src/video/SDL_video.c
author Sam Lantinga <slouken@libsdl.org>
Sun, 06 Aug 2006 00:09:04 +0000
changeset 1969 5d3724f64f2b
parent 1967 01e29c3e9a29
child 1970 db3ba6c0d0df
permissions -rw-r--r--
Clarified the difference between render drivers and render contexts
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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) {
slouken@1895
   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@1967
   425
int
slouken@1967
   426
SDL_GetDisplayMode(int index, SDL_DisplayMode * mode)
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@1967
   431
        return -1;
slouken@1895
   432
    }
slouken@1967
   433
    if (mode) {
slouken@1967
   434
        *mode = SDL_CurrentDisplay.display_modes[index];
slouken@1967
   435
    }
slouken@1967
   436
    return 0;
slouken@0
   437
}
slouken@0
   438
slouken@1967
   439
int
slouken@1967
   440
SDL_GetDesktopDisplayMode(SDL_DisplayMode * mode)
slouken@0
   441
{
slouken@1967
   442
    if (!_this) {
slouken@1967
   443
        SDL_UninitializedVideo();
slouken@1967
   444
        return -1;
slouken@1895
   445
    }
slouken@1967
   446
    if (mode) {
slouken@1967
   447
        *mode = SDL_CurrentDisplay.desktop_mode;
slouken@1967
   448
    }
slouken@1967
   449
    return 0;
slouken@0
   450
}
slouken@0
   451
slouken@1967
   452
int
slouken@1967
   453
SDL_GetCurrentDisplayMode(SDL_DisplayMode * mode)
slouken@0
   454
{
slouken@1967
   455
    if (!_this) {
slouken@1967
   456
        SDL_UninitializedVideo();
slouken@1967
   457
        return -1;
slouken@1895
   458
    }
slouken@1967
   459
    if (mode) {
slouken@1967
   460
        *mode = SDL_CurrentDisplay.current_mode;
slouken@1967
   461
    }
slouken@1967
   462
    return 0;
slouken@0
   463
}
slouken@0
   464
slouken@1895
   465
SDL_DisplayMode *
slouken@1895
   466
SDL_GetClosestDisplayMode(const SDL_DisplayMode * mode,
slouken@1895
   467
                          SDL_DisplayMode * closest)
slouken@0
   468
{
slouken@1895
   469
    Uint32 target_format;
slouken@1895
   470
    int target_refresh_rate;
slouken@1895
   471
    int i;
slouken@1895
   472
    SDL_DisplayMode *current, *match;
slouken@0
   473
slouken@1895
   474
    if (!_this || !mode || !closest) {
slouken@1895
   475
        return NULL;
slouken@1895
   476
    }
slouken@0
   477
slouken@1895
   478
    /* Default to the desktop format */
slouken@1895
   479
    if (mode->format) {
slouken@1895
   480
        target_format = mode->format;
slouken@1895
   481
    } else {
slouken@1895
   482
        target_format = SDL_CurrentDisplay.desktop_mode.format;
slouken@1895
   483
    }
slouken@0
   484
slouken@1895
   485
    /* Default to the desktop refresh rate */
slouken@1895
   486
    if (mode->refresh_rate) {
slouken@1895
   487
        target_refresh_rate = mode->refresh_rate;
slouken@1895
   488
    } else {
slouken@1895
   489
        target_refresh_rate = SDL_CurrentDisplay.desktop_mode.refresh_rate;
slouken@1895
   490
    }
slouken@0
   491
slouken@1895
   492
    match = NULL;
slouken@1895
   493
    for (i = 0; i < SDL_GetNumDisplayModes(); ++i) {
slouken@1895
   494
        current = &SDL_CurrentDisplay.display_modes[i];
slouken@1895
   495
slouken@1895
   496
        if ((current->w && current->h) &&
slouken@1895
   497
            (current->w < mode->w || current->h < mode->h)) {
slouken@1895
   498
            /* Out of sorted modes large enough here */
slouken@1895
   499
            break;
slouken@1895
   500
        }
slouken@1895
   501
        if (!match || current->w < match->w || current->h < match->h) {
slouken@1895
   502
            match = current;
slouken@1895
   503
            continue;
slouken@1895
   504
        }
slouken@1895
   505
        if (current->format != match->format) {
slouken@1895
   506
            /* Sorted highest depth to lowest */
slouken@1895
   507
            if (current->format == target_format ||
slouken@1895
   508
                (SDL_BITSPERPIXEL(current->format) >=
slouken@1895
   509
                 SDL_BITSPERPIXEL(target_format)
slouken@1895
   510
                 && SDL_PIXELTYPE(current->format) ==
slouken@1895
   511
                 SDL_PIXELTYPE(target_format))) {
slouken@1895
   512
                match = current;
slouken@1895
   513
            }
slouken@1895
   514
            continue;
slouken@1895
   515
        }
slouken@1895
   516
        if (current->refresh_rate != match->refresh_rate) {
slouken@1895
   517
            /* Sorted highest refresh to lowest */
slouken@1895
   518
            if (current->refresh_rate >= target_refresh_rate) {
slouken@1895
   519
                match = current;
slouken@1895
   520
            }
slouken@1895
   521
        }
slouken@1895
   522
    }
slouken@1895
   523
    if (match) {
slouken@1895
   524
        if (match->format) {
slouken@1895
   525
            closest->format = match->format;
slouken@1895
   526
        } else {
slouken@1895
   527
            closest->format = mode->format;
slouken@1895
   528
        }
slouken@1895
   529
        if (match->w && match->h) {
slouken@1895
   530
            closest->w = match->w;
slouken@1895
   531
            closest->h = match->h;
slouken@1895
   532
        } else {
slouken@1895
   533
            closest->w = mode->w;
slouken@1895
   534
            closest->h = mode->h;
slouken@1895
   535
        }
slouken@1895
   536
        if (match->refresh_rate) {
slouken@1895
   537
            closest->refresh_rate = match->refresh_rate;
slouken@1895
   538
        } else {
slouken@1895
   539
            closest->refresh_rate = mode->refresh_rate;
slouken@1895
   540
        }
slouken@1895
   541
        closest->driverdata = match->driverdata;
slouken@1895
   542
slouken@1895
   543
        /* Pick some reasonable defaults if the app and driver don't care */
slouken@1895
   544
        if (!closest->format) {
slouken@1965
   545
            closest->format = SDL_PIXELFORMAT_RGB888;
slouken@1895
   546
        }
slouken@1895
   547
        if (!closest->w) {
slouken@1895
   548
            closest->w = 640;
slouken@1895
   549
        }
slouken@1895
   550
        if (!closest->h) {
slouken@1895
   551
            closest->h = 480;
slouken@1895
   552
        }
slouken@1895
   553
        return closest;
slouken@1895
   554
    }
slouken@1895
   555
    return NULL;
slouken@0
   556
}
slouken@0
   557
slouken@1895
   558
int
slouken@1895
   559
SDL_SetDisplayMode(const SDL_DisplayMode * mode)
slouken@0
   560
{
slouken@1895
   561
    SDL_VideoDisplay *display;
slouken@1895
   562
    SDL_DisplayMode display_mode;
slouken@1967
   563
    SDL_DisplayMode current_mode;
slouken@1895
   564
    int i, ncolors;
slouken@0
   565
slouken@1895
   566
    if (!_this) {
slouken@1912
   567
        SDL_UninitializedVideo();
slouken@1895
   568
        return -1;
slouken@1895
   569
    }
slouken@0
   570
slouken@1967
   571
    display = &SDL_CurrentDisplay;
slouken@1895
   572
    if (!mode) {
slouken@1967
   573
        mode = &display->desktop_mode;
slouken@1895
   574
    }
slouken@1895
   575
    display_mode = *mode;
slouken@1895
   576
slouken@1895
   577
    /* Default to the current mode */
slouken@1895
   578
    if (!display_mode.format) {
slouken@1895
   579
        display_mode.format = display->current_mode.format;
slouken@1895
   580
    }
slouken@1895
   581
    if (!display_mode.w) {
slouken@1895
   582
        display_mode.w = display->current_mode.w;
slouken@1895
   583
    }
slouken@1895
   584
    if (!display_mode.h) {
slouken@1895
   585
        display_mode.h = display->current_mode.h;
slouken@1895
   586
    }
slouken@1895
   587
    if (!display_mode.refresh_rate) {
slouken@1895
   588
        display_mode.refresh_rate = display->current_mode.refresh_rate;
slouken@1895
   589
    }
slouken@1895
   590
slouken@1895
   591
    /* Get a good video mode, the closest one possible */
slouken@1895
   592
    if (!SDL_GetClosestDisplayMode(&display_mode, &display_mode)) {
slouken@1895
   593
        SDL_SetError("No video mode large enough for %dx%d",
slouken@1895
   594
                     display_mode.w, display_mode.h);
slouken@1895
   595
        return -1;
slouken@1895
   596
    }
slouken@1895
   597
slouken@1895
   598
    /* See if there's anything left to do */
slouken@1967
   599
    SDL_GetCurrentDisplayMode(&current_mode);
slouken@1967
   600
    if (SDL_memcmp(&display_mode, &current_mode, sizeof(display_mode)) == 0) {
slouken@1895
   601
        return 0;
slouken@1895
   602
    }
slouken@1895
   603
slouken@1895
   604
    /* Actually change the display mode */
slouken@1895
   605
    if (_this->SetDisplayMode(_this, &display_mode) < 0) {
slouken@1895
   606
        return -1;
slouken@1895
   607
    }
slouken@1895
   608
    display->current_mode = display_mode;
slouken@1895
   609
slouken@1895
   610
    /* Set up a palette, if necessary */
slouken@1895
   611
    if (SDL_ISPIXELFORMAT_INDEXED(display_mode.format)) {
slouken@1895
   612
        ncolors = (1 << SDL_BITSPERPIXEL(display_mode.format));
slouken@1895
   613
    } else {
slouken@1895
   614
        ncolors = 0;
slouken@1895
   615
    }
slouken@1895
   616
    if ((!ncolors && display->palette) || (ncolors && !display->palette)
slouken@1895
   617
        || (ncolors && ncolors != display->palette->ncolors)) {
slouken@1895
   618
        if (display->palette) {
slouken@1895
   619
            SDL_FreePalette(display->palette);
slouken@1895
   620
            display->palette = NULL;
slouken@1895
   621
        }
slouken@1895
   622
        if (ncolors) {
slouken@1895
   623
            display->palette = SDL_AllocPalette(ncolors);
slouken@1895
   624
            if (!display->palette) {
slouken@1895
   625
                return -1;
slouken@1895
   626
            }
slouken@1895
   627
            SDL_DitherColors(display->palette->colors,
slouken@1895
   628
                             SDL_BITSPERPIXEL(display_mode.format));
slouken@1895
   629
        }
slouken@1895
   630
    }
slouken@1895
   631
slouken@1895
   632
    /* Move any fullscreen windows into position */
slouken@1895
   633
    for (i = 0; i < display->num_windows; ++i) {
slouken@1895
   634
        SDL_Window *window = &display->windows[i];
slouken@1895
   635
        if (FULLSCREEN_VISIBLE(window)) {
slouken@1956
   636
            SDL_SetWindowPosition(window->id, SDL_WINDOWPOS_CENTERED,
slouken@1956
   637
                                  SDL_WINDOWPOS_CENTERED);
slouken@1895
   638
        }
slouken@1895
   639
    }
slouken@1895
   640
slouken@1895
   641
    return 0;
slouken@0
   642
}
slouken@0
   643
slouken@1895
   644
int
slouken@1895
   645
SDL_SetFullscreenDisplayMode(const SDL_DisplayMode * mode)
slouken@0
   646
{
slouken@1895
   647
    SDL_VideoDisplay *display;
slouken@1895
   648
    int i;
slouken@0
   649
slouken@1895
   650
    if (!_this) {
slouken@1912
   651
        SDL_UninitializedVideo();
slouken@1895
   652
        return -1;
slouken@1895
   653
    }
slouken@0
   654
slouken@1895
   655
    display = &SDL_CurrentDisplay;
slouken@1895
   656
    if (mode) {
slouken@1895
   657
        SDL_GetClosestDisplayMode(mode, &display->desired_mode);
slouken@1895
   658
        display->fullscreen_mode = &display->desired_mode;
slouken@1895
   659
    } else {
slouken@1895
   660
        display->fullscreen_mode = NULL;
slouken@1895
   661
    }
slouken@1895
   662
slouken@1895
   663
    /* Actually set the mode if we have a fullscreen window visible */
slouken@1895
   664
    for (i = 0; i < display->num_windows; ++i) {
slouken@1895
   665
        SDL_Window *window = &display->windows[i];
slouken@1895
   666
        if (FULLSCREEN_VISIBLE(window)) {
slouken@1895
   667
            return SDL_SetDisplayMode(display->fullscreen_mode);
slouken@1895
   668
        }
slouken@1895
   669
    }
slouken@1895
