src/SDL_compat.c
author Holmes Futrell <hfutrell@umail.ucsb.edu>
Mon, 18 Aug 2008 19:39:08 +0000
branchgsoc2008_iphone
changeset 2467 058e1f140ff3
parent 2371 3eb72191bb7e
permissions -rw-r--r--
Fixed problem where creating the view passed NULL as the context for setting current context ... needed to actually pass the context.
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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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/* This file contains functions for backwards compatibility with SDL 1.2 */
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#include "SDL.h"
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#include "SDL_syswm.h"
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#include "video/SDL_sysvideo.h"
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#include "video/SDL_pixels_c.h"
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static SDL_WindowID SDL_VideoWindow = 0;
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static SDL_RendererInfo SDL_VideoRendererInfo;
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static SDL_TextureID SDL_VideoTexture = 0;
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static SDL_Surface *SDL_VideoSurface = NULL;
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static SDL_Surface *SDL_ShadowSurface = NULL;
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static SDL_Surface *SDL_PublicSurface = NULL;
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static SDL_GLContext *SDL_VideoContext = NULL;
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static char *wm_title = NULL;
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char *
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SDL_AudioDriverName(char *namebuf, int maxlen)
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{
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    const char *name = SDL_GetCurrentAudioDriver();
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    if (name) {
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        SDL_strlcpy(namebuf, name, maxlen);
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        return namebuf;
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    }
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    return NULL;
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}
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char *
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SDL_VideoDriverName(char *namebuf, int maxlen)
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{
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    const char *name = SDL_GetCurrentVideoDriver();
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    if (name) {
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        SDL_strlcpy(namebuf, name, maxlen);
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        return namebuf;
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    }
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    return NULL;
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}
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const SDL_VideoInfo *
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SDL_GetVideoInfo(void)
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{
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    static SDL_VideoInfo info;
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    SDL_DisplayMode mode;
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    /* Memory leak, compatibility code, who cares? */
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    if (!info.vfmt && SDL_GetDesktopDisplayMode(&mode) == 0) {
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        int bpp;
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        Uint32 Rmask, Gmask, Bmask, Amask;
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        SDL_PixelFormatEnumToMasks(mode.format, &bpp, &Rmask, &Gmask, &Bmask,
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                                   &Amask);
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        info.vfmt = SDL_AllocFormat(bpp, Rmask, Gmask, Bmask, Amask);
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    }
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    return &info;
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}
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int
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SDL_VideoModeOK(int width, int height, int bpp, Uint32 flags)
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{
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    int i, actual_bpp = 0;
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    if (!SDL_GetVideoDevice()) {
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        return 0;
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    }
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    if (!(flags & SDL_FULLSCREEN)) {
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        SDL_DisplayMode mode;
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        SDL_GetDesktopDisplayMode(&mode);
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        return SDL_BITSPERPIXEL(mode.format);
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    }
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    for (i = 0; i < SDL_GetNumDisplayModes(); ++i) {
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        SDL_DisplayMode mode;
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        SDL_GetDisplayMode(i, &mode);
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        if (!mode.w || !mode.h || (width == mode.w && height == mode.h)) {
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            if (!mode.format) {
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                return bpp;
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            }
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            if (SDL_BITSPERPIXEL(mode.format) >= (Uint32) bpp) {
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                actual_bpp = SDL_BITSPERPIXEL(mode.format);
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            }
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        }
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    }
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    return actual_bpp;
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}
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SDL_Rect **
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SDL_ListModes(SDL_PixelFormat * format, Uint32 flags)
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{
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    int i, nmodes;
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    SDL_Rect **modes;
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    if (!SDL_GetVideoDevice()) {
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        return NULL;
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    }
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    if (!(flags & SDL_FULLSCREEN)) {
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        return (SDL_Rect **) (-1);
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    }
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    /* Memory leak, but this is a compatibility function, who cares? */
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    nmodes = 0;
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    modes = NULL;
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    for (i = 0; i < SDL_GetNumDisplayModes(); ++i) {
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        SDL_DisplayMode mode;
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        SDL_GetDisplayMode(i, &mode);
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        if (!mode.w || !mode.h) {
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            return (SDL_Rect **) (-1);
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        }
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        if (SDL_BITSPERPIXEL(mode.format) != format->BitsPerPixel) {
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            continue;
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        }
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        if (nmodes > 0 && modes[nmodes - 1]->w == mode.w
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            && modes[nmodes - 1]->h == mode.h) {
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            continue;
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        }
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        modes = SDL_realloc(modes, (nmodes + 2) * sizeof(*modes));
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        if (!modes) {
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            return NULL;
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        }
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        modes[nmodes] = (SDL_Rect *) SDL_malloc(sizeof(SDL_Rect));
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        if (!modes[nmodes]) {
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            return NULL;
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        }
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        modes[nmodes]->x = 0;
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        modes[nmodes]->y = 0;
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        modes[nmodes]->w = mode.w;
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        modes[nmodes]->h = mode.h;
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        ++nmodes;
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    }
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    if (modes) {
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        modes[nmodes] = NULL;
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    }
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    return modes;
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}
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static int
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SDL_CompatEventFilter(void *userdata, SDL_Event * event)
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{
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    SDL_Event fake;
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    switch (event->type) {
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    case SDL_WINDOWEVENT:
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        switch (event->window.event) {
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        case SDL_WINDOWEVENT_EXPOSED:
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            if (!SDL_HasEvent(SDL_VIDEOEXPOSEMASK)) {
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                fake.type = SDL_VIDEOEXPOSE;
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                SDL_PushEvent(&fake);
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            }
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            break;
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        case SDL_WINDOWEVENT_RESIZED:
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            fake.type = SDL_VIDEORESIZE;
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            fake.resize.w = event->window.data1;
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            fake.resize.h = event->window.data2;
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            SDL_PushEvent(&fake);
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            break;
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        case SDL_WINDOWEVENT_MINIMIZED:
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            fake.type = SDL_ACTIVEEVENT;
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            fake.active.gain = 0;
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            fake.active.state = SDL_APPACTIVE;
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            SDL_PushEvent(&fake);
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            break;
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        case SDL_WINDOWEVENT_RESTORED:
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            fake.type = SDL_ACTIVEEVENT;
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            fake.active.gain = 1;
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            fake.active.state = SDL_APPACTIVE;
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            SDL_PushEvent(&fake);
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            break;
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        case SDL_WINDOWEVENT_ENTER:
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            fake.type = SDL_ACTIVEEVENT;
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            fake.active.gain = 1;
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            fake.active.state = SDL_APPMOUSEFOCUS;
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            SDL_PushEvent(&fake);
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            break;
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        case SDL_WINDOWEVENT_LEAVE:
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            fake.type = SDL_ACTIVEEVENT;
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            fake.active.gain = 0;
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            fake.active.state = SDL_APPMOUSEFOCUS;
