src/video/SDL_video.c
author Sam Lantinga <slouken@libsdl.org>
Sun, 16 Jul 2006 09:34:01 +0000
changeset 1912 8d384b647307
parent 1909 8f1ab2f7c722
child 1913 83420da906a5
permissions -rw-r--r--
Setting up the OpenGL support
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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_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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/* Available video drivers */
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static VideoBootStrap *bootstrap[] = {
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#if SDL_VIDEO_DRIVER_QUARTZ
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    &QZ_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_DGA
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    &DGA_bootstrap,
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#endif
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#if SDL_VIDEO_DRIVER_NANOX
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    &NX_bootstrap,
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#endif
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#if SDL_VIDEO_DRIVER_IPOD
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    &iPod_bootstrap,
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#endif
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#if SDL_VIDEO_DRIVER_QTOPIA
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    &Qtopia_bootstrap,
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#endif
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#if SDL_VIDEO_DRIVER_WSCONS
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    &WSCONS_bootstrap,
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#endif
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#if SDL_VIDEO_DRIVER_FBCON
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    &FBCON_bootstrap,
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#endif
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#if SDL_VIDEO_DRIVER_DIRECTFB
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    &DirectFB_bootstrap,
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#endif
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#if SDL_VIDEO_DRIVER_PS2GS
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    &PS2GS_bootstrap,
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#endif
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#if SDL_VIDEO_DRIVER_GGI
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    &GGI_bootstrap,
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#endif
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#if SDL_VIDEO_DRIVER_VGL
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    &VGL_bootstrap,
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#endif
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#if SDL_VIDEO_DRIVER_SVGALIB
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    &SVGALIB_bootstrap,
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#endif
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#if SDL_VIDEO_DRIVER_GAPI
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    &GAPI_bootstrap,
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#endif
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#if SDL_VIDEO_DRIVER_WIN32
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    &WIN32_bootstrap,
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#endif
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#if SDL_VIDEO_DRIVER_BWINDOW
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    &BWINDOW_bootstrap,
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#endif
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#if SDL_VIDEO_DRIVER_TOOLBOX
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    &TOOLBOX_bootstrap,
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#endif
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#if SDL_VIDEO_DRIVER_DRAWSPROCKET
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    &DSp_bootstrap,
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#endif
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#if SDL_VIDEO_DRIVER_CYBERGRAPHICS
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    &CGX_bootstrap,
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#endif
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#if SDL_VIDEO_DRIVER_PHOTON
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    &ph_bootstrap,
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#endif
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#if SDL_VIDEO_DRIVER_EPOC
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    &EPOC_bootstrap,
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#endif
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#if SDL_VIDEO_DRIVER_XBIOS
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    &XBIOS_bootstrap,
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#endif
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#if SDL_VIDEO_DRIVER_GEM
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    &GEM_bootstrap,
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#endif
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#if SDL_VIDEO_DRIVER_PICOGUI
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    &PG_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_AALIB
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    &AALIB_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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#if SDL_VIDEO_DRIVER_GLSDL
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    &glSDL_bootstrap,
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#endif
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    NULL
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};
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static SDL_VideoDevice *_this = NULL;
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/* Various local functions */
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int SDL_VideoInit(const char *driver_name, Uint32 flags);
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void SDL_VideoQuit(void);
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static int
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cmpmodes(const void *A, const void *B)
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{
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    SDL_DisplayMode a = *(const SDL_DisplayMode *) A;
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    SDL_DisplayMode b = *(const SDL_DisplayMode *) B;
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    if (a.w != b.w) {
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        return b.w - a.w;
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    }
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    if (a.h != b.h) {
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        return b.h - a.h;
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    }
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    if (SDL_BITSPERPIXEL(a.format) != SDL_BITSPERPIXEL(b.format)) {
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        return SDL_BITSPERPIXEL(b.format) - SDL_BITSPERPIXEL(a.format);
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    }
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    if (a.refresh_rate != b.refresh_rate) {
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        return b.refresh_rate - a.refresh_rate;
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    }
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    return 0;
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}
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static void
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SDL_UninitializedVideo()
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{
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    SDL_SetError("Video subsystem has not been initialized");
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}
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int
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SDL_GetNumVideoDrivers(void)
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{
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    return SDL_arraysize(bootstrap) - 1;
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}
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const char *
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SDL_GetVideoDriver(int index)
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{
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    if (index >= 0 && index < SDL_GetNumVideoDrivers()) {
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        return bootstrap[index]->name;
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    }
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    return NULL;
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}
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/*
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 * Initialize the video and event subsystems -- determine native pixel format
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 */
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int
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SDL_VideoInit(const char *driver_name, Uint32 flags)
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{
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    SDL_VideoDevice *video;
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    int index;
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    int i;
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    /* Toggle the event thread flags, based on OS requirements */
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#if defined(MUST_THREAD_EVENTS)
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    flags |= SDL_INIT_EVENTTHREAD;
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#elif defined(CANT_THREAD_EVENTS)
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    if ((flags & SDL_INIT_EVENTTHREAD) == SDL_INIT_EVENTTHREAD) {
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        SDL_SetError("OS doesn't support threaded events");
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        return -1;
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    }
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#endif
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    /* Start the event loop */
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    if (SDL_StartEventLoop(flags) < 0) {
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        return -1;
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    }
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    /* Check to make sure we don't overwrite '_this' */
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    if (_this != NULL) {
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        SDL_VideoQuit();
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    }
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    /* Select the proper video driver */
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    index = 0;
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    video = NULL;
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    if (driver_name == NULL) {
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        driver_name = SDL_getenv("SDL_VIDEODRIVER");
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    }
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    if (driver_name != NULL) {
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        for (i = 0; bootstrap[i]; ++i) {
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            if (SDL_strncmp(bootstrap[i]->name, driver_name,
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                            SDL_strlen(bootstrap[i]->name)) == 0) {
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                if (bootstrap[i]->available()) {
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                    video = bootstrap[i]->create(index);
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                }
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                break;
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            }
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        }
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    } else {
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        for (i = 0; bootstrap[i]; ++i) {
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            if (bootstrap[i]->available()) {
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                video = bootstrap[i]->create(index);
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                if (video != NULL) {
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                    break;
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                }
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            }
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        }
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    }
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    if (video == NULL) {
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        if (driver_name) {
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            SDL_SetError("%s not available", driver_name);
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        } else {
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            SDL_SetError("No available video device");
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        }
