/* SDL - Simple DirectMedia Layer Copyright (C) 1997-2012 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 */ #include "SDL_config.h" #define WIN32_LEAN_AND_MEAN #include /* Not yet in the mingw32 cross-compile headers */ #ifndef CDS_FULLSCREEN #define CDS_FULLSCREEN 4 #endif #include "SDL_syswm.h" #include "../SDL_sysvideo.h" #include "../SDL_pixels_c.h" #include "../../events/SDL_sysevents.h" #include "../../events/SDL_events_c.h" #include "SDL_gapidibvideo.h" #include "SDL_dibvideo.h" #include "../wincommon/SDL_syswm_c.h" #include "../wincommon/SDL_sysmouse_c.h" #include "SDL_dibevents_c.h" #include "../wincommon/SDL_wingl_c.h" #ifdef _WIN32_WCE #ifndef DM_DISPLAYORIENTATION #define DM_DISPLAYORIENTATION 0x00800000L #endif #ifndef DM_DISPLAYQUERYORIENTATION #define DM_DISPLAYQUERYORIENTATION 0x01000000L #endif #ifndef DMDO_0 #define DMDO_0 0 #endif #ifndef DMDO_90 #define DMDO_90 1 #endif #ifndef DMDO_180 #define DMDO_180 2 #endif #ifndef DMDO_270 #define DMDO_270 4 #endif #define NO_GETDIBITS #define NO_GAMMA_SUPPORT #if _WIN32_WCE < 420 #define NO_CHANGEDISPLAYSETTINGS #else #define ChangeDisplaySettings(lpDevMode, dwFlags) ChangeDisplaySettingsEx(NULL, (lpDevMode), 0, (dwFlags), 0) #endif #endif #ifndef WS_MAXIMIZE #define WS_MAXIMIZE 0 #endif #ifndef WS_THICKFRAME #define WS_THICKFRAME 0 #endif #ifndef SWP_NOCOPYBITS #define SWP_NOCOPYBITS 0 #endif #ifndef PC_NOCOLLAPSE #define PC_NOCOLLAPSE 0 #endif #ifdef _WIN32_WCE // defined and used in SDL_sysevents.c extern HINSTANCE aygshell; #endif /* Initialization/Query functions */ static int DIB_VideoInit(_THIS, SDL_PixelFormat *vformat); static SDL_Rect **DIB_ListModes(_THIS, SDL_PixelFormat *format, Uint32 flags); SDL_Surface *DIB_SetVideoMode(_THIS, SDL_Surface *current, int width, int height, int bpp, Uint32 flags); static int DIB_SetColors(_THIS, int firstcolor, int ncolors, SDL_Color *colors); static void DIB_CheckGamma(_THIS); void DIB_SwapGamma(_THIS); void DIB_QuitGamma(_THIS); int DIB_SetGammaRamp(_THIS, Uint16 *ramp); int DIB_GetGammaRamp(_THIS, Uint16 *ramp); static void DIB_VideoQuit(_THIS); /* Hardware surface functions */ static int DIB_AllocHWSurface(_THIS, SDL_Surface *surface); static int DIB_LockHWSurface(_THIS, SDL_Surface *surface); static void DIB_UnlockHWSurface(_THIS, SDL_Surface *surface); static void DIB_FreeHWSurface(_THIS, SDL_Surface *surface); /* Windows message handling functions */ static void DIB_GrabStaticColors(HWND window); static void DIB_ReleaseStaticColors(HWND window); static void DIB_Activate(_THIS, BOOL active, BOOL minimized); static void DIB_RealizePalette(_THIS); static void DIB_PaletteChanged(_THIS, HWND window); static void DIB_WinPAINT(_THIS, HDC hdc); /* helper fn */ static int DIB_SussScreenDepth(); /* DIB driver bootstrap functions */ static int DIB_Available(void) { return(1); } static void DIB_DeleteDevice(SDL_VideoDevice *device) { if ( device ) { if ( device->hidden ) { if ( device->hidden->dibInfo ) { SDL_free( device->hidden->dibInfo ); } SDL_free(device->hidden); } if ( device->gl_data ) { SDL_free(device->gl_data); } SDL_free(device); } } static SDL_VideoDevice *DIB_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 *) SDL_malloc((sizeof *device->hidden)); if(device->hidden){ SDL_memset(device->hidden, 0, (sizeof *device->hidden)); device->hidden->dibInfo = (DibInfo *)SDL_malloc((sizeof(DibInfo))); if(device->hidden->dibInfo == NULL) { SDL_free(device->hidden); device->hidden = NULL; } } device->gl_data = (struct SDL_PrivateGLData *) SDL_malloc((sizeof *device->gl_data)); } if ( (device == NULL) || (device->hidden == NULL) || (device->gl_data == NULL) ) { SDL_OutOfMemory(); DIB_DeleteDevice(device); return(NULL); } SDL_memset(device->hidden->dibInfo, 0, (sizeof *device->hidden->dibInfo)); SDL_memset(device->gl_data, 0, (sizeof *device->gl_data)); /* Set the function pointers */ device->VideoInit = DIB_VideoInit; device->ListModes = DIB_ListModes; device->SetVideoMode = DIB_SetVideoMode; device->UpdateMouse = WIN_UpdateMouse; device->SetColors = DIB_SetColors; device->UpdateRects = NULL; device->VideoQuit = DIB_VideoQuit; device->AllocHWSurface = DIB_AllocHWSurface; device->CheckHWBlit = NULL; device->FillHWRect = NULL; device->SetHWColorKey = NULL; device->SetHWAlpha = NULL; device->LockHWSurface = DIB_LockHWSurface; device->UnlockHWSurface = DIB_UnlockHWSurface; device->FlipHWSurface = NULL; device->FreeHWSurface = DIB_FreeHWSurface; device->SetGammaRamp = DIB_SetGammaRamp; device->GetGammaRamp = DIB_GetGammaRamp; #if SDL_VIDEO_OPENGL device->GL_LoadLibrary = WIN_GL_LoadLibrary; device->GL_GetProcAddress = WIN_GL_GetProcAddress; device->GL_GetAttribute = WIN_GL_GetAttribute; device->GL_MakeCurrent = WIN_GL_MakeCurrent; device->GL_SwapBuffers = WIN_GL_SwapBuffers; #endif device->SetCaption = WIN_SetWMCaption; device->SetIcon = WIN_SetWMIcon; device->IconifyWindow = WIN_IconifyWindow; device->GrabInput = WIN_GrabInput; device->GetWMInfo = WIN_GetWMInfo; device->FreeWMCursor = WIN_FreeWMCursor; device->CreateWMCursor = WIN_CreateWMCursor; device->ShowWMCursor = WIN_ShowWMCursor; device->WarpWMCursor = WIN_WarpWMCursor; device->CheckMouseMode = WIN_CheckMouseMode; device->InitOSKeymap = DIB_InitOSKeymap; device->PumpEvents = DIB_PumpEvents; /* Set up the windows message handling functions */ WIN_Activate = DIB_Activate; WIN_RealizePalette = DIB_RealizePalette; WIN_PaletteChanged = DIB_PaletteChanged; WIN_WinPAINT = DIB_WinPAINT; HandleMessage = DIB_HandleMessage; device->free = DIB_DeleteDevice; /* We're finally ready */ return device; } VideoBootStrap WINDIB_bootstrap = { "windib", "Win95/98/NT/2000/CE GDI", DIB_Available, DIB_CreateDevice }; static int cmpmodes(const void *va, const void *vb) { SDL_Rect *a = *(SDL_Rect **)va; SDL_Rect *b = *(SDL_Rect **)vb; if ( a->w == b->w ) return b->h - a->h; else return b->w - a->w; } static int DIB_AddMode(_THIS, int bpp, int w, int h) { SDL_Rect *mode; int i, index; int next_mode; /* Check to see if we already have this mode */ if ( bpp < 8 || bpp > 32 ) { /* Not supported */ return(0); } index = ((bpp+7)/8)-1; for ( i=0; iw == w) && (mode->h == h) ) { return(0); } } /* Set up the new video mode rectangle */ mode = (SDL_Rect *)SDL_malloc(sizeof *mode); if ( mode == NULL ) { SDL_OutOfMemory(); return(-1); } mode->x = 0; mode->y = 0; mode->w = w; mode->h = h; /* Allocate the new list of modes, and fill in the new mode */ next_mode = SDL_nummodes[index]; SDL_modelist[index] = (SDL_Rect **) SDL_realloc(SDL_modelist[index], (1+next_mode+1)*sizeof(SDL_Rect *)); if ( SDL_modelist[index] == NULL ) { SDL_OutOfMemory(); SDL_nummodes[index] = 0; SDL_free(mode); return(-1); } SDL_modelist[index][next_mode] = mode; SDL_modelist[index][next_mode+1] = NULL; SDL_nummodes[index]++; return(0); } static void DIB_CreatePalette(_THIS, int bpp) { /* RJR: March 28, 2000 moved palette creation here from "DIB_VideoInit" */ LOGPALETTE *palette; HDC hdc; int ncolors; ncolors = (1 << bpp); palette = (LOGPALETTE *)SDL_malloc(sizeof(*palette)+ ncolors*sizeof(PALETTEENTRY)); palette->palVersion = 0x300; palette->palNumEntries = ncolors; hdc = GetDC(SDL_Window); GetSystemPaletteEntries(hdc, 0, ncolors, palette->palPalEntry); ReleaseDC(SDL_Window, hdc); screen_pal = CreatePalette(palette); screen_logpal = palette; } int DIB_VideoInit(_THIS, SDL_PixelFormat *vformat) { const char *env = NULL; #ifndef NO_CHANGEDISPLAYSETTINGS int i; DEVMODE settings; #endif /* Create the window */ if ( DIB_CreateWindow(this) < 0 ) { return(-1); } #if !SDL_AUDIO_DISABLED DX5_SoundFocus(SDL_Window); #endif /* Determine the screen depth */ vformat->BitsPerPixel = DIB_SussScreenDepth(); switch (vformat->BitsPerPixel) { case 15: vformat->Rmask = 0x00007c00; vformat->Gmask = 0x000003e0; vformat->Bmask = 0x0000001f; vformat->BitsPerPixel = 16; break; case 16: vformat->Rmask = 0x0000f800; vformat->Gmask = 0x000007e0; vformat->Bmask = 0x0000001f; break; case 24: case 32: /* GDI defined as 8-8-8 */ vformat->Rmask = 0x00ff0000; vformat->Gmask = 0x0000ff00; vformat->Bmask = 0x000000ff; break; default: break; } /* See if gamma is supported on this screen */ DIB_CheckGamma(this); #ifndef NO_CHANGEDISPLAYSETTINGS settings.dmSize = sizeof(DEVMODE); settings.dmDriverExtra = 0; #ifdef _WIN32_WCE settings.dmFields = DM_DISPLAYQUERYORIENTATION; this->hidden->supportRotation = ChangeDisplaySettingsEx(NULL, &settings, NULL, CDS_TEST, NULL) == DISP_CHANGE_SUCCESSFUL; #endif /* Query for the desktop resolution */ SDL_desktop_mode.dmSize = sizeof(SDL_desktop_mode); SDL_desktop_mode.dmDriverExtra = 0; EnumDisplaySettings(NULL, ENUM_CURRENT_SETTINGS, &SDL_desktop_mode); this->info.current_w = SDL_desktop_mode.dmPelsWidth; this->info.current_h = SDL_desktop_mode.dmPelsHeight; /* Query for the list of available video modes */ for ( i=0; EnumDisplaySettings(NULL, i, &settings); ++i ) { DIB_AddMode(this, settings.dmBitsPerPel, settings.dmPelsWidth, settings.dmPelsHeight); #ifdef _WIN32_WCE if( this->hidden->supportRotation ) DIB_AddMode(this, settings.dmBitsPerPel, settings.dmPelsHeight, settings.dmPelsWidth); #endif } /* Sort the mode lists */ for ( i=0; i 0 ) { SDL_qsort(SDL_modelist[i], SDL_nummodes[i], sizeof *SDL_modelist[i], cmpmodes); } } #else // WinCE and fullscreen mode: // We use only vformat->BitsPerPixel that allow SDL to // emulate other bpp (8, 32) and use triple buffer, // because SDL surface conversion is much faster than the WinCE one. // Although it should be tested on devices with graphics accelerator. DIB_AddMode(this, vformat->BitsPerPixel, GetDeviceCaps(GetDC(NULL), HORZRES), GetDeviceCaps(GetDC(NULL), VERTRES)); #endif /* !NO_CHANGEDISPLAYSETTINGS */ /* Grab an identity palette if we are in a palettized mode */ if ( vformat->BitsPerPixel <= 8 ) { /* RJR: March 28, 2000 moved palette creation to "DIB_CreatePalette" */ DIB_CreatePalette(this, vformat->BitsPerPixel); } /* Fill in some window manager capabilities */ this->info.wm_available = 1; #ifdef _WIN32_WCE this->hidden->origRotation = -1; #endif /* Allow environment override of screensaver disable. */ env = SDL_getenv("SDL_VIDEO_ALLOW_SCREENSAVER"); if ( env ) { allow_screensaver = SDL_atoi(env); } else { #ifdef SDL_VIDEO_DISABLE_SCREENSAVER allow_screensaver = 0; #else allow_screensaver = 1; #endif } /* We're done! */ return(0); } /* We support any format at any dimension */ SDL_Rect **DIB_ListModes(_THIS, SDL_PixelFormat *format, Uint32 flags) { if ( (flags & SDL_FULLSCREEN) == SDL_FULLSCREEN ) { return(SDL_modelist[((format->BitsPerPixel+7)/8)-1]); } else { return((SDL_Rect **)-1); } } /* Helper fn to work out which screen depth windows is currently using. 15 bit mode is considered 555 format, 16 bit is 565. returns 0 for unknown mode. (Derived from code in sept 1999 Windows Developer Journal http://www.wdj.com/code/archive.html) */ static int DIB_SussScreenDepth() { #ifdef NO_GETDIBITS int depth; HDC hdc; hdc = GetDC(SDL_Window); depth = GetDeviceCaps(hdc, PLANES) * GetDeviceCaps(hdc, BITSPIXEL); ReleaseDC(SDL_Window, hdc); return(depth); #else int depth; int dib_size; LPBITMAPINFOHEADER dib_hdr; HDC hdc; HBITMAP hbm; /* Allocate enough space for a DIB header plus palette (for * 8-bit modes) or bitfields (for 16- and 32-bit modes) */ dib_size = sizeof(BITMAPINFOHEADER) + 256 * sizeof (RGBQUAD); dib_hdr = (LPBITMAPINFOHEADER) SDL_malloc(dib_size); SDL_memset(dib_hdr, 0, dib_size); dib_hdr->biSize = sizeof(BITMAPINFOHEADER); /* Get a device-dependent bitmap that's compatible with the screen. */ hdc = GetDC(NULL); hbm = CreateCompatibleBitmap( hdc, 1, 1 ); /* Convert the DDB to a DIB. We need to call GetDIBits twice: * the first call just