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raze-gles/polymer/eduke32/build/src/sdlayer.c
terminx faa8133cda Support "r_windowpositioning" in SDL builds. 
git-svn-id: https://svn.eduke32.com/eduke32@4327 1a8010ca-5511-0410-912e-c29ae57300e0
2014-02-11 17:55:45 +00:00

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// SDL interface layer
// for the Build Engine
// by Jonathon Fowler (jf@jonof.id.au)
//
// Use SDL 1.2 or 2.0 from http://www.libsdl.org
#define __STDC_FORMAT_MACROS
#define __STDC_LIMIT_MACROS
#include <stdlib.h>
#include <math.h> // pow
#include <signal.h>
#include "sdl_inc.h"
#include "compat.h"
#include "sdlayer.h"
#include "cache1d.h"
//#include "pragmas.h"
#include "a.h"
#include "build.h"
#include "osd.h"
#if (SDL_MAJOR_VERSION == 1 && SDL_MINOR_VERSION < 3) // SDL 1.2
// for SDL_WaitEventTimeout defined below
#include <SDL/SDL_events.h>
#endif
#ifdef USE_OPENGL
# include "glbuild.h"
#endif
#if defined _WIN32
# define WIN32_LEAN_AND_MEAN
# include <windows.h>
# include "winbits.h"
#elif defined __APPLE__
# include "osxbits.h"
# include <mach/mach.h>
# include <mach/mach_time.h>
#elif defined HAVE_GTK2
# include "gtkbits.h"
#elif defined GEKKO
# define HW_RVL
# include <ogc/lwp.h>
# include <ogc/lwp_watchdog.h>
#endif
#if !defined _WIN32 && !defined HAVE_GTK2 && !defined __APPLE__
int32_t startwin_open(void) { return 0; }
int32_t startwin_close(void) { return 0; }
int32_t startwin_puts(const char *s) { UNREFERENCED_PARAMETER(s); return 0; }
int32_t startwin_idle(void *s) { UNREFERENCED_PARAMETER(s); return 0; }
int32_t startwin_settitle(const char *s) { UNREFERENCED_PARAMETER(s); return 0; }
#endif
/// These can be useful for debugging sometimes...
//#define SDL_WM_GrabInput(x) SDL_WM_GrabInput(SDL_GRAB_OFF)
//#define SDL_ShowCursor(x) SDL_ShowCursor(SDL_ENABLE)
#define SURFACE_FLAGS (SDL_SWSURFACE|SDL_HWPALETTE|SDL_HWACCEL)
// undefine to restrict windowed resolutions to conventional sizes
#define ANY_WINDOWED_SIZE
// fix for mousewheel
int32_t inputchecked = 0;
extern int32_t app_main(int32_t argc, const char **argv);
char quitevent=0, appactive=1, novideo=0;
// video
static SDL_Surface *sdl_surface/*=NULL*/;
static SDL_Surface *sdl_buffersurface=NULL;
#if SDL_MAJOR_VERSION==2
static SDL_Palette *sdl_palptr=NULL;
static SDL_Window *sdl_window=NULL;
static SDL_GLContext sdl_context=NULL;
static SDL_Texture *sdl_texture=NULL;
static SDL_Renderer *sdl_renderer=NULL;
#endif
int32_t xres=-1, yres=-1, bpp=0, fullscreen=0, bytesperline;
intptr_t frameplace=0;
int32_t lockcount=0;
char modechange=1;
char offscreenrendering=0;
char videomodereset = 0;
char nofog=0;
static uint16_t sysgamma[3][256];
extern int32_t curbrightness, gammabrightness;
#ifdef USE_OPENGL
// OpenGL stuff
char nogl=0;
static int32_t vsync_render=0;
#endif
// last gamma, contrast, brightness
static float lastvidgcb[3];
//#define KEY_PRINT_DEBUG
#include "sdlkeytrans.c"
//static SDL_Surface * loadtarga(const char *fn); // for loading the icon
static SDL_Surface *appicon = NULL;
static SDL_Surface *loadappicon(void);
static mutex_t m_initprintf;
// Joystick dead and saturation zones
uint16_t *joydead, *joysatur;
#ifdef _WIN32
//
// win_gethwnd() -- gets the window handle
//
HWND win_gethwnd(void)
{
struct SDL_SysWMinfo wmInfo;
SDL_VERSION(&wmInfo.version);
#if SDL_MAJOR_VERSION==1
if (SDL_GetWMInfo(&wmInfo) != 1)
#else
if (SDL_GetWindowWMInfo(sdl_window, &wmInfo) != SDL_TRUE)
#endif
{
// initprintf("win_gethwnd: SDL_GetWindowWMInfo() failed: %s\n", SDL_GetError());
return 0;
}
#if SDL_MAJOR_VERSION==1
return wmInfo.window;
#else
if (wmInfo.subsystem == SDL_SYSWM_WINDOWS)
return wmInfo.info.win.window;
#endif
initprintf("win_gethwnd: Unknown WM subsystem?!\n");
return 0;
}
//
// win_gethinstance() -- gets the application instance
//
HINSTANCE win_gethinstance(void)
{
return (HINSTANCE)GetModuleHandle(NULL);
}
#endif
int32_t wm_msgbox(char *name, char *fmt, ...)
{
char buf[2048];
va_list va;
UNREFERENCED_PARAMETER(name);
va_start(va,fmt);
vsnprintf(buf,sizeof(buf),fmt,va);
va_end(va);
#if defined(__APPLE__)
return osx_msgbox(name, buf);
#elif defined HAVE_GTK2
if (gtkbuild_msgbox(name, buf) >= 0) return 1;
#elif defined _WIN32
MessageBox(win_gethwnd(),buf,name,MB_OK|MB_TASKMODAL);
return 0;
#elif SDL_MAJOR_VERSION==2
# if !defined _WIN32
// Replace all tab chars with spaces because the hand-rolled SDL message
// box diplays the former as N/L instead of whitespace.
{
int32_t i;
for (i=0; i<(int32_t)sizeof(buf); i++)
if (buf[i] == '\t')
buf[i] = ' ';
}
# endif
return SDL_ShowSimpleMessageBox(SDL_MESSAGEBOX_INFORMATION, name, buf, NULL);
#endif
puts(buf);
puts(" (press Return or Enter to continue)");
getchar();
return 0;
}
int32_t wm_ynbox(char *name, char *fmt, ...)
{
char buf[2048];
char c;
va_list va;
#if (!defined(__APPLE__) && defined(HAVE_GTK2)) || defined _WIN32
int32_t r;
#endif
UNREFERENCED_PARAMETER(name);
va_start(va,fmt);
vsprintf(buf,fmt,va);
va_end(va);
#if defined __APPLE__
return osx_ynbox(name, buf);
#elif defined HAVE_GTK2
if ((r = gtkbuild_ynbox(name, buf)) >= 0) return r;
#elif defined _WIN32
r = MessageBox(win_gethwnd(),buf,name,MB_YESNO|MB_ICONQUESTION|MB_TASKMODAL);
if (r==IDYES) return 1;
return 0;
#endif
puts(buf);
puts(" (type 'Y' or 'N', and press Return or Enter to continue)");
do c = getchar(); while (c != 'Y' && c != 'y' && c != 'N' && c != 'n');
if (c == 'Y' || c == 'y') return 1;
return 0;
}
void wm_setapptitle(char *name)
{
if (name)
Bstrncpyz(apptitle, name, sizeof(apptitle));
#if SDL_MAJOR_VERSION == 1
SDL_WM_SetCaption(apptitle, NULL);
#else
SDL_SetWindowTitle(sdl_window, apptitle);
#endif
startwin_settitle(apptitle);
}
//
//
// ---------------------------------------
//
// System
//
// ---------------------------------------
//
//
int32_t main(int32_t argc, char *argv[])
{
int32_t r;
#ifdef USE_OPENGL
char *argp;
#endif
buildkeytranslationtable();
#ifdef _WIN32
if (!CheckWinVersion())
{
MessageBox(0, "This application requires Windows XP or better to run.",
apptitle, MB_OK|MB_ICONSTOP);
return -1;
}
win_open();
#endif
#ifdef HAVE_GTK2
gtkbuild_init(&argc, &argv);
#endif
startwin_open();
maybe_redirect_outputs();
#ifdef USE_OPENGL
if ((argp = Bgetenv("BUILD_NOFOG")) != NULL)
nofog = Batol(argp);
#endif
baselayer_init();
r = app_main(argc, (const char **)argv);
startwin_close();
#ifdef HAVE_GTK2
gtkbuild_exit(r);
#endif
#ifdef _WIN32
win_close();
#endif
return r;
}
#ifdef USE_OPENGL
void setvsync(int32_t sync)
{
if (vsync_render == sync) return;
vsync_render = sync;
# if (SDL_MAJOR_VERSION == 1 && SDL_MINOR_VERSION < 3)
resetvideomode();
if (setgamemode(fullscreen,xdim,ydim,bpp))
OSD_Printf("restartvid: Reset failed...\n");
# else
if (sdl_context)
SDL_GL_SetSwapInterval(vsync_render);
# endif
}
#endif
static void attach_debugger_here(void) {}
/* XXX: libexecinfo could be used on systems without gnu libc. */
#if !defined _WIN32 && defined __GNUC__ && !defined __OpenBSD__ && !(defined __APPLE__ && defined __BIG_ENDIAN__) && !defined(GEKKO) && !defined(__ANDROID__) && !defined __OPENDINGUX__
# define PRINTSTACKONSEGV 1
# include <execinfo.h>
#endif
static inline char grabmouse_low(char a);
static void sighandler(int signum)
{
UNREFERENCED_PARAMETER(signum);
// if (signum==SIGSEGV)
{
grabmouse_low(0);
#if PRINTSTACKONSEGV
{
void *addr[32];
int32_t errfd = fileno(stderr);
int32_t n=backtrace(addr, sizeof(addr)/sizeof(addr[0]));
backtrace_symbols_fd(addr, n, errfd);
}
// This is useful for attaching the debugger post-mortem. For those pesky
// cases where the program runs through happily when inspected from the start.
