Merge "Fix bug in grain." into jb-mr1-dev

rs_allocation gBlendSource;

void blend9(uchar *out, uint32_t x, uint32_t y) {

    uint32_t x1 = min(x+1, (uint32_t)gWidth);

    uint32_t x2 = max(x-1, (uint32_t)0);

    uint32_t y1 = min(y+1, (uint32_t)gHeight);

    uint32_t y2 = max(y-1, (uint32_t)0);

    uint32_t x1 = min((int32_t)x+1, (int32_t)gWidth);

    uint32_t x2 = max((int32_t)x-1, (int32_t)0);

    uint32_t y1 = min((int32_t)y+1, (int32_t)gHeight);

    uint32_t y2 = max((int32_t)y-1, (int32_t)0);

    uint p00 = 56 *  ((uchar *)rsGetElementAt(gBlendSource, x1, y1))[0];

    uint p01 = 114 * ((uchar *)rsGetElementAt(gBlendSource, x, y1))[0];