Example #1
0
/**
 * Scale by a factor of 2 a row of pixels of 16 bits.
 * This function operates like scale2x_8_mmx() but for 16 bits pixels.
 * \param src0 Pointer at the first pixel of the previous row.
 * \param src1 Pointer at the first pixel of the current row.
 * \param src2 Pointer at the first pixel of the next row.
 * \param count Length in pixels of the src0, src1 and src2 rows. It must
 * be at least 8 and a multiple of 4.
 * \param dst0 First destination row, double length in pixels.
 * \param dst1 Second destination row, double length in pixels.
 */
void scale2x_16_mmx(scale2x_uint16* dst0, scale2x_uint16* dst1, const scale2x_uint16* src0, const scale2x_uint16* src1, const scale2x_uint16* src2, unsigned count)
{
	if (count % 4 != 0 || count < 8) {
		scale2x_16_def(dst0, dst1, src0, src1, src2, count);
	} else {
		scale2x_16_mmx_border(dst0, src0, src1, src2, count);
		scale2x_16_mmx_border(dst1, src2, src1, src0, count);
	}
}
Example #2
0
/**
 * Scale by a factor of 2 a row of pixels of 16 bits.
 * This function operates like scale2x_8_mmx() but for 16 bits pixels.
 * \param src0 Pointer at the first pixel of the previous row.
 * \param src1 Pointer at the first pixel of the current row.
 * \param src2 Pointer at the first pixel of the next row.
 * \param count Length in pixels of the src0, src1 and src2 rows. It must
 * be at least 8 and a multiple of 4.
 * \param dst0 First destination row, double length in pixels.
 * \param dst1 Second destination row, double length in pixels.
 */
static void scale2x_16_mmx(uint16* dst0, uint16* dst1, const uint16* src0, const uint16* src1, const uint16* src2, unsigned count)
{
	if (count % 4 != 0 || count < 8) {
		Scale2xScalerInternal<uint16, Manip_Nat2Nat_16>::scale2x_def(dst0, dst1, src0, src1, src2, count);
	} else {
		scale2x_16_mmx_border(dst0, src0, src1, src2, count);
		scale2x_16_mmx_border(dst1, src2, src1, src0, count);
	}
}