Mercurial > sdl-ios-xcode
diff src/video/picogui/SDL_pgvideo.c @ 1662:782fd950bd46 SDL-1.3
Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
WARNING: None of the video drivers have been updated for the new API yet! The API is still under design and very fluid.
The code is now run through a consistent indent format:
indent -i4 -nut -nsc -br -ce
The headers are being converted to automatically generate doxygen documentation.
author | Sam Lantinga <slouken@libsdl.org> |
---|---|
date | Sun, 28 May 2006 13:04:16 +0000 |
parents | 8d9bb0cf2c2a |
children | 4da1ee79c9af |
line wrap: on
line diff
--- a/src/video/picogui/SDL_pgvideo.c Sun May 21 17:27:13 2006 +0000 +++ b/src/video/picogui/SDL_pgvideo.c Sun May 28 13:04:16 2006 +0000 @@ -36,329 +36,354 @@ #define PGVID_DRIVER_NAME "picogui" /* Initialization/Query functions */ -static int PG_VideoInit(_THIS, SDL_PixelFormat *vformat); -static SDL_Rect **PG_ListModes(_THIS, SDL_PixelFormat *format, Uint32 flags); -static SDL_Surface *PG_SetVideoMode(_THIS, SDL_Surface *current, int width, int height, int bpp, Uint32 flags); -static int PG_SetColors(_THIS, int firstcolor, int ncolors, SDL_Color *colors); -static void PG_VideoQuit(_THIS); +static int PG_VideoInit (_THIS, SDL_PixelFormat * vformat); +static SDL_Rect **PG_ListModes (_THIS, SDL_PixelFormat * format, + Uint32 flags); +static SDL_Surface *PG_SetVideoMode (_THIS, SDL_Surface * current, int width, + int height, int bpp, Uint32 flags); +static int PG_SetColors (_THIS, int firstcolor, int ncolors, + SDL_Color * colors); +static void PG_VideoQuit (_THIS); /* Hardware surface functions */ -static int PG_AllocHWSurface(_THIS, SDL_Surface *surface); -static int PG_LockHWSurface(_THIS, SDL_Surface *surface); -static void PG_UnlockHWSurface(_THIS, SDL_Surface *surface); -static void PG_FreeHWSurface(_THIS, SDL_Surface *surface); +static int PG_AllocHWSurface (_THIS, SDL_Surface * surface); +static int PG_LockHWSurface (_THIS, SDL_Surface * surface); +static void PG_UnlockHWSurface (_THIS, SDL_Surface * surface); +static void PG_FreeHWSurface (_THIS, SDL_Surface * surface); /* etc. */ -static void PG_UpdateRects(_THIS, int numrects, SDL_Rect *rects); +static void PG_UpdateRects (_THIS, int numrects, SDL_Rect * rects); // The implementation dependent data for the window manager cursor -struct WMcursor { - /* Our cursor is a PicoGUI theme */ - pghandle theme; -} ; +struct WMcursor +{ + /* Our cursor is a PicoGUI theme */ + pghandle theme; +}; /* WM functions */ -void PG_SetCaption(_THIS, const char *title, const char *icon); -WMcursor * PG_CreateWMCursor (_THIS,Uint8 * data, Uint8 * mask, - int w, int h, int hot_x, int hot_y); +void PG_SetCaption (_THIS, const char *title, const char *icon); +WMcursor *PG_CreateWMCursor (_THIS, Uint8 * data, Uint8 * mask, + int w, int h, int hot_x, int hot_y); void PG_FreeWMCursor (_THIS, WMcursor * cursor); -void PG_WarpWMCursor(_THIS, Uint16 x, Uint16 y); +void PG_WarpWMCursor (_THIS, Uint16 x, Uint16 y); int PG_ShowWMCursor (_THIS, WMcursor * cursor); /* PicoGUI driver bootstrap functions */ -static int PG_Available(void) +static int +PG_Available (void) { - /* FIXME: The current client lib doesn't give a way to see if the picogui - * server is reachable without causing a fatal error if it isn't. - * This should be