/** Constructor this should be called in GL context */ public GLDrawer2D() { pVertex = ByteBuffer.allocateDirect(VERTEX_SZ * FLOAT_SZ) .order(ByteOrder.nativeOrder()) .asFloatBuffer(); pVertex.put(VERTICES); pVertex.flip(); pTexCoord = ByteBuffer.allocateDirect(VERTEX_SZ * FLOAT_SZ) .order(ByteOrder.nativeOrder()) .asFloatBuffer(); pTexCoord.put(TEXCOORD); pTexCoord.flip(); hProgram = loadShader(vss, fss); GLES20.glUseProgram(hProgram); maPositionLoc = GLES20.glGetAttribLocation(hProgram, "aPosition"); maTextureCoordLoc = GLES20.glGetAttribLocation(hProgram, "aTextureCoord"); muMVPMatrixLoc = GLES20.glGetUniformLocation(hProgram, "uMVPMatrix"); muTexMatrixLoc = GLES20.glGetUniformLocation(hProgram, "uTexMatrix"); Matrix.setIdentityM(mMvpMatrix, 0); GLES20.glUniformMatrix4fv(muMVPMatrixLoc, 1, false, mMvpMatrix, 0); GLES20.glUniformMatrix4fv(muTexMatrixLoc, 1, false, mMvpMatrix, 0); GLES20.glVertexAttribPointer(maPositionLoc, 2, GLES20.GL_FLOAT, false, VERTEX_SZ, pVertex); GLES20.glVertexAttribPointer( maTextureCoordLoc, 2, GLES20.GL_FLOAT, false, VERTEX_SZ, pTexCoord); GLES20.glEnableVertexAttribArray(maPositionLoc); GLES20.glEnableVertexAttribArray(maTextureCoordLoc); }
@Override public void onSurfaceCreated(GL10 gl, EGLConfig config) { ByteBuffer byteBuf = ByteBuffer.allocateDirect(48); byteBuf.order(ByteOrder.nativeOrder()); m_verticesBuffer = byteBuf.asFloatBuffer(); byteBuf = ByteBuffer.allocateDirect(32); byteBuf.order(ByteOrder.nativeOrder()); m_coordinatesBuffer = byteBuf.asFloatBuffer(); gl.glEnable(GL10.GL_TEXTURE_2D); gl.glGenTextures(1, m_glTexture, 0); gl.glBindTexture(GL10.GL_TEXTURE_2D, m_glTexture[0]); gl.glTexImage2D( GL10.GL_TEXTURE_2D, 0, mRgb, m_glTextureSize, m_glTextureSize, 0, mRgb, GL10.GL_UNSIGNED_BYTE, m_rgbSource); gl.glTexParameterf(GL10.GL_TEXTURE_2D, GL10.GL_TEXTURE_MIN_FILTER, GL10.GL_LINEAR); gl.glTexParameterf(GL10.GL_TEXTURE_2D, GL10.GL_TEXTURE_MAG_FILTER, GL10.GL_LINEAR); }
private void init(BobView view, int layers) { this.view = view; obs = new ArrayList<GameObject>(OBJECTS); instances = 0; // Set up vertex buffer ByteBuffer vertexByteBuffer = ByteBuffer.allocateDirect( VERTEX_BYTES); // a float has 4 bytes so we allocate for each coordinate 4 bytes vertexByteBuffer.order(ByteOrder.nativeOrder()); vertexBuffer = vertexByteBuffer .order(ByteOrder.nativeOrder()) .asFloatBuffer(); // allocates the memory from the bytebuffer vertexBuffer.position(0); // puts the curser position at the beginning of the buffer // Set up texture buffer vertexByteBuffer = ByteBuffer.allocateDirect(TEX_BYTES); vertexByteBuffer.order(ByteOrder.nativeOrder()); textureBuffer = vertexByteBuffer.asFloatBuffer(); textureBuffer.position(0); // Set up index buffer vertexByteBuffer = ByteBuffer.allocateDirect(INDEX_BYTES); vertexByteBuffer.order(ByteOrder.nativeOrder()); indexBuffer = new ShortBuffer[layers]; for (int i = 0; i < layers; i++) { indexBuffer[i] = vertexByteBuffer.asShortBuffer(); indexBuffer[i].position(0); } this.layers = layers; lastIndex = new int[layers]; red = new float[layers]; green = new float[layers]; blue = new float[layers]; alpha = new float[layers]; for (int i = 0; i < layers; i++) { red[i] = green[i] = blue[i] = alpha[i] = 1f; } for (int i = 0; i < buttonNewpress.length; i++) { buttonNewpress[i] = -1; } for (int i = 0; i < buttonReleased.length; i++) { buttonReleased[i] = -1; } // Camera initialization camX = 0; camY = 0; camZoom = 1; cAnchorX = 0; cAnchorY = 0; }
public GLObject(GL10 gl, Bitmap bitmap) { this.gl = gl; this.bitmap = bitmap; width = bitmap.getWidth(); height = bitmap.getHeight(); float[] position = new float[] { -width / 2, -height / 2, // LB width / 2, -height / 2, // RB width / 2, height / 2, // RT -width / 2, height / 2, // LT }; short[] textureVer = new short[] { 0, 1, 1, 1, 1, 0, 0, 0, }; vertex = ByteBuffer.allocateDirect(position.length * 4) .order(ByteOrder.nativeOrder()) .asFloatBuffer() .put(position) .flip(); texture = ByteBuffer.allocateDirect(textureVer.length * 2) .order(ByteOrder.nativeOrder()) .asShortBuffer() .put(textureVer) .flip(); GLUtils.texImage2D(GL10.GL_TEXTURE_2D, 0, this.bitmap, 0); // 3--Öƶ¨ÎÆÀí }
