src/video/SDL_video.c
author Sam Lantinga <slouken@libsdl.org>
Thu, 10 Aug 2006 14:54:23 +0000
changeset 1978 542c78b6fb12
parent 1977 754847f19490
child 1981 3f21778e7433
permissions -rw-r--r--
MacOS Classic is no longer supported.
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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_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_CYBERGRAPHICS
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    &CGX_bootstrap,
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#endif
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#if SDL_VIDEO_DRIVER_PHOTON
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    &ph_bootstrap,
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#endif
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#if SDL_VIDEO_DRIVER_EPOC
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    &EPOC_bootstrap,
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#endif
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#if SDL_VIDEO_DRIVER_XBIOS
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    &XBIOS_bootstrap,
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#endif
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#if SDL_VIDEO_DRIVER_GEM
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    &GEM_bootstrap,
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#endif
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#if SDL_VIDEO_DRIVER_DC
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    &DC_bootstrap,
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#endif
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#if SDL_VIDEO_DRIVER_RISCOS
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    &RISCOS_bootstrap,
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#endif
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#if SDL_VIDEO_DRIVER_OS2FS
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    &OS2FSLib_bootstrap,
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#endif
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#if SDL_VIDEO_DRIVER_DUMMY
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    &DUMMY_bootstrap,
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#endif
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    NULL
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};
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static SDL_VideoDevice *_this = NULL;
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/* Various local functions */
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int SDL_VideoInit(const char *driver_name, Uint32 flags);
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void SDL_VideoQuit(void);
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static int
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cmpmodes(const void *A, const void *B)
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{
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    SDL_DisplayMode a = *(const SDL_DisplayMode *) A;
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    SDL_DisplayMode b = *(const SDL_DisplayMode *) B;
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    if (a.w != b.w) {
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        return b.w - a.w;
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    }
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    if (a.h != b.h) {
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        return b.h - a.h;
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    }
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    if (SDL_BITSPERPIXEL(a.format) != SDL_BITSPERPIXEL(b.format)) {
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        return SDL_BITSPERPIXEL(b.format) - SDL_BITSPERPIXEL(a.format);
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    }
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    if (a.refresh_rate != b.refresh_rate) {
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        return b.refresh_rate - a.refresh_rate;
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    }
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    return 0;
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}
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static void
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SDL_UninitializedVideo()
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{
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    SDL_SetError("Video subsystem has not been initialized");
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}
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int
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SDL_GetNumVideoDrivers(void)
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{
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    return SDL_arraysize(bootstrap) - 1;
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}
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const char *
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SDL_GetVideoDriver(int index)
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{
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    if (index >= 0 && index < SDL_GetNumVideoDrivers()) {
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        return bootstrap[index]->name;
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    }
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    return NULL;
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}
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/*
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 * Initialize the video and event subsystems -- determine native pixel format
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 */
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int
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SDL_VideoInit(const char *driver_name, Uint32 flags)
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{
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    SDL_VideoDevice *video;
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    int index;
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    int i;
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    /* Toggle the event thread flags, based on OS requirements */
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#if defined(MUST_THREAD_EVENTS)
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    flags |= SDL_INIT_EVENTTHREAD;
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#elif defined(CANT_THREAD_EVENTS)
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    if ((flags & SDL_INIT_EVENTTHREAD) == SDL_INIT_EVENTTHREAD) {
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        SDL_SetError("OS doesn't support threaded events");
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        return -1;
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    }
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#endif
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    /* Start the event loop */
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    if (SDL_StartEventLoop(flags) < 0) {
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        return -1;
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    }
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    /* Check to make sure we don't overwrite '_this' */
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    if (_this != NULL) {
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        SDL_VideoQuit();
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    }
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    /* Select the proper video driver */
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    index = 0;
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    video = NULL;
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    if (driver_name == NULL) {
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        driver_name = SDL_getenv("SDL_VIDEODRIVER");
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    }
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    if (driver_name != NULL) {
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        for (i = 0; bootstrap[i]; ++i) {
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            if (SDL_strncmp(bootstrap[i]->name, driver_name,
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                            SDL_strlen(bootstrap[i]->name)) == 0) {
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                if (bootstrap[i]->available()) {
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                    video = bootstrap[i]->create(index);
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                }
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                break;
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            }
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        }
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    } else {
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        for (i = 0; bootstrap[i]; ++i) {
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            if (bootstrap[i]->available()) {
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                video = bootstrap[i]->create(index);
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                if (video != NULL) {
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                    break;
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                }
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            }
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        }
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    }
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    if (video == NULL) {
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        if (driver_name) {
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            SDL_SetError("%s not available", driver_name);
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        } else {
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            SDL_SetError("No available video device");
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        }
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        return -1;
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    }
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    _this = video;
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    _this->name = bootstrap[i]->name;
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    _this->next_object_id = 1;
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    /* Set some very sane GL defaults */
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    _this->gl_config.driver_loaded = 0;
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    _this->gl_config.dll_handle = NULL;
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    _this->gl_config.red_size = 3;
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    _this->gl_config.green_size = 3;
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    _this->gl_config.blue_size = 2;
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    _this->gl_config.alpha_size = 0;
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    _this->gl_config.buffer_size = 0;
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    _this->gl_config.depth_size = 16;
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    _this->gl_config.stencil_size = 0;
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    _this->gl_config.double_buffer = 1;
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    _this->gl_config.accum_red_size = 0;
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    _this->gl_config.accum_green_size = 0;
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    _this->gl_config.accum_blue_size = 0;
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    _this->gl_config.accum_alpha_size = 0;
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    _this->gl_config.stereo = 0;
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    _this->gl_config.multisamplebuffers = 0;
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    _this->gl_config.multisamplesamples = 0;
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    _this->gl_config.accelerated = -1;  /* not known, don't set */
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    /* Initialize the video subsystem */
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    if (_this->VideoInit(_this) < 0) {
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        SDL_VideoQuit();
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        return -1;
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    }
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    /* Make sure some displays were added */
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    if (_this->num_displays == 0) {
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        SDL_SetError("The video driver did not add any displays");
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        SDL_VideoQuit();
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        return (-1);
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    }
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    /* The software renderer is always available */
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    for (i = 0; i < _this->num_displays; ++i) {
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#if SDL_VIDEO_RENDER_OGL
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        SDL_AddRenderDriver(i, &GL_RenderDriver);
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#endif
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        if (_this->displays[i].num_render_drivers > 0) {
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            SDL_AddRenderDriver(i, &SW_RenderDriver);
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        }
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    }
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    /* We're ready to go! */
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    return 0;
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}
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const char *
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SDL_GetCurrentVideoDriver()
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{
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    if (!_this) {
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        SDL_UninitializedVideo();
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        return NULL;
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    }
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    return _this->name;
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}
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SDL_VideoDevice *
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SDL_GetVideoDevice()
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{
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    return _this;
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}
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int
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SDL_AddBasicVideoDisplay(const SDL_DisplayMode * desktop_mode)
