src/video/SDL_video.c
author Sam Lantinga <slouken@libsdl.org>
Thu, 10 Aug 2006 14:35:42 +0000
changeset 1977 754847f19490
parent 1970 db3ba6c0d0df
child 1978 542c78b6fb12
permissions -rw-r--r--
David Hedbor is no longer maintaining the Qtopia code.
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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_TOOLBOX
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    &TOOLBOX_bootstrap,
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#endif
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#if SDL_VIDEO_DRIVER_DRAWSPROCKET
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    &DSp_bootstrap,
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#endif
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#if SDL_VIDEO_DRIVER_CYBERGRAPHICS
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    &CGX_bootstrap,
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#endif
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#if SDL_VIDEO_DRIVER_PHOTON
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    &ph_bootstrap,
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#endif
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#if SDL_VIDEO_DRIVER_EPOC
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    &EPOC_bootstrap,
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#endif
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#if SDL_VIDEO_DRIVER_XBIOS
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    &XBIOS_bootstrap,
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#endif
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#if SDL_VIDEO_DRIVER_GEM
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    &GEM_bootstrap,
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#endif
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#if SDL_VIDEO_DRIVER_DC
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    &DC_bootstrap,
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#endif
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#if SDL_VIDEO_DRIVER_RISCOS
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    &RISCOS_bootstrap,
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#endif
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#if SDL_VIDEO_DRIVER_OS2FS
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    &OS2FSLib_bootstrap,
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#endif
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#if SDL_VIDEO_DRIVER_DUMMY
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    &DUMMY_bootstrap,
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#endif
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    NULL
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};
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static SDL_VideoDevice *_this = NULL;
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/* Various local functions */
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int SDL_VideoInit(const char *driver_name, Uint32 flags);
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void SDL_VideoQuit(void);
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static int
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cmpmodes(const void *A, const void *B)
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{
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    SDL_DisplayMode a = *(const SDL_DisplayMode *) A;
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    SDL_DisplayMode b = *(const SDL_DisplayMode *) B;
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    if (a.w != b.w) {
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        return b.w - a.w;
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    }
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    if (a.h != b.h) {
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        return b.h - a.h;
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    }
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    if (SDL_BITSPERPIXEL(a.format) != SDL_BITSPERPIXEL(b.format)) {
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        return SDL_BITSPERPIXEL(b.format) - SDL_BITSPERPIXEL(a.format);
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    }
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    if (a.refresh_rate != b.refresh_rate) {
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        return b.refresh_rate - a.refresh_rate;
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    }
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    return 0;
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}
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static void
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SDL_UninitializedVideo()
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{
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    SDL_SetError("Video subsystem has not been initialized");
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}
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int
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SDL_GetNumVideoDrivers(void)
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{
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    return SDL_arraysize(bootstrap) - 1;
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}
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const char *
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SDL_GetVideoDriver(int index)
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{
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    if (index >= 0 && index < SDL_GetNumVideoDrivers()) {
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        return bootstrap[index]->name;
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    }
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    return NULL;
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}
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/*
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 * Initialize the video and event subsystems -- determine native pixel format
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 */
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int
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SDL_VideoInit(const char *driver_name, Uint32 flags)
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{
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    SDL_VideoDevice *video;
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    int index;
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    int i;
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    /* Toggle the event thread flags, based on OS requirements */
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#if defined(MUST_THREAD_EVENTS)
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    flags |= SDL_INIT_EVENTTHREAD;
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#elif defined(CANT_THREAD_EVENTS)
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    if ((flags & SDL_INIT_EVENTTHREAD) == SDL_INIT_EVENTTHREAD) {
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        SDL_SetError("OS doesn't support threaded events");
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        return -1;
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    }
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#endif
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    /* Start the event loop */
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    if (SDL_StartEventLoop(flags) < 0) {
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        return -1;
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    }
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    /* Check to make sure we don't overwrite '_this' */
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    if (_this != NULL) {
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        SDL_VideoQuit();
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    }
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    /* Select the proper video driver */
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    index = 0;
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    video = NULL;
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    if (driver_name == NULL) {
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        driver_name = SDL_getenv("SDL_VIDEODRIVER");
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    }
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    if (driver_name != NULL) {
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        for (i = 0; bootstrap[i]; ++i) {
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            if (SDL_strncmp(bootstrap[i]->name, driver_name,
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                            SDL_strlen(bootstrap[i]->name)) == 0) {
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                if (bootstrap[i]->available()) {
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                    video = bootstrap[i]->create(index);
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                }
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                break;
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            }
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        }
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    } else {
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        for (i = 0; bootstrap[i]; ++i) {
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            if (bootstrap[i]->available()) {
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                video = bootstrap[i]->create(index);
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                if (video != NULL) {
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                    break;
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                }
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            }
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        }
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    }
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    if (video == NULL) {
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        if (driver_name) {
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            SDL_SetError("%s not available", driver_name);
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        } else {
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            SDL_SetError("No available video device");
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        }
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        return -1;
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    }
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    _this = video;
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    _this->name = bootstrap[i]->name;
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    _this->next_object_id = 1;
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    /* Set some very sane GL defaults */
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    _this->gl_config.driver_loaded = 0;
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    _this->gl_config.dll_handle = NULL;
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    _this->gl_config.red_size = 3;
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    _this->gl_config.green_size = 3;
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    _this->gl_config.blue_size = 2;
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    _this->gl_config.alpha_size = 0;
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    _this->gl_config.buffer_size = 0;
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    _this->gl_config.depth_size = 16;
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    _this->gl_config.stencil_size = 0;
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    _this->gl_config.double_buffer = 1;
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    _this->gl_config.accum_red_size = 0;
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    _this->gl_config.accum_green_size = 0;
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    _this->gl_config.accum_blue_size = 0;
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    _this->gl_config.accum_alpha_size = 0;
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    _this->gl_config.stereo = 0;
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    _this->gl_config.multisamplebuffers = 0;
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    _this->gl_config.multisamplesamples = 0;
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    _this->gl_config.accelerated = -1;  /* not known, don't set */
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    /* Initialize the video subsystem */
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    if (_this->VideoInit(_this) < 0) {
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        SDL_VideoQuit();
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        return -1;
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    }
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    /* Make sure some displays were added */
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    if (_this->num_displays == 0) {
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        SDL_SetError("The video driver did not add any displays");
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        SDL_VideoQuit();
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        return (-1);
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    }
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    /* The software renderer is always available */
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    for (i = 0; i < _this->num_displays; ++i) {
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#if SDL_VIDEO_RENDER_OGL
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        SDL_AddRenderDriver(i, &GL_RenderDriver);
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#endif
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        if (_this->displays[i].num_render_drivers > 0) {
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            SDL_AddRenderDriver(i, &SW_RenderDriver);
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        }
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    }
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    /* We're ready to go! */
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    return 0;
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}
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const char *
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SDL_GetCurrentVideoDriver()
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{
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    if (!_this) {
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        SDL_UninitializedVideo();
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        return NULL;
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    }
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    return _this->name;
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}
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SDL_VideoDevice *
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SDL_GetVideoDevice()