public void onSurfaceCreated(GL10 gl, EGLConfig config) { mCubeVetexBuffer = util.createFloatBuffer(box); mCubeTexBuffer = util.createFloatBuffer(texCoords); mAmbientBuffer = util.createFloatBuffer(LightAmbient); mDiffuseBuffer = util.createFloatBuffer(LightDiffuse); mPositionBuffer = util.createFloatBuffer(LightPosition); // font mVetexBuffer = ByteBuffer.allocateDirect(12 * 4).order(ByteOrder.nativeOrder()).asFloatBuffer(); mTexBuffer = ByteBuffer.allocateDirect(8 * 4).order(ByteOrder.nativeOrder()).asFloatBuffer(); loadBitmapTex(gl); gl.glLightfv(GL10.GL_LIGHT1, GL10.GL_AMBIENT, mAmbientBuffer); gl.glLightfv(GL10.GL_LIGHT1, GL10.GL_DIFFUSE, mDiffuseBuffer); gl.glLightfv(GL10.GL_LIGHT1, GL10.GL_POSITION, mPositionBuffer); gl.glEnable(GL10.GL_LIGHT1); gl.glEnable(GL10.GL_TEXTURE_2D); // Enable Texture Mapping ( NEW ) gl.glShadeModel(GL10.GL_SMOOTH); // Enable Smooth Shading gl.glClearColor(0.0f, 0.0f, 0.0f, 0.5f); // Black Background gl.glClearDepthf(1.0f); // Depth Buffer Setup gl.glEnable(GL10.GL_DEPTH_TEST); // Enables Depth Testing gl.glDepthFunc(GL10.GL_LEQUAL); // The Type Of Depth Testing To Do gl.glHint( GL10.GL_PERSPECTIVE_CORRECTION_HINT, GL10.GL_NICEST); // Really Nice Perspective Calculations }
/** * Creates the buffers we use to store information about the 3D world. OpenGL doesn't use Java * arrays, but rather needs data in a format it can understand. Hence we use ByteBuffers. * * @param config The EGL configuration used when creating the surface. */ @Override public void onSurfaceCreated(EGLConfig config) { Log.i(TAG, "In onSurfaceCreated"); GLES20.glClearColor(0.1f, 0.1f, 0.1f, 0.5f); // Dark background so camera stuff show up. ByteBuffer bb = ByteBuffer.allocateDirect(squareVertices.length * 4); bb.order(ByteOrder.nativeOrder()); vertexBuffer = bb.asFloatBuffer(); vertexBuffer.put(squareVertices); vertexBuffer.position(0); ByteBuffer dlb = ByteBuffer.allocateDirect(drawOrder.length * 2); dlb.order(ByteOrder.nativeOrder()); drawListBuffer = dlb.asShortBuffer(); drawListBuffer.put(drawOrder); drawListBuffer.position(0); ByteBuffer bb2 = ByteBuffer.allocateDirect(textureVertices.length * 4); bb2.order(ByteOrder.nativeOrder()); textureVerticesBuffer = bb2.asFloatBuffer(); textureVerticesBuffer.put(textureVertices); textureVerticesBuffer.position(0); int vertexShader = loadGLShader(GLES20.GL_VERTEX_SHADER, vertexShaderCode); int fragmentShader = loadGLShader(GLES20.GL_FRAGMENT_SHADER, fragmentShaderCode); mProgram = GLES20.glCreateProgram(); // create empty OpenGL ES Program GLES20.glAttachShader(mProgram, vertexShader); // add the vertex shader to program GLES20.glAttachShader(mProgram, fragmentShader); // add the fragment shader to program GLES20.glLinkProgram(mProgram); // Create a texture and start mirroring the camera on the texture: texture = createTexture(); startCamera(texture); }
/** * Creates a new composite buffer which wraps the slices of the specified NIO buffers without * copying them. A modification on the content of the specified buffers will be visible to the * returned buffer. * * @throws IllegalArgumentException if the specified buffers' endianness are different from each * other */ public static ChannelBuffer wrappedBuffer(ByteBuffer... buffers) { switch (buffers.length) { case 0: break; case 1: if (buffers[0].hasRemaining()) { return wrappedBuffer(buffers[0]); } break; default: ByteOrder order = null; final List<ChannelBuffer> components = new ArrayList<ChannelBuffer>(buffers.length); for (ByteBuffer b : buffers) { if (b == null) { break; } if (b.hasRemaining()) { if (order != null) { if (!order.equals(b.order())) { throw new IllegalArgumentException("inconsistent byte order"); } } else { order = b.order(); } components.add(wrappedBuffer(b)); } } return compositeBuffer(order, components); } return EMPTY_BUFFER; }
public Square() { // initialize vertex byte buffer for shape coordinates ByteBuffer bb = ByteBuffer.allocateDirect( // (# of coordinate values * 4 bytes per float) squareCoords.length * 4); bb.order(ByteOrder.nativeOrder()); vertexBuffer = bb.asFloatBuffer(); vertexBuffer.put(squareCoords); vertexBuffer.position(0); // initialize byte buffer for the draw list ByteBuffer dlb = ByteBuffer.allocateDirect( // (# of coordinate values * 2 bytes per short) drawOrder.length * 2); dlb.order(ByteOrder.nativeOrder()); drawListBuffer = dlb.asShortBuffer(); drawListBuffer.put(drawOrder); drawListBuffer.position(0); // prepare shaders and OpenGL program int vertexShader = MyGLRenderer.loadShader(GLES20.GL_VERTEX_SHADER, vertexShaderCode); int fragmentShader = MyGLRenderer.loadShader(GLES20.GL_FRAGMENT_SHADER, fragmentShaderCode); mProgram = GLES20.glCreateProgram(); // create empty OpenGL Program GLES20.glAttachShader(mProgram, vertexShader); // add the vertex shader to program GLES20.glAttachShader(mProgram, fragmentShader); // add the fragment shader to program GLES20.glLinkProgram(mProgram); // create OpenGL program executables }