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            SDL_PushEvent(&fake);
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            break;
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        case SDL_WINDOWEVENT_FOCUS_GAINED:
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            fake.type = SDL_ACTIVEEVENT;
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            fake.active.gain = 1;
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            fake.active.state = SDL_APPINPUTFOCUS;
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            SDL_PushEvent(&fake);
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            break;
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        case SDL_WINDOWEVENT_FOCUS_LOST:
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            fake.type = SDL_ACTIVEEVENT;
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            fake.active.gain = 0;
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            fake.active.state = SDL_APPINPUTFOCUS;
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            SDL_PushEvent(&fake);
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            break;
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        case SDL_WINDOWEVENT_CLOSE:
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            fake.type = SDL_QUIT;
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            SDL_PushEvent(&fake);
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            break;
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        }
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    case SDL_KEYDOWN:
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    case SDL_KEYUP:
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        {
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            Uint32 unicode = 0;
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            if (event->key.type == SDL_KEYDOWN && event->key.keysym.sym < 256) {
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                unicode = event->key.keysym.sym;
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                if (unicode >= 'a' && unicode <= 'z') {
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                    int shifted = !!(event->key.keysym.mod & KMOD_SHIFT);
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                    int capslock = !!(event->key.keysym.mod & KMOD_CAPS);
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                    if ((shifted ^ capslock) != 0) {
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                        unicode = SDL_toupper(unicode);
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                    }
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                }
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            }
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            if (unicode) {
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                event->key.keysym.unicode = unicode;
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            }
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            break;
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        }
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    case SDL_TEXTINPUT:
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        {
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            /* FIXME: Generate an old style key repeat event if needed */
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            //printf("TEXTINPUT: '%s'\n", event->text.text);
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            break;
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        }
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    case SDL_MOUSEWHEEL:
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        {
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            Uint8 button;
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            int selected;
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            int x, y;
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            if (event->wheel.y == 0) {
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                break;
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            }
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            selected = SDL_SelectMouse(event->wheel.which);
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            SDL_GetMouseState(&x, &y);
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            SDL_SelectMouse(selected);
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            if (event->wheel.y > 0) {
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                button = SDL_BUTTON_WHEELUP;
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            } else {
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                button = SDL_BUTTON_WHEELDOWN;
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            }
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            fake.button.which = event->wheel.windowID;
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            fake.button.button = button;
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            fake.button.x = x;
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            fake.button.y = y;
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            fake.button.windowID = event->wheel.windowID;
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            fake.type = SDL_MOUSEBUTTONDOWN;
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            fake.button.state = SDL_PRESSED;
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            SDL_PushEvent(&fake);
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            fake.type = SDL_MOUSEBUTTONUP;
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            fake.button.state = SDL_RELEASED;
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            SDL_PushEvent(&fake);
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            break;
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        }
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    }
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    return 1;
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}
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static int
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SDL_VideoPaletteChanged(void *userdata, SDL_Palette * palette)
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{
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    if (userdata == SDL_ShadowSurface) {
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        /* If the shadow palette changed, make the changes visible */
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        if (!SDL_VideoSurface->format->palette) {
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            SDL_UpdateRect(SDL_ShadowSurface, 0, 0, 0, 0);
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        }
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    }
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    if (userdata == SDL_VideoSurface) {
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        if (SDL_SetDisplayPalette(palette->colors, 0, palette->ncolors) < 0) {
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            return -1;
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        }
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        if (SDL_SetTexturePalette
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            (SDL_VideoTexture, palette->colors, 0, palette->ncolors) < 0) {
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            return -1;
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        }
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    }
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    return 0;
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}
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static void
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GetEnvironmentWindowPosition(int w, int h, int *x, int *y)
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{
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    const char *window = SDL_getenv("SDL_VIDEO_WINDOW_POS");
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    const char *center = SDL_getenv("SDL_VIDEO_CENTERED");
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    if (window) {
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        if (SDL_sscanf(window, "%d,%d", x, y) == 2) {
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            return;
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        }
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        if (SDL_strcmp(window, "center") == 0) {
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            center = window;
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        }
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   321
    }
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   322
    if (center) {
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        SDL_DisplayMode mode;
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        SDL_GetDesktopDisplayMode(&mode);
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        *x = (mode.w - w) / 2;
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        *y = (mode.h - h) / 2;
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    }
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   328
}
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   329
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static SDL_Surface *
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   331
CreateVideoSurface(SDL_TextureID textureID)
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   332
{
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   333
    SDL_Surface *surface;
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   334
    Uint32 format;
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   335
    int w, h;
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   336
    int bpp;
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   337
    Uint32 Rmask, Gmask, Bmask, Amask;
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   338
    void *pixels;
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   339
    int pitch;
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   340
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   341
    if (SDL_QueryTexture(textureID, &format, NULL, &w, &h) < 0) {
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   342
        return NULL;
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   343
    }
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   344
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   345
    if (!SDL_PixelFormatEnumToMasks
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   346
        (format, &bpp, &Rmask, &Gmask, &Bmask, &Amask)) {
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   347
        SDL_SetError("Unknown texture format");
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   348
        return NULL;
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   349
    }
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   350
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   351
    if (SDL_QueryTexturePixels(textureID, &pixels, &pitch) == 0) {
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   352
        surface =
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            SDL_CreateRGBSurfaceFrom(pixels, w, h, bpp, pitch, Rmask, Gmask,
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                                     Bmask, Amask);
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    } else {
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   356
        surface =
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   357
            SDL_CreateRGBSurface(0, w, h, bpp, Rmask, Gmask, Bmask, Amask);
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   358
    }
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   359
    return surface;
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   360
}
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   361
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   362
SDL_Surface *
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   363
SDL_SetVideoMode(int width, int height, int bpp, Uint32 flags)
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   364
{
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   365
    SDL_DisplayMode desktop_mode;
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   366
    SDL_DisplayMode mode;
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   367
    int window_x = SDL_WINDOWPOS_UNDEFINED;
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   368
    int window_y = SDL_WINDOWPOS_UNDEFINED;
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   369
    Uint32 window_flags;
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   370
    Uint32 desktop_format;
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   371
    Uint32 desired_format;
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   372
    Uint32 surface_flags;
slouken@1895
   373
slouken@1895
   374
    if (!SDL_GetVideoDevice()) {
slouken@1895
   375
        if (SDL_Init(SDL_INIT_VIDEO | SDL_INIT_NOPARACHUTE) < 0) {
