src/video/SDL_video.c
author Sam Lantinga <slouken@libsdl.org>
Wed, 02 Aug 2006 03:20:52 +0000
changeset 1963 2590b68531ef
parent 1956 ba0d62354872
child 1965 a788656ca29a
permissions -rw-r--r--
Added SDL_GetCurrentVideoDisplay()
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/*
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    SDL - Simple DirectMedia Layer
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    Copyright (C) 1997-2006 Sam Lantinga
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    This library is free software; you can redistribute it and/or
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    modify it under the terms of the GNU Lesser General Public
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    License as published by the Free Software Foundation; either
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    version 2.1 of the License, or (at your option) any later version.
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    This library is distributed in the hope that it will be useful,
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    but WITHOUT ANY WARRANTY; without even the implied warranty of
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    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
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    Lesser General Public License for more details.
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    You should have received a copy of the GNU Lesser General Public
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    License along with this library; if not, write to the Free Software
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    Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
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    Sam Lantinga
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    slouken@libsdl.org
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*/
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#include "SDL_config.h"
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/* The high-level video driver subsystem */
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#include "SDL.h"
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#include "SDL_sysvideo.h"
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#include "SDL_blit.h"
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#include "SDL_pixels_c.h"
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#include "SDL_renderer_gl.h"
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#include "SDL_renderer_sw.h"
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#include "../events/SDL_sysevents.h"
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#include "../events/SDL_events_c.h"
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#if SDL_VIDEO_OPENGL
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#include "SDL_opengl.h"
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/* On Windows, windows.h defines CreateWindow */
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#ifdef CreateWindow
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#undef CreateWindow
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#endif
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#endif /* SDL_VIDEO_OPENGL */
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/* Available video drivers */
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static VideoBootStrap *bootstrap[] = {
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#if SDL_VIDEO_DRIVER_COCOA
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    &COCOA_bootstrap,
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#endif
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#if SDL_VIDEO_DRIVER_X11
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    &X11_bootstrap,
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#endif
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#if SDL_VIDEO_DRIVER_NANOX
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    &NX_bootstrap,
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#endif
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#if SDL_VIDEO_DRIVER_IPOD
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    &iPod_bootstrap,
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#endif
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#if SDL_VIDEO_DRIVER_QTOPIA
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    &Qtopia_bootstrap,
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#endif
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#if SDL_VIDEO_DRIVER_WSCONS
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    &WSCONS_bootstrap,
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#endif
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#if SDL_VIDEO_DRIVER_FBCON
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    &FBCON_bootstrap,
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#endif
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#if SDL_VIDEO_DRIVER_DIRECTFB
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    &DirectFB_bootstrap,
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#endif
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#if SDL_VIDEO_DRIVER_PS2GS
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    &PS2GS_bootstrap,
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#endif
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#if SDL_VIDEO_DRIVER_GGI
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    &GGI_bootstrap,
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#endif
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#if SDL_VIDEO_DRIVER_VGL
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    &VGL_bootstrap,
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#endif
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#if SDL_VIDEO_DRIVER_SVGALIB
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    &SVGALIB_bootstrap,
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#endif
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#if SDL_VIDEO_DRIVER_GAPI
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    &GAPI_bootstrap,
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#endif
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#if SDL_VIDEO_DRIVER_WIN32
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    &WIN32_bootstrap,
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#endif
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#if SDL_VIDEO_DRIVER_BWINDOW
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    &BWINDOW_bootstrap,
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#endif
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#if SDL_VIDEO_DRIVER_TOOLBOX
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    &TOOLBOX_bootstrap,
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#endif
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#if SDL_VIDEO_DRIVER_DRAWSPROCKET
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    &DSp_bootstrap,
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#endif
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#if SDL_VIDEO_DRIVER_CYBERGRAPHICS
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    &CGX_bootstrap,
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#endif
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#if SDL_VIDEO_DRIVER_PHOTON
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    &ph_bootstrap,
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#endif
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#if SDL_VIDEO_DRIVER_EPOC
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    &EPOC_bootstrap,
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#endif
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#if SDL_VIDEO_DRIVER_XBIOS
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    &XBIOS_bootstrap,
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#endif
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#if SDL_VIDEO_DRIVER_GEM
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    &GEM_bootstrap,
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#endif
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#if SDL_VIDEO_DRIVER_DC
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    &DC_bootstrap,
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#endif
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#if SDL_VIDEO_DRIVER_RISCOS
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    &RISCOS_bootstrap,
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#endif
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#if SDL_VIDEO_DRIVER_OS2FS
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    &OS2FSLib_bootstrap,
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#endif
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#if SDL_VIDEO_DRIVER_DUMMY
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    &DUMMY_bootstrap,
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#endif
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    NULL
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};
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static SDL_VideoDevice *_this = NULL;
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/* Various local functions */
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int SDL_VideoInit(const char *driver_name, Uint32 flags);
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void SDL_VideoQuit(void);
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static int
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cmpmodes(const void *A, const void *B)
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{
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    SDL_DisplayMode a = *(const SDL_DisplayMode *) A;
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    SDL_DisplayMode b = *(const SDL_DisplayMode *) B;
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    if (a.w != b.w) {
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        return b.w - a.w;
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    }
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    if (a.h != b.h) {
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        return b.h - a.h;
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    }
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    if (SDL_BITSPERPIXEL(a.format) != SDL_BITSPERPIXEL(b.format)) {
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        return SDL_BITSPERPIXEL(b.format) - SDL_BITSPERPIXEL(a.format);
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    }
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    if (a.refresh_rate != b.refresh_rate) {
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        return b.refresh_rate - a.refresh_rate;
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    }
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    return 0;
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}
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static void
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SDL_UninitializedVideo()
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{
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    SDL_SetError("Video subsystem has not been initialized");
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}
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int
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SDL_GetNumVideoDrivers(void)
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{
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    return SDL_arraysize(bootstrap) - 1;
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}
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const char *
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SDL_GetVideoDriver(int index)
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{
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    if (index >= 0 && index < SDL_GetNumVideoDrivers()) {
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        return bootstrap[index]->name;
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    }
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    return NULL;
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}
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/*
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 * Initialize the video and event subsystems -- determine native pixel format
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 */
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int
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SDL_VideoInit(const char *driver_name, Uint32 flags)
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{
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    SDL_VideoDevice *video;
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    int index;
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    int i;
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    /* Toggle the event thread flags, based on OS requirements */
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#if defined(MUST_THREAD_EVENTS)
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    flags |= SDL_INIT_EVENTTHREAD;
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#elif defined(CANT_THREAD_EVENTS)
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    if ((flags & SDL_INIT_EVENTTHREAD) == SDL_INIT_EVENTTHREAD) {
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        SDL_SetError("OS doesn't support threaded events");
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        return -1;
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    }
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#endif
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    /* Start the event loop */
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    if (SDL_StartEventLoop(flags) < 0) {
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        return -1;
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    }
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    /* Check to make sure we don't overwrite '_this' */
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    if (_this != NULL) {
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        SDL_VideoQuit();
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    }
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    /* Select the proper video driver */
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    index = 0;
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    video = NULL;
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    if (driver_name == NULL) {
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        driver_name = SDL_getenv("SDL_VIDEODRIVER");
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    }
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    if (driver_name != NULL) {
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        for (i = 0; bootstrap[i]; ++i) {
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            if (SDL_strncmp(bootstrap[i]->name, driver_name,
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                            SDL_strlen(bootstrap[i]->name)) == 0) {
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                if (bootstrap[i]->available()) {
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                    video = bootstrap[i]->create(index);
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                }
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                break;
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            }
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        }
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    } else {
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        for (i = 0; bootstrap[i]; ++i) {
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            if (bootstrap[i]->available()) {
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                video = bootstrap[i]->create(index);
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                if (video != NULL) {
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                    break;
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                }