// usleep(15000000);
#endif
attach_debugger_here();
app_crashhandler();
uninitsystem();
exit(8);
}
}
//
// initsystem() -- init SDL systems
//
int32_t initsystem(void)
{
/*
#ifdef DEBUGGINGAIDS
const SDL_VideoInfo *vid;
#endif
*/
SDL_version compiled;
#if SDL_MAJOR_VERSION < 2
const SDL_version *linked = SDL_Linked_Version();
#else
SDL_version linked_;
const SDL_version *linked = &linked_;
SDL_GetVersion(&linked_);
#endif
SDL_VERSION(&compiled);
mutex_init(&m_initprintf);
#ifdef _WIN32
win_init();
#endif
initprintf("Initializing SDL system interface "
"(compiled against SDL version %d.%d.%d, found version %d.%d.%d)\n",
compiled.major, compiled.minor, compiled.patch,
linked->major, linked->minor, linked->patch);
if (SDL_VERSIONNUM(linked->major,linked->minor,linked->patch) < SDL_REQUIREDVERSION)
{
/*reject running under SDL versions older than what is stated in sdl_inc.h */
initprintf("You need at least v%d.%d.%d of SDL to run this game\n",SDL_MIN_X,SDL_MIN_Y,SDL_MIN_Z);
return -1;
}
if (SDL_Init(SDL_INIT_VIDEO //| SDL_INIT_TIMER
#ifdef NOSDLPARACHUTE
| SDL_INIT_NOPARACHUTE
#endif
))
{
initprintf("Initialization failed! (%s)\nNon-interactive mode enabled\n", SDL_GetError());
/* if (SDL_Init(0))
{
initprintf("Initialization failed! (%s)\n", SDL_GetError());
return -1;
}
else
*/
novideo = 1;
#ifdef USE_OPENGL
nogl = 1;
#endif
}
signal(SIGSEGV, sighandler);
signal(SIGILL, sighandler); /* clang -fcatch-undefined-behavior uses an ill. insn */
signal(SIGABRT, sighandler);
signal(SIGFPE, sighandler);
atexit(uninitsystem);
frameplace = 0;
lockcount = 0;
#ifdef USE_OPENGL
if (!novideo && loadgldriver(getenv("BUILD_GLDRV")))
{
initprintf("Failed loading OpenGL driver. GL modes will be unavailable.\n");
nogl = 1;
}
#endif
#if !defined(__APPLE__) && !defined(__ANDROID__)
//icon = loadtarga("icon.tga");
if (!novideo)
{
appicon = loadappicon();
if (appicon)
{
#if SDL_MAJOR_VERSION==1
SDL_WM_SetIcon(appicon, 0);
#else
SDL_SetWindowIcon(sdl_window, appicon);
#endif
}
}
#endif
if (!novideo)
{
#if SDL_MAJOR_VERSION==1
char drvname[32];
if (SDL_VideoDriverName(drvname, 32))
initprintf("Using \"%s\" video driver\n", drvname);
#else
const char *drvname = SDL_GetVideoDriver(0);
if (drvname)
initprintf("Using \"%s\" video driver\n", drvname);
#endif
}
/*
// dump a quick summary of the graphics hardware
#ifdef DEBUGGINGAIDS
vid = SDL_GetVideoInfo();
initprintf("Video device information:\n");
initprintf(" Can create hardware surfaces? %s\n", (vid->hw_available)?"Yes":"No");
initprintf(" Window manager available? %s\n", (vid->wm_available)?"Yes":"No");
initprintf(" Accelerated hardware blits? %s\n", (vid->blit_hw)?"Yes":"No");
initprintf(" Accelerated hardware colourkey blits? %s\n", (vid->blit_hw_CC)?"Yes":"No");
initprintf(" Accelerated hardware alpha blits? %s\n", (vid->blit_hw_A)?"Yes":"No");
initprintf(" Accelerated software blits? %s\n", (vid->blit_sw)?"Yes":"No");
initprintf(" Accelerated software colourkey blits? %s\n", (vid->blit_sw_CC)?"Yes":"No");
initprintf(" Accelerated software alpha blits? %s\n", (vid->blit_sw_A)?"Yes":"No");
initprintf(" Accelerated colour fills? %s\n", (vid->blit_fill)?"Yes":"No");
initprintf(" Total video memory: %dKB\n", vid->video_mem);
#endif
*/
return 0;
}
//
// uninitsystem() -- uninit SDL systems
//
void uninitsystem(void)
{
uninitinput();
uninittimer();
if (appicon)
{
SDL_FreeSurface(appicon);
appicon = NULL;
}
SDL_Quit();
#ifdef _WIN32
win_uninit();
#endif
#ifdef USE_OPENGL
unloadgldriver();
#endif
}
//
// system_getcvars() -- propagate any cvars that are read post-initialization
//
void system_getcvars(void)
{
#ifdef USE_OPENGL
setvsync(vsync);
#endif
}
//
// initprintf() -- prints a string to the intitialization window
//
void initprintf(const char *f, ...)
{
va_list va;
char buf[2048];
static char dabuf[2048];
va_start(va, f);
Bvsnprintf(buf, sizeof(buf), f, va);
va_end(va);
OSD_Printf("%s", buf);
// Bprintf("%s", buf);
mutex_lock(&m_initprintf);
if (Bstrlen(dabuf) + Bstrlen(buf) > 1022)
{
startwin_puts(dabuf);
Bmemset(dabuf, 0, sizeof(dabuf));
}
Bstrcat(dabuf,buf);
if (flushlogwindow || Bstrlen(dabuf) > 768)
{
startwin_puts(dabuf);
#ifndef _WIN32
startwin_idle(NULL);
#else
handleevents();
#endif
Bmemset(dabuf, 0, sizeof(dabuf));
}
mutex_unlock(&m_initprintf);
}
//
// debugprintf() -- prints a debug string to stderr
//
void debugprintf(const char *f, ...)