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        return -1;
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    }
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    _this = video;
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    _this->name = bootstrap[i]->name;
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    _this->next_object_id = 1;
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    /* Set some very sane GL defaults */
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    _this->gl_config.driver_loaded = 0;
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    _this->gl_config.dll_handle = NULL;
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    _this->gl_config.red_size = 3;
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    _this->gl_config.green_size = 3;
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    _this->gl_config.blue_size = 2;
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    _this->gl_config.alpha_size = 0;
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    _this->gl_config.buffer_size = 0;
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    _this->gl_config.depth_size = 16;
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    _this->gl_config.stencil_size = 0;
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    _this->gl_config.double_buffer = 1;
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    _this->gl_config.accum_red_size = 0;
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    _this->gl_config.accum_green_size = 0;
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    _this->gl_config.accum_blue_size = 0;
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    _this->gl_config.accum_alpha_size = 0;
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    _this->gl_config.stereo = 0;
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    _this->gl_config.multisamplebuffers = 0;
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    _this->gl_config.multisamplesamples = 0;
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    _this->gl_config.accelerated = -1;  /* not known, don't set */
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    /* Initialize the video subsystem */
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    if (_this->VideoInit(_this) < 0) {
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        SDL_VideoQuit();
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        return -1;
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    }
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    /* Make sure some displays were added */
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    if (_this->num_displays == 0) {
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        SDL_SetError("The video driver did not add any displays");
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        SDL_VideoQuit();
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        return (-1);
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    }
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    /* The software renderer is always available */
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    for (i = 0; i < _this->num_displays; ++i) {
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        if (_this->displays[i].num_render_drivers > 0) {
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            SDL_AddRenderDriver(i, &SDL_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) {
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        if (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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    }
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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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   387
            SDL_realloc(modes,
slouken@1895
   388
                        (display->max_display_modes + 32) * sizeof(*modes));
slouken@1895
   389
        if (!modes) {
slouken@1895
   390
            return SDL_FALSE;
slouken@1895
   391
        }
slouken@1895
   392
        display->display_modes = modes;
slouken@1895
   393
        display->max_display_modes += 32;
slouken@1895
   394
    }
slouken@1895
   395
    modes[nmodes] = *mode;
slouken@1895
   396
    display->num_display_modes++;
slouken@1895
   397
slouken@1895
   398
    return SDL_TRUE;
slouken@0
   399
}
slouken@0
   400
slouken@1895
   401
int
slouken@1895
   402
SDL_GetNumDisplayModes()
slouken@0
   403
{
slouken@1895
   404
    if (_this) {
slouken@1895
   405
        SDL_VideoDisplay *display = &SDL_CurrentDisplay;
slouken@1895
   406
        if (!display->num_display_modes && _this->GetDisplayModes) {
slouken@1895
   407
            _this->GetDisplayModes(_this);
slouken@1895
   408
            SDL_qsort(display->display_modes, display->num_display_modes,
slouken@1895
   409
                      sizeof(SDL_DisplayMode), cmpmodes);
slouken@1895
   410
        }
slouken@1895
   411
        return display->num_display_modes;
slouken@1895
   412
    }
slouken@1895
   413
    return 0;
slouken@0
   414
}
slouken@0
   415
slouken@1895
   416
const SDL_DisplayMode *
slouken@1895
   417
SDL_GetDisplayMode(int index)
slouken@0
   418
{
slouken@1895
   419
    if (index < 0 || index >= SDL_GetNumDisplayModes()) {
slouken@1895
   420
        SDL_SetError("index must be in the range of 0 - %d",
slouken@1895
   421
                     SDL_GetNumDisplayModes() - 1);
slouken@1895
   422
        return NULL;
slouken@1895
   423
    }
slouken@1895
   424
    return &SDL_CurrentDisplay.display_modes[index];
slouken@0
   425
}
slouken@0
   426
slouken@1895
   427
const SDL_DisplayMode *
slouken@1895
   428
SDL_GetDesktopDisplayMode(void)
slouken@0
   429
{
slouken@1895
   430
    if (_this) {
slouken@1895
   431
        return &SDL_CurrentDisplay.desktop_mode;
slouken@1895
   432
    }
slouken@1895
   433
    return NULL;
slouken@0
   434
}
slouken@0
   435
slouken@1895
   436
const SDL_DisplayMode *
slouken@1895
   437
SDL_GetCurrentDisplayMode(void)
slouken@0
   438
{
slouken@1895
   439
    if (_this) {
slouken@1895
   440
        return &SDL_CurrentDisplay.current_mode;
slouken@1895
   441
    }
slouken@1895
   442
    return NULL;
slouken@0
   443
}
slouken@0
   444
slouken@1895
   445
SDL_DisplayMode *
slouken@1895
   446
SDL_GetClosestDisplayMode(const SDL_DisplayMode * mode,
slouken@1895
   447
                          SDL_DisplayMode * closest)
slouken@0
   448
{
slouken@1895
   449
    Uint32 target_format;
slouken@1895
   450
    int target_refresh_rate;
slouken@1895
   451
    int i;
slouken@1895
   452
    SDL_DisplayMode *current, *match;
slouken@0
   453
slouken@1895
   454
    if (!_this || !mode || !closest) {
slouken@1895
   455
        return NULL;
slouken@1895
   456
    }
slouken@0
   457
slouken@1895
   458
    /* Default to the desktop format */
slouken@1895
   459
    if (mode->format) {
slouken@1895
   460
        target_format = mode->format;
slouken@1895
   461
    } else {
slouken@1895
   462
        target_format = SDL_CurrentDisplay.desktop_mode.format;
slouken@1895
   463
    }
slouken@0
   464
slouken@1895
   465
    /* Default to the desktop refresh rate */
slouken@1895
   466
    if (mode->refresh_rate) {
slouken@1895
   467
        target_refresh_rate = mode->refresh_rate;
slouken@1895
   468
    } else {
slouken@1895
   469
        target_refresh_rate = SDL_CurrentDisplay.desktop_mode.refresh_rate;
slouken@1895
   470
    }
slouken@0
   471
slouken@1895
   472
    match = NULL;
slouken@1895
   473
    for (i = 0; i < SDL_GetNumDisplayModes(); ++i) {
slouken@1895
   474
        current = &SDL_CurrentDisplay.display_modes[i];
slouken@1895
   475
slouken@1895
   476
        if ((current->w && current->h) &&
slouken@1895
   477
            (current->w < mode->w || current->h < mode->h)) {
slouken@1895
   478
            /* Out of sorted modes large enough here */
slouken@1895
   479
            break;
slouken@1895
   480
        }
slouken@1895
   481
        if (!match || current->w < match->w || current->h < match->h) {
slouken@1895
   482
            match = current;
slouken@1895
   483
            continue;
slouken@1895
   484
        }
slouken@1895
   485
        if (current->format != match->format) {
slouken@1895
   486
            /* Sorted highest depth to lowest */
slouken@1895
   487
            if (current->format == target_format ||
slouken@1895
   488
                (SDL_BITSPERPIXEL(current->format) >=
slouken@1895
   489
                 SDL_BITSPERPIXEL(target_format)
slouken@1895
   490
                 && SDL_PIXELTYPE(current->format) ==
slouken@1895
   491
                 SDL_PIXELTYPE(target_format))) {
slouken@1895
   492
                match = current;
slouken@1895
   493
            }
slouken@1895
   494
            continue;
slouken@1895
   495
        }
slouken@1895
   496
        if (current->refresh_rate != match->refresh_rate) {
slouken@1895
   497
            /* Sorted highest refresh to lowest */
slouken@1895
   498
            if (current->refresh_rate >= target_refresh_rate) {
slouken@1895
   499
                match = current;
slouken@1895
   500
            }
slouken@1895
   501
        }
slouken@1895
   502
    }
slouken@1895
   503
    if (match) {
slouken@1895
   504
        if (match->format) {
slouken@1895
   505
            closest->format = match->format;
slouken@1895
   506
        } else {
slouken@1895
   507
            closest->format = mode->format;
slouken@1895
   508
        }
slouken@1895
   509
        if (match->w && match->h) {
slouken@1895
   510
            closest->w = match->w;
slouken@1895
   511
            closest->h = match->h;
slouken@1895
   512
        } else {
slouken@1895
   513
            closest->w = mode->w;
slouken@1895
   514
            closest->h = mode->h;
slouken@1895
   515
        }
slouken@1895
   516
        if (match->refresh_rate) {
slouken@1895
   517
            closest->refresh_rate = match->refresh_rate;
slouken@1895
   518
        } else {
slouken@1895
   519
            closest->refresh_rate = mode->refresh_rate;
slouken@1895
   520
        }
slouken@1895
   521
        closest->driverdata = match->driverdata;
slouken@1895
   522
slouken@1895
   523
        /* Pick some reasonable defaults if the app and driver don't care */
slouken@1895
   524
        if (!closest->format) {
slouken@1895
   525
            closest->format = SDL_PixelFormat_RGB888;
slouken@1895
   526
        }
slouken@1895
   527
        if (!closest->w) {
slouken@1895
   528
            closest->w = 640;
slouken@1895
   529
        }
slouken@1895
   530
        if (!closest->h) {
slouken@1895
   531
            closest->h = 480;
slouken@1895
   532
        }
slouken@1895
   533
        return closest;
slouken@1895
   534
    }
slouken@1895
   535
    return NULL;
slouken@0
   536
}
slouken@0
   537
slouken@1895
   538
int
slouken@1895
   539
SDL_SetDisplayMode(const SDL_DisplayMode * mode)
slouken@0
   540
{
slouken@1895
   541
    SDL_VideoDisplay *display;
slouken@1895
   542
    SDL_DisplayMode display_mode;
slouken@1895
   543
    int i, ncolors;
slouken@0
   544
slouken@1895
   545
    if (!_this) {
slouken@1912
   546
        SDL_UninitializedVideo();
slouken@1895
   547
        return -1;
slouken@1895
   548
    }
slouken@0
   549
slouken@1895
   550
    if (!mode) {
slouken@1895
   551
        mode = SDL_GetDesktopDisplayMode();
slouken@1895
   552
    }
slouken@1895
   553
    display = &SDL_CurrentDisplay;
slouken@1895
   554
    display_mode = *mode;
slouken@1895
   555
slouken@1895
   556
    /* Default to the current mode */
slouken@1895
   557
    if (!display_mode.format) {
slouken@1895
   558
        display_mode.format = display->current_mode.format;
slouken@1895
   559
    }
slouken@1895
   560
    if (!display_mode.w) {
slouken@1895
   561
        display_mode.w = display->current_mode.w;
slouken@1895
   562
    }
slouken@1895
   563
    if (!display_mode.h) {
slouken@1895
   564
        display_mode.h = display->current_mode.h;
slouken@1895
   565
    }
slouken@1895
   566
    if (!display_mode.refresh_rate) {
slouken@1895
   567
        display_mode.refresh_rate = display->current_mode.refresh_rate;
slouken@1895
   568
    }
slouken@1895
   569
slouken@1895
   570
    /* Get a good video mode, the closest one possible */
slouken@1895
   571
    if (!SDL_GetClosestDisplayMode(&display_mode, &display_mode)) {
slouken@1895
   572
        SDL_SetError("No video mode large enough for %dx%d",
slouken@1895
   573
                     display_mode.w, display_mode.h);
slouken@1895
   574
        return -1;
slouken@1895
   575
    }
slouken@1895
   576
slouken@1895
   577
    /* See if there's anything left to do */
slouken@1895
   578
    if (SDL_memcmp
slouken@1895
   579
        (&display_mode, SDL_GetCurrentDisplayMode(),
slouken@1895
   580
         sizeof(display_mode)) == 0) {
slouken@1895
   581
        return 0;
slouken@1895
   582
    }
slouken@1895
   583
slouken@1895
   584
    /* Actually change the display mode */
slouken@1895
   585
    if (_this->SetDisplayMode(_this, &display_mode) < 0) {
slouken@1895
   586
        return -1;
slouken@1895
   587
    }
slouken@1895
   588
    display->current_mode = display_mode;
slouken@1895
   589
slouken@1895
   590
    /* Set up a palette, if necessary */
slouken@1895
   591
    if (SDL_ISPIXELFORMAT_INDEXED(display_mode.format)) {
slouken@1895
   592
        ncolors = (1 << SDL_BITSPERPIXEL(display_mode.format));
slouken@1895
   593
    } else {
slouken@1895
   594
        ncolors = 0;
slouken@1895
   595
    }
slouken@1895
   596
    if ((!ncolors && display->palette) || (ncolors && !display->palette)
slouken@1895
   597
        || (ncolors && ncolors != display->palette->ncolors)) {