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            }
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        }
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    }
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    if (video == NULL) {
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        if (driver_name) {
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            SDL_SetError("%s not available", driver_name);
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        } else {
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            SDL_SetError("No available video device");
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        }
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        return -1;
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    }
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    _this = video;
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    _this->name = bootstrap[i]->name;
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    _this->next_object_id = 1;
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    /* Set some very sane GL defaults */
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    _this->gl_config.driver_loaded = 0;
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    _this->gl_config.dll_handle = NULL;
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    _this->gl_config.red_size = 3;
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    _this->gl_config.green_size = 3;
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    _this->gl_config.blue_size = 2;
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    _this->gl_config.alpha_size = 0;
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    _this->gl_config.buffer_size = 0;
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    _this->gl_config.depth_size = 16;
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    _this->gl_config.stencil_size = 0;
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    _this->gl_config.double_buffer = 1;
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    _this->gl_config.accum_red_size = 0;
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    _this->gl_config.accum_green_size = 0;
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    _this->gl_config.accum_blue_size = 0;
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    _this->gl_config.accum_alpha_size = 0;
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    _this->gl_config.stereo = 0;
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    _this->gl_config.multisamplebuffers = 0;
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    _this->gl_config.multisamplesamples = 0;
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    _this->gl_config.accelerated = -1;  /* not known, don't set */
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    /* Initialize the video subsystem */
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    if (_this->VideoInit(_this) < 0) {
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        SDL_VideoQuit();
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        return -1;
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    }
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    /* Make sure some displays were added */
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    if (_this->num_displays == 0) {
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        SDL_SetError("The video driver did not add any displays");
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        SDL_VideoQuit();
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        return (-1);
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    }
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    /* The software renderer is always available */
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    for (i = 0; i < _this->num_displays; ++i) {
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#if SDL_VIDEO_RENDER_OGL
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        SDL_AddRenderDriver(i, &GL_RenderDriver);
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#endif
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        if (_this->displays[i].num_render_drivers > 0) {
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            SDL_AddRenderDriver(i, &SW_RenderDriver);
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        }
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    }
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    /* We're ready to go! */
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    return 0;
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}
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const char *
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SDL_GetCurrentVideoDriver()
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{
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    if (!_this) {
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        SDL_UninitializedVideo();
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        return NULL;
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    }
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    return _this->name;
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}
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SDL_VideoDevice *
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SDL_GetVideoDevice()
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{
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    return _this;
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}
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int
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SDL_AddBasicVideoDisplay(const SDL_DisplayMode * desktop_mode)
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{
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    SDL_VideoDisplay display;
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    SDL_zero(display);
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    if (desktop_mode) {
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        display.desktop_mode = *desktop_mode;
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    }
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    display.current_mode = display.desktop_mode;
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    return SDL_AddVideoDisplay(&display);
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}
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int
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SDL_AddVideoDisplay(const SDL_VideoDisplay * display)
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{
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    SDL_VideoDisplay *displays;
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    int index = -1;
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    displays =
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        SDL_realloc(_this->displays,
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                    (_this->num_displays + 1) * sizeof(*displays));
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    if (displays) {
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        index = _this->num_displays++;
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        displays[index] = *display;
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        displays[index].device = _this;
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        _this->displays = displays;
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    } else {
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        SDL_OutOfMemory();
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    }
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    return index;
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}
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int
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SDL_GetNumVideoDisplays(void)
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{
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    if (!_this) {
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        SDL_UninitializedVideo();
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        return 0;
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    }
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    return _this->num_displays;
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}
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int
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SDL_SelectVideoDisplay(int index)
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{
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    if (!_this) {
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        SDL_UninitializedVideo();
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        return (-1);
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    }
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    if (index < 0 || index >= _this->num_displays) {
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        SDL_SetError("index must be in the range 0 - %d",
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                     _this->num_displays - 1);
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        return -1;
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    }
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    _this->current_display = index;
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    return 0;
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}
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int
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SDL_GetCurrentVideoDisplay(void)
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{
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    if (!_this) {
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        SDL_UninitializedVideo();
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        return (-1);
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    }
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    return _this->current_display;
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}
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SDL_bool
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SDL_AddDisplayMode(int displayIndex, const SDL_DisplayMode * mode)
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{
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    SDL_VideoDisplay *display = &_this->displays[displayIndex];
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    SDL_DisplayMode *modes;
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    int i, nmodes;
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    /* Make sure we don't already have the mode in the list */
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    modes = display->display_modes;
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    nmodes = display->num_display_modes;
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    for (i = nmodes; i--;) {
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        if (SDL_memcmp(mode, &modes[i], sizeof(*mode)) == 0) {
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   389
            return SDL_FALSE;
slouken@1895
   390
        }
slouken@1895
   391
    }
slouken@1895
   392
slouken@1895
   393
    /* Go ahead and add the new mode */
slouken@1895
   394
    if (nmodes == display->max_display_modes) {
slouken@1895
   395
        modes =
slouken@1895
   396
            SDL_realloc(modes,
slouken@1895
   397
                        (display->max_display_modes + 32) * sizeof(*modes));
slouken@1895
   398
        if (!modes) {
slouken@1895
   399
            return SDL_FALSE;
slouken@1895
   400
        }
slouken@1895
   401
        display->display_modes = modes;
slouken@1895
   402
        display->max_display_modes += 32;
slouken@1895
   403
    }
slouken@1895
   404
    modes[nmodes] = *mode;
slouken@1895
   405
    display->num_display_modes++;
slouken@1895
   406
slouken@1895
   407
    return SDL_TRUE;
slouken@0
   408
}
slouken@0
   409
slouken@1895
   410
int
slouken@1895
   411
SDL_GetNumDisplayModes()
slouken@0
   412
{
slouken@1895
   413
    if (_this) {
slouken@1895
   414
        SDL_VideoDisplay *display = &SDL_CurrentDisplay;
slouken@1895
   415
        if (!display->num_display_modes && _this->GetDisplayModes) {
slouken@1895
   416
            _this->GetDisplayModes(_this);
slouken@1895
   417
            SDL_qsort(display->display_modes, display->num_display_modes,
slouken@1895
   418
                      sizeof(SDL_DisplayMode), cmpmodes);
slouken@1895
   419
        }
slouken@1895
   420
        return display->num_display_modes;
slouken@1895
   421
    }
slouken@1895
   422
    return 0;
slouken@0
   423
}
slouken@0
   424
slouken@1895
   425
const SDL_DisplayMode *
slouken@1895
   426
SDL_GetDisplayMode(int index)
slouken@0
   427
{
slouken@1895
   428
    if (index < 0 || index >= SDL_GetNumDisplayModes()) {
slouken@1895
   429
        SDL_SetError("index must be in the range of 0 - %d",
slouken@1895
   430
                     SDL_GetNumDisplayModes() - 1);
slouken@1895
   431
        return NULL;
slouken@1895
   432
    }
slouken@1895
   433
    return &SDL_CurrentDisplay.display_modes[index];
slouken@0
   434
}
slouken@0
   435
slouken@1895
   436
const SDL_DisplayMode *
slouken@1895
   437
SDL_GetDesktopDisplayMode(void)
slouken@0
   438
{
slouken@1895
   439
    if (_this) {
slouken@1895
   440
        return &SDL_CurrentDisplay.desktop_mode;
slouken@1895
   441
    }
slouken@1895
   442
    return NULL;
slouken@0
   443
}
slouken@0
   444
slouken@1895
   445
const SDL_DisplayMode *
slouken@1895
   446
SDL_GetCurrentDisplayMode(void)
slouken@0
   447
{
slouken@1895
   448
    if (_this) {
slouken@1895
   449
        return &SDL_CurrentDisplay.current_mode;
slouken@1895
   450
    }
slouken@1895
   451
    return NULL;
slouken@0
   452
}
slouken@0
   453
slouken@1895
   454
SDL_DisplayMode *
slouken@1895
   455
SDL_GetClosestDisplayMode(const SDL_DisplayMode * mode,
slouken@1895
   456
                          SDL_DisplayMode * closest)
slouken@0
   457
{
slouken@1895
   458
    Uint32 target_format;
slouken@1895
   459
    int target_refresh_rate;
slouken@1895
   460
    int i;
slouken@1895
   461
    SDL_DisplayMode *current, *match;
slouken@0
   462
slouken@1895
   463
    if (!_this || !mode || !closest) {
slouken@1895
   464
        return NULL;
slouken@1895
   465
    }
slouken@0
   466
slouken@1895
   467
    /* Default to the desktop format */
slouken@1895
   468
    if (mode->format) {
slouken@1895
   469
        target_format = mode->format;
slouken@1895
   470
    } else {
slouken@1895
   471
        target_format = SDL_CurrentDisplay.desktop_mode.format;
slouken@1895
   472
    }
slouken@0
   473
slouken@1895
   474
    /* Default to the desktop refresh rate */
slouken@1895
   475
    if (mode->refresh_rate) {
slouken@1895
   476
        target_refresh_rate = mode->refresh_rate;
slouken@1895
   477
    } else {
slouken@1895
   478
        target_refresh_rate = SDL_CurrentDisplay.desktop_mode.refresh_rate;
slouken@1895
   479
    }
slouken@0
   480
slouken@1895
   481
    match = NULL;
slouken@1895
   482
    for (i = 0; i < SDL_GetNumDisplayModes(); ++i) {
slouken@1895
   483
        current = &SDL_CurrentDisplay.display_modes[i];
slouken@1895
   484
slouken@1895
   485
        if ((current->w && current->h) &&
slouken@1895
   486
            (current->w < mode->w || current->h < mode->h)) {
slouken@1895
   487
            /* Out of sorted modes large enough here */
slouken@1895
   488
            break;
slouken@1895
   489
        }
slouken@1895
   490
        if (!match || current->w < match->w || current->h < match->h) {
slouken@1895
   491
            match = current;
slouken@1895
   492
            continue;
slouken@1895
   493
        }
slouken@1895
   494
        if (current->format != match->format) {
slouken@1895
   495
            /* Sorted highest depth to lowest */
slouken@1895
   496
            if (current->format == target_format ||
slouken@1895
   497
                (SDL_BITSPERPIXEL(current->format) >=
slouken@1895