{
#if defined DEBUGGINGAIDS && !(defined __APPLE__ && defined __BIG_ENDIAN__)
va_list va;
va_start(va,f);
Bvfprintf(stderr, f, va);
va_end(va);
#else
UNREFERENCED_PARAMETER(f);
#endif
}
//
//
// ---------------------------------------
//
// All things Input
//
// ---------------------------------------
//
//
// static int32_t joyblast=0;
static SDL_Joystick *joydev = NULL;
//
// initinput() -- init input system
//
int32_t initinput(void)
{
int32_t i,j;
#ifdef __APPLE__
// force OS X to operate in >1 button mouse mode so that LMB isn't adulterated
if (!getenv("SDL_HAS3BUTTONMOUSE")) putenv("SDL_HAS3BUTTONMOUSE=1");
#endif
if (!remapinit)
for (i=0; i<256; i++)
remap[i]=i;
remapinit=1;
#if SDL_MAJOR_VERSION==1
if (SDL_EnableKeyRepeat(250, 30)) // doesn't do anything in 1.3
initprintf("Error enabling keyboard repeat.\n");
SDL_EnableUNICODE(1); // let's hope this doesn't hit us too hard
#endif
inputdevices = 1|2; // keyboard (1) and mouse (2)
mousegrab = 0;
memset(key_names,0,sizeof(key_names));
#if (SDL_MAJOR_VERSION == 1 && SDL_MINOR_VERSION < 3)
for (i=0; i<SDLK_LAST; i++)
{
if (!keytranslation[i]) continue;
Bstrncpyz(key_names[ keytranslation[i] ], SDL_GetKeyName((SDLKey)i), sizeof(key_names[i]));
}
#else
for (i=0; i<SDL_NUM_SCANCODES; i++)
{
if (!keytranslation[i]) continue;
Bstrncpyz(key_names[ keytranslation[i] ], SDL_GetKeyName(SDL_SCANCODE_TO_KEYCODE(i)), sizeof(key_names[i]));
}
#endif
if (!SDL_InitSubSystem(SDL_INIT_JOYSTICK))
{
i = SDL_NumJoysticks();
initprintf("%d joystick(s) found\n",i);
for (j=0; j<i; j++)
initprintf(" %d. %s\n", j+1,
#if SDL_MAJOR_VERSION==1
SDL_JoystickName(j)
#else
SDL_JoystickNameForIndex(j)
#endif
);
joydev = SDL_JoystickOpen(0);
if (joydev)
{
SDL_JoystickEventState(SDL_ENABLE);
inputdevices |= 4;
joynumaxes = SDL_JoystickNumAxes(joydev);
joynumbuttons = min(32,SDL_JoystickNumButtons(joydev));
joynumhats = SDL_JoystickNumHats(joydev);
initprintf("Joystick 1 has %d axes, %d buttons, and %d hat(s).\n",
joynumaxes,joynumbuttons,joynumhats);
joyaxis = (int32_t *)Bcalloc(joynumaxes, sizeof(int32_t));
if (joynumhats)
joyhat = (int32_t *)Bcalloc(joynumhats, sizeof(int32_t));
for (i = 0; i < joynumhats; i++)
joyhat[i] = -1; // centre
joydead = (uint16_t *)Bcalloc(joynumaxes, sizeof(uint16_t));
joysatur = (uint16_t *)Bcalloc(joynumaxes, sizeof(uint16_t));
}
}
return 0;
}
//
// uninitinput() -- uninit input system
//
void uninitinput(void)
{
uninitmouse();
if (joydev)
{
SDL_JoystickClose(joydev);
joydev = NULL;
}
}
#ifndef GEKKO
const char *getjoyname(int32_t what, int32_t num)
{
static char tmp[64];
switch (what)
{
case 0: // axis
if ((unsigned)num > (unsigned)joynumaxes) return NULL;
Bsprintf(tmp,"Axis %d",num);
return (char *)tmp;
case 1: // button
if ((unsigned)num > (unsigned)joynumbuttons) return NULL;
Bsprintf(tmp,"Button %d",num);
return (char *)tmp;
case 2: // hat
if ((unsigned)num > (unsigned)joynumhats) return NULL;
Bsprintf(tmp,"Hat %d",num);
return (char *)tmp;
default:
return NULL;
}
}
#else
static const char *joynames[3][15] =
{
{
"Left Stick X",
"Left Stick Y",
"Right Stick X",
"Right Stick Y",
"Axis 5",
"Axis 6",
"Axis 7",
"Axis 8",
"Axis 9",
"Axis 10",
"Axis 11",
"Axis 12",
"Axis 13",
"Axis 14",
"Axis 15",
},
{
"Button A",
"Button B",
"Button 1",
"Button 2",
"Button -",
"Button +",
"Button HOME",
"Button Z",
"Button C",
"Button X",
"Button Y",
"Trigger L",
"Trigger R",
"Trigger ZL",
"Trigger ZR",
},
{
"D-Pad Up",
"D-Pad Right",
"D-Pad Down",
"D-Pad Left",
"Hat 5",
"Hat 6",
"Hat 7",
"Hat 8",
"Hat 9",
"Hat 10",
"Hat 11",
"Hat 12",
"Hat 13",
"Hat 14",
"Hat 15",
}
};
const char *getjoyname(int32_t what, int32_t num)
{
switch (what)
{
case 0: // axis
if ((unsigned)num > (unsigned)joynumaxes) return NULL;
return joynames[0][num];
case 1: // button
if ((unsigned)num > (unsigned)joynumbuttons) return NULL;
return joynames[1][num];
case 2: // hat
if ((unsigned)num > (unsigned)joynumhats) return NULL;
return joynames[2][num];
default:
return NULL;
}
}
#endif
//
// initmouse() -- init mouse input
//
int32_t initmouse(void)
{
moustat=1;
grabmouse(1); // FIXME - SA
return 0;
}
//
// uninitmouse() -- uninit mouse input
//
void uninitmouse(void)
{
grabmouse(0);
moustat=0;
}
//
// grabmouse_low() -- show/hide mouse cursor, lower level (doesn't check state).
// furthermore return 0 if successful.
//
static inline char grabmouse_low(char a)
{
#if SDL_MAJOR_VERSION==1
SDL_ShowCursor(a ? SDL_DISABLE : SDL_ENABLE);
return (SDL_WM_GrabInput(a ? SDL_GRAB_ON : SDL_GRAB_OFF) != (a ? SDL_GRAB_ON : SDL_GRAB_OFF));
#else
/* FIXME: Maybe it's better to make sure that grabmouse_low
is called only when a window is ready? */
if (sdl_window)
SDL_SetWindowGrab(sdl_window, a ? SDL_TRUE : SDL_FALSE);
return SDL_SetRelativeMouseMode(a ? SDL_TRUE : SDL_FALSE);
#endif
}
//
// grabmouse() -- show/hide mouse cursor
//
void grabmouse(char a)
{
if (appactive && moustat)
{
#if !defined __ANDROID__ && (!defined DEBUGGINGAIDS || defined _WIN32 || defined __APPLE__)
if ((a != mousegrab) && !grabmouse_low(a))
#endif
mousegrab = a;
}
else
{
mousegrab = a;
}
mousex = mousey = 0;
mouseabsx = mouseabsy = 0;
}
//
// setjoydeadzone() -- sets the dead and saturation zones for the joystick
//
void setjoydeadzone(int32_t axis, uint16_t dead, uint16_t satur)
{
joydead[axis] = dead;
joysatur[axis] = satur;
}
//
// getjoydeadzone() -- gets the dead and saturation zones for the joystick
//
void getjoydeadzone(int32_t axis, uint16_t *dead, uint16_t *satur)
{
*dead = joydead[axis];
*satur = joysatur[axis];
}
//
// releaseallbuttons()
//
void releaseallbuttons(void)
{}
//
//
// ---------------------------------------
//
// All things Timer
// Ken did this
//
// ---------------------------------------
//
//
static Uint32 timerfreq=0;
static Uint32 timerlastsample=0;
int32_t timerticspersec=0;
static double msperu64tick = 0;
static void(*usertimercallback)(void) = NULL;
//
// inittimer() -- initialize timer
//
int32_t inittimer(int32_t tickspersecond)
{
if (timerfreq) return 0; // already installed
// initprintf("Initializing timer\n");
#ifdef _WIN32
{
int32_t t = win_inittimer();
if (t < 0)
return t;
}
#endif
timerfreq = 1000;
timerticspersec = tickspersecond;
timerlastsample = SDL_GetTicks() * timerticspersec / timerfreq;
usertimercallback = NULL;
msperu64tick = 1000.0 / (double)getu64tickspersec();
return 0;
}
//
// uninittimer() -- shut down timer
//
void uninittimer(void)
{
if (!timerfreq) return;
timerfreq=0;
#ifdef _WIN32
win_timerfreq=0;
#endif
msperu64tick = 0;
}
//
// sampletimer() -- update totalclock
//
void sampletimer(void)
{
Uint32 i;
int32_t n;
if (!timerfreq) return;
i = SDL_GetTicks();
n = (int32_t)(i * timerticspersec / timerfreq) - timerlastsample;
if (n>0)
{
totalclock += n;
timerlastsample += n;
}
if (usertimercallback) for (; n>0; n--) usertimercallback();
}
//
// getticks() -- returns the sdl ticks count
//
uint32_t getticks(void)
{
return (uint32_t)SDL_GetTicks();
}
// high-resolution timers for profiling
uint64_t getu64ticks(void)
{
#if (SDL_MAJOR_VERSION == 1 && SDL_MINOR_VERSION < 3) // SDL 1.2
# if defined _WIN32
return win_getu64ticks();
# elif defined __APPLE__
return mach_absolute_time();
# elif _POSIX_TIMERS>0 && defined _POSIX_MONOTONIC_CLOCK
// This is SDL HG's SDL_GetPerformanceCounter() when clock_gettime() is
// available.
uint64_t ticks;
struct timespec now;
clock_gettime(CLOCK_MONOTONIC, &now);
ticks = now.tv_sec;
ticks *= 1000000000;
ticks += now.tv_nsec;
return ticks;
# elif defined GEKKO
return ticks_to_nanosecs(gettime());
# else
// Blar. This pragma is unsupported on earlier GCC versions.
// At least we'll get a warning and a reference to this line...
# pragma message "Using low-resolution (1ms) timer for getu64ticks. Profiling will work badly."
return SDL_GetTicks();
# endif
#else
return SDL_GetPerformanceCounter();
#endif
}
uint64_t getu64tickspersec(void)
{
#if (SDL_MAJOR_VERSION == 1 && SDL_MINOR_VERSION < 3) // SDL 1.2
# if defined _WIN32
return win_timerfreq;
# elif defined __APPLE__
static mach_timebase_info_data_t ti;
if (ti.denom == 0)
(void)mach_timebase_info(&ti); // ti.numer/ti.denom: nsec/(m_a_t() tick)
return (1000000000LL*ti.denom)/ti.numer;
# elif _POSIX_TIMERS>0 && defined _POSIX_MONOTONIC_CLOCK
return 1000000000;
# elif defined GEKKO
return TB_NSPERSEC;
# else
return 1000;
# endif
#else // SDL 1.3
return SDL_GetPerformanceFrequency();
#endif
}
// Returns the time since an unspecified starting time in milliseconds.
// (May be not monotonic for certain configurations.)
