diff options
Diffstat (limited to 'distrib/sdl-1.2.12/src/video/directfb/SDL_DirectFB_video.c')
| -rw-r--r-- | distrib/sdl-1.2.12/src/video/directfb/SDL_DirectFB_video.c | 1171 |
1 files changed, 0 insertions, 1171 deletions
diff --git a/distrib/sdl-1.2.12/src/video/directfb/SDL_DirectFB_video.c b/distrib/sdl-1.2.12/src/video/directfb/SDL_DirectFB_video.c deleted file mode 100644 index 5b592c1..0000000 --- a/distrib/sdl-1.2.12/src/video/directfb/SDL_DirectFB_video.c +++ /dev/null @@ -1,1171 +0,0 @@ -/* - 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) -{ -} |