| /* |
| SDL - Simple DirectMedia Layer |
| Copyright (C) 1997-2006 Sam Lantinga |
| |
| This library is free software; you can redistribute it and/or |
| modify it under the terms of the GNU Lesser General Public |
| License as published by the Free Software Foundation; either |
| version 2.1 of the License, or (at your option) any later version. |
| |
| This library is distributed in the hope that it will be useful, |
| but WITHOUT ANY WARRANTY; without even the implied warranty of |
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| Lesser General Public License for more details. |
| |
| You should have received a copy of the GNU Lesser General Public |
| License along with this library; if not, write to the Free Software |
| Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA |
| |
| Sam Lantinga |
| slouken@libsdl.org |
| |
| MGA CRTC2 support by Thomas Jarosch - tomj@simonv.com |
| CRTC2 support is inspired by mplayer's dfbmga driver |
| written by Ville Syrj��<syrjala@sci.fi> |
| */ |
| #include "SDL_config.h" |
| |
| /* DirectFB video driver implementation. |
| */ |
| |
| #include <fcntl.h> |
| #include <unistd.h> |
| #include <sys/mman.h> |
| |
| #include <directfb.h> |
| #include <directfb_version.h> |
| |
| #include "SDL_video.h" |
| #include "SDL_mouse.h" |
| #include "../SDL_sysvideo.h" |
| #include "../SDL_pixels_c.h" |
| #include "../../events/SDL_events_c.h" |
| #include "SDL_DirectFB_video.h" |
| #include "SDL_DirectFB_events.h" |
| #include "SDL_DirectFB_yuv.h" |
| |
| /* The implementation dependent data for the window manager cursor */ |
| struct WMcursor { |
| int unused; |
| }; |
| |
| |
| /* Initialization/Query functions */ |
| static int DirectFB_VideoInit(_THIS, SDL_PixelFormat *vformat); |
| static SDL_Rect **DirectFB_ListModes(_THIS, SDL_PixelFormat *format, Uint32 flags); |
| static SDL_Surface *DirectFB_SetVideoMode(_THIS, SDL_Surface *current, int width, int height, int bpp, Uint32 flags); |
| static int DirectFB_SetColors(_THIS, int firstcolor, int ncolors, |
| SDL_Color *colors); |
| static void DirectFB_VideoQuit(_THIS); |
| |
| /* Hardware surface functions */ |
| static int DirectFB_AllocHWSurface(_THIS, SDL_Surface *surface); |
| static int DirectFB_FillHWRect(_THIS, SDL_Surface *dst, SDL_Rect *dstrect, Uint32 color); |
| static int DirectFB_LockHWSurface(_THIS, SDL_Surface *surface); |
| static void DirectFB_UnlockHWSurface(_THIS, SDL_Surface *surface); |
| static void DirectFB_FreeHWSurface(_THIS, SDL_Surface *surface); |
| static int DirectFB_CheckHWBlit(_THIS, SDL_Surface *src, SDL_Surface *dst); |
| static int DirectFB_HWAccelBlit(SDL_Surface *src, SDL_Rect *srcrect, |
| SDL_Surface *dst, SDL_Rect *dstrect); |
| static int DirectFB_SetHWColorKey(_THIS, SDL_Surface *surface, Uint32 key); |
| static int DirectFB_SetHWAlpha(_THIS, SDL_Surface *surface, Uint8 alpha); |
| static int DirectFB_FlipHWSurface(_THIS, SDL_Surface *surface); |
| static int DirectFB_ShowWMCursor(_THIS, WMcursor *cursor); |
| |
| /* Various screen update functions available */ |
| static void DirectFB_DirectUpdate(_THIS, int numrects, SDL_Rect *rects); |
| static void DirectFB_WindowedUpdate(_THIS, int numrects, SDL_Rect *rects); |
| |
| /* This is the rect EnumModes2 uses */ |
| struct DirectFBEnumRect { |
| SDL_Rect r; |
| struct DirectFBEnumRect* next; |
| }; |
| |
| static struct DirectFBEnumRect *enumlist = NULL; |
| |
| |
| /* DirectFB driver bootstrap functions */ |
| |
| static int DirectFB_Available(void) |
| { |
| return 1; |
| } |
| |
| static void DirectFB_DeleteDevice(SDL_VideoDevice *device) |
| { |
| SDL_free(device->hidden); |
| SDL_free(device); |
| } |
| |
| static SDL_VideoDevice *DirectFB_CreateDevice(int devindex) |
| { |
| 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 *) malloc (sizeof (*device->hidden)); |
| } |
| if (device == NULL || device->hidden == NULL) |
| { |
| SDL_OutOfMemory(); |
| if (device) |
| { |
| free (device); |
| } |
| return(0); |
| } |
