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Fix discoloured screenshots bug.

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git-svn-id: https://svn.code.sf.net/p/fteqw/code/trunk@5632 fc73d0e0-1445-4013-8a0c-d673dee63da5
This commit is contained in:
Spoike 2020-02-20 02:33:15 +00:00
parent 395309b2d9
commit dbc76288a5
1 changed files with 19 additions and 16 deletions
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35
engine/gl/gl_screen.c
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@ -328,29 +328,32 @@ char *GLVID_GetRGBInfo(int *bytestride, int *truewidth, int *trueheight, enum up
if (gammaworks && r2d_canhwgamma) if (gammaworks && r2d_canhwgamma)
{ {
if (*fmt == PTI_BGRA8 || *fmt == PTI_BGRX8 || *fmt == PTI_BGR8) extern qbyte gammatable[256];
int pxsize = 4;
c = (*truewidth)*(*trueheight);
switch(*fmt)
{ {
int pxsize = (*fmt == PTI_BGR8)?3:4; case PTI_RGB8:
c = (*truewidth)*(*trueheight)*pxsize; case PTI_BGR8:
pxsize = 3;
//fallthrough
case PTI_LLLA8:
case PTI_LLLX8:
case PTI_RGBA8:
case PTI_RGBX8:
case PTI_BGRA8:
case PTI_BGRX8:
//pxsize is 4 (or 3 if we fell through above)
c*=pxsize;
for (i=0 ; i<c ; i+=pxsize) for (i=0 ; i<c ; i+=pxsize)
{ {
extern qbyte gammatable[256];
ret[i+0] = gammatable[ret[i+2]];
ret[i+1] = gammatable[ret[i+1]];
ret[i+2] = gammatable[ret[i+0]];
}
}
else if (*fmt == PTI_RGBA8 || *fmt == PTI_RGBX8 || *fmt == PTI_RGB8)
{
int pxsize = (*fmt == PTI_RGB8)?3:4;
c = (*truewidth)*(*trueheight)*pxsize;
for (i=0 ; i<c ; i+=pxsize)
{
extern qbyte gammatable[256];
ret[i+0] = gammatable[ret[i+0]]; ret[i+0] = gammatable[ret[i+0]];
ret[i+1] = gammatable[ret[i+1]]; ret[i+1] = gammatable[ret[i+1]];
ret[i+2] = gammatable[ret[i+2]]; ret[i+2] = gammatable[ret[i+2]];
} }
break;
default:
break; //some kind of bug.
} }
} }