_FILTER, GLES20.GL_LINEAR);
		GLES20.glFramebufferTexture2D(GLES20.GL_FRAMEBUFFER, GLES20.GL_COLOR_ATTACHMENT0, GLES20.GL_TEXTURE_2D, texture_out[0], 0);
		
		GLES20.glBindRenderbuffer(GLES20.GL_RENDERBUFFER, depthRenderBuffer[0]);
		GLES20.glRenderbufferStorage(GLES20.GL_RENDERBUFFER, GLES20.GL_DEPTH_COMPONENT16, getWidth(), getHeight());
		GLES20.glFramebufferRenderbuffer(GLES20.GL_FRAMEBUFFER, GLES20.GL_DEPTH_ATTACHMENT, GLES20.GL_RENDERBUFFER, depthRenderBuffer[0]);
		
		int status = GLES20.glCheckFramebufferStatus(GLES20.GL_FRAMEBUFFER);
		if (status != GLES20.GL_FRAMEBUFFER_COMPLETE) {
			throw new RuntimeException(this+": Failed to set up render buffer with status "+status+" and error "+GLES20.glGetError());
		}
	}

Source File: BitmapOutput.java From UltimateAndroid with Apache License 2.0

votes

private void initFBO() {
		if(frameBuffer != null) {
			GLES20.glDeleteFramebuffers(1, frameBuffer, 0);
			frameBuffer = null;
		}
		if(texture_out != null) {
			GLES20.glDeleteTextures(1, texture_out, 0);
			texture_out = null;
		}
		if(depthRenderBuffer != null) {
			GLES20.glDeleteRenderbuffers(1, depthRenderBuffer, 0);
			depthRenderBuffer = null;
		}
		frameBuffer = new int[1];
		texture_out = new int[1];
		depthRenderBuffer = new int[1];
		GLES20.glGenFramebuffers(1, frameBuffer, 0);
		GLES20.glGenRenderbuffers(1, depthRenderBuffer, 0);
		GLES20.glGenTextures(1, texture_out, 0);
		
		GLES20.glBindFramebuffer(GLES20.GL_FRAMEBUFFER, frameBuffer[0]);
		
		GLES20.glActiveTexture(GLES20.GL_TEXTURE0);
		GLES20.glBindTexture(GLES20.GL_TEXTURE_2D, texture_out[0]);
		GLES20.glTexImage2D(GLES20.GL_TEXTURE_2D, 0, GLES20.GL_RGBA, getWidth(), getHeight(), 0, GLES20.GL_RGBA, GLES20.GL_UNSIGNED_BYTE, null);
		GLES20.glTexParameteri(GLES20.GL_TEXTURE_2D, GLES20.GL_TEXTURE_WRAP_S, GLES20.GL_CLAMP_TO_EDGE);
		GLES20.glTexParameteri(GLES20.GL_TEXTURE_2D, GLES20.GL_TEXTURE_WRAP_T, GLES20.GL_CLAMP_TO_EDGE);
		GLES20.glTexParameteri(GLES20.GL_TEXTURE_2D, GLES20.GL_TEXTURE_MAG_FILTER, GLES20.GL_LINEAR);
		GLES20.glTexParameteri(GLES20.GL_TEXTURE_2D, GLES20.GL_TEXTURE_MIN_FILTER, GLES20.GL_LINEAR);
		GLES20.glFramebufferTexture2D(GLES20.GL_FRAMEBUFFER, GLES20.GL_COLOR_ATTACHMENT0, GLES20.GL_TEXTURE_2D, texture_out[0], 0);
		