ATTRIBUTE((flatten))
double gethiticks(void)
{
return (double)getu64ticks() * msperu64tick;
}
//
// gettimerfreq() -- returns the number of ticks per second the timer is configured to generate
//
int32_t gettimerfreq(void)
{
return timerticspersec;
}
//
// installusertimercallback() -- set up a callback function to be called when the timer is fired
//
void(*installusertimercallback(void(*callback)(void)))(void)
{
void(*oldtimercallback)(void);
oldtimercallback = usertimercallback;
usertimercallback = callback;
return oldtimercallback;
}
//
//
// ---------------------------------------
//
// All things Video
//
// ---------------------------------------
//
//
//
// getvalidmodes() -- figure out what video modes are available
//
static int sortmodes(const void *a_, const void *b_)
{
int32_t x;
const struct validmode_t *a = (const struct validmode_t *)a_;
const struct validmode_t *b = (const struct validmode_t *)b_;
if ((x = a->fs - b->fs) != 0) return x;
if ((x = a->bpp - b->bpp) != 0) return x;
if ((x = a->xdim - b->xdim) != 0) return x;
if ((x = a->ydim - b->ydim) != 0) return x;
return 0;
}
static char modeschecked=0;
void getvalidmodes(void)
{
int32_t i, maxx=0, maxy=0;
#if SDL_MAJOR_VERSION==1
int32_t j;
static int32_t cdepths[] =
{
8,
#ifdef USE_OPENGL
16,24,32,
#endif
0
};
SDL_Rect **modes;
SDL_PixelFormat pf;
pf.palette = NULL;
pf.BitsPerPixel = 8;
pf.BytesPerPixel = 1;
#else
SDL_DisplayMode dispmode;
#endif
if (modeschecked || novideo) return;
validmodecnt=0;
// initprintf("Detecting video modes:\n");
#define ADDMODE(x,y,c,f) do { \
if (validmodecnt<MAXVALIDMODES) { \
int32_t mn; \
for(mn=0;mn<validmodecnt;mn++) \
if (validmode[mn].xdim==x && validmode[mn].ydim==y && \
validmode[mn].bpp==c && validmode[mn].fs==f) break; \
if (mn==validmodecnt) { \
validmode[validmodecnt].xdim=x; \
validmode[validmodecnt].ydim=y; \
validmode[validmodecnt].bpp=c; \
validmode[validmodecnt].fs=f; \
validmodecnt++; \
/*initprintf(" - %dx%d %d-bit %s\n", x, y, c, (f&1)?"fullscreen":"windowed");*/ \
} \
} \
} while (0)
#define CHECK(w,h) if ((w < maxx) && (h < maxy))
// do fullscreen modes first
#if SDL_MAJOR_VERSION==1
for (j=0; cdepths[j]; j++)
{
# ifdef USE_OPENGL
if (nogl && cdepths[j] > 8) continue;
# endif
pf.BitsPerPixel = cdepths[j];
pf.BytesPerPixel = cdepths[j] >> 3;
// We convert paletted contents to non-paletted
modes = SDL_ListModes((cdepths[j] == 8) ? NULL : &pf, SURFACE_FLAGS | SDL_FULLSCREEN);
if (modes == (SDL_Rect **)0)
{
if (cdepths[j] > 8) cdepths[j] = -1;
continue;
}
if (modes == (SDL_Rect **)-1)
{
for (i=0; defaultres[i][0]; i++)
ADDMODE(defaultres[i][0],defaultres[i][1],cdepths[j],1);
}
else
{
for (i=0; modes[i]; i++)
{
if ((modes[i]->w > MAXXDIM) || (modes[i]->h > MAXYDIM)) continue;
ADDMODE(modes[i]->w, modes[i]->h, cdepths[j], 1);
if ((modes[i]->w > maxx) && (modes[i]->h > maxy))
{
maxx = modes[i]->w;
maxy = modes[i]->h;
}
}
}
}
#else // here SDL_MAJOR_VERSION==2
for (i=0; i<SDL_GetNumDisplayModes(0); i++)
{
SDL_GetDisplayMode(0, i, &dispmode);
if ((dispmode.w > MAXXDIM) || (dispmode.h > MAXYDIM)) continue;
// HACK: 8-bit == Software, 32-bit == OpenGL
ADDMODE(dispmode.w, dispmode.h, 8, 1);
#ifdef USE_OPENGL
if (!nogl)
ADDMODE(dispmode.w, dispmode.h, 32, 1);
#endif
if ((dispmode.w > maxx) && (dispmode.h > maxy))
{
maxx = dispmode.w;
maxy = dispmode.h;
}
}
#endif
if (maxx == 0 && maxy == 0)
{
initprintf("No fullscreen modes available!\n");
maxx = MAXXDIM; maxy = MAXYDIM;
}
// add windowed modes next
#if SDL_MAJOR_VERSION==1
for (j=0; cdepths[j]; j++)
{
#ifdef USE_OPENGL
if (nogl && cdepths[j] > 8) continue;
#endif
if (cdepths[j] < 0) continue;
for (i=0; defaultres[i][0]; i++)
CHECK(defaultres[i][0],defaultres[i][1])
ADDMODE(defaultres[i][0],defaultres[i][1],cdepths[j],0);
}
#else // here SDL_MAJOR_VERSION==2
for (i=0; defaultres[i][0]; i++)
CHECK(defaultres[i][0],defaultres[i][1])
{
// HACK: 8-bit == Software, 32-bit == OpenGL
ADDMODE(defaultres[i][0],defaultres[i][1],8,0);
#ifdef USE_OPENGL
if (!nogl)
ADDMODE(defaultres[i][0],defaultres[i][1],32,0);
#endif
}
#endif
#undef CHECK
#undef ADDMODE
qsort((void *)validmode, validmodecnt, sizeof(struct validmode_t), &sortmodes);
modeschecked=1;
}
//
// checkvideomode() -- makes sure the video mode passed is legal
//
int32_t checkvideomode(int32_t *x, int32_t *y, int32_t c, int32_t fs, int32_t forced)
{
int32_t i, nearest=-1, dx, dy, odx=9999, ody=9999;
getvalidmodes();
if (c>8
#ifdef USE_OPENGL
&& nogl
#endif
) return -1;
// fix up the passed resolution values to be multiples of 8
// and at least 320x200 or at most MAXXDIMxMAXYDIM
if (*x < 320) *x = 320;
if (*y < 200) *y = 200;
if (*x > MAXXDIM) *x = MAXXDIM;
if (*y > MAXYDIM) *y = MAXYDIM;
// *x &= 0xfffffff8l;
for (i=0; i<validmodecnt; i++)
{
if (validmode[i].bpp != c) continue;
if (validmode[i].fs != fs) continue;
dx = klabs(validmode[i].xdim - *x);
dy = klabs(validmode[i].ydim - *y);
if (!(dx | dy))
{
// perfect match
nearest = i;
break;
}
if ((dx <= odx) && (dy <= ody))
{
nearest = i;
odx = dx; ody = dy;
}
}
#ifdef ANY_WINDOWED_SIZE
if (!forced && (fs&1) == 0 && (nearest < 0 || (validmode[nearest].xdim!=*x || validmode[nearest].ydim!=*y)))
return 0x7fffffffl;
#endif
if (nearest < 0)
{
// no mode that will match (eg. if no fullscreen modes)
return -1;
}
*x = validmode[nearest].xdim;
*y = validmode[nearest].ydim;
return nearest; // JBF 20031206: Returns the mode number
}
static int32_t needpalupdate;
static SDL_Color sdlayer_pal[256];
static void destroy_window_resources()
{
if (sdl_buffersurface)
SDL_FreeSurface(sdl_buffersurface);
sdl_buffersurface = NULL;
/* We should NOT destroy the window surface. This is done automatically
when SDL_DestroyWindow or SDL_SetVideoMode is called. */
#if SDL_MAJOR_VERSION==2
if (sdl_renderer && sdl_texture && sdl_surface)
SDL_FreeSurface(sdl_surface);
sdl_surface = NULL;
if (sdl_context)
SDL_GL_DeleteContext(sdl_context);
sdl_context = NULL;
if (sdl_texture)
SDL_DestroyTexture(sdl_texture);
sdl_texture = NULL;
if (sdl_renderer)
SDL_DestroyRenderer(sdl_renderer);
sdl_renderer = NULL;
if (sdl_window)
SDL_DestroyWindow(sdl_window);
sdl_window = NULL;
#endif
}
//
// setvideomode() -- set SDL video mode
//
int32_t setvideomode(int32_t x, int32_t y, int32_t c, int32_t fs)
{
int32_t regrab = 0;
#ifdef USE_OPENGL
static int32_t warnonce = 0;
# if (SDL_MAJOR_VERSION == 1 && SDL_MINOR_VERSION < 3)
static int32_t ovsync = 1;
# endif
#endif
if ((fs == fullscreen) && (x == xres) && (y == yres) && (c == bpp) &&
!videomodereset)
{
OSD_ResizeDisplay(xres,yres);
return 0;
}
if (checkvideomode(&x,&y,c,fs,0) < 0) return -1;
startwin_close();
if (mousegrab)
{
regrab = 1;
grabmouse(0);
}
if (lockcount) while (lockcount) enddrawing();
#ifdef USE_OPENGL
if (bpp > 8 && sdl_surface) polymost_glreset();
#endif
// clear last gamma/contrast/brightness so that it will be set anew
lastvidgcb[0] = lastvidgcb[1] = lastvidgcb[2] = 0.0f;
#if SDL_MAJOR_VERSION==1
// restore gamma before we change video modes if it was changed