fills in the BITMAPINFOHEADER; the * second fills in the bitfields or palette. */ GetDIBits(hdc, hbm, 0, 1, NULL, (LPBITMAPINFO) dib_hdr, DIB_RGB_COLORS); GetDIBits(hdc, hbm, 0, 1, NULL, (LPBITMAPINFO) dib_hdr, DIB_RGB_COLORS); DeleteObject(hbm); ReleaseDC(NULL, hdc); depth = 0; switch( dib_hdr->biBitCount ) { case 8: depth = 8; break; case 24: depth = 24; break; case 32: depth = 32; break; case 16: if( dib_hdr->biCompression == BI_BITFIELDS ) { /* check the red mask */ switch( ((DWORD*)((char*)dib_hdr + dib_hdr->biSize))[0] ) { case 0xf800: depth = 16; break; /* 565 */ case 0x7c00: depth = 15; break; /* 555 */ } } } SDL_free(dib_hdr); return depth; #endif /* NO_GETDIBITS */ } /* Various screen update functions available */ static void DIB_NormalUpdate(_THIS, int numrects, SDL_Rect *rects); static void DIB_ResizeWindow(_THIS, int width, int height, int prev_width, int prev_height, Uint32 flags) { RECT bounds; int x, y; #ifndef _WIN32_WCE /* Resize the window */ if ( !SDL_windowid && !IsZoomed(SDL_Window) ) { #else if ( !SDL_windowid ) { #endif HWND top; UINT swp_flags; const char *window = NULL; const char *center = NULL; if ( width != prev_width || height != prev_height ) { window = SDL_getenv("SDL_VIDEO_WINDOW_POS"); center = SDL_getenv("SDL_VIDEO_CENTERED"); if ( window ) { if ( SDL_sscanf(window, "%d,%d", &x, &y) == 2 ) { SDL_windowX = x; SDL_windowY = y; } if ( SDL_strcmp(window, "center") == 0 ) { center = window; } } } swp_flags = (SWP_NOCOPYBITS | SWP_SHOWWINDOW); bounds.left = SDL_windowX; bounds.top = SDL_windowY; bounds.right = SDL_windowX+width; bounds.bottom = SDL_windowY+height; #ifndef _WIN32_WCE AdjustWindowRectEx(&bounds, GetWindowLong(SDL_Window, GWL_STYLE), (GetMenu(SDL_Window) != NULL), 0); #else // The bMenu parameter must be FALSE; menu bars are not supported AdjustWindowRectEx(&bounds, GetWindowLong(SDL_Window, GWL_STYLE), 0, 0); #endif width = bounds.right-bounds.left; height = bounds.bottom-bounds.top; if ( (flags & SDL_FULLSCREEN) ) { x = (GetSystemMetrics(SM_CXSCREEN)-width)/2; y = (GetSystemMetrics(SM_CYSCREEN)-height)/2; } else if ( center ) { x = (GetSystemMetrics(SM_CXSCREEN)-width)/2; y = (GetSystemMetrics(SM_CYSCREEN)-height)/2; } else if ( SDL_windowX || SDL_windowY || window ) { x = bounds.left; y = bounds.top; } else { x = y = -1; swp_flags |= SWP_NOMOVE; } if ( flags & SDL_FULLSCREEN ) { top = HWND_TOPMOST; } else { top = HWND_NOTOPMOST; } SetWindowPos(SDL_Window, top, x, y, width, height, swp_flags); if ( !(flags & SDL_FULLSCREEN) ) { SDL_windowX = SDL_bounds.left; SDL_windowY = SDL_bounds.top; } if ( GetParent(SDL_Window) == NULL ) { SetForegroundWindow(SDL_Window); } } } SDL_Surface *DIB_SetVideoMode(_THIS, SDL_Surface *current, int width, int height, int bpp, Uint32 flags) { SDL_Surface *video; int prev_w, prev_h; Uint32 prev_flags; DWORD style; const DWORD directstyle = (WS_POPUP); const DWORD windowstyle = (WS_OVERLAPPED|WS_CAPTION|WS_SYSMENU|WS_MINIMIZEBOX); const DWORD resizestyle = (WS_THICKFRAME|WS_MAXIMIZEBOX); int binfo_size; BITMAPINFO *binfo; HDC hdc; Uint32 Rmask, Gmask, Bmask; prev_w = current->w; prev_h = current->h; prev_flags = current->flags; /* * Special case for OpenGL windows...since the app needs to call * SDL_SetVideoMode() in response to resize events to continue to * function, but WGL handles the GL context details behind the scenes, * there's no sense in tearing the context down just to rebuild it * to what it already was...tearing it down sacrifices your GL state * and uploaded textures. So if we're requesting the same video mode * attributes just resize the window and return immediately. */ if ( SDL_Window && ((current->flags & ~SDL_ANYFORMAT) == (flags & ~SDL_ANYFORMAT)) && (current->format->BitsPerPixel == bpp) && (flags & SDL_OPENGL) && !