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{
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    SDL_VideoDisplay display;
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    SDL_zero(display);
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    if (desktop_mode) {
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        display.desktop_mode = *desktop_mode;
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    }
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    display.current_mode = display.desktop_mode;
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    return SDL_AddVideoDisplay(&display);
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}
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int
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SDL_AddVideoDisplay(const SDL_VideoDisplay * display)
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{
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    SDL_VideoDisplay *displays;
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    int index = -1;
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    displays =
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        SDL_realloc(_this->displays,
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                    (_this->num_displays + 1) * sizeof(*displays));
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    if (displays) {
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        index = _this->num_displays++;
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        displays[index] = *display;
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        displays[index].device = _this;
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        _this->displays = displays;
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    } else {
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        SDL_OutOfMemory();
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    }
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    return index;
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}
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int
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SDL_GetNumVideoDisplays(void)
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{
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    if (!_this) {
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        SDL_UninitializedVideo();
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        return 0;
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    }
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    return _this->num_displays;
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}
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int
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SDL_SelectVideoDisplay(int index)
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{
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    if (!_this) {
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        SDL_UninitializedVideo();
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        return (-1);
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    }
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    if (index < 0 || index >= _this->num_displays) {
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        SDL_SetError("index must be in the range 0 - %d",
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                     _this->num_displays - 1);
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        return -1;
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    }
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    _this->current_display = index;
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    return 0;
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}
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int
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SDL_GetCurrentVideoDisplay(void)
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{
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    if (!_this) {
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        SDL_UninitializedVideo();
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        return (-1);
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    }
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    return _this->current_display;
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}
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SDL_bool
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SDL_AddDisplayMode(int displayIndex, const SDL_DisplayMode * mode)
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{
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    SDL_VideoDisplay *display = &_this->displays[displayIndex];
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    SDL_DisplayMode *modes;
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    int i, nmodes;
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    /* Make sure we don't already have the mode in the list */
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    modes = display->display_modes;
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    nmodes = display->num_display_modes;
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    for (i = nmodes; i--;) {
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        if (SDL_memcmp(mode, &modes[i], sizeof(*mode)) == 0) {
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            return SDL_FALSE;
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        }
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    }
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    /* Go ahead and add the new mode */
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    if (nmodes == display->max_display_modes) {
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        modes =
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            SDL_realloc(modes,
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   388
                        (display->max_display_modes + 32) * sizeof(*modes));
slouken@1895
   389
        if (!modes) {
slouken@1895
   390
            return SDL_FALSE;
slouken@1895
   391
        }
slouken@1895
   392
        display->display_modes = modes;
slouken@1895
   393
        display->max_display_modes += 32;
slouken@1895
   394
    }
slouken@1895
   395
    modes[nmodes] = *mode;
slouken@1895
   396
    display->num_display_modes++;
icculus@650
   397
slouken@1895
   398
    return SDL_TRUE;
slouken@1895
   399
}
slouken@0
   400
slouken@1895
   401
int
slouken@1895
   402
SDL_GetNumDisplayModes()
slouken@1895
   403
{
slouken@1895
   404
    if (_this) {
slouken@1895
   405
        SDL_VideoDisplay *display = &SDL_CurrentDisplay;
slouken@1895
   406
        if (!display->num_display_modes && _this->GetDisplayModes) {
slouken@1895
   407
            _this->GetDisplayModes(_this);
slouken@1895
   408
            SDL_qsort(display->display_modes, display->num_display_modes,
slouken@1895
   409
                      sizeof(SDL_DisplayMode), cmpmodes);
slouken@1895
   410
        }
slouken@1895
   411
        return display->num_display_modes;
slouken@1895
   412
    }
slouken@1895
   413
    return 0;
slouken@1895
   414
}
slouken@1895
   415
slouken@1967
   416
int
slouken@1967
   417
SDL_GetDisplayMode(int index, SDL_DisplayMode * mode)
slouken@1895
   418
{
slouken@1895
   419
    if (index < 0 || index >= SDL_GetNumDisplayModes()) {
slouken@1895
   420
        SDL_SetError("index must be in the range of 0 - %d",
slouken@1895
   421
                     SDL_GetNumDisplayModes() - 1);
slouken@1967
   422
        return -1;
slouken@1895
   423
    }
slouken@1967
   424
    if (mode) {
slouken@1967
   425
        *mode = SDL_CurrentDisplay.display_modes[index];
slouken@1967
   426
    }
slouken@1967
   427
    return 0;
slouken@1895
   428
}
slouken@1895
   429
slouken@1967
   430
int
slouken@1967
   431
SDL_GetDesktopDisplayMode(SDL_DisplayMode * mode)
slouken@1895
   432
{
slouken@1967
   433
    if (!_this) {
slouken@1967
   434
        SDL_UninitializedVideo();
slouken@1967
   435
        return -1;
slouken@1895
   436
    }
slouken@1967
   437
    if (mode) {
slouken@1967
   438
        *mode = SDL_CurrentDisplay.desktop_mode;
slouken@1967
   439
    }
slouken@1967
   440
    return 0;
slouken@1895
   441
}
slouken@0
   442
slouken@1967
   443
int
slouken@1967
   444
SDL_GetCurrentDisplayMode(SDL_DisplayMode * mode)
slouken@1895
   445
{
slouken@1967
   446
    if (!_this) {
slouken@1967
   447
        SDL_UninitializedVideo();
slouken@1967
   448
        return -1;
slouken@1895
   449
    }
slouken@1967
   450
    if (mode) {
slouken@1967
   451
        *mode = SDL_CurrentDisplay.current_mode;
slouken@1967
   452
    }
slouken@1967
   453
    return 0;
slouken@1895
   454
}
slouken@1895
   455
slouken@1895
   456
SDL_DisplayMode *
slouken@1895
   457
SDL_GetClosestDisplayMode(const SDL_DisplayMode * mode,
slouken@1895
   458
                          SDL_DisplayMode * closest)
slouken@1895
   459
{
slouken@1895
   460
    Uint32 target_format;
slouken@1895
   461
    int target_refresh_rate;
slouken@1895
   462
    int i;
slouken@1895
   463
    SDL_DisplayMode *current, *match;
slouken@0
   464
slouken@1895
   465
    if (!_this || !mode || !closest) {
slouken@1895
   466
        return NULL;
slouken@1895
   467
    }
slouken@1895
   468
slouken@1895
   469
    /* Default to the desktop format */
slouken@1895
   470
    if (mode->format) {
slouken@1895
   471
        target_format = mode->format;
slouken@1895
   472
    } else {
slouken@1895
   473
        target_format = SDL_CurrentDisplay.desktop_mode.format;
slouken@1895
   474
    }
slouken@1895
   475
slouken@1895
   476
    /* Default to the desktop refresh rate */
slouken@1895
   477
    if (mode->refresh_rate) {
slouken@1895
   478
        target_refresh_rate = mode->refresh_rate;
slouken@1895
   479
    } else {
slouken@1895
   480
        target_refresh_rate = SDL_CurrentDisplay.desktop_mode.refresh_rate;
slouken@1895
   481
    }
slouken@1895
   482
slouken@1895
   483
    match = NULL;
slouken@1895
   484
    for (i = 0; i < SDL_GetNumDisplayModes(); ++i) {
slouken@1895
   485
        current = &SDL_CurrentDisplay.display_modes[i];
slouken@0
   486
slouken@1895
   487
        if ((current->w && current->h) &&
slouken@1895
   488
            (current->w < mode->w || current->h < mode->h)) {
slouken@1895
   489
            /* Out of sorted modes large enough here */
slouken@1895
   490
            break;
slouken@1895
   491
        }
slouken@1895
   492
        if (!match || current->w < match->w || current->h < match->h) {
slouken@1895
   493
            match = current;
slouken@1895
   494
            continue;
slouken@1895
   495
        }
slouken@1895
   496
        if (current->format != match->format) {
slouken@1895
   497
            /* Sorted highest depth to lowest */
slouken@1895
   498
            if (current->format == target_format ||
slouken@1895
   499
                (SDL_BITSPERPIXEL(current->format) >=
slouken@1895
   500
                 SDL_BITSPERPIXEL(target_format)
slouken@1895
   501
                 && SDL_PIXELTYPE(current->format) ==
slouken@1895
   502
                 SDL_PIXELTYPE(target_format))) {
slouken@1895
   503
                match = current;
slouken@1895
   504
            }
slouken@1895
   505
            continue;
slouken@1895
   506
        }
slouken@1895
   507
        if (current->refresh_rate != match->refresh_rate) {
slouken@1895
   508
            /* Sorted highest refresh to lowest */
slouken@1895
   509
            if (current->refresh_rate >= target_refresh_rate) {
slouken@1895
   510
                match = current;
slouken@1895
   511
            }
slouken@1895
   512
        }
slouken@1895
   513
    }
slouken@1895
   514
    if (match) {
slouken@1895
   515
        if (match->format) {
slouken@1895
   516
            closest->format = match->format;
slouken@1895
   517
        } else {
slouken@1895
   518
            closest->format = mode->format;
slouken@1895
   519
        }
slouken@1895
   520
        if (match->w && match->h) {
slouken@1895
   521
            closest->w = match->w;
slouken@1895
   522
            closest->h = match->h;
slouken@1895
   523
        } else {
slouken@1895
   524
            closest->w = mode->w;
slouken@1895
   525
            closest->h = mode->h;
slouken@1895
   526
        }
slouken@1895
   527
        if (match->refresh_rate) {
slouken@1895
   528
            closest->refresh_rate = match->refresh_rate;
slouken@1895
   529
        } else {
slouken@1895
   530
            closest->refresh_rate = mode->refresh_rate;
slouken@1895
   531
        }
slouken@1895
   532
        closest->driverdata = match->driverdata;
slouken@0
   533
slouken@1895
   534
        /* Pick some reasonable defaults if the app and driver don't care */
slouken@1895
   535
        if (!closest->format) {
slouken@1965
   536
            closest->format = SDL_PIXELFORMAT_RGB888;
slouken@1895
   537
        }
slouken@1895
   538
        if (!closest->w) {
slouken@1895
   539
            closest->w = 640;
slouken@1895
   540
        }
slouken@1895
   541
        if (!closest->h) {
slouken@1895
   542
            closest->h = 480;
slouken@1895
   543
        }
slouken@1895
   544
        return closest;
slouken@1895
   545
    }
slouken@1895
   546
    return NULL;
slouken@1895
   547
}
slouken@1895
   548
slouken@1895
   549
int
slouken@1895
   550
SDL_SetDisplayMode(const SDL_DisplayMode * mode)
slouken@1895
   551
{
slouken@1895
   552
    SDL_VideoDisplay *display;
slouken@1895
   553
    SDL_DisplayMode display_mode;
slouken@1967
   554
    SDL_DisplayMode current_mode;
slouken@1895
   555
    int i, ncolors;
slouken@1895
   556
slouken@1895
   557
    if (!_this) {
slouken@1912
   558
        SDL_UninitializedVideo();
slouken@1895
   559
        return -1;
slouken@1895
   560
    }
slouken@0
   561
slouken@1967
   562
    display = &SDL_CurrentDisplay;
slouken@1895
   563
    if (!mode) {
slouken@1967
   564
        mode = &display->desktop_mode;
slouken@1895
   565
    }
slouken@1895
   566
    display_mode = *mode;
slouken@1895
   567
slouken@1895
   568
    /* Default to the current mode */
slouken@1895
   569
    if (!display_mode.format) {
slouken@1895
   570
        display_mode.format = display->current_mode.format;
slouken@1895
   571
    }
slouken@1895
   572
    if (!display_mode.w) {
slouken@1895
   573
        display_mode.w = display->current_mode.w;
slouken@1895
   574
    }
slouken@1895
   575
    if (!display_mode.h) {
slouken@1895
   576
        display_mode.h = display->current_mode.h;
slouken@1895
   577
    }
slouken@1895
   578
    if (!display_mode.refresh_rate) {
slouken@1895
   579
        display_mode.refresh_rate = display->current_mode.refresh_rate;
slouken@1895
   580
    }
slouken@1895
   581
slouken@1895
   582
    /* Get a good video mode, the closest one possible */
slouken@1895
   583
    if (!SDL_GetClosestDisplayMode(&display_mode, &display_mode)) {
slouken@1895
   584
        SDL_SetError("No video mode large enough for %dx%d",
slouken@1895
   585
                     display_mode.w, display_mode.h);
slouken@1895
   586
        return -1;
slouken@1895
   587
    }
slouken@1895
   588
slouken@1895
   589
    /* See if there's anything left to do */
