src/video/x11/SDL_x11modes.c
author Sam Lantinga <slouken@libsdl.org>
Sat, 31 Dec 2011 09:28:07 -0500
changeset 6138 4c64952a58fb
parent 6027 56185b574d61
child 6331 5732e1a80bde
permissions -rwxr-xr-x
Happy New Year!
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/*
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  Simple DirectMedia Layer
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  Copyright (C) 1997-2012 Sam Lantinga <slouken@libsdl.org>
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  This software is provided 'as-is', without any express or implied
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  warranty.  In no event will the authors be held liable for any damages
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  arising from the use of this software.
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  Permission is granted to anyone to use this software for any purpose,
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  including commercial applications, and to alter it and redistribute it
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  freely, subject to the following restrictions:
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  1. The origin of this software must not be misrepresented; you must not
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     claim that you wrote the original software. If you use this software
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     in a product, an acknowledgment in the product documentation would be
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     appreciated but is not required.
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  2. Altered source versions must be plainly marked as such, and must not be
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     misrepresented as being the original software.
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  3. This notice may not be removed or altered from any source distribution.
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*/
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#include "SDL_config.h"
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#if SDL_VIDEO_DRIVER_X11
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#include "SDL_x11video.h"
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/*#define X11MODES_DEBUG*/
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static int
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get_visualinfo(Display * display, int screen, XVisualInfo * vinfo)
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{
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    const char *visual_id = SDL_getenv("SDL_VIDEO_X11_VISUALID");
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    int depth;
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    /* Look for an exact visual, if requested */
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    if (visual_id) {
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        XVisualInfo *vi, template;
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        int nvis;
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        SDL_zero(template);
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        template.visualid = SDL_strtol(visual_id, NULL, 0);
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        vi = XGetVisualInfo(display, VisualIDMask, &template, &nvis);
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        if (vi) {
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            *vinfo = *vi;
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            XFree(vi);
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            return 0;
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        }
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    }
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    depth = DefaultDepth(display, screen);
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    if ((X11_UseDirectColorVisuals() &&
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         XMatchVisualInfo(display, screen, depth, DirectColor, vinfo)) ||
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        XMatchVisualInfo(display, screen, depth, TrueColor, vinfo) ||
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        XMatchVisualInfo(display, screen, depth, PseudoColor, vinfo) ||
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        XMatchVisualInfo(display, screen, depth, StaticColor, vinfo)) {
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        return 0;
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    }
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    return -1;
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}
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int
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X11_GetVisualInfoFromVisual(Display * display, Visual * visual, XVisualInfo * vinfo)
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{
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    XVisualInfo *vi;
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    int nvis;
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    vinfo->visualid = XVisualIDFromVisual(visual);
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    vi = XGetVisualInfo(display, VisualIDMask, vinfo, &nvis);
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    if (vi) {
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        *vinfo = *vi;
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        XFree(vi);
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        return 0;
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    }
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    return -1;
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}
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Uint32
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X11_GetPixelFormatFromVisualInfo(Display * display, XVisualInfo * vinfo)
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{
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    if (vinfo->class == DirectColor || vinfo->class == TrueColor) {
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        int bpp;
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        Uint32 Rmask, Gmask, Bmask, Amask;
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        Rmask = vinfo->visual->red_mask;
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        Gmask = vinfo->visual->green_mask;
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        Bmask = vinfo->visual->blue_mask;
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        if (vinfo->depth == 32) {
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            Amask = (0xFFFFFFFF & ~(Rmask | Gmask | Bmask));
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        } else {
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            Amask = 0;
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        }
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        bpp = vinfo->depth;
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        if (bpp == 24) {
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            int i, n;
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            XPixmapFormatValues *p = XListPixmapFormats(display, &n);
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            if (p) {
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                for (i = 0; i < n; ++i) {
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                    if (p[i].depth == 24) {
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                        bpp = p[i].bits_per_pixel;
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                        break;
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                    }
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                }
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                XFree(p);
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            }
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        }
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        return SDL_MasksToPixelFormatEnum(bpp, Rmask, Gmask, Bmask, Amask);
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    }
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    if (vinfo->class == PseudoColor || vinfo->class == StaticColor) {
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        switch (vinfo->depth) {
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        case 8:
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            return SDL_PIXELTYPE_INDEX8;
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        case 4:
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            if (BitmapBitOrder(display) == LSBFirst) {
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                return SDL_PIXELFORMAT_INDEX4LSB;
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            } else {
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                return SDL_PIXELFORMAT_INDEX4MSB;
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            }
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            break;
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        case 1:
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            if (BitmapBitOrder(display) == LSBFirst) {
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                return SDL_PIXELFORMAT_INDEX1LSB;
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            } else {
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                return SDL_PIXELFORMAT_INDEX1MSB;
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            }
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            break;
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        }
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    }
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    return SDL_PIXELFORMAT_UNKNOWN;
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}
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int
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X11_InitModes(_THIS)
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{
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    SDL_VideoData *data = (SDL_VideoData *) _this->driverdata;
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    int screen;
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    for (screen = 0; screen < ScreenCount(data->display); ++screen) {
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        XVisualInfo vinfo;
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        SDL_VideoDisplay display;
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        SDL_DisplayData *displaydata;
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        SDL_DisplayMode mode;
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        XPixmapFormatValues *pixmapFormats;
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        int i, n;
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        if (get_visualinfo(data->display, screen, &vinfo) < 0) {
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            continue;
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        }
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        mode.format = X11_GetPixelFormatFromVisualInfo(data->display, &vinfo);
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        if (SDL_ISPIXELFORMAT_INDEXED(mode.format)) {
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            /* We don't support palettized modes now */
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            continue;
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        }
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        mode.w = DisplayWidth(data->display, screen);
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        mode.h = DisplayHeight(data->display, screen);
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        mode.refresh_rate = 0;
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        mode.driverdata = NULL;
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        displaydata = (SDL_DisplayData *) SDL_malloc(sizeof(*displaydata));
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        if (!displaydata) {
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            continue;
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        }
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        displaydata->screen = screen;
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        displaydata->visual = vinfo.visual;
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        displaydata->depth = vinfo.depth;
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        displaydata->scanline_pad = SDL_BYTESPERPIXEL(mode.format) * 8