   670
    return 0;
slouken@0
   671
}
slouken@0
   672
slouken@1967
   673
int
slouken@1967
   674
SDL_GetFullscreenDisplayMode(SDL_DisplayMode * mode)
slouken@0
   675
{
slouken@1967
   676
    if (!_this) {
slouken@1967
   677
        SDL_UninitializedVideo();
slouken@1967
   678
        return -1;
slouken@1895
   679
    }
slouken@1967
   680
    if (mode) {
slouken@1967
   681
        *mode = *SDL_CurrentDisplay.fullscreen_mode;
slouken@1967
   682
    }
slouken@1967
   683
    return 0;
slouken@0
   684
}
slouken@0
   685
slouken@1895
   686
int
slouken@1895
   687
SDL_SetDisplayPalette(const SDL_Color * colors, int firstcolor, int ncolors)
slouken@0
   688
{
slouken@1895
   689
    SDL_Palette *palette;
slouken@1895
   690
    int status = 0;
slouken@0
   691
slouken@1895
   692
    if (!_this) {
slouken@1912
   693
        SDL_UninitializedVideo();
slouken@1895
   694
        return -1;
slouken@1895
   695
    }
slouken@1895
   696
    palette = SDL_CurrentDisplay.palette;
slouken@1895
   697
    if (!palette) {
slouken@1895
   698
        SDL_SetError("Display mode does not have a palette");
slouken@1895
   699
        return -1;
slouken@1895
   700
    }
slouken@0
   701
slouken@1895
   702
    status = SDL_SetPaletteColors(palette, colors, firstcolor, ncolors);
slouken@0
   703
slouken@1895
   704
    if (_this->SetDisplayPalette) {
slouken@1895
   705
        if (_this->SetDisplayPalette(_this, palette) < 0) {
slouken@1895
   706
            status = -1;
slouken@1895
   707
        }
slouken@1895
   708
    }
slouken@1895
   709
    return status;
slouken@0
   710
}
slouken@0
   711
slouken@1895
   712
int
slouken@1895
   713
SDL_GetDisplayPalette(SDL_Color * colors, int firstcolor, int ncolors)
slouken@0
   714
{
slouken@1895
   715
    SDL_Palette *palette;
slouken@1895
   716
slouken@1895
   717
    if (!_this) {
slouken@1912
   718
        SDL_UninitializedVideo();
slouken@1895
   719
        return -1;
slouken@1895
   720
    }
slouken@1895
   721
slouken@1895
   722
    palette = SDL_CurrentDisplay.palette;
slouken@1895
   723
    if (!palette->ncolors) {
slouken@1895
   724
        SDL_SetError("Display mode does not have a palette");
slouken@1895
   725
        return -1;
slouken@1895
   726
    }
slouken@1895
   727
slouken@1895
   728
    if (firstcolor < 0 || (firstcolor + ncolors) > palette->ncolors) {
slouken@1895
   729
        SDL_SetError("Palette indices are out of range");
slouken@1895
   730
        return -1;
slouken@1895
   731
    }
slouken@1895
   732
slouken@1895
   733
    SDL_memcpy(colors, &palette->colors[firstcolor],
slouken@1895
   734
               ncolors * sizeof(*colors));
slouken@1895
   735
    return 0;
slouken@0
   736
}
slouken@0
   737
slouken@1895
   738
SDL_WindowID
slouken@1895
   739
SDL_CreateWindow(const char *title, int x, int y, int w, int h, Uint32 flags)
slouken@0
   740
{
slouken@1895
   741
    const Uint32 allowed_flags = (SDL_WINDOW_FULLSCREEN |
slouken@1895
   742
                                  SDL_WINDOW_OPENGL |
slouken@1895
   743
                                  SDL_WINDOW_BORDERLESS |
slouken@1956
   744
                                  SDL_WINDOW_RESIZABLE);
slouken@1895
   745
    SDL_VideoDisplay *display;
slouken@1895
   746
    SDL_Window window;
slouken@1895
   747
    int num_windows;
slouken@1895
   748
    SDL_Window *windows;
slouken@0
   749
slouken@1895
   750
    if (!_this) {
slouken@1912
   751
        SDL_UninitializedVideo();
slouken@1912
   752
        return 0;
slouken@1912
   753
    }
slouken@1912
   754
slouken@1912
   755
    if ((flags & SDL_WINDOW_OPENGL) && !_this->GL_CreateContext) {
slouken@1912
   756
        SDL_SetError("No OpenGL support in video driver");
slouken@1895
   757
        return 0;
slouken@1895
   758
    }
slouken@0
   759
slouken@1956
   760
    /* Fullscreen windows don't have any window decorations */
slouken@1956
   761
    if (flags & SDL_WINDOW_FULLSCREEN) {
slouken@1956
   762
        flags |= SDL_WINDOW_BORDERLESS;
slouken@1956
   763
        flags &= ~SDL_WINDOW_RESIZABLE;
slouken@1956
   764
    }
slouken@1956
   765
slouken@1895
   766
    SDL_zero(window);
slouken@1895
   767
    window.id = _this->next_object_id++;
slouken@1895
   768
    window.x = x;
slouken@1895
   769
    window.y = y;
slouken@1895
   770
    window.w = w;
slouken@1895
   771
    window.h = h;
slouken@1895
   772
    window.flags = (flags & allowed_flags);
slouken@1895
   773
    window.display = _this->current_display;
slouken@0
   774
slouken@1895
   775
    if (_this->CreateWindow && _this->CreateWindow(_this, &window) < 0) {
slouken@1895
   776
        return 0;
slouken@1895
   777
    }
slouken@0
   778
slouken@1895
   779
    display = &SDL_CurrentDisplay;
slouken@1895
   780
    num_windows = display->num_windows;
slouken@1895
   781
    windows =
slouken@1895
   782
        SDL_realloc(display->windows, (num_windows + 1) * sizeof(*windows));
slouken@1895
   783
    if (!windows) {
slouken@1895
   784
        if (_this->DestroyWindow) {
slouken@1895
   785
            _this->DestroyWindow(_this, &window);
slouken@1895
   786
        }
slouken@1895
   787
        return 0;
slouken@1895
   788
    }
slouken@1895
   789
    windows[num_windows] = window;
slouken@1895
   790
    display->windows = windows;
slouken@1895
   791
    display->num_windows++;
slouken@0
   792
slouken@1956
   793
    if (title) {
slouken@1956
   794
        SDL_SetWindowTitle(window.id, title);
slouken@1895
   795
    }
slouken@1956
   796
    if (flags & SDL_WINDOW_MAXIMIZED) {
slouken@1956
   797
        SDL_MaximizeWindow(window.id);
slouken@1956
   798
    }
slouken@1956
   799
    if (flags & SDL_WINDOW_MINIMIZED) {
slouken@1956
   800
        SDL_MinimizeWindow(window.id);
slouken@1956
   801
    }
slouken@1956
   802
    if (flags & SDL_WINDOW_SHOWN) {
slouken@1956
   803
        SDL_ShowWindow(window.id);
slouken@1956
   804
    }
slouken@1956
   805
    if (flags & SDL_WINDOW_INPUT_GRABBED) {
slouken@1956
   806
        SDL_SetWindowGrab(window.id, 1);
slouken@1956
   807
    }
slouken@1895
   808
    return window.id;
slouken@1895
   809
}
slouken@0
   810
slouken@1895
   811
SDL_WindowID
slouken@1895
   812
SDL_CreateWindowFrom(const void *data)
slouken@1895
   813
{
slouken@1895
   814
    SDL_VideoDisplay *display;
slouken@1895
   815
    SDL_Window window;
slouken@1895
   816
    int num_windows;
slouken@1895
   817
    SDL_Window *windows;
slouken@0
   818
slouken@1895
   819
    if (!_this) {
slouken@1912
   820
        SDL_UninitializedVideo();
slouken@1895
   821
        return (0);
slouken@1895
   822
    }
slouken@1895
   823
slouken@1895
   824
    SDL_zero(window);
slouken@1895
   825
    window.id = _this->next_object_id++;
slouken@1895
   826
    window.display = _this->current_display;
slouken@1895
   827
slouken@1895
   828
    if (!_this->CreateWindowFrom ||
slouken@1895
   829
        _this->CreateWindowFrom(_this, &window, data) < 0) {
slouken@1895
   830
        return 0;
slouken@1895
   831
    }
slouken@1895
   832
slouken@1895
   833
    display = &SDL_CurrentDisplay;
slouken@1895
   834
    num_windows = display->num_windows;
slouken@1895
   835
    windows =
slouken@1895
   836
        SDL_realloc(display->windows, (num_windows + 1) * sizeof(*windows));
slouken@1895
   837
    if (!windows) {
slouken@1895
   838
        if (_this->DestroyWindow) {
slouken@1895
   839
            _this->DestroyWindow(_this, &window);
slouken@1895
   840
        }
slouken@1895
   841
        if (window.title) {
slouken@1895
   842
            SDL_free(window.title);
slouken@1895
   843
        }
slouken@1895
   844
        return 0;
slouken@1895
   845
    }
slouken@1895
   846
    windows[num_windows] = window;
slouken@1895
   847
    display->windows = windows;
slouken@1895
   848
    display->num_windows++;
slouken@1895
   849
slouken@1895
   850
    return window.id;
slouken@1895
   851
}
slouken@1895
   852
slouken@1924
   853
int
slouken@1928
   854
SDL_RecreateWindow(SDL_Window * window, Uint32 flags)
slouken@1924
   855
{
slouken@1956
   856
    char *title = window->title;
slouken@1956
   857
slouken@1928
   858
    if ((flags & SDL_WINDOW_OPENGL) && !_this->GL_CreateContext) {
slouken@1924
   859
        SDL_SetError("No OpenGL support in video driver");
slouken@1924
   860
        return -1;
slouken@1924
   861
    }
slouken@1956
   862
slouken@1924
   863
    if (_this->DestroyWindow) {
slouken@1924
   864
        _this->DestroyWindow(_this, window);
slouken@1924
   865
    }
slouken@1956
   866
slouken@1956
   867
    window->title = NULL;
slouken@1956
   868
    window->flags =
slouken@1956
   869
        (flags &
slouken@1956
   870
         ~(SDL_WINDOW_MAXIMIZED | SDL_WINDOW_MINIMIZED | SDL_WINDOW_SHOWN |
slouken@1956
   871
           SDL_WINDOW_INPUT_GRABBED));
slouken@1956
   872
slouken@1956
   873
    if (_this->CreateWindow && _this->CreateWindow(_this, window) < 0) {
slouken@1956
   874
        return -1;
slouken@1956
   875
    }
slouken@1956
   876
slouken@1956
   877
    if (title) {
slouken@1956
   878
        SDL_SetWindowTitle(window->id, title);
slouken@1956
   879
        SDL_free(title);
slouken@1956
   880
    }
slouken@1956
   881
    if (flags & SDL_WINDOW_MAXIMIZED) {
slouken@1956
   882
        SDL_MaximizeWindow(window->id);
slouken@1956
   883
    }
slouken@1956
   884
    if (flags & SDL_WINDOW_MINIMIZED) {
slouken@1956
   885
        SDL_MinimizeWindow(window->id);
slouken@1956
   886
    }
slouken@1956
   887
    if (flags & SDL_WINDOW_SHOWN) {
slouken@1956
   888
        SDL_ShowWindow(window->id);
slouken@1956
   889
    }
slouken@1956
   890
    if (flags & SDL_WINDOW_INPUT_GRABBED) {
slouken@1956
   891
        SDL_SetWindowGrab(window->id, 1);
slouken@1956
   892
    }
slouken@1956
   893
    return 0;
slouken@1924
   894
}
slouken@1924
   895
slouken@1895
   896
SDL_Window *
slouken@1895
   897
SDL_GetWindowFromID(SDL_WindowID windowID)
slouken@1895
   898
{
slouken@1895
   899
    int i, j;
slouken@1895
   900
slouken@1895
   901
    if (!_this) {
slouken@1912
   902
        SDL_UninitializedVideo();
slouken@1895
   903
        return NULL;
slouken@1895
   904
    }
slouken@1895
   905
slouken@1895
   906
    for (i = 0; i < _this->num_displays; ++i) {
slouken@1895
   907
        SDL_VideoDisplay *display = &_this->displays[i];
slouken@1895
   908
        for (j = 0; j < display->num_windows; ++j) {
slouken@1895
   909
            SDL_Window *window = &display->windows[j];
slouken@1895
   910
            if (window->id == windowID) {
slouken@1895
   911
                return window;
slouken@1895
   912
            }
slouken@1895
   913
        }
slouken@1895
   914
    }
slouken@1895
   915
    return NULL;
slouken@1895
   916
}
slouken@1895
   917
slouken@1895
   918
SDL_VideoDisplay *
slouken@1895
   919
SDL_GetDisplayFromWindow(SDL_Window * window)
slouken@1895
   920
{
slouken@1895
   921
    if (!_this) {
slouken@1912
   922
        SDL_UninitializedVideo();
slouken@1895
   923
        return NULL;
slouken@1895
   924
    }
slouken@1956
   925
    if (!window) {
slouken@1956
   926
        return NULL;
slouken@1956
   927
    }
slouken@1895
   928
    return &_this->displays[window->display];
slouken@1895
   929
}
slouken@1895
   930
slouken@1895
   931
Uint32
slouken@1895
   932
SDL_GetWindowFlags(SDL_WindowID windowID)
slouken@1895
   933
{
slouken@1895
   934
    SDL_Window *window = SDL_GetWindowFromID(windowID);
slouken@1895
   935
slouken@1895
   936
    if (!window) {
slouken@1895
   937
        return 0;
slouken@1895
   938
    }
slouken@1895
   939
    return window->flags;
slouken@1895
   940
}
slouken@1895
   941
slouken@1895
   942
void
slouken@1895
   943
SDL_SetWindowTitle(SDL_WindowID windowID, const char *title)
slouken@1895
   944
{
slouken@1895
   945
    SDL_Window *window = SDL_GetWindowFromID(windowID);