(flags & SDL_FULLSCREEN) ) { /* probably not safe for fs */ current->w = width; current->h = height; SDL_resizing = 1; DIB_ResizeWindow(this, width, height, prev_w, prev_h, flags); SDL_resizing = 0; return current; } /* Clean up any GL context that may be hanging around */ if ( current->flags & SDL_OPENGL ) { WIN_GL_ShutDown(this); } SDL_resizing = 1; /* Recalculate the bitmasks if necessary */ if ( bpp == current->format->BitsPerPixel ) { video = current; } else { switch (bpp) { case 15: case 16: if ( DIB_SussScreenDepth() == 15 ) { /* 5-5-5 */ Rmask = 0x00007c00; Gmask = 0x000003e0; Bmask = 0x0000001f; } else { /* 5-6-5 */ Rmask = 0x0000f800; Gmask = 0x000007e0; Bmask = 0x0000001f; } break; case 24: case 32: /* GDI defined as 8-8-8 */ Rmask = 0x00ff0000; Gmask = 0x0000ff00; Bmask = 0x000000ff; break; default: Rmask = 0x00000000; Gmask = 0x00000000; Bmask = 0x00000000; break; } video = SDL_CreateRGBSurface(SDL_SWSURFACE, 0, 0, bpp, Rmask, Gmask, Bmask, 0); if ( video == NULL ) { SDL_OutOfMemory(); return(NULL); } } /* Fill in part of the video surface */ video->flags = 0; /* Clear flags */ video->w = width; video->h = height; video->pitch = SDL_CalculatePitch(video); if (!video->pitch) { return(NULL); } /* Small fix for WinCE/Win32 - when activating window SDL_VideoSurface is equal to zero, so activating code is not called properly for fullscreen windows because macros WINDIB_FULLSCREEN uses SDL_VideoSurface */ SDL_VideoSurface = video; #if defined(_WIN32_WCE) if ( flags & SDL_FULLSCREEN ) video->flags |= SDL_FULLSCREEN; #endif #ifndef NO_CHANGEDISPLAYSETTINGS /* Set fullscreen mode if appropriate */ if ( (flags & SDL_FULLSCREEN) == SDL_FULLSCREEN ) { DEVMODE settings; BOOL changed; SDL_memset(&settings, 0, sizeof(DEVMODE)); settings.dmSize = sizeof(DEVMODE); #ifdef _WIN32_WCE // try to rotate screen to fit requested resolution if( this->hidden->supportRotation ) { DWORD rotation; // ask current mode settings.dmFields = DM_DISPLAYORIENTATION; ChangeDisplaySettingsEx(NULL, &settings, NULL, CDS_TEST, NULL); rotation = settings.dmDisplayOrientation; if( (width > GetDeviceCaps(GetDC(NULL), HORZRES)) && (height < GetDeviceCaps(GetDC(NULL), VERTRES))) { switch( rotation ) { case DMDO_0: settings.dmDisplayOrientation = DMDO_90; break; case DMDO_270: settings.dmDisplayOrientation = DMDO_180; break; } if( settings.dmDisplayOrientation != rotation ) { // go to landscape this->hidden->origRotation = rotation; ChangeDisplaySettingsEx(NULL,&settings,NULL,CDS_RESET,NULL); } } if( (width < GetDeviceCaps(GetDC(NULL), HORZRES)) && (height > GetDeviceCaps(GetDC(NULL), VERTRES))) { switch( rotation ) { case DMDO_90: settings.dmDisplayOrientation = DMDO_0; break; case DMDO_180: settings.dmDisplayOrientation = DMDO_270; break; } if( settings.dmDisplayOrientation != rotation ) { // go to portrait this->hidden->origRotation = rotation; ChangeDisplaySettingsEx(NULL,&settings,NULL,CDS_RESET,NULL); } } } #endif #ifndef _WIN32_WCE settings.dmBitsPerPel = video->format->BitsPerPixel; settings.dmPelsWidth = width; settings.dmPelsHeight = height; settings.dmFields = DM_PELSWIDTH | DM_PELSHEIGHT | DM_BITSPERPEL; if ( width <= (int)SDL_desktop_mode.dmPelsWidth && height <= (int)SDL_desktop_mode.dmPelsHeight ) { settings.dmDisplayFrequency = SDL_desktop_mode.dmDisplayFrequency; settings.dmFields |= DM_DISPLAYFREQUENCY; } changed = (ChangeDisplaySettings(&settings, CDS_FULLSCREEN) == DISP_CHANGE_SUCCESSFUL); if ( ! changed && (settings.dmFields & DM_DISPLAYFREQUENCY) ) { settings.dmFields &= ~DM_DISPLAYFREQUENCY; changed = (ChangeDisplaySettings(&settings, CDS_FULLSCREEN) == DISP_CHANGE_SUCCESSFUL); } #else changed = 1; #endif if ( changed ) { video->flags |= SDL_FULLSCREEN; SDL_fullscreen_mode = settings; } } #endif /* !NO_CHANGEDISPLAYSETTINGS */ /* Reset the palette and create a new one if necessary */ if ( grab_palette ) { DIB_ReleaseStaticColors(SDL_Window); grab_palette = FALSE; } if ( screen_pal != NULL ) { /* RJR: March 28, 