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Merge pull request #31 from vasi/toggle-fullscreen

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SDL: Allow toggling fullscreen/windowed mode
This commit is contained in:
asvitkine 2013-04-24 17:30:51 -07:00
commit 0231906d6d
3 changed files with 209 additions and 290 deletions
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479
BasiliskII/src/SDL/video_sdl.cpp
View File

@ -106,11 +106,9 @@ static bool redraw_thread_active = false; // Flag: Redraw thread installed
#ifndef USE_CPU_EMUL_SERVICES
static volatile bool redraw_thread_cancel; // Flag: Cancel Redraw thread
static SDL_Thread *redraw_thread = NULL; // Redraw thread
#ifdef SHEEPSHAVER
static volatile bool thread_stop_req = false;
static volatile bool thread_stop_ack = false; // Acknowledge for thread_stop_req
#endif
#endif
#ifdef ENABLE_VOSF
static bool use_vosf = false; // Flag: VOSF enabled
@ -134,8 +132,11 @@ static int screen_depth; // Depth of current screen
static SDL_Cursor *sdl_cursor; // Copy of Mac cursor
static SDL_Color sdl_palette[256]; // Color palette to be used as CLUT and gamma table
static bool sdl_palette_changed = false; // Flag: Palette changed, redraw thread must set new colors
static bool toggle_fullscreen = false;
static const int sdl_eventmask = SDL_MOUSEEVENTMASK | SDL_KEYEVENTMASK | SDL_VIDEOEXPOSEMASK | SDL_QUITMASK | SDL_ACTIVEEVENTMASK;
static bool mouse_grabbed = false;
// Mutex to protect SDL events
static SDL_mutex *sdl_events_lock = NULL;
#define LOCK_EVENTS SDL_LockMutex(sdl_events_lock)
@ -598,19 +599,23 @@ static void migrate_screen_prefs(void)
class driver_base {
public:
driver_base(SDL_monitor_desc &m);
virtual ~driver_base();
~driver_base();
virtual void update_palette(void);
virtual void suspend(void) {}
virtual void resume(void) {}
virtual void toggle_mouse_grab(void) {}
virtual void mouse_moved(int x, int y) { ADBMouseMoved(x, y); }
void init(); // One-time init
void set_video_mode(int flags);
void adapt_to_video_mode();
void update_palette(void);
void suspend(void) {}
void resume(void) {}
void toggle_mouse_grab(void);
void mouse_moved(int x, int y) { ADBMouseMoved(x, y); }
void disable_mouse_accel(void);
void restore_mouse_accel(void);
virtual void grab_mouse(void) {}
virtual void ungrab_mouse(void) {}
void grab_mouse(void);
void ungrab_mouse(void);
public:
SDL_monitor_desc &monitor; // Associated video monitor
@ -620,39 +625,11 @@ public:
SDL_Surface *s; // The surface we draw into
};
class driver_window;
#ifdef ENABLE_VOSF
static void update_display_window_vosf(driver_window *drv);
static void update_display_window_vosf(driver_base *drv);
#endif
static void update_display_static(driver_base *drv);
class driver_window : public driver_base {
#ifdef ENABLE_VOSF
friend void update_display_window_vosf(driver_window *drv);
#endif
friend void update_display_static(driver_base *drv);
public:
driver_window(SDL_monitor_desc &monitor);
~driver_window();
void toggle_mouse_grab(void);
void mouse_moved(int x, int y);
void grab_mouse(void);
void ungrab_mouse(void);
private:
bool mouse_grabbed; // Flag: mouse pointer grabbed, using relative mouse mode
int mouse_last_x, mouse_last_y; // Last mouse position (for relative mode)
};
class driver_fullscreen : public driver_base {
public:
driver_fullscreen(SDL_monitor_desc &monitor);
~driver_fullscreen();
};
static driver_base *drv = NULL; // Pointer to currently used driver object
#ifdef ENABLE_VOSF
@ -666,6 +643,102 @@ driver_base::driver_base(SDL_monitor_desc &m)
the_buffer_copy = NULL;
}
void driver_base::set_video_mode(int flags)
{
int aligned_height = (VIDEO_MODE_Y + 15) & ~15;
int depth = sdl_depth_of_video_depth(VIDEO_MODE_DEPTH);
if ((s = SDL_SetVideoMode(VIDEO_MODE_X, VIDEO_MODE_Y, depth,
SDL_HWSURFACE | flags)) == NULL)
return;
#ifdef ENABLE_VOSF
