detect available resolutions and offer them in the menu

Store the resolutions detected by SDL in a cvar. The mod code can
then optionally use the cvar to offer a better choice in the menu.

Signed-off-by: Ludwig Nussel <ludwig.nussel@suse.de>
This commit is contained in:
Ludwig Nussel 2007-12-08 10:08:05 +00:00
parent f2cbb819fc
commit 6b5fbd189d
2 changed files with 172 additions and 19 deletions

View File

@ -24,6 +24,66 @@ Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
void GraphicsOptions_MenuInit( void );
static const char *builtin_resolutions[] =
{
"320x240",
"400x300",
"512x384",
"640x480",
"800x600",
"960x720",
"1024x768",
"1152x864",
"1280x1024",
"1600x1200",
"2048x1536",
"856x480 wide screen",
NULL
};
static char resbuf[MAX_STRING_CHARS];
static const char* detected_resolutions[32];
static const char** reslist = builtin_resolutions;
static int use_builtin_resolutions = qtrue;
static int det2builtinres(int mode)
{
int i;
if(use_builtin_resolutions)
return mode;
if(mode < 0)
return -1;
for(i = 0; builtin_resolutions[i]; ++i)
{
if(!strcmp(builtin_resolutions[i], detected_resolutions[mode]))
return i;
}
return -1;
}
static int builtin2detres(int mode)
{
int i;
if(use_builtin_resolutions)
return mode;
if(mode < 0)
return -1;
for(i = 0; detected_resolutions[i]; ++i)
{
if(!strcmp(builtin_resolutions[mode], detected_resolutions[i]))
return i;
}
return -1;
}
/*
=======================================================================
@ -480,7 +540,28 @@ static void GraphicsOptions_ApplyChanges( void *unused, int notification )
}
trap_Cvar_SetValue( "r_picmip", 3 - s_graphicsoptions.tq.curvalue );
trap_Cvar_SetValue( "r_allowExtensions", s_graphicsoptions.allow_extensions.curvalue );
trap_Cvar_SetValue( "r_mode", s_graphicsoptions.mode.curvalue );
if(!use_builtin_resolutions)
{
// search for builtin mode that matches the detected mode
int i;
int mode = s_graphicsoptions.mode.curvalue;
i = det2builtinres(mode);
if(i == -1)
{
char w[16], h[16];
Q_strncpyz(w, detected_resolutions[mode], sizeof(w));
*strchr(w, 'x') = 0;
Q_strncpyz(h, strchr(detected_resolutions[mode], 'x')+1, sizeof(h));
trap_Cvar_Set( "r_customwidth", w);
trap_Cvar_Set( "r_customheight", h);
}
trap_Cvar_SetValue( "r_mode", i );
}
else
trap_Cvar_SetValue( "r_mode", s_graphicsoptions.mode.curvalue );
trap_Cvar_SetValue( "r_fullscreen", s_graphicsoptions.fs.curvalue );
trap_Cvar_SetValue( "r_colorbits", 0 );
trap_Cvar_SetValue( "r_depthbits", 0 );
@ -615,9 +696,33 @@ GraphicsOptions_SetMenuItems
static void GraphicsOptions_SetMenuItems( void )
{
s_graphicsoptions.mode.curvalue = trap_Cvar_VariableValue( "r_mode" );
s_graphicsoptions.mode.curvalue = builtin2detres(s_graphicsoptions.mode.curvalue);
if ( s_graphicsoptions.mode.curvalue < 0 )
{
s_graphicsoptions.mode.curvalue = 3;
if(use_builtin_resolutions)
{
s_graphicsoptions.mode.curvalue = 3;
}
else
{
int i;
char buf[MAX_STRING_CHARS];
trap_Cvar_VariableStringBuffer("r_customwidth", buf, sizeof(buf)-2);
buf[strlen(buf)+1] = 0;
buf[strlen(buf)] = 'x';
trap_Cvar_VariableStringBuffer("r_customheight", buf+strlen(buf), sizeof(buf)-strlen(buf));
for(i = 0; detected_resolutions[i]; ++i)
{
if(!strcmp(buf, detected_resolutions[i]))
{
s_graphicsoptions.mode.curvalue = i;
break;
}
}
if ( s_graphicsoptions.mode.curvalue < 0 )
s_graphicsoptions.mode.curvalue = 0;
}
}
s_graphicsoptions.fs.curvalue = trap_Cvar_VariableValue("r_fullscreen");
s_graphicsoptions.allow_extensions.curvalue = trap_Cvar_VariableValue("r_allowExtensions");
@ -743,22 +848,6 @@ void GraphicsOptions_MenuInit( void )
NULL
};
static const char *resolutions[] =
{
"320x240",
"400x300",
"512x384",
"640x480",
"800x600",
"960x720",
"1024x768",
"1152x864",
"1280x1024",
"1600x1200",
"2048x1536",
"856x480 wide screen",
NULL
};
static const char *filter_names[] =
{
"Bilinear",
@ -784,6 +873,26 @@ void GraphicsOptions_MenuInit( void )
// zero set all our globals
memset( &s_graphicsoptions, 0 ,sizeof(graphicsoptions_t) );
Q_strncpyz(resbuf, UI_Cvar_VariableString("r_availableModes"), sizeof(resbuf));
if(*resbuf)
{
char* s = resbuf;
unsigned i = 0;
while( s && i < sizeof(detected_resolutions)/sizeof(detected_resolutions[0])-1)
{
detected_resolutions[i++] = s;
s = strchr(s, ' ');
if(s) *s++ = '\0';
}
detected_resolutions[i] = NULL;
if(i)
{
reslist = detected_resolutions;
use_builtin_resolutions = 0;
}
}
GraphicsOptions_Cache();
s_graphicsoptions.menu.wrapAround = qtrue;
@ -888,7 +997,7 @@ void GraphicsOptions_MenuInit( void )
s_graphicsoptions.mode.generic.flags = QMF_PULSEIFFOCUS|QMF_SMALLFONT;
s_graphicsoptions.mode.generic.x = 400;
s_graphicsoptions.mode.generic.y = y;
s_graphicsoptions.mode.itemnames = resolutions;
s_graphicsoptions.mode.itemnames = reslist;
s_graphicsoptions.mode.generic.callback = GraphicsOptions_Event;
s_graphicsoptions.mode.generic.id = ID_MODE;
y += BIGCHAR_HEIGHT+2;