slouken@1967
   590
    SDL_GetCurrentDisplayMode(&current_mode);
slouken@1967
   591
    if (SDL_memcmp(&display_mode, &current_mode, sizeof(display_mode)) == 0) {
slouken@1895
   592
        return 0;
slouken@1895
   593
    }
slouken@0
   594
slouken@1895
   595
    /* Actually change the display mode */
slouken@1895
   596
    if (_this->SetDisplayMode(_this, &display_mode) < 0) {
slouken@1895
   597
        return -1;
slouken@1895
   598
    }
slouken@1895
   599
    display->current_mode = display_mode;
slouken@1895
   600
slouken@1895
   601
    /* Set up a palette, if necessary */
slouken@1895
   602
    if (SDL_ISPIXELFORMAT_INDEXED(display_mode.format)) {
slouken@1895
   603
        ncolors = (1 << SDL_BITSPERPIXEL(display_mode.format));
slouken@1895
   604
    } else {
slouken@1895
   605
        ncolors = 0;
slouken@1895
   606
    }
slouken@1895
   607
    if ((!ncolors && display->palette) || (ncolors && !display->palette)
slouken@1895
   608
        || (ncolors && ncolors != display->palette->ncolors)) {
slouken@1895
   609
        if (display->palette) {
slouken@1895
   610
            SDL_FreePalette(display->palette);
slouken@1895
   611
            display->palette = NULL;
slouken@1895
   612
        }
slouken@1895
   613
        if (ncolors) {
slouken@1895
   614
            display->palette = SDL_AllocPalette(ncolors);
slouken@1895
   615
            if (!display->palette) {
slouken@1895
   616
                return -1;
slouken@1895
   617
            }
slouken@1895
   618
            SDL_DitherColors(display->palette->colors,
slouken@1895
   619
                             SDL_BITSPERPIXEL(display_mode.format));
slouken@1895
   620
        }
slouken@1895
   621
    }
slouken@1895
   622
slouken@1895
   623
    /* Move any fullscreen windows into position */
slouken@1895
   624
    for (i = 0; i < display->num_windows; ++i) {
slouken@1895
   625
        SDL_Window *window = &display->windows[i];
slouken@1895
   626
        if (FULLSCREEN_VISIBLE(window)) {
slouken@1956
   627
            SDL_SetWindowPosition(window->id, SDL_WINDOWPOS_CENTERED,
slouken@1956
   628
                                  SDL_WINDOWPOS_CENTERED);
slouken@1895
   629
        }
slouken@1895
   630
    }
slouken@1895
   631
slouken@1895
   632
    return 0;
slouken@0
   633
}
slouken@0
   634
slouken@1895
   635
int
slouken@1895
   636
SDL_SetFullscreenDisplayMode(const SDL_DisplayMode * mode)
slouken@1895
   637
{
slouken@1895
   638
    SDL_VideoDisplay *display;
slouken@1970
   639
    SDL_DisplayMode fullscreen_mode;
slouken@1895
   640
    int i;
slouken@1895
   641
slouken@1895
   642
    if (!_this) {
slouken@1912
   643
        SDL_UninitializedVideo();
slouken@1895
   644
        return -1;
slouken@1895
   645
    }
slouken@1895
   646
slouken@1895
   647
    display = &SDL_CurrentDisplay;
slouken@1970
   648
    if (!mode) {
slouken@1970
   649
        mode = &display->desktop_mode;
slouken@1895
   650
    }
slouken@1895
   651
slouken@1970
   652
    SDL_GetClosestDisplayMode(mode, &fullscreen_mode);
slouken@1970
   653
    if (SDL_memcmp
slouken@1970
   654
        (&fullscreen_mode, &display->fullscreen_mode,
slouken@1970
   655
         sizeof(fullscreen_mode)) == 0) {
slouken@1970
   656
        /* Nothing to do... */
slouken@1970
   657
        return 0;
slouken@1970
   658
    }
slouken@1970
   659
    display->fullscreen_mode = fullscreen_mode;
slouken@1970
   660
slouken@1895
   661
    /* Actually set the mode if we have a fullscreen window visible */
slouken@1895
   662
    for (i = 0; i < display->num_windows; ++i) {
slouken@1895
   663
        SDL_Window *window = &display->windows[i];
slouken@1895
   664
        if (FULLSCREEN_VISIBLE(window)) {
slouken@1970
   665
            if (SDL_SetDisplayMode(&display->fullscreen_mode) < 0) {
slouken@1970
   666
                return -1;
slouken@1970
   667
            }
slouken@1970
   668
        }
slouken@1970
   669
        if (window->flags & SDL_WINDOW_FULLSCREEN) {
slouken@1970
   670
            SDL_OnWindowResized(window);
slouken@1895
   671
        }
slouken@1895
   672
    }
slouken@1895
   673
    return 0;
slouken@1895
   674
}
slouken@1895
   675
slouken@1967
   676
int
slouken@1967
   677
SDL_GetFullscreenDisplayMode(SDL_DisplayMode * mode)
slouken@1895
   678
{
slouken@1967
   679
    if (!_this) {
slouken@1967
   680
        SDL_UninitializedVideo();
slouken@1967
   681
        return -1;
slouken@1895
   682
    }
slouken@1967
   683
    if (mode) {
slouken@1970
   684
        *mode = SDL_CurrentDisplay.fullscreen_mode;
slouken@1967
   685
    }
slouken@1967
   686
    return 0;
slouken@1895
   687
}
slouken@1895
   688
slouken@1895
   689
int
slouken@1895
   690
SDL_SetDisplayPalette(const SDL_Color * colors, int firstcolor, int ncolors)
slouken@0
   691
{
slouken@1895
   692
    SDL_Palette *palette;
slouken@1895
   693
    int status = 0;
slouken@1895
   694
slouken@1895
   695
    if (!_this) {
slouken@1912
   696
        SDL_UninitializedVideo();
slouken@1895
   697
        return -1;
slouken@1895
   698
    }
slouken@1895
   699
    palette = SDL_CurrentDisplay.palette;
slouken@1895
   700
    if (!palette) {
slouken@1895
   701
        SDL_SetError("Display mode does not have a palette");
slouken@1895
   702
        return -1;
slouken@1895
   703
    }
slouken@1895
   704
slouken@1895
   705
    status = SDL_SetPaletteColors(palette, colors, firstcolor, ncolors);
slouken@1895
   706
slouken@1895
   707
    if (_this->SetDisplayPalette) {
slouken@1895
   708
        if (_this->SetDisplayPalette(_this, palette) < 0) {
slouken@1895
   709
            status = -1;
slouken@1895
   710
        }
slouken@1895
   711
    }
slouken@1895
   712
    return status;
slouken@1895
   713
}
slouken@1895
   714
slouken@1895
   715
int
slouken@1895
   716
SDL_GetDisplayPalette(SDL_Color * colors, int firstcolor, int ncolors)
slouken@1895
   717
{
slouken@1895
   718
    SDL_Palette *palette;
slouken@1895
   719
slouken@1895
   720
    if (!_this) {
slouken@1912
   721
        SDL_UninitializedVideo();
slouken@1895
   722
        return -1;
slouken@1895
   723
    }
slouken@1895
   724
slouken@1895
   725
    palette = SDL_CurrentDisplay.palette;
slouken@1895
   726
    if (!palette->ncolors) {
slouken@1895
   727
        SDL_SetError("Display mode does not have a palette");
slouken@1895
   728
        return -1;
slouken@1895
   729
    }
slouken@1895
   730
slouken@1895
   731
    if (firstcolor < 0 || (firstcolor + ncolors) > palette->ncolors) {
slouken@1895
   732
        SDL_SetError("Palette indices are out of range");
slouken@1895
   733
        return -1;
slouken@1895
   734
    }
slouken@1895
   735
slouken@1895
   736
    SDL_memcpy(colors, &palette->colors[firstcolor],
slouken@1895
   737
               ncolors * sizeof(*colors));
slouken@1895
   738
    return 0;
slouken@1895
   739
}
slouken@1895
   740
slouken@1895
   741
SDL_WindowID
slouken@1895
   742
SDL_CreateWindow(const char *title, int x, int y, int w, int h, Uint32 flags)
slouken@1895
   743
{
slouken@1895
   744
    const Uint32 allowed_flags = (SDL_WINDOW_FULLSCREEN |
slouken@1895
   745
                                  SDL_WINDOW_OPENGL |
slouken@1895
   746
                                  SDL_WINDOW_BORDERLESS |
slouken@1956
   747
                                  SDL_WINDOW_RESIZABLE);
slouken@1895
   748
    SDL_VideoDisplay *display;
slouken@1895
   749
    SDL_Window window;
slouken@1895
   750
    int num_windows;
slouken@1895
   751
    SDL_Window *windows;
slouken@1895
   752
slouken@1895
   753
    if (!_this) {
slouken@1912
   754
        SDL_UninitializedVideo();
slouken@1912
   755
        return 0;
slouken@1912
   756
    }
slouken@1912
   757
slouken@1912
   758
    if ((flags & SDL_WINDOW_OPENGL) && !_this->GL_CreateContext) {
slouken@1912
   759
        SDL_SetError("No OpenGL support in video driver");
slouken@1895
   760
        return 0;
slouken@1895
   761
    }
slouken@0
   762
slouken@1956
   763
    /* Fullscreen windows don't have any window decorations */
slouken@1956
   764
    if (flags & SDL_WINDOW_FULLSCREEN) {
slouken@1956
   765
        flags |= SDL_WINDOW_BORDERLESS;
slouken@1956
   766
        flags &= ~SDL_WINDOW_RESIZABLE;
slouken@1956
   767
    }
slouken@1956
   768
slouken@1895
   769
    SDL_zero(window);
slouken@1895
   770
    window.id = _this->next_object_id++;
slouken@1895
   771
    window.x = x;
slouken@1895
   772
    window.y = y;
slouken@1895
   773
    window.w = w;
slouken@1895
   774
    window.h = h;
slouken@1895
   775
    window.flags = (flags & allowed_flags);
slouken@1895
   776
    window.display = _this->current_display;
slouken@1895
   777
slouken@1895
   778
    if (_this->CreateWindow && _this->CreateWindow(_this, &window) < 0) {
slouken@1895
   779
        return 0;
slouken@1895
   780
    }
slouken@1895
   781
slouken@1895
   782
    display = &SDL_CurrentDisplay;
slouken@1895
   783
    num_windows = display->num_windows;
slouken@1895
   784
    windows =
slouken@1895
   785
        SDL_realloc(display->windows, (num_windows + 1) * sizeof(*windows));
slouken@1895
   786
    if (!windows) {
slouken@1895
   787
        if (_this->DestroyWindow) {
slouken@1895
   788
            _this->DestroyWindow(_this, &window);
slouken@1895
   789
        }
slouken@1895
   790
        return 0;
slouken@1895
   791
    }
slouken@1895
   792
    windows[num_windows] = window;
slouken@1895
   793
    display->windows = windows;
slouken@1895
   794
    display->num_windows++;
slouken@1895
   795
slouken@1956
   796
    if (title) {
slouken@1956
   797
        SDL_SetWindowTitle(window.id, title);
slouken@1956
   798
    }
slouken@1956
   799
    if (flags & SDL_WINDOW_MAXIMIZED) {
slouken@1956
   800
        SDL_MaximizeWindow(window.id);
slouken@1895
   801
    }
slouken@1956
   802
    if (flags & SDL_WINDOW_MINIMIZED) {
slouken@1956
   803
        SDL_MinimizeWindow(window.id);
slouken@1956
   804
    }
slouken@1956
   805
    if (flags & SDL_WINDOW_SHOWN) {
slouken@1956
   806
        SDL_ShowWindow(window.id);
slouken@1956
   807
    }
slouken@1956
   808
    if (flags & SDL_WINDOW_INPUT_GRABBED) {
slouken@1956
   809
        SDL_SetWindowGrab(window.id, 1);
slouken@1956
   810
    }
slouken@1895
   811
    return window.id;
slouken@1895
   812
}
slouken@1895
   813
slouken@1895
   814
SDL_WindowID
slouken@1895
   815
SDL_CreateWindowFrom(const void *data)
slouken@1895
   816
{
slouken@1895
   817
    SDL_VideoDisplay *display;
slouken@1895
   818
    SDL_Window window;
slouken@1895
   819
    int num_windows;
slouken@1895
   820
    SDL_Window *windows;
slouken@1895
   821
slouken@1895
   822
    if (!_this) {
slouken@1912
   823
        SDL_UninitializedVideo();
slouken@1895
   824
        return (0);
slouken@1895
   825
    }
slouken@1895
   826
slouken@1895
   827
    SDL_zero(window);
slouken@1895
   828
    window.id = _this->next_object_id++;
slouken@1895
   829
    window.display = _this->current_display;
slouken@1895
   830
slouken@1895
   831
    if (!_this->CreateWindowFrom ||
slouken@1895
   832
        _this->CreateWindowFrom(_this, &window, data) < 0) {
slouken@1895
   833
        return 0;
slouken@1895
   834
    }
slouken@1895
   835
slouken@1895
   836
    display = &SDL_CurrentDisplay;
slouken@1895
   837
    num_windows = display->num_windows;
slouken@1895
   838
    windows =
slouken@1895
   839
        SDL_realloc(display->windows, (num_windows + 1) * sizeof(*windows));
slouken@1895
   840
    if (!windows) {
slouken@1895
   841
        if (_this->DestroyWindow) {
slouken@1895
   842
            _this->DestroyWindow(_this, &window);
slouken@1895
   843
        }
slouken@1895
   844
        if (window.title) {
slouken@1895
   845
            SDL_free(window.title);
slouken@1895
   846
        }
slouken@1895
   847
        return 0;
slouken@1895
   848
    }
slouken@1895
   849
    windows[num_windows] = window;
slouken@1895
   850
    display->windows = windows;
slouken@1895
   851
    display->num_windows++;
slouken@1895
   852
slouken@1895
   853
    return window.id;
slouken@1895
   854
}
slouken@1895
   855
slouken@1924
   856
int
slouken@1928
   857
SDL_RecreateWindow(SDL_Window * window, Uint32 flags)
slouken@1924
   858
{
slouken@1956
   859
    char *title = window->title;
slouken@1956
   860
slouken@1928
   861
    if ((flags & SDL_WINDOW_OPENGL) && !_this->GL_CreateContext) {
slouken@1924
   862
        SDL_SetError("No OpenGL support in video driver");
slouken@1924
   863
        return -1;
slouken@1924
   864
    }
slouken@1956
   865
slouken@1924
   866
    if (_this->DestroyWindow) {
slouken@1924
   867
        _this->DestroyWindow(_this, window);
slouken@1924
   868
    }
slouken@1956
   869
slouken@1956
   870
    window->title = NULL;
slouken@1956
   871
    window->flags =
slouken@1956
   872
        (flags &
slouken@1956
   873
         ~(SDL_WINDOW_MAXIMIZED | SDL_WINDOW_MINIMIZED | SDL_WINDOW_SHOWN |
slouken@1956
   874
           SDL_WINDOW_INPUT_GRABBED));
slouken@1956
   875
slouken@1956
   876
    if (_this->CreateWindow && _this->CreateWindow(_this, window) < 0) {
slouken@1956
   877
        return -1;
slouken@1956
   878
    }
slouken@1956
   879
slouken@1956
   880
    if (title) {
slouken@1956
   881
        SDL_SetWindowTitle(window->id, title);
slouken@1956
   882
        SDL_free(title);
slouken@1956
   883
    }
slouken@1956
   884
    if (flags & SDL_WINDOW_MAXIMIZED) {
slouken@1956
   885
        SDL_MaximizeWindow(window->id);
slouken@1956
   886
    }
slouken@1956
   887
    if (flags & SDL_WINDOW_MINIMIZED) {
slouken@1956
   888
        SDL_MinimizeWindow(window->id);
slouken@1956
   889
    }
slouken@1956
   890
    if (flags & SDL_WINDOW_SHOWN) {
slouken@1956
   891
        SDL_ShowWindow(window->id);
slouken@1956
   892
    }
slouken@1956
   893
    if (flags & SDL_WINDOW_INPUT_GRABBED) {
slouken@1956
   894
        SDL_SetWindowGrab(window->id, 1);
slouken@1956
   895
    }
slouken@1956
   896
    return 0;
slouken@1924
   897
}
slouken@1924
   898
slouken@1895
   899
SDL_Window *
slouken@1895
   900
SDL_GetWindowFromID(SDL_WindowID windowID)
slouken@1895
   901
{
slouken@1895
   902
    int i, j;
slouken@1895
   903
slouken@1895
   904
    if (!_this) {
slouken@1912
   905
        SDL_UninitializedVideo();
slouken@1895
   906
        return NULL;
slouken@1895
   907
    }
slouken@1895
   908
slouken@1895
   909
    for (i = 0; i < _this->num_displays; ++i) {
slouken@1895
   910
        SDL_VideoDisplay *display = &_this->displays[i];
slouken@1895
   911
        for (j = 0; j < display->num_windows; ++j) {
slouken@1895
   912
            SDL_Window *window = &display->windows[j];
slouken@1895
   913
            if (window->id == windowID) {
slouken@1895
   914
                return window;
slouken@1895
   915
            }
slouken@1895
   916
        }
slouken@1895
   917
    }
slouken@1895
   918
    return NULL;
slouken@0
   919
}
slouken@0
   920
slouken@1895
   921
SDL_VideoDisplay *
slouken@1895
   922
SDL_GetDisplayFromWindow(SDL_Window * window)
slouken@1895
   923
{
slouken@1895
   924
    if (!_this) {
slouken@1912
   925
        SDL_UninitializedVideo();
slouken@1895
   926
        return NULL;
slouken@1895
   927
    }
slouken@1956
   928
    if (!window) {
slouken@1956
   929
        return NULL;
slouken@1956
   930
    }
slouken@1895
   931
    return &_this->displays[window->display];
slouken@1895
   932
}
slouken@1895
   933
slouken@1895
   934
Uint32