if (sdl_surface && gammabrightness)
{
SDL_SetGammaRamp(sysgamma[0], sysgamma[1], sysgamma[2]);
gammabrightness = 0; // redetect on next mode switch
}
#endif
// deinit
destroy_window_resources();
#ifdef USE_OPENGL
if (c > 8)
{
int32_t i, j, multisamplecheck = (glmultisample > 0);
struct
{
SDL_GLattr attr;
int32_t value;
}
attributes[] =
{
# if 0
{ SDL_GL_RED_SIZE, 8 },
{ SDL_GL_GREEN_SIZE, 8 },
{ SDL_GL_BLUE_SIZE, 8 },
{ SDL_GL_ALPHA_SIZE, 8 },
{ SDL_GL_BUFFER_SIZE, c },
{ SDL_GL_STENCIL_SIZE, 0 },
{ SDL_GL_ACCUM_RED_SIZE, 0 },
{ SDL_GL_ACCUM_GREEN_SIZE, 0 },
{ SDL_GL_ACCUM_BLUE_SIZE, 0 },
{ SDL_GL_ACCUM_ALPHA_SIZE, 0 },
{ SDL_GL_DEPTH_SIZE, 24 },
# endif
{ SDL_GL_DOUBLEBUFFER, 1 },
{ SDL_GL_MULTISAMPLEBUFFERS, glmultisample > 0 },
{ SDL_GL_MULTISAMPLESAMPLES, glmultisample },
{ SDL_GL_STENCIL_SIZE, 1 },
# if (SDL_MAJOR_VERSION == 1 && SDL_MINOR_VERSION < 3)
{ SDL_GL_SWAP_CONTROL, vsync_render },
# endif
};
if (nogl) return -1;
# ifdef _WIN32
win_setvideomode(c);
# endif
initprintf("Setting video mode %dx%d (%d-bpp %s)\n",
x,y,c, ((fs&1) ? "fullscreen" : "windowed"));
do
{
for (i=0; i < (int32_t)(sizeof(attributes)/sizeof(attributes[0])); i++)
{
j = attributes[i].value;
if (!multisamplecheck &&
(attributes[i].attr == SDL_GL_MULTISAMPLEBUFFERS ||
attributes[i].attr == SDL_GL_MULTISAMPLESAMPLES)
)
{
j = 0;
}
SDL_GL_SetAttribute(attributes[i].attr, j);
}
/* HACK: changing SDL GL attribs only works before surface creation,
so we have to create a new surface in a different format first
to force the surface we WANT to be recreated instead of reused. */
# if (SDL_MAJOR_VERSION == 1 && SDL_MINOR_VERSION < 3)
if (vsync_render != ovsync)
{
if (sdl_surface)
{
SDL_FreeSurface(sdl_surface);
sdl_surface = SDL_SetVideoMode(1, 1, 8, SDL_NOFRAME | SURFACE_FLAGS | ((fs&1)?SDL_FULLSCREEN:0));
SDL_FreeSurface(sdl_surface);
}
ovsync = vsync_render;
}
# endif
# if SDL_MAJOR_VERSION==1
sdl_surface = SDL_SetVideoMode(x, y, c, SDL_OPENGL | ((fs&1)?SDL_FULLSCREEN:0));
if (!sdl_surface)
{
if (multisamplecheck)
{
initprintf("Multisample mode not possible. Retrying without multisampling.\n");
glmultisample = 0;
continue;
}
initprintf("Unable to set video mode!\n");
return -1;
}
# else
sdl_window = SDL_CreateWindow("", windowpos ? windowx : SDL_WINDOWPOS_CENTERED ,windowpos ? windowy : SDL_WINDOWPOS_CENTERED,
x,y, ((fs&1)?SDL_WINDOW_FULLSCREEN:0) | SDL_WINDOW_OPENGL);
if (!sdl_window)
{
initprintf("Unable to set video mode: SDL_CreateWindow failed: %s\n",
SDL_GetError());
return -1;
}
sdl_context = SDL_GL_CreateContext(sdl_window);
if (!sdl_context)
{
initprintf("Unable to set video mode: SDL_GL_CreateContext failed: %s\n",
SDL_GetError());
destroy_window_resources();
return -1;
}
SDL_GL_SetSwapInterval(vsync_render);
#endif
#ifdef _WIN32
loadglextensions();
#endif
}
while (multisamplecheck--);
}
else
#endif // defined USE_OPENGL
{
initprintf("Setting video mode %dx%d (%d-bpp %s)\n",
x,y,c, ((fs&1) ? "fullscreen" : "windowed"));
#if SDL_MAJOR_VERSION==1
// We convert paletted contents to non-paletted
sdl_surface = SDL_SetVideoMode(x, y, 0, SURFACE_FLAGS | ((fs&1)?SDL_FULLSCREEN:0));
if (!sdl_surface)
{
initprintf("Unable to set video mode!\n");
return -1;
}
sdl_buffersurface = SDL_CreateRGBSurface(SURFACE_FLAGS, x, y, c, 0, 0, 0, 0);
if (!sdl_buffersurface)
{
initprintf("Unable to set video mode: SDL_CreateRGBSurface failed: %s\n",
SDL_GetError());
return -1;
}
#else
// init
sdl_window = SDL_CreateWindow("", SDL_WINDOWPOS_UNDEFINED,SDL_WINDOWPOS_UNDEFINED,
x,y, ((fs&1)?SDL_WINDOW_FULLSCREEN:0));
if (!sdl_window)
{
initprintf("Unable to set video mode: SDL_CreateWindow failed: %s\n",
SDL_GetError());
return -1;
}
sdl_renderer = SDL_CreateRenderer(sdl_window, -1, 0);
if (!sdl_renderer)
{
initprintf("Falling back to SDL_GetWindowSurface: SDL_CreateRenderer failed: %s\n",
SDL_GetError());
}
else
{
SDL_RendererInfo sdl_rendererinfo;
SDL_GetRendererInfo(sdl_renderer, &sdl_rendererinfo);
if (sdl_rendererinfo.flags & SDL_RENDERER_SOFTWARE) // this would be useless
{
SDL_DestroyRenderer(sdl_renderer);
sdl_renderer = NULL;
}
else
{
sdl_texture = SDL_CreateTexture(sdl_renderer, SDL_PIXELFORMAT_ARGB8888,
SDL_TEXTUREACCESS_STREAMING, x, y);
if (!sdl_texture)
{
initprintf("Falling back to SDL_GetWindowSurface: SDL_CreateTexture failed: %s\n",
SDL_GetError());
SDL_DestroyRenderer(sdl_renderer);
sdl_renderer = NULL;
}
}
}
if (sdl_renderer && sdl_texture)
{
sdl_surface = SDL_CreateRGBSurface(0, x, y, 32, 0, 0, 0, 0);
if (!sdl_surface)
{
initprintf("Falling back to SDL_GetWindowSurface: SDL_CreateRGBSurface failed: %s\n",
SDL_GetError());
SDL_DestroyTexture(sdl_texture);
sdl_texture = NULL;
SDL_DestroyRenderer(sdl_renderer);
sdl_renderer = NULL;
}
}
if (!sdl_surface)
{
sdl_surface = SDL_GetWindowSurface(sdl_window);
if (!sdl_surface)
{
initprintf("Unable to set video mode: SDL_GetWindowSurface failed: %s\n",
SDL_GetError());
destroy_window_resources();
return -1;
}
}
sdl_buffersurface = SDL_CreateRGBSurface(0, x, y, c, 0, 0, 0, 0);
if (!sdl_buffersurface)
{
initprintf("Unable to set video mode: SDL_CreateRGBSurface failed: %s\n",
SDL_GetError());
destroy_window_resources();
return -1;
}
if (!sdl_palptr)
sdl_palptr = SDL_AllocPalette(256);
if (SDL_SetSurfacePalette(sdl_buffersurface, sdl_palptr) < 0)
initprintf("SDL_SetSurfacePalette failed: %s\n", SDL_GetError());
#endif
}
#if 0
{
char flags[512] = "";
# define FLAG(x,y) if ((sdl_surface->flags & x) == x) { strcat(flags, y); strcat(flags, " "); }
FLAG(SDL_HWSURFACE, "HWSURFACE") else
FLAG(SDL_SWSURFACE, "SWSURFACE")
FLAG(SDL_ASYNCBLIT, "ASYNCBLIT")
FLAG(SDL_ANYFORMAT, "ANYFORMAT")
FLAG(SDL_HWPALETTE, "HWPALETTE")
FLAG(SDL_DOUBLEBUF, "DOUBLEBUF")
FLAG(SDL_FULLSCREEN, "FULLSCREEN")
FLAG(SDL_OPENGL, "OPENGL")
FLAG(SDL_OPENGLBLIT, "OPENGLBLIT")
FLAG(SDL_RESIZABLE, "RESIZABLE")
FLAG(SDL_HWACCEL, "HWACCEL")
FLAG(SDL_SRCCOLORKEY, "SRCCOLORKEY")
FLAG(SDL_RLEACCEL, "RLEACCEL")
FLAG(SDL_SRCALPHA, "SRCALPHA")
FLAG(SDL_PREALLOC, "PREALLOC")
# undef FLAG
initprintf("SDL Surface flags: %s\n", flags);
}
#endif
{
//static char t[384];
//sprintf(t, "%s (%dx%d %s)", apptitle, x, y, ((fs) ? "fullscreen" : "windowed"));
#if SDL_MAJOR_VERSION == 1
SDL_WM_SetCaption(apptitle, 0);
#else
SDL_SetWindowTitle(sdl_window, apptitle);
#endif
}
if (appicon)
{
#if SDL_MAJOR_VERSION==1
SDL_WM_SetIcon(appicon, 0);
#else
SDL_SetWindowIcon(sdl_window, appicon);
#endif
}
#ifdef USE_OPENGL
if (c > 8)
{
char *p,*p2,*p3;
polymost_glreset();
bglEnable(GL_TEXTURE_2D);
bglShadeModel(GL_SMOOTH); //GL_FLAT
bglClearColor(0,0,0,0.5); //Black Background
bglHint(GL_PERSPECTIVE_CORRECTION_HINT,GL_NICEST); //Use FASTEST for ortho!
bglHint(GL_LINE_SMOOTH_HINT,GL_NICEST);
bglDisable(GL_DITHER);
glinfo.vendor = (const char *)bglGetString(GL_VENDOR);
glinfo.renderer = (const char *)bglGetString(GL_RENDERER);
glinfo.version = (const char *)bglGetString(GL_VERSION);
glinfo.extensions = (const char *)bglGetString(GL_EXTENSIONS);
# ifdef POLYMER
if (!Bstrcmp(glinfo.vendor,"ATI Technologies Inc."))
