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Fix OpenGL only recording the first frame of unoptimized GIFs

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This commit is contained in:
Jaime Passos 2020-05-09 16:59:09 -03:00
parent 38232ce07e
commit ab7987d1cf
1 changed files with 31 additions and 26 deletions
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57
src/m_anigif.c
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@ -490,29 +490,28 @@ const UINT8 gifframe_gchead[4] = {0x21,0xF9,0x04,0x04}; // GCE, bytes, packed by
static UINT8 *gifframe_data = NULL;
static size_t gifframe_size = 8192;
//
// GIF_rgbconvert
// converts an RGB frame to a frame with a palette.
//
#ifdef HWRENDER
static void hwrconvert(void)
static void GIF_rgbconvert(UINT8 *linear, UINT8 *scr)
{
UINT8 *linear = HWR_GetScreenshot();
UINT8 *dest = screens[2];
UINT8 r, g, b;
INT32 x, y;
size_t i = 0;
size_t src = 0, dest = 0;
size_t size = (vid.width * vid.height * 3);
InitColorLUT(gif_framepalette);
for (y = 0; y < vid.height; y++)
while (src < size)
{
for (x = 0; x < vid.width; x++, i += 3)
{
r = (UINT8)linear[i];
g = (UINT8)linear[i + 1];
b = (UINT8)linear[i + 2];
dest[(y * vid.width) + x] = colorlookup[r >> SHIFTCOLORBITS][g >> SHIFTCOLORBITS][b >> SHIFTCOLORBITS];
}
r = (UINT8)linear[src];
g = (UINT8)linear[src + 1];
b = (UINT8)linear[src + 2];
scr[dest] = colorlookup[r >> SHIFTCOLORBITS][g >> SHIFTCOLORBITS][b >> SHIFTCOLORBITS];
src += (3 * scrbuf_downscaleamt);
dest += scrbuf_downscaleamt;
}
free(linear);
}
#endif
@ -556,7 +555,11 @@ static void GIF_framewrite(void)
I_ReadScreen(movie_screen);
#ifdef HWRENDER
else if (rendermode == render_opengl)
hwrconvert();
{
UINT8 *linear = HWR_GetScreenshot();
GIF_rgbconvert(linear, movie_screen);
free(linear);
}
#endif
}
else
@ -565,18 +568,20 @@ static void GIF_framewrite(void)
blitw = vid.width;
blith = vid.height;
if (gif_frames == 0)
{
if (rendermode == render_soft)
I_ReadScreen(movie_screen);
#ifdef HWRENDER
else if (rendermode == render_opengl)
{
hwrconvert();
VID_BlitLinearScreen(screens[2], screens[0], vid.width*vid.bpp, vid.height, vid.width*vid.bpp, vid.rowbytes);
}
#endif
// Copy the current OpenGL frame into the base screen
if (rendermode == render_opengl)
{
UINT8 *linear = HWR_GetScreenshot();
GIF_rgbconvert(linear, screens[0]);
free(linear);
}
#endif
// Copy the first frame into the movie screen
// OpenGL already does the same above.
if (gif_frames == 0 && rendermode == render_soft)
I_ReadScreen(movie_screen);
movie_screen = screens[0];
}