src/video/SDL_video.c
author Sam Lantinga <slouken@libsdl.org>
Wed, 27 Aug 2008 15:10:03 +0000
changeset 2735 204be4fc2726
parent 2702 11eb9ae3c88c
child 2740 22c96d28449f
permissions -rw-r--r--
Final merge of Google Summer of Code 2008 work...

Port SDL 1.3 to the Nintendo DS
by Darren Alton, mentored by Sam Lantinga
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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_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_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_NDS
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    &NDS_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_strcasecmp(bootstrap[i]->name, driver_name) == 0) {
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                if (bootstrap[i]->available()) {
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                    video = bootstrap[i]->create(index);
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                }
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                break;
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            }
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        }
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    } else {
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        for (i = 0; bootstrap[i]; ++i) {
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            if (bootstrap[i]->available()) {
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                video = bootstrap[i]->create(index);
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                if (video != NULL) {
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                    break;
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                }
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            }
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        }
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    }
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    if (video == NULL) {
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        if (driver_name) {
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            SDL_SetError("%s not available", driver_name);
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        } else {
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            SDL_SetError("No available video device");
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        }
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        return -1;
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    }
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    _this = video;
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    _this->name = bootstrap[i]->name;
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    _this->next_object_id = 1;
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    /* Set some very sane GL defaults */
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    _this->gl_config.driver_loaded = 0;
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    _this->gl_config.dll_handle = NULL;
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    _this->gl_config.red_size = 3;
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    _this->gl_config.green_size = 3;
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    _this->gl_config.blue_size = 2;
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    _this->gl_config.alpha_size = 0;
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    _this->gl_config.buffer_size = 0;
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    _this->gl_config.depth_size = 16;
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    _this->gl_config.stencil_size = 0;
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    _this->gl_config.double_buffer = 1;
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    _this->gl_config.accum_red_size = 0;
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    _this->gl_config.accum_green_size = 0;
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    _this->gl_config.accum_blue_size = 0;
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    _this->gl_config.accum_alpha_size = 0;
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    _this->gl_config.stereo = 0;
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    _this->gl_config.multisamplebuffers = 0;
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    _this->gl_config.multisamplesamples = 0;
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    _this->gl_config.accelerated = -1;  /* not known, don't set */
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    /* Initialize the video subsystem */
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    if (_this->VideoInit(_this) < 0) {
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        SDL_VideoQuit();
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        return -1;
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    }
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    /* Make sure some displays were added */
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    if (_this->num_displays == 0) {
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        SDL_SetError("The video driver did not add any displays");
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        SDL_VideoQuit();
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        return (-1);
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    }
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    /* The software renderer is always available */
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    for (i = 0; i < _this->num_displays; ++i) {
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#if SDL_VIDEO_RENDER_OGL
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        SDL_AddRenderDriver(i, &GL_RenderDriver);
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#endif
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        if (_this->displays[i].num_render_drivers > 0) {
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            SDL_AddRenderDriver(i, &SW_RenderDriver);
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        }
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    }
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    /* We're ready to go! */
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    return 0;
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}
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const char *
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SDL_GetCurrentVideoDriver()
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{
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    if (!_this) {
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        SDL_UninitializedVideo();
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        return NULL;
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    }
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    return _this->name;
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}
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SDL_VideoDevice *
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SDL_GetVideoDevice()
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{
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    return _this;
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}
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int
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SDL_AddBasicVideoDisplay(const SDL_DisplayMode * desktop_mode)
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{
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    SDL_VideoDisplay display;
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    SDL_zero(display);
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    if (desktop_mode) {
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        display.desktop_mode = *desktop_mode;
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    }
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    display.current_mode = display.desktop_mode;
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    return SDL_AddVideoDisplay(&display);
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}
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int
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SDL_AddVideoDisplay(const SDL_VideoDisplay * display)
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{
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    SDL_VideoDisplay *displays;
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    int index = -1;
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    displays =
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        SDL_realloc(_this->displays,
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                    (_this->num_displays + 1) * sizeof(*displays));
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    if (displays) {
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        index = _this->num_displays++;
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        displays[index] = *display;
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        displays[index].device = _this;
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        _this->displays = displays;
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    } else {
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        SDL_OutOfMemory();
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    }
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    return index;
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}
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int
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SDL_GetNumVideoDisplays(void)
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{
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    if (!_this) {
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        SDL_UninitializedVideo();
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        return 0;
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    }
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    return _this->num_displays;
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}
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int
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SDL_SelectVideoDisplay(int index)
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{
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    if (!_this) {
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        SDL_UninitializedVideo();
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        return (-1);
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    }
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    if (index < 0 || index >= _this->num_displays) {
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        SDL_SetError("index must be in the range 0 - %d",
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                     _this->num_displays - 1);
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        return -1;
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    }
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    _this->current_display = index;
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    return 0;
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}
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int
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SDL_GetCurrentVideoDisplay(void)
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{
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    if (!_this) {
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        SDL_UninitializedVideo();
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        return (-1);
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    }
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    return _this->current_display;
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}
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SDL_bool
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SDL_AddDisplayMode(int displayIndex, const SDL_DisplayMode * mode)
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{
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    SDL_VideoDisplay *display = &_this->displays[displayIndex];
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    SDL_DisplayMode *modes;
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    int i, nmodes;
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    /* Make sure we don't already have the mode in the list */
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    modes = display->display_modes;
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    nmodes = display->num_display_modes;
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    for (i = nmodes; i--;) {
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        if (SDL_memcmp(mode, &modes[i], sizeof(*mode)) == 0) {
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            return SDL_FALSE;
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        }
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    }
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    /* Go ahead and add the new mode */
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    if (nmodes == display->max_display_modes) {
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        modes =
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            SDL_realloc(modes,
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                        (display->max_display_modes + 32) * sizeof(*modes));
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        if (!modes) {
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            return SDL_FALSE;
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        }
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        display->display_modes = modes;
slouken@1895
   389
        display->max_display_modes += 32;
slouken@1895
   390
    }
slouken@1895
   391
    modes[nmodes] = *mode;
slouken@1895
   392
    display->num_display_modes++;
slouken@1895
   393
slouken@1895