{
pr_ati_fboworkaround = 1;
initprintf("Enabling ATI FBO color attachment workaround.\n");
if (Bstrstr(glinfo.renderer,"Radeon X1"))
{
pr_ati_nodepthoffset = 1;
initprintf("Enabling ATI R520 polygon offset workaround.\n");
}
else
pr_ati_nodepthoffset = 0;
# ifdef __APPLE__
//See bug description at http://lists.apple.com/archives/mac-opengl/2005/Oct/msg00169.html
if (!Bstrncmp(glinfo.renderer,"ATI Radeon 9600", 15))
{
pr_ati_textureformat_one = 1;
initprintf("Enabling ATI Radeon 9600 texture format workaround.\n");
}
else
pr_ati_textureformat_one = 0;
# endif
}
else
pr_ati_fboworkaround = 0;
# endif // defined POLYMER
glinfo.maxanisotropy = 1.0;
glinfo.bgra = 0;
glinfo.texcompr = 0;
// process the extensions string and flag stuff we recognize
p = Bstrdup(glinfo.extensions);
p3 = p;
while ((p2 = Bstrtoken(p3==p?p:NULL, " ", (char **)&p3, 1)) != NULL)
{
if (!Bstrcmp(p2, "GL_EXT_texture_filter_anisotropic"))
{
// supports anisotropy. get the maximum anisotropy level
bglGetFloatv(GL_MAX_TEXTURE_MAX_ANISOTROPY_EXT, &glinfo.maxanisotropy);
}
else if (!Bstrcmp(p2, "GL_EXT_texture_edge_clamp") ||
!Bstrcmp(p2, "GL_SGIS_texture_edge_clamp"))
{
// supports GL_CLAMP_TO_EDGE or GL_CLAMP_TO_EDGE_SGIS
glinfo.clamptoedge = 1;
}
else if (!Bstrcmp(p2, "GL_EXT_bgra"))
{
// support bgra textures
glinfo.bgra = 1;
}
else if (!Bstrcmp(p2, "GL_ARB_texture_compression") && Bstrcmp(glinfo.vendor,"ATI Technologies Inc."))
{
// support texture compression
glinfo.texcompr = 1;
}
else if (!Bstrcmp(p2, "GL_ARB_texture_non_power_of_two"))
{
// support non-power-of-two texture sizes
glinfo.texnpot = 1;
}
else if (!Bstrcmp(p2, "WGL_3DFX_gamma_control"))
{
// 3dfx cards have issues with fog
nofog = 1;
if (!(warnonce&1)) initprintf("3dfx card detected: OpenGL fog disabled\n");
warnonce |= 1;
}
else if (!Bstrcmp(p2, "GL_ARB_multisample"))
{
// supports multisampling
glinfo.multisample = 1;
}
else if (!Bstrcmp(p2, "GL_NV_multisample_filter_hint"))
{
// supports nvidia's multisample hint extension
glinfo.nvmultisamplehint = 1;
}
else if (!Bstrcmp((char *)p2, "GL_ARB_fragment_program"))
{
glinfo.arbfp = 1;
}
else if (!Bstrcmp((char *)p2, "GL_ARB_depth_texture"))
{
glinfo.depthtex = 1;
}
else if (!Bstrcmp((char *)p2, "GL_ARB_shadow"))
{
glinfo.shadow = 1;
}
else if (!Bstrcmp((char *)p2, "GL_EXT_framebuffer_object"))
{
glinfo.fbos = 1;
}
else if (!Bstrcmp((char *)p2, "GL_NV_texture_rectangle") ||
!Bstrcmp((char *)p2, "GL_EXT_texture_rectangle"))
{
glinfo.rect = 1;
}
else if (!Bstrcmp((char *)p2, "GL_ARB_multitexture"))
{
glinfo.multitex = 1;
}
else if (!Bstrcmp((char *)p2, "GL_ARB_texture_env_combine"))
{
glinfo.envcombine = 1;
}
else if (!Bstrcmp((char *)p2, "GL_ARB_vertex_buffer_object"))
{
glinfo.vbos = 1;
}
else if (!Bstrcmp((char *)p2, "GL_EXT_gpu_shader4"))
{
glinfo.sm4 = 1;
}
else if (!Bstrcmp((char *)p2, "GL_ARB_occlusion_query"))
{
glinfo.occlusionqueries = 1;
}
else if (!Bstrcmp((char *)p2, "GL_ARB_shader_objects"))
{
glinfo.glsl = 1;
}
else if (!Bstrcmp((char *)p2, "GL_ARB_debug_output"))
{
glinfo.debugoutput = 1;
}
}
Bfree(p);
if (!glinfo.dumped)
{
int32_t oldbpp = bpp;
bpp = 32;
osdcmd_glinfo(NULL);
glinfo.dumped = 1;
bpp = oldbpp;
}
}
#endif // defined USE_OPENGL
xres = x;
yres = y;
bpp = c;
fullscreen = fs;
//bytesperline = sdl_surface->pitch;
numpages = c>8?2:1;
frameplace = 0;
lockcount = 0;
modechange=1;
videomodereset = 0;
OSD_ResizeDisplay(xres,yres);
// save the current system gamma to determine if gamma is available
if (!gammabrightness)
{
// float f = 1.0 + ((float)curbrightness / 10.0);
#if SDL_MAJOR_VERSION==1
if (SDL_GetGammaRamp(sysgamma[0], sysgamma[1], sysgamma[2]) >= 0)
gammabrightness = 1;
#else
if (SDL_GetWindowGammaRamp(sdl_window, sysgamma[0], sysgamma[1], sysgamma[2]) == 0)
gammabrightness = 1;
#endif
// see if gamma really is working by trying to set the brightness
if (gammabrightness && setgamma() < 0)
gammabrightness = 0; // nope
}
// setpalettefade will set the palette according to whether gamma worked
setpalettefade(palfadergb.r, palfadergb.g, palfadergb.b, palfadedelta);
//if (c==8) setpalette(0,256,0);
if (regrab) grabmouse(1);
return 0;
}
//
// resetvideomode() -- resets the video system
//
void resetvideomode(void)
{
videomodereset = 1;
modeschecked = 0;
}
//
// begindrawing() -- locks the framebuffer for drawing
//
void begindrawing(void)
{
if (bpp > 8)
{
if (offscreenrendering) return;
frameplace = 0;
bytesperline = 0;
modechange = 0;
return;
}
// lock the frame
if (lockcount++ > 0)
return;
if (offscreenrendering) return;
if (SDL_MUSTLOCK(sdl_buffersurface)) SDL_LockSurface(sdl_buffersurface);
frameplace = (intptr_t)sdl_buffersurface->pixels;
if (sdl_buffersurface->pitch != bytesperline || modechange)
{
bytesperline = sdl_buffersurface->pitch;
calc_ylookup(bytesperline, ydim);
modechange=0;
}
}
//
// enddrawing() -- unlocks the framebuffer
//
void enddrawing(void)
{
if (bpp > 8)
{
if (!offscreenrendering) frameplace = 0;
return;
}
if (!frameplace) return;
if (lockcount > 1) { lockcount--; return; }
if (!offscreenrendering) frameplace = 0;
if (lockcount == 0) return;
lockcount = 0;
if (offscreenrendering) return;
if (SDL_MUSTLOCK(sdl_buffersurface)) SDL_UnlockSurface(sdl_buffersurface);
}
//
// showframe() -- update the display
//
void showframe(int32_t w)
{
// int32_t i,j;
UNREFERENCED_PARAMETER(w);
#ifdef USE_OPENGL
if (bpp > 8)
{
if (palfadedelta)
fullscreen_tint_gl(palfadergb.r, palfadergb.g, palfadergb.b, palfadedelta);
# if SDL_MAJOR_VERSION==1
SDL_GL_SwapBuffers();
# else
SDL_GL_SwapWindow(sdl_window);
# endif
return;
}
#endif
if (offscreenrendering) return;
if (lockcount)
{
printf("Frame still locked %d times when showframe() called.\n", lockcount);
while (lockcount) enddrawing();
}
// deferred palette updating
if (needpalupdate)
{
#if SDL_MAJOR_VERSION==1
SDL_SetColors(sdl_buffersurface, sdlayer_pal, 0, 256);
// same as:
//SDL_SetPalette(sdl_buffersurface, SDL_LOGPAL|SDL_PHYSPAL, pal, 0, 256);
#else
if (SDL_SetPaletteColors(sdl_palptr, sdlayer_pal, 0, 256) < 0)
initprintf("SDL_SetPaletteColors failed: %s\n", SDL_GetError());
#endif
needpalupdate = 0;
}
SDL_BlitSurface(sdl_buffersurface, NULL, sdl_surface, NULL);
#if SDL_MAJOR_VERSION==1
SDL_Flip(sdl_surface);
#else
if (sdl_renderer && sdl_texture)
{
SDL_UpdateTexture(sdl_texture, NULL, sdl_surface->pixels, sdl_surface->pitch);
SDL_RenderClear(sdl_renderer);
SDL_RenderCopy(sdl_renderer, sdl_texture, NULL, NULL);
SDL_RenderPresent(sdl_renderer);
}
else if (SDL_UpdateWindowSurface(sdl_window))
{
// If a fullscreen X11 window is minimized then this may be required.