// 初始化顶点坐标与着色数据的方法 public void initVertexData() { // 顶点坐标数据的初始化================begin============================ vCount = 6; // 每个格子两个三角形,每个三角形3个顶点 float vertices[] = { -width / 2, height / 2, 0, -width / 2, -height / 2, 0, width / 2, height / 2, 0, -width / 2, -height / 2, 0, width / 2, -height / 2, 0, width / 2, height / 2, 0 }; // 创建顶点坐标数据缓冲 // vertices.length*4是因为一个整数四个字节 ByteBuffer vbb = ByteBuffer.allocateDirect(vertices.length * 4); vbb.order(ByteOrder.nativeOrder()); // 设置字节顺序 mVertexBuffer = vbb.asFloatBuffer(); // 转换为int型缓冲 mVertexBuffer.put(vertices); // 向缓冲区中放入顶点坐标数据 mVertexBuffer.position(0); // 设置缓冲区起始位置 float textures[] = {0f, 0f, 0f, 1, 1, 0f, 0f, 1, 1, 1, 1, 0f}; // 创建顶点纹理数据缓冲 ByteBuffer tbb = ByteBuffer.allocateDirect(textures.length * 4); tbb.order(ByteOrder.nativeOrder()); // 设置字节顺序 mTextureBuffer = tbb.asFloatBuffer(); // 转换为Float型缓冲 mTextureBuffer.put(textures); // 向缓冲区中放入顶点着色数据 mTextureBuffer.position(0); // 设置缓冲区起始位置 // 特别提示:由于不同平台字节顺序不同数据单元不是字节的一定要经过ByteBuffer // 转换,关键是要通过ByteOrder设置nativeOrder(),否则有可能会出问题 // 顶点纹理数据的初始化================end============================ }
public Vertices( GLGraphics glGraphics, int maxVertices, int maxIndices, boolean hasColor, boolean hasTexCoords) { this.glGraphics = glGraphics; this.hasColor = hasColor; this.hasTexCoords = hasTexCoords; this.vertexSize = (2 + (hasColor ? 4 : 0) + (hasTexCoords ? 2 : 0)) * 4; // golemina na bajtite za tockite ByteBuffer buffer = ByteBuffer.allocateDirect(maxVertices * vertexSize); buffer.order(ByteOrder.nativeOrder()); vertices = buffer.asFloatBuffer(); if (maxIndices > 0) { buffer = ByteBuffer.allocateDirect(maxIndices * Short.SIZE / 8); buffer.order(ByteOrder.nativeOrder()); indices = buffer.asShortBuffer(); } else { indices = null; } }
public MyRenderer(Context ctx) { super(ctx); parser = new OBJParser(ctx); model = parser.parseOBJ("/sdcard/windmill.obj"); Debug.stopMethodTracing(); this.setRenderer(this); this.requestFocus(); this.setFocusableInTouchMode(true); ByteBuffer byteBuf = ByteBuffer.allocateDirect(lightAmbient.length * 4); byteBuf.order(ByteOrder.nativeOrder()); lightAmbientBuffer = byteBuf.asFloatBuffer(); lightAmbientBuffer.put(lightAmbient); lightAmbientBuffer.position(0); byteBuf = ByteBuffer.allocateDirect(lightDiffuse.length * 4); byteBuf.order(ByteOrder.nativeOrder()); lightDiffuseBuffer = byteBuf.asFloatBuffer(); lightDiffuseBuffer.put(lightDiffuse); lightDiffuseBuffer.position(0); byteBuf = ByteBuffer.allocateDirect(lightPosition.length * 4); byteBuf.order(ByteOrder.nativeOrder()); lightPositionBuffer = byteBuf.asFloatBuffer(); lightPositionBuffer.put(lightPosition); lightPositionBuffer.position(0); }
// 初始化坐标数据的方法 public void initVertexData(float R, float angle_span, float height) { List<Float> tempList = new ArrayList<Float>(); // 将交通锥的上侧顶点添加到List集合中 tempList.add(0f); tempList.add(height); tempList.add(0f); for (float vAngle = 0; vAngle <= 360; vAngle = vAngle + angle_span) { float x = (float) (R * Math.cos(Math.toRadians(vAngle))); float y = -height; float z = (float) (-R * Math.sin(Math.toRadians(vAngle))); tempList.add(x); tempList.add(y); tempList.add(z); } vCount = tempList.size() / 3; // 顶点数量 float[] vertex = new float[tempList.size()]; for (int i = 0; i < tempList.size(); i++) { vertex[i] = tempList.get(i); } ByteBuffer vbb = ByteBuffer.allocateDirect(vertex.length * 4); vbb.order(ByteOrder.nativeOrder()); mVertexBuffer = vbb.asFloatBuffer(); mVertexBuffer.put(vertex); mVertexBuffer.position(0); float[] texcoor = generateTexCoor((int) (360 / angle_span + 1), 1, 1); ByteBuffer tbb = ByteBuffer.allocateDirect(texcoor.length * 4); tbb.order(ByteOrder.nativeOrder()); mTexCoorBuffer = tbb.asFloatBuffer(); mTexCoorBuffer.put(texcoor); mTexCoorBuffer.position(0); }