slouken@1895
   935
SDL_GetWindowFlags(SDL_WindowID windowID)
slouken@1895
   936
{
slouken@1895
   937
    SDL_Window *window = SDL_GetWindowFromID(windowID);
slouken@1895
   938
slouken@1895
   939
    if (!window) {
slouken@1895
   940
        return 0;
slouken@1895
   941
    }
slouken@1895
   942
    return window->flags;
slouken@1895
   943
}
slouken@1895
   944
slouken@1895
   945
void
slouken@1895
   946
SDL_SetWindowTitle(SDL_WindowID windowID, const char *title)
slouken@1895
   947
{
slouken@1895
   948
    SDL_Window *window = SDL_GetWindowFromID(windowID);
slouken@1956
   949
    const char *last_title;
slouken@1895
   950
slouken@1956
   951
    if (!window || title == window->title) {
slouken@1895
   952
        return;
slouken@1895
   953
    }
slouken@1956
   954
slouken@1895
   955
    if (window->title) {
slouken@1895
   956
        SDL_free(window->title);
slouken@1895
   957
    }
slouken@1956
   958
    if (title) {
slouken@1956
   959
        window->title = SDL_strdup(title);
slouken@1956
   960
    } else {
slouken@1956
   961
        window->title = NULL;
slouken@1956
   962
    }
slouken@1895
   963
slouken@1895
   964
    if (_this->SetWindowTitle) {
slouken@1895
   965
        _this->SetWindowTitle(_this, window);
slouken@1895
   966
    }
slouken@1895
   967
}
slouken@1895
   968
slouken@1895
   969
const char *
slouken@1895
   970
SDL_GetWindowTitle(SDL_WindowID windowID)
slouken@1895
   971
{
slouken@1895
   972
    SDL_Window *window = SDL_GetWindowFromID(windowID);
slouken@1895
   973
slouken@1895
   974
    if (!window) {
slouken@1895
   975
        return NULL;
slouken@1895
   976
    }
slouken@1895
   977
    return window->title;
slouken@1895
   978
}
slouken@1895
   979
slouken@1895
   980
void
slouken@1895
   981
SDL_SetWindowData(SDL_WindowID windowID, void *userdata)
slouken@0
   982
{
slouken@1895
   983
    SDL_Window *window = SDL_GetWindowFromID(windowID);
slouken@1895
   984
slouken@1895
   985
    if (!window) {
slouken@1895
   986
        return;
slouken@1895
   987
    }
slouken@1895
   988
    window->userdata = userdata;
slouken@1895
   989
}
slouken@1895
   990
slouken@1895
   991
void *
slouken@1895
   992
SDL_GetWindowData(SDL_WindowID windowID)
slouken@1895
   993
{
slouken@1895
   994
    SDL_Window *window = SDL_GetWindowFromID(windowID);
slouken@1895
   995
slouken@1895
   996
    if (!window) {
slouken@1895
   997
        return NULL;
slouken@1895
   998
    }
slouken@1895
   999
    return window->userdata;
slouken@1895
  1000
}
slouken@1895
  1001
slouken@1895
  1002
void
slouken@1895
  1003
SDL_SetWindowPosition(SDL_WindowID windowID, int x, int y)
slouken@1895
  1004
{
slouken@1895
  1005
    SDL_Window *window = SDL_GetWindowFromID(windowID);
slouken@1956
  1006
    SDL_VideoDisplay *display = SDL_GetDisplayFromWindow(window);
slouken@1895
  1007
slouken@1895
  1008
    if (!window) {
slouken@1895
  1009
        return;
slouken@1895
  1010
    }
slouken@0
  1011
slouken@1956
  1012
    if (x == SDL_WINDOWPOS_CENTERED) {
slouken@1956
  1013
        window->x = (display->current_mode.w - window->w) / 2;
slouken@1956
  1014
    } else if (x != SDL_WINDOWPOS_UNDEFINED) {
slouken@1895
  1015
        window->x = x;
slouken@1895
  1016
    }
slouken@1956
  1017
    if (y == SDL_WINDOWPOS_CENTERED) {
slouken@1956
  1018
        window->y = (display->current_mode.h - window->h) / 2;
slouken@1956
  1019
    } else if (y != SDL_WINDOWPOS_UNDEFINED) {
slouken@1895
  1020
        window->y = y;
slouken@1895
  1021
    }
slouken@1895
  1022
slouken@1895
  1023
    if (_this->SetWindowPosition) {
slouken@1895
  1024
        _this->SetWindowPosition(_this, window);
slouken@1895
  1025
    }
slouken@1895
  1026
}
slouken@1895
  1027
slouken@1895
  1028
void
slouken@1895
  1029
SDL_GetWindowPosition(SDL_WindowID windowID, int *x, int *y)
slouken@1895
  1030
{
slouken@1895
  1031
    SDL_Window *window = SDL_GetWindowFromID(windowID);
slouken@1895
  1032
slouken@1895
  1033
    if (!window) {
slouken@1895
  1034
        return;
slouken@1895
  1035
    }
slouken@1895
  1036
    if (x) {
slouken@1895
  1037
        *x = window->x;
slouken@1895
  1038
    }
slouken@1895
  1039
    if (y) {
slouken@1895
  1040
        *y = window->y;
slouken@1895
  1041
    }
slouken@1895
  1042
}
slouken@1895
  1043
slouken@1895
  1044
void
slouken@1895
  1045
SDL_SetWindowSize(SDL_WindowID windowID, int w, int h)
slouken@1895
  1046
{
slouken@1895
  1047
    SDL_Window *window = SDL_GetWindowFromID(windowID);
slouken@1895
  1048
slouken@1895
  1049
    if (!window) {
slouken@1895
  1050
        return;
slouken@1895
  1051
    }
slouken@0
  1052
slouken@1895
  1053
    window->w = w;
slouken@1895
  1054
    window->h = h;
slouken@1895
  1055
slouken@1895
  1056
    if (_this->SetWindowSize) {
slouken@1895
  1057
        _this->SetWindowSize(_this, window);
slouken@1895
  1058
    }
slouken@1895
  1059
}
slouken@1895
  1060
slouken@1895
  1061
void
slouken@1895
  1062
SDL_GetWindowSize(SDL_WindowID windowID, int *w, int *h)
slouken@1895
  1063
{
slouken@1895
  1064
    SDL_Window *window = SDL_GetWindowFromID(windowID);
slouken@1895
  1065
slouken@1895
  1066
    if (!window) {
slouken@1895
  1067
        return;
slouken@1895
  1068
    }
slouken@1895
  1069
    if (w) {
slouken@1895
  1070
        *w = window->w;
slouken@1895
  1071
    }
slouken@1895
  1072
    if (h) {
slouken@1895
  1073
        *h = window->h;
slouken@1895
  1074
    }
slouken@1895
  1075
}
slouken@1895
  1076
slouken@1895
  1077
void
slouken@1895
  1078
SDL_ShowWindow(SDL_WindowID windowID)
slouken@1895
  1079
{
slouken@1895
  1080
    SDL_Window *window = SDL_GetWindowFromID(windowID);
slouken@1895
  1081
slouken@1895
  1082
    if (!window || (window->flags & SDL_WINDOW_SHOWN)) {
slouken@1895
  1083
        return;
slouken@1895
  1084
    }
slouken@1895
  1085
slouken@1895
  1086
    SDL_SendWindowEvent(window->id, SDL_WINDOWEVENT_SHOWN, 0, 0);
slouken@1895
  1087
slouken@1895
  1088
    if (_this->ShowWindow) {
slouken@1895
  1089
        _this->ShowWindow(_this, window);
slouken@1895
  1090
    }
slouken@1895
  1091
}
slouken@1895
  1092
slouken@1895
  1093
void
slouken@1895
  1094
SDL_HideWindow(SDL_WindowID windowID)
slouken@1895
  1095
{
slouken@1895
  1096
    SDL_Window *window = SDL_GetWindowFromID(windowID);
slouken@1895
  1097
slouken@1895
  1098
    if (!window || !(window->flags & SDL_WINDOW_SHOWN)) {
slouken@1895
  1099
        return;
slouken@1895
  1100
    }
slouken@1895
  1101
slouken@1895
  1102
    SDL_SendWindowEvent(window->id, SDL_WINDOWEVENT_HIDDEN, 0, 0);
slouken@1895
  1103
slouken@1895
  1104
    if (_this->HideWindow) {
slouken@1895
  1105
        _this->HideWindow(_this, window);
slouken@1895
  1106
    }
slouken@1895
  1107
}
slouken@0
  1108
slouken@1895
  1109
void
slouken@1895
  1110
SDL_RaiseWindow(SDL_WindowID windowID)
slouken@1895
  1111
{
slouken@1895
  1112
    SDL_Window *window = SDL_GetWindowFromID(windowID);
slouken@1895
  1113
slouken@1956
  1114
    if (!window || !(window->flags & SDL_WINDOW_SHOWN)) {
slouken@1895
  1115
        return;
slouken@1895
  1116
    }
slouken@1895
  1117
slouken@1895
  1118
    if (_this->RaiseWindow) {
slouken@1895
  1119
        _this->RaiseWindow(_this, window);
slouken@1895
  1120
    }
slouken@1895
  1121
}
slouken@1895
  1122
slouken@1895
  1123
void
slouken@1895
  1124
SDL_MaximizeWindow(SDL_WindowID windowID)
slouken@1895
  1125
{
slouken@1895
  1126
    SDL_Window *window = SDL_GetWindowFromID(windowID);
slouken@1895
  1127
slouken@1895
  1128
    if (!window || (window->flags & SDL_WINDOW_MAXIMIZED)) {
slouken@1895
  1129
        return;
slouken@1895
  1130
    }
slouken@1895
  1131
slouken@1895
  1132
    SDL_SendWindowEvent(window->id, SDL_WINDOWEVENT_MAXIMIZED, 0, 0);
slouken@1895
  1133
slouken@1895
  1134
    if (_this->MaximizeWindow) {
slouken@1895
  1135
        _this->MaximizeWindow(_this, window);
slouken@1895
  1136
    }
slouken@1895
  1137
}
slouken@0
  1138
slouken@1895
  1139
void
slouken@1895
  1140
SDL_MinimizeWindow(SDL_WindowID windowID)
slouken@1895
  1141
{
slouken@1895
  1142
    SDL_Window *window = SDL_GetWindowFromID(windowID);
slouken@1895
  1143
slouken@1895
  1144
    if (!window || (window->flags & SDL_WINDOW_MINIMIZED)) {
slouken@1895
  1145
        return;
slouken@1895
  1146
    }
slouken@1895
  1147
slouken@1895
  1148
    SDL_SendWindowEvent(window->id, SDL_WINDOWEVENT_MINIMIZED, 0, 0);
slouken@1895
  1149
slouken@1895
  1150
    if (_this->MinimizeWindow) {
slouken@1895
  1151
        _this->MinimizeWindow(_this, window);
slouken@1895
  1152
    }
slouken@1895
  1153
}
slouken@1895
  1154
slouken@1895
  1155
void
slouken@1895
  1156
SDL_RestoreWindow(SDL_WindowID windowID)
slouken@1895
  1157
{
slouken@1895
  1158
    SDL_Window *window = SDL_GetWindowFromID(windowID);
slouken@1895
  1159
slouken@1895
  1160
    if (!window
slouken@1895
  1161
        || (window->flags & (SDL_WINDOW_MAXIMIZED | SDL_WINDOW_MINIMIZED))) {
slouken@1895
  1162
        return;
slouken@1895
  1163
    }
slouken@1895
  1164
slouken@1895
  1165
    SDL_SendWindowEvent(window->id, SDL_WINDOWEVENT_RESTORED, 0, 0);
slouken@1895
  1166
slouken@1895
  1167
    if (_this->RestoreWindow) {
slouken@1895
  1168
        _this->RestoreWindow(_this, window);
slouken@1895
  1169
    }
slouken@0
  1170
}
slouken@0
  1171
slouken@1895
  1172
int
slouken@1895
  1173
SDL_SetWindowFullscreen(SDL_WindowID windowID, int fullscreen)
slouken@0
  1174
{
slouken@1895
  1175
    SDL_Window *window = SDL_GetWindowFromID(windowID);
slouken@1895
  1176
slouken@1895
  1177
    if (!window) {
slouken@1895
  1178
        return -1;
slouken@1895
  1179
    }
slouken@1895
  1180
slouken@1895
  1181
    if (fullscreen) {
slouken@1895
  1182
        fullscreen = SDL_WINDOW_FULLSCREEN;
slouken@1895
  1183
    }
slouken@1895
  1184
    if ((window->flags & SDL_WINDOW_FULLSCREEN) == fullscreen) {
slouken@1895
  1185
        return 0;
slouken@1895
  1186
    }
slouken@1895
  1187
slouken@1895
  1188
    if (fullscreen) {
slouken@1895
  1189
        window->flags |= SDL_WINDOW_FULLSCREEN;
slouken@1895
  1190
slouken@1895
  1191
        if (FULLSCREEN_VISIBLE(window)) {
slouken@1895
  1192
            SDL_VideoDisplay *display = SDL_GetDisplayFromWindow(window);
slouken@1895
  1193
slouken@1895
  1194
            /* Hide any other fullscreen windows */
slouken@1895
  1195
            int i;
slouken@1895
  1196
            for (i = 0; i < display->num_windows; ++i) {
slouken@1895
  1197
                SDL_Window *other = &display->windows[i];
slouken@1895
  1198
                if (other->id != windowID && FULLSCREEN_VISIBLE(other)) {
slouken@1895
  1199
                    SDL_MinimizeWindow(other->id);
slouken@1895
  1200
                }
slouken@1895
  1201
            }
slouken@1895
  1202
slouken@1970
  1203
            SDL_SetDisplayMode(&display->fullscreen_mode);
slouken@1895
  1204
        }
slouken@1895
  1205
    } else {
slouken@1895
  1206
        window->flags &= ~SDL_WINDOW_FULLSCREEN;
slouken@1895
  1207
slouken@1895
  1208
        if (FULLSCREEN_VISIBLE(window)) {
slouken@1895
  1209
            SDL_SetDisplayMode(NULL);
slouken@1895
  1210
        }
slouken@1895
  1211
    }
slouken@1895
  1212
    return 0;
slouken@1895
  1213
}
slouken@1895
  1214
slouken@1895
  1215
void
slouken@1895
  1216
SDL_SetWindowGrab(SDL_WindowID windowID, int mode)
slouken@1895
  1217
{
slouken@1895
  1218
    SDL_Window *window = SDL_GetWindowFromID(windowID);
slouken@1895
  1219
slouken@1895
  1220
    if (!window || (!!mode == !!(window->flags & SDL_WINDOW_INPUT_GRABBED))) {
slouken@1895
  1221
        return;
slouken@1895
  1222
    }
slouken@0
  1223
slouken@1895
  1224
    if (mode) {
slouken@1895
  1225
        window->flags |= SDL_WINDOW_INPUT_GRABBED;
slouken@1895
  1226
    } else {
slouken@1895
  1227
        window->flags &= ~SDL_WINDOW_INPUT_GRABBED;
slouken@1895
  1228
    }
slouken@1895
  1229
slouken@1895
  1230
    if ((window->flags & SDL_WINDOW_INPUT_FOCUS) && _this->SetWindowGrab) {
slouken@1895
  1231
        _this->SetWindowGrab(_this, window);
slouken@1895
  1232
    }
slouken@1895
  1233
}
slouken@1895
  1234
slouken@1895
  1235
int
slouken@1895
  1236
SDL_GetWindowGrab(SDL_WindowID windowID)
slouken@1895
  1237
{
slouken@1895
  1238
    SDL_Window *window = SDL_GetWindowFromID(windowID);
slouken@1895
  1239
slouken@1895
  1240
    if (!window) {
slouken@1895
  1241
        return 0;
slouken@1895
  1242
    }
slouken@1895
  1243
slouken@1895
  1244
    return ((window->flags & SDL_WINDOW_INPUT_GRABBED) != 0);
slouken@1895
  1245
}
slouken@0
  1246
slouken@1895
  1247
void
slouken@1895
  1248
SDL_OnWindowShown(SDL_Window * window)
slouken@1895
  1249
{
slouken@1895
  1250
}
slouken@1895
  1251
slouken@1895
  1252
void
slouken@1895
  1253
SDL_OnWindowHidden(SDL_Window * window)
slouken@1895
  1254
{
slouken@0
  1255
}
slouken@1895
  1256
slouken@1895
  1257
void
slouken@1970
  1258
SDL_OnWindowResized(SDL_Window * window)
slouken@1970
  1259
{
slouken@1970
  1260
    SDL_Renderer *renderer = window->renderer;
slouken@1970
  1261
slouken@1970
  1262
    if (renderer && renderer->DisplayModeChanged) {
slouken@1970
  1263
        renderer->DisplayModeChanged(renderer);
slouken@1970
  1264
    }
slouken@1970
  1265
}
slouken@1970
  1266
slouken@1970
  1267
void
slouken@1895
  1268
SDL_OnWindowFocusGained(SDL_Window * window)
slouken@0
  1269
{
slouken@1895
  1270
    SDL_VideoDisplay *display = SDL_GetDisplayFromWindow(window);
slouken@1895
  1271
slouken@1895
  1272
    if (window->flags & SDL_WINDOW_FULLSCREEN) {
slouken@1970
  1273
        SDL_SetDisplayMode(&display->fullscreen_mode);
slouken@1895
  1274
    }
slouken@1895
  1275
    if (display->gamma && _this->SetDisplayGammaRamp) {
slouken@1895
  1276
        _this->SetDisplayGammaRamp(_this, display->gamma);
slouken@1895
  1277
    }
slouken@1895
  1278
    if ((window->flags & SDL_WINDOW_INPUT_GRABBED) && _this->SetWindowGrab) {
slouken@1895
  1279
        _this->SetWindowGrab(_this, window);
slouken@1895
  1280
    }
slouken@1895
  1281
}
slouken@1895
  1282
slouken@1895
  1283
void
slouken@1895
  1284
SDL_OnWindowFocusLost(SDL_Window * window)
slouken@1895
  1285
{
slouken@1895
  1286
    SDL_VideoDisplay *display = SDL_GetDisplayFromWindow(window);
slouken@0
  1287
slouken@1895
  1288
    if (window->flags & SDL_WINDOW_FULLSCREEN) {
slouken@1895
  1289
        SDL_MinimizeWindow(window->id);
slouken@1895
  1290
        SDL_SetDisplayMode(NULL);
slouken@1895
  1291
    }
slouken@1895
  1292
    if (display->gamma && _this->SetDisplayGammaRamp) {
slouken@1895
  1293
        _this->SetDisplayGammaRamp(_this, display->saved_gamma);
slouken@1895
  1294
    }
slouken@1895
  1295
    if ((window->flags & SDL_WINDOW_INPUT_GRABBED) && _this->SetWindowGrab) {
slouken@1895
  1296
        _this->SetWindowGrab(_this, window);
slouken@1895
  1297
    }
slouken@1895
  1298
}
slouken@1895
  1299
slouken@1895
  1300
SDL_WindowID
slouken@1895
  1301
SDL_GetFocusWindow(void)
slouken@1895
  1302
{
slouken@1895
  1303
    SDL_VideoDisplay *display;
slouken@1895
  1304
    int i;
slouken@1895
  1305
slouken@1895
  1306
    if (!_this) {
slouken@1895
  1307
        return 0;
slouken@1895
  1308
    }
slouken@1895
  1309
slouken@1895
  1310
    display = &SDL_CurrentDisplay;
slouken@1895
  1311
    for (i = 0; i < display->num_windows; ++i) {
slouken@1895
  1312
        SDL_Window *window = &display->windows[i];
slouken@1895
  1313
slouken@1895
