pixel2
static void setMismatchReason(int32 x, int32 y, uint8 *pixel1, uint8 *pixel2,
memcpy(&color2, pixel2, bpp);
uint8* pixel2 = row2;
for (int x = 0; x < width; x ++, pixel1 += bpp, pixel2 += bpp) {
if (memcmp(pixel1, pixel2, bpp) != 0) {
setMismatchReason(x, y, pixel1, pixel2, bpp, reason);
pixel2 p;