@Override protected void initModel() { final short[] _indicesArray = {0, 1, 2, 0, 2, 3}; // float has 4 bytes ByteBuffer vbb = ByteBuffer.allocateDirect(_indicesArray.length * 3 * 4); vbb.order(ByteOrder.nativeOrder()); vertexBuffer = vbb.asFloatBuffer(); // short has 2 bytes ByteBuffer ibb = ByteBuffer.allocateDirect(_indicesArray.length * 2); ibb.order(ByteOrder.nativeOrder()); indexBuffer = ibb.asShortBuffer(); final float[] coords = { 0.0f, -0.1f, 0.0f, // 0 0.1f, 0.0f, 0.0f, // 1 0.0f, 0.6f, 0.0f, // 2 -0.1f, 0.0f, 0.0f, // 3 }; vertexBuffer.put(coords); indexBuffer.put(_indicesArray); vertexBuffer.position(0); indexBuffer.position(0); }
private void newVertexBufferToDraw() { // (number of points) * (number of coordinate values) * 4 bytes per float) ByteBuffer bb = ByteBuffer.allocateDirect(verticesCoords.size() * COORDS_PER_VERTEX * 4); // use the device hardware's native byte order bb.order(ByteOrder.nativeOrder()); // create a floating point buffer from the ByteBuffer vertexBuffer = bb.asFloatBuffer(); // add the coordinates to the FloatBuffer vertexBuffer.put(Utils.pointVectorToArray(verticesCoords)); // set the buffer to read the first coordinate vertexBuffer.position(0); vertexCount = verticesCoords.size(); // Log.d(GAlg.DEBUG_TAG, "Scene coords to draw: " + verticesCoords.toString()); GLES20.glBufferSubData(GLES20.GL_ARRAY_BUFFER, 0, vertexCount, vertexBuffer); if (drawLines) { bb = ByteBuffer.allocateDirect(linesCoords.size() * COORDS_PER_VERTEX * 4); bb.order(ByteOrder.nativeOrder()); linesVertexBuffer = bb.asFloatBuffer(); linesVertexBuffer.put(Utils.pointVectorToArray(linesCoords)); linesVertexBuffer.position(0); linesVertexCount = linesCoords.size(); Log.d(GAlg.DEBUG_TAG, "Drawing lines between: " + linesCoords.toString()); GLES20.glBufferSubData(GLES20.GL_ARRAY_BUFFER, 0, linesVertexCount, linesVertexBuffer); } }
public PointParticleSystem(int maxParticleNum, int resId, boolean sameSize, boolean sameColor) { this.sameSize = sameSize; this.sameColor = sameColor; texture = new BitmapTexture(resId); ByteBuffer vfb = ByteBuffer.allocateDirect(BYTES_PER_FLOAT * 2 * maxParticleNum); vfb.order(ByteOrder.nativeOrder()); vertexBuffer = vfb.asFloatBuffer(); if (!sameSize) { vfb = ByteBuffer.allocateDirect(BYTES_PER_FLOAT * 1 * maxParticleNum); vfb.order(ByteOrder.nativeOrder()); sizeBuffer = vfb.asFloatBuffer(); } if (!sameColor) { vfb = ByteBuffer.allocateDirect(BYTES_PER_FLOAT * 4 * maxParticleNum); vfb.order(ByteOrder.nativeOrder()); colorBuffer = vfb.asFloatBuffer(); } particles = new Particle[maxParticleNum]; for (int i = 0; i < particles.length; i++) particles[i] = new Particle(); onInit(particles); addGlStatusController(texture); }
public Gracz(float x, float y) { this.x = x; this.y = y; float[] tablicaWierzcholkow = { -x, y, -x, -y, x, -y, x, y, }; float[] tablicaTekstur = { 0.0f, 0.0f, 0.0f, 1.0f, 1.0f, 1.0f, 1.0f, 0.0f, }; byte[] tablicaIndeksow = { 0, 1, 2, 0, 2, 3, }; ByteBuffer byteBufferW = ByteBuffer.allocateDirect(tablicaWierzcholkow.length * 4); byteBufferW.order(ByteOrder.nativeOrder()); buforWierzcholka = byteBufferW.asFloatBuffer(); buforWierzcholka.put(tablicaWierzcholkow).position(0); ByteBuffer byteBufferT = ByteBuffer.allocateDirect(tablicaTekstur.length * 4); byteBufferT.order(ByteOrder.nativeOrder()); buforTekstury = byteBufferT.asFloatBuffer(); buforTekstury.put(tablicaTekstur).position(0); buforIndeksow = ByteBuffer.allocateDirect(tablicaIndeksow.length); buforIndeksow.order(ByteOrder.nativeOrder()); buforIndeksow.put(tablicaIndeksow).position(0); }
protected void setBinaries(Map<CLDevice, byte[]> binaries) { if (this.devices == null) { this.devices = new CLDevice[binaries.size()]; int iDevice = 0; for (CLDevice device : binaries.keySet()) this.devices[iDevice++] = device; } int nDevices = this.devices.length; NativeSize[] lengths = new NativeSize[nDevices]; cl_device_id[] deviceIds = new cl_device_id[nDevices]; Memory binariesArray = new Memory(Pointer.SIZE * nDevices); Memory[] binariesMems = new Memory[nDevices]; for (int iDevice = 0; iDevice < nDevices; iDevice++) { CLDevice device = devices[iDevice]; byte[] binary = binaries.get(device); Memory binaryMem = binariesMems[iDevice] = new Memory(binary.length); binaryMem.write(0, binary, 0, binary.length); binariesArray.setPointer(iDevice * Pointer.SIZE, binaryMem); lengths[iDevice] = toNS(binary.length); deviceIds[iDevice] = device.getEntity(); } PointerByReference binariesPtr = new PointerByReference(); binariesPtr.setPointer(binariesArray); IntBuffer errBuff = NIOUtils.directInts(1, ByteOrder.nativeOrder()); int previousAttempts = 0; IntBuffer statuses = NIOUtils.directInts(nDevices, ByteOrder.nativeOrder()); do { entity = CL.clCreateProgramWithBinary( context.getEntity(), nDevices, deviceIds, lengths, binariesPtr, statuses, errBuff); } while (failedForLackOfMemory(errBuff.get(0), previousAttempts++)); }