| SDL_memset (device->hidden, 0, sizeof (*device->hidden)); |
| |
| /* Set the function pointers */ |
| device->VideoInit = DirectFB_VideoInit; |
| device->ListModes = DirectFB_ListModes; |
| device->SetVideoMode = DirectFB_SetVideoMode; |
| device->SetColors = DirectFB_SetColors; |
| device->UpdateRects = NULL; |
| device->CreateYUVOverlay = DirectFB_CreateYUVOverlay; |
| device->VideoQuit = DirectFB_VideoQuit; |
| device->AllocHWSurface = DirectFB_AllocHWSurface; |
| device->CheckHWBlit = DirectFB_CheckHWBlit; |
| device->FillHWRect = DirectFB_FillHWRect; |
| device->SetHWColorKey = DirectFB_SetHWColorKey; |
| device->SetHWAlpha = DirectFB_SetHWAlpha; |
| device->LockHWSurface = DirectFB_LockHWSurface; |
| device->UnlockHWSurface = DirectFB_UnlockHWSurface; |
| device->FlipHWSurface = DirectFB_FlipHWSurface; |
| device->FreeHWSurface = DirectFB_FreeHWSurface; |
| device->ShowWMCursor = DirectFB_ShowWMCursor; |
| device->SetCaption = NULL; |
| device->SetIcon = NULL; |
| device->IconifyWindow = NULL; |
| device->GrabInput = NULL; |
| device->GetWMInfo = NULL; |
| device->InitOSKeymap = DirectFB_InitOSKeymap; |
| device->PumpEvents = DirectFB_PumpEvents; |
| |
| device->free = DirectFB_DeleteDevice; |
| |
| return device; |
| } |
| |
| VideoBootStrap DirectFB_bootstrap = { |
| "directfb", "DirectFB", |
| DirectFB_Available, DirectFB_CreateDevice |
| }; |
| |
| static DFBSurfacePixelFormat GetFormatForBpp (int bpp, IDirectFBDisplayLayer *layer) |
| { |
| DFBDisplayLayerConfig dlc; |
| int bytes = (bpp + 7) / 8; |
| |
| layer->GetConfiguration (layer, &dlc); |
| |
| if (bytes == DFB_BYTES_PER_PIXEL(dlc.pixelformat) && bytes > 1) |
| return dlc.pixelformat; |
| |
| switch (bytes) |
| { |
| case 1: |
| return DSPF_LUT8; |
| case 2: |
| return DSPF_RGB16; |
| case 3: |
| return DSPF_RGB24; |
| case 4: |
| return DSPF_RGB32; |
| } |
| |
| return DSPF_UNKNOWN; |
| } |
| |
| static DFBEnumerationResult EnumModesCallback (int width, |
| int height, |
| int bpp, |
| void *data) |
| { |
| SDL_VideoDevice *this = (SDL_VideoDevice *)data; |
| struct DirectFBEnumRect *enumrect; |
| |
| HIDDEN->nummodes++; |
| |
| if (enumlist && enumlist->r.w == width && enumlist->r.h == height) |
| return DFENUM_OK; |
| |
| enumrect = SDL_calloc(1, sizeof(struct DirectFBEnumRect)); |
| if (!enumrect) |
| { |
| SDL_OutOfMemory(); |
| return DFENUM_CANCEL; |
| } |
| |
| enumrect->r.w = (Uint16)width; |
| enumrect->r.h = (Uint16)height; |
| enumrect->next = enumlist; |
| |
| enumlist = enumrect; |
| |
| return DFENUM_OK; |
| } |
| |
| struct private_hwdata { |
| IDirectFBSurface *surface; |
| IDirectFBPalette *palette; |
| }; |
| |
| void SetDirectFBerror (const char *function, DFBResult code) |
| { |
| const char *error = DirectFBErrorString (code); |
| |
| if (error) |
| SDL_SetError("%s: %s", function, error); |
| else |
| SDL_SetError("Unknown error code from %s", function); |
| } |
| |
| static DFBSurfacePixelFormat SDLToDFBPixelFormat (SDL_PixelFormat *format) |
| { |
| if (format->Rmask && format->Gmask && format->Bmask) |
| { |
| switch (format->BitsPerPixel) |
| { |
| case 8: |
| return DSPF_LUT8; |
| |
| case 16: |
| if (format->Rmask == 0xF800 && |
| format->Gmask == 0x07E0 && |
| format->Bmask == 0x001F) |
| return DSPF_RGB16; |
| /* fall through */ |
| |
| case 15: |
| if (format->Rmask == 0x7C00 && |
| format->Gmask == 0x03E0 && |
| format->Bmask == 0x001F) |
| return DSPF_ARGB1555; |
| break; |
| |
| case 24: |
| if (format->Rmask == 0xFF0000 && |
| format->Gmask == 0x00FF00 && |
| format->Bmask == 0x0000FF) |
| return DSPF_RGB24; |
| break; |
| |
| case 32: |
| if (format->Rmask == 0xFF0000 && |
| format->Gmask == 0x00FF00 && |
| format->Bmask == 0x0000FF) |
| { |
| if (format->Amask == 0xFF000000) |
| return DSPF_ARGB; |
| else |
| return DSPF_RGB32; |
| } |
| break; |
| } |
| } |
| else |
| { |
| switch (format->BitsPerPixel) |
| { |
| case 8: |
| return DSPF_LUT8; |
| case 15: |
| return DSPF_ARGB1555; |
| case 16: |
