From a855d6202536ff28e5aae4f22a0f31d8f5b325d0 Mon Sep 17 00:00:00 2001 From: Franklin Wei Date: Sat, 21 Jan 2017 15:18:31 -0500 Subject: Port of Duke Nukem 3D This ports Fabien Sanglard's Chocolate Duke to run on a version of SDL for Rockbox. Change-Id: I8f2c4c78af19de10c1633ed7bb7a997b43256dd9 --- apps/plugins/sdl/src/video/qtopia/SDL_sysvideo.cc | 403 ++++++++++++++++++++++ 1 file changed, 403 insertions(+) create mode 100644 apps/plugins/sdl/src/video/qtopia/SDL_sysvideo.cc (limited to 'apps/plugins/sdl/src/video/qtopia/SDL_sysvideo.cc') diff --git a/apps/plugins/sdl/src/video/qtopia/SDL_sysvideo.cc b/apps/plugins/sdl/src/video/qtopia/SDL_sysvideo.cc new file mode 100644 index 0000000000..0e07874c7a --- /dev/null +++ b/apps/plugins/sdl/src/video/qtopia/SDL_sysvideo.cc @@ -0,0 +1,403 @@ +/* + 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" + +/* Qtopia based framebuffer implementation */ + +#include + +#include +#include + +#include "SDL_timer.h" + +#include "SDL_QWin.h" + +extern "C" { + +#include "../SDL_sysvideo.h" +#include "../../events/SDL_events_c.h" +#include "SDL_sysevents_c.h" +#include "SDL_sysmouse_c.h" +#include "SDL_syswm_c.h" +#include "SDL_lowvideo.h" + + //#define QTOPIA_DEBUG +#define QT_HIDDEN_SIZE 32 /* starting hidden window size */ + + /* Name of the environment variable used to invert the screen rotation or not: + Possible values: + !=0 : Screen is 270° rotated + 0: Screen is 90° rotated*/ +#define SDL_QT_ROTATION_ENV_NAME "SDL_QT_INVERT_ROTATION" + + /* Initialization/Query functions */ + static int QT_VideoInit(_THIS, SDL_PixelFormat *vformat); + static SDL_Rect **QT_ListModes(_THIS, SDL_PixelFormat *format, Uint32 flags); + static SDL_Surface *QT_SetVideoMode(_THIS, SDL_Surface *current, int width, int height, int bpp, Uint32 flags); + static void QT_UpdateMouse(_THIS); + static int QT_SetColors(_THIS, int firstcolor, int ncolors, SDL_Color *colors); + static void QT_VideoQuit(_THIS); + + /* Hardware surface functions */ + static int QT_AllocHWSurface(_THIS, SDL_Surface *surface); + static int QT_LockHWSurface(_THIS, SDL_Surface *surface); + static void QT_UnlockHWSurface(_THIS, SDL_Surface *surface); + static void QT_FreeHWSurface(_THIS, SDL_Surface *surface); + + static int QT_ToggleFullScreen(_THIS, int fullscreen); + + static int QT_IconifyWindow(_THIS); + static SDL_GrabMode QT_GrabInput(_THIS, SDL_GrabMode mode); + + /* FB driver bootstrap functions */ + + static int QT_Available(void) + { + return(1); + } + + static void QT_DeleteDevice(SDL_VideoDevice *device) + { + SDL_free(device->hidden); + SDL_free(device); + } + + static SDL_VideoDevice *QT_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 == NULL) || (device->hidden == NULL) ) { + SDL_OutOfMemory(); + if ( device ) { + SDL_free(device); + } + return(0); + } + SDL_memset(device->hidden, 0, (sizeof *device->hidden)); + + /* Set the function pointers */ + device->VideoInit = QT_VideoInit; + device->ListModes = QT_ListModes; + device->SetVideoMode = QT_SetVideoMode; + device->UpdateMouse = QT_UpdateMouse; + device->SetColors = QT_SetColors; + device->UpdateRects = NULL; + device->VideoQuit = QT_VideoQuit; + device->AllocHWSurface = QT_AllocHWSurface; + device->CheckHWBlit = NULL; + device->FillHWRect = NULL; + device->SetHWColorKey = NULL; + device->SetHWAlpha = NULL; + device->LockHWSurface = QT_LockHWSurface; + device->UnlockHWSurface = QT_UnlockHWSurface; + device->FlipHWSurface = NULL; + device->FreeHWSurface = QT_FreeHWSurface; + device->SetIcon = NULL; + device->SetCaption = QT_SetWMCaption; + device->IconifyWindow = QT_IconifyWindow; + device->GrabInput = QT_GrabInput; + device->GetWMInfo = NULL; + device->FreeWMCursor = QT_FreeWMCursor; + device->CreateWMCursor = QT_CreateWMCursor; + device->ShowWMCursor = QT_ShowWMCursor; + device->WarpWMCursor = QT_WarpWMCursor; + device->InitOSKeymap = QT_InitOSKeymap; + device->PumpEvents = QT_PumpEvents; + + device->free = QT_DeleteDevice; + device->ToggleFullScreen = QT_ToggleFullScreen; + + /* Set the driver flags */ + device->handles_any_size = 0; + + return device; + } + + VideoBootStrap Qtopia_bootstrap = { + "qtopia", "Qtopia / QPE graphics", + QT_Available, QT_CreateDevice + }; + + /* Function to sort the display_list */ + static int CompareModes(const void *A, const void *B) + { +#if 0 + 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)); + } +#endif + return 0; + } + + /* Yes, this isn't the fastest it could be, but it works nicely */ + static int QT_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) ) { + 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; +#ifdef QTOPIA_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 **) + 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); + } + + int QT_VideoInit(_THIS, SDL_PixelFormat *vformat) + { + /* Initialize the QPE Application */ + /* Determine the screen depth */ + vformat->BitsPerPixel = QPixmap::defaultDepth(); + + // For now we hardcode the current depth because anything else + // might as well be emulated by SDL rather than by Qtopia. + + QSize desktop_size = qApp->desktop()->size(); + QT_AddMode(_this, ((vformat->BitsPerPixel+7)/8)-1, + desktop_size.width(), desktop_size.height()); + QT_AddMode(_this, ((vformat->BitsPerPixel+7)/8)-1, + desktop_size.height(), desktop_size.width()); + + /* Determine the current screen size */ + _this->info.current_w = desktop_size.width(); + _this->info.current_h = desktop_size.height(); + + /* Create the window / widget */ + SDL_Win = new SDL_QWin(QSize(QT_HIDDEN_SIZE, QT_HIDDEN_SIZE)); + ((QPEApplication*)qApp)->showMainWidget(SDL_Win); + /* Fill in some window manager capabilities */ + _this->info.wm_available = 0; + + /* We're done! */ + return(0); + } + + /* We support any dimension at our bit-depth */ + SDL_Rect **QT_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 QT_NormalUpdate(_THIS, int numrects, SDL_Rect *rects); + + + static int QT_SetFullScreen(_THIS, SDL_Surface *screen, int fullscreen) + { + return -1; + } + + static int QT_ToggleFullScreen(_THIS, int fullscreen) + { + return -1; + } + + /* FIXME: check return values and cleanup here */ + SDL_Surface *QT_SetVideoMode(_THIS, SDL_Surface *current, + int width, int height, int bpp, Uint32 flags) + { + + QImage *qimage; + QSize desktop_size = qApp->desktop()->size(); + + + current->flags = 0; //SDL_FULLSCREEN; // We always run fullscreen. + + if(width <= desktop_size.width() + && height <= desktop_size.height()) { + current->w = desktop_size.width(); + current->h = desktop_size.height(); + } else if(width <= desktop_size.height() && height <= desktop_size.width()) { + // Landscape mode + char * envString = SDL_getenv(SDL_QT_ROTATION_ENV_NAME); + int envValue = envString ? atoi(envString) : 0; + screenRotation = envValue ? SDL_QT_ROTATION_270 : SDL_QT_ROTATION_90; + current->h = desktop_size.width(); + current->w = desktop_size.height(); + } else { + SDL_SetError("Unsupported resolution, %dx%d\n", width, height); + } + if ( flags & SDL_OPENGL ) { + SDL_SetError("OpenGL not supported"); + return(NULL); + } + /* Create the QImage framebuffer */ + qimage = new QImage(current->w, current->h, bpp); + if (qimage->isNull()) { + SDL_SetError("Couldn't create screen bitmap"); + delete qimage; + return(NULL); + } + current->pitch = qimage->bytesPerLine(); + current->pixels = (void *)qimage->bits(); + SDL_Win->setImage(qimage); + _this->UpdateRects = QT_NormalUpdate; + SDL_Win->setFullscreen(true); + /* We're done */ + return(current); + } + + /* Update the current mouse state and position */ + void QT_UpdateMouse(_THIS) + { + QPoint point(-1, -1); + if ( SDL_Win->isActiveWindow() ) { + point = SDL_Win->mousePos(); + } + + 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 QT_AllocHWSurface(_THIS, SDL_Surface *surface) + { + return(-1); + } + static void QT_FreeHWSurface(_THIS, SDL_Surface *surface) + { + return; + } + static int QT_LockHWSurface(_THIS, SDL_Surface *surface) + { + return(0); + } + static void QT_UnlockHWSurface(_THIS, SDL_Surface *surface) + { + return; + } + + static void QT_NormalUpdate(_THIS, int numrects, SDL_Rect *rects) + { + if(SDL_Win->lockScreen()) { + for(int i=0; irepaintRect(rect); + } + SDL_Win->unlockScreen(); + } + } + /* Is the system palette settable? */ + int QT_SetColors(_THIS, int firstcolor, int ncolors, SDL_Color *colors) + { + return -1; + } + + void QT_VideoQuit(_THIS) + { + // This is dumb, but if I free this, the app doesn't exit correctly. + // Of course, this will leak memory if init video is done more than once. + // Sucks but such is life. + + // -- David Hedbor + // delete SDL_Win; + // SDL_Win = 0; + _this->screen->pixels = NULL; + QT_GrabInput(_this, SDL_GRAB_OFF); + } + + static int QT_IconifyWindow(_THIS) { + SDL_Win->hide(); + + return true; + } + + static SDL_GrabMode QT_GrabInput(_THIS, SDL_GrabMode mode) { + if(mode == SDL_GRAB_OFF) { + QPEApplication::grabKeyboard(); + qApp->processEvents(); + QPEApplication::ungrabKeyboard(); + } else { + QPEApplication::grabKeyboard(); + } + qApp->processEvents(); + return mode; + } + +}; /* Extern C */ -- cgit v1.2.3