android.opengl.GLES20#glTexParameteri

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

6 votes

/**
 * 创建摄像头预览扩展纹理
 */
private void createCameraTexture() {
    int[] textureIds = new int[1];
    GLES20.glGenTextures(1, textureIds, 0);
    cameraTextureId = textureIds[0];
    GLES20.glBindTexture(GLES11Ext.GL_TEXTURE_EXTERNAL_OES, cameraTextureId);
    //环绕（超出纹理坐标范围）  （s==x t==y GL_REPEAT 重复）
    GLES20.glTexParameteri(GLES11Ext.GL_TEXTURE_EXTERNAL_OES, GLES20.GL_TEXTURE_WRAP_S, GLES20.GL_REPEAT);
    GLES20.glTexParameteri(GLES11Ext.GL_TEXTURE_EXTERNAL_OES, 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(GLES11Ext.GL_TEXTURE_EXTERNAL_OES, GLES20.GL_TEXTURE_MIN_FILTER, GLES20.GL_LINEAR);
    GLES20.glTexParameteri(GLES11Ext.GL_TEXTURE_EXTERNAL_OES, GLES20.GL_TEXTURE_MAG_FILTER, GLES20.GL_LINEAR);

    surfaceTexture = new SurfaceTexture(cameraTextureId);
    surfaceTexture.setOnFrameAvailableListener(this);

    if (onSurfaceListener != null) {
        //回调给CameraManager获取surfaceTexture：通过camera.setPreviewTexture(surfaceTexture);
        onSurfaceListener.onSurfaceCreate(surfaceTexture, fboTextureId);
    }

    // 解绑扩展纹理
    GLES20.glBindTexture(GLES11Ext.GL_TEXTURE_EXTERNAL_OES, 0);
}

Source File: MD360VideoTexture.java From Beginner-Level-Android-Studio-Apps with GNU General Public License v3.0

6 votes

@Override
protected int createTextureId() {
    int[] textures = new int[1];

    // Generate the texture to where android view will be rendered
    GLES20.glActiveTexture(GLES20.GL_TEXTURE0);
    GLES20.glGenTextures(1, textures, 0);
    glCheck("Texture generate");

    GLES20.glBindTexture(GLES11Ext.GL_TEXTURE_EXTERNAL_OES, textures[0]);
    glCheck("Texture bind");

    GLES20.glTexParameterf(GLES11Ext.GL_TEXTURE_EXTERNAL_OES, GL10.GL_TEXTURE_MIN_FILTER, GL10.GL_LINEAR);
    GLES20.glTexParameterf(GLES11Ext.GL_TEXTURE_EXTERNAL_OES, GL10.GL_TEXTURE_MAG_FILTER, GL10.GL_LINEAR);
    GLES20.glTexParameteri(GLES11Ext.GL_TEXTURE_EXTERNAL_OES, GL10.GL_TEXTURE_WRAP_S, GL10.GL_CLAMP_TO_EDGE);
    GLES20.glTexParameteri(GLES11Ext.GL_TEXTURE_EXTERNAL_OES, GL10.GL_TEXTURE_WRAP_T, GL10.GL_CLAMP_TO_EDGE);

    return textures[0];
}

Source File: Texture2dProgram.java From RtmpPublisher with Apache License 2.0

6 votes

/**
 * Creates a texture object suitable for use with this program.
 * <p>
 * On exit, the texture will be bound.
 */
public int createTextureObject() {
    int[] textures = new int[1];
    GLES20.glGenTextures(1, textures, 0);
    GlUtil.checkGlError("glGenTextures");

    int texId = textures[0];
    GLES20.glBindTexture(mTextureTarget, texId);
    GlUtil.checkGlError("glBindTexture " + texId);