   394
    return SDL_TRUE;
slouken@0
   395
}
slouken@0
   396
slouken@1895
   397
int
slouken@1895
   398
SDL_GetNumDisplayModes()
slouken@0
   399
{
slouken@1895
   400
    if (_this) {
slouken@1895
   401
        SDL_VideoDisplay *display = &SDL_CurrentDisplay;
slouken@1895
   402
        if (!display->num_display_modes && _this->GetDisplayModes) {
slouken@1895
   403
            _this->GetDisplayModes(_this);
slouken@1895
   404
            SDL_qsort(display->display_modes, display->num_display_modes,
slouken@1895
   405
                      sizeof(SDL_DisplayMode), cmpmodes);
slouken@1895
   406
        }
slouken@1895
   407
        return display->num_display_modes;
slouken@1895
   408
    }
slouken@1895
   409
    return 0;
slouken@0
   410
}
slouken@0
   411
slouken@1967
   412
int
slouken@1967
   413
SDL_GetDisplayMode(int index, SDL_DisplayMode * mode)
slouken@0
   414
{
slouken@1895
   415
    if (index < 0 || index >= SDL_GetNumDisplayModes()) {
slouken@1895
   416
        SDL_SetError("index must be in the range of 0 - %d",
slouken@1895
   417
                     SDL_GetNumDisplayModes() - 1);
slouken@1967
   418
        return -1;
slouken@1895
   419
    }
slouken@1967
   420
    if (mode) {
slouken@1967
   421
        *mode = SDL_CurrentDisplay.display_modes[index];
slouken@1967
   422
    }
slouken@1967
   423
    return 0;
slouken@0
   424
}
slouken@0
   425
slouken@1967
   426
int
slouken@1967
   427
SDL_GetDesktopDisplayMode(SDL_DisplayMode * mode)
slouken@0
   428
{
slouken@1967
   429
    if (!_this) {
slouken@1967
   430
        SDL_UninitializedVideo();
slouken@1967
   431
        return -1;
slouken@1895
   432
    }
slouken@1967
   433
    if (mode) {
slouken@1967
   434
        *mode = SDL_CurrentDisplay.desktop_mode;
slouken@1967
   435
    }
slouken@1967
   436
    return 0;
slouken@0
   437
}
slouken@0
   438
slouken@1967
   439
int
slouken@1967
   440
SDL_GetCurrentDisplayMode(SDL_DisplayMode * mode)
slouken@0
   441
{
slouken@1967
   442
    if (!_this) {
slouken@1967
   443
        SDL_UninitializedVideo();
slouken@1967
   444
        return -1;
slouken@1895
   445
    }
slouken@1967
   446
    if (mode) {
slouken@1967
   447
        *mode = SDL_CurrentDisplay.current_mode;
slouken@1967
   448
    }
slouken@1967
   449
    return 0;
slouken@0
   450
}
slouken@0
   451
slouken@1895
   452
SDL_DisplayMode *
slouken@1895
   453
SDL_GetClosestDisplayMode(const SDL_DisplayMode * mode,
slouken@1895
   454
                          SDL_DisplayMode * closest)
slouken@0
   455
{
slouken@1895
   456
    Uint32 target_format;
slouken@1895
   457
    int target_refresh_rate;
slouken@1895
   458
    int i;
slouken@1895
   459
    SDL_DisplayMode *current, *match;
slouken@0
   460
slouken@1895
   461
    if (!_this || !mode || !closest) {
slouken@1895
   462
        return NULL;
slouken@1895
   463
    }
slouken@0
   464
slouken@1895
   465
    /* Default to the desktop format */
slouken@1895
   466
    if (mode->format) {
slouken@1895
   467
        target_format = mode->format;
slouken@1895
   468
    } else {
slouken@1895
   469
        target_format = SDL_CurrentDisplay.desktop_mode.format;
slouken@1895
   470
    }
slouken@0
   471
slouken@1895
   472
    /* Default to the desktop refresh rate */
slouken@1895
   473
    if (mode->refresh_rate) {
slouken@1895
   474
        target_refresh_rate = mode->refresh_rate;
slouken@1895
   475
    } else {
slouken@1895
   476
        target_refresh_rate = SDL_CurrentDisplay.desktop_mode.refresh_rate;
slouken@1895
   477
    }
slouken@0
   478
slouken@1895
   479
    match = NULL;
slouken@1895
   480
    for (i = 0; i < SDL_GetNumDisplayModes(); ++i) {
slouken@1895
   481
        current = &SDL_CurrentDisplay.display_modes[i];
slouken@1895
   482
slouken@1895
   483
        if ((current->w && current->h) &&
slouken@1895
   484
            (current->w < mode->w || current->h < mode->h)) {
slouken@1895
   485
            /* Out of sorted modes large enough here */
slouken@1895
   486
            break;
slouken@1895
   487
        }
slouken@1895
   488
        if (!match || current->w < match->w || current->h < match->h) {
slouken@1895
   489
            match = current;
slouken@1895
   490
            continue;
slouken@1895
   491
        }
slouken@1895
   492
        if (current->format != match->format) {
slouken@1895
   493
            /* Sorted highest depth to lowest */
slouken@1895
   494
            if (current->format == target_format ||
slouken@1895
   495
                (SDL_BITSPERPIXEL(current->format) >=
slouken@1895
   496
                 SDL_BITSPERPIXEL(target_format)
slouken@1895
   497
                 && SDL_PIXELTYPE(current->format) ==
slouken@1895
   498
                 SDL_PIXELTYPE(target_format))) {
slouken@1895
   499
                match = current;
slouken@1895
   500
            }
slouken@1895
   501
            continue;
slouken@1895
   502
        }
slouken@1895
   503
        if (current->refresh_rate != match->refresh_rate) {
slouken@1895
   504
            /* Sorted highest refresh to lowest */
slouken@1895
   505
            if (current->refresh_rate >= target_refresh_rate) {
slouken@1895
   506
                match = current;
slouken@1895
   507
            }
slouken@1895
   508
        }
slouken@1895
   509
    }
slouken@1895
   510
    if (match) {
slouken@1895
   511
        if (match->format) {
slouken@1895
   512
            closest->format = match->format;
slouken@1895
   513
        } else {
slouken@1895
   514
            closest->format = mode->format;
slouken@1895
   515
        }
slouken@1895
   516
        if (match->w && match->h) {
slouken@1895
   517
            closest->w = match->w;
slouken@1895
   518
            closest->h = match->h;
slouken@1895
   519
        } else {
slouken@1895
   520
            closest->w = mode->w;
slouken@1895
   521
            closest->h = mode->h;
slouken@1895
   522
        }
slouken@1895
   523
        if (match->refresh_rate) {
slouken@1895
   524
            closest->refresh_rate = match->refresh_rate;
slouken@1895
   525
        } else {
slouken@1895
   526
            closest->refresh_rate = mode->refresh_rate;
slouken@1895
   527
        }
slouken@1895
   528
        closest->driverdata = match->driverdata;
slouken@1895
   529
slouken@1895
   530
        /* Pick some reasonable defaults if the app and driver don't care */
slouken@1895
   531
        if (!closest->format) {
slouken@1965
   532
            closest->format = SDL_PIXELFORMAT_RGB888;
slouken@1895
   533
        }
slouken@1895
   534
        if (!closest->w) {
slouken@1895
   535
            closest->w = 640;
slouken@1895
   536
        }
slouken@1895
   537
        if (!closest->h) {
slouken@1895
   538
            closest->h = 480;
slouken@1895
   539
        }
slouken@1895
   540
        return closest;
slouken@1895
   541
    }
slouken@1895
   542
    return NULL;
slouken@0
   543
}
slouken@0
   544
slouken@1895
   545
int
slouken@1895
   546
SDL_SetDisplayMode(const SDL_DisplayMode * mode)
slouken@0
   547
{
slouken@1895
   548
    SDL_VideoDisplay *display;
slouken@1895
   549
    SDL_DisplayMode display_mode;
slouken@1967
   550
    SDL_DisplayMode current_mode;
slouken@1895
   551
    int i, ncolors;
slouken@0
   552
slouken@1895
   553
    if (!_this) {
slouken@1912
   554
        SDL_UninitializedVideo();
slouken@1895
   555
        return -1;
slouken@1895
   556
    }
slouken@0
   557
slouken@1967
   558
    display = &SDL_CurrentDisplay;
slouken@1895
   559
    if (!mode) {
slouken@1967
   560
        mode = &display->desktop_mode;
slouken@1895
   561
    }
slouken@1895
   562
    display_mode = *mode;
slouken@1895
   563
slouken@1895
   564
    /* Default to the current mode */
slouken@1895
   565
    if (!display_mode.format) {
slouken@1895
   566
        display_mode.format = display->current_mode.format;
slouken@1895
   567
    }
slouken@1895
   568
    if (!display_mode.w) {
slouken@1895
   569
        display_mode.w = display->current_mode.w;
slouken@1895
   570
    }
slouken@1895
   571
    if (!display_mode.h) {
slouken@1895
   572
        display_mode.h = display->current_mode.h;
slouken@1895
   573
    }
slouken@1895
   574
    if (!display_mode.refresh_rate) {
slouken@1895
   575
        display_mode.refresh_rate = display->current_mode.refresh_rate;
slouken@1895
   576
    }
slouken@1895
   577
slouken@1895
   578
    /* Get a good video mode, the closest one possible */
slouken@1895
   579
    if (!SDL_GetClosestDisplayMode(&display_mode, &display_mode)) {
slouken@1895
   580
        SDL_SetError("No video mode large enough for %dx%d",
slouken@1895
   581
                     display_mode.w, display_mode.h);
slouken@1895
   582
        return -1;
slouken@1895
   583
    }
slouken@1895
   584
slouken@1895
   585
    /* See if there's anything left to do */
slouken@1967
   586
    SDL_GetCurrentDisplayMode(&current_mode);
slouken@1967
   587
    if (SDL_memcmp(&display_mode, &current_mode, sizeof(display_mode)) == 0) {
slouken@1895
   588
        return 0;
slouken@1895
   589
    }
slouken@1895
   590
slouken@1895
   591
    /* Actually change the display mode */
slouken@1895
   592
    if (_this->SetDisplayMode(_this, &display_mode) < 0) {
slouken@1895
   593
        return -1;
slouken@1895
   594
    }
slouken@1895
   595
    display->current_mode = display_mode;
slouken@1895
   596
slouken@1895
   597
    /* Set up a palette, if necessary */
slouken@1895
   598
    if (SDL_ISPIXELFORMAT_INDEXED(display_mode.format)) {
slouken@1895
   599
        ncolors = (1 << SDL_BITSPERPIXEL(display_mode.format));
slouken@1895
   600
    } else {
slouken@1895
   601
        ncolors = 0;
slouken@1895
   602
    }
slouken@1895
   603
    if ((!ncolors && display->palette) || (ncolors && !display->palette)
slouken@1895
   604
        || (ncolors && ncolors != display->palette->ncolors)) {
slouken@1895
   605
        if (display->palette) {
slouken@1895
   606
            SDL_FreePalette(display->palette);
slouken@1895
   607
            display->palette = NULL;
slouken@1895
   608
        }
slouken@1895
   609
        if (ncolors) {
slouken@1895
   610
            display->palette = SDL_AllocPalette(ncolors);
slouken@1895
   611
            if (!display->palette) {
slouken@1895
   612
                return -1;
slouken@1895
   613
            }
slouken@1895
   614
            SDL_DitherColors(display->palette->colors,
slouken@1895
   615
                             SDL_BITSPERPIXEL(display_mode.format));
slouken@1895
   616
        }
slouken@1895
   617
    }
slouken@1895
   618
slouken@1895
   619
    /* Move any fullscreen windows into position */
slouken@1895
   620
    for (i = 0; i < display->num_windows; ++i) {
slouken@1895
   621
        SDL_Window *window = &display->windows[i];
slouken@1895
   622
        if (FULLSCREEN_VISIBLE(window)) {
slouken@1956
   623
            SDL_SetWindowPosition(window->id, SDL_WINDOWPOS_CENTERED,
slouken@1956
   624
                                  SDL_WINDOWPOS_CENTERED);
slouken@1895
   625
        }
slouken@1895
   626
    }
slouken@1895
   627
slouken@1895
   628
    return 0;
slouken@0
   629
}
slouken@0
   630
slouken@1895
   631
int
slouken@1895
   632
SDL_SetFullscreenDisplayMode(const SDL_DisplayMode * mode)
slouken@0
   633
{
slouken@1895
   634
    SDL_VideoDisplay *display;
slouken@1970
   635
    SDL_DisplayMode fullscreen_mode;
slouken@1895
   636
    int i;
slouken@0
   637
slouken@1895
   638
    if (!_this) {
slouken@1912
   639
        SDL_UninitializedVideo();
slouken@1895
   640
        return -1;
slouken@1895
   641
    }
slouken@0
   642
slouken@1895
   643
    display = &SDL_CurrentDisplay;
slouken@1970
   644
    if (!mode) {
slouken@1970
   645
        mode = &display->desktop_mode;
slouken@1895
   646
    }
slouken@1895
   647
slouken@1970
   648
    SDL_GetClosestDisplayMode(mode, &fullscreen_mode);
slouken@1970
   649
    if (SDL_memcmp
slouken@1970
   650
        (&fullscreen_mode, &display->fullscreen_mode,
slouken@1970
   651
         sizeof(fullscreen_mode)) == 0) {
slouken@1970
   652
        /* Nothing to do... */
slouken@1970
   653
        return 0;
slouken@1970
   654
    }
slouken@1970
   655
    display->fullscreen_mode = fullscreen_mode;
slouken@1970
   656
slouken@1895
   657
    /* Actually set the mode if we have a fullscreen window visible */
slouken@1895
   658
    for (i = 0; i < display->num_windows; ++i) {
slouken@1895
   659
        SDL_Window *window = &display->windows[i];
slouken@1895
   660
        if (FULLSCREEN_VISIBLE(window)) {
slouken@1970
   661
            if (SDL_SetDisplayMode(&display->fullscreen_mode) < 0) {
slouken@1970
   662
                return -1;
slouken@1970
   663
            }
slouken@1970
   664
        }
slouken@1970
   665
        if (window->flags & SDL_WINDOW_FULLSCREEN) {
slouken@1970
   666
            SDL_OnWindowResized(window);
slouken@1895
   667
        }
slouken@1895
   668
    }
slouken@1895
   669
    return 0;
slouken@0
   670
}
slouken@0
   671
slouken@1967
   672
int
slouken@1967
   673
SDL_GetFullscreenDisplayMode(SDL_DisplayMode * mode)
slouken@0
   674
{
slouken@1967
   675
    if (!_this) {
slouken@1967
   676
        SDL_UninitializedVideo();
slouken@1967
   677
        return -1;
slouken@1895
   678
    }
slouken@1967
   679
    if (mode) {
slouken@1970
   680
        *mode = SDL_CurrentDisplay.fullscreen_mode;
slouken@1967
   681
    }
slouken@1967
   682
    return 0;
slouken@0
   683
}
slouken@0
   684
slouken@1895
   685
int
slouken@1895
   686
SDL_SetDisplayPalette(const SDL_Color * colors, int firstcolor, int ncolors)
slouken@0
   687
{
slouken@1895
   688
    SDL_Palette *palette;
slouken@1895
   689
    int status = 0;
slouken@0
   690
slouken@1895
   691
    if (!_this) {
slouken@1912
   692
        SDL_UninitializedVideo();
slouken@1895
   693
        return -1;
slouken@1895
   694
    }
slouken@1895
   695
    palette = SDL_CurrentDisplay.palette;
slouken@1895
   696
    if (!palette) {
slouken@1895
   697
        SDL_SetError("Display mode does not have a palette");
slouken@1895
   698
        return -1;
slouken@1895
   699
    }
slouken@0
   700
slouken@1895
   701
    status = SDL_SetPaletteColors(palette, colors, firstcolor, ncolors);
slouken@0
   702
slouken@1895
   703
    if (_this->SetDisplayPalette) {
slouken@1895
   704
        if (_this->SetDisplayPalette(_this, palette) < 0) {