the_host_buffer = (uint8 *)s->pixels;
#endif
}
void driver_base::init()
{
set_video_mode(display_type == DISPLAY_SCREEN ? SDL_FULLSCREEN : 0);
int aligned_height = (VIDEO_MODE_Y + 15) & ~15;
#ifdef ENABLE_VOSF
use_vosf = true;
// Allocate memory for frame buffer (SIZE is extended to page-boundary)
the_buffer_size = page_extend((aligned_height + 2) * s->pitch);
the_buffer = (uint8 *)vm_acquire_framebuffer(the_buffer_size);
the_buffer_copy = (uint8 *)malloc(the_buffer_size);
D(bug("the_buffer = %p, the_buffer_copy = %p, the_host_buffer = %p\n", the_buffer, the_buffer_copy, the_host_buffer));
// Check whether we can initialize the VOSF subsystem and it's profitable
if (!video_vosf_init(monitor)) {
WarningAlert(STR_VOSF_INIT_ERR);
use_vosf = false;
}
else if (!video_vosf_profitable()) {
video_vosf_exit();
printf("VOSF acceleration is not profitable on this platform, disabling it\n");
use_vosf = false;
}
if (!use_vosf) {
free(the_buffer_copy);
vm_release(the_buffer, the_buffer_size);
the_host_buffer = NULL;
}
#endif
if (!use_vosf) {
// Allocate memory for frame buffer
the_buffer_size = (aligned_height + 2) * s->pitch;
the_buffer_copy = (uint8 *)calloc(1, the_buffer_size);
the_buffer = (uint8 *)vm_acquire_framebuffer(the_buffer_size);
D(bug("the_buffer = %p, the_buffer_copy = %p\n", the_buffer, the_buffer_copy));
}
// Set frame buffer base
set_mac_frame_buffer(monitor, VIDEO_MODE_DEPTH, true);
adapt_to_video_mode();
}
void driver_base::adapt_to_video_mode() {
ADBSetRelMouseMode(false);
// Init blitting routines
SDL_PixelFormat *f = s->format;
VisualFormat visualFormat;
visualFormat.depth = sdl_depth_of_video_depth(VIDEO_MODE_DEPTH);
visualFormat.Rmask = f->Rmask;
visualFormat.Gmask = f->Gmask;
visualFormat.Bmask = f->Bmask;
Screen_blitter_init(visualFormat, true, mac_depth_of_video_depth(VIDEO_MODE_DEPTH));
// Load gray ramp to 8->16/32 expand map
if (!IsDirectMode(mode))
for (int i=0; i<256; i++)
ExpandMap[i] = SDL_MapRGB(f, i, i, i);
bool hardware_cursor = false;
#ifdef SHEEPSHAVER
hardware_cursor = video_can_change_cursor();
if (hardware_cursor) {
// Create cursor
if ((sdl_cursor = SDL_CreateCursor(MacCursor + 4, MacCursor + 36, 16, 16, 0, 0)) != NULL) {
SDL_SetCursor(sdl_cursor);
}
}
// Tell the video driver there's a change in cursor type
if (private_data)
private_data->cursorHardware = hardware_cursor;
#endif
// Hide cursor
SDL_ShowCursor(hardware_cursor);
// Set window name/class
set_window_name(STR_WINDOW_TITLE);
// Everything went well
init_ok = true;
}
driver_base::~driver_base()
{
ungrab_mouse();
@ -690,11 +763,6 @@ driver_base::~driver_base()
}
#ifdef ENABLE_VOSF
else {
if (the_host_buffer) {
D(bug(" freeing the_host_buffer at %p\n", the_host_buffer));
free(the_host_buffer);
the_host_buffer = NULL;
}
if (the_buffer_copy) {
D(bug(" freeing the_buffer_copy at %p\n", the_buffer_copy));
free(the_buffer_copy);
@ -705,6 +773,8 @@ driver_base::~driver_base()
video_vosf_exit();
}
#endif
SDL_ShowCursor(1);
}
// Palette has changed
@ -726,120 +796,8 @@ void driver_base::restore_mouse_accel(void)
{
}
/*
* Windowed display driver
*/
static bool SDL_display_opened = false;
// Open display
driver_window::driver_window(SDL_monitor_desc &m)
: driver_base(m), mouse_grabbed(false)
{
int width = VIDEO_MODE_X, height = VIDEO_MODE_Y;
int aligned_height = (height + 15) & ~15;
// Set absolute mouse mode
ADBSetRelMouseMode(mouse_grabbed);
// This is ugly:
// If we're switching resolutions (ie, not setting it for the first time),
// there's a bug in SDL where the SDL_Surface created will not be properly
// setup. The solution is to SDL_QuitSubSystem(SDL_INIT_VIDEO) before calling
// SDL_SetVideoMode for the second time (SDL_SetVideoMode will call SDL_Init()
// and all will be well). Without this, the video becomes corrupted (at least
// on Mac OS X), after the resolution switch.