| return DSPF_RGB16; |
| case 24: |
| return DSPF_RGB24; |
| case 32: |
| return DSPF_RGB32; |
| } |
| } |
| |
| return DSPF_UNKNOWN; |
| } |
| |
| static SDL_Palette *AllocatePalette(int size) |
| { |
| SDL_Palette *palette; |
| SDL_Color *colors; |
| |
| palette = SDL_calloc (1, sizeof(SDL_Palette)); |
| if (!palette) |
| { |
| SDL_OutOfMemory(); |
| return NULL; |
| } |
| |
| colors = SDL_calloc (size, sizeof(SDL_Color)); |
| if (!colors) |
| { |
| SDL_OutOfMemory(); |
| return NULL; |
| } |
| |
| palette->ncolors = size; |
| palette->colors = colors; |
| |
| return palette; |
| } |
| |
| static int DFBToSDLPixelFormat (DFBSurfacePixelFormat pixelformat, SDL_PixelFormat *format) |
| { |
| format->Amask = format->Rmask = format->Gmask = format->Bmask = 0; |
| format->BitsPerPixel = format->BytesPerPixel = 0; |
| |
| switch (pixelformat) |
| { |
| case DSPF_A8: |
| format->Amask = 0x000000FF; |
| break; |
| |
| case DSPF_ARGB1555: |
| format->Rmask = 0x00007C00; |
| format->Gmask = 0x000003E0; |
| format->Bmask = 0x0000001F; |
| break; |
| |
| case DSPF_RGB16: |
| format->Rmask = 0x0000F800; |
| format->Gmask = 0x000007E0; |
| format->Bmask = 0x0000001F; |
| break; |
| |
| case DSPF_ARGB: |
| format->Amask = 0; /* apps don't seem to like that: 0xFF000000; */ |
| /* fall through */ |
| case DSPF_RGB24: |
| case DSPF_RGB32: |
| format->Rmask = 0x00FF0000; |
| format->Gmask = 0x0000FF00; |
| format->Bmask = 0x000000FF; |
| break; |
| |
| case DSPF_LUT8: |
| format->Rmask = 0x000000FF; |
| format->Gmask = 0x000000FF; |
| format->Bmask = 0x000000FF; |
| |
| if (!format->palette) |
| format->palette = AllocatePalette(256); |
| break; |
| |
| default: |
| fprintf (stderr, "SDL_DirectFB: Unsupported pixelformat (0x%08x)!\n", pixelformat); |
| return -1; |
| } |
| |
| format->BitsPerPixel = DFB_BYTES_PER_PIXEL(pixelformat) * 8; |
| format->BytesPerPixel = DFB_BYTES_PER_PIXEL(pixelformat); |
| |
| return 0; |
| } |
| |
| |
| int DirectFB_VideoInit(_THIS, SDL_PixelFormat *vformat) |
| { |
| int i; |
| DFBResult ret; |
| #if (DIRECTFB_MAJOR_VERSION == 0) && (DIRECTFB_MINOR_VERSION == 9) && (DIRECTFB_MICRO_VERSION < 23) |
| DFBCardCapabilities caps; |
| #else |
| DFBGraphicsDeviceDescription caps; |
| #endif |
| DFBDisplayLayerConfig dlc; |
| struct DirectFBEnumRect *rect; |
| IDirectFB *dfb = NULL; |
| IDirectFBDisplayLayer *layer = NULL; |
| IDirectFBEventBuffer *events = NULL; |
| |
| HIDDEN->c2layer = NULL, HIDDEN->c2frame = NULL; |
| HIDDEN->enable_mga_crtc2 = 0; |
| HIDDEN->mga_crtc2_stretch_overscan = 1; |
| |
| ret = DirectFBInit (NULL, NULL); |
| if (ret) |
| { |
| SetDirectFBerror ("DirectFBInit", ret); |
| goto error; |
| } |
| |
| ret = DirectFBCreate (&dfb); |
| if (ret) |
| { |
| SetDirectFBerror ("DirectFBCreate", ret); |
| goto error; |
| } |
| |
| ret = dfb->GetDisplayLayer (dfb, DLID_PRIMARY, &layer); |
| if (ret) |
| { |
| SetDirectFBerror ("dfb->GetDisplayLayer", ret); |
| goto error; |
| } |
| |
| ret = dfb->CreateInputEventBuffer (dfb, DICAPS_ALL, DFB_FALSE, &events); |
| if (ret) |
| { |
| SetDirectFBerror ("dfb->CreateEventBuffer", ret); |
| goto error; |
| } |
| |
| layer->EnableCursor (layer, 1); |
| |
| /* Query layer configuration to determine the current mode and pixelformat */ |
| layer->GetConfiguration (layer, &dlc); |
| |
| /* If current format is not supported use LUT8 as the default */ |
| if (DFBToSDLPixelFormat (dlc.pixelformat, vformat)) |
| DFBToSDLPixelFormat (DSPF_LUT8, vformat); |
| |
| /* Enumerate the available fullscreen modes */ |
| ret = dfb->EnumVideoModes (dfb, EnumModesCallback, this); |
| if (ret) |
| { |
| SetDirectFBerror ("dfb->EnumVideoModes", ret); |
| goto error; |
| } |
| |
| HIDDEN->modelist = SDL_calloc (HIDDEN->nummodes + 1, sizeof(SDL_Rect *)); |
| if (!HIDDEN->modelist) |
| { |
| SDL_OutOfMemory(); |
| goto error; |
| } |
| |
| for (i = 0, rect = enumlist; rect; ++i, rect = rect->next ) |
| { |
| HIDDEN->modelist[i] = &rect->r; |
| } |
| |