   498
                 SDL_BITSPERPIXEL(target_format)
slouken@1895
   499
                 && SDL_PIXELTYPE(current->format) ==
slouken@1895
   500
                 SDL_PIXELTYPE(target_format))) {
slouken@1895
   501
                match = current;
slouken@1895
   502
            }
slouken@1895
   503
            continue;
slouken@1895
   504
        }
slouken@1895
   505
        if (current->refresh_rate != match->refresh_rate) {
slouken@1895
   506
            /* Sorted highest refresh to lowest */
slouken@1895
   507
            if (current->refresh_rate >= target_refresh_rate) {
slouken@1895
   508
                match = current;
slouken@1895
   509
            }
slouken@1895
   510
        }
slouken@1895
   511
    }
slouken@1895
   512
    if (match) {
slouken@1895
   513
        if (match->format) {
slouken@1895
   514
            closest->format = match->format;
slouken@1895
   515
        } else {
slouken@1895
   516
            closest->format = mode->format;
slouken@1895
   517
        }
slouken@1895
   518
        if (match->w && match->h) {
slouken@1895
   519
            closest->w = match->w;
slouken@1895
   520
            closest->h = match->h;
slouken@1895
   521
        } else {
slouken@1895
   522
            closest->w = mode->w;
slouken@1895
   523
            closest->h = mode->h;
slouken@1895
   524
        }
slouken@1895
   525
        if (match->refresh_rate) {
slouken@1895
   526
            closest->refresh_rate = match->refresh_rate;
slouken@1895
   527
        } else {
slouken@1895
   528
            closest->refresh_rate = mode->refresh_rate;
slouken@1895
   529
        }
slouken@1895
   530
        closest->driverdata = match->driverdata;
slouken@1895
   531
slouken@1895
   532
        /* Pick some reasonable defaults if the app and driver don't care */
slouken@1895
   533
        if (!closest->format) {
slouken@1895
   534
            closest->format = SDL_PixelFormat_RGB888;
slouken@1895
   535
        }
slouken@1895
   536
        if (!closest->w) {
slouken@1895
   537
            closest->w = 640;
slouken@1895
   538
        }
slouken@1895
   539
        if (!closest->h) {
slouken@1895
   540
            closest->h = 480;
slouken@1895
   541
        }
slouken@1895
   542
        return closest;
slouken@1895
   543
    }
slouken@1895
   544
    return NULL;
slouken@0
   545
}
slouken@0
   546
slouken@1895
   547
int
slouken@1895
   548
SDL_SetDisplayMode(const SDL_DisplayMode * mode)
slouken@0
   549
{
slouken@1895
   550
    SDL_VideoDisplay *display;
slouken@1895
   551
    SDL_DisplayMode display_mode;
slouken@1895
   552
    int i, ncolors;
slouken@0
   553
slouken@1895
   554
    if (!_this) {
slouken@1912
   555
        SDL_UninitializedVideo();
slouken@1895
   556
        return -1;
slouken@1895
   557
    }
slouken@0
   558
slouken@1895
   559
    if (!mode) {
slouken@1895
   560
        mode = SDL_GetDesktopDisplayMode();
slouken@1895
   561
    }
slouken@1895
   562
    display = &SDL_CurrentDisplay;
slouken@1895
   563
    display_mode = *mode;
slouken@1895
   564
slouken@1895
   565
    /* Default to the current mode */
slouken@1895
   566
    if (!display_mode.format) {
slouken@1895
   567
        display_mode.format = display->current_mode.format;
slouken@1895
   568
    }
slouken@1895
   569
    if (!display_mode.w) {
slouken@1895
   570
        display_mode.w = display->current_mode.w;
slouken@1895
   571
    }
slouken@1895
   572
    if (!display_mode.h) {
slouken@1895
   573
        display_mode.h = display->current_mode.h;
slouken@1895
   574
    }
slouken@1895
   575
    if (!display_mode.refresh_rate) {
slouken@1895
   576
        display_mode.refresh_rate = display->current_mode.refresh_rate;
slouken@1895
   577
    }
slouken@1895
   578
slouken@1895
   579
    /* Get a good video mode, the closest one possible */
slouken@1895
   580
    if (!SDL_GetClosestDisplayMode(&display_mode, &display_mode)) {
slouken@1895
   581
        SDL_SetError("No video mode large enough for %dx%d",
slouken@1895
   582
                     display_mode.w, display_mode.h);
slouken@1895
   583
        return -1;
slouken@1895
   584
    }
slouken@1895
   585
slouken@1895
   586
    /* See if there's anything left to do */
slouken@1895
   587
    if (SDL_memcmp
slouken@1895
   588
        (&display_mode, SDL_GetCurrentDisplayMode(),
slouken@1895
   589
         sizeof(display_mode)) == 0) {
slouken@1895
   590
        return 0;
slouken@1895
   591
    }
slouken@1895
   592
slouken@1895
   593
    /* Actually change the display mode */
slouken@1895
   594
    if (_this->SetDisplayMode(_this, &display_mode) < 0) {
slouken@1895
   595
        return -1;
slouken@1895
   596
    }
slouken@1895
   597
    display->current_mode = display_mode;
slouken@1895
   598
slouken@1895
   599
    /* Set up a palette, if necessary */
slouken@1895
   600
    if (SDL_ISPIXELFORMAT_INDEXED(display_mode.format)) {
slouken@1895
   601
        ncolors = (1 << SDL_BITSPERPIXEL(display_mode.format));
slouken@1895
   602
    } else {
slouken@1895
   603
        ncolors = 0;
slouken@1895
   604
    }
slouken@1895
   605
    if ((!ncolors && display->palette) || (ncolors && !display->palette)
slouken@1895
   606
        || (ncolors && ncolors != display->palette->ncolors)) {
slouken@1895
   607
        if (display->palette) {
slouken@1895
   608
            SDL_FreePalette(display->palette);
slouken@1895
   609
            display->palette = NULL;
slouken@1895
   610
        }
slouken@1895
   611
        if (ncolors) {
slouken@1895
   612
            display->palette = SDL_AllocPalette(ncolors);
slouken@1895
   613
            if (!display->palette) {
slouken@1895
   614
                return -1;
slouken@1895
   615
            }
slouken@1895
   616
            SDL_DitherColors(display->palette->colors,
slouken@1895
   617
                             SDL_BITSPERPIXEL(display_mode.format));
slouken@1895
   618
        }
slouken@1895
   619
    }
slouken@1895
   620
slouken@1895
   621
    /* Move any fullscreen windows into position */
slouken@1895
   622
    for (i = 0; i < display->num_windows; ++i) {
slouken@1895
   623
        SDL_Window *window = &display->windows[i];
slouken@1895
   624
        if (FULLSCREEN_VISIBLE(window)) {
slouken@1956
   625
            SDL_SetWindowPosition(window->id, SDL_WINDOWPOS_CENTERED,
slouken@1956
   626
                                  SDL_WINDOWPOS_CENTERED);
slouken@1895
   627
        }
slouken@1895
   628
    }
slouken@1895
   629
slouken@1895
   630
    return 0;
slouken@0
   631
}
slouken@0
   632
slouken@1895
   633
int
slouken@1895
   634
SDL_SetFullscreenDisplayMode(const SDL_DisplayMode * mode)
slouken@0
   635
{
slouken@1895
   636
    SDL_VideoDisplay *display;
slouken@1895
   637
    int i;
slouken@0
   638
slouken@1895
   639
    if (!_this) {
slouken@1912
   640
        SDL_UninitializedVideo();
slouken@1895
   641
        return -1;
slouken@1895
   642
    }
slouken@0
   643
slouken@1895
   644
    display = &SDL_CurrentDisplay;
slouken@1895
   645
    if (mode) {
slouken@1895
   646
        SDL_GetClosestDisplayMode(mode, &display->desired_mode);
slouken@1895
   647
        display->fullscreen_mode = &display->desired_mode;
slouken@1895
   648
    } else {
slouken@1895
   649
        display->fullscreen_mode = NULL;
slouken@1895
   650
    }
slouken@1895
   651
slouken@1895
   652
    /* Actually set the mode if we have a fullscreen window visible */
slouken@1895
   653
    for (i = 0; i < display->num_windows; ++i) {
slouken@1895
   654
        SDL_Window *window = &display->windows[i];
slouken@1895
   655
        if (FULLSCREEN_VISIBLE(window)) {
slouken@1895
   656
            return SDL_SetDisplayMode(display->fullscreen_mode);
slouken@1895
   657
        }
slouken@1895
   658
    }
slouken@1895
   659
    return 0;
slouken@0
   660
}
slouken@0
   661
slouken@1895
   662
const SDL_DisplayMode *
slouken@1895
   663
SDL_GetFullscreenDisplayMode(void)
slouken@0
   664
{
slouken@1895
   665
    if (_this) {
slouken@1895
   666
        return SDL_CurrentDisplay.fullscreen_mode;
slouken@1895
   667
    }
slouken@1895
   668
    return NULL;
slouken@0
   669
}
slouken@0
   670
slouken@1895
   671
int
slouken@1895
   672
SDL_SetDisplayPalette(const SDL_Color * colors, int firstcolor, int ncolors)
slouken@0
   673
{
slouken@1895
   674
    SDL_Palette *palette;
slouken@1895
   675
    int status = 0;
slouken@0
   676
slouken@1895
   677
    if (!_this) {
slouken@1912
   678
        SDL_UninitializedVideo();
slouken@1895
   679
        return -1;
slouken@1895
   680
    }
slouken@1895
   681
    palette = SDL_CurrentDisplay.palette;
slouken@1895
   682
    if (!palette) {
slouken@1895
   683
        SDL_SetError("Display mode does not have a palette");
slouken@1895
   684
        return -1;
slouken@1895
   685
    }
slouken@0
   686
slouken@1895
   687
    status = SDL_SetPaletteColors(palette, colors, firstcolor, ncolors);
slouken@0
   688
slouken@1895
   689
    if (_this->SetDisplayPalette) {
slouken@1895
   690
        if (_this->SetDisplayPalette(_this, palette) < 0) {
slouken@1895
   691
            status = -1;
slouken@1895
   692
        }
slouken@1895
   693
    }
slouken@1895
   694
    return status;
slouken@0
   695
}
slouken@0
   696
slouken@1895
   697
int
slouken@1895
   698
SDL_GetDisplayPalette(SDL_Color * colors, int firstcolor, int ncolors)
slouken@0
   699
{
slouken@1895
   700
    SDL_Palette *palette;
slouken@1895
   701
slouken@1895
   702
    if (!_this) {
slouken@1912
   703
        SDL_UninitializedVideo();
slouken@1895
   704
        return -1;
slouken@1895
   705
    }
slouken@1895
   706
slouken@1895
   707
    palette = SDL_CurrentDisplay.palette;
slouken@1895
   708
    if (!palette->ncolors) {
slouken@1895
   709
        SDL_SetError("Display mode does not have a palette");
slouken@1895
   710
        return -1;
slouken@1895
   711
    }
slouken@1895
   712
slouken@1895
   713
    if (firstcolor < 0 || (firstcolor + ncolors) > palette->ncolors) {
slouken@1895
   714
        SDL_SetError("Palette indices are out of range");
slouken@1895
   715
        return -1;
slouken@1895
   716
    }
slouken@1895
   717
slouken@1895
   718
    SDL_memcpy(colors, &palette->colors[firstcolor],
slouken@1895
   719
               ncolors * sizeof(*colors));
slouken@1895
   720
    return 0;
slouken@0
   721
}
slouken@0
   722
slouken@1895
   723
SDL_WindowID
slouken@1895
   724
SDL_CreateWindow(const char *title, int x, int y, int w, int h, Uint32 flags)
slouken@0
   725
{
slouken@1895
   726
    const Uint32 allowed_flags = (SDL_WINDOW_FULLSCREEN |
slouken@1895
   727
                                  SDL_WINDOW_OPENGL |
slouken@1895
   728
                                  SDL_WINDOW_BORDERLESS |
slouken@1956
   729
                                  SDL_WINDOW_RESIZABLE);
slouken@1895
   730
    SDL_VideoDisplay *display;
slouken@1895
   731
    SDL_Window window;
slouken@1895
   732
    int num_windows;
slouken@1895
   733
    SDL_Window *windows;
slouken@0
   734
slouken@1895
   735
    if (!_this) {
slouken@1912
   736
        SDL_UninitializedVideo();
slouken@1912
   737
        return 0;
slouken@1912
   738
    }
slouken@1912
   739
slouken@1912
   740
    if ((flags & SDL_WINDOW_OPENGL) && !_this->GL_CreateContext) {
slouken@1912
   741
        SDL_SetError("No OpenGL support in video driver");
slouken@1895
   742
        return 0;
slouken@1895
   743
    }
slouken@0
   744
slouken@1956
   745
    /* Fullscreen windows don't have any window decorations */
slouken@1956
   746
    if (flags & SDL_WINDOW_FULLSCREEN) {
slouken@1956
   747
        flags |= SDL_WINDOW_BORDERLESS;
slouken@1956
   748
        flags &= ~SDL_WINDOW_RESIZABLE;
slouken@1956
   749
    }
slouken@1956
   750
slouken@1895
   751
    SDL_zero(window);
slouken@1895
   752
    window.id = _this->next_object_id++;
slouken@1895
   753
    window.x = x;
slouken@1895
   754
    window.y = y;
slouken@1895
   755
    window.w = w;
slouken@1895
   756
    window.h = h;
slouken@1895
   757
    window.flags = (flags & allowed_flags);
slouken@1895
   758
    window.display = _this->current_display;
slouken@0
   759
slouken@1895
   760
    if (_this->CreateWindow && _this->CreateWindow(_this, &window) < 0) {
slouken@1895
   761
        return 0;
slouken@1895
   762
    }
slouken@0
   763
slouken@1895
   764
    display = &SDL_CurrentDisplay;
slouken@1895
   765
    num_windows = display->num_windows;
slouken@1895
   766
    windows =
slouken@1895
   767
        SDL_realloc(display->windows, (num_windows + 1) * sizeof(*windows));
slouken@1895
   768
    if (!windows) {
slouken@1895
   769
        if (_this->DestroyWindow) {
slouken@1895
   770
            _this->DestroyWindow(_this, &window);
slouken@1895
   771
        }
slouken@1895
   772
        return 0;
slouken@1895
   773
    }
slouken@1895
   774
    windows[num_windows] = window;
slouken@1895
   775
    display->windows = windows;
slouken@1895
   776
    display->num_windows++;
slouken@0
   777
slouken@1956
   778
    if (title) {
slouken@1956
   779
        SDL_SetWindowTitle(window.id, title);
slouken@1895
   780
    }
slouken@1956
   781
    if (flags & SDL_WINDOW_MAXIMIZED) {
slouken@1956
   782
        SDL_MaximizeWindow(window.id);
slouken@1956
   783
    }
slouken@1956
   784
    if (flags & SDL_WINDOW_MINIMIZED) {
slouken@1956
   785
        SDL_MinimizeWindow(window.id);
slouken@1956
   786
    }
slouken@1956
   787
    if (flags & SDL_WINDOW_SHOWN) {
slouken@1956
   788
        SDL_ShowWindow(window.id);
slouken@1956
   789
    }
slouken@1956
   790
    if (flags & SDL_WINDOW_INPUT_GRABBED) {
slouken@1956
   791
        SDL_SetWindowGrab(window.id, 1);
slouken@1956
   792
    }
slouken@1895
   793
    return window.id;
slouken@1895
   794
}
slouken@0
   795
slouken@1895
   796
SDL_WindowID
slouken@1895
   797
SDL_CreateWindowFrom(const void *data)
slouken@1895
   798
{
slouken@1895
   799
    SDL_VideoDisplay *display;
slouken@1895
   800
    SDL_Window window;
slouken@1895
   801
    int num_windows;
slouken@1895
   802
    SDL_Window *windows;
slouken@0
   803
slouken@1895
   804
    if (!_this) {
slouken@1912
   805
        SDL_UninitializedVideo();
slouken@1895
   806
        return (0);
slouken@1895
   807
    }
slouken@1895
   808
slouken@1895
   809
    SDL_zero(window);
slouken@1895
   810
    window.id = _this->next_object_id++;
slouken@1895
   811
    window.display = _this->current_display;
slouken@1895
   812
slouken@1895
   813
    if (!_this->CreateWindowFrom ||
slouken@1895
   814
        _this->CreateWindowFrom(_this, &window, data) < 0) {
slouken@1895
   815
        return 0;
slouken@1895
   816
    }
slouken@1895
   817
slouken@1895
   818
    display = &SDL_CurrentDisplay;
slouken@1895
   819
    num_windows = display->num_windows;
slouken@1895
   820
    windows =
slouken@1895
   821
        SDL_realloc(display->windows, (num_windows + 1) * sizeof(*windows));
slouken@1895
   822
    if (!windows) {
slouken@1895
   823
        if (_this->DestroyWindow) {
slouken@1895
   824
            _this->DestroyWindow(_this, &window);
slouken@1895
   825
        }
slouken@1895
   826
        if (window.title) {
slouken@1895
   827
            SDL_free(window.title);
slouken@1895
   828
        }
slouken@1895
   829
        return 0;
slouken@1895
   830
    }
slouken@1895
   831
    windows[num_windows] = window;
slouken@1895
   832
    display->windows = windows;
slouken@1895
   833
    display->num_windows++;
slouken@1895
   834
slouken@1895
   835
    return window.id;
slouken@1895
   836
}
slouken@1895
   837
slouken@1924
   838
int
slouken@1928
   839
SDL_RecreateWindow(SDL_Window * window, Uint32 flags)
slouken@1924
   840
{
slouken@1956
   841
    char *title = window->title;
slouken@1956
   842
slouken@1928
   843
    if ((flags & SDL_WINDOW_OPENGL) && !_this->GL_CreateContext) {
slouken@1924
   844
        SDL_SetError("No OpenGL support in video driver");
slouken@1924
   845
        return -1;
slouken@1924
   846
    }
slouken@1956
   847
slouken@1924
   848
    if (_this->DestroyWindow) {
slouken@1924
   849
        _this->DestroyWindow(_this, window);
slouken@1924
   850
    }
slouken@1956
   851
slouken@1956
   852
    window->title = NULL;
slouken@1956
   853
    window->flags =
slouken@1956
   854
        (flags &
slouken@1956
   855
         ~(SDL_WINDOW_MAXIMIZED | SDL_WINDOW_MINIMIZED | SDL_WINDOW_SHOWN |
slouken@1956
   856
