Ejemplo n.º 1
0
  public CrustLayer(AVList params) {
    URL url = null;
    try {
      URL context = (URL) params.getValue(AVKeyMore.CONTEXT_URL);
      url = new URL(context, params.getStringValue(AVKey.URL));
    } catch (MalformedURLException e) {
      throw new IllegalArgumentException(e);
    }
    this.url = url;

    this.width = (Integer) params.getValue(AVKey.WIDTH);
    this.height = (Integer) params.getValue(AVKey.HEIGHT);
    this.sector = (Sector) params.getValue(AVKey.SECTOR);

    if (width <= 1 || height <= 1) {
      throw new IllegalArgumentException("Illegal width or height");
    }

    double scale = 1;
    if (params.getValue(AVKeyMore.SCALE) != null) {
      scale = (Double) params.getValue(AVKeyMore.SCALE);
    }
    this.scale = scale;

    boolean wrap = false;
    if (params.getValue(AVKeyMore.WRAP) != null) {
      wrap = (Boolean) params.getValue(AVKeyMore.WRAP);
    }

    indices = generateTriStripIndices(width, height, wrap);
    vertices = Buffers.newDirectDoubleBuffer(width * height * 3);
    colors = Buffers.newDirectDoubleBuffer(width * height * 4);
  }
  /**
   * Entry point to C language function: <code>
   *  GLint {@native gluBuild1DMipmapLevels}(GLenum target, GLint internalFormat, GLsizei width, GLenum format, GLenum type, GLint level, GLint base, GLint max, const void *  data)
   * </code> <br>
   * Part of <code>GLU_VERSION_1_X</code><br>
   *
   * @param data a direct or array-backed {@link java.nio.Buffer}
   */
  private int gluBuild1DMipmapLevelsC(
      int target,
      int internalFormat,
      int width,
      int format,
      int type,
      int level,
      int base,
      int max,
      Buffer data) {

    final boolean data_is_direct = Buffers.isDirect(data);
    final long __addr_ = getGLUProcAddressTable()._addressof_gluBuild1DMipmapLevels;
    if (__addr_ == 0) {
      throw new GLException(String.format("Method \"%s\" not available", "gluBuild1DMipmapLevels"));
    }
    return dispatch_gluBuild1DMipmapLevelsC1(
        target,
        internalFormat,
        width,
        format,
        type,
        level,
        base,
        max,
        data_is_direct ? data : Buffers.getArray(data),
        data_is_direct
            ? Buffers.getDirectBufferByteOffset(data)
            : Buffers.getIndirectBufferByteOffset(data),
        data_is_direct,
        __addr_);
  }
  protected int updateCoordinateBuffers(TaggedAxis1D taggedAxis, int width, int height) {
    List<Tag> tags = taggedAxis.getSortedTags();

    int size = tags.size();

    if (vertexCoords == null || vertexCoords.capacity() < size * 4)
      vertexCoords = Buffers.newDirectFloatBuffer(size * 4);

    if (textureCoords == null || textureCoords.capacity() < size * 2)
      textureCoords = Buffers.newDirectFloatBuffer(size * 2);

    vertexCoords.rewind();
    textureCoords.rewind();

    int x1 = getColorBarMinX(width);
    int x2 = getColorBarMaxX(width);

    int count = 0;
    for (Tag tag : tags) {
      if (tag.hasAttribute(TEX_COORD_ATTR)) {
        float textureCoord = tag.getAttributeFloat(TEX_COORD_ATTR);
        float vertexCoord = (float) taggedAxis.valueToScreenPixel(tag.getValue());

        vertexCoords.put(x1).put(vertexCoord).put(x2).put(vertexCoord);
        textureCoords.put(textureCoord).put(textureCoord);

        count += 2;
      }
    }

    return count;
  }
Ejemplo n.º 4
0
  /**
   * Constructor that creates a Vertex Buffer Object with the specified GLSL attributes. (typically
   * location, texture coordinates, normals, etc.)
   *
   * @param gl The global openGL instance.
   * @param attribs One or more attributes that represent this VBO, @see GLSLAttrib
   */
  public VBO(GL3 gl, GLSLAttrib... attribs) {
    this.attribs = attribs;

    // Generate a new internal OpenGL VBO pointer
    this.vboPointer = Buffers.newDirectIntBuffer(1);
    gl.glGenVertexArrays(1, this.vboPointer);
    gl.glBindVertexArray(this.vboPointer.get(0));

    // Generate a new internal OpenGL Array Buffer pointer
    this.bufferPointer = Buffers.newDirectIntBuffer(1);
    gl.glGenBuffers(1, this.bufferPointer);
    gl.glBindBuffer(GL3.GL_ARRAY_BUFFER, this.bufferPointer.get(0));

