File diff r2209:e40a090476da → r2210:ed1be54700ae
driver.c
Show inline comments
 
@@ -2,11 +2,28 @@
 

	
 
#include "stdafx.h"
 
#include "openttd.h"
 
#include "debug.h"
 
#include "driver.h"
 
#include "functions.h"
 
#include "hal.h"
 
#include "string.h"
 

	
 
#include "music/bemidi.h"
 
#include "music/dmusic.h"
 
#include "music/extmidi.h"
 
#include "music/null_m.h"
 
#include "music/os2_m.h"
 
#include "music/win32_m.h"
 

	
 
#include "sound/null_s.h"
 
#include "sound/sdl_s.h"
 
#include "sound/win32_s.h"
 

	
 
#include "video/dedicated_v.h"
 
#include "video/null_v.h"
 
#include "video/sdl_v.h"
 
#include "video/win32_v.h"
 

	
 
typedef struct {
 
	const DriverDesc *descs;
 
	const char *name;
 
@@ -31,21 +48,6 @@ static const DriverDesc* GetDriverByName
 
	return NULL;
 
}
 

	
 
static const DriverDesc* ChooseDefaultDriver(const DriverDesc* dd)
 
{
 
	byte os_version = GetOSVersion();
 
	const DriverDesc *best = NULL;
 
	int best_pri = -1;
 

	
 
	for (; dd->name != NULL; dd++) {
 
		if ((int)(dd->flags & DF_PRIORITY_MASK) > best_pri && os_version >= (byte)dd->flags) {
 
			best_pri = dd->flags & DF_PRIORITY_MASK;
 
			best = dd;
 
		}
 
	}
 
	return best;
 
}
 

	
 
void LoadDriver(int driver, const char *name)
 
{
 
	const DriverClass *dc = &_driver_classes[driver];
 
@@ -59,8 +61,23 @@ void LoadDriver(int driver, const char *
 

	
 
	parms[0] = NULL;
 

	
 
	if (!*name) {
 
		dd = ChooseDefaultDriver(dc->descs);
 
	if (*name == '\0') {
 
		for (dd = dc->descs; dd->name != NULL; dd++) {
 
			err = ((const HalCommonDriver*)dd->drv)->start(parms);
 
			if (err == NULL) break;
 
			DEBUG(driver, 1) ("Probing %s driver \"%s\" failed with error: %s",
 
				dc->name, dd->name, err
 
			);
 
		}
 
		if (dd->name == NULL) {
 
			error("Couldn't find any suitable %s driver", dc->name);
 
		}
 

	
 
		DEBUG(driver, 1)
 
			("Successfully probed %s driver \"%s\"", dc->name, dd->name);
 

	
 
		var = dc->var;
 
		*var = dd->drv;
 
	} else {
 
		// Extract the driver name and put parameter list in parm
 
		ttd_strlcpy(buffer, name, sizeof(buffer));
 
@@ -80,16 +97,20 @@ void LoadDriver(int driver, const char *
 
		dd = GetDriverByName(dc->descs, buffer);
 
		if (dd == NULL)
 
			error("No such %s driver: %s\n", dc->name, buffer);
 

	
 
		var = dc->var;
 
		if (*var != NULL) ((const HalCommonDriver*)*var)->stop();
 
		*var = NULL;
 
		drv = dd->drv;
 

	
 
		err = ((const HalCommonDriver*)drv)->start(parms);
 
		if (err != NULL) {
 
			error("Unable to load driver %s(%s). The error was: %s\n",
 
				dd->name, dd->longname, err
 
			);
 
		}
 
		*var = drv;
 
	}
 
	var = dc->var;
 
	if (*var != NULL) ((const HalCommonDriver*)*var)->stop();
 
	*var = NULL;
 
	drv = dd->drv;
 

	
 
	err = ((const HalCommonDriver*)drv)->start(parms);
 
	if (err != NULL)
 
		error("Unable to load driver %s(%s). The error was: %s\n", dd->name, dd->longname, err);
 
	*var = drv;
 
}
 

	
 

	
 
@@ -133,3 +154,51 @@ void GetDriverList(char* p)
 
		}
 
	}
 
}
 

	
 

	
 
const DriverDesc _music_driver_descs[] = {
 
#ifdef __BEOS__
 
	{ "bemidi",  "BeOS MIDI Driver",        &_bemidi_music_driver },
 
#endif
 
#ifdef __OS2__
 
	{ "os2",     "OS/2 Music Driver",       &_os2_music_driver},
 
#endif
 
#ifdef WIN32_ENABLE_DIRECTMUSIC_SUPPORT
 
	{ "dmusic",  "DirectMusic MIDI Driver", &_dmusic_midi_driver },
 
#endif
 
#ifdef WIN32
 
	{ "win32",   "Win32 MIDI Driver",       &_win32_music_driver },
 
#endif
 
#ifdef UNIX
 
#if !defined(__BEOS__) && !defined(__MORPHOS__) && !defined(__AMIGA__)
 
	{ "extmidi", "External MIDI Driver",    &_extmidi_music_driver },
 
#endif
 
#endif
 
	{ "null",    "Null Music Driver",       &_null_music_driver },
 
	{ NULL, NULL, NULL}
 
};
 

	
 
const DriverDesc _sound_driver_descs[] = {
 
#ifdef WIN32
 
	{ "win32", "Win32 WaveOut Driver", &_win32_sound_driver },
 
#endif
 
#ifdef WITH_SDL
 
	{	"sdl",   "SDL Sound Driver",     &_sdl_sound_driver },
 
#endif
 
	{	"null",  "Null Sound Driver",    &_null_sound_driver },
 
	{	NULL, NULL, NULL}
 
};
 

	
 
const DriverDesc _video_driver_descs[] = {
 
#ifdef WIN32
 
	{ "win32",      "Win32 GDI Video Driver", &_win32_video_driver },
 
#endif
 
#ifdef WITH_SDL
 
	{ "sdl",        "SDL Video Driver",       &_sdl_video_driver },
 
#endif
 
	{ "null",       "Null Video Driver",      &_null_video_driver},
 
#ifdef ENABLE_NETWORK
 
	{ "dedicated",	"Dedicated Video Driver",	&_dedicated_video_driver},
 
#endif
 
	{ NULL, NULL, NULL}
 
};