slouken@1895
   598
        if (display->palette) {
slouken@1895
   599
            SDL_FreePalette(display->palette);
slouken@1895
   600
            display->palette = NULL;
slouken@1895
   601
        }
slouken@1895
   602
        if (ncolors) {
slouken@1895
   603
            display->palette = SDL_AllocPalette(ncolors);
slouken@1895
   604
            if (!display->palette) {
slouken@1895
   605
                return -1;
slouken@1895
   606
            }
slouken@1895
   607
            SDL_DitherColors(display->palette->colors,
slouken@1895
   608
                             SDL_BITSPERPIXEL(display_mode.format));
slouken@1895
   609
        }
slouken@1895
   610
    }
slouken@1895
   611
slouken@1895
   612
    /* Move any fullscreen windows into position */
slouken@1895
   613
    for (i = 0; i < display->num_windows; ++i) {
slouken@1895
   614
        SDL_Window *window = &display->windows[i];
slouken@1895
   615
        if (FULLSCREEN_VISIBLE(window)) {
slouken@1895
   616
            SDL_SetWindowPosition(window->id,
slouken@1895
   617
                                  ((display_mode.w - window->w) / 2),
slouken@1895
   618
                                  ((display_mode.h - window->h) / 2));
slouken@1895
   619
        }
slouken@1895
   620
    }
slouken@1895
   621
slouken@1895
   622
    return 0;
slouken@0
   623
}
slouken@0
   624
slouken@1895
   625
int
slouken@1895
   626
SDL_SetFullscreenDisplayMode(const SDL_DisplayMode * mode)
slouken@0
   627
{
slouken@1895
   628
    SDL_VideoDisplay *display;
slouken@1895
   629
    int i;
slouken@0
   630
slouken@1895
   631
    if (!_this) {
slouken@1912
   632
        SDL_UninitializedVideo();
slouken@1895
   633
        return -1;
slouken@1895
   634
    }
slouken@0
   635
slouken@1895
   636
    display = &SDL_CurrentDisplay;
slouken@1895
   637
    if (mode) {
slouken@1895
   638
        SDL_GetClosestDisplayMode(mode, &display->desired_mode);
slouken@1895
   639
        display->fullscreen_mode = &display->desired_mode;
slouken@1895
   640
    } else {
slouken@1895
   641
        display->fullscreen_mode = NULL;
slouken@1895
   642
    }
slouken@1895
   643
slouken@1895
   644
    /* Actually set the mode if we have a fullscreen window visible */
slouken@1895
   645
    for (i = 0; i < display->num_windows; ++i) {
slouken@1895
   646
        SDL_Window *window = &display->windows[i];
slouken@1895
   647
        if (FULLSCREEN_VISIBLE(window)) {
slouken@1895
   648
            return SDL_SetDisplayMode(display->fullscreen_mode);
slouken@1895
   649
        }
slouken@1895
   650
    }
slouken@1895
   651
    return 0;
slouken@0
   652
}
slouken@0
   653
slouken@1895
   654
const SDL_DisplayMode *
slouken@1895
   655
SDL_GetFullscreenDisplayMode(void)
slouken@0
   656
{
slouken@1895
   657
    if (_this) {
slouken@1895
   658
        return SDL_CurrentDisplay.fullscreen_mode;
slouken@1895
   659
    }
slouken@1895
   660
    return NULL;
slouken@0
   661
}
slouken@0
   662
slouken@1895
   663
int
slouken@1895
   664
SDL_SetDisplayPalette(const SDL_Color * colors, int firstcolor, int ncolors)
slouken@0
   665
{
slouken@1895
   666
    SDL_Palette *palette;
slouken@1895
   667
    int status = 0;
slouken@0
   668
slouken@1895
   669
    if (!_this) {
slouken@1912
   670
        SDL_UninitializedVideo();
slouken@1895
   671
        return -1;
slouken@1895
   672
    }
slouken@1895
   673
    palette = SDL_CurrentDisplay.palette;
slouken@1895
   674
    if (!palette) {
slouken@1895
   675
        SDL_SetError("Display mode does not have a palette");
slouken@1895
   676
        return -1;
slouken@1895
   677
    }
slouken@0
   678
slouken@1895
   679
    status = SDL_SetPaletteColors(palette, colors, firstcolor, ncolors);
slouken@0
   680
slouken@1895
   681
    if (_this->SetDisplayPalette) {
slouken@1895
   682
        if (_this->SetDisplayPalette(_this, palette) < 0) {
slouken@1895
   683
            status = -1;
slouken@1895
   684
        }
slouken@1895
   685
    }
slouken@1895
   686
    return status;
slouken@0
   687
}
slouken@0
   688
slouken@1895
   689
int
slouken@1895
   690
SDL_GetDisplayPalette(SDL_Color * colors, int firstcolor, int ncolors)
slouken@0
   691
{
slouken@1895
   692
    SDL_Palette *palette;
slouken@1895
   693
slouken@1895
   694
    if (!_this) {
slouken@1912
   695
        SDL_UninitializedVideo();
slouken@1895
   696
        return -1;
slouken@1895
   697
    }
slouken@1895
   698
slouken@1895
   699
    palette = SDL_CurrentDisplay.palette;
slouken@1895
   700
    if (!palette->ncolors) {
slouken@1895
   701
        SDL_SetError("Display mode does not have a palette");
slouken@1895
   702
        return -1;
slouken@1895
   703
    }
slouken@1895
   704
slouken@1895
   705
    if (firstcolor < 0 || (firstcolor + ncolors) > palette->ncolors) {
slouken@1895
   706
        SDL_SetError("Palette indices are out of range");
slouken@1895
   707
        return -1;
slouken@1895
   708
    }
slouken@1895
   709
slouken@1895
   710
    SDL_memcpy(colors, &palette->colors[firstcolor],
slouken@1895
   711
               ncolors * sizeof(*colors));
slouken@1895
   712
    return 0;
slouken@0
   713
}
slouken@0
   714
slouken@1895
   715
SDL_WindowID
slouken@1895
   716
SDL_CreateWindow(const char *title, int x, int y, int w, int h, Uint32 flags)
slouken@0
   717
{
slouken@1895
   718
    const Uint32 allowed_flags = (SDL_WINDOW_FULLSCREEN |
slouken@1895
   719
                                  SDL_WINDOW_OPENGL |
slouken@1895
   720
                                  SDL_WINDOW_SHOWN |
slouken@1895
   721
                                  SDL_WINDOW_BORDERLESS |
slouken@1895
   722
                                  SDL_WINDOW_RESIZABLE |
slouken@1895
   723
                                  SDL_WINDOW_MAXIMIZED |
slouken@1895
   724
                                  SDL_WINDOW_MINIMIZED |
slouken@1895
   725
                                  SDL_WINDOW_INPUT_GRABBED);
slouken@1895
   726
    SDL_VideoDisplay *display;
slouken@1895
   727
    SDL_Window window;
slouken@1895
   728
    int num_windows;
slouken@1895
   729
    SDL_Window *windows;
slouken@0
   730
slouken@1895
   731
    if (!_this) {
slouken@1912
   732
        SDL_UninitializedVideo();
slouken@1912
   733
        return 0;
slouken@1912
   734
    }
slouken@1912
   735
slouken@1912
   736
    if ((flags & SDL_WINDOW_OPENGL) && !_this->GL_CreateContext) {
slouken@1912
   737
        SDL_SetError("No OpenGL support in video driver");
slouken@1895
   738
        return 0;
slouken@1895
   739
    }
slouken@0
   740
slouken@1895
   741
    SDL_zero(window);
slouken@1895
   742
    window.id = _this->next_object_id++;
slouken@1895
   743
    window.title = title ? SDL_strdup(title) : NULL;
slouken@1895
   744
    window.x = x;
slouken@1895
   745
    window.y = y;
slouken@1895
   746
    window.w = w;
slouken@1895
   747
    window.h = h;
slouken@1895
   748
    window.flags = (flags & allowed_flags);
slouken@1895
   749
    window.display = _this->current_display;
slouken@0
   750
slouken@1895
   751
    if (_this->CreateWindow && _this->CreateWindow(_this, &window) < 0) {
slouken@1895
   752
        if (window.title) {
slouken@1895
   753
            SDL_free(window.title);
slouken@1895
   754
        }
slouken@1895
   755
        return 0;
slouken@1895
   756
    }
slouken@0
   757
slouken@1895
   758
    display = &SDL_CurrentDisplay;
slouken@1895
   759
    num_windows = display->num_windows;
slouken@1895
   760
    windows =
slouken@1895
   761
        SDL_realloc(display->windows, (num_windows + 1) * sizeof(*windows));
slouken@1895
   762
    if (!windows) {
slouken@1895
   763
        if (_this->DestroyWindow) {
slouken@1895
   764
            _this->DestroyWindow(_this, &window);
slouken@1895
   765
        }
slouken@1895
   766
        if (window.title) {
slouken@1895
   767
            SDL_free(window.title);
slouken@1895
   768
        }
slouken@1895
   769
        return 0;
slouken@1895
   770
    }
slouken@1895
   771
    windows[num_windows] = window;
slouken@1895
   772
    display->windows = windows;
slouken@1895
   773
    display->num_windows++;
slouken@0
   774
slouken@1895
   775
    if (FULLSCREEN_VISIBLE(&window)) {
slouken@1895
   776
        /* Hide any other fullscreen windows */
slouken@1895
   777
        int i;
slouken@1895
   778
        for (i = 0; i < display->num_windows; ++i) {
slouken@1895
   779
            SDL_Window *other = &display->windows[i];
slouken@1895
   780
            if (other->id != window.id && FULLSCREEN_VISIBLE(other)) {
slouken@1895
   781
                SDL_MinimizeWindow(other->id);
slouken@1895
   782
            }
slouken@1895
   783
        }
slouken@1895
   784
        SDL_SetDisplayMode(display->fullscreen_mode);
slouken@1895
   785
    }
slouken@0
   786
slouken@1895
   787
    return window.id;
slouken@1895
   788
}
slouken@0
   789
slouken@1895
   790
SDL_WindowID
slouken@1895
   791
SDL_CreateWindowFrom(const void *data)
slouken@1895
   792
{
slouken@1895
   793
    SDL_VideoDisplay *display;
slouken@1895
   794
    SDL_Window window;
slouken@1895
   795
    int num_windows;
slouken@1895
   796
    SDL_Window *windows;
slouken@0
   797
slouken@1895
   798
    if (!_this) {
slouken@1912
   799
        SDL_UninitializedVideo();
slouken@1895
   800
        return (0);
slouken@1895
   801
    }
slouken@1895
   802
slouken@1895
   803
    SDL_zero(window);
slouken@1895
   804
    window.id = _this->next_object_id++;
slouken@1895
   805
    window.display = _this->current_display;
slouken@1895
   806
slouken@1895
   807
    if (!_this->CreateWindowFrom ||
slouken@1895
   808
        _this->CreateWindowFrom(_this, &window, data) < 0) {
slouken@1895
   809
        return 0;
slouken@1895
   810
    }
slouken@1895
   811
slouken@1895
   812
    display = &SDL_CurrentDisplay;
slouken@1895
   813
    num_windows = display->num_windows;
slouken@1895
   814
    windows =
slouken@1895
   815
        SDL_realloc(display->windows, (num_windows + 1) * sizeof(*windows));
slouken@1895
   816
    if (!windows) {
slouken@1895
   817
        if (_this->DestroyWindow) {
slouken@1895
   818
            _this->DestroyWindow(_this, &window);
slouken@1895
   819
        }
slouken@1895
   820
        if (window.title) {
slouken@1895
   821
            SDL_free(window.title);
slouken@1895
   822
        }
slouken@1895
   823
        return 0;
slouken@1895
   824
    }
slouken@1895
   825
    windows[num_windows] = window;
slouken@1895
   826
    display->windows = windows;
slouken@1895
   827
    display->num_windows++;
slouken@1895
   828
slouken@1895
   829
    return window.id;
slouken@1895
   830
}
slouken@1895
   831
slouken@1895
   832
SDL_Window *
slouken@1895
   833
SDL_GetWindowFromID(SDL_WindowID windowID)
slouken@1895
   834
{
slouken@1895
   835
    int i, j;
slouken@1895
   836
slouken@1895
   837
    if (!_this) {
slouken@1912
   838
        SDL_UninitializedVideo();
slouken@1895
   839
        return NULL;
slouken@1895
   840
    }
slouken@1895
   841
slouken@1895
   842
    for (i = 0; i < _this->num_displays; ++i) {
slouken@1895
   843
        SDL_VideoDisplay *display = &_this->displays[i];
slouken@1895
   844
        for (j = 0; j < display->num_windows; ++j) {
slouken@1895
   845
            SDL_Window *window = &display->windows[j];
slouken@1895
   846
            if (window->id == windowID) {
slouken@1895
   847
                return window;
slouken@1895
   848
            }
slouken@1895
   849
        }
slouken@1895
   850
    }
slouken@1895
   851
    return NULL;
slouken@1895
   852
}
slouken@1895
   853
slouken@1895
   854
SDL_VideoDisplay *
slouken@1895
   855
SDL_GetDisplayFromWindow(SDL_Window * window)
slouken@1895
   856
{
slouken@1895
   857
    if (!_this) {
slouken@1912
   858
        SDL_UninitializedVideo();
slouken@1895
   859
        return NULL;
slouken@1895
   860
    }
slouken@1895
   861
    return &_this->displays[window->display];
slouken@1895
   862
}
slouken@1895
   863
slouken@1895
   864
Uint32
slouken@1895
   865
SDL_GetWindowFlags(SDL_WindowID windowID)
slouken@1895
   866
{
slouken@1895
   867
    SDL_Window *window = SDL_GetWindowFromID(windowID);
slouken@1895
   868
slouken@1895
   869
    if (!window) {
slouken@1895
   870
        return 0;
slouken@1895
   871
    }
slouken@1895
   872
    return window->flags;
slouken@1895
   873
}
slouken@1895
   874
slouken@1895
   875
void
slouken@1895
   876
SDL_SetWindowTitle(SDL_WindowID windowID, const char *title)
slouken@1895
   877
{
slouken@1895
   878
    SDL_Window *window = SDL_GetWindowFromID(windowID);
slouken@1895
   879
slouken@1895
   880
    if (!window) {
slouken@1895
   881
        return;
slouken@1895
   882
    }
slouken@1895
   883
    if (window->title) {
slouken@1895
   884
        SDL_free(window->title);
slouken@1895
   885
    }
slouken@1895
   886
    window->title = SDL_strdup(title);
slouken@1895
   887
slouken@1895
   888
    if (_this->SetWindowTitle) {
slouken@1895
   889
        _this->SetWindowTitle(_this, window);
slouken@1895
   890
    }
slouken@1895
   891
}
slouken@1895
   892
slouken@1895
   893
const char *
slouken@1895
   894
SDL_GetWindowTitle(SDL_WindowID windowID)
slouken@1895
   895
{
slouken@1895
   896
    SDL_Window *window = SDL_GetWindowFromID(windowID);
slouken@1895
   897
slouken@1895
   898
    if (!window) {
slouken@1895
   899
        return NULL;
slouken@1895
   900
    }
slouken@1895
   901
    return window->title;
slouken@1895
   902
}
slouken@1895
   903
slouken@1895
   904
void
slouken@1895
   905
SDL_SetWindowData(SDL_WindowID windowID, void *userdata)
slouken@1895
   906
{
slouken@1895
   907
    SDL_Window *window = SDL_GetWindowFromID(windowID);
slouken@1895
   908
slouken@1895
   909
    if (!window) {
slouken@1895
   910