    // Allocate enough memory
    int size = 0;
    for (final GLSLAttrib attrib : attribs) {
      size += attrib.buffer.capacity() * Buffers.SIZEOF_FLOAT;
    }

    gl.glBufferData(GL3.GL_ARRAY_BUFFER, size, (Buffer) null, GL3.GL_STATIC_DRAW);

    // Copy the GLSL Attribute data into the internal OpenGL buffer
    int nextStart = 0;
    for (final GLSLAttrib attrib : attribs) {
      gl.glBufferSubData(
          GL3.GL_ARRAY_BUFFER,
          nextStart,
          attrib.buffer.capacity() * Buffers.SIZEOF_FLOAT,
          attrib.buffer);
      nextStart += attrib.buffer.capacity() * Buffers.SIZEOF_FLOAT;
    }
  }
Ejemplo n.º 5
0
  @Override
  protected final Buffer getGammaRamp(final NativeSurface surface) {
    final long display = surface.getDisplayHandle();
    if (0 == display) {
      return null;
    }
    final int screenIdx = surface.getScreenIndex();

    final int size = getGammaRampLength(surface);

    final ShortBuffer rampData = Buffers.newDirectShortBuffer(3 * size);
    final ShortBuffer redRampData = Buffers.slice(rampData, 0 * size, size);
    final ShortBuffer greenRampData = Buffers.slice(rampData, 1 * size, size);
    final ShortBuffer blueRampData = Buffers.slice(rampData, 2 * size, size);

    final boolean res =
        X11Lib.XF86VidModeGetGammaRamp(
            display, screenIdx, size, redRampData, greenRampData, blueRampData);
    if (!res) {
      return null;
    }
    if (DEBUG) {
      dumpRamp("GET__", size, redRampData, greenRampData, blueRampData);
    }
    return rampData;
  }
Ejemplo n.º 6
0
  public void loadBuffers() {
    SurfCell curSurf; // the current surface being worked with
    PolyCell curPoly; // the current polygon in the surface
    VertListCell curVertLC;

    curSurf = surfHead;
    int vertCount;
    while (curSurf != null) {
      int vertsPerPrim;
      vertCount = 0;
      curPoly = curSurf.polyHead;
      // vertCount += curPoly.numVerts;
      vertsPerPrim = curPoly.numVerts;
      while (curPoly != null) {
        vertCount += curPoly.numVerts;
        if (curPoly.numVerts != vertsPerPrim) {
          System.out.printf("Surface %s: Unequal number of vertices ", curSurf.name);
          System.out.printf(
              "\n    First prim had %d Cur Prim has %d\n", curPoly.numVerts, vertsPerPrim);
          return;
        }
        curPoly = curPoly.next;
      }
      curSurf.numVerts = vertCount;
      float vertices[] = new float[vertCount * 3];
      int vInd = 0;
      float normals[] = new float[vertCount * 3];
      int nInd = 0;
      curPoly = curSurf.polyHead;
      while (curPoly != null) {
        curVertLC = curPoly.vert;
        while (curVertLC != null) {
          // for(int i = 0; i < curPoly.numVerts; i++);{
          VertCell curVert = vertArray.get(curVertLC.vert);
          vertices[vInd++] = (float) curVert.worldPos.x;
          vertices[vInd++] = (float) curVert.worldPos.y;
          vertices[vInd++] = (float) curVert.worldPos.z;
          normals[nInd++] = (float) vertNormArray[curVertLC.vert].x;
          normals[nInd++] = (float) vertNormArray[curVertLC.vert].y;
          normals[nInd++] = (float) vertNormArray[curVertLC.vert].z;
          curVertLC = curVertLC.next;
        }
        curPoly = curPoly.next;
      }
      // now put vertices and normals into VertexArray or Buffer
      curSurf.vertexBuffer = Buffers.newDirectFloatBuffer(vertices.length);
      curSurf.vertexBuffer.put(vertices);
      curSurf.vertexBuffer.rewind();

      curSurf.normalBuffer = Buffers.newDirectFloatBuffer(normals.length);
      curSurf.normalBuffer.put(normals);
      curSurf.normalBuffer.rewind();