public NgnProxyVideoConsumerGLPreview( Context context, ByteBuffer buffer, int bufferWidth, int bufferHeight, int fps) { super(context); setEGLContextClientVersion(2); setEGLConfigChooser(8, 8, 8, 8, 16, 0); setRenderer(this); getHolder().setFormat(PixelFormat.TRANSLUCENT); getHolder().setType(SurfaceHolder.SURFACE_TYPE_GPU); setRenderMode(GLSurfaceView.RENDERMODE_WHEN_DIRTY); setBuffer(buffer, bufferWidth, bufferHeight); mContext = context; mTriangleVertices = ByteBuffer.allocateDirect(TRIANFLE_VERTICES_DATA.length * FLOAT_SIZE_BYTES) .order(ByteOrder.nativeOrder()) .asFloatBuffer(); mTriangleVertices.put(TRIANFLE_VERTICES_DATA).position(0); mIndices = ByteBuffer.allocateDirect(INDICES_DATA.length * SHORT_SIZE_BYTES) .order(ByteOrder.nativeOrder()) .asShortBuffer(); mIndices.put(INDICES_DATA).position(0); }
public void memoryCopyParition() throws IOException { if (DEBUG_MODE) { mBuf.flip(); CommonUtils.printByteBuffer(LOG, mBuf); } mBuf.flip(); long sum = 0; String str = "th " + mMsg + " @ Worker "; if (mOneToMany) { ByteBuffer dst = null; RandomAccessFile file = null; if (mMemoryOnly) { dst = ByteBuffer.allocateDirect(FILE_BYTES); } for (int times = mLeft; times < mRight; times++) { long startTimeMs = System.currentTimeMillis(); if (!mMemoryOnly) { file = new RandomAccessFile(FOLDER + (mWorkerId + BASE_FILE_NUMBER), "rw"); dst = file.getChannel().map(MapMode.READ_WRITE, 0, FILE_BYTES); } dst.order(ByteOrder.nativeOrder()); for (int k = 0; k < BLOCKS_PER_FILE; k++) { mBuf.array()[0] = (byte) (k + mWorkerId); dst.put(mBuf.array()); } dst.clear(); sum += dst.get(times); dst.clear(); if (!mMemoryOnly) { file.close(); } logPerIteration(startTimeMs, times, str, mWorkerId); } } else { ByteBuffer dst = null; RandomAccessFile file = null; if (mMemoryOnly) { dst = ByteBuffer.allocateDirect(FILE_BYTES); } for (int times = mLeft; times < mRight; times++) { long startTimeMs = System.currentTimeMillis(); if (!mMemoryOnly) { file = new RandomAccessFile(FOLDER + (mWorkerId + BASE_FILE_NUMBER), "rw"); dst = file.getChannel().map(MapMode.READ_WRITE, 0, FILE_BYTES); } dst.order(ByteOrder.nativeOrder()); for (int k = 0; k < BLOCKS_PER_FILE; k++) { dst.get(mBuf.array()); } sum += mBuf.get(times % 16); dst.clear(); if (!mMemoryOnly) { file.close(); } logPerIteration(startTimeMs, times, str, mWorkerId); } } Results[mWorkerId] = sum; }
protected void read(DataInputStream s) { try { ref = new WeakReference<DataBuffer>(this, Nd4j.bufferRefQueue()); referencing = Collections.synchronizedSet(new HashSet<String>()); dirty = new AtomicBoolean(false); allocationMode = AllocationMode.valueOf(s.readUTF()); length = s.readInt(); Type t = Type.valueOf(s.readUTF()); if (t == Type.DOUBLE) { if (allocationMode == AllocationMode.HEAP) { if (this.dataType() == Type.FLOAT) { // DataBuffer type // double -> float floatData = new float[length()]; } else if (this.dataType() == Type.DOUBLE) { // double -> double doubleData = new double[length()]; } else { // double -> int intData = new int[length()]; } for (int i = 0; i < length(); i++) { put(i, s.readDouble()); } } else { wrappedBuffer = ByteBuffer.allocateDirect(length() * getElementSize()); wrappedBuffer.order(ByteOrder.nativeOrder()); for (int i = 0; i < length(); i++) { put(i, s.readDouble()); } } } else { if (allocationMode == AllocationMode.HEAP) { if (this.dataType() == Type.FLOAT) { // DataBuffer type // float -> float floatData = new float[length()]; } else if (this.dataType() == Type.DOUBLE) { // float -> double doubleData = new double[length()]; } else { // float-> int intData = new int[length()]; } for (int i = 0; i < length(); i++) { put(i, s.readFloat()); } } else { wrappedBuffer = ByteBuffer.allocateDirect(length() * getElementSize()); wrappedBuffer.order(ByteOrder.nativeOrder()); for (int i = 0; i < length(); i++) { put(i, s.readFloat()); } } } } catch (Exception e) { throw new RuntimeException(e); } }