2000 delete identity palette if switching from a palettized mode */ DeleteObject(screen_pal); screen_pal = NULL; } if ( screen_logpal != NULL ) { SDL_free(screen_logpal); screen_logpal = NULL; } if ( bpp <= 8 ) { /* RJR: March 28, 2000 create identity palette switching to a palettized mode */ DIB_CreatePalette(this, bpp); } style = GetWindowLong(SDL_Window, GWL_STYLE); style &= ~(resizestyle|WS_MAXIMIZE); if ( (video->flags & SDL_FULLSCREEN) == SDL_FULLSCREEN ) { style &= ~windowstyle; style |= directstyle; } else { #ifndef NO_CHANGEDISPLAYSETTINGS if ( (prev_flags & SDL_FULLSCREEN) == SDL_FULLSCREEN ) { ChangeDisplaySettings(NULL, CDS_FULLSCREEN); } #endif if ( flags & SDL_NOFRAME ) { style &= ~windowstyle; style |= directstyle; video->flags |= SDL_NOFRAME; } else { style &= ~directstyle; style |= windowstyle; if ( flags & SDL_RESIZABLE ) { style |= resizestyle; video->flags |= SDL_RESIZABLE; } } #if WS_MAXIMIZE && !defined(_WIN32_WCE) if (IsZoomed(SDL_Window)) style |= WS_MAXIMIZE; #endif } /* DJM: Don't piss of anyone who has setup his own window */ if ( !SDL_windowid ) SetWindowLong(SDL_Window, GWL_STYLE, style); /* Delete the old bitmap if necessary */ if ( screen_bmp != NULL ) { DeleteObject(screen_bmp); } if ( ! (flags & SDL_OPENGL) ) { BOOL is16bitmode = (video->format->BytesPerPixel == 2); /* Suss out the bitmap info header */ binfo_size = sizeof(*binfo); if( is16bitmode ) { /* 16bit modes, palette area used for rgb bitmasks */ binfo_size += 3*sizeof(DWORD); } else if ( video->format->palette ) { binfo_size += video->format->palette->ncolors * sizeof(RGBQUAD); } binfo = (BITMAPINFO *)SDL_malloc(binfo_size); if ( ! binfo ) { if ( video != current ) { SDL_FreeSurface(video); } SDL_OutOfMemory(); return(NULL); } binfo->bmiHeader.biSize = sizeof(BITMAPINFOHEADER); binfo->bmiHeader.biWidth = video->w; binfo->bmiHeader.biHeight = -video->h; /* -ve for topdown bitmap */ binfo->bmiHeader.biPlanes = 1; binfo->bmiHeader.biSizeImage = video->h * video->pitch; binfo->bmiHeader.biXPelsPerMeter = 0; binfo->bmiHeader.biYPelsPerMeter = 0; binfo->bmiHeader.biClrUsed = 0; binfo->bmiHeader.biClrImportant = 0; binfo->bmiHeader.biBitCount = video->format->BitsPerPixel; if ( is16bitmode ) { /* BI_BITFIELDS tells CreateDIBSection about the rgb masks in the palette */ binfo->bmiHeader.biCompression = BI_BITFIELDS; ((Uint32*)binfo->bmiColors)[0] = video->format->Rmask; ((Uint32*)binfo->bmiColors)[1] = video->format->Gmask; ((Uint32*)binfo->bmiColors)[2] = video->format->Bmask; } else { binfo->bmiHeader.biCompression = BI_RGB; /* BI_BITFIELDS for 565 vs 555 */ if ( video->format->palette ) { SDL_memset(binfo->bmiColors, 0, video->format->palette->ncolors*sizeof(RGBQUAD)); } } /* Create the offscreen bitmap buffer */ hdc = GetDC(SDL_Window); screen_bmp = CreateDIBSection(hdc, binfo, DIB_RGB_COLORS, (void **)(&video->pixels), NULL, 0); ReleaseDC(SDL_Window, hdc); SDL_free(binfo); if ( screen_bmp == NULL ) { if ( video != current ) { SDL_FreeSurface(video); } SDL_SetError("Couldn't create DIB section"); return(NULL); } this->UpdateRects = DIB_NormalUpdate; /* Set video surface flags */ if ( screen_pal && (flags & (SDL_FULLSCREEN|SDL_HWPALETTE)) ) { grab_palette = TRUE; } if ( screen_pal ) { /* BitBlt() maps colors for us */ video->flags |= SDL_HWPALETTE; } } DIB_ResizeWindow(this, width, height, prev_w, prev_h, flags); SDL_resizing = 0; /* Set up for OpenGL */ if ( flags & SDL_OPENGL ) { if ( WIN_GL_SetupWindow(this) < 0 ) { return(NULL); } video->flags |= SDL_OPENGL; } /* JC 14 Mar 2006 Flush the message loop or this can cause big problems later Especially if the user decides to use dialog boxes or assert()! */ WIN_FlushMessageQueue(); /* We're live! */ return(video); } /* We don't actually allow hardware surfaces in the DIB driver */ static int DIB_AllocHWSurface(_THIS, SDL_Surface *surface) { return(-1); } static