slouken@1895
   705
            status = -1;
slouken@1895
   706
        }
slouken@1895
   707
    }
slouken@1895
   708
    return status;
slouken@0
   709
}
slouken@0
   710
slouken@1895
   711
int
slouken@1895
   712
SDL_GetDisplayPalette(SDL_Color * colors, int firstcolor, int ncolors)
slouken@0
   713
{
slouken@1895
   714
    SDL_Palette *palette;
slouken@1895
   715
slouken@1895
   716
    if (!_this) {
slouken@1912
   717
        SDL_UninitializedVideo();
slouken@1895
   718
        return -1;
slouken@1895
   719
    }
slouken@1895
   720
slouken@1895
   721
    palette = SDL_CurrentDisplay.palette;
slouken@1895
   722
    if (!palette->ncolors) {
slouken@1895
   723
        SDL_SetError("Display mode does not have a palette");
slouken@1895
   724
        return -1;
slouken@1895
   725
    }
slouken@1895
   726
slouken@1895
   727
    if (firstcolor < 0 || (firstcolor + ncolors) > palette->ncolors) {
slouken@1895
   728
        SDL_SetError("Palette indices are out of range");
slouken@1895
   729
        return -1;
slouken@1895
   730
    }
slouken@1895
   731
slouken@1895
   732
    SDL_memcpy(colors, &palette->colors[firstcolor],
slouken@1895
   733
               ncolors * sizeof(*colors));
slouken@1895
   734
    return 0;
slouken@0
   735
}
slouken@0
   736
slouken@1895
   737
SDL_WindowID
slouken@1895
   738
SDL_CreateWindow(const char *title, int x, int y, int w, int h, Uint32 flags)
slouken@0
   739
{
slouken@1895
   740
    const Uint32 allowed_flags = (SDL_WINDOW_FULLSCREEN |
slouken@1895
   741
                                  SDL_WINDOW_OPENGL |
slouken@1895
   742
                                  SDL_WINDOW_BORDERLESS |
slouken@1956
   743
                                  SDL_WINDOW_RESIZABLE);
slouken@1895
   744
    SDL_VideoDisplay *display;
slouken@1895
   745
    SDL_Window window;
slouken@1895
   746
    int num_windows;
slouken@1895
   747
    SDL_Window *windows;
slouken@0
   748
slouken@1895
   749
    if (!_this) {
slouken@1912
   750
        SDL_UninitializedVideo();
slouken@1912
   751
        return 0;
slouken@1912
   752
    }
slouken@1912
   753
slouken@1912
   754
    if ((flags & SDL_WINDOW_OPENGL) && !_this->GL_CreateContext) {
slouken@1912
   755
        SDL_SetError("No OpenGL support in video driver");
slouken@1895
   756
        return 0;
slouken@1895
   757
    }
slouken@0
   758
slouken@1956
   759
    /* Fullscreen windows don't have any window decorations */
slouken@1956
   760
    if (flags & SDL_WINDOW_FULLSCREEN) {
slouken@1956
   761
        flags |= SDL_WINDOW_BORDERLESS;
slouken@1956
   762
        flags &= ~SDL_WINDOW_RESIZABLE;
slouken@1956
   763
    }
slouken@1956
   764
slouken@1895
   765
    SDL_zero(window);
slouken@1895
   766
    window.id = _this->next_object_id++;
slouken@1895
   767
    window.x = x;
slouken@1895
   768
    window.y = y;
slouken@1895
   769
    window.w = w;
slouken@1895
   770
    window.h = h;
slouken@1895
   771
    window.flags = (flags & allowed_flags);
slouken@1895
   772
    window.display = _this->current_display;
slouken@0
   773
slouken@1895
   774
    if (_this->CreateWindow && _this->CreateWindow(_this, &window) < 0) {
slouken@1895
   775
        return 0;
slouken@1895
   776
    }
slouken@0
   777
slouken@1895
   778
    display = &SDL_CurrentDisplay;
slouken@1895
   779
    num_windows = display->num_windows;
slouken@1895
   780
    windows =
slouken@1895
   781
        SDL_realloc(display->windows, (num_windows + 1) * sizeof(*windows));
slouken@1895
   782
    if (!windows) {
slouken@1895
   783
        if (_this->DestroyWindow) {
slouken@1895
   784
            _this->DestroyWindow(_this, &window);
slouken@1895
   785
        }
slouken@1895
   786
        return 0;
slouken@1895
   787
    }
slouken@1895
   788
    windows[num_windows] = window;
slouken@1895
   789
    display->windows = windows;
slouken@1895
   790
    display->num_windows++;
slouken@0
   791
slouken@1956
   792
    if (title) {
slouken@1956
   793
        SDL_SetWindowTitle(window.id, title);
slouken@1895
   794
    }
slouken@1956
   795
    if (flags & SDL_WINDOW_MAXIMIZED) {
slouken@1956
   796
        SDL_MaximizeWindow(window.id);
slouken@1956
   797
    }
slouken@1956
   798
    if (flags & SDL_WINDOW_MINIMIZED) {
slouken@1956
   799
        SDL_MinimizeWindow(window.id);
slouken@1956
   800
    }
slouken@1956
   801
    if (flags & SDL_WINDOW_SHOWN) {
slouken@1956
   802
        SDL_ShowWindow(window.id);
slouken@1956
   803
    }
slouken@1956
   804
    if (flags & SDL_WINDOW_INPUT_GRABBED) {
slouken@1956
   805
        SDL_SetWindowGrab(window.id, 1);
slouken@1956
   806
    }
slouken@1895
   807
    return window.id;
slouken@1895
   808
}
slouken@0
   809
slouken@1895
   810
SDL_WindowID
slouken@1895
   811
SDL_CreateWindowFrom(const void *data)
slouken@1895
   812
{
slouken@1895
   813
    SDL_VideoDisplay *display;
slouken@1895
   814
    SDL_Window window;
slouken@1895
   815
    int num_windows;
slouken@1895
   816
    SDL_Window *windows;
slouken@0
   817
slouken@1895
   818
    if (!_this) {
slouken@1912
   819
        SDL_UninitializedVideo();
slouken@1895
   820
        return (0);
slouken@1895
   821
    }
slouken@1895
   822
slouken@1895
   823
    SDL_zero(window);
slouken@1895
   824
    window.id = _this->next_object_id++;
slouken@1895
   825
    window.display = _this->current_display;
slouken@1895
   826
slouken@1895
   827
    if (!_this->CreateWindowFrom ||
slouken@1895
   828
        _this->CreateWindowFrom(_this, &window, data) < 0) {
slouken@1895
   829
        return 0;
slouken@1895
   830
    }
slouken@1895
   831
slouken@1895
   832
    display = &SDL_CurrentDisplay;
slouken@1895
   833
    num_windows = display->num_windows;
slouken@1895
   834
    windows =
slouken@1895
   835
        SDL_realloc(display->windows, (num_windows + 1) * sizeof(*windows));
slouken@1895
   836
    if (!windows) {
slouken@1895
   837
        if (_this->DestroyWindow) {
slouken@1895
   838
            _this->DestroyWindow(_this, &window);
slouken@1895
   839
        }
slouken@1895
   840
        if (window.title) {
slouken@1895
   841
            SDL_free(window.title);
slouken@1895
   842
        }
slouken@1895
   843
        return 0;
slouken@1895
   844
    }
slouken@1895
   845
    windows[num_windows] = window;
slouken@1895
   846
    display->windows = windows;
slouken@1895
   847
    display->num_windows++;
slouken@1895
   848
slouken@1895
   849
    return window.id;
slouken@1895
   850
}
slouken@1895
   851
slouken@1924
   852
int
slouken@1928
   853
SDL_RecreateWindow(SDL_Window * window, Uint32 flags)
slouken@1924
   854
{
slouken@1956
   855
    char *title = window->title;
slouken@1956
   856
slouken@1928
   857
    if ((flags & SDL_WINDOW_OPENGL) && !_this->GL_CreateContext) {
slouken@1924
   858
        SDL_SetError("No OpenGL support in video driver");
slouken@1924
   859
        return -1;
slouken@1924
   860
    }
slouken@1956
   861
slouken@1924
   862
    if (_this->DestroyWindow) {
slouken@1924
   863
        _this->DestroyWindow(_this, window);
slouken@1924
   864
    }
slouken@1956
   865
slouken@1956
   866
    window->title = NULL;
slouken@1956
   867
    window->flags =
slouken@1956
   868
        (flags &
slouken@1956
   869
         ~(SDL_WINDOW_MAXIMIZED | SDL_WINDOW_MINIMIZED | SDL_WINDOW_SHOWN |
slouken@1956
   870
           SDL_WINDOW_INPUT_GRABBED));
slouken@1956
   871
slouken@1956
   872
    if (_this->CreateWindow && _this->CreateWindow(_this, window) < 0) {
slouken@1956
   873
        return -1;
slouken@1956
   874
    }
slouken@1956
   875
slouken@1956
   876
    if (title) {
slouken@1956
   877
        SDL_SetWindowTitle(window->id, title);
slouken@1956
   878
        SDL_free(title);
slouken@1956
   879
    }
slouken@1956
   880
    if (flags & SDL_WINDOW_MAXIMIZED) {
slouken@1956
   881
        SDL_MaximizeWindow(window->id);
slouken@1956
   882
    }
slouken@1956
   883
    if (flags & SDL_WINDOW_MINIMIZED) {
slouken@1956
   884
        SDL_MinimizeWindow(window->id);
slouken@1956
   885
    }
slouken@1956
   886
    if (flags & SDL_WINDOW_SHOWN) {
slouken@1956
   887
        SDL_ShowWindow(window->id);
slouken@1956
   888
    }
slouken@1956
   889
    if (flags & SDL_WINDOW_INPUT_GRABBED) {
slouken@1956
   890
        SDL_SetWindowGrab(window->id, 1);
slouken@1956
   891
    }
slouken@1956
   892
    return 0;
slouken@1924
   893
}
slouken@1924
   894
slouken@1895
   895
SDL_Window *
slouken@1895
   896
SDL_GetWindowFromID(SDL_WindowID windowID)
slouken@1895
   897
{
slouken@1895
   898
    int i, j;
slouken@1895
   899
slouken@1895
   900
    if (!_this) {
slouken@1912
   901
        SDL_UninitializedVideo();
slouken@1895
   902
        return NULL;
slouken@1895
   903
    }
slouken@1895
   904
slouken@1895
   905
    for (i = 0; i < _this->num_displays; ++i) {
slouken@1895
   906
        SDL_VideoDisplay *display = &_this->displays[i];
slouken@1895
   907
        for (j = 0; j < display->num_windows; ++j) {
slouken@1895
   908
            SDL_Window *window = &display->windows[j];
slouken@1895
   909
            if (window->id == windowID) {
slouken@1895
   910
                return window;
slouken@1895
   911
            }
slouken@1895
   912
        }
slouken@1895
   913
    }
slouken@1895
   914
    return NULL;
slouken@1895
   915
}
slouken@1895
   916
slouken@1895
   917
SDL_VideoDisplay *
slouken@1895
   918
SDL_GetDisplayFromWindow(SDL_Window * window)
slouken@1895
   919
{
slouken@1895
   920
    if (!_this) {
slouken@1912
   921
        SDL_UninitializedVideo();
slouken@1895
   922
        return NULL;
slouken@1895
   923
    }
slouken@1956
   924
    if (!window) {
slouken@1956
   925
        return NULL;
slouken@1956
   926
    }
slouken@1895
   927
    return &_this->displays[window->display];
slouken@1895
   928
}
slouken@1895
   929
slouken@1895
   930
Uint32
slouken@1895
   931
SDL_GetWindowFlags(SDL_WindowID windowID)
slouken@1895
   932
{
slouken@1895
   933
    SDL_Window *window = SDL_GetWindowFromID(windowID);
slouken@1895
   934
slouken@1895
   935
    if (!window) {
slouken@1895
   936
        return 0;
slouken@1895
   937
    }
slouken@1895
   938
    return window->flags;
slouken@1895
   939
}
slouken@1895
   940
slouken@1895
   941
void
slouken@1895
   942
SDL_SetWindowTitle(SDL_WindowID windowID, const char *title)
slouken@1895
   943
{
slouken@1895
   944
    SDL_Window *window = SDL_GetWindowFromID(windowID);
slouken@1895
   945
slouken@1956
   946
    if (!window || title == window->title) {
slouken@1895
   947
        return;
slouken@1895
   948
    }
slouken@1956
   949
slouken@1895
   950
    if (window->title) {
slouken@1895
   951
        SDL_free(window->title);
slouken@1895
   952
    }
slouken@1956
   953
    if (title) {
slouken@1956
   954
        window->title = SDL_strdup(title);
slouken@1956
   955
    } else {
slouken@1956
   956
        window->title = NULL;
slouken@1956
   957
    }
slouken@1895
   958
slouken@1895
   959
    if (_this->SetWindowTitle) {
slouken@1895
   960
        _this->SetWindowTitle(_this, window);
slouken@1895
   961
    }
slouken@1895
   962
}
slouken@1895
   963
slouken@1895
   964
const char *
slouken@1895
   965
SDL_GetWindowTitle(SDL_WindowID windowID)
slouken@1895
   966
{
slouken@1895
   967
    SDL_Window *window = SDL_GetWindowFromID(windowID);
slouken@1895
   968
slouken@1895
   969
    if (!window) {
slouken@1895
   970
        return NULL;
slouken@1895
   971
    }
slouken@1895
   972
    return window->title;
slouken@1895
   973
}
slouken@1895
   974
slouken@1895
   975
void
slouken@1895
   976
SDL_SetWindowData(SDL_WindowID windowID, void *userdata)
slouken@1895
   977
{
slouken@1895
   978
    SDL_Window *window = SDL_GetWindowFromID(windowID);
slouken@1895
   979
slouken@1895
   980
    if (!window) {
slouken@1895
   981
        return;
slouken@1895
   982
    }
slouken@1895
   983
    window->userdata = userdata;
slouken@1895
   984
}
slouken@1895
   985
slouken@1895
   986
void *
slouken@1895
   987
SDL_GetWindowData(SDL_WindowID windowID)
slouken@1895
   988
{
slouken@1895
   989
    SDL_Window *window = SDL_GetWindowFromID(windowID);
slouken@1895
   990
slouken@1895
   991
    if (!window) {
slouken@1895
   992
        return NULL;
slouken@1895
   993
    }
slouken@1895
   994
    return window->userdata;
slouken@1895
   995
}
slouken@1895
   996
slouken@1895
   997
void
slouken@1895
   998
SDL_SetWindowPosition(SDL_WindowID windowID, int x, int y)
slouken@1895
   999
{
slouken@1895
  1000
    SDL_Window *window = SDL_GetWindowFromID(windowID);
slouken@1956
  1001
    SDL_VideoDisplay *display = SDL_GetDisplayFromWindow(window);
slouken@1895
  1002
slouken@1895
  1003
    if (!window) {
slouken@1895
  1004
        return;
slouken@1895
  1005
    }
slouken@1895
  1006
slouken@1956
  1007
    if (x == SDL_WINDOWPOS_CENTERED) {
slouken@1956
  1008
        window->x = (display->current_mode.w - window->w) / 2;
slouken@1956
  1009
    } else if (x != SDL_WINDOWPOS_UNDEFINED) {
slouken@1895
  1010
        window->x = x;
slouken@1895
  1011
    }
slouken@1956
  1012
    if (y == SDL_WINDOWPOS_CENTERED) {
slouken@1956
  1013
        window->y = (display->current_mode.h - window->h) / 2;
slouken@1956
  1014
    } else if (y != SDL_WINDOWPOS_UNDEFINED) {
slouken@1895
  1015
        window->y = y;
slouken@1895
  1016
    }
slouken@1895
  1017
slouken@1895
  1018
    if (_this->SetWindowPosition) {
slouken@1895
  1019
        _this->SetWindowPosition(_this, window);
slouken@1895
  1020
    }
slouken@1895
  1021
}
slouken@1895
  1022
slouken@1895
  1023
void
slouken@1895
  1024
SDL_GetWindowPosition(SDL_WindowID windowID, int *x, int *y)
slouken@1895
  1025
{
slouken@1895
  1026
    SDL_Window *window = SDL_GetWindowFromID(windowID);
slouken@1895
  1027
slouken@1895
  1028
    if (!window) {
slouken@1895
  1029
        return;
slouken@1895
  1030
    }
slouken@1895
  1031
    if (x) {
slouken@1895
  1032
        *x = window->x;
slouken@1895
  1033
    }
slouken@1895
  1034
    if (y) {
slouken@1895
  1035
        *y = window->y;
slouken@1895
  1036
    }
slouken@1895
  1037
}
slouken@1895
  1038
slouken@1895
  1039
void
slouken@1895
  1040
SDL_SetWindowSize(SDL_WindowID windowID, int w, int h)
slouken@1895
  1041
{
slouken@1895
  1042
    SDL_Window *window = SDL_GetWindowFromID(windowID);
slouken@1895
  1043
slouken@1895
  1044
    if (!window) {
slouken@1895
  1045