    GLES20.glTexParameterf(GLES11Ext.GL_TEXTURE_EXTERNAL_OES, GLES20.GL_TEXTURE_MIN_FILTER,
            GLES20.GL_NEAREST);
    GLES20.glTexParameterf(GLES11Ext.GL_TEXTURE_EXTERNAL_OES, GLES20.GL_TEXTURE_MAG_FILTER,
            GLES20.GL_LINEAR);
    GLES20.glTexParameteri(GLES11Ext.GL_TEXTURE_EXTERNAL_OES, GLES20.GL_TEXTURE_WRAP_S,
            GLES20.GL_CLAMP_TO_EDGE);
    GLES20.glTexParameteri(GLES11Ext.GL_TEXTURE_EXTERNAL_OES, GLES20.GL_TEXTURE_WRAP_T,
            GLES20.GL_CLAMP_TO_EDGE);
    GlUtil.checkGlError("glTexParameter");

    return texId;
}

Source File: GlUtil.java From sealrtc-android with MIT License

6 votes

/**
 * Creates a texture object suitable for use with this program.
 *
 * <p>On exit, the texture will be bound.
 */
public static int createTextureObject(int textureTarget) {
    int[] textures = new int[1];
    GLES20.glGenTextures(1, textures, 0);
    GlUtil.checkGlError("glGenTextures");

    int texId = textures[0];
    GLES20.glBindTexture(textureTarget, texId);
    GlUtil.checkGlError("glBindTexture " + texId);

    GLES20.glTexParameterf(textureTarget, GLES20.GL_TEXTURE_MIN_FILTER, GLES20.GL_LINEAR);
    GLES20.glTexParameterf(textureTarget, GLES20.GL_TEXTURE_MAG_FILTER, GLES20.GL_LINEAR);
    GLES20.glTexParameteri(textureTarget, GLES20.GL_TEXTURE_WRAP_S, GLES20.GL_CLAMP_TO_EDGE);
    GLES20.glTexParameteri(textureTarget, GLES20.GL_TEXTURE_WRAP_T, GLES20.GL_CLAMP_TO_EDGE);
    GlUtil.checkGlError("glTexParameter");

    return texId;
}

Source File: GLRenderer.java From HoloKilo with GNU General Public License v3.0

6 votes

public static int createCameraTexture()
{
    int[] texture = new int[1];

    GLES20.glGenTextures(1,texture, 0);
    // External texture so that camera image is directly
    // fed in GPU. Needs a GLES1.1 extention.
    GLES20.glBindTexture(GLES11Ext.GL_TEXTURE_EXTERNAL_OES, texture[0]);
    GLES20.glTexParameterf(GLES11Ext.GL_TEXTURE_EXTERNAL_OES,
            GL10.GL_TEXTURE_MIN_FILTER,GL10.GL_LINEAR);
    GLES20.glTexParameterf(GLES11Ext.GL_TEXTURE_EXTERNAL_OES,
            GL10.GL_TEXTURE_MAG_FILTER, GL10.GL_LINEAR);
    GLES20.glTexParameteri(GLES11Ext.GL_TEXTURE_EXTERNAL_OES,
            GL10.GL_TEXTURE_WRAP_S, GL10.GL_CLAMP_TO_EDGE);
    GLES20.glTexParameteri(GLES11Ext.GL_TEXTURE_EXTERNAL_OES,
            GL10.GL_TEXTURE_WRAP_T, GL10.GL_CLAMP_TO_EDGE);
    GLES20.glBindTexture(GLES11Ext.GL_TEXTURE_EXTERNAL_OES, 0);

    return texture[0];
}

Source File: Texture.java From Telegram-FOSS with GNU General Public License v2.0

5 votes

public int texture() {
    if (texture != 0) {
        return texture;
    }

    if (bitmap.isRecycled()) {
        return 0;
    }

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

    GLES20.glBindTexture(GLES20.GL_TEXTURE_2D, texture);

