Mercurial > sdl-ios-xcode
view src/video/bwindow/SDL_sysvideo.cc @ 364:4cc7275320a5
Fixed MacOS X installation for SDL 1.2.4 release (thanks Darrell)
author | Sam Lantinga <slouken@libsdl.org> |
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date | Thu, 25 Apr 2002 16:09:05 +0000 |
parents | f6ffac90895c |
children | 10332c6fad2e |
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/* SDL - Simple DirectMedia Layer Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002 Sam Lantinga This library is free software; you can redistribute it and/or modify it under the terms of the GNU Library General Public License as published by the Free Software Foundation; either version 2 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 Library General Public License for more details. You should have received a copy of the GNU Library General Public License along with this library; if not, write to the Free Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA Sam Lantinga slouken@libsdl.org */ #ifdef SAVE_RCSID static char rcsid = "@(#) $Id$"; #endif /* BWindow based framebuffer implementation */ #include <stdlib.h> #include <string.h> #include <stdio.h> #include <unistd.h> #include "SDL.h" #include "SDL_BeApp.h" #include "SDL_BWin.h" #include "SDL_timer.h" #include "blank_cursor.h" extern "C" { #include "SDL_sysvideo.h" #include "SDL_sysmouse_c.h" #include "SDL_sysevents_c.h" #include "SDL_events_c.h" #include "SDL_syswm_c.h" #include "SDL_lowvideo.h" #define BEOS_HIDDEN_SIZE 32 /* starting hidden window size */ /* Initialization/Query functions */ static int BE_VideoInit(_THIS, SDL_PixelFormat *vformat); static SDL_Rect **BE_ListModes(_THIS, SDL_PixelFormat *format, Uint32 flags); static SDL_Surface *BE_SetVideoMode(_THIS, SDL_Surface *current, int width, int height, int bpp, Uint32 flags); static void BE_UpdateMouse(_THIS); static int BE_SetColors(_THIS, int firstcolor, int ncolors, SDL_Color *colors); static void BE_VideoQuit(_THIS); /* Hardware surface functions */ static int BE_AllocHWSurface(_THIS, SDL_Surface *surface); static int BE_LockHWSurface(_THIS, SDL_Surface *surface); static void BE_UnlockHWSurface(_THIS, SDL_Surface *surface); static void BE_FreeHWSurface(_THIS, SDL_Surface *surface); static int BE_ToggleFullScreen(_THIS, int fullscreen); /* OpenGL functions */ #ifdef HAVE_OPENGL static void BE_GL_SwapBuffers(_THIS); #endif /* FB driver bootstrap functions */ static int BE_Available(void) { return(1); } static void BE_DeleteDevice(SDL_VideoDevice *device) { free(device->hidden); free(device); } static SDL_VideoDevice *BE_CreateDevice(int devindex) { SDL_VideoDevice *device; /* Initialize all variables that we clean on shutdown */ device = (SDL_VideoDevice *)malloc(sizeof(SDL_VideoDevice)); if ( device ) { 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); } memset(device->hidden, 0, (sizeof *device->hidden)); /* Set the function pointers */ device->VideoInit = BE_VideoInit; device->ListModes = BE_ListModes; device->SetVideoMode = BE_SetVideoMode; device->UpdateMouse = BE_UpdateMouse; device->SetColors = BE_SetColors; device->UpdateRects = NULL; device->VideoQuit = BE_VideoQuit; device->AllocHWSurface = BE_AllocHWSurface; device->CheckHWBlit = NULL; device->FillHWRect = NULL; device->SetHWColorKey = NULL; device->SetHWAlpha = NULL; device->LockHWSurface = BE_LockHWSurface; device->UnlockHWSurface = BE_UnlockHWSurface; device->FlipHWSurface = NULL; device->FreeHWSurface = BE_FreeHWSurface; #ifdef HAVE_OPENGL device->GL_SwapBuffers = BE_GL_SwapBuffers; #endif device->SetIcon = NULL; device->SetCaption = BE_SetWMCaption; device->GetWMInfo = NULL; device->FreeWMCursor = BE_FreeWMCursor; device->CreateWMCursor = BE_CreateWMCursor; device->ShowWMCursor = BE_ShowWMCursor; device->WarpWMCursor = BE_WarpWMCursor; device->InitOSKeymap = BE_InitOSKeymap; device->PumpEvents = BE_PumpEvents; device->free = BE_DeleteDevice; device->ToggleFullScreen = BE_ToggleFullScreen; /* Set the driver flags */ device->handles_any_size = 1; return device; } VideoBootStrap BWINDOW_bootstrap = { "bwindow", "BDirectWindow graphics", BE_Available, BE_CreateDevice }; static inline int ColorSpaceToBitsPerPixel(uint32 colorspace) { int bitsperpixel; bitsperpixel = 0; switch (colorspace) { case B_CMAP8: bitsperpixel = 8; break; case B_RGB15: case B_RGBA15: case B_RGB15_BIG: case B_RGBA15_BIG: bitsperpixel = 15; break; case B_RGB16: case B_RGB16_BIG: bitsperpixel = 16; break; case B_RGB32: case B_RGBA32: case B_RGB32_BIG: case B_RGBA32_BIG: bitsperpixel = 32; break; default: break; } return(bitsperpixel); } /* Function to sort the display_list in bscreen */ static int CompareModes(const void *A, const void *B) { const display_mode *a = (display_mode *)A; const display_mode *b = (display_mode *)B; if ( a->space == b->space ) { return((b->virtual_width*b->virtual_height)- (a->virtual_width*a->virtual_height)); } else { return(ColorSpaceToBitsPerPixel(b->space)- ColorSpaceToBitsPerPixel(a->space)); } } /* Yes, this isn't the fastest it could be, but it works nicely */ static int BE_AddMode(_THIS, int index, unsigned int w, unsigned int h) { SDL_Rect *mode; int i; int next_mode; /* Check to see if we already have this mode */ if ( SDL_nummodes[index] > 0 ) { for ( i=SDL_nummodes[index]-1; i >= 0; --i ) { mode = SDL_modelist[index][i]; if ( (mode->w == w) && (mode->h == h) ) { #ifdef BWINDOW_DEBUG fprintf(stderr, "We already have mode %dx%d at %d bytes per pixel\n", w, h, index+1); #endif return(0); } } } /* Set up the new video mode rectangle */ mode = (SDL_Rect *)malloc(sizeof *mode); if ( mode == NULL ) { SDL_OutOfMemory(); return(-1); } mode->x = 0; mode->y = 0; mode->w = w; mode->h = h; #ifdef BWINDOW_DEBUG fprintf(stderr, "Adding mode %dx%d at %d bytes per pixel\n", w, h, index+1); #endif /* Allocate the new list of modes, and fill in the new mode */ next_mode = SDL_nummodes[index]; SDL_modelist[index] = (SDL_Rect **) realloc(SDL_modelist[index], (1+next_mode+1)*sizeof(SDL_Rect *)); if ( SDL_modelist[index] == NULL ) { SDL_OutOfMemory(); SDL_nummodes[index] = 0; free(mode); return(-1); } SDL_modelist[index][next_mode] = mode; SDL_modelist[index][next_mode+1] = NULL; SDL_nummodes[index]++; return(0); } int BE_VideoInit(_THIS, SDL_PixelFormat *vformat) { display_mode *modes; uint32 i, nmodes; int bpp; BRect bounds; /* Initialize the Be Application for appserver interaction */ if ( SDL_InitBeApp() < 0 ) { return(-1); } /* It is important that this be created after SDL_InitBeApp() */ BScreen bscreen; /* Save the current display mode */ bscreen.GetMode(&saved_mode); /* Determine the screen depth */ vformat->BitsPerPixel = ColorSpaceToBitsPerPixel(bscreen.ColorSpace()); if ( vformat->BitsPerPixel == 0 ) { SDL_SetError("Unknown BScreen colorspace: 0x%x", bscreen.ColorSpace()); return(-1); } /* Get the video modes we can switch to in fullscreen mode */ bscreen.GetModeList(&modes, &nmodes); qsort(modes, nmodes, sizeof *modes, CompareModes); for ( i=0; i<nmodes; ++i ) { bpp = ColorSpaceToBitsPerPixel(modes[i].space); //if ( bpp != 0 ) { // There are bugs in changing colorspace if ( modes[i].space == saved_mode.space ) { BE_AddMode(_this, ((bpp+7)/8)-1, modes[i].virtual_width, modes[i].virtual_height); } } /* Create the window and view */ bounds.top = 0; bounds.left = 0; bounds.right = BEOS_HIDDEN_SIZE; bounds.bottom = BEOS_HIDDEN_SIZE; SDL_Win = new SDL_BWin(bounds); /* Create the clear cursor */ SDL_BlankCursor = BE_CreateWMCursor(_this, blank_cdata, blank_cmask, BLANK_CWIDTH, BLANK_CHEIGHT, BLANK_CHOTX, BLANK_CHOTY); /* Fill