		GLES20.glBindRenderbuffer(GLES20.GL_RENDERBUFFER, depthRenderBuffer[0]);
		GLES20.glRenderbufferStorage(GLES20.GL_RENDERBUFFER, GLES20.GL_DEPTH_COMPONENT16, getWidth(), getHeight());
		GLES20.glFramebufferRenderbuffer(GLES20.GL_FRAMEBUFFER, GLES20.GL_DEPTH_ATTACHMENT, GLES20.GL_RENDERBUFFER, depthRenderBuffer[0]);
		
		int status = GLES20.glCheckFramebufferStatus(GLES20.GL_FRAMEBUFFER);
		if (status != GLES20.GL_FRAMEBUFFER_COMPLETE) {
			throw new RuntimeException(this+": Failed to set up render buffer with status "+status+" and error "+GLES20.glGetError());
		}
	}

Source File: BitmapOutput.java From UltimateAndroid with Apache License 2.0

votes

private void initFBO() {
		if(frameBuffer != null) {
			GLES20.glDeleteFramebuffers(1, frameBuffer, 0);
			frameBuffer = null;
		}
		if(texture_out != null) {
			GLES20.glDeleteTextures(1, texture_out, 0);
			texture_out = null;
		}
		if(depthRenderBuffer != null) {
			GLES20.glDeleteRenderbuffers(1, depthRenderBuffer, 0);
			depthRenderBuffer = null;
		}
		frameBuffer = new int[1];
		texture_out = new int[1];
		depthRenderBuffer = new int[1];
		GLES20.glGenFramebuffers(1, frameBuffer, 0);
		GLES20.glGenRenderbuffers(1, depthRenderBuffer, 0);
		GLES20.glGenTextures(1, texture_out, 0);
		
		GLES20.glBindFramebuffer(GLES20.GL_FRAMEBUFFER, frameBuffer[0]);
		
		GLES20.glActiveTexture(GLES20.GL_TEXTURE0);
		GLES20.glBindTexture(GLES20.GL_TEXTURE_2D, texture_out[0]);
		GLES20.glTexImage2D(GLES20.GL_TEXTURE_2D, 0, GLES20.GL_RGBA, getWidth(), getHeight(), 0, GLES20.GL_RGBA, GLES20.GL_UNSIGNED_BYTE, null);
		GLES20.glTexParameteri(GLES20.GL_TEXTURE_2D, GLES20.GL_TEXTURE_WRAP_S, GLES20.GL_CLAMP_TO_EDGE);
		GLES20.glTexParameteri(GLES20.GL_TEXTURE_2D, GLES20.GL_TEXTURE_WRAP_T, GLES20.GL_CLAMP_TO_EDGE);
		GLES20.glTexParameteri(GLES20.GL_TEXTURE_2D, GLES20.GL_TEXTURE_MAG_FILTER, GLES20.GL_LINEAR);
		GLES20.glTexParameteri(GLES20.GL_TEXTURE_2D, GLES20.GL_TEXTURE_MIN_FILTER, GLES20.GL_LINEAR);
		GLES20.glFramebufferTexture2D(GLES20.GL_FRAMEBUFFER, GLES20.GL_COLOR_ATTACHMENT0, GLES20.GL_TEXTURE_2D, texture_out[0], 0);
		
		GLES20.glBindRenderbuffer(GLES20.GL_RENDERBUFFER, depthRenderBuffer[0]);
		GLES20.glRenderbufferStorage(GLES20.GL_RENDERBUFFER, GLES20.GL_DEPTH_COMPONENT16, getWidth(), getHeight());
		GLES20.glFramebufferRenderbuffer(GLES20.GL_FRAMEBUFFER, GLES20.GL_DEPTH_ATTACHMENT, GLES20.GL_RENDERBUFFER, depthRenderBuffer[0]);
		
		int status = GLES20.glCheckFramebufferStatus(GLES20.GL_FRAMEBUFFER);
		if (status != GLES20.GL_FRAMEBUFFER_COMPLETE) {
			throw new RuntimeException(this+": Failed to set up render buffer with status "+status+" and error "+GLES20.glGetError());
		}
	}

Java Code Examples for android.opengl.GLES20#glGenFramebuffers()