    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_NEAREST);
    GLES20.glTexParameteri(GLES20.GL_TEXTURE_2D, GLES20.GL_TEXTURE_MIN_FILTER, GLES20.GL_LINEAR);

    int width = bitmap.getWidth();
    int height = bitmap.getHeight();
    int[] pixels = new int[width * height];
    bitmap.getPixels(pixels, 0, width, 0, 0, width, height);
    for (int i = 0; i < pixels.length; i += 1) {
        int argb = pixels[i];
        pixels[i] = argb & 0xff00ff00 | ((argb & 0xff) << 16) | ((argb >> 16) & 0xff);
    }
    GLES20.glTexImage2D(GLES20.GL_TEXTURE_2D, 0, GLES20.GL_RGBA, width, height, 0, GLES20.GL_RGBA, GLES20.GL_UNSIGNED_BYTE, IntBuffer.wrap(pixels));

    int px = bitmap.getPixel(0, 0);

    ByteBuffer buffer = ByteBuffer.allocateDirect(4); //fix for android 9.0
    buffer.putInt(px).position(0);
    GLES20.glTexSubImage2D(GLES20.GL_TEXTURE_2D, 0, 0, 0, 1, 1, GLES20.GL_RGBA, GLES20.GL_UNSIGNED_BYTE, buffer);

    Utils.HasGLError();

    return texture;
}

Source File: CameraGLRendererBase.java From FaceT with Mozilla Public License 2.0

5 votes

private void initTexOES(int[] tex) {
    if(tex.length == 1) {
        GLES20.glGenTextures(1, tex, 0);
        GLES20.glBindTexture(GLES11Ext.GL_TEXTURE_EXTERNAL_OES, tex[0]);
        GLES20.glTexParameteri(GLES11Ext.GL_TEXTURE_EXTERNAL_OES, GLES20.GL_TEXTURE_WRAP_S, GLES20.GL_CLAMP_TO_EDGE);
        GLES20.glTexParameteri(GLES11Ext.GL_TEXTURE_EXTERNAL_OES, GLES20.GL_TEXTURE_WRAP_T, GLES20.GL_CLAMP_TO_EDGE);
        GLES20.glTexParameteri(GLES11Ext.GL_TEXTURE_EXTERNAL_OES, GLES20.GL_TEXTURE_MIN_FILTER, GLES20.GL_NEAREST);
        GLES20.glTexParameteri(GLES11Ext.GL_TEXTURE_EXTERNAL_OES, GLES20.GL_TEXTURE_MAG_FILTER, GLES20.GL_NEAREST);
    }
}

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

5 votes

private void initTexOES(int[] tex) {
    if(tex.length == 1) {
        GLES20.glGenTextures(1, tex, 0);
        GLES20.glBindTexture(GLES11Ext.GL_TEXTURE_EXTERNAL_OES, tex[0]);
        GLES20.glTexParameteri(GLES11Ext.GL_TEXTURE_EXTERNAL_OES, GLES20.GL_TEXTURE_WRAP_S, GLES20.GL_CLAMP_TO_EDGE);
        GLES20.glTexParameteri(GLES11Ext.GL_TEXTURE_EXTERNAL_OES, GLES20.GL_TEXTURE_WRAP_T, GLES20.GL_CLAMP_TO_EDGE);
        GLES20.glTexParameteri(GLES11Ext.GL_TEXTURE_EXTERNAL_OES, GLES20.GL_TEXTURE_MIN_FILTER, GLES20.GL_NEAREST);
        GLES20.glTexParameteri(GLES11Ext.GL_TEXTURE_EXTERNAL_OES, GLES20.GL_TEXTURE_MAG_FILTER, GLES20.GL_NEAREST);
    }
}

Source File: GLUtil.java From react-native-3d-model-view with MIT License

5 votes

public static int loadTexture(final InputStream is) {
	Log.v("GLUtil", "Loading texture '" + is + "' from stream...");

	final int[] textureHandle = new int[1];

	GLES20.glGenTextures(1, textureHandle, 0);
	GLUtil.checkGlError("glGenTextures");

	if (textureHandle[0] != 0) {
		Log.i("GLUtil", "Handler: " + textureHandle[0]);

		final BitmapFactory.Options options = new BitmapFactory.Options();
		// By default, Android applies pre-scaling to bitmaps depending on the resolution of your device and which
		// resource folder you placed the image in. We don’t want Android to scale our bitmap at all, so to be sure,
		// we set inScaled to false.
		options.inScaled = false;

