Mercurial > sdl-ios-xcode
diff src/video/ggi/SDL_ggivideo.c @ 1895:c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
author | Sam Lantinga <slouken@libsdl.org> |
---|---|
date | Mon, 10 Jul 2006 21:04:37 +0000 |
parents | 8d9bb0cf2c2a |
children |
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--- a/src/video/ggi/SDL_ggivideo.c Thu Jul 06 18:01:37 2006 +0000 +++ b/src/video/ggi/SDL_ggivideo.c Mon Jul 10 21:04:37 2006 +0000 @@ -43,336 +43,358 @@ struct private_hwdata { - ggi_visual_t vis; + ggi_visual_t vis; }; ggi_visual_t VIS; /* Initialization/Query functions */ -static int GGI_VideoInit(_THIS, SDL_PixelFormat *vformat); -static SDL_Rect **GGI_ListModes(_THIS, SDL_PixelFormat *format, Uint32 flags); -static SDL_Surface *GGI_SetVideoMode(_THIS, SDL_Surface *current, int width, int height, int bpp, Uint32 flags); +static int GGI_VideoInit(_THIS, SDL_PixelFormat * vformat); +static SDL_Rect **GGI_ListModes(_THIS, SDL_PixelFormat * format, + Uint32 flags); +static SDL_Surface *GGI_SetVideoMode(_THIS, SDL_Surface * current, int width, + int height, int bpp, Uint32 flags); static int GGI_SetColors(_THIS, int firstcolor, int ncolors, - SDL_Color *colors); + SDL_Color * colors); static void GGI_VideoQuit(_THIS); /* Hardware surface functions */ -static int GGI_AllocHWSurface(_THIS, SDL_Surface *surface); -static int GGI_LockHWSurface(_THIS, SDL_Surface *surface); -static void GGI_UnlockHWSurface(_THIS, SDL_Surface *surface); -static void GGI_FreeHWSurface(_THIS, SDL_Surface *surface); +static int GGI_AllocHWSurface(_THIS, SDL_Surface * surface); +static int GGI_LockHWSurface(_THIS, SDL_Surface * surface); +static void GGI_UnlockHWSurface(_THIS, SDL_Surface * surface); +static void GGI_FreeHWSurface(_THIS, SDL_Surface * surface); /* GGI driver bootstrap functions */ -static int GGI_Available(void) +static int +GGI_Available(void) { - ggi_visual_t *vis; + ggi_visual_t *vis; - vis = NULL; - if (ggiInit() == 0) { - vis = ggiOpen(NULL); - if (vis != NULL) { - ggiClose(vis); - } - } - return (vis != NULL); + vis = NULL; + if (ggiInit() == 0) { + vis = ggiOpen(NULL); + if (vis != NULL) { + ggiClose(vis); + } + } + return (vis != NULL); } -static void GGI_DeleteDevice(SDL_VideoDevice *device) +static void +GGI_DeleteDevice(SDL_VideoDevice * device) { - SDL_free(device->hidden); - SDL_free(device); + SDL_free(device->hidden); + SDL_free(device); } -static SDL_VideoDevice *GGI_CreateDevice(int devindex) +static SDL_VideoDevice * +GGI_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 = GGI_VideoInit; - device->ListModes = GGI_ListModes; - device->SetVideoMode = GGI_SetVideoMode; - device->SetColors = GGI_SetColors; - device->UpdateRects = NULL; - device->VideoQuit = GGI_VideoQuit; - device->AllocHWSurface = GGI_AllocHWSurface; - device->CheckHWBlit = NULL; - device->FillHWRect = NULL; - device->SetHWColorKey = NULL; - device->SetHWAlpha = NULL; - device->LockHWSurface = GGI_LockHWSurface; - device->UnlockHWSurface = GGI_UnlockHWSurface; - device->FlipHWSurface = NULL; - device->FreeHWSurface = GGI_FreeHWSurface; - device->SetCaption = NULL; - device->SetIcon = NULL; - device->IconifyWindow = NULL; - device->GrabInput = NULL; - device->GetWMInfo = NULL; - device->InitOSKeymap = GGI_InitOSKeymap; - device->PumpEvents = GGI_PumpEvents; + /* Set the function pointers */ + device->VideoInit = GGI_VideoInit; + device->ListModes = GGI_ListModes; + device->SetVideoMode = GGI_SetVideoMode; + device->SetColors = GGI_SetColors; + device->UpdateRects = NULL; + device->VideoQuit = GGI_VideoQuit; + device->AllocHWSurface = GGI_AllocHWSurface; + device->CheckHWBlit = NULL; + device->FillHWRect = NULL; + device->SetHWColorKey = NULL; + device->SetHWAlpha = NULL; + device->LockHWSurface = GGI_LockHWSurface; + device->UnlockHWSurface = GGI_UnlockHWSurface; + device->FlipHWSurface = NULL; + device->FreeHWSurface = GGI_FreeHWSurface; + device->SetCaption = NULL; + device->SetIcon = NULL; + device->IconifyWindow = NULL; + device->GrabInput = NULL; + device->GetWMInfo = NULL; + device->InitOSKeymap = GGI_InitOSKeymap; + device->PumpEvents = GGI_PumpEvents; - device->free = GGI_DeleteDevice; + device->free = GGI_DeleteDevice; - return device; + return device; } VideoBootStrap GGI_bootstrap = { - "ggi", "General Graphics Interface (GGI)", - GGI_Available, GGI_CreateDevice + "ggi", "General Graphics Interface (GGI)", + GGI_Available, GGI_CreateDevice }; static SDL_Rect video_mode; static SDL_Rect *SDL_modelist[4] = { NULL, NULL, NULL, NULL }; -int GGI_VideoInit(_THIS, SDL_PixelFormat *vformat) +int +GGI_VideoInit(_THIS, SDL_PixelFormat * vformat) { - ggi_mode mode = - { - 1, - { GGI_AUTO, GGI_AUTO }, - { GGI_AUTO, GGI_AUTO }, - { 0, 0 }, - GT_AUTO, - { GGI_AUTO, GGI_AUTO } - }; - struct private_hwdata *priv; - ggi_color pal[256], map[256]; - const ggi_directbuffer *db; - int err, num_bufs; - ggi_pixel white, black; - - priv = SDL_malloc(sizeof(struct private_hwdata)); - if (priv == NULL) - { - SDL_SetError("Unhandled GGI mode type!\n"); - GGI_VideoQuit(NULL); - } - - if (ggiInit() != 0) - { - SDL_SetError("Unable to initialize GGI!\n"); - GGI_VideoQuit(NULL); - } - - VIS = ggiOpen(NULL); - if (VIS == NULL) - { - SDL_SetError("Unable to open default GGI visual!\n"); - ggiExit(); - GGI_VideoQuit(NULL); - } - - ggiSetFlags(VIS, GGIFLAG_ASYNC); - - /* Validate mode, autodetecting any GGI_AUTO or GT_AUTO fields */ - ggiCheckMode(VIS, &mode); - - /* At this point we should have a valid mode - try to set it */ - err = ggiSetMode(VIS, &mode); - - /* If we couldn't set _any_ modes, something is very wrong */ - if (err) - { - SDL_SetError("Can't set a mode!\n"); - ggiClose(VIS); - ggiExit(); - GGI_VideoQuit(NULL); - } + ggi_mode mode = { + 1, + {GGI_AUTO, GGI_AUTO}, + {GGI_AUTO, GGI_AUTO}, + {0, 0}, + GT_AUTO, + {GGI_AUTO, GGI_AUTO} + }; + struct private_hwdata *priv; + ggi_color pal[256], map[256]; + const ggi_directbuffer *db; + int err, num_bufs; + ggi_pixel white, black; + + priv = SDL_malloc(sizeof(struct private_hwdata)); + if (priv == NULL) { + SDL_SetError("Unhandled GGI mode type!\n"); + GGI_VideoQuit(NULL); + } + + if (ggiInit() != 0) { + SDL_SetError("Unable to initialize GGI!