Examples with com.jme3.opencl com.jme3.opencl used on opensource projects

Example 21 with com.jme3.opencl

use of com.jme3.opencl in project jmonkeyengine by jMonkeyEngine.

the class ImageUtils method toJmeImage.

/**
     * Converts java awt image to jme image.
     * @param bufferedImage
     *            the java awt image
     * @param format
     *            the result image format
     * @return the jme image
     */
private static Image toJmeImage(BufferedImage bufferedImage, Format format) {
    ByteBuffer byteBuffer = BufferUtils.createByteBuffer(bufferedImage.getWidth() * bufferedImage.getHeight() * 3);
    ImageToAwt.convert(bufferedImage, format, byteBuffer);
    return new Image(format, bufferedImage.getWidth(), bufferedImage.getHeight(), byteBuffer, com.jme3.texture.image.ColorSpace.Linear);
}

Example 22 with com.jme3.opencl

use of com.jme3.opencl in project jmonkeyengine by jMonkeyEngine.

the class EnvMapUtils method generatePrefilteredEnvMap.

/**
     * Generates the prefiltered env map (used for image based specular
     * lighting) With the GGX/Shlick brdf
     * {@link EnvMapUtils#getSphericalHarmonicsCoefficents(com.jme3.texture.TextureCubeMap)}
     * Note that the output cube map is in RGBA8 format.
     *
     * @param sourceEnvMap
     * @param targetMapSize the size of the irradiance map to generate
     * @param store
     * @param fixSeamsMethod the method to fix seams
     * @return The irradiance cube map for the given coefficients
     */
public static TextureCubeMap generatePrefilteredEnvMap(TextureCubeMap sourceEnvMap, int targetMapSize, FixSeamsMethod fixSeamsMethod, TextureCubeMap store) {
    TextureCubeMap pem = store;
    if (pem == null) {
        pem = new TextureCubeMap(targetMapSize, targetMapSize, Image.Format.RGB16F);
        pem.setMagFilter(Texture.MagFilter.Bilinear);
        pem.setMinFilter(Texture.MinFilter.Trilinear);
        pem.getImage().setColorSpace(ColorSpace.Linear);
    }
    int nbMipMap = (int) (Math.log(targetMapSize) / Math.log(2) - 1);
    CubeMapWrapper sourceWrapper = new CubeMapWrapper(sourceEnvMap);
    CubeMapWrapper targetWrapper = new CubeMapWrapper(pem);
    targetWrapper.initMipMaps(nbMipMap);
    Vector3f texelVect = new Vector3f();
    Vector3f color = new Vector3f();
    ColorRGBA outColor = new ColorRGBA();
    for (int mipLevel = 0; mipLevel < nbMipMap; mipLevel++) {
        System.err.println("mip level " + mipLevel);
        float roughness = getRoughnessFromMip(mipLevel, nbMipMap);
        int nbSamples = getSampleFromMip(mipLevel, nbMipMap);
        int targetMipMapSize = (int) pow(2, nbMipMap + 1 - mipLevel);
        for (int face = 0; face < 6; face++) {
            System.err.println("face " + face);
            for (int y = 0; y < targetMipMapSize; y++) {
                for (int x = 0; x < targetMipMapSize; x++) {
                    color.set(0, 0, 0);
                    getVectorFromCubemapFaceTexCoord(x, y, targetMipMapSize, face, texelVect, FixSeamsMethod.Wrap);
                    prefilterEnvMapTexel(sourceWrapper, roughness, texelVect, nbSamples, color);
                    outColor.set(color.x, color.y, color.z, 1.0f);
                    // System.err.println("coords " + x + "," + y);
                    targetWrapper.setPixel(x, y, face, mipLevel, outColor);
                }
            }
        }
    }
    return pem;
}

Example 23 with com.jme3.opencl

use of com.jme3.opencl in project jmonkeyengine by jMonkeyEngine.

the class IrradianceMapGenerator method generateIrradianceMap.