        return;
slouken@1895
  1046
    }
slouken@1895
  1047
slouken@1895
  1048
    window->w = w;
slouken@1895
  1049
    window->h = h;
slouken@1895
  1050
slouken@1895
  1051
    if (_this->SetWindowSize) {
slouken@1895
  1052
        _this->SetWindowSize(_this, window);
slouken@1895
  1053
    }
slouken@1895
  1054
}
slouken@1895
  1055
slouken@1895
  1056
void
slouken@1895
  1057
SDL_GetWindowSize(SDL_WindowID windowID, int *w, int *h)
slouken@1895
  1058
{
slouken@1895
  1059
    SDL_Window *window = SDL_GetWindowFromID(windowID);
slouken@1895
  1060
slouken@1895
  1061
    if (!window) {
slouken@1895
  1062
        return;
slouken@1895
  1063
    }
slouken@1895
  1064
    if (w) {
slouken@1895
  1065
        *w = window->w;
slouken@1895
  1066
    }
slouken@1895
  1067
    if (h) {
slouken@1895
  1068
        *h = window->h;
slouken@1895
  1069
    }
slouken@1895
  1070
}
slouken@1895
  1071
slouken@1895
  1072
void
slouken@1895
  1073
SDL_ShowWindow(SDL_WindowID windowID)
slouken@1895
  1074
{
slouken@1895
  1075
    SDL_Window *window = SDL_GetWindowFromID(windowID);
slouken@1895
  1076
slouken@1895
  1077
    if (!window || (window->flags & SDL_WINDOW_SHOWN)) {
slouken@1895
  1078
        return;
slouken@1895
  1079
    }
slouken@1895
  1080
slouken@1895
  1081
    SDL_SendWindowEvent(window->id, SDL_WINDOWEVENT_SHOWN, 0, 0);
slouken@1895
  1082
slouken@1895
  1083
    if (_this->ShowWindow) {
slouken@1895
  1084
        _this->ShowWindow(_this, window);
slouken@1895
  1085
    }
slouken@1895
  1086
}
slouken@1895
  1087
slouken@1895
  1088
void
slouken@1895
  1089
SDL_HideWindow(SDL_WindowID windowID)
slouken@1895
  1090
{
slouken@1895
  1091
    SDL_Window *window = SDL_GetWindowFromID(windowID);
slouken@1895
  1092
slouken@1895
  1093
    if (!window || !(window->flags & SDL_WINDOW_SHOWN)) {
slouken@1895
  1094
        return;
slouken@1895
  1095
    }
slouken@1895
  1096
slouken@1895
  1097
    SDL_SendWindowEvent(window->id, SDL_WINDOWEVENT_HIDDEN, 0, 0);
slouken@1895
  1098
slouken@1895
  1099
    if (_this->HideWindow) {
slouken@1895
  1100
        _this->HideWindow(_this, window);
slouken@1895
  1101
    }
slouken@1895
  1102
}
slouken@1895
  1103
slouken@1895
  1104
void
slouken@1895
  1105
SDL_RaiseWindow(SDL_WindowID windowID)
slouken@1895
  1106
{
slouken@1895
  1107
    SDL_Window *window = SDL_GetWindowFromID(windowID);
slouken@1895
  1108
slouken@1956
  1109
    if (!window || !(window->flags & SDL_WINDOW_SHOWN)) {
slouken@1895
  1110
        return;
slouken@1895
  1111
    }
slouken@1895
  1112
slouken@1895
  1113
    if (_this->RaiseWindow) {
slouken@1895
  1114
        _this->RaiseWindow(_this, window);
slouken@1895
  1115
    }
slouken@1895
  1116
}
slouken@1895
  1117
slouken@1895
  1118
void
slouken@1895
  1119
SDL_MaximizeWindow(SDL_WindowID windowID)
slouken@1895
  1120
{
slouken@1895
  1121
    SDL_Window *window = SDL_GetWindowFromID(windowID);
slouken@1895
  1122
slouken@1895
  1123
    if (!window || (window->flags & SDL_WINDOW_MAXIMIZED)) {
slouken@1895
  1124
        return;
slouken@1895
  1125
    }
slouken@1895
  1126
slouken@1895
  1127
    SDL_SendWindowEvent(window->id, SDL_WINDOWEVENT_MAXIMIZED, 0, 0);
slouken@1895
  1128
slouken@1895
  1129
    if (_this->MaximizeWindow) {
slouken@1895
  1130
        _this->MaximizeWindow(_this, window);
slouken@1895
  1131
    }
slouken@1895
  1132
}
slouken@1895
  1133
slouken@1895
  1134
void
slouken@1895
  1135
SDL_MinimizeWindow(SDL_WindowID windowID)
slouken@1895
  1136
{
slouken@1895
  1137
    SDL_Window *window = SDL_GetWindowFromID(windowID);
slouken@1895
  1138
slouken@1895
  1139
    if (!window || (window->flags & SDL_WINDOW_MINIMIZED)) {
slouken@1895
  1140
        return;
slouken@1895
  1141
    }
slouken@1895
  1142
slouken@1895
  1143
    SDL_SendWindowEvent(window->id, SDL_WINDOWEVENT_MINIMIZED, 0, 0);
slouken@1895
  1144
slouken@1895
  1145
    if (_this->MinimizeWindow) {
slouken@1895
  1146
        _this->MinimizeWindow(_this, window);
slouken@1895
  1147
    }
slouken@1895
  1148
}
slouken@1895
  1149
slouken@1895
  1150
void
slouken@1895
  1151
SDL_RestoreWindow(SDL_WindowID windowID)
slouken@1895
  1152
{
slouken@1895
  1153
    SDL_Window *window = SDL_GetWindowFromID(windowID);
slouken@1895
  1154
slouken@1895
  1155
    if (!window
slouken@1895
  1156
        || (window->flags & (SDL_WINDOW_MAXIMIZED | SDL_WINDOW_MINIMIZED))) {
slouken@1895
  1157
        return;
slouken@1895
  1158
    }
slouken@1895
  1159
slouken@1895
  1160
    SDL_SendWindowEvent(window->id, SDL_WINDOWEVENT_RESTORED, 0, 0);
slouken@1895
  1161
slouken@1895
  1162
    if (_this->RestoreWindow) {
slouken@1895
  1163
        _this->RestoreWindow(_this, window);
slouken@1895
  1164
    }
slouken@1895
  1165
}
slouken@1895
  1166
slouken@1895
  1167
int
slouken@1895
  1168
SDL_SetWindowFullscreen(SDL_WindowID windowID, int fullscreen)
slouken@1895
  1169
{
slouken@1895
  1170
    SDL_Window *window = SDL_GetWindowFromID(windowID);
slouken@1895
  1171
slouken@1895
  1172
    if (!window) {
slouken@1895
  1173
        return -1;
slouken@1895
  1174
    }
slouken@1895
  1175
slouken@1895
  1176
    if (fullscreen) {
slouken@1895
  1177
        fullscreen = SDL_WINDOW_FULLSCREEN;
slouken@1895
  1178
    }
slouken@1895
  1179
    if ((window->flags & SDL_WINDOW_FULLSCREEN) == fullscreen) {
slouken@1895
  1180
        return 0;
slouken@1895
  1181
    }
slouken@1895
  1182
slouken@1895
  1183
    if (fullscreen) {
slouken@1895
  1184
        window->flags |= SDL_WINDOW_FULLSCREEN;
slouken@1895
  1185
slouken@1895
  1186
        if (FULLSCREEN_VISIBLE(window)) {
slouken@1895
  1187
            SDL_VideoDisplay *display = SDL_GetDisplayFromWindow(window);
slouken@1895
  1188
slouken@1895
  1189
            /* Hide any other fullscreen windows */
slouken@1895
  1190
            int i;
slouken@1895
  1191
            for (i = 0; i < display->num_windows; ++i) {
slouken@1895
  1192
                SDL_Window *other = &display->windows[i];
slouken@1895
  1193
                if (other->id != windowID && FULLSCREEN_VISIBLE(other)) {
slouken@1895
  1194
                    SDL_MinimizeWindow(other->id);
slouken@1895
  1195
                }
slouken@1895
  1196
            }
slouken@1895
  1197
slouken@1970
  1198
            SDL_SetDisplayMode(&display->fullscreen_mode);
slouken@1895
  1199
        }
slouken@1895
  1200
    } else {
slouken@1895
  1201
        window->flags &= ~SDL_WINDOW_FULLSCREEN;
slouken@1895
  1202
slouken@1895
  1203
        if (FULLSCREEN_VISIBLE(window)) {
slouken@1895
  1204
            SDL_SetDisplayMode(NULL);
slouken@1895
  1205
        }
slouken@1895
  1206
    }
slouken@1895
  1207
    return 0;
slouken@1895
  1208
}
slouken@1895
  1209
slouken@1895
  1210
void
slouken@1895
  1211
SDL_SetWindowGrab(SDL_WindowID windowID, int mode)
slouken@1895
  1212
{
slouken@1895
  1213
    SDL_Window *window = SDL_GetWindowFromID(windowID);
slouken@1895
  1214
slouken@1895
  1215
    if (!window || (!!mode == !!(window->flags & SDL_WINDOW_INPUT_GRABBED))) {
slouken@1895
  1216
        return;
slouken@1895
  1217
    }
slouken@1895
  1218
slouken@1895
  1219
    if (mode) {
slouken@1895
  1220
        window->flags |= SDL_WINDOW_INPUT_GRABBED;
slouken@1895
  1221
    } else {
slouken@1895
  1222
        window->flags &= ~SDL_WINDOW_INPUT_GRABBED;
slouken@1895
  1223
    }
slouken@1895
  1224
slouken@1895
  1225
    if ((window->flags & SDL_WINDOW_INPUT_FOCUS) && _this->SetWindowGrab) {
slouken@1895
  1226
        _this->SetWindowGrab(_this, window);
slouken@1895
  1227
    }
slouken@1895
  1228
}
slouken@1895
  1229
slouken@1895
  1230
int
slouken@1895
  1231
SDL_GetWindowGrab(SDL_WindowID windowID)
slouken@1895
  1232
{
slouken@1895
  1233
    SDL_Window *window = SDL_GetWindowFromID(windowID);
slouken@1895
  1234
slouken@1895
  1235
    if (!window) {
slouken@1895
  1236
        return 0;
slouken@1895
  1237
    }
slouken@1895
  1238
slouken@1895
  1239
    return ((window->flags & SDL_WINDOW_INPUT_GRABBED) != 0);
slouken@1895
  1240
}
slouken@1895
  1241
slouken@1895
  1242
void
slouken@1895
  1243
SDL_OnWindowShown(SDL_Window * window)
slouken@1895
  1244
{
slouken@1895
  1245
}
slouken@1895
  1246
slouken@1895
  1247
void
slouken@1895
  1248
SDL_OnWindowHidden(SDL_Window * window)
slouken@1895
  1249
{
slouken@1895
  1250
}
slouken@1895
  1251
slouken@1895
  1252
void
slouken@1970
  1253
SDL_OnWindowResized(SDL_Window * window)
slouken@1970
  1254
{
slouken@1970
  1255
    SDL_Renderer *renderer = window->renderer;
slouken@1970
  1256
slouken@1970
  1257
    if (renderer && renderer->DisplayModeChanged) {
slouken@1970
  1258
        renderer->DisplayModeChanged(renderer);
slouken@1970
  1259
    }
slouken@1970
  1260
}
slouken@1970
  1261
slouken@1970
  1262
void
slouken@1895
  1263
SDL_OnWindowFocusGained(SDL_Window * window)
slouken@1895
  1264
{
slouken@1895
  1265
    SDL_VideoDisplay *display = SDL_GetDisplayFromWindow(window);
slouken@1895
  1266
slouken@1895
  1267
    if (window->flags & SDL_WINDOW_FULLSCREEN) {
slouken@1970
  1268
        SDL_SetDisplayMode(&display->fullscreen_mode);
slouken@1895
  1269
    }
slouken@1895
  1270
    if (display->gamma && _this->SetDisplayGammaRamp) {
slouken@1895
  1271
        _this->SetDisplayGammaRamp(_this, display->gamma);
slouken@1895
  1272
    }
slouken@1895
  1273
    if ((window->flags & SDL_WINDOW_INPUT_GRABBED) && _this->SetWindowGrab) {
slouken@1895
  1274
        _this->SetWindowGrab(_this, window);
slouken@1895
  1275
    }
slouken@1895
  1276
}
slouken@1895
  1277
slouken@1895
  1278
void
slouken@1895
  1279
SDL_OnWindowFocusLost(SDL_Window * window)
slouken@1895
  1280
{
slouken@1895
  1281
    SDL_VideoDisplay *display = SDL_GetDisplayFromWindow(window);
slouken@1895
  1282
slouken@1895
  1283
    if (window->flags & SDL_WINDOW_FULLSCREEN) {
slouken@1895
  1284
        SDL_MinimizeWindow(window->id);
slouken@1895
  1285
        SDL_SetDisplayMode(NULL);
slouken@1895
  1286
    }
slouken@1895
  1287
    if (display->gamma && _this->SetDisplayGammaRamp) {
slouken@1895
  1288
        _this->SetDisplayGammaRamp(_this, display->saved_gamma);
slouken@1895
  1289
    }
slouken@1895
  1290
    if ((window->flags & SDL_WINDOW_INPUT_GRABBED) && _this->SetWindowGrab) {
slouken@1895
  1291
        _this->SetWindowGrab(_this, window);
slouken@1895
  1292
    }
slouken@1895
  1293
}
slouken@1895
  1294
slouken@1895
  1295
SDL_WindowID
slouken@1895
  1296
SDL_GetFocusWindow(void)
slouken@1895
  1297
{
slouken@1895
  1298
    SDL_VideoDisplay *display;
slouken@1895
  1299
    int i;
slouken@1895
  1300
slouken@1895
  1301
    if (!_this) {
slouken@1895
  1302
        return 0;
slouken@1895
  1303
    }
slouken@1895
  1304
slouken@1895
  1305
    display = &SDL_CurrentDisplay;
slouken@1895
  1306
    for (i = 0; i < display->num_windows; ++i) {
slouken@1895
  1307
        SDL_Window *window = &display->windows[i];
slouken@1895
  1308
slouken@1895
  1309
        if (window->flags & SDL_WINDOW_INPUT_FOCUS) {
slouken@1895
  1310
            return window->id;
slouken@1895
  1311
        }
slouken@1895
  1312
    }
slouken@1895
  1313
    return 0;
slouken@1895
  1314
}
slouken@1895
  1315
slouken@1895
  1316
void
slouken@1895
  1317
SDL_DestroyWindow(SDL_WindowID windowID)
slouken@1895
  1318
{
slouken@1895
  1319
    int i, j;
slouken@1895
  1320
slouken@1895
  1321
    if (!_this) {
slouken@1895
  1322
        return;
slouken@1895
  1323
    }
slouken@1895
  1324
slouken@1895
  1325
    /* Restore video mode, etc. */
slouken@1895
  1326
    SDL_SendWindowEvent(windowID, SDL_WINDOWEVENT_FOCUS_LOST, 0, 0);
slouken@1895
  1327
slouken@1895
  1328
    for (i = 0; i < _this->num_displays; ++i) {
slouken@1895
  1329
        SDL_VideoDisplay *display = &_this->displays[i];
slouken@1895
  1330
        for (j = 0; j < display->num_windows; ++j) {
slouken@1895
  1331
            SDL_Window *window = &display->windows[j];
slouken@1895
  1332
            if (window->id != windowID) {
slouken@1895
  1333
                continue;
slouken@1895
  1334
            }
bob@2328
  1335
            if (window->title) {
bob@2328
  1336
                SDL_free(window->title);
bob@2328
  1337
                window->title = NULL;
bob@2328
  1338
            }
slouken@1895
  1339
            if (window->renderer) {
slouken@1895
  1340
                SDL_DestroyRenderer(window->id);
bob@2328
  1341
                window->renderer = NULL;
slouken@1895
  1342
            }
slouken@1895
  1343
            if (_this->DestroyWindow) {
slouken@1895
  1344
                _this->DestroyWindow(_this, window);
slouken@1895
  1345
            }
slouken@1895
  1346
            if (j != display->num_windows - 1) {
slouken@1895
  1347
                SDL_memcpy(&display->windows[i],
slouken@1895
  1348
                           &display->windows[i + 1],
slouken@1895
  1349
                           (display->num_windows - i - 1) * sizeof(*window));
slouken@1895
  1350
            }
slouken@1895
  1351
            --display->num_windows;
slouken@1895
  1352
            return;
slouken@1895
  1353
        }
slouken@1895
  1354
    }
slouken@1895
  1355
}
slouken@1895
  1356
slouken@1895
  1357
void
slouken@1895
  1358
SDL_AddRenderDriver(int displayIndex, const SDL_RenderDriver * driver)
slouken@1895
  1359
{
slouken@2119
  1360
    SDL_VideoDisplay *display;
slouken@1895
  1361
    SDL_RenderDriver *render_drivers;
slouken@1895
  1362
slouken@2119
  1363
    if (displayIndex >= _this->num_displays) {
slouken@2119
  1364
        return;
slouken@2119
  1365
    }
slouken@2119
  1366
    display = &_this->displays[displayIndex];
slouken@2119
  1367
slouken@1895
  1368
    render_drivers =
slouken@1895
  1369
        SDL_realloc(display->render_drivers,
slouken@1895
  1370
                    (display->num_render_drivers +
slouken@1895
  1371
                     1) * sizeof(*render_drivers));
slouken@1895
  1372
    if (render_drivers) {
slouken@1895
  1373
        render_drivers[display->num_render_drivers] = *driver;
slouken@1895
  1374
        display->render_drivers = render_drivers;
slouken@1895
  1375
        display->num_render_drivers++;
slouken@1895
  1376
    }
slouken@1895
  1377
}
slouken@1895
  1378
slouken@1895
  1379
int
slouken@1969
  1380
SDL_GetNumRenderDrivers(void)
slouken@1895
  1381
{
slouken@1895
  1382
    if (_this) {
slouken@1895
  1383