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{
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    return _this;
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}
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int
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SDL_AddBasicVideoDisplay(const SDL_DisplayMode * desktop_mode)
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{
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    SDL_VideoDisplay display;
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    SDL_zero(display);
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    if (desktop_mode) {
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        display.desktop_mode = *desktop_mode;
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    }
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    display.current_mode = display.desktop_mode;
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    return SDL_AddVideoDisplay(&display);
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}
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int
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SDL_AddVideoDisplay(const SDL_VideoDisplay * display)
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{
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    SDL_VideoDisplay *displays;
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    int index = -1;
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    displays =
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        SDL_realloc(_this->displays,
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                    (_this->num_displays + 1) * sizeof(*displays));
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    if (displays) {
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        index = _this->num_displays++;
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        displays[index] = *display;
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        displays[index].device = _this;
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        _this->displays = displays;
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    } else {
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        SDL_OutOfMemory();
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    }
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    return index;
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}
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int
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SDL_GetNumVideoDisplays(void)
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{
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    if (!_this) {
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        SDL_UninitializedVideo();
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        return 0;
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    }
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    return _this->num_displays;
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}
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int
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SDL_SelectVideoDisplay(int index)
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{
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    if (!_this) {
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        SDL_UninitializedVideo();
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        return (-1);
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    }
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    if (index < 0 || index >= _this->num_displays) {
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        SDL_SetError("index must be in the range 0 - %d",
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                     _this->num_displays - 1);
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        return -1;
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    }
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    _this->current_display = index;
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    return 0;
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}
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int
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SDL_GetCurrentVideoDisplay(void)
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{
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    if (!_this) {
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        SDL_UninitializedVideo();
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        return (-1);
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    }
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    return _this->current_display;
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}
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SDL_bool
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SDL_AddDisplayMode(int displayIndex, const SDL_DisplayMode * mode)
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{
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    SDL_VideoDisplay *display = &_this->displays[displayIndex];
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    SDL_DisplayMode *modes;
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    int i, nmodes;
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    /* Make sure we don't already have the mode in the list */
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    modes = display->display_modes;
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    nmodes = display->num_display_modes;
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    for (i = nmodes; i--;) {
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        if (SDL_memcmp(mode, &modes[i], sizeof(*mode)) == 0) {
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            return SDL_FALSE;
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   387
        }
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   388
    }
slouken@910
   389
slouken@1895
   390
    /* Go ahead and add the new mode */
slouken@1895
   391
    if (nmodes == display->max_display_modes) {
slouken@1895
   392
        modes =
slouken@1895
   393
            SDL_realloc(modes,
slouken@1895
   394
                        (display->max_display_modes + 32) * sizeof(*modes));
slouken@1895
   395
        if (!modes) {
slouken@1895
   396
            return SDL_FALSE;
slouken@1895
   397
        }
slouken@1895
   398
        display->display_modes = modes;
slouken@1895
   399
        display->max_display_modes += 32;
slouken@1895
   400
    }
slouken@1895
   401
    modes[nmodes] = *mode;
slouken@1895
   402
    display->num_display_modes++;
icculus@650
   403
slouken@1895
   404
    return SDL_TRUE;
slouken@1895
   405
}
slouken@0
   406
slouken@1895
   407
int
slouken@1895
   408
SDL_GetNumDisplayModes()
slouken@1895
   409
{
slouken@1895
   410
    if (_this) {
slouken@1895
   411
        SDL_VideoDisplay *display = &SDL_CurrentDisplay;
slouken@1895
   412
        if (!display->num_display_modes && _this->GetDisplayModes) {
slouken@1895
   413
            _this->GetDisplayModes(_this);
slouken@1895
   414
            SDL_qsort(display->display_modes, display->num_display_modes,
slouken@1895
   415
                      sizeof(SDL_DisplayMode), cmpmodes);
slouken@1895
   416
        }
slouken@1895
   417
        return display->num_display_modes;
slouken@1895
   418
    }
slouken@1895
   419
    return 0;
slouken@1895
   420
}
slouken@1895
   421
slouken@1967
   422
int
slouken@1967
   423
SDL_GetDisplayMode(int index, SDL_DisplayMode * mode)
slouken@1895
   424
{
slouken@1895
   425
    if (index < 0 || index >= SDL_GetNumDisplayModes()) {
slouken@1895
   426
        SDL_SetError("index must be in the range of 0 - %d",
slouken@1895
   427
                     SDL_GetNumDisplayModes() - 1);
slouken@1967
   428
        return -1;
slouken@1895
   429
    }
slouken@1967
   430
    if (mode) {
slouken@1967
   431
        *mode = SDL_CurrentDisplay.display_modes[index];
slouken@1967
   432
    }
slouken@1967
   433
    return 0;
slouken@1895
   434
}
slouken@1895
   435
slouken@1967
   436
int
slouken@1967
   437
SDL_GetDesktopDisplayMode(SDL_DisplayMode * mode)
slouken@1895
   438
{
slouken@1967
   439
    if (!_this) {
slouken@1967
   440
        SDL_UninitializedVideo();
slouken@1967
   441
        return -1;
slouken@1895
   442
    }
slouken@1967
   443
    if (mode) {
slouken@1967
   444
        *mode = SDL_CurrentDisplay.desktop_mode;
slouken@1967
   445
    }
slouken@1967
   446
    return 0;
slouken@1895
   447
}
slouken@0
   448
slouken@1967
   449
int
slouken@1967
   450
SDL_GetCurrentDisplayMode(SDL_DisplayMode * mode)
slouken@1895
   451
{
slouken@1967
   452
    if (!_this) {
slouken@1967
   453
        SDL_UninitializedVideo();
slouken@1967
   454
        return -1;
slouken@1895
   455
    }
slouken@1967
   456
    if (mode) {
slouken@1967
   457
        *mode = SDL_CurrentDisplay.current_mode;
slouken@1967
   458
    }
slouken@1967
   459
    return 0;
slouken@1895
   460
}
slouken@1895
   461
slouken@1895
   462
SDL_DisplayMode *
slouken@1895
   463
SDL_GetClosestDisplayMode(const SDL_DisplayMode * mode,
slouken@1895
   464
                          SDL_DisplayMode * closest)
slouken@1895
   465
{
slouken@1895
   466
    Uint32 target_format;
slouken@1895
   467
    int target_refresh_rate;
slouken@1895
   468
    int i;
slouken@1895
   469
    SDL_DisplayMode *current, *match;
slouken@0
   470
slouken@1895
   471
    if (!_this || !mode || !closest) {
slouken@1895
   472
        return NULL;
slouken@1895
   473
    }
slouken@1895
   474
slouken@1895
   475
    /* Default to the desktop format */
slouken@1895
   476
    if (mode->format) {
slouken@1895
   477
        target_format = mode->format;
slouken@1895
   478
    } else {
slouken@1895
   479
        target_format = SDL_CurrentDisplay.desktop_mode.format;
slouken@1895
   480
    }
slouken@1895
   481
slouken@1895
   482
    /* Default to the desktop refresh rate */
slouken@1895
   483
    if (mode->refresh_rate) {
slouken@1895
   484
        target_refresh_rate = mode->refresh_rate;
slouken@1895
   485
    } else {
slouken@1895
   486
        target_refresh_rate = SDL_CurrentDisplay.desktop_mode.refresh_rate;
slouken@1895
   487
    }
slouken@1895
   488
slouken@1895
   489
    match = NULL;
slouken@1895
   490
    for (i = 0; i < SDL_GetNumDisplayModes(); ++i) {
slouken@1895
   491
        current = &SDL_CurrentDisplay.display_modes[i];
slouken@0
   492
slouken@1895
   493
        if ((current->w && current->h) &&
slouken@1895
   494
            (current->w < mode->w || current->h < mode->h)) {
slouken@1895
   495
            /* Out of sorted modes large enough here */
slouken@1895
   496
            break;
slouken@1895
   497
        }
slouken@1895
   498
        if (!match || current->w < match->w || current->h < match->h) {
slouken@1895
   499
            match = current;
slouken@1895
   500
            continue;
slouken@1895
   501
        }
slouken@1895
   502
        if (current->format != match->format) {
slouken@1895
   503
            /* Sorted highest depth to lowest */
slouken@1895
   504
            if (current->format == target_format ||
slouken@1895
   505
                (SDL_BITSPERPIXEL(current->format) >=
slouken@1895
   506
                 SDL_BITSPERPIXEL(target_format)
slouken@1895
   507
                 && SDL_PIXELTYPE(current->format) ==
slouken@1895
   508
                 SDL_PIXELTYPE(target_format))) {
slouken@1895
   509
                match = current;
slouken@1895
   510
            }
slouken@1895
   511
            continue;
slouken@1895
   512
        }
slouken@1895
   513
        if (current->refresh_rate != match->refresh_rate) {
slouken@1895
   514
            /* Sorted highest refresh to lowest */
slouken@1895
   515
            if (current->refresh_rate >= target_refresh_rate) {
slouken@1895
   516
                match = current;
slouken@1895
   517
            }
slouken@1895
   518
        }
slouken@1895
   519
    }
slouken@1895
   520
    if (match) {
slouken@1895
   521
        if (match->format) {
slouken@1895
   522
            closest->format = match->format;
slouken@1895
   523
        } else {
slouken@1895
   524
            closest->format = mode->format;
slouken@1895
   525
        }
slouken@1895
   526
        if (match->w && match->h) {
slouken@1895
   527
            closest->w = match->w;
slouken@1895
   528
            closest->h = match->h;
slouken@1895
   529
        } else {
slouken@1895
   530
            closest->w = mode->w;
slouken@1895
   531
            closest->h = mode->h;
slouken@1895
   532
        }
slouken@1895
   533
        if (match->refresh_rate) {
slouken@1895
   534
            closest->refresh_rate = match->refresh_rate;
slouken@1895
   535
        } else {
slouken@1895
   536
            closest->refresh_rate = mode->refresh_rate;
slouken@1895
   537
        }
slouken@1895
   538
        closest->driverdata = match->driverdata;
slouken@0
   539
slouken@1895
   540
        /* Pick some reasonable defaults if the app and driver don't care */
slouken@1895
   541
        if (!closest->format) {
slouken@1965
   542
            closest->format = SDL_PIXELFORMAT_RGB888;
slouken@1895
   543
        }
slouken@1895
   544
        if (!closest->w) {
slouken@1895
   545
            closest->w = 640;
slouken@1895
   546
        }
slouken@1895
   547
        if (!closest->h) {
slouken@1895
   548
            closest->h = 480;
slouken@1895
   549
        }
slouken@1895
   550
        return closest;
slouken@1895
   551
    }
slouken@1895
   552
    return NULL;
slouken@1895
   553
}
slouken@1895
   554
slouken@1895
   555
int
slouken@1895
   556
SDL_SetDisplayMode(const SDL_DisplayMode * mode)
slouken@1895
   557
{
slouken@1895
   558
    SDL_VideoDisplay *display;
slouken@1895
   559
    SDL_DisplayMode display_mode;
slouken@1967
   560
    SDL_DisplayMode current_mode;
slouken@1895
   561
    int i, ncolors;
slouken@1895
   562
slouken@1895
   563
    if (!_this) {
slouken@1912
   564
        SDL_UninitializedVideo();
slouken@1895
   565
        return -1;
slouken@1895
   566
    }
slouken@0
   567
slouken@1967
   568
    display = &SDL_CurrentDisplay;
slouken@1895
   569
    if (!mode) {
slouken@1967
   570
        mode = &display->desktop_mode;
slouken@1895
   571
    }
slouken@1895
   572
    display_mode = *mode;
slouken@1895
   573
slouken@1895
   574
    /* Default to the current mode */
slouken@1895
   575
    if (!display_mode.format) {
slouken@1895
   576
        display_mode.format = display->current_mode.format;
slouken@1895
   577
    }
slouken@1895
   578
    if (!display_mode.w) {
slouken@1895
   579
        display_mode.w = display->current_mode.w;
slouken@1895
   580
    }
slouken@1895
   581
    if (!display_mode.h) {
slouken@1895
   582
        display_mode.h = display->current_mode.h;
slouken@1895
   583
    }
slouken@1895
   584
    if (!display_mode.refresh_rate) {
slouken@1895
   585
        display_mode.refresh_rate = display->current_mode.refresh_rate;
slouken@1895
   586
    }
slouken@1895
   587
slouken@1895
   588
    /* Get a good video mode, the closest one possible */
slouken@1895
   589
    if (!SDL_GetClosestDisplayMode(&display_mode, &display_mode)) {
slouken@1895
   590
        SDL_SetError("No video mode large enough for %dx%d",
slouken@1895
   591
                     display_mode.w, display_mode.h);
