Mercurial > sdl-ios-xcode
view src/video/directfb/SDL_DirectFB_video.c @ 1505:4d005dfbb7f5
Fixed bug #139
The text in SDL_WM_SetCaption() is in UTF-8 encoding.
author | Sam Lantinga <slouken@libsdl.org> |
---|---|
date | Mon, 13 Mar 2006 01:33:58 +0000 |
parents | d910939febfa |
children | e20dcef5647c |
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line source
/* 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++; 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; 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->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) { }