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Optimize gif recording in opengl a bit

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This commit is contained in:
NepDisk 2025-02-09 15:32:49 -05:00
parent ced70c0d22
commit e32f910bd1
2 changed files with 21 additions and 12 deletions
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5
src/hardware/hw_draw.c
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@ -1221,10 +1221,13 @@ static inline boolean saveTGA(const char *file_name, void *buffer,
UINT8 *HWR_GetScreenshot(void)
{
UINT8 *buf = malloc(vid.width * vid.height * 3 * sizeof (*buf));
static UINT8 *buf = NULL;
buf = realloc(buf, vid.width * vid.height * 3);
if (!buf)
return NULL;
// returns 24bit 888 RGB
HWD.pfnReadRect(0, 0, vid.width, vid.height, vid.width * 3, (void *)buf);
return buf;

28
src/m_anigif.c
View file

@ -511,19 +511,25 @@ static colorlookup_t gif_colorlookup;
static void GIF_rgbconvert(UINT8 *linear, UINT8 *scr)
{
UINT8 r, g, b;
size_t src = 0, dest = 0;
size_t size = (vid.width * vid.height * 3);
size_t src, dest;
int x, y;
InitColorLUT(&gif_colorlookup, (gif_localcolortable) ? gif_framepalette : gif_headerpalette, true);
while (src < size)
for (x = 0; x < vid.width; x += scrbuf_downscaleamt)
{
r = (UINT8)linear[src];
g = (UINT8)linear[src + 1];
b = (UINT8)linear[src + 2];
scr[dest] = GetColorLUTDirect(&gif_colorlookup, r, g, b);
src += (3 * scrbuf_downscaleamt);
dest += scrbuf_downscaleamt;
for (y = 0; y < vid.height; y += scrbuf_downscaleamt)
{
dest = y*vid.width + x;
src = dest*3;
r = (UINT8)linear[src];
g = (UINT8)linear[src + 1];
b = (UINT8)linear[src + 2];
scr[dest] = GetColorLUTDirect(&gif_colorlookup, r, g, b);
src += (3 * scrbuf_downscaleamt);
dest += scrbuf_downscaleamt;
}
}
}
#endif
@ -571,7 +577,7 @@ static void GIF_framewrite(void)
{
UINT8 *linear = HWR_GetScreenshot();
GIF_rgbconvert(linear, movie_screen);
free(linear);
//free(linear); // Allocated 'statically', no need to free now
}
#endif
}
@ -587,7 +593,7 @@ static void GIF_framewrite(void)
{
UINT8 *linear = HWR_GetScreenshot();
GIF_rgbconvert(linear, screens[0]);
free(linear);
//free(linear); // Allocated 'statically', no need to free now
}
#endif