  1314
        if (window->flags & SDL_WINDOW_INPUT_FOCUS) {
slouken@1895
  1315
            return window->id;
slouken@1895
  1316
        }
slouken@1895
  1317
    }
slouken@1895
  1318
    return 0;
slouken@1895
  1319
}
slouken@1895
  1320
slouken@1895
  1321
void
slouken@1895
  1322
SDL_DestroyWindow(SDL_WindowID windowID)
slouken@1895
  1323
{
slouken@1895
  1324
    int i, j;
slouken@1895
  1325
slouken@1895
  1326
    if (!_this) {
slouken@1895
  1327
        return;
slouken@1895
  1328
    }
slouken@1895
  1329
slouken@1895
  1330
    /* Restore video mode, etc. */
slouken@1895
  1331
    SDL_SendWindowEvent(windowID, SDL_WINDOWEVENT_FOCUS_LOST, 0, 0);
slouken@0
  1332
slouken@1895
  1333
    for (i = 0; i < _this->num_displays; ++i) {
slouken@1895
  1334
        SDL_VideoDisplay *display = &_this->displays[i];
slouken@1895
  1335
        for (j = 0; j < display->num_windows; ++j) {
slouken@1895
  1336
            SDL_Window *window = &display->windows[j];
slouken@1895
  1337
            if (window->id != windowID) {
slouken@1895
  1338
                continue;
slouken@1895
  1339
            }
slouken@1895
  1340
            if (window->renderer) {
slouken@1895
  1341
                SDL_DestroyRenderer(window->id);
slouken@1895
  1342
            }
slouken@1895
  1343
            if (_this->DestroyWindow) {
slouken@1895
  1344
                _this->DestroyWindow(_this, window);
slouken@1895
  1345
            }
slouken@1895
  1346
            if (window->title) {
slouken@1895
  1347
                SDL_free(window->title);
slouken@1895
  1348
            }
slouken@1895
  1349
            if (j != display->num_windows - 1) {
slouken@1895
  1350
                SDL_memcpy(&display->windows[i],
slouken@1895
  1351
                           &display->windows[i + 1],
slouken@1895
  1352
                           (display->num_windows - i - 1) * sizeof(*window));
slouken@1895
  1353
            }
slouken@1895
  1354
            --display->num_windows;
slouken@1895
  1355
            return;
slouken@1895
  1356
        }
slouken@1895
  1357
    }
slouken@1895
  1358
}
slouken@1895
  1359
slouken@1895
  1360
void
slouken@1895
  1361
SDL_AddRenderDriver(int displayIndex, const SDL_RenderDriver * driver)
slouken@1895
  1362
{
slouken@1895
  1363
    SDL_VideoDisplay *display = &_this->displays[displayIndex];
slouken@1895
  1364
    SDL_RenderDriver *render_drivers;
slouken@1895
  1365
slouken@1895
  1366
    render_drivers =
slouken@1895
  1367
        SDL_realloc(display->render_drivers,
slouken@1895
  1368
                    (display->num_render_drivers +
slouken@1895
  1369
                     1) * sizeof(*render_drivers));
slouken@1895
  1370
    if (render_drivers) {
slouken@1895
  1371
        render_drivers[display->num_render_drivers] = *driver;
slouken@1895
  1372
        display->render_drivers = render_drivers;
slouken@1895
  1373
        display->num_render_drivers++;
slouken@1895
  1374
    }
slouken@1895
  1375
}
slouken@1895
  1376
slouken@1895
  1377
int
slouken@1969
  1378
SDL_GetNumRenderDrivers(void)
slouken@1895
  1379
{
slouken@1895
  1380
    if (_this) {
slouken@1895
  1381
        return SDL_CurrentDisplay.num_render_drivers;
slouken@1895
  1382
    }
slouken@1895
  1383
    return 0;
slouken@1895
  1384
}
slouken@1895
  1385
slouken@1895
  1386
int
slouken@1969
  1387
SDL_GetRenderDriverInfo(int index, SDL_RendererInfo * info)
slouken@1895
  1388
{
slouken@1907
  1389
    if (!_this) {
slouken@1912
  1390
        SDL_UninitializedVideo();
slouken@1907
  1391
        return -1;
slouken@1907
  1392
    }
slouken@1907
  1393
slouken@1969
  1394
    if (index < 0 || index >= SDL_GetNumRenderDrivers()) {
slouken@1895
  1395
        SDL_SetError("index must be in the range of 0 - %d",
slouken@1969
  1396
                     SDL_GetNumRenderDrivers() - 1);
slouken@1895
  1397
        return -1;
slouken@1895
  1398
    }
slouken@1969
  1399
    *info = SDL_CurrentDisplay.render_drivers[index].info;
slouken@1895
  1400
    return 0;
slouken@0
  1401
}
slouken@0
  1402
slouken@1895
  1403
int
slouken@1895
  1404
SDL_CreateRenderer(SDL_WindowID windowID, int index, Uint32 flags)
slouken@0
  1405
{
slouken@1895
  1406
    SDL_Window *window = SDL_GetWindowFromID(windowID);
slouken@1895
  1407
slouken@1895
  1408
    if (!window) {
slouken@1895
  1409
        return 0;
slouken@1895
  1410
    }
slouken@1895
  1411
slouken@1895
  1412
    if (index < 0) {
slouken@1905
  1413
        const char *override = SDL_getenv("SDL_VIDEO_RENDERER");
slouken@1969
  1414
        int n = SDL_GetNumRenderDrivers();
slouken@1895
  1415
        for (index = 0; index < n; ++index) {
slouken@1895
  1416
            SDL_RenderDriver *driver =
slouken@1895
  1417
                &SDL_CurrentDisplay.render_drivers[index];
slouken@1895
  1418
slouken@1905
  1419
            if (override) {
slouken@1905
  1420
                if (SDL_strcasecmp(override, driver->info.name) == 0) {
slouken@1905
  1421
                    break;
slouken@1905
  1422
                }
slouken@1905
  1423
            } else {
slouken@1905
  1424
                if ((driver->info.flags & flags) == flags) {
slouken@1905
  1425
                    break;
slouken@1905
  1426
                }
slouken@1895
  1427
            }
slouken@1895
  1428
        }
slouken@1895
  1429
        if (index == n) {
slouken@1895
  1430
            SDL_SetError("Couldn't find matching render driver");
slouken@1895
  1431
            return -1;
slouken@1895
  1432
        }
slouken@1895
  1433
    }
slouken@1895
  1434
slouken@1969
  1435
    if (index >= SDL_GetNumRenderDrivers()) {
slouken@1895
  1436
        SDL_SetError("index must be -1 or in the range of 0 - %d",
slouken@1969
  1437
                     SDL_GetNumRenderDrivers() - 1);
slouken@1895
  1438
        return -1;
slouken@1895
  1439
    }
slouken@1895
  1440
slouken@1895
  1441
    /* Free any existing renderer */
slouken@1895
  1442
    SDL_DestroyRenderer(windowID);
slouken@1895
  1443
slouken@1895
  1444
    /* Create a new renderer instance */
slouken@1895
  1445
    window->renderer =
slouken@1895
  1446
        SDL_CurrentDisplay.render_drivers[index].CreateRenderer(window,
slouken@1895
  1447
                                                                flags);
slouken@1923
  1448
    SDL_SelectRenderer(window->id);
slouken@1895
  1449
slouken@1895
  1450
    return 0;
slouken@1895
  1451
}
slouken@0
  1452
slouken@1895
  1453
int
slouken@1895
  1454
SDL_SelectRenderer(SDL_WindowID windowID)
slouken@1895
  1455
{
slouken@1895
  1456
    SDL_Window *window = SDL_GetWindowFromID(windowID);
slouken@1923
  1457
    SDL_Renderer *renderer;
slouken@1895
  1458
slouken@1895
  1459
    if (!window || !window->renderer) {
slouken@1895
  1460
        return -1;
slouken@1895
  1461
    }
slouken@1923
  1462
    renderer = window->renderer;
slouken@1923
  1463
    if (renderer && renderer->ActivateRenderer) {
slouken@1923
  1464
        if (renderer->ActivateRenderer(renderer) < 0) {
slouken@1923
  1465
            return -1;
slouken@1923
  1466
        }
slouken@1923
  1467
    }
slouken@1923
  1468
    SDL_CurrentDisplay.current_renderer = renderer;
slouken@1895
  1469
    return 0;
slouken@1895
  1470
}
slouken@1895
  1471
slouken@1969
  1472
int
slouken@1969
  1473
SDL_GetRendererInfo(SDL_RendererInfo * info)
slouken@1969
  1474
{
slouken@1969
  1475
    if (!_this) {
slouken@1969
  1476
        SDL_UninitializedVideo();
slouken@1969
  1477
        return -1;
slouken@1969
  1478
    }
slouken@1969
  1479
slouken@1969
  1480
    if (!SDL_CurrentDisplay.current_renderer) {
slouken@1969
  1481
        SDL_SetError("There is no current renderer");
slouken@1969
  1482
        return -1;
slouken@1969
  1483
    }
slouken@1969
  1484
    *info = SDL_CurrentDisplay.current_renderer->info;
slouken@1969
  1485
    return 0;
slouken@1969
  1486
}
slouken@1969
  1487
slouken@1895
  1488
SDL_TextureID
slouken@1895
  1489
SDL_CreateTexture(Uint32 format, int access, int w, int h)
slouken@1895
  1490
{
slouken@1895
  1491
    int hash;
slouken@1895
  1492
    SDL_Renderer *renderer;
slouken@1895
  1493
    SDL_Texture *texture;
slouken@1895
  1494
slouken@1895
  1495
    if (!_this) {
slouken@1912
  1496
        SDL_UninitializedVideo();
slouken@1895
  1497
        return 0;
slouken@1895
  1498
    }
slouken@0
  1499
slouken@1895
  1500
    renderer = SDL_CurrentDisplay.current_renderer;
slouken@1895
  1501
    if (!renderer || !renderer->CreateTexture) {
slouken@1895
  1502
        return 0;
slouken@1895
  1503
    }
slouken@1895
  1504
slouken@1920
  1505
    texture = (SDL_Texture *) SDL_calloc(1, sizeof(*texture));
slouken@1895
  1506
    if (!texture) {
slouken@1895
  1507
        SDL_OutOfMemory();
slouken@1895
  1508
        return 0;
slouken@1895
  1509
    }
slouken@1895
  1510
slouken@1895
  1511
    texture->id = _this->next_object_id++;
slouken@1895
  1512
    texture->format = format;
slouken@1895
  1513
    texture->access = access;
slouken@1895
  1514
    texture->w = w;
slouken@1895
  1515
    texture->h = h;
slouken@1895
  1516
    texture->renderer = renderer;
slouken@1895
  1517
slouken@1895
  1518
    if (renderer->CreateTexture(renderer, texture) < 0) {
slouken@1924
  1519
        if (renderer->DestroyTexture) {
slouken@1924
  1520
            renderer->DestroyTexture(renderer, texture);
slouken@1924
  1521
        }
slouken@1895
  1522
        SDL_free(texture);
slouken@1895
  1523
        return 0;
slouken@1895
  1524
    }
slouken@1895
  1525
slouken@1895
  1526
    hash = (texture->id % SDL_arraysize(SDL_CurrentDisplay.textures));
slouken@1895
  1527
    texture->next = SDL_CurrentDisplay.textures[hash];
slouken@1895
  1528
    SDL_CurrentDisplay.textures[hash] = texture;
slouken@1895
  1529
slouken@1895
  1530
    return texture->id;
slouken@0
  1531
}
slouken@0
  1532
slouken@1895
  1533
SDL_TextureID
slouken@1895
  1534
SDL_CreateTextureFromSurface(Uint32 format, int access, SDL_Surface * surface)
slouken@0
  1535
{
slouken@1895
  1536
    SDL_TextureID textureID;
slouken@1895
  1537
    Uint32 surface_flags = surface->flags;
slouken@1895
  1538
    SDL_PixelFormat *fmt = surface->format;
slouken@1895
  1539
    Uint8 alpha;
slouken@1895
  1540
    SDL_Rect bounds;
slouken@1895
  1541
    SDL_Surface dst;
slouken@1895
  1542
    int bpp;
slouken@1895
  1543
    Uint32 Rmask, Gmask, Bmask, Amask;
slouken@1895
  1544
slouken@1895
  1545
    if (!surface) {
slouken@1895
  1546
        SDL_SetError("SDL_CreateTextureFromSurface() passed NULL surface");
slouken@1895
  1547
        return 0;
slouken@1895
  1548
    }
slouken@0
  1549
slouken@1895
  1550
    if (format) {
slouken@1895
  1551
        if (!SDL_PixelFormatEnumToMasks
slouken@1895
  1552
            (format, &bpp, &Rmask, &Gmask, &Bmask, &Amask)) {
slouken@1895
  1553
            SDL_SetError("Unknown pixel format");
slouken@1895
  1554
            return 0;
slouken@1895
  1555
        }
slouken@1895
  1556
    } else {
slouken@1895
  1557
        if (fmt->Amask || !(surface_flags & (SDL_SRCCOLORKEY | SDL_SRCALPHA))) {
slouken@1895
  1558
            bpp = fmt->BitsPerPixel;
slouken@1895
  1559
            Rmask = fmt->Rmask;
slouken@1895
  1560
            Gmask = fmt->Gmask;
slouken@1895
  1561
            Bmask = fmt->Bmask;
slouken@1895
  1562
            Amask = fmt->Amask;
slouken@1895
  1563
        } else {
slouken@1895
  1564
            /* Need a format with alpha */
slouken@1895
  1565
            bpp = 32;
slouken@1895
  1566
            Rmask = 0x00FF0000;
slouken@1895
  1567
            Gmask = 0x0000FF00;
slouken@1895
  1568
            Bmask = 0x000000FF;
slouken@1895
  1569
            Amask = 0xFF000000;
slouken@1895
  1570
        }
slouken@1895
  1571
        format = SDL_MasksToPixelFormatEnum(bpp, Rmask, Gmask, Bmask, Amask);
slouken@1895
  1572
        if (!format) {
slouken@1895
  1573
            SDL_SetError("Unknown pixel format");
slouken@1895
  1574
            return 0;
slouken@1895
  1575
        }
slouken@1895
  1576
    }
slouken@1895
  1577
slouken@1895
  1578
    textureID = SDL_CreateTexture(format, access, surface->w, surface->h);
slouken@1895
  1579
    if (!textureID) {
slouken@1895
  1580
        return 0;
slouken@1895
  1581
    }
slouken@0
  1582
slouken@1895
  1583
    /* Set up a destination surface for the texture update */
slouken@1895
  1584
    SDL_zero(dst);
slouken@1895
  1585
    dst.format = SDL_AllocFormat(bpp, Rmask, Gmask, Bmask, Amask);
slouken@1895
  1586
    if (!dst.format) {
slouken@1895
  1587
        SDL_DestroyTexture(textureID);
slouken@1895
  1588
        return 0;
slouken@1895
  1589
    }
slouken@1895
  1590
    dst.w = surface->w;
slouken@1895
  1591
    dst.h = surface->h;
slouken@1895
  1592
    if (SDL_LockTexture(textureID, NULL, 1, &dst.pixels, &dst.pitch) == 0) {
slouken@1895
  1593
        dst.flags |= SDL_PREALLOC;
slouken@1895
  1594
    } else {
slouken@1895
  1595
        dst.pitch = SDL_CalculatePitch(&dst);
slouken@1895
  1596
        dst.pixels = SDL_malloc(dst.h * dst.pitch);
slouken@1895
  1597
        if (!dst.pixels) {
slouken@1895
  1598
            SDL_DestroyTexture(textureID);
slouken@1895
  1599
            SDL_FreeFormat(dst.format);
slouken@1895
  1600
            SDL_OutOfMemory();
slouken@1895
  1601
            return 0;
slouken@1895
  1602
        }
slouken@1895
  1603
    }
slouken@1895
  1604
slouken@1895
  1605
    /* Copy the palette if any */
slouken@1895
  1606
    if (SDL_ISPIXELFORMAT_INDEXED(format)) {
slouken@1895
  1607
        if (fmt->palette) {
slouken@1895
  1608
            SDL_SetTexturePalette(textureID, fmt->palette->colors, 0,
slouken@1895
  1609
                                  fmt->palette->ncolors);
slouken@1895
  1610
            SDL_SetSurfacePalette(&dst, fmt->palette);
slouken@1895
  1611
        } else {
slouken@1895
  1612
            dst.format->palette =
slouken@1895
  1613
                SDL_AllocPalette((1 << SDL_BITSPERPIXEL(format)));
slouken@1895
  1614
            if (!dst.format->palette) {
slouken@1895
  1615
                SDL_DestroyTexture(textureID);
slouken@1895
  1616
                SDL_FreeFormat(dst.format);
slouken@1895
  1617
                return 0;
slouken@1895
  1618
            }
slouken@1895
  1619
            SDL_DitherColors(dst.format->palette->colors,
slouken@1895
  1620
                             SDL_BITSPERPIXEL(format));
slouken@1895
  1621
        }
slouken@1895
  1622
    }
slouken@1895
  1623
slouken@1895
  1624
    /* Make the texture transparent if the surface has colorkey */
slouken@1895
  1625
    if (surface_flags & SDL_SRCCOLORKEY) {
slouken@1895
  1626
        int row;
slouken@1895
  1627
        int length = dst.w * dst.format->BytesPerPixel;
slouken@1895
  1628
        Uint8 *p = (Uint8 *) dst.pixels;
slouken@1895
  1629
        for (row = 0; row < dst.h; ++row) {
slouken@1895
  1630
            SDL_memset(p, 0, length);
slouken@1895
  1631
            p += dst.pitch;
slouken@1895
  1632
        }
slouken@1895
  1633
    }
slouken@1895
  1634
slouken@1895
  1635
    /* Copy over the alpha channel */
slouken@1895
  1636
    if (surface_flags & SDL_SRCALPHA) {
slouken@1895
  1637
        if (fmt->Amask) {
slouken@1895
  1638
            surface->flags &= ~SDL_SRCALPHA;
slouken@1895
  1639
        } else {
slouken@1895
  1640
            /* FIXME: Need to make sure the texture has an alpha channel
slouken@1895
  1641
             *        and copy 'alpha' into the texture alpha channel.
