コード例 #1
0
ファイル: Converter.java プロジェクト: pelluch/iic3373-t3
  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;
  }
コード例 #2
0
ファイル: Converter.java プロジェクト: pelluch/iic3373-t3
  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;
  }