slouken@1895
   376
            return NULL;
slouken@1895
   377
        }
slouken@1895
   378
    }
slouken@1895
   379
slouken@1895
   380
    /* Destroy existing window */
slouken@1895
   381
    SDL_PublicSurface = NULL;
slouken@1895
   382
    if (SDL_ShadowSurface) {
slouken@1895
   383
        SDL_FreeSurface(SDL_ShadowSurface);
slouken@1895
   384
        SDL_ShadowSurface = NULL;
slouken@1895
   385
    }
slouken@1895
   386
    if (SDL_VideoSurface) {
slouken@1895
   387
        SDL_DelPaletteWatch(SDL_VideoSurface->format->palette,
slouken@1895
   388
                            SDL_VideoPaletteChanged, NULL);
slouken@1895
   389
        SDL_FreeSurface(SDL_VideoSurface);
slouken@1895
   390
        SDL_VideoSurface = NULL;
slouken@1895
   391
    }
slouken@1912
   392
    if (SDL_VideoContext) {
bob@2328
   393
        /* SDL_GL_MakeCurrent(0, NULL); *//* Doesn't do anything */
slouken@1912
   394
        SDL_GL_DeleteContext(SDL_VideoContext);
slouken@1912
   395
        SDL_VideoContext = NULL;
slouken@1912
   396
    }
slouken@1895
   397
    if (SDL_VideoWindow) {
slouken@1895
   398
        SDL_GetWindowPosition(SDL_VideoWindow, &window_x, &window_y);
bob@2322
   399
        SDL_DestroyWindow(SDL_VideoWindow);
slouken@1895
   400
    }
slouken@1895
   401
slouken@1895
   402
    /* Set up the event filter */
slouken@1895
   403
    if (!SDL_GetEventFilter(NULL, NULL)) {
slouken@1895
   404
        SDL_SetEventFilter(SDL_CompatEventFilter, NULL);
slouken@1895
   405
    }
slouken@1895
   406
slouken@1895
   407
    /* Create a new window */
slouken@1895
   408
    window_flags = SDL_WINDOW_SHOWN;
slouken@1895
   409
    if (flags & SDL_FULLSCREEN) {
slouken@1895
   410
        window_flags |= SDL_WINDOW_FULLSCREEN;
slouken@1895
   411
    }
slouken@1895
   412
    if (flags & SDL_OPENGL) {
slouken@1895
   413
        window_flags |= SDL_WINDOW_OPENGL;
slouken@1895
   414
    }
slouken@1895
   415
    if (flags & SDL_RESIZABLE) {
slouken@1895
   416
        window_flags |= SDL_WINDOW_RESIZABLE;
slouken@1895
   417
    }
slouken@1895
   418
    if (flags & SDL_NOFRAME) {
slouken@1895
   419
        window_flags |= SDL_WINDOW_BORDERLESS;
slouken@1895
   420
    }
slouken@1895
   421
    GetEnvironmentWindowPosition(width, height, &window_x, &window_y);
slouken@1895
   422
    SDL_SetFullscreenDisplayMode(NULL);
slouken@1895
   423
    SDL_VideoWindow =
slouken@1895
   424
        SDL_CreateWindow(wm_title, window_x, window_y, width, height,
slouken@1895
   425
                         window_flags);
slouken@1895
   426
    if (!SDL_VideoWindow) {
slouken@1895
   427
        return NULL;
slouken@1895
   428
    }
slouken@1895
   429
slouken@1895
   430
    window_flags = SDL_GetWindowFlags(SDL_VideoWindow);
slouken@1895
   431
    surface_flags = 0;
slouken@1895
   432
    if (window_flags & SDL_WINDOW_FULLSCREEN) {
slouken@1895
   433
        surface_flags |= SDL_FULLSCREEN;
slouken@1895
   434
    }
slouken@1895
   435
    if (window_flags & SDL_WINDOW_OPENGL) {
slouken@1895
   436
        surface_flags |= SDL_OPENGL;
slouken@1895
   437
    }
slouken@1895
   438
    if (window_flags & SDL_WINDOW_RESIZABLE) {
slouken@1895
   439
        surface_flags |= SDL_RESIZABLE;
slouken@1895
   440
    }
slouken@1895
   441
    if (window_flags & SDL_WINDOW_BORDERLESS) {
slouken@1895
   442
        surface_flags |= SDL_NOFRAME;
slouken@1895
   443
    }
slouken@1895
   444
slouken@1895
   445
    /* Set up the desired display mode */
slouken@1967
   446
    SDL_GetDesktopDisplayMode(&desktop_mode);
slouken@1967
   447
    desktop_format = desktop_mode.format;
slouken@1895
   448
    if (desktop_format && ((flags & SDL_ANYFORMAT)
slouken@1895
   449
                           || (bpp == SDL_BITSPERPIXEL(desktop_format)))) {
slouken@1895
   450
        desired_format = desktop_format;
slouken@1895
   451
    } else {
slouken@1895
   452
        switch (bpp) {
slouken@1895
   453
        case 0:
slouken@1895
   454
            if (desktop_format) {
slouken@1895
   455
                desired_format = desktop_format;
slouken@1895
   456
            } else {
slouken@1965
   457
                desired_format = SDL_PIXELFORMAT_RGB888;
slouken@1895
   458
            }
slouken@2240
   459
            bpp = SDL_BITSPERPIXEL(desired_format);
slouken@1895
   460
            break;
slouken@1895
   461
        case 8:
slouken@1965
   462
            desired_format = SDL_PIXELFORMAT_INDEX8;
slouken@1895
   463
            break;
slouken@1895
   464
        case 15:
slouken@1965
   465
            desired_format = SDL_PIXELFORMAT_RGB555;
slouken@1895
   466
            break;
slouken@1895
   467
        case 16:
slouken@1965
   468
            desired_format = SDL_PIXELFORMAT_RGB565;
slouken@1895
   469
            break;
slouken@1895
   470
        case 24:
slouken@1965
   471
            desired_format = SDL_PIXELFORMAT_RGB24;
slouken@1895
   472
            break;
slouken@1895
   473
        case 32:
slouken@1965
   474
            desired_format = SDL_PIXELFORMAT_RGB888;
slouken@1895
   475
            break;
slouken@1895
   476
        default:
slouken@1895
   477
            SDL_SetError("Unsupported bpp in SDL_SetVideoMode()");
slouken@1895
   478
            return NULL;
slouken@1895
   479
        }
slouken@1895
   480
    }
slouken@1895
   481
    mode.format = desired_format;
slouken@1895
   482
    mode.w = width;
slouken@1895
   483
    mode.h = height;
slouken@1895
   484
    mode.refresh_rate = 0;
slouken@1895
   485
slouken@1895
   486
    /* Set the desired display mode */
slouken@1895
   487
    if (flags & SDL_FULLSCREEN) {
slouken@1895
   488
        if (SDL_SetFullscreenDisplayMode(&mode) < 0) {
slouken@1895
   489
            return NULL;
slouken@1895
   490
        }
slouken@1895
   491
    }
slouken@1895
   492
slouken@1895
   493
    /* If we're in OpenGL mode, just create a stub surface and we're done! */
slouken@1895
   494
    if (flags & SDL_OPENGL) {
slouken@1912
   495
        SDL_VideoContext = SDL_GL_CreateContext(SDL_VideoWindow);
slouken@1912
   496
        if (!SDL_VideoContext) {
slouken@1912
   497
            return NULL;
slouken@1912
   498
        }
slouken@1912
   499
        if (SDL_GL_MakeCurrent(SDL_VideoWindow, SDL_VideoContext) < 0) {
slouken@1912
   500
            return NULL;
slouken@1912
   501
        }
slouken@1895
   502
        SDL_VideoSurface =
slouken@1895
   503
            SDL_CreateRGBSurfaceFrom(NULL, width, height, bpp, 0, 0, 0, 0, 0);
slouken@1895
   504
        if (!SDL_VideoSurface) {
slouken@1895
   505
            return NULL;
slouken@1895
   506
        }
slouken@1895
   507
        SDL_VideoSurface->flags |= surface_flags;
slouken@1895
   508
        SDL_PublicSurface = SDL_VideoSurface;
slouken@1895
   509
        return SDL_PublicSurface;
slouken@1895
   510
    }
slouken@1895
   511
slouken@1895
   512
    /* Create a renderer for the window */
slouken@1907
   513
    if (SDL_CreateRenderer
slouken@1907
   514
        (SDL_VideoWindow, -1,
slouken@1965
   515
         SDL_RENDERER_SINGLEBUFFER | SDL_RENDERER_PRESENTDISCARD) < 0) {
slouken@1895
   516
        return NULL;
slouken@1895
   517
    }
slouken@2222
   518
    SDL_GetRendererInfo(&SDL_VideoRendererInfo);
slouken@1895
   519
slouken@1895
   520
    /* Create a texture for the screen surface */
slouken@1895
   521
    SDL_VideoTexture =
slouken@2222
   522
        SDL_CreateTexture(desired_format, SDL_TEXTUREACCESS_STREAMING, width,
slouken@1895
   523
                          height);
hfutrell@2371
   524
		
slouken@1895
   525
    if (!SDL_VideoTexture) {
slouken@1895
   526
        SDL_VideoTexture =
hfutrell@2371
   527
            SDL_CreateTexture(SDL_PIXELFORMAT_ABGR8888,
slouken@2222
   528
                              SDL_TEXTUREACCESS_STREAMING, width, height);
slouken@1895
   529
    }
slouken@1895
   530
    if (!SDL_VideoTexture) {
slouken@1895
   531
        return NULL;
slouken@1895
   532
    }
hfutrell@2371
   533
	
hfutrell@2371
   534
	SDL_SetTextureBlendMode(SDL_VideoTexture, SDL_TEXTUREBLENDMODE_NONE);
hfutrell@2371
   535
slouken@1895
   536
slouken@1895
   537
    /* Create the screen surface */
slouken@2222
   538
    SDL_VideoSurface = CreateVideoSurface(SDL_VideoTexture);
slouken@1895
   539
    if (!SDL_VideoSurface) {
slouken@1895
   540
        return NULL;
slouken@1895
   541
    }
slouken@1895
   542
    SDL_VideoSurface->flags |= surface_flags;
slouken@1895
   543
slouken@1895
   544
    /* Set a default screen palette */
slouken@1895
   545
    if (SDL_VideoSurface->format->palette) {
slouken@1895
   546
        SDL_VideoSurface->flags |= SDL_HWPALETTE;
slouken@1895
   547
        SDL_DitherColors(SDL_VideoSurface->format->palette->colors,
slouken@1895
   548
                         SDL_VideoSurface->format->BitsPerPixel);
slouken@1895
   549
        SDL_AddPaletteWatch(SDL_VideoSurface->format->palette,
slouken@1895
   550
                            SDL_VideoPaletteChanged, NULL);
slouken@1895
   551
        SDL_SetPaletteColors(SDL_VideoSurface->format->palette,
slouken@1895
   552
                             SDL_VideoSurface->format->palette->colors, 0,
slouken@1895
   553
                             SDL_VideoSurface->format->palette->ncolors);
slouken@1895
   554
    }
slouken@1895
   555
slouken@1895
   556
    /* Create a shadow surface if necessary */
slouken@2222
   557
    if ((bpp != SDL_VideoSurface->format->BitsPerPixel)
slouken@2222
   558
        && !(flags & SDL_ANYFORMAT)) {
slouken@2222
   559
        SDL_ShadowSurface =
slouken@2222
   560
            SDL_CreateRGBSurface(0, width, height, bpp, 0, 0, 0, 0);
slouken@1895
   561
        if (!SDL_ShadowSurface) {
slouken@1895
   562
            return NULL;
slouken@1895
   563
        }
slouken@1895
   564
        SDL_ShadowSurface->flags |= surface_flags;
slouken@1895
   565
slouken@1895
   566
        /* 8-bit SDL_ShadowSurface surfaces report that they have exclusive palette */
slouken@1895
   567
        if (SDL_ShadowSurface->format->palette) {
slouken@1895
   568
            SDL_ShadowSurface->flags |= SDL_HWPALETTE;
slouken@1895
   569
            if (SDL_VideoSurface->format->palette) {
slouken@1895
   570
                SDL_SetSurfacePalette(SDL_ShadowSurface,
slouken@1895
   571
                                      SDL_VideoSurface->format->palette);
slouken@1895
   572
            } else {
slouken@1895
   573
                SDL_DitherColors(SDL_ShadowSurface->format->palette->colors,
slouken@1895
   574
                                 SDL_ShadowSurface->format->BitsPerPixel);
slouken@1895
   575
            }
slouken@1895
   576
        }
slouken@1895
   577
    }
slouken@1895
   578
    SDL_PublicSurface =
slouken@1895
   579
        (SDL_ShadowSurface ? SDL_ShadowSurface : SDL_VideoSurface);
slouken@1895
   580
slouken@1895
   581
    /* Clear the surface for display */
slouken@1895
   582
    SDL_FillRect(SDL_PublicSurface, NULL, 0);
slouken@1897
   583
    SDL_UpdateRect(SDL_PublicSurface, 0, 0, 0, 0);
slouken@1895
   584
slouken@1895
   585
    /* We're finally done! */
slouken@1895
   586
    return SDL_PublicSurface;
slouken@1895
   587
}
slouken@1895
   588
slouken@1895
   589
SDL_Surface *
slouken@1895
   590
SDL_GetVideoSurface(void)
slouken@1895
   591
{
slouken@1895
   592
    return SDL_PublicSurface;
slouken@1895
   593
}
slouken@1895
   594
slouken@2266
   595
int
slouken@2266
   596
SDL_SetAlpha(SDL_Surface * surface, Uint32 flag, Uint8 value)
slouken@2266
   597
{
slouken@2266
   598
    if (flag & SDL_RLEACCEL) {
slouken@2266
   599
        SDL_SetSurfaceRLE(surface, 1);
slouken@2266
   600
    }
slouken@2266
   601
    if (flag) {
slouken@2266
   602
        SDL_SetSurfaceAlphaMod(surface, value);
slouken@2266
   603
        SDL_SetSurfaceBlendMode(surface, SDL_TEXTUREBLENDMODE_BLEND);
slouken@2266
   604
    } else {
slouken@2266
   605
        SDL_SetSurfaceAlphaMod(surface, 0xFF);
slouken@2266
   606
        SDL_SetSurfaceBlendMode(surface, SDL_TEXTUREBLENDMODE_NONE);
slouken@2266
   607
    }
slouken@2266
   608
    return 0;
slouken@2266
   609
}
slouken@2266
   610
slouken@1895
   611
SDL_Surface *
slouken@1895
   612
SDL_DisplayFormat(SDL_Surface * surface)
slouken@1895
   613
{
slouken@2267
   614
    SDL_Surface *converted;
slouken@1895
   615
slouken@1895
   616
    if (!SDL_PublicSurface) {
slouken@1895
   617
        SDL_SetError("No video mode has been set");
slouken@1895
   618
        return NULL;
slouken@1895
   619
    }
slouken@1895
   620
slouken@1895
   621
    /* Set the flags appropriate for copying to display surface */
slouken@2267
   622
    converted = SDL_ConvertSurface(surface, SDL_PublicSurface->format, 0);
slouken@2267
   623
    SDL_SetSurfaceRLE(converted, 1);
slouken@2267
   624
    return converted;
slouken@1895
   625
}
slouken@1895
   626
slouken@1895
   627
SDL_Surface *
slouken@1895
   628
SDL_DisplayFormatAlpha(SDL_Surface * surface)
slouken@1895
   629
{
slouken@1895
   630
    SDL_PixelFormat *vf;
slouken@1895
   631
    SDL_PixelFormat *format;
slouken@1895
   632
    SDL_Surface *converted;
slouken@1895
   633
    /* default to ARGB8888 */
slouken@1895
   634
    Uint32 amask = 0xff000000;
slouken@1895
   635
    Uint32 rmask = 0x00ff0000;
slouken@1895
   636
    Uint32 gmask = 0x0000ff00;
slouken@1895
   637
    Uint32 bmask = 0x000000ff;
slouken@1895
   638
slouken@1895
   639
    if (!SDL_PublicSurface) {
slouken@1895
   640
        SDL_SetError("No video mode has been set");
slouken@1895
   641
        return NULL;
slouken@1895
   642
    }
slouken@1895
   643
    vf = SDL_PublicSurface->format;
slouken@1895
   644
slouken@1895
   645
    switch (vf->BytesPerPixel) {
slouken@1895
   646
    case 2:
slouken@1895
   647
        /* For XGY5[56]5, use, AXGY8888, where {X, Y} = {R, B}.