           SDL_WINDOW_INPUT_GRABBED));
slouken@1956
   857
slouken@1956
   858
    if (_this->CreateWindow && _this->CreateWindow(_this, window) < 0) {
slouken@1956
   859
        return -1;
slouken@1956
   860
    }
slouken@1956
   861
slouken@1956
   862
    if (title) {
slouken@1956
   863
        SDL_SetWindowTitle(window->id, title);
slouken@1956
   864
        SDL_free(title);
slouken@1956
   865
    }
slouken@1956
   866
    if (flags & SDL_WINDOW_MAXIMIZED) {
slouken@1956
   867
        SDL_MaximizeWindow(window->id);
slouken@1956
   868
    }
slouken@1956
   869
    if (flags & SDL_WINDOW_MINIMIZED) {
slouken@1956
   870
        SDL_MinimizeWindow(window->id);
slouken@1956
   871
    }
slouken@1956
   872
    if (flags & SDL_WINDOW_SHOWN) {
slouken@1956
   873
        SDL_ShowWindow(window->id);
slouken@1956
   874
    }
slouken@1956
   875
    if (flags & SDL_WINDOW_INPUT_GRABBED) {
slouken@1956
   876
        SDL_SetWindowGrab(window->id, 1);
slouken@1956
   877
    }
slouken@1956
   878
    return 0;
slouken@1924
   879
}
slouken@1924
   880
slouken@1895
   881
SDL_Window *
slouken@1895
   882
SDL_GetWindowFromID(SDL_WindowID windowID)
slouken@1895
   883
{
slouken@1895
   884
    int i, j;
slouken@1895
   885
slouken@1895
   886
    if (!_this) {
slouken@1912
   887
        SDL_UninitializedVideo();
slouken@1895
   888
        return NULL;
slouken@1895
   889
    }
slouken@1895
   890
slouken@1895
   891
    for (i = 0; i < _this->num_displays; ++i) {
slouken@1895
   892
        SDL_VideoDisplay *display = &_this->displays[i];
slouken@1895
   893
        for (j = 0; j < display->num_windows; ++j) {
slouken@1895
   894
            SDL_Window *window = &display->windows[j];
slouken@1895
   895
            if (window->id == windowID) {
slouken@1895
   896
                return window;
slouken@1895
   897
            }
slouken@1895
   898
        }
slouken@1895
   899
    }
slouken@1895
   900
    return NULL;
slouken@1895
   901
}
slouken@1895
   902
slouken@1895
   903
SDL_VideoDisplay *
slouken@1895
   904
SDL_GetDisplayFromWindow(SDL_Window * window)
slouken@1895
   905
{
slouken@1895
   906
    if (!_this) {
slouken@1912
   907
        SDL_UninitializedVideo();
slouken@1895
   908
        return NULL;
slouken@1895
   909
    }
slouken@1956
   910
    if (!window) {
slouken@1956
   911
        return NULL;
slouken@1956
   912
    }
slouken@1895
   913
    return &_this->displays[window->display];
slouken@1895
   914
}
slouken@1895
   915
slouken@1895
   916
Uint32
slouken@1895
   917
SDL_GetWindowFlags(SDL_WindowID windowID)
slouken@1895
   918
{
slouken@1895
   919
    SDL_Window *window = SDL_GetWindowFromID(windowID);
slouken@1895
   920
slouken@1895
   921
    if (!window) {
slouken@1895
   922
        return 0;
slouken@1895
   923
    }
slouken@1895
   924
    return window->flags;
slouken@1895
   925
}
slouken@1895
   926
slouken@1895
   927
void
slouken@1895
   928
SDL_SetWindowTitle(SDL_WindowID windowID, const char *title)
slouken@1895
   929
{
slouken@1895
   930
    SDL_Window *window = SDL_GetWindowFromID(windowID);
slouken@1956
   931
    const char *last_title;
slouken@1895
   932
slouken@1956
   933
    if (!window || title == window->title) {
slouken@1895
   934
        return;
slouken@1895
   935
    }
slouken@1956
   936
slouken@1895
   937
    if (window->title) {
slouken@1895
   938
        SDL_free(window->title);
slouken@1895
   939
    }
slouken@1956
   940
    if (title) {
slouken@1956
   941
        window->title = SDL_strdup(title);
slouken@1956
   942
    } else {
slouken@1956
   943
        window->title = NULL;
slouken@1956
   944
    }
slouken@1895
   945
slouken@1895
   946
    if (_this->SetWindowTitle) {
slouken@1895
   947
        _this->SetWindowTitle(_this, window);
slouken@1895
   948
    }
slouken@1895
   949
}
slouken@1895
   950
slouken@1895
   951
const char *
slouken@1895
   952
SDL_GetWindowTitle(SDL_WindowID windowID)
slouken@1895
   953
{
slouken@1895
   954
    SDL_Window *window = SDL_GetWindowFromID(windowID);
slouken@1895
   955
slouken@1895
   956
    if (!window) {
slouken@1895
   957
        return NULL;
slouken@1895
   958
    }
slouken@1895
   959
    return window->title;
slouken@1895
   960
}
slouken@1895
   961
slouken@1895
   962
void
slouken@1895
   963
SDL_SetWindowData(SDL_WindowID windowID, void *userdata)
slouken@1895
   964
{
slouken@1895
   965
    SDL_Window *window = SDL_GetWindowFromID(windowID);
slouken@1895
   966
slouken@1895
   967
    if (!window) {
slouken@1895
   968
        return;
slouken@1895
   969
    }
slouken@1895
   970
    window->userdata = userdata;
slouken@1895
   971
}
slouken@1895
   972
slouken@1895
   973
void *
slouken@1895
   974
SDL_GetWindowData(SDL_WindowID windowID)
slouken@1895
   975
{
slouken@1895
   976
    SDL_Window *window = SDL_GetWindowFromID(windowID);
slouken@1895
   977
slouken@1895
   978
    if (!window) {
slouken@1895
   979
        return NULL;
slouken@1895
   980
    }
slouken@1895
   981
    return window->userdata;
slouken@1895
   982
}
slouken@1895
   983
slouken@1895
   984
void
slouken@1895
   985
SDL_SetWindowPosition(SDL_WindowID windowID, int x, int y)
slouken@1895
   986
{
slouken@1895
   987
    SDL_Window *window = SDL_GetWindowFromID(windowID);
slouken@1956
   988
    SDL_VideoDisplay *display = SDL_GetDisplayFromWindow(window);
slouken@1895
   989
slouken@1895
   990
    if (!window) {
slouken@1895
   991
        return;
slouken@1895
   992
    }
slouken@1895
   993
slouken@1956
   994
    if (x == SDL_WINDOWPOS_CENTERED) {
slouken@1956
   995
        window->x = (display->current_mode.w - window->w) / 2;
slouken@1956
   996
    } else if (x != SDL_WINDOWPOS_UNDEFINED) {
slouken@1895
   997
        window->x = x;
slouken@1895
   998
    }
slouken@1956
   999
    if (y == SDL_WINDOWPOS_CENTERED) {
slouken@1956
  1000
        window->y = (display->current_mode.h - window->h) / 2;
slouken@1956
  1001
    } else if (y != SDL_WINDOWPOS_UNDEFINED) {
slouken@1895
  1002
        window->y = y;
slouken@1895
  1003
    }
slouken@1895
  1004
slouken@1895
  1005
    if (_this->SetWindowPosition) {
slouken@1895
  1006
        _this->SetWindowPosition(_this, window);
slouken@1895
  1007
    }
slouken@1895
  1008
}
slouken@1895
  1009
slouken@1895
  1010
void
slouken@1895
  1011
SDL_GetWindowPosition(SDL_WindowID windowID, int *x, int *y)
slouken@1895
  1012
{
slouken@1895
  1013
    SDL_Window *window = SDL_GetWindowFromID(windowID);
slouken@1895
  1014
slouken@1895
  1015
    if (!window) {
slouken@1895
  1016
        return;
slouken@1895
  1017
    }
slouken@1895
  1018
    if (x) {
slouken@1895
  1019
        *x = window->x;
slouken@1895
  1020
    }
slouken@1895
  1021
    if (y) {
slouken@1895
  1022
        *y = window->y;
slouken@1895
  1023
    }
slouken@1895
  1024
}
slouken@1895
  1025
slouken@1895
  1026
void
slouken@1895
  1027
SDL_SetWindowSize(SDL_WindowID windowID, int w, int h)
slouken@1895
  1028
{
slouken@1895
  1029
    SDL_Window *window = SDL_GetWindowFromID(windowID);
slouken@1895
  1030
slouken@1895
  1031
    if (!window) {
slouken@1895
  1032
        return;
slouken@1895
  1033
    }
slouken@1895
  1034
slouken@1895
  1035
    window->w = w;
slouken@1895
  1036
    window->h = h;
slouken@1895
  1037
slouken@1895
  1038
    if (_this->SetWindowSize) {
slouken@1895
  1039
        _this->SetWindowSize(_this, window);
slouken@1895
  1040
    }
slouken@1895
  1041
}
slouken@1895
  1042
slouken@1895
  1043
void
slouken@1895
  1044
SDL_GetWindowSize(SDL_WindowID windowID, int *w, int *h)
slouken@1895
  1045
{
slouken@1895
  1046
    SDL_Window *window = SDL_GetWindowFromID(windowID);
slouken@1895
  1047
slouken@1895
  1048
    if (!window) {
slouken@1895
  1049
        return;
slouken@1895
  1050
    }
slouken@1895
  1051
    if (w) {
slouken@1895
  1052
        *w = window->w;
slouken@1895
  1053
    }
slouken@1895
  1054
    if (h) {
slouken@1895
  1055
        *h = window->h;
slouken@1895
  1056
    }
slouken@1895
  1057
}
slouken@1895
  1058
slouken@1895
  1059
void
slouken@1895
  1060
SDL_ShowWindow(SDL_WindowID windowID)
slouken@1895
  1061
{
slouken@1895
  1062
    SDL_Window *window = SDL_GetWindowFromID(windowID);
slouken@1895
  1063
slouken@1895
  1064
    if (!window || (window->flags & SDL_WINDOW_SHOWN)) {
slouken@1895
  1065
        return;
slouken@1895
  1066
    }
slouken@1895
  1067
slouken@1895
  1068
    SDL_SendWindowEvent(window->id, SDL_WINDOWEVENT_SHOWN, 0, 0);
slouken@1895
  1069
slouken@1895
  1070
    if (_this->ShowWindow) {
slouken@1895
  1071
        _this->ShowWindow(_this, window);
slouken@1895
  1072
    }
slouken@1895
  1073
}
slouken@1895
  1074
slouken@1895
  1075
void
slouken@1895
  1076
SDL_HideWindow(SDL_WindowID windowID)
slouken@1895
  1077
{
slouken@1895
  1078
    SDL_Window *window = SDL_GetWindowFromID(windowID);
slouken@1895
  1079
slouken@1895
  1080
    if (!window || !(window->flags & SDL_WINDOW_SHOWN)) {
slouken@1895
  1081
        return;
slouken@1895
  1082
    }
slouken@1895
  1083
slouken@1895
  1084
    SDL_SendWindowEvent(window->id, SDL_WINDOWEVENT_HIDDEN, 0, 0);
slouken@1895
  1085
slouken@1895
  1086
    if (_this->HideWindow) {
slouken@1895
  1087
        _this->HideWindow(_this, window);
slouken@1895
  1088
    }
slouken@1895
  1089
}
slouken@1895
  1090
slouken@1895
  1091
void
slouken@1895
  1092
SDL_RaiseWindow(SDL_WindowID windowID)
slouken@1895
  1093
{
slouken@1895
  1094
    SDL_Window *window = SDL_GetWindowFromID(windowID);
slouken@1895
  1095
slouken@1956
  1096
    if (!window || !(window->flags & SDL_WINDOW_SHOWN)) {
slouken@1895
  1097
        return;
slouken@1895
  1098
    }
slouken@1895
  1099
slouken@1895
  1100
    if (_this->RaiseWindow) {
slouken@1895
  1101
        _this->RaiseWindow(_this, window);
slouken@1895
  1102
    }
slouken@1895
  1103
}
slouken@1895
  1104
slouken@1895
  1105
void
slouken@1895
  1106
SDL_MaximizeWindow(SDL_WindowID windowID)
slouken@1895
  1107
{
slouken@1895
  1108
    SDL_Window *window = SDL_GetWindowFromID(windowID);
slouken@1895
  1109
slouken@1895
  1110
    if (!window || (window->flags & SDL_WINDOW_MAXIMIZED)) {
slouken@1895
  1111
        return;
slouken@1895
  1112
    }
slouken@1895
  1113
slouken@1895
  1114
    SDL_SendWindowEvent(window->id, SDL_WINDOWEVENT_MAXIMIZED, 0, 0);
slouken@1895
  1115
slouken@1895
  1116
    if (_this->MaximizeWindow) {
slouken@1895
  1117
        _this->MaximizeWindow(_this, window);
slouken@1895
  1118
    }
slouken@1895
  1119
}
slouken@1895
  1120
slouken@1895
  1121
void
slouken@1895
  1122
SDL_MinimizeWindow(SDL_WindowID windowID)
slouken@1895
  1123
{
slouken@1895
  1124
    SDL_Window *window = SDL_GetWindowFromID(windowID);
slouken@1895
  1125
slouken@1895
  1126
    if (!window || (window->flags & SDL_WINDOW_MINIMIZED)) {
slouken@1895
  1127
        return;
slouken@1895
  1128
    }
slouken@1895
  1129
slouken@1895
  1130
    SDL_SendWindowEvent(window->id, SDL_WINDOWEVENT_MINIMIZED, 0, 0);
slouken@1895
  1131
slouken@1895
  1132
    if (_this->MinimizeWindow) {
slouken@1895
  1133
        _this->MinimizeWindow(_this, window);
slouken@1895
  1134
    }
slouken@1895
  1135
}
slouken@1895
  1136
slouken@1895
  1137
void
slouken@1895
  1138
SDL_RestoreWindow(SDL_WindowID windowID)
slouken@1895
  1139
{
slouken@1895
  1140
    SDL_Window *window = SDL_GetWindowFromID(windowID);
slouken@1895
  1141
slouken@1895
  1142
    if (!window
slouken@1895
  1143
        || (window->flags & (SDL_WINDOW_MAXIMIZED | SDL_WINDOW_MINIMIZED))) {
slouken@1895
  1144
        return;
slouken@1895
  1145
    }
slouken@1895
  1146
slouken@1895
  1147
    SDL_SendWindowEvent(window->id, SDL_WINDOWEVENT_RESTORED, 0, 0);
slouken@1895
  1148
slouken@1895
  1149
    if (_this->RestoreWindow) {
slouken@1895
  1150
        _this->RestoreWindow(_this, window);
slouken@1895
  1151
    }
slouken@1895
  1152
}
slouken@1895
  1153
slouken@1895
  1154
int
slouken@1895
  1155
SDL_SetWindowFullscreen(SDL_WindowID windowID, int fullscreen)
slouken@1895
  1156
{
slouken@1895
  1157
    SDL_Window *window = SDL_GetWindowFromID(windowID);
slouken@1895
  1158
slouken@1895
  1159
    if (!window) {
slouken@1895
  1160
        return -1;
slouken@1895
  1161
    }
slouken@1895
  1162
slouken@1895
  1163
    if (fullscreen) {
slouken@1895
  1164
        fullscreen = SDL_WINDOW_FULLSCREEN;
slouken@1895
  1165
    }
slouken@1895
  1166
    if ((window->flags & SDL_WINDOW_FULLSCREEN) == fullscreen) {
slouken@1895
  1167
        return 0;
slouken@1895
  1168
    }
slouken@1895
  1169
slouken@1895
  1170
    if (fullscreen) {
slouken@1895
  1171
        window->flags |= SDL_WINDOW_FULLSCREEN;
slouken@1895
  1172
slouken@1895
  1173
        if (FULLSCREEN_VISIBLE(window)) {
slouken@1895
  1174
            SDL_VideoDisplay *display = SDL_GetDisplayFromWindow(window);
slouken@1895
  1175
slouken@1895
  1176
            /* Hide any other fullscreen windows */
slouken@1895
  1177
            int i;
slouken@1895
  1178
            for (i = 0; i < display->num_windows; ++i) {
slouken@1895
  1179
                SDL_Window *other = &display->windows[i];
slouken@1895
  1180
                if (other->id != windowID && FULLSCREEN_VISIBLE(other)) {
slouken@1895
  1181
                    SDL_MinimizeWindow(other->id);
slouken@1895
  1182
                }
slouken@1895
  1183
            }
slouken@1895
  1184
slouken@1895
  1185
            SDL_SetDisplayMode(display->fullscreen_mode);
slouken@1895
  1186
        }
slouken@1895
  1187
    } else {
slouken@1895
  1188
        window->flags &= ~SDL_WINDOW_FULLSCREEN;
slouken@1895
  1189
slouken@1895
  1190
        if (FULLSCREEN_VISIBLE(window)) {
slouken@1895
  1191
            SDL_SetDisplayMode(NULL);
slouken@1895
  1192
        }
slouken@1895
  1193
    }
slouken@1895
  1194
    return 0;
slouken@1895
  1195
}
slouken@1895
  1196
slouken@1895
  1197
void
slouken@1895
  1198
SDL_SetWindowGrab(SDL_WindowID windowID, int mode)
slouken@1895
  1199
{
slouken@1895
  1200
    SDL_Window *window = SDL_GetWindowFromID(windowID);
slouken@1895
  1201
slouken@1895
  1202
    if (!window || (!!mode == !!(window->flags & SDL_WINDOW_INPUT_GRABBED))) {
slouken@1895
  1203
        return;
slouken@1895
  1204
    }
slouken@1895
  1205
slouken@1895
  1206
    if (mode) {
slouken@1895
  1207
        window->flags |= SDL_WINDOW_INPUT_GRABBED;
slouken@1895
  1208
    } else {
slouken@1895
  1209
        window->flags &= ~SDL_WINDOW_INPUT_GRABBED;
slouken@1895
  1210
    }
slouken@1895
  1211
slouken@1895
  1212
    if ((window->flags & SDL_WINDOW_INPUT_FOCUS) && _this->SetWindowGrab) {
slouken@1895
  1213
        _this->SetWindowGrab(_this, window);
slouken@1895
  1214
    }
slouken@1895
  1215
}
slouken@1895
  1216
slouken@1895
  1217
int
slouken@1895
  1218
SDL_GetWindowGrab(SDL_WindowID windowID)
slouken@1895
  1219
{
slouken@1895
  1220
    SDL_Window *window = SDL_GetWindowFromID(windowID);
slouken@1895
  1221
slouken@1895
  1222
    if (!window) {
slouken@1895
  1223
        return 0;
slouken@1895
  1224
    }
slouken@1895
  1225
slouken@1895
  1226
    return ((window->flags & SDL_WINDOW_INPUT_GRABBED) != 0);
slouken@1895
  1227
}
slouken@1895
  1228
slouken@1895
  1229
void
slouken@1895
  1230
SDL_OnWindowShown(SDL_Window * window)
slouken@1895
  1231
{
slouken@1895
  1232
}
slouken@1895
  1233
slouken@1895
  1234
void
slouken@1895
  1235
SDL_OnWindowHidden(SDL_Window * window)
slouken@1895
  1236
{
slouken@1895
  1237
}
slouken@1895
  1238
slouken@1895
  1239
void
slouken@1895
  1240
SDL_OnWindowFocusGained(SDL_Window * window)
slouken@1895
  1241
{
slouken@1895
  1242
    SDL_VideoDisplay *display = SDL_GetDisplayFromWindow(window);
slouken@1895
  1243
slouken@1895
  1244
    if (window->flags & SDL_WINDOW_FULLSCREEN) {
slouken@1895
  1245
        SDL_SetDisplayMode(display->fullscreen_mode);
slouken@1895
  1246
    }
slouken@1895
  1247
    if (display->gamma && _this->SetDisplayGammaRamp) {
slouken@1895
  1248
        _this->SetDisplayGammaRamp(_this, display->gamma);
slouken@1895
  1249
    }
slouken@1895
  1250
    if ((window->flags & SDL_WINDOW_INPUT_GRABBED) && _this->SetWindowGrab) {
slouken@1895
  1251
        _this->SetWindowGrab(_this, window);
slouken@1895
  1252
    }
slouken@1895
  1253
}
slouken@1895
  1254
slouken@1895
  1255
void
slouken@1895
  1256
SDL_OnWindowFocusLost(SDL_Window * window)
slouken@1895
  1257
{
slouken@1895
  1258
    SDL_VideoDisplay *display = SDL_GetDisplayFromWindow(window);