slouken@1895
   592
        return -1;
slouken@1895
   593
    }
slouken@1895
   594
slouken@1895
   595
    /* See if there's anything left to do */
slouken@1967
   596
    SDL_GetCurrentDisplayMode(&current_mode);
slouken@1967
   597
    if (SDL_memcmp(&display_mode, &current_mode, sizeof(display_mode)) == 0) {
slouken@1895
   598
        return 0;
slouken@1895
   599
    }
slouken@0
   600
slouken@1895
   601
    /* Actually change the display mode */
slouken@1895
   602
    if (_this->SetDisplayMode(_this, &display_mode) < 0) {
slouken@1895
   603
        return -1;
slouken@1895
   604
    }
slouken@1895
   605
    display->current_mode = display_mode;
slouken@1895
   606
slouken@1895
   607
    /* Set up a palette, if necessary */
slouken@1895
   608
    if (SDL_ISPIXELFORMAT_INDEXED(display_mode.format)) {
slouken@1895
   609
        ncolors = (1 << SDL_BITSPERPIXEL(display_mode.format));
slouken@1895
   610
    } else {
slouken@1895
   611
        ncolors = 0;
slouken@1895
   612
    }
slouken@1895
   613
    if ((!ncolors && display->palette) || (ncolors && !display->palette)
slouken@1895
   614
        || (ncolors && ncolors != display->palette->ncolors)) {
slouken@1895
   615
        if (display->palette) {
slouken@1895
   616
            SDL_FreePalette(display->palette);
slouken@1895
   617
            display->palette = NULL;
slouken@1895
   618
        }
slouken@1895
   619
        if (ncolors) {
slouken@1895
   620
            display->palette = SDL_AllocPalette(ncolors);
slouken@1895
   621
            if (!display->palette) {
slouken@1895
   622
                return -1;
slouken@1895
   623
            }
slouken@1895
   624
            SDL_DitherColors(display->palette->colors,
slouken@1895
   625
                             SDL_BITSPERPIXEL(display_mode.format));
slouken@1895
   626
        }
slouken@1895
   627
    }
slouken@1895
   628
slouken@1895
   629
    /* Move any fullscreen windows into position */
slouken@1895
   630
    for (i = 0; i < display->num_windows; ++i) {
slouken@1895
   631
        SDL_Window *window = &display->windows[i];
slouken@1895
   632
        if (FULLSCREEN_VISIBLE(window)) {
slouken@1956
   633
            SDL_SetWindowPosition(window->id, SDL_WINDOWPOS_CENTERED,
slouken@1956
   634
                                  SDL_WINDOWPOS_CENTERED);
slouken@1895
   635
        }
slouken@1895
   636
    }
slouken@1895
   637
slouken@1895
   638
    return 0;
slouken@0
   639
}
slouken@0
   640
slouken@1895
   641
int
slouken@1895
   642
SDL_SetFullscreenDisplayMode(const SDL_DisplayMode * mode)
slouken@1895
   643
{
slouken@1895
   644
    SDL_VideoDisplay *display;
slouken@1970
   645
    SDL_DisplayMode fullscreen_mode;
slouken@1895
   646
    int i;
slouken@1895
   647
slouken@1895
   648
    if (!_this) {
slouken@1912
   649
        SDL_UninitializedVideo();
slouken@1895
   650
        return -1;
slouken@1895
   651
    }
slouken@1895
   652
slouken@1895
   653
    display = &SDL_CurrentDisplay;
slouken@1970
   654
    if (!mode) {
slouken@1970
   655
        mode = &display->desktop_mode;
slouken@1895
   656
    }
slouken@1895
   657
slouken@1970
   658
    SDL_GetClosestDisplayMode(mode, &fullscreen_mode);
slouken@1970
   659
    if (SDL_memcmp
slouken@1970
   660
        (&fullscreen_mode, &display->fullscreen_mode,
slouken@1970
   661
         sizeof(fullscreen_mode)) == 0) {
slouken@1970
   662
        /* Nothing to do... */
slouken@1970
   663
        return 0;
slouken@1970
   664
    }
slouken@1970
   665
    display->fullscreen_mode = fullscreen_mode;
slouken@1970
   666
slouken@1895
   667
    /* Actually set the mode if we have a fullscreen window visible */
slouken@1895
   668
    for (i = 0; i < display->num_windows; ++i) {
slouken@1895
   669
        SDL_Window *window = &display->windows[i];
slouken@1895
   670
        if (FULLSCREEN_VISIBLE(window)) {
slouken@1970
   671
            if (SDL_SetDisplayMode(&display->fullscreen_mode) < 0) {
slouken@1970
   672
                return -1;
slouken@1970
   673
            }
slouken@1970
   674
        }
slouken@1970
   675
        if (window->flags & SDL_WINDOW_FULLSCREEN) {
slouken@1970
   676
            SDL_OnWindowResized(window);
slouken@1895
   677
        }
slouken@1895
   678
    }
slouken@1895
   679
    return 0;
slouken@1895
   680
}
slouken@1895
   681
slouken@1967
   682
int
slouken@1967
   683
SDL_GetFullscreenDisplayMode(SDL_DisplayMode * mode)
slouken@1895
   684
{
slouken@1967
   685
    if (!_this) {
slouken@1967
   686
        SDL_UninitializedVideo();
slouken@1967
   687
        return -1;
slouken@1895
   688
    }
slouken@1967
   689
    if (mode) {
slouken@1970
   690
        *mode = SDL_CurrentDisplay.fullscreen_mode;
slouken@1967
   691
    }
slouken@1967
   692
    return 0;
slouken@1895
   693
}
slouken@1895
   694
slouken@1895
   695
int
slouken@1895
   696
SDL_SetDisplayPalette(const SDL_Color * colors, int firstcolor, int ncolors)
slouken@0
   697
{
slouken@1895
   698
    SDL_Palette *palette;
slouken@1895
   699
    int status = 0;
slouken@1895
   700
slouken@1895
   701
    if (!_this) {
slouken@1912
   702
        SDL_UninitializedVideo();
slouken@1895
   703
        return -1;
slouken@1895
   704
    }
slouken@1895
   705
    palette = SDL_CurrentDisplay.palette;
slouken@1895
   706
    if (!palette) {
slouken@1895
   707
        SDL_SetError("Display mode does not have a palette");
slouken@1895
   708
        return -1;
slouken@1895
   709
    }
slouken@1895
   710
slouken@1895
   711
    status = SDL_SetPaletteColors(palette, colors, firstcolor, ncolors);
slouken@1895
   712
slouken@1895
   713
    if (_this->SetDisplayPalette) {
slouken@1895
   714
        if (_this->SetDisplayPalette(_this, palette) < 0) {
slouken@1895
   715
            status = -1;
slouken@1895
   716
        }
slouken@1895
   717
    }
slouken@1895
   718
    return status;
slouken@1895
   719
}
slouken@1895
   720
slouken@1895
   721
int
slouken@1895
   722
SDL_GetDisplayPalette(SDL_Color * colors, int firstcolor, int ncolors)
slouken@1895
   723
{
slouken@1895
   724
    SDL_Palette *palette;
slouken@1895
   725
slouken@1895
   726
    if (!_this) {
slouken@1912
   727
        SDL_UninitializedVideo();
slouken@1895
   728
        return -1;
slouken@1895
   729
    }
slouken@1895
   730
slouken@1895
   731
    palette = SDL_CurrentDisplay.palette;
slouken@1895
   732
    if (!palette->ncolors) {
slouken@1895
   733
        SDL_SetError("Display mode does not have a palette");
slouken@1895
   734
        return -1;
slouken@1895
   735
    }
slouken@1895
   736
slouken@1895
   737
    if (firstcolor < 0 || (firstcolor + ncolors) > palette->ncolors) {
slouken@1895
   738
        SDL_SetError("Palette indices are out of range");
slouken@1895
   739
        return -1;
slouken@1895
   740
    }
slouken@1895
   741
slouken@1895
   742
    SDL_memcpy(colors, &palette->colors[firstcolor],
slouken@1895
   743
               ncolors * sizeof(*colors));
slouken@1895
   744
    return 0;
slouken@1895
   745
}
slouken@1895
   746
slouken@1895
   747
SDL_WindowID
slouken@1895
   748
SDL_CreateWindow(const char *title, int x, int y, int w, int h, Uint32 flags)
slouken@1895
   749
{
slouken@1895
   750
    const Uint32 allowed_flags = (SDL_WINDOW_FULLSCREEN |
slouken@1895
   751
                                  SDL_WINDOW_OPENGL |
slouken@1895
   752
                                  SDL_WINDOW_BORDERLESS |
slouken@1956
   753
                                  SDL_WINDOW_RESIZABLE);
slouken@1895
   754
    SDL_VideoDisplay *display;
slouken@1895
   755
    SDL_Window window;
slouken@1895
   756
    int num_windows;
slouken@1895
   757
    SDL_Window *windows;
slouken@1895
   758
slouken@1895
   759
    if (!_this) {
slouken@1912
   760
        SDL_UninitializedVideo();
slouken@1912
   761
        return 0;
slouken@1912
   762
    }
slouken@1912
   763
slouken@1912
   764
    if ((flags & SDL_WINDOW_OPENGL) && !_this->GL_CreateContext) {
slouken@1912
   765
        SDL_SetError("No OpenGL support in video driver");
slouken@1895
   766
        return 0;
slouken@1895
   767
    }
slouken@0
   768
slouken@1956
   769
    /* Fullscreen windows don't have any window decorations */
slouken@1956
   770
    if (flags & SDL_WINDOW_FULLSCREEN) {
slouken@1956
   771
        flags |= SDL_WINDOW_BORDERLESS;
slouken@1956
   772
        flags &= ~SDL_WINDOW_RESIZABLE;
slouken@1956
   773
    }
slouken@1956
   774
slouken@1895
   775
    SDL_zero(window);
slouken@1895
   776
    window.id = _this->next_object_id++;
slouken@1895
   777
    window.x = x;
slouken@1895
   778
    window.y = y;
slouken@1895
   779
    window.w = w;
slouken@1895
   780
    window.h = h;
slouken@1895
   781
    window.flags = (flags & allowed_flags);
slouken@1895
   782
    window.display = _this->current_display;
slouken@1895
   783
slouken@1895
   784
    if (_this->CreateWindow && _this->CreateWindow(_this, &window) < 0) {
slouken@1895
   785
        return 0;
slouken@1895
   786
    }
slouken@1895
   787
slouken@1895
   788
    display = &SDL_CurrentDisplay;
slouken@1895
   789
    num_windows = display->num_windows;
slouken@1895
   790
    windows =
slouken@1895
   791
        SDL_realloc(display->windows, (num_windows + 1) * sizeof(*windows));
slouken@1895
   792
    if (!windows) {
slouken@1895
   793
        if (_this->DestroyWindow) {
slouken@1895
   794
            _this->DestroyWindow(_this, &window);
slouken@1895
   795
        }
slouken@1895
   796
        return 0;
slouken@1895
   797
    }
slouken@1895
   798
    windows[num_windows] = window;
slouken@1895
   799
    display->windows = windows;
slouken@1895
   800
    display->num_windows++;
slouken@1895
   801
slouken@1956
   802
    if (title) {
slouken@1956
   803
        SDL_SetWindowTitle(window.id, title);
slouken@1956
   804
    }
slouken@1956
   805
    if (flags & SDL_WINDOW_MAXIMIZED) {
slouken@1956
   806
        SDL_MaximizeWindow(window.id);
slouken@1895
   807
    }
slouken@1956
   808
    if (flags & SDL_WINDOW_MINIMIZED) {
slouken@1956
   809
        SDL_MinimizeWindow(window.id);
slouken@1956
   810
    }
slouken@1956
   811
    if (flags & SDL_WINDOW_SHOWN) {
slouken@1956
   812
        SDL_ShowWindow(window.id);
slouken@1956
   813
    }
slouken@1956
   814
    if (flags & SDL_WINDOW_INPUT_GRABBED) {
slouken@1956
   815
        SDL_SetWindowGrab(window.id, 1);
slouken@1956
   816
    }
slouken@1895
   817
    return window.id;
slouken@1895
   818
}
slouken@1895
   819
slouken@1895
   820
SDL_WindowID
slouken@1895
   821
SDL_CreateWindowFrom(const void *data)
slouken@1895
   822
{
slouken@1895
   823
    SDL_VideoDisplay *display;
slouken@1895
   824
    SDL_Window window;
slouken@1895
   825
    int num_windows;
slouken@1895
   826
    SDL_Window *windows;
slouken@1895
   827
slouken@1895
   828
    if (!_this) {
slouken@1912
   829
        SDL_UninitializedVideo();
slouken@1895
   830
        return (0);
slouken@1895
   831
    }
slouken@1895
   832
slouken@1895
   833
    SDL_zero(window);
slouken@1895
   834
    window.id = _this->next_object_id++;
slouken@1895
   835
    window.display = _this->current_display;
slouken@1895
   836
slouken@1895
   837
    if (!_this->CreateWindowFrom ||
slouken@1895
   838
        _this->CreateWindowFrom(_this, &window, data) < 0) {
slouken@1895
   839
        return 0;
slouken@1895
   840
    }
slouken@1895
   841
slouken@1895
   842
    display = &SDL_CurrentDisplay;
slouken@1895
   843
    num_windows = display->num_windows;
slouken@1895
   844
    windows =
slouken@1895
   845
        SDL_realloc(display->windows, (num_windows + 1) * sizeof(*windows));
slouken@1895
   846
    if (!windows) {
slouken@1895
   847
        if (_this->DestroyWindow) {
slouken@1895
   848
            _this->DestroyWindow(_this, &window);
slouken@1895
   849
        }
slouken@1895
   850
        if (window.title) {
slouken@1895
   851
            SDL_free(window.title);
slouken@1895
   852
        }
slouken@1895
   853
        return 0;
slouken@1895
   854
    }
slouken@1895
   855
    windows[num_windows] = window;
slouken@1895
   856
    display->windows = windows;
slouken@1895
   857
    display->num_windows++;
slouken@1895
   858
slouken@1895
   859
    return window.id;
slouken@1895
   860
}
slouken@1895
   861
slouken@1924
   862
int
slouken@1928
   863
SDL_RecreateWindow(SDL_Window * window, Uint32 flags)
slouken@1924
   864
{
slouken@1956
   865
    char *title = window->title;
slouken@1956
   866
slouken@1928
   867
    if ((flags & SDL_WINDOW_OPENGL) && !_this->GL_CreateContext) {
slouken@1924
   868
        SDL_SetError("No OpenGL support in video driver");
slouken@1924
   869
        return -1;
slouken@1924
   870
    }
slouken@1956
   871
slouken@1924
   872
    if (_this->DestroyWindow) {
slouken@1924
   873
        _this->DestroyWindow(_this, window);
slouken@1924
   874
    }
slouken@1956
   875
slouken@1956
   876
    window->title = NULL;
slouken@1956
   877
    window->flags =
slouken@1956
   878
        (flags &
slouken@1956
   879
         ~(SDL_WINDOW_MAXIMIZED | SDL_WINDOW_MINIMIZED | SDL_WINDOW_SHOWN |
slouken@1956
   880
           SDL_WINDOW_INPUT_GRABBED));
slouken@1956
   881
slouken@1956
   882
    if (_this->CreateWindow && _this->CreateWindow(_this, window) < 0) {
slouken@1956
   883
        return -1;
slouken@1956
   884
    }
slouken@1956
   885
slouken@1956
   886
    if (title) {
slouken@1956
   887
        SDL_SetWindowTitle(window->id, title);
slouken@1956
   888
        SDL_free(title);
slouken@1956
   889
    }
slouken@1956
   890
    if (flags & SDL_WINDOW_MAXIMIZED) {
slouken@1956
   891
        SDL_MaximizeWindow(window->id);
slouken@1956
   892
    }
slouken@1956
   893
    if (flags & SDL_WINDOW_MINIMIZED) {
slouken@1956
   894
        SDL_MinimizeWindow(window->id);
slouken@1956
   895
    }
slouken@1956
   896
    if (flags & SDL_WINDOW_SHOWN) {
slouken@1956
   897
        SDL_ShowWindow(window->id);
slouken@1956
   898
    }
slouken@1956
   899
    if (flags & SDL_WINDOW_INPUT_GRABBED) {
slouken@1956
   900
        SDL_SetWindowGrab(window->id, 1);
slouken@1956
   901
    }
slouken@1956
   902
    return 0;
slouken@1924
   903
}
slouken@1924
   904
slouken@1895
   905
SDL_Window *
slouken@1895
   906
SDL_GetWindowFromID(SDL_WindowID windowID)
slouken@1895
   907
{
slouken@1895
   908
    int i, j;
slouken@1895
   909
slouken@1895
   910
    if (!_this) {
slouken@1912
   911
        SDL_UninitializedVideo();
slouken@1895
   912
        return NULL;
slouken@1895
   913
    }
slouken@1895
   914
slouken@1895
   915
    for (i = 0; i < _this->num_displays; ++i) {
slouken@1895
   916
        SDL_VideoDisplay *display = &_this->displays[i];
slouken@1895
   917
        for (j = 0; j < display->num_windows; ++j) {
slouken@1895
   918
            SDL_Window *window = &display->windows[j];
slouken@1895
   919
            if (window->id == windowID) {
slouken@1895
   920
                return window;
slouken@1895
   921
            }
slouken@1895
   922
        }
slouken@1895
   923
    }
slouken@1895
   924
    return NULL;
slouken@0
   925
}
slouken@0
   926
slouken@1895
   927
SDL_VideoDisplay *
slouken@1895
   928
SDL_GetDisplayFromWindow(SDL_Window * window)
slouken@1895
   929
{
slouken@1895
   930
    if (!_this) {
slouken@1912
   931
        SDL_UninitializedVideo();
slouken@1895
   932
        return NULL;
slouken@1895
   933
    }
slouken@1956
   934
    if (!window) {
slouken@1956
   935
        return NULL;
slouken@1956
   936
    }
slouken@1895
   937