\n"); + GGI_VideoQuit(NULL); + } + + VIS = ggiOpen(NULL); + if (VIS == NULL) { + SDL_SetError("Unable to open default GGI visual!\n"); + ggiExit(); + GGI_VideoQuit(NULL); + } + + ggiSetFlags(VIS, GGIFLAG_ASYNC); + + /* Validate mode, autodetecting any GGI_AUTO or GT_AUTO fields */ + ggiCheckMode(VIS, &mode); + + /* At this point we should have a valid mode - try to set it */ + err = ggiSetMode(VIS, &mode); - /* Determine the current screen size */ - this->info.current_w = mode.virt.x; - this->info.current_h = mode.virt.y; + /* If we couldn't set _any_ modes, something is very wrong */ + if (err) { + SDL_SetError("Can't set a mode!\n"); + ggiClose(VIS); + ggiExit(); + GGI_VideoQuit(NULL); + } - /* Set a palette for palletized modes */ - if (GT_SCHEME(mode.graphtype) == GT_PALETTE) - { - ggiSetColorfulPalette(VIS); - ggiGetPalette(VIS, 0, 1 << vformat->BitsPerPixel, pal); - } - - /* Now we try to get the DirectBuffer info, which determines whether - * SDL can access hardware surfaces directly. */ - - num_bufs = ggiDBGetNumBuffers(VIS); + /* Determine the current screen size */ + this->info.current_w = mode.virt.x; + this->info.current_h = mode.virt.y; + + /* Set a palette for palletized modes */ + if (GT_SCHEME(mode.graphtype) == GT_PALETTE) { + ggiSetColorfulPalette(VIS); + ggiGetPalette(VIS, 0, 1 << vformat->BitsPerPixel, pal); + } + + /* Now we try to get the DirectBuffer info, which determines whether + * SDL can access hardware surfaces directly. */ + + num_bufs = ggiDBGetNumBuffers(VIS); - if (num_bufs > 0) - { - db = ggiDBGetBuffer(VIS, 0); /* Only handle one DB for now */ - - vformat->BitsPerPixel = db->buffer.plb.pixelformat->depth; - - vformat->Rmask = db->buffer.plb.pixelformat->red_mask; - vformat->Gmask = db->buffer.plb.pixelformat->green_mask; - vformat->Bmask = db->buffer.plb.pixelformat->blue_mask; - - /* Fill in our hardware acceleration capabilities */ - - this->info.wm_available = 0; - this->info.hw_available = 1; - this->info.video_mem = db->buffer.plb.stride * mode.virt.y; - } + if (num_bufs > 0) { + db = ggiDBGetBuffer(VIS, 0); /* Only handle one DB for now */ + + vformat->BitsPerPixel = db->buffer.plb.pixelformat->depth; + + vformat->Rmask = db->buffer.plb.pixelformat->red_mask; + vformat->Gmask = db->buffer.plb.pixelformat->green_mask; + vformat->Bmask = db->buffer.plb.pixelformat->blue_mask; + + /* Fill in our hardware acceleration capabilities */ - video_mode.x = 0; - video_mode.y = 0; - video_mode.w = mode.virt.x; - video_mode.h = mode.virt.y; - SDL_modelist[((vformat->BitsPerPixel + 7) / 8) - 1] = &video_mode; + this->info.wm_available = 0; + this->info.hw_available = 1; + this->info.video_mem = db->buffer.plb.stride * mode.virt.y; + } - /* We're done! */ - return(0); + video_mode.x = 0; + video_mode.y = 0; + video_mode.w = mode.virt.x; + video_mode.h = mode.virt.y; + SDL_modelist[((vformat->BitsPerPixel + 7) / 8) - 1] = &video_mode; + + /* We're done! */ + return (0); } -static SDL_Rect **GGI_ListModes(_THIS, SDL_PixelFormat *format, Uint32 