slouken@1895
  1259
slouken@1895
  1260
    if (window->flags & SDL_WINDOW_FULLSCREEN) {
slouken@1895
  1261
        SDL_MinimizeWindow(window->id);
slouken@1895
  1262
        SDL_SetDisplayMode(NULL);
slouken@1895
  1263
    }
slouken@1895
  1264
    if (display->gamma && _this->SetDisplayGammaRamp) {
slouken@1895
  1265
        _this->SetDisplayGammaRamp(_this, display->saved_gamma);
slouken@1895
  1266
    }
slouken@1895
  1267
    if ((window->flags & SDL_WINDOW_INPUT_GRABBED) && _this->SetWindowGrab) {
slouken@1895
  1268
        _this->SetWindowGrab(_this, window);
slouken@1895
  1269
    }
slouken@1895
  1270
}
slouken@1895
  1271
slouken@1895
  1272
SDL_WindowID
slouken@1895
  1273
SDL_GetFocusWindow(void)
slouken@1895
  1274
{
slouken@1895
  1275
    SDL_VideoDisplay *display;
slouken@1895
  1276
    int i;
slouken@1895
  1277
slouken@1895
  1278
    if (!_this) {
slouken@1895
  1279
        return 0;
slouken@1895
  1280
    }
slouken@1895
  1281
slouken@1895
  1282
    display = &SDL_CurrentDisplay;
slouken@1895
  1283
    for (i = 0; i < display->num_windows; ++i) {
slouken@1895
  1284
        SDL_Window *window = &display->windows[i];
slouken@1895
  1285
slouken@1895
  1286
        if (window->flags & SDL_WINDOW_INPUT_FOCUS) {
slouken@1895
  1287
            return window->id;
slouken@1895
  1288
        }
slouken@1895
  1289
    }
slouken@1895
  1290
    return 0;
slouken@1895
  1291
}
slouken@1895
  1292
slouken@1895
  1293
void
slouken@1895
  1294
SDL_DestroyWindow(SDL_WindowID windowID)
slouken@1895
  1295
{
slouken@1895
  1296
    int i, j;
slouken@1895
  1297
slouken@1895
  1298
    if (!_this) {
slouken@1895
  1299
        return;
slouken@1895
  1300
    }
slouken@1895
  1301
slouken@1895
  1302
    /* Restore video mode, etc. */
slouken@1895
  1303
    SDL_SendWindowEvent(windowID, SDL_WINDOWEVENT_FOCUS_LOST, 0, 0);
slouken@1895
  1304
slouken@1895
  1305
    for (i = 0; i < _this->num_displays; ++i) {
slouken@1895
  1306
        SDL_VideoDisplay *display = &_this->displays[i];
slouken@1895
  1307
        for (j = 0; j < display->num_windows; ++j) {
slouken@1895
  1308
            SDL_Window *window = &display->windows[j];
slouken@1895
  1309
            if (window->id != windowID) {
slouken@1895
  1310
                continue;
slouken@1895
  1311
            }
slouken@1895
  1312
            if (window->renderer) {
slouken@1895
  1313
                SDL_DestroyRenderer(window->id);
slouken@1895
  1314
            }
slouken@1895
  1315
            if (_this->DestroyWindow) {
slouken@1895
  1316
                _this->DestroyWindow(_this, window);
slouken@1895
  1317
            }
slouken@1895
  1318
            if (window->title) {
slouken@1895
  1319
                SDL_free(window->title);
slouken@1895
  1320
            }
slouken@1895
  1321
            if (j != display->num_windows - 1) {
slouken@1895
  1322
                SDL_memcpy(&display->windows[i],
slouken@1895
  1323
                           &display->windows[i + 1],
slouken@1895
  1324
                           (display->num_windows - i - 1) * sizeof(*window));
slouken@1895
  1325
            }
slouken@1895
  1326
            --display->num_windows;
slouken@1895
  1327
            return;
slouken@1895
  1328
        }
slouken@1895
  1329
    }
slouken@1895
  1330
}
slouken@1895
  1331
slouken@1895
  1332
void
slouken@1895
  1333
SDL_AddRenderDriver(int displayIndex, const SDL_RenderDriver * driver)
slouken@1895
  1334
{
slouken@1895
  1335
    SDL_VideoDisplay *display = &_this->displays[displayIndex];
slouken@1895
  1336
    SDL_RenderDriver *render_drivers;
slouken@1895
  1337
slouken@1895
  1338
    render_drivers =
slouken@1895
  1339
        SDL_realloc(display->render_drivers,
slouken@1895
  1340
                    (display->num_render_drivers +
slouken@1895
  1341
                     1) * sizeof(*render_drivers));
slouken@1895
  1342
    if (render_drivers) {
slouken@1895
  1343
        render_drivers[display->num_render_drivers] = *driver;
slouken@1895
  1344
        display->render_drivers = render_drivers;
slouken@1895
  1345
        display->num_render_drivers++;
slouken@1895
  1346
    }
slouken@1895
  1347
}
slouken@1895
  1348
slouken@1895
  1349
int
slouken@1895
  1350
SDL_GetNumRenderers(void)
slouken@1895
  1351
{
slouken@1895
  1352
    if (_this) {
slouken@1895
  1353
        return SDL_CurrentDisplay.num_render_drivers;
slouken@1895
  1354
    }
slouken@1895
  1355
    return 0;
slouken@1895
  1356
}
slouken@1895
  1357
slouken@1895
  1358
int
slouken@1895
  1359
SDL_GetRendererInfo(int index, SDL_RendererInfo * info)
slouken@1895
  1360
{
slouken@1907
  1361
    if (!_this) {
slouken@1912
  1362
        SDL_UninitializedVideo();
slouken@1907
  1363
        return -1;
slouken@1907
  1364
    }
slouken@1907
  1365
slouken@1907
  1366
    if (index >= SDL_GetNumRenderers()) {
slouken@1895
  1367
        SDL_SetError("index must be in the range of 0 - %d",
slouken@1895
  1368
                     SDL_GetNumRenderers() - 1);
slouken@1895
  1369
        return -1;
slouken@1895
  1370
    }
slouken@1907
  1371
    if (index < 0) {
slouken@1907
  1372
        if (!SDL_CurrentDisplay.current_renderer) {
slouken@1907
  1373
            SDL_SetError("There is no current renderer");
slouken@1907
  1374
            return -1;
slouken@1907
  1375
        }
slouken@1907
  1376
        *info = SDL_CurrentDisplay.current_renderer->info;
slouken@1907
  1377
    } else {
slouken@1907
  1378
        *info = SDL_CurrentDisplay.render_drivers[index].info;
slouken@1907
  1379
    }
slouken@1895
  1380
    return 0;
slouken@1895
  1381
}
slouken@1895
  1382
slouken@1895
  1383
int
slouken@1895
  1384
SDL_CreateRenderer(SDL_WindowID windowID, int index, Uint32 flags)
slouken@1895
  1385
{
slouken@1895
  1386
    SDL_Window *window = SDL_GetWindowFromID(windowID);
slouken@1895
  1387
slouken@1895
  1388
    if (!window) {
slouken@1895
  1389
        return 0;
slouken@1895
  1390
    }
slouken@1895
  1391
slouken@1895
  1392
    if (index < 0) {
slouken@1905
  1393
        const char *override = SDL_getenv("SDL_VIDEO_RENDERER");
slouken@1895
  1394
        int n = SDL_GetNumRenderers();
slouken@1895
  1395
        for (index = 0; index < n; ++index) {
slouken@1895
  1396
            SDL_RenderDriver *driver =
slouken@1895
  1397
                &SDL_CurrentDisplay.render_drivers[index];
slouken@1895
  1398
slouken@1905
  1399
            if (override) {
slouken@1905
  1400
                if (SDL_strcasecmp(override, driver->info.name) == 0) {
slouken@1905
  1401
                    break;
slouken@1905
  1402
                }
slouken@1905
  1403
            } else {
slouken@1905
  1404
                if ((driver->info.flags & flags) == flags) {
slouken@1905
  1405
                    break;
slouken@1905
  1406
                }
slouken@1895
  1407
            }
slouken@1895
  1408
        }
slouken@1895
  1409
        if (index == n) {
slouken@1895
  1410
            SDL_SetError("Couldn't find matching render driver");
slouken@1895
  1411
            return -1;
slouken@1895
  1412
        }
slouken@1895
  1413
    }
slouken@1895
  1414
slouken@1895
  1415
    if (index >= SDL_GetNumRenderers()) {
slouken@1895
  1416
        SDL_SetError("index must be -1 or in the range of 0 - %d",
slouken@1895
  1417
                     SDL_GetNumRenderers() - 1);
slouken@1895
  1418
        return -1;
slouken@1895
  1419
    }
slouken@1895
  1420
slouken@1895
  1421
    /* Free any existing renderer */
slouken@1895
  1422
    SDL_DestroyRenderer(windowID);
slouken@1895
  1423
slouken@1895
  1424
    /* Create a new renderer instance */
slouken@1895
  1425
    window->renderer =
slouken@1895
  1426
        SDL_CurrentDisplay.render_drivers[index].CreateRenderer(window,
slouken@1895
  1427
                                                                flags);
slouken@1923
  1428
    SDL_SelectRenderer(window->id);
slouken@1895
  1429
slouken@1895
  1430
    return 0;
slouken@1895
  1431
}
slouken@1895
  1432
slouken@1895
  1433
int
slouken@1895
  1434
SDL_SelectRenderer(SDL_WindowID windowID)
slouken@1895
  1435
{
slouken@1895
  1436
    SDL_Window *window = SDL_GetWindowFromID(windowID);
slouken@1923
  1437
    SDL_Renderer *renderer;
slouken@1895
  1438
slouken@1895
  1439
    if (!window || !window->renderer) {
slouken@1895
  1440
        return -1;
slouken@1895
  1441
    }
slouken@1923
  1442
    renderer = window->renderer;
slouken@1923
  1443
    if (renderer && renderer->ActivateRenderer) {
slouken@1923
  1444
        if (renderer->ActivateRenderer(renderer) < 0) {
slouken@1923
  1445
            return -1;
slouken@1923
  1446
        }
slouken@1923
  1447
    }
slouken@1923
  1448
    SDL_CurrentDisplay.current_renderer = renderer;
slouken@1895
  1449
    return 0;
slouken@1895
  1450
}
slouken@1895
  1451
slouken@1895
  1452
SDL_TextureID
slouken@1895
  1453
SDL_CreateTexture(Uint32 format, int access, int w, int h)
slouken@1895
  1454
{
slouken@1895
  1455
    int hash;
slouken@1895
  1456
    SDL_Renderer *renderer;
slouken@1895
  1457
    SDL_Texture *texture;
slouken@1895
  1458
slouken@1895
  1459
    if (!_this) {
slouken@1912
  1460
        SDL_UninitializedVideo();
slouken@1895
  1461
        return 0;
slouken@1895
  1462
    }
slouken@1895
  1463
slouken@1895
  1464
    renderer = SDL_CurrentDisplay.current_renderer;
slouken@1895
  1465
    if (!renderer || !renderer->CreateTexture) {
slouken@1895
  1466
        return 0;
slouken@1895
  1467
    }
slouken@1895
  1468
slouken@1920
  1469
    texture = (SDL_Texture *) SDL_calloc(1, sizeof(*texture));
slouken@1895
  1470
    if (!texture) {
slouken@1895
  1471
        SDL_OutOfMemory();
slouken@1895
  1472
        return 0;
slouken@1895
  1473
    }
slouken@1895
  1474
slouken@1895
  1475
    texture->id = _this->next_object_id++;
slouken@1895
  1476
    texture->format = format;
slouken@1895
  1477
    texture->access = access;
slouken@1895
  1478
    texture->w = w;
slouken@1895
  1479
    texture->h = h;
slouken@1895
  1480
    texture->renderer = renderer;
slouken@1895
  1481
slouken@1895
  1482
    if (renderer->CreateTexture(renderer, texture) < 0) {
slouken@1924
  1483
        if (renderer->DestroyTexture) {
slouken@1924
  1484
            renderer->DestroyTexture(renderer, texture);
slouken@1924
  1485
        }
slouken@1895
  1486
        SDL_free(texture);
slouken@1895
  1487
        return 0;
slouken@1895
  1488
    }
slouken@1895
  1489
slouken@1895
  1490
    hash = (texture->id % SDL_arraysize(SDL_CurrentDisplay.textures));
slouken@1895
  1491
    texture->next = SDL_CurrentDisplay.textures[hash];
slouken@1895
  1492
    SDL_CurrentDisplay.textures[hash] = texture;
slouken@1895
  1493
slouken@1895
  1494
    return texture->id;
slouken@1895
  1495
}
slouken@1895
  1496
slouken@1895
  1497
SDL_TextureID
slouken@1895
  1498
SDL_CreateTextureFromSurface(Uint32 format, int access, SDL_Surface * surface)
slouken@1895
  1499
{
slouken@1895
  1500
    SDL_TextureID textureID;
slouken@1895
  1501
    Uint32 surface_flags = surface->flags;
slouken@1895
  1502
    SDL_PixelFormat *fmt = surface->format;
slouken@1895
  1503
    Uint8 alpha;
slouken@1895
  1504
    SDL_Rect bounds;
slouken@1895
  1505
    SDL_Surface dst;
slouken@1895
  1506
    int bpp;
slouken@1895
  1507
    Uint32 Rmask, Gmask, Bmask, Amask;
slouken@1895
  1508
slouken@1895
  1509
    if (!surface) {
slouken@1895
  1510
        SDL_SetError("SDL_CreateTextureFromSurface() passed NULL surface");
slouken@1895
  1511
        return 0;
slouken@1895
  1512
    }
slouken@1895
  1513
slouken@1895
  1514
    if (format) {
slouken@1895
  1515
        if (!SDL_PixelFormatEnumToMasks
slouken@1895
  1516
            (format, &bpp, &Rmask, &Gmask, &Bmask, &Amask)) {
slouken@1895
  1517
            SDL_SetError("Unknown pixel format");
slouken@1895
  1518
            return 0;
slouken@1895
  1519
        }
slouken@1895
  1520
    } else {
slouken@1895
  1521
        if (fmt->Amask || !(surface_flags & (SDL_SRCCOLORKEY | SDL_SRCALPHA))) {
slouken@1895
  1522
            bpp = fmt->BitsPerPixel;
slouken@1895
  1523
            Rmask = fmt->Rmask;
slouken@1895
  1524
            Gmask = fmt->Gmask;
slouken@1895
  1525
            Bmask = fmt->Bmask;
slouken@1895
  1526
            Amask = fmt->Amask;
slouken@1895
  1527
        } else {
slouken@1895
  1528
            /* Need a format with alpha */
slouken@1895
  1529
            bpp = 32;
slouken@1895
  1530
            Rmask = 0x00FF0000;
slouken@1895
  1531
            Gmask = 0x0000FF00;
slouken@1895
  1532
            Bmask = 0x000000FF;
slouken@1895
  1533
            Amask = 0xFF000000;
slouken@1895
  1534
        }
slouken@1895
  1535
        format = SDL_MasksToPixelFormatEnum(bpp, Rmask, Gmask, Bmask, Amask);
slouken@1895
  1536
        if (!format) {
slouken@1895
  1537
            SDL_SetError("Unknown pixel format");
slouken@1895
  1538
            return 0;
slouken@1895
  1539
        }
slouken@1895
  1540
    }
slouken@1895
  1541
slouken@1895
  1542
    textureID = SDL_CreateTexture(format, access, surface->w, surface->h);
slouken@1895
  1543
    if (!textureID) {
slouken@1895
  1544
        return 0;
slouken@1895
  1545
    }
slouken@1895
  1546
slouken@1895
  1547
    /* Set up a destination surface for the texture update */
slouken@1895
  1548
    SDL_zero(dst);
slouken@1895
  1549
    dst.format = SDL_AllocFormat(bpp, Rmask, Gmask, Bmask, Amask);
slouken@1895
  1550
    if (!dst.format) {
slouken@1895
  1551
        SDL_DestroyTexture(textureID);
slouken@1895
  1552
        return 0;
slouken@1895
  1553
    }
slouken@1895
  1554
    dst.w = surface->w;
slouken@1895
  1555
    dst.h = surface->h;
slouken@1895
  1556
    if (SDL_LockTexture(textureID, NULL, 1, &dst.pixels, &dst.pitch) == 0) {
slouken@1895
  1557
        dst.flags |= SDL_PREALLOC;
slouken@1895
  1558
    } else {
slouken@1895
  1559
        dst.pitch = SDL_CalculatePitch(&dst);
slouken@1895
  1560
        dst.pixels = SDL_malloc(dst.h * dst.pitch);
slouken@1895
  1561
        if (!dst.pixels) {
slouken@1895
  1562
            SDL_DestroyTexture(textureID);
slouken@1895
  1563
            SDL_FreeFormat(dst.format);
slouken@1895
  1564
            SDL_OutOfMemory();
slouken@1895
  1565
            return 0;
slouken@1895
  1566
        }
slouken@1895
  1567
    }
slouken@1895
  1568
slouken@1895
  1569
    /* Copy the palette if any */
slouken@1895
  1570
    if (SDL_ISPIXELFORMAT_INDEXED(format)) {
slouken@1895
  1571
        if (fmt->palette) {
slouken@1895
  1572
            SDL_SetTexturePalette(textureID, fmt->palette->colors, 0,
slouken@1895
  1573
                                  fmt->palette->ncolors);
slouken@1895
  1574
            SDL_SetSurfacePalette(&dst, fmt->palette);
slouken@1895
  1575
        } else {
slouken@1895
  1576
            dst.format->palette =
slouken@1895
  1577
                SDL_AllocPalette((1 << SDL_BITSPERPIXEL(format)));
slouken@1895
  1578
            if (!dst.format->palette) {
slouken@1895
  1579
                SDL_DestroyTexture(textureID);
slouken@1895
  1580
                SDL_FreeFormat(dst.format);
slouken@1895
  1581
                return 0;
slouken@1895
  1582
            }
slouken@1895
  1583
            SDL_DitherColors(dst.format->palette->colors,
slouken@1895
  1584
                             SDL_BITSPERPIXEL(format));
slouken@1895
  1585
        }
slouken@1895
  1586
    }
slouken@1895
  1587
slouken@1895
  1588
    /* Make the texture transparent if the surface has colorkey */
slouken@1895
  1589
    if (surface_flags & SDL_SRCCOLORKEY) {
slouken@1895
  1590
        int row;
slouken@1895
  1591
        int length = dst.w * dst.format->BytesPerPixel;
slouken@1895
  1592
        Uint8 *p = (Uint8 *) dst.pixels;
slouken@1895
  1593
        for (row = 0; row < dst.h; ++row) {
slouken@1895
  1594
            SDL_memset(p, 0, length);
slouken@1895
  1595
            p += dst.pitch;
slouken@1895
  1596
        }
slouken@1895
  1597
    }
slouken@1895
  1598
slouken@1895
  1599
    /* Copy over the alpha channel */
slouken@1895
  1600
    if (surface_flags & SDL_SRCALPHA) {
slouken@1895
  1601
        if (fmt->Amask) {
slouken@1895
  1602
            surface->flags &= ~SDL_SRCALPHA;
slouken@1895
  1603
        } else {
slouken@1895
  1604
            /* FIXME: Need to make sure the texture has an alpha channel
slouken@1895
  1605
             *        and copy 'alpha' into the texture alpha channel.