| HIDDEN->modelist[i] = NULL; |
| |
| |
| /* Query card capabilities to get the video memory size */ |
| #if (DIRECTFB_MAJOR_VERSION == 0) && (DIRECTFB_MINOR_VERSION == 9) && (DIRECTFB_MICRO_VERSION < 23) |
| dfb->GetCardCapabilities (dfb, &caps); |
| #else |
| dfb->GetDeviceDescription (dfb, &caps); |
| #endif |
| |
| this->info.wm_available = 1; |
| this->info.hw_available = 1; |
| this->info.blit_hw = 1; |
| this->info.blit_hw_CC = 1; |
| this->info.blit_hw_A = 1; |
| this->info.blit_fill = 1; |
| this->info.video_mem = caps.video_memory / 1024; |
| this->info.current_w = dlc.width; |
| this->info.current_h = dlc.height; |
| |
| HIDDEN->initialized = 1; |
| HIDDEN->dfb = dfb; |
| HIDDEN->layer = layer; |
| HIDDEN->eventbuffer = events; |
| |
| if (SDL_getenv("SDL_DIRECTFB_MGA_CRTC2") != NULL) |
| HIDDEN->enable_mga_crtc2 = 1; |
| |
| if (HIDDEN->enable_mga_crtc2) |
| { |
| DFBDisplayLayerConfig dlc; |
| DFBDisplayLayerConfigFlags failed; |
| |
| ret = dfb->GetDisplayLayer (dfb, 2, &HIDDEN->c2layer); |
| if (ret) |
| { |
| SetDirectFBerror ("dfb->GetDisplayLayer(CRTC2)", ret); |
| goto error; |
| } |
| |
| ret = HIDDEN->layer->SetCooperativeLevel(HIDDEN->layer, DLSCL_EXCLUSIVE); |
| if (ret) |
| { |
| SetDirectFBerror ("layer->SetCooperativeLevel(CRTC2, EXCLUSIVE)", ret); |
| goto error; |
| } |
| |
| ret = HIDDEN->c2layer->SetCooperativeLevel(HIDDEN->c2layer, DLSCL_EXCLUSIVE); |
| if (ret) |
| { |
| SetDirectFBerror ("c2layer->SetCooperativeLevel(CRTC2, EXCLUSIVE)", ret); |
| goto error; |
| } |
| |
| HIDDEN->c2layer->SetOpacity(HIDDEN->c2layer, 0x0); |
| |
| /* Init the surface here as it got a fixed size */ |
| dlc.flags = DLCONF_PIXELFORMAT | DLCONF_BUFFERMODE; |
| dlc.buffermode = DLBM_BACKVIDEO; |
| dlc.pixelformat = DSPF_RGB32; |
| |
| ret = HIDDEN->c2layer->TestConfiguration( HIDDEN->c2layer, &dlc, &failed ); |
| if (ret) |
| { |
| SetDirectFBerror ("c2layer->TestConfiguration", ret); |
| goto error; |
| } |
| |
| ret = HIDDEN->c2layer->SetConfiguration( HIDDEN->c2layer, &dlc ); |
| if (ret) |
| { |
| SetDirectFBerror ("c2layer->SetConfiguration", ret); |
| goto error; |
| } |
| |
| ret = HIDDEN->c2layer->GetSurface( HIDDEN->c2layer, &HIDDEN->c2frame ); |
| if (ret) |
| { |
| SetDirectFBerror ("c2layer->GetSurface", ret); |
| goto error; |
| } |
| |
| HIDDEN->c2framesize.x = 0; |
| HIDDEN->c2framesize.y = 0; |
| HIDDEN->c2frame->GetSize( HIDDEN->c2frame, &HIDDEN->c2framesize.w, &HIDDEN->c2framesize.h); |
| |
| HIDDEN->c2frame->SetBlittingFlags( HIDDEN->c2frame, DSBLIT_NOFX ); |
| HIDDEN->c2frame->SetColor( HIDDEN->c2frame, 0, 0, 0, 0xff ); |
| |
| /* Clear CRTC2 */ |
| HIDDEN->c2frame->Clear(HIDDEN->c2frame, 0, 0, 0, 0xff ); |
| HIDDEN->c2frame->Flip(HIDDEN->c2frame, NULL, 0 ); |
| HIDDEN->c2frame->Clear(HIDDEN->c2frame, 0, 0, 0, 0xff ); |
| HIDDEN->c2frame->Flip(HIDDEN->c2frame, NULL, 0 ); |
| HIDDEN->c2frame->Clear(HIDDEN->c2frame, 0, 0, 0, 0xff ); |
| |
| HIDDEN->c2layer->SetOpacity(HIDDEN->c2layer, 0xFF ); |
| |
| /* Check if overscan is possibly set */ |
| if (SDL_getenv("SDL_DIRECTFB_MGA_OVERSCAN") != NULL) |
| { |
| float overscan = 0; |
| if (SDL_sscanf(SDL_getenv("SDL_DIRECTFB_MGA_OVERSCAN"), "%f", &overscan) == 1) |
| if (overscan > 0 && overscan < 2) |
| HIDDEN->mga_crtc2_stretch_overscan = overscan; |
| } |
| |
| #ifdef DIRECTFB_CRTC2_DEBUG |
| printf("CRTC2 overscan: %f\n", HIDDEN->mga_crtc2_stretch_overscan); |
| #endif |
| } |
| |
| return 0; |
| |
| error: |
| if (events) |
| events->Release (events); |
| |
| if (HIDDEN->c2frame) |
| HIDDEN->c2frame->Release (HIDDEN->c2frame); |
| |
| if (HIDDEN->c2layer) |
| HIDDEN->c2layer->Release (HIDDEN->c2layer); |
| |
| if (layer) |
| layer->Release (layer); |
| |
| if (dfb) |
| dfb->Release (dfb); |
| |
| return -1; |
| } |
| |
| static SDL_Rect **DirectFB_ListModes(_THIS, SDL_PixelFormat *format, Uint32 flags) |
| { |
| if (flags & SDL_FULLSCREEN) |
| return HIDDEN->modelist; |
| else |
| if (SDLToDFBPixelFormat (format) != DSPF_UNKNOWN) |