        return;
slouken@1895
   911
    }
slouken@1895
   912
    window->userdata = userdata;
slouken@1895
   913
}
slouken@1895
   914
slouken@1895
   915
void *
slouken@1895
   916
SDL_GetWindowData(SDL_WindowID windowID)
slouken@1895
   917
{
slouken@1895
   918
    SDL_Window *window = SDL_GetWindowFromID(windowID);
slouken@1895
   919
slouken@1895
   920
    if (!window) {
slouken@1895
   921
        return NULL;
slouken@1895
   922
    }
slouken@1895
   923
    return window->userdata;
slouken@1895
   924
}
slouken@1895
   925
slouken@1895
   926
void
slouken@1895
   927
SDL_SetWindowPosition(SDL_WindowID windowID, int x, int y)
slouken@1895
   928
{
slouken@1895
   929
    SDL_Window *window = SDL_GetWindowFromID(windowID);
slouken@1895
   930
slouken@1895
   931
    if (!window) {
slouken@1895
   932
        return;
slouken@1895
   933
    }
slouken@1895
   934
slouken@1895
   935
    if (x != SDL_WINDOWPOS_UNDEFINED) {
slouken@1895
   936
        window->x = x;
slouken@1895
   937
    }
slouken@1895
   938
    if (y != SDL_WINDOWPOS_UNDEFINED) {
slouken@1895
   939
        window->y = y;
slouken@1895
   940
    }
slouken@1895
   941
slouken@1895
   942
    if (_this->SetWindowPosition) {
slouken@1895
   943
        _this->SetWindowPosition(_this, window);
slouken@1895
   944
    }
slouken@1895
   945
}
slouken@1895
   946
slouken@1895
   947
void
slouken@1895
   948
SDL_GetWindowPosition(SDL_WindowID windowID, int *x, int *y)
slouken@1895
   949
{
slouken@1895
   950
    SDL_Window *window = SDL_GetWindowFromID(windowID);
slouken@1895
   951
slouken@1895
   952
    if (!window) {
slouken@1895
   953
        return;
slouken@1895
   954
    }
slouken@1895
   955
    if (x) {
slouken@1895
   956
        *x = window->x;
slouken@1895
   957
    }
slouken@1895
   958
    if (y) {
slouken@1895
   959
        *y = window->y;
slouken@1895
   960
    }
slouken@1895
   961
}
slouken@1895
   962
slouken@1895
   963
void
slouken@1895
   964
SDL_SetWindowSize(SDL_WindowID windowID, int w, int h)
slouken@1895
   965
{
slouken@1895
   966
    SDL_Window *window = SDL_GetWindowFromID(windowID);
slouken@1895
   967
slouken@1895
   968
    if (!window) {
slouken@1895
   969
        return;
slouken@1895
   970
    }
slouken@1895
   971
slouken@1895
   972
    window->w = w;
slouken@1895
   973
    window->h = h;
slouken@1895
   974
slouken@1895
   975
    if (_this->SetWindowSize) {
slouken@1895
   976
        _this->SetWindowSize(_this, window);
slouken@1895
   977
    }
slouken@1895
   978
}
slouken@1895
   979
slouken@1895
   980
void
slouken@1895
   981
SDL_GetWindowSize(SDL_WindowID windowID, int *w, int *h)
slouken@1895
   982
{
slouken@1895
   983
    SDL_Window *window = SDL_GetWindowFromID(windowID);
slouken@1895
   984
slouken@1895
   985
    if (!window) {
slouken@1895
   986
        return;
slouken@1895
   987
    }
slouken@1895
   988
    if (w) {
slouken@1895
   989
        *w = window->w;
slouken@1895
   990
    }
slouken@1895
   991
    if (h) {
slouken@1895
   992
        *h = window->h;
slouken@1895
   993
    }
slouken@1895
   994
}
slouken@1895
   995
slouken@1895
   996
void
slouken@1895
   997
SDL_ShowWindow(SDL_WindowID windowID)
slouken@1895
   998
{
slouken@1895
   999
    SDL_Window *window = SDL_GetWindowFromID(windowID);
slouken@1895
  1000
slouken@1895
  1001
    if (!window || (window->flags & SDL_WINDOW_SHOWN)) {
slouken@1895
  1002
        return;
slouken@1895
  1003
    }
slouken@1895
  1004
slouken@1895
  1005
    SDL_SendWindowEvent(window->id, SDL_WINDOWEVENT_SHOWN, 0, 0);
slouken@1895
  1006
slouken@1895
  1007
    if (_this->ShowWindow) {
slouken@1895
  1008
        _this->ShowWindow(_this, window);
slouken@1895
  1009
    }
slouken@1895
  1010
}
slouken@1895
  1011
slouken@1895
  1012
void
slouken@1895
  1013
SDL_HideWindow(SDL_WindowID windowID)
slouken@1895
  1014
{
slouken@1895
  1015
    SDL_Window *window = SDL_GetWindowFromID(windowID);
slouken@1895
  1016
slouken@1895
  1017
    if (!window || !(window->flags & SDL_WINDOW_SHOWN)) {
slouken@1895
  1018
        return;
slouken@1895
  1019
    }
slouken@1895
  1020
slouken@1895
  1021
    SDL_SendWindowEvent(window->id, SDL_WINDOWEVENT_HIDDEN, 0, 0);
slouken@1895
  1022
slouken@1895
  1023
    if (_this->HideWindow) {
slouken@1895
  1024
        _this->HideWindow(_this, window);
slouken@1895
  1025
    }
slouken@1895
  1026
}
slouken@1895
  1027
slouken@1895
  1028
void
slouken@1895
  1029
SDL_RaiseWindow(SDL_WindowID windowID)
slouken@1895
  1030
{
slouken@1895
  1031
    SDL_Window *window = SDL_GetWindowFromID(windowID);
slouken@1895
  1032
slouken@1895
  1033
    if (!window) {
slouken@1895
  1034
        return;
slouken@1895
  1035
    }
slouken@1895
  1036
slouken@1895
  1037
    if (_this->RaiseWindow) {
slouken@1895
  1038
        _this->RaiseWindow(_this, window);
slouken@1895
  1039
    }
slouken@1895
  1040
}
slouken@1895
  1041
slouken@1895
  1042
void
slouken@1895
  1043
SDL_MaximizeWindow(SDL_WindowID windowID)
slouken@1895
  1044
{
slouken@1895
  1045
    SDL_Window *window = SDL_GetWindowFromID(windowID);
slouken@1895
  1046
slouken@1895
  1047
    if (!window || (window->flags & SDL_WINDOW_MAXIMIZED)) {
slouken@1895
  1048
        return;
slouken@1895
  1049
    }
slouken@1895
  1050
slouken@1895
  1051
    SDL_SendWindowEvent(window->id, SDL_WINDOWEVENT_MAXIMIZED, 0, 0);
slouken@1895
  1052
slouken@1895
  1053
    if (_this->MaximizeWindow) {
slouken@1895
  1054
        _this->MaximizeWindow(_this, window);
slouken@1895
  1055
    }
slouken@1895
  1056
}
slouken@1895
  1057
slouken@1895
  1058
void
slouken@1895
  1059
SDL_MinimizeWindow(SDL_WindowID windowID)
slouken@1895
  1060
{
slouken@1895
  1061
    SDL_Window *window = SDL_GetWindowFromID(windowID);
slouken@1895
  1062
slouken@1895
  1063
    if (!window || (window->flags & SDL_WINDOW_MINIMIZED)) {
slouken@1895
  1064
        return;
slouken@1895
  1065
    }
slouken@1895
  1066
slouken@1895
  1067
    SDL_SendWindowEvent(window->id, SDL_WINDOWEVENT_MINIMIZED, 0, 0);
slouken@1895
  1068
slouken@1895
  1069
    if (_this->MinimizeWindow) {
slouken@1895
  1070
        _this->MinimizeWindow(_this, window);
slouken@1895
  1071
    }
slouken@1895
  1072
}
slouken@1895
  1073
slouken@1895
  1074
void
slouken@1895
  1075
SDL_RestoreWindow(SDL_WindowID windowID)
slouken@1895
  1076
{
slouken@1895
  1077
    SDL_Window *window = SDL_GetWindowFromID(windowID);
slouken@1895
  1078
slouken@1895
  1079
    if (!window
slouken@1895
  1080
        || (window->flags & (SDL_WINDOW_MAXIMIZED | SDL_WINDOW_MINIMIZED))) {
slouken@1895
  1081
        return;
slouken@1895
  1082
    }
slouken@1895
  1083
slouken@1895
  1084
    SDL_SendWindowEvent(window->id, SDL_WINDOWEVENT_RESTORED, 0, 0);
slouken@1895
  1085
slouken@1895
  1086
    if (_this->RestoreWindow) {
slouken@1895
  1087
        _this->RestoreWindow(_this, window);
slouken@1895
  1088
    }
slouken@1895
  1089
}
slouken@1895
  1090
slouken@1895
  1091
int
slouken@1895
  1092
SDL_SetWindowFullscreen(SDL_WindowID windowID, int fullscreen)
slouken@1895
  1093
{
slouken@1895
  1094
    SDL_Window *window = SDL_GetWindowFromID(windowID);
slouken@1895
  1095
slouken@1895
  1096
    if (!window) {
slouken@1895
  1097
        return -1;
slouken@1895
  1098
    }
slouken@1895
  1099
slouken@1895
  1100
    if (fullscreen) {
slouken@1895
  1101
        fullscreen = SDL_WINDOW_FULLSCREEN;
slouken@1895
  1102
    }
slouken@1895
  1103
    if ((window->flags & SDL_WINDOW_FULLSCREEN) == fullscreen) {
slouken@1895
  1104
        return 0;
slouken@1895
  1105
    }
slouken@1895
  1106
slouken@1895
  1107
    if (fullscreen) {
slouken@1895
  1108
        window->flags |= SDL_WINDOW_FULLSCREEN;
slouken@1895
  1109
slouken@1895
  1110
        if (FULLSCREEN_VISIBLE(window)) {
slouken@1895
  1111
            SDL_VideoDisplay *display = SDL_GetDisplayFromWindow(window);
slouken@1895
  1112
slouken@1895
  1113
            /* Hide any other fullscreen windows */
slouken@1895
  1114
            int i;
slouken@1895
  1115
            for (i = 0; i < display->num_windows; ++i) {
slouken@1895
  1116
                SDL_Window *other = &display->windows[i];
slouken@1895
  1117
                if (other->id != windowID && FULLSCREEN_VISIBLE(other)) {
slouken@1895
  1118
                    SDL_MinimizeWindow(other->id);
slouken@1895
  1119
                }
slouken@1895
  1120
            }
slouken@1895
  1121
slouken@1895
  1122
            SDL_SetDisplayMode(display->fullscreen_mode);
slouken@1895
  1123
        }
slouken@1895
  1124
    } else {
slouken@1895
  1125
        window->flags &= ~SDL_WINDOW_FULLSCREEN;
slouken@1895
  1126
slouken@1895
  1127
        if (FULLSCREEN_VISIBLE(window)) {
slouken@1895
  1128
            SDL_SetDisplayMode(NULL);
slouken@1895
  1129
        }
slouken@1895
  1130
    }
slouken@1895
  1131
    return 0;
slouken@1895
  1132
}
slouken@1895
  1133
slouken@1895
  1134
void
slouken@1895
  1135
SDL_SetWindowGrab(SDL_WindowID windowID, int mode)
slouken@1895
  1136
{
slouken@1895
  1137
    SDL_Window *window = SDL_GetWindowFromID(windowID);
slouken@1895
  1138
slouken@1895
  1139
    if (!window || (!!mode == !!(window->flags & SDL_WINDOW_INPUT_GRABBED))) {
slouken@1895
  1140
        return;
slouken@1895
  1141
    }
slouken@1895
  1142
slouken@1895
  1143
    if (mode) {
slouken@1895
  1144
        window->flags |= SDL_WINDOW_INPUT_GRABBED;
slouken@1895
  1145
    } else {
slouken@1895
  1146
        window->flags &= ~SDL_WINDOW_INPUT_GRABBED;
slouken@1895
  1147
    }
slouken@1895
  1148
slouken@1895
  1149
    if ((window->flags & SDL_WINDOW_INPUT_FOCUS) && _this->SetWindowGrab) {
slouken@1895
  1150
        _this->SetWindowGrab(_this, window);
slouken@1895
  1151
    }
slouken@1895
  1152
}
slouken@1895
  1153
slouken@1895
  1154
int
slouken@1895
  1155
SDL_GetWindowGrab(SDL_WindowID windowID)
slouken@1895
  1156
{
slouken@1895
  1157
    SDL_Window *window = SDL_GetWindowFromID(windowID);
slouken@1895
  1158
slouken@1895
  1159
    if (!window) {
slouken@1895
  1160
        return 0;
slouken@1895
  1161
    }
slouken@1895
  1162
slouken@1895
  1163
    return ((window->flags & SDL_WINDOW_INPUT_GRABBED) != 0);
slouken@1895
  1164
}
slouken@1895
  1165
slouken@1895
  1166
void
slouken@1895
  1167
SDL_OnWindowShown(SDL_Window * window)
slouken@1895
  1168
{
slouken@1895
  1169
}
slouken@1895
  1170
slouken@1895
  1171
void
slouken@1895
  1172
SDL_OnWindowHidden(SDL_Window * window)
slouken@1895
  1173
{
slouken@1895
  1174
}
slouken@1895
  1175
slouken@1895
  1176
void
slouken@1895
  1177
SDL_OnWindowFocusGained(SDL_Window * window)
slouken@1895
  1178
{
slouken@1895
  1179
    SDL_VideoDisplay *display = SDL_GetDisplayFromWindow(window);
slouken@1895
  1180
slouken@1895
  1181
    if (window->flags & SDL_WINDOW_FULLSCREEN) {
slouken@1895
  1182
        SDL_SetDisplayMode(display->fullscreen_mode);
slouken@1895
  1183
    }
slouken@1895
  1184
    if (display->gamma && _this->SetDisplayGammaRamp) {
slouken@1895
  1185
        _this->SetDisplayGammaRamp(_this, display->gamma);
slouken@1895
  1186
    }
slouken@1895
  1187
    if ((window->flags & SDL_WINDOW_INPUT_GRABBED) && _this->SetWindowGrab) {
slouken@1895
  1188
        _this->SetWindowGrab(_this, window);
slouken@1895
  1189
    }
slouken@1895
  1190
}
slouken@1895
  1191
slouken@1895
  1192
void
slouken@1895
  1193
SDL_OnWindowFocusLost(SDL_Window * window)
slouken@1895
  1194
{
slouken@1895
  1195
    SDL_VideoDisplay *display = SDL_GetDisplayFromWindow(window);
slouken@1895
  1196
slouken@1895
  1197
    if (window->flags & SDL_WINDOW_FULLSCREEN) {
slouken@1895
  1198
        SDL_MinimizeWindow(window->id);
slouken@1895
  1199
        SDL_SetDisplayMode(NULL);
slouken@1895
  1200
    }
slouken@1895
  1201
    if (display->gamma && _this->SetDisplayGammaRamp) {
slouken@1895
  1202
        _this->SetDisplayGammaRamp(_this, display->saved_gamma);
slouken@1895
  1203
    }
slouken@1895
  1204
    if ((window->flags & SDL_WINDOW_INPUT_GRABBED) && _this->SetWindowGrab) {
slouken@1895
  1205
        _this->SetWindowGrab(_this, window);
slouken@1895
  1206
    }
slouken@1895
  1207
}
slouken@1895
  1208
slouken@1895
  1209
SDL_WindowID
slouken@1895
  1210
SDL_GetFocusWindow(void)
slouken@1895
  1211
{
slouken@1895
  1212
    SDL_VideoDisplay *display;
slouken@1895
  1213
    int i;
slouken@1895
  1214
slouken@1895
  1215
    if (!_this) {
slouken@1895
  1216
        return 0;
slouken@1895
  1217
    }
slouken@1895
  1218
slouken@1895
  1219
    display = &SDL_CurrentDisplay;
slouken@1895
  1220
    for (i = 0; i < display->num_windows; ++i) {
slouken@1895
  1221
        SDL_Window *window = &display->windows[i];
slouken@1895
  1222
slouken@1895
  1223
        if (window->flags & SDL_WINDOW_INPUT_FOCUS) {
slouken@1895
  1224
            return window->id;
slouken@1895
  1225
        }
slouken@1895
  1226
    }
slouken@1895
  1227
    return 0;
slouken@1895
  1228
}
slouken@1895
  1229
slouken@1895
  1230
void
slouken@1895
  1231
SDL_DestroyWindow(SDL_WindowID windowID)
slouken@1895
  1232
{
slouken@1895
  1233
    int i, j;
slouken@1895
  1234
slouken@1895
  1235
    if (!_this) {
slouken@1895
  1236
        return;
slouken@1895
  1237
    }
slouken@1895
  1238
slouken@1895
  1239
    /* Restore video mode, etc. */
slouken@1895
  1240
    SDL_SendWindowEvent(windowID, SDL_WINDOWEVENT_FOCUS_LOST, 0, 0);
slouken@1895
  1241
slouken@1895
  1242
    for (i = 0; i < _this->num_displays; ++i) {
slouken@1895
  1243
        SDL_VideoDisplay *display = &_this->displays[i];
slouken@1895
  1244
        for (j = 0; j < display->num_windows; ++j) {
slouken@1895
  1245
            SDL_Window *window = &display->windows[j];
slouken@1895
  1246
            if (window->id != windowID) {
slouken@1895
  1247
                continue;
slouken@1895
  1248
            }
