コード例 #1
0
ファイル: Viewer3D.java プロジェクト: psava/cwp12
  public void addRSFCube(String filename) {
    System.out.println("add cube: " + filename);
    Input file = new Input(filename);

    int n3 = file.getN(3);
    float d3 = file.getDelta(3);
    float o3 = file.getOrigin(3);
    int n2 = file.getN(2);
    float d2 = file.getDelta(2);
    float o2 = file.getOrigin(2);
    int n1 = file.getN(1);
    float d1 = file.getDelta(1);
    float o1 = file.getOrigin(1);

    Sampling s1 = new Sampling(n1, d1, o1);
    Sampling s2 = new Sampling(n2, d2, o2);
    Sampling s3 = new Sampling(n3, d3, o3);
    _s1 = s1;
    _s2 = s2;
    _s3 = s3;
    float[][][] data = new float[n3][n2][n1];
    file.read(data);
    file.close();
    System.out.println("Done reading data...");
    _ipg = addImagePanels(s1, s2, s3, data);
    _ipg.setClips(ArrayMath.min(data), ArrayMath.max(data));

    _ipg.addColorMapListener(_cb);

    System.out.printf("pclip: (%f,%f) \n", _ipg.getPercentileMin(), _ipg.getPercentileMax());
    _view.setWorldSphere(_ipg.getBoundingSphere(true));
  }
コード例 #2
0
  public static void main(String args[]) throws FileNotFoundException {

    Random rand = new Random();
    Scanner in = new Scanner(System.in);
    Pointer phdata = new Pointer();
    Stopwatch sw = new Stopwatch();

    int n1 = 2;
    int n2 = n1 + 2; // MUST be even
    int size = n1 * n2;

    String fileName;
    String sourceStr;

    float e11, e12, e22;
    float r00, r01, r10, r11;
    float rs, ra, rb, sa, sb;
    float r1, r2, s1, s2;
    float alpha = 18.0f;

    String kernelNames[] = {"setMem", "soSmoothingNew"};

    sourceStr = CLUtil.readFile("sosmoothing.cl");

    CLUtil.clInit(sourceStr, kernelNames);

    float[][] h_ri = new float[n1][n2];
    float[][] h_si = new float[n1][n2];
    float[][] si = new float[n1][n2];
    float[][] h_d11i = new float[n1][n2];
    float[][] h_d12i = new float[n1][n2];
    float[][] h_d22i = new float[n1][n2];

    for (int i = 0; i < n1; i++) {
      for (int j = 0; j < n2; j++) {
        h_ri[i][j] = 1.0f;
        h_si[i][j] = 1.0f;
        si[i][j] = 1.0f;
        if (j >= 1 && i >= 1) {
          h_d11i[i][j] = 1.0f;
          h_d12i[i][j] = 0.0f;
          h_d22i[i][j] = 1.0f;
        }
      }
    }

    float[] h_ri1 = new float[size];
    float[] h_si1 = new float[size];
    float[] h_d11i_1 = new float[size];
    float[] h_d12i_1 = new float[size];
    float[] h_d22i_1 = new float[size];

    CLUtil.packArray(n1, n2, h_ri, h_ri1);
    CLUtil.packArray(n1, n2, h_si, h_si1);
    CLUtil.packArray(n1, n2, h_d11i, h_d11i_1);
    CLUtil.packArray(n1, n2, h_d12i, h_d12i_1);
    CLUtil.packArray(n1, n2, h_d22i, h_d22i_1);

    for (int i2 = 1; i2 < n1; ++i2) {
      for (int i1 = 1; i1 < n2; ++i1) {

        e11 = alpha * h_d11i[i2][i1]; // fill matrices here with random numbers
        e12 = alpha * h_d12i[i2][i1]; // fill D matrix with random numbers
        e22 = alpha * h_d22i[i2][i1];
        r00 = h_ri[i2][i1];
        r01 = h_ri[i2][i1 - 1];
        r10 = h_ri[i2 - 1][i1];
        r11 = h_ri[i2 - 1][i1 - 1];
        rs = 0.25f * (r00 + r01 + r10 + r11);
        ra = r00 - r11;
        rb = r01 - r10;
        r1 = ra - rb;
        r2 = ra + rb;
        s1 = e11 * r1 + e12 * r2;
        s2 = e12 * r1 + e22 * r2;
        sa = s1 + s2;
        sb = s1 - s2;
        si[i2][i1] += sa;
        si[i2][i1 - 1] -= sb;
        si[i2 - 1][i1] += sb;
        si[i2 - 1][i1 - 1] -= sa;
      }
    }

    cl_mem d_s, d_r, d_d11, d_d12, d_d22;

    d_r = CLUtil.createGPUBuffer(size, "r");
    d_d11 = CLUtil.createGPUBuffer(size, "r");
    d_d12 = CLUtil.createGPUBuffer(size, "r");
    d_d22 = CLUtil.createGPUBuffer(size, "r");
    d_s = CLUtil.createGPUBuffer((n1 + 1) * (n2 + 1), "rw");