// FIXME: What to do if this fails...
sdl_surface = SDL_GetWindowSurface(sdl_window);
SDL_UpdateWindowSurface(sdl_window);
}
#endif
}
//
// setpalette() -- set palette values
//
int32_t setpalette(int32_t start, int32_t num)
{
int32_t i,n;
if (bpp > 8) return 0; // no palette in opengl
Bmemcpy(sdlayer_pal, curpalettefaded, 256*4);
for (i=start, n=num; n>0; i++, n--)
curpalettefaded[i].f =
#if SDL_MAJOR_VERSION==1
sdlayer_pal[i].unused
#else
sdlayer_pal[i].a
#endif
= 0;
needpalupdate = 1;
return 0;
}
//
// getpalette() -- get palette values
//
#if 0
int32_t getpalette(int32_t start, int32_t num, char *dapal)
{
int32_t i;
SDL_Palette *pal;
// we shouldn't need to lock the surface to get the palette
pal = sdl_surface->format->palette;
for (i=num; i>0; i--, start++) {
dapal[0] = pal->colors[start].b >> 2;
dapal[1] = pal->colors[start].g >> 2;
dapal[2] = pal->colors[start].r >> 2;
dapal += 4;
}
return 1;
}
#endif
//
// setgamma
//
int32_t setgamma(void)
{
int32_t i;
uint16_t gammaTable[768];
float gamma = max(0.1f,min(4.f,vid_gamma));
float contrast = max(0.1f,min(3.f,vid_contrast));
float bright = max(-0.8f,min(0.8f,vid_brightness));
double invgamma = 1 / gamma;
double norm = pow(255., invgamma - 1);
if (novideo) return 0;
if (lastvidgcb[0]==gamma && lastvidgcb[1]==contrast && lastvidgcb[2]==bright)
return 0;
// This formula is taken from Doomsday
for (i = 0; i < 256; i++)
{
double val = i * contrast - (contrast - 1) * 127;
if (gamma != 1) val = pow(val, invgamma) / norm;
val += bright * 128;
gammaTable[i] = gammaTable[i + 256] = gammaTable[i + 512] = (uint16_t)max(0.f,(double)min(0xffff,val*256));
}
#if SDL_MAJOR_VERSION==1
i = SDL_SetGammaRamp(&gammaTable[0],&gammaTable[256],&gammaTable[512]);
#else
i = INT32_MIN;
if (sdl_window)
i = SDL_SetWindowGammaRamp(
sdl_window,&gammaTable[0],&gammaTable[256],&gammaTable[512]);
#endif
#if SDL_MAJOR_VERSION==1
if (i != -1)
#else
if (i < 0)
{
if (i != INT32_MIN)
initprintf("Unable to set gamma: SDL_SetWindowGammaRamp failed: %s\n", SDL_GetError());
}
else
#endif
{
lastvidgcb[0] = gamma;
lastvidgcb[1] = contrast;
lastvidgcb[2] = bright;
}
return i;
}
#if !defined(__APPLE__) && !defined(__ANDROID__)
extern struct sdlappicon sdlappicon;
static SDL_Surface *loadappicon(void)
{
SDL_Surface *surf;
surf = SDL_CreateRGBSurfaceFrom((void *)sdlappicon.pixels,
sdlappicon.width, sdlappicon.height, 32, sdlappicon.width*4,
0xffl,0xff00l,0xff0000l,0xff000000l);
return surf;
}
#endif
//
//
// ---------------------------------------
//
// Miscellany
//
// ---------------------------------------
//
//
int32_t handleevents_peekkeys(void)
{
SDL_PumpEvents();
#if SDL_MAJOR_VERSION==1
return SDL_PeepEvents(NULL, 1, SDL_PEEKEVENT, SDL_EVENTMASK(SDL_KEYDOWN));
#else
return SDL_PeepEvents(NULL, 1, SDL_PEEKEVENT, SDL_KEYDOWN, SDL_KEYDOWN);
#endif
}
//
// handleevents() -- process the SDL message queue
// returns !0 if there was an important event worth checking (like quitting)
//
int32_t handleevents(void)
{
int32_t code, rv=0, j;
SDL_Event ev;
if (inputchecked)
{
if (moustat)
{
if (mousepresscallback)
{
if (mouseb & 16)
mousepresscallback(5, 0);
if (mouseb & 32)
mousepresscallback(6, 0);
}
mouseb &= ~(16|32);
}
}
while (SDL_PollEvent(&ev))
{
switch (ev.type)
{
#if (SDL_MAJOR_VERSION > 1 || (SDL_MAJOR_VERSION == 1 && SDL_MINOR_VERSION > 2))
case SDL_TEXTINPUT:
j = 0;
do
{
code = ev.text.text[j];
if (code != scantoasc[OSD_OSDKey()] && !keyascfifo_isfull())
{
if (OSD_HandleChar(code))
keyascfifo_insert(code);
}
}
while (j < SDL_TEXTINPUTEVENT_TEXT_SIZE && ev.text.text[++j]);
break;
case SDL_KEYDOWN:
case SDL_KEYUP:
code = keytranslation[ev.key.keysym.scancode];
if (ev.key.type == SDL_KEYDOWN && !keyascfifo_isfull() &&
(ev.key.keysym.scancode == SDL_SCANCODE_RETURN ||
ev.key.keysym.scancode == SDL_SCANCODE_KP_ENTER ||
ev.key.keysym.scancode == SDL_SCANCODE_ESCAPE ||
ev.key.keysym.scancode == SDL_SCANCODE_BACKSPACE ||
ev.key.keysym.scancode == SDL_SCANCODE_TAB ||
(ev.key.keysym.mod==KMOD_LCTRL &&
(ev.key.keysym.scancode == SDL_SCANCODE_F ||
ev.key.keysym.scancode == SDL_SCANCODE_G))))
{
char keyvalue;
switch (ev.key.keysym.scancode)
{
case SDL_SCANCODE_RETURN: case SDL_SCANCODE_KP_ENTER: keyvalue = '\r'; break;
case SDL_SCANCODE_ESCAPE: keyvalue = 27; break;
case SDL_SCANCODE_BACKSPACE: keyvalue = '\b'; break;
case SDL_SCANCODE_TAB: keyvalue = '\t'; break;
case SDL_SCANCODE_F: keyvalue = 6; break;
case SDL_SCANCODE_G: keyvalue = 7; break;
default: keyvalue = 0; break;
}
if (OSD_HandleChar(keyvalue))
keyascfifo_insert(keyvalue);
}
// initprintf("SDL2: got key %d, %d, %u\n", ev.key.keysym.scancode, code, ev.key.type);
// hook in the osd
if ((j = OSD_HandleScanCode(code, (ev.key.type == SDL_KEYDOWN))) <= 0)
{
if (j == -1) // osdkey
for (j = 0; j < KEYSTATUSSIZ; ++j)
if (GetKey(j))
{
SetKey(j, 0);
if (keypresscallback)
keypresscallback(j, 0);
}
break;
}
if (ev.key.type == SDL_KEYDOWN)
{
if (!GetKey(code))
{
SetKey(code, 1);
if (keypresscallback)
keypresscallback(code, 1);
}
}
else
{
# if 1
// The pause key generates a release event right after
// the pressing one. As a result, it gets unseen
// by the game most of the time.