// 初始化坐标数据的方法 public void initVertexData(float R, float r, float angle_span, float height) { List<Float> tempList = new ArrayList<Float>(); for (float vAngle = 0; vAngle < 360; vAngle = vAngle + angle_span) { float x0 = (float) (r * Math.cos(Math.toRadians(vAngle))); float y0 = height; float z0 = (float) (-r * Math.sin(Math.toRadians(vAngle))); float x1 = (float) (R * Math.cos(Math.toRadians(vAngle))); float y1 = -height; float z1 = (float) (-R * Math.sin(Math.toRadians(vAngle))); float x2 = (float) (R * Math.cos(Math.toRadians(vAngle + angle_span))); float y2 = -height; float z2 = (float) (-R * Math.sin(Math.toRadians(vAngle + angle_span))); float x3 = (float) (r * Math.cos(Math.toRadians(vAngle + angle_span))); float y3 = height; float z3 = (float) (-r * Math.sin(Math.toRadians(vAngle + angle_span))); tempList.add(x0); tempList.add(y0); tempList.add(z0); tempList.add(x1); tempList.add(y1); tempList.add(z1); tempList.add(x3); tempList.add(y3); tempList.add(z3); tempList.add(x3); tempList.add(y3); tempList.add(z3); tempList.add(x1); tempList.add(y1); tempList.add(z1); tempList.add(x2); tempList.add(y2); tempList.add(z2); } vCount = tempList.size() / 3; // 顶点数量 float[] vertex = new float[tempList.size()]; for (int i = 0; i < tempList.size(); i++) { vertex[i] = tempList.get(i); } ByteBuffer vbb = ByteBuffer.allocateDirect(vertex.length * 4); vbb.order(ByteOrder.nativeOrder()); mVertexBuffer = vbb.asFloatBuffer(); mVertexBuffer.put(vertex); mVertexBuffer.position(0); float[] texcoor = generateTexCoor((int) (360 / angle_span), 1, 1, 1); ByteBuffer tbb = ByteBuffer.allocateDirect(texcoor.length * 4); tbb.order(ByteOrder.nativeOrder()); mTexCoorBuffer = tbb.asFloatBuffer(); mTexCoorBuffer.put(texcoor); mTexCoorBuffer.position(0); }
public RockOnCover() { // public RockOnCover(int[] textureId, int[] textureAlphabetId) { /** cover coordinates */ float[] coords = { // X, Y, Z -1.f, 1.f, 0.f, 1.f, 1.f, 0.f, 1.f, -1.f, 0.f, -1.f, -1.f, 0.f }; /** Texture coordinates */ float[] textCoords = { 0.f, 1.f, 1.f, 1.f, 1.f, 0.f, 0.f, 0.f }; /** * Generate our openGL buffers with the vertice and texture coordinates and drawing indexes * VERTICAL */ // Buffers to be passed to gl*Pointer() functions // must be direct, i.e., they must be placed on the // native heap where the garbage collector cannot // move them. // // Buffers with multi-byte datatypes (e.g., short, int, float) // must have their byte order set to native order ByteBuffer vbb = ByteBuffer.allocateDirect(VERTS * 3 * 4); // verts * ncoords * bytes per vert?? vbb.order(ByteOrder.nativeOrder()); mFVertexBuffer = vbb.asFloatBuffer(); ByteBuffer tbb = ByteBuffer.allocateDirect(VERTS * 2 * 4); tbb.order(ByteOrder.nativeOrder()); mTexBuffer = tbb.asFloatBuffer(); ByteBuffer ibb = ByteBuffer.allocateDirect(VERTS * 2); ibb.order(ByteOrder.nativeOrder()); mIndexBuffer = ibb.asShortBuffer(); for (int i = 0; i < VERTS; i++) { for (int j = 0; j < 3; j++) { mFVertexBuffer.put(coords[i * 3 + j]); } } mTexBuffer.put(textCoords); for (int i = 0; i < VERTS; i++) { mIndexBuffer.put((short) i); } mFVertexBuffer.position(0); mTexBuffer.position(0); mIndexBuffer.position(0); }
public Floor() { // make a floor ByteBuffer bbFloorVertices = ByteBuffer.allocateDirect(FLOOR_COORDS.length * 4); bbFloorVertices.order(ByteOrder.nativeOrder()); floorVertices = bbFloorVertices.asFloatBuffer(); floorVertices.put(FLOOR_COORDS); floorVertices.position(0); ByteBuffer bbFloorNormals = ByteBuffer.allocateDirect(FLOOR_NORMALS.length * 4); bbFloorNormals.order(ByteOrder.nativeOrder()); floorNormals = bbFloorNormals.asFloatBuffer(); floorNormals.put(FLOOR_NORMALS); floorNormals.position(0); ByteBuffer bbFloorColors = ByteBuffer.allocateDirect(FLOOR_COLORS.length * 4); bbFloorColors.order(ByteOrder.nativeOrder()); floorColors = bbFloorColors.asFloatBuffer(); floorColors.put(FLOOR_COLORS); floorColors.position(0); // now setup the shaders and program object int vertexShader = myStereoRenderer.LoadShader(GLES30.GL_VERTEX_SHADER, light_vertex); int gridShader = myStereoRenderer.LoadShader(GLES30.GL_FRAGMENT_SHADER, grid_fragment); int programObject; int[] linked = new int[1]; // Create the program object programObject = GLES30.glCreateProgram(); if (programObject == 0) { Log.e(TAG, "So some kind of error, but what?"); return; } GLES30.glAttachShader(programObject, vertexShader); GLES30.glAttachShader(programObject, gridShader); // Link the program GLES30.glLinkProgram(programObject); // Check the link status GLES30.glGetProgramiv(programObject, GLES30.GL_LINK_STATUS, linked, 0); if (linked[0] == 0) { Log.e(TAG, "Error linking program:"); Log.e(TAG, GLES30.glGetProgramInfoLog(programObject)); GLES30.glDeleteProgram(programObject); return; } // Store the program object mProgramObject = programObject; }
