--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/symbian-qemu-0.9.1-12/libsdl-trunk/src/video/windib/SDL_dibvideo.c Fri Jul 31 15:01:17 2009 +0100
@@ -0,0 +1,1250 @@
+/*
+ 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
+*/
+#include "SDL_config.h"
+
+#define WIN32_LEAN_AND_MEAN
+#include <windows.h>
+
+/* 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_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
+#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
+#ifndef SYSPAL_NOSTATIC256
+#define SYSPAL_NOSTATIC256 3
+#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 ) {
+ 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));
+ 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, 0, (sizeof *device->hidden));
+ 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; i<SDL_nummodes[index]; ++i ) {
+ mode = SDL_modelist[index][i];
+ if ( (mode->w == 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 */
+ 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<NUM_MODELISTS; ++i ) {
+ if ( SDL_nummodes[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");
+ this->hidden->allow_screensaver = ( (env && SDL_atoi(env)) ? 1 : 0 );
+
+ /* 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);
+
+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;
+ RECT bounds;
+ int x, y;
+ Uint32 Rmask, Gmask, Bmask;
+
+ prev_flags = current->flags;
+
+ /* 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 */
+ prev_w = video->w;
+ prev_h = video->h;
+ video->flags = 0; /* Clear flags */
+ video->w = width;
+ video->h = height;
+ video->pitch = SDL_CalculatePitch(video);
+
+ /* 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, 0);
+ }
+#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
+ 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;
+ }
+ /* BitBlt() maps colors for us */
+ video->flags |= SDL_HWPALETTE;
+ }
+#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 ( video->w != prev_w || video->h != prev_h ) {
+ 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+video->w;
+ bounds.bottom = SDL_windowY+video->h;
+#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;
+ }
+ SetForegroundWindow(SDL_Window);
+ }
+ 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; i<numrects; ++i ) {
+ BitBlt(hdc, rects[i].x, rects[i].y, rects[i].w, rects[i].h,
+ mdc, rects[i].x, rects[i].y, SRCCOPY);
+ }
+ DeleteDC(mdc);
+ ReleaseDC(SDL_Window, hdc);
+}
+
+static int FindPaletteIndex(LOGPALETTE *pal, BYTE r, BYTE g, BYTE b)
+{
+ PALETTEENTRY *entry;
+ int i;
+ int nentries = pal->palNumEntries;
+
+ 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; i<ncolors; ++i ) {
+ entry = &screen_logpal->palPalEntry[firstcolor+i];
+ entry->peRed = colors[i].r;
+ entry->peGreen = colors[i].g;
+ entry->peBlue = colors[i].b;
+ entry->peFlags = PC_NOCOLLAPSE;
+ }
+#ifdef SYSPAL_NOSTATIC
+ /* 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; i<ncolors; ++i ) {
+ pal[i].rgbRed = colors[i].r;
+ pal[i].rgbGreen = colors[i].g;
+ pal[i].rgbBlue = colors[i].b;
+ pal[i].rgbReserved = 0;
+ }
+
+ /* Set the DIB palette and update the display */
+ mdc = CreateCompatibleDC(hdc);
+ SelectObject(mdc, screen_bmp);
+ SetDIBColorTable(mdc, firstcolor, ncolors, pal);
+ if ( moved_entries || !grab_palette ) {
+ BitBlt(hdc, 0, 0, this->screen->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, 0);
+ 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)
+{
+#ifdef SYSPAL_NOSTATIC
+ 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)
+{
+#ifdef SYSPAL_NOSTATIC
+ 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