slouken@1895
  1249
            if (window->renderer) {
slouken@1895
  1250
                SDL_DestroyRenderer(window->id);
slouken@1895
  1251
            }
slouken@1895
  1252
            if (_this->DestroyWindow) {
slouken@1895
  1253
                _this->DestroyWindow(_this, window);
slouken@1895
  1254
            }
slouken@1895
  1255
            if (window->title) {
slouken@1895
  1256
                SDL_free(window->title);
slouken@1895
  1257
            }
slouken@1895
  1258
            if (j != display->num_windows - 1) {
slouken@1895
  1259
                SDL_memcpy(&display->windows[i],
slouken@1895
  1260
                           &display->windows[i + 1],
slouken@1895
  1261
                           (display->num_windows - i - 1) * sizeof(*window));
slouken@1895
  1262
            }
slouken@1895
  1263
            --display->num_windows;
slouken@1895
  1264
            return;
slouken@1895
  1265
        }
slouken@1895
  1266
    }
slouken@1895
  1267
}
slouken@1895
  1268
slouken@1895
  1269
void
slouken@1895
  1270
SDL_AddRenderDriver(int displayIndex, const SDL_RenderDriver * driver)
slouken@1895
  1271
{
slouken@1895
  1272
    SDL_VideoDisplay *display = &_this->displays[displayIndex];
slouken@1895
  1273
    SDL_RenderDriver *render_drivers;
slouken@1895
  1274
slouken@1895
  1275
    render_drivers =
slouken@1895
  1276
        SDL_realloc(display->render_drivers,
slouken@1895
  1277
                    (display->num_render_drivers +
slouken@1895
  1278
                     1) * sizeof(*render_drivers));
slouken@1895
  1279
    if (render_drivers) {
slouken@1895
  1280
        render_drivers[display->num_render_drivers] = *driver;
slouken@1895
  1281
        display->render_drivers = render_drivers;
slouken@1895
  1282
        display->num_render_drivers++;
slouken@1895
  1283
    }
slouken@1895
  1284
}
slouken@1895
  1285
slouken@1895
  1286
int
slouken@1895
  1287
SDL_GetNumRenderers(void)
slouken@1895
  1288
{
slouken@1895
  1289
    if (_this) {
slouken@1895
  1290
        return SDL_CurrentDisplay.num_render_drivers;
slouken@1895
  1291
    }
slouken@1895
  1292
    return 0;
slouken@1895
  1293
}
slouken@1895
  1294
slouken@1895
  1295
int
slouken@1895
  1296
SDL_GetRendererInfo(int index, SDL_RendererInfo * info)
slouken@1895
  1297
{
slouken@1907
  1298
    if (!_this) {
slouken@1912
  1299
        SDL_UninitializedVideo();
slouken@1907
  1300
        return -1;
slouken@1907
  1301
    }
slouken@1907
  1302
slouken@1907
  1303
    if (index >= SDL_GetNumRenderers()) {
slouken@1895
  1304
        SDL_SetError("index must be in the range of 0 - %d",
slouken@1895
  1305
                     SDL_GetNumRenderers() - 1);
slouken@1895
  1306
        return -1;
slouken@1895
  1307
    }
slouken@1907
  1308
    if (index < 0) {
slouken@1907
  1309
        if (!SDL_CurrentDisplay.current_renderer) {
slouken@1907
  1310
            SDL_SetError("There is no current renderer");
slouken@1907
  1311
            return -1;
slouken@1907
  1312
        }
slouken@1907
  1313
        *info = SDL_CurrentDisplay.current_renderer->info;
slouken@1907
  1314
    } else {
slouken@1907
  1315
        *info = SDL_CurrentDisplay.render_drivers[index].info;
slouken@1907
  1316
    }
slouken@1895
  1317
    return 0;
slouken@1895
  1318
}
slouken@1895
  1319
slouken@1895
  1320
int
slouken@1895
  1321
SDL_CreateRenderer(SDL_WindowID windowID, int index, Uint32 flags)
slouken@1895
  1322
{
slouken@1895
  1323
    SDL_Window *window = SDL_GetWindowFromID(windowID);
slouken@1895
  1324
slouken@1895
  1325
    if (!window) {
slouken@1895
  1326
        return 0;
slouken@1895
  1327
    }
slouken@1895
  1328
slouken@1895
  1329
    if (index < 0) {
slouken@1905
  1330
        const char *override = SDL_getenv("SDL_VIDEO_RENDERER");
slouken@1895
  1331
        int n = SDL_GetNumRenderers();
slouken@1895
  1332
        for (index = 0; index < n; ++index) {
slouken@1895
  1333
            SDL_RenderDriver *driver =
slouken@1895
  1334
                &SDL_CurrentDisplay.render_drivers[index];
slouken@1895
  1335
slouken@1905
  1336
            if (override) {
slouken@1905
  1337
                if (SDL_strcasecmp(override, driver->info.name) == 0) {
slouken@1905
  1338
                    break;
slouken@1905
  1339
                }
slouken@1905
  1340
            } else {
slouken@1905
  1341
                if ((driver->info.flags & flags) == flags) {
slouken@1905
  1342
                    break;
slouken@1905
  1343
                }
slouken@1895
  1344
            }
slouken@1895
  1345
        }
slouken@1895
  1346
        if (index == n) {
slouken@1895
  1347
            SDL_SetError("Couldn't find matching render driver");
slouken@1895
  1348
            return -1;
slouken@1895
  1349
        }
slouken@1895
  1350
    }
slouken@1895
  1351
slouken@1895
  1352
    if (index >= SDL_GetNumRenderers()) {
slouken@1895
  1353
        SDL_SetError("index must be -1 or in the range of 0 - %d",
slouken@1895
  1354
                     SDL_GetNumRenderers() - 1);
slouken@1895
  1355
        return -1;
slouken@1895
  1356
    }
slouken@1895
  1357
slouken@1895
  1358
    /* Free any existing renderer */
slouken@1895
  1359
    SDL_DestroyRenderer(windowID);
slouken@1895
  1360
slouken@1895
  1361
    /* Create a new renderer instance */
slouken@1895
  1362
    window->renderer =
slouken@1895
  1363
        SDL_CurrentDisplay.render_drivers[index].CreateRenderer(window,
slouken@1895
  1364
                                                                flags);
slouken@1895
  1365
    if (!window->renderer) {
slouken@1895
  1366
        return -1;
slouken@1895
  1367
    }
slouken@1895
  1368
    SDL_CurrentDisplay.current_renderer = window->renderer;
slouken@1895
  1369
slouken@1895
  1370
    return 0;
slouken@1895
  1371
}
slouken@1895
  1372
slouken@1895
  1373
int
slouken@1895
  1374
SDL_SelectRenderer(SDL_WindowID windowID)
slouken@1895
  1375
{
slouken@1895
  1376
    SDL_Window *window = SDL_GetWindowFromID(windowID);
slouken@1895
  1377
slouken@1895
  1378
    if (!window || !window->renderer) {
slouken@1895
  1379
        return -1;
slouken@1895
  1380
    }
slouken@1895
  1381
    SDL_CurrentDisplay.current_renderer = window->renderer;
slouken@1895
  1382
    return 0;
slouken@1895
  1383
}
slouken@1895
  1384
slouken@1895
  1385
SDL_TextureID
slouken@1895
  1386
SDL_CreateTexture(Uint32 format, int access, int w, int h)
slouken@1895
  1387
{
slouken@1895
  1388
    int hash;
slouken@1895
  1389
    SDL_Renderer *renderer;
slouken@1895
  1390
    SDL_Texture *texture;
slouken@1895
  1391
slouken@1895
  1392
    if (!_this) {
slouken@1912
  1393
        SDL_UninitializedVideo();
slouken@1895
  1394
        return 0;
slouken@1895
  1395
    }
slouken@1895
  1396
slouken@1895
  1397
    renderer = SDL_CurrentDisplay.current_renderer;
slouken@1895
  1398
    if (!renderer || !renderer->CreateTexture) {
slouken@1895
  1399
        return 0;
slouken@1895
  1400
    }
slouken@1895
  1401
slouken@1895
  1402
    texture = (SDL_Texture *) SDL_malloc(sizeof(*texture));
slouken@1895
  1403
    if (!texture) {
slouken@1895
  1404
        SDL_OutOfMemory();
slouken@1895
  1405
        return 0;
slouken@1895
  1406
    }
slouken@1895
  1407
slouken@1895
  1408
    SDL_zerop(texture);
slouken@1895
  1409
    texture->id = _this->next_object_id++;
slouken@1895
  1410
    texture->format = format;
slouken@1895
  1411
    texture->access = access;
slouken@1895
  1412
    texture->w = w;
slouken@1895
  1413
    texture->h = h;
slouken@1895
  1414
    texture->renderer = renderer;
slouken@1895
  1415
slouken@1895
  1416
    if (renderer->CreateTexture(renderer, texture) < 0) {
slouken@1895
  1417
        SDL_free(texture);
slouken@1895
  1418
        return 0;
slouken@1895
  1419
    }
slouken@1895
  1420
slouken@1895
  1421
    hash = (texture->id % SDL_arraysize(SDL_CurrentDisplay.textures));
slouken@1895
  1422
    texture->next = SDL_CurrentDisplay.textures[hash];
slouken@1895
  1423
    SDL_CurrentDisplay.textures[hash] = texture;
slouken@1895
  1424
slouken@1895
  1425
    return texture->id;
slouken@1895
  1426
}
slouken@1895
  1427
slouken@1895
  1428
SDL_TextureID
slouken@1895
  1429
SDL_CreateTextureFromSurface(Uint32 format, int access, SDL_Surface * surface)
slouken@1895
  1430
{
slouken@1895
  1431
    SDL_TextureID textureID;
slouken@1895
  1432
    Uint32 surface_flags = surface->flags;
slouken@1895
  1433
    SDL_PixelFormat *fmt = surface->format;
slouken@1895
  1434
    Uint8 alpha;
slouken@1895
  1435
    SDL_Rect bounds;
slouken@1895
  1436
    SDL_Surface dst;
slouken@1895
  1437
    int bpp;
slouken@1895
  1438
    Uint32 Rmask, Gmask, Bmask, Amask;
slouken@1895
  1439
slouken@1895
  1440
    if (!surface) {
slouken@1895
  1441
        SDL_SetError("SDL_CreateTextureFromSurface() passed NULL surface");
slouken@1895
  1442
        return 0;
slouken@1895
  1443
    }
slouken@1895
  1444
slouken@1895
  1445
    if (format) {
slouken@1895
  1446
        if (!SDL_PixelFormatEnumToMasks
slouken@1895
  1447
            (format, &bpp, &Rmask, &Gmask, &Bmask, &Amask)) {
slouken@1895
  1448
            SDL_SetError("Unknown pixel format");
slouken@1895
  1449
            return 0;
slouken@1895
  1450
        }
slouken@1895
  1451
    } else {
slouken@1895
  1452
        if (fmt->Amask || !(surface_flags & (SDL_SRCCOLORKEY | SDL_SRCALPHA))) {
slouken@1895
  1453
            bpp = fmt->BitsPerPixel;
slouken@1895
  1454
            Rmask = fmt->Rmask;
slouken@1895
  1455
            Gmask = fmt->Gmask;
slouken@1895
  1456
            Bmask = fmt->Bmask;
slouken@1895
  1457
            Amask = fmt->Amask;
slouken@1895
  1458
        } else {
slouken@1895
  1459
            /* Need a format with alpha */
slouken@1895
  1460
            bpp = 32;
slouken@1895
  1461
            Rmask = 0x00FF0000;
slouken@1895
  1462
            Gmask = 0x0000FF00;
slouken@1895
  1463
            Bmask = 0x000000FF;
slouken@1895
  1464
            Amask = 0xFF000000;
slouken@1895
  1465
        }
slouken@1895
  1466
        format = SDL_MasksToPixelFormatEnum(bpp, Rmask, Gmask, Bmask, Amask);
slouken@1895
  1467
        if (!format) {
slouken@1895
  1468
            SDL_SetError("Unknown pixel format");
slouken@1895
  1469
            return 0;
slouken@1895
  1470
        }
slouken@1895
  1471
    }
slouken@1895
  1472
slouken@1895
  1473
    textureID = SDL_CreateTexture(format, access, surface->w, surface->h);
slouken@1895
  1474
    if (!textureID) {
slouken@1895
  1475
        return 0;
slouken@1895
  1476
    }
slouken@1895
  1477
slouken@1895
  1478
    /* Set up a destination surface for the texture update */
slouken@1895
  1479
    SDL_zero(dst);
slouken@1895
  1480
    dst.format = SDL_AllocFormat(bpp, Rmask, Gmask, Bmask, Amask);
slouken@1895
  1481
    if (!dst.format) {
slouken@1895
  1482
        SDL_DestroyTexture(textureID);
slouken@1895
  1483
        return 0;
slouken@1895
  1484
    }
slouken@1895
  1485
    dst.w = surface->w;
slouken@1895
  1486
    dst.h = surface->h;
slouken@1895
  1487
    if (SDL_LockTexture(textureID, NULL, 1, &dst.pixels, &dst.pitch) == 0) {
slouken@1895
  1488
        dst.flags |= SDL_PREALLOC;
slouken@1895
  1489
    } else {
slouken@1895
  1490
        dst.pitch = SDL_CalculatePitch(&dst);
slouken@1895
  1491
        dst.pixels = SDL_malloc(dst.h * dst.pitch);
slouken@1895
  1492
        if (!dst.pixels) {
slouken@1895
  1493
            SDL_DestroyTexture(textureID);
slouken@1895
  1494
            SDL_FreeFormat(dst.format);
slouken@1895
  1495
            SDL_OutOfMemory();
slouken@1895
  1496
            return 0;
slouken@1895
  1497
        }
slouken@1895
  1498
    }
slouken@1895
  1499
slouken@1895
  1500
    /* Copy the palette if any */
slouken@1895
  1501
    if (SDL_ISPIXELFORMAT_INDEXED(format)) {
slouken@1895
  1502
        if (fmt->palette) {
slouken@1895
  1503
            SDL_SetTexturePalette(textureID, fmt->palette->colors, 0,
slouken@1895
  1504
                                  fmt->palette->ncolors);
slouken@1895
  1505
            SDL_SetSurfacePalette(&dst, fmt->palette);
slouken@1895
  1506
        } else {
slouken@1895
  1507
            dst.format->palette =
slouken@1895
  1508
                SDL_AllocPalette((1 << SDL_BITSPERPIXEL(format)));
slouken@1895
  1509
            if (!dst.format->palette) {
slouken@1895
  1510
                SDL_DestroyTexture(textureID);
slouken@1895
  1511
                SDL_FreeFormat(dst.format);
slouken@1895
  1512
                return 0;
slouken@1895
  1513
            }
slouken@1895
  1514
            SDL_DitherColors(dst.format->palette->colors,
slouken@1895
  1515
                             SDL_BITSPERPIXEL(format));
slouken@1895
  1516
        }
slouken@1895
  1517
    }
slouken@1895
  1518
slouken@1895
  1519
    /* Make the texture transparent if the surface has colorkey */
slouken@1895
  1520
    if (surface_flags & SDL_SRCCOLORKEY) {
slouken@1895
  1521
        int row;
slouken@1895
  1522
        int length = dst.w * dst.format->BytesPerPixel;
slouken@1895
  1523
        Uint8 *p = (Uint8 *) dst.pixels;
slouken@1895
  1524
        for (row = 0; row < dst.h; ++row) {
slouken@1895
  1525
            SDL_memset(p, 0, length);
slouken@1895
  1526
            p += dst.pitch;
slouken@1895
  1527
        }
slouken@1895
  1528
    }
slouken@1895
  1529
slouken@1895
  1530
    /* Copy over the alpha channel */
slouken@1895
  1531
    if (surface_flags & SDL_SRCALPHA) {
slouken@1895
  1532
        if (fmt->Amask) {
slouken@1895
  1533
            surface->flags &= ~SDL_SRCALPHA;
slouken@1895
  1534
        } else {
slouken@1895
  1535
            /* FIXME: Need to make sure the texture has an alpha channel
slouken@1895
  1536
             *        and copy 'alpha' into the texture alpha channel.