slouken@1895
  1606
             */
slouken@1895
  1607
            alpha = surface->format->alpha;
slouken@1895
  1608
            SDL_SetAlpha(surface, 0, 0);
slouken@1895
  1609
        }
slouken@1895
  1610
    }
slouken@1895
  1611
slouken@1895
  1612
    /* Copy over the image data */
slouken@1895
  1613
    bounds.x = 0;
slouken@1895
  1614
    bounds.y = 0;
slouken@1895
  1615
    bounds.w = surface->w;
slouken@1895
  1616
    bounds.h = surface->h;
slouken@1895
  1617
    SDL_LowerBlit(surface, &bounds, &dst, &bounds);
slouken@1895
  1618
slouken@1895
  1619
    /* Clean up the original surface */
slouken@1895
  1620
    if ((surface_flags & SDL_SRCALPHA) == SDL_SRCALPHA) {
slouken@1895
  1621
        Uint32 aflags = surface_flags & (SDL_SRCALPHA | SDL_RLEACCELOK);
slouken@1895
  1622
        if (fmt->Amask) {
slouken@1895
  1623
            surface->flags |= SDL_SRCALPHA;
slouken@1895
  1624
        } else {
slouken@1895
  1625
            SDL_SetAlpha(surface, aflags, alpha);
slouken@1895
  1626
        }
slouken@1895
  1627
    }
slouken@1895
  1628
slouken@1895
  1629
    /* Update the texture */
slouken@1895
  1630
    if (dst.flags & SDL_PREALLOC) {
slouken@1895
  1631
        SDL_UnlockTexture(textureID);
slouken@1895
  1632
    } else {
slouken@1895
  1633
        SDL_UpdateTexture(textureID, NULL, dst.pixels, dst.pitch);
slouken@1895
  1634
        SDL_free(dst.pixels);
slouken@1895
  1635
    }
slouken@1895
  1636
    SDL_FreeFormat(dst.format);
slouken@1895
  1637
slouken@1895
  1638
    return textureID;
slouken@1895
  1639
}
slouken@1895
  1640
slouken@1895
  1641
static __inline__ SDL_Texture *
slouken@1895
  1642
SDL_GetTextureFromID(SDL_TextureID textureID)
slouken@1895
  1643
{
slouken@1895
  1644
    int hash;
slouken@1895
  1645
    SDL_Texture *texture;
slouken@1895
  1646
slouken@1895
  1647
    if (!_this) {
slouken@1895
  1648
        return NULL;
slouken@1895
  1649
    }
slouken@1895
  1650
slouken@1895
  1651
    hash = (textureID % SDL_arraysize(SDL_CurrentDisplay.textures));
slouken@1895
  1652
    for (texture = SDL_CurrentDisplay.textures[hash]; texture;
slouken@1895
  1653
         texture = texture->next) {
slouken@1895
  1654
        if (texture->id == textureID) {
slouken@1895
  1655
            return texture;
slouken@1895
  1656
        }
slouken@1895
  1657
    }
slouken@1895
  1658
    return NULL;
slouken@1895
  1659
}
slouken@1895
  1660
slouken@1895
  1661
int
slouken@1895
  1662
SDL_QueryTexture(SDL_TextureID textureID, Uint32 * format, int *access,
slouken@1895
  1663
                 int *w, int *h)
slouken@1895
  1664
{
slouken@1895
  1665
    SDL_Texture *texture = SDL_GetTextureFromID(textureID);
slouken@1895
  1666
slouken@1895
  1667
    if (!texture) {
slouken@1895
  1668
        return -1;
slouken@1895
  1669
    }
slouken@1895
  1670
slouken@1895
  1671
    if (format) {
slouken@1895
  1672
        *format = texture->format;
slouken@1895
  1673
    }
slouken@1895
  1674
    if (access) {
slouken@1895
  1675
        *access = texture->access;
slouken@1895
  1676
    }
slouken@1895
  1677
    if (w) {
slouken@1895
  1678
        *w = texture->w;
slouken@1895
  1679
    }
slouken@1895
  1680
    if (h) {
slouken@1895
  1681
        *h = texture->h;
slouken@1895
  1682
    }
slouken@1895
  1683
    return 0;
slouken@1895
  1684
}
slouken@1895
  1685
slouken@1895
  1686
int
slouken@1895
  1687
SDL_QueryTexturePixels(SDL_TextureID textureID, void **pixels, int *pitch)
slouken@1895
  1688
{
slouken@1895
  1689
    SDL_Texture *texture = SDL_GetTextureFromID(textureID);
slouken@1895
  1690
    SDL_Renderer *renderer;
slouken@1895
  1691
slouken@1895
  1692
    if (!texture) {
slouken@1895
  1693
        return -1;
slouken@1895
  1694
    }
slouken@1895
  1695
slouken@1895
  1696
    renderer = texture->renderer;
slouken@1895
  1697
    if (!renderer->QueryTexturePixels) {
slouken@1895
  1698
        return -1;
slouken@1895
  1699
    }
slouken@1895
  1700
    return renderer->QueryTexturePixels(renderer, texture, pixels, pitch);
slouken@1895
  1701
}
slouken@1895
  1702
slouken@1895
  1703
int
slouken@1895
  1704
SDL_SetTexturePalette(SDL_TextureID textureID, const SDL_Color * colors,
slouken@1895
  1705
                      int firstcolor, int ncolors)
slouken@1895
  1706
{
slouken@1895
  1707
    SDL_Texture *texture = SDL_GetTextureFromID(textureID);
slouken@1895
  1708
    SDL_Renderer *renderer;
slouken@1895
  1709
slouken@1895
  1710
    if (!texture) {
slouken@1895
  1711
        return -1;
slouken@1895
  1712
    }
slouken@1895
  1713
slouken@1895
  1714
    renderer = texture->renderer;
slouken@1895
  1715
    if (!renderer->SetTexturePalette) {
slouken@1895
  1716
        return -1;
slouken@1895
  1717
    }
slouken@1895
  1718
    return renderer->SetTexturePalette(renderer, texture, colors, firstcolor,
slouken@1895
  1719
                                       ncolors);
slouken@1895
  1720
}
slouken@1895
  1721
slouken@1895
  1722
int
slouken@1895
  1723
SDL_GetTexturePalette(SDL_TextureID textureID, SDL_Color * colors,
slouken@1895
  1724
                      int firstcolor, int ncolors)
slouken@1895
  1725
{
slouken@1895
  1726
    SDL_Texture *texture = SDL_GetTextureFromID(textureID);
slouken@1895
  1727
    SDL_Renderer *renderer;
slouken@1895
  1728
slouken@1895
  1729
    if (!texture) {
slouken@1895
  1730
        return -1;
slouken@1895
  1731
    }
slouken@1895
  1732
slouken@1895
  1733
    renderer = texture->renderer;
slouken@1895
  1734
    if (!renderer->GetTexturePalette) {
slouken@1895
  1735
        return -1;
slouken@1895
  1736
    }
slouken@1895
  1737
    return renderer->GetTexturePalette(renderer, texture, colors, firstcolor,
slouken@1895
  1738
                                       ncolors);
slouken@1895
  1739
}
slouken@1895
  1740
slouken@1895
  1741
int
slouken@1895
  1742
SDL_UpdateTexture(SDL_TextureID textureID, const SDL_Rect * rect,
slouken@1895
  1743
                  const void *pixels, int pitch)
slouken@1895
  1744
{
slouken@1895
  1745
    SDL_Texture *texture = SDL_GetTextureFromID(textureID);
slouken@1895
  1746
    SDL_Renderer *renderer;
slouken@1895
  1747
    SDL_Rect full_rect;
slouken@1895
  1748
slouken@1895
  1749
    if (!texture) {
slouken@1895
  1750
        return -1;
slouken@1895
  1751
    }
slouken@1895
  1752
slouken@1895
  1753
    renderer = texture->renderer;
slouken@1895
  1754
    if (!renderer->UpdateTexture) {
slouken@1895
  1755
        return -1;
slouken@1895
  1756
    }
slouken@1895
  1757
slouken@1895
  1758
    if (!rect) {
slouken@1895
  1759
        full_rect.x = 0;
slouken@1895
  1760
        full_rect.y = 0;
slouken@1895
  1761
        full_rect.w = texture->w;
slouken@1895
  1762
        full_rect.h = texture->h;
slouken@1895
  1763
        rect = &full_rect;
slouken@1895
  1764
    }
slouken@1895
  1765
slouken@1895
  1766
    return renderer->UpdateTexture(renderer, texture, rect, pixels, pitch);
slouken@1895
  1767
}
slouken@1895
  1768
slouken@1895
  1769
int
slouken@1895
  1770
SDL_LockTexture(SDL_TextureID textureID, const SDL_Rect * rect, int markDirty,
slouken@1895
  1771
                void **pixels, int *pitch)
slouken@1895
  1772
{
slouken@1895
  1773
    SDL_Texture *texture = SDL_GetTextureFromID(textureID);
slouken@1895
  1774
    SDL_Renderer *renderer;
slouken@1895
  1775
    SDL_Rect full_rect;
slouken@1895
  1776
slouken@1895
  1777
    if (!texture) {
slouken@1895
  1778
        return -1;
slouken@1895
  1779
    }
slouken@1895
  1780
slouken@1895
  1781
    renderer = texture->renderer;
slouken@1895
  1782
    if (!renderer->LockTexture) {
slouken@1895
  1783
        return -1;
slouken@1895
  1784
    }
slouken@1895
  1785
slouken@1895
  1786
    if (!rect) {
slouken@1895
  1787
        full_rect.x = 0;
slouken@1895
  1788
        full_rect.y = 0;
slouken@1895
  1789
        full_rect.w = texture->w;
slouken@1895
  1790
        full_rect.h = texture->h;
slouken@1895
  1791
        rect = &full_rect;
slouken@1895
  1792
    }
slouken@1895
  1793
slouken@1895
  1794
    return renderer->LockTexture(renderer, texture, rect, markDirty, pixels,
slouken@1895
  1795
                                 pitch);
slouken@1895
  1796
}
slouken@1895
  1797
slouken@1895
  1798
void
slouken@1895
  1799
SDL_UnlockTexture(SDL_TextureID textureID)
slouken@1895
  1800
{
slouken@1895
  1801
    SDL_Texture *texture = SDL_GetTextureFromID(textureID);
slouken@1895
  1802
    SDL_Renderer *renderer;
slouken@1895
  1803
slouken@1895
  1804
    if (!texture) {
slouken@1895
  1805
        return;
slouken@1895
  1806
    }
slouken@1895
  1807
slouken@1895
  1808
    renderer = texture->renderer;
slouken@1895
  1809
    if (!renderer->UnlockTexture) {
slouken@1895
  1810
        return;
slouken@1895
  1811
    }
slouken@1895
  1812
    renderer->UnlockTexture(renderer, texture);
slouken@1895
  1813
}
slouken@1895
  1814
slouken@1895
  1815
void
slouken@1895
  1816
SDL_DirtyTexture(SDL_TextureID textureID, int numrects,
slouken@1895
  1817
                 const SDL_Rect * rects)
slouken@1895
  1818
{
slouken@1895
  1819
    SDL_Texture *texture = SDL_GetTextureFromID(textureID);
slouken@1895
  1820
    SDL_Renderer *renderer;
slouken@1895
  1821
slouken@1895
  1822
    if (!texture) {
slouken@1895
  1823
        return;
slouken@1895
  1824
    }
slouken@1895
  1825
slouken@1895
  1826
    renderer = texture->renderer;
slouken@1895
  1827
    if (!renderer->DirtyTexture) {
slouken@1895
  1828
        return;
slouken@1895
  1829
    }
slouken@1895
  1830
    renderer->DirtyTexture(renderer, texture, numrects, rects);
slouken@1895
  1831
}
slouken@1895
  1832
slouken@1895
  1833
int
slouken@1895
  1834
SDL_RenderFill(const SDL_Rect * rect, Uint32 color)
slouken@1895
  1835
{
slouken@1895
  1836
    SDL_Renderer *renderer;
slouken@1895
  1837
    SDL_Window *window;
slouken@1895
  1838
    SDL_Rect real_rect;
slouken@1895
  1839
slouken@1895
  1840
    if (!_this) {
slouken@1912
  1841
        SDL_UninitializedVideo();
slouken@1895
  1842
        return -1;
slouken@1895
  1843
    }
slouken@1895
  1844
slouken@1895
  1845
    renderer = SDL_CurrentDisplay.current_renderer;
slouken@1895
  1846
    if (!renderer || !renderer->RenderFill) {
slouken@1895
  1847
        return -1;
slouken@1895
  1848
    }
slouken@1895
  1849
slouken@1895
  1850
    window = SDL_GetWindowFromID(renderer->window);
slouken@1895
  1851
    real_rect.x = 0;
slouken@1895
  1852
    real_rect.y = 0;
slouken@1895
  1853
    real_rect.w = window->w;
slouken@1895
  1854
    real_rect.h = window->h;
slouken@1895
  1855
    if (rect) {
slouken@1895
  1856
        if (!SDL_IntersectRect(rect, &real_rect, &real_rect)) {
slouken@1895
  1857
            return 0;
slouken@1895
  1858
        }
slouken@1895
  1859
    }
slouken@1895
  1860
slouken@1897
  1861
    return renderer->RenderFill(renderer, &real_rect, color);
slouken@1895
  1862
}
slouken@1895
  1863
slouken@1895
  1864
int
slouken@1895
  1865
SDL_RenderCopy(SDL_TextureID textureID, const SDL_Rect * srcrect,
slouken@1895
  1866
               const SDL_Rect * dstrect, int blendMode, int scaleMode)
slouken@1895
  1867
{
slouken@1895
  1868
    SDL_Texture *texture = SDL_GetTextureFromID(textureID);
slouken@1895
  1869
    SDL_Renderer *renderer;
slouken@1895
  1870
    SDL_Window *window;
slouken@1895
  1871
    SDL_Rect real_srcrect;
slouken@1895
  1872
    SDL_Rect real_dstrect;
slouken@1895
  1873
slouken@1895
  1874
    if (!texture || texture->renderer != SDL_CurrentDisplay.current_renderer) {
slouken@1895
  1875
        return -1;
slouken@1895
  1876
    }
slouken@1895
  1877
slouken@1895
  1878
    renderer = SDL_CurrentDisplay.current_renderer;
slouken@1895
  1879
    if (!renderer || !renderer->RenderCopy) {
slouken@1895
  1880
        return -1;
slouken@1895
  1881
    }
slouken@1895
  1882
slouken@1895
  1883
    window = SDL_GetWindowFromID(renderer->window);
slouken@1897
  1884
    if (srcrect) {
slouken@1897
  1885
        real_srcrect = *srcrect;
slouken@1897
  1886
    } else {
slouken@1897
  1887
        real_srcrect.x = 0;
slouken@1897
  1888
        real_srcrect.y = 0;
slouken@1897
  1889
        real_srcrect.w = texture->w;
slouken@1897
  1890
        real_srcrect.h = texture->h;
slouken@1895
  1891
    }
slouken@1897
  1892
    if (dstrect) {
slouken@1897
  1893
        real_dstrect = *dstrect;
slouken@1897
  1894
    } else {
slouken@1897
  1895
        real_dstrect.x = 0;
slouken@1897
  1896
        real_dstrect.y = 0;
slouken@1897
  1897
        real_dstrect.w = window->w;
slouken@1897
  1898
        real_dstrect.h = window->h;
slouken@1895
  1899
    }
slouken@1895
  1900
slouken@1897
  1901
    return renderer->RenderCopy(renderer, texture, &real_srcrect,
slouken@1897
  1902
                                &real_dstrect, blendMode, scaleMode);
slouken@1895
  1903
}
slouken@1895
  1904
slouken@1895
  1905
void
slouken@1895
  1906
SDL_RenderPresent(void)
slouken@1895
  1907
{
slouken@1895
  1908
    SDL_Renderer *renderer;
slouken@1895
  1909
slouken@1895
  1910
    if (!_this) {
slouken@1912
  1911
        SDL_UninitializedVideo();
slouken@1895
  1912
        return;
slouken@1895
  1913
    }
slouken@1895
  1914
slouken@1895
  1915
    renderer = SDL_CurrentDisplay.current_renderer;
slouken@1895
  1916
    if (!renderer || !renderer->RenderPresent) {
slouken@1895
  1917
        return;
slouken@1895
  1918
    }
slouken@1895
  1919
    renderer->RenderPresent(renderer);
slouken@1895
  1920
}
slouken@1895
  1921
slouken@1895
  1922
void
slouken@1895
  1923
SDL_DestroyTexture(SDL_TextureID textureID)
slouken@1895
  1924
{
slouken@1895
  1925
    int hash;
slouken@1895
