Examples with Format com.jme3.scene.VertexBuffer.Format used on opensource projects

Example 1 with Format

use of com.jme3.scene.VertexBuffer.Format in project jmonkeyengine by jMonkeyEngine.

the class SkyFactory method checkImagesForCubeMap.

private static void checkImagesForCubeMap(Image... images) {
    if (images.length == 1) {
        return;
    }
    Format fmt = images[0].getFormat();
    int width = images[0].getWidth();
    int height = images[0].getHeight();
    ByteBuffer data = images[0].getData(0);
    int size = data != null ? data.capacity() : 0;
    checkImage(images[0]);
    for (int i = 1; i < images.length; i++) {
        Image image = images[i];
        checkImage(images[i]);
        if (image.getFormat() != fmt) {
            throw new IllegalArgumentException("Images must have same format");
        }
        if (image.getWidth() != width || image.getHeight() != height) {
            throw new IllegalArgumentException("Images must have same resolution");
        }
        ByteBuffer data2 = image.getData(0);
        if (data2 != null) {
            if (data2.capacity() != size) {
                throw new IllegalArgumentException("Images must have same size");
            }
        }
    }
}

Example 2 with Format

use of com.jme3.scene.VertexBuffer.Format in project jmonkeyengine by jMonkeyEngine.

the class ShaderNodeLoaderDelegate method parseMapping.

/**
     * reads a mapping statement. Sets the nameSpace, name and swizzling of the
     * left variable. Sets the name, nameSpace and swizzling of the right
     * variable types will be determined later.
     *
     * <code>
     * Format : <nameSpace>.<varName>[.<swizzling>] =
     * <nameSpace>.<varName>[.<swizzling>][:Condition]
     * </code>
     * 
     * @param statement the statement to read
     * @return the read mapping
     */
protected VariableMapping parseMapping(Statement statement, boolean[] hasNameSpace) throws IOException {
    VariableMapping mapping = new VariableMapping();
    String[] cond = statement.getLine().split(":");
    String[] vars = cond[0].split("=");
    checkMappingFormat(vars, statement);
    ShaderNodeVariable[] variables = new ShaderNodeVariable[2];
    String[] swizzle = new String[2];
    for (int i = 0; i < vars.length; i++) {
        String[] expression = vars[i].trim().split("\\.");
        if (hasNameSpace[i]) {
            if (expression.length <= 3) {
                variables[i] = new ShaderNodeVariable("", expression[0].trim(), expression[1].trim());
            }
            if (expression.length == 3) {
                swizzle[i] = expression[2].trim();
            }
        } else {
            if (expression.length <= 2) {
                variables[i] = new ShaderNodeVariable("", expression[0].trim());
            }
            if (expression.length == 2) {
                swizzle[i] = expression[1].trim();
            }
        }
    }
    mapping.setLeftVariable(variables[0]);
    mapping.setLeftSwizzling(swizzle[0] != null ? swizzle[0] : "");
    mapping.setRightVariable(variables[1]);
    mapping.setRightSwizzling(swizzle[1] != null ? swizzle[1] : "");
    if (cond.length > 1) {
        extractCondition(cond[1], statement);
        mapping.setCondition(conditionParser.getFormattedExpression());
    }
    return mapping;
}

Example 3 with Format

use of com.jme3.scene.VertexBuffer.Format in project jmonkeyengine by jMonkeyEngine.

the class EnvMapUtils method createPrefilteredEnvMap.

/**
     * initialize the pem map
     * @param size the size of the map
     * @param imageFormat the format of the image
     * @return the initialized prefiltered env map
     */
public static TextureCubeMap createPrefilteredEnvMap(int size, Image.Format imageFormat) {
    TextureCubeMap pem = new TextureCubeMap(size, size, imageFormat);
    pem.setMagFilter(Texture.MagFilter.Bilinear);
    pem.setMinFilter(Texture.MinFilter.Trilinear);
    pem.getImage().setColorSpace(ColorSpace.Linear);
    int nbMipMap = (int) (Math.log(size) / Math.log(2) - 1);
    CubeMapWrapper targetWrapper = new CubeMapWrapper(pem);
    targetWrapper.initMipMaps(nbMipMap);
    return pem;
}

Example 4 with Format

use of com.jme3.scene.VertexBuffer.Format in project jmonkeyengine by jMonkeyEngine.

the class EnvMapUtils 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)}
     * Note that the output cube map is in RGBA8 format.
     *
     * @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 static TextureCubeMap generateIrradianceMap(Vector3f[] shCoeffs, int targetMapSize, FixSeamsMethod fixSeamsMethod, TextureCubeMap store) {
    TextureCubeMap irrCubeMap = store;
    if (irrCubeMap == null) {
        irrCubeMap = new TextureCubeMap(targetMapSize, targetMapSize, Image.Format.RGB16F);
        irrCubeMap.setMagFilter(Texture.MagFilter.Bilinear);
        irrCubeMap.setMinFilter(Texture.MinFilter.BilinearNoMipMaps);
        irrCubeMap.getImage().setColorSpace(ColorSpace.Linear);
    }
    for (int i = 0; i < 6; i++) {
        ByteBuffer buf = BufferUtils.createByteBuffer(targetMapSize * targetMapSize * irrCubeMap.getImage().getFormat().getBitsPerPixel() / 8);
        irrCubeMap.getImage().setData(i, buf);
    }
    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++) {
                getVectorFromCubemapFaceTexCoord(x, y, targetMapSize, face, texelVect, fixSeamsMethod);
                evalShBasis(texelVect, shDir);
                color.set(0, 0, 0, 0);
                for (int i = 0; i < 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);
            }
        }
    }
    return irrCubeMap;
}

Example 5 with Format

use of com.jme3.scene.VertexBuffer.Format in project jmonkeyengine by jMonkeyEngine.

the class EnvMapUtils method createIrradianceMap.

/**
     * initialize the Irradiancemap
     * @param size the size of the map
     * @param imageFormat the format of the image
     * @return the initialized Irradiance map
     */
public static TextureCubeMap createIrradianceMap(int size, Image.Format imageFormat) {
    TextureCubeMap irrMap = new TextureCubeMap(size, size, imageFormat);
    irrMap.setMagFilter(Texture.MagFilter.Bilinear);
    irrMap.setMinFilter(Texture.MinFilter.BilinearNoMipMaps);
    irrMap.getImage().setColorSpace(ColorSpace.Linear);
    return irrMap;
}