		// Read in the resource
		final Bitmap bitmap = BitmapFactory.decodeStream(is, null, options);
		if (bitmap == null) {
			throw new RuntimeException("couldnt load bitmap");
		}

		// Bind to the texture in OpenGL
		GLES20.glBindTexture(GLES20.GL_TEXTURE_2D, textureHandle[0]);
		GLUtil.checkGlError("glBindTexture");
		GLUtils.texImage2D(GLES20.GL_TEXTURE_2D, 0, bitmap, 0);
		GLUtil.checkGlError("texImage2D");
		bitmap.recycle();
		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);

	}

	if (textureHandle[0] == 0) {
		throw new RuntimeException("Error loading texture.");
	}

	return textureHandle[0];
}

Source File: GlToneCurveFilter.java From SimpleVideoEdit with Apache License 2.0

5 votes

@Override
public void setup() {
    super.setup();// 1
    GLES20.glGenTextures(1, textures, 0);
    GLES20.glBindTexture(GLES20.GL_TEXTURE_2D, textures[0]);

    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);
    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);

    while (!runOnDraw.isEmpty()) {
        runOnDraw.removeFirst().run();
    }
}

Source File: BayerShader.java From retroboy with MIT License

5 votes

public BayerShader(ShaderProgram program, Camera.Size previewSize) {
	_program = program;
	
       // Find handles to shader parameters
	_thresholdTextureLocation = _program.getUniformLocation("sThreshold");
    _targetSizeLocation = _program.getUniformLocation("uTargetSize");
    
       // Scale the preview frames to match TARGET_WIDTH
       _targetSize = new int[] {TARGET_WIDTH, (int)((float)TARGET_WIDTH * ((float)previewSize.height / previewSize.width))};
       
       // Bind the Bayer threshold matrix as a texture
       int[] textures = new int[1];
       GLES20.glGenTextures(textures.length, textures, 0);

       _thresholdTextureHandle = textures[0];
       GLES20.glBindTexture(GLES20.GL_TEXTURE_2D, _thresholdTextureHandle);
       checkGlError("glBindTexture");

       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_NEAREST);

       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.glTexImage2D(
       	GLES20.GL_TEXTURE_2D, 0, GLES20.GL_LUMINANCE, 
       	_targetSize[0], _targetSize[1], 0, GLES20.GL_LUMINANCE, GLES20.GL_UNSIGNED_BYTE, 
       	createScaledTexture(_bayerThresholdMatrix, 8, 8, _targetSize[0], _targetSize[1]));
       checkGlError("glTexImage2D");
}

Source File: GlUtil.java From pause-resume-video-recording with Apache License 2.0

5 votes

/**
 * Creates a texture from raw data.
 *
 * @param data Image data, in a "direct" ByteBuffer.
 * @param width Texture width, in pixels (not bytes).
 * @param height Texture height, in pixels.
 * @param format Image data format (use constant appropriate for glTexImage2D(), e.g. GL_RGBA).
 * @return Handle to texture.
 */
public static int createImageTexture(ByteBuffer data, int width, int height, int format) {
    int[] textureHandles = new int[1];
    int textureHandle;

    GLES20.glGenTextures(1, textureHandles, 0);
    textureHandle = textureHandles[0];
    GlUtil.checkGlError("glGenTextures");

    // Bind the texture handle to the 2D texture target.
    GLES20.glBindTexture(GLES20.GL_TEXTURE_2D, textureHandle);

    // Configure min/mag filtering, i.e. what scaling method do we use if what we're rendering
    // is smaller or larger than the source image.
    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);
    GlUtil.checkGlError("loadImageTexture");