  1926
    SDL_Texture *prev, *texture;
slouken@1895
  1927
    SDL_Renderer *renderer;
slouken@1895
  1928
slouken@1895
  1929
    if (!_this) {
slouken@1912
  1930
        SDL_UninitializedVideo();
slouken@1895
  1931
        return;
slouken@1895
  1932
    }
slouken@1895
  1933
slouken@1895
  1934
    /* Look up the texture in the hash table */
slouken@1895
  1935
    hash = (textureID % SDL_arraysize(SDL_CurrentDisplay.textures));
slouken@1895
  1936
    prev = NULL;
slouken@1895
  1937
    for (texture = SDL_CurrentDisplay.textures[hash]; texture;
slouken@1895
  1938
         prev = texture, texture = texture->next) {
slouken@1895
  1939
        if (texture->id == textureID) {
slouken@1895
  1940
            break;
slouken@1895
  1941
        }
slouken@1895
  1942
    }
slouken@1895
  1943
    if (!texture) {
slouken@1895
  1944
        return;
slouken@1895
  1945
    }
slouken@1895
  1946
slouken@1895
  1947
    /* Unlink the texture from the list */
slouken@1895
  1948
    if (prev) {
slouken@1895
  1949
        prev->next = texture->next;
slouken@1895
  1950
    } else {
slouken@1895
  1951
        SDL_CurrentDisplay.textures[hash] = texture->next;
slouken@1895
  1952
    }
slouken@1895
  1953
slouken@1895
  1954
    /* Free the texture */
slouken@1895
  1955
    renderer = texture->renderer;
slouken@1895
  1956
    renderer->DestroyTexture(renderer, texture);
slouken@1895
  1957
    SDL_free(texture);
slouken@1895
  1958
}
slouken@1895
  1959
slouken@1895
  1960
void
slouken@1895
  1961
SDL_DestroyRenderer(SDL_WindowID windowID)
slouken@1895
  1962
{
slouken@1895
  1963
    SDL_Window *window = SDL_GetWindowFromID(windowID);
slouken@1895
  1964
    SDL_Renderer *renderer;
slouken@1895
  1965
    int i;
slouken@1895
  1966
slouken@1895
  1967
    if (!window) {
slouken@1895
  1968
        return;
slouken@1895
  1969
    }
slouken@1895
  1970
slouken@1895
  1971
    renderer = window->renderer;
slouken@1895
  1972
    if (!renderer) {
slouken@1895
  1973
        return;
slouken@1895
  1974
    }
slouken@1895
  1975
slouken@1895
  1976
    /* Free existing textures for this renderer */
slouken@1895
  1977
    for (i = 0; i < SDL_arraysize(SDL_CurrentDisplay.textures); ++i) {
slouken@1895
  1978
        SDL_Texture *texture;
slouken@1895
  1979
        SDL_Texture *prev = NULL;
slouken@1895
  1980
        SDL_Texture *next;
slouken@1895
  1981
        for (texture = SDL_CurrentDisplay.textures[i]; texture;
slouken@1895
  1982
             texture = next) {
slouken@1895
  1983
            next = texture->next;
slouken@1895
  1984
            if (texture->renderer == renderer) {
slouken@1895
  1985
                if (prev) {
slouken@1895
  1986
                    prev->next = next;
slouken@1895
  1987
                } else {
slouken@1895
  1988
                    SDL_CurrentDisplay.textures[i] = next;
slouken@1895
  1989
                }
slouken@1895
  1990
                renderer->DestroyTexture(renderer, texture);
slouken@1895
  1991
                SDL_free(texture);
slouken@1895
  1992
            } else {
slouken@1895
  1993
                prev = texture;
slouken@1895
  1994
            }
slouken@1895
  1995
        }
slouken@1895
  1996
    }
slouken@1895
  1997
slouken@1895
  1998
    /* Free the renderer instance */
slouken@1895
  1999
    renderer->DestroyRenderer(renderer);
slouken@1895
  2000
slouken@1895
  2001
    /* Clear references */
slouken@1895
  2002
    window->renderer = NULL;
slouken@1895
  2003
    if (SDL_CurrentDisplay.current_renderer == renderer) {
slouken@1895
  2004
        SDL_CurrentDisplay.current_renderer = NULL;
slouken@1895
  2005
    }
slouken@1895
  2006
}
slouken@1895
  2007
slouken@1895
  2008
void
slouken@1895
  2009
SDL_VideoQuit(void)
slouken@1895
  2010
{
slouken@1895
  2011
    int i, j;
slouken@1895
  2012
slouken@1895
  2013
    if (!_this) {
slouken@1895
  2014
        return;
slouken@1895
  2015
    }
slouken@1895
  2016
slouken@1895
  2017
    /* Halt event processing before doing anything else */
slouken@1895
  2018
    SDL_StopEventLoop();
slouken@1895
  2019
slouken@1895
  2020
    /* Clean up the system video */
slouken@1895
  2021
    for (i = _this->num_displays; i--;) {
slouken@1895
  2022
        SDL_VideoDisplay *display = &_this->displays[i];
slouken@1895
  2023
        for (j = display->num_windows; j--;) {
slouken@1895
  2024
            SDL_DestroyWindow(display->windows[i].id);
slouken@1895
  2025
        }
slouken@1895
  2026
        if (display->windows) {
slouken@1895
  2027
            SDL_free(display->windows);
slouken@1895
  2028
            display->windows = NULL;
slouken@1895
  2029
        }
slouken@1895
  2030
        display->num_windows = 0;
slouken@1895
  2031
    }
slouken@1895
  2032
    _this->VideoQuit(_this);
slouken@1895
  2033
slouken@1895
  2034
    for (i = _this->num_displays; i--;) {
slouken@1895
  2035
        SDL_VideoDisplay *display = &_this->displays[i];
slouken@1895
  2036
        for (j = display->num_display_modes; j--;) {
slouken@1895
  2037
            if (display->display_modes[j].driverdata) {
slouken@1895
  2038
                SDL_free(display->display_modes[j].driverdata);
slouken@1895
  2039
                display->display_modes[j].driverdata = NULL;
slouken@1895
  2040
            }
slouken@1895
  2041
        }
slouken@1895
  2042
        if (display->display_modes) {
slouken@1895
  2043
            SDL_free(display->display_modes);
slouken@1895
  2044
            display->display_modes = NULL;
slouken@1895
  2045
        }
slouken@1895
  2046
        if (display->desktop_mode.driverdata) {
slouken@1895
  2047
            SDL_free(display->desktop_mode.driverdata);
slouken@1895
  2048
            display->desktop_mode.driverdata = NULL;
slouken@1895
  2049
        }
slouken@1895
  2050
        if (display->palette) {
slouken@1895
  2051
            SDL_FreePalette(display->palette);
slouken@1895
  2052
            display->palette = NULL;
slouken@1895
  2053
        }
slouken@1895
  2054
        if (display->gamma) {
slouken@1895
  2055
            SDL_free(display->gamma);
slouken@1895
  2056
        }
slouken@1895
  2057
        if (display->driverdata) {
slouken@1895
  2058
            SDL_free(display->driverdata);
slouken@1895
  2059
        }
slouken@1895
  2060
    }
slouken@1895
  2061
    if (_this->displays) {
slouken@1895
  2062
        SDL_free(_this->displays);
slouken@1895
  2063
        _this->displays = NULL;
slouken@1895
  2064
    }
slouken@1895
  2065
    _this->free(_this);
slouken@1895
  2066
    _this = NULL;
slouken@0
  2067
}
slouken@0
  2068
slouken@1895
  2069
int
slouken@1895
  2070
SDL_GL_LoadLibrary(const char *path)
slouken@0
  2071
{
slouken@1895
  2072
    int retval;
slouken@0
  2073
slouken@1912
  2074
    if (!_this) {
slouken@1912
  2075
        SDL_UninitializedVideo();
slouken@1912
  2076
        return -1;
slouken@1912
  2077
    }
slouken@1912
  2078
slouken@1912
  2079
    if (_this->GL_LoadLibrary) {
slouken@1912
  2080
        retval = _this->GL_LoadLibrary(_this, path);
slouken@1895
  2081
    } else {
slouken@1912
  2082
        SDL_SetError("No dynamic GL support in video driver");
slouken@1912
  2083
        retval = -1;
slouken@1895
  2084
    }
slouken@1895
  2085
    return (retval);
slouken@0
  2086
}
slouken@0
  2087
slouken@1895
  2088
void *
slouken@1895
  2089
SDL_GL_GetProcAddress(const char *proc)
slouken@0
  2090
{
slouken@1895
  2091
    void *func;
slouken@0
  2092
slouken@1912
  2093
    if (!_this) {
slouken@1912
  2094
        SDL_UninitializedVideo();
slouken@1912
  2095
        return NULL;
slouken@1912
  2096
    }
slouken@1912
  2097
slouken@1895
  2098
    func = NULL;
slouken@1895
  2099
    if (_this->GL_GetProcAddress) {
slouken@1895
  2100
        if (_this->gl_config.driver_loaded) {
slouken@1895
  2101
            func = _this->GL_GetProcAddress(_this, proc);
slouken@1895
  2102
        } else {
slouken@1895
  2103
            SDL_SetError("No GL driver has been loaded");
slouken@1895
  2104
        }
slouken@1895
  2105
    } else {
slouken@1895
  2106
        SDL_SetError("No dynamic GL support in video driver");
slouken@1895
  2107
    }
slouken@1895
  2108
    return func;
slouken@0
  2109
}
slouken@0
  2110
slouken@1926
  2111
SDL_bool
slouken@1926
  2112
SDL_GL_ExtensionSupported(const char *extension)
slouken@1926
  2113
{
slouken@1926
  2114
#if SDL_VIDEO_OPENGL
slouken@1926
  2115
    const GLubyte *(APIENTRY * glGetStringFunc) (GLenum);
slouken@1926
  2116
    const char *extensions;
slouken@1926
  2117
    const char *start;
slouken@1926
  2118
    const char *where, *terminator;
slouken@1926
  2119
slouken@1926
  2120
    /* Extension names should not have spaces. */
slouken@1926
  2121
    where = SDL_strchr(extension, ' ');
slouken@1926
  2122
    if (where || *extension == '\0') {
slouken@1926
  2123
        return SDL_FALSE;
slouken@1926
  2124
    }
slouken@1926
  2125
slouken@1926
  2126
    /* See if there's an environment variable override */
slouken@1926
  2127
    start = SDL_getenv(extension);
slouken@1926
  2128
    if (start && *start == '0') {
slouken@1926
  2129
        return SDL_FALSE;
slouken@1926
  2130
    }
slouken@1926
  2131
slouken@1926
  2132
    /* Lookup the available extensions */
slouken@1926
  2133
    glGetStringFunc = SDL_GL_GetProcAddress("glGetString");
slouken@1926
  2134
    if (glGetStringFunc) {
slouken@1926
  2135
        extensions = (const char *) glGetStringFunc(GL_EXTENSIONS);
slouken@1926
  2136
    } else {
slouken@1926
  2137
        extensions = NULL;
slouken@1926
  2138
    }
slouken@1926
  2139
    if (!extensions) {
slouken@1926
  2140
        return SDL_FALSE;
slouken@1926
  2141
    }
slouken@1926
  2142
slouken@1926
  2143
    /* It takes a bit of care to be fool-proof about parsing the
slouken@1926
  2144
     * OpenGL extensions string. Don't be fooled by sub-strings,
slouken@1926
  2145
     * etc. */
slouken@1926
  2146
slouken@1926
  2147
    start = extensions;
slouken@1926
  2148
slouken@1926
  2149
    for (;;) {
slouken@1926
  2150
        where = SDL_strstr(start, extension);
slouken@1926
  2151
        if (!where)
slouken@1926
  2152
            break;
slouken@1926
  2153
slouken@1926
  2154
        terminator = where + SDL_strlen(extension);
slouken@1926
  2155
        if (where == start || *(where - 1) == ' ')
slouken@1926
  2156
            if (*terminator == ' ' || *terminator == '\0')
slouken@1926
  2157
                return SDL_TRUE;
slouken@1926
  2158
slouken@1926
  2159
        start = terminator;
slouken@1926
  2160
    }
slouken@1926
  2161
    return SDL_FALSE;
slouken@1926
  2162
#else
slouken@1926
  2163
    return SDL_FALSE;
slouken@1926
  2164
#endif
slouken@1926
  2165
}
slouken@1926
  2166
slouken@1895
  2167
int
slouken@1895
  2168
SDL_GL_SetAttribute(SDL_GLattr attr, int value)
slouken@0
  2169
{
slouken@1936
  2170
#if SDL_VIDEO_OPENGL
slouken@1895
  2171
    int retval;
slouken@0
  2172
slouken@1912
  2173
    if (!_this) {
slouken@1912
  2174
        SDL_UninitializedVideo();
slouken@1912
  2175
        return -1;
slouken@1912
  2176
    }
slouken@1912
  2177
slouken@1895
  2178
    retval = 0;
slouken@1895
  2179
    switch (attr) {
slouken@1895
  2180
    case SDL_GL_RED_SIZE:
slouken@1895
  2181
        _this->gl_config.red_size = value;
slouken@1895
  2182
        break;
slouken@1895
  2183
    case SDL_GL_GREEN_SIZE:
slouken@1895
  2184
        _this->gl_config.green_size = value;
slouken@1895
  2185
        break;
slouken@1895
  2186
    case SDL_GL_BLUE_SIZE:
slouken@1895
  2187
        _this->gl_config.blue_size = value;
slouken@1895
  2188
        break;
slouken@1895
  2189
    case SDL_GL_ALPHA_SIZE:
slouken@1895
  2190
        _this->gl_config.alpha_size = value;
slouken@1895
  2191
        break;
slouken@1895
  2192
    case SDL_GL_DOUBLEBUFFER:
slouken@1895
  2193
        _this->gl_config.double_buffer = value;
slouken@1895
  2194
        break;
slouken@1895
  2195
    case SDL_GL_BUFFER_SIZE:
slouken@1895
  2196
        _this->gl_config.buffer_size = value;
slouken@1895
  2197
        break;
slouken@1895
  2198
    case SDL_GL_DEPTH_SIZE:
slouken@1895
  2199
        _this->gl_config.depth_size = value;
slouken@1895
  2200
        break;
slouken@1895
  2201
    case SDL_GL_STENCIL_SIZE:
slouken@1895
  2202
        _this->gl_config.stencil_size = value;
slouken@1895
  2203
        break;
slouken@1895
  2204
    case SDL_GL_ACCUM_RED_SIZE:
slouken@1895
  2205
        _this->gl_config.accum_red_size = value;
slouken@1895
  2206
        break;
slouken@1895
  2207
    case SDL_GL_ACCUM_GREEN_SIZE:
slouken@1895
  2208
        _this->gl_config.accum_green_size = value;
slouken@1895
  2209
        break;
slouken@1895
  2210
    case SDL_GL_ACCUM_BLUE_SIZE:
slouken@1895
  2211
        _this->gl_config.accum_blue_size = value;
slouken@1895
  2212
        break;
slouken@1895
  2213
    case SDL_GL_ACCUM_ALPHA_SIZE:
slouken@1895
  2214
        _this->gl_config.accum_alpha_size = value;
slouken@1895
  2215
        break;
slouken@1895
  2216
    case SDL_GL_STEREO:
slouken@1895
  2217
        _this->gl_config.stereo = value;
slouken@1895
  2218
        break;
slouken@1895
  2219
    case SDL_GL_MULTISAMPLEBUFFERS:
slouken@1895
  2220
        _this->gl_config.multisamplebuffers = value;
slouken@1895
  2221
        break;
slouken@1895
  2222
    case SDL_GL_MULTISAMPLESAMPLES:
slouken@1895
  2223
        _this->gl_config.multisamplesamples = value;
slouken@1895
  2224
        break;
slouken@1895
  2225
    case SDL_GL_ACCELERATED_VISUAL:
slouken@1895
  2226
        _this->gl_config.accelerated = value;
slouken@1895
  2227
        break;
slouken@1895
  2228