        return SDL_CurrentDisplay.num_render_drivers;
slouken@1895
  1384
    }
slouken@1895
  1385
    return 0;
slouken@1895
  1386
}
slouken@1895
  1387
slouken@1895
  1388
int
slouken@1969
  1389
SDL_GetRenderDriverInfo(int index, SDL_RendererInfo * info)
slouken@1895
  1390
{
slouken@1907
  1391
    if (!_this) {
slouken@1912
  1392
        SDL_UninitializedVideo();
slouken@1907
  1393
        return -1;
slouken@1907
  1394
    }
slouken@1907
  1395
slouken@1969
  1396
    if (index < 0 || index >= SDL_GetNumRenderDrivers()) {
slouken@1895
  1397
        SDL_SetError("index must be in the range of 0 - %d",
slouken@1969
  1398
                     SDL_GetNumRenderDrivers() - 1);
slouken@1895
  1399
        return -1;
slouken@1895
  1400
    }
slouken@1969
  1401
    *info = SDL_CurrentDisplay.render_drivers[index].info;
slouken@1895
  1402
    return 0;
slouken@1895
  1403
}
slouken@1895
  1404
slouken@1895
  1405
int
slouken@1895
  1406
SDL_CreateRenderer(SDL_WindowID windowID, int index, Uint32 flags)
slouken@1895
  1407
{
slouken@1895
  1408
    SDL_Window *window = SDL_GetWindowFromID(windowID);
slouken@1895
  1409
slouken@1895
  1410
    if (!window) {
slouken@1895
  1411
        return 0;
slouken@1895
  1412
    }
slouken@1895
  1413
slouken@1895
  1414
    if (index < 0) {
slouken@1905
  1415
        const char *override = SDL_getenv("SDL_VIDEO_RENDERER");
slouken@1969
  1416
        int n = SDL_GetNumRenderDrivers();
slouken@1895
  1417
        for (index = 0; index < n; ++index) {
slouken@1895
  1418
            SDL_RenderDriver *driver =
slouken@1895
  1419
                &SDL_CurrentDisplay.render_drivers[index];
slouken@1895
  1420
slouken@1905
  1421
            if (override) {
slouken@1905
  1422
                if (SDL_strcasecmp(override, driver->info.name) == 0) {
slouken@1905
  1423
                    break;
slouken@1905
  1424
                }
slouken@1905
  1425
            } else {
slouken@1905
  1426
                if ((driver->info.flags & flags) == flags) {
slouken@1905
  1427
                    break;
slouken@1905
  1428
                }
slouken@1895
  1429
            }
slouken@1895
  1430
        }
slouken@1895
  1431
        if (index == n) {
slouken@1895
  1432
            SDL_SetError("Couldn't find matching render driver");
slouken@1895
  1433
            return -1;
slouken@1895
  1434
        }
slouken@1895
  1435
    }
slouken@1895
  1436
slouken@1969
  1437
    if (index >= SDL_GetNumRenderDrivers()) {
slouken@1895
  1438
        SDL_SetError("index must be -1 or in the range of 0 - %d",
slouken@1969
  1439
                     SDL_GetNumRenderDrivers() - 1);
slouken@1895
  1440
        return -1;
slouken@1895
  1441
    }
slouken@1895
  1442
slouken@1895
  1443
    /* Free any existing renderer */
slouken@1895
  1444
    SDL_DestroyRenderer(windowID);
slouken@1895
  1445
slouken@1895
  1446
    /* Create a new renderer instance */
bob@2328
  1447
    window->renderer = SDL_CurrentDisplay.render_drivers[index]
bob@2328
  1448
        .CreateRenderer(window, flags);
slouken@1923
  1449
    SDL_SelectRenderer(window->id);
slouken@1895
  1450
slouken@1895
  1451
    return 0;
slouken@1895
  1452
}
slouken@1895
  1453
slouken@1895
  1454
int
slouken@1895
  1455
SDL_SelectRenderer(SDL_WindowID windowID)
slouken@1895
  1456
{
slouken@1895
  1457
    SDL_Window *window = SDL_GetWindowFromID(windowID);
slouken@1923
  1458
    SDL_Renderer *renderer;
slouken@1895
  1459
slouken@1895
  1460
    if (!window || !window->renderer) {
slouken@1895
  1461
        return -1;
slouken@1895
  1462
    }
slouken@1923
  1463
    renderer = window->renderer;
slouken@1923
  1464
    if (renderer && renderer->ActivateRenderer) {
slouken@1923
  1465
        if (renderer->ActivateRenderer(renderer) < 0) {
slouken@1923
  1466
            return -1;
slouken@1923
  1467
        }
slouken@1923
  1468
    }
slouken@1923
  1469
    SDL_CurrentDisplay.current_renderer = renderer;
slouken@1895
  1470
    return 0;
slouken@1895
  1471
}
slouken@1895
  1472
slouken@1969
  1473
int
slouken@1969
  1474
SDL_GetRendererInfo(SDL_RendererInfo * info)
slouken@1969
  1475
{
slouken@1969
  1476
    if (!_this) {
slouken@1969
  1477
        SDL_UninitializedVideo();
slouken@1969
  1478
        return -1;
slouken@1969
  1479
    }
slouken@1969
  1480
slouken@1969
  1481
    if (!SDL_CurrentDisplay.current_renderer) {
slouken@1969
  1482
        SDL_SetError("There is no current renderer");
slouken@1969
  1483
        return -1;
slouken@1969
  1484
    }
slouken@1969
  1485
    *info = SDL_CurrentDisplay.current_renderer->info;
slouken@1969
  1486
    return 0;
slouken@1969
  1487
}
slouken@1969
  1488
slouken@1895
  1489
SDL_TextureID
slouken@1895
  1490
SDL_CreateTexture(Uint32 format, int access, int w, int h)
slouken@1895
  1491
{
slouken@1895
  1492
    int hash;
slouken@1895
  1493
    SDL_Renderer *renderer;
slouken@1895
  1494
    SDL_Texture *texture;
slouken@1895
  1495
slouken@1895
  1496
    if (!_this) {
slouken@1912
  1497
        SDL_UninitializedVideo();
slouken@1895
  1498
        return 0;
slouken@1895
  1499
    }
slouken@1895
  1500
slouken@1895
  1501
    renderer = SDL_CurrentDisplay.current_renderer;
slouken@1895
  1502
    if (!renderer || !renderer->CreateTexture) {
slouken@1895
  1503
        return 0;
slouken@1895
  1504
    }
slouken@1895
  1505
slouken@1920
  1506
    texture = (SDL_Texture *) SDL_calloc(1, sizeof(*texture));
slouken@1895
  1507
    if (!texture) {
slouken@1895
  1508
        SDL_OutOfMemory();
slouken@1895
  1509
        return 0;
slouken@1895
  1510
    }
slouken@1895
  1511
slouken@1895
  1512
    texture->id = _this->next_object_id++;
slouken@1895
  1513
    texture->format = format;
slouken@1895
  1514
    texture->access = access;
slouken@1895
  1515
    texture->w = w;
slouken@1895
  1516
    texture->h = h;
slouken@1985
  1517
    texture->r = 255;
slouken@1985
  1518
    texture->g = 255;
slouken@1985
  1519
    texture->b = 255;
slouken@1985
  1520
    texture->a = 255;
slouken@1895
  1521
    texture->renderer = renderer;
slouken@1895
  1522
slouken@1895
  1523
    if (renderer->CreateTexture(renderer, texture) < 0) {
slouken@1924
  1524
        if (renderer->DestroyTexture) {
slouken@1924
  1525
            renderer->DestroyTexture(renderer, texture);
slouken@1924
  1526
        }
slouken@1895
  1527
        SDL_free(texture);
slouken@1895
  1528
        return 0;
slouken@1895
  1529
    }
slouken@1895
  1530
slouken@1895
  1531
    hash = (texture->id % SDL_arraysize(SDL_CurrentDisplay.textures));
slouken@1895
  1532
    texture->next = SDL_CurrentDisplay.textures[hash];
slouken@1895
  1533
    SDL_CurrentDisplay.textures[hash] = texture;
slouken@1895
  1534
slouken@1895
  1535
    return texture->id;
slouken@1895
  1536
}
slouken@1895
  1537
slouken@1895
  1538
SDL_TextureID
slouken@2222
  1539
SDL_CreateTextureFromSurface(Uint32 format, SDL_Surface * surface)
slouken@1895
  1540
{
slouken@1895
  1541
    SDL_TextureID textureID;
slouken@2266
  1542
    SDL_PixelFormat *fmt;
slouken@1895
  1543
    int bpp;
slouken@1895
  1544
    Uint32 Rmask, Gmask, Bmask, Amask;
slouken@1895
  1545
slouken@1895
  1546
    if (!surface) {
slouken@1895
  1547
        SDL_SetError("SDL_CreateTextureFromSurface() passed NULL surface");
slouken@1895
  1548
        return 0;
slouken@1895
  1549
    }
slouken@2266
  1550
    fmt = surface->format;
slouken@1895
  1551
slouken@1895
  1552
    if (format) {
slouken@1895
  1553
        if (!SDL_PixelFormatEnumToMasks
slouken@1895
  1554
            (format, &bpp, &Rmask, &Gmask, &Bmask, &Amask)) {
slouken@1895
  1555
            SDL_SetError("Unknown pixel format");
slouken@1895
  1556
            return 0;
slouken@1895
  1557
        }
slouken@1895
  1558
    } else {
slouken@2267
  1559
        if (surface->format->Amask
slouken@2267
  1560
            || !(surface->map->info.flags &
slouken@2267
  1561
                 (SDL_COPY_COLORKEY | SDL_COPY_MASK | SDL_COPY_BLEND))) {
slouken@1895
  1562
            bpp = fmt->BitsPerPixel;
slouken@1895
  1563
            Rmask = fmt->Rmask;
slouken@1895
  1564
            Gmask = fmt->Gmask;
slouken@1895
  1565
            Bmask = fmt->Bmask;
slouken@1895
  1566
            Amask = fmt->Amask;
slouken@1895
  1567
        } else {
slouken@1895
  1568
            /* Need a format with alpha */
slouken@1895
  1569
            bpp = 32;
slouken@1895
  1570
            Rmask = 0x00FF0000;
slouken@1895
  1571
            Gmask = 0x0000FF00;
slouken@1895
  1572
            Bmask = 0x000000FF;
slouken@1895
  1573
            Amask = 0xFF000000;
slouken@1895
  1574
        }
slouken@1895
  1575
        format = SDL_MasksToPixelFormatEnum(bpp, Rmask, Gmask, Bmask, Amask);
slouken@1895
  1576
        if (!format) {
slouken@1895
  1577
            SDL_SetError("Unknown pixel format");
slouken@1895
  1578
            return 0;
slouken@1895
  1579
        }
slouken@1895
  1580
    }
slouken@1895
  1581
slouken@2222
  1582
    textureID =
slouken@2222
  1583
        SDL_CreateTexture(format, SDL_TEXTUREACCESS_STATIC, surface->w,
slouken@2222
  1584
                          surface->h);
slouken@1895
  1585
    if (!textureID) {
slouken@1895
  1586
        return 0;
slouken@1895
  1587
    }
slouken@1895
  1588
slouken@2222
  1589
    if (bpp == fmt->BitsPerPixel && Rmask == fmt->Rmask && Gmask == fmt->Gmask
slouken@2222
  1590
        && Bmask == fmt->Bmask && Amask == fmt->Amask) {
slouken@2222
  1591
        if (SDL_MUSTLOCK(surface)) {
slouken@2222
  1592
            if (SDL_LockSurface(surface) < 0) {
slouken@2222
  1593
                SDL_DestroyTexture(textureID);
slouken@2222
  1594
                return 0;
slouken@2222
  1595
            }
slouken@2222
  1596
            SDL_UpdateTexture(textureID, NULL, surface->pixels,
slouken@2222
  1597
                              surface->pitch);
slouken@2222
  1598
            SDL_UnlockSurface(surface);
slouken@2222
  1599
        } else {
slouken@2222
  1600
            SDL_UpdateTexture(textureID, NULL, surface->pixels,
slouken@2222
  1601
                              surface->pitch);
slouken@2222
  1602
        }
slouken@1895
  1603
    } else {
slouken@2266
  1604
        SDL_PixelFormat *dst_fmt;
slouken@2266
  1605
        SDL_Surface *dst = NULL;
slouken@2222
  1606
slouken@2222
  1607
        /* Set up a destination surface for the texture update */
slouken@2266
  1608
        dst_fmt = SDL_AllocFormat(bpp, Rmask, Gmask, Bmask, Amask);
slouken@2266
  1609
        if (dst_fmt) {
slouken@2266
  1610
            if (SDL_ISPIXELFORMAT_INDEXED(format)) {
slouken@2267
  1611
                dst_fmt->palette =
slouken@2267
  1612
                    SDL_AllocPalette((1 << SDL_BITSPERPIXEL(format)));
slouken@2266
  1613
                if (dst_fmt->palette) {
slouken@2267
  1614
                    /* FIXME: Should we try to copy fmt->palette? */
slouken@2267
  1615
                    SDL_DitherColors(dst_fmt->palette->colors,
slouken@2267
  1616
                                     SDL_BITSPERPIXEL(format));
slouken@2266
  1617
                }
slouken@2266
  1618
            }
slouken@2266
  1619
slouken@2267
  1620
            dst = SDL_ConvertSurface(surface, dst_fmt, 0);
slouken@2267
  1621
            if (dst) {
slouken@2267
  1622
                SDL_UpdateTexture(textureID, NULL, dst->pixels, dst->pitch);
slouken@2267
  1623
                SDL_FreeSurface(dst);
slouken@2266
  1624
            }
slouken@2267
  1625
            if (dst_fmt->palette) {
slouken@2267
  1626
                SDL_FreePalette(dst_fmt->palette);
slouken@2267
  1627
            }
slouken@2267
  1628
            SDL_FreeFormat(dst_fmt);
slouken@2267
  1629
        }
slouken@2267
  1630
        if (!dst) {
slouken@2267
  1631
            SDL_DestroyTexture(textureID);
slouken@2267
  1632
            return 0;
slouken@2222
  1633
        }
slouken@2266
  1634
    }
slouken@1895
  1635
slouken@2266
  1636
    if (SDL_ISPIXELFORMAT_INDEXED(format) && fmt->palette) {
slouken@2267
  1637
        SDL_SetTexturePalette(textureID, fmt->palette->colors, 0,
slouken@2267
  1638
                              fmt->palette->ncolors);
slouken@1895
  1639
    }
slouken@1895
  1640
slouken@1895
  1641
    return textureID;
slouken@1895
  1642
}
slouken@1895
  1643
slouken@1895
  1644
static __inline__ SDL_Texture *
slouken@1895
  1645
SDL_GetTextureFromID(SDL_TextureID textureID)
slouken@1895
  1646
{
slouken@1895
  1647
    int hash;
slouken@1895
  1648
    SDL_Texture *texture;
slouken@1895
  1649
slouken@1895
  1650
    if (!_this) {
slouken@1895
  1651
        return NULL;
slouken@1895
  1652
    }
slouken@1895
  1653
slouken@1895
  1654
    hash = (textureID % SDL_arraysize(SDL_CurrentDisplay.textures));
slouken@1895
  1655
    for (texture = SDL_CurrentDisplay.textures[hash]; texture;
slouken@1895
  1656
         texture = texture->next) {
slouken@1895
  1657
        if (texture->id == textureID) {
slouken@1895
  1658
            return texture;
slouken@1895
  1659
        }
slouken@1895
  1660
    }
slouken@1895
  1661
    return NULL;
slouken@1895
  1662
}
slouken@1895
  1663
slouken@1895
  1664
int
slouken@1895
  1665
SDL_QueryTexture(SDL_TextureID textureID, Uint32 * format, int *access,
slouken@1895
  1666
                 int *w, int *h)
slouken@1895
  1667
{
slouken@1895
  1668
    SDL_Texture *texture = SDL_GetTextureFromID(textureID);
slouken@1895
  1669
slouken@1895
  1670
    if (!texture) {
slouken@1895
  1671
        return -1;
slouken@1895
  1672
    }
slouken@1895
  1673
slouken@1895
  1674
    if (format) {
slouken@1895
  1675
        *format = texture->format;
slouken@1895
  1676
    }
slouken@1895
  1677
    if (access) {
slouken@1895
  1678
        *access = texture->access;
slouken@1895
  1679
    }
slouken@1895
  1680
    if (w) {
slouken@1895
  1681
        *w = texture->w;
slouken@1895
  1682
    }
slouken@1895
  1683
    if (h) {
slouken@1895
  1684
        *h = texture->h;
slouken@1895
  1685
    }
slouken@1895
  1686
    return 0;
slouken@1895
  1687
}
slouken@1895
  1688
slouken@1895
  1689
int
slouken@1895
  1690
SDL_QueryTexturePixels(SDL_TextureID textureID, void **pixels, int *pitch)
slouken@1895
  1691
{
slouken@1895
  1692
    SDL_Texture *texture = SDL_GetTextureFromID(textureID);
slouken@1895
  1693
    SDL_Renderer *renderer;
slouken@1895
  1694
slouken@1895
  1695
    if (!texture) {
slouken@1895
  1696
        return -1;