public void initGL(GL10 gl, Context context) { Bitmap texture = Util.getTextureFromBitmapResource(context, _textureResource); _width = texture.getWidth(); _height = texture.getHeight(); // scale the vertex buffer coords for (int i = 0; i < _vertices.length; i += 3) { _vertices[i] *= _width; _vertices[i + 1] *= _height; } // a float is 4 bytes, therefore we multiply the number if // vertices with 4. ByteBuffer vbb = ByteBuffer.allocateDirect(_vertices.length * 4); vbb.order(ByteOrder.nativeOrder()); _vertexBuffer = vbb.asFloatBuffer(); _vertexBuffer.put(_vertices); _vertexBuffer.position(0); // short is 2 bytes, therefore we multiply the number if // vertices with 2. ByteBuffer ibb = ByteBuffer.allocateDirect(_indices.length * 2); ibb.order(ByteOrder.nativeOrder()); _indexBuffer = ibb.asShortBuffer(); _indexBuffer.put(_indices); _indexBuffer.position(0); // a float is 4 bytes, therefore we multiply the number if // vertices with 4. ByteBuffer tbb = ByteBuffer.allocateDirect(_textureCoords.length * 4); tbb.order(ByteOrder.nativeOrder()); _textureCoordsBuffer = tbb.asFloatBuffer(); _textureCoordsBuffer.put(_textureCoords); _textureCoordsBuffer.position(0); // create texture gl.glEnable(GL10.GL_TEXTURE_2D); _texturesBuffer = IntBuffer.allocate(1); gl.glGenTextures(1, _texturesBuffer); gl.glBindTexture(GL10.GL_TEXTURE_2D, _texturesBuffer.get(0)); // set the texture gl.glTexParameterx(GL10.GL_TEXTURE_2D, GL10.GL_TEXTURE_MAG_FILTER, GL10.GL_LINEAR); gl.glTexParameterx(GL10.GL_TEXTURE_2D, GL10.GL_TEXTURE_MIN_FILTER, GL10.GL_LINEAR); gl.glTexParameterx(GL10.GL_TEXTURE_2D, GL10.GL_TEXTURE_WRAP_S, GL10.GL_CLAMP_TO_EDGE); gl.glTexParameterx(GL10.GL_TEXTURE_2D, GL10.GL_TEXTURE_WRAP_T, GL10.GL_CLAMP_TO_EDGE); GLUtils.texImage2D(GL10.GL_TEXTURE_2D, 0, texture, 0); texture.recycle(); }
public String glGetShaderInfoLog(int shader) { ByteBuffer buffer = ByteBuffer.allocateDirect(1024 * 10); buffer.order(ByteOrder.nativeOrder()); ByteBuffer tmp = ByteBuffer.allocateDirect(4); tmp.order(ByteOrder.nativeOrder()); IntBuffer intBuffer = tmp.asIntBuffer(); GL20.glGetShaderInfoLog(shader, intBuffer, buffer); int numBytes = intBuffer.get(0); byte[] bytes = new byte[numBytes]; buffer.get(bytes); return new String(bytes); }
public Cube(Bitmap b) { // initialize buffer for vertex coordinates ByteBuffer vpb = ByteBuffer.allocateDirect( // (# of coordinate values * 4 bytes per float) faceCoords.length * 4); vpb.order(ByteOrder.nativeOrder()); vertexBuffer = vpb.asFloatBuffer(); vertexBuffer.put(faceCoords); vertexBuffer.position(0); // initialize buffer for vertex normals ByteBuffer vnb = ByteBuffer.allocateDirect( // (# of coordinate values * 4 bytes per float) normals.length * 4); vnb.order(ByteOrder.nativeOrder()); normalBuffer = vnb.asFloatBuffer(); normalBuffer.put(normals); normalBuffer.position(0); // initialize buffer for UV Coordinates ByteBuffer uvb = ByteBuffer.allocateDirect( // (# of coordinate values * 4 bytes per float) uvs.length * 4); uvb.order(ByteOrder.nativeOrder()); uvBuffer = uvb.asFloatBuffer(); uvBuffer.put(uvs); uvBuffer.position(0); // initialize byte buffer for the draw list ByteBuffer dlb = ByteBuffer.allocateDirect( // (# of coordinate values * 2 bytes per short) drawOrder.length * 2); dlb.order(ByteOrder.nativeOrder()); drawListBuffer = dlb.asShortBuffer(); drawListBuffer.put(drawOrder); drawListBuffer.position(0); int vertexShader = loadShader(GLES20.GL_VERTEX_SHADER, vertexShaderCode); int fragmentShader = loadShader(GLES20.GL_FRAGMENT_SHADER, fragmentShaderCode); shaderProgram = GLES20.glCreateProgram(); GLES20.glAttachShader(shaderProgram, vertexShader); GLES20.glAttachShader(shaderProgram, fragmentShader); GLES20.glLinkProgram(shaderProgram); loadTexture(b); }
@Setup public void init() { this.byteBuffer = ByteBuffer.allocateDirect(expectedEncoderSize); this.byteBuffer.order(ByteOrder.nativeOrder()); this.addJournalRecordEncoder = new AddJournalRecordEncoder(); this.record = new JournalAddRecord(true, 1, (byte) 1, ZeroEncodingSupport.Instance); this.record.setFileID(1); this.record.setCompactCount((short) 1); this.outBuffer = new ChannelBufferWrapper( Unpooled.directBuffer(this.record.getEncodeSize(), this.record.getEncodeSize()) .order(ByteOrder.nativeOrder())); }