    default:
slouken@1895
  2229
        SDL_SetError("Unknown OpenGL attribute");
slouken@1895
  2230
        retval = -1;
slouken@1895
  2231
        break;
slouken@1895
  2232
    }
slouken@1912
  2233
    return retval;
slouken@1936
  2234
#else
slouken@1936
  2235
    SDL_Unsupported();
slouken@1936
  2236
    return -1;
slouken@1936
  2237
#endif /* SDL_VIDEO_OPENGL */
slouken@0
  2238
}
slouken@0
  2239
slouken@1895
  2240
int
slouken@1936
  2241
SDL_GL_GetAttribute(SDL_GLattr attr, int *value)
slouken@0
  2242
{
slouken@1936
  2243
#if SDL_VIDEO_OPENGL
slouken@1936
  2244
    void (APIENTRY * glGetIntegervFunc) (GLenum pname, GLint * params);
slouken@1936
  2245
    GLenum attrib = 0;
slouken@1912
  2246
slouken@1936
  2247
    glGetIntegervFunc = SDL_GL_GetProcAddress("glGetIntegerv");
slouken@1936
  2248
    if (!glGetIntegervFunc) {
slouken@1936
  2249
        return -1;
slouken@1936
  2250
    }
slouken@1936
  2251
    switch (attr) {
slouken@1936
  2252
    case SDL_GL_RED_SIZE:
slouken@1936
  2253
        attrib = GL_RED_BITS;
slouken@1936
  2254
        break;
slouken@1936
  2255
    case SDL_GL_BLUE_SIZE:
slouken@1936
  2256
        attrib = GL_BLUE_BITS;
slouken@1936
  2257
        break;
slouken@1936
  2258
    case SDL_GL_GREEN_SIZE:
slouken@1936
  2259
        attrib = GL_GREEN_BITS;
slouken@1936
  2260
        break;
slouken@1936
  2261
    case SDL_GL_ALPHA_SIZE:
slouken@1936
  2262
        attrib = GL_ALPHA_BITS;
slouken@1936
  2263
        break;
slouken@1936
  2264
    case SDL_GL_DOUBLEBUFFER:
slouken@1936
  2265
        attrib = GL_DOUBLEBUFFER;
slouken@1936
  2266
        break;
slouken@1936
  2267
    case SDL_GL_DEPTH_SIZE:
slouken@1936
  2268
        attrib = GL_DEPTH_BITS;
slouken@1936
  2269
        break;
slouken@1936
  2270
    case SDL_GL_STENCIL_SIZE:
slouken@1936
  2271
        attrib = GL_STENCIL_BITS;
slouken@1936
  2272
        break;
slouken@1936
  2273
    case SDL_GL_ACCUM_RED_SIZE:
slouken@1936
  2274
        attrib = GL_ACCUM_RED_BITS;
slouken@1936
  2275
        break;
slouken@1936
  2276
    case SDL_GL_ACCUM_GREEN_SIZE:
slouken@1936
  2277
        attrib = GL_ACCUM_GREEN_BITS;
slouken@1936
  2278
        break;
slouken@1936
  2279
    case SDL_GL_ACCUM_BLUE_SIZE:
slouken@1936
  2280
        attrib = GL_ACCUM_BLUE_BITS;
slouken@1936
  2281
        break;
slouken@1936
  2282
    case SDL_GL_ACCUM_ALPHA_SIZE:
slouken@1936
  2283
        attrib = GL_ACCUM_ALPHA_BITS;
slouken@1936
  2284
        break;
slouken@1936
  2285
    case SDL_GL_STEREO:
slouken@1936
  2286
        attrib = GL_STEREO;
slouken@1936
  2287
        break;
slouken@1936
  2288
    case SDL_GL_MULTISAMPLEBUFFERS:
slouken@1936
  2289
        attrib = GL_SAMPLE_BUFFERS_ARB;
slouken@1936
  2290
        break;
slouken@1936
  2291
    case SDL_GL_MULTISAMPLESAMPLES:
slouken@1936
  2292
        attrib = GL_SAMPLES_ARB;
slouken@1936
  2293
        break;
slouken@1936
  2294
    case SDL_GL_BUFFER_SIZE:
slouken@1936
  2295
        {
slouken@1936
  2296
            GLint bits = 0;
slouken@1936
  2297
            GLint component;
slouken@1936
  2298
slouken@1936
  2299
            /* there doesn't seem to be a single flag in OpenGL for this! */
slouken@1938
  2300
            glGetIntegervFunc(GL_RED_BITS, &component);
slouken@1936
  2301
            bits += component;
slouken@1938
  2302
            glGetIntegervFunc(GL_GREEN_BITS, &component);
slouken@1936
  2303
            bits += component;
slouken@1938
  2304
            glGetIntegervFunc(GL_BLUE_BITS, &component);
slouken@1936
  2305
            bits += component;
slouken@1938
  2306
            glGetIntegervFunc(GL_ALPHA_BITS, &component);
slouken@1936
  2307
            bits += component;
slouken@1936
  2308
slouken@1936
  2309
            *value = bits;
slouken@1936
  2310
            return 0;
slouken@1936
  2311
        }
slouken@1936
  2312
    case SDL_GL_ACCELERATED_VISUAL:
slouken@1936
  2313
        {
slouken@1936
  2314
            /* FIXME: How do we get this information? */
slouken@1936
  2315
            *value = (_this->gl_config.accelerated != 0);
slouken@1936
  2316
            return 0;
slouken@1936
  2317
        }
slouken@1936
  2318
    default:
slouken@1936
  2319
        SDL_SetError("Unknown OpenGL attribute");
slouken@1912
  2320
        return -1;
slouken@1912
  2321
    }
slouken@0
  2322
slouken@1938
  2323
    glGetIntegervFunc(attrib, (GLint *) value);
slouken@1936
  2324
    return 0;
slouken@1936
  2325
#else
slouken@1936
  2326
    SDL_Unsupported();
slouken@1936
  2327
    return -1;
slouken@1936
  2328
#endif /* SDL_VIDEO_OPENGL */
slouken@0
  2329
}
slouken@0
  2330
slouken@1912
  2331
SDL_GLContext
slouken@1912
  2332
SDL_GL_CreateContext(SDL_WindowID windowID)
slouken@1912
  2333
{
slouken@1912
  2334
    SDL_Window *window = SDL_GetWindowFromID(windowID);
slouken@1912
  2335
slouken@1912
  2336
    if (!window) {
slouken@1912
  2337
        return NULL;
slouken@1912
  2338
    }
slouken@1912
  2339
    if (!(window->flags & SDL_WINDOW_OPENGL)) {
slouken@1912
  2340
        SDL_SetError("The specified window isn't an OpenGL window");
slouken@1912
  2341
        return NULL;
slouken@1912
  2342
    }
slouken@1912
  2343
    return _this->GL_CreateContext(_this, window);
slouken@1912
  2344
}
slouken@1912
  2345
slouken@1912
  2346
int
slouken@1912
  2347
SDL_GL_MakeCurrent(SDL_WindowID windowID, SDL_GLContext context)
slouken@1912
  2348
{
slouken@1912
  2349
    SDL_Window *window = SDL_GetWindowFromID(windowID);
slouken@1912
  2350
slouken@1913
  2351
    if (window && !(window->flags & SDL_WINDOW_OPENGL)) {
slouken@1912
  2352
        SDL_SetError("The specified window isn't an OpenGL window");
slouken@1912
  2353
        return -1;
slouken@1912
  2354
    }
slouken@1936
  2355
    if (!context) {
slouken@1936
  2356
        window = NULL;
slouken@1936
  2357
    }
slouken@1912
  2358
    return _this->GL_MakeCurrent(_this, window, context);
slouken@1912
  2359
}
slouken@1912
  2360
slouken@1912
  2361
int
slouken@1912
  2362
SDL_GL_SetSwapInterval(int interval)
slouken@1912
  2363
{
slouken@1912
  2364
    if (!_this) {
slouken@1912
  2365
        SDL_UninitializedVideo();
slouken@1912
  2366
        return -1;
slouken@1912
  2367
    }
slouken@1912
  2368
slouken@1912
  2369
    if (_this->GL_SetSwapInterval) {
slouken@1912
  2370
        return _this->GL_SetSwapInterval(_this, interval);
slouken@1912
  2371
    } else {
slouken@1912
  2372
        SDL_SetError("Setting the swap interval is not supported");
slouken@1912
  2373
        return -1;
slouken@1912
  2374
    }
slouken@1912
  2375
}
slouken@1912
  2376
slouken@1912
  2377
int
slouken@1912
  2378
SDL_GL_GetSwapInterval(void)
slouken@1912
  2379
{
slouken@1912
  2380
    if (!_this) {
slouken@1912
  2381
        SDL_UninitializedVideo();
slouken@1912
  2382
        return -1;
slouken@1912
  2383
    }
slouken@1912
  2384
slouken@1912
  2385
    if (_this->GL_GetSwapInterval) {
slouken@1912
  2386
        return _this->GL_GetSwapInterval(_this);
slouken@1912
  2387
    } else {
slouken@1912
  2388
        SDL_SetError("Getting the swap interval is not supported");
slouken@1912
  2389
        return -1;
slouken@1912
  2390
    }
slouken@1912
  2391
}
slouken@1912
  2392
slouken@1895
  2393
void
slouken@1912
  2394
SDL_GL_SwapWindow(SDL_WindowID windowID)
slouken@0
  2395
{
slouken@1912
  2396
    SDL_Window *window = SDL_GetWindowFromID(windowID);
slouken@1912
  2397
slouken@1912
  2398
    if (!window) {
slouken@1912
  2399
        return;
slouken@1912
  2400
    }
slouken@1912
  2401
    if (!(window->flags & SDL_WINDOW_OPENGL)) {
slouken@1912
  2402
        SDL_SetError("The specified window isn't an OpenGL window");
slouken@1912
  2403
        return;
slouken@1912
  2404
    }
slouken@1930
  2405
    _this->GL_SwapWindow(_this, window);
slouken@1912
  2406
}
slouken@1912
  2407
slouken@1912
  2408
void
slouken@1912
  2409
SDL_GL_DeleteContext(SDL_GLContext context)
slouken@1912
  2410
{
slouken@1912
  2411
    if (!_this || !context) {
slouken@1912
  2412
        return;
slouken@1912
  2413
    }
slouken@1936
  2414
    _this->GL_MakeCurrent(_this, NULL, NULL);
slouken@1912
  2415
    _this->GL_DeleteContext(_this, context);
slouken@0
  2416
}
slouken@0
  2417
slouken@1895
  2418
#if 0                           // FIXME
slouken@541
  2419
/* Utility function used by SDL_WM_SetIcon();
slouken@541
  2420
 * flags & 1 for color key, flags & 2 for alpha channel. */
slouken@1895
  2421
static void
slouken@1895
  2422
CreateMaskFromColorKeyOrAlpha(SDL_Surface * icon, Uint8 * mask, int flags)
slouken@0
  2423
{
slouken@1895
  2424
    int x, y;
slouken@1895
  2425
    Uint32 colorkey;
slouken@0
  2426
#define SET_MASKBIT(icon, x, y, mask) \
slouken@0
  2427
	mask[(y*((icon->w+7)/8))+(x/8)] &= ~(0x01<<(7-(x%8)))
slouken@0
  2428
slouken@1895
  2429
    colorkey = icon->format->colorkey;
slouken@1895
  2430
    switch (icon->format->BytesPerPixel) {
slouken@1895
  2431
    case 1:
slouken@1895
  2432
        {
slouken@1895
  2433
            Uint8 *pixels;
slouken@1895
  2434
            for (y = 0; y < icon->h; ++y) {
slouken@1895
  2435
                pixels = (Uint8 *) icon->pixels + y * icon->pitch;
slouken@1895
  2436
                for (x = 0; x < icon->w; ++x) {
slouken@1895
  2437
                    if (*pixels++ == colorkey) {
slouken@1895
  2438
                        SET_MASKBIT(icon, x, y, mask);
slouken@1895
  2439
                    }
slouken@1895
  2440
                }
slouken@1895
  2441
            }
slouken@1895
  2442
        }
slouken@1895
  2443
        break;
slouken@0
  2444
slouken@1895
  2445
    case 2:
slouken@1895
  2446
        {
slouken@1895
  2447
            Uint16 *pixels;
slouken@1895
  2448
            for (y = 0; y < icon->h; ++y) {
slouken@1895
  2449
                pixels = (Uint16 *) icon->pixels + y * icon->pitch / 2;
slouken@1895
  2450
                for (x = 0; x < icon->w; ++x) {
slouken@1895
  2451
                    if ((flags & 1) && *pixels == colorkey) {
slouken@1895
  2452
                        SET_MASKBIT(icon, x, y, mask);
slouken@1895
  2453
                    } else if ((flags & 2)
slouken@1895
  2454
                               && (*pixels & icon->format->Amask) == 0) {
slouken@1895
  2455
                        SET_MASKBIT(icon, x, y, mask);
slouken@1895
  2456
                    }
slouken@1895
  2457
                    pixels++;
slouken@1895
  2458
                }
slouken@1895
  2459
            }
slouken@1895
  2460
        }
slouken@1895
  2461
        break;
slouken@0
  2462
slouken@1895
  2463
    case 4:
slouken@1895
  2464
        {
slouken@1895
  2465
            Uint32 *pixels;
slouken@1895
  2466
            for (y = 0; y < icon->h; ++y) {
slouken@1895
  2467
                pixels = (Uint32 *) icon->pixels + y * icon->pitch / 4;
slouken@1895
  2468
                for (x = 0; x < icon->w; ++x) {
slouken@1895
  2469
                    if ((flags & 1) && *pixels == colorkey) {
slouken@1895
  2470
                        SET_MASKBIT(icon, x, y, mask);
slouken@1895
  2471
                    } else if ((flags & 2)
slouken@1895
  2472
                               && (*pixels & icon->format->Amask) == 0) {
slouken@1895
  2473
                        SET_MASKBIT(icon, x, y, mask);
slouken@1895
  2474
                    }
slouken@1895
  2475
                    pixels++;
slouken@1895
  2476
                }
slouken@1895
  2477
            }
slouken@1895
  2478
        }
slouken@1895
  2479
        break;
slouken@1895
  2480
    }
slouken@0
  2481
}
slouken@0
  2482
slouken@0
  2483
/*
slouken@0
  2484
 * Sets the window manager icon for the display window.
slouken@0
  2485
 */
slouken@1895
  2486
void
slouken@1895
  2487
SDL_WM_SetIcon(SDL_Surface * icon, Uint8 * mask)
slouken@0
  2488
{
slouken@1895
  2489
    if (icon && _this->SetIcon) {
slouken@1895
  2490
        /* Generate a mask if necessary, and create the icon! */
slouken@1895
  2491
        if (mask == NULL) {
slouken@1895
  2492
            int mask_len = icon->h * (icon->w + 7) / 8;
slouken@1895
  2493
            int flags = 0;
slouken@1895
  2494
            mask = (Uint8 *) SDL_malloc(mask_len);
slouken@1895
  2495
            if (mask == NULL) {
slouken@1895
  2496
                return;
slouken@1895
  2497
            }
slouken@1895
  2498
            SDL_memset(mask, ~0, mask_len);
slouken@1895
  2499
            if (icon->flags & SDL_SRCCOLORKEY)
slouken@1895
  2500
                flags |= 1;
slouken@1895
  2501
            if (icon->flags & SDL_SRCALPHA)
slouken@1895
  2502
                flags |= 2;
slouken@1895
  2503
            if (flags) {
slouken@1895
  2504
                CreateMaskFromColorKeyOrAlpha(icon, mask, flags);
slouken@1895
  2505
            }
slouken@1895
  2506
            _this->SetIcon(_this, icon, mask);
slouken@1895
  2507
            SDL_free(mask);
slouken@1895
  2508
        } else {
slouken@1895
  2509
            _this->SetIcon(_this, icon, mask);
slouken@1895
  2510
        }
slouken@1895
  2511
    }
slouken@1895
  2512
}
slouken@1895
  2513
#endif
slouken@0
  2514
slouken@1895
  2515
SDL_bool
slouken@1895
  2516
SDL_GetWindowWMInfo(SDL_WindowID windowID, struct SDL_SysWMinfo *info)
slouken@1895
  2517
{
slouken@1895
  2518
    SDL_Window *window = SDL_GetWindowFromID(windowID);
slouken@1895
  2519
slouken@1895
  2520
    if (!window || !_this->GetWindowWMInfo) {
slouken@1895
  2521
        return SDL_FALSE;
slouken@1895
  2522
    }
slouken@1895
  2523
    return (_this->GetWindowWMInfo(_this, window, info));
slouken@0
  2524
}
slouken@0
  2525
slouken@1895
  2526
/* vi: set ts=4 sw=4 expandtab: */