      curSurf = curSurf.next;
    }
  }
 /** Optional, throws GLException if not available in profile */
 public final int gluScaleImage(
     int format,
     int widthin,
     int heightin,
     int typein,
     java.nio.Buffer datain,
     int widthout,
     int heightout,
     int typeout,
     java.nio.Buffer dataout) {
   validateMipmap();
   java.nio.ByteBuffer in = null;
   java.nio.ByteBuffer out = null;
   in = copyToByteBuffer(datain);
   if (dataout instanceof java.nio.ByteBuffer) {
     out = (java.nio.ByteBuffer) dataout;
   } else if (dataout instanceof java.nio.ShortBuffer) {
     out = Buffers.newDirectByteBuffer(dataout.remaining() * Buffers.SIZEOF_SHORT);
   } else if (dataout instanceof java.nio.IntBuffer) {
     out = Buffers.newDirectByteBuffer(dataout.remaining() * Buffers.SIZEOF_INT);
   } else if (dataout instanceof java.nio.FloatBuffer) {
     out = Buffers.newDirectByteBuffer(dataout.remaining() * Buffers.SIZEOF_FLOAT);
   } else {
     throw new IllegalArgumentException(
         "Unsupported destination buffer type (must be byte, short, int, or float)");
   }
   int errno =
       Mipmap.gluScaleImage(
           getCurrentGL2ES1(),
           format,
           widthin,
           heightin,
           typein,
           in,
           widthout,
           heightout,
           typeout,
           out);
   if (errno == 0) {
     out.rewind();
     if (out != dataout) {
       if (dataout instanceof java.nio.ShortBuffer) {
         ((java.nio.ShortBuffer) dataout).put(out.asShortBuffer());
       } else if (dataout instanceof java.nio.IntBuffer) {
         ((java.nio.IntBuffer) dataout).put(out.asIntBuffer());
       } else if (dataout instanceof java.nio.FloatBuffer) {
         ((java.nio.FloatBuffer) dataout).put(out.asFloatBuffer());
       } else {
         throw new RuntimeException("Should not reach here");
       }
     }
   }
   return (errno);
 }
Ejemplo n.º 8
0
 public static long EGLConfigId2EGLConfig(long display, int configID) {
   final IntBuffer attrs =
       Buffers.newDirectIntBuffer(new int[] {EGL.EGL_CONFIG_ID, configID, EGL.EGL_NONE});
   final PointerBuffer configs = PointerBuffer.allocateDirect(1);
   final IntBuffer numConfigs = Buffers.newDirectIntBuffer(1);
   if (!EGL.eglChooseConfig(display, attrs, configs, 1, numConfigs)) {
     return 0;
   }
   if (numConfigs.get(0) == 0) {
     return 0;
   }
   return configs.get(0);
 }
Ejemplo n.º 9
0
 private static boolean initByteOrder() {
   ByteBuffer tst_b = Buffers.newDirectByteBuffer(Buffers.SIZEOF_INT); // 32bit in native order
   IntBuffer tst_i = tst_b.asIntBuffer();
   ShortBuffer tst_s = tst_b.asShortBuffer();
   tst_i.put(0, 0x0A0B0C0D);
   return 0x0C0D == tst_s.get(0);
 }
Ejemplo n.º 10
0
 private static List<GLCapabilitiesImmutable> getAvailableEGLConfigs(
     EGLGraphicsDevice eglDisplay, GLCapabilitiesImmutable caps) {
   final IntBuffer numConfigs = Buffers.newDirectIntBuffer(1);
   if (!EGL.eglGetConfigs(eglDisplay.getHandle(), null, 0, numConfigs)) {
     throw new GLException(
         "EGLDrawableFactory.getAvailableEGLConfigs: Get maxConfigs (eglGetConfigs) call failed, error "
             + EGLContext.toHexString(EGL.eglGetError()));
   }
   if (0 < numConfigs.get(0)) {
     final PointerBuffer configs = PointerBuffer.allocateDirect(numConfigs.get(0));
     final IntBuffer attrs = EGLGraphicsConfiguration.GLCapabilities2AttribList(caps);
     final int winattrmask = GLGraphicsConfigurationUtil.getExclusiveWinAttributeBits(caps);
     if (EGL.eglChooseConfig(
             eglDisplay.getHandle(), attrs, configs, configs.capacity(), numConfigs)
         && numConfigs.get(0) > 0) {
       return EGLGraphicsConfigurationFactory.eglConfigs2GLCaps(
           eglDisplay,
           caps.getGLProfile(),
           configs,
           numConfigs.get(0),
           winattrmask,
           false /* forceTransparentFlag */);
     }
   }
   return new ArrayList<GLCapabilitiesImmutable>(0);
 }
Ejemplo n.º 11
0
  public static void shaderSource(final GL _gl, final int shader, final CharSequence[] source) {
    final GL2ES2 gl = _gl.getGL2ES2();
    if (!isShaderCompilerAvailable(_gl)) {
      throw new GLException("No compiler is available");
    }

    final int count = (null != source) ? source.length : 0;
    if (count == 0) {
      throw new GLException("No sources specified");
    }

    final IntBuffer lengths = Buffers.newDirectIntBuffer(count);
    for (int i = 0; i < count; i++) {
      lengths.put(i, source[i].length());
    }
    if (source instanceof String[]) {
      // rare case ..
      gl.glShaderSource(shader, count, (String[]) source, lengths);
    } else {
      final String[] tmp = new String[source.length];
      for (int i = source.length - 1; i >= 0; i--) {
        final CharSequence csq = source[i];
        if (csq instanceof String) {
          // if ShaderCode.create(.. mutableStringBuilder == false )
          tmp[i] = (String) csq;
        } else {
          // if ShaderCode.create(.. mutableStringBuilder == true )
          tmp[i] = source[i].toString();
        }
      }
      gl.glShaderSource(shader, count, tmp, lengths);
    }
  }
Ejemplo n.º 12
0
  protected void loadData(String s) {
    try {
      double[] doubles = parseDoubles(s);

      if (doubles.length != width * height) {
        throw new IOException(
            "File doesn't contain width x height (" + (width * height) + ") values");
      }