slouken@1895
  1642
             */
slouken@1895
  1643
            alpha = surface->format->alpha;
slouken@1895
  1644
            SDL_SetAlpha(surface, 0, 0);
slouken@1895
  1645
        }
slouken@1895
  1646
    }
slouken@1895
  1647
slouken@1895
  1648
    /* Copy over the image data */
slouken@1895
  1649
    bounds.x = 0;
slouken@1895
  1650
    bounds.y = 0;
slouken@1895
  1651
    bounds.w = surface->w;
slouken@1895
  1652
    bounds.h = surface->h;
slouken@1895
  1653
    SDL_LowerBlit(surface, &bounds, &dst, &bounds);
slouken@1895
  1654
slouken@1895
  1655
    /* Clean up the original surface */
slouken@1895
  1656
    if ((surface_flags & SDL_SRCALPHA) == SDL_SRCALPHA) {
slouken@1895
  1657
        Uint32 aflags = surface_flags & (SDL_SRCALPHA | SDL_RLEACCELOK);
slouken@1895
  1658
        if (fmt->Amask) {
slouken@1895
  1659
            surface->flags |= SDL_SRCALPHA;
slouken@1895
  1660
        } else {
slouken@1895
  1661
            SDL_SetAlpha(surface, aflags, alpha);
slouken@1895
  1662
        }
slouken@1895
  1663
    }
slouken@1895
  1664
slouken@1895
  1665
    /* Update the texture */
slouken@1895
  1666
    if (dst.flags & SDL_PREALLOC) {
slouken@1895
  1667
        SDL_UnlockTexture(textureID);
slouken@1895
  1668
    } else {
slouken@1895
  1669
        SDL_UpdateTexture(textureID, NULL, dst.pixels, dst.pitch);
slouken@1895
  1670
        SDL_free(dst.pixels);
slouken@1895
  1671
    }
slouken@1895
  1672
    SDL_FreeFormat(dst.format);
slouken@1895
  1673
slouken@1895
  1674
    return textureID;
slouken@0
  1675
}
slouken@0
  1676
slouken@1895
  1677
static __inline__ SDL_Texture *
slouken@1895
  1678
SDL_GetTextureFromID(SDL_TextureID textureID)
slouken@1895
  1679
{
slouken@1895
  1680
    int hash;
slouken@1895
  1681
    SDL_Texture *texture;
slouken@1895
  1682
slouken@1895
  1683
    if (!_this) {
slouken@1895
  1684
        return NULL;
slouken@1895
  1685
    }
slouken@1895
  1686
slouken@1895
  1687
    hash = (textureID % SDL_arraysize(SDL_CurrentDisplay.textures));
slouken@1895
  1688
    for (texture = SDL_CurrentDisplay.textures[hash]; texture;
slouken@1895
  1689
         texture = texture->next) {
slouken@1895
  1690
        if (texture->id == textureID) {
slouken@1895
  1691
            return texture;
slouken@1895
  1692
        }
slouken@1895
  1693
    }
slouken@1895
  1694
    return NULL;
slouken@1895
  1695
}
slouken@1895
  1696
slouken@1895
  1697
int
slouken@1895
  1698
SDL_QueryTexture(SDL_TextureID textureID, Uint32 * format, int *access,
slouken@1895
  1699
                 int *w, int *h)
slouken@1895
  1700
{
slouken@1895
  1701
    SDL_Texture *texture = SDL_GetTextureFromID(textureID);
slouken@1895
  1702
slouken@1895
  1703
    if (!texture) {
slouken@1895
  1704
        return -1;
slouken@1895
  1705
    }
slouken@1895
  1706
slouken@1895
  1707
    if (format) {
slouken@1895
  1708
        *format = texture->format;
slouken@1895
  1709
    }
slouken@1895
  1710
    if (access) {
slouken@1895
  1711
        *access = texture->access;
slouken@1895
  1712
    }
slouken@1895
  1713
    if (w) {
slouken@1895
  1714
        *w = texture->w;
slouken@1895
  1715
    }
slouken@1895
  1716
    if (h) {
slouken@1895
  1717
        *h = texture->h;
slouken@1895
  1718
    }
slouken@1895
  1719
    return 0;
slouken@1895
  1720
}
slouken@1895
  1721
slouken@1895
  1722
int
slouken@1895
  1723
SDL_QueryTexturePixels(SDL_TextureID textureID, void **pixels, int *pitch)
slouken@0
  1724
{
slouken@1895
  1725
    SDL_Texture *texture = SDL_GetTextureFromID(textureID);
slouken@1895
  1726
    SDL_Renderer *renderer;
slouken@1895
  1727
slouken@1895
  1728
    if (!texture) {
slouken@1895
  1729
        return -1;
slouken@1895
  1730
    }
slouken@1895
  1731
slouken@1895
  1732
    renderer = texture->renderer;
slouken@1895
  1733
    if (!renderer->QueryTexturePixels) {
slouken@1895
  1734
        return -1;
slouken@1895
  1735
    }
slouken@1895
  1736
    return renderer->QueryTexturePixels(renderer, texture, pixels, pitch);
slouken@1895
  1737
}
slouken@1895
  1738
slouken@1895
  1739
int
slouken@1895
  1740
SDL_SetTexturePalette(SDL_TextureID textureID, const SDL_Color * colors,
slouken@1895
  1741
                      int firstcolor, int ncolors)
slouken@1895
  1742
{
slouken@1895
  1743
    SDL_Texture *texture = SDL_GetTextureFromID(textureID);
slouken@1895
  1744
    SDL_Renderer *renderer;
slouken@1895
  1745
slouken@1895
  1746
    if (!texture) {
slouken@1895
  1747
        return -1;
slouken@1895
  1748
    }
slouken@1895
  1749
slouken@1895
  1750
    renderer = texture->renderer;
slouken@1895
  1751
    if (!renderer->SetTexturePalette) {
slouken@1895
  1752
        return -1;
slouken@1895
  1753
    }
slouken@1895
  1754
    return renderer->SetTexturePalette(renderer, texture, colors, firstcolor,
slouken@1895
  1755
                                       ncolors);
slouken@1895
  1756
}
slouken@1895
  1757
slouken@1895
  1758
int
slouken@1895
  1759
SDL_GetTexturePalette(SDL_TextureID textureID, SDL_Color * colors,
slouken@1895
  1760
                      int firstcolor, int ncolors)
slouken@1895
  1761
{
slouken@1895
  1762
    SDL_Texture *texture = SDL_GetTextureFromID(textureID);
slouken@1895
  1763
    SDL_Renderer *renderer;
slouken@1895
  1764
slouken@1895
  1765
    if (!texture) {
slouken@1895
  1766
        return -1;
slouken@1895
  1767
    }
slouken@1895
  1768
slouken@1895
  1769
    renderer = texture->renderer;
slouken@1895
  1770
    if (!renderer->GetTexturePalette) {
slouken@1895
  1771
        return -1;
slouken@1895
  1772
    }
slouken@1895
  1773
    return renderer->GetTexturePalette(renderer, texture, colors, firstcolor,
slouken@1895
  1774
                                       ncolors);
slouken@1895
  1775
}
slouken@1895
  1776
slouken@1895
  1777
int
slouken@1895
  1778
SDL_UpdateTexture(SDL_TextureID textureID, const SDL_Rect * rect,
slouken@1895
  1779
                  const void *pixels, int pitch)
slouken@1895
  1780
{
slouken@1895
  1781
    SDL_Texture *texture = SDL_GetTextureFromID(textureID);
slouken@1895
  1782
    SDL_Renderer *renderer;
slouken@1895
  1783
    SDL_Rect full_rect;
slouken@1895
  1784
slouken@1895
  1785
    if (!texture) {
slouken@1895
  1786
        return -1;
slouken@1895
  1787
    }
slouken@1895
  1788
slouken@1895
  1789
    renderer = texture->renderer;
slouken@1895
  1790
    if (!renderer->UpdateTexture) {
slouken@1895
  1791
        return -1;
slouken@1895
  1792
    }
slouken@0
  1793
slouken@1895
  1794
    if (!rect) {
slouken@1895
  1795
        full_rect.x = 0;
slouken@1895
  1796
        full_rect.y = 0;
slouken@1895
  1797
        full_rect.w = texture->w;
slouken@1895
  1798
        full_rect.h = texture->h;
slouken@1895
  1799
        rect = &full_rect;
slouken@1895
  1800
    }
slouken@1895
  1801
slouken@1895
  1802
    return renderer->UpdateTexture(renderer, texture, rect, pixels, pitch);
slouken@1895
  1803
}
slouken@1895
  1804
slouken@1895
  1805
int
slouken@1895
  1806
SDL_LockTexture(SDL_TextureID textureID, const SDL_Rect * rect, int markDirty,
slouken@1895
  1807
                void **pixels, int *pitch)
slouken@1895
  1808
{
slouken@1895
  1809
    SDL_Texture *texture = SDL_GetTextureFromID(textureID);
slouken@1895
  1810
    SDL_Renderer *renderer;
slouken@1895
  1811
    SDL_Rect full_rect;
slouken@1895
  1812
slouken@1895
  1813
    if (!texture) {
slouken@1895
  1814
        return -1;
slouken@1895
  1815
    }
slouken@1895
  1816
slouken@1895
  1817
    renderer = texture->renderer;
slouken@1895
  1818
    if (!renderer->LockTexture) {
slouken@1895
  1819
        return -1;
slouken@1895
  1820
    }
slouken@1895
  1821
slouken@1895
  1822
    if (!rect) {
slouken@1895
  1823
        full_rect.x = 0;
slouken@1895
  1824
        full_rect.y = 0;
slouken@1895
  1825
        full_rect.w = texture->w;
slouken@1895
  1826
        full_rect.h = texture->h;
slouken@1895
  1827
        rect = &full_rect;
slouken@1895
  1828
    }
slouken@1895
  1829
slouken@1895
  1830
    return renderer->LockTexture(renderer, texture, rect, markDirty, pixels,
slouken@1895
  1831
                                 pitch);
slouken@1895
  1832
}
slouken@1895
  1833
slouken@1895
  1834
void
slouken@1895
  1835
SDL_UnlockTexture(SDL_TextureID textureID)
slouken@1895
  1836
{
slouken@1895
  1837
    SDL_Texture *texture = SDL_GetTextureFromID(textureID);
slouken@1895
  1838
    SDL_Renderer *renderer;
slouken@1895
  1839
slouken@1895
  1840
    if (!texture) {
slouken@1895
  1841
        return;
slouken@1895
  1842
    }
slouken@1895
  1843
slouken@1895
  1844
    renderer = texture->renderer;
slouken@1895
  1845
    if (!renderer->UnlockTexture) {
slouken@1895
  1846
        return;
slouken@1895
  1847
    }
slouken@1895
  1848
    renderer->UnlockTexture(renderer, texture);
slouken@1895
  1849
}
slouken@0
  1850
slouken@1895
  1851
void
slouken@1895
  1852
SDL_DirtyTexture(SDL_TextureID textureID, int numrects,
slouken@1895
  1853
                 const SDL_Rect * rects)
slouken@1895
  1854
{
slouken@1895
  1855
    SDL_Texture *texture = SDL_GetTextureFromID(textureID);
slouken@1895
  1856
    SDL_Renderer *renderer;
slouken@1895
  1857
slouken@1895
  1858
    if (!texture) {
slouken@1895
  1859
        return;
slouken@1895
  1860
    }
slouken@1895
  1861
slouken@1895
  1862
    renderer = texture->renderer;
slouken@1895
  1863
    if (!renderer->DirtyTexture) {
slouken@1895
  1864
        return;
slouken@1895
  1865
    }
slouken@1895
  1866
    renderer->DirtyTexture(renderer, texture, numrects, rects);
slouken@1895
  1867
}
slouken@1895
  1868
slouken@1895
  1869
int
slouken@1895
  1870
SDL_RenderFill(const SDL_Rect * rect, Uint32 color)
slouken@1895
  1871
{
slouken@1895
  1872
    SDL_Renderer *renderer;
slouken@1895
  1873
    SDL_Window *window;
slouken@1895
  1874
    SDL_Rect real_rect;
slouken@1895
  1875
slouken@1895
  1876
    if (!_this) {
slouken@1912
  1877
        SDL_UninitializedVideo();
slouken@1895
  1878
        return -1;
slouken@1895
  1879
    }
slouken@1895
  1880
slouken@1895
  1881
    renderer = SDL_CurrentDisplay.current_renderer;
slouken@1895
  1882
    if (!renderer || !renderer->RenderFill) {
slouken@1895
  1883
        return -1;
slouken@1895
  1884
    }
slouken@1895
  1885
slouken@1895
  1886
    window = SDL_GetWindowFromID(renderer->window);
slouken@1895
  1887
    real_rect.x = 0;
slouken@1895
  1888
    real_rect.y = 0;
slouken@1895
  1889
    real_rect.w = window->w;
slouken@1895
  1890
    real_rect.h = window->h;
slouken@1895
  1891
    if (rect) {
slouken@1895
  1892
        if (!SDL_IntersectRect(rect, &real_rect, &real_rect)) {
slouken@1895
  1893
            return 0;
slouken@1895
  1894
        }
slouken@1895
  1895
    }
slouken@1895
  1896
slouken@1897
  1897
    return renderer->RenderFill(renderer, &real_rect, color);
slouken@0
  1898
}
slouken@0
  1899
slouken@1895
  1900
int
slouken@1895
  1901
SDL_RenderCopy(SDL_TextureID textureID, const SDL_Rect * srcrect,
slouken@1895
  1902
               const SDL_Rect * dstrect, int blendMode, int scaleMode)
slouken@0
  1903
{
slouken@1895
  1904
    SDL_Texture *texture = SDL_GetTextureFromID(textureID);
slouken@1895
  1905
    SDL_Renderer *renderer;
slouken@1895
  1906
    SDL_Window *window;
slouken@1895
  1907
    SDL_Rect real_srcrect;
slouken@1895
  1908
    SDL_Rect real_dstrect;
slouken@1895
  1909
slouken@1895
  1910
    if (!texture || texture->renderer != SDL_CurrentDisplay.current_renderer) {
slouken@1895
  1911
        return -1;
slouken@1895
  1912
    }
slouken@1895
  1913
slouken@1895
  1914
    renderer = SDL_CurrentDisplay.current_renderer;
slouken@1895
  1915
    if (!renderer || !renderer->RenderCopy) {
slouken@1895
  1916
        return -1;
slouken@1895
  1917
    }
slouken@0
  1918
slouken@1895
  1919
    window = SDL_GetWindowFromID(renderer->window);
slouken@1897
  1920
    if (srcrect) {
slouken@1897
  1921
        real_srcrect = *srcrect;
slouken@1897
  1922
    } else {
slouken@1897
  1923
        real_srcrect.x = 0;
slouken@1897
  1924
        real_srcrect.y = 0;
slouken@1897
  1925
        real_srcrect.w = texture->w;
slouken@1897
  1926
        real_srcrect.h = texture->h;
slouken@1895
  1927
    }
slouken@1897
  1928
    if (dstrect) {
slouken@1897
  1929
        real_dstrect = *dstrect;
slouken@1897
  1930
    } else {
slouken@1897
  1931
        real_dstrect.x = 0;
slouken@1897
  1932
        real_dstrect.y = 0;
slouken@1897
  1933
        real_dstrect.w = window->w;
slouken@1897
  1934
        real_dstrect.h = window->h;
slouken@1895
  1935
    }
slouken@0
  1936
slouken@1897
  1937
    return renderer->RenderCopy(renderer, texture, &real_srcrect,
slouken@1897
  1938
                                &real_dstrect, blendMode, scaleMode);
slouken@1895
  1939
}
slouken@1895
  1940
slouken@1895
  1941
void
slouken@1895
  1942
SDL_RenderPresent(void)
slouken@1895
  1943
{
slouken@1895
  1944
    SDL_Renderer *renderer;
slouken@1895
  1945
slouken@1895
  1946
    if (!_this) {
slouken@1912
  1947
        SDL_UninitializedVideo();
slouken@1895
  1948
        return;
slouken@1895
  1949
    }
slouken@1895
  1950
slouken@1895
  1951
    renderer = SDL_CurrentDisplay.current_renderer;
slouken@1895
  1952
    if (!renderer || !renderer->RenderPresent) {
slouken@1895
  1953
        return;
slouken@1895
  1954
    }
slouken@1895
  1955
    renderer->RenderPresent(renderer);
slouken@0
  1956
}
slouken@0
  1957
slouken@1895
  1958
void
slouken@1895
  1959
SDL_DestroyTexture(SDL_TextureID textureID)
slouken@0
  1960
{
slouken@1895