    // Load the data from the buffer into the texture handle.
    GLES20.glTexImage2D(GLES20.GL_TEXTURE_2D, /*level*/ 0, format,
            width, height, /*border*/ 0, format, GLES20.GL_UNSIGNED_BYTE, data);
    GlUtil.checkGlError("loadImageTexture");

    return textureHandle;
}

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

5 votes

public static int loadTexture(final Context context, final String name){
	final int[] textureHandle = new int[1];
	
	GLES20.glGenTextures(1, textureHandle, 0);
	
	if (textureHandle[0] != 0){

		// Read in the resource
		final Bitmap bitmap = getImageFromAssetsFile(context,name);
					
		// Bind to the texture in OpenGL
		GLES20.glBindTexture(GLES20.GL_TEXTURE_2D, textureHandle[0]);
		
		// Set filtering
		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.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);
		// Load the bitmap into the bound texture.
		GLUtils.texImage2D(GLES20.GL_TEXTURE_2D, 0, bitmap, 0);
		
		// Recycle the bitmap, since its data has been loaded into OpenGL.
		bitmap.recycle();						
	}
	
	if (textureHandle[0] == 0){
		throw new RuntimeException("Error loading texture.");
	}
	
	return textureHandle[0];
}

Source File: CameraGLRendererBase.java From real_time_circle_detection_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: CameraGLRendererBase.java From VIA-AI with MIT License

5 votes

private void initTexOES(int[] tex) {
    if(tex.length == 1) {
        GLES20.glGenTextures(1, tex, 0);
        GLES20.glBindTexture(GLES11Ext.GL_TEXTURE_EXTERNAL_OES, tex[0]);
        GLES20.glTexParameteri(GLES11Ext.GL_TEXTURE_EXTERNAL_OES, GLES20.GL_TEXTURE_WRAP_S, GLES20.GL_CLAMP_TO_EDGE);
        GLES20.glTexParameteri(GLES11Ext.GL_TEXTURE_EXTERNAL_OES, GLES20.GL_TEXTURE_WRAP_T, GLES20.GL_CLAMP_TO_EDGE);
        GLES20.glTexParameteri(GLES11Ext.GL_TEXTURE_EXTERNAL_OES, GLES20.GL_TEXTURE_MIN_FILTER, GLES20.GL_NEAREST);
        GLES20.glTexParameteri(GLES11Ext.GL_TEXTURE_EXTERNAL_OES, GLES20.GL_TEXTURE_MAG_FILTER, GLES20.GL_NEAREST);
    }
}

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

5 votes

@Override
public void onSurfaceCreated(GL10 gl, EGLConfig config) {
    // Create OES texture for storing camera preview data(YUV format)
    GLES20.glGenTextures(1, camTextureId, 0);
    GLES20.glBindTexture(GLES11Ext.GL_TEXTURE_EXTERNAL_OES, camTextureId[0]);
    GLES20.glTexParameteri(GLES11Ext.GL_TEXTURE_EXTERNAL_OES, GLES20.GL_TEXTURE_WRAP_S, GLES20.GL_CLAMP_TO_EDGE);
    GLES20.glTexParameteri(GLES11Ext.GL_TEXTURE_EXTERNAL_OES, GLES20.GL_TEXTURE_WRAP_T, GLES20.GL_CLAMP_TO_EDGE);
    GLES20.glTexParameteri(GLES11Ext.GL_TEXTURE_EXTERNAL_OES, GLES20.GL_TEXTURE_MIN_FILTER, GLES20.GL_NEAREST);
    GLES20.glTexParameteri(GLES11Ext.GL_TEXTURE_EXTERNAL_OES, GLES20.GL_TEXTURE_MAG_FILTER, GLES20.GL_NEAREST);
    surfaceTexture = new SurfaceTexture(camTextureId[0]);
    surfaceTexture.setOnFrameAvailableListener(this);

    // Prepare vertex and texture coordinates
    int bytes = vertexCoords.length * Float.SIZE / Byte.SIZE;
    vertexCoordsBuffer = ByteBuffer.allocateDirect(bytes).order(ByteOrder.nativeOrder()).asFloatBuffer();
    textureCoordsBuffer = ByteBuffer.allocateDirect(bytes).order(ByteOrder.nativeOrder()).asFloatBuffer();
    vertexCoordsBuffer.put(vertexCoords).position(0);
    textureCoordsBuffer.put(textureCoords).position(0);