fixed in cli_c2, but until then assume we can - * connect. Since more common drivers like X11 are probed first anyway, - * this shouldn't be a huge problem. - */ - return(1); + /* FIXME: The current client lib doesn't give a way to see if the picogui + * server is reachable without causing a fatal error if it isn't. + * This should be fixed in cli_c2, but until then assume we can + * connect. Since more common drivers like X11 are probed first anyway, + * this shouldn't be a huge problem. + */ + return (1); } -static void PG_DeleteDevice(SDL_VideoDevice *device) +static void +PG_DeleteDevice (SDL_VideoDevice * device) { - SDL_free(device->hidden); - SDL_free(device); + SDL_free (device->hidden); + SDL_free (device); } -static SDL_VideoDevice *PG_CreateDevice(int devindex) +static SDL_VideoDevice * +PG_CreateDevice (int devindex) { - SDL_VideoDevice *device; + SDL_VideoDevice *device; - /* Initialize all variables that we clean on shutdown */ - device = (SDL_VideoDevice *)SDL_malloc(sizeof(SDL_VideoDevice)); - if ( device ) { - SDL_memset(device, 0, (sizeof *device)); - device->hidden = (struct SDL_PrivateVideoData *) - SDL_malloc((sizeof *device->hidden)); - } - if ( (device == NULL) || (device->hidden == NULL) ) { - SDL_OutOfMemory(); - if ( device ) { - SDL_free(device); - } - return(0); - } - SDL_memset(device->hidden, 0, (sizeof *device->hidden)); + /* Initialize all variables that we clean on shutdown */ + device = (SDL_VideoDevice *) SDL_malloc (sizeof (SDL_VideoDevice)); + if (device) { + SDL_memset (device, 0, (sizeof *device)); + device->hidden = (struct SDL_PrivateVideoData *) + SDL_malloc ((sizeof *device->hidden)); + } + if ((device == NULL) || (device->hidden == NULL)) { + SDL_OutOfMemory (); + if (device) { + SDL_free (device); + } + return (0); + } + SDL_memset (device->hidden, 0, (sizeof *device->hidden)); - /* Set the function pointers */ - device->VideoInit = PG_VideoInit; - device->ListModes = PG_ListModes; - device->SetVideoMode = PG_SetVideoMode; - device->CreateYUVOverlay = NULL; - device->SetColors = PG_SetColors; - device->UpdateRects = PG_UpdateRects; - device->VideoQuit = PG_VideoQuit; - device->AllocHWSurface = PG_AllocHWSurface; - device->CheckHWBlit = NULL; - device->FillHWRect = NULL; - device->SetHWColorKey = NULL; - device->SetHWAlpha = NULL; - device->LockHWSurface = PG_LockHWSurface; - device->UnlockHWSurface = PG_UnlockHWSurface; - device->FlipHWSurface = NULL; - device->FreeHWSurface = PG_FreeHWSurface; - device->SetCaption = PG_SetCaption; - device->SetIcon = NULL; - device->IconifyWindow = NULL; - device->GrabInput = NULL; + /* Set the function pointers */ + device->VideoInit = PG_VideoInit; + device->ListModes = PG_ListModes; + device->SetVideoMode = PG_SetVideoMode; + device->CreateYUVOverlay = NULL; + device->SetColors = PG_SetColors; + device->UpdateRects = PG_UpdateRects; + device->VideoQuit = PG_VideoQuit; + device->AllocHWSurface = PG_AllocHWSurface; + device->CheckHWBlit = NULL; + device->FillHWRect = NULL; + device->SetHWColorKey = NULL; + device->SetHWAlpha = NULL; + device->LockHWSurface = PG_LockHWSurface; + device->UnlockHWSurface = PG_UnlockHWSurface; + device->FlipHWSurface = NULL; + device->FreeHWSurface = PG_FreeHWSurface; + device->SetCaption = PG_SetCaption; + device->SetIcon = NULL; + device->IconifyWindow = NULL; + device->GrabInput = NULL; - device->PumpEvents = PG_PumpEvents; - device->InitOSKeymap = PG_InitOSKeymap; + device->PumpEvents = PG_PumpEvents; + device->InitOSKeymap = PG_InitOSKeymap; - device->ShowWMCursor = PG_ShowWMCursor; - device->CreateWMCursor = PG_CreateWMCursor; - device->FreeWMCursor = PG_FreeWMCursor; - device->WarpWMCursor = PG_WarpWMCursor; + device->ShowWMCursor = PG_ShowWMCursor; + device->CreateWMCursor = PG_CreateWMCursor; + device->FreeWMCursor = PG_FreeWMCursor; + device->WarpWMCursor = PG_WarpWMCursor; - device->free = PG_DeleteDevice; + device->free = PG_DeleteDevice; - return device; + return device; } VideoBootStrap PG_bootstrap = { - PGVID_DRIVER_NAME, "PicoGUI SDL driver", - PG_Available, PG_CreateDevice + PGVID_DRIVER_NAME, "PicoGUI SDL driver", + PG_Available, PG_CreateDevice }; -int PG_VideoInit(_THIS, SDL_PixelFormat *vformat) +int +PG_VideoInit (_THIS, SDL_PixelFormat * vformat) { - /* Connect to the PicoGUI server. No way to process command line args yet, - * but since this is based on SHM it's not important to be able to specify - * a remote PicoGUI server. - * - * FIXME: Another nitpick about the current client lib is there's no - * clean way to indicate that command line args are not available. - */ - pgInit(0,(char**)""); - this->hidden->mi = *pgGetVideoMode(); + /* Connect to the PicoGUI server. No way to process command line args yet, + * but since this is based on SHM it's not important to be able to specify + * a remote PicoGUI server. + * + * FIXME: Another nitpick about the current client lib is there's no + * clean way to indicate that command line args are not available. + */ + pgInit (0, (char **) ""); + this->hidden->mi = *pgGetVideoMode (); + + /* Create a picogui application and canvas. We'll populate the canvas later. */ + this->hidden->wApp = pgRegisterApp (PG_APP_NORMAL, "SDL", 0); + this->hidden->wCanvas = pgNewWidget (PG_WIDGET_CANVAS, 0, 0); + pgSetWidget (PGDEFAULT, PG_WP_SIDE, PG_S_ALL, 0); - /* Create a picogui application and canvas. We'll populate the canvas later. */ - this->hidden->wApp = pgRegisterApp(PG_APP_NORMAL,"SDL",0); - this->hidden->wCanvas = pgNewWidget(PG_WIDGET_CANVAS,0,0); - pgSetWidget(PGDEFAULT, - PG_WP_SIDE, PG_S_ALL, - 0); + PG_InitEvents (this); - PG_InitEvents(this); + /* Determine the current screen size */ + this->info.current_w = this->hidden->mi.lxres; + this->info.current_h = this->hidden->mi.lyres; - /* Determine the current screen size */ - this->info.current_w = this->hidden->mi.lxres; - this->info.current_h = this->hidden->mi.lyres; + /* Determine the screen depth. + * We change this during the SDL_SetVideoMode implementation... + * Round up to the nearest Bytes per pixel + */ + vformat->BitsPerPixel = this->hidden->mi.bpp; + vformat->BytesPerPixel = this->hidden->mi.bpp >> 3; + if (this->hidden->mi.bpp & 7) + vformat->BytesPerPixel++; - /* Determine the screen depth. - * We change this during the SDL_SetVideoMode implementation... - * Round up to the nearest Bytes per pixel - */ - vformat->BitsPerPixel = this->hidden->mi.bpp; - vformat->BytesPerPixel = this->hidden->mi.bpp >> 3; - if (this->hidden->mi.bpp & 7) - vformat->BytesPerPixel++; - - /* We're done! */ - return(0); + /* We're done! */ + return (0); } -SDL_Rect **PG_ListModes(_THIS, SDL_PixelFormat *format, Uint32 flags) +SDL_Rect ** +PG_ListModes (_THIS, SDL_PixelFormat * format, Uint32 flags) { - return (SDL_Rect **) -1; + return (SDL_Rect **) - 1; } -SDL_Surface *PG_SetVideoMode(_THIS, SDL_Surface *current, - int width, int height, int bpp, Uint32 flags) +SDL_Surface * +PG_SetVideoMode (_THIS, SDL_Surface * current, + int width, int height, int bpp, Uint32 flags) { - if ( this->hidden->bitmap ) { - /* Free old bitmap */ - if (current->pixels) { - shmdt(current->pixels); - current->pixels = NULL; - } - pgDelete(this->hidden->bitmap); - } + if (this->hidden->bitmap) { + /* Free old bitmap */ + if (current->pixels) { + shmdt (current->pixels); + current->pixels = NULL; + } + pgDelete (this->hidden->bitmap); + } + + /* Allocate the new pixel format for the screen */ + if (!SDL_ReallocFormat (current, bpp, 0, 0, 0, 0)) { + SDL_SetError + ("Couldn't allocate new pixel format for requested mode"); + return (NULL); + } - /* Allocate the new pixel format for the screen */ - if ( ! SDL_ReallocFormat(current, bpp, 0, 0, 0, 0) ) { - SDL_SetError("Couldn't allocate new pixel format for requested mode"); - return(NULL); - } + /* Create a new picogui bitmap */ + this->hidden->bitmap = pgCreateBitmap (width, height); + this->hidden->shm = *pgMakeSHMBitmap (this->hidden->bitmap); + current->pixels = shmat (shmget (this->hidden->shm.shm_key, + this->hidden->shm.shm_length, 0), NULL, + 0); - /* Create a new picogui bitmap */ - this->hidden->bitmap = pgCreateBitmap(width,height); - this->hidden->shm = *pgMakeSHMBitmap(this->hidden->bitmap); - current->pixels = shmat(shmget(this->hidden->shm.shm_key, - this->hidden->shm.shm_length,0),NULL,0); + /* Reset the canvas, and draw persistent and incremental grops. + * Use mapping and offsets to center it. + */ + + pgWriteCmd (this->hidden->wCanvas, PGCANVAS_NUKE, 0); - /* Reset the canvas, and draw persistent and incremental grops. - * Use mapping and offsets to center it. - */ - - pgWriteCmd(this->hidden->wCanvas, PGCANVAS_NUKE, 0); - - /* 0. Set the source position during incremental rendering - */ - pgWriteCmd(this->hidden->wCanvas, PGCANVAS_GROP, 5, PG_GROP_SETSRC,0,0,0,0); - pgWriteCmd(this->hidden->wCanvas, PGCANVAS_GROPFLAGS, 1, PG_GROPF_INCREMENTAL); + /* 0. Set the source position during incremental rendering + */ + pgWriteCmd (this->hidden->wCanvas, PGCANVAS_GROP, 5, PG_GROP_SETSRC, 0, 0, + 0, 0); + pgWriteCmd (this->hidden->wCanvas, PGCANVAS_GROPFLAGS, 1, + PG_GROPF_INCREMENTAL); - /* 1. Incremental bitmap rendering - */ - pgWriteCmd(this->hidden->wCanvas, PGCANVAS_GROP, 6, PG_GROP_BITMAP, - 0,0,0,0,this->hidden->bitmap); - pgWriteCmd(this->hidden->wCanvas, PGCANVAS_GROPFLAGS, 1, PG_GROPF_INCREMENTAL); + /* 1. Incremental bitmap rendering + */ + pgWriteCmd (this->hidden->wCanvas, PGCANVAS_GROP, 6, PG_GROP_BITMAP, + 0, 0, 0, 0, this->hidden->bitmap); + pgWriteCmd (this->hidden->wCanvas, PGCANVAS_GROPFLAGS, 1, + PG_GROPF_INCREMENTAL); - /* 2. Normal bitmap rendering - */ - pgWriteCmd(this->hidden->wCanvas, PGCANVAS_GROP, 6, PG_GROP_BITMAP, - 0,0,this->hidden->shm.width,this->hidden->shm.height,this->hidden->bitmap); - - /* Set up the new mode framebuffer */ - current->flags = 0; - current->w = this->hidden->shm.width; - current->h = this->hidden->shm.height; - current->pitch = this->hidden->shm.pitch; + /* 2. Normal bitmap rendering + */ + pgWriteCmd (this->hidden->wCanvas, PGCANVAS_GROP, 6, PG_GROP_BITMAP, + 0, 0, this->hidden->shm.width, this->hidden->shm.height, + this->hidden->bitmap); + + /* Set up the new mode framebuffer */ + current->flags = 0; + current->w = this->hidden->shm.width; + current->h = this->hidden->shm.height; + current->pitch = this->hidden->shm.pitch; - /* Set up pixel format */ - current->format->BitsPerPixel = this->hidden->shm.bpp; - current->format->BytesPerPixel = this->hidden->shm.bpp >> 3; - if (this->hidden->shm.bpp & 7) - current->format->BytesPerPixel++; - current->format->palette = NULL; - current->format->Rmask = this->hidden->shm.red_mask; - current->format->Gmask = this->hidden->shm.green_mask; - current->format->Bmask = this->hidden->shm.blue_mask; - current->format->Amask = this->hidden->shm.alpha_mask; - current->format->Rshift = this->hidden->shm.red_shift; - current->format->Gshift = this->hidden->shm.green_shift; - current->format->Bshift = this->hidden->shm.blue_shift; - current->format->Ashift = this->hidden->shm.alpha_shift; - current->format->Rloss = 8 - this->hidden->shm.red_length; - current->format->Gloss = 8 - this->hidden->shm.green_length; - current->format->Bloss = 8 - this->hidden->shm.blue_length; - current->format->Aloss = 8 - this->hidden->shm.alpha_length; + /* Set up pixel format */ + current->format->BitsPerPixel = this->hidden->shm.bpp; + current->format->BytesPerPixel = this->hidden->shm.bpp >> 3; + if (this->hidden->shm.bpp & 7) + current->format->BytesPerPixel++; + current->format->palette = NULL; + current->format->Rmask = this->hidden->shm.red_mask; + current->format->Gmask = this->hidden->shm.green_mask; + current->format->Bmask = this->hidden->shm.blue_mask; + current->format->Amask = this->hidden->shm.alpha_mask; + current->format->Rshift = this->hidden->shm.red_shift; + current->format->Gshift = this->hidden->shm.green_shift; + current->format->Bshift = this->hidden->shm.blue_shift; + current->format->Ashift = this->hidden->shm.alpha_shift; + current->format->Rloss = 8 - this->hidden->shm.red_length; + current->format->Gloss = 8 - this->hidden->shm.green_length; + current->format->Bloss = 8 - this->hidden->shm.blue_length; + current->format->Aloss = 8 - this->hidden->shm.alpha_length; - /* Draw the app */ - pgUpdate(); + /* Draw the app */ + pgUpdate (); - /* We're done */ - return(current); + /* We're done */ + return (current); } /* We don't actually allow hardware surfaces other than the main one */ -static int PG_AllocHWSurface(_THIS, SDL_Surface *surface) +static int +PG_AllocHWSurface (_THIS, SDL_Surface * surface) { - return(-1); + return (-1); } -static void PG_FreeHWSurface(_THIS, SDL_Surface *surface) +static void +PG_FreeHWSurface (_THIS, SDL_Surface * surface) { - return; + return; } /* We need to wait for vertical retrace on page flipped displays */ -static int PG_LockHWSurface(_THIS, SDL_Surface *surface) +static int +PG_LockHWSurface (_THIS, SDL_Surface * surface) { - return(0); + return (0); } -static void PG_UnlockHWSurface(_THIS, SDL_Surface *surface) +static void +PG_UnlockHWSurface (_THIS, SDL_Surface * surface) { - return; + return; } -static void PG_UpdateRects(_THIS, int numrects, SDL_Rect *rects) +static void +PG_UpdateRects (_THIS, int numrects, SDL_Rect * rects) { - int i; - - for (i = 0; i < numrects; i++) { - if (rects[i].w <= 0 || rects[i].h <= 0) - continue; + int i; + + for (i = 0; i < numrects; i++) { + if (rects[i].w <= 0 || rects[i].h <= 0) + continue; - /* Schedule an incremental update for this rectangle, using - * the canvas gropnodes we've loaded beforehand. - */ - pgWriteCmd(this->hidden->wCanvas, PGCANVAS_FINDGROP, 1, 0); - pgWriteCmd(this->hidden->wCanvas, PGCANVAS_MOVEGROP, 4, - rects[i].x, rects[i].y, - rects[i].w, rects[i].h); - pgWriteCmd(this->hidden->wCanvas, PGCANVAS_FINDGROP, 1, 1); - pgWriteCmd(this->hidden->wCanvas, PGCANVAS_MOVEGROP, 4, - rects[i].x, rects[i].y, - rects[i].w, rects[i].h); - - /* Go perform the update */ - pgWriteCmd(this->hidden->wCanvas, PGCANVAS_INCREMENTAL, 0); - pgSubUpdate(this->hidden->wCanvas); - } + /* Schedule an incremental update for this rectangle, using + * the canvas gropnodes we've loaded beforehand. + */ + pgWriteCmd (this->hidden->wCanvas, PGCANVAS_FINDGROP, 1, 0); + pgWriteCmd (this->hidden->wCanvas, PGCANVAS_MOVEGROP, 4, + rects[i].x, rects[i].y, rects[i].w, rects[i].h); + pgWriteCmd (this->hidden->wCanvas, PGCANVAS_FINDGROP, 1, 1); + pgWriteCmd (this->hidden->wCanvas, PGCANVAS_MOVEGROP, 4, + rects[i].x, rects[i].y, rects[i].w, rects[i].h); + + /* Go perform the update */ + pgWriteCmd (this->hidden->wCanvas, PGCANVAS_INCREMENTAL, 0); + pgSubUpdate (this->hidden->wCanvas); + } } -int PG_SetColors(_THIS, int firstcolor, int ncolors, SDL_Color *colors) +int +PG_SetColors (_THIS, int firstcolor, int ncolors, SDL_Color * colors) { - /* do nothing of note. */ - return(1); + /* do nothing of note. */ + return (1); } /* Note: If we are terminated, this could be called in the middle of another SDL video routine -- notably UpdateRects. */ -void PG_VideoQuit(_THIS) +void +PG_VideoQuit (_THIS) { - if (this->screen->pixels != NULL) - { - shmdt(this->screen->pixels); - this->screen->pixels = NULL; - pgDelete(this->hidden->bitmap); - } - pgDelete(this->hidden->wCanvas); - pgDelete(this->hidden->wApp); + if (this->screen->pixels != NULL) { + shmdt (this->screen->pixels); + this->screen->pixels = NULL; + pgDelete (this->hidden->bitmap); + } + pgDelete (this->hidden->wCanvas); + pgDelete (this->hidden->wApp); } -void PG_SetCaption(_THIS, const char *title, const char *icon) +void +PG_SetCaption (_THIS, const char *title, const char *icon) { - if (title != NULL) - pgReplaceText(this->hidden->wApp, title); - pgUpdate(); + if (title != NULL) + pgReplaceText (this->hidden->wApp, title); + pgUpdate (); } /* FIXME: The cursor stuff isn't implemented yet! */ -WMcursor * PG_CreateWMCursor (_THIS,Uint8 * data, Uint8 * mask, - int w, int h, int hot_x, int hot_y) +WMcursor * +PG_CreateWMCursor (_THIS, Uint8 * data, Uint8 * mask, + int w, int h, int hot_x, int hot_y) { - static WMcursor dummy; - return &dummy; + static WMcursor dummy; + return &dummy; } -void PG_FreeWMCursor (_THIS, WMcursor * cursor) +void +PG_FreeWMCursor (_THIS, WMcursor * cursor) { } -void PG_WarpWMCursor(_THIS, Uint16 x, Uint16 y) +void +PG_WarpWMCursor (_THIS, Uint16 x, Uint16 y) { } -int PG_ShowWMCursor (_THIS, WMcursor * cursor) +int +PG_ShowWMCursor (_THIS, WMcursor * cursor) { - return 1; + return 1; } + +/* vi: set ts=4 sw=4 expandtab: */