slouken@1895
   648
           For anything else (like ARGB4444) it doesn't matter
slouken@1895
   649
           since we have no special code for it anyway */
slouken@1895
   650
        if ((vf->Rmask == 0x1f) &&
slouken@1895
   651
            (vf->Bmask == 0xf800 || vf->Bmask == 0x7c00)) {
slouken@1895
   652
            rmask = 0xff;
slouken@1895
   653
            bmask = 0xff0000;
slouken@1895
   654
        }
slouken@1895
   655
        break;
slouken@1895
   656
slouken@1895
   657
    case 3:
slouken@1895
   658
    case 4:
slouken@1895
   659
        /* Keep the video format, as long as the high 8 bits are
slouken@1895
   660
           unused or alpha */
slouken@1895
   661
        if ((vf->Rmask == 0xff) && (vf->Bmask == 0xff0000)) {
slouken@1895
   662
            rmask = 0xff;
slouken@1895
   663
            bmask = 0xff0000;
slouken@1895
   664
        }
slouken@1895
   665
        break;
slouken@1895
   666
slouken@1895
   667
    default:
slouken@1895
   668
        /* We have no other optimised formats right now. When/if a new
slouken@1895
   669
           optimised alpha format is written, add the converter here */
slouken@1895
   670
        break;
slouken@1895
   671
    }
slouken@1895
   672
    format = SDL_AllocFormat(32, rmask, gmask, bmask, amask);
slouken@2267
   673
    converted = SDL_ConvertSurface(surface, format, 0);
slouken@2267
   674
    SDL_SetSurfaceRLE(converted, 1);
slouken@1895
   675
    SDL_FreeFormat(format);
slouken@1895
   676
    return converted;
slouken@1895
   677
}
slouken@1895
   678
slouken@1895
   679
int
slouken@1895
   680
SDL_Flip(SDL_Surface * screen)
slouken@1895
   681
{
slouken@1895
   682
    SDL_UpdateRect(screen, 0, 0, 0, 0);
slouken@1895
   683
    return 0;
slouken@1895
   684
}
slouken@1895
   685
slouken@1895
   686
void
slouken@1895
   687
SDL_UpdateRect(SDL_Surface * screen, Sint32 x, Sint32 y, Uint32 w, Uint32 h)
slouken@1895
   688
{
slouken@1895
   689
    if (screen) {
slouken@1895
   690
        SDL_Rect rect;
slouken@1895
   691
slouken@1895
   692
        /* Fill the rectangle */
slouken@1897
   693
        rect.x = (int) x;
slouken@1897
   694
        rect.y = (int) y;
slouken@1897
   695
        rect.w = (int) (w ? w : screen->w);
slouken@1897
   696
        rect.h = (int) (h ? h : screen->h);
slouken@1895
   697
        SDL_UpdateRects(screen, 1, &rect);
slouken@1895
   698
    }
slouken@1895
   699
}
slouken@1895
   700
void
slouken@1895
   701
SDL_UpdateRects(SDL_Surface * screen, int numrects, SDL_Rect * rects)
slouken@1895
   702
{
slouken@1895
   703
    int i;
slouken@1895
   704
slouken@1895
   705
    if (screen == SDL_ShadowSurface) {
slouken@1895
   706
        for (i = 0; i < numrects; ++i) {
slouken@1895
   707
            SDL_LowerBlit(SDL_ShadowSurface, &rects[i], SDL_VideoSurface,
slouken@1895
   708
                          &rects[i]);
slouken@1895
   709
        }
slouken@1895
   710
slouken@1895
   711
        /* Fall through to video surface update */
slouken@1895
   712
        screen = SDL_VideoSurface;
slouken@1895
   713
    }
slouken@1895
   714
    if (screen == SDL_VideoSurface) {
slouken@2222
   715
        if (screen->flags & SDL_PREALLOC) {
slouken@2222
   716
            /* The surface memory is maintained by the renderer */
slouken@2222
   717
            SDL_DirtyTexture(SDL_VideoTexture, numrects, rects);
slouken@2222
   718
        } else {
slouken@2222
   719
            /* The surface memory needs to be copied to texture */
slouken@2222
   720
            int pitch = screen->pitch;
slouken@2222
   721
            int psize = screen->format->BytesPerPixel;
slouken@2222
   722
            for (i = 0; i < numrects; ++i) {
slouken@2222
   723
                const SDL_Rect *rect = &rects[i];
slouken@2222
   724
                void *pixels =
slouken@2222
   725
                    (Uint8 *) screen->pixels + rect->y * pitch +
slouken@2222
   726
                    rect->x * psize;
slouken@2222
   727
                SDL_UpdateTexture(SDL_VideoTexture, rect, pixels, pitch);
slouken@2222
   728
            }
slouken@2222
   729
        }
slouken@1965
   730
        if (SDL_VideoRendererInfo.flags & SDL_RENDERER_PRESENTCOPY) {
slouken@1907
   731
            for (i = 0; i < numrects; ++i) {
slouken@1985
   732
                SDL_RenderCopy(SDL_VideoTexture, &rects[i], &rects[i]);
slouken@1907
   733
            }
slouken@1907
   734
        } else {
slouken@1907
   735
            SDL_Rect rect;
slouken@1907
   736
            rect.x = 0;
slouken@1907
   737
            rect.y = 0;
slouken@1907
   738
            rect.w = screen->w;
slouken@1907
   739
            rect.h = screen->h;
slouken@1985
   740
            SDL_RenderCopy(SDL_VideoTexture, &rect, &rect);
slouken@1895
   741
        }
slouken@1895
   742
        SDL_RenderPresent();
slouken@1895
   743
    }
slouken@1895
   744
}
slouken@1895
   745
slouken@1895
   746
void
slouken@1895
   747
SDL_WM_SetCaption(const char *title, const char *icon)
slouken@1895
   748
{
slouken@1895
   749
    if (wm_title) {
slouken@1895
   750
        SDL_free(wm_title);
slouken@2037
   751
    }
slouken@2037
   752
    if (title) {
slouken@2037
   753
        wm_title = SDL_strdup(title);
slouken@1895
   754
    } else {
slouken@2037
   755
        wm_title = NULL;
slouken@1895
   756
    }
slouken@1895
   757
    SDL_SetWindowTitle(SDL_VideoWindow, wm_title);
slouken@1895
   758
}
slouken@1895
   759
slouken@1895
   760
void
slouken@2037
   761
SDL_WM_GetCaption(const char **title, const char **icon)
slouken@1895
   762
{
slouken@1895
   763
    if (title) {
slouken@1895
   764
        *title = wm_title;
slouken@1895
   765
    }
slouken@1895
   766
    if (icon) {
slouken@1895
   767
        *icon = "";
slouken@1895
   768
    }
slouken@1895
   769
}
slouken@1895
   770
slouken@1895
   771
void
slouken@1895
   772
SDL_WM_SetIcon(SDL_Surface * icon, Uint8 * mask)
slouken@1895
   773
{
slouken@1895
   774
    /* FIXME */
slouken@1895
   775
}
slouken@1895
   776
slouken@1895
   777
int
slouken@1895
   778
SDL_WM_IconifyWindow(void)
slouken@1895
   779
{
slouken@1895
   780
    SDL_MinimizeWindow(SDL_VideoWindow);
slouken@1895
   781
    return 0;
slouken@1895
   782
}
slouken@1895
   783
slouken@1895
   784
int
slouken@1895
   785
SDL_WM_ToggleFullScreen(SDL_Surface * surface)
slouken@1895
   786
{
slouken@1895
   787
    if (SDL_GetWindowFlags(SDL_VideoWindow) & SDL_WINDOW_FULLSCREEN) {
slouken@1895
   788
        if (SDL_SetWindowFullscreen(SDL_VideoWindow, 0) < 0) {
slouken@1895
   789
            return 0;
slouken@1895
   790
        }
slouken@1895
   791
        SDL_PublicSurface->flags &= ~SDL_FULLSCREEN;
slouken@1895
   792
    } else {
slouken@1895
   793
        if (SDL_SetWindowFullscreen(SDL_VideoWindow, 1) < 0) {
slouken@1895
   794
            return 0;
slouken@1895
   795
        }
slouken@1895
   796
        SDL_PublicSurface->flags |= SDL_FULLSCREEN;
slouken@1895
   797
    }
slouken@1895
   798
    return 1;
slouken@1895
   799
}
slouken@1895
   800
slouken@1895
   801
SDL_GrabMode
slouken@1895
   802
SDL_WM_GrabInput(SDL_GrabMode mode)
slouken@1895
   803
{
slouken@1895
   804
    if (mode != SDL_GRAB_QUERY) {
slouken@1895
   805
        SDL_SetWindowGrab(SDL_VideoWindow, mode);
slouken@1895
   806
    }
slouken@1895
   807
    return (SDL_GrabMode) SDL_GetWindowGrab(SDL_VideoWindow);
slouken@1895
   808
}
slouken@1895
   809
slouken@1895
   810
void
slouken@1895
   811
SDL_WarpMouse(Uint16 x, Uint16 y)
slouken@1895
   812
{
slouken@1895
   813
    SDL_WarpMouseInWindow(SDL_VideoWindow, x, y);
slouken@1895
   814
}
slouken@1895
   815
slouken@1895
   816
Uint8
slouken@1895
   817
SDL_GetAppState(void)
slouken@1895
   818
{
slouken@1895
   819
    Uint8 state = 0;
slouken@1895
   820
    Uint32 flags = 0;
slouken@1895
   821
slouken@1895
   822
    flags = SDL_GetWindowFlags(SDL_VideoWindow);
slouken@1895
   823