  1961
    int hash;
slouken@1895
  1962
    SDL_Texture *prev, *texture;
slouken@1895
  1963
    SDL_Renderer *renderer;
slouken@1895
  1964
slouken@1895
  1965
    if (!_this) {
slouken@1912
  1966
        SDL_UninitializedVideo();
slouken@1895
  1967
        return;
slouken@1895
  1968
    }
slouken@1895
  1969
slouken@1895
  1970
    /* Look up the texture in the hash table */
slouken@1895
  1971
    hash = (textureID % SDL_arraysize(SDL_CurrentDisplay.textures));
slouken@1895
  1972
    prev = NULL;
slouken@1895
  1973
    for (texture = SDL_CurrentDisplay.textures[hash]; texture;
slouken@1895
  1974
         prev = texture, texture = texture->next) {
slouken@1895
  1975
        if (texture->id == textureID) {
slouken@1895
  1976
            break;
slouken@1895
  1977
        }
slouken@1895
  1978
    }
slouken@1895
  1979
    if (!texture) {
slouken@1895
  1980
        return;
slouken@1895
  1981
    }
slouken@1895
  1982
slouken@1895
  1983
    /* Unlink the texture from the list */
slouken@1895
  1984
    if (prev) {
slouken@1895
  1985
        prev->next = texture->next;
slouken@1895
  1986
    } else {
slouken@1895
  1987
        SDL_CurrentDisplay.textures[hash] = texture->next;
slouken@1895
  1988
    }
slouken@1895
  1989
slouken@1895
  1990
    /* Free the texture */
slouken@1895
  1991
    renderer = texture->renderer;
slouken@1895
  1992
    renderer->DestroyTexture(renderer, texture);
slouken@1895
  1993
    SDL_free(texture);
slouken@0
  1994
}
slouken@0
  1995
slouken@1895
  1996
void
slouken@1895
  1997
SDL_DestroyRenderer(SDL_WindowID windowID)
slouken@0
  1998
{
slouken@1895
  1999
    SDL_Window *window = SDL_GetWindowFromID(windowID);
slouken@1895
  2000
    SDL_Renderer *renderer;
slouken@1895
  2001
    int i;
slouken@0
  2002
slouken@1895
  2003
    if (!window) {
slouken@1895
  2004
        return;
slouken@1895
  2005
    }
slouken@1895
  2006
slouken@1895
  2007
    renderer = window->renderer;
slouken@1895
  2008
    if (!renderer) {
slouken@1895
  2009
        return;
slouken@1895
  2010
    }
slouken@0
  2011
slouken@1895
  2012
    /* Free existing textures for this renderer */
slouken@1895
  2013
    for (i = 0; i < SDL_arraysize(SDL_CurrentDisplay.textures); ++i) {
slouken@1895
  2014
        SDL_Texture *texture;
slouken@1895
  2015
        SDL_Texture *prev = NULL;
slouken@1895
  2016
        SDL_Texture *next;
slouken@1895
  2017
        for (texture = SDL_CurrentDisplay.textures[i]; texture;
slouken@1895
  2018
             texture = next) {
slouken@1895
  2019
            next = texture->next;
slouken@1895
  2020
            if (texture->renderer == renderer) {
slouken@1895
  2021
                if (prev) {
slouken@1895
  2022
                    prev->next = next;
slouken@1895
  2023
                } else {
slouken@1895
  2024
                    SDL_CurrentDisplay.textures[i] = next;
slouken@1895
  2025
                }
slouken@1895
  2026
                renderer->DestroyTexture(renderer, texture);
slouken@1895
  2027
                SDL_free(texture);
slouken@1895
  2028
            } else {
slouken@1895
  2029
                prev = texture;
slouken@1895
  2030
            }
slouken@1895
  2031
        }
slouken@1895
  2032
    }
slouken@0
  2033
slouken@1895
  2034
    /* Free the renderer instance */
slouken@1895
  2035
    renderer->DestroyRenderer(renderer);
slouken@0
  2036
slouken@1895
  2037
    /* Clear references */
slouken@1895
  2038
    window->renderer = NULL;
slouken@1895
  2039
    if (SDL_CurrentDisplay.current_renderer == renderer) {
slouken@1895
  2040
        SDL_CurrentDisplay.current_renderer = NULL;
slouken@1895
  2041
    }
slouken@1895
  2042
}
slouken@0
  2043
slouken@1895
  2044
void
slouken@1895
  2045
SDL_VideoQuit(void)
slouken@1895
  2046
{
slouken@1895
  2047
    int i, j;
slouken@0
  2048
slouken@1895
  2049
    if (!_this) {
slouken@1895
  2050
        return;
slouken@1895
  2051
    }
slouken@1895
  2052
slouken@1895
  2053
    /* Halt event processing before doing anything else */
slouken@1895
  2054
    SDL_StopEventLoop();
slouken@1895
  2055
slouken@1895
  2056
    /* Clean up the system video */
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_windows; j--;) {
slouken@1895
  2060
            SDL_DestroyWindow(display->windows[i].id);
slouken@1895
  2061
        }
slouken@1895
  2062
        if (display->windows) {
slouken@1895
  2063
            SDL_free(display->windows);
slouken@1895
  2064
            display->windows = NULL;
slouken@1895
  2065
        }
slouken@1895
  2066
        display->num_windows = 0;
slouken@1895
  2067
    }
slouken@1895
  2068
    _this->VideoQuit(_this);
slouken@0
  2069
slouken@1895
  2070
    for (i = _this->num_displays; i--;) {
slouken@1895
  2071
        SDL_VideoDisplay *display = &_this->displays[i];
slouken@1895
  2072
        for (j = display->num_display_modes; j--;) {
slouken@1895
  2073
            if (display->display_modes[j].driverdata) {
slouken@1895
  2074
                SDL_free(display->display_modes[j].driverdata);
slouken@1895
  2075
                display->display_modes[j].driverdata = NULL;
slouken@1895
  2076
            }
slouken@1895
  2077
        }
slouken@1895
  2078
        if (display->display_modes) {
slouken@1895
  2079
            SDL_free(display->display_modes);
slouken@1895
  2080
            display->display_modes = NULL;
slouken@1895
  2081
        }
slouken@1895
  2082
        if (display->desktop_mode.driverdata) {
slouken@1895
  2083
            SDL_free(display->desktop_mode.driverdata);
slouken@1895
  2084
            display->desktop_mode.driverdata = NULL;
slouken@1895
  2085
        }
slouken@1895
  2086
        if (display->palette) {
slouken@1895
  2087
            SDL_FreePalette(display->palette);
slouken@1895
  2088
            display->palette = NULL;
slouken@1895
  2089
        }
slouken@1895
  2090
        if (display->gamma) {
slouken@1895
  2091
            SDL_free(display->gamma);
slouken@1895
  2092
        }
slouken@1895
  2093
        if (display->driverdata) {
slouken@1895
  2094
            SDL_free(display->driverdata);
slouken@1895
  2095
        }
slouken@1895
  2096
    }
slouken@1895
  2097
    if (_this->displays) {
slouken@1895
  2098
        SDL_free(_this->displays);
slouken@1895
  2099
        _this->displays = NULL;
slouken@1895
  2100
    }
slouken@1895
  2101
    _this->free(_this);
slouken@1895
  2102
    _this = NULL;
slouken@0
  2103
}
slouken@0
  2104
slouken@1895
  2105
int
slouken@1895
  2106
SDL_GL_LoadLibrary(const char *path)
slouken@0
  2107
{
slouken@1895
  2108
    int retval;
slouken@0
  2109
slouken@1912
  2110
    if (!_this) {
slouken@1912
  2111
        SDL_UninitializedVideo();
slouken@1912
  2112
        return -1;
slouken@1912
  2113
    }
slouken@1912
  2114
slouken@1912
  2115
    if (_this->GL_LoadLibrary) {
slouken@1912
  2116
        retval = _this->GL_LoadLibrary(_this, path);
slouken@1895
  2117
    } else {
slouken@1912
  2118
        SDL_SetError("No dynamic GL support in video driver");
slouken@1912
  2119
        retval = -1;
slouken@1895
  2120
    }
slouken@1895
  2121
    return (retval);
slouken@0
  2122
}
slouken@0
  2123
slouken@1895
  2124
void *
slouken@1895
  2125
SDL_GL_GetProcAddress(const char *proc)
slouken@0
  2126
{
slouken@1895
  2127
    void *func;
slouken@0
  2128
slouken@1912
  2129
    if (!_this) {
slouken@1912
  2130
        SDL_UninitializedVideo();
slouken@1912
  2131
        return NULL;
slouken@1912
  2132
    }
slouken@1912
  2133
slouken@1895
  2134
    func = NULL;
slouken@1895
  2135
    if (_this->GL_GetProcAddress) {
slouken@1895
  2136
        if (_this->gl_config.driver_loaded) {
slouken@1895
  2137
            func = _this->GL_GetProcAddress(_this, proc);
slouken@1895
  2138
        } else {
slouken@1895
  2139
            SDL_SetError("No GL driver has been loaded");
slouken@1895
  2140
        }
slouken@1895
  2141
    } else {
slouken@1895
  2142
        SDL_SetError("No dynamic GL support in video driver");
slouken@1895
  2143
    }
slouken@1895
  2144
    return func;
slouken@0
  2145
}
slouken@0
  2146
slouken@1926
  2147
SDL_bool
slouken@1926
  2148
SDL_GL_ExtensionSupported(const char *extension)
slouken@1926
  2149
{
slouken@1926
  2150
#if SDL_VIDEO_OPENGL
slouken@1926
  2151
    const GLubyte *(APIENTRY * glGetStringFunc) (GLenum);
slouken@1926
  2152
    const char *extensions;
slouken@1926
  2153
    const char *start;
slouken@1926
  2154
    const char *where, *terminator;
slouken@1926
  2155
slouken@1926
  2156
    /* Extension names should not have spaces. */
slouken@1926
  2157
    where = SDL_strchr(extension, ' ');
slouken@1926
  2158
    if (where || *extension == '\0') {
slouken@1926
  2159
        return SDL_FALSE;
slouken@1926
  2160
    }
slouken@1926
  2161
slouken@1926
  2162
    /* See if there's an environment variable override */
slouken@1926
  2163
    start = SDL_getenv(extension);
slouken@1926
  2164
    if (start && *start == '0') {
slouken@1926
  2165
        return SDL_FALSE;
slouken@1926
  2166
    }
slouken@1926
  2167
slouken@1926
  2168
    /* Lookup the available extensions */
slouken@1926
  2169
    glGetStringFunc = SDL_GL_GetProcAddress("glGetString");
slouken@1926
  2170
    if (glGetStringFunc) {
slouken@1926
  2171
        extensions = (const char *) glGetStringFunc(GL_EXTENSIONS);
slouken@1926
  2172
    } else {
slouken@1926
  2173
        extensions = NULL;
slouken@1926
  2174
    }
slouken@1926
  2175
    if (!extensions) {
slouken@1926
  2176
        return SDL_FALSE;
slouken@1926
  2177
    }
slouken@1926
  2178
slouken@1926
  2179
    /* It takes a bit of care to be fool-proof about parsing the
slouken@1926
  2180
     * OpenGL extensions string. Don't be fooled by sub-strings,
slouken@1926
  2181
     * etc. */
slouken@1926
  2182
slouken@1926
  2183
    start = extensions;
slouken@1926
  2184
slouken@1926
  2185
    for (;;) {
slouken@1926
  2186
        where = SDL_strstr(start, extension);
slouken@1926
  2187
        if (!where)
slouken@1926
  2188
            break;
slouken@1926
  2189
slouken@1926
  2190
        terminator = where + SDL_strlen(extension);
slouken@1926
  2191
        if (where == start || *(where - 1) == ' ')
slouken@1926
  2192
            if (*terminator == ' ' || *terminator == '\0')
slouken@1926
  2193
                return SDL_TRUE;
slouken@1926
  2194
slouken@1926
  2195
        start = terminator;
slouken@1926
  2196
    }
slouken@1926
  2197
    return SDL_FALSE;
slouken@1926
  2198
#else
slouken@1926
  2199
    return SDL_FALSE;
slouken@1926
  2200
#endif
slouken@1926
  2201
}
slouken@1926
  2202
slouken@1895
  2203
int
slouken@1895
  2204
SDL_GL_SetAttribute(SDL_GLattr attr, int value)
slouken@0
  2205
{
slouken@1936
  2206
#if SDL_VIDEO_OPENGL
slouken@1895
  2207
    int retval;
slouken@0
  2208
slouken@1912
  2209
    if (!_this) {
slouken@1912
  2210
        SDL_UninitializedVideo();
slouken@1912
  2211
        return -1;
slouken@1912
  2212
    }
slouken@1912
  2213
slouken@1895
  2214
    retval = 0;
slouken@1895
  2215
    switch (attr) {
slouken@1895
  2216
    case SDL_GL_RED_SIZE:
slouken@1895
  2217
        _this->gl_config.red_size = value;
slouken@1895
  2218
        break;
slouken@1895
  2219
    case SDL_GL_GREEN_SIZE:
slouken@1895
  2220
        _this->gl_config.green_size = value;
slouken@1895
  2221
        break;
slouken@1895
  2222
    case SDL_GL_BLUE_SIZE:
slouken@1895
  2223
        _this->gl_config.blue_size = value;
slouken@1895
  2224
        break;
slouken@1895
  2225
    case SDL_GL_ALPHA_SIZE:
slouken@1895
  2226
        _this->gl_config.alpha_size = value;
slouken@1895
  2227
        break;
slouken@1895
  2228
    case SDL_GL_DOUBLEBUFFER:
slouken@1895
  2229
        _this->gl_config.double_buffer = value;
slouken@1895
  2230
        break;
slouken@1895
  2231
    case SDL_GL_BUFFER_SIZE:
slouken@1895
  2232
        _this->gl_config.buffer_size = value;
slouken@1895
  2233
        break;
slouken@1895
  2234
    case SDL_GL_DEPTH_SIZE:
slouken@1895
  2235
        _this->gl_config.depth_size = value;
slouken@1895
  2236
        break;
slouken@1895
  2237
    case SDL_GL_STENCIL_SIZE:
slouken@1895
  2238
        _this->gl_config.stencil_size = value;
slouken@1895
  2239
        break;
slouken@1895
  2240
    case SDL_GL_ACCUM_RED_SIZE:
slouken@1895
  2241
        _this->gl_config.accum_red_size = value;
slouken@1895
  2242
        break;
slouken@1895
  2243
    case SDL_GL_ACCUM_GREEN_SIZE:
slouken@1895
  2244
        _this->gl_config.accum_green_size = value;
slouken@1895
  2245
        break;
slouken@1895
  2246
    case SDL_GL_ACCUM_BLUE_SIZE:
slouken@1895
  2247
        _this->gl_config.accum_blue_size = value;
slouken@1895
  2248
        break;
slouken@1895
  2249
    case SDL_GL_ACCUM_ALPHA_SIZE:
slouken@1895
  2250
        _this->gl_config.accum_alpha_size = value;
slouken@1895
  2251
        break;
slouken@1895
  2252
    case SDL_GL_STEREO:
slouken@1895
  2253
        _this->gl_config.stereo = value;
slouken@1895
  2254
        break;
slouken@1895
  2255
    case SDL_GL_MULTISAMPLEBUFFERS:
slouken@1895
  2256
        _this->gl_config.multisamplebuffers = value;
slouken@1895
  2257
        break;
slouken@1895
  2258
    case SDL_GL_MULTISAMPLESAMPLES:
slouken@1895
  2259
        _this->gl_config.multisamplesamples = value;
slouken@1895
  2260
        break;
slouken@1895
  2261
    case SDL_GL_ACCELERATED_VISUAL:
slouken@1895
  2262
        _this->gl_config.accelerated = value;
slouken@1895
  2263
        break;
slouken@1895
  2264
    default:
slouken@1895
  2265
        SDL_SetError("Unknown OpenGL attribute");