slouken@1956
   946
    const char *last_title;
slouken@1895
   947
slouken@1956
   948
    if (!window || title == window->title) {
slouken@1895
   949
        return;
slouken@1895
   950
    }
slouken@1956
   951
slouken@1895
   952
    if (window->title) {
slouken@1895
   953
        SDL_free(window->title);
slouken@1895
   954
    }
slouken@1956
   955
    if (title) {
slouken@1956
   956
        window->title = SDL_strdup(title);
slouken@1956
   957
    } else {
slouken@1956
   958
        window->title = NULL;
slouken@1956
   959
    }
slouken@1895
   960
slouken@1895
   961
    if (_this->SetWindowTitle) {
slouken@1895
   962
        _this->SetWindowTitle(_this, window);
slouken@1895
   963
    }
slouken@1895
   964
}
slouken@1895
   965
slouken@1895
   966
const char *
slouken@1895
   967
SDL_GetWindowTitle(SDL_WindowID windowID)
slouken@1895
   968
{
slouken@1895
   969
    SDL_Window *window = SDL_GetWindowFromID(windowID);
slouken@1895
   970
slouken@1895
   971
    if (!window) {
slouken@1895
   972
        return NULL;
slouken@1895
   973
    }
slouken@1895
   974
    return window->title;
slouken@1895
   975
}
slouken@1895
   976
slouken@1895
   977
void
slouken@1895
   978
SDL_SetWindowData(SDL_WindowID windowID, void *userdata)
slouken@1895
   979
{
slouken@1895
   980
    SDL_Window *window = SDL_GetWindowFromID(windowID);
slouken@1895
   981
slouken@1895
   982
    if (!window) {
slouken@1895
   983
        return;
slouken@1895
   984
    }
slouken@1895
   985
    window->userdata = userdata;
slouken@1895
   986
}
slouken@1895
   987
slouken@1895
   988
void *
slouken@1895
   989
SDL_GetWindowData(SDL_WindowID windowID)
slouken@1895
   990
{
slouken@1895
   991
    SDL_Window *window = SDL_GetWindowFromID(windowID);
slouken@1895
   992
slouken@1895
   993
    if (!window) {
slouken@1895
   994
        return NULL;
slouken@1895
   995
    }
slouken@1895
   996
    return window->userdata;
slouken@1895
   997
}
slouken@1895
   998
slouken@1895
   999
void
slouken@1895
  1000
SDL_SetWindowPosition(SDL_WindowID windowID, int x, int y)
slouken@1895
  1001
{
slouken@1895
  1002
    SDL_Window *window = SDL_GetWindowFromID(windowID);
slouken@1956
  1003
    SDL_VideoDisplay *display = SDL_GetDisplayFromWindow(window);
slouken@1895
  1004
slouken@1895
  1005
    if (!window) {
slouken@1895
  1006
        return;
slouken@1895
  1007
    }
slouken@1895
  1008
slouken@1956
  1009
    if (x == SDL_WINDOWPOS_CENTERED) {
slouken@1956
  1010
        window->x = (display->current_mode.w - window->w) / 2;
slouken@1956
  1011
    } else if (x != SDL_WINDOWPOS_UNDEFINED) {
slouken@1895
  1012
        window->x = x;
slouken@1895
  1013
    }
slouken@1956
  1014
    if (y == SDL_WINDOWPOS_CENTERED) {
slouken@1956
  1015
        window->y = (display->current_mode.h - window->h) / 2;
slouken@1956
  1016
    } else if (y != SDL_WINDOWPOS_UNDEFINED) {
slouken@1895
  1017
        window->y = y;
slouken@1895
  1018
    }
slouken@1895
  1019
slouken@1895
  1020
    if (_this->SetWindowPosition) {
slouken@1895
  1021
        _this->SetWindowPosition(_this, window);
slouken@1895
  1022
    }
slouken@1895
  1023
}
slouken@1895
  1024
slouken@1895
  1025
void
slouken@1895
  1026
SDL_GetWindowPosition(SDL_WindowID windowID, int *x, int *y)
slouken@1895
  1027
{
slouken@1895
  1028
    SDL_Window *window = SDL_GetWindowFromID(windowID);
slouken@1895
  1029
slouken@1895
  1030
    if (!window) {
slouken@1895
  1031
        return;
slouken@1895
  1032
    }
slouken@1895
  1033
    if (x) {
slouken@1895
  1034
        *x = window->x;
slouken@1895
  1035
    }
slouken@1895
  1036
    if (y) {
slouken@1895
  1037
        *y = window->y;
slouken@1895
  1038
    }
slouken@1895
  1039
}
slouken@1895
  1040
slouken@1895
  1041
void
slouken@1895
  1042
SDL_SetWindowSize(SDL_WindowID windowID, int w, int h)
slouken@1895
  1043
{
slouken@1895
  1044
    SDL_Window *window = SDL_GetWindowFromID(windowID);
slouken@1895
  1045
slouken@1895
  1046
    if (!window) {
slouken@1895
  1047
        return;
slouken@1895
  1048
    }
slouken@1895
  1049
slouken@1895
  1050
    window->w = w;
slouken@1895
  1051
    window->h = h;
slouken@1895
  1052
slouken@1895
  1053
    if (_this->SetWindowSize) {
slouken@1895
  1054
        _this->SetWindowSize(_this, window);
slouken@1895
  1055
    }
slouken@1895
  1056
}
slouken@1895
  1057
slouken@1895
  1058
void
slouken@1895
  1059
SDL_GetWindowSize(SDL_WindowID windowID, int *w, int *h)
slouken@1895
  1060
{
slouken@1895
  1061
    SDL_Window *window = SDL_GetWindowFromID(windowID);
slouken@1895
  1062
slouken@1895
  1063
    if (!window) {
slouken@1895
  1064
        return;
slouken@1895
  1065
    }
slouken@1895
  1066
    if (w) {
slouken@1895
  1067
        *w = window->w;
slouken@1895
  1068
    }
slouken@1895
  1069
    if (h) {
slouken@1895
  1070
        *h = window->h;
slouken@1895
  1071
    }
slouken@1895
  1072
}
slouken@1895
  1073
slouken@1895
  1074
void
slouken@1895
  1075
SDL_ShowWindow(SDL_WindowID windowID)
slouken@1895
  1076
{
slouken@1895
  1077
    SDL_Window *window = SDL_GetWindowFromID(windowID);
slouken@1895
  1078
slouken@1895
  1079
    if (!window || (window->flags & SDL_WINDOW_SHOWN)) {
slouken@1895
  1080
        return;
slouken@1895
  1081
    }
slouken@1895
  1082
slouken@1895
  1083
    SDL_SendWindowEvent(window->id, SDL_WINDOWEVENT_SHOWN, 0, 0);
slouken@1895
  1084
slouken@1895
  1085
    if (_this->ShowWindow) {
slouken@1895
  1086
        _this->ShowWindow(_this, window);
slouken@1895
  1087
    }
slouken@1895
  1088
}
slouken@1895
  1089
slouken@1895
  1090
void
slouken@1895
  1091
SDL_HideWindow(SDL_WindowID windowID)
slouken@1895
  1092
{
slouken@1895
  1093
    SDL_Window *window = SDL_GetWindowFromID(windowID);
slouken@1895
  1094
slouken@1895
  1095
    if (!window || !(window->flags & SDL_WINDOW_SHOWN)) {
slouken@1895
  1096
        return;
slouken@1895
  1097
    }
slouken@1895
  1098
slouken@1895
  1099
    SDL_SendWindowEvent(window->id, SDL_WINDOWEVENT_HIDDEN, 0, 0);
slouken@1895
  1100
slouken@1895
  1101
    if (_this->HideWindow) {
slouken@1895
  1102
        _this->HideWindow(_this, window);
slouken@1895
  1103
    }
slouken@1895
  1104
}
slouken@1895
  1105
slouken@1895
  1106
void
slouken@1895
  1107
SDL_RaiseWindow(SDL_WindowID windowID)
slouken@1895
  1108
{
slouken@1895
  1109
    SDL_Window *window = SDL_GetWindowFromID(windowID);
slouken@1895
  1110
slouken@1956
  1111
    if (!window || !(window->flags & SDL_WINDOW_SHOWN)) {
slouken@1895
  1112
        return;
slouken@1895
  1113
    }
slouken@1895
  1114
slouken@1895
  1115
    if (_this->RaiseWindow) {
slouken@1895
  1116
        _this->RaiseWindow(_this, window);
slouken@1895
  1117
    }
slouken@1895
  1118
}
slouken@1895
  1119
slouken@1895
  1120
void
slouken@1895
  1121
SDL_MaximizeWindow(SDL_WindowID windowID)
slouken@1895
  1122
{
slouken@1895
  1123
    SDL_Window *window = SDL_GetWindowFromID(windowID);
slouken@1895
  1124
slouken@1895
  1125
    if (!window || (window->flags & SDL_WINDOW_MAXIMIZED)) {
slouken@1895
  1126
        return;
slouken@1895
  1127
    }
slouken@1895
  1128
slouken@1895
  1129
    SDL_SendWindowEvent(window->id, SDL_WINDOWEVENT_MAXIMIZED, 0, 0);
slouken@1895
  1130
slouken@1895
  1131
    if (_this->MaximizeWindow) {
slouken@1895
  1132
        _this->MaximizeWindow(_this, window);
slouken@1895
  1133
    }
slouken@1895
  1134
}
slouken@1895
  1135
slouken@1895
  1136
void
slouken@1895
  1137
SDL_MinimizeWindow(SDL_WindowID windowID)
slouken@1895
  1138
{
slouken@1895
  1139
    SDL_Window *window = SDL_GetWindowFromID(windowID);
slouken@1895
  1140
slouken@1895
  1141
    if (!window || (window->flags & SDL_WINDOW_MINIMIZED)) {
slouken@1895
  1142
        return;
slouken@1895
  1143
    }
slouken@1895
  1144
slouken@1895
  1145
    SDL_SendWindowEvent(window->id, SDL_WINDOWEVENT_MINIMIZED, 0, 0);
slouken@1895
  1146
slouken@1895
  1147
    if (_this->MinimizeWindow) {
slouken@1895
  1148
        _this->MinimizeWindow(_this, window);
slouken@1895
  1149
    }
slouken@1895
  1150
}
slouken@1895
  1151
slouken@1895
  1152
void
slouken@1895
  1153
SDL_RestoreWindow(SDL_WindowID windowID)
slouken@1895
  1154
{
slouken@1895
  1155
    SDL_Window *window = SDL_GetWindowFromID(windowID);
slouken@1895
  1156
slouken@1895
  1157
    if (!window
slouken@1895
  1158
        || (window->flags & (SDL_WINDOW_MAXIMIZED | SDL_WINDOW_MINIMIZED))) {
slouken@1895
  1159
        return;
slouken@1895
  1160
    }
slouken@1895
  1161
slouken@1895
  1162
    SDL_SendWindowEvent(window->id, SDL_WINDOWEVENT_RESTORED, 0, 0);
slouken@1895
  1163
slouken@1895
  1164
    if (_this->RestoreWindow) {
slouken@1895
  1165
        _this->RestoreWindow(_this, window);
slouken@1895
  1166
    }
slouken@1895
  1167
}
slouken@1895
  1168
slouken@1895
  1169
int
slouken@1895
  1170
SDL_SetWindowFullscreen(SDL_WindowID windowID, int fullscreen)
slouken@1895
  1171
{
slouken@1895
  1172
    SDL_Window *window = SDL_GetWindowFromID(windowID);
slouken@1895
  1173
slouken@1895
  1174
    if (!window) {
slouken@1895
  1175
        return -1;
slouken@1895
  1176
    }
slouken@1895
  1177
slouken@1895
  1178
    if (fullscreen) {
slouken@1895
  1179
        fullscreen = SDL_WINDOW_FULLSCREEN;
slouken@1895
  1180
    }
slouken@1895
  1181
    if ((window->flags & SDL_WINDOW_FULLSCREEN) == fullscreen) {
slouken@1895
  1182
        return 0;
slouken@1895
  1183
    }
slouken@1895
  1184
slouken@1895
  1185
    if (fullscreen) {
slouken@1895
  1186
        window->flags |= SDL_WINDOW_FULLSCREEN;
slouken@1895
  1187
slouken@1895
  1188
        if (FULLSCREEN_VISIBLE(window)) {
slouken@1895
  1189
            SDL_VideoDisplay *display = SDL_GetDisplayFromWindow(window);
slouken@1895
  1190
slouken@1895
  1191
            /* Hide any other fullscreen windows */
slouken@1895
  1192
            int i;
slouken@1895
  1193
            for (i = 0; i < display->num_windows; ++i) {
slouken@1895
  1194
                SDL_Window *other = &display->windows[i];
slouken@1895
  1195
                if (other->id != windowID && FULLSCREEN_VISIBLE(other)) {
slouken@1895
  1196
                    SDL_MinimizeWindow(other->id);
slouken@1895
  1197
                }
slouken@1895
  1198
            }
slouken@1895
  1199
slouken@1895
  1200
            SDL_SetDisplayMode(display->fullscreen_mode);
slouken@1895
  1201
        }
slouken@1895
  1202
    } else {
slouken@1895
  1203
        window->flags &= ~SDL_WINDOW_FULLSCREEN;
slouken@1895
  1204
slouken@1895
  1205
        if (FULLSCREEN_VISIBLE(window)) {
slouken@1895
  1206
            SDL_SetDisplayMode(NULL);
slouken@1895
  1207
        }
slouken@1895
  1208
    }
slouken@1895
  1209
    return 0;
slouken@1895
  1210
}
slouken@1895
  1211
slouken@1895
  1212
void
slouken@1895
  1213
SDL_SetWindowGrab(SDL_WindowID windowID, int mode)
slouken@1895
  1214
{
slouken@1895
  1215
    SDL_Window *window = SDL_GetWindowFromID(windowID);
slouken@1895
  1216
slouken@1895
  1217
    if (!window || (!!mode == !!(window->flags & SDL_WINDOW_INPUT_GRABBED))) {
slouken@1895
  1218
        return;
slouken@1895
  1219
    }
slouken@1895
  1220
slouken@1895
  1221
    if (mode) {
slouken@1895
  1222
        window->flags |= SDL_WINDOW_INPUT_GRABBED;
slouken@1895
  1223
    } else {
slouken@1895
  1224
        window->flags &= ~SDL_WINDOW_INPUT_GRABBED;
slouken@1895
  1225
    }
slouken@1895
  1226
slouken@1895
  1227
    if ((window->flags & SDL_WINDOW_INPUT_FOCUS) && _this->SetWindowGrab) {
slouken@1895
  1228
        _this->SetWindowGrab(_this, window);
slouken@1895
  1229
    }
slouken@1895
  1230
}
slouken@1895
  1231
slouken@1895
  1232
int
slouken@1895
  1233
SDL_GetWindowGrab(SDL_WindowID windowID)
slouken@1895
  1234
{
slouken@1895
  1235
    SDL_Window *window = SDL_GetWindowFromID(windowID);
slouken@1895