slouken@1895
  1537
             */
slouken@1895
  1538
            alpha = surface->format->alpha;
slouken@1895
  1539
            SDL_SetAlpha(surface, 0, 0);
slouken@1895
  1540
        }
slouken@1895
  1541
    }
slouken@1895
  1542
slouken@1895
  1543
    /* Copy over the image data */
slouken@1895
  1544
    bounds.x = 0;
slouken@1895
  1545
    bounds.y = 0;
slouken@1895
  1546
    bounds.w = surface->w;
slouken@1895
  1547
    bounds.h = surface->h;
slouken@1895
  1548
    SDL_LowerBlit(surface, &bounds, &dst, &bounds);
slouken@1895
  1549
slouken@1895
  1550
    /* Clean up the original surface */
slouken@1895
  1551
    if ((surface_flags & SDL_SRCALPHA) == SDL_SRCALPHA) {
slouken@1895
  1552
        Uint32 aflags = surface_flags & (SDL_SRCALPHA | SDL_RLEACCELOK);
slouken@1895
  1553
        if (fmt->Amask) {
slouken@1895
  1554
            surface->flags |= SDL_SRCALPHA;
slouken@1895
  1555
        } else {
slouken@1895
  1556
            SDL_SetAlpha(surface, aflags, alpha);
slouken@1895
  1557
        }
slouken@1895
  1558
    }
slouken@1895
  1559
slouken@1895
  1560
    /* Update the texture */
slouken@1895
  1561
    if (dst.flags & SDL_PREALLOC) {
slouken@1895
  1562
        SDL_UnlockTexture(textureID);
slouken@1895
  1563
    } else {
slouken@1895
  1564
        SDL_UpdateTexture(textureID, NULL, dst.pixels, dst.pitch);
slouken@1895
  1565
        SDL_free(dst.pixels);
slouken@1895
  1566
    }
slouken@1895
  1567
    SDL_FreeFormat(dst.format);
slouken@1895
  1568
slouken@1895
  1569
    return textureID;
slouken@1895
  1570
}
slouken@1895
  1571
slouken@1895
  1572
static __inline__ SDL_Texture *
slouken@1895
  1573
SDL_GetTextureFromID(SDL_TextureID textureID)
slouken@1895
  1574
{
slouken@1895
  1575
    int hash;
slouken@1895
  1576
    SDL_Texture *texture;
slouken@1895
  1577
slouken@1895
  1578
    if (!_this) {
slouken@1895
  1579
        return NULL;
slouken@1895
  1580
    }
slouken@1895
  1581
slouken@1895
  1582
    hash = (textureID % SDL_arraysize(SDL_CurrentDisplay.textures));
slouken@1895
  1583
    for (texture = SDL_CurrentDisplay.textures[hash]; texture;
slouken@1895
  1584
         texture = texture->next) {
slouken@1895
  1585
        if (texture->id == textureID) {
slouken@1895
  1586
            return texture;
slouken@1895
  1587
        }
slouken@1895
  1588
    }
slouken@1895
  1589
    return NULL;
slouken@1895
  1590
}
slouken@1895
  1591
slouken@1895
  1592
int
slouken@1895
  1593
SDL_QueryTexture(SDL_TextureID textureID, Uint32 * format, int *access,
slouken@1895
  1594
                 int *w, int *h)
slouken@1895
  1595
{
slouken@1895
  1596
    SDL_Texture *texture = SDL_GetTextureFromID(textureID);
slouken@1895
  1597
slouken@1895
  1598
    if (!texture) {
slouken@1895
  1599
        return -1;
slouken@1895
  1600
    }
slouken@1895
  1601
slouken@1895
  1602
    if (format) {
slouken@1895
  1603
        *format = texture->format;
slouken@1895
  1604
    }
slouken@1895
  1605
    if (access) {
slouken@1895
  1606
        *access = texture->access;
slouken@1895
  1607
    }
slouken@1895
  1608
    if (w) {
slouken@1895
  1609
        *w = texture->w;
slouken@1895
  1610
    }
slouken@1895
  1611
    if (h) {
slouken@1895
  1612
        *h = texture->h;
slouken@1895
  1613
    }
slouken@1895
  1614
    return 0;
slouken@1895
  1615
}
slouken@1895
  1616
slouken@1895
  1617
int
slouken@1895
  1618
SDL_QueryTexturePixels(SDL_TextureID textureID, void **pixels, int *pitch)
slouken@1895
  1619
{
slouken@1895
  1620
    SDL_Texture *texture = SDL_GetTextureFromID(textureID);
slouken@1895
  1621
    SDL_Renderer *renderer;
slouken@1895
  1622
slouken@1895
  1623
    if (!texture) {
slouken@1895
  1624
        return -1;
slouken@1895
  1625
    }
slouken@1895
  1626
slouken@1895
  1627
    renderer = texture->renderer;
slouken@1895
  1628
    if (!renderer->QueryTexturePixels) {
slouken@1895
  1629
        return -1;
slouken@1895
  1630
    }
slouken@1895
  1631
    return renderer->QueryTexturePixels(renderer, texture, pixels, pitch);
slouken@1895
  1632
}
slouken@1895
  1633
slouken@1895
  1634
int
slouken@1895
  1635
SDL_SetTexturePalette(SDL_TextureID textureID, const SDL_Color * colors,
slouken@1895
  1636
                      int firstcolor, int ncolors)
slouken@1895
  1637
{
slouken@1895
  1638
    SDL_Texture *texture = SDL_GetTextureFromID(textureID);
slouken@1895
  1639
    SDL_Renderer *renderer;
slouken@1895
  1640
slouken@1895
  1641
    if (!texture) {
slouken@1895
  1642
        return -1;
slouken@1895
  1643
    }
slouken@1895
  1644
slouken@1895
  1645
    renderer = texture->renderer;
slouken@1895
  1646
    if (!renderer->SetTexturePalette) {
slouken@1895
  1647
        return -1;
slouken@1895
  1648
    }
slouken@1895
  1649
    return renderer->SetTexturePalette(renderer, texture, colors, firstcolor,
slouken@1895
  1650
                                       ncolors);
slouken@1895
  1651
}
slouken@1895
  1652
slouken@1895
  1653
int
slouken@1895
  1654
SDL_GetTexturePalette(SDL_TextureID textureID, SDL_Color * colors,
slouken@1895
  1655
                      int firstcolor, int ncolors)
slouken@1895
  1656
{
slouken@1895
  1657
    SDL_Texture *texture = SDL_GetTextureFromID(textureID);
slouken@1895
  1658
    SDL_Renderer *renderer;
slouken@1895
  1659
slouken@1895
  1660
    if (!texture) {
slouken@1895
  1661
        return -1;
slouken@1895
  1662
    }
slouken@1895
  1663
slouken@1895
  1664
    renderer = texture->renderer;
slouken@1895
  1665
    if (!renderer->GetTexturePalette) {
slouken@1895
  1666
        return -1;
slouken@1895
  1667
    }
slouken@1895
  1668
    return renderer->GetTexturePalette(renderer, texture, colors, firstcolor,
slouken@1895
  1669
                                       ncolors);
slouken@1895
  1670
}
slouken@1895
  1671
slouken@1895
  1672
int
slouken@1895
  1673
SDL_UpdateTexture(SDL_TextureID textureID, const SDL_Rect * rect,
slouken@1895
  1674
                  const void *pixels, int pitch)
slouken@1895
  1675
{
slouken@1895
  1676
    SDL_Texture *texture = SDL_GetTextureFromID(textureID);
slouken@1895
  1677
    SDL_Renderer *renderer;
slouken@1895
  1678
    SDL_Rect full_rect;
slouken@1895
  1679
slouken@1895
  1680
    if (!texture) {
slouken@1895
  1681
        return -1;
slouken@1895
  1682
    }
slouken@1895
  1683
slouken@1895
  1684
    renderer = texture->renderer;
slouken@1895
  1685
    if (!renderer->UpdateTexture) {
slouken@1895
  1686
        return -1;
slouken@1895
  1687
    }
slouken@1895
  1688
slouken@1895
  1689
    if (!rect) {
slouken@1895
  1690
        full_rect.x = 0;
slouken@1895
  1691
        full_rect.y = 0;
slouken@1895
  1692
        full_rect.w = texture->w;
slouken@1895
  1693
        full_rect.h = texture->h;
slouken@1895
  1694
        rect = &full_rect;
slouken@1895
  1695
    }
slouken@1895
  1696
slouken@1895
  1697
    return renderer->UpdateTexture(renderer, texture, rect, pixels, pitch);
slouken@1895
  1698
}
slouken@1895
  1699
slouken@1895
  1700
int
slouken@1895
  1701
SDL_LockTexture(SDL_TextureID textureID, const SDL_Rect * rect, int markDirty,
slouken@1895
  1702
                void **pixels, int *pitch)
slouken@1895
  1703
{
slouken@1895
  1704
    SDL_Texture *texture = SDL_GetTextureFromID(textureID);
slouken@1895
  1705
    SDL_Renderer *renderer;
slouken@1895
  1706
    SDL_Rect full_rect;
slouken@1895
  1707
slouken@1895
  1708
    if (!texture) {
slouken@1895
  1709
        return -1;
slouken@1895
  1710
    }
slouken@1895
  1711
slouken@1895
  1712
    renderer = texture->renderer;
slouken@1895
  1713
    if (!renderer->LockTexture) {
slouken@1895
  1714
        return -1;
slouken@1895
  1715
    }
slouken@1895
  1716
slouken@1895
  1717
    if (!rect) {
slouken@1895
  1718
        full_rect.x = 0;
slouken@1895
  1719
        full_rect.y = 0;
slouken@1895
  1720
        full_rect.w = texture->w;
slouken@1895
  1721
        full_rect.h = texture->h;
slouken@1895
  1722
        rect = &full_rect;
slouken@1895
  1723
    }
slouken@1895
  1724
slouken@1895
  1725
    return renderer->LockTexture(renderer, texture, rect, markDirty, pixels,
slouken@1895
  1726
                                 pitch);
slouken@1895
  1727
}
slouken@1895
  1728
slouken@1895
  1729
void
slouken@1895
  1730
SDL_UnlockTexture(SDL_TextureID textureID)
slouken@1895
  1731
{
slouken@1895
  1732
    SDL_Texture *texture = SDL_GetTextureFromID(textureID);
slouken@1895
  1733
    SDL_Renderer *renderer;
slouken@1895
  1734
slouken@1895
  1735
    if (!texture) {
slouken@1895
  1736
        return;
slouken@1895
  1737
    }
slouken@1895
  1738
slouken@1895
  1739
    renderer = texture->renderer;
slouken@1895
  1740
    if (!renderer->UnlockTexture) {
slouken@1895
  1741
        return;
slouken@1895
  1742
    }
slouken@1895
  1743
    renderer->UnlockTexture(renderer, texture);
slouken@1895
  1744
}
slouken@1895
  1745
slouken@1895
  1746
void
slouken@1895
  1747
SDL_DirtyTexture(SDL_TextureID textureID, int numrects,
slouken@1895
  1748
                 const SDL_Rect * rects)
slouken@1895
  1749
{
slouken@1895
  1750
    SDL_Texture *texture = SDL_GetTextureFromID(textureID);
slouken@1895
  1751
    SDL_Renderer *renderer;
slouken@1895
  1752
slouken@1895
  1753
    if (!texture) {
slouken@1895
  1754
        return;
slouken@1895
  1755
    }
slouken@1895
  1756
slouken@1895
  1757
    renderer = texture->renderer;
slouken@1895
  1758
    if (!renderer->DirtyTexture) {
slouken@1895
  1759
        return;
slouken@1895
  1760
    }
slouken@1895
  1761
    renderer->DirtyTexture(renderer, texture, numrects, rects);
slouken@1895
  1762
}
slouken@1895
  1763
slouken@1895
  1764
int
slouken@1895
  1765
SDL_RenderFill(const SDL_Rect * rect, Uint32 color)
slouken@1895
  1766
{
slouken@1895
  1767
    SDL_Renderer *renderer;
slouken@1895
  1768
    SDL_Window *window;
slouken@1895
  1769
    SDL_Rect real_rect;
slouken@1895
  1770
slouken@1895
  1771
    if (!_this) {
slouken@1912
  1772
        SDL_UninitializedVideo();
slouken@1895
  1773
        return -1;
slouken@1895
  1774
    }
slouken@1895
  1775
slouken@1895
  1776
    renderer = SDL_CurrentDisplay.current_renderer;
slouken@1895
  1777
    if (!renderer || !renderer->RenderFill) {
slouken@1895
  1778
        return -1;
slouken@1895
  1779
    }
slouken@1895
  1780
slouken@1895
  1781
    window = SDL_GetWindowFromID(renderer->window);
slouken@1895
  1782
    real_rect.x = 0;
slouken@1895
  1783
    real_rect.y = 0;
slouken@1895
  1784
    real_rect.w = window->w;
slouken@1895
  1785
    real_rect.h = window->h;
slouken@1895
  1786
    if (rect) {
slouken@1895
  1787
        if (!SDL_IntersectRect(rect, &real_rect, &real_rect)) {
slouken@1895
  1788
            return 0;
slouken@1895
  1789
        }
slouken@1895
  1790
    }
slouken@1895
  1791
slouken@1897
  1792
    return renderer->RenderFill(renderer, &real_rect, color);
slouken@1895
  1793
}
slouken@1895
  1794
slouken@1895
  1795
int
slouken@1895
  1796
SDL_RenderCopy(SDL_TextureID textureID, const SDL_Rect * srcrect,
slouken@1895
  1797
               const SDL_Rect * dstrect, int blendMode, int scaleMode)
slouken@1895
  1798
{
slouken@1895
  1799
    SDL_Texture *texture = SDL_GetTextureFromID(textureID);
slouken@1895
  1800
    SDL_Renderer *renderer;
slouken@1895
  1801
    SDL_Window *window;
slouken@1895
  1802
    SDL_Rect real_srcrect;
slouken@1895
  1803
    SDL_Rect real_dstrect;
slouken@1895
  1804
slouken@1895
  1805
    if (!texture || texture->renderer != SDL_CurrentDisplay.current_renderer) {
slouken@1895
  1806
        return -1;
slouken@1895
  1807
    }