    if ((flags & SDL_WINDOW_SHOWN) && !(flags & SDL_WINDOW_MINIMIZED)) {
slouken@1895
   824
        state |= SDL_APPACTIVE;
slouken@1895
   825
    }
slouken@1895
   826
    if (flags & SDL_WINDOW_INPUT_FOCUS) {
slouken@1895
   827
        state |= SDL_APPINPUTFOCUS;
slouken@1895
   828
    }
slouken@1895
   829
    if (flags & SDL_WINDOW_MOUSE_FOCUS) {
slouken@1895
   830
        state |= SDL_APPMOUSEFOCUS;
slouken@1895
   831
    }
slouken@1895
   832
    return state;
slouken@1895
   833
}
slouken@1895
   834
slouken@1895
   835
const SDL_version *
slouken@1895
   836
SDL_Linked_Version(void)
slouken@1895
   837
{
slouken@1895
   838
    static SDL_version version;
slouken@1895
   839
    SDL_VERSION(&version);
slouken@1895
   840
    return &version;
slouken@1895
   841
}
slouken@1895
   842
slouken@1895
   843
int
slouken@1895
   844
SDL_SetPalette(SDL_Surface * surface, int flags, const SDL_Color * colors,
slouken@1895
   845
               int firstcolor, int ncolors)
slouken@1895
   846
{
slouken@1895
   847
    return SDL_SetColors(surface, colors, firstcolor, ncolors);
slouken@1895
   848
}
slouken@1895
   849
slouken@1895
   850
int
slouken@1895
   851
SDL_SetColors(SDL_Surface * surface, const SDL_Color * colors, int firstcolor,
slouken@1895
   852
              int ncolors)
slouken@1895
   853
{
slouken@1895
   854
    if (SDL_SetPaletteColors
slouken@1895
   855
        (surface->format->palette, colors, firstcolor, ncolors) == 0) {
slouken@1895
   856
        return 1;
slouken@1895
   857
    } else {
slouken@1895
   858
        return 0;
slouken@1895
   859
    }
slouken@1895
   860
}
slouken@1895
   861
slouken@1895
   862
int
slouken@1895
   863
SDL_GetWMInfo(SDL_SysWMinfo * info)
slouken@1895
   864
{
slouken@1895
   865
    return SDL_GetWindowWMInfo(SDL_VideoWindow, info);
slouken@1895
   866
}
slouken@1895
   867
slouken@1895
   868
#if 0
slouken@1895
   869
void
slouken@1895
   870
SDL_MoveCursor(int x, int y)
slouken@1895
   871
{
slouken@1895
   872
    SDL_VideoDevice *_this = SDL_GetVideoDevice();
slouken@1895
   873
slouken@1895
   874
    /* Erase and update the current mouse position */
slouken@1895
   875
    if (SHOULD_DRAWCURSOR(SDL_cursorstate)) {
slouken@1895
   876
        /* Erase and redraw mouse cursor in new position */
slouken@1895
   877
        SDL_LockCursor();
slouken@1895
   878
        SDL_EraseCursor(SDL_VideoSurface);
slouken@1895
   879
        SDL_cursor->area.x = (x - SDL_cursor->hot_x);
slouken@1895
   880
        SDL_cursor->area.y = (y - SDL_cursor->hot_y);
slouken@1895
   881
        SDL_DrawCursor(SDL_VideoSurface);
slouken@1895
   882
        SDL_UnlockCursor();
slouken@1895
   883
    } else if (_this->MoveWMCursor) {
slouken@1895
   884
        _this->MoveWMCursor(_this, x, y);
slouken@1895
   885
    }
slouken@1895
   886
}
slouken@1895
   887
slouken@1895
   888
/* Keep track of the current cursor colors */
slouken@1895
   889
static int palette_changed = 1;
slouken@1895
   890
static Uint8 pixels8[2];
slouken@1895
   891
slouken@1895
   892
void
slouken@1895
   893
SDL_CursorPaletteChanged(void)
slouken@1895
   894
{
slouken@1895
   895
    palette_changed = 1;
slouken@1895
   896
}
slouken@1895
   897
slouken@1895
   898
void
slouken@1895
   899
SDL_MouseRect(SDL_Rect * area)
slouken@1895
   900
{
slouken@1895
   901
    SDL_VideoDevice *_this = SDL_GetVideoDevice();
slouken@1895
   902
    int clip_diff;
slouken@1895
   903
slouken@1895
   904
    *area = SDL_cursor->area;
slouken@1895
   905
    if (area->x < 0) {
slouken@1895
   906
        area->w += area->x;
slouken@1895
   907
        area->x = 0;
slouken@1895
   908
    }
slouken@1895
   909
    if (area->y < 0) {
slouken@1895
   910
        area->h += area->y;
slouken@1895
   911
        area->y = 0;
slouken@1895
   912
    }
slouken@1895
   913
    clip_diff = (area->x + area->w) - SDL_VideoSurface->w;
slouken@1895
   914
    if (clip_diff > 0) {
slouken@1895
   915
        area->w = area->w < clip_diff ? 0 : area->w - clip_diff;
slouken@1895
   916
    }
slouken@1895
   917
    clip_diff = (area->y + area->h) - SDL_VideoSurface->h;
slouken@1895
   918
    if (clip_diff > 0) {
slouken@1895
   919
        area->h = area->h < clip_diff ? 0 : area->h - clip_diff;
slouken@1895
   920
    }
slouken@1895
   921
}
slouken@1895
   922
slouken@1895
   923
static void
slouken@1895
   924
SDL_DrawCursorFast(SDL_Surface * screen, SDL_Rect * area)
slouken@1895
   925
{
slouken@1895
   926
    const Uint32 pixels[2] = { 0xFFFFFFFF, 0x00000000 };
slouken@1895
   927
    int i, w, h;
slouken@1895
   928
    Uint8 *data, datab;
slouken@1895
   929
    Uint8 *mask, maskb;
slouken@1895
   930
slouken@1895
   931
    data = SDL_cursor->data + area->y * SDL_cursor->area.w / 8;
slouken@1895
   932
    mask = SDL_cursor->mask + area->y * SDL_cursor->area.w / 8;
slouken@1895
   933
    switch (screen->format->BytesPerPixel) {
slouken@1895
   934
slouken@1895
   935
    case 1:
slouken@1895
   936
        {
slouken@1895
   937
            Uint8 *dst;
slouken@1895
   938
            int dstskip;
slouken@1895
   939
slouken@1895
   940
            if (palette_changed) {
slouken@1895
   941
                pixels8[0] =
slouken@1895
   942
                    (Uint8) SDL_MapRGB(screen->format, 255, 255, 255);
slouken@1895
   943
                pixels8[1] = (Uint8) SDL_MapRGB(screen->format, 0, 0, 0);
slouken@1895
   944
                palette_changed = 0;
slouken@1895
   945
            }
slouken@1895
   946
            dst = (Uint8 *) screen->pixels +
slouken@1895
   947
                (SDL_cursor->area.y + area->y) * screen->pitch +
slouken@1895
   948
                SDL_cursor->area.x;
slouken@1895
   949
            dstskip = screen->pitch - area->w;
slouken@1895
   950
slouken@1895
   951
            for (h = area->h; h; h--) {
slouken@1895
   952
                for (w = area->w / 8; w; w--) {
slouken@1895
   953
                    maskb = *mask++;
slouken@1895
   954
                    datab = *data++;
slouken@1895
   955
                    for (i = 0; i < 8; ++i) {
slouken@1895
   956
                        if (maskb & 0x80) {
slouken@1895
   957
                            *dst = pixels8[datab >> 7];
slouken@1895
   958
                        }
slouken@1895
   959
                        maskb <<= 1;
slouken@1895
   960
                        datab <<= 1;
slouken@1895
   961
                        dst++;
slouken@1895
   962
                    }
slouken@1895
   963
                }
slouken@1895
   964
                dst += dstskip;
slouken@1895
   965
            }
slouken@1895
   966
        }
slouken@1895
   967
        break;
slouken@1895
   968
slouken@1895
   969
    case 2:
slouken@1895
   970
        {
slouken@1895
   971
            Uint16 *dst;
slouken@1895
   972
            int dstskip;
slouken@1895
   973
slouken@1895
   974
            dst = (Uint16 *) screen->pixels +
slouken@1895
   975
                (SDL_cursor->area.y + area->y) * screen->pitch / 2 +
slouken@1895
   976
                SDL_cursor->area.x;
slouken@1895
   977
            dstskip = (screen->pitch / 2) - area->w;
slouken@1895
   978
slouken@1895
   979
            for (h = area->h; h; h--) {
slouken@1895
   980
                for (w = area->w / 8; w; w--) {
slouken@1895
   981
                    maskb = *mask++;
slouken@1895
   982
                    datab = *data++;
slouken@1895
   983
                    for (i = 0; i < 8; ++i) {
slouken@1895
   984
                        if (maskb & 0x80) {
slouken@1895
   985
                            *dst = (Uint16) pixels[datab >> 7];
slouken@1895
   986
                        }
slouken@1895
   987
                        maskb <<= 1;
slouken@1895
   988
                        datab <<= 1;
slouken@1895
   989
                        dst++;
slouken@1895
   990
                    }
slouken@1895
   991
                }
slouken@1895
   992
                dst += dstskip;
slouken@1895
   993
            }