  1236
slouken@1895
  1237
    if (!window) {
slouken@1895
  1238
        return 0;
slouken@1895
  1239
    }
slouken@1895
  1240
slouken@1895
  1241
    return ((window->flags & SDL_WINDOW_INPUT_GRABBED) != 0);
slouken@1895
  1242
}
slouken@1895
  1243
slouken@1895
  1244
void
slouken@1895
  1245
SDL_OnWindowShown(SDL_Window * window)
slouken@1895
  1246
{
slouken@1895
  1247
}
slouken@1895
  1248
slouken@1895
  1249
void
slouken@1895
  1250
SDL_OnWindowHidden(SDL_Window * window)
slouken@1895
  1251
{
slouken@1895
  1252
}
slouken@1895
  1253
slouken@1895
  1254
void
slouken@1895
  1255
SDL_OnWindowFocusGained(SDL_Window * window)
slouken@1895
  1256
{
slouken@1895
  1257
    SDL_VideoDisplay *display = SDL_GetDisplayFromWindow(window);
slouken@1895
  1258
slouken@1895
  1259
    if (window->flags & SDL_WINDOW_FULLSCREEN) {
slouken@1895
  1260
        SDL_SetDisplayMode(display->fullscreen_mode);
slouken@1895
  1261
    }
slouken@1895
  1262
    if (display->gamma && _this->SetDisplayGammaRamp) {
slouken@1895
  1263
        _this->SetDisplayGammaRamp(_this, display->gamma);
slouken@1895
  1264
    }
slouken@1895
  1265
    if ((window->flags & SDL_WINDOW_INPUT_GRABBED) && _this->SetWindowGrab) {
slouken@1895
  1266
        _this->SetWindowGrab(_this, window);
slouken@1895
  1267
    }
slouken@1895
  1268
}
slouken@1895
  1269
slouken@1895
  1270
void
slouken@1895
  1271
SDL_OnWindowFocusLost(SDL_Window * window)
slouken@1895
  1272
{
slouken@1895
  1273
    SDL_VideoDisplay *display = SDL_GetDisplayFromWindow(window);
slouken@1895
  1274
slouken@1895
  1275
    if (window->flags & SDL_WINDOW_FULLSCREEN) {
slouken@1895
  1276
        SDL_MinimizeWindow(window->id);
slouken@1895
  1277
        SDL_SetDisplayMode(NULL);
slouken@1895
  1278
    }
slouken@1895
  1279
    if (display->gamma && _this->SetDisplayGammaRamp) {
slouken@1895
  1280
        _this->SetDisplayGammaRamp(_this, display->saved_gamma);
slouken@1895
  1281
    }
slouken@1895
  1282
    if ((window->flags & SDL_WINDOW_INPUT_GRABBED) && _this->SetWindowGrab) {
slouken@1895
  1283
        _this->SetWindowGrab(_this, window);
slouken@1895
  1284
    }
slouken@1895
  1285
}
slouken@1895
  1286
slouken@1895
  1287
SDL_WindowID
slouken@1895
  1288
SDL_GetFocusWindow(void)
slouken@1895
  1289
{
slouken@1895
  1290
    SDL_VideoDisplay *display;
slouken@1895
  1291
    int i;
slouken@1895
  1292
slouken@1895
  1293
    if (!_this) {
slouken@1895
  1294
        return 0;
slouken@1895
  1295
    }
slouken@1895
  1296
slouken@1895
  1297
    display = &SDL_CurrentDisplay;
slouken@1895
  1298
    for (i = 0; i < display->num_windows; ++i) {
slouken@1895
  1299
        SDL_Window *window = &display->windows[i];
slouken@1895
  1300
slouken@1895
  1301
        if (window->flags & SDL_WINDOW_INPUT_FOCUS) {
slouken@1895
  1302
            return window->id;
slouken@1895
  1303
        }
slouken@1895
  1304
    }
slouken@1895
  1305
    return 0;
slouken@1895
  1306
}
slouken@1895
  1307
slouken@1895
  1308
void
slouken@1895
  1309
SDL_DestroyWindow(SDL_WindowID windowID)
slouken@1895
  1310
{
slouken@1895
  1311
    int i, j;
slouken@1895
  1312
slouken@1895
  1313
    if (!_this) {
slouken@1895
  1314
        return;
slouken@1895
  1315
    }
slouken@1895
  1316
slouken@1895
  1317
    /* Restore video mode, etc. */
slouken@1895
  1318
    SDL_SendWindowEvent(windowID, SDL_WINDOWEVENT_FOCUS_LOST, 0, 0);
slouken@1895
  1319
slouken@1895
  1320
    for (i = 0; i < _this->num_displays; ++i) {
slouken@1895
  1321
        SDL_VideoDisplay *display = &_this->displays[i];
slouken@1895
  1322
        for (j = 0; j < display->num_windows; ++j) {
slouken@1895
  1323
            SDL_Window *window = &display->windows[j];
slouken@1895
  1324
            if (window->id != windowID) {
slouken@1895
  1325
                continue;
slouken@1895
  1326
            }
slouken@1895
  1327
            if (window->renderer) {
slouken@1895
  1328
                SDL_DestroyRenderer(window->id);
slouken@1895
  1329
            }
slouken@1895
  1330
            if (_this->DestroyWindow) {
slouken@1895
  1331
                _this->DestroyWindow(_this, window);
slouken@1895
  1332
            }
slouken@1895
  1333
            if (window->title) {
slouken@1895
  1334
                SDL_free(window->title);
slouken@1895
  1335
            }
slouken@1895
  1336
            if (j != display->num_windows - 1) {
slouken@1895
  1337
                SDL_memcpy(&display->windows[i],
slouken@1895
  1338
                           &display->windows[i + 1],
slouken@1895
  1339
                           (display->num_windows - i - 1) * sizeof(*window));
slouken@1895
  1340
            }
slouken@1895
  1341
            --display->num_windows;
slouken@1895
  1342
            return;
slouken@1895
  1343
        }
slouken@1895
  1344
    }
slouken@1895
  1345
}
slouken@1895
  1346
slouken@1895
  1347
void
slouken@1895
  1348
SDL_AddRenderDriver(int displayIndex, const SDL_RenderDriver * driver)
slouken@1895
  1349
{
slouken@1895
  1350
    SDL_VideoDisplay *display = &_this->displays[displayIndex];
slouken@1895
  1351
    SDL_RenderDriver *render_drivers;
slouken@1895
  1352
slouken@1895
  1353
    render_drivers =
slouken@1895
  1354
        SDL_realloc(display->render_drivers,
slouken@1895
  1355
                    (display->num_render_drivers +
slouken@1895
  1356
                     1) * sizeof(*render_drivers));
slouken@1895
  1357
    if (render_drivers) {
slouken@1895
  1358
        render_drivers[display->num_render_drivers] = *driver;
slouken@1895
  1359
        display->render_drivers = render_drivers;
slouken@1895
  1360
        display->num_render_drivers++;
slouken@1895
  1361
    }
slouken@1895
  1362
}
slouken@1895
  1363
slouken@1895
  1364
int
slouken@1969
  1365
SDL_GetNumRenderDrivers(void)
slouken@1895
  1366
{
slouken@1895
  1367
    if (_this) {
slouken@1895
  1368
        return SDL_CurrentDisplay.num_render_drivers;
slouken@1895
  1369
    }
slouken@1895
  1370
    return 0;
slouken@1895
  1371
}
slouken@1895
  1372
slouken@1895
  1373
int
slouken@1969
  1374
SDL_GetRenderDriverInfo(int index, SDL_RendererInfo * info)
slouken@1895
  1375
{
slouken@1907
  1376
    if (!_this) {
slouken@1912
  1377
        SDL_UninitializedVideo();
slouken@1907
  1378
        return -1;
slouken@1907
  1379
    }
slouken@1907
  1380
slouken@1969
  1381
    if (index < 0 || index >= SDL_GetNumRenderDrivers()) {
slouken@1895
  1382
        SDL_SetError("index must be in the range of 0 - %d",
slouken@1969
  1383
                     SDL_GetNumRenderDrivers() - 1);
slouken@1895
  1384
        return -1;
slouken@1895
  1385
    }
slouken@1969
  1386
    *info = SDL_CurrentDisplay.render_drivers[index].info;
slouken@1895
  1387
    return 0;
slouken@1895
  1388
}
slouken@1895
  1389
slouken@1895
  1390
int
slouken@1895
  1391
SDL_CreateRenderer(SDL_WindowID windowID, int index, Uint32 flags)
slouken@1895
  1392
{
slouken@1895
  1393
    SDL_Window *window = SDL_GetWindowFromID(windowID);
slouken@1895
  1394
slouken@1895
  1395
    if (!window) {
slouken@1895
  1396
        return 0;
slouken@1895
  1397
    }
slouken@1895
  1398
slouken@1895
  1399
    if (index < 0) {
slouken@1905
  1400
        const char *override = SDL_getenv("SDL_VIDEO_RENDERER");
slouken@1969
  1401
        int n = SDL_GetNumRenderDrivers();
slouken@1895
  1402
        for (index = 0; index < n; ++index) {
slouken@1895
  1403
            SDL_RenderDriver *driver =
slouken@1895
  1404
                &SDL_CurrentDisplay.render_drivers[index];
slouken@1895
  1405
slouken@1905
  1406
            if (override) {
slouken@1905
  1407
                if (SDL_strcasecmp(override, driver->info.name) == 0) {
slouken@1905
  1408
                    break;
slouken@1905
  1409
                }
slouken@1905
  1410
            } else {
slouken@1905
  1411
                if ((driver->info.flags & flags) == flags) {
slouken@1905
  1412
                    break;
slouken@1905
  1413
                }
slouken@1895
  1414
            }
slouken@1895
  1415
        }
slouken@1895
  1416
        if (index == n) {
slouken@1895
  1417
            SDL_SetError("Couldn't find matching render driver");
slouken@1895
  1418
            return -1;
slouken@1895
  1419
        }
slouken@1895
  1420
    }
slouken@1895
  1421
slouken@1969
  1422
    if (index >= SDL_GetNumRenderDrivers()) {
slouken@1895
  1423
        SDL_SetError("index must be -1 or in the range of 0 - %d",
slouken@1969
  1424
                     SDL_GetNumRenderDrivers() - 1);
slouken@1895
  1425
        return -1;
slouken@1895
  1426
    }
slouken@1895
  1427
slouken@1895
  1428
    /* Free any existing renderer */
slouken@1895
  1429
    SDL_DestroyRenderer(windowID);
slouken@1895
  1430
slouken@1895
  1431
    /* Create a new renderer instance */
slouken@1895
  1432
    window->renderer =
slouken@1895
  1433
        SDL_CurrentDisplay.render_drivers[index].CreateRenderer(window,
slouken@1895
  1434
                                                                flags);
slouken@1923
  1435
    SDL_SelectRenderer(window->id);
slouken@1895
  1436
slouken@1895
  1437
    return 0;
slouken@1895
  1438
}
slouken@1895
  1439
slouken@1895
  1440
int
slouken@1895
  1441
SDL_SelectRenderer(SDL_WindowID windowID)
slouken@1895
  1442
{
slouken@1895
  1443
    SDL_Window *window = SDL_GetWindowFromID(windowID);
slouken@1923
  1444
    SDL_Renderer *renderer;
slouken@1895
  1445
slouken@1895
  1446
    if (!window || !window->renderer) {
slouken@1895
  1447
        return -1;
slouken@1895
  1448
    }
slouken@1923
  1449
    renderer = window->renderer;
slouken@1923
  1450
    if (renderer && renderer->ActivateRenderer) {
slouken@1923
  1451
        if (renderer->ActivateRenderer(renderer) < 0) {
slouken@1923
  1452
            return -1;
slouken@1923
  1453
        }
slouken@1923
  1454
    }
slouken@1923
  1455
    SDL_CurrentDisplay.current_renderer = renderer;
slouken@1895
  1456
    return 0;
slouken@1895
  1457
}
slouken@1895
  1458
slouken@1969
  1459
int
slouken@1969
  1460
SDL_GetRendererInfo(SDL_RendererInfo * info)
slouken@1969
  1461
{
slouken@1969
  1462
    if (!_this) {
slouken@1969
  1463
        SDL_UninitializedVideo();
slouken@1969
  1464
        return -1;
slouken@1969
  1465
    }
slouken@1969
  1466
slouken@1969
  1467
    if (!SDL_CurrentDisplay.current_renderer) {
slouken@1969
  1468
        SDL_SetError("There is no current renderer");
slouken@1969
  1469
        return -1;
slouken@1969
  1470
    }
slouken@1969
  1471
    *info = SDL_CurrentDisplay.current_renderer->info;
slouken@1969
  1472
    return 0;
slouken@1969
  1473
}
slouken@1969
  1474
slouken@1895
  1475
SDL_TextureID
slouken@1895
  1476
SDL_CreateTexture(Uint32 format, int access, int w, int h)
slouken@1895
  1477
{
slouken@1895
  1478
    int hash;
slouken@1895
  1479
    SDL_Renderer *renderer;
slouken@1895
  1480
    SDL_Texture *texture;
slouken@1895
  1481
slouken@1895
  1482
    if (!_this) {
slouken@1912
  1483
        SDL_UninitializedVideo();
slouken@1895
  1484
        return 0;
slouken@1895
  1485
    }
slouken@1895
  1486
slouken@1895
  1487
    renderer = SDL_CurrentDisplay.current_renderer;
slouken@1895
  1488
    if (!renderer || !renderer->CreateTexture) {
slouken@1895
  1489
        return 0;
slouken@1895
  1490
    }
slouken@1895
  1491
slouken@1920
  1492
    texture = (SDL_Texture *) SDL_calloc(1, sizeof(*texture));
slouken@1895
  1493
    if (!texture) {
slouken@1895
  1494
        SDL_OutOfMemory();
slouken@1895
  1495
        return 0;
slouken@1895
  1496
    }
slouken@1895
  1497
slouken@1895
  1498
    texture->id = _this->next_object_id++;
slouken@1895
  1499
    texture->format = format;
slouken@1895
  1500
    texture->access = access;
slouken@1895
  1501
    texture->w = w;
slouken@1895
  1502
    texture->h = h;
slouken@1895
  1503
