quakeforge/libs/video/renderer/sw/d_init.c
Bill Currie f758f5fb70 [renderer] Respond to window size changes
Currently, only gl, glsl and sw are working, vulkan needs its swapchain
to be rebuilt, and there are minor issues with the hud and console
resizing.
2022-09-22 01:15:06 +09:00

112 lines
2.4 KiB
C

/*
d_init.c
rasterization driver initialization
Copyright (C) 1996-1997 Id Software, Inc.
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
See the GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to:
Free Software Foundation, Inc.
59 Temple Place - Suite 330
Boston, MA 02111-1307, USA
*/
#ifdef HAVE_CONFIG_H
# include "config.h"
#endif
#include "QF/cvar.h"
#include "QF/render.h"
#include "compat.h"
#include "d_local.h"
#include "r_internal.h"
#include "vid_internal.h"
#define NUM_MIPS 4
surfcache_t *d_initial_rover;
qboolean d_roverwrapped;
int d_minmip;
float d_scalemip[NUM_MIPS - 1];
static float basemip[NUM_MIPS - 1] = { 1.0, 0.5 * 0.8, 0.25 * 0.8 };
static byte *surfcache;
void (*d_drawspans) (espan_t *pspan);
static void
d_vidsize_listener (void *data, const viddef_t *vid)
{
int cachesize = D_SurfaceCacheForRes (vid->width, vid->height);
if (surfcache) {
D_FlushCaches (vid->vid_internal->data);
free (surfcache);
surfcache = 0;
}
surfcache = calloc (cachesize, 1);
vid->vid_internal->init_buffers (vid->vid_internal->data);
D_InitCaches (surfcache, cachesize);
viddef.recalc_refdef = 1;
}
void
D_Init (void)
{
r_drawpolys = false;
r_worldpolysbacktofront = false;
r_recursiveaffinetriangles = true;
viddef_t *vid = vr_data.vid;
vid->vid_internal->flush_caches = D_FlushCaches;
VID_OnVidResize_AddListener (d_vidsize_listener, 0);
d_vidsize_listener (0, vr_data.vid);
}
void
D_TurnZOn (void)
{
// not needed for software version
}
void
D_SetupFrame (void)
{
int i;
d_roverwrapped = false;
d_initial_rover = sc_rover;
d_minmip = bound (0, d_mipcap, 3);
for (i = 0; i < (NUM_MIPS - 1); i++)
d_scalemip[i] = basemip[i] * d_mipscale;
d_drawspans = D_DrawSpans8;
d_skyoffs = r_skytime * r_skyspeed;
}
void
D_UpdateRects (vrect_t *prect)
{
// the software driver draws these directly to the vid buffer
}