if (SDL_display_opened)
SDL_QuitSubSystem(SDL_INIT_VIDEO);
// Create surface
int depth = sdl_depth_of_video_depth(VIDEO_MODE_DEPTH);
if ((s = SDL_SetVideoMode(width, height, depth, SDL_HWSURFACE)) == NULL)
return;
SDL_display_opened = true;
#ifdef ENABLE_VOSF
use_vosf = true;
// Allocate memory for frame buffer (SIZE is extended to page-boundary)
the_host_buffer = (uint8 *)s->pixels;
the_buffer_size = page_extend((aligned_height + 2) * s->pitch);
the_buffer = (uint8 *)vm_acquire_framebuffer(the_buffer_size);
the_buffer_copy = (uint8 *)malloc(the_buffer_size);
D(bug("the_buffer = %p, the_buffer_copy = %p, the_host_buffer = %p\n", the_buffer, the_buffer_copy, the_host_buffer));
// Check whether we can initialize the VOSF subsystem and it's profitable
if (!video_vosf_init(m)) {
WarningAlert(STR_VOSF_INIT_ERR);
use_vosf = false;
}
else if (!video_vosf_profitable()) {
video_vosf_exit();
printf("VOSF acceleration is not profitable on this platform, disabling it\n");
use_vosf = false;
}
if (!use_vosf) {
free(the_buffer_copy);
vm_release(the_buffer, the_buffer_size);
the_host_buffer = NULL;
}
#endif
if (!use_vosf) {
// Allocate memory for frame buffer
the_buffer_size = (aligned_height + 2) * s->pitch;
the_buffer_copy = (uint8 *)calloc(1, the_buffer_size);
the_buffer = (uint8 *)vm_acquire_framebuffer(the_buffer_size);
D(bug("the_buffer = %p, the_buffer_copy = %p\n", the_buffer, the_buffer_copy));
}
#ifdef SHEEPSHAVER
// Create cursor
if ((sdl_cursor = SDL_CreateCursor(MacCursor + 4, MacCursor + 36, 16, 16, 0, 0)) != NULL) {
SDL_SetCursor(sdl_cursor);
}
#else
// Hide cursor
SDL_ShowCursor(0);
#endif
// Set window name/class
set_window_name(STR_WINDOW_TITLE);
// Init blitting routines
SDL_PixelFormat *f = s->format;
VisualFormat visualFormat;
visualFormat.depth = depth;
visualFormat.Rmask = f->Rmask;
visualFormat.Gmask = f->Gmask;
visualFormat.Bmask = f->Bmask;
Screen_blitter_init(visualFormat, true, mac_depth_of_video_depth(VIDEO_MODE_DEPTH));
// Load gray ramp to 8->16/32 expand map
if (!IsDirectMode(mode))
for (int i=0; i<256; i++)
ExpandMap[i] = SDL_MapRGB(f, i, i, i);
// Set frame buffer base
set_mac_frame_buffer(monitor, VIDEO_MODE_DEPTH, true);
// Everything went well
init_ok = true;
}
// Close display
driver_window::~driver_window()
{
#ifdef ENABLE_VOSF
if (use_vosf)
the_host_buffer = NULL; // don't free() in driver_base dtor
#endif
if (s)
SDL_FreeSurface(s);
}
// Toggle mouse grab
void driver_window::toggle_mouse_grab(void)
void driver_base::toggle_mouse_grab(void)
{
if (mouse_grabbed)
ungrab_mouse();
@ -848,7 +806,7 @@ void driver_window::toggle_mouse_grab(void)
}
// Grab mouse, switch to relative mouse mode
void driver_window::grab_mouse(void)
void driver_base::grab_mouse(void)
{
if (!mouse_grabbed) {
SDL_GrabMode new_mode = set_grab_mode(SDL_GRAB_ON);
@ -861,7 +819,7 @@ void driver_window::grab_mouse(void)
}
// Ungrab mouse, switch to absolute mouse mode
