RetroArch/gfx/display_servers/dispserv_x11.c
2018-05-25 10:58:43 +01:00

281 lines
7.2 KiB
C

/* RetroArch - A frontend for libretro.
* Copyright (C) 2010-2014 - Hans-Kristian Arntzen
* Copyright (C) 2011-2017 - Daniel De Matteis
* Copyright (C) 2016-2017 - Brad Parker
*
* RetroArch 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 Found-
* ation, either version 3 of the License, or (at your option) any later version.
*
* RetroArch 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 RetroArch.
* If not, see <http://www.gnu.org/licenses/>.
*/
#include "../video_display_server.h"
#include "../common/x11_common.h"
#include "../../configuration.h"
#include "../video_driver.h" /* needed to set refresh rate in set resolution */
#include "../video_crt_switch.h" /* needed to set aspect for low res in linux */
#include <sys/types.h>
#include <unistd.h>
static char old_mode[150];
static char new_mode[150];
static bool crt_en = false;
typedef struct
{
unsigned opacity;
bool decorations;
} dispserv_x11_t;
static void* x11_display_server_init(void)
{
dispserv_x11_t *dispserv = (dispserv_x11_t*)calloc(1, sizeof(*dispserv));
if (!dispserv)
return NULL;
return dispserv;
}
static void x11_display_server_destroy(void *data)
{
dispserv_x11_t *dispserv = (dispserv_x11_t*)data;
if (crt_en == true)
system("xrandr -s 704x480");
if (dispserv)
free(dispserv);
}
static bool x11_set_window_opacity(void *data, unsigned opacity)
{
dispserv_x11_t *serv = (dispserv_x11_t*)data;
Atom net_wm_opacity = XInternAtom(g_x11_dpy, "_NET_WM_WINDOW_OPACITY", False);
Atom cardinal = XInternAtom(g_x11_dpy, "CARDINAL", False);
serv->opacity = opacity;
opacity = opacity * ((unsigned)-1 / 100.0);
if (opacity == (unsigned)-1)
XDeleteProperty(g_x11_dpy, g_x11_win, net_wm_opacity);
else
XChangeProperty(g_x11_dpy, g_x11_win, net_wm_opacity, cardinal, 32, PropModeReplace, (const unsigned char*)&opacity, 1);
return true;
}
static bool x11_set_window_decorations(void *data, bool on)
{
dispserv_x11_t *serv = (dispserv_x11_t*)data;
serv->decorations = on;
/* menu_setting performs a reinit instead to properly apply decoration changes */
return true;
}
static bool x11_set_resolution(void *data,
unsigned width, unsigned height, int int_hz, float hz)
{
int i = 0;
int hfp = 0;
int hsp = 0;
int hbp = 0;
int vfp = 0;
int vsp = 0;
int vbp = 0;
int hmax = 0;
int vmax = 0;
float pixel_clock = 0;
char xrandr[250];
char fbset[150];
char output[150];
crt_en = true;
hsp = width*1.16;
/* set core refresh from hz */
video_monitor_set_refresh_rate(hz);
/* following code is the mode line genorator */
if (width < 300)
{
width = width*2;
crt_aspect_ratio_switch(width, height);
}
hfp = width+8;
hbp = width*1.32;
hmax = hbp;
if (height < 241)
{
vmax = 261;
}
if (height < 241 && hz > 56 && hz < 58)
{
vmax = 280;
}
if (height < 241 && hz < 55)
{
vmax = 313;
}
if (height > 250 && height < 260 && hz > 54)
{
vmax = 296;
}
if (height > 250 && height < 260 && hz > 52 && hz < 54)
{
vmax = 285;
}
if (height > 240 && height < 260 && hz < 52)
{
vmax = 265;
}
if (height > 250 && height < 260 && hz < 52)
{
vmax = 313;
}
if (height > 260 && height < 300)
{
vmax = 313;
}
if (height > 400 && hz > 56)
{
vmax = 523;
}
if (height > 520 && hz < 57)
{
vmax = 580;
}
if (height > 300 && hz < 56)
{
vmax = 627;
}
if (hz < 53)
{
vfp = height+((vmax-height)*0.38);
}
if (hz > 56)
{
vfp = height+((vmax-height)*0.15);
}
if (hz > 53 && hz < 56)
{
vfp = height+((vmax-height)*0.35);
}
if ( vfp < 1 )
{
vfp = height+2;
}
if (height < 300)
{
vsp = vfp+3; /* needs to me 3 for progressive */
} if (height > 300)
{
vsp = vfp+6; /* needs to me 6 for interlaced */
}
vbp = vmax;
if (height < 300)
{
pixel_clock = (hmax*vmax*hz)/1000000;
}
if (height > 300)
{
pixel_clock = ((hmax*vmax*hz)/1000000)/2;
}
/* above code is the modeline genorator */
/* create progressive newmode from modline variables */
if (height < 300)
{
sprintf(xrandr,"xrandr --newmode \"%dx%d_%0.2f\" %lf %d %d %d %d %d %d %d %d -hsync -vsync", width, height, hz, pixel_clock, width, hfp, hsp, hbp, height, vfp, vsp, vbp);
system(xrandr);
}
/* create interlaced newmode from modline variables */
if (height > 300)
{
sprintf(xrandr,"xrandr --newmode \"%dx%d_%0.2f\" %lf %d %d %d %d %d %d %d %d interlace -hsync -vsync", width, height, hz, pixel_clock, width, hfp, hsp, hbp, height, vfp, vsp, vbp);
system(xrandr);
}
/* variable for new mode */
sprintf(new_mode,"%dx%d_%0.2f", width, height, hz);
/* need to run loops for DVI0 - DVI-2 and VGA0 - VGA-2 outputs to add and delete modes */
for (i =0; i < 3; i++)
{
sprintf(output,"xrandr --addmode %s%d %s", "DVI",i ,new_mode);
system(output);
sprintf(output,"xrandr --delmode %s%d %s", "DVI",i ,old_mode);
system(output);
}
for (i =0; i < 3; i++)
{
sprintf(output,"xrandr --addmode %s-%d %s", "DVI",i ,new_mode);
system(output);
sprintf(output,"xrandr --delmode %s-%d %s", "DVI",i ,old_mode);
system(output);
}
for (i =0; i < 3; i++)
{
sprintf(output,"xrandr --addmode %s%d %s", "VGA",i ,new_mode);
system(output);
sprintf(output,"xrandr --delmode %s%d %s", "VGA",i ,old_mode);
system(output);
}
for (i =0; i < 3; i++)
{
sprintf(output,"xrandr --addmode %s-%d %s", "VGA",i ,new_mode);
system(output);
sprintf(output,"xrandr --delmode %s-%d %s", "VGA",i ,old_mode);
system(output);
}
sprintf(output,"xrandr -s %s", new_mode);
system(output);
/* remove old mode */
sprintf(output,"xrandr --rmmode %s", old_mode);
system(output);
system("xdotool windowactivate $(xdotool search --class RetroArch)"); /* needs xdotool installed. needed to recaputure window. */
/* variable for old mode */
sprintf(old_mode,"%s", new_mode);
system("xdotool windowactivate $(xdotool search --class RetroArch)"); /* needs xdotool installed. needed to recaputure window. */
/* Second run needed as some times it runs to fast to capture first time */
return true;
}
const video_display_server_t dispserv_x11 = {
x11_display_server_init,
x11_display_server_destroy,
x11_set_window_opacity,
NULL,
x11_set_window_decorations,
x11_set_resolution, /* set_resolution */
"x11"
};