slouken@1895
  2266
        retval = -1;
slouken@1895
  2267
        break;
slouken@1895
  2268
    }
slouken@1912
  2269
    return retval;
slouken@1936
  2270
#else
slouken@1936
  2271
    SDL_Unsupported();
slouken@1936
  2272
    return -1;
slouken@1936
  2273
#endif /* SDL_VIDEO_OPENGL */
slouken@0
  2274
}
slouken@0
  2275
slouken@1895
  2276
int
slouken@1936
  2277
SDL_GL_GetAttribute(SDL_GLattr attr, int *value)
slouken@0
  2278
{
slouken@1936
  2279
#if SDL_VIDEO_OPENGL
slouken@1936
  2280
    void (APIENTRY * glGetIntegervFunc) (GLenum pname, GLint * params);
slouken@1936
  2281
    GLenum attrib = 0;
slouken@1912
  2282
slouken@1936
  2283
    glGetIntegervFunc = SDL_GL_GetProcAddress("glGetIntegerv");
slouken@1936
  2284
    if (!glGetIntegervFunc) {
slouken@1936
  2285
        return -1;
slouken@1936
  2286
    }
slouken@1936
  2287
    switch (attr) {
slouken@1936
  2288
    case SDL_GL_RED_SIZE:
slouken@1936
  2289
        attrib = GL_RED_BITS;
slouken@1936
  2290
        break;
slouken@1936
  2291
    case SDL_GL_BLUE_SIZE:
slouken@1936
  2292
        attrib = GL_BLUE_BITS;
slouken@1936
  2293
        break;
slouken@1936
  2294
    case SDL_GL_GREEN_SIZE:
slouken@1936
  2295
        attrib = GL_GREEN_BITS;
slouken@1936
  2296
        break;
slouken@1936
  2297
    case SDL_GL_ALPHA_SIZE:
slouken@1936
  2298
        attrib = GL_ALPHA_BITS;
slouken@1936
  2299
        break;
slouken@1936
  2300
    case SDL_GL_DOUBLEBUFFER:
slouken@1936
  2301
        attrib = GL_DOUBLEBUFFER;
slouken@1936
  2302
        break;
slouken@1936
  2303
    case SDL_GL_DEPTH_SIZE:
slouken@1936
  2304
        attrib = GL_DEPTH_BITS;
slouken@1936
  2305
        break;
slouken@1936
  2306
    case SDL_GL_STENCIL_SIZE:
slouken@1936
  2307
        attrib = GL_STENCIL_BITS;
slouken@1936
  2308
        break;
slouken@1936
  2309
    case SDL_GL_ACCUM_RED_SIZE:
slouken@1936
  2310
        attrib = GL_ACCUM_RED_BITS;
slouken@1936
  2311
        break;
slouken@1936
  2312
    case SDL_GL_ACCUM_GREEN_SIZE:
slouken@1936
  2313
        attrib = GL_ACCUM_GREEN_BITS;
slouken@1936
  2314
        break;
slouken@1936
  2315
    case SDL_GL_ACCUM_BLUE_SIZE:
slouken@1936
  2316
        attrib = GL_ACCUM_BLUE_BITS;
slouken@1936
  2317
        break;
slouken@1936
  2318
    case SDL_GL_ACCUM_ALPHA_SIZE:
slouken@1936
  2319
        attrib = GL_ACCUM_ALPHA_BITS;
slouken@1936
  2320
        break;
slouken@1936
  2321
    case SDL_GL_STEREO:
slouken@1936
  2322
        attrib = GL_STEREO;
slouken@1936
  2323
        break;
slouken@1936
  2324
    case SDL_GL_MULTISAMPLEBUFFERS:
slouken@1936
  2325
        attrib = GL_SAMPLE_BUFFERS_ARB;
slouken@1936
  2326
        break;
slouken@1936
  2327
    case SDL_GL_MULTISAMPLESAMPLES:
slouken@1936
  2328
        attrib = GL_SAMPLES_ARB;
slouken@1936
  2329
        break;
slouken@1936
  2330
    case SDL_GL_BUFFER_SIZE:
slouken@1936
  2331
        {
slouken@1936
  2332
            GLint bits = 0;
slouken@1936
  2333
            GLint component;
slouken@1936
  2334
slouken@1936
  2335
            /* there doesn't seem to be a single flag in OpenGL for this! */
slouken@1938
  2336
            glGetIntegervFunc(GL_RED_BITS, &component);
slouken@1936
  2337
            bits += component;
slouken@1938
  2338
            glGetIntegervFunc(GL_GREEN_BITS, &component);
slouken@1936
  2339
            bits += component;
slouken@1938
  2340
            glGetIntegervFunc(GL_BLUE_BITS, &component);
slouken@1936
  2341
            bits += component;
slouken@1938
  2342
            glGetIntegervFunc(GL_ALPHA_BITS, &component);
slouken@1936
  2343
            bits += component;
slouken@1936
  2344
slouken@1936
  2345
            *value = bits;
slouken@1936
  2346
            return 0;
slouken@1936
  2347
        }
slouken@1936
  2348
    case SDL_GL_ACCELERATED_VISUAL:
slouken@1936
  2349
        {
slouken@1936
  2350
            /* FIXME: How do we get this information? */
slouken@1936
  2351
            *value = (_this->gl_config.accelerated != 0);
slouken@1936
  2352
            return 0;
slouken@1936
  2353
        }
slouken@1936
  2354
    default:
slouken@1936
  2355
        SDL_SetError("Unknown OpenGL attribute");
slouken@1912
  2356
        return -1;
slouken@1912
  2357
    }
slouken@0
  2358
slouken@1938
  2359
    glGetIntegervFunc(attrib, (GLint *) value);
slouken@1936
  2360
    return 0;
slouken@1936
  2361
#else
slouken@1936
  2362
    SDL_Unsupported();
slouken@1936
  2363
    return -1;
slouken@1936
  2364
#endif /* SDL_VIDEO_OPENGL */
slouken@0
  2365
}
slouken@0
  2366
slouken@1912
  2367
SDL_GLContext
slouken@1912
  2368
SDL_GL_CreateContext(SDL_WindowID windowID)
slouken@1912
  2369
{
slouken@1912
  2370
    SDL_Window *window = SDL_GetWindowFromID(windowID);
slouken@1912
  2371
slouken@1912
  2372
    if (!window) {
slouken@1912
  2373
        return NULL;
slouken@1912
  2374
    }
slouken@1912
  2375
    if (!(window->flags & SDL_WINDOW_OPENGL)) {
slouken@1912
  2376
        SDL_SetError("The specified window isn't an OpenGL window");
slouken@1912
  2377
        return NULL;
slouken@1912
  2378
    }
slouken@1912
  2379
    return _this->GL_CreateContext(_this, window);
slouken@1912
  2380
}
slouken@1912
  2381
slouken@1912
  2382
int
slouken@1912
  2383
SDL_GL_MakeCurrent(SDL_WindowID windowID, SDL_GLContext context)
slouken@1912
  2384
{
slouken@1912
  2385
    SDL_Window *window = SDL_GetWindowFromID(windowID);
slouken@1912
  2386
slouken@1913
  2387
    if (window && !(window->flags & SDL_WINDOW_OPENGL)) {
slouken@1912
  2388
        SDL_SetError("The specified window isn't an OpenGL window");
slouken@1912
  2389
        return -1;
slouken@1912
  2390
    }
slouken@1936
  2391
    if (!context) {
slouken@1936
  2392
        window = NULL;
slouken@1936
  2393
    }
slouken@1912
  2394
    return _this->GL_MakeCurrent(_this, window, context);
slouken@1912
  2395
}
slouken@1912
  2396
slouken@1912
  2397
int
slouken@1912
  2398
SDL_GL_SetSwapInterval(int interval)
slouken@1912
  2399
{
slouken@1912
  2400
    if (!_this) {
slouken@1912
  2401
        SDL_UninitializedVideo();
slouken@1912
  2402
        return -1;
slouken@1912
  2403
    }
slouken@1912
  2404
slouken@1912
  2405
    if (_this->GL_SetSwapInterval) {
slouken@1912
  2406
        return _this->GL_SetSwapInterval(_this, interval);
slouken@1912
  2407
    } else {
slouken@1912
  2408
        SDL_SetError("Setting the swap interval is not supported");
slouken@1912
  2409
        return -1;
slouken@1912
  2410
    }
slouken@1912
  2411
}
slouken@1912
  2412
slouken@1912
  2413
int
slouken@1912
  2414
SDL_GL_GetSwapInterval(void)
slouken@1912
  2415
{
slouken@1912
  2416
    if (!_this) {
slouken@1912
  2417
        SDL_UninitializedVideo();
slouken@1912
  2418
        return -1;
slouken@1912
  2419
    }
slouken@1912
  2420
slouken@1912
  2421
    if (_this->GL_GetSwapInterval) {
slouken@1912
  2422
        return _this->GL_GetSwapInterval(_this);
slouken@1912
  2423
    } else {
slouken@1912
  2424
        SDL_SetError("Getting the swap interval is not supported");
slouken@1912
  2425
        return -1;
slouken@1912
  2426
    }
slouken@1912
  2427
}
slouken@1912
  2428
slouken@1895
  2429
void
slouken@1912
  2430
SDL_GL_SwapWindow(SDL_WindowID windowID)
slouken@0
  2431
{
slouken@1912
  2432
    SDL_Window *window = SDL_GetWindowFromID(windowID);
slouken@1912
  2433
slouken@1912
  2434
    if (!window) {
slouken@1912
  2435
        return;
slouken@1912
  2436
    }
slouken@1912
  2437
    if (!(window->flags & SDL_WINDOW_OPENGL)) {
slouken@1912
  2438
        SDL_SetError("The specified window isn't an OpenGL window");
slouken@1912
  2439
        return;
slouken@1912
  2440
    }
slouken@1930
  2441
    _this->GL_SwapWindow(_this, window);
slouken@1912
  2442
}
slouken@1912
  2443
slouken@1912
  2444
void
slouken@1912
  2445
SDL_GL_DeleteContext(SDL_GLContext context)
slouken@1912
  2446
{
slouken@1912
  2447
    if (!_this || !context) {
slouken@1912
  2448
        return;
slouken@1912
  2449
    }
slouken@1936
  2450
    _this->GL_MakeCurrent(_this, NULL, NULL);
slouken@1912
  2451
    _this->GL_DeleteContext(_this, context);
slouken@0
  2452
}
slouken@0
  2453
slouken@1895
  2454
#if 0                           // FIXME
slouken@541
  2455
/* Utility function used by SDL_WM_SetIcon();
slouken@541
  2456
 * flags & 1 for color key, flags & 2 for alpha channel. */
slouken@1895
  2457
static void
slouken@1895
  2458
CreateMaskFromColorKeyOrAlpha(SDL_Surface * icon, Uint8 * mask, int flags)
slouken@0
  2459
{
slouken@1895
  2460
    int x, y;
slouken@1895
  2461
    Uint32 colorkey;
slouken@0
  2462
#define SET_MASKBIT(icon, x, y, mask) \
slouken@0
  2463
	mask[(y*((icon->w+7)/8))+(x/8)] &= ~(0x01<<(7-(x%8)))
slouken@0
  2464
slouken@1895
  2465
    colorkey = icon->format->colorkey;
slouken@1895
  2466
    switch (icon->format->BytesPerPixel) {
slouken@1895
  2467
    case 1:
slouken@1895
  2468
        {
slouken@1895
  2469
            Uint8 *pixels;
slouken@1895
  2470
            for (y = 0; y < icon->h; ++y) {
slouken@1895
  2471
                pixels = (Uint8 *) icon->pixels + y * icon->pitch;
slouken@1895
  2472
                for (x = 0; x < icon->w; ++x) {
slouken@1895
  2473
                    if (*pixels++ == colorkey) {
slouken@1895
  2474
                        SET_MASKBIT(icon, x, y, mask);
slouken@1895
  2475
                    }
slouken@1895
  2476
                }
slouken@1895
  2477
            }
slouken@1895
  2478
        }
slouken@1895
  2479
        break;
slouken@0
  2480
slouken@1895
  2481
    case 2:
slouken@1895
  2482
        {
slouken@1895
  2483
            Uint16 *pixels;
slouken@1895
  2484
            for (y = 0; y < icon->h; ++y) {
slouken@1895
  2485
                pixels = (Uint16 *) icon->pixels + y * icon->pitch / 2;
slouken@1895
  2486
                for (x = 0; x < icon->w; ++x) {
slouken@1895
  2487
                    if ((flags & 1) && *pixels == colorkey) {
slouken@1895
  2488
                        SET_MASKBIT(icon, x, y, mask);
slouken@1895
  2489
                    } else if ((flags & 2)
slouken@1895
  2490
                               && (*pixels & icon->format->Amask) == 0) {
slouken@1895
  2491
                        SET_MASKBIT(icon, x, y, mask);
slouken@1895
  2492
                    }
slouken@1895
  2493
                    pixels++;
slouken@1895
  2494
                }
slouken@1895
  2495
            }
slouken@1895
  2496
        }
slouken@1895
  2497
        break;
slouken@0
  2498
slouken@1895
  2499
    case 4:
slouken@1895
  2500
        {
slouken@1895
  2501
            Uint32 *pixels;
slouken@1895
  2502
            for (y = 0; y < icon->h; ++y) {
slouken@1895
  2503
                pixels = (Uint32 *) icon->pixels + y * icon->pitch / 4;
slouken@1895
  2504
                for (x = 0; x < icon->w; ++x) {
slouken@1895
  2505
                    if ((flags & 1) && *pixels == colorkey) {
slouken@1895
  2506
                        SET_MASKBIT(icon, x, y, mask);
slouken@1895
  2507
                    } else if ((flags & 2)
slouken@1895
  2508
                               && (*pixels & icon->format->Amask) == 0) {
slouken@1895
  2509
                        SET_MASKBIT(icon, x, y, mask);
slouken@1895
  2510
                    }
slouken@1895
  2511
                    pixels++;
slouken@1895
  2512
                }
slouken@1895
  2513
            }
slouken@1895
  2514
        }
slouken@1895
  2515
        break;
slouken@1895
  2516
    }
slouken@0
  2517
}
slouken@0
  2518
slouken@0
  2519
/*
slouken@0
  2520
 * Sets the window manager icon for the display window.
slouken@0
  2521
 */
slouken@1895
  2522
void
slouken@1895
  2523
SDL_WM_SetIcon(SDL_Surface * icon, Uint8 * mask)
slouken@0
  2524
{
slouken@1895
  2525
    if (icon && _this->SetIcon) {
slouken@1895
  2526
        /* Generate a mask if necessary, and create the icon! */
slouken@1895
  2527
        if (mask == NULL) {
slouken@1895
  2528
            int mask_len = icon->h * (icon->w + 7) / 8;
slouken@1895
  2529
            int flags = 0;
slouken@1895
  2530
            mask = (Uint8 *) SDL_malloc(mask_len);
slouken@1895
  2531
            if (mask == NULL) {
slouken@1895
  2532
                return;
slouken@1895
  2533
            }
slouken@1895
  2534
            SDL_memset(mask, ~0, mask_len);
slouken@1895
  2535
            if (icon->flags & SDL_SRCCOLORKEY)
slouken@1895
  2536
                flags |= 1;
slouken@1895
  2537
            if (icon->flags & SDL_SRCALPHA)
slouken@1895
  2538
                flags |= 2;
slouken@1895
  2539
            if (flags) {
slouken@1895
  2540
                CreateMaskFromColorKeyOrAlpha(icon, mask, flags);
slouken@1895
  2541
            }
slouken@1895
  2542
            _this->SetIcon(_this, icon, mask);
slouken@1895
  2543
            SDL_free(mask);
slouken@1895
  2544
        } else {
slouken@1895
  2545
            _this->SetIcon(_this, icon, mask);
slouken@1895
  2546
        }
slouken@1895
  2547
    }
slouken@0
  2548
}
slouken@0
  2549
#endif
slouken@0
  2550
slouken@1895
  2551
SDL_bool
slouken@1895
  2552
SDL_GetWindowWMInfo(SDL_WindowID windowID, struct SDL_SysWMinfo *info)
slouken@0
  2553
{
slouken@1895
  2554
    SDL_Window *window = SDL_GetWindowFromID(windowID);
slouken@0
  2555
slouken@1895
  2556
    if (!window || !_this->GetWindowWMInfo) {
slouken@1895
  2557
        return SDL_FALSE;
slouken@1895
  2558
    }
slouken@1895
  2559
    return (_this->GetWindowWMInfo(_this, window, info));
slouken@0
  2560
}
slouken@0
  2561
slouken@1895
  2562
/* vi: set ts=4 sw=4 expandtab: */