void driver_window::ungrab_mouse(void)
void driver_base::ungrab_mouse(void)
{
if (mouse_grabbed) {
SDL_GrabMode new_mode = set_grab_mode(SDL_GRAB_OFF);
@ -873,105 +831,6 @@ void driver_window::ungrab_mouse(void)
}
}
// Mouse moved
void driver_window::mouse_moved(int x, int y)
{
mouse_last_x = x; mouse_last_y = y;
ADBMouseMoved(x, y);
}
/*
* Full-screen display driver
*/
// Open display
driver_fullscreen::driver_fullscreen(SDL_monitor_desc &m)
: driver_base(m)
{
int width = VIDEO_MODE_X, height = VIDEO_MODE_Y;
int aligned_height = (height + 15) & ~15;
// Set absolute mouse mode
ADBSetRelMouseMode(false);
// Create surface
int depth = sdl_depth_of_video_depth(VIDEO_MODE_DEPTH);
if ((s = SDL_SetVideoMode(width, height, depth, SDL_HWSURFACE | SDL_FULLSCREEN)) == NULL)
return;
#ifdef ENABLE_VOSF
use_vosf = true;
// Allocate memory for frame buffer (SIZE is extended to page-boundary)
the_host_buffer = (uint8 *)s->pixels;
the_buffer_size = page_extend((aligned_height + 2) * s->pitch);
the_buffer = (uint8 *)vm_acquire_framebuffer(the_buffer_size);
the_buffer_copy = (uint8 *)malloc(the_buffer_size);
D(bug("the_buffer = %p, the_buffer_copy = %p, the_host_buffer = %p\n", the_buffer, the_buffer_copy, the_host_buffer));
// Check whether we can initialize the VOSF subsystem and it's profitable
if (!video_vosf_init(m)) {
WarningAlert(STR_VOSF_INIT_ERR);
use_vosf = false;
}
else if (!video_vosf_profitable()) {
video_vosf_exit();
printf("VOSF acceleration is not profitable on this platform, disabling it\n");
use_vosf = false;
}
if (!use_vosf) {
free(the_buffer_copy);
vm_release(the_buffer, the_buffer_size);
the_host_buffer = NULL;
}
#endif
if (!use_vosf) {
// Allocate memory for frame buffer
the_buffer_size = (aligned_height + 2) * s->pitch;
the_buffer_copy = (uint8 *)calloc(1, the_buffer_size);
the_buffer = (uint8 *)vm_acquire_framebuffer(the_buffer_size);
D(bug("the_buffer = %p, the_buffer_copy = %p\n", the_buffer, the_buffer_copy));
}
// Hide cursor
SDL_ShowCursor(0);
// Init blitting routines
SDL_PixelFormat *f = s->format;
VisualFormat visualFormat;
visualFormat.depth = depth;
visualFormat.Rmask = f->Rmask;
visualFormat.Gmask = f->Gmask;
visualFormat.Bmask = f->Bmask;
Screen_blitter_init(visualFormat, true, mac_depth_of_video_depth(VIDEO_MODE_DEPTH));
// Load gray ramp to 8->16/32 expand map
if (!IsDirectMode(mode))
for (int i=0; i<256; i++)
ExpandMap[i] = SDL_MapRGB(f, i, i, i);
// Set frame buffer base
set_mac_frame_buffer(monitor, VIDEO_MODE_DEPTH, true);
// Everything went well
init_ok = true;
}
// Close display
driver_fullscreen::~driver_fullscreen()
{
#ifdef ENABLE_VOSF
if (use_vosf)
the_host_buffer = NULL; // don't free() in driver_base dtor
#endif
if (s)
SDL_FreeSurface(s);
// Show cursor
SDL_ShowCursor(1);
}
/*
* Initialization
*/
@ -1066,16 +925,10 @@ bool SDL_monitor_desc::video_open(void)
#endif
// Create display driver object of requested type