View File

@ -110,6 +110,46 @@ void GLimp_LogComment( char *comment )
{
}
static void set_available_modes(void)
{
char buf[MAX_STRING_CHARS];
SDL_Rect **modes;
size_t len = 0;
int i;
modes = SDL_ListModes(NULL, SDL_OPENGL | SDL_FULLSCREEN);
if (!modes)
{
ri.Printf( PRINT_WARNING, "Can't get list of available modes\n");
return;
}
if (modes == (SDL_Rect **)-1)
{
ri.Printf( PRINT_ALL, "Display supports any resolution\n");
return; // can set any resolution
}
for (i = 0; modes[i]; ++i)
{
if(snprintf(NULL, 0, "%ux%u ", modes[i]->w, modes[i]->h) < (int)sizeof(buf)-len)
{
len += sprintf(buf+len, "%ux%u ", modes[i]->w, modes[i]->h);
}
else
{
ri.Printf( PRINT_WARNING, "Skipping mode %ux%x, buffer too small\n", modes[i]->w, modes[i]->h);
}
}
if(len)
{
buf[strlen(buf)-1] = 0;
ri.Printf( PRINT_ALL, "Available modes: '%s'\n", buf);
ri.Cvar_Set( "r_availableModes", buf );
}
}
/*
===============
GLimp_SetMode
@ -275,6 +315,8 @@ static int GLimp_SetMode( int mode, qboolean fullscreen )
break;
}
set_available_modes();
if (!vidscreen)
{
ri.Printf( PRINT_ALL, "Couldn't get a visual\n" );
@ -526,6 +568,8 @@ void GLimp_Init( void )
// initialize extensions
GLimp_InitExtensions( );
ri.Cvar_Get( "r_availableModes", "", CVAR_ROM );
// This depends on SDL_INIT_VIDEO, hence having it here
IN_Init( );