    CLUtil.copyToBuffer(h_ri1, d_r, size);
    CLUtil.copyToBuffer(h_d11i_1, d_d11, size);
    CLUtil.copyToBuffer(h_d12i_1, d_d12, size);
    CLUtil.copyToBuffer(h_d22i_1, d_d22, size);

    CLUtil.setKernelArg(CLUtil.kernels[0], d_s, 0);
    CLUtil.setKernelArg(CLUtil.kernels[0], 0.0f, 1);
    CLUtil.setKernelArg(CLUtil.kernels[0], size, 2);

    long[] oned_global_work_size = new long[] {size};
    CLUtil.executeKernel(CLUtil.kernels[0], 1, oned_global_work_size);

    long[] local_group_size = new long[] {32, 32};
    long[] mapped_n1 = new long[] {n2 / 2};
    long[] mapped_n2 = new long[] {n1 / 2};
    long[] global_group_size_block =
        new long[] {
          (long) Math.ceil(mapped_n1[0] / local_group_size[0] + 1) * local_group_size[0],
          (long) Math.ceil(mapped_n2[0] / local_group_size[0] + 1) * local_group_size[1]
        };

    CLUtil.setKernelArg(CLUtil.kernels[1], d_r, 0);
    CLUtil.setKernelArg(CLUtil.kernels[1], d_d11, 1);
    CLUtil.setKernelArg(CLUtil.kernels[1], d_d12, 2);
    CLUtil.setKernelArg(CLUtil.kernels[1], d_d22, 3);
    CLUtil.setKernelArg(CLUtil.kernels[1], d_s, 4);
    CLUtil.setKernelArg(CLUtil.kernels[1], alpha, 5);
    CLUtil.setKernelArg(CLUtil.kernels[1], n1, 6);
    CLUtil.setKernelArg(CLUtil.kernels[1], n2, 7);

    for (int offsetx = 0; offsetx < 2; ++offsetx) {
      for (int offsety = 0; offsety < 2; ++offsety) {
        CLUtil.setKernelArg(CLUtil.kernels[1], offsetx, 8);
        CLUtil.setKernelArg(CLUtil.kernels[1], offsety, 9);
        CLUtil.executeKernel(CLUtil.kernels[1], 2, global_group_size_block, local_group_size);
      }
    }

    CLUtil.readFromBuffer(d_s, h_si1, (n1 + 1) * (n2 + 1));

    float[] test = new float[n1 * n2];

    LocalSmoothingFilter.saxpy1(n1, n2, -1.0f, h_si1, test);

    clReleaseMemObject(d_r);
    clReleaseMemObject(d_s);
    clReleaseMemObject(d_d11);
    clReleaseMemObject(d_d12);
    clReleaseMemObject(d_d22);
    CLUtil.clRelease();

    ArrayMath.dump(si);
    ArrayMath.dump(h_si);

    CLUtil.unPackArray(n1, n2, h_si1, h_si);

    float[][] diffArray;

    diffArray = ArrayMath.sub(si, h_si);

    PlotPanel panel1 = new PlotPanel(1, 1);
    PlotPanel panel2 = new PlotPanel(1, 1);
    PlotPanel panel3 = new PlotPanel(1, 1);
    PlotPanel panel4 = new PlotPanel(1, 1);

    PixelsView npix1 = panel1.addPixels(si);
    panel1.addTitle("CPU Output");
    panel1.addColorBar();
    PixelsView npix2 = panel2.addPixels(h_si);
    panel2.addTitle("GPU Output");
    panel2.addColorBar();
    PixelsView npix3 = panel3.addPixels(diffArray);
    npix3.setClips(-0.0001f, 0.0001f);
    panel3.addTitle("Difference Between Images");
    panel3.addColorBar();
    PixelsView npix4 = panel4.addPixels(h_ri);
    panel4.addTitle("Input Image");
    panel4.addColorBar();
    //
    //		PixelsView pix1 = panel.addPixels(0,0,s);
    //		PixelsView pix2 = panel.addPixels(1,0,h_s);
    //		PixelsView pix3 = panel.addPixels(2,0,diffArray);
    //		panel.addColorBar();

    // PlotFrame frame = new PlotFrame(panel);
    PlotFrame frame1 = new PlotFrame(panel1);
    PlotFrame frame2 = new PlotFrame(panel2);
    PlotFrame frame3 = new PlotFrame(panel3);
    PlotFrame frame4 = new PlotFrame(panel4);

    // frame.setVisible(true);
    frame1.setVisible(true);
    frame2.setVisible(true);
    frame3.setVisible(true);
    frame4.setVisible(true);
  }