flags) +static SDL_Rect ** +GGI_ListModes(_THIS, SDL_PixelFormat * format, Uint32 flags) { - return(&SDL_modelist[((format->BitsPerPixel + 7) / 8) - 1]); + return (&SDL_modelist[((format->BitsPerPixel + 7) / 8) - 1]); } /* Various screen update functions available */ -static void GGI_DirectUpdate(_THIS, int numrects, SDL_Rect *rects); +static void GGI_DirectUpdate(_THIS, int numrects, SDL_Rect * rects); -SDL_Surface *GGI_SetVideoMode(_THIS, SDL_Surface *current, int width, int height, int bpp, Uint32 flags) +SDL_Surface * +GGI_SetVideoMode(_THIS, SDL_Surface * current, int width, int height, + int bpp, Uint32 flags) { - ggi_mode mode = - { - 1, - { GGI_AUTO, GGI_AUTO }, - { GGI_AUTO, GGI_AUTO }, - { 0, 0 }, - GT_AUTO, - { GGI_AUTO, GGI_AUTO } - }; - const ggi_directbuffer *db; - ggi_color pal[256]; - int err; + ggi_mode mode = { + 1, + {GGI_AUTO, GGI_AUTO}, + {GGI_AUTO, GGI_AUTO}, + {0, 0}, + GT_AUTO, + {GGI_AUTO, GGI_AUTO} + }; + const ggi_directbuffer *db; + ggi_color pal[256]; + int err; + + fprintf(stderr, "GGI_SetVideoMode()\n"); + + mode.visible.x = mode.virt.x = width; + mode.visible.y = mode.virt.y = height; - fprintf(stderr, "GGI_SetVideoMode()\n"); - - mode.visible.x = mode.virt.x = width; - mode.visible.y = mode.virt.y = height; - - /* Translate requested SDL bit depth into a GGI mode */ - switch (bpp) - { - case 1: mode.graphtype = GT_1BIT; break; - case 2: mode.graphtype = GT_2BIT; break; - case 4: mode.graphtype = GT_4BIT; break; - case 8: mode.graphtype = GT_8BIT; break; - case 15: mode.graphtype = GT_15BIT; break; - case 16: mode.graphtype = GT_16BIT; break; - case 24: mode.graphtype = GT_24BIT; break; - case 32: mode.graphtype = GT_32BIT; break; - default: - SDL_SetError("Unknown SDL bit depth, using GT_AUTO....\n"); - mode.graphtype = GT_AUTO; - } - - /* Validate mode, autodetecting any GGI_AUTO or GT_AUTO fields */ - ggiCheckMode(VIS, &mode); - - /* At this point we should have a valid mode - try to set it */ - err = ggiSetMode(VIS, &mode); + /* Translate requested SDL bit depth into a GGI mode */ + switch (bpp) { + case 1: + mode.graphtype = GT_1BIT; + break; + case 2: + mode.graphtype = GT_2BIT; + break; + case 4: + mode.graphtype = GT_4BIT; + break; + case 8: + mode.graphtype = GT_8BIT; + break; + case 15: + mode.graphtype = GT_15BIT; + break; + case 16: + mode.graphtype = GT_16BIT; + break; + case 24: + mode.graphtype = GT_24BIT; + break; + case 32: + mode.graphtype = GT_32BIT; + break; + default: + SDL_SetError("Unknown SDL bit depth, using GT_AUTO....\n"); + mode.graphtype = GT_AUTO; + } - /* If we couldn't set _any_ modes, something is very wrong */ - if (err) - { - SDL_SetError("Can't set a mode!