switch (display_type) {
case DISPLAY_WINDOW:
drv = new(std::nothrow) driver_window(*this);
break;
case DISPLAY_SCREEN:
drv = new(std::nothrow) driver_fullscreen(*this);
break;
}
drv = new(std::nothrow) driver_base(*this);
if (drv == NULL)
return false;
drv->init();
if (!drv->init_ok) {
delete drv;
drv = NULL;
@ -1361,6 +1214,55 @@ void VideoQuitFullScreen(void)
quit_full_screen = true;
}
static void do_toggle_fullscreen(void)
{
#ifndef USE_CPU_EMUL_SERVICES
// pause redraw thread
thread_stop_ack = false;
thread_stop_req = true;
while (!thread_stop_ack) ;
#endif
// save the mouse position
int x, y;
SDL_GetMouseState(&x, &y);
// save the screen contents
SDL_Surface *tmp_surface = SDL_ConvertSurface(drv->s, drv->s->format,
drv->s->flags);
// switch modes
display_type = (display_type == DISPLAY_SCREEN) ? DISPLAY_WINDOW
: DISPLAY_SCREEN;
drv->set_video_mode(display_type == DISPLAY_SCREEN ? SDL_FULLSCREEN : 0);
drv->adapt_to_video_mode();
// reset the palette
#ifdef SHEEPSHAVER
video_set_palette();
#endif
drv->update_palette();
// restore the screen contents
SDL_BlitSurface(tmp_surface, NULL, drv->s, NULL);
SDL_FreeSurface(tmp_surface);
SDL_UpdateRect(drv->s, 0, 0, 0, 0);
// reset the video refresh handler
VideoRefreshInit();
// while SetVideoMode is happening, control key up may be missed
ADBKeyUp(0x36);
// restore the mouse position
SDL_WarpMouse(x, y);
// resume redraw thread
toggle_fullscreen = false;
#ifndef USE_CPU_EMUL_SERVICES
thread_stop_req = false;
#endif
}
/*
* Mac VBL interrupt
@ -1377,6 +1279,9 @@ void VideoVBL(void)
if (emerg_quit)
QuitEmulator();
if (toggle_fullscreen)
do_toggle_fullscreen();
// Temporarily give up frame buffer lock (this is the point where
// we are suspended when the user presses Ctrl-Tab)
UNLOCK_FRAME_BUFFER;
@ -1396,6 +1301,9 @@ void VideoInterrupt(void)
if (emerg_quit)
QuitEmulator();
if (toggle_fullscreen)
do_toggle_fullscreen();
// Temporarily give up frame buffer lock (this is the point where
// we are suspended when the user presses Ctrl-Tab)
UNLOCK_FRAME_BUFFER;
@ -1536,13 +1444,13 @@ void SDL_monitor_desc::switch_to_current_mode(void)
#ifdef SHEEPSHAVER
bool video_can_change_cursor(void)
{
if (display_type != DISPLAY_WINDOW)
return false;
#if defined(__APPLE__)
static char driver[] = "Quartz?";
static int quartzok = -1;
if (display_type != DISPLAY_WINDOW)
return false;
if (quartzok < 0) {
if (SDL_VideoDriverName(driver, sizeof driver) == NULL || strncmp(driver, "Quartz", sizeof driver))
quartzok = true;
@ -1576,16 +1484,25 @@ void video_set_cursor(void)
if (sdl_cursor) {
SDL_ShowCursor(private_data == NULL || private_data->cursorVisible);
SDL_SetCursor(sdl_cursor);
#ifdef WIN32
// XXX Windows apparently needs an extra mouse event to
// make the new cursor image visible
int visible = SDL_ShowCursor(-1);
if (visible) {
int x, y;
SDL_GetMouseState(&x, &y);
SDL_WarpMouse(x, y);
}
// make the new cursor image visible.
