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    const int maxTessellationLevel     = 64;
    const int trianglesPerHeightSample = 10;

    const int xDivisions = trianglesPerHeightSample * TILE_WIDTH  / CHUNKS / maxTessellationLevel;
    const int zDivisions = trianglesPerHeightSample * TILE_HEIGHT / CHUNKS / maxTessellationLevel;

    int patchCount = xDivisions * zDivisions;

    QVector<float> positionData(2 * patchCount); // 2 floats per vertex

    const float dx = 1.0f / MathHelper::toFloat(xDivisions);
    const float dz = 1.0f / MathHelper::toFloat(zDivisions);

    for(int j = 0; j < 2 * zDivisions; j += 2)
    {
        float z = MathHelper::toFloat(j) * dz * 0.5;

        for(int i = 0; i < 2 * xDivisions; i += 2)
        {
            float x         = MathHelper::toFloat(i) * dx * 0.5;
            const int index = xDivisions * j + i;

            positionData[index]     = x;
            positionData[index + 1] = z;
        }
    }