    texture->renderer = renderer;
slouken@1895
  1504
slouken@1895
  1505
    if (renderer->CreateTexture(renderer, texture) < 0) {
slouken@1924
  1506
        if (renderer->DestroyTexture) {
slouken@1924
  1507
            renderer->DestroyTexture(renderer, texture);
slouken@1924
  1508
        }
slouken@1895
  1509
        SDL_free(texture);
slouken@1895
  1510
        return 0;
slouken@1895
  1511
    }
slouken@1895
  1512
slouken@1895
  1513
    hash = (texture->id % SDL_arraysize(SDL_CurrentDisplay.textures));
slouken@1895
  1514
    texture->next = SDL_CurrentDisplay.textures[hash];
slouken@1895
  1515
    SDL_CurrentDisplay.textures[hash] = texture;
slouken@1895
  1516
slouken@1895
  1517
    return texture->id;
slouken@1895
  1518
}
slouken@1895
  1519
slouken@1895
  1520
SDL_TextureID
slouken@1895
  1521
SDL_CreateTextureFromSurface(Uint32 format, int access, SDL_Surface * surface)
slouken@1895
  1522
{
slouken@1895
  1523
    SDL_TextureID textureID;
slouken@1895
  1524
    Uint32 surface_flags = surface->flags;
slouken@1895
  1525
    SDL_PixelFormat *fmt = surface->format;
slouken@1895
  1526
    Uint8 alpha;
slouken@1895
  1527
    SDL_Rect bounds;
slouken@1895
  1528
    SDL_Surface dst;
slouken@1895
  1529
    int bpp;
slouken@1895
  1530
    Uint32 Rmask, Gmask, Bmask, Amask;
slouken@1895
  1531
slouken@1895
  1532
    if (!surface) {
slouken@1895
  1533
        SDL_SetError("SDL_CreateTextureFromSurface() passed NULL surface");
slouken@1895
  1534
        return 0;
slouken@1895
  1535
    }
slouken@1895
  1536
slouken@1895
  1537
    if (format) {
slouken@1895
  1538
        if (!SDL_PixelFormatEnumToMasks
slouken@1895
  1539
            (format, &bpp, &Rmask, &Gmask, &Bmask, &Amask)) {
slouken@1895
  1540
            SDL_SetError("Unknown pixel format");
slouken@1895
  1541
            return 0;
slouken@1895
  1542
        }
slouken@1895
  1543
    } else {
slouken@1895
  1544
        if (fmt->Amask || !(surface_flags & (SDL_SRCCOLORKEY | SDL_SRCALPHA))) {
slouken@1895
  1545
            bpp = fmt->BitsPerPixel;
slouken@1895
  1546
            Rmask = fmt->Rmask;
slouken@1895
  1547
            Gmask = fmt->Gmask;
slouken@1895
  1548
            Bmask = fmt->Bmask;
slouken@1895
  1549
            Amask = fmt->Amask;
slouken@1895
  1550
        } else {
slouken@1895
  1551
            /* Need a format with alpha */
slouken@1895
  1552
            bpp = 32;
slouken@1895
  1553
            Rmask = 0x00FF0000;
slouken@1895
  1554
            Gmask = 0x0000FF00;
slouken@1895
  1555
            Bmask = 0x000000FF;
slouken@1895
  1556
            Amask = 0xFF000000;
slouken@1895
  1557
        }
slouken@1895
  1558
        format = SDL_MasksToPixelFormatEnum(bpp, Rmask, Gmask, Bmask, Amask);
slouken@1895
  1559
        if (!format) {
slouken@1895
  1560
            SDL_SetError("Unknown pixel format");
slouken@1895
  1561
            return 0;
slouken@1895
  1562
        }
slouken@1895
  1563
    }
slouken@1895
  1564
slouken@1895
  1565
    textureID = SDL_CreateTexture(format, access, surface->w, surface->h);
slouken@1895
  1566
    if (!textureID) {
slouken@1895
  1567
        return 0;
slouken@1895
  1568
    }
slouken@1895
  1569
slouken@1895
  1570
    /* Set up a destination surface for the texture update */
slouken@1895
  1571
    SDL_zero(dst);
slouken@1895
  1572
    dst.format = SDL_AllocFormat(bpp, Rmask, Gmask, Bmask, Amask);
slouken@1895
  1573
    if (!dst.format) {
slouken@1895
  1574
        SDL_DestroyTexture(textureID);
slouken@1895
  1575
        return 0;
slouken@1895
  1576
    }
slouken@1895
  1577
    dst.w = surface->w;
slouken@1895
  1578
    dst.h = surface->h;
slouken@1895
  1579
    if (SDL_LockTexture(textureID, NULL, 1, &dst.pixels, &dst.pitch) == 0) {
slouken@1895
  1580
        dst.flags |= SDL_PREALLOC;
slouken@1895
  1581
    } else {
slouken@1895
  1582
        dst.pitch = SDL_CalculatePitch(&dst);
slouken@1895
  1583
        dst.pixels = SDL_malloc(dst.h * dst.pitch);
slouken@1895
  1584
        if (!dst.pixels) {
slouken@1895
  1585
            SDL_DestroyTexture(textureID);
slouken@1895
  1586
            SDL_FreeFormat(dst.format);
slouken@1895
  1587
            SDL_OutOfMemory();
slouken@1895
  1588
            return 0;
slouken@1895
  1589
        }
slouken@1895
  1590
    }
slouken@1895
  1591
slouken@1895
  1592
    /* Copy the palette if any */
slouken@1895
  1593
    if (SDL_ISPIXELFORMAT_INDEXED(format)) {
slouken@1895
  1594
        if (fmt->palette) {
slouken@1895
  1595
            SDL_SetTexturePalette(textureID, fmt->palette->colors, 0,
slouken@1895
  1596
                                  fmt->palette->ncolors);
slouken@1895
  1597
            SDL_SetSurfacePalette(&dst, fmt->palette);
slouken@1895
  1598
        } else {
slouken@1895
  1599
            dst.format->palette =
slouken@1895
  1600
                SDL_AllocPalette((1 << SDL_BITSPERPIXEL(format)));
slouken@1895
  1601
            if (!dst.format->palette) {
slouken@1895
  1602
                SDL_DestroyTexture(textureID);
slouken@1895
  1603
                SDL_FreeFormat(dst.format);
slouken@1895
  1604
                return 0;
slouken@1895
  1605
            }
slouken@1895
  1606
            SDL_DitherColors(dst.format->palette->colors,
slouken@1895
  1607
                             SDL_BITSPERPIXEL(format));
slouken@1895
  1608
        }
slouken@1895
  1609
    }
slouken@1895
  1610
slouken@1895
  1611
    /* Make the texture transparent if the surface has colorkey */
slouken@1895
  1612
    if (surface_flags & SDL_SRCCOLORKEY) {
slouken@1895
  1613
        int row;
slouken@1895
  1614
        int length = dst.w * dst.format->BytesPerPixel;
slouken@1895
  1615
        Uint8 *p = (Uint8 *) dst.pixels;
slouken@1895
  1616
        for (row = 0; row < dst.h; ++row) {
slouken@1895
  1617
            SDL_memset(p, 0, length);
slouken@1895
  1618
            p += dst.pitch;
slouken@1895
  1619
        }
slouken@1895
  1620
    }
slouken@1895
  1621
slouken@1895
  1622
    /* Copy over the alpha channel */
slouken@1895
  1623
    if (surface_flags & SDL_SRCALPHA) {
slouken@1895
  1624
        if (fmt->Amask) {
slouken@1895
  1625
            surface->flags &= ~SDL_SRCALPHA;
slouken@1895
  1626
        } else {
slouken@1895
  1627
            /* FIXME: Need to make sure the texture has an alpha channel
slouken@1895
  1628
             *        and copy 'alpha' into the texture alpha channel.
slouken@1895
  1629
             */
slouken@1895
  1630
            alpha = surface->format->alpha;
slouken@1895
  1631
            SDL_SetAlpha(surface, 0, 0);
slouken@1895
  1632
        }
slouken@1895
  1633
    }
slouken@1895
  1634
slouken@1895
  1635
    /* Copy over the image data */
slouken@1895
  1636
    bounds.x = 0;
slouken@1895
  1637
    bounds.y = 0;
slouken@1895
  1638
    bounds.w = surface->w;
slouken@1895
  1639
    bounds.h = surface->h;
slouken@1895
  1640
    SDL_LowerBlit(surface, &bounds, &dst, &bounds);
slouken@1895
  1641
slouken@1895
  1642
    /* Clean up the original surface */
slouken@1895
  1643
    if ((surface_flags & SDL_SRCALPHA) == SDL_SRCALPHA) {
slouken@1895
  1644
        Uint32 aflags = surface_flags & (SDL_SRCALPHA | SDL_RLEACCELOK);
slouken@1895
  1645
        if (fmt->Amask) {
slouken@1895
  1646
            surface->flags |= SDL_SRCALPHA;
slouken@1895
  1647
        } else {
slouken@1895
  1648
            SDL_SetAlpha(surface, aflags, alpha);
slouken@1895
  1649
        }
slouken@1895
  1650
    }
slouken@1895
  1651
slouken@1895
  1652
    /* Update the texture */
slouken@1895
  1653
    if (dst.flags & SDL_PREALLOC) {
slouken@1895
  1654
        SDL_UnlockTexture(textureID);
slouken@1895
  1655
    } else {
slouken@1895
  1656
        SDL_UpdateTexture(textureID, NULL, dst.pixels, dst.pitch);
slouken@1895
  1657
        SDL_free(dst.pixels);
slouken@1895
  1658
    }
slouken@1895
  1659
    SDL_FreeFormat(dst.format);
slouken@1895
  1660
slouken@1895
  1661
    return textureID;
slouken@1895
  1662
}
slouken@1895
  1663
slouken@1895
  1664
static __inline__ SDL_Texture *
slouken@1895
  1665
SDL_GetTextureFromID(SDL_TextureID textureID)
slouken@1895
  1666
{
slouken@1895
  1667
    int hash;
slouken@1895
  1668
    SDL_Texture *texture;
slouken@1895
  1669
slouken@1895
  1670
    if (!_this) {
slouken@1895
  1671
        return NULL;
slouken@1895
  1672
    }
slouken@1895
  1673
slouken@1895
  1674
    hash = (textureID % SDL_arraysize(SDL_CurrentDisplay.textures));
slouken@1895
  1675
    for (texture = SDL_CurrentDisplay.textures[hash]; texture;
slouken@1895
  1676
         texture = texture->next) {
slouken@1895
  1677
        if (texture->id == textureID) {
slouken@1895
  1678
            return texture;
slouken@1895
  1679
        }
slouken@1895
  1680
    }
slouken@1895
  1681
    return NULL;
slouken@1895
  1682
}
slouken@1895
  1683
slouken@1895
  1684
int
slouken@1895
  1685
SDL_QueryTexture(SDL_TextureID textureID, Uint32 * format, int *access,
slouken@1895
  1686
                 int *w, int *h)
slouken@1895
  1687
{
slouken@1895
  1688
    SDL_Texture *texture = SDL_GetTextureFromID(textureID);
slouken@1895
  1689
slouken@1895
  1690
    if (!texture) {
slouken@1895
  1691
        return -1;
slouken@1895
  1692
    }
slouken@1895
  1693
slouken@1895
  1694
    if (format) {
slouken@1895
  1695
        *format = texture->format;
slouken@1895
  1696
    }
slouken@1895
  1697
    if (access) {
slouken@1895
  1698
        *access = texture->access;
slouken@1895
  1699
    }
slouken@1895
  1700
    if (w) {
slouken@1895
  1701
        *w = texture->w;
slouken@1895
  1702
    }
slouken@1895
  1703
    if (h) {
slouken@1895
  1704
        *h = texture->h;
slouken@1895
  1705
    }
slouken@1895
  1706
    return 0;
slouken@1895
  1707
}
slouken@1895
  1708
slouken@1895
  1709
int
slouken@1895
  1710
SDL_QueryTexturePixels(SDL_TextureID textureID, void **pixels, int *pitch)
slouken@1895
  1711
{
slouken@1895
  1712
    SDL_Texture *texture = SDL_GetTextureFromID(textureID);
slouken@1895
  1713
    SDL_Renderer *renderer;
slouken@1895
  1714
slouken@1895
  1715
    if (!texture) {
slouken@1895
  1716
        return -1;
slouken@1895
  1717
    }
slouken@1895
  1718
slouken@1895
  1719
    renderer = texture->renderer;
slouken@1895
  1720
    if (!renderer->QueryTexturePixels) {
slouken@1895
  1721
        return -1;
slouken@1895
  1722
    }
slouken@1895
  1723
    return renderer->QueryTexturePixels(renderer, texture, pixels, pitch);
slouken@1895
  1724
}
slouken@1895
  1725
slouken@1895
  1726
int
slouken@1895
  1727
SDL_SetTexturePalette(SDL_TextureID textureID, const SDL_Color * colors,
slouken@1895
  1728
                      int firstcolor, int ncolors)
slouken@1895
  1729
{
slouken@1895
  1730
    SDL_Texture *texture = SDL_GetTextureFromID(textureID);
slouken@1895
  1731
    SDL_Renderer *renderer;
slouken@1895
  1732
slouken@1895
  1733
    if (!texture) {
slouken@1895
  1734
        return -1;
slouken@1895
  1735
    }
slouken@1895
  1736
slouken@1895
  1737
    renderer = texture->renderer;
slouken@1895
  1738
    if (!renderer->SetTexturePalette) {
slouken@1895
  1739
        return -1;
slouken@1895
  1740
    }
slouken@1895
  1741
    return renderer->SetTexturePalette(renderer, texture, colors, firstcolor,
slouken@1895
  1742
                                       ncolors);
slouken@1895
  1743
}
slouken@1895
  1744
slouken@1895
  1745
int
slouken@1895
  1746
SDL_GetTexturePalette(SDL_TextureID textureID, SDL_Color * colors,
slouken@1895
  1747
                      int firstcolor, int ncolors)
slouken@1895
  1748
{
slouken@1895
  1749
    SDL_Texture *texture = SDL_GetTextureFromID(textureID);
slouken@1895
  1750
    SDL_Renderer *renderer;
slouken@1895
  1751
slouken@1895
  1752
    if (!texture) {
slouken@1895
  1753
        return -1;
slouken@1895
  1754
    }
slouken@1895
  1755