| return (SDL_Rect**) -1; |
| |
| return NULL; |
| } |
| |
| static SDL_Surface *DirectFB_SetVideoMode(_THIS, SDL_Surface *current, int width, int height, int bpp, Uint32 flags) |
| { |
| DFBResult ret; |
| DFBSurfaceDescription dsc; |
| DFBSurfacePixelFormat pixelformat; |
| IDirectFBSurface *surface; |
| |
| fprintf (stderr, "SDL DirectFB_SetVideoMode: %dx%d@%d, flags: 0x%08x\n", |
| width, height, bpp, flags); |
| |
| flags |= SDL_FULLSCREEN; |
| |
| /* Release previous primary surface */ |
| if (current->hwdata && current->hwdata->surface) |
| { |
| current->hwdata->surface->Release (current->hwdata->surface); |
| current->hwdata->surface = NULL; |
| |
| /* And its palette if present */ |
| if (current->hwdata->palette) |
| { |
| current->hwdata->palette->Release (current->hwdata->palette); |
| current->hwdata->palette = NULL; |
| } |
| } |
| else if (!current->hwdata) |
| { |
| /* Allocate the hardware acceleration data */ |
| current->hwdata = (struct private_hwdata *) SDL_calloc (1, sizeof(*current->hwdata)); |
| if (!current->hwdata) |
| { |
| SDL_OutOfMemory(); |
| return NULL; |
| } |
| } |
| |
| /* Set cooperative level depending on flag SDL_FULLSCREEN */ |
| if (flags & SDL_FULLSCREEN) |
| { |
| ret = HIDDEN->dfb->SetCooperativeLevel (HIDDEN->dfb, DFSCL_FULLSCREEN); |
| if (ret && !HIDDEN->enable_mga_crtc2) |
| { |
| DirectFBError ("dfb->SetCooperativeLevel", ret); |
| flags &= ~SDL_FULLSCREEN; |
| } |
| } |
| else |
| HIDDEN->dfb->SetCooperativeLevel (HIDDEN->dfb, DFSCL_NORMAL); |
| |
| /* Set video mode */ |
| ret = HIDDEN->dfb->SetVideoMode (HIDDEN->dfb, width, height, bpp); |
| if (ret) |
| { |
| if (flags & SDL_FULLSCREEN) |
| { |
| flags &= ~SDL_FULLSCREEN; |
| HIDDEN->dfb->SetCooperativeLevel (HIDDEN->dfb, DFSCL_NORMAL); |
| ret = HIDDEN->dfb->SetVideoMode (HIDDEN->dfb, width, height, bpp); |
| } |
| |
| if (ret) |
| { |
| SetDirectFBerror ("dfb->SetVideoMode", ret); |
| return NULL; |
| } |
| } |
| |
| /* Create primary surface */ |
| dsc.flags = DSDESC_CAPS | DSDESC_PIXELFORMAT; |
| dsc.caps = DSCAPS_PRIMARY | ((flags & SDL_DOUBLEBUF) ? DSCAPS_FLIPPING : 0); |
| dsc.pixelformat = GetFormatForBpp (bpp, HIDDEN->layer); |
| |
| ret = HIDDEN->dfb->CreateSurface (HIDDEN->dfb, &dsc, &surface); |
| if (ret && (flags & SDL_DOUBLEBUF)) |
| { |
| /* Try without double buffering */ |
| dsc.caps &= ~DSCAPS_FLIPPING; |
| ret = HIDDEN->dfb->CreateSurface (HIDDEN->dfb, &dsc, &surface); |
| } |
| if (ret) |
| { |
| SetDirectFBerror ("dfb->CreateSurface", ret); |
| return NULL; |
| } |
| |
| current->w = width; |
| current->h = height; |
| current->flags = SDL_HWSURFACE | SDL_PREALLOC; |
| |
| if (flags & SDL_FULLSCREEN) |
| { |
| current->flags |= SDL_FULLSCREEN; |
| this->UpdateRects = DirectFB_DirectUpdate; |
| } |
| else |
| this->UpdateRects = DirectFB_WindowedUpdate; |
| |
| if (dsc.caps & DSCAPS_FLIPPING) |
| current->flags |= SDL_DOUBLEBUF; |
| |
| surface->GetPixelFormat (surface, &pixelformat); |
| |
| DFBToSDLPixelFormat (pixelformat, current->format); |
| |
| /* Get the surface palette (if supported) */ |
| if (DFB_PIXELFORMAT_IS_INDEXED( pixelformat )) |
| { |
| surface->GetPalette (surface, ¤t->hwdata->palette); |
| |
| current->flags |= SDL_HWPALETTE; |
| } |
| |
| current->hwdata->surface = surface; |
| |
| /* MGA CRTC2 stuff */ |
| if (HIDDEN->enable_mga_crtc2) |
| { |
| /* no stretching if c2ssize == c2framesize */ |
| HIDDEN->c2ssize.x = 0, HIDDEN->c2ssize.y = 0; |
| HIDDEN->c2ssize.w = width; |
| HIDDEN->c2ssize.h = height; |
| |
| HIDDEN->c2dsize.x = 0, HIDDEN->c2dsize.y = 0; |
| HIDDEN->c2dsize.w = width; |
| HIDDEN->c2dsize.h = height; |
| |
| HIDDEN->mga_crtc2_stretch = 0; |
| |
| if (SDL_getenv("SDL_DIRECTFB_MGA_STRETCH") != NULL) |
| { |
| /* Normally assume a picture aspect ratio of 4:3 */ |
| int zoom_aspect_x = 4, zoom_aspect_y = 3, i, j; |
| |
| for (i = 1; i < 20; i++) |
| { |
| for (j = 1; j < 10; j++) |
| { |
| if ((float)width/(float)i*(float)j == height) |
| { |
