Mercurial > sdl-ios-xcode
diff src/video/photon/SDL_ph_video.c @ 0:74212992fb08
Initial revision
author | Sam Lantinga <slouken@lokigames.com> |
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date | Thu, 26 Apr 2001 16:45:43 +0000 |
parents | |
children | 8cc4dbfab9ab |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/src/video/photon/SDL_ph_video.c Thu Apr 26 16:45:43 2001 +0000 @@ -0,0 +1,496 @@ +/* + SDL - Simple DirectMedia Layer + Copyright (C) 1997, 1998, 1999, 2000, 2001 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@devolution.com +*/ + +#ifdef SAVE_RCSID +static char rcsid = + "@(#) $Id$"; +#endif + +#include <stdlib.h> +#include <stdio.h> +#include <unistd.h> +#include <string.h> +#include <sys/ioctl.h> + +#include "SDL.h" +#include "SDL_error.h" +#include "SDL_timer.h" +#include "SDL_thread.h" +#include "SDL_video.h" +#include "SDL_mouse.h" +#include "SDL_endian.h" +#include "SDL_sysvideo.h" +#include "SDL_pixels_c.h" +#include "SDL_events_c.h" +#include "SDL_ph_video.h" +#include "SDL_ph_modes_c.h" +#include "SDL_ph_image_c.h" +#include "SDL_ph_events_c.h" +#include "SDL_ph_mouse_c.h" +#include "SDL_phyuv_c.h" +#include "blank_cursor.h" + +static int ph_VideoInit(_THIS, SDL_PixelFormat *vformat); +static SDL_Surface *ph_SetVideoMode(_THIS, SDL_Surface *current, + int width, int height, int bpp, Uint32 flags); +static int ph_SetColors(_THIS, int firstcolor, int ncolors, SDL_Color *colors); +static void ph_VideoQuit(_THIS); +static void ph_DeleteDevice(SDL_VideoDevice *device); + +static int ph_Available(void) +{ + + return 1; +} + +static SDL_VideoDevice *ph_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)); + device->gl_data = NULL; + } + if ( (device == NULL) || (device->hidden == NULL) ) { + SDL_OutOfMemory(); + ph_DeleteDevice(device); + return(0); + } + memset(device->hidden, 0, (sizeof *device->hidden)); + + /* Set the driver flags */ + device->handles_any_size = 1; //JB not true for fullscreen + + /* Set the function pointers */ + device->CreateYUVOverlay = ph_CreateYUVOverlay; + device->VideoInit = ph_VideoInit; + device->ListModes = ph_ListModes; + device->SetVideoMode = ph_SetVideoMode; + device->ToggleFullScreen = ph_ToggleFullScreen; + device->UpdateMouse = NULL; + device->SetColors = ph_SetColors; + device->UpdateRects = NULL; //set in ph_ResizeImage + device->VideoQuit = ph_VideoQuit; + device->AllocHWSurface = ph_AllocHWSurface; + device->CheckHWBlit = NULL; + device->FillHWRect = NULL; + device->SetHWColorKey = NULL; + device->SetHWAlpha = NULL; + device->LockHWSurface = ph_LockHWSurface; + device->UnlockHWSurface = ph_UnlockHWSurface; + device->FlipHWSurface = ph_FlipHWSurface; + device->FreeHWSurface = ph_FreeHWSurface; + device->SetCaption = NULL; + device->SetIcon = NULL; + device->IconifyWindow = NULL; + device->GrabInput = NULL; + device->GetWMInfo = NULL; + device->FreeWMCursor = ph_FreeWMCursor; + device->CreateWMCursor = ph_CreateWMCursor; + device->ShowWMCursor = ph_ShowWMCursor; + device->WarpWMCursor = ph_WarpWMCursor; + device->CheckMouseMode = ph_CheckMouseMode; + device->InitOSKeymap = ph_InitOSKeymap; + device->PumpEvents = ph_PumpEvents; + + device->free = ph_DeleteDevice; + + return device; +} + +VideoBootStrap X11_bootstrap = { + "photon", "QNX Photon video output", + ph_Available, ph_CreateDevice +}; + +static void ph_DeleteDevice(SDL_VideoDevice *device) +{ + + if ( device ) { + if ( device->hidden ) { + free(device->hidden); + device->hidden = NULL; + } + if ( device->gl_data ) { + free(device->gl_data); + device->gl_data = NULL; + } + free(device); + device = NULL; + } +} + +static int ph_VideoInit(_THIS, SDL_PixelFormat *vformat) +{ + PtArg_t arg[1]; + PhDim_t dim; + PgColor_t ph_palette[_Pg_MAX_PALETTE]; + int i; + unsigned long *tempptr; + int rtnval; + PgDisplaySettings_t mysettings; + PgVideoModeInfo_t my_mode_info; + + if( NULL == ( event = malloc( EVENT_SIZE ) ) ) + exit( EXIT_FAILURE ); + + /* Create a widget 'window' to capture events */ + dim.w=0; //JB test320; + dim.h=0; //JB test240; + //We need to return BytesPerPixel as it in used by CreateRGBsurface + + PtSetArg(&arg[0], Pt_ARG_DIM, &dim,0); + +/* + PtSetArg(&arg[1], Pt_ARG_RESIZE_FLAGS, Pt_TRUE, Pt_RESIZE_XY_AS_REQUIRED); + PtSetArg(&arg[2], Pt_ARG_WINDOW_STATE, Pt_TRUE, Ph_WM_STATE_ISFRONT | + Ph_WM_STATE_ISMAX | + Ph_WM_STATE_ISFOCUS); + + PtSetArg(&arg[3], Pt_ARG_WINDOW_RENDER_FLAGS,Pt_FALSE,~0); + PtSetArg(&arg[4], Pt_ARG_WINDOW_MANAGED_FLAGS,Pt_TRUE, + Ph_WM_FFRONT | + Ph_WM_CLOSE | + Ph_WM_TOFRONT | + Ph_WM_CONSWITCH); +*/ + + + window=PtAppInit(NULL, NULL, NULL, 1, arg); + + if(window == NULL) + { + printf("PtAppInit failed\n"); + PtExit(EXIT_FAILURE); + } + + //PgSetDrawBufferSize(16 *1024); + PgSetRegion(PtWidgetRid(window)); + PgSetClipping(0,NULL); + PtRealizeWidget(window); + + + /* Get the available video modes */ +// if(ph_GetVideoModes(this) < 0) +// return -1; + + /* Create the blank cursor */ + SDL_BlankCursor = this->CreateWMCursor(this, blank_cdata, blank_cmask, + (int)BLANK_CWIDTH, (int)BLANK_CHEIGHT, + (int)BLANK_CHOTX, (int)BLANK_CHOTY); + + if(SDL_BlankCursor == NULL) + printf("could not create blank cursor\n"); + /* Get the video mode */ + if (PgGetVideoMode( &mysettings ) < 0) + { + fprintf(stderr,"ph_VideoInit: PgGetVideoMode failed\n"); + //QNX6/Patch A always fails return code even though call succeeds. fixed Patch B + } + + if (PgGetVideoModeInfo(mysettings.mode, &my_mode_info) < 0) + { + fprintf(stderr,"ph_VideoInit: PgGetVideoModeInfo failed\n"); + } + //We need to return BytesPerPixel as it in used by CreateRGBsurface + vformat->BitsPerPixel = my_mode_info.bits_per_pixel; + vformat->BytesPerPixel = vformat->BitsPerPixel/8; + + //return a palette if we are in 256 color mode + if(vformat->BitsPerPixel == 8) + { + vformat->palette = malloc(sizeof(SDL_Palette)); + memset(vformat->palette, 0, sizeof(SDL_Palette)); + vformat->palette->ncolors = 256; + vformat->palette->colors = (SDL_Color *)malloc(256 *sizeof(SDL_Color)); + + //fill the palette + rtnval = PgGetPalette(ph_palette); + if(rtnval < 0) + printf("ph_VideoInit: PgGetPalette failed\n"); + + tempptr = (unsigned long *)vformat->palette->colors; + + for(i=0;i<256; i++) + { + *tempptr = (((unsigned long)ph_palette[i]) << 8); + tempptr++; + + } + + } + + + currently_fullscreen = 0; + return 0; +} + +static SDL_Surface *ph_SetVideoMode(_THIS, SDL_Surface *current, + int width, int height, int bpp, Uint32 flags) +{ + PhRegion_t region_info; + PgDisplaySettings_t settings; + PgVideoModeInfo_t mode_info; + int mode, actual_width, actual_height; + PtArg_t arg[5]; + PhDim_t dim; + int rtnval; + SDL_Rect ** mymodelist; + SDL_PixelFormat myformat; + PgColor_t ph_palette[_Pg_MAX_PALETTE]; + int i; + unsigned long *tempptr; + + actual_width = width; + actual_height = height; + + + /* Lock the event thread, in multi-threading environments */ + SDL_Lock_EventThread(); + + + /* Initialize the window */ + if (flags & SDL_FULLSCREEN) //Direct Context , assume SDL_HWSURFACE also set + { + +/* + if (old_video_mode==-1) + { + PgGetGraphicsHWCaps(&graphics_card_caps); + old_video_mode=graphics_card_caps.current_video_mode; + old_refresh_rate=graphics_card_caps.current_rrate; + } +*/ + + + + /* Get the video mode and set it */ + if (bpp == 0) + { + if (PgGetVideoMode( &settings ) < 0) + { + fprintf(stderr,"error: PgGetVideoMode failed\n"); + } + if (PgGetVideoModeInfo(settings.mode, &mode_info) < 0) + { + fprintf(stderr,"error: PgGetVideoModeInfo failed\n"); + } + bpp = mode_info.bits_per_pixel; + } + if (flags & SDL_ANYFORMAT) + { + if ((mode = get_mode_any_format(width, height, bpp)) == 0) + { + fprintf(stderr,"error: get_mode_any_format failed\n"); + exit(1); + } + } + else + { + if ((mode = get_mode(width, height, bpp)) == 0) + { + fprintf(stderr,"error: get_mode failed\n"); + exit(1); + } + + + } + settings.mode = mode; + settings.refresh = 0; + settings.flags = 0; + + + if (PgSetVideoMode( &settings ) < 0) + { + fprintf(stderr,"error: PgSetVideoMode failed\n"); + } + + /* Get the true height and width */ + + current->flags = (flags|(~SDL_RESIZABLE)); //no resize for Direct Context + + /* Begin direct mode */ + ph_EnterFullScreen(this); + + + + } //end fullscreen flag + else if (flags & SDL_HWSURFACE) /* Use offscreen memory iff SDL_HWSURFACE flag is set */ + { + // Hardware surface is Offsceen Context. ph_ResizeImage handles the switch + current->flags = (flags|(~SDL_RESIZABLE)); //no stretch blit in offscreen context + } + else // must be SDL_SWSURFACE + { + current->flags = (flags|SDL_RESIZABLE); //yes we can resize as this is a software surface + } + + + //If we are setting video to use the palette make sure we have allocated memory for it + if(bpp == 8) + { + current->format->palette = malloc(sizeof(SDL_Palette)); + memset(current->format->palette, 0, sizeof(SDL_Palette)); + current->format->palette->ncolors = 256; + current->format->palette->colors = (SDL_Color *)malloc(256 *sizeof(SDL_Color)); + //fill the palette + rtnval = PgGetPalette(ph_palette); + + tempptr = (unsigned long *)current->format->palette->colors; + + for(i=0;i<256; i++) + { + *tempptr = (((unsigned long)ph_palette[i]) << 8); + tempptr++; + + } + } + + + //Current window dimensions + PtGetResource( window, Pt_ARG_DIM, &dim, 0 ); + + //If we need to resize the window + if((dim.w != width)||(dim.h != height)) + { + dim.w=width; + dim.h=height; + PtSetArg(&arg[0], Pt_ARG_DIM, &dim,0); + PtSetResources( window, 1, arg ); + current->w = width; + current->h = height; + current->format->BitsPerPixel = bpp; + current->format->BytesPerPixel = bpp/8; + current->pitch = SDL_CalculatePitch(current); + //Must call at least once it setup image planes + ph_ResizeImage(this, current, flags); + } + + + SDL_Unlock_EventThread(); + + /* We're done! */ + return(current); +} + +static void ph_VideoQuit(_THIS) +{ + + if(SDL_Image != NULL) + { + ph_DestroyImage(this, SDL_VideoSurface); + + } + + if (currently_fullscreen) + { + PdDirectStop( directContext ); + PdReleaseDirectContext( directContext ); + directContext=0; + currently_fullscreen = 0; + } + +} + + +static int ph_SetColors(_THIS, int firstcolor, int ncolors, SDL_Color *colors) +{ + PgColor_t *in, *out; + int i, j; + int alloct_all = 1; + + colors = this->screen->format->palette->colors; + + in = alloca( ncolors*sizeof(PgColor_t) ); + if ( in == NULL ) { + return 0; + } + memset(in,0,ncolors*sizeof(PgColor_t)); + + out = alloca( ncolors*sizeof(PgColor_t) ); + if ( out == NULL ) { + return 0; + } + + for (i=0,j=firstcolor;i<ncolors;i++,j++) + { + in[i] |= colors[j].r<<16 ; + in[i] |= colors[j].g<<8 ; + in[i] |= colors[j].b ; + } + + if ( (this->screen->flags & SDL_HWPALETTE) == SDL_HWPALETTE ) + { + if( PgSetPalette( in, 0, 0, ncolors, Pg_PALSET_HARD, 0) < 0 ) + { + fprintf(stderr,"error: PgSetPalette(..,Pg_PALSET_HARD) failed\n"); + return 0; + } + } + else + { + if ( PgColorMatch(ncolors, in, out) < 0 ) + { + fprintf(stderr,"error: PgColorMatch failed\n"); + return 0; + } + for (i=0;i<ncolors;i++) + { + if (memcmp(&in[i],&out[i],sizeof(PgColor_t))) + { + alloct_all = 0; + break; + } + } + if( PgSetPalette( out, 0, 0, ncolors, Pg_PALSET_SOFT, 0) < 0 ) + { + fprintf(stderr,"error: PgSetPalette(..,Pg_PALSET_SOFT) failed\n"); + return 0; + } + } + return alloct_all; +} + +static int ph_ResizeWindow(_THIS, + SDL_Surface *screen, int w, int h, Uint32 flags) +{ + PhWindowEvent_t winevent; + + memset( &winevent, 0, sizeof(winevent) ); + winevent.event_f = Ph_WM_RESIZE; + winevent.size.w = w; + winevent.size.h = h; + winevent.rid = PtWidgetRid( window ); + if (PtForwardWindowEvent( &winevent ) < 0) + { + fprintf(stderr,"error: PtForwardWindowEvent failed.\n"); + } + current_w = w; + current_h = h; + return(0); +} + +