slouken@1895
  1756
    renderer = texture->renderer;
slouken@1895
  1757
    if (!renderer->GetTexturePalette) {
slouken@1895
  1758
        return -1;
slouken@1895
  1759
    }
slouken@1895
  1760
    return renderer->GetTexturePalette(renderer, texture, colors, firstcolor,
slouken@1895
  1761
                                       ncolors);
slouken@1895
  1762
}
slouken@1895
  1763
slouken@1895
  1764
int
slouken@1895
  1765
SDL_UpdateTexture(SDL_TextureID textureID, const SDL_Rect * rect,
slouken@1895
  1766
                  const void *pixels, int pitch)
slouken@1895
  1767
{
slouken@1895
  1768
    SDL_Texture *texture = SDL_GetTextureFromID(textureID);
slouken@1895
  1769
    SDL_Renderer *renderer;
slouken@1895
  1770
    SDL_Rect full_rect;
slouken@1895
  1771
slouken@1895
  1772
    if (!texture) {
slouken@1895
  1773
        return -1;
slouken@1895
  1774
    }
slouken@1895
  1775
slouken@1895
  1776
    renderer = texture->renderer;
slouken@1895
  1777
    if (!renderer->UpdateTexture) {
slouken@1895
  1778
        return -1;
slouken@1895
  1779
    }
slouken@1895
  1780
slouken@1895
  1781
    if (!rect) {
slouken@1895
  1782
        full_rect.x = 0;
slouken@1895
  1783
        full_rect.y = 0;
slouken@1895
  1784
        full_rect.w = texture->w;
slouken@1895
  1785
        full_rect.h = texture->h;
slouken@1895
  1786
        rect = &full_rect;
slouken@1895
  1787
    }
slouken@1895
  1788
slouken@1895
  1789
    return renderer->UpdateTexture(renderer, texture, rect, pixels, pitch);
slouken@1895
  1790
}
slouken@1895
  1791
slouken@1895
  1792
int
slouken@1895
  1793
SDL_LockTexture(SDL_TextureID textureID, const SDL_Rect * rect, int markDirty,
slouken@1895
  1794
                void **pixels, int *pitch)
slouken@1895
  1795
{
slouken@1895
  1796
    SDL_Texture *texture = SDL_GetTextureFromID(textureID);
slouken@1895
  1797
    SDL_Renderer *renderer;
slouken@1895
  1798
    SDL_Rect full_rect;
slouken@1895
  1799
slouken@1895
  1800
    if (!texture) {
slouken@1895
  1801
        return -1;
slouken@1895
  1802
    }
slouken@1895
  1803
slouken@1895
  1804
    renderer = texture->renderer;
slouken@1895
  1805
    if (!renderer->LockTexture) {
slouken@1895
  1806
        return -1;
slouken@1895
  1807
    }
slouken@1895
  1808
slouken@1895
  1809
    if (!rect) {
slouken@1895
  1810
        full_rect.x = 0;
slouken@1895
  1811
        full_rect.y = 0;
slouken@1895
  1812
        full_rect.w = texture->w;
slouken@1895
  1813
        full_rect.h = texture->h;
slouken@1895
  1814
        rect = &full_rect;
slouken@1895
  1815
    }
slouken@1895
  1816
slouken@1895
  1817
    return renderer->LockTexture(renderer, texture, rect, markDirty, pixels,
slouken@1895
  1818
                                 pitch);
slouken@1895
  1819
}
slouken@1895
  1820
slouken@1895
  1821
void
slouken@1895
  1822
SDL_UnlockTexture(SDL_TextureID textureID)
slouken@1895
  1823
{
slouken@1895
  1824
    SDL_Texture *texture = SDL_GetTextureFromID(textureID);
slouken@1895
  1825
    SDL_Renderer *renderer;
slouken@1895
  1826
slouken@1895
  1827
    if (!texture) {
slouken@1895
  1828
        return;
slouken@1895
  1829
    }
slouken@1895
  1830
slouken@1895
  1831
    renderer = texture->renderer;
slouken@1895
  1832
    if (!renderer->UnlockTexture) {
slouken@1895
  1833
        return;
slouken@1895
  1834
    }
slouken@1895
  1835
    renderer->UnlockTexture(renderer, texture);
slouken@1895
  1836
}
slouken@1895
  1837
slouken@1895
  1838
void
slouken@1895
  1839
SDL_DirtyTexture(SDL_TextureID textureID, int numrects,
slouken@1895
  1840
                 const SDL_Rect * rects)
slouken@1895
  1841
{
slouken@1895
  1842
    SDL_Texture *texture = SDL_GetTextureFromID(textureID);
slouken@1895
  1843
    SDL_Renderer *renderer;
slouken@1895
  1844
slouken@1895
  1845
    if (!texture) {
slouken@1895
  1846
        return;
slouken@1895
  1847
    }
slouken@1895
  1848
slouken@1895
  1849
    renderer = texture->renderer;
slouken@1895
  1850
    if (!renderer->DirtyTexture) {
slouken@1895
  1851
        return;
slouken@1895
  1852
    }
slouken@1895
  1853
    renderer->DirtyTexture(renderer, texture, numrects, rects);
slouken@1895
  1854
}
slouken@1895
  1855
slouken@1895
  1856
int
slouken@1895
  1857
SDL_RenderFill(const SDL_Rect * rect, Uint32 color)
slouken@1895
  1858
{
slouken@1895
  1859
    SDL_Renderer *renderer;
slouken@1895
  1860
    SDL_Window *window;
slouken@1895
  1861
    SDL_Rect real_rect;
slouken@1895
  1862
slouken@1895
  1863
    if (!_this) {
slouken@1912
  1864
        SDL_UninitializedVideo();
slouken@1895
  1865
        return -1;
slouken@1895
  1866
    }
slouken@1895
  1867
slouken@1895
  1868
    renderer = SDL_CurrentDisplay.current_renderer;
slouken@1895
  1869
    if (!renderer || !renderer->RenderFill) {
slouken@1895
  1870
        return -1;
slouken@1895
  1871
    }
slouken@1895
  1872
slouken@1895
  1873
    window = SDL_GetWindowFromID(renderer->window);
slouken@1895
  1874
    real_rect.x = 0;
slouken@1895
  1875
    real_rect.y = 0;
slouken@1895
  1876
    real_rect.w = window->w;
slouken@1895
  1877
    real_rect.h = window->h;
slouken@1895
  1878
    if (rect) {
slouken@1895
  1879
        if (!SDL_IntersectRect(rect, &real_rect, &real_rect)) {
slouken@1895
  1880
            return 0;
slouken@1895
  1881
        }
slouken@1895
  1882
    }
slouken@1895
  1883
slouken@1897
  1884
    return renderer->RenderFill(renderer, &real_rect, color);
slouken@1895
  1885
}
slouken@1895
  1886
slouken@1895
  1887
int
slouken@1895
  1888
SDL_RenderCopy(SDL_TextureID textureID, const SDL_Rect * srcrect,
slouken@1895
  1889
               const SDL_Rect * dstrect, int blendMode, int scaleMode)
slouken@1895
  1890
{
slouken@1895
  1891
    SDL_Texture *texture = SDL_GetTextureFromID(textureID);
slouken@1895
  1892
    SDL_Renderer *renderer;
slouken@1895
  1893
    SDL_Window *window;
slouken@1895
  1894
    SDL_Rect real_srcrect;
slouken@1895
  1895
    SDL_Rect real_dstrect;
slouken@1895
  1896
slouken@1895
  1897
    if (!texture || texture->renderer != SDL_CurrentDisplay.current_renderer) {
slouken@1895
  1898
        return -1;
slouken@1895
  1899
    }
slouken@1895
  1900
slouken@1895
  1901
    renderer = SDL_CurrentDisplay.current_renderer;
slouken@1895
  1902
    if (!renderer || !renderer->RenderCopy) {
slouken@1895
  1903
        return -1;
slouken@1895
  1904
    }
slouken@1895
  1905
slouken@1895
  1906
    window = SDL_GetWindowFromID(renderer->window);
slouken@1897
  1907
    if (srcrect) {
slouken@1897
  1908
        real_srcrect = *srcrect;
slouken@1897
  1909
    } else {
slouken@1897
  1910
        real_srcrect.x = 0;
slouken@1897
  1911
        real_srcrect.y = 0;
slouken@1897
  1912
        real_srcrect.w = texture->w;
slouken@1897
  1913
        real_srcrect.h = texture->h;
slouken@1895
  1914
    }
slouken@1897
  1915
    if (dstrect) {
slouken@1897
  1916
        real_dstrect = *dstrect;
slouken@1897
  1917
    } else {
slouken@1897
  1918
        real_dstrect.x = 0;
slouken@1897
  1919
        real_dstrect.y = 0;
slouken@1897
  1920
        real_dstrect.w = window->w;
slouken@1897
  1921
        real_dstrect.h = window->h;
slouken@1895
  1922
    }
slouken@1895
  1923
slouken@1897
  1924
    return renderer->RenderCopy(renderer, texture, &real_srcrect,
slouken@1897
  1925
                                &real_dstrect, blendMode, scaleMode);
slouken@1895
  1926
}
slouken@1895
  1927
slouken@1895
  1928
void
slouken@1895
  1929
SDL_RenderPresent(void)
slouken@1895
  1930
{
slouken@1895
  1931
    SDL_Renderer *renderer;
slouken@1895
  1932
slouken@1895
  1933
    if (!_this) {
slouken@1912
  1934
        SDL_UninitializedVideo();
slouken@1895
  1935
        return;
slouken@1895
  1936
    }
slouken@1895
  1937
slouken@1895
  1938
    renderer = SDL_CurrentDisplay.current_renderer;
slouken@1895
  1939
    if (!renderer || !renderer->RenderPresent) {
slouken@1895
  1940
        return;
slouken@1895
  1941
    }
slouken@1895
  1942
    renderer->RenderPresent(renderer);
slouken@1895
  1943
}
slouken@1895
  1944
slouken@1895
  1945
void
slouken@1895
  1946
SDL_DestroyTexture(SDL_TextureID textureID)
slouken@1895
  1947
{
slouken@1895
  1948
    int hash;
slouken@1895
  1949
    SDL_Texture *prev, *texture;
slouken@1895
  1950
    SDL_Renderer *renderer;
slouken@1895
  1951
slouken@1895
  1952
    if (!_this) {
slouken@1912
  1953
        SDL_UninitializedVideo();
slouken@1895
  1954
        return;
slouken@1895
  1955
    }
slouken@1895
  1956
slouken@1895
  1957
    /* Look up the texture in the hash table */
slouken@1895
  1958
    hash = (textureID % SDL_arraysize(SDL_CurrentDisplay.textures));
slouken@1895
  1959
    prev = NULL;
slouken@1895
  1960
    for (texture = SDL_CurrentDisplay.textures[hash]; texture;
slouken@1895
  1961
         prev = texture, texture = texture->next) {
slouken@1895
  1962
        if (texture->id == textureID) {
slouken@1895
  1963
            break;
slouken@1895
  1964
        }
slouken@1895
  1965
    }
slouken@1895
  1966
    if (!texture) {
slouken@1895
  1967
        return;
slouken@1895
  1968
    }
slouken@1895
  1969
slouken@1895
  1970
    /* Unlink the texture from the list */
slouken@1895
  1971
    if (prev) {
slouken@1895
  1972
        prev->next = texture->next;
slouken@1895
  1973
    } else {
slouken@1895
  1974
        SDL_CurrentDisplay.textures[hash] = texture->next;
slouken@1895
  1975
    }
slouken@1895
  1976
slouken@1895
  1977
    /* Free the texture */
slouken@1895
  1978
    renderer = texture->renderer;
slouken@1895
  1979
    renderer->DestroyTexture(renderer, texture);
slouken@1895
  1980
    SDL_free(texture);
slouken@1895
  1981
}
slouken@1895
  1982
slouken@1895
  1983
void
slouken@1895
  1984
SDL_DestroyRenderer(SDL_WindowID windowID)
slouken@1895
  1985
{
slouken@1895
  1986
    SDL_Window *window = SDL_GetWindowFromID(windowID);
slouken@1895
  1987
    SDL_Renderer *renderer;
slouken@1895
  1988
    int i;
slouken@1895
  1989
slouken@1895
  1990
    if (!window) {
slouken@1895
  1991
        return;
slouken@1895
  1992
    }
slouken@1895
  1993
slouken@1895
  1994
    renderer = window->renderer;
slouken@1895
  1995
    if (!renderer) {
slouken@1895
  1996
        return;
slouken@1895
  1997
    }
slouken@1895
  1998
slouken@1895
  1999
    /* Free existing textures for this renderer */
slouken@1895
  2000
    for (i = 0; i < SDL_arraysize(SDL_CurrentDisplay.textures); ++i) {
slouken@1895
  2001
        SDL_Texture *texture;
slouken@1895
  2002
        SDL_Texture *prev = NULL;
slouken@1895
  2003
        SDL_Texture *next;
slouken@1895
  2004
        for (texture = SDL_CurrentDisplay.textures[i]; texture;
slouken@1895
  2005
             texture = next) {
slouken@1895
  2006
            next = texture->next;
slouken@1895
  2007
            if (texture->renderer == renderer) {
slouken@1895
  2008
                if (prev) {
slouken@1895
  2009
                    prev->next = next;
slouken@1895
  2010
                } else {
slouken@1895
  2011
                    SDL_CurrentDisplay.textures[i] = next;
slouken@1895
  2012
                }
slouken@1895
  2013
                renderer->DestroyTexture(renderer, texture);
slouken@1895
  2014
                SDL_free(texture);
slouken@1895
  2015
            } else {
slouken@1895
  2016
                prev = texture;
slouken@1895
  2017
            }
slouken@1895
  2018
        }
slouken@1895
  2019
    }
slouken@1895
  2020
slouken@1895
  2021
    /* Free the renderer instance */
slouken@1895
  2022
    renderer->DestroyRenderer(renderer);
slouken@1895
  2023
slouken@1895
  2024
    /* Clear references */
slouken@1895
  2025
    window->renderer = NULL;
slouken@1895
  2026
    if (SDL_CurrentDisplay.current_renderer == renderer) {
slouken@1895
  2027
        SDL_CurrentDisplay.current_renderer = NULL;
slouken@1895