| zoom_aspect_x = i; |
| zoom_aspect_y = j; |
| |
| /* break the loop */ |
| i = 21; |
| break; |
| } |
| } |
| } |
| |
| #ifdef DIRECTFB_CRTC2_DEBUG |
| printf("Source resolution: X: %d, Y: %d, Aspect ratio: %d:%d\n", width, height, zoom_aspect_x, zoom_aspect_y); |
| printf("CRTC2 resolution: X: %d, Y: %d\n", HIDDEN->c2framesize.w, HIDDEN->c2framesize.h); |
| #endif |
| |
| /* don't stretch only slightly smaller/larger images */ |
| if ((float)width < (float)HIDDEN->c2framesize.w*0.95 || (float)height < (float)HIDDEN->c2framesize.h*0.95) |
| { |
| while ((float)HIDDEN->c2dsize.w < (float)HIDDEN->c2framesize.w*HIDDEN->mga_crtc2_stretch_overscan && (float)HIDDEN->c2dsize.h < (float)HIDDEN->c2framesize.h*HIDDEN->mga_crtc2_stretch_overscan) |
| { |
| HIDDEN->c2dsize.w+=zoom_aspect_x; |
| HIDDEN->c2dsize.h+=zoom_aspect_y; |
| } |
| |
| /* one step down */ |
| HIDDEN->c2dsize.w-=zoom_aspect_x; |
| HIDDEN->c2dsize.h-=zoom_aspect_y; |
| |
| #ifdef DIRECTFB_CRTC2_DEBUG |
| printf("Stretched resolution: X: %d, Y: %d\n", HIDDEN->c2dsize.w, HIDDEN->c2dsize.h); |
| #endif |
| |
| HIDDEN->mga_crtc2_stretch = 1; |
| } |
| else if ((float)width > (float)HIDDEN->c2framesize.w*0.95 || (float)height > (float)HIDDEN->c2framesize.h*0.95) |
| { |
| while ((float)HIDDEN->c2dsize.w > (float)HIDDEN->c2framesize.w*HIDDEN->mga_crtc2_stretch_overscan || (float)HIDDEN->c2dsize.h > (float)HIDDEN->c2framesize.h*HIDDEN->mga_crtc2_stretch_overscan) |
| { |
| HIDDEN->c2dsize.w-=zoom_aspect_x; |
| HIDDEN->c2dsize.h-=zoom_aspect_y; |
| } |
| |
| #ifdef DIRECTFB_CRTC2_DEBUG |
| printf("Down-Stretched resolution: X: %d, Y: %d\n", HIDDEN->c2dsize.w, HIDDEN->c2dsize.h); |
| #endif |
| |
| HIDDEN->mga_crtc2_stretch = 1; |
| } else { |
| #ifdef DIRECTFB_CRTC2_DEBUG |
| printf("Not stretching image\n"); |
| #endif |
| } |
| |
| /* Panning */ |
| if (HIDDEN->c2framesize.w > HIDDEN->c2dsize.w) |
| HIDDEN->c2dsize.x = (HIDDEN->c2framesize.w - HIDDEN->c2dsize.w) / 2; |
| else |
| HIDDEN->c2dsize.x = (HIDDEN->c2dsize.w - HIDDEN->c2framesize.w) / 2; |
| |
| if (HIDDEN->c2framesize.h > HIDDEN->c2dsize.h) |
| HIDDEN->c2dsize.y = (HIDDEN->c2framesize.h - HIDDEN->c2dsize.h) / 2; |
| else |
| HIDDEN->c2dsize.y = (HIDDEN->c2dsize.h - HIDDEN->c2framesize.h) / 2; |
| |
| #ifdef DIRECTFB_CRTC2_DEBUG |
| printf("CRTC2 position X: %d, Y: %d\n", HIDDEN->c2dsize.x, HIDDEN->c2dsize.y); |
| #endif |
| } |
| } |
| |
| return current; |
| } |
| |
| static int DirectFB_AllocHWSurface(_THIS, SDL_Surface *surface) |
| { |
| DFBResult ret; |
| DFBSurfaceDescription dsc; |
| |
| /* fprintf(stderr, "SDL: DirectFB_AllocHWSurface (%dx%d@%d, flags: 0x%08x)\n", |
| surface->w, surface->h, surface->format->BitsPerPixel, surface->flags);*/ |
| |
| if (surface->w < 8 || surface->h < 8) |
| return -1; |
| |
| /* fill surface description */ |
| dsc.flags = DSDESC_WIDTH | DSDESC_HEIGHT | DSDESC_PIXELFORMAT | DSDESC_CAPS; |
| dsc.width = surface->w; |
| dsc.height = surface->h; |
| dsc.caps = (surface->flags & SDL_DOUBLEBUF) ? DSCAPS_FLIPPING : 0; |
| |
| /* find the right pixelformat */ |
| dsc.pixelformat = SDLToDFBPixelFormat (surface->format); |
| if (dsc.pixelformat == DSPF_UNKNOWN) |
| return -1; |
| |
| /* Allocate the hardware acceleration data */ |
| surface->hwdata = (struct private_hwdata *) SDL_calloc (1, sizeof(*surface->hwdata)); |
| if (surface->hwdata == NULL) |
| { |
| SDL_OutOfMemory(); |
| return -1; |
| } |
| |
| /* Create the surface */ |
| ret = HIDDEN->dfb->CreateSurface (HIDDEN->dfb, &dsc, &surface->hwdata->surface); |
| if (ret) |
| { |
| SetDirectFBerror ("dfb->CreateSurface", ret); |
| free (surface->hwdata); |
| surface->hwdata = NULL; |
| return -1; |
| } |
| |
| surface->flags |= SDL_HWSURFACE | SDL_PREALLOC; |
| |
| return 0; |
| } |
| |
| static void DirectFB_FreeHWSurface(_THIS, SDL_Surface *surface) |
| { |
| if (surface->hwdata && HIDDEN->initialized) |
| { |
| surface->hwdata->surface->Release (surface->hwdata->surface); |
| free (surface->hwdata); |
