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This commit is contained in:
Themaister 2010-08-28 16:49:20 +02:00
parent 5eccffced3
commit fd86688cc4
1 changed files with 9 additions and 6 deletions
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15
hqflt/ntsc.c
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@ -1,16 +1,19 @@
#include "ntsc.h"
#include <stdlib.h>
#include <stdbool.h>
void ntsc_filter(uint16_t * restrict out, const uint16_t * restrict in, int width, int height)
{
static snes_ntsc_t *ntsc = NULL;
static int phase = 0;
if (ntsc == NULL)
static snes_ntsc_t ntsc;
static bool inited = false;
if (inited == false)
{
ntsc = calloc(1, sizeof(snes_ntsc_t));
snes_ntsc_init(ntsc, &snes_ntsc_composite);
snes_ntsc_init(&ntsc, &snes_ntsc_composite);
inited = true;
}
snes_ntsc_blit(ntsc, in, width, phase, width, height, out, SNES_NTSC_OUT_WIDTH(width) * sizeof(uint16_t));
phase = (phase + 1) % 4;
snes_ntsc_blit(&ntsc, in, width, phase, width, height, out, SNES_NTSC_OUT_WIDTH(width) * sizeof(uint16_t));
phase ^= 1;
}