    return &_this->displays[window->display];
slouken@1895
   938
}
slouken@1895
   939
slouken@1895
   940
Uint32
slouken@1895
   941
SDL_GetWindowFlags(SDL_WindowID windowID)
slouken@1895
   942
{
slouken@1895
   943
    SDL_Window *window = SDL_GetWindowFromID(windowID);
slouken@1895
   944
slouken@1895
   945
    if (!window) {
slouken@1895
   946
        return 0;
slouken@1895
   947
    }
slouken@1895
   948
    return window->flags;
slouken@1895
   949
}
slouken@1895
   950
slouken@1895
   951
void
slouken@1895
   952
SDL_SetWindowTitle(SDL_WindowID windowID, const char *title)
slouken@1895
   953
{
slouken@1895
   954
    SDL_Window *window = SDL_GetWindowFromID(windowID);
slouken@1956
   955
    const char *last_title;
slouken@1895
   956
slouken@1956
   957
    if (!window || title == window->title) {
slouken@1895
   958
        return;
slouken@1895
   959
    }
slouken@1956
   960
slouken@1895
   961
    if (window->title) {
slouken@1895
   962
        SDL_free(window->title);
slouken@1895
   963
    }
slouken@1956
   964
    if (title) {
slouken@1956
   965
        window->title = SDL_strdup(title);
slouken@1956
   966
    } else {
slouken@1956
   967
        window->title = NULL;
slouken@1956
   968
    }
slouken@1895
   969
slouken@1895
   970
    if (_this->SetWindowTitle) {
slouken@1895
   971
        _this->SetWindowTitle(_this, window);
slouken@1895
   972
    }
slouken@1895
   973
}
slouken@1895
   974
slouken@1895
   975
const char *
slouken@1895
   976
SDL_GetWindowTitle(SDL_WindowID windowID)
slouken@1895
   977
{
slouken@1895
   978
    SDL_Window *window = SDL_GetWindowFromID(windowID);
slouken@1895
   979
slouken@1895
   980
    if (!window) {
slouken@1895
   981
        return NULL;
slouken@1895
   982
    }
slouken@1895
   983
    return window->title;
slouken@1895
   984
}
slouken@1895
   985
slouken@1895
   986
void
slouken@1895
   987
SDL_SetWindowData(SDL_WindowID windowID, void *userdata)
slouken@0
   988
{
slouken@1895
   989
    SDL_Window *window = SDL_GetWindowFromID(windowID);
slouken@1895
   990
slouken@1895
   991
    if (!window) {
slouken@1895
   992
        return;
slouken@1895
   993
    }
slouken@1895
   994
    window->userdata = userdata;
slouken@1895
   995
}
slouken@1895
   996
slouken@1895
   997
void *
slouken@1895
   998
SDL_GetWindowData(SDL_WindowID windowID)
slouken@1895
   999
{
slouken@1895
  1000
    SDL_Window *window = SDL_GetWindowFromID(windowID);
slouken@1895
  1001
slouken@1895
  1002
    if (!window) {
slouken@1895
  1003
        return NULL;
slouken@1895
  1004
    }
slouken@1895
  1005
    return window->userdata;
slouken@1895
  1006
}
slouken@1895
  1007
slouken@1895
  1008
void
slouken@1895
  1009
SDL_SetWindowPosition(SDL_WindowID windowID, int x, int y)
slouken@1895
  1010
{
slouken@1895
  1011
    SDL_Window *window = SDL_GetWindowFromID(windowID);
slouken@1956
  1012
    SDL_VideoDisplay *display = SDL_GetDisplayFromWindow(window);
slouken@1895
  1013
slouken@1895
  1014
    if (!window) {
slouken@1895
  1015
        return;
slouken@1895
  1016
    }
slouken@0
  1017
slouken@1956
  1018
    if (x == SDL_WINDOWPOS_CENTERED) {
slouken@1956
  1019
        window->x = (display->current_mode.w - window->w) / 2;
slouken@1956
  1020
    } else if (x != SDL_WINDOWPOS_UNDEFINED) {
slouken@1895
  1021
        window->x = x;
slouken@1895
  1022
    }
slouken@1956
  1023
    if (y == SDL_WINDOWPOS_CENTERED) {
slouken@1956
  1024
        window->y = (display->current_mode.h - window->h) / 2;
slouken@1956
  1025
    } else if (y != SDL_WINDOWPOS_UNDEFINED) {
slouken@1895
  1026
        window->y = y;
slouken@1895
  1027
    }
slouken@1895
  1028
slouken@1895
  1029
    if (_this->SetWindowPosition) {
slouken@1895
  1030
        _this->SetWindowPosition(_this, window);
slouken@1895
  1031
    }
slouken@1895
  1032
}
slouken@1895
  1033
slouken@1895
  1034
void
slouken@1895
  1035
SDL_GetWindowPosition(SDL_WindowID windowID, int *x, int *y)
slouken@1895
  1036
{
slouken@1895
  1037
    SDL_Window *window = SDL_GetWindowFromID(windowID);
slouken@1895
  1038
slouken@1895
  1039
    if (!window) {
slouken@1895
  1040
        return;
slouken@1895
  1041
    }
slouken@1895
  1042
    if (x) {
slouken@1895
  1043
        *x = window->x;
slouken@1895
  1044
    }
slouken@1895
  1045
    if (y) {
slouken@1895
  1046
        *y = window->y;
slouken@1895
  1047
    }
slouken@1895
  1048
}
slouken@1895
  1049
slouken@1895
  1050
void
slouken@1895
  1051
SDL_SetWindowSize(SDL_WindowID windowID, int w, int h)
slouken@1895
  1052
{
slouken@1895
  1053
    SDL_Window *window = SDL_GetWindowFromID(windowID);
slouken@1895
  1054
slouken@1895
  1055
    if (!window) {
slouken@1895
  1056
        return;
slouken@1895
  1057
    }
slouken@0
  1058
slouken@1895
  1059
    window->w = w;
slouken@1895
  1060
    window->h = h;
slouken@1895
  1061
slouken@1895
  1062
    if (_this->SetWindowSize) {
slouken@1895
  1063
        _this->SetWindowSize(_this, window);
slouken@1895
  1064
    }
slouken@1895
  1065
}
slouken@1895
  1066
slouken@1895
  1067
void
slouken@1895
  1068
SDL_GetWindowSize(SDL_WindowID windowID, int *w, int *h)
slouken@1895
  1069
{
slouken@1895
  1070
    SDL_Window *window = SDL_GetWindowFromID(windowID);
slouken@1895
  1071
slouken@1895
  1072
    if (!window) {
slouken@1895
  1073
        return;
slouken@1895
  1074
    }
slouken@1895
  1075
    if (w) {
slouken@1895
  1076
        *w = window->w;
slouken@1895
  1077
    }
slouken@1895
  1078
    if (h) {
slouken@1895
  1079
        *h = window->h;
slouken@1895
  1080
    }
slouken@1895
  1081
}
slouken@1895
  1082
slouken@1895
  1083
void
slouken@1895
  1084
SDL_ShowWindow(SDL_WindowID windowID)
slouken@1895
  1085
{
slouken@1895
  1086
    SDL_Window *window = SDL_GetWindowFromID(windowID);
slouken@1895
  1087
slouken@1895
  1088
    if (!window || (window->flags & SDL_WINDOW_SHOWN)) {
slouken@1895
  1089
        return;
slouken@1895
  1090
    }
slouken@1895
  1091
slouken@1895
  1092
    SDL_SendWindowEvent(window->id, SDL_WINDOWEVENT_SHOWN, 0, 0);
slouken@1895
  1093
slouken@1895
  1094
    if (_this->ShowWindow) {
slouken@1895
  1095
        _this->ShowWindow(_this, window);
slouken@1895
  1096
    }
slouken@1895
  1097
}
slouken@1895
  1098
slouken@1895
  1099
void
slouken@1895
  1100
SDL_HideWindow(SDL_WindowID windowID)
slouken@1895
  1101
{
slouken@1895
  1102
    SDL_Window *window = SDL_GetWindowFromID(windowID);
slouken@1895
  1103
slouken@1895
  1104
    if (!window || !(window->flags & SDL_WINDOW_SHOWN)) {
slouken@1895
  1105
        return;
slouken@1895
  1106
    }
slouken@1895
  1107
slouken@1895
  1108
    SDL_SendWindowEvent(window->id, SDL_WINDOWEVENT_HIDDEN, 0, 0);
slouken@1895
  1109
slouken@1895
  1110
    if (_this->HideWindow) {
slouken@1895
  1111
        _this->HideWindow(_this, window);
slouken@1895
  1112
    }
slouken@1895
  1113
}
slouken@0
  1114
slouken@1895
  1115
void
slouken@1895
  1116
SDL_RaiseWindow(SDL_WindowID windowID)
slouken@1895
  1117
{
slouken@1895
  1118
    SDL_Window *window = SDL_GetWindowFromID(windowID);
slouken@1895
  1119
slouken@1956
  1120
    if (!window || !(window->flags & SDL_WINDOW_SHOWN)) {
slouken@1895
  1121
        return;
slouken@1895
  1122
    }
slouken@1895
  1123
slouken@1895
  1124
    if (_this->RaiseWindow) {
slouken@1895
  1125
        _this->RaiseWindow(_this, window);
slouken@1895
  1126
    }
slouken@1895
  1127
}
slouken@1895
  1128
slouken@1895
  1129
void
slouken@1895
  1130
SDL_MaximizeWindow(SDL_WindowID windowID)
slouken@1895
  1131
{
slouken@1895
  1132
    SDL_Window *window = SDL_GetWindowFromID(windowID);
slouken@1895
  1133
slouken@1895
  1134
    if (!window || (window->flags & SDL_WINDOW_MAXIMIZED)) {
slouken@1895
  1135
        return;
slouken@1895
  1136
    }
slouken@1895
  1137
slouken@1895
  1138
    SDL_SendWindowEvent(window->id, SDL_WINDOWEVENT_MAXIMIZED, 0, 0);
slouken@1895
  1139
slouken@1895
  1140
    if (_this->MaximizeWindow) {
slouken@1895
  1141
        _this->MaximizeWindow(_this, window);
slouken@1895
  1142
    }
slouken@1895
  1143
}
slouken@0
  1144
slouken@1895
  1145
void
slouken@1895
  1146
SDL_MinimizeWindow(SDL_WindowID windowID)
slouken@1895
  1147
{
slouken@1895
  1148
    SDL_Window *window = SDL_GetWindowFromID(windowID);
slouken@1895
  1149
slouken@1895
  1150
    if (!window || (window->flags & SDL_WINDOW_MINIMIZED)) {
slouken@1895
  1151
        return;
slouken@1895
  1152
    }
slouken@1895
  1153
slouken@1895
  1154
    SDL_SendWindowEvent(window->id, SDL_WINDOWEVENT_MINIMIZED, 0, 0);
slouken@1895
  1155
slouken@1895
  1156
    if (_this->MinimizeWindow) {
slouken@1895
  1157
        _this->MinimizeWindow(_this, window);
slouken@1895
  1158
    }
slouken@1895
  1159
}
slouken@1895
  1160
slouken@1895
  1161
void
slouken@1895
  1162
SDL_RestoreWindow(SDL_WindowID windowID)
slouken@1895
  1163
{
slouken@1895
  1164
    SDL_Window *window = SDL_GetWindowFromID(windowID);
slouken@1895
  1165
slouken@1895
  1166
    if (!window
slouken@1895
  1167
        || (window->flags & (SDL_WINDOW_MAXIMIZED | SDL_WINDOW_MINIMIZED))) {
slouken@1895
  1168
        return;
slouken@1895
  1169
    }
slouken@1895
  1170
slouken@1895
  1171
    SDL_SendWindowEvent(window->id, SDL_WINDOWEVENT_RESTORED, 0, 0);
slouken@1895
  1172
slouken@1895
  1173
    if (_this->RestoreWindow) {
slouken@1895
  1174
        _this->RestoreWindow(_this, window);
slouken@1895
  1175
    }
slouken@0
  1176
}
slouken@0
  1177
slouken@1895
  1178
int
slouken@1895
  1179
SDL_SetWindowFullscreen(SDL_WindowID windowID, int fullscreen)
slouken@0
  1180
{
slouken@1895
  1181
    SDL_Window *window = SDL_GetWindowFromID(windowID);
slouken@1895
  1182
slouken@1895
  1183
    if (!window) {
slouken@1895
  1184
        return -1;
slouken@1895
  1185
    }
slouken@1895
  1186
slouken@1895
  1187
    if (fullscreen) {
slouken@1895
  1188
        fullscreen = SDL_WINDOW_FULLSCREEN;
slouken@1895
  1189
    }
slouken@1895
  1190
    if ((window->flags & SDL_WINDOW_FULLSCREEN) == fullscreen) {
slouken@1895
  1191
        return 0;
slouken@1895
  1192
    }
slouken@1895
  1193
slouken@1895
  1194
    if (fullscreen) {
slouken@1895
  1195
        window->flags |= SDL_WINDOW_FULLSCREEN;
slouken@1895
  1196
slouken@1895
  1197
        if (FULLSCREEN_VISIBLE(window)) {
slouken@1895
  1198
            SDL_VideoDisplay *display = SDL_GetDisplayFromWindow(window);
slouken@1895
  1199
slouken@1895
  1200
            /* Hide any other fullscreen windows */
slouken@1895
  1201
            int i;
slouken@1895
  1202
            for (i = 0; i < display->num_windows; ++i) {
slouken@1895
  1203
                SDL_Window *other = &display->windows[i];
slouken@1895
  1204
                if (other->id != windowID && FULLSCREEN_VISIBLE(other)) {
slouken@1895
  1205
                    SDL_MinimizeWindow(other->id);
slouken@1895
  1206
                }
slouken@1895
  1207
            }
slouken@1895
  1208
slouken@1970
  1209
            SDL_SetDisplayMode(&display->fullscreen_mode);
slouken@1895
  1210
        }
slouken@1895
  1211
    } else {
slouken@1895
  1212
        window->flags &= ~SDL_WINDOW_FULLSCREEN;
slouken@1895
  1213
slouken@1895
  1214
        if (FULLSCREEN_VISIBLE(window)) {
slouken@1895
  1215
            SDL_SetDisplayMode(NULL);
slouken@1895
  1216
        }
slouken@1895
  1217
    }
slouken@1895
  1218
    return 0;
slouken@1895
  1219
}
slouken@1895
  1220
slouken@1895
  1221
void
slouken@1895
  1222
SDL_SetWindowGrab(SDL_WindowID windowID, int mode)
slouken@1895
  1223
{
slouken@1895
  1224
    SDL_Window *window = SDL_GetWindowFromID(windowID);
slouken@1895
  1225
slouken@1895
  1226
    if (!window || (!!mode == !!(window->flags & SDL_WINDOW_INPUT_GRABBED))) {
slouken@1895
  1227
        return;
slouken@1895
  1228
    }
slouken@0
  1229
slouken@1895
  1230
    if (mode) {
slouken@1895
  1231
        window->flags |= SDL_WINDOW_INPUT_GRABBED;
slouken@1895
  1232
    } else {
slouken@1895
  1233
        window->flags &= ~SDL_WINDOW_INPUT_GRABBED;
slouken@1895
  1234
    }
slouken@1895
  1235
slouken@1895
  1236
    if ((window->flags & SDL_WINDOW_INPUT_FOCUS) && _this->SetWindowGrab) {
slouken@1895
  1237
        _this->SetWindowGrab(_this, window);
slouken@1895
  1238
    }
slouken@1895
  1239
}
slouken@1895
  1240
slouken@1895
  1241
int
slouken@1895
  1242
SDL_GetWindowGrab(SDL_WindowID windowID)
slouken@1895
  1243
{
slouken@1895
  1244
    SDL_Window *window = SDL_GetWindowFromID(windowID);
slouken@1895
  1245
slouken@1895
  1246
    if (!window) {
slouken@1895
  1247
        return 0;
slouken@1895
  1248
    }
slouken@1895
  1249
slouken@1895
  1250
    return ((window->flags & SDL_WINDOW_INPUT_GRABBED) != 0);
slouken@1895
  1251
}
slouken@0
  1252
slouken@1895
  1253
void
slouken@1895
  1254
SDL_OnWindowShown(SDL_Window * window)
slouken@1895
  1255
{
slouken@1895
  1256
}
slouken@1895
  1257
slouken@1895
  1258
void
slouken@1895
  1259
SDL_OnWindowHidden(SDL_Window * window)
slouken@1895
  1260
{
slouken@0
  1261
}
slouken@1895
  1262
slouken@1895
  1263
void
slouken@1970
  1264
SDL_OnWindowResized(SDL_Window * window)
slouken@1970
  1265
{
slouken@1970
  1266
    SDL_Renderer *renderer = window->renderer;
slouken@1970
  1267
slouken@1970
  1268
    if (renderer && renderer->DisplayModeChanged) {
slouken@1970
  1269
        renderer->DisplayModeChanged(renderer);
slouken@1970
  1270
    }
slouken@1970
  1271
}
slouken@1970
  1272
slouken@1970
  1273
void
slouken@1895
  1274
SDL_OnWindowFocusGained(SDL_Window * window)
slouken@0
  1275
{
slouken@1895
  1276
    SDL_VideoDisplay *display = SDL_GetDisplayFromWindow(window);
slouken@1895
  1277
slouken@1895
  1278
    if (window->flags & SDL_WINDOW_FULLSCREEN) {
slouken@1970
  1279
        SDL_SetDisplayMode(&display->fullscreen_mode);
slouken@1895
  1280
    }
slouken@1895
  1281
    if (display->gamma && _this->SetDisplayGammaRamp) {
slouken@1895
  1282
        _this->SetDisplayGammaRamp(_this, display->gamma);
slouken@1895
  1283
    }
slouken@1895
  1284
    if ((window->flags & SDL_WINDOW_INPUT_GRABBED) && _this->SetWindowGrab) {
slouken@1895
  1285
        _this->SetWindowGrab(_this, window);
slouken@1895
  1286
    }
slouken@1895
  1287
}
slouken@1895
  1288
slouken@1895
  1289
void
slouken@1895
  1290
SDL_OnWindowFocusLost(SDL_Window * window)
slouken@1895
  1291
{
slouken@1895
  1292
    SDL_VideoDisplay *display = SDL_GetDisplayFromWindow(window);
slouken@0
  1293
slouken@1895
  1294
    if (window->flags & SDL_WINDOW_FULLSCREEN) {
slouken@1895
  1295
        SDL_MinimizeWindow(window->id);
slouken@1895
  1296
        SDL_SetDisplayMode(NULL);
slouken@1895
  1297
    }
slouken@1895
  1298
    if (display->gamma && _this->SetDisplayGammaRamp) {
slouken@1895
  1299
        _this->SetDisplayGammaRamp(_this, display->saved_gamma);
slouken@1895
  1300
    }
slouken@1895
  1301
    if ((window->flags & SDL_WINDOW_INPUT_GRABBED) && _this->SetWindowGrab) {
slouken@1895
  1302
        _this->SetWindowGrab(_this, window);
slouken@1895
  1303
    }
slouken@1895
  1304
}
slouken@1895
  1305
slouken@1895
  1306
SDL_WindowID
slouken@1895
  1307
SDL_GetFocusWindow(void)
slouken@1895
  1308
{
slouken@1895
  1309
    SDL_VideoDisplay *display;
slouken@1895
  1310
    int i;
slouken@1895
  1311
slouken@1895
  1312
    if (!_this) {
slouken@1895
  1313
        return 0;
slouken@1895
  1314
    }
slouken@1895
  1315
slouken@1895
  1316
    display = &SDL_CurrentDisplay;
slouken@1895
  1317
    for (i = 0; i < display->num_windows; ++i) {
slouken@1895
  1318
        SDL_Window *window = &display->windows[i];