| surface->hwdata = NULL; |
| } |
| } |
| |
| static int DirectFB_CheckHWBlit(_THIS, SDL_Surface *src, SDL_Surface *dst) |
| { |
| /* fprintf(stderr, "SDL: DirectFB_CheckHWBlit (src->hwdata: %p, dst->hwdata: %p)\n", |
| src->hwdata, dst->hwdata);*/ |
| |
| if (!src->hwdata || !dst->hwdata) |
| return 0; |
| |
| src->flags |= SDL_HWACCEL; |
| src->map->hw_blit = DirectFB_HWAccelBlit; |
| |
| return 1; |
| } |
| |
| static int DirectFB_HWAccelBlit(SDL_Surface *src, SDL_Rect *srcrect, |
| SDL_Surface *dst, SDL_Rect *dstrect) |
| { |
| DFBSurfaceBlittingFlags flags = DSBLIT_NOFX; |
| |
| DFBRectangle sr = { srcrect->x, srcrect->y, srcrect->w, srcrect->h }; |
| DFBRectangle dr = { dstrect->x, dstrect->y, dstrect->w, dstrect->h }; |
| |
| IDirectFBSurface *surface = dst->hwdata->surface; |
| |
| if (src->flags & SDL_SRCCOLORKEY) |
| { |
| flags |= DSBLIT_SRC_COLORKEY; |
| DirectFB_SetHWColorKey (NULL, src, src->format->colorkey); |
| } |
| |
| if (src->flags & SDL_SRCALPHA) |
| { |
| flags |= DSBLIT_BLEND_COLORALPHA; |
| surface->SetColor (surface, 0xff, 0xff, 0xff, src->format->alpha); |
| } |
| |
| surface->SetBlittingFlags (surface, flags); |
| |
| if (sr.w == dr.w && sr.h == dr.h) |
| surface->Blit (surface, src->hwdata->surface, &sr, dr.x, dr.y); |
| else |
| surface->StretchBlit (surface, src->hwdata->surface, &sr, &dr); |
| |
| return 0; |
| } |
| |
| static int DirectFB_FillHWRect(_THIS, SDL_Surface *dst, SDL_Rect *dstrect, Uint32 color) |
| { |
| SDL_PixelFormat *fmt = dst->format; |
| IDirectFBSurface *surface = dst->hwdata->surface; |
| |
| /* ugly */ |
| surface->SetColor (surface, |
| (color & fmt->Rmask) >> (fmt->Rshift - fmt->Rloss), |
| (color & fmt->Gmask) >> (fmt->Gshift - fmt->Gloss), |
| (color & fmt->Bmask) << (fmt->Bloss - fmt->Bshift), 0xFF); |
| surface->FillRectangle (surface, dstrect->x, dstrect->y, dstrect->w, dstrect->h); |
| |
| return 0; |
| } |
| |
| static int DirectFB_SetHWColorKey(_THIS, SDL_Surface *src, Uint32 key) |
| { |
| SDL_PixelFormat *fmt = src->format; |
| IDirectFBSurface *surface = src->hwdata->surface; |
| |
| if (fmt->BitsPerPixel == 8) |
| surface->SetSrcColorKeyIndex (surface, key); |
| else |
| /* ugly */ |
| surface->SetSrcColorKey (surface, |
| (key & fmt->Rmask) >> (fmt->Rshift - fmt->Rloss), |
| (key & fmt->Gmask) >> (fmt->Gshift - fmt->Gloss), |
| (key & fmt->Bmask) << (fmt->Bloss - fmt->Bshift)); |
| |
| return 0; |
| } |
| |
| static int DirectFB_SetHWAlpha(_THIS, SDL_Surface *surface, Uint8 alpha) |
| { |
| return 0; |
| } |
| |
| static int DirectFB_FlipHWSurface(_THIS, SDL_Surface *surface) |
| { |
| if (HIDDEN->enable_mga_crtc2) |
| { |
| int rtn = surface->hwdata->surface->Flip (surface->hwdata->surface, NULL, 0); |
| if (HIDDEN->mga_crtc2_stretch) |
| HIDDEN->c2frame->StretchBlit(HIDDEN->c2frame, surface->hwdata->surface, &HIDDEN->c2ssize, &HIDDEN->c2dsize); |
| else |
| HIDDEN->c2frame->Blit(HIDDEN->c2frame, surface->hwdata->surface, NULL, HIDDEN->c2dsize.x, HIDDEN->c2dsize.y); |
| |
| HIDDEN->c2frame->Flip(HIDDEN->c2frame, NULL, DSFLIP_WAITFORSYNC); |
| return rtn; |
| } |
| else |
| return surface->hwdata->surface->Flip (surface->hwdata->surface, NULL, DSFLIP_WAITFORSYNC); |
| } |
| |
| static int DirectFB_LockHWSurface(_THIS, SDL_Surface *surface) |
| { |
| DFBResult ret; |
| void *data; |
| int pitch; |
| |
| ret = surface->hwdata->surface->Lock (surface->hwdata->surface, |
| DSLF_WRITE, &data, &pitch); |
| if (ret) |
| { |
| SetDirectFBerror ("surface->Lock", ret); |
| return -1; |
| } |
| |
| surface->pixels = data; |
| surface->pitch = pitch; |
| |
| return 0; |
| } |
| |
| static void DirectFB_UnlockHWSurface(_THIS, SDL_Surface *surface) |
| { |
| surface->hwdata->surface->Unlock (surface->hwdata->surface); |
| surface->pixels = NULL; |
| } |
| |
| static void DirectFB_DirectUpdate(_THIS, int numrects, SDL_Rect *rects) |
| { |
| if (HIDDEN->enable_mga_crtc2) |
| { |
| if (HIDDEN->mga_crtc2_stretch) |
