static void ph_VideoQuit(_THIS)
{
/* restore palette */
if (desktopbpp==8)
{
PgSetPalette(syspalph, 0, -1, 0, 0, 0);
PgSetPalette(savedpal, 0, 0, _Pg_MAX_PALETTE, Pg_PALSET_GLOBAL | Pg_PALSET_FORCE_EXPOSE, 0);
PgFlush();
}
ph_DestroyImage(this, SDL_VideoSurface);
if (window)
{
PtUnrealizeWidget(window);
PtDestroyWidget(window);
window=NULL;
}
if (phevent!=NULL)
{
SDL_free(phevent);
phevent=NULL;
}
}
int ph_SetupUpdateFunction(_THIS, SDL_Surface* screen, Uint32 flags)
{
ph_DestroyImage(this, screen);
#ifdef HAVE_OPENGL
if ((flags & SDL_OPENGL)==SDL_OPENGL)
{
return ph_SetupOpenGLImage(this, screen);
}
#endif /* HAVE_OPENGL */
if ((flags & SDL_FULLSCREEN)==SDL_FULLSCREEN)
{
return ph_SetupFullScreenImage(this, screen);
}
if ((flags & SDL_HWSURFACE)==SDL_HWSURFACE)
{
return ph_SetupOCImage(this, screen);
}
return ph_SetupImage(this, screen);
}
int ph_SetupFullScreenImage(_THIS, SDL_Surface* screen)
{
OCImage.flags = screen->flags;
/* Begin direct mode */
if (!ph_EnterFullScreen(this, screen))
{
return -1;
}
/* store palette for fullscreen */
if ((screen->format->BitsPerPixel==8) && (desktopbpp!=8))
{
PgGetPalette(savedpal);
PgGetPalette(syspalph);
}
OCImage.offscreen_context = PdCreateOffscreenContext(0, 0, 0, Pg_OSC_MAIN_DISPLAY | Pg_OSC_MEM_PAGE_ALIGN | Pg_OSC_CRTC_SAFE);
if (OCImage.offscreen_context == NULL)
{
SDL_SetError("ph_SetupFullScreenImage(): PdCreateOffscreenContext() function failed !\n");
return -1;
}
if ((screen->flags & SDL_DOUBLEBUF) == SDL_DOUBLEBUF)
{
OCImage.offscreen_backcontext = PdDupOffscreenContext(OCImage.offscreen_context, Pg_OSC_CRTC_SAFE | Pg_OSC_MEM_PAGE_ALIGN);
if (OCImage.offscreen_backcontext == NULL)
{
SDL_SetError("ph_SetupFullScreenImage(): PdCreateOffscreenContext(back) function failed !\n");
return -1;
}
}
OCImage.FrameData0 = (unsigned char *)PdGetOffscreenContextPtr(OCImage.offscreen_context);
if (OCImage.FrameData0 == NULL)
{
SDL_SetError("ph_SetupFullScreenImage(): PdGetOffscreenContextPtr() function failed !\n");
ph_DestroyImage(this, screen);
return -1;
}
if ((screen->flags & SDL_DOUBLEBUF) == SDL_DOUBLEBUF)
{
OCImage.FrameData1 = (unsigned char *)PdGetOffscreenContextPtr(OCImage.offscreen_backcontext);
if (OCImage.FrameData1 == NULL)
{
SDL_SetError("ph_SetupFullScreenImage(back): PdGetOffscreenContextPtr() function failed !\n");
ph_DestroyImage(this, screen);
return -1;
}
}
/* wait for the hardware */
PgWaitHWIdle();
if ((screen->flags & SDL_DOUBLEBUF) == SDL_DOUBLEBUF)
{
OCImage.current = 1;
PhDCSetCurrent(OCImage.offscreen_backcontext);
screen->pitch = OCImage.offscreen_backcontext->pitch;
screen->pixels = OCImage.FrameData1;
PgSwapDisplay(OCImage.offscreen_context, 0);
}
else
{
OCImage.current = 0;
PhDCSetCurrent(OCImage.offscreen_context);
screen->pitch = OCImage.offscreen_context->pitch;
screen->pixels = OCImage.FrameData0;
}
this->UpdateRects = ph_OCDCUpdate;
PgFlush();
return 0;
}
static SDL_Surface *ph_SetVideoMode(_THIS, SDL_Surface *current,
int width, int height, int bpp, Uint32 flags)
{
const struct ColourMasks* mask;
/* Lock the event thread, in multi-threading environments */
SDL_Lock_EventThread();
current->flags = flags;
/* if we do not have desired fullscreen mode, then fallback into window mode */
if (((current->flags & SDL_FULLSCREEN) == SDL_FULLSCREEN) && (ph_GetVideoMode(width, height, bpp)==0))
{
current->flags &= ~SDL_FULLSCREEN;
current->flags &= ~SDL_NOFRAME;
current->flags &= ~SDL_RESIZABLE;
}