    // Create vertex and fragment shaders
    // camTextureId->fboTexureId
    progCam2FBO = Utils.createShaderProgram(vss, fssCam2FBO);
    vcCam2FBO = GLES20.glGetAttribLocation(progCam2FBO, "vPosition");
    tcCam2FBO = GLES20.glGetAttribLocation(progCam2FBO, "vTexCoord");
    GLES20.glEnableVertexAttribArray(vcCam2FBO);
    GLES20.glEnableVertexAttribArray(tcCam2FBO);
    // fboTexureId/drawTexureId -> screen
    progTex2Screen = Utils.createShaderProgram(vss, fssTex2Screen);
    vcTex2Screen = GLES20.glGetAttribLocation(progTex2Screen, "vPosition");
    tcTex2Screen = GLES20.glGetAttribLocation(progTex2Screen, "vTexCoord");
    GLES20.glEnableVertexAttribArray(vcTex2Screen);
    GLES20.glEnableVertexAttribArray(tcTex2Screen);
}

Source File: FileTextureSource.java From Tanks with MIT License

4 votes

private int loadTexture()
{
  ResultRunnable<Integer> runnable = new ResultRunnable<Integer>()
  {
    @Override
    protected Integer onRun()
    {
      try
      {
        String fileName = getTextureFileName(name);
        InputStream stream = GameContext.context.getAssets().open(fileName);
        Bitmap bitmap = BitmapFactory.decodeStream(stream);
        stream.close();

        int type = GLUtils.getType(bitmap);
        int format = GLUtils.getInternalFormat(bitmap);
        int error;

        int[] textures = new int[1];

        GLES20.glGenTextures(1, textures, 0);
        if ((error = GLES20.glGetError()) != GLES20.GL_NO_ERROR)
          throw new GLException(error);

        GLES20.glActiveTexture(GLES20.GL_TEXTURE0);
        if ((error = GLES20.glGetError()) != GLES20.GL_NO_ERROR)
          throw new GLException(error);

        GLES20.glBindTexture(GLES20.GL_TEXTURE_2D, textures[0]);
        if ((error = GLES20.glGetError()) != GLES20.GL_NO_ERROR)
          throw new GLException(error);

        GLUtils.texImage2D(GLES20.GL_TEXTURE_2D, 0, format, bitmap, type, 0);
        if ((error = GLES20.glGetError()) != GLES20.GL_NO_ERROR)
          throw new GLException(error);

        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);

        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);

        if (generateMipmap)
        {
          GLES20.glGenerateMipmap(GLES20.GL_TEXTURE_2D);
          if ((error = GLES20.glGetError()) != GLES20.GL_NO_ERROR)
            throw new GLException(error, Integer.toString(error));
        }

        bitmap.recycle();
        return textures[0];
      }
      catch(Exception e)
      {
        throw new RuntimeException(e);
      }
    }
  };

  GameContext.glThread.sendEvent(runnable);
  return runnable.getResult();
}

Source File: TextureRender.java From mollyim-android with GNU General Public License v3.0

4 votes

/**
 * Initializes GL state.  Call this after the EGL surface has been created and made current.
 */
void surfaceCreated() throws TranscodingException {
    mProgram = createProgram(VERTEX_SHADER, FRAGMENT_SHADER);
    if (mProgram == 0) {
        throw new TranscodingException("failed creating program");
    }
    maPositionHandle = GLES20.glGetAttribLocation(mProgram, "aPosition");
    checkGlError("glGetAttribLocation aPosition");
    if (maPositionHandle == -1) {
        throw new TranscodingException("Could not get attrib location for aPosition");
    }
    maTextureHandle = GLES20.glGetAttribLocation(mProgram, "aTextureCoord");
    checkGlError("glGetAttribLocation aTextureCoord");
    if (maTextureHandle == -1) {
        throw new TranscodingException("Could not get attrib location for aTextureCoord");
    }