slouken@1895
  1319
slouken@1895
  1320
        if (window->flags & SDL_WINDOW_INPUT_FOCUS) {
slouken@1895
  1321
            return window->id;
slouken@1895
  1322
        }
slouken@1895
  1323
    }
slouken@1895
  1324
    return 0;
slouken@1895
  1325
}
slouken@1895
  1326
slouken@1895
  1327
void
slouken@1895
  1328
SDL_DestroyWindow(SDL_WindowID windowID)
slouken@1895
  1329
{
slouken@1895
  1330
    int i, j;
slouken@1895
  1331
slouken@1895
  1332
    if (!_this) {
slouken@1895
  1333
        return;
slouken@1895
  1334
    }
slouken@1895
  1335
slouken@1895
  1336
    /* Restore video mode, etc. */
slouken@1895
  1337
    SDL_SendWindowEvent(windowID, SDL_WINDOWEVENT_FOCUS_LOST, 0, 0);
slouken@0
  1338
slouken@1895
  1339
    for (i = 0; i < _this->num_displays; ++i) {
slouken@1895
  1340
        SDL_VideoDisplay *display = &_this->displays[i];
slouken@1895
  1341
        for (j = 0; j < display->num_windows; ++j) {
slouken@1895
  1342
            SDL_Window *window = &display->windows[j];
slouken@1895
  1343
            if (window->id != windowID) {
slouken@1895
  1344
                continue;
slouken@1895
  1345
            }
slouken@1895
  1346
            if (window->renderer) {
slouken@1895
  1347
                SDL_DestroyRenderer(window->id);
slouken@1895
  1348
            }
slouken@1895
  1349
            if (_this->DestroyWindow) {
slouken@1895
  1350
                _this->DestroyWindow(_this, window);
slouken@1895
  1351
            }
slouken@1895
  1352
            if (window->title) {
slouken@1895
  1353
                SDL_free(window->title);
slouken@1895
  1354
            }
slouken@1895
  1355
            if (j != display->num_windows - 1) {
slouken@1895
  1356
                SDL_memcpy(&display->windows[i],
slouken@1895
  1357
                           &display->windows[i + 1],
slouken@1895
  1358
                           (display->num_windows - i - 1) * sizeof(*window));
slouken@1895
  1359
            }
slouken@1895
  1360
            --display->num_windows;
slouken@1895
  1361
            return;
slouken@1895
  1362
        }
slouken@1895
  1363
    }
slouken@1895
  1364
}
slouken@1895
  1365
slouken@1895
  1366
void
slouken@1895
  1367
SDL_AddRenderDriver(int displayIndex, const SDL_RenderDriver * driver)
slouken@1895
  1368
{
slouken@1895
  1369
    SDL_VideoDisplay *display = &_this->displays[displayIndex];
slouken@1895
  1370
    SDL_RenderDriver *render_drivers;
slouken@1895
  1371
slouken@1895
  1372
    render_drivers =
slouken@1895
  1373
        SDL_realloc(display->render_drivers,
slouken@1895
  1374
                    (display->num_render_drivers +
slouken@1895
  1375
                     1) * sizeof(*render_drivers));
slouken@1895
  1376
    if (render_drivers) {
slouken@1895
  1377
        render_drivers[display->num_render_drivers] = *driver;
slouken@1895
  1378
        display->render_drivers = render_drivers;
slouken@1895
  1379
        display->num_render_drivers++;
slouken@1895
  1380
    }
slouken@1895
  1381
}
slouken@1895
  1382
slouken@1895
  1383
int
slouken@1969
  1384
SDL_GetNumRenderDrivers(void)
slouken@1895
  1385
{
slouken@1895
  1386
    if (_this) {
slouken@1895
  1387
        return SDL_CurrentDisplay.num_render_drivers;
slouken@1895
  1388
    }
slouken@1895
  1389
    return 0;
slouken@1895
  1390
}
slouken@1895
  1391
slouken@1895
  1392
int
slouken@1969
  1393
SDL_GetRenderDriverInfo(int index, SDL_RendererInfo * info)
slouken@1895
  1394
{
slouken@1907
  1395
    if (!_this) {
slouken@1912
  1396
        SDL_UninitializedVideo();
slouken@1907
  1397
        return -1;
slouken@1907
  1398
    }
slouken@1907
  1399
slouken@1969
  1400
    if (index < 0 || index >= SDL_GetNumRenderDrivers()) {
slouken@1895
  1401
        SDL_SetError("index must be in the range of 0 - %d",
slouken@1969
  1402
                     SDL_GetNumRenderDrivers() - 1);
slouken@1895
  1403
        return -1;
slouken@1895
  1404
    }
slouken@1969
  1405
    *info = SDL_CurrentDisplay.render_drivers[index].info;
slouken@1895
  1406
    return 0;
slouken@0
  1407
}
slouken@0
  1408
slouken@1895
  1409
int
slouken@1895
  1410
SDL_CreateRenderer(SDL_WindowID windowID, int index, Uint32 flags)
slouken@0
  1411
{
slouken@1895
  1412
    SDL_Window *window = SDL_GetWindowFromID(windowID);
slouken@1895
  1413
slouken@1895
  1414
    if (!window) {
slouken@1895
  1415
        return 0;
slouken@1895
  1416
    }
slouken@1895
  1417
slouken@1895
  1418
    if (index < 0) {
slouken@1905
  1419
        const char *override = SDL_getenv("SDL_VIDEO_RENDERER");
slouken@1969
  1420
        int n = SDL_GetNumRenderDrivers();
slouken@1895
  1421
        for (index = 0; index < n; ++index) {
slouken@1895
  1422
            SDL_RenderDriver *driver =
slouken@1895
  1423
                &SDL_CurrentDisplay.render_drivers[index];
slouken@1895
  1424
slouken@1905
  1425
            if (override) {
slouken@1905
  1426
                if (SDL_strcasecmp(override, driver->info.name) == 0) {
slouken@1905
  1427
                    break;
slouken@1905
  1428
                }
slouken@1905
  1429
            } else {
slouken@1905
  1430
                if ((driver->info.flags & flags) == flags) {
slouken@1905
  1431
                    break;
slouken@1905
  1432
                }
slouken@1895
  1433
            }
slouken@1895
  1434
        }
slouken@1895
  1435
        if (index == n) {
slouken@1895
  1436
            SDL_SetError("Couldn't find matching render driver");
slouken@1895
  1437
            return -1;
slouken@1895
  1438
        }
slouken@1895
  1439
    }
slouken@1895
  1440
slouken@1969
  1441
    if (index >= SDL_GetNumRenderDrivers()) {
slouken@1895
  1442
        SDL_SetError("index must be -1 or in the range of 0 - %d",
slouken@1969
  1443
                     SDL_GetNumRenderDrivers() - 1);
slouken@1895
  1444
        return -1;
slouken@1895
  1445
    }
slouken@1895
  1446
slouken@1895
  1447
    /* Free any existing renderer */
slouken@1895
  1448
    SDL_DestroyRenderer(windowID);
slouken@1895
  1449
slouken@1895
  1450
    /* Create a new renderer instance */
slouken@1895
  1451
    window->renderer =
slouken@1895
  1452
        SDL_CurrentDisplay.render_drivers[index].CreateRenderer(window,
slouken@1895
  1453
                                                                flags);
slouken@1923
  1454
    SDL_SelectRenderer(window->id);
slouken@1895
  1455
slouken@1895
  1456
    return 0;
slouken@1895
  1457
}
slouken@0
  1458
slouken@1895
  1459
int
slouken@1895
  1460
SDL_SelectRenderer(SDL_WindowID windowID)
slouken@1895
  1461
{
slouken@1895
  1462
    SDL_Window *window = SDL_GetWindowFromID(windowID);
slouken@1923
  1463
    SDL_Renderer *renderer;
slouken@1895
  1464
slouken@1895
  1465
    if (!window || !window->renderer) {
slouken@1895
  1466
        return -1;
slouken@1895
  1467
    }
slouken@1923
  1468
    renderer = window->renderer;
slouken@1923
  1469
    if (renderer && renderer->ActivateRenderer) {
slouken@1923
  1470
        if (renderer->ActivateRenderer(renderer) < 0) {
slouken@1923
  1471
            return -1;
slouken@1923
  1472
        }
slouken@1923
  1473
    }
slouken@1923
  1474
    SDL_CurrentDisplay.current_renderer = renderer;
slouken@1895
  1475
    return 0;
slouken@1895
  1476
}
slouken@1895
  1477
slouken@1969
  1478
int
slouken@1969
  1479
SDL_GetRendererInfo(SDL_RendererInfo * info)
slouken@1969
  1480
{
slouken@1969
  1481
    if (!_this) {
slouken@1969
  1482
        SDL_UninitializedVideo();
slouken@1969
  1483
        return -1;
slouken@1969
  1484
    }
slouken@1969
  1485
slouken@1969
  1486
    if (!SDL_CurrentDisplay.current_renderer) {
slouken@1969
  1487
        SDL_SetError("There is no current renderer");
slouken@1969
  1488
        return -1;
slouken@1969
  1489
    }
slouken@1969
  1490
    *info = SDL_CurrentDisplay.current_renderer->info;
slouken@1969
  1491
    return 0;
slouken@1969
  1492
}
slouken@1969
  1493
slouken@1895
  1494
SDL_TextureID
slouken@1895
  1495
SDL_CreateTexture(Uint32 format, int access, int w, int h)
slouken@1895
  1496
{
slouken@1895
  1497
    int hash;
slouken@1895
  1498
    SDL_Renderer *renderer;
slouken@1895
  1499
    SDL_Texture *texture;
slouken@1895
  1500
slouken@1895
  1501
    if (!_this) {
slouken@1912
  1502
        SDL_UninitializedVideo();
slouken@1895
  1503
        return 0;
slouken@1895
  1504
    }
slouken@0
  1505
slouken@1895
  1506
    renderer = SDL_CurrentDisplay.current_renderer;
slouken@1895
  1507
    if (!renderer || !renderer->CreateTexture) {
slouken@1895
  1508
        return 0;
slouken@1895
  1509
    }
slouken@1895
  1510
slouken@1920
  1511
    texture = (SDL_Texture *) SDL_calloc(1, sizeof(*texture));
slouken@1895
  1512
    if (!texture) {
slouken@1895
  1513
        SDL_OutOfMemory();
slouken@1895
  1514
        return 0;
slouken@1895
  1515
    }
slouken@1895
  1516
slouken@1895
  1517
    texture->id = _this->next_object_id++;
slouken@1895
  1518
    texture->format = format;
slouken@1895
  1519
    texture->access = access;
slouken@1895
  1520
    texture->w = w;
slouken@1895
  1521
    texture->h = h;
slouken@1895
  1522
    texture->renderer = renderer;
slouken@1895
  1523
slouken@1895
  1524
    if (renderer->CreateTexture(renderer, texture) < 0) {
slouken@1924
  1525
        if (renderer->DestroyTexture) {
slouken@1924
  1526
            renderer->DestroyTexture(renderer, texture);
slouken@1924
  1527
        }
slouken@1895
  1528
        SDL_free(texture);
slouken@1895
  1529
        return 0;
slouken@1895
  1530
    }
slouken@1895
  1531
slouken@1895
  1532
    hash = (texture->id % SDL_arraysize(SDL_CurrentDisplay.textures));
slouken@1895
  1533
    texture->next = SDL_CurrentDisplay.textures[hash];
slouken@1895
  1534
    SDL_CurrentDisplay.textures[hash] = texture;
slouken@1895
  1535
slouken@1895
  1536
    return texture->id;
slouken@0
  1537
}
slouken@0
  1538
slouken@1895
  1539
SDL_TextureID
slouken@1895
  1540
SDL_CreateTextureFromSurface(Uint32 format, int access, SDL_Surface * surface)
slouken@0
  1541
{
slouken@1895
  1542
    SDL_TextureID textureID;
slouken@1895
  1543
    Uint32 surface_flags = surface->flags;
slouken@1895
  1544
    SDL_PixelFormat *fmt = surface->format;
slouken@1895
  1545
    Uint8 alpha;
slouken@1895
  1546
    SDL_Rect bounds;
slouken@1895
  1547
    SDL_Surface dst;
slouken@1895
  1548
    int bpp;
slouken@1895
  1549
    Uint32 Rmask, Gmask, Bmask, Amask;
slouken@1895
  1550
slouken@1895
  1551
    if (!surface) {
slouken@1895
  1552
        SDL_SetError("SDL_CreateTextureFromSurface() passed NULL surface");
slouken@1895
  1553
        return 0;
slouken@1895
  1554
    }
slouken@0
  1555
slouken@1895
  1556
    if (format) {
slouken@1895
  1557
        if (!SDL_PixelFormatEnumToMasks
slouken@1895
  1558
            (format, &bpp, &Rmask, &Gmask, &Bmask, &Amask)) {
slouken@1895
  1559
            SDL_SetError("Unknown pixel format");
slouken@1895
  1560
            return 0;
slouken@1895
  1561
        }
slouken@1895
  1562
    } else {
slouken@1895
  1563
        if (fmt->Amask || !(surface_flags & (SDL_SRCCOLORKEY | SDL_SRCALPHA))) {
slouken@1895
  1564
            bpp = fmt->BitsPerPixel;
slouken@1895
  1565
            Rmask = fmt->Rmask;
slouken@1895
  1566
            Gmask = fmt->Gmask;
slouken@1895
  1567
            Bmask = fmt->Bmask;
slouken@1895
  1568
            Amask = fmt->Amask;
slouken@1895
  1569
        } else {
slouken@1895
  1570
            /* Need a format with alpha */
slouken@1895
  1571
            bpp = 32;
slouken@1895
  1572
            Rmask = 0x00FF0000;
slouken@1895
  1573
            Gmask = 0x0000FF00;
slouken@1895
  1574
            Bmask = 0x000000FF;
slouken@1895
  1575
            Amask = 0xFF000000;
slouken@1895
  1576
        }
slouken@1895
  1577
        format = SDL_MasksToPixelFormatEnum(bpp, Rmask, Gmask, Bmask, Amask);
slouken@1895
  1578
        if (!format) {
slouken@1895
  1579
            SDL_SetError("Unknown pixel format");
slouken@1895
  1580
            return 0;
slouken@1895
  1581
        }
slouken@1895
  1582
    }
slouken@1895
  1583
slouken@1895
  1584
    textureID = SDL_CreateTexture(format, access, surface->w, surface->h);
slouken@1895
  1585
    if (!textureID) {
slouken@1895
  1586
        return 0;
slouken@1895
  1587
    }
slouken@0
  1588
slouken@1895
  1589
    /* Set up a destination surface for the texture update */
slouken@1895
  1590
    SDL_zero(dst);
slouken@1895
  1591
    dst.format = SDL_AllocFormat(bpp, Rmask, Gmask, Bmask, Amask);
slouken@1895
  1592
    if (!dst.format) {
slouken@1895
  1593
        SDL_DestroyTexture(textureID);
slouken@1895
  1594
        return 0;
slouken@1895
  1595
    }
slouken@1895
  1596
    dst.w = surface->w;
slouken@1895
  1597
    dst.h = surface->h;
slouken@1895
  1598
    if (SDL_LockTexture(textureID, NULL, 1, &dst.pixels, &dst.pitch) == 0) {
slouken@1895
  1599
        dst.flags |= SDL_PREALLOC;
slouken@1895
  1600
    } else {
slouken@1895
  1601
        dst.pitch = SDL_CalculatePitch(&dst);
slouken@1895
  1602
        dst.pixels = SDL_malloc(dst.h * dst.pitch);
slouken@1895
  1603
        if (!dst.pixels) {
slouken@1895
  1604
            SDL_DestroyTexture(textureID);
slouken@1895
  1605
            SDL_FreeFormat(dst.format);
slouken@1895
  1606
            SDL_OutOfMemory();
slouken@1895
  1607
            return 0;
slouken@1895
  1608
        }
slouken@1895
  1609
    }
slouken@1895
  1610
slouken@1895
  1611
    /* Copy the palette if any */
slouken@1895
  1612
    if (SDL_ISPIXELFORMAT_INDEXED(format)) {
slouken@1895
  1613
        if (fmt->palette) {
slouken@1895
  1614
            SDL_SetTexturePalette(textureID, fmt->palette->colors, 0,
slouken@1895
  1615
                                  fmt->palette->ncolors);
slouken@1895
  1616
            SDL_SetSurfacePalette(&dst, fmt->palette);
slouken@1895
  1617
        } else {
slouken@1895
  1618
            dst.format->palette =
slouken@1895
  1619
                SDL_AllocPalette((1 << SDL_BITSPERPIXEL(format)));
slouken@1895
  1620
            if (!dst.format->palette) {
slouken@1895
  1621
                SDL_DestroyTexture(textureID);
slouken@1895
  1622
                SDL_FreeFormat(dst.format);
slouken@1895
  1623
                return 0;
slouken@1895
  1624
            }
slouken@1895
  1625
            SDL_DitherColors(dst.format->palette->colors,
slouken@1895
  1626
                             SDL_BITSPERPIXEL(format));
slouken@1895
  1627
        }
slouken@1895
  1628
    }
slouken@1895
  1629
slouken@1895
  1630
    /* Make the texture transparent if the surface has colorkey */
slouken@1895
  1631
    if (surface_flags & SDL_SRCCOLORKEY) {
slouken@1895
  1632
        int row;
slouken@1895
  1633
        int length = dst.w * dst.format->BytesPerPixel;
slouken@1895
  1634
        Uint8 *p = (Uint8 *) dst.pixels;
slouken@1895
  1635
        for (row = 0; row < dst.h; ++row) {
slouken@1895
  1636
            SDL_memset(p, 0, length);
slouken@1895
  1637
            p += dst.pitch;
slouken@1895
  1638
        }
slouken@1895
  1639
    }
slouken@1895
  1640
slouken@1895
  1641
    /* Copy over the alpha channel */
slouken@1895
  1642
    if (surface_flags & SDL_SRCALPHA) {
slouken@1895
  1643
        if (fmt->Amask) {
slouken@1895
  1644
            surface->flags &= ~SDL_SRCALPHA;
slouken@1895
  1645
        } else {
slouken@1895
  1646
            /* FIXME: Need to make sure the texture has an alpha channel
slouken@1895
  1647
             *        and copy 'alpha' into the texture alpha channel.