slouken@1895
   994
        }
slouken@1895
   995
        break;
slouken@1895
   996
slouken@1895
   997
    case 3:
slouken@1895
   998
        {
slouken@1895
   999
            Uint8 *dst;
slouken@1895
  1000
            int dstskip;
slouken@1895
  1001
slouken@1895
  1002
            dst = (Uint8 *) screen->pixels +
slouken@1895
  1003
                (SDL_cursor->area.y + area->y) * screen->pitch +
slouken@1895
  1004
                SDL_cursor->area.x * 3;
slouken@1895
  1005
            dstskip = screen->pitch - area->w * 3;
slouken@1895
  1006
slouken@1895
  1007
            for (h = area->h; h; h--) {
slouken@1895
  1008
                for (w = area->w / 8; w; w--) {
slouken@1895
  1009
                    maskb = *mask++;
slouken@1895
  1010
                    datab = *data++;
slouken@1895
  1011
                    for (i = 0; i < 8; ++i) {
slouken@1895
  1012
                        if (maskb & 0x80) {
slouken@1895
  1013
                            SDL_memset(dst, pixels[datab >> 7], 3);
slouken@1895
  1014
                        }
slouken@1895
  1015
                        maskb <<= 1;
slouken@1895
  1016
                        datab <<= 1;
slouken@1895
  1017
                        dst += 3;
slouken@1895
  1018
                    }
slouken@1895
  1019
                }
slouken@1895
  1020
                dst += dstskip;
slouken@1895
  1021
            }
slouken@1895
  1022
        }
slouken@1895
  1023
        break;
slouken@1895
  1024
slouken@1895
  1025
    case 4:
slouken@1895
  1026
        {
slouken@1895
  1027
            Uint32 *dst;
slouken@1895
  1028
            int dstskip;
slouken@1895
  1029
slouken@1895
  1030
            dst = (Uint32 *) screen->pixels +
slouken@1895
  1031
                (SDL_cursor->area.y + area->y) * screen->pitch / 4 +
slouken@1895
  1032
                SDL_cursor->area.x;
slouken@1895
  1033
            dstskip = (screen->pitch / 4) - area->w;
slouken@1895
  1034
slouken@1895
  1035
            for (h = area->h; h; h--) {
slouken@1895
  1036
                for (w = area->w / 8; w; w--) {
slouken@1895
  1037
                    maskb = *mask++;
slouken@1895
  1038
                    datab = *data++;
slouken@1895
  1039
                    for (i = 0; i < 8; ++i) {
slouken@1895
  1040
                        if (maskb & 0x80) {
slouken@1895
  1041
                            *dst = pixels[datab >> 7];
slouken@1895
  1042
                        }
slouken@1895
  1043
                        maskb <<= 1;
slouken@1895
  1044
                        datab <<= 1;
slouken@1895
  1045
                        dst++;
slouken@1895
  1046
                    }
slouken@1895
  1047
                }
slouken@1895
  1048
                dst += dstskip;
slouken@1895
  1049
            }
slouken@1895
  1050
        }
slouken@1895
  1051
        break;
slouken@1895
  1052
    }
slouken@1895
  1053
}
slouken@1895
  1054
slouken@1895
  1055
static void
slouken@1895
  1056
SDL_DrawCursorSlow(SDL_Surface * screen, SDL_Rect * area)
slouken@1895
  1057
{
slouken@1895
  1058
    const Uint32 pixels[2] = { 0xFFFFFF, 0x000000 };
slouken@1895
  1059
    int h;
slouken@1895
  1060
    int x, minx, maxx;
slouken@1895
  1061
    Uint8 *data, datab = 0;
slouken@1895
  1062
    Uint8 *mask, maskb = 0;
slouken@1895
  1063
    Uint8 *dst;
slouken@1895
  1064
    int dstbpp, dstskip;
slouken@1895
  1065
slouken@1895
  1066
    data = SDL_cursor->data + area->y * SDL_cursor->area.w / 8;
slouken@1895
  1067
    mask = SDL_cursor->mask + area->y * SDL_cursor->area.w / 8;
slouken@1895
  1068
    dstbpp = screen->format->BytesPerPixel;
slouken@1895
  1069
    dst = (Uint8 *) screen->pixels +
slouken@1895
  1070
        (SDL_cursor->area.y + area->y) * screen->pitch +
slouken@1895
  1071
        SDL_cursor->area.x * dstbpp;
slouken@1895
  1072
    dstskip = screen->pitch - SDL_cursor->area.w * dstbpp;
slouken@1895
  1073
slouken@1895
  1074
    minx = area->x;
slouken@1895
  1075
    maxx = area->x + area->w;
slouken@1895
  1076
    if (screen->format->BytesPerPixel == 1) {
slouken@1895
  1077
        if (palette_changed) {
slouken@1895
  1078
            pixels8[0] = (Uint8) SDL_MapRGB(screen->format, 255, 255, 255);
slouken@1895
  1079
            pixels8[1] = (Uint8) SDL_MapRGB(screen->format, 0, 0, 0);
slouken@1895
  1080
            palette_changed = 0;
slouken@1895
  1081
        }
slouken@1895
  1082
        for (h = area->h; h; h--) {
slouken@1895
  1083
            for (x = 0; x < SDL_cursor->area.w; ++x) {
slouken@1895
  1084
                if ((x % 8) == 0) {
slouken@1895
  1085
                    maskb = *mask++;
slouken@1895
  1086
                    datab = *data++;
slouken@1895
  1087
                }
slouken@1895
  1088
                if ((x >= minx) && (x < maxx)) {
slouken@1895
  1089
                    if (maskb & 0x80) {
slouken@1895
  1090
                        SDL_memset(dst, pixels8[datab >> 7], dstbpp);
slouken@1895
  1091
                    }
slouken@1895
  1092
                }
slouken@1895
  1093
                maskb <<= 1;
slouken@1895
  1094
                datab <<= 1;
slouken@1895
  1095
                dst += dstbpp;
slouken@1895
  1096
            }
slouken@1895
  1097
            dst += dstskip;
slouken@1895
  1098
        }
slouken@1895
  1099
    } else {
slouken@1895
  1100
        for (h = area->h; h; h--) {
slouken@1895
  1101
            for (x = 0; x < SDL_cursor->area.w; ++x) {
slouken@1895
  1102
                if ((x % 8) == 0) {
slouken@1895
  1103
                    maskb = *mask++;
slouken@1895
  1104
                    datab = *data++;
slouken@1895
  1105
                }
slouken@1895
  1106
                if ((x >= minx) && (x < maxx)) {
slouken@1895
  1107
                    if (maskb & 0x80) {
slouken@1895
  1108
                        SDL_memset(dst, pixels[datab >> 7], dstbpp);
slouken@1895
  1109
                    }
slouken@1895
  1110
                }
slouken@1895
  1111
                maskb <<= 1;
slouken@1895
  1112
                datab <<= 1;
slouken@1895
  1113
                dst += dstbpp;
slouken@1895
  1114
            }
slouken@1895
  1115
            dst += dstskip;
slouken@1895
  1116
        }
slouken@1895
  1117
    }
slouken@1895
  1118
}
slouken@1895
  1119
slouken@1895
  1120
/* This handles the ugly work of converting the saved cursor background from
slouken@1895
  1121
   the pixel format of the shadow surface to that of the video surface.
slouken@1895
  1122
   This is only necessary when blitting from a shadow surface of a different
slouken@1895
  1123
   pixel format than the video surface, and using a software rendered cursor.
slouken@1895
  1124
*/
slouken@1895
  1125
static void
slouken@1895
  1126
SDL_ConvertCursorSave(SDL_Surface * screen, int w, int h)
slouken@1895
  1127
{
slouken@1895
  1128
    SDL_VideoDevice *_this = SDL_GetVideoDevice();
slouken@1895
  1129
    SDL_BlitInfo info;
slouken@1895
  1130
    SDL_loblit RunBlit;
slouken@1895
  1131
slouken@1895
  1132
    /* Make sure we can steal the blit mapping */
slouken@1895
  1133
    if (screen->map->dst != SDL_VideoSurface) {
slouken@1895
  1134
        return;
slouken@1895
  1135
    }
slouken@1895
  1136
slouken@1895
  1137
    /* Set up the blit information */
slouken@1895
  1138
    info.s_pixels = SDL_cursor->save[1];
slouken@1895
  1139
    info.s_width = w;
slouken@1895
  1140
    info.s_height = h;
slouken@1895
  1141
    info.s_skip = 0;
slouken@1895
  1142
    info.d_pixels = SDL_cursor->save[0];
slouken@1895
  1143
    info.d_width = w;
slouken@1895
  1144
    info.d_height = h;
slouken@1895
  1145
    info.d_skip = 0;
slouken@1895
  1146
    info.aux_data = screen->map->sw_data->aux_data;
slouken@1895
  1147
    info.src = screen->format;
slouken@1895
  1148
    info.table = screen->map->table;
slouken@1895
  1149
    info.dst = SDL_VideoSurface->format;
slouken@1895
  1150
    RunBlit = screen->map->sw_data->blit;
slouken@1895
