private void getSampleOffsetsBlur(int width, int height, float[] offsets, int numOffsets, boolean bHorizontal, float fDeviation, float fMultiplier) {
        float tu = 1.0f / (bHorizontal ? width : height);
        float halfTexel = tu * 0.5f;

        // center
        offsets[0 * numOffsets + 0] = 0.0f;
        offsets[0 * numOffsets + 1] = 0.0f;
        offsets[0 * numOffsets + 2] = fMultiplier * gaussianDistribution(0, 0, fDeviation);

        // offsets to the right, these are all in-between texels samples (bilinear filtering must be enabled)
        int numMiddleTaps = (numOffsets - 1) / 2;
        for (int i = 1; i <= numMiddleTaps; i++) {
            offsets[i * numOffsets + 2] = fMultiplier * gaussianDistribution((float) i, 0, fDeviation);

            if (bHorizontal) {
                offsets[i * numOffsets + 0] = (float) (i * 2 - 1) * tu + halfTexel;
                offsets[i * numOffsets + 1] = offsets[0 * numOffsets + 1];
            } else {
                offsets[i * numOffsets + 0] = offsets[0 * numOffsets + 0];
                offsets[i * numOffsets + 1] = -((float) (i * 2 - 1) * tu + halfTexel);
            }
        }

        // mirror the other half
        for (int i = numMiddleTaps + 1; i <= (numMiddleTaps * 2); i++) {
            offsets[i * numOffsets + 2] = offsets[(i - numMiddleTaps) * numOffsets + 2];

            if (bHorizontal) {
                offsets[i * numOffsets + 0] = -((float) ((i - numMiddleTaps) * 2) * tu - halfTexel);
                offsets[i * numOffsets + 1] = offsets[0 * numOffsets + 1];
            } else {
                offsets[i * numOffsets + 0] = offsets[0 * numOffsets + 0];
                offsets[i * numOffsets + 1] = ((float) ((i - numMiddleTaps) * 2) * tu - halfTexel);
            }
        }
    }