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videoscale: optimize merge for RGB15 and RGB16
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b3e5d55040
commit
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1 changed files with 16 additions and 8 deletions
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@ -614,10 +614,14 @@ vs_scanline_merge_linear_RGB565 (uint8_t * dest_u8, uint8_t * src1_u8,
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uint16_t *src2 = (uint16_t *) src2_u8;
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int i;
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for (i = 0; i < n; i++) {
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dest[i] = RGB565 (BLEND (RGB565_R (src1[i]), RGB565_R (src2[i]), x),
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BLEND (RGB565_G (src1[i]), RGB565_G (src2[i]), x),
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BLEND (RGB565_B (src1[i]), RGB565_B (src2[i]), x));
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if (x == 0) {
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memcpy (dest, src1, n * 2);
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} else {
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for (i = 0; i < n; i++) {
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dest[i] = RGB565 (BLEND (RGB565_R (src1[i]), RGB565_R (src2[i]), x),
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BLEND (RGB565_G (src1[i]), RGB565_G (src2[i]), x),
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BLEND (RGB565_B (src1[i]), RGB565_B (src2[i]), x));
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}
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}
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}
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@ -707,10 +711,14 @@ vs_scanline_merge_linear_RGB555 (uint8_t * dest_u8, uint8_t * src1_u8,
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uint16_t *src2 = (uint16_t *) src2_u8;
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int i;
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for (i = 0; i < n; i++) {
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dest[i] = RGB555 (BLEND (RGB555_R (src1[i]), RGB555_R (src2[i]), x),
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BLEND (RGB555_G (src1[i]), RGB555_G (src2[i]), x),
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BLEND (RGB555_B (src1[i]), RGB555_B (src2[i]), x));
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if (x == 0) {
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memcpy (dest, src1, n * 2);
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} else {
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for (i = 0; i < n; i++) {
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dest[i] = RGB555 (BLEND (RGB555_R (src1[i]), RGB555_R (src2[i]), x),
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BLEND (RGB555_G (src1[i]), RGB555_G (src2[i]), x),
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BLEND (RGB555_B (src1[i]), RGB555_B (src2[i]), x));
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}
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}
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}
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