slouken@1895
  1808
slouken@1895
  1809
    renderer = SDL_CurrentDisplay.current_renderer;
slouken@1895
  1810
    if (!renderer || !renderer->RenderCopy) {
slouken@1895
  1811
        return -1;
slouken@1895
  1812
    }
slouken@1895
  1813
slouken@1895
  1814
    window = SDL_GetWindowFromID(renderer->window);
slouken@1897
  1815
    if (srcrect) {
slouken@1897
  1816
        real_srcrect = *srcrect;
slouken@1897
  1817
    } else {
slouken@1897
  1818
        real_srcrect.x = 0;
slouken@1897
  1819
        real_srcrect.y = 0;
slouken@1897
  1820
        real_srcrect.w = texture->w;
slouken@1897
  1821
        real_srcrect.h = texture->h;
slouken@1895
  1822
    }
slouken@1897
  1823
    if (dstrect) {
slouken@1897
  1824
        real_dstrect = *dstrect;
slouken@1897
  1825
    } else {
slouken@1897
  1826
        real_dstrect.x = 0;
slouken@1897
  1827
        real_dstrect.y = 0;
slouken@1897
  1828
        real_dstrect.w = window->w;
slouken@1897
  1829
        real_dstrect.h = window->h;
slouken@1895
  1830
    }
slouken@1895
  1831
slouken@1897
  1832
    return renderer->RenderCopy(renderer, texture, &real_srcrect,
slouken@1897
  1833
                                &real_dstrect, blendMode, scaleMode);
slouken@1895
  1834
}
slouken@1895
  1835
slouken@1895
  1836
void
slouken@1895
  1837
SDL_RenderPresent(void)
slouken@1895
  1838
{
slouken@1895
  1839
    SDL_Renderer *renderer;
slouken@1895
  1840
slouken@1895
  1841
    if (!_this) {
slouken@1912
  1842
        SDL_UninitializedVideo();
slouken@1895
  1843
        return;
slouken@1895
  1844
    }
slouken@1895
  1845
slouken@1895
  1846
    renderer = SDL_CurrentDisplay.current_renderer;
slouken@1895
  1847
    if (!renderer || !renderer->RenderPresent) {
slouken@1895
  1848
        return;
slouken@1895
  1849
    }
slouken@1895
  1850
    renderer->RenderPresent(renderer);
slouken@1895
  1851
}
slouken@1895
  1852
slouken@1895
  1853
void
slouken@1895
  1854
SDL_DestroyTexture(SDL_TextureID textureID)
slouken@1895
  1855
{
slouken@1895
  1856
    int hash;
slouken@1895
  1857
    SDL_Texture *prev, *texture;
slouken@1895
  1858
    SDL_Renderer *renderer;
slouken@1895
  1859
slouken@1895
  1860
    if (!_this) {
slouken@1912
  1861
        SDL_UninitializedVideo();
slouken@1895
  1862
        return;
slouken@1895
  1863
    }
slouken@1895
  1864
slouken@1895
  1865
    /* Look up the texture in the hash table */
slouken@1895
  1866
    hash = (textureID % SDL_arraysize(SDL_CurrentDisplay.textures));
slouken@1895
  1867
    prev = NULL;
slouken@1895
  1868
    for (texture = SDL_CurrentDisplay.textures[hash]; texture;
slouken@1895
  1869
         prev = texture, texture = texture->next) {
slouken@1895
  1870
        if (texture->id == textureID) {
slouken@1895
  1871
            break;
slouken@1895
  1872
        }
slouken@1895
  1873
    }
slouken@1895
  1874
    if (!texture) {
slouken@1895
  1875
        return;
slouken@1895
  1876
    }
slouken@1895
  1877
slouken@1895
  1878
    /* Unlink the texture from the list */
slouken@1895
  1879
    if (prev) {
slouken@1895
  1880
        prev->next = texture->next;
slouken@1895
  1881
    } else {
slouken@1895
  1882
        SDL_CurrentDisplay.textures[hash] = texture->next;
slouken@1895
  1883
    }
slouken@1895
  1884
slouken@1895
  1885
    /* Free the texture */
slouken@1895
  1886
    renderer = texture->renderer;
slouken@1895
  1887
    renderer->DestroyTexture(renderer, texture);
slouken@1895
  1888
    SDL_free(texture);
slouken@1895
  1889
}
slouken@1895
  1890
slouken@1895
  1891
void
slouken@1895
  1892
SDL_DestroyRenderer(SDL_WindowID windowID)
slouken@1895
  1893
{
slouken@1895
  1894
    SDL_Window *window = SDL_GetWindowFromID(windowID);
slouken@1895
  1895
    SDL_Renderer *renderer;
slouken@1895
  1896
    int i;
slouken@1895
  1897
slouken@1895
  1898
    if (!window) {
slouken@1895
  1899
        return;
slouken@1895
  1900
    }
slouken@1895
  1901
slouken@1895
  1902
    renderer = window->renderer;
slouken@1895
  1903
    if (!renderer) {
slouken@1895
  1904
        return;
slouken@1895
  1905
    }
slouken@1895
  1906
slouken@1895
  1907
    /* Free existing textures for this renderer */
slouken@1895
  1908
    for (i = 0; i < SDL_arraysize(SDL_CurrentDisplay.textures); ++i) {
slouken@1895
  1909
        SDL_Texture *texture;
slouken@1895
  1910
        SDL_Texture *prev = NULL;
slouken@1895
  1911
        SDL_Texture *next;
slouken@1895
  1912
        for (texture = SDL_CurrentDisplay.textures[i]; texture;
slouken@1895
  1913
             texture = next) {
slouken@1895
  1914
            next = texture->next;
slouken@1895
  1915
            if (texture->renderer == renderer) {
slouken@1895
  1916
                if (prev) {
slouken@1895
  1917
                    prev->next = next;
slouken@1895
  1918
                } else {
slouken@1895
  1919
                    SDL_CurrentDisplay.textures[i] = next;
slouken@1895
  1920
                }
slouken@1895
  1921
                renderer->DestroyTexture(renderer, texture);
slouken@1895
  1922
                SDL_free(texture);
slouken@1895
  1923
            } else {
slouken@1895
  1924
                prev = texture;
slouken@1895
  1925
            }
slouken@1895
  1926
        }
slouken@1895
  1927
    }
slouken@1895
  1928
slouken@1895
  1929
    /* Free the renderer instance */
slouken@1895
  1930
    renderer->DestroyRenderer(renderer);
slouken@1895
  1931
slouken@1895
  1932
    /* Clear references */
slouken@1895
  1933
    window->renderer = NULL;
slouken@1895
  1934
    if (SDL_CurrentDisplay.current_renderer == renderer) {
slouken@1895
  1935
        SDL_CurrentDisplay.current_renderer = NULL;
slouken@1895
  1936
    }
slouken@1895
  1937
}
slouken@1895
  1938
slouken@1895
  1939
void
slouken@1895
  1940
SDL_VideoQuit(void)
slouken@1895
  1941
{
slouken@1895
  1942
    int i, j;
slouken@1895
  1943
slouken@1895
  1944
    if (!_this) {
slouken@1895
  1945
        return;
slouken@1895
  1946
    }
slouken@1895
  1947
slouken@1895
  1948
    /* Halt event processing before doing anything else */
slouken@1895
  1949
    SDL_StopEventLoop();
slouken@1895
  1950
slouken@1895
  1951
    /* Clean up the system video */
slouken@1895
  1952
    for (i = _this->num_displays; i--;) {
slouken@1895
  1953
        SDL_VideoDisplay *display = &_this->displays[i];
slouken@1895
  1954
        for (j = display->num_windows; j--;) {
slouken@1895
  1955
            SDL_DestroyWindow(display->windows[i].id);
slouken@1895
  1956
        }
slouken@1895
  1957
        if (display->windows) {
slouken@1895
  1958
            SDL_free(display->windows);
slouken@1895
  1959
            display->windows = NULL;
slouken@1895
  1960
        }
slouken@1895
  1961
        display->num_windows = 0;
slouken@1895
  1962
    }
slouken@1895
  1963
    _this->VideoQuit(_this);
slouken@1895
  1964
slouken@1895
  1965
    for (i = _this->num_displays; i--;) {
slouken@1895
  1966
        SDL_VideoDisplay *display = &_this->displays[i];
slouken@1895
  1967
        for (j = display->num_display_modes; j--;) {
slouken@1895
  1968
            if (display->display_modes[j].driverdata) {
slouken@1895
  1969
                SDL_free(display->display_modes[j].driverdata);
slouken@1895
  1970
                display->display_modes[j].driverdata = NULL;
slouken@1895
  1971
            }
slouken@1895
  1972
        }
slouken@1895
  1973
        if (display->display_modes) {
slouken@1895
  1974
            SDL_free(display->display_modes);
slouken@1895
  1975
            display->display_modes = NULL;
slouken@1895
  1976
        }
slouken@1895
  1977
        if (display->desktop_mode.driverdata) {
slouken@1895
  1978
            SDL_free(display->desktop_mode.driverdata);
slouken@1895
  1979
            display->desktop_mode.driverdata = NULL;
slouken@1895
  1980
        }
slouken@1895
  1981
        if (display->palette) {
slouken@1895
  1982
            SDL_FreePalette(display->palette);
slouken@1895
  1983
            display->palette = NULL;
slouken@1895
  1984
        }
slouken@1895
  1985
        if (display->gamma) {
slouken@1895
  1986
            SDL_free(display->gamma);
slouken@1895
  1987
        }
slouken@1895
  1988
        if (display->driverdata) {
slouken@1895
  1989
            SDL_free(display->driverdata);
slouken@1895
  1990
        }
slouken@1895
  1991
    }
slouken@1895
  1992
    if (_this->displays) {
slouken@1895
  1993
        SDL_free(_this->displays);
slouken@1895
  1994
        _this->displays = NULL;
slouken@1895
  1995
    }
slouken@1895
  1996
    _this->free(_this);
slouken@1895
  1997
    _this = NULL;
slouken@0
  1998
}
slouken@0
  1999
slouken@1895
  2000
int
slouken@1895
  2001
SDL_GL_LoadLibrary(const char *path)
slouken@0
  2002
{
slouken@1895
  2003
    int retval;
slouken@0
  2004
slouken@1912
  2005
    if (!_this) {
slouken@1912
  2006
        SDL_UninitializedVideo();
slouken@1912
  2007
        return -1;
slouken@1912
  2008
    }
slouken@1912
  2009
slouken@1912
  2010
    if (_this->GL_LoadLibrary) {
slouken@1912
  2011
        retval = _this->GL_LoadLibrary(_this, path);
slouken@1895
  2012
    } else {
slouken@1912
  2013
        SDL_SetError("No dynamic GL support in video driver");
slouken@1912
  2014
        retval = -1;
slouken@1895
  2015
    }
slouken@1895
  2016
    return (retval);
slouken@0
  2017
}
slouken@0
  2018
slouken@1895
  2019
void *
slouken@1895
  2020
SDL_GL_GetProcAddress(const char *proc)
slouken@0
  2021
{
slouken@1895
  2022
    void *func;
slouken@0
  2023
slouken@1912
  2024
    if (!_this) {
slouken@1912
  2025
        SDL_UninitializedVideo();
slouken@1912
  2026
        return NULL;
slouken@1912
  2027
    }
slouken@1912
  2028
slouken@1895
  2029
    func = NULL;
slouken@1895
  2030
    if (_this->GL_GetProcAddress) {
slouken@1895
  2031
        if (_this->gl_config.driver_loaded) {
slouken@1895
  2032
            func = _this->GL_GetProcAddress(_this, proc);
slouken@1895
  2033
        } else {
slouken@1895
  2034
            SDL_SetError("No GL driver has been loaded");
slouken@1895
  2035
        }
slouken@1895
  2036
    } else {
slouken@1895
  2037
        SDL_SetError("No dynamic GL support in video driver");
slouken@1895
  2038
    }
slouken@1895
  2039
    return func;
slouken@0
  2040
}
slouken@0
  2041
slouken@1895
  2042
int
slouken@1895
  2043
SDL_GL_SetAttribute(SDL_GLattr attr, int value)
slouken@0
  2044
{
slouken@1895
  2045
    int retval;
slouken@0
  2046
slouken@1912
  2047
    if (!_this) {
slouken@1912
  2048
        SDL_UninitializedVideo();
slouken@1912
  2049
        return -1;
slouken@1912
  2050
    }
slouken@1912
  2051
slouken@1895
  2052
    retval = 0;
slouken@1895
  2053
    switch (attr) {
slouken@1895
  2054
    case SDL_GL_RED_SIZE:
slouken@1895
  2055
        _this->gl_config.red_size = value;
slouken@1895
  2056
        break;
slouken@1895
  2057
    case SDL_GL_GREEN_SIZE:
slouken@1895
  2058
        _this->gl_config.green_size = value;
slouken@1895
  2059
        break;
slouken@1895
  2060
    case SDL_GL_BLUE_SIZE:
slouken@1895
  2061
        _this->gl_config.blue_size = value;
slouken@1895
  2062
        break;
slouken@1895
  2063
    case SDL_GL_ALPHA_SIZE:
slouken@1895
  2064
        _this->gl_config.alpha_size = value;
slouken@1895
  2065
        break;
slouken@1895
  2066
    case SDL_GL_DOUBLEBUFFER:
slouken@1895
  2067
        _this->gl_config.double_buffer = value;
slouken@1895
  2068
        break;
slouken@1895
  2069
    case SDL_GL_BUFFER_SIZE:
slouken@1895
  2070
        _this->gl_config.buffer_size = value;
slouken@1895
  2071
        break;
slouken@1895