  1151
slouken@1895
  1152
    /* Run the actual software blit */
slouken@1895
  1153
    RunBlit(&info);
slouken@1895
  1154
}
slouken@1895
  1155
slouken@1895
  1156
void
slouken@1895
  1157
SDL_DrawCursorNoLock(SDL_Surface * screen)
slouken@1895
  1158
{
slouken@1895
  1159
    SDL_VideoDevice *_this = SDL_GetVideoDevice();
slouken@1895
  1160
    SDL_Rect area;
slouken@1895
  1161
slouken@1895
  1162
    /* Get the mouse rectangle, clipped to the screen */
slouken@1895
  1163
    SDL_MouseRect(&area);
slouken@1895
  1164
    if ((area.w == 0) || (area.h == 0)) {
slouken@1895
  1165
        return;
slouken@1895
  1166
    }
slouken@1895
  1167
slouken@1895
  1168
    /* Copy mouse background */
slouken@1895
  1169
    {
slouken@1895
  1170
        int w, h, screenbpp;
slouken@1895
  1171
        Uint8 *src, *dst;
slouken@1895
  1172
slouken@1895
  1173
        /* Set up the copy pointers */
slouken@1895
  1174
        screenbpp = screen->format->BytesPerPixel;
slouken@1895
  1175
        if ((screen == SDL_VideoSurface) ||
slouken@1895
  1176
            FORMAT_EQUAL(screen->format, SDL_VideoSurface->format)) {
slouken@1895
  1177
            dst = SDL_cursor->save[0];
slouken@1895
  1178
        } else {
slouken@1895
  1179
            dst = SDL_cursor->save[1];
slouken@1895
  1180
        }
slouken@1895
  1181
        src = (Uint8 *) screen->pixels + area.y * screen->pitch +
slouken@1895
  1182
            area.x * screenbpp;
slouken@1895
  1183
slouken@1895
  1184
        /* Perform the copy */
slouken@1895
  1185
        w = area.w * screenbpp;
slouken@1895
  1186
        h = area.h;
slouken@1895
  1187
        while (h--) {
slouken@1895
  1188
            SDL_memcpy(dst, src, w);
slouken@1895
  1189
            dst += w;
slouken@1895
  1190
            src += screen->pitch;
slouken@1895
  1191
        }
slouken@1895
  1192
    }
slouken@1895
  1193
slouken@1895
  1194
    /* Draw the mouse cursor */
slouken@1895
  1195
    area.x -= SDL_cursor->area.x;
slouken@1895
  1196
    area.y -= SDL_cursor->area.y;
slouken@1895
  1197
    if ((area.x == 0) && (area.w == SDL_cursor->area.w)) {
slouken@1895
  1198
        SDL_DrawCursorFast(screen, &area);
slouken@1895
  1199
    } else {
slouken@1895
  1200
        SDL_DrawCursorSlow(screen, &area);
slouken@1895
  1201
    }
slouken@1895
  1202
}
slouken@1895
  1203
slouken@1895
  1204
void
slouken@1895
  1205
SDL_DrawCursor(SDL_Surface * screen)
slouken@1895
  1206
{
slouken@1895
  1207
    /* Lock the screen if necessary */
slouken@1895
  1208
    if (screen == NULL) {
slouken@1895
  1209
        return;
slouken@1895
  1210
    }
slouken@1895
  1211
    if (SDL_MUSTLOCK(screen)) {
slouken@1895
  1212
        if (SDL_LockSurface(screen) < 0) {
slouken@1895
  1213
            return;
slouken@1895
  1214
        }
slouken@1895
  1215
    }
slouken@1895
  1216
slouken@1895
  1217
    SDL_DrawCursorNoLock(screen);
slouken@1895
  1218
slouken@1895
  1219
    /* Unlock the screen and update if necessary */
slouken@1895
  1220
    if (SDL_MUSTLOCK(screen)) {
slouken@1895
  1221
        SDL_UnlockSurface(screen);
slouken@1895
  1222
    }
slouken@2222
  1223
    if (screen->flags & SDL_SCREEN_SURFACE) {
slouken@1895
  1224
        SDL_VideoDevice *_this = SDL_GetVideoDevice();
slouken@1895
  1225
        SDL_Window *window;
slouken@1895
  1226
        SDL_Rect area;
slouken@1895
  1227
slouken@1895
  1228
        window = SDL_GetWindowFromSurface(screen);
slouken@1895
  1229
        if (!window) {
slouken@1895
  1230
            return;
slouken@1895
  1231
        }
slouken@1895
  1232
slouken@1895
  1233
        SDL_MouseRect(&area);
slouken@1895
  1234
slouken@1895
  1235
        if (_this->UpdateWindowSurface) {
slouken@1895
  1236
            _this->UpdateWindowSurface(_this, window, 1, &area);
slouken@1895
  1237
        }
slouken@1895
  1238
    }
slouken@1895
  1239
}
slouken@1895
  1240
slouken@1895
  1241
void
slouken@1895
  1242
SDL_EraseCursorNoLock(SDL_Surface * screen)
slouken@1895
  1243
{
slouken@1895
  1244
    SDL_VideoDevice *_this = SDL_GetVideoDevice();
slouken@1895
  1245
    SDL_Window *window;
slouken@1895
  1246
    SDL_Rect area;
slouken@1895
  1247
slouken@1895
  1248
    /* Get the window associated with the surface */
slouken@1895
  1249
    window = SDL_GetWindowFromSurface(screen);
slouken@1895
  1250
    if (!window || !window->surface) {
slouken@1895
  1251
        return;
slouken@1895
  1252
    }
slouken@1895
  1253
slouken@1895
  1254
    /* Get the mouse rectangle, clipped to the screen */
slouken@1895
  1255
    SDL_MouseRect(&area);
slouken@1895
  1256
    if ((area.w == 0) || (area.h == 0)) {
slouken@1895
  1257
        return;
slouken@1895
  1258
    }
slouken@1895
  1259
slouken@1895
  1260
    /* Copy mouse background */
slouken@1895
  1261
    {
slouken@1895
  1262
        int w, h, screenbpp;
slouken@1895
  1263
        Uint8 *src, *dst;
slouken@1895
  1264
slouken@1895
  1265
        /* Set up the copy pointers */
slouken@1895
  1266
        screenbpp = screen->format->BytesPerPixel;
slouken@1895
  1267
        if ((screen->flags & SDL_SCREEN_SURFACE) ||
slouken@1895
  1268
            FORMAT_EQUAL(screen->format, window->surface->format)) {
slouken@1895
  1269
            src = SDL_cursor->save[0];
slouken@1895
  1270
        } else {
slouken@1895
  1271
            src = SDL_cursor->save[1];
slouken@1895
  1272
        }
slouken@1895
  1273
        dst = (Uint8 *) screen->pixels + area.y * screen->pitch +
slouken@1895
  1274
            area.x * screenbpp;
slouken@1895
  1275
slouken@1895
  1276
        /* Perform the copy */
slouken@1895
  1277
        w = area.w * screenbpp;
slouken@1895
  1278
        h = area.h;
slouken@1895
  1279
        while (h--) {
slouken@1895
  1280
            SDL_memcpy(dst, src, w);
slouken@1895
  1281
            src += w;
slouken@1895
  1282
            dst += screen->pitch;
slouken@1895
  1283
        }
slouken@1895
  1284
slouken@1895
  1285
        /* Perform pixel conversion on cursor background */
slouken@1895
  1286
        if (src > SDL_cursor->save[1]) {
slouken@1895
  1287
            SDL_ConvertCursorSave(screen, area.w, area.h);
slouken@1895
  1288
        }
slouken@1895
  1289
    }
slouken@1895
  1290
}
slouken@1895
  1291
slouken@1895
  1292
void
slouken@1895
  1293
SDL_EraseCursor(SDL_Surface * screen)
slouken@1895
  1294
{
slouken@1895
  1295
    /* Lock the screen if necessary */
slouken@1895
  1296
    if (screen == NULL) {
slouken@1895
  1297
        return;
slouken@1895
  1298
    }
slouken@1895
  1299
    if (SDL_MUSTLOCK(screen)) {
slouken@1895
  1300
        if (SDL_LockSurface(screen) < 0) {
slouken@1895
  1301
            return;
slouken@1895
  1302
        }
slouken@1895
  1303
    }
slouken@1895
  1304
slouken@1895
  1305
    SDL_EraseCursorNoLock(screen);
slouken@1895
  1306
slouken@1895
  1307
    /* Unlock the screen and update if necessary */
slouken@1895
  1308
    if (SDL_MUSTLOCK(screen)) {
slouken@1895
  1309
        SDL_UnlockSurface(screen);
slouken@1895
  1310
    }
slouken@2222
  1311
    if (screen->flags & SDL_SCREEN_SURFACE) {
slouken@1895
  1312
        SDL_VideoDevice *_this = SDL_GetVideoDevice();
slouken@1895
  1313
        SDL_Window *window;
slouken@1895
  1314
        SDL_Rect area;
slouken@1895
  1315
slouken@1895
  1316
        window = SDL_GetWindowFromSurface(screen);
slouken@1895
  1317
        if (!window) {
slouken@1895
  1318
            return;
slouken@1895
  1319
        }
slouken@1895
  1320
slouken@1895
  1321
        SDL_MouseRect(&area);
slouken@1895
  1322
slouken@1895
  1323
        if (_this->UpdateWindowSurface) {
slouken@1895
  1324
            _this->UpdateWindowSurface(_this, window, 1, &area);
slouken@1895
  1325
        }
slouken@1895
  1326
    }
slouken@1895
  1327
}
slouken@1895
  1328
slouken@1895
  1329
/* Reset the cursor on video mode change
slouken@1895
  1330
   FIXME:  Keep track of all cursors, and reset them all.