in some window manager capabilities */ _this->info.wm_available = 1; /* We're done! */ return(0); } /* We support any dimension at our bit-depth */ SDL_Rect **BE_ListModes(_THIS, SDL_PixelFormat *format, Uint32 flags) { SDL_Rect **modes; modes = ((SDL_Rect **)0); if ( (flags & SDL_FULLSCREEN) == SDL_FULLSCREEN ) { modes = SDL_modelist[((format->BitsPerPixel+7)/8)-1]; } else { if ( format->BitsPerPixel == _this->screen->format->BitsPerPixel ) { modes = ((SDL_Rect **)-1); } } return(modes); } /* Various screen update functions available */ static void BE_NormalUpdate(_THIS, int numrects, SDL_Rect *rects); /* Find the closest display mode for fullscreen */ static bool BE_FindClosestFSMode(_THIS, int width, int height, int bpp, display_mode *mode) { BScreen bscreen; uint32 i, nmodes; SDL_Rect **modes; display_mode *dmodes; modes = SDL_modelist[((bpp+7)/8)-1]; for ( i=0; modes[i] && (modes[i]->w > width) && (modes[i]->h > height); ++i ) { /* still looking */ } if ( ! modes[i] || (modes[i]->w < width) || (modes[i]->h < width) ) { --i; /* We went too far */ } width = modes[i]->w; height = modes[i]->h; bscreen.GetModeList(&dmodes, &nmodes); for ( i = 0; i < nmodes; ++i ) { if ( (bpp == ColorSpaceToBitsPerPixel(dmodes[i].space)) && (width == dmodes[i].virtual_width) && (height == dmodes[i].virtual_height) ) { break; } } if ( i != nmodes ) { *mode = dmodes[i]; return true; } else { return false; } } static int BE_SetFullScreen(_THIS, SDL_Surface *screen, int fullscreen) { int was_fullscreen; bool needs_unlock; BScreen bscreen; BRect bounds; display_mode mode; int width, height, bpp; /* Set the fullscreen mode */ was_fullscreen = SDL_Win->IsFullScreen(); SDL_Win->SetFullScreen(fullscreen); fullscreen = SDL_Win->IsFullScreen(); width = screen->w; height = screen->h; /* Set the appropriate video mode */ if ( fullscreen ) { bpp = screen->format->BitsPerPixel; bscreen.GetMode(&mode); if ( (bpp != ColorSpaceToBitsPerPixel(mode.space)) || (width != mode.virtual_width) || (height != mode.virtual_height)) { if(BE_FindClosestFSMode(_this, width, height, bpp, &mode)) { bscreen.SetMode(&mode); /* This simply stops the next resize event from being * sent to the SDL handler. */ SDL_Win->InhibitResize(); } else { fullscreen = 0; SDL_Win->SetFullScreen(fullscreen); } } } if ( was_fullscreen && ! fullscreen ) { bscreen.SetMode(&saved_mode); } if ( SDL_Win->Lock() ) { int xoff, yoff; if ( SDL_Win->Shown() ) { needs_unlock = 1; SDL_Win->Hide(); } else { needs_unlock = 0; } /* This resizes the window and view area, but inhibits resizing * of the BBitmap due to the InhibitResize call above. Thus the * bitmap (pixel data) never changes. */ SDL_Win->ResizeTo(width, height); bounds = bscreen.Frame(); /* Calculate offsets - used either to center window * (windowed mode) or to set drawing offsets (fullscreen mode) */ xoff = (bounds.IntegerWidth() - width)/2; yoff = (bounds.IntegerHeight() - height)/2; if ( fullscreen ) { /* Set offset for drawing */ SDL_Win->SetXYOffset(xoff, yoff); } else { /* Center window and reset the drawing offset */ SDL_Win->SetXYOffset(0, 0); } if ( ! needs_unlock || was_fullscreen ) { /* Center the window the first time */ SDL_Win->MoveTo(xoff > 0 ? (float)xoff : 0.0f, yoff > 0 ? (float)yoff : 0.0f); } SDL_Win->Show(); /* Unlock the window manually after the first Show() */ if ( needs_unlock ) { SDL_Win->Unlock(); } } /* Set the fullscreen flag in the screen surface */ if ( fullscreen ) { screen->flags |= SDL_FULLSCREEN; } else { screen->flags &= ~SDL_FULLSCREEN; } return(1); } static int BE_ToggleFullScreen(_THIS, int fullscreen) { return BE_SetFullScreen(_this, _this->screen, fullscreen); } /* FIXME: check return values and cleanup here */ SDL_Surface *BE_SetVideoMode(_THIS, SDL_Surface *current, int width, int height, int bpp, Uint32 flags) { BScreen bscreen; BBitmap *bbitmap; BRect bounds; /* Create the view for this window */ if ( SDL_Win->CreateView(flags) < 0 ) { return(NULL); } current->flags = 0; /* Clear flags */ current->w = width; current->h = height; SDL_Win->SetType(B_TITLED_WINDOW); if ( flags & SDL_NOFRAME ) { current->flags |= SDL_NOFRAME; SDL_Win->SetLook(B_NO_BORDER_WINDOW_LOOK); } else { if ( (flags & SDL_RESIZABLE) && !