      DoubleBuffer buffer = Buffers.newDirectDoubleBuffer(width * height);
      buffer.put(doubles);
      buffer.rewind();

      for (int i = 0; i < width * height; i++) {
        double elev = buffer.get();
        minElevation = Math.min(minElevation, elev);
        maxElevation = Math.max(maxElevation, elev);
      }

      synchronized (elevationLock) {
        this.elevations = buffer;
      }
      // force a recalculate
      lastGlobe = null;
      firePropertyChange(AVKey.LAYER, null, this);
    } catch (IOException e) {
      if (loadAttempts < MAX_DOWNLOAD_ATTEMPTS) {
        loaded = false;
        Downloader.removeCache(url);
        Logging.logger().warning("Deleted corrupt cached data file for " + url);
      } else {
        e.printStackTrace();
      }
    }
  }
Ejemplo n.º 13
0
  public static BufferedImage convertImageToRGB(
      CLParams clParams,
      float[] sphericalImageFloats,
      int width,
      int height,
      ConversionType inputType) {

    FloatBuffer fb = Buffers.newDirectFloatBuffer(sphericalImageFloats);
    CLBuffer<FloatBuffer> sphericalImageBuffer =
        clParams.getContext().createBuffer(fb, CLBuffer.Mem.READ_WRITE);

    out.println("Transforming image to rgb coords");
    CLKernel kernel = clParams.getKernel("convert_" + typeToString(inputType) + "_to_rgb");
    kernel.putArg(sphericalImageBuffer).putArg(width).putArg(height).rewind();

    long time = nanoTime();
    clParams.getQueue().putWriteBuffer(sphericalImageBuffer, false);
    clParams.getQueue().put2DRangeKernel(kernel, 0, 0, width, height, 0, 0);
    clParams.getQueue().putReadBuffer(sphericalImageBuffer, true);
    time = nanoTime() - time;
    out.println("computation took: " + (time / 1000000) + "ms");

    BufferedImage rgbImage =
        ImageUtils.createImage(width, height, sphericalImageBuffer, BufferedImage.TYPE_INT_RGB);

    return rgbImage;
  }
Ejemplo n.º 14
0
  public static CLBuffer<FloatBuffer> convertRgbTo(
      CLParams clParams, BufferedImage image, ConversionType type) {

    out.println("Transforming image to spherical coords");
    int width = image.getWidth();
    int height = image.getHeight();

    float[] pixels = image.getRaster().getPixels(0, 0, width, height, (float[]) null);

    // copy to direct float buffer
    FloatBuffer fb = Buffers.newDirectFloatBuffer(pixels);

    // allocate a OpenCL buffer using the direct fb as working copy
    CLBuffer<FloatBuffer> buffer = clParams.getContext().createBuffer(fb, CLBuffer.Mem.READ_WRITE);

    CLKernel kernel = clParams.getKernel("convert_rgb_to_" + typeToString(type));
    kernel.putArg(buffer).putArg(image.getWidth()).putArg(image.getHeight()).rewind();

    long time = nanoTime();
    clParams.getQueue().putWriteBuffer(buffer, false);
    clParams.getQueue().put2DRangeKernel(kernel, 0, 0, image.getWidth(), image.getHeight(), 0, 0);
    clParams.getQueue().putReadBuffer(buffer, true);

    time = nanoTime() - time;

    out.println("computation took: " + (time / 1000000) + "ms");
    return buffer;
  }
Ejemplo n.º 15
0
  /**
   * Initialization method for any shader. Compiles and checks code.
   *
   * @param gl The global openGL instance.
   * @throws CompilationFailedException If the compilation of the GLSL code generated any errors.
   */
  public void init(GL3 gl) throws CompilationFailedException {
    try {
      // First, give the source to OpenGL and compile
      gl.glShaderSource(getShaderPointer(), 1, source, (int[]) null, 0);
      gl.glCompileShader(getShaderPointer());

      // Receive compilation status
      IntBuffer buf = Buffers.newDirectIntBuffer(1);
      gl.glGetShaderiv(getShaderPointer(), GL3.GL_COMPILE_STATUS, buf);
      int status = buf.get(0);

      // Check the status
      if (status == GL3.GL_FALSE) {
        // Prepare for additional information
        gl.glGetShaderiv(getShaderPointer(), GL3.GL_INFO_LOG_LENGTH, buf);
        int logLength = buf.get(0);
        byte[] reason = new byte[logLength];