slouken@1895
  1648
             */
slouken@1895
  1649
            alpha = surface->format->alpha;
slouken@1895
  1650
            SDL_SetAlpha(surface, 0, 0);
slouken@1895
  1651
        }
slouken@1895
  1652
    }
slouken@1895
  1653
slouken@1895
  1654
    /* Copy over the image data */
slouken@1895
  1655
    bounds.x = 0;
slouken@1895
  1656
    bounds.y = 0;
slouken@1895
  1657
    bounds.w = surface->w;
slouken@1895
  1658
    bounds.h = surface->h;
slouken@1895
  1659
    SDL_LowerBlit(surface, &bounds, &dst, &bounds);
slouken@1895
  1660
slouken@1895
  1661
    /* Clean up the original surface */
slouken@1895
  1662
    if ((surface_flags & SDL_SRCALPHA) == SDL_SRCALPHA) {
slouken@1895
  1663
        Uint32 aflags = surface_flags & (SDL_SRCALPHA | SDL_RLEACCELOK);
slouken@1895
  1664
        if (fmt->Amask) {
slouken@1895
  1665
            surface->flags |= SDL_SRCALPHA;
slouken@1895
  1666
        } else {
slouken@1895
  1667
            SDL_SetAlpha(surface, aflags, alpha);
slouken@1895
  1668
        }
slouken@1895
  1669
    }
slouken@1895
  1670
slouken@1895
  1671
    /* Update the texture */
slouken@1895
  1672
    if (dst.flags & SDL_PREALLOC) {
slouken@1895
  1673
        SDL_UnlockTexture(textureID);
slouken@1895
  1674
    } else {
slouken@1895
  1675
        SDL_UpdateTexture(textureID, NULL, dst.pixels, dst.pitch);
slouken@1895
  1676
        SDL_free(dst.pixels);
slouken@1895
  1677
    }
slouken@1895
  1678
    SDL_FreeFormat(dst.format);
slouken@1895
  1679
slouken@1895
  1680
    return textureID;
slouken@0
  1681
}
slouken@0
  1682
slouken@1895
  1683
static __inline__ SDL_Texture *
slouken@1895
  1684
SDL_GetTextureFromID(SDL_TextureID textureID)
slouken@1895
  1685
{
slouken@1895
  1686
    int hash;
slouken@1895
  1687
    SDL_Texture *texture;
slouken@1895
  1688
slouken@1895
  1689
    if (!_this) {
slouken@1895
  1690
        return NULL;
slouken@1895
  1691
    }
slouken@1895
  1692
slouken@1895
  1693
    hash = (textureID % SDL_arraysize(SDL_CurrentDisplay.textures));
slouken@1895
  1694
    for (texture = SDL_CurrentDisplay.textures[hash]; texture;
slouken@1895
  1695
         texture = texture->next) {
slouken@1895
  1696
        if (texture->id == textureID) {
slouken@1895
  1697
            return texture;
slouken@1895
  1698
        }
slouken@1895
  1699
    }
slouken@1895
  1700
    return NULL;
slouken@1895
  1701
}
slouken@1895
  1702
slouken@1895
  1703
int
slouken@1895
  1704
SDL_QueryTexture(SDL_TextureID textureID, Uint32 * format, int *access,
slouken@1895
  1705
                 int *w, int *h)
slouken@1895
  1706
{
slouken@1895
  1707
    SDL_Texture *texture = SDL_GetTextureFromID(textureID);
slouken@1895
  1708
slouken@1895
  1709
    if (!texture) {
slouken@1895
  1710
        return -1;
slouken@1895
  1711
    }
slouken@1895
  1712
slouken@1895
  1713
    if (format) {
slouken@1895
  1714
        *format = texture->format;
slouken@1895
  1715
    }
slouken@1895
  1716
    if (access) {
slouken@1895
  1717
        *access = texture->access;
slouken@1895
  1718
    }
slouken@1895
  1719
    if (w) {
slouken@1895
  1720
        *w = texture->w;
slouken@1895
  1721
    }
slouken@1895
  1722
    if (h) {
slouken@1895
  1723
        *h = texture->h;
slouken@1895
  1724
    }
slouken@1895
  1725
    return 0;
slouken@1895
  1726
}
slouken@1895
  1727
slouken@1895
  1728
int
slouken@1895
  1729
SDL_QueryTexturePixels(SDL_TextureID textureID, void **pixels, int *pitch)
slouken@0
  1730
{
slouken@1895
  1731
    SDL_Texture *texture = SDL_GetTextureFromID(textureID);
slouken@1895
  1732
    SDL_Renderer *renderer;
slouken@1895
  1733
slouken@1895
  1734
    if (!texture) {
slouken@1895
  1735
        return -1;
slouken@1895
  1736
    }
slouken@1895
  1737
slouken@1895
  1738
    renderer = texture->renderer;
slouken@1895
  1739
    if (!renderer->QueryTexturePixels) {
slouken@1895
  1740
        return -1;
slouken@1895
  1741
    }
slouken@1895
  1742
    return renderer->QueryTexturePixels(renderer, texture, pixels, pitch);
slouken@1895
  1743
}
slouken@1895
  1744
slouken@1895
  1745
int
slouken@1895
  1746
SDL_SetTexturePalette(SDL_TextureID textureID, const SDL_Color * colors,
slouken@1895
  1747
                      int firstcolor, int ncolors)
slouken@1895
  1748
{
slouken@1895
  1749
    SDL_Texture *texture = SDL_GetTextureFromID(textureID);
slouken@1895
  1750
    SDL_Renderer *renderer;
slouken@1895
  1751
slouken@1895
  1752
    if (!texture) {
slouken@1895
  1753
        return -1;
slouken@1895
  1754
    }
slouken@1895
  1755
slouken@1895
  1756
    renderer = texture->renderer;
slouken@1895
  1757
    if (!renderer->SetTexturePalette) {
slouken@1895
  1758
        return -1;
slouken@1895
  1759
    }
slouken@1895
  1760
    return renderer->SetTexturePalette(renderer, texture, colors, firstcolor,
slouken@1895
  1761
                                       ncolors);
slouken@1895
  1762
}
slouken@1895
  1763
slouken@1895
  1764
int
slouken@1895
  1765
SDL_GetTexturePalette(SDL_TextureID textureID, SDL_Color * colors,
slouken@1895
  1766
                      int firstcolor, int ncolors)
slouken@1895
  1767
{
slouken@1895
  1768
    SDL_Texture *texture = SDL_GetTextureFromID(textureID);
slouken@1895
  1769
    SDL_Renderer *renderer;
slouken@1895
  1770
slouken@1895
  1771
    if (!texture) {
slouken@1895
  1772
        return -1;
slouken@1895
  1773
    }
slouken@1895
  1774
slouken@1895
  1775
    renderer = texture->renderer;
slouken@1895
  1776
    if (!renderer->GetTexturePalette) {
slouken@1895
  1777
        return -1;
slouken@1895
  1778
    }
slouken@1895
  1779
    return renderer->GetTexturePalette(renderer, texture, colors, firstcolor,
slouken@1895
  1780
                                       ncolors);
slouken@1895
  1781
}
slouken@1895
  1782
slouken@1895
  1783
int
slouken@1895
  1784
SDL_UpdateTexture(SDL_TextureID textureID, const SDL_Rect * rect,
slouken@1895
  1785
                  const void *pixels, int pitch)
slouken@1895
  1786
{
slouken@1895
  1787
    SDL_Texture *texture = SDL_GetTextureFromID(textureID);
slouken@1895
  1788
    SDL_Renderer *renderer;
slouken@1895
  1789
    SDL_Rect full_rect;
slouken@1895
  1790
slouken@1895
  1791
    if (!texture) {
slouken@1895
  1792
        return -1;
slouken@1895
  1793
    }
slouken@1895
  1794
slouken@1895
  1795
    renderer = texture->renderer;
slouken@1895
  1796
    if (!renderer->UpdateTexture) {
slouken@1895
  1797
        return -1;
slouken@1895
  1798
    }
slouken@0
  1799
slouken@1895
  1800
    if (!rect) {
slouken@1895
  1801
        full_rect.x = 0;
slouken@1895
  1802
        full_rect.y = 0;
slouken@1895
  1803
        full_rect.w = texture->w;
slouken@1895
  1804
        full_rect.h = texture->h;
slouken@1895
  1805
        rect = &full_rect;
slouken@1895
  1806
    }
slouken@1895
  1807
slouken@1895
  1808
    return renderer->UpdateTexture(renderer, texture, rect, pixels, pitch);
slouken@1895
  1809
}
slouken@1895
  1810
slouken@1895
  1811
int
slouken@1895
  1812
SDL_LockTexture(SDL_TextureID textureID, const SDL_Rect * rect, int markDirty,
slouken@1895
  1813
                void **pixels, int *pitch)
slouken@1895
  1814
{
slouken@1895
  1815
    SDL_Texture *texture = SDL_GetTextureFromID(textureID);
slouken@1895
  1816
    SDL_Renderer *renderer;
slouken@1895
  1817
    SDL_Rect full_rect;
slouken@1895
  1818
slouken@1895
  1819
    if (!texture) {
slouken@1895
  1820
        return -1;
slouken@1895
  1821
    }
slouken@1895
  1822
slouken@1895
  1823
    renderer = texture->renderer;
slouken@1895
  1824
    if (!renderer->LockTexture) {
slouken@1895
  1825
        return -1;
slouken@1895
  1826
    }
slouken@1895
  1827
slouken@1895
  1828
    if (!rect) {
slouken@1895
  1829
        full_rect.x = 0;
slouken@1895
  1830
        full_rect.y = 0;
slouken@1895
  1831
        full_rect.w = texture->w;
slouken@1895
  1832
        full_rect.h = texture->h;
slouken@1895
  1833
        rect = &full_rect;
slouken@1895
  1834
    }
slouken@1895
  1835
slouken@1895
  1836
    return renderer->LockTexture(renderer, texture, rect, markDirty, pixels,
slouken@1895
  1837
                                 pitch);
slouken@1895
  1838
}
slouken@1895
  1839
slouken@1895
  1840
void
slouken@1895
  1841
SDL_UnlockTexture(SDL_TextureID textureID)
slouken@1895
  1842
{
slouken@1895
  1843
    SDL_Texture *texture = SDL_GetTextureFromID(textureID);
slouken@1895
  1844
    SDL_Renderer *renderer;
slouken@1895
  1845
slouken@1895
  1846
    if (!texture) {
slouken@1895
  1847
        return;
slouken@1895
  1848
    }
slouken@1895
  1849
slouken@1895
  1850
    renderer = texture->renderer;
slouken@1895
  1851
    if (!renderer->UnlockTexture) {
slouken@1895
  1852
        return;
slouken@1895
  1853
    }
slouken@1895
  1854
    renderer->UnlockTexture(renderer, texture);
slouken@1895
  1855
}
slouken@0
  1856
slouken@1895
  1857
void
slouken@1895
  1858
SDL_DirtyTexture(SDL_TextureID textureID, int numrects,
slouken@1895
  1859
                 const SDL_Rect * rects)
slouken@1895
  1860
{
slouken@1895
  1861
    SDL_Texture *texture = SDL_GetTextureFromID(textureID);
slouken@1895
  1862
    SDL_Renderer *renderer;
slouken@1895
  1863
slouken@1895
  1864
    if (!texture) {
slouken@1895
  1865
        return;
slouken@1895
  1866
    }
slouken@1895
  1867
slouken@1895
  1868
    renderer = texture->renderer;
slouken@1895
  1869
    if (!renderer->DirtyTexture) {
slouken@1895
  1870
        return;
slouken@1895
  1871
    }
slouken@1895
  1872
    renderer->DirtyTexture(renderer, texture, numrects, rects);
slouken@1895
  1873
}
slouken@1895
  1874
slouken@1895
  1875
int
slouken@1895
  1876
SDL_RenderFill(const SDL_Rect * rect, Uint32 color)
slouken@1895
  1877
{
slouken@1895
  1878
    SDL_Renderer *renderer;
slouken@1895
  1879
    SDL_Window *window;
slouken@1895
  1880
    SDL_Rect real_rect;
slouken@1895
  1881
slouken@1895
  1882
    if (!_this) {
slouken@1912
  1883
        SDL_UninitializedVideo();
slouken@1895
  1884
        return -1;
slouken@1895
  1885
    }
slouken@1895
  1886
slouken@1895
  1887
    renderer = SDL_CurrentDisplay.current_renderer;
slouken@1895
  1888
    if (!renderer || !renderer->RenderFill) {
slouken@1895
  1889
        return -1;
slouken@1895
  1890
    }
slouken@1895
  1891
slouken@1895
  1892
    window = SDL_GetWindowFromID(renderer->window);
slouken@1895
  1893
    real_rect.x = 0;
slouken@1895
  1894
    real_rect.y = 0;
slouken@1895
  1895
    real_rect.w = window->w;
slouken@1895
  1896
    real_rect.h = window->h;
slouken@1895
  1897
    if (rect) {
slouken@1895
  1898
        if (!SDL_IntersectRect(rect, &real_rect, &real_rect)) {
slouken@1895
  1899
            return 0;
slouken@1895
  1900
        }
slouken@1895
  1901
    }
slouken@1895
  1902
slouken@1897
  1903
    return renderer->RenderFill(renderer, &real_rect, color);
slouken@0
  1904
}
slouken@0
  1905
slouken@1895
  1906
int
slouken@1895
  1907
SDL_RenderCopy(SDL_TextureID textureID, const SDL_Rect * srcrect,
slouken@1895
  1908
               const SDL_Rect * dstrect, int blendMode, int scaleMode)
slouken@0
  1909
{
slouken@1895
  1910
    SDL_Texture *texture = SDL_GetTextureFromID(textureID);
slouken@1895
  1911
    SDL_Renderer *renderer;
slouken@1895
  1912
    SDL_Window *window;
slouken@1895
  1913
    SDL_Rect real_srcrect;
slouken@1895
  1914
    SDL_Rect real_dstrect;
slouken@1895
  1915
slouken@1895
  1916
    if (!texture || texture->renderer != SDL_CurrentDisplay.current_renderer) {
slouken@1895
  1917
        return -1;
slouken@1895
  1918
    }
slouken@1895
  1919
slouken@1895
  1920
    renderer = SDL_CurrentDisplay.current_renderer;
slouken@1895
  1921
    if (!renderer || !renderer->RenderCopy) {
slouken@1895
  1922
        return -1;
slouken@1895
  1923
    }
slouken@0
  1924
slouken@1895
  1925
    window = SDL_GetWindowFromID(renderer->window);
slouken@1897
  1926
    if (srcrect) {
slouken@1897
  1927
        real_srcrect = *srcrect;
slouken@1897
  1928
    } else {
slouken@1897
  1929
        real_srcrect.x = 0;
slouken@1897
  1930
        real_srcrect.y = 0;
slouken@1897
  1931
        real_srcrect.w = texture->w;
slouken@1897
  1932
        real_srcrect.h = texture->h;
slouken@1895
  1933
    }
slouken@1897
  1934
    if (dstrect) {
slouken@1897
  1935
        real_dstrect = *dstrect;
slouken@1897
  1936
    } else {
slouken@1897
  1937
        real_dstrect.x = 0;
slouken@1897
  1938
        real_dstrect.y = 0;
slouken@1897
  1939
        real_dstrect.w = window->w;
slouken@1897
  1940
        real_dstrect.h = window->h;
slouken@1895
  1941
    }
slouken@0
  1942
slouken@1897
  1943
    return renderer->RenderCopy(renderer, texture, &real_srcrect,
slouken@1897
  1944
                                &real_dstrect, blendMode, scaleMode);
slouken@1895
  1945
}
slouken@1895
  1946
slouken@1895
  1947
void
slouken@1895
  1948
SDL_RenderPresent(void)
slouken@1895
  1949
{
slouken@1895
  1950
    SDL_Renderer *renderer;
slouken@1895
  1951
slouken@1895
  1952
    if (!_this) {
slouken@1912
  1953
        SDL_UninitializedVideo();
slouken@1895
  1954
        return;
slouken@1895
  1955
    }
slouken@1895
  1956
slouken@1895
  1957
    renderer = SDL_CurrentDisplay.current_renderer;
slouken@1895
  1958
    if (!renderer || !renderer->RenderPresent) {
slouken@1895
  1959
        return;
slouken@1895
  1960
    }
slouken@1895
  1961
    renderer->RenderPresent(renderer);
slouken@0
  1962
}
slouken@0
  1963
slouken@1895
  1964
void
slouken@1895
  1965
SDL_DestroyTexture(SDL_TextureID textureID)
slouken@0
  1966
{
slouken@1895
  1967
    int hash;
slouken@1895
  1968