slouken@1895
  1697
    }
slouken@1895
  1698
slouken@1895
  1699
    renderer = texture->renderer;
slouken@1895
  1700
    if (!renderer->QueryTexturePixels) {
slouken@1895
  1701
        return -1;
slouken@1895
  1702
    }
slouken@1895
  1703
    return renderer->QueryTexturePixels(renderer, texture, pixels, pitch);
slouken@1895
  1704
}
slouken@1895
  1705
slouken@1895
  1706
int
slouken@1895
  1707
SDL_SetTexturePalette(SDL_TextureID textureID, const SDL_Color * colors,
slouken@1895
  1708
                      int firstcolor, int ncolors)
slouken@1895
  1709
{
slouken@1895
  1710
    SDL_Texture *texture = SDL_GetTextureFromID(textureID);
slouken@1895
  1711
    SDL_Renderer *renderer;
slouken@1895
  1712
slouken@1895
  1713
    if (!texture) {
slouken@1895
  1714
        return -1;
slouken@1895
  1715
    }
slouken@1895
  1716
slouken@1895
  1717
    renderer = texture->renderer;
slouken@1895
  1718
    if (!renderer->SetTexturePalette) {
slouken@1895
  1719
        return -1;
slouken@1895
  1720
    }
slouken@1895
  1721
    return renderer->SetTexturePalette(renderer, texture, colors, firstcolor,
slouken@1895
  1722
                                       ncolors);
slouken@1895
  1723
}
slouken@1895
  1724
slouken@1895
  1725
int
slouken@1895
  1726
SDL_GetTexturePalette(SDL_TextureID textureID, SDL_Color * colors,
slouken@1895
  1727
                      int firstcolor, int ncolors)
slouken@1895
  1728
{
slouken@1895
  1729
    SDL_Texture *texture = SDL_GetTextureFromID(textureID);
slouken@1895
  1730
    SDL_Renderer *renderer;
slouken@1895
  1731
slouken@1895
  1732
    if (!texture) {
slouken@1895
  1733
        return -1;
slouken@1895
  1734
    }
slouken@1895
  1735
slouken@1895
  1736
    renderer = texture->renderer;
slouken@1895
  1737
    if (!renderer->GetTexturePalette) {
slouken@1895
  1738
        return -1;
slouken@1895
  1739
    }
slouken@1895
  1740
    return renderer->GetTexturePalette(renderer, texture, colors, firstcolor,
slouken@1895
  1741
                                       ncolors);
slouken@1895
  1742
}
slouken@1895
  1743
slouken@1895
  1744
int
slouken@1985
  1745
SDL_SetTextureColorMod(SDL_TextureID textureID, Uint8 r, Uint8 g, Uint8 b)
slouken@1985
  1746
{
slouken@1985
  1747
    SDL_Texture *texture = SDL_GetTextureFromID(textureID);
slouken@1985
  1748
    SDL_Renderer *renderer;
slouken@1985
  1749
slouken@1985
  1750
    if (!texture) {
slouken@1985
  1751
        return -1;
slouken@1985
  1752
    }
slouken@1985
  1753
slouken@1985
  1754
    renderer = texture->renderer;
slouken@1985
  1755
    if (!renderer->SetTextureColorMod) {
slouken@1985
  1756
        return -1;
slouken@1985
  1757
    }
icculus@2075
  1758
    if (r < 255 || g < 255 || b < 255) {
slouken@1985
  1759
        texture->modMode |= SDL_TEXTUREMODULATE_COLOR;
slouken@1985
  1760
    } else {
slouken@1985
  1761
        texture->modMode &= ~SDL_TEXTUREMODULATE_COLOR;
slouken@1985
  1762
    }
slouken@1985
  1763
    texture->r = r;
slouken@1985
  1764
    texture->g = g;
slouken@1985
  1765
    texture->b = b;
slouken@1985
  1766
    return renderer->SetTextureColorMod(renderer, texture);
slouken@1985
  1767
}
slouken@1985
  1768
slouken@1985
  1769
int
slouken@1985
  1770
SDL_GetTextureColorMod(SDL_TextureID textureID, Uint8 * r, Uint8 * g,
slouken@1985
  1771
                       Uint8 * b)
slouken@1985
  1772
{
slouken@1985
  1773
    SDL_Texture *texture = SDL_GetTextureFromID(textureID);
slouken@1985
  1774
    SDL_Renderer *renderer;
slouken@1985
  1775
slouken@1985
  1776
    if (!texture) {
slouken@1985
  1777
        return -1;
slouken@1985
  1778
    }
slouken@1985
  1779
slouken@1985
  1780
    renderer = texture->renderer;
slouken@1985
  1781
    if (r) {
slouken@1985
  1782
        *r = texture->r;
slouken@1985
  1783
    }
slouken@1985
  1784
    if (g) {
slouken@1985
  1785
        *g = texture->g;
slouken@1985
  1786
    }
slouken@1985
  1787
    if (b) {
slouken@1985
  1788
        *b = texture->b;
slouken@1985
  1789
    }
slouken@1985
  1790
    return 0;
slouken@1985
  1791
}
slouken@1985
  1792
slouken@1985
  1793
int
slouken@1985
  1794
SDL_SetTextureAlphaMod(SDL_TextureID textureID, Uint8 alpha)
slouken@1985
  1795
{
slouken@1985
  1796
    SDL_Texture *texture = SDL_GetTextureFromID(textureID);
slouken@1985
  1797
    SDL_Renderer *renderer;
slouken@1985
  1798
slouken@1985
  1799
    if (!texture) {
slouken@1985
  1800
        return -1;
slouken@1985
  1801
    }
slouken@1985
  1802
slouken@1985
  1803
    renderer = texture->renderer;
slouken@1985
  1804
    if (!renderer->SetTextureAlphaMod) {
slouken@1985
  1805
        return -1;
slouken@1985
  1806
    }
slouken@1985
  1807
    if (alpha < 255) {
slouken@1985
  1808
        texture->modMode |= SDL_TEXTUREMODULATE_ALPHA;
slouken@1985
  1809
    } else {
slouken@1985
  1810
        texture->modMode &= ~SDL_TEXTUREMODULATE_ALPHA;
slouken@1985
  1811
    }
slouken@1985
  1812
    texture->a = alpha;
slouken@1985
  1813
    return renderer->SetTextureAlphaMod(renderer, texture);
slouken@1985
  1814
}
slouken@1985
  1815
slouken@1985
  1816
int
slouken@1985
  1817
SDL_GetTextureAlphaMod(SDL_TextureID textureID, Uint8 * alpha)
slouken@1985
  1818
{
slouken@1985
  1819
    SDL_Texture *texture = SDL_GetTextureFromID(textureID);
slouken@1985
  1820
slouken@1985
  1821
    if (!texture) {
slouken@1985
  1822
        return -1;
slouken@1985
  1823
    }
slouken@1985
  1824
slouken@1985
  1825
    if (alpha) {
slouken@1985
  1826
        *alpha = texture->a;
slouken@1985
  1827
    }
slouken@1985
  1828
    return 0;
slouken@1985
  1829
}
slouken@1985
  1830
slouken@1985
  1831
int
slouken@1985
  1832
SDL_SetTextureBlendMode(SDL_TextureID textureID, int blendMode)
slouken@1985
  1833
{
slouken@1985
  1834
    SDL_Texture *texture = SDL_GetTextureFromID(textureID);
slouken@1985
  1835
    SDL_Renderer *renderer;
slouken@1985
  1836
slouken@1985
  1837
    if (!texture) {
slouken@1985
  1838
        return -1;
slouken@1985
  1839
    }
slouken@1985
  1840
slouken@1985
  1841
    renderer = texture->renderer;
slouken@1985
  1842
    if (!renderer->SetTextureBlendMode) {
slouken@1985
  1843
        return -1;
slouken@1985
  1844
    }
slouken@1985
  1845
    texture->blendMode = blendMode;
slouken@1985
  1846
    return renderer->SetTextureBlendMode(renderer, texture);
slouken@1985
  1847
}
slouken@1985
  1848
slouken@1985
  1849
int
slouken@1985
  1850
SDL_GetTextureBlendMode(SDL_TextureID textureID, int *blendMode)
slouken@1985
  1851
{
slouken@1985
  1852
    SDL_Texture *texture = SDL_GetTextureFromID(textureID);
slouken@1985
  1853
slouken@1985
  1854
    if (!texture) {
slouken@1985
  1855
        return -1;
slouken@1985
  1856
    }
slouken@1985
  1857
slouken@1985
  1858
    if (blendMode) {
slouken@1985
  1859
        *blendMode = texture->blendMode;
slouken@1985
  1860
    }
slouken@1985
  1861
    return 0;
slouken@1985
  1862
}
slouken@1985
  1863
slouken@1985
  1864
int
slouken@1985
  1865
SDL_SetTextureScaleMode(SDL_TextureID textureID, int scaleMode)
slouken@1985
  1866
{
slouken@1985
  1867
    SDL_Texture *texture = SDL_GetTextureFromID(textureID);
slouken@1985
  1868
    SDL_Renderer *renderer;
slouken@1985
  1869
slouken@1985
  1870
    if (!texture) {
slouken@1985
  1871
        return -1;
slouken@1985
  1872
    }
slouken@1985
  1873
slouken@1985
  1874
    renderer = texture->renderer;
slouken@1985
  1875
    if (!renderer->SetTextureScaleMode) {
slouken@1985
  1876
        return -1;
slouken@1985
  1877
    }
slouken@1985
  1878
    texture->scaleMode = scaleMode;
slouken@1985
  1879
    return renderer->SetTextureScaleMode(renderer, texture);
slouken@1985
  1880
}
slouken@1985
  1881
slouken@1985
  1882
int
slouken@1985
  1883
SDL_GetTextureScaleMode(SDL_TextureID textureID, int *scaleMode)
slouken@1985
  1884
{
slouken@1985
  1885
    SDL_Texture *texture = SDL_GetTextureFromID(textureID);
slouken@1985
  1886
slouken@1985
  1887
    if (!texture) {
slouken@1985
  1888
        return -1;
slouken@1985
  1889
    }
slouken@1985
  1890
slouken@1985
  1891
    if (scaleMode) {
slouken@1985
  1892
        *scaleMode = texture->scaleMode;
slouken@1985
  1893
    }
slouken@1985
  1894
    return 0;
slouken@1985
  1895
}
slouken@1985
  1896
slouken@1985
  1897
int
slouken@1895
  1898
SDL_UpdateTexture(SDL_TextureID textureID, const SDL_Rect * rect,
slouken@1895
  1899
                  const void *pixels, int pitch)
slouken@1895
  1900
{
slouken@1895
  1901
    SDL_Texture *texture = SDL_GetTextureFromID(textureID);
slouken@1895
  1902
    SDL_Renderer *renderer;
slouken@1895
  1903
    SDL_Rect full_rect;
slouken@1895
  1904
slouken@1895
  1905
    if (!texture) {
slouken@1895
  1906
        return -1;
slouken@1895
  1907
    }
slouken@1895
  1908
slouken@1895
  1909
    renderer = texture->renderer;
slouken@1895
  1910
    if (!renderer->UpdateTexture) {
slouken@1895
  1911
        return -1;
slouken@1895
  1912
    }
slouken@1895
  1913
slouken@1895
  1914
    if (!rect) {
slouken@1895
  1915
        full_rect.x = 0;
slouken@1895
  1916
        full_rect.y = 0;
slouken@1895
  1917
        full_rect.w = texture->w;
slouken@1895
  1918
        full_rect.h = texture->h;
slouken@1895
  1919
        rect = &full_rect;
slouken@1895
  1920
    }
slouken@1895
  1921
slouken@1895
  1922
    return renderer->UpdateTexture(renderer, texture, rect, pixels, pitch);
slouken@1895
  1923
}
slouken@1895
  1924
slouken@1895
  1925
int
slouken@1895
  1926
SDL_LockTexture(SDL_TextureID textureID, const SDL_Rect * rect, int markDirty,
slouken@1895
  1927
                void **pixels, int *pitch)
slouken@1895
  1928
{
slouken@1895
  1929
    SDL_Texture *texture = SDL_GetTextureFromID(textureID);
slouken@1895
  1930
    SDL_Renderer *renderer;
slouken@1895
  1931
    SDL_Rect full_rect;
slouken@1895
  1932
slouken@1895
  1933
    if (!texture) {
slouken@1895
  1934
        return -1;
slouken@1895
  1935
    }
slouken@2222
  1936
    if (texture->access != SDL_TEXTUREACCESS_STREAMING) {
slouken@2222
  1937
        SDL_SetError("SDL_LockTexture(): texture must be streaming");
slouken@2222
  1938
        return -1;
slouken@2222
  1939
    }
slouken@1895
  1940
slouken@1895
  1941
    renderer = texture->renderer;
slouken@1895
  1942
    if (!renderer->LockTexture) {
slouken@1895
  1943
        return -1;
slouken@1895
  1944
    }
slouken@1895
  1945
slouken@1895
  1946
    if (!rect) {
slouken@1895
  1947
        full_rect.x = 0;
slouken@1895
  1948
        full_rect.y = 0;
slouken@1895
  1949
        full_rect.w = texture->w;
slouken@1895
  1950
        full_rect.h = texture->h;
slouken@1895
  1951
        rect = &full_rect;
slouken@1895
  1952
    }
slouken@1895
  1953
slouken@1895
  1954
    return renderer->LockTexture(renderer, texture, rect, markDirty, pixels,
slouken@1895
  1955
                                 pitch);
slouken@1895
  1956
}
slouken@1895
  1957
slouken@1895
  1958
void
slouken@1895
  1959
SDL_UnlockTexture(SDL_TextureID textureID)
slouken@1895
  1960
{
slouken@1895
  1961
    SDL_Texture *texture = SDL_GetTextureFromID(textureID);
slouken@1895
  1962
    SDL_Renderer *renderer;
slouken@1895
  1963
slouken@1895
  1964
    if (!texture) {
slouken@1895
  1965
        return;
slouken@1895
  1966
    }
slouken@2222
  1967
    if (texture->access != SDL_TEXTUREACCESS_STREAMING) {
slouken@2222
  1968
        return;
slouken@2222
  1969
    }
slouken@1895
  1970
slouken@1895
  1971
    renderer = texture->renderer;
slouken@1895
  1972
    if (!renderer->UnlockTexture) {
slouken@1895
  1973
        return;
slouken@1895
  1974
    }
slouken@1895
  1975
    renderer->UnlockTexture(renderer, texture);
slouken@1895
  1976
}
slouken@1895
  1977
slouken@1895
  1978
void
slouken@1895
  1979
SDL_DirtyTexture(SDL_TextureID textureID, int numrects,
slouken@1895
  1980
                 const SDL_Rect * rects)
slouken@1895
  1981
{
slouken@1895
  1982
    SDL_Texture *texture = SDL_GetTextureFromID(textureID);
slouken@1895
  1983
    SDL_Renderer *renderer;
slouken@1895
  1984
slouken@1895
  1985
    if (!texture) {
slouken@1895
  1986
        return;
slouken@1895
  1987
    }
slouken@2222
  1988
    if (texture->access != SDL_TEXTUREACCESS_STREAMING) {
slouken@2222
  1989
        return;
slouken@2222
  1990
    }
slouken@1895
  1991
slouken@1895
  1992
    renderer = texture->renderer;
slouken@1895
  1993
    if (!renderer->DirtyTexture) {
slouken@1895
  1994
        return;
slouken@1895
  1995
    }
slouken@1895
  1996
    renderer->DirtyTexture(renderer, texture, numrects, rects);
slouken@1895
  1997
}
slouken@1895
  1998
slouken@1895
  1999
int
slouken@1985
  2000
SDL_RenderFill(Uint8 r, Uint8 g, Uint8 b, Uint8 a, const SDL_Rect * rect)
slouken@1895
  2001
{
slouken@1895
  2002
    SDL_Renderer *renderer;
slouken@1895
  2003
    SDL_Window *window;
slouken@1895
  2004
    SDL_Rect real_rect;
slouken@1895
  2005
slouken@1895
  2006
    if (!_this) {
slouken@1912
  2007
        SDL_UninitializedVideo();
slouken@1895
  2008
        return -1;
slouken@1895
  2009
    }
slouken@1895
  2010
slouken@1895
  2011
    renderer = SDL_CurrentDisplay.current_renderer;
slouken@1895
  2012
    if (!renderer || !renderer->RenderFill) {
slouken@1895
  2013
        return -1;
slouken@1895
  2014
    }
slouken@1895
  2015
slouken@1895
  2016
    window = SDL_GetWindowFromID(renderer->window);
slouken@1895
  2017
    real_rect.x = 0;
slouken@1895
  2018
    real_rect.y = 0;
slouken@1895
  2019
    real_rect.w = window->w;
slouken@1895
  2020
    real_rect.h = window->h;
slouken@1895
  2021
    if (rect) {
slouken@1895
  2022
        if (!SDL_IntersectRect(rect, &real_rect, &real_rect)) {
slouken@1895
  2023
            return 0;
slouken@1895
  2024
        }
slouken@1895
  2025
    }
slouken@1895
  2026
slouken@1985
  2027
    return renderer->RenderFill(renderer, r, g, b, a, &real_rect);
slouken@1895
  2028
}
slouken@1895
  2029
slouken@1895
  2030
int
slouken@1895
  2031
SDL_RenderCopy(SDL_TextureID textureID, const SDL_Rect * srcrect,
slouken@1985
  2032
               const SDL_Rect * dstrect)
slouken@1895
  2033
{
slouken@1895
  2034
    SDL_Texture *texture = SDL_GetTextureFromID(textureID);
slouken@1895
  2035
    SDL_Renderer *renderer;
slouken@1895
  2036
    SDL_Window *window;
slouken@1895
  2037
    SDL_Rect real_srcrect;
slouken@1895
  2038
    SDL_Rect real_dstrect;
slouken@1895
  2039