slouken@1895
  1331
 */
slouken@1895
  1332
void
slouken@1895
  1333
SDL_ResetCursor(void)
slouken@1895
  1334
{
slouken@1895
  1335
    int savelen;
slouken@1895
  1336
slouken@1895
  1337
    if (SDL_cursor) {
slouken@1895
  1338
        savelen = SDL_cursor->area.w * 4 * SDL_cursor->area.h;
slouken@1895
  1339
        SDL_cursor->area.x = 0;
slouken@1895
  1340
        SDL_cursor->area.y = 0;
slouken@1895
  1341
        SDL_memset(SDL_cursor->save[0], 0, savelen);
slouken@1895
  1342
    }
slouken@1895
  1343
}
slouken@1895
  1344
#endif
slouken@1895
  1345
slouken@1895
  1346
struct private_yuvhwdata
slouken@1895
  1347
{
slouken@1895
  1348
    Uint16 pitches[3];
slouken@1895
  1349
    Uint8 *planes[3];
slouken@1895
  1350
slouken@1895
  1351
    SDL_TextureID textureID;
slouken@1895
  1352
};
slouken@1895
  1353
slouken@1895
  1354
SDL_Overlay *
slouken@1895
  1355
SDL_CreateYUVOverlay(int w, int h, Uint32 format, SDL_Surface * display)
slouken@1895
  1356
{
slouken@1895
  1357
    SDL_Overlay *overlay;
slouken@1895
  1358
    Uint32 texture_format;
slouken@1895
  1359
slouken@1895
  1360
    if ((display->flags & SDL_OPENGL) == SDL_OPENGL) {
slouken@1895
  1361
        SDL_SetError("YUV overlays are not supported in OpenGL mode");
slouken@1895
  1362
        return NULL;
slouken@1895
  1363
    }
slouken@1895
  1364
slouken@1895
  1365
    if (display != SDL_PublicSurface) {
slouken@1895
  1366
        SDL_SetError("YUV display is only supported on the screen surface");
slouken@1895
  1367
        return NULL;
slouken@1895
  1368
    }
slouken@1895
  1369
slouken@1895
  1370
    switch (format) {
slouken@1895
  1371
    case SDL_YV12_OVERLAY:
slouken@1965
  1372
        texture_format = SDL_PIXELFORMAT_YV12;
slouken@1895
  1373
        break;
slouken@1895
  1374
    case SDL_IYUV_OVERLAY:
slouken@1965
  1375
        texture_format = SDL_PIXELFORMAT_IYUV;
slouken@1895
  1376
        break;
slouken@1895
  1377
    case SDL_YUY2_OVERLAY:
slouken@1965
  1378
        texture_format = SDL_PIXELFORMAT_YUY2;
slouken@1895
  1379
        break;
slouken@1895
  1380
    case SDL_UYVY_OVERLAY:
slouken@1965
  1381
        texture_format = SDL_PIXELFORMAT_UYVY;
slouken@1895
  1382
        break;
slouken@1895
  1383
    case SDL_YVYU_OVERLAY:
slouken@1965
  1384
        texture_format = SDL_PIXELFORMAT_YVYU;
slouken@1895
  1385
        break;
slouken@1895
  1386
    default:
slouken@1895
  1387
        SDL_SetError("Unknown YUV format");
slouken@1895
  1388
        return NULL;
slouken@1895
  1389
    }
slouken@1895
  1390
slouken@1895
  1391
    overlay = (SDL_Overlay *) SDL_malloc(sizeof(*overlay));
slouken@1895
  1392
    if (!overlay) {
slouken@1895
  1393
        SDL_OutOfMemory();
slouken@1895
  1394
        return NULL;
slouken@1895
  1395
    }
slouken@1895
  1396
    SDL_zerop(overlay);
slouken@1895
  1397
slouken@1895
  1398
    overlay->hwdata =
slouken@1895
  1399
        (struct private_yuvhwdata *) SDL_malloc(sizeof(*overlay->hwdata));
slouken@1895
  1400
    if (!overlay->hwdata) {
slouken@1895
  1401
        SDL_free(overlay);
slouken@1895
  1402
        SDL_OutOfMemory();
slouken@1895
  1403
        return NULL;
slouken@1895
  1404
    }
slouken@1895
  1405
slouken@1895
  1406
    overlay->format = format;
slouken@1895
  1407
    overlay->w = w;
slouken@1895
  1408
    overlay->h = h;
slouken@1895
  1409
    if (format == SDL_YV12_OVERLAY || format == SDL_IYUV_OVERLAY) {
slouken@1895
  1410
        overlay->planes = 3;
slouken@1895
  1411
    } else {
slouken@1895
  1412
        overlay->planes = 1;
slouken@1895
  1413
    }
slouken@1895
  1414
    overlay->pitches = overlay->hwdata->pitches;
slouken@1895
  1415
    overlay->pixels = overlay->hwdata->planes;
slouken@1895
  1416
slouken@1895
  1417
    switch (format) {
slouken@1895
  1418
    case SDL_YV12_OVERLAY:
slouken@1895
  1419
    case SDL_IYUV_OVERLAY:
slouken@1895
  1420
        overlay->pitches[0] = overlay->w;
slouken@1895
  1421
        overlay->pitches[1] = overlay->w / 2;
slouken@1895
  1422
        overlay->pitches[2] = overlay->w / 2;
slouken@1895
  1423
        break;
slouken@1895
  1424
    case SDL_YUY2_OVERLAY:
slouken@1895
  1425
    case SDL_UYVY_OVERLAY:
slouken@1895
  1426
    case SDL_YVYU_OVERLAY:
slouken@1895
  1427
        overlay->pitches[0] = overlay->w * 2;
slouken@1895
  1428
        break;
slouken@1895
  1429
    }
slouken@1895
  1430
slouken@1895
  1431
    overlay->hwdata->textureID =
slouken@2222
  1432
        SDL_CreateTexture(texture_format, SDL_TEXTUREACCESS_STREAMING, w, h);
slouken@1895
  1433
    if (!overlay->hwdata->textureID) {
slouken@1895
  1434
        SDL_FreeYUVOverlay(overlay);
slouken@1895
  1435
        return NULL;
slouken@1895
  1436
    }
slouken@1895
  1437
slouken@1895
  1438
    return overlay;
slouken@1895
  1439
}
slouken@1895
  1440
slouken@1895
  1441
int
slouken@1895
  1442
SDL_LockYUVOverlay(SDL_Overlay * overlay)
slouken@1895
  1443
{
slouken@1895
  1444
    void *pixels;
slouken@1895
  1445
    int pitch;
slouken@2202
  1446
slouken@2202
  1447
    if (!overlay) {
slouken@2202
  1448
        SDL_SetError("Passed a NULL overlay");
slouken@2202
  1449
        return -1;
slouken@2202
  1450
    }
slouken@1895
  1451
    if (SDL_LockTexture(overlay->hwdata->textureID, NULL, 1, &pixels, &pitch)
slouken@1895
  1452
        < 0) {
slouken@1895
  1453
        return -1;
slouken@1895
  1454
    }
slouken@2226
  1455
    overlay->pixels[0] = (Uint8 *) pixels;
slouken@2226
  1456
    overlay->pitches[0] = pitch;
slouken@1895
  1457
    switch (overlay->format) {
slouken@1895
  1458
    case SDL_YV12_OVERLAY:
slouken@1895
  1459
    case SDL_IYUV_OVERLAY:
slouken@2226
  1460
        overlay->pitches[1] = pitch / 2;
slouken@2226
  1461
        overlay->pitches[2] = pitch / 2;
slouken@1895
  1462
        overlay->pixels[1] =
slouken@1895
  1463
            overlay->pixels[0] + overlay->pitches[0] * overlay->h;
slouken@1895
  1464
        overlay->pixels[2] =
slouken@2226
  1465
            overlay->pixels[1] + overlay->pitches[1] * overlay->h / 2;
slouken@1895
  1466
        break;
slouken@1895
  1467
    case SDL_YUY2_OVERLAY:
slouken@1895
  1468
    case SDL_UYVY_OVERLAY:
slouken@1895
  1469
    case SDL_YVYU_OVERLAY:
slouken@1895
  1470
        break;
slouken@1895
  1471
    }
slouken@1895
  1472
    return 0;
slouken@1895
  1473
}
slouken@1895
  1474
slouken@1895
  1475
void
slouken@1895
  1476
SDL_UnlockYUVOverlay(SDL_Overlay * overlay)
slouken@1895
  1477
{
slouken@2202
  1478
    if (!overlay) {
slouken@2202
  1479
        return;
slouken@2202
  1480
    }
slouken@1895
  1481
    SDL_UnlockTexture(overlay->hwdata->textureID);
slouken@1895
  1482
}
slouken@1895
  1483
slouken@1895
  1484
int
slouken@1895
  1485
SDL_DisplayYUVOverlay(SDL_Overlay * overlay, SDL_Rect * dstrect)
slouken@1895
  1486
{
slouken@2202
  1487
    if (!overlay || !dstrect) {
slouken@2202
  1488
        SDL_SetError("Passed a NULL overlay or dstrect");
slouken@2202
  1489
        return -1;
slouken@2202
  1490
    }
slouken@1985
  1491
    if (SDL_RenderCopy(overlay->hwdata->textureID, NULL, dstrect) < 0) {
slouken@1895
  1492
        return -1;
slouken@1895
  1493
    }
slouken@1895
  1494
    SDL_RenderPresent();
slouken@1895
  1495
    return 0;
slouken@1895
  1496
}
slouken@1895
  1497
slouken@1895
  1498
void
slouken@1895
  1499
SDL_FreeYUVOverlay(SDL_Overlay * overlay)
slouken@1895
  1500
{
slouken@2202
  1501
    if (!overlay) {
slouken@2202
  1502
        return;
slouken@2202
  1503
    }
slouken@2202
  1504
    if (overlay->hwdata) {
slouken@2202
  1505
        if (overlay->hwdata->textureID) {
slouken@2202
  1506
            SDL_DestroyTexture(overlay->hwdata->textureID);
slouken@1895
  1507
        }
slouken@2202
  1508
        SDL_free(overlay->hwdata);
slouken@1895
  1509
    }
slouken@2202
  1510
    SDL_free(overlay);
slouken@1895
  1511
}
slouken@1895
  1512
slouken@1912
  1513
void
slouken@1912
  1514
SDL_GL_SwapBuffers(void)
slouken@1912
  1515
{
slouken@1912
  1516
    SDL_GL_SwapWindow(SDL_VideoWindow);
slouken@1912
  1517
}
slouken@1912
  1518
slouken@2129
  1519
slouken@2129
  1520
int
slouken@2129
  1521
SDL_EnableKeyRepeat(int delay, int interval)
slouken@2129
  1522
{
slouken@2129
  1523
    return 0;
slouken@2129
  1524
}
slouken@2129
  1525
slouken@2129
  1526
void
slouken@2129
  1527
SDL_GetKeyRepeat(int *delay, int *interval)
slouken@2129
  1528
{
slouken@2129
  1529
    if (delay) {
slouken@2129
  1530
        *delay = SDL_DEFAULT_REPEAT_DELAY;
slouken@2129
  1531
    }
slouken@2129
  1532
    if (interval) {
slouken@2129
  1533
        *interval = SDL_DEFAULT_REPEAT_INTERVAL;
slouken@2129
  1534
    }
slouken@2129
  1535
}
slouken@2129
  1536
slouken@2303
  1537
int
slouken@2303
  1538
SDL_EnableUNICODE(int enable)
slouken@2303
  1539
{
slouken@2303
  1540
    return SDL_EventState(SDL_TEXTINPUT, enable);
slouken@2303
  1541
}
slouken@2303
  1542
slouken@1895
  1543
/* vi: set ts=4 sw=4 expandtab: */