// On Mac, if mouse is grabbed, SDL_ShowCursor() recenters the
// mouse, we have to put it back.
bool move = false;
#ifdef WIN32
move = true;
#elif defined(__APPLE__)
move = mouse_grabbed;
#endif
if (move) {
int visible = SDL_ShowCursor(-1);
if (visible) {
int x, y;
SDL_GetMouseState(&x, &y);
SDL_WarpMouse(x, y);
}
}
}
}
}
@ -1684,7 +1601,7 @@ static int kc_decode(SDL_keysym const & ks, bool key_down)
case SDLK_SLASH: case SDLK_QUESTION: return 0x2c;
case SDLK_TAB: if (is_ctrl_down(ks)) {if (!key_down) drv->suspend(); return -2;} else return 0x30;
case SDLK_RETURN: return 0x24;
case SDLK_RETURN: if (is_ctrl_down(ks)) {if (!key_down) toggle_fullscreen = true; return -2;} else return 0x24;
case SDLK_SPACE: return 0x31;
case SDLK_BACKSPACE: return 0x33;
@ -2183,7 +2100,7 @@ static void video_refresh_dga_vosf(void)
tick_counter = 0;
if (mainBuffer.dirty) {
LOCK_VOSF;
update_display_dga_vosf(static_cast<driver_fullscreen *>(drv));
update_display_dga_vosf(drv);
UNLOCK_VOSF;
}
}
@ -2201,7 +2118,7 @@ static void video_refresh_window_vosf(void)
tick_counter = 0;
if (mainBuffer.dirty) {
LOCK_VOSF;
update_display_window_vosf(static_cast<driver_window *>(drv));
update_display_window_vosf(drv);
UNLOCK_VOSF;
}
}
@ -2297,13 +2214,11 @@ static int redraw_func(void *arg)
next = GetTicks_usec();
ticks++;
#ifdef SHEEPSHAVER
// Pause if requested (during video mode switches)
if (thread_stop_req) {
thread_stop_ack = true;
continue;
}
#endif
// Process pending events and update display
do_video_refresh();

4
BasiliskII/src/Unix/video_vosf.h
View File

@ -36,8 +36,8 @@
#else
#ifdef USE_SDL_VIDEO
#define MONITOR_INIT SDL_monitor_desc &monitor
#define VIDEO_DRV_WIN_INIT driver_window *drv
#define VIDEO_DRV_DGA_INIT driver_fullscreen *drv
#define VIDEO_DRV_WIN_INIT driver_base *drv
#define VIDEO_DRV_DGA_INIT driver_base *drv
#define VIDEO_DRV_LOCK_PIXELS SDL_VIDEO_LOCK_SURFACE(drv->s)
#define VIDEO_DRV_UNLOCK_PIXELS SDL_VIDEO_UNLOCK_SURFACE(drv->s)
#define VIDEO_DRV_DEPTH drv->s->format->BitsPerPixel

16
BasiliskII/src/prefs.cpp
View File

@ -382,12 +382,15 @@ void PrefsRemoveItem(const char *name, int index)
void LoadPrefsFromStream(FILE *f)
{
char line[256];
while(fgets(line, 255, f)) {
// Read line
while(fgets(line, sizeof(line), f)) {
// Remove newline, if present
int len = strlen(line);
if (len > 0 && line[len-1] == '\n') {
line[len-1] = '\0';
len--;
}
if (len == 0)
continue;
line[len-1] = 0;
// Comments begin with "#" or ";"
if (line[0] == '#' || line[0] == ';')
@ -395,11 +398,12 @@ void LoadPrefsFromStream(FILE *f)
// Terminate string after keyword
char *p = line;
while (!isspace(*p)) p++;
*p++ = 0;
while (*p && !isspace(*p)) p++;
if (*p != '\0')
*p++ = 0;
// Skip whitespace until value
while (isspace(*p)) p++;
while (*p && isspace(*p)) p++;
char *keyword = line;
char *value = p;
int32 i = atol(value);