/**
     * Generates the Irradiance map (used for image based difuse lighting) from
     * Spherical Harmonics coefficients previously computed with
     * {@link EnvMapUtils#getSphericalHarmonicsCoefficents(com.jme3.texture.TextureCubeMap)}
     *
     * @param shCoeffs the SH coeffs
     * @param targetMapSize the size of the irradiance map to generate
     * @param fixSeamsMethod the method to fix seams
     * @param store
     * @return The irradiance cube map for the given coefficients
     */
public TextureCubeMap generateIrradianceMap(Vector3f[] shCoeffs, int targetMapSize, EnvMapUtils.FixSeamsMethod fixSeamsMethod, TextureCubeMap store) {
    TextureCubeMap irrCubeMap = store;
    setEnd(6 + 6);
    for (int i = 0; i < 6; i++) {
        ByteBuffer buf = BufferUtils.createByteBuffer(targetMapSize * targetMapSize * store.getImage().getFormat().getBitsPerPixel() / 8);
        irrCubeMap.getImage().setData(i, buf);
        progress();
    }
    Vector3f texelVect = new Vector3f();
    ColorRGBA color = new ColorRGBA(ColorRGBA.Black);
    float[] shDir = new float[9];
    CubeMapWrapper envMapWriter = new CubeMapWrapper(irrCubeMap);
    for (int face = 0; face < 6; face++) {
        for (int y = 0; y < targetMapSize; y++) {
            for (int x = 0; x < targetMapSize; x++) {
                EnvMapUtils.getVectorFromCubemapFaceTexCoord(x, y, targetMapSize, face, texelVect, fixSeamsMethod);
                EnvMapUtils.evalShBasis(texelVect, shDir);
                color.set(0, 0, 0, 0);
                for (int i = 0; i < EnvMapUtils.NUM_SH_COEFFICIENT; i++) {
                    color.set(color.r + shCoeffs[i].x * shDir[i] * shBandFactor[i], color.g + shCoeffs[i].y * shDir[i] * shBandFactor[i], color.b + shCoeffs[i].z * shDir[i] * shBandFactor[i], 1.0f);
                }
                //clamping the color because very low value close to zero produce artifacts
                color.r = Math.max(0.0001f, color.r);
                color.g = Math.max(0.0001f, color.g);
                color.b = Math.max(0.0001f, color.b);
                envMapWriter.setPixel(x, y, face, color);
            }
        }
        progress();
    }
    return irrCubeMap;
}

Example 24 with com.jme3.opencl

use of com.jme3.opencl in project jmonkeyengine by jMonkeyEngine.

the class PrefilteredEnvMapFaceGenerator method generatePrefilteredEnvMap.

/**
     * Generates the prefiltered env map (used for image based specular
     * lighting) With the GGX/Shlick brdf
     * {@link EnvMapUtils#getSphericalHarmonicsCoefficents(com.jme3.texture.TextureCubeMap)}
     * Note that the output cube map is in RGBA8 format.
     *
     * @param sourceEnvMap
     * @param targetMapSize the size of the irradiance map to generate
     * @param store
     * @param fixSeamsMethod the method to fix seams
     * @return The irradiance cube map for the given coefficients
     */
private TextureCubeMap generatePrefilteredEnvMap(TextureCubeMap sourceEnvMap, int targetMapSize, EnvMapUtils.FixSeamsMethod fixSeamsMethod, TextureCubeMap store) {
    TextureCubeMap pem = store;
    int nbMipMap = (int) (Math.log(targetMapSize) / Math.log(2) - 1);
    setEnd(nbMipMap);
    CubeMapWrapper sourceWrapper = new CubeMapWrapper(sourceEnvMap);
    CubeMapWrapper targetWrapper = new CubeMapWrapper(pem);
    Vector3f texelVect = new Vector3f();
    Vector3f color = new Vector3f();
    ColorRGBA outColor = new ColorRGBA();
    for (int mipLevel = 0; mipLevel < nbMipMap; mipLevel++) {
        float roughness = getRoughnessFromMip(mipLevel, nbMipMap);
        int nbSamples = getSampleFromMip(mipLevel, nbMipMap);
        int targetMipMapSize = (int) pow(2, nbMipMap + 1 - mipLevel);
        for (int y = 0; y < targetMipMapSize; y++) {
            for (int x = 0; x < targetMipMapSize; x++) {
                color.set(0, 0, 0);
                getVectorFromCubemapFaceTexCoord(x, y, targetMipMapSize, face, texelVect, EnvMapUtils.FixSeamsMethod.Wrap);
                prefilterEnvMapTexel(sourceWrapper, roughness, texelVect, nbSamples, color);
                outColor.set(Math.max(color.x, 0.0001f), Math.max(color.y, 0.0001f), Math.max(color.z, 0.0001f), 1);
                log.log(Level.FINE, "coords {0},{1}", new Object[] { x, y });
                targetWrapper.setPixel(x, y, face, mipLevel, outColor);
            }
        }
        progress();
    }
    return pem;
}

Example 25 with com.jme3.opencl

use of com.jme3.opencl in project jmonkeyengine by jMonkeyEngine.

the class BitmapTextPage method cloneFields.

/**
     *  Called internally by com.jme3.util.clone.Cloner.  Do not call directly.
     */
@Override
public void cloneFields(Cloner cloner, Object original) {
    Mesh originalMesh = this.mesh;
    super.cloneFields(cloner, original);
    // want to do it again... so we'll check first.
    if (this.mesh == originalMesh) {
        this.mesh = mesh.deepClone();
    }
}