        // Get additional information
        gl.glGetShaderInfoLog(getShaderPointer(), logLength, null, 0, reason, 0);

        throw new CompilationFailedException(
            "Compilation of " + filename + " failed, " + new String(reason));
      }
    } catch (UninitializedException e) {
      logger.error(e.getMessage());
    }
  }
Ejemplo n.º 16
0
 private final ByteBuffer copyToByteBuffer(Buffer buf) {
   if (buf instanceof ByteBuffer) {
     if (buf.position() == 0) {
       return (ByteBuffer) buf;
     }
     return Buffers.copyByteBuffer((ByteBuffer) buf);
   } else if (buf instanceof ShortBuffer) {
     return Buffers.copyShortBufferAsByteBuffer((ShortBuffer) buf);
   } else if (buf instanceof IntBuffer) {
     return Buffers.copyIntBufferAsByteBuffer((IntBuffer) buf);
   } else if (buf instanceof FloatBuffer) {
     return Buffers.copyFloatBufferAsByteBuffer((FloatBuffer) buf);
   } else {
     throw new IllegalArgumentException(
         "Unsupported buffer type (must be one of byte, short, int, or float)");
   }
 }
Ejemplo n.º 17
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  private static final void resetGammaRamp(
      final long display, final int screenIdx, final Buffer originalGammaRamp) {
    final ShortBuffer rampData = (ShortBuffer) originalGammaRamp;
    final int capacity = rampData.capacity();
    if ((capacity % 3) != 0) {
      throw new IllegalArgumentException("Must not be the original gamma ramp");
    }
    final int size = capacity / 3;

    final ShortBuffer redRampData = Buffers.slice(rampData, 0 * size, size);
    final ShortBuffer greenRampData = Buffers.slice(rampData, 1 * size, size);
    final ShortBuffer blueRampData = Buffers.slice(rampData, 2 * size, size);
    if (DEBUG) {
      dumpRamp("RESET", size, redRampData, greenRampData, blueRampData);
    }

    X11Lib.XF86VidModeSetGammaRamp(
        display, screenIdx, size, redRampData, greenRampData, blueRampData);
  }
Ejemplo n.º 18
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 @Override
 public final ColorSpace allocate(
     int width, int height, ColorSpace sourceCM, int sourceComponents) throws RuntimeException {
   this.width = width;
   this.height = height;
   this.sourceComponents = sourceComponents;
   this.sourceCS = sourceCM;
   this.data = Buffers.newDirectByteBuffer(width * height * storageComponents);
   return storageCS;
 }
Ejemplo n.º 19
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 public OpenALAudioDevice(
     OpenALAudio audio, int sampleRate, boolean isMono, int bufferSize, int bufferCount) {
   this.audio = audio;
   channels = isMono ? 1 : 2;
   this.bufferSize = bufferSize;
   this.bufferCount = bufferCount;
   this.format = channels > 1 ? ALConstants.AL_FORMAT_STEREO16 : ALConstants.AL_FORMAT_MONO16;
   this.sampleRate = sampleRate;
   secondsPerBuffer = (float) bufferSize / bytesPerSample / channels / sampleRate;
   tempBuffer = Buffers.newDirectByteBuffer(bufferSize);
 }
Ejemplo n.º 20
0
  protected static X11ExternalGLXContext create(GLDrawableFactory factory, GLProfile glp) {
    long ctx = GLX.glXGetCurrentContext();
    if (ctx == 0) {
      throw new GLException("Error: current context null");
    }
    long display = GLX.glXGetCurrentDisplay();
    if (display == 0) {
      throw new GLException("Error: current display null");
    }
    long drawable = GLX.glXGetCurrentDrawable();
    if (drawable == 0) {
      throw new GLException(
          "Error: attempted to make an external GLDrawable without a drawable/context current");
    }
    IntBuffer val = Buffers.newDirectIntBuffer(1);

    int w, h;
    GLX.glXQueryDrawable(display, drawable, GLX.GLX_WIDTH, val);
    w = val.get(0);
    GLX.glXQueryDrawable(display, drawable, GLX.GLX_HEIGHT, val);
    h = val.get(0);

    GLX.glXQueryContext(display, ctx, GLX.GLX_SCREEN, val);
    X11GraphicsScreen x11Screen =
        (X11GraphicsScreen) X11GraphicsScreen.createScreenDevice(display, val.get(0), false);