| HIDDEN->c2frame->StretchBlit(HIDDEN->c2frame, this->screen->hwdata->surface, &HIDDEN->c2ssize, &HIDDEN->c2dsize); |
| else |
| HIDDEN->c2frame->Blit(HIDDEN->c2frame, this->screen->hwdata->surface, NULL, HIDDEN->c2dsize.x, HIDDEN->c2dsize.y); |
| |
| HIDDEN->c2frame->Flip(HIDDEN->c2frame, NULL, DSFLIP_WAITFORSYNC); |
| } |
| } |
| |
| static void DirectFB_WindowedUpdate(_THIS, int numrects, SDL_Rect *rects) |
| { |
| DFBRegion region; |
| int i; |
| int region_valid = 0; |
| IDirectFBSurface *surface = this->screen->hwdata->surface; |
| |
| for (i=0; i<numrects; ++i) |
| { |
| int x2, y2; |
| |
| if ( ! rects[i].w ) /* Clipped? */ |
| continue; |
| |
| x2 = rects[i].x + rects[i].w - 1; |
| y2 = rects[i].y + rects[i].h - 1; |
| |
| if (region_valid) |
| { |
| if (rects[i].x < region.x1) |
| region.x1 = rects[i].x; |
| |
| if (rects[i].y < region.y1) |
| region.y1 = rects[i].y; |
| |
| if (x2 > region.x2) |
| region.x2 = x2; |
| |
| if (y2 > region.y2) |
| region.y2 = y2; |
| } |
| else |
| { |
| region.x1 = rects[i].x; |
| region.y1 = rects[i].y; |
| region.x2 = x2; |
| region.y2 = y2; |
| |
| region_valid = 1; |
| } |
| } |
| |
| if (region_valid) |
| { |
| if (HIDDEN->enable_mga_crtc2) |
| { |
| if (HIDDEN->mga_crtc2_stretch) |
| HIDDEN->c2frame->StretchBlit(HIDDEN->c2frame, surface, &HIDDEN->c2ssize, &HIDDEN->c2dsize); |
| else |
| HIDDEN->c2frame->Blit(HIDDEN->c2frame, surface, NULL, HIDDEN->c2dsize.x, HIDDEN->c2dsize.y); |
| |
| HIDDEN->c2frame->Flip(HIDDEN->c2frame, NULL, DSFLIP_WAITFORSYNC); |
| } |
| else |
| surface->Flip (surface, ®ion, DSFLIP_WAITFORSYNC); |
| } |
| } |
| |
| int DirectFB_SetColors(_THIS, int firstcolor, int ncolors, SDL_Color *colors) |
| { |
| IDirectFBPalette *palette = this->screen->hwdata->palette; |
| |
| if (!palette) |
| return 0; |
| |
| if (firstcolor > 255) |
| return 0; |
| |
| if (firstcolor + ncolors > 256) |
| ncolors = 256 - firstcolor; |
| |
| if (ncolors > 0) |
| { |
| int i; |
| DFBColor entries[ncolors]; |
| |
| for (i=0; i<ncolors; i++) |
| { |
| entries[i].a = 0xff; |
| entries[i].r = colors[i].r; |
| entries[i].g = colors[i].g; |
| entries[i].b = colors[i].b; |
| } |
| |
| palette->SetEntries (palette, entries, ncolors, firstcolor); |
| } |
| |
| return 1; |
| } |
| |
| void DirectFB_VideoQuit(_THIS) |
| { |
| struct DirectFBEnumRect *rect = enumlist; |
| |
| if (this->screen && this->screen->hwdata) |
| { |
| IDirectFBSurface *surface = this->screen->hwdata->surface; |
| IDirectFBPalette *palette = this->screen->hwdata->palette; |
| |
| if (palette) |
| palette->Release (palette); |
| |
| if (surface) |
| surface->Release (surface); |
| |
| this->screen->hwdata->surface = NULL; |
| this->screen->hwdata->palette = NULL; |
| } |
| |
| if (HIDDEN->c2frame) |
| { |
| HIDDEN->c2frame->Release (HIDDEN->c2frame); |
| HIDDEN->c2frame = NULL; |
| } |
| |
| if (HIDDEN->eventbuffer) |
| { |
| HIDDEN->eventbuffer->Release (HIDDEN->eventbuffer); |
| HIDDEN->eventbuffer = NULL; |
| } |
| |
| if (HIDDEN->c2layer) |
| { |
| HIDDEN->c2layer->Release (HIDDEN->c2layer); |
| HIDDEN->c2layer = NULL; |
| } |
| |
| if (HIDDEN->layer) |
| { |
| HIDDEN->layer->Release (HIDDEN->layer); |
| HIDDEN->layer = NULL; |
| } |
| |
| if (HIDDEN->dfb) |
| { |
| HIDDEN->dfb->Release (HIDDEN->dfb); |
| HIDDEN->dfb = NULL; |
| } |
| |
| /* Free video mode list */ |
| if (HIDDEN->modelist) |
| { |
| free (HIDDEN->modelist); |
| HIDDEN->modelist = NULL; |
| } |
| |
| /* Free mode enumeration list */ |
| while (rect) |
| { |
| struct DirectFBEnumRect *next = rect->next; |
| free (rect); |
| rect = next; |
| } |
| enumlist = NULL; |
| |
| HIDDEN->initialized = 0; |
| } |
| |
| |
| int DirectFB_ShowWMCursor(_THIS, WMcursor *cursor) |
| { |
| /* We can only hide or show the default cursor */ |
| if ( cursor == NULL ) |
| { |
| HIDDEN->layer->SetCursorOpacity(HIDDEN->layer, 0x00); |
| } |
| else |
| { |
| HIDDEN->layer->SetCursorOpacity(HIDDEN->layer, 0xFF); |
| } |
| return 1; |
| } |
| |
| void DirectFB_FinalQuit(void) |
| { |
| } |