\n"); - ggiClose(VIS); - ggiExit(); - GGI_VideoQuit(NULL); - } - - /* Set a palette for palletized modes */ - if (GT_SCHEME(mode.graphtype) == GT_PALETTE) - { - ggiSetColorfulPalette(VIS); - ggiGetPalette(VIS, 0, 1 << bpp, pal); - } - - db = ggiDBGetBuffer(VIS, 0); - - /* Set up the new mode framebuffer */ - current->flags = (SDL_FULLSCREEN | SDL_HWSURFACE); - current->w = mode.virt.x; - current->h = mode.virt.y; - current->pitch = db->buffer.plb.stride; - current->pixels = db->read; + /* Validate mode, autodetecting any GGI_AUTO or GT_AUTO fields */ + ggiCheckMode(VIS, &mode); + + /* At this point we should have a valid mode - try to set it */ + err = ggiSetMode(VIS, &mode); + + /* If we couldn't set _any_ modes, something is very wrong */ + if (err) { + SDL_SetError("Can't set a mode!\n"); + ggiClose(VIS); + ggiExit(); + GGI_VideoQuit(NULL); + } - /* Set the blit function */ - this->UpdateRects = GGI_DirectUpdate; + /* Set a palette for palletized modes */ + if (GT_SCHEME(mode.graphtype) == GT_PALETTE) { + ggiSetColorfulPalette(VIS); + ggiGetPalette(VIS, 0, 1 << bpp, pal); + } + + db = ggiDBGetBuffer(VIS, 0); - /* We're done */ - return(current); + /* Set up the new mode framebuffer */ + current->flags = (SDL_FULLSCREEN | SDL_HWSURFACE); + current->w = mode.virt.x; + current->h = mode.virt.y; + current->pitch = db->buffer.plb.stride; + current->pixels = db->read; + + /* Set the blit function */ + this->UpdateRects = GGI_DirectUpdate; + + /* We're done */ + return (current); } -static int GGI_AllocHWSurface(_THIS, SDL_Surface *surface) +static int +GGI_AllocHWSurface(_THIS, SDL_Surface * surface) { - return(-1); + return (-1); } -static void GGI_FreeHWSurface(_THIS, SDL_Surface *surface) +static void +GGI_FreeHWSurface(_THIS, SDL_Surface * surface) { - return; + return; } -static int GGI_LockHWSurface(_THIS, SDL_Surface *surface) +static int +GGI_LockHWSurface(_THIS, SDL_Surface * surface) { - return(0); + return (0); } -static void GGI_UnlockHWSurface(_THIS, SDL_Surface *surface) +static void +GGI_UnlockHWSurface(_THIS, SDL_Surface * surface) { - return; + return; } -static void GGI_DirectUpdate(_THIS, int numrects, SDL_Rect *rects) +static void +GGI_DirectUpdate(_THIS, int numrects, SDL_Rect * rects) { - int i; - + int i; + /* ggiFlush(VIS); */ - - for (i = 0; i < numrects; i++) - { - ggiFlushRegion(VIS, rects[i].x, rects[i].y, rects[i].w, rects[i].h); - } - return; + + for (i = 0; i < numrects; i++) { + ggiFlushRegion(VIS, rects[i].x, rects[i].y, rects[i].w, rects[i].h); + } + return; } -int GGI_SetColors(_THIS, int firstcolor, int ncolors, SDL_Color *colors) +int +GGI_SetColors(_THIS, int firstcolor, int ncolors, SDL_Color * colors) { - int i; - ggi_color pal[256]; + int i; + ggi_color pal[256]; - /* Set up the colormap */ - for (i = 0; i < ncolors; i++) - { - pal[i].r = (colors[i].r << 8) | colors[i].r; - pal[i].g = (colors[i].g << 8) | colors[i].g; - pal[i].b = (colors[i].b << 8) | colors[i].b; - } - - ggiSetPalette(VIS, firstcolor, ncolors, pal); - - return 1; + /* Set up the colormap */ + for (i = 0; i < ncolors; i++) { + pal[i].r = (colors[i].r << 8) | colors[i].r; + pal[i].g = (colors[i].g << 8) | colors[i].g; + pal[i].b = (colors[i].b << 8) | colors[i].b; + } + + ggiSetPalette(VIS, firstcolor, ncolors, pal); + + return 1; } - -void GGI_VideoQuit(_THIS) + +void +GGI_VideoQuit(_THIS) { } -void GGI_FinalQuit(void) +void +GGI_FinalQuit(void) { } + +/* vi: set ts=4 sw=4 expandtab: */