    SDL_Texture *prev, *texture;
slouken@1895
  1969
    SDL_Renderer *renderer;
slouken@1895
  1970
slouken@1895
  1971
    if (!_this) {
slouken@1912
  1972
        SDL_UninitializedVideo();
slouken@1895
  1973
        return;
slouken@1895
  1974
    }
slouken@1895
  1975
slouken@1895
  1976
    /* Look up the texture in the hash table */
slouken@1895
  1977
    hash = (textureID % SDL_arraysize(SDL_CurrentDisplay.textures));
slouken@1895
  1978
    prev = NULL;
slouken@1895
  1979
    for (texture = SDL_CurrentDisplay.textures[hash]; texture;
slouken@1895
  1980
         prev = texture, texture = texture->next) {
slouken@1895
  1981
        if (texture->id == textureID) {
slouken@1895
  1982
            break;
slouken@1895
  1983
        }
slouken@1895
  1984
    }
slouken@1895
  1985
    if (!texture) {
slouken@1895
  1986
        return;
slouken@1895
  1987
    }
slouken@1895
  1988
slouken@1895
  1989
    /* Unlink the texture from the list */
slouken@1895
  1990
    if (prev) {
slouken@1895
  1991
        prev->next = texture->next;
slouken@1895
  1992
    } else {
slouken@1895
  1993
        SDL_CurrentDisplay.textures[hash] = texture->next;
slouken@1895
  1994
    }
slouken@1895
  1995
slouken@1895
  1996
    /* Free the texture */
slouken@1895
  1997
    renderer = texture->renderer;
slouken@1895
  1998
    renderer->DestroyTexture(renderer, texture);
slouken@1895
  1999
    SDL_free(texture);
slouken@0
  2000
}
slouken@0
  2001
slouken@1895
  2002
void
slouken@1895
  2003
SDL_DestroyRenderer(SDL_WindowID windowID)
slouken@0
  2004
{
slouken@1895
  2005
    SDL_Window *window = SDL_GetWindowFromID(windowID);
slouken@1895
  2006
    SDL_Renderer *renderer;
slouken@1895
  2007
    int i;
slouken@0
  2008
slouken@1895
  2009
    if (!window) {
slouken@1895
  2010
        return;
slouken@1895
  2011
    }
slouken@1895
  2012
slouken@1895
  2013
    renderer = window->renderer;
slouken@1895
  2014
    if (!renderer) {
slouken@1895
  2015
        return;
slouken@1895
  2016
    }
slouken@0
  2017
slouken@1895
  2018
    /* Free existing textures for this renderer */
slouken@1895
  2019
    for (i = 0; i < SDL_arraysize(SDL_CurrentDisplay.textures); ++i) {
slouken@1895
  2020
        SDL_Texture *texture;
slouken@1895
  2021
        SDL_Texture *prev = NULL;
slouken@1895
  2022
        SDL_Texture *next;
slouken@1895
  2023
        for (texture = SDL_CurrentDisplay.textures[i]; texture;
slouken@1895
  2024
             texture = next) {
slouken@1895
  2025
            next = texture->next;
slouken@1895
  2026
            if (texture->renderer == renderer) {
slouken@1895
  2027
                if (prev) {
slouken@1895
  2028
                    prev->next = next;
slouken@1895
  2029
                } else {
slouken@1895
  2030
                    SDL_CurrentDisplay.textures[i] = next;
slouken@1895
  2031
                }
slouken@1895
  2032
                renderer->DestroyTexture(renderer, texture);
slouken@1895
  2033
                SDL_free(texture);
slouken@1895
  2034
            } else {
slouken@1895
  2035
                prev = texture;
slouken@1895
  2036
            }
slouken@1895
  2037
        }
slouken@1895
  2038
    }
slouken@0
  2039
slouken@1895
  2040
    /* Free the renderer instance */
slouken@1895
  2041
    renderer->DestroyRenderer(renderer);
slouken@0
  2042
slouken@1895
  2043
    /* Clear references */
slouken@1895
  2044
    window->renderer = NULL;
slouken@1895
  2045
    if (SDL_CurrentDisplay.current_renderer == renderer) {
slouken@1895
  2046
        SDL_CurrentDisplay.current_renderer = NULL;
slouken@1895
  2047
    }
slouken@1895
  2048
}
slouken@0
  2049
slouken@1895
  2050
void
slouken@1895
  2051
SDL_VideoQuit(void)
slouken@1895
  2052
{
slouken@1895
  2053
    int i, j;
slouken@0
  2054
slouken@1895
  2055
    if (!_this) {
slouken@1895
  2056
        return;
slouken@1895
  2057
    }
slouken@1895
  2058
slouken@1895
  2059
    /* Halt event processing before doing anything else */
slouken@1895
  2060
    SDL_StopEventLoop();
slouken@1895
  2061
slouken@1895
  2062
    /* Clean up the system video */
slouken@1895
  2063
    for (i = _this->num_displays; i--;) {
slouken@1895
  2064
        SDL_VideoDisplay *display = &_this->displays[i];
slouken@1895
  2065
        for (j = display->num_windows; j--;) {
slouken@1895
  2066
            SDL_DestroyWindow(display->windows[i].id);
slouken@1895
  2067
        }
slouken@1895
  2068
        if (display->windows) {
slouken@1895
  2069
            SDL_free(display->windows);
slouken@1895
  2070
            display->windows = NULL;
slouken@1895
  2071
        }
slouken@1895
  2072
        display->num_windows = 0;
slouken@1895
  2073
    }
slouken@1895
  2074
    _this->VideoQuit(_this);
slouken@0
  2075
slouken@1895
  2076
    for (i = _this->num_displays; i--;) {
slouken@1895
  2077
        SDL_VideoDisplay *display = &_this->displays[i];
slouken@1895
  2078
        for (j = display->num_display_modes; j--;) {
slouken@1895
  2079
            if (display->display_modes[j].driverdata) {
slouken@1895
  2080
                SDL_free(display->display_modes[j].driverdata);
slouken@1895
  2081
                display->display_modes[j].driverdata = NULL;
slouken@1895
  2082
            }
slouken@1895
  2083
        }
slouken@1895
  2084
        if (display->display_modes) {
slouken@1895
  2085
            SDL_free(display->display_modes);
slouken@1895
  2086
            display->display_modes = NULL;
slouken@1895
  2087
        }
slouken@1895
  2088
        if (display->desktop_mode.driverdata) {
slouken@1895
  2089
            SDL_free(display->desktop_mode.driverdata);
slouken@1895
  2090
            display->desktop_mode.driverdata = NULL;
slouken@1895
  2091
        }
slouken@1895
  2092
        if (display->palette) {
slouken@1895
  2093
            SDL_FreePalette(display->palette);
slouken@1895
  2094
            display->palette = NULL;
slouken@1895
  2095
        }
slouken@1895
  2096
        if (display->gamma) {
slouken@1895
  2097
            SDL_free(display->gamma);
slouken@1895
  2098
        }
slouken@1895
  2099
        if (display->driverdata) {
slouken@1895
  2100
            SDL_free(display->driverdata);
slouken@1895
  2101
        }
slouken@1895
  2102
    }
slouken@1895
  2103
    if (_this->displays) {
slouken@1895
  2104
        SDL_free(_this->displays);
slouken@1895
  2105
        _this->displays = NULL;
slouken@1895
  2106
    }
slouken@1895
  2107
    _this->free(_this);
slouken@1895
  2108
    _this = NULL;
slouken@0
  2109
}
slouken@0
  2110
slouken@1895
  2111
int
slouken@1895
  2112
SDL_GL_LoadLibrary(const char *path)
slouken@0
  2113
{
slouken@1895
  2114
    int retval;
slouken@0
  2115
slouken@1912
  2116
    if (!_this) {
slouken@1912
  2117
        SDL_UninitializedVideo();
slouken@1912
  2118
        return -1;
slouken@1912
  2119
    }
slouken@1912
  2120
slouken@1912
  2121
    if (_this->GL_LoadLibrary) {
slouken@1912
  2122
        retval = _this->GL_LoadLibrary(_this, path);
slouken@1895
  2123
    } else {
slouken@1912
  2124
        SDL_SetError("No dynamic GL support in video driver");
slouken@1912
  2125
        retval = -1;
slouken@1895
  2126
    }
slouken@1895
  2127
    return (retval);
slouken@0
  2128
}
slouken@0
  2129
slouken@1895
  2130
void *
slouken@1895
  2131
SDL_GL_GetProcAddress(const char *proc)
slouken@0
  2132
{
slouken@1895
  2133
    void *func;
slouken@0
  2134
slouken@1912
  2135
    if (!_this) {
slouken@1912
  2136
        SDL_UninitializedVideo();
slouken@1912
  2137
        return NULL;
slouken@1912
  2138
    }
slouken@1912
  2139
slouken@1895
  2140
    func = NULL;
slouken@1895
  2141
    if (_this->GL_GetProcAddress) {
slouken@1895
  2142
        if (_this->gl_config.driver_loaded) {
slouken@1895
  2143
            func = _this->GL_GetProcAddress(_this, proc);
slouken@1895
  2144
        } else {
slouken@1895
  2145
            SDL_SetError("No GL driver has been loaded");
slouken@1895
  2146
        }
slouken@1895
  2147
    } else {
slouken@1895
  2148
        SDL_SetError("No dynamic GL support in video driver");
slouken@1895
  2149
    }
slouken@1895
  2150
    return func;
slouken@0
  2151
}
slouken@0
  2152
slouken@1926
  2153
SDL_bool
slouken@1926
  2154
SDL_GL_ExtensionSupported(const char *extension)
slouken@1926
  2155
{
slouken@1926
  2156
#if SDL_VIDEO_OPENGL
slouken@1926
  2157
    const GLubyte *(APIENTRY * glGetStringFunc) (GLenum);
slouken@1926
  2158
    const char *extensions;
slouken@1926
  2159
    const char *start;
slouken@1926
  2160
    const char *where, *terminator;
slouken@1926
  2161
slouken@1926
  2162
    /* Extension names should not have spaces. */
slouken@1926
  2163
    where = SDL_strchr(extension, ' ');
slouken@1926
  2164
    if (where || *extension == '\0') {
slouken@1926
  2165
        return SDL_FALSE;
slouken@1926
  2166
    }
slouken@1926
  2167
slouken@1926
  2168
    /* See if there's an environment variable override */
slouken@1926
  2169
    start = SDL_getenv(extension);
slouken@1926
  2170
    if (start && *start == '0') {
slouken@1926
  2171
        return SDL_FALSE;
slouken@1926
  2172
    }
slouken@1926
  2173
slouken@1926
  2174
    /* Lookup the available extensions */
slouken@1926
  2175
    glGetStringFunc = SDL_GL_GetProcAddress("glGetString");
slouken@1926
  2176
    if (glGetStringFunc) {
slouken@1926
  2177
        extensions = (const char *) glGetStringFunc(GL_EXTENSIONS);
slouken@1926
  2178
    } else {
slouken@1926
  2179
        extensions = NULL;
slouken@1926
  2180
    }
slouken@1926
  2181
    if (!extensions) {
slouken@1926
  2182
        return SDL_FALSE;
slouken@1926
  2183
    }
slouken@1926
  2184
slouken@1926
  2185
    /* It takes a bit of care to be fool-proof about parsing the
slouken@1926
  2186
     * OpenGL extensions string. Don't be fooled by sub-strings,
slouken@1926
  2187
     * etc. */
slouken@1926
  2188
slouken@1926
  2189
    start = extensions;
slouken@1926
  2190
slouken@1926
  2191
    for (;;) {
slouken@1926
  2192
        where = SDL_strstr(start, extension);
slouken@1926
  2193
        if (!where)
slouken@1926
  2194
            break;
slouken@1926
  2195
slouken@1926
  2196
        terminator = where + SDL_strlen(extension);
slouken@1926
  2197
        if (where == start || *(where - 1) == ' ')
slouken@1926
  2198
            if (*terminator == ' ' || *terminator == '\0')
slouken@1926
  2199
                return SDL_TRUE;
slouken@1926
  2200
slouken@1926
  2201
        start = terminator;
slouken@1926
  2202
    }
slouken@1926
  2203
    return SDL_FALSE;
slouken@1926
  2204
#else
slouken@1926
  2205
    return SDL_FALSE;
slouken@1926
  2206
#endif
slouken@1926
  2207
}
slouken@1926
  2208
slouken@1895
  2209
int
slouken@1895
  2210
SDL_GL_SetAttribute(SDL_GLattr attr, int value)
slouken@0
  2211
{
slouken@1936
  2212
#if SDL_VIDEO_OPENGL
slouken@1895
  2213
    int retval;
slouken@0
  2214
slouken@1912
  2215
    if (!_this) {
slouken@1912
  2216
        SDL_UninitializedVideo();
slouken@1912
  2217
        return -1;
slouken@1912
  2218
    }
slouken@1912
  2219
slouken@1895
  2220
    retval = 0;
slouken@1895
  2221
    switch (attr) {
slouken@1895
  2222
    case SDL_GL_RED_SIZE:
slouken@1895
  2223
        _this->gl_config.red_size = value;
slouken@1895
  2224
        break;
slouken@1895
  2225
    case SDL_GL_GREEN_SIZE:
slouken@1895
  2226
        _this->gl_config.green_size = value;
slouken@1895
  2227
        break;
slouken@1895
  2228
    case SDL_GL_BLUE_SIZE:
slouken@1895
  2229
        _this->gl_config.blue_size = value;
slouken@1895
  2230
        break;
slouken@1895
  2231
    case SDL_GL_ALPHA_SIZE:
slouken@1895
  2232
        _this->gl_config.alpha_size = value;
slouken@1895
  2233
        break;
slouken@1895
  2234
    case SDL_GL_DOUBLEBUFFER:
slouken@1895
  2235
        _this->gl_config.double_buffer = value;
slouken@1895
  2236
        break;
slouken@1895
  2237
    case SDL_GL_BUFFER_SIZE:
slouken@1895
  2238
        _this->gl_config.buffer_size = value;
slouken@1895
  2239
        break;
slouken@1895
  2240
    case SDL_GL_DEPTH_SIZE:
slouken@1895
  2241
        _this->gl_config.depth_size = value;
slouken@1895
  2242
        break;
slouken@1895
  2243
    case SDL_GL_STENCIL_SIZE:
slouken@1895
  2244
        _this->gl_config.stencil_size = value;
slouken@1895
  2245
        break;
slouken@1895
  2246
    case SDL_GL_ACCUM_RED_SIZE:
slouken@1895
  2247
        _this->gl_config.accum_red_size = value;
slouken@1895
  2248
        break;
slouken@1895
  2249
    case SDL_GL_ACCUM_GREEN_SIZE:
slouken@1895
  2250
        _this->gl_config.accum_green_size = value;
slouken@1895
  2251
        break;
slouken@1895
  2252
    case SDL_GL_ACCUM_BLUE_SIZE:
slouken@1895
  2253
        _this->gl_config.accum_blue_size = value;
slouken@1895
  2254
        break;
slouken@1895
  2255
    case SDL_GL_ACCUM_ALPHA_SIZE:
slouken@1895
  2256
        _this->gl_config.accum_alpha_size = value;
slouken@1895
  2257
        break;
slouken@1895
  2258
    case SDL_GL_STEREO:
slouken@1895
  2259
        _this->gl_config.stereo = value;
slouken@1895
  2260
        break;
slouken@1895
  2261
    case SDL_GL_MULTISAMPLEBUFFERS:
slouken@1895
  2262
        _this->gl_config.multisamplebuffers = value;
slouken@1895
  2263
        break;
slouken@1895
  2264
    case SDL_GL_MULTISAMPLESAMPLES:
slouken@1895
  2265
        _this->gl_config.multisamplesamples = value;
slouken@1895
  2266
        break;
slouken@1895
  2267
    case SDL_GL_ACCELERATED_VISUAL:
slouken@1895
  2268
        _this->gl_config.accelerated = value;
slouken@1895
  2269
        break;
slouken@1895
  2270
    default:
slouken@1895
  2271
        SDL_SetError("Unknown OpenGL attribute");
slouken@1895
  2272
        retval = -1;
slouken@1895
  2273
        break;
slouken@1895
  2274
    }
slouken@1912
  2275
    return retval;
slouken@1936
  2276
#else
slouken@1936
  2277
    SDL_Unsupported();
slouken@1936
  2278
    return -1;
slouken@1936
  2279
#endif /* SDL_VIDEO_OPENGL */
slouken@0
  2280
}
slouken@0
  2281
slouken@1895
  2282
int
slouken@1936
  2283
SDL_GL_GetAttribute(SDL_GLattr attr, int *value)
slouken@0
  2284
{
slouken@1936
  2285
#if SDL_VIDEO_OPENGL
slouken@1936
  2286
    void (APIENTRY * glGetIntegervFunc) (GLenum pname, GLint * params);
slouken@1936
  2287
    GLenum attrib = 0;
slouken@1912
  2288
slouken@1936
  2289
    glGetIntegervFunc = SDL_GL_GetProcAddress("glGetIntegerv");
slouken@1936
  2290
    if (!glGetIntegervFunc) {
slouken@1936
  2291
        return -1;
slouken@1936
  2292
    }
slouken@1936
  2293
    switch (attr) {
slouken@1936
  2294
    case SDL_GL_RED_SIZE:
slouken@1936
  2295
        attrib = GL_RED_BITS;
slouken@1936
  2296
        break;
slouken@1936
  2297
    case SDL_GL_BLUE_SIZE:
slouken@1936
  2298
        attrib = GL_BLUE_BITS;
slouken@1936
  2299
        break;
slouken@1936
  2300
    case SDL_GL_GREEN_SIZE:
slouken@1936
  2301
        attrib = GL_GREEN_BITS;
slouken@1936
  2302
        break;
slouken@1936
  2303
    case SDL_GL_ALPHA_SIZE:
slouken@1936
  2304
        attrib = GL_ALPHA_BITS;
slouken@1936
  2305
        break;
slouken@1936
  2306
    case SDL_GL_DOUBLEBUFFER:
slouken@1936
  2307
        attrib = GL_DOUBLEBUFFER;
slouken@1936
  2308
        break;
slouken@1936
  2309
    case SDL_GL_DEPTH_SIZE:
slouken@1936
  2310
        attrib = GL_DEPTH_BITS;
slouken@1936
  2311
        break;
slouken@1936
  2312
    case SDL_GL_STENCIL_SIZE:
slouken@1936
  2313
        attrib = GL_STENCIL_BITS;
slouken@1936
  2314
        break;
slouken@1936
  2315
    case SDL_GL_ACCUM_RED_SIZE:
slouken@1936
  2316
        attrib = GL_ACCUM_RED_BITS;
slouken@1936
  2317
        break;
slouken@1936
  2318
    case SDL_GL_ACCUM_GREEN_SIZE:
slouken@1936
  2319
        attrib = GL_ACCUM_GREEN_BITS;
slouken@1936
  2320
        break;
slouken@1936
  2321
    case SDL_GL_ACCUM_BLUE_SIZE:
slouken@1936
  2322
        attrib = GL_ACCUM_BLUE_BITS;
slouken@1936
  2323
        break;
slouken@1936
  2324
    case SDL_GL_ACCUM_ALPHA_SIZE:
slouken@1936
  2325
        attrib = GL_ACCUM_ALPHA_BITS;
slouken@1936
  2326
        break;
slouken@1936
  2327
    case SDL_GL_STEREO:
slouken@1936
  2328
        attrib = GL_STEREO;
slouken@1936
  2329
        break;
slouken@1936
  2330
    case SDL_GL_MULTISAMPLEBUFFERS:
slouken@1936
  2331
        attrib = GL_SAMPLE_BUFFERS_ARB;
slouken@1936
  2332
        break;
slouken@1936
  2333
    case SDL_GL_MULTISAMPLESAMPLES:
slouken@1936
  2334
        attrib = GL_SAMPLES_ARB;
slouken@1936
  2335
        break;
slouken@1936
  2336
    case SDL_GL_BUFFER_SIZE:
slouken@1936
  2337
        {
slouken@1936
  2338
            GLint bits = 0;
slouken@1936
  2339
            GLint component;
slouken@1936
  2340
slouken@1936
  2341
            /* there doesn't seem to be a single flag in OpenGL for this! */
slouken@1938
  2342
            glGetIntegervFunc(GL_RED_BITS, &component);
slouken@1936
  2343
            bits += component;
slouken@1938
  2344
            glGetIntegervFunc(GL_GREEN_BITS, &component);
slouken@1936
  2345
            bits += component;
slouken@1938
  2346
            glGetIntegervFunc(GL_BLUE_BITS, &component);
slouken@1936
  2347
            bits += component;
slouken@1938
  2348
            glGetIntegervFunc(GL_ALPHA_BITS, &component);
slouken@1936
  2349
            bits += component;
slouken@1936
  2350
slouken@1936
  2351
            *value = bits;
slouken@1936
  2352
            return 0;
slouken@1936
  2353
        }
slouken@1936
  2354
    case SDL_GL_ACCELERATED_VISUAL:
slouken@1936
  2355
        {
slouken@1936
  2356
            /* FIXME: How do we get this information? */
slouken@1936
  2357
            *value = (_this->gl_config.accelerated != 0);
slouken@1936
  2358
            return 0;
slouken@1936
  2359
        }
slouken@1936
  2360
    default:
slouken@1936
  2361
        SDL_SetError("Unknown OpenGL attribute");
slouken@1912
  2362
        return -1;
slouken@1912
  2363
    }
slouken@0
  2364
slouken@1938
  2365
    glGetIntegervFunc(attrib, (GLint *) value);
slouken@1936
  2366
    return 0;
slouken@1936
  2367
#else
slouken@1936
  2368
    SDL_Unsupported();
slouken@1936
  2369
    return -1;
slouken@1936
  2370
#endif /* SDL_VIDEO_OPENGL */
slouken@0
  2371
}
slouken@0
  2372
slouken@1912
  2373
SDL_GLContext
slouken@1912
  2374
SDL_GL_CreateContext(SDL_WindowID windowID)
slouken@1912
  2375
{
slouken@1912
  2376
    SDL_Window *window = SDL_GetWindowFromID(windowID);
slouken@1912
  2377
slouken@1912
  2378
    if (!window) {
slouken@1912
  2379
        return NULL;
slouken@1912
  2380
    }
slouken@1912
  2381
    if (!(window->flags & SDL_WINDOW_OPENGL)) {
slouken@1912
  2382
        SDL_SetError("The specified window isn't an OpenGL window");
slouken@1912
  2383
        return NULL;
slouken@1912
  2384
    }
slouken@1912
  2385
    return _this->GL_CreateContext(_this, window);
slouken@1912
  2386
}
slouken@1912
  2387
slouken@1912
  2388
int
slouken@1912
  2389
SDL_GL_MakeCurrent(SDL_WindowID windowID, SDL_GLContext context)
slouken@1912
  2390
{
slouken@1912
  2391
    SDL_Window *window = SDL_GetWindowFromID(windowID);
slouken@1912
  2392
slouken@1913
  2393
    if (window && !(window->flags & SDL_WINDOW_OPENGL)) {
slouken@1912
  2394
        SDL_SetError("The specified window isn't an OpenGL window");
slouken@1912
  2395
        return -1;
slouken@1912
  2396
    }
slouken@1936
  2397
    if (!context) {
slouken@1936
  2398
        window = NULL;
slouken@1936
  2399
    }
slouken@1912
  2400
    return _this->GL_MakeCurrent(_this, window, context);
slouken@1912
  2401
}
slouken@1912
  2402
slouken@1912
  2403
int
slouken@1912
  2404
SDL_GL_SetSwapInterval(int interval)
slouken@1912
  2405
{
slouken@1912
  2406
    if (!_this) {
slouken@1912
  2407
        SDL_UninitializedVideo();
slouken@1912
  2408
        return -1;
slouken@1912
  2409
    }
slouken@1912
  2410
slouken@1912
  2411
    if (_this->GL_SetSwapInterval) {
slouken@1912
  2412
        return _this->GL_SetSwapInterval(_this, interval);
slouken@1912
  2413
    } else {
slouken@1912
  2414
        SDL_SetError("Setting the swap interval is not supported");
slouken@1912
  2415
        return -1;
slouken@1912
  2416
    }
slouken@1912
  2417
}
slouken@1912
  2418
slouken@1912
  2419
int
slouken@1912
  2420
SDL_GL_GetSwapInterval(void)
slouken@1912
  2421
{
slouken@1912
  2422
    if (!_this) {
slouken@1912
  2423
        SDL_UninitializedVideo();
slouken@1912
  2424
        return -1;
slouken@1912
  2425
    }
slouken@1912
  2426
slouken@1912
  2427
    if (_this->GL_GetSwapInterval) {
slouken@1912
  2428
        return _this->GL_GetSwapInterval(_this);
slouken@1912
  2429
    } else {
slouken@1912
  2430
        SDL_SetError("Getting the swap interval is not supported");
slouken@1912
  2431
        return -1;
slouken@1912
  2432
    }
slouken@1912
  2433
}
slouken@1912
  2434
slouken@1895
  2435
void
slouken@1912
  2436
SDL_GL_SwapWindow(SDL_WindowID windowID)
slouken@0
  2437
{
slouken@1912
  2438
    SDL_Window *window = SDL_GetWindowFromID(windowID);
slouken@1912
  2439
slouken@1912
  2440
    if (!window) {
slouken@1912
  2441
        return;
slouken@1912
  2442
    }
slouken@1912
  2443
    if (!(window->flags & SDL_WINDOW_OPENGL)) {
slouken@1912
  2444
        SDL_SetError("The specified window isn't an OpenGL window");
slouken@1912
  2445
        return;
slouken@1912
  2446
    }
slouken@1930
  2447
    _this->GL_SwapWindow(_this, window);
slouken@1912
  2448
}
slouken@1912
  2449
slouken@1912
  2450
void
slouken@1912
  2451
SDL_GL_DeleteContext(SDL_GLContext context)
slouken@1912
  2452
{
slouken@1912
  2453
    if (!_this || !context) {
slouken@1912
  2454
        return;
slouken@1912
  2455
    }
slouken@1936
  2456
    _this->GL_MakeCurrent(_this, NULL, NULL);
slouken@1912
  2457
    _this->GL_DeleteContext(_this, context);
slouken@0
  2458
}
slouken@0
  2459
slouken@1895
  2460
#if 0                           // FIXME
slouken@541
  2461
/* Utility function used by SDL_WM_SetIcon();
slouken@541
  2462
 * flags & 1 for color key, flags & 2 for alpha channel. */
slouken@1895
  2463
static void
slouken@1895
  2464
CreateMaskFromColorKeyOrAlpha(SDL_Surface * icon, Uint8 * mask, int flags)
slouken@0
  2465
{
slouken@1895
  2466
    int x, y;
slouken@1895
  2467
    Uint32 colorkey;
slouken@0
  2468
#define SET_MASKBIT(icon, x, y, mask) \
slouken@0
  2469
	mask[(y*((icon->w+7)/8))+(x/8)] &= ~(0x01<<(7-(x%8)))
slouken@0
  2470
slouken@1895
  2471
    colorkey = icon->format->colorkey;
slouken@1895
  2472
    switch (icon->format->BytesPerPixel) {
slouken@1895
  2473
    case 1:
slouken@1895
  2474
        {
slouken@1895
  2475
            Uint8 *pixels;
slouken@1895
  2476
            for (y = 0; y < icon->h; ++y) {
slouken@1895
  2477
                pixels = (Uint8 *) icon->pixels + y * icon->pitch;
slouken@1895
  2478
                for (x = 0; x < icon->w; ++x) {
slouken@1895
  2479
                    if (*pixels++ == colorkey) {
slouken@1895
  2480
                        SET_MASKBIT(icon, x, y, mask);
slouken@1895
  2481
                    }
slouken@1895
  2482
                }
slouken@1895
  2483
            }
slouken@1895
  2484
        }
slouken@1895
  2485
        break;
slouken@0
  2486
slouken@1895
  2487
    case 2:
slouken@1895
  2488
        {
slouken@1895
  2489
            Uint16 *pixels;
slouken@1895
  2490
            for (y = 0; y < icon->h; ++y) {
slouken@1895
  2491
                pixels = (Uint16 *) icon->pixels + y * icon->pitch / 2;
slouken@1895
  2492
                for (x = 0; x < icon->w; ++x) {
slouken@1895
  2493
                    if ((flags & 1) && *pixels == colorkey) {
slouken@1895
  2494
                        SET_MASKBIT(icon, x, y, mask);
slouken@1895
  2495
                    } else if ((flags & 2)
slouken@1895
  2496
                               && (*pixels & icon->format->Amask) == 0) {
slouken@1895
  2497
                        SET_MASKBIT(icon, x, y, mask);
slouken@1895
  2498
                    }
slouken@1895
  2499
                    pixels++;
slouken@1895
  2500
                }
slouken@1895
  2501
            }
slouken@1895
  2502
        }
slouken@1895
  2503
        break;
slouken@0
  2504
slouken@1895
  2505
    case 4:
slouken@1895
  2506
        {
slouken@1895
  2507
            Uint32 *pixels;
slouken@1895
  2508
            for (y = 0; y < icon->h; ++y) {
slouken@1895
  2509
                pixels = (Uint32 *) icon->pixels + y * icon->pitch / 4;
slouken@1895
  2510
                for (x = 0; x < icon->w; ++x) {
slouken@1895
  2511
                    if ((flags & 1) && *pixels == colorkey) {
slouken@1895
  2512
                        SET_MASKBIT(icon, x, y, mask);
slouken@1895
  2513
                    } else if ((flags & 2)
slouken@1895
  2514
                               && (*pixels & icon->format->Amask) == 0) {
slouken@1895
  2515
                        SET_MASKBIT(icon, x, y, mask);
slouken@1895
  2516
                    }
slouken@1895
  2517
                    pixels++;
slouken@1895
  2518
                }
slouken@1895
  2519
            }
slouken@1895
  2520
        }
slouken@1895
  2521
        break;
slouken@1895
  2522
    }
slouken@0
  2523
}
slouken@0
  2524
slouken@0
  2525
/*
slouken@0
  2526
 * Sets the window manager icon for the display window.
slouken@0
  2527
 */
slouken@1895
  2528
void
slouken@1895
  2529
SDL_WM_SetIcon(SDL_Surface * icon, Uint8 * mask)
slouken@0
  2530
{
slouken@1895
  2531
    if (icon && _this->SetIcon) {
slouken@1895
  2532
        /* Generate a mask if necessary, and create the icon! */
slouken@1895
  2533
        if (mask == NULL) {
slouken@1895
  2534
            int mask_len = icon->h * (icon->w + 7) / 8;
slouken@1895
  2535
            int flags = 0;
slouken@1895
  2536
            mask = (Uint8 *) SDL_malloc(mask_len);
slouken@1895
  2537
            if (mask == NULL) {
slouken@1895
  2538
                return;
slouken@1895
  2539
            }
slouken@1895
  2540
            SDL_memset(mask, ~0, mask_len);
slouken@1895
  2541
            if (icon->flags & SDL_SRCCOLORKEY)
slouken@1895
  2542
                flags |= 1;
slouken@1895
  2543
            if (icon->flags & SDL_SRCALPHA)
slouken@1895
  2544
                flags |= 2;
slouken@1895
  2545
            if (flags) {
slouken@1895
  2546
                CreateMaskFromColorKeyOrAlpha(icon, mask, flags);
slouken@1895
  2547
            }
slouken@1895
  2548
            _this->SetIcon(_this, icon, mask);
slouken@1895
  2549
            SDL_free(mask);
slouken@1895
  2550
        } else {
slouken@1895
  2551
            _this->SetIcon(_this, icon, mask);
slouken@1895
  2552
        }
slouken@1895
  2553
    }
slouken@0
  2554
}
slouken@0
  2555
#endif
slouken@0
  2556
slouken@1895
  2557
SDL_bool
slouken@1895
  2558
SDL_GetWindowWMInfo(SDL_WindowID windowID, struct SDL_SysWMinfo *info)
slouken@0
  2559
{
slouken@1895
  2560
    SDL_Window *window = SDL_GetWindowFromID(windowID);
slouken@0
  2561
slouken@1895
  2562
    if (!window || !_this->GetWindowWMInfo) {
slouken@1895
  2563
        return SDL_FALSE;
slouken@1895
  2564
    }
slouken@1895
  2565
    return (_this->GetWindowWMInfo(_this, window, info));
slouken@0
  2566
}
slouken@0
  2567
slouken@1895
  2568
/* vi: set ts=4 sw=4 expandtab: */