void DIB_FreeHWSurface(_THIS, SDL_Surface *surface) { return; } static int DIB_LockHWSurface(_THIS, SDL_Surface *surface) { return(0); } static void DIB_UnlockHWSurface(_THIS, SDL_Surface *surface) { return; } static void DIB_NormalUpdate(_THIS, int numrects, SDL_Rect *rects) { HDC hdc, mdc; int i; hdc = GetDC(SDL_Window); if ( screen_pal ) { SelectPalette(hdc, screen_pal, FALSE); } mdc = CreateCompatibleDC(hdc); SelectObject(mdc, screen_bmp); for ( i=0; ipalNumEntries; for ( i = 0; i < nentries; ++i ) { entry = &pal->palPalEntry[i]; if ( entry->peRed == r && entry->peGreen == g && entry->peBlue == b ) { return i; } } return -1; } static BOOL CheckPaletteEntry(LOGPALETTE *pal, int index, BYTE r, BYTE g, BYTE b) { PALETTEENTRY *entry; BOOL moved = 0; entry = &pal->palPalEntry[index]; if ( entry->peRed != r || entry->peGreen != g || entry->peBlue != b ) { int found = FindPaletteIndex(pal, r, g, b); if ( found >= 0 ) { pal->palPalEntry[found] = *entry; } entry->peRed = r; entry->peGreen = g; entry->peBlue = b; moved = 1; } entry->peFlags = 0; return moved; } int DIB_SetColors(_THIS, int firstcolor, int ncolors, SDL_Color *colors) { #if !defined(_WIN32_WCE) || (_WIN32_WCE >= 400) HDC hdc, mdc; RGBQUAD *pal; #else HDC hdc; #endif int i; int moved_entries = 0; /* Update the display palette */ hdc = GetDC(SDL_Window); if ( screen_pal ) { PALETTEENTRY *entry; for ( i=0; ipalPalEntry[firstcolor+i]; entry->peRed = colors[i].r; entry->peGreen = colors[i].g; entry->peBlue = colors[i].b; entry->peFlags = PC_NOCOLLAPSE; } #if defined(SYSPAL_NOSTATIC) && !defined(_WIN32_WCE) /* Check to make sure black and white are in position */ if ( GetSystemPaletteUse(hdc) != SYSPAL_NOSTATIC256 ) { moved_entries += CheckPaletteEntry(screen_logpal, 0, 0x00, 0x00, 0x00); moved_entries += CheckPaletteEntry(screen_logpal, screen_logpal->palNumEntries-1, 0xff, 0xff, 0xff); } /* FIXME: If we don't have full access to the palette, what we really want to do is find the 236 most diverse colors in the desired palette, set those entries (10-245) and then map everything into the new system palette. */ #endif #ifndef _WIN32_WCE /* Copy the entries into the system palette */ UnrealizeObject(screen_pal); #endif SetPaletteEntries(screen_pal, 0, screen_logpal->palNumEntries, screen_logpal->palPalEntry); SelectPalette(hdc, screen_pal, FALSE); RealizePalette(hdc); } #if !defined(_WIN32_WCE) || (_WIN32_WCE >= 400) /* Copy palette colors into DIB palette */ pal = SDL_stack_alloc(RGBQUAD, ncolors); for ( i=0; iscreen->w, this->screen->h, mdc, 0, 0, SRCCOPY); } DeleteDC(mdc); SDL_stack_free(pal); #endif ReleaseDC(SDL_Window, hdc); return(1); } static void DIB_CheckGamma(_THIS) { #ifndef NO_GAMMA_SUPPORT HDC hdc; WORD ramp[3*256]; /* If we fail to get gamma, disable gamma control */ hdc = GetDC(SDL_Window); if ( ! GetDeviceGammaRamp(hdc, ramp) ) { this->GetGammaRamp = NULL; this->SetGammaRamp = NULL; } ReleaseDC(SDL_Window, hdc); #endif /* !NO_GAMMA_SUPPORT */ } void DIB_SwapGamma(_THIS) { #ifndef NO_GAMMA_SUPPORT HDC hdc; if ( gamma_saved ) { hdc = GetDC(SDL_Window); if ( SDL_GetAppState() & SDL_APPINPUTFOCUS ) { /* About to leave active state, restore gamma */ SetDeviceGammaRamp(hdc, gamma_saved); } else { /* About to enter active state, set game gamma */ GetDeviceGammaRamp(hdc, gamma_saved); SetDeviceGammaRamp(hdc, this->gamma); } ReleaseDC(SDL_Window, hdc); } #endif /* !NO_GAMMA_SUPPORT */ } void DIB_QuitGamma(_THIS) { #ifndef NO_GAMMA_SUPPORT if ( gamma_saved ) { /* Restore the original gamma if necessary */ if ( SDL_GetAppState() & SDL_APPINPUTFOCUS ) { HDC hdc; hdc = GetDC(SDL_Window); SetDeviceGammaRamp(hdc, gamma_saved); ReleaseDC(SDL_Window, hdc); } /* Free the saved gamma memory */ SDL_free(gamma_saved); gamma_saved = 0; } #endif /* !NO_GAMMA_SUPPORT */ } int DIB_SetGammaRamp(_THIS, Uint16 *ramp) { #ifdef NO_GAMMA_SUPPORT SDL_SetError("SDL compiled without gamma ramp support"); return -1; #else HDC hdc; BOOL succeeded; /* Set the ramp for the display */ if ( ! gamma_saved ) { gamma_saved = (WORD *)SDL_malloc(3*256*sizeof(*gamma_saved)); if ( ! gamma_saved ) { SDL_OutOfMemory(); return -1; } hdc = GetDC(SDL_Window); GetDeviceGammaRamp(hdc, gamma_saved); ReleaseDC(SDL_Window, hdc); } if ( SDL_GetAppState() & SDL_APPINPUTFOCUS ) { hdc = GetDC(SDL_Window); succeeded = SetDeviceGammaRamp(hdc, ramp); ReleaseDC(SDL_Window, hdc); } else { succeeded = TRUE; } return succeeded ? 