  2072
    case SDL_GL_DEPTH_SIZE:
slouken@1895
  2073
        _this->gl_config.depth_size = value;
slouken@1895
  2074
        break;
slouken@1895
  2075
    case SDL_GL_STENCIL_SIZE:
slouken@1895
  2076
        _this->gl_config.stencil_size = value;
slouken@1895
  2077
        break;
slouken@1895
  2078
    case SDL_GL_ACCUM_RED_SIZE:
slouken@1895
  2079
        _this->gl_config.accum_red_size = value;
slouken@1895
  2080
        break;
slouken@1895
  2081
    case SDL_GL_ACCUM_GREEN_SIZE:
slouken@1895
  2082
        _this->gl_config.accum_green_size = value;
slouken@1895
  2083
        break;
slouken@1895
  2084
    case SDL_GL_ACCUM_BLUE_SIZE:
slouken@1895
  2085
        _this->gl_config.accum_blue_size = value;
slouken@1895
  2086
        break;
slouken@1895
  2087
    case SDL_GL_ACCUM_ALPHA_SIZE:
slouken@1895
  2088
        _this->gl_config.accum_alpha_size = value;
slouken@1895
  2089
        break;
slouken@1895
  2090
    case SDL_GL_STEREO:
slouken@1895
  2091
        _this->gl_config.stereo = value;
slouken@1895
  2092
        break;
slouken@1895
  2093
    case SDL_GL_MULTISAMPLEBUFFERS:
slouken@1895
  2094
        _this->gl_config.multisamplebuffers = value;
slouken@1895
  2095
        break;
slouken@1895
  2096
    case SDL_GL_MULTISAMPLESAMPLES:
slouken@1895
  2097
        _this->gl_config.multisamplesamples = value;
slouken@1895
  2098
        break;
slouken@1895
  2099
    case SDL_GL_ACCELERATED_VISUAL:
slouken@1895
  2100
        _this->gl_config.accelerated = value;
slouken@1895
  2101
        break;
slouken@1895
  2102
    default:
slouken@1895
  2103
        SDL_SetError("Unknown OpenGL attribute");
slouken@1895
  2104
        retval = -1;
slouken@1895
  2105
        break;
slouken@1895
  2106
    }
slouken@1912
  2107
    return retval;
slouken@0
  2108
}
slouken@0
  2109
slouken@1895
  2110
int
slouken@1912
  2111
SDL_GL_GetWindowAttribute(SDL_WindowID windowID, SDL_GLattr attr, int *value)
slouken@0
  2112
{
slouken@1912
  2113
    SDL_Window *window = SDL_GetWindowFromID(windowID);
slouken@1912
  2114
    int retval;
slouken@1912
  2115
slouken@1912
  2116
    if (!window) {
slouken@1912
  2117
        return -1;
slouken@1912
  2118
    }
slouken@0
  2119
slouken@1895
  2120
    if (_this->GL_GetAttribute) {
slouken@1895
  2121
        retval = _this->GL_GetAttribute(_this, attr, value);
slouken@1895
  2122
    } else {
slouken@1895
  2123
        *value = 0;
slouken@1895
  2124
        SDL_SetError("GL_GetAttribute not supported");
slouken@1912
  2125
        retval = -1;
slouken@1895
  2126
    }
slouken@1895
  2127
    return retval;
slouken@0
  2128
}
slouken@0
  2129
slouken@1912
  2130
SDL_GLContext
slouken@1912
  2131
SDL_GL_CreateContext(SDL_WindowID windowID)
slouken@1912
  2132
{
slouken@1912
  2133
    SDL_Window *window = SDL_GetWindowFromID(windowID);
slouken@1912
  2134
slouken@1912
  2135
    if (!window) {
slouken@1912
  2136
        return NULL;
slouken@1912
  2137
    }
slouken@1912
  2138
    if (!(window->flags & SDL_WINDOW_OPENGL)) {
slouken@1912
  2139
        SDL_SetError("The specified window isn't an OpenGL window");
slouken@1912
  2140
        return NULL;
slouken@1912
  2141
    }
slouken@1912
  2142
    return _this->GL_CreateContext(_this, window);
slouken@1912
  2143
}
slouken@1912
  2144
slouken@1912
  2145
int
slouken@1912
  2146
SDL_GL_MakeCurrent(SDL_WindowID windowID, SDL_GLContext context)
slouken@1912
  2147
{
slouken@1912
  2148
    SDL_Window *window = SDL_GetWindowFromID(windowID);
slouken@1912
  2149
slouken@1912
  2150
    if (!window || !context) {
slouken@1912
  2151
        return -1;
slouken@1912
  2152
    }
slouken@1912
  2153
    if (!(window->flags & SDL_WINDOW_OPENGL)) {
slouken@1912
  2154
        SDL_SetError("The specified window isn't an OpenGL window");
slouken@1912
  2155
        return -1;
slouken@1912
  2156
    }
slouken@1912
  2157
    return _this->GL_MakeCurrent(_this, window, context);
slouken@1912
  2158
}
slouken@1912
  2159
slouken@1912
  2160
int
slouken@1912
  2161
SDL_GL_SetSwapInterval(int interval)
slouken@1912
  2162
{
slouken@1912
  2163
    if (!_this) {
slouken@1912
  2164
        SDL_UninitializedVideo();
slouken@1912
  2165
        return -1;
slouken@1912
  2166
    }
slouken@1912
  2167
slouken@1912
  2168
    if (_this->GL_SetSwapInterval) {
slouken@1912
  2169
        return _this->GL_SetSwapInterval(_this, interval);
slouken@1912
  2170
    } else {
slouken@1912
  2171
        SDL_SetError("Setting the swap interval is not supported");
slouken@1912
  2172
        return -1;
slouken@1912
  2173
    }
slouken@1912
  2174
}
slouken@1912
  2175
slouken@1912
  2176
int
slouken@1912
  2177
SDL_GL_GetSwapInterval(void)
slouken@1912
  2178
{
slouken@1912
  2179
    if (!_this) {
slouken@1912
  2180
        SDL_UninitializedVideo();
slouken@1912
  2181
        return -1;
slouken@1912
  2182
    }
slouken@1912
  2183
slouken@1912
  2184
    if (_this->GL_GetSwapInterval) {
slouken@1912
  2185
        return _this->GL_GetSwapInterval(_this);
slouken@1912
  2186
    } else {
slouken@1912
  2187
        SDL_SetError("Getting the swap interval is not supported");
slouken@1912
  2188
        return -1;
slouken@1912
  2189
    }
slouken@1912
  2190
}
slouken@1912
  2191
slouken@1895
  2192
void
slouken@1912
  2193
SDL_GL_SwapWindow(SDL_WindowID windowID)
slouken@0
  2194
{
slouken@1912
  2195
    SDL_Window *window = SDL_GetWindowFromID(windowID);
slouken@1912
  2196
slouken@1912
  2197
    if (!window) {
slouken@1912
  2198
        return;
slouken@1912
  2199
    }
slouken@1912
  2200
    if (!(window->flags & SDL_WINDOW_OPENGL)) {
slouken@1912
  2201
        SDL_SetError("The specified window isn't an OpenGL window");
slouken@1912
  2202
        return;
slouken@1912
  2203
    }
slouken@1912
  2204
    return _this->GL_SwapWindow(_this, window);
slouken@1912
  2205
}
slouken@1912
  2206
slouken@1912
  2207
void
slouken@1912
  2208
SDL_GL_DeleteContext(SDL_GLContext context)
slouken@1912
  2209
{
slouken@1912
  2210
    if (!_this || !context) {
slouken@1912
  2211
        return;
slouken@1912
  2212
    }
slouken@1912
  2213
    _this->GL_DeleteContext(_this, context);
slouken@0
  2214
}
slouken@0
  2215
slouken@1895
  2216
#if 0                           // FIXME
slouken@541
  2217
/* Utility function used by SDL_WM_SetIcon();
slouken@541
  2218
 * flags & 1 for color key, flags & 2 for alpha channel. */
slouken@1895
  2219
static void
slouken@1895
  2220
CreateMaskFromColorKeyOrAlpha(SDL_Surface * icon, Uint8 * mask, int flags)
slouken@0
  2221
{
slouken@1895
  2222
    int x, y;
slouken@1895
  2223
    Uint32 colorkey;
slouken@0
  2224
#define SET_MASKBIT(icon, x, y, mask) \
slouken@0
  2225
	mask[(y*((icon->w+7)/8))+(x/8)] &= ~(0x01<<(7-(x%8)))
slouken@0
  2226
slouken@1895
  2227
    colorkey = icon->format->colorkey;
slouken@1895
  2228
    switch (icon->format->BytesPerPixel) {
slouken@1895
  2229
    case 1:
slouken@1895
  2230
        {
slouken@1895
  2231
            Uint8 *pixels;
slouken@1895
  2232
            for (y = 0; y < icon->h; ++y) {
slouken@1895
  2233
                pixels = (Uint8 *) icon->pixels + y * icon->pitch;
slouken@1895
  2234
                for (x = 0; x < icon->w; ++x) {
slouken@1895
  2235
                    if (*pixels++ == colorkey) {
slouken@1895
  2236
                        SET_MASKBIT(icon, x, y, mask);
slouken@1895
  2237
                    }
slouken@1895
  2238
                }
slouken@1895
  2239
            }
slouken@1895
  2240
        }
slouken@1895
  2241
        break;
slouken@0
  2242
slouken@1895
  2243
    case 2:
slouken@1895
  2244
        {
slouken@1895
  2245
            Uint16 *pixels;
slouken@1895
  2246
            for (y = 0; y < icon->h; ++y) {
slouken@1895
  2247
                pixels = (Uint16 *) icon->pixels + y * icon->pitch / 2;
slouken@1895
  2248
                for (x = 0; x < icon->w; ++x) {
slouken@1895
  2249
                    if ((flags & 1) && *pixels == colorkey) {
slouken@1895
  2250
                        SET_MASKBIT(icon, x, y, mask);
slouken@1895
  2251
                    } else if ((flags & 2)
slouken@1895
  2252
                               && (*pixels & icon->format->Amask) == 0) {
slouken@1895
  2253
                        SET_MASKBIT(icon, x, y, mask);
slouken@1895
  2254
                    }
slouken@1895
  2255
                    pixels++;
slouken@1895
  2256
                }
slouken@1895
  2257
            }
slouken@1895
  2258
        }
slouken@1895
  2259
        break;
slouken@0
  2260
slouken@1895
  2261
    case 4:
slouken@1895
  2262
        {
slouken@1895
  2263
            Uint32 *pixels;
slouken@1895
  2264
            for (y = 0; y < icon->h; ++y) {
slouken@1895
  2265
                pixels = (Uint32 *) icon->pixels + y * icon->pitch / 4;
slouken@1895
  2266
                for (x = 0; x < icon->w; ++x) {
slouken@1895
  2267
                    if ((flags & 1) && *pixels == colorkey) {
slouken@1895
  2268
                        SET_MASKBIT(icon, x, y, mask);
slouken@1895
  2269
                    } else if ((flags & 2)
slouken@1895
  2270
                               && (*pixels & icon->format->Amask) == 0) {
slouken@1895
  2271
                        SET_MASKBIT(icon, x, y, mask);
slouken@1895
  2272
                    }
slouken@1895
  2273
                    pixels++;
slouken@1895
  2274
                }
slouken@1895
  2275
            }
slouken@1895
  2276
        }
slouken@1895
  2277
        break;
slouken@1895
  2278
    }
slouken@0
  2279
}
slouken@0
  2280
slouken@0
  2281
/*
slouken@0
  2282
 * Sets the window manager icon for the display window.
slouken@0
  2283
 */
slouken@1895
  2284
void
slouken@1895
  2285
SDL_WM_SetIcon(SDL_Surface * icon, Uint8 * mask)
slouken@0
  2286
{
slouken@1895
  2287
    if (icon && _this->SetIcon) {
slouken@1895
  2288
        /* Generate a mask if necessary, and create the icon! */
slouken@1895
  2289
        if (mask == NULL) {
slouken@1895
  2290
            int mask_len = icon->h * (icon->w + 7) / 8;
slouken@1895
  2291
            int flags = 0;
slouken@1895
  2292
            mask = (Uint8 *) SDL_malloc(mask_len);
slouken@1895
  2293
            if (mask == NULL) {
slouken@1895
  2294
                return;
slouken@1895
  2295
            }
slouken@1895
  2296
            SDL_memset(mask, ~0, mask_len);
slouken@1895
  2297
            if (icon->flags & SDL_SRCCOLORKEY)
slouken@1895
  2298
                flags |= 1;
slouken@1895
  2299
            if (icon->flags & SDL_SRCALPHA)
slouken@1895
  2300
                flags |= 2;
slouken@1895
  2301
            if (flags) {
slouken@1895
  2302
                CreateMaskFromColorKeyOrAlpha(icon, mask, flags);
slouken@1895
  2303
            }
slouken@1895
  2304
            _this->SetIcon(_this, icon, mask);
slouken@1895
  2305
            SDL_free(mask);
slouken@1895
  2306
        } else {
slouken@1895
  2307
            _this->SetIcon(_this, icon, mask);
slouken@1895
  2308
        }
slouken@1895
  2309
    }
slouken@1895
  2310
}
slouken@1895
  2311
#endif
slouken@0
  2312
slouken@1895
  2313
SDL_bool
slouken@1895
  2314
SDL_GetWindowWMInfo(SDL_WindowID windowID, struct SDL_SysWMinfo *info)
slouken@1895
  2315
{
slouken@1895
  2316
    SDL_Window *window = SDL_GetWindowFromID(windowID);
slouken@1895
  2317
slouken@1895
  2318
    if (!window || !_this->GetWindowWMInfo) {
slouken@1895
  2319
        return SDL_FALSE;
slouken@1895
  2320
    }
slouken@1895
  2321
    return (_this->GetWindowWMInfo(_this, window, info));
slouken@0
  2322
}
slouken@0
  2323
slouken@1895
  2324
/* vi: set ts=4 sw=4 expandtab: */