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Implement in-game screenshots.

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This commit is contained in:
Bill Currie 2011-12-31 17:24:20 +09:00
parent d8dbfa9c24
commit 3eae8426e6
1 changed files with 29 additions and 0 deletions
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29
libs/video/renderer/glsl/glsl_screen.c
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@ -42,10 +42,15 @@ static __attribute__ ((used)) const char rcsid[] = "$Id$";
#include "QF/cvar.h"
#include "QF/draw.h"
#include "QF/dstring.h"
#include "QF/image.h"
#include "QF/png.h"
#include "QF/quakefs.h"
#include "QF/render.h"
#include "QF/screen.h"
#include "QF/skin.h"
#include "QF/sys.h"
#include "QF/va.h"
#include "QF/GLSL/defines.h"
#include "QF/GLSL/funcs.h"
@ -207,4 +212,28 @@ SCR_ScreenShot (int width, int height)
VISIBLE void
SCR_ScreenShot_f (void)
{
byte *buffer, *r, *b;
dstring_t *name = dstring_new ();
int size, i;
// find a file name to save it to
if (!QFS_NextFilename (name, va ("%s/qf", qfs_gamedir->dir.def), ".png")) {
Sys_Printf ("SCR_ScreenShot_f: Couldn't create a PNG file\n");
} else {
size = vid.width * vid.height;
buffer = malloc (size * 3);
SYS_CHECKMEM (buffer);
qfglReadPixels (0, 0, vid.width, vid.height, GL_RGB,
GL_UNSIGNED_BYTE, buffer);
// FIXME have to swap rgb (WritePNG bug?)
for (i = 0, r = buffer, b = buffer + 2; i < size; i++, r+=3, b+=3) {
byte t = *b;
*b = *r;
*r = t;
}
WritePNGqfs (name->str, buffer, vid.width, vid.height);
free (buffer);
Sys_Printf ("Wrote %s/%s\n", qfs_userpath, name->str);
}
dstring_delete (name);
}