if (code == 0x59) // pause
break;
# endif
SetKey(code, 0);
if (keypresscallback)
keypresscallback(code, 0);
}
break;
case SDL_MOUSEWHEEL:
// initprintf("wheel y %d\n",ev.wheel.y);
if (ev.wheel.y > 0)
{
mouseb |= 16;
if (mousepresscallback)
mousepresscallback(5, 1);
}
if (ev.wheel.y < 0)
{
mouseb |= 32;
if (mousepresscallback)
mousepresscallback(6, 1);
}
break;
case SDL_WINDOWEVENT:
switch (ev.window.event)
{
case SDL_WINDOWEVENT_FOCUS_GAINED:
appactive = 1;
# if !defined DEBUGGINGAIDS || defined _WIN32
if (mousegrab && moustat)
grabmouse_low(1);
# endif
# ifdef _WIN32
if (backgroundidle)
SetPriorityClass(GetCurrentProcess(), NORMAL_PRIORITY_CLASS);
# endif
break;
case SDL_WINDOWEVENT_FOCUS_LOST:
appactive = 0;
# if !defined DEBUGGINGAIDS || defined _WIN32
if (mousegrab && moustat)
grabmouse_low(0);
# endif
# ifdef _WIN32
if (backgroundidle)
SetPriorityClass(GetCurrentProcess(), IDLE_PRIORITY_CLASS);
# endif
break;
case SDL_WINDOWEVENT_MOVED:
if (windowpos)
{
windowx = ev.window.data1;
windowy = ev.window.data2;
}
break;
}
break;
// #warning Using SDL 1.3 or 2.X
#else // SDL 1.3+ ^^^ | vvv SDL 1.2
// #warning Using SDL 1.2
case SDL_KEYDOWN:
case SDL_KEYUP:
code = keytranslation[ev.key.keysym.sym];
# ifdef KEY_PRINT_DEBUG
printf("keytranslation[%d] = %s (%d) %s\n", ev.key.keysym.sym,
key_names[code], code, ev.key.type==SDL_KEYDOWN?"DOWN":"UP");
# endif
if (code != OSD_OSDKey() && ev.key.keysym.unicode != 0 && ev.key.type == SDL_KEYDOWN &&
(ev.key.keysym.unicode & 0xff80) == 0 &&
!keyascfifo_isfull())
{
if (OSD_HandleChar(ev.key.keysym.unicode & 0x7f))
keyascfifo_insert(ev.key.keysym.unicode & 0x7f);
}
// hook in the osd
// if (ev.type==SDL_KEYDOWN)
// printf("got key SDLK %d (%s), trans 0x%x\n", ev.key.keysym.sym, SDL_GetKeyName(ev.key.keysym.sym), code);
if ((j = OSD_HandleScanCode(code, (ev.key.type == SDL_KEYDOWN))) <= 0)
{
if (j == -1) // osdkey
for (j = 0; j < KEYSTATUSSIZ; ++j)
if (GetKey(j))
{
SetKey(j, 0);
if (keypresscallback)
keypresscallback(j, 0);
}
break;
}
if (ev.key.type == SDL_KEYDOWN)
{
if (!GetKey(code))
{
SetKey(code, 1);
if (keypresscallback)
keypresscallback(code, 1);
}
}
else
{
# ifdef __linux
if (code == 0x59) // pause
break;
# endif
SetKey(code, 0);
if (keypresscallback)
keypresscallback(code, 0);
}
break;
case SDL_ACTIVEEVENT:
if (ev.active.state & SDL_APPINPUTFOCUS)
{
appactive = ev.active.gain;
# if !defined DEBUGGINGAIDS || defined _WIN32
if (mousegrab && moustat)
{
if (appactive)
grabmouse_low(1);
else
grabmouse_low(0);
}
# endif
# ifdef _WIN32
if (backgroundidle)
SetPriorityClass(GetCurrentProcess(),
appactive ? NORMAL_PRIORITY_CLASS : IDLE_PRIORITY_CLASS);
# endif
rv=-1;
}
break;
#endif // SDL version
case SDL_MOUSEBUTTONDOWN:
case SDL_MOUSEBUTTONUP:
//if (ev.button.button>=0)
// initprintf("BTN %d\n", ev.button.button);
switch (ev.button.button)
{
// some of these get reordered to match winlayer
default:
j = -1; break;
case SDL_BUTTON_LEFT:
j = 0; break;
case SDL_BUTTON_RIGHT:
j = 1; break;
case SDL_BUTTON_MIDDLE:
j = 2; break;
#if SDL_MAJOR_VERSION==1 || !defined _WIN32
// NOTE: SDL1 does have SDL_BUTTON_X1, but that's not what is
// generated. Neither with SDL2 on Linux. (Other OSs: not tested.)
case 8: // 8 --> 3
#else
// On SDL2/Windows, everything is as it should be.
case SDL_BUTTON_X1:
#endif
j = 3; break;
#if SDL_MAJOR_VERSION==1
case SDL_BUTTON_WHEELUP: // 4
case SDL_BUTTON_WHEELDOWN: // 5
j = ev.button.button; break;
#endif
#if SDL_MAJOR_VERSION==1 || !defined _WIN32
case 9: // 9 --> 6
#else
case SDL_BUTTON_X2:
#endif
j = 6; break;
}
if (j<0) break;
if (ev.button.state == SDL_PRESSED)
{
mouseb |= (1<<j);
}
else
{
#if SDL_MAJOR_VERSION==1
if (j != SDL_BUTTON_WHEELUP && j != SDL_BUTTON_WHEELDOWN)
#endif
mouseb &= ~(1<<j);
}
if (mousepresscallback)
mousepresscallback(j+1, ev.button.state == SDL_PRESSED);
break;
case SDL_MOUSEMOTION:
// SDL <VER> doesn't handle relative mouse movement correctly yet as the cursor still clips to the screen edges
// so, we call SDL_WarpMouse() to center the cursor and ignore the resulting motion event that occurs
// <VER> is 1.3 for PK, 1.2 for tueidj
if (appactive && mousegrab)
{
#ifdef GEKKO
// check if it's a wiimote pointer pretending to be a mouse
if (ev.motion.state & SDL_BUTTON_X2MASK)
{
// the absolute values are used to draw the crosshair
mouseabsx = ev.motion.x;
mouseabsy = ev.motion.y;
// hack: reduce the scale of the "relative" motions
// to make it act more like a real mouse
ev.motion.xrel /= 16;
ev.motion.yrel /= 12;
}
#endif
if (ev.motion.x != xdim>>1 || ev.motion.y != ydim>>1)
{
mousex += ev.motion.xrel;
mousey += ev.motion.yrel;
#if !defined DEBUGGINGAIDS || MY_DEVELOPER_ID==805120924
# if SDL_MAJOR_VERSION==1
SDL_WarpMouse(xdim>>1, ydim>>1);
# else
SDL_WarpMouseInWindow(sdl_window, xdim>>1, ydim>>1);
# endif
#endif
}
}
break;
case SDL_JOYAXISMOTION:
if (appactive && ev.jaxis.axis < joynumaxes)
{
joyaxis[ev.jaxis.axis] = ev.jaxis.value * 10000 / 32767;
if ((joyaxis[ev.jaxis.axis] < joydead[ev.jaxis.axis])
&& (joyaxis[ev.jaxis.axis] > -joydead[ev.jaxis.axis]))
joyaxis[ev.jaxis.axis] = 0;
else if (joyaxis[ev.jaxis.axis] >= joysatur[ev.jaxis.axis])
joyaxis[ev.jaxis.axis] = 10000;
else if (joyaxis[ev.jaxis.axis] <= -joysatur[ev.jaxis.axis])
joyaxis[ev.jaxis.axis] = -10000;
else
joyaxis[ev.jaxis.axis] = joyaxis[ev.jaxis.axis] *
10000 / joysatur[ev.jaxis.axis];
}
break;
case SDL_JOYHATMOTION:
{
int32_t hatvals[16] =
{
-1, // centre
0, // up 1
9000, // right 2
4500, // up+right 3
18000, // down 4
-1, // down+up!! 5
13500, // down+right 6
-1, // down+right+up!! 7
27000, // left 8
27500, // left+up 9
-1, // left+right!! 10
-1, // left+right+up!! 11
22500, // left+down 12
-1, // left+down+up!! 13
-1, // left+down+right!! 14
-1, // left+down+right+up!! 15
};
if (appactive && ev.jhat.hat < joynumhats)
joyhat[ ev.jhat.hat ] = hatvals[ ev.jhat.value & 15 ];
break;
}
case SDL_JOYBUTTONDOWN:
case SDL_JOYBUTTONUP:
if (appactive && ev.jbutton.button < joynumbuttons)
{
if (ev.jbutton.state == SDL_PRESSED)
joyb |= 1 << ev.jbutton.button;
else
joyb &= ~(1 << ev.jbutton.button);
}
break;
case SDL_QUIT:
quitevent = 1;
rv=-1;
break;
default:
//OSD_Printf("Got event (%d)\n", ev.type);
break;
}
}
// if (mousex|mousey) printf("%d,%d\n",mousex,mousey); ///
inputchecked = 0;
sampletimer();
#ifndef _WIN32
startwin_idle(NULL);
#endif
#undef SetKey
return rv;
}
#if (SDL_MAJOR_VERSION == 1 && SDL_MINOR_VERSION < 3) // SDL 1.2
// from SDL HG, modified
int32_t SDL_WaitEventTimeout(SDL_Event *event, int32_t timeout)
{
uint32_t expiration = 0;
if (timeout > 0)
expiration = SDL_GetTicks() + timeout;
for (;;)
{
SDL_PumpEvents();
switch (SDL_PeepEvents(event, 1, SDL_GETEVENT, ~0)) //SDL_FIRSTEVENT, SDL_LASTEVENT)) {
{
case -1:
return 0;
case 1:
return 1;
case 0:
if (timeout == 0)
{
/* Polling and no events, just return */
return 0;
}
if (timeout > 0 && ((int32_t)(SDL_GetTicks() - expiration) >= 0))
{
/* Timeout expired and no events */
return 0;
}
SDL_Delay(10);
break;
}
}
}
#endif
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