slouken@1895
  2040
    if (!texture || texture->renderer != SDL_CurrentDisplay.current_renderer) {
slouken@1895
  2041
        return -1;
slouken@1895
  2042
    }
slouken@1895
  2043
slouken@1895
  2044
    renderer = SDL_CurrentDisplay.current_renderer;
slouken@1895
  2045
    if (!renderer || !renderer->RenderCopy) {
slouken@1895
  2046
        return -1;
slouken@1895
  2047
    }
slouken@1895
  2048
slouken@1895
  2049
    window = SDL_GetWindowFromID(renderer->window);
slouken@1897
  2050
    if (srcrect) {
slouken@1897
  2051
        real_srcrect = *srcrect;
slouken@1897
  2052
    } else {
slouken@1897
  2053
        real_srcrect.x = 0;
slouken@1897
  2054
        real_srcrect.y = 0;
slouken@1897
  2055
        real_srcrect.w = texture->w;
slouken@1897
  2056
        real_srcrect.h = texture->h;
slouken@1895
  2057
    }
slouken@1897
  2058
    if (dstrect) {
slouken@1897
  2059
        real_dstrect = *dstrect;
slouken@1897
  2060
    } else {
slouken@1897
  2061
        real_dstrect.x = 0;
slouken@1897
  2062
        real_dstrect.y = 0;
slouken@1897
  2063
        real_dstrect.w = window->w;
slouken@1897
  2064
        real_dstrect.h = window->h;
slouken@1895
  2065
    }
slouken@1895
  2066
slouken@1897
  2067
    return renderer->RenderCopy(renderer, texture, &real_srcrect,
slouken@1985
  2068
                                &real_dstrect);
slouken@1895
  2069
}
slouken@1895
  2070
slouken@1895
  2071
void
slouken@1895
  2072
SDL_RenderPresent(void)
slouken@1895
  2073
{
slouken@1895
  2074
    SDL_Renderer *renderer;
slouken@1895
  2075
slouken@1895
  2076
    if (!_this) {
slouken@1912
  2077
        SDL_UninitializedVideo();
slouken@1895
  2078
        return;
slouken@1895
  2079
    }
slouken@1895
  2080
slouken@1895
  2081
    renderer = SDL_CurrentDisplay.current_renderer;
slouken@1895
  2082
    if (!renderer || !renderer->RenderPresent) {
slouken@1895
  2083
        return;
slouken@1895
  2084
    }
slouken@1895
  2085
    renderer->RenderPresent(renderer);
slouken@1895
  2086
}
slouken@1895
  2087
slouken@1895
  2088
void
slouken@1895
  2089
SDL_DestroyTexture(SDL_TextureID textureID)
slouken@1895
  2090
{
slouken@1895
  2091
    int hash;
slouken@1895
  2092
    SDL_Texture *prev, *texture;
slouken@1895
  2093
    SDL_Renderer *renderer;
slouken@1895
  2094
slouken@1895
  2095
    if (!_this) {
slouken@1912
  2096
        SDL_UninitializedVideo();
slouken@1895
  2097
        return;
slouken@1895
  2098
    }
slouken@1895
  2099
slouken@1895
  2100
    /* Look up the texture in the hash table */
slouken@1895
  2101
    hash = (textureID % SDL_arraysize(SDL_CurrentDisplay.textures));
slouken@1895
  2102
    prev = NULL;
slouken@1895
  2103
    for (texture = SDL_CurrentDisplay.textures[hash]; texture;
slouken@1895
  2104
         prev = texture, texture = texture->next) {
slouken@1895
  2105
        if (texture->id == textureID) {
slouken@1895
  2106
            break;
slouken@1895
  2107
        }
slouken@1895
  2108
    }
slouken@1895
  2109
    if (!texture) {
slouken@1895
  2110
        return;
slouken@1895
  2111
    }
slouken@1895
  2112
slouken@1895
  2113
    /* Unlink the texture from the list */
slouken@1895
  2114
    if (prev) {
slouken@1895
  2115
        prev->next = texture->next;
slouken@1895
  2116
    } else {
slouken@1895
  2117
        SDL_CurrentDisplay.textures[hash] = texture->next;
slouken@1895
  2118
    }
slouken@1895
  2119
slouken@1895
  2120
    /* Free the texture */
slouken@1895
  2121
    renderer = texture->renderer;
slouken@1895
  2122
    renderer->DestroyTexture(renderer, texture);
slouken@1895
  2123
    SDL_free(texture);
slouken@1895
  2124
}
slouken@1895
  2125
slouken@1895
  2126
void
slouken@1895
  2127
SDL_DestroyRenderer(SDL_WindowID windowID)
slouken@1895
  2128
{
slouken@1895
  2129
    SDL_Window *window = SDL_GetWindowFromID(windowID);
slouken@1895
  2130
    SDL_Renderer *renderer;
slouken@1895
  2131
    int i;
slouken@1895
  2132
slouken@1895
  2133
    if (!window) {
slouken@1895
  2134
        return;
slouken@1895
  2135
    }
slouken@1895
  2136
slouken@1895
  2137
    renderer = window->renderer;
slouken@1895
  2138
    if (!renderer) {
slouken@1895
  2139
        return;
slouken@1895
  2140
    }
slouken@1895
  2141
slouken@1895
  2142
    /* Free existing textures for this renderer */
slouken@1895
  2143
    for (i = 0; i < SDL_arraysize(SDL_CurrentDisplay.textures); ++i) {
slouken@1895
  2144
        SDL_Texture *texture;
slouken@1895
  2145
        SDL_Texture *prev = NULL;
slouken@1895
  2146
        SDL_Texture *next;
slouken@1895
  2147
        for (texture = SDL_CurrentDisplay.textures[i]; texture;
slouken@1895
  2148
             texture = next) {
slouken@1895
  2149
            next = texture->next;
slouken@1895
  2150
            if (texture->renderer == renderer) {
slouken@1895
  2151
                if (prev) {
slouken@1895
  2152
                    prev->next = next;
slouken@1895
  2153
                } else {
slouken@1895
  2154
                    SDL_CurrentDisplay.textures[i] = next;
slouken@1895
  2155
                }
slouken@1895
  2156
                renderer->DestroyTexture(renderer, texture);
slouken@1895
  2157
                SDL_free(texture);
slouken@1895
  2158
            } else {
slouken@1895
  2159
                prev = texture;
slouken@1895
  2160
            }
slouken@1895
  2161
        }
slouken@1895
  2162
    }
slouken@1895
  2163
slouken@1895
  2164
    /* Free the renderer instance */
slouken@1895
  2165
    renderer->DestroyRenderer(renderer);
slouken@1895
  2166
slouken@1895
  2167
    /* Clear references */
slouken@1895
  2168
    window->renderer = NULL;
slouken@1895
  2169
    if (SDL_CurrentDisplay.current_renderer == renderer) {
slouken@1895
  2170
        SDL_CurrentDisplay.current_renderer = NULL;
slouken@1895
  2171
    }
slouken@1895
  2172
}
slouken@1895
  2173
slouken@1895
  2174
void
slouken@1895
  2175
SDL_VideoQuit(void)
slouken@1895
  2176
{
slouken@1895
  2177
    int i, j;
slouken@1895
  2178
slouken@1895
  2179
    if (!_this) {
slouken@1895
  2180
        return;
slouken@1895
  2181
    }
slouken@1895
  2182
slouken@1895
  2183
    /* Halt event processing before doing anything else */
slouken@1895
  2184
    SDL_StopEventLoop();
slouken@1895
  2185
slouken@1895
  2186
    /* Clean up the system video */
slouken@1895
  2187
    for (i = _this->num_displays; i--;) {
slouken@1895
  2188
        SDL_VideoDisplay *display = &_this->displays[i];
slouken@1895
  2189
        for (j = display->num_windows; j--;) {
slouken@1895
  2190
            SDL_DestroyWindow(display->windows[i].id);
slouken@1895
  2191
        }
slouken@1895
  2192
        if (display->windows) {
slouken@1895
  2193
            SDL_free(display->windows);
slouken@1895
  2194
            display->windows = NULL;
slouken@1895
  2195
        }
slouken@1895
  2196
        display->num_windows = 0;
bob@2324
  2197
        if (display->render_drivers) {
bob@2324
  2198
            SDL_free(display->render_drivers);
bob@2324
  2199
            display->render_drivers = NULL;
bob@2324
  2200
        }
bob@2324
  2201
        display->num_render_drivers = 0;
slouken@1895
  2202
    }
slouken@1895
  2203
    _this->VideoQuit(_this);
slouken@1895
  2204
slouken@1895
  2205
    for (i = _this->num_displays; i--;) {
slouken@1895
  2206
        SDL_VideoDisplay *display = &_this->displays[i];
slouken@1895
  2207
        for (j = display->num_display_modes; j--;) {
slouken@1895
  2208
            if (display->display_modes[j].driverdata) {
slouken@1895
  2209
                SDL_free(display->display_modes[j].driverdata);
slouken@1895
  2210
                display->display_modes[j].driverdata = NULL;
slouken@1895
  2211
            }
slouken@1895
  2212
        }
slouken@1895
  2213
        if (display->display_modes) {
slouken@1895
  2214
            SDL_free(display->display_modes);
slouken@1895
  2215
            display->display_modes = NULL;
slouken@1895
  2216
        }
slouken@1895
  2217
        if (display->desktop_mode.driverdata) {
slouken@1895
  2218
            SDL_free(display->desktop_mode.driverdata);
slouken@1895
  2219
            display->desktop_mode.driverdata = NULL;
slouken@1895
  2220
        }
slouken@1895
  2221
        if (display->palette) {
slouken@1895
  2222
            SDL_FreePalette(display->palette);
slouken@1895
  2223
            display->palette = NULL;
slouken@1895
  2224
        }
slouken@1895
  2225
        if (display->gamma) {
slouken@1895
  2226
            SDL_free(display->gamma);
bob@2328
  2227
            display->gamma = NULL;
slouken@1895
  2228
        }
slouken@1895
  2229
        if (display->driverdata) {
slouken@1895
  2230
            SDL_free(display->driverdata);
bob@2328
  2231
            display->driverdata = NULL;
slouken@1895
  2232
        }
slouken@1895
  2233
    }
slouken@1895
  2234
    if (_this->displays) {
slouken@1895
  2235
        SDL_free(_this->displays);
slouken@1895
  2236
        _this->displays = NULL;
slouken@1895
  2237
    }
slouken@1895
  2238
    _this->free(_this);
slouken@1895
  2239
    _this = NULL;
slouken@0
  2240
}
slouken@0
  2241
slouken@1895
  2242
int
slouken@1895
  2243
SDL_GL_LoadLibrary(const char *path)
slouken@0
  2244
{
slouken@1895
  2245
    int retval;
slouken@0
  2246
slouken@1912
  2247
    if (!_this) {
slouken@1912
  2248
        SDL_UninitializedVideo();
slouken@1912
  2249
        return -1;
slouken@1912
  2250
    }
slouken@1912
  2251
slouken@1912
  2252
    if (_this->GL_LoadLibrary) {
slouken@1912
  2253
        retval = _this->GL_LoadLibrary(_this, path);
slouken@1895
  2254
    } else {
slouken@1912
  2255
        SDL_SetError("No dynamic GL support in video driver");
slouken@1912
  2256
        retval = -1;
slouken@1895
  2257
    }
slouken@1895
  2258
    return (retval);
slouken@0
  2259
}
slouken@0
  2260
slouken@1895
  2261
void *
slouken@1895
  2262
SDL_GL_GetProcAddress(const char *proc)
slouken@0
  2263
{
slouken@1895
  2264
    void *func;
slouken@0
  2265
slouken@1912
  2266
    if (!_this) {
slouken@1912
  2267
        SDL_UninitializedVideo();
slouken@1912
  2268
        return NULL;
slouken@1912
  2269
    }
slouken@1912
  2270
slouken@1895
  2271
    func = NULL;
slouken@1895
  2272
    if (_this->GL_GetProcAddress) {
slouken@1895
  2273
        if (_this->gl_config.driver_loaded) {
slouken@1895
  2274
            func = _this->GL_GetProcAddress(_this, proc);
slouken@1895
  2275
        } else {
slouken@1895
  2276
            SDL_SetError("No GL driver has been loaded");
slouken@1895
  2277
        }
slouken@1895
  2278
    } else {
slouken@1895
  2279
        SDL_SetError("No dynamic GL support in video driver");
slouken@1895
  2280
    }
slouken@1895
  2281
    return func;
slouken@0
  2282
}
slouken@0
  2283
slouken@1926
  2284
SDL_bool
slouken@1926
  2285
SDL_GL_ExtensionSupported(const char *extension)
slouken@1926
  2286
{
slouken@1926
  2287
#if SDL_VIDEO_OPENGL
slouken@1926
  2288
    const GLubyte *(APIENTRY * glGetStringFunc) (GLenum);
slouken@1926
  2289
    const char *extensions;
slouken@1926
  2290
    const char *start;
slouken@1926
  2291
    const char *where, *terminator;
slouken@1926
  2292
slouken@1926
  2293
    /* Extension names should not have spaces. */
slouken@1926
  2294
    where = SDL_strchr(extension, ' ');
slouken@1926
  2295
    if (where || *extension == '\0') {
slouken@1926
  2296
        return SDL_FALSE;
slouken@1926
  2297
    }
slouken@1926
  2298
slouken@1926
  2299
    /* See if there's an environment variable override */
slouken@1926
  2300
    start = SDL_getenv(extension);
slouken@1926
  2301
    if (start && *start == '0') {
slouken@1926
  2302
        return SDL_FALSE;
slouken@1926
  2303
    }
slouken@1926
  2304
slouken@1926
  2305
    /* Lookup the available extensions */
slouken@1926
  2306
    glGetStringFunc = SDL_GL_GetProcAddress("glGetString");
slouken@1926
  2307
    if (glGetStringFunc) {
slouken@1926
  2308
        extensions = (const char *) glGetStringFunc(GL_EXTENSIONS);
slouken@1926
  2309
    } else {
slouken@1926
  2310
        extensions = NULL;
slouken@1926
  2311
    }
slouken@1926
  2312
    if (!extensions) {
slouken@1926
  2313
        return SDL_FALSE;
slouken@1926
  2314
    }
slouken@1926
  2315
slouken@1926
  2316
    /* It takes a bit of care to be fool-proof about parsing the
slouken@1926
  2317
     * OpenGL extensions string. Don't be fooled by sub-strings,
slouken@1926
  2318
     * etc. */
slouken@1926
  2319
slouken@1926
  2320
    start = extensions;
slouken@1926
  2321
slouken@1926
  2322
    for (;;) {
slouken@1926
  2323
        where = SDL_strstr(start, extension);
slouken@1926
  2324
        if (!where)
slouken@1926
  2325
            break;
slouken@1926
  2326
slouken@1926
  2327
        terminator = where + SDL_strlen(extension);
slouken@1926
  2328
        if (where == start || *(where - 1) == ' ')
slouken@1926
  2329
            if (*terminator == ' ' || *terminator == '\0')
slouken@1926
  2330
                return SDL_TRUE;
slouken@1926
  2331
slouken@1926
  2332
        start = terminator;
slouken@1926
  2333
    }
slouken@1926
  2334
    return SDL_FALSE;
slouken@1926
  2335
#else
slouken@1926
  2336
    return SDL_FALSE;
slouken@1926
  2337
#endif
slouken@1926
  2338
}
slouken@1926
  2339
slouken@1895
  2340
int
slouken@1895
  2341
SDL_GL_SetAttribute(SDL_GLattr attr, int value)
slouken@0
  2342
{
slouken@1936
  2343
#if SDL_VIDEO_OPENGL
slouken@1895
  2344
    int retval;
slouken@0
  2345
slouken@1912
  2346
    if (!_this) {
slouken@1912
  2347
        SDL_UninitializedVideo();
slouken@1912
  2348
        return -1;
slouken@1912
  2349
    }
slouken@1912
  2350
slouken@1895
  2351
    retval = 0;
slouken@1895
  2352
    switch (attr) {
slouken@1895
  2353
    case SDL_GL_RED_SIZE:
slouken@1895
  2354
        _this->gl_config.red_size = value;
slouken@1895
  2355
        break;
slouken@1895
  2356
    case SDL_GL_GREEN_SIZE:
slouken@1895
  2357
        _this->gl_config.green_size = value;
slouken@1895
  2358
        break;
slouken@1895
  2359
    case SDL_GL_BLUE_SIZE:
slouken@1895
  2360
        _this->gl_config.blue_size = value;
slouken@1895
  2361
        break;
slouken@1895
  2362
    case SDL_GL_ALPHA_SIZE:
slouken@1895
  2363
        _this->gl_config.alpha_size = value;
slouken@1895
  2364
        break;
slouken@1895
  2365
    case SDL_GL_DOUBLEBUFFER:
slouken@1895
  2366
        _this->gl_config.double_buffer = value;
slouken@1895
  2367
        break;
slouken@1895
  2368
    case SDL_GL_BUFFER_SIZE:
slouken@1895
  2369
        _this->gl_config.buffer_size = value;
slouken@1895
  2370
        break;
slouken@1895
  2371
    case SDL_GL_DEPTH_SIZE:
slouken@1895
  2372
        _this->gl_config.depth_size = value;
slouken@1895
  2373
        break;
slouken@1895
  2374
    case SDL_GL_STENCIL_SIZE:
slouken@1895
  2375
        _this->gl_config.stencil_size = value;
slouken@1895
  2376
        break;
slouken@1895
  2377
    case SDL_GL_ACCUM_RED_SIZE:
slouken@1895
  2378
        _this->gl_config.accum_red_size = value;
slouken@1895
  2379
        break;
slouken@1895
  2380
    case SDL_GL_ACCUM_GREEN_SIZE:
slouken@1895
  2381
        _this->gl_config.accum_green_size = value;
slouken@1895
  2382
        break;
slouken@1895
  2383
    case SDL_GL_ACCUM_BLUE_SIZE:
slouken@1895
  2384
        _this->gl_config.accum_blue_size = value;
slouken@1895
  2385
        break;
slouken@1895
  2386
    case SDL_GL_ACCUM_ALPHA_SIZE:
slouken@1895
  2387
        _this->gl_config.accum_alpha_size = value;
slouken@1895
  2388
        break;
slouken@1895
  2389
    case SDL_GL_STEREO:
slouken@1895
  2390
        _this->gl_config.stereo = value;
slouken@1895
  2391
        break;
slouken@1895
  2392
    case SDL_GL_MULTISAMPLEBUFFERS:
slouken@1895
  2393
        _this->gl_config.multisamplebuffers = value;
slouken@1895
  2394
        break;
slouken@1895
  2395
    case SDL_GL_MULTISAMPLESAMPLES:
slouken@1895
  2396
        _this->gl_config.multisamplesamples = value;
slouken@1895
  2397
        break;
slouken@1895
  2398
    case SDL_GL_ACCELERATED_VISUAL:
slouken@1895
  2399
        _this->gl_config.accelerated = value;
slouken@1895
  2400
        break;
slouken@1895
  2401
    default:
slouken@1895
  2402
        SDL_SetError("Unknown OpenGL attribute");
slouken@1895
  2403
        retval = -1;
slouken@1895
  2404
        break;
slouken@1895
  2405
    }
slouken@1912
  2406
    return retval;
slouken@1936
  2407
#else
slouken@1936
  2408
    SDL_Unsupported();
slouken@1936
  2409
    return -1;
slouken@1936
  2410
#endif /* SDL_VIDEO_OPENGL */
slouken@0
  2411
}
slouken@0
  2412
slouken@1895
  2413
int
slouken@1936
  2414
SDL_GL_GetAttribute(SDL_GLattr attr, int *value)
slouken@0
  2415
{
slouken@1936
  2416
#if SDL_VIDEO_OPENGL
slouken@1936
  2417
    void (APIENTRY * glGetIntegervFunc) (GLenum pname, GLint * params);
slouken@1936
  2418
    GLenum attrib = 0;
slouken@1912
  2419
slouken@1936
  2420
    glGetIntegervFunc = SDL_GL_GetProcAddress("glGetIntegerv");
slouken@1936
  2421
    if (!glGetIntegervFunc) {
slouken@1936
  2422
        return -1;
slouken@1936
  2423
    }
slouken@1936
  2424
    switch (attr) {
slouken@1936
  2425
    case SDL_GL_RED_SIZE:
slouken@1936
  2426
        attrib = GL_RED_BITS;
slouken@1936
  2427
        break;
slouken@1936
  2428
    case SDL_GL_BLUE_SIZE:
slouken@1936
  2429
        attrib = GL_BLUE_BITS;
slouken@1936
  2430
        break;
slouken@1936
  2431
    case SDL_GL_GREEN_SIZE:
slouken@1936
  2432
        attrib = GL_GREEN_BITS;
slouken@1936
  2433
        break;
slouken@1936
  2434
    case SDL_GL_ALPHA_SIZE:
slouken@1936
  2435
        attrib = GL_ALPHA_BITS;
slouken@1936
  2436
        break;
slouken@1936
  2437
    case SDL_GL_DOUBLEBUFFER:
slouken@1936
  2438
        attrib = GL_DOUBLEBUFFER;
slouken@1936
  2439
        break;
slouken@1936
  2440
    case SDL_GL_DEPTH_SIZE:
slouken@1936
  2441
        attrib = GL_DEPTH_BITS;
slouken@1936
  2442
        break;
slouken@1936
  2443
    case SDL_GL_STENCIL_SIZE:
slouken@1936
  2444
        attrib = GL_STENCIL_BITS;
slouken@1936
  2445
        break;
slouken@1936
  2446
    case SDL_GL_ACCUM_RED_SIZE:
slouken@1936
  2447
        attrib = GL_ACCUM_RED_BITS;
slouken@1936
  2448
        break;
slouken@1936
  2449
    case SDL_GL_ACCUM_GREEN_SIZE:
slouken@1936
  2450
        attrib = GL_ACCUM_GREEN_BITS;
slouken@1936
  2451
        break;
slouken@1936
  2452
    case SDL_GL_ACCUM_BLUE_SIZE:
slouken@1936
  2453
        attrib = GL_ACCUM_BLUE_BITS;
slouken@1936
  2454
        break;
slouken@1936
  2455
    case SDL_GL_ACCUM_ALPHA_SIZE:
slouken@1936
  2456
        attrib = GL_ACCUM_ALPHA_BITS;
slouken@1936
  2457
        break;
slouken@1936
  2458
    case SDL_GL_STEREO:
slouken@1936
  2459
        attrib = GL_STEREO;
slouken@1936
  2460
        break;
slouken@1936
  2461
    case SDL_GL_MULTISAMPLEBUFFERS:
slouken@1936
  2462
        attrib = GL_SAMPLE_BUFFERS_ARB;
slouken@1936
  2463
        break;
slouken@1936
  2464
    case SDL_GL_MULTISAMPLESAMPLES:
slouken@1936
  2465
        attrib = GL_SAMPLES_ARB;
slouken@1936
  2466
        break;
slouken@1936
  2467
    case SDL_GL_BUFFER_SIZE:
slouken@1936
  2468
        {
slouken@1936
  2469
            GLint bits = 0;
slouken@1936
  2470
            GLint component;
slouken@1936
  2471
slouken@1936
  2472
            /* there doesn't seem to be a single flag in OpenGL for this! */
slouken@1938
  2473
            glGetIntegervFunc(GL_RED_BITS, &component);
slouken@1936
  2474
            bits += component;
slouken@1938
  2475
            glGetIntegervFunc(GL_GREEN_BITS, &component);
slouken@1936
  2476
            bits += component;
slouken@1938
  2477
            glGetIntegervFunc(GL_BLUE_BITS, &component);
slouken@1936
  2478
            bits += component;
slouken@1938
  2479
            glGetIntegervFunc(GL_ALPHA_BITS, &component);
slouken@1936
  2480
            bits += component;
slouken@1936
  2481
slouken@1936
  2482
            *value = bits;
slouken@1936
  2483
            return 0;
slouken@1936
  2484
        }
slouken@1936
  2485
    case SDL_GL_ACCELERATED_VISUAL:
slouken@1936
  2486
        {
slouken@1936
  2487
            /* FIXME: How do we get this information? */
slouken@1936
  2488
            *value = (_this->gl_config.accelerated != 0);
slouken@1936
  2489
            return 0;
slouken@1936
  2490
        }
slouken@1936
  2491
    default:
slouken@1936
  2492
        SDL_SetError("Unknown OpenGL attribute");
slouken@1912
  2493
        return -1;
slouken@1912
  2494
    }
slouken@0
  2495
slouken@1938
  2496
    glGetIntegervFunc(attrib, (GLint *) value);
slouken@1936
  2497
    return 0;
slouken@1936
  2498
#else
slouken@1936
  2499
    SDL_Unsupported();
slouken@1936
  2500
    return -1;
slouken@1936
  2501
#endif /* SDL_VIDEO_OPENGL */
slouken@0
  2502
}
slouken@0
  2503
slouken@1912
  2504
SDL_GLContext
slouken@1912
  2505
SDL_GL_CreateContext(SDL_WindowID windowID)
slouken@1912
  2506
{
slouken@1912
  2507
    SDL_Window *window = SDL_GetWindowFromID(windowID);
slouken@1912
  2508
slouken@1912
  2509
    if (!window) {
slouken@1912
  2510
        return NULL;
slouken@1912
  2511
    }
slouken@1912
  2512
    if (!(window->flags & SDL_WINDOW_OPENGL)) {
slouken@1912
  2513
        SDL_SetError("The specified window isn't an OpenGL window");
slouken@1912
  2514
        return NULL;
slouken@1912
  2515
    }
slouken@1912
  2516
    return _this->GL_CreateContext(_this, window);
slouken@1912
  2517
}
slouken@1912
  2518
slouken@1912
  2519
int
slouken@1912
  2520
SDL_GL_MakeCurrent(SDL_WindowID windowID, SDL_GLContext context)
slouken@1912
  2521
{
slouken@1912
  2522
    SDL_Window *window = SDL_GetWindowFromID(windowID);
slouken@1912
  2523
slouken@1913
  2524
    if (window && !(window->flags & SDL_WINDOW_OPENGL)) {
slouken@1912
  2525
        SDL_SetError("The specified window isn't an OpenGL window");
slouken@1912
  2526
        return -1;
slouken@1912
  2527
    }
slouken@1936
  2528
    if (!context) {
slouken@1936
  2529
        window = NULL;
slouken@1936
  2530
    }
slouken@1912
  2531
    return _this->GL_MakeCurrent(_this, window, context);
slouken@1912
  2532
}
slouken@1912
  2533
slouken@1912
  2534
int
slouken@1912
  2535
SDL_GL_SetSwapInterval(int interval)
slouken@1912
  2536
{
slouken@1912
  2537
    if (!_this) {
slouken@1912
  2538
        SDL_UninitializedVideo();
slouken@1912
  2539
        return -1;
slouken@1912
  2540
    }
slouken@1912
  2541
slouken@1912
  2542
    if (_this->GL_SetSwapInterval) {
slouken@1912
  2543
        return _this->GL_SetSwapInterval(_this, interval);
slouken@1912
  2544
    } else {
slouken@1912
  2545
        SDL_SetError("Setting the swap interval is not supported");
slouken@1912
  2546
        return -1;
slouken@1912
  2547
    }
slouken@1912
  2548
}
slouken@1912
  2549
slouken@1912
  2550
int
slouken@1912
  2551
SDL_GL_GetSwapInterval(void)
slouken@1912
  2552
{
slouken@1912
  2553
    if (!_this) {
slouken@1912
  2554
        SDL_UninitializedVideo();
slouken@1912
  2555
        return -1;
slouken@1912
  2556
    }
slouken@1912
  2557
slouken@1912
  2558
    if (_this->GL_GetSwapInterval) {
slouken@1912
  2559
        return _this->GL_GetSwapInterval(_this);
slouken@1912
  2560
    } else {
slouken@1912
  2561
        SDL_SetError("Getting the swap interval is not supported");
slouken@1912
  2562
        return -1;
slouken@1912
  2563
    }
slouken@1912
  2564
}
slouken@1912
  2565
slouken@1895
  2566
void
slouken@1912
  2567
SDL_GL_SwapWindow(SDL_WindowID windowID)
slouken@0
  2568
{
slouken@1912
  2569
    SDL_Window *window = SDL_GetWindowFromID(windowID);
slouken@1912
  2570
slouken@1912
  2571
    if (!window) {
slouken@1912
  2572
        return;
slouken@1912
  2573
    }
slouken@1912
  2574
    if (!(window->flags & SDL_WINDOW_OPENGL)) {
slouken@1912
  2575
        SDL_SetError("The specified window isn't an OpenGL window");
slouken@1912
  2576
        return;
slouken@1912
  2577
    }
slouken@1930
  2578
    _this->GL_SwapWindow(_this, window);
slouken@1912
  2579
}
slouken@1912
  2580
slouken@1912
  2581
void
slouken@1912
  2582
SDL_GL_DeleteContext(SDL_GLContext context)
slouken@1912
  2583
{
slouken@1912
  2584
    if (!_this || !context) {
slouken@1912
  2585
        return;
slouken@1912
  2586
    }
slouken@1936
  2587
    _this->GL_MakeCurrent(_this, NULL, NULL);
slouken@1912
  2588
    _this->GL_DeleteContext(_this, context);
slouken@0
  2589
}
slouken@0
  2590
slouken@1895
  2591
#if 0                           // FIXME
slouken@541
  2592
/* Utility function used by SDL_WM_SetIcon();
slouken@541
  2593
 * flags & 1 for color key, flags & 2 for alpha channel. */
slouken@1895
  2594
static void
slouken@1895
  2595
CreateMaskFromColorKeyOrAlpha(SDL_Surface * icon, Uint8 * mask, int flags)
slouken@0
  2596
{
slouken@1895
  2597
    int x, y;
slouken@1895
  2598
    Uint32 colorkey;
slouken@0
  2599
#define SET_MASKBIT(icon, x, y, mask) \
slouken@0
  2600
	mask[(y*((icon->w+7)/8))+(x/8)] &= ~(0x01<<(7-(x%8)))
slouken@0
  2601
slouken@1895
  2602
    colorkey = icon->format->colorkey;
slouken@1895
  2603
    switch (icon->format->BytesPerPixel) {
slouken@1895
  2604
    case 1:
slouken@1895
  2605
        {
slouken@1895
  2606
            Uint8 *pixels;
slouken@1895
  2607
            for (y = 0; y < icon->h; ++y) {
slouken@1895
  2608
                pixels = (Uint8 *) icon->pixels + y * icon->pitch;
slouken@1895
  2609
                for (x = 0; x < icon->w; ++x) {
slouken@1895
  2610
                    if (*pixels++ == colorkey) {
slouken@1895
  2611
                        SET_MASKBIT(icon, x, y, mask);
slouken@1895
  2612
                    }
slouken@1895
  2613
                }
slouken@1895
  2614
            }
slouken@1895
  2615
        }
slouken@1895
  2616
        break;
slouken@0
  2617
slouken@1895
  2618
    case 2:
slouken@1895
  2619
        {
slouken@1895
  2620
            Uint16 *pixels;
slouken@1895
  2621
            for (y = 0; y < icon->h; ++y) {
slouken@1895
  2622
                pixels = (Uint16 *) icon->pixels + y * icon->pitch / 2;
slouken@1895
  2623
                for (x = 0; x < icon->w; ++x) {
slouken@1895
  2624
                    if ((flags & 1) && *pixels == colorkey) {
slouken@1895
  2625
                        SET_MASKBIT(icon, x, y, mask);
slouken@1895
  2626
                    } else if ((flags & 2)
slouken@1895
  2627
                               && (*pixels & icon->format->Amask) == 0) {
slouken@1895
  2628
                        SET_MASKBIT(icon, x, y, mask);
slouken@1895
  2629
                    }
slouken@1895
  2630
                    pixels++;
slouken@1895
  2631
                }
slouken@1895
  2632
            }
slouken@1895
  2633
        }
slouken@1895
  2634
        break;
slouken@0
  2635
slouken@1895
  2636
    case 4:
slouken@1895
  2637
        {
slouken@1895
  2638
            Uint32 *pixels;
slouken@1895
  2639
            for (y = 0; y < icon->h; ++y) {
slouken@1895
  2640
                pixels = (Uint32 *) icon->pixels + y * icon->pitch / 4;
slouken@1895
  2641
                for (x = 0; x < icon->w; ++x) {
slouken@1895
  2642
                    if ((flags & 1) && *pixels == colorkey) {
slouken@1895
  2643
                        SET_MASKBIT(icon, x, y, mask);
slouken@1895
  2644
                    } else if ((flags & 2)
slouken@1895
  2645
                               && (*pixels & icon->format->Amask) == 0) {
slouken@1895
  2646
                        SET_MASKBIT(icon, x, y, mask);
slouken@1895
  2647
                    }
slouken@1895
  2648
                    pixels++;
slouken@1895
  2649
                }
slouken@1895
  2650
            }
slouken@1895
  2651
        }
slouken@1895
  2652
        break;
slouken@1895
  2653
    }
slouken@0
  2654
}
slouken@0
  2655
slouken@0
  2656
/*
slouken@0
  2657
 * Sets the window manager icon for the display window.
slouken@0
  2658
 */
slouken@1895
  2659
void
slouken@1895
  2660
SDL_WM_SetIcon(SDL_Surface * icon, Uint8 * mask)
slouken@0
  2661
{
slouken@1895
  2662
    if (icon && _this->SetIcon) {
slouken@1895
  2663
        /* Generate a mask if necessary, and create the icon! */
slouken@1895
  2664
        if (mask == NULL) {
slouken@1895
  2665
            int mask_len = icon->h * (icon->w + 7) / 8;
slouken@1895
  2666
            int flags = 0;
slouken@1895
  2667
            mask = (Uint8 *) SDL_malloc(mask_len);
slouken@1895
  2668
            if (mask == NULL) {
slouken@1895
  2669
                return;
slouken@1895
  2670
            }
slouken@1895
  2671
            SDL_memset(mask, ~0, mask_len);
slouken@1895
  2672
            if (icon->flags & SDL_SRCCOLORKEY)
slouken@1895
  2673
                flags |= 1;
slouken@1895
  2674
            if (icon->flags & SDL_SRCALPHA)