0 : -1; #endif /* !NO_GAMMA_SUPPORT */ } int DIB_GetGammaRamp(_THIS, Uint16 *ramp) { #ifdef NO_GAMMA_SUPPORT SDL_SetError("SDL compiled without gamma ramp support"); return -1; #else HDC hdc; BOOL succeeded; /* Get the ramp from the display */ hdc = GetDC(SDL_Window); succeeded = GetDeviceGammaRamp(hdc, ramp); ReleaseDC(SDL_Window, hdc); return succeeded ? 0 : -1; #endif /* !NO_GAMMA_SUPPORT */ } void DIB_VideoQuit(_THIS) { int i, j; /* Destroy the window and everything associated with it */ if ( SDL_Window ) { /* Delete the screen bitmap (also frees screen->pixels) */ if ( this->screen ) { if ( grab_palette ) { DIB_ReleaseStaticColors(SDL_Window); } #ifndef NO_CHANGEDISPLAYSETTINGS if ( this->screen->flags & SDL_FULLSCREEN ) { ChangeDisplaySettings(NULL, CDS_FULLSCREEN); ShowWindow(SDL_Window, SW_HIDE); } #endif if ( this->screen->flags & SDL_OPENGL ) { WIN_GL_ShutDown(this); } this->screen->pixels = NULL; } if ( screen_pal != NULL ) { DeleteObject(screen_pal); screen_pal = NULL; } if ( screen_logpal != NULL ) { SDL_free(screen_logpal); screen_logpal = NULL; } if ( screen_bmp ) { DeleteObject(screen_bmp); screen_bmp = NULL; } if ( screen_icn ) { DestroyIcon(screen_icn); screen_icn = NULL; } DIB_QuitGamma(this); DIB_DestroyWindow(this); SDL_Window = NULL; #if defined(_WIN32_WCE) // Unload wince aygshell library to prevent leak if( aygshell ) { FreeLibrary(aygshell); aygshell = NULL; } #endif } for ( i=0; i < SDL_arraysize(SDL_modelist); ++i ) { if ( !SDL_modelist[i] ) { continue; } for ( j=0; SDL_modelist[i][j]; ++j ) { SDL_free(SDL_modelist[i][j]); } SDL_free(SDL_modelist[i]); SDL_modelist[i] = NULL; SDL_nummodes[i] = 0; } } /* Exported for the windows message loop only */ static void DIB_GrabStaticColors(HWND window) { #if defined(SYSPAL_NOSTATIC) && !defined(_WIN32_WCE) HDC hdc; hdc = GetDC(window); SetSystemPaletteUse(hdc, SYSPAL_NOSTATIC256); if ( GetSystemPaletteUse(hdc) != SYSPAL_NOSTATIC256 ) { SetSystemPaletteUse(hdc, SYSPAL_NOSTATIC); } ReleaseDC(window, hdc); #endif } static void DIB_ReleaseStaticColors(HWND window) { #if defined(SYSPAL_NOSTATIC) && !defined(_WIN32_WCE) HDC hdc; hdc = GetDC(window); SetSystemPaletteUse(hdc, SYSPAL_STATIC); ReleaseDC(window, hdc); #endif } static void DIB_Activate(_THIS, BOOL active, BOOL minimized) { if ( grab_palette ) { if ( !active ) { DIB_ReleaseStaticColors(SDL_Window); DIB_RealizePalette(this); } else if ( !minimized ) { DIB_GrabStaticColors(SDL_Window); DIB_RealizePalette(this); } } } static void DIB_RealizePalette(_THIS) { if ( screen_pal != NULL ) { HDC hdc; hdc = GetDC(SDL_Window); #ifndef _WIN32_WCE UnrealizeObject(screen_pal); #endif SelectPalette(hdc, screen_pal, FALSE); if ( RealizePalette(hdc) ) { InvalidateRect(SDL_Window, NULL, FALSE); } ReleaseDC(SDL_Window, hdc); } } static void DIB_PaletteChanged(_THIS, HWND window) { if ( window != SDL_Window ) { DIB_RealizePalette(this); } } /* Exported for the windows message loop only */ static void DIB_WinPAINT(_THIS, HDC hdc) { HDC mdc; if ( screen_pal ) { SelectPalette(hdc, screen_pal, FALSE); } mdc = CreateCompatibleDC(hdc); SelectObject(mdc, screen_bmp); BitBlt(hdc, 0, 0, SDL_VideoSurface->w, SDL_VideoSurface->h, mdc, 0, 0, SRCCOPY); DeleteDC(mdc); } /* Stub in case DirectX isn't available */ #if !SDL_AUDIO_DRIVER_DSOUND void DX5_SoundFocus(HWND hwnd) { return; } #endif