    muMVPMatrixHandle = GLES20.glGetUniformLocation(mProgram, "uMVPMatrix");
    checkGlError("glGetUniformLocation uMVPMatrix");
    if (muMVPMatrixHandle == -1) {
        throw new TranscodingException("Could not get attrib location for uMVPMatrix");
    }

    muSTMatrixHandle = GLES20.glGetUniformLocation(mProgram, "uSTMatrix");
    checkGlError("glGetUniformLocation uSTMatrix");
    if (muSTMatrixHandle == -1) {
        throw new TranscodingException("Could not get attrib location for uSTMatrix");
    }

    int[] textures = new int[1];
    GLES20.glGenTextures(1, textures, 0);

    mTextureID = textures[0];
    GLES20.glBindTexture(GLES11Ext.GL_TEXTURE_EXTERNAL_OES, mTextureID);
    checkGlError("glBindTexture mTextureID");

    GLES20.glTexParameterf(GLES11Ext.GL_TEXTURE_EXTERNAL_OES, GLES20.GL_TEXTURE_MIN_FILTER,
            GLES20.GL_LINEAR);
    GLES20.glTexParameterf(GLES11Ext.GL_TEXTURE_EXTERNAL_OES, GLES20.GL_TEXTURE_MAG_FILTER,
            GLES20.GL_LINEAR);
    GLES20.glTexParameteri(GLES11Ext.GL_TEXTURE_EXTERNAL_OES, GLES20.GL_TEXTURE_WRAP_S,
            GLES20.GL_CLAMP_TO_EDGE);
    GLES20.glTexParameteri(GLES11Ext.GL_TEXTURE_EXTERNAL_OES, GLES20.GL_TEXTURE_WRAP_T,
            GLES20.GL_CLAMP_TO_EDGE);
    checkGlError("glTexParameter");
}

Source File: GLTextureOutputRenderer.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: CameraPreviewInput.java From UltimateAndroid with Apache License 2.0

votes

@Override
	protected void initWithGLContext() {
		super.initWithGLContext();

		int[] textures = new int[1];
		GLES20.glGenTextures(1, textures, 0);
		GLES20.glBindTexture(GLES11Ext.GL_TEXTURE_EXTERNAL_OES, textures[0]);
		GLES20.glTexParameterf(GLES11Ext.GL_TEXTURE_EXTERNAL_OES, GL10.GL_TEXTURE_MIN_FILTER, GL10.GL_LINEAR);        
		GLES20.glTexParameterf(GLES11Ext.GL_TEXTURE_EXTERNAL_OES, GL10.GL_TEXTURE_MAG_FILTER, GL10.GL_LINEAR);
		GLES20.glTexParameteri(GLES11Ext.GL_TEXTURE_EXTERNAL_OES, GL10.GL_TEXTURE_WRAP_S, GL10.GL_CLAMP_TO_EDGE);
		GLES20.glTexParameteri(GLES11Ext.GL_TEXTURE_EXTERNAL_OES, GL10.GL_TEXTURE_WRAP_T, GL10.GL_CLAMP_TO_EDGE);
		texture_in = textures[0];

		camTex = new SurfaceTexture(texture_in);
		camTex.setOnFrameAvailableListener(this);

		boolean failed = true;
		while(failed) {			
	        try {
	        	if(camera != null) {
	        		camera.stopPreview();
	        		camera.release();
	        		camera = null;
	        	}
				camera = createCamera();
				camera.setPreviewTexture(camTex);
		        camera.startPreview();
				setRenderSizeToCameraSize();
		        failed = false;
			} catch (Exception e) {
				StringWriter sw = new StringWriter();
				PrintWriter pw = new PrintWriter(sw);
				e.printStackTrace(pw);
				Log.e("CameraInput", sw.toString());
				if(camera != null) {
					camera.release();
					camera = null;
				}
			}
		}
	}

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