  2028
    }
slouken@1895
  2029
}
slouken@1895
  2030
slouken@1895
  2031
void
slouken@1895
  2032
SDL_VideoQuit(void)
slouken@1895
  2033
{
slouken@1895
  2034
    int i, j;
slouken@1895
  2035
slouken@1895
  2036
    if (!_this) {
slouken@1895
  2037
        return;
slouken@1895
  2038
    }
slouken@1895
  2039
slouken@1895
  2040
    /* Halt event processing before doing anything else */
slouken@1895
  2041
    SDL_StopEventLoop();
slouken@1895
  2042
slouken@1895
  2043
    /* Clean up the system video */
slouken@1895
  2044
    for (i = _this->num_displays; i--;) {
slouken@1895
  2045
        SDL_VideoDisplay *display = &_this->displays[i];
slouken@1895
  2046
        for (j = display->num_windows; j--;) {
slouken@1895
  2047
            SDL_DestroyWindow(display->windows[i].id);
slouken@1895
  2048
        }
slouken@1895
  2049
        if (display->windows) {
slouken@1895
  2050
            SDL_free(display->windows);
slouken@1895
  2051
            display->windows = NULL;
slouken@1895
  2052
        }
slouken@1895
  2053
        display->num_windows = 0;
slouken@1895
  2054
    }
slouken@1895
  2055
    _this->VideoQuit(_this);
slouken@1895
  2056
slouken@1895
  2057
    for (i = _this->num_displays; i--;) {
slouken@1895
  2058
        SDL_VideoDisplay *display = &_this->displays[i];
slouken@1895
  2059
        for (j = display->num_display_modes; j--;) {
slouken@1895
  2060
            if (display->display_modes[j].driverdata) {
slouken@1895
  2061
                SDL_free(display->display_modes[j].driverdata);
slouken@1895
  2062
                display->display_modes[j].driverdata = NULL;
slouken@1895
  2063
            }
slouken@1895
  2064
        }
slouken@1895
  2065
        if (display->display_modes) {
slouken@1895
  2066
            SDL_free(display->display_modes);
slouken@1895
  2067
            display->display_modes = NULL;
slouken@1895
  2068
        }
slouken@1895
  2069
        if (display->desktop_mode.driverdata) {
slouken@1895
  2070
            SDL_free(display->desktop_mode.driverdata);
slouken@1895
  2071
            display->desktop_mode.driverdata = NULL;
slouken@1895
  2072
        }
slouken@1895
  2073
        if (display->palette) {
slouken@1895
  2074
            SDL_FreePalette(display->palette);
slouken@1895
  2075
            display->palette = NULL;
slouken@1895
  2076
        }
slouken@1895
  2077
        if (display->gamma) {
slouken@1895
  2078
            SDL_free(display->gamma);
slouken@1895
  2079
        }
slouken@1895
  2080
        if (display->driverdata) {
slouken@1895
  2081
            SDL_free(display->driverdata);
slouken@1895
  2082
        }
slouken@1895
  2083
    }
slouken@1895
  2084
    if (_this->displays) {
slouken@1895
  2085
        SDL_free(_this->displays);
slouken@1895
  2086
        _this->displays = NULL;
slouken@1895
  2087
    }
slouken@1895
  2088
    _this->free(_this);
slouken@1895
  2089
    _this = NULL;
slouken@0
  2090
}
slouken@0
  2091
slouken@1895
  2092
int
slouken@1895
  2093
SDL_GL_LoadLibrary(const char *path)
slouken@0
  2094
{
slouken@1895
  2095
    int retval;
slouken@0
  2096
slouken@1912
  2097
    if (!_this) {
slouken@1912
  2098
        SDL_UninitializedVideo();
slouken@1912
  2099
        return -1;
slouken@1912
  2100
    }
slouken@1912
  2101
slouken@1912
  2102
    if (_this->GL_LoadLibrary) {
slouken@1912
  2103
        retval = _this->GL_LoadLibrary(_this, path);
slouken@1895
  2104
    } else {
slouken@1912
  2105
        SDL_SetError("No dynamic GL support in video driver");
slouken@1912
  2106
        retval = -1;
slouken@1895
  2107
    }
slouken@1895
  2108
    return (retval);
slouken@0
  2109
}
slouken@0
  2110
slouken@1895
  2111
void *
slouken@1895
  2112
SDL_GL_GetProcAddress(const char *proc)
slouken@0
  2113
{
slouken@1895
  2114
    void *func;
slouken@0
  2115
slouken@1912
  2116
    if (!_this) {
slouken@1912
  2117
        SDL_UninitializedVideo();
slouken@1912
  2118
        return NULL;
slouken@1912
  2119
    }
slouken@1912
  2120
slouken@1895
  2121
    func = NULL;
slouken@1895
  2122
    if (_this->GL_GetProcAddress) {
slouken@1895
  2123
        if (_this->gl_config.driver_loaded) {
slouken@1895
  2124
            func = _this->GL_GetProcAddress(_this, proc);
slouken@1895
  2125
        } else {
slouken@1895
  2126
            SDL_SetError("No GL driver has been loaded");
slouken@1895
  2127
        }
slouken@1895
  2128
    } else {
slouken@1895
  2129
        SDL_SetError("No dynamic GL support in video driver");
slouken@1895
  2130
    }
slouken@1895
  2131
    return func;
slouken@0
  2132
}
slouken@0
  2133
slouken@1926
  2134
SDL_bool
slouken@1926
  2135
SDL_GL_ExtensionSupported(const char *extension)
slouken@1926
  2136
{
slouken@1926
  2137
#if SDL_VIDEO_OPENGL
slouken@1926
  2138
    const GLubyte *(APIENTRY * glGetStringFunc) (GLenum);
slouken@1926
  2139
    const char *extensions;
slouken@1926
  2140
    const char *start;
slouken@1926
  2141
    const char *where, *terminator;
slouken@1926
  2142
slouken@1926
  2143
    /* Extension names should not have spaces. */
slouken@1926
  2144
    where = SDL_strchr(extension, ' ');
slouken@1926
  2145
    if (where || *extension == '\0') {
slouken@1926
  2146
        return SDL_FALSE;
slouken@1926
  2147
    }
slouken@1926
  2148
slouken@1926
  2149
    /* See if there's an environment variable override */
slouken@1926
  2150
    start = SDL_getenv(extension);
slouken@1926
  2151
    if (start && *start == '0') {
slouken@1926
  2152
        return SDL_FALSE;
slouken@1926
  2153
    }
slouken@1926
  2154
slouken@1926
  2155
    /* Lookup the available extensions */
slouken@1926
  2156
    glGetStringFunc = SDL_GL_GetProcAddress("glGetString");
slouken@1926
  2157
    if (glGetStringFunc) {
slouken@1926
  2158
        extensions = (const char *) glGetStringFunc(GL_EXTENSIONS);
slouken@1926
  2159
    } else {
slouken@1926
  2160
        extensions = NULL;
slouken@1926
  2161
    }
slouken@1926
  2162
    if (!extensions) {
slouken@1926
  2163
        return SDL_FALSE;
slouken@1926
  2164
    }
slouken@1926
  2165
slouken@1926
  2166
    /* It takes a bit of care to be fool-proof about parsing the
slouken@1926
  2167
     * OpenGL extensions string. Don't be fooled by sub-strings,
slouken@1926
  2168
     * etc. */
slouken@1926
  2169
slouken@1926
  2170
    start = extensions;
slouken@1926
  2171
slouken@1926
  2172
    for (;;) {
slouken@1926
  2173
        where = SDL_strstr(start, extension);
slouken@1926
  2174
        if (!where)
slouken@1926
  2175
            break;
slouken@1926
  2176
slouken@1926
  2177
        terminator = where + SDL_strlen(extension);
slouken@1926
  2178
        if (where == start || *(where - 1) == ' ')
slouken@1926
  2179
            if (*terminator == ' ' || *terminator == '\0')
slouken@1926
  2180
                return SDL_TRUE;
slouken@1926
  2181
slouken@1926
  2182
        start = terminator;
slouken@1926
  2183
    }
slouken@1926
  2184
    return SDL_FALSE;
slouken@1926
  2185
#else
slouken@1926
  2186
    return SDL_FALSE;
slouken@1926
  2187
#endif
slouken@1926
  2188
}
slouken@1926
  2189
slouken@1895
  2190
int
slouken@1895
  2191
SDL_GL_SetAttribute(SDL_GLattr attr, int value)
slouken@0
  2192
{
slouken@1936
  2193
#if SDL_VIDEO_OPENGL
slouken@1895
  2194
    int retval;
slouken@0
  2195
slouken@1912
  2196
    if (!_this) {
slouken@1912
  2197
        SDL_UninitializedVideo();
slouken@1912
  2198
        return -1;
slouken@1912
  2199
    }
slouken@1912
  2200
slouken@1895
  2201
    retval = 0;
slouken@1895
  2202
    switch (attr) {
slouken@1895
  2203
    case SDL_GL_RED_SIZE:
slouken@1895
  2204
        _this->gl_config.red_size = value;
slouken@1895
  2205
        break;
slouken@1895
  2206
    case SDL_GL_GREEN_SIZE:
slouken@1895
  2207
        _this->gl_config.green_size = value;
slouken@1895
  2208
        break;
slouken@1895
  2209
    case SDL_GL_BLUE_SIZE:
slouken@1895
  2210
        _this->gl_config.blue_size = value;
slouken@1895
  2211
        break;
slouken@1895
  2212
    case SDL_GL_ALPHA_SIZE:
slouken@1895
  2213
        _this->gl_config.alpha_size = value;
slouken@1895
  2214
        break;
slouken@1895
  2215
    case SDL_GL_DOUBLEBUFFER:
slouken@1895
  2216
        _this->gl_config.double_buffer = value;
slouken@1895
  2217
        break;
slouken@1895
  2218
    case SDL_GL_BUFFER_SIZE:
slouken@1895
  2219
        _this->gl_config.buffer_size = value;
slouken@1895
  2220
        break;
slouken@1895
  2221
    case SDL_GL_DEPTH_SIZE:
slouken@1895
  2222
        _this->gl_config.depth_size = value;
slouken@1895
  2223
        break;
slouken@1895
  2224
    case SDL_GL_STENCIL_SIZE:
slouken@1895
  2225
        _this->gl_config.stencil_size = value;
slouken@1895
  2226
        break;
slouken@1895
  2227
    case SDL_GL_ACCUM_RED_SIZE:
slouken@1895
  2228
        _this->gl_config.accum_red_size = value;
slouken@1895
  2229
        break;
slouken@1895
  2230
    case SDL_GL_ACCUM_GREEN_SIZE:
slouken@1895
  2231
        _this->gl_config.accum_green_size = value;
slouken@1895
  2232
        break;
slouken@1895
  2233
    case SDL_GL_ACCUM_BLUE_SIZE:
slouken@1895
  2234
        _this->gl_config.accum_blue_size = value;
slouken@1895
  2235
        break;
slouken@1895
  2236
    case SDL_GL_ACCUM_ALPHA_SIZE:
slouken@1895
  2237
        _this->gl_config.accum_alpha_size = value;
slouken@1895
  2238
        break;
slouken@1895
  2239
    case SDL_GL_STEREO:
slouken@1895
  2240
        _this->gl_config.stereo = value;
slouken@1895
  2241
        break;
slouken@1895
  2242
    case SDL_GL_MULTISAMPLEBUFFERS:
slouken@1895
  2243
        _this->gl_config.multisamplebuffers = value;
slouken@1895
  2244
        break;
slouken@1895
  2245
    case SDL_GL_MULTISAMPLESAMPLES:
slouken@1895
  2246
        _this->gl_config.multisamplesamples = value;
slouken@1895
  2247
        break;
slouken@1895
  2248
    case SDL_GL_ACCELERATED_VISUAL:
slouken@1895
  2249
        _this->gl_config.accelerated = value;
slouken@1895
  2250
        break;
slouken@1895
  2251
    default:
slouken@1895
  2252
        SDL_SetError("Unknown OpenGL attribute");
slouken@1895
  2253
        retval = -1;
slouken@1895
  2254
        break;
slouken@1895
  2255
    }
slouken@1912
  2256
    return retval;
slouken@1936
  2257
#else
slouken@1936
  2258
    SDL_Unsupported();
slouken@1936
  2259
    return -1;
slouken@1936
  2260
#endif /* SDL_VIDEO_OPENGL */
slouken@0
  2261
}
slouken@0
  2262
slouken@1895
  2263
int
slouken@1936
  2264
SDL_GL_GetAttribute(SDL_GLattr attr, int *value)
slouken@0
  2265
{
slouken@1936
  2266
#if SDL_VIDEO_OPENGL
slouken@1936
  2267
    void (APIENTRY * glGetIntegervFunc) (GLenum pname, GLint * params);
slouken@1936
  2268
    GLenum attrib = 0;
slouken@1912
  2269
slouken@1936
  2270
    glGetIntegervFunc = SDL_GL_GetProcAddress("glGetIntegerv");
slouken@1936
  2271
    if (!glGetIntegervFunc) {
slouken@1936
  2272
        return -1;
slouken@1936
  2273
    }
slouken@1936
  2274
    switch (attr) {
slouken@1936
  2275
    case SDL_GL_RED_SIZE:
slouken@1936
  2276
        attrib = GL_RED_BITS;
slouken@1936
  2277
        break;
slouken@1936
  2278
    case SDL_GL_BLUE_SIZE:
slouken@1936
  2279
        attrib = GL_BLUE_BITS;
slouken@1936
  2280
        break;
slouken@1936
  2281
    case SDL_GL_GREEN_SIZE:
slouken@1936
  2282
        attrib = GL_GREEN_BITS;
slouken@1936
  2283
        break;
slouken@1936
  2284
    case SDL_GL_ALPHA_SIZE:
slouken@1936
  2285
        attrib = GL_ALPHA_BITS;
slouken@1936
  2286
        break;
slouken@1936
  2287
    case SDL_GL_DOUBLEBUFFER:
slouken@1936
  2288
        attrib = GL_DOUBLEBUFFER;
slouken@1936
  2289
        break;
slouken@1936
  2290
    case SDL_GL_DEPTH_SIZE:
slouken@1936
  2291
        attrib = GL_DEPTH_BITS;
slouken@1936
  2292
        break;
slouken@1936
  2293
    case SDL_GL_STENCIL_SIZE:
slouken@1936
  2294
        attrib = GL_STENCIL_BITS;
slouken@1936
  2295
        break;
slouken@1936
  2296
    case SDL_GL_ACCUM_RED_SIZE:
slouken@1936
  2297
        attrib = GL_ACCUM_RED_BITS;
slouken@1936
  2298
        break;
slouken@1936
  2299
    case SDL_GL_ACCUM_GREEN_SIZE:
slouken@1936
  2300
        attrib = GL_ACCUM_GREEN_BITS;
slouken@1936
  2301
        break;
slouken@1936
  2302
    case SDL_GL_ACCUM_BLUE_SIZE:
slouken@1936
  2303
        attrib = GL_ACCUM_BLUE_BITS;
slouken@1936
  2304
        break;
slouken@1936
  2305
    case SDL_GL_ACCUM_ALPHA_SIZE:
slouken@1936
  2306
        attrib = GL_ACCUM_ALPHA_BITS;
slouken@1936
  2307
        break;
slouken@1936
  2308
    case SDL_GL_STEREO:
slouken@1936
  2309
        attrib = GL_STEREO;
slouken@1936
  2310
        break;
slouken@1936
  2311
    case SDL_GL_MULTISAMPLEBUFFERS:
slouken@1936
  2312
        attrib = GL_SAMPLE_BUFFERS_ARB;
slouken@1936
  2313
        break;
slouken@1936
  2314
    case SDL_GL_MULTISAMPLESAMPLES:
slouken@1936
  2315
        attrib = GL_SAMPLES_ARB;
slouken@1936
  2316
        break;
slouken@1936
  2317
    case SDL_GL_BUFFER_SIZE:
slouken@1936
  2318
        {
slouken@1936
  2319
            GLint bits = 0;
slouken@1936
  2320
            GLint component;
slouken@1936
  2321
slouken@1936
  2322
            /* there doesn't seem to be a single flag in OpenGL for this! */
slouken@1938
  2323
            glGetIntegervFunc(GL_RED_BITS, &component);
slouken@1936
  2324
            bits += component;
slouken@1938
  2325
            glGetIntegervFunc(GL_GREEN_BITS, &component);
slouken@1936
  2326
            bits += component;
slouken@1938
  2327
            glGetIntegervFunc(GL_BLUE_BITS, &component);
slouken@1936
  2328
            bits += component;
slouken@1938
  2329
            glGetIntegervFunc(GL_ALPHA_BITS, &component);
slouken@1936
  2330
            bits += component;
slouken@1936
  2331
slouken@1936
  2332
            *value = bits;
slouken@1936
  2333
            return 0;
slouken@1936
  2334
        }
slouken@1936
  2335
    case SDL_GL_ACCELERATED_VISUAL:
slouken@1936
  2336
        {
slouken@1936
  2337
            /* FIXME: How do we get this information? */
slouken@1936
  2338
            *value = (_this->gl_config.accelerated != 0);
slouken@1936
  2339
            return 0;
slouken@1936
  2340
        }
slouken@1936
  2341
    default:
slouken@1936
  2342
        SDL_SetError("Unknown OpenGL attribute");
slouken@1912
  2343
        return -1;
slouken@1912
  2344
    }
slouken@0
  2345
slouken@1938
  2346
    glGetIntegervFunc(attrib, (GLint *) value);
slouken@1936
  2347
    return 0;
slouken@1936
  2348
#else
slouken@1936
  2349
    SDL_Unsupported();
slouken@1936
  2350
    return -1;
slouken@1936
  2351
#endif /* SDL_VIDEO_OPENGL */
slouken@0
  2352
}
slouken@0
  2353
slouken@1912
  2354
SDL_GLContext
slouken@1912
  2355
SDL_GL_CreateContext(SDL_WindowID windowID)
slouken@1912
  2356
{
slouken@1912
  2357
    SDL_Window *window = SDL_GetWindowFromID(windowID);
slouken@1912
  2358
slouken@1912
  2359
    if (!window) {
slouken@1912
  2360
        return NULL;
slouken@1912
  2361
    }
slouken@1912
  2362
    if (!(window->flags & SDL_WINDOW_OPENGL)) {
slouken@1912
  2363
        SDL_SetError("The specified window isn't an OpenGL window");
slouken@1912
  2364
        return NULL;
slouken@1912
  2365
    }
slouken@1912
  2366
    return _this->GL_CreateContext(_this, window);
slouken@1912
  2367
}
slouken@1912
  2368
slouken@1912
  2369
int
slouken@1912
  2370
SDL_GL_MakeCurrent(SDL_WindowID windowID, SDL_GLContext context)
slouken@1912
  2371
{
slouken@1912
  2372
    SDL_Window *window = SDL_GetWindowFromID(windowID);
slouken@1912
  2373
slouken@1913
  2374
    if (window && !(window->flags & SDL_WINDOW_OPENGL)) {
slouken@1912
  2375
        SDL_SetError("The specified window isn't an OpenGL window");
slouken@1912
  2376
        return -1;
slouken@1912
  2377
    }
slouken@1936
  2378
    if (!context) {
slouken@1936
  2379
        window = NULL;
slouken@1936
  2380
    }
slouken@1912
  2381
    return _this->GL_MakeCurrent(_this, window, context);
slouken@1912
  2382
}
slouken@1912
  2383
slouken@1912
  2384
int
slouken@1912
  2385
SDL_GL_SetSwapInterval(int interval)
slouken@1912
  2386
{
slouken@1912
  2387
    if (!_this) {
slouken@1912
  2388
        SDL_UninitializedVideo();
slouken@1912
  2389
        return -1;
slouken@1912
  2390
    }
slouken@1912
  2391
slouken@1912
  2392
    if (_this->GL_SetSwapInterval) {
slouken@1912
  2393
        return _this->GL_SetSwapInterval(_this, interval);
slouken@1912
  2394
    } else {
slouken@1912
  2395
        SDL_SetError("Setting the swap interval is not supported");
slouken@1912
  2396
        return -1;
slouken@1912
  2397
    }
slouken@1912
  2398
}
slouken@1912
  2399
slouken@1912
  2400
int
slouken@1912
  2401
SDL_GL_GetSwapInterval(void)
slouken@1912
  2402
{
slouken@1912
  2403
    if (!_this) {
slouken@1912
  2404
        SDL_UninitializedVideo();
slouken@1912
  2405
        return -1;
slouken@1912
  2406
    }
slouken@1912
  2407
slouken@1912
  2408
    if (_this->GL_GetSwapInterval) {
slouken@1912
  2409
        return _this->GL_GetSwapInterval(_this);
slouken@1912
  2410
    } else {
slouken@1912
  2411
        SDL_SetError("Getting the swap interval is not supported");
slouken@1912
  2412
        return -1;
slouken@1912
  2413
    }
slouken@1912
  2414
}
slouken@1912
  2415
slouken@1895
  2416
void
slouken@1912
  2417
SDL_GL_SwapWindow(SDL_WindowID windowID)
slouken@0
  2418
{
slouken@1912
  2419
    SDL_Window *window = SDL_GetWindowFromID(windowID);
slouken@1912
  2420
slouken@1912
  2421
    if (!window) {
slouken@1912
  2422
        return;
slouken@1912
  2423
    }
slouken@1912
  2424
    if (!(window->flags & SDL_WINDOW_OPENGL)) {
slouken@1912
  2425
        SDL_SetError("The specified window isn't an OpenGL window");
slouken@1912
  2426
        return;
slouken@1912
  2427
    }
slouken@1930
  2428
    _this->GL_SwapWindow(_this, window);
slouken@1912
  2429
}
slouken@1912
  2430
slouken@1912
  2431
void
slouken@1912
  2432
SDL_GL_DeleteContext(SDL_GLContext context)
slouken@1912
  2433
{
slouken@1912
  2434
    if (!_this || !context) {
slouken@1912
  2435
        return;
slouken@1912
  2436
    }
slouken@1936
  2437
    _this->GL_MakeCurrent(_this, NULL, NULL);
slouken@1912
  2438
    _this->GL_DeleteContext(_this, context);
slouken@0
  2439
}
slouken@0
  2440
slouken@1895
  2441
#if 0                           // FIXME
slouken@541
  2442
/* Utility function used by SDL_WM_SetIcon();
slouken@541
  2443
 * flags & 1 for color key, flags & 2 for alpha channel. */
slouken@1895
  2444
static void
slouken@1895
  2445
CreateMaskFromColorKeyOrAlpha(SDL_Surface * icon, Uint8 * mask, int flags)
slouken@0
  2446
{
slouken@1895
  2447
    int x, y;
slouken@1895
  2448
    Uint32 colorkey;
slouken@0
  2449
#define SET_MASKBIT(icon, x, y, mask) \
slouken@0
  2450
	mask[(y*((icon->w+7)/8))+(x/8)] &= ~(0x01<<(7-(x%8)))
slouken@0
  2451
slouken@1895
  2452
    colorkey = icon->format->colorkey;
slouken@1895
  2453
    switch (icon->format->BytesPerPixel) {
slouken@1895
  2454
    case 1:
slouken@1895
  2455
        {
slouken@1895
  2456
            Uint8 *pixels;
slouken@1895
  2457
            for (y = 0; y < icon->h; ++y) {
slouken@1895
  2458
                pixels = (Uint8 *) icon->pixels + y * icon->pitch;
slouken@1895
  2459
                for (x = 0; x < icon->w; ++x) {
slouken@1895
  2460
                    if (*pixels++ == colorkey) {
slouken@1895
  2461
                        SET_MASKBIT(icon, x, y, mask);
slouken@1895
  2462
                    }
slouken@1895
  2463
                }
slouken@1895
  2464
            }
slouken@1895
  2465
        }
slouken@1895
  2466
        break;
slouken@0
  2467
slouken@1895
  2468
    case 2:
slouken@1895
  2469
        {
slouken@1895
  2470
            Uint16 *pixels;
slouken@1895
  2471
            for (y = 0; y < icon->h; ++y) {
slouken@1895
  2472
                pixels = (Uint16 *) icon->pixels + y * icon->pitch / 2;
slouken@1895
  2473
                for (x = 0; x < icon->w; ++x) {
slouken@1895
  2474
                    if ((flags & 1) && *pixels == colorkey) {
slouken@1895
  2475
                        SET_MASKBIT(icon, x, y, mask);
slouken@1895
  2476
                    } else if ((flags & 2)
slouken@1895
  2477
                               && (*pixels & icon->format->Amask) == 0) {
slouken@1895
  2478
                        SET_MASKBIT(icon, x, y, mask);
slouken@1895
  2479
                    }
slouken@1895
  2480
                    pixels++;
slouken@1895
  2481
                }
slouken@1895
  2482
            }
slouken@1895
  2483
        }
slouken@1895
  2484
        break;
slouken@0
  2485
slouken@1895
  2486
    case 4:
slouken@1895
  2487
        {
slouken@1895
  2488
            Uint32 *pixels;
slouken@1895
  2489
            for (y = 0; y < icon->h; ++y) {
slouken@1895
  2490
                pixels = (Uint32 *) icon->pixels + y * icon->pitch / 4;
slouken@1895
  2491
                for (x = 0; x < icon->w; ++x) {
slouken@1895
  2492
                    if ((flags & 1) && *pixels == colorkey) {
slouken@1895
  2493
                        SET_MASKBIT(icon, x, y, mask);
slouken@1895
  2494
                    } else if ((flags & 2)
slouken@1895
  2495
                               && (*pixels & icon->format->Amask) == 0) {
slouken@1895
  2496
                        SET_MASKBIT(icon, x, y, mask);
slouken@1895
  2497
                    }
slouken@1895
  2498
                    pixels++;
slouken@1895
  2499
                }
slouken@1895
  2500
            }
slouken@1895
  2501
        }
slouken@1895
  2502
        break;
slouken@1895
  2503
    }
slouken@0
  2504
}
slouken@0
  2505
slouken@0
  2506
/*
slouken@0
  2507
 * Sets the window manager icon for the display window.
slouken@0
  2508
 */
slouken@1895
  2509
void
slouken@1895
  2510
SDL_WM_SetIcon(SDL_Surface * icon, Uint8 * mask)
slouken@0
  2511
{
slouken@1895
  2512
    if (icon && _this->SetIcon) {
slouken@1895
  2513
        /* Generate a mask if necessary, and create the icon! */
slouken@1895
  2514
        if (mask == NULL) {
slouken@1895
  2515
            int mask_len = icon->h * (icon->w + 7) / 8;
slouken@1895
  2516
            int flags = 0;
slouken@1895
  2517
            mask = (Uint8 *) SDL_malloc(mask_len);
slouken@1895
  2518
            if (mask == NULL) {
slouken@1895
  2519
                return;
slouken@1895
  2520
            }
slouken@1895
  2521
            SDL_memset(mask, ~0, mask_len);
slouken@1895
  2522
            if (icon->flags & SDL_SRCCOLORKEY)
slouken@1895
  2523
                flags |= 1;
slouken@1895
  2524
            if (icon->flags & SDL_SRCALPHA)
slouken@1895
  2525
                flags |= 2;
slouken@1895
  2526
            if (flags) {
slouken@1895
  2527
                CreateMaskFromColorKeyOrAlpha(icon, mask, flags);
slouken@1895
  2528
            }
slouken@1895
  2529
            _this->SetIcon(_this, icon, mask);
slouken@1895
  2530
            SDL_free(mask);
slouken@1895
  2531
        } else {
slouken@1895
  2532
            _this->SetIcon(_this, icon, mask);
slouken@1895
  2533
        }
slouken@1895
  2534
    }
slouken@1895
  2535
}
slouken@1895
  2536
#endif
slouken@0
  2537
slouken@1895
  2538
SDL_bool
slouken@1895
  2539
SDL_GetWindowWMInfo(SDL_WindowID windowID, struct SDL_SysWMinfo *info)
slouken@1895
  2540
{
slouken@1895
  2541
    SDL_Window *window = SDL_GetWindowFromID(windowID);
slouken@1895
  2542
slouken@1895
  2543
    if (!window || !_this->GetWindowWMInfo) {
slouken@1895
  2544
        return SDL_FALSE;
slouken@1895
  2545
    }
slouken@1895
  2546
    return (_this->GetWindowWMInfo(_this, window, info));
slouken@0
  2547
}
slouken@0
  2548
slouken@1895
  2549
/* vi: set ts=4 sw=4 expandtab: */