public Cube() { int one = 0x10000; int vertices[] = { -one, -one, -one, one, -one, -one, one, one, -one, -one, one, -one, -one, -one, one, one, -one, one, one, one, one, -one, one, one, }; float[] colors = { 0f, 0f, 0f, 0.0f, 1f, 0f, 0f, 0.0f, 1f, 1f, 0f, 0.0f, 0f, 1f, 0f, 0.0f, 0f, 0f, 1f, 0.0f, 1f, 0f, 1f, 0.0f, 1f, 1f, 1f, 0.0f, 0f, 1f, 1f, 0.0f, }; // 0f, 0f, 0f, 0.5f, // 1f, 0f, 0f, 0.1f, // 1f, 1f, 0f, 0.5f, // 0f, 1f, 0f, 0.1f, // 0f, 0f, 1f, 0.1f, // 1f, 0f, 1f, 0.2f, // 1f, 1f, 1f, 0.1f, // 0f, 1f, 1f, 0.1f, }; byte indices[] = { 0, 4, 5, 0, 5, 1, 1, 5, 6, 1, 6, 2, 2, 6, 7, 2, 7, 3, 3, 7, 4, 3, 4, 0, 4, 7, 6, 4, 6, 5, 3, 0, 1, 3, 1, 2 }; ByteBuffer vbb = ByteBuffer.allocateDirect(vertices.length * 4); vbb.order(ByteOrder.nativeOrder()); mVertexBuffer = vbb.asIntBuffer(); mVertexBuffer.put(vertices); mVertexBuffer.position(0); ByteBuffer cbb = ByteBuffer.allocateDirect(colors.length * 4); cbb.order(ByteOrder.nativeOrder()); mColorBuffer = cbb.asFloatBuffer(); mColorBuffer.put(colors); mColorBuffer.position(0); mIndexBuffer = ByteBuffer.allocateDirect(indices.length); mIndexBuffer.put(indices); mIndexBuffer.position(0); }
public MarkerTile(float mx, float my, float sx, float sy, int texture) { midx = mx; midy = my; sizx = sx; sizy = sy; midOx = mx; midOy = my; sizOx = sx; sizOy = sy; midTx = mx; midTy = my; sizTx = sx; sizTy = sy; textureRef = texture; int vertexInfoShader = XQGLRenderer.loadShader(GLES20.GL_VERTEX_SHADER, vertexInfoTileShaderCode); int fragmentInfoShader = XQGLRenderer.loadShader(GLES20.GL_FRAGMENT_SHADER, fragmentInfoTileShaderCode); mProgram = GLES20.glCreateProgram(); // add the vertex shader to program GLES20.glAttachShader(mProgram, vertexInfoShader); // add the fragment shader to program GLES20.glAttachShader(mProgram, fragmentInfoShader); // creates OpenGL ES program executables GLES20.glLinkProgram(mProgram); ByteBuffer byteBuffer = ByteBuffer.allocateDirect(tileCoords.length * 4); byteBuffer.order(ByteOrder.nativeOrder()); vertexBuffer = byteBuffer.asFloatBuffer(); vertexBuffer.put(tileCoords); vertexBuffer.position(0); byteBuffer = ByteBuffer.allocateDirect(drawOrder.length * 4); byteBuffer.order(ByteOrder.nativeOrder()); indexBuffer = byteBuffer.asShortBuffer(); indexBuffer.put(drawOrder); indexBuffer.position(0); byteBuffer = ByteBuffer.allocateDirect(TextureCoords.length * 4); byteBuffer.order(ByteOrder.nativeOrder()); textureBuffer = byteBuffer.asFloatBuffer(); textureBuffer.put(TextureCoords); textureBuffer.position(0); }
public static void SetupBuffers() { byte tModel[] = new byte[FaceArray.length]; for (int i = 0; i < FaceArray.length; i++) { tModel[i] = (byte) (FaceArray[i]); } for (int i = 0; i < TextArray.length; i += 2) { TextArray[i + 1] = TextArray[i + 1] * -1; } byte tModelB[] = new byte[FaceArrayB.length]; for (int i = 0; i < FaceArrayB.length; i++) { tModelB[i] = (byte) (FaceArrayB[i]); } for (int i = 0; i < TextArrayB.length; i += 2) { TextArrayB[i + 1] = TextArrayB[i + 1] * -1; } ByteBuffer vbb = ByteBuffer.allocateDirect(VertArray.length * 4); vbb.order(ByteOrder.nativeOrder()); mFVertexBuffer = vbb.asFloatBuffer(); mFVertexBuffer.put(VertArray); mFVertexBuffer.position(0); ByteBuffer tbb = ByteBuffer.allocateDirect(TextArray.length * 4); tbb.order(ByteOrder.nativeOrder()); mFTextureBuffer = tbb.asFloatBuffer(); mFTextureBuffer.put(TextArray); mFTextureBuffer.position(0); mModel = ByteBuffer.allocateDirect(FaceArray.length); mModel.put(tModel); mModel.position(0); Faces = FaceArray.length; VertArray = null; TextArray = null; FaceArray = null; ByteBuffer vBbb = ByteBuffer.allocateDirect(VertArrayB.length * 4); vBbb.order(ByteOrder.nativeOrder()); mFVertexBufferB = vBbb.asFloatBuffer(); mFVertexBufferB.put(VertArrayB); mFVertexBufferB.position(0); ByteBuffer tBbb = ByteBuffer.allocateDirect(TextArrayB.length * 4); tBbb.order(ByteOrder.nativeOrder()); mFTextureBufferB = tBbb.asFloatBuffer(); mFTextureBufferB.put(TextArrayB); mFTextureBufferB.position(0); mModelB = ByteBuffer.allocateDirect(FaceArrayB.length); mModelB.put(tModelB); mModelB.position(0); FacesB = FaceArrayB.length; VertArrayB = null; TextArrayB = null; FaceArrayB = null; }