(flags & SDL_OPENGL) ) { current->flags |= SDL_RESIZABLE; /* We don't want opaque resizing (TM). :-) */ SDL_Win->SetFlags(B_OUTLINE_RESIZE); } else { SDL_Win->SetFlags(B_NOT_RESIZABLE|B_NOT_ZOOMABLE); } } if ( flags & SDL_OPENGL ) { current->flags |= SDL_OPENGL; current->pitch = 0; current->pixels = NULL; _this->UpdateRects = NULL; } else { /* Create the BBitmap framebuffer */ bounds.top = 0; bounds.left = 0; bounds.right = width-1; bounds.bottom = height-1; bbitmap = new BBitmap(bounds, bscreen.ColorSpace()); if ( ! bbitmap->IsValid() ) { SDL_SetError("Couldn't create screen bitmap"); delete bbitmap; return(NULL); } current->pitch = bbitmap->BytesPerRow(); current->pixels = (void *)bbitmap->Bits(); SDL_Win->SetBitmap(bbitmap); _this->UpdateRects = BE_NormalUpdate; } /* Set the correct fullscreen mode */ BE_SetFullScreen(_this, current, flags & SDL_FULLSCREEN ? 1 : 0); /* We're done */ return(current); } /* Update the current mouse state and position */ void BE_UpdateMouse(_THIS) { BPoint point; uint32 buttons; if ( SDL_Win->Lock() ) { /* Get new input state, if still active */ if ( SDL_Win->IsActive() ) { (SDL_Win->View())->GetMouse(&point, &buttons, true); } else { point.x = -1; point.y = -1; } SDL_Win->Unlock(); if ( (point.x >= 0) && (point.x < SDL_VideoSurface->w) && (point.y >= 0) && (point.y < SDL_VideoSurface->h) ) { SDL_PrivateAppActive(1, SDL_APPMOUSEFOCUS); SDL_PrivateMouseMotion(0, 0, (Sint16)point.x, (Sint16)point.y); } else { SDL_PrivateAppActive(0, SDL_APPMOUSEFOCUS); } } } /* We don't actually allow hardware surfaces other than the main one */ static int BE_AllocHWSurface(_THIS, SDL_Surface *surface) { return(-1); } static void BE_FreeHWSurface(_THIS, SDL_Surface *surface) { return; } static int BE_LockHWSurface(_THIS, SDL_Surface *surface) { return(0); } static void BE_UnlockHWSurface(_THIS, SDL_Surface *surface) { return; } static void BE_NormalUpdate(_THIS, int numrects, SDL_Rect *rects) { if ( SDL_Win->BeginDraw() ) { int i; for ( i=0; i<numrects; ++i ) { BRect rect; rect.top = rects[i].y; rect.left = rects[i].x; rect.bottom = rect.top+rects[i].h-1; rect.right = rect.left+rects[i].w-1; SDL_Win->DrawAsync(rect); } SDL_Win->EndDraw(); } } #ifdef HAVE_OPENGL void BE_GL_SwapBuffers(_THIS) { SDL_Win->SwapBuffers(); } #endif /* Is the system palette settable? */ int BE_SetColors(_THIS, int firstcolor, int ncolors, SDL_Color *colors) { int i; SDL_Palette *palette; const color_map *cmap = BScreen().ColorMap(); /* Get the screen colormap */ palette = _this->screen->format->palette; for ( i=0; i<256; ++i ) { palette->colors[i].r = cmap->color_list[i].red; palette->colors[i].g = cmap->color_list[i].green; palette->colors[i].b = cmap->color_list[i].blue; } return(0); } void BE_VideoQuit(_THIS) { int i, j; if ( SDL_BlankCursor != NULL ) { BE_FreeWMCursor(_this, SDL_BlankCursor); SDL_BlankCursor = NULL; } for ( i=0; i<NUM_MODELISTS; ++i ) { if ( SDL_modelist[i] ) { for ( j=0; SDL_modelist[i][j]; ++j ) { free(SDL_modelist[i][j]); } free(SDL_modelist[i]); SDL_modelist[i] = NULL; } } /* Restore the original video mode */ if ( _this->screen ) { if ( (_this->screen->flags&SDL_FULLSCREEN) == SDL_FULLSCREEN ) { BScreen bscreen; bscreen.SetMode(&saved_mode); } _this->screen->pixels = NULL; } SDL_QuitBeApp(); } }; /* Extern C */