    GLX.glXQueryContext(display, ctx, GLX.GLX_FBCONFIG_ID, val);
    X11GLXGraphicsConfiguration cfg = null;
    // sometimes glXQueryContext on an external context gives us a framebuffer config ID
    // of 0, which doesn't work in a subsequent call to glXChooseFBConfig; if this happens,
    // create and use a default config (this has been observed when running on CentOS 5.5 inside
    // of VMWare Server 2.0 with the Mesa 6.5.1 drivers)
    if (VisualIDHolder.VID_UNDEFINED == val.get(0)
        || !X11GLXGraphicsConfiguration.GLXFBConfigIDValid(
            display, x11Screen.getIndex(), val.get(0))) {
      GLCapabilities glcapsDefault = new GLCapabilities(GLProfile.getDefault());
      cfg =
          X11GLXGraphicsConfigurationFactory.chooseGraphicsConfigurationStatic(
              glcapsDefault, glcapsDefault, null, x11Screen, VisualIDHolder.VID_UNDEFINED);
      if (DEBUG) {
        System.err.println(
            "X11ExternalGLXContext invalid FBCONFIG_ID "
                + val.get(0)
                + ", using default cfg: "
                + cfg);
      }
    } else {
      cfg = X11GLXGraphicsConfiguration.create(glp, x11Screen, val.get(0));
    }

    final WrappedSurface ns = new WrappedSurface(cfg, drawable, w, h, true);
    return new X11ExternalGLXContext(new Drawable(factory, ns), ctx);
  }
Ejemplo n.º 21
0
  public void updateVisibleOctant(GL2 gl) {
    if (leavesCount > 0) {
      // Limits
      refreshLimits();

      // Switch to OpenGL2 select mode
      int capacity = 1 * 4 * leavesCount; // Each object take in maximium : 4 * name stack depth
      IntBuffer hitsBuffer = Buffers.newDirectIntBuffer(capacity);
      gl.glSelectBuffer(hitsBuffer.capacity(), hitsBuffer);
      gl.glRenderMode(GL2.GL_SELECT);
      gl.glInitNames();
      gl.glPushName(0);
      gl.glDisable(GL2.GL_CULL_FACE); // Disable flags
      // Draw the nodes cube in the select buffer
      for (Octant n : leaves) {
        if (n != null) {
          gl.glLoadName(n.leafId);
          n.displayOctant(gl);
          n.visible = false;
        }
      }
      visibleLeaves = 0;
      int nbRecords = gl.glRenderMode(GL2.GL_RENDER);
      if (vizController.getVizModel().isCulling()) {
        gl.glEnable(GL2.GL_CULL_FACE);
        gl.glCullFace(GL2.GL_BACK);
      }

      // Get the hits and add the nodes' objects to the array
      int depth = Integer.MAX_VALUE;
      int minDepth = -1;
      for (int i = 0; i < nbRecords; i++) {
        int hit = hitsBuffer.get(i * 4 + 3); // -1 Because of the glPushName(0)
        int minZ = hitsBuffer.get(i * 4 + 1);
        if (minZ < depth) {
          depth = minZ;
          minDepth = hit;
        }

        Octant nodeHit = leaves[hit];
        nodeHit.visible = true;
        visibleLeaves++;
      }
      if (minDepth != -1) {
        Octant closestOctant = leaves[minDepth];
        Vec3f pos =
            new Vec3f(closestOctant.getPosX(), closestOctant.getPosY(), closestOctant.getPosZ());
        limits.setClosestPoint(pos);
      }
    }
  }
Ejemplo n.º 22
0
 static long createBGRA8888Icon0(
     final Buffer pixels,
     final int width,
     final int height,
     final boolean isCursor,
     final int hotX,
     final int hotY) {
   if (null == pixels) {
     throw new IllegalArgumentException("data buffer/size");
   }
   final boolean pixels_is_direct = Buffers.isDirect(pixels);
   return createBGRA8888Icon0(
       pixels_is_direct ? pixels : Buffers.getArray(pixels),
       pixels_is_direct
           ? Buffers.getDirectBufferByteOffset(pixels)
           : Buffers.getIndirectBufferByteOffset(pixels),
       pixels_is_direct,
       width,
       height,
       isCursor,
       hotX,
       hotY);
 }
Ejemplo n.º 23
0
  public void writeSamples(byte[] data, int offset, int length) {
    if (length < 0) throw new IllegalArgumentException("length cannot be < 0.");

    if (sourceID == -1) {
      sourceID = audio.obtainSource(true);
      if (sourceID == -1) return;
      if (buffers == null) {
        buffers = Buffers.newDirectIntBuffer(bufferCount);
        audio.getAL().alGenBuffers(buffers.limit(), buffers);
        if (audio.getAL().alGetError() != ALConstants.AL_NO_ERROR)
          throw new GdxRuntimeException("Unabe to allocate audio buffers.");
      }
      audio.getAL().alSourcei(sourceID, ALConstants.AL_LOOPING, ALConstants.AL_FALSE);
      audio.getAL().alSourcef(sourceID, ALConstants.AL_GAIN, volume);
      // Fill initial buffers.
      int queuedBuffers = 0;
      for (int i = 0; i < bufferCount; i++) {
        int bufferID = buffers.get(i);
        int written = Math.min(bufferSize, length);
        tempBuffer.clear();
        tempBuffer.put(data, offset, written).flip();
        audio
            .getAL()
            .alBufferData(bufferID, format, tempBuffer, tempBuffer.remaining(), sampleRate);
        ib.put(0, bufferID).rewind();
        audio.getAL().alSourceQueueBuffers(sourceID, ib.limit(), ib);
        length -= written;
        offset += written;
        queuedBuffers++;
      }
      // Queue rest of buffers, empty.
      tempBuffer.clear().flip();
      for (int i = queuedBuffers; i < bufferCount; i++) {
        int bufferID = buffers.get(i);
        audio
            .getAL()
            .alBufferData(bufferID, format, tempBuffer, tempBuffer.remaining(), sampleRate);
        audio.getAL().alSourceQueueBuffers(sourceID, ib.limit(), ib);
      }
      audio.getAL().alSourcePlay(sourceID);
      isPlaying = true;
    }

    while (length > 0) {
      int written = fillBuffer(data, offset, length);
      length -= written;
      offset += written;
    }
  }
Ejemplo n.º 24
0
  protected static IntBuffer generateTriStripIndices(int width, int height, boolean wrapWidth) {
    int w = width - 1;
    if (!wrapWidth) {
      width--;
    }
    height--;
    int indexCount = 2 * width * height + 4 * width - 2;
    IntBuffer buffer = Buffers.newDirectIntBuffer(indexCount);
    int k = 0;
    for (int i = 0; i < width; i++) {
      buffer.put(k);
      if (i > 0) {
        buffer.put(++k);
        buffer.put(k);
      }

      if (i % 2 == 0) // even
      {
        buffer.put(++k);
        for (int j = 0; j < height; j++) {
          k += w;
          buffer.put(k);
          buffer.put(++k);
        }
      } else
      // odd
      {
        buffer.put(--k);
        for (int j = 0; j < height; j++) {
          k -= w;
          buffer.put(k);
          buffer.put(--k);
        }
      }
    }

    if (wrapWidth) {
      boolean even = width % 2 == 0;
      int fixLast = 2 * height + 3 - (even ? 0 : 1);
      for (int i = indexCount - fixLast + 1; i < indexCount; i += 2) {
        buffer.put(i, buffer.get(i) - width);
      }
      if (even) {
        buffer.put(fixLast, buffer.get(fixLast) - width);
      }
    }

    return buffer;
  }
Ejemplo n.º 25
0
  @Test
  public void bufferWithHostPointerTest() {

    out.println(" - - - highLevelTest; host pointer test - - - ");

    final int elements = NUM_ELEMENTS;

    final CLContext context = CLContext.create();

    final ByteBuffer buffer = Buffers.newDirectByteBuffer(elements * SIZEOF_INT);
    // fill only first read buffer -> we will copy the payload to the second later.
    fillBuffer(buffer, 12345);

    final CLCommandQueue queue = context.getDevices()[0].createCommandQueue();

    final Mem[] bufferConfig = new Mem[] {Mem.COPY_BUFFER, Mem.USE_BUFFER};

    for (int i = 0; i < bufferConfig.length; i++) {

      out.println("testing with " + bufferConfig[i] + " config");

      final CLBuffer<ByteBuffer> clBufferA =
          context.createBuffer(buffer, Mem.READ_ONLY, bufferConfig[i]);
      final CLBuffer<ByteBuffer> clBufferB =
          context.createByteBuffer(elements * SIZEOF_INT, Mem.READ_ONLY);

      // asynchronous write of data to GPU device, blocking read later to get the computed results
      // back.
      queue
          .putCopyBuffer(clBufferA, clBufferB, clBufferA.buffer.capacity()) // copy A -> B
          .putReadBuffer(clBufferB, true) // read B
          .finish();

      assertEquals(2, context.getMemoryObjects().size());
      clBufferA.release();
      assertEquals(1, context.getMemoryObjects().size());
      clBufferB.release();
      assertEquals(0, context.getMemoryObjects().size());

      // uploading worked when a==b.
      out.println("validating computed results...");
      checkIfEqual(clBufferA.buffer, clBufferB.buffer, elements);
      out.println("results are valid");
    }

    context.release();
  }
Ejemplo n.º 26
0
  private int checkSelection(GL2ES2 gl, int x, int y, int width, int height) {
    gl.glPixelStorei(GL2ES2.GL_PACK_ALIGNMENT, 4);
    gl.glPixelStorei(GL2ES2.GL_UNPACK_ALIGNMENT, 4);
    gl.glClearColor(sceneClearColor[0], sceneClearColor[1], sceneClearColor[2], sceneClearColor[3]);
    gl.glClear(GL.GL_COLOR_BUFFER_BIT | GL.GL_DEPTH_BUFFER_BIT);

    render(gl, width, height, 0, null, true);
    ByteBuffer pixel = Buffers.newDirectByteBuffer(4);
    pixel.order(ByteOrder.nativeOrder());
    IntBuffer viewport = IntBuffer.allocate(4);
    gl.glGetIntegerv(GL2ES2.GL_VIEWPORT, viewport);
    gl.glReadPixels(x, viewport.get(3) - y, 1, 1, GL2ES2.GL_RGBA, GL2ES2.GL_UNSIGNED_BYTE, pixel);

    int qp = pixel.get(0) & 0xFF;
    int index = Math.round(((qp / 255.0f) * (count + 2)) - 1);
    if (index < 0 || index >= count) return -1;
    return index;
  }
Ejemplo n.º 27
0
  public static IntBuffer CreatePBufferSurfaceAttribList(int width, int height, int texFormat) {
    IntBuffer attrs = Buffers.newDirectIntBuffer(16);
    int idx = 0;

    attrs.put(idx++, EGL.EGL_WIDTH);
    attrs.put(idx++, width);

    attrs.put(idx++, EGL.EGL_HEIGHT);
    attrs.put(idx++, height);

    attrs.put(idx++, EGL.EGL_TEXTURE_FORMAT);
    attrs.put(idx++, texFormat);

    attrs.put(idx++, EGL.EGL_TEXTURE_TARGET);
    attrs.put(idx++, EGL.EGL_NO_TEXTURE == texFormat ? EGL.EGL_NO_TEXTURE : EGL.EGL_TEXTURE_2D);

    attrs.put(idx++, EGL.EGL_NONE);

    return attrs;
  }
Ejemplo n.º 28
0
  static int EGLConfigDrawableTypeBits(final EGLGraphicsDevice device, final long config) {
    int val = 0;

    final IntBuffer stype = Buffers.newDirectIntBuffer(1);
    if (!EGL.eglGetConfigAttrib(device.getHandle(), config, EGL.EGL_SURFACE_TYPE, stype)) {
      throw new GLException("Could not determine EGL_SURFACE_TYPE");
    }

    final int _stype = stype.get(0);
    if (0 != (_stype & EGL.EGL_WINDOW_BIT)) {
      val |= GLGraphicsConfigurationUtil.WINDOW_BIT;
    }
    if (0 != (_stype & EGL.EGL_PIXMAP_BIT)) {
      val |= GLGraphicsConfigurationUtil.BITMAP_BIT;
    }
    if (0 != (_stype & EGL.EGL_PBUFFER_BIT)) {
      val |= GLGraphicsConfigurationUtil.PBUFFER_BIT | GLGraphicsConfigurationUtil.FBO_BIT;
    }
    return val;
  }
Ejemplo n.º 29
0
  /**
   * Entry point to C language function: <code>
   *  GLint {@native gluScaleImage}(GLenum format, GLsizei wIn, GLsizei hIn, GLenum typeIn, const void *  dataIn, GLsizei wOut, GLsizei hOut, GLenum typeOut, GLvoid *  dataOut)
   * </code> <br>
   * Part of <code>GLU_VERSION_1_X</code><br>
   *
   * @param dataIn a direct or array-backed {@link java.nio.Buffer}
   * @param dataOut a direct or array-backed {@link java.nio.Buffer}
   */
  private int gluScaleImageC(
      int format,
      int wIn,
      int hIn,
      int typeIn,
      Buffer dataIn,
      int wOut,
      int hOut,
      int typeOut,
      Buffer dataOut) {

    final boolean dataIn_is_direct = Buffers.isDirect(dataIn);
    final boolean dataOut_is_direct = Buffers.isDirect(dataOut);
    final long __addr_ = getGLUProcAddressTable()._addressof_gluScaleImage;
    if (__addr_ == 0) {
      throw new GLException(String.format("Method \"%s\" not available", "gluScaleImage"));
    }
    return dispatch_gluScaleImageC1(
        format,
        wIn,
        hIn,
        typeIn,
        dataIn_is_direct ? dataIn : Buffers.getArray(dataIn),
        dataIn_is_direct
            ? Buffers.getDirectBufferByteOffset(dataIn)
            : Buffers.getIndirectBufferByteOffset(dataIn),
        dataIn_is_direct,
        wOut,
        hOut,
        typeOut,
        dataOut_is_direct ? dataOut : Buffers.getArray(dataOut),
        dataOut_is_direct
            ? Buffers.getDirectBufferByteOffset(dataOut)
            : Buffers.getIndirectBufferByteOffset(dataOut),
        dataOut_is_direct,
        __addr_);
  }
Ejemplo n.º 30
0
  public static boolean isEGLConfigValid(long display, long config) {
    if (0 == config) {
      return false;
    }
    final IntBuffer val = Buffers.newDirectIntBuffer(1);

    // get the configID
    if (!EGL.eglGetConfigAttrib(display, config, EGL.EGL_CONFIG_ID, val)) {
      final int eglErr = EGL.eglGetError();
      if (DEBUG) {
        System.err.println(
            dbgCfgFailIntro
                + "EGL_CONFIG_ID"
                + dbgCfgFailForConfig
                + toHexString(config)
                + dbgCfgFailError
                + toHexString(eglErr));
      }
      return false;
    }
    return true;
  }