ph_SetupWindow(this, width, height, current->flags);
mask = ph_GetColourMasks(bpp);
if (mask != NULL)
{
SDL_ReallocFormat(current, mask->bpp, mask->red, mask->green, mask->blue, 0);
}
else
{
SDL_SetError("ph_SetVideoMode(): desired bpp is not supported by photon !\n");
return NULL;
}
#ifdef HAVE_OPENGL
if ((current->flags & SDL_OPENGL)==SDL_OPENGL)
{
#else
if ((current->flags & SDL_OPENGL)==SDL_OPENGL) /* if no built-in OpenGL support */
{
SDL_SetError("ph_SetVideoMode(): no OpenGL support, try to recompile library.\n");
current->flags &= ~SDL_OPENGL;
return NULL;
#endif /* HAVE_OPENGL */
}
else
{
/* Initialize internal variables */
if ((current->flags & SDL_FULLSCREEN) == SDL_FULLSCREEN)
{
if (bpp==8)
{
desktoppal=SDLPH_PAL_SYSTEM;
}
current->flags &= ~SDL_RESIZABLE; /* no resize for Direct Context */
current->flags |= SDL_HWSURFACE;
}
else
{
/* remove this if we'll support non-fullscreen sw/hw+doublebuf */
current->flags &= ~SDL_DOUBLEBUF;
/* Use offscreen memory if SDL_HWSURFACE flag is set */
if ((current->flags & SDL_HWSURFACE) == SDL_HWSURFACE)
{
if (desktopbpp!=bpp)
{
current->flags &= ~SDL_HWSURFACE;
}
}
/* using palette emulation code in window mode */
if (bpp==8)
{
if (desktopbpp>=15)
{
desktoppal = SDLPH_PAL_EMULATE;
}
else
{
desktoppal = SDLPH_PAL_SYSTEM;
}
}
else
{
desktoppal = SDLPH_PAL_NONE;
}
}
}
current->w = width;
current->h = height;
if (desktoppal==SDLPH_PAL_SYSTEM)
{
current->flags|=SDL_HWPALETTE;
}
/* Must call at least once for setup image planes */
if (ph_SetupUpdateFunction(this, current, current->flags)==-1)
{
return NULL;
}
/* finish window drawing, if we are not in fullscreen, of course */
if ((current->flags & SDL_FULLSCREEN) != SDL_FULLSCREEN)
{
PtFlush();
}
else
{
PgFlush();
}
SDL_Unlock_EventThread();
/* We're done! */
return (current);
}
static void ph_VideoQuit(_THIS)
{
/* restore palette */
if (desktopbpp==8)
{
PgSetPalette(syspalph, 0, -1, 0, 0, 0);
PgSetPalette(savedpal, 0, 0, _Pg_MAX_PALETTE, Pg_PALSET_GLOBAL | Pg_PALSET_FORCE_EXPOSE, 0);
PgFlush();
}
ph_DestroyImage(this, SDL_VideoSurface);
if (window)
{
PtUnrealizeWidget(window);
PtDestroyWidget(window);
window=NULL;
}
if (event!=NULL)
{
free(event);
event=NULL;
}
}
static int ph_SetColors(_THIS, int firstcolor, int ncolors, SDL_Color *colors)
{
int i;
SDL_Rect updaterect;
updaterect.x = updaterect.y = 0;
updaterect.w = this->screen->w;
updaterect.h = this->screen->h;
/* palette emulation code, using palette of the PhImage_t struct */
if (desktoppal==SDLPH_PAL_EMULATE)
{
if ((SDL_Image) && (SDL_Image->palette))
{
for (i=firstcolor; i<firstcolor+ncolors; i++)
{
syspalph[i] = PgRGB(colors[i-firstcolor].r, colors[i-firstcolor].g, colors[i-firstcolor].b);
SDL_Image->palette[i] = syspalph[i];
}
/* image needs to be redrawn */
this->UpdateRects(this, 1, &updaterect);
}
}
else
{
if (desktoppal==SDLPH_PAL_SYSTEM)
{
for (i=firstcolor; i<firstcolor+ncolors; i++)
{
syspalph[i] = PgRGB(colors[i-firstcolor].r, colors[i-firstcolor].g, colors[i-firstcolor].b);
}
if ((this->screen->flags & SDL_FULLSCREEN) != SDL_FULLSCREEN)
{
/* window mode must use soft palette */
PgSetPalette(&syspalph[firstcolor], 0, firstcolor, ncolors, Pg_PALSET_GLOBAL, 0);
/* image needs to be redrawn */
this->UpdateRects(this, 1, &updaterect);
}
else
{
/* fullscreen mode must use hardware palette */
PgSetPalette(&syspalph[firstcolor], 0, firstcolor, ncolors, Pg_PALSET_GLOBAL, 0);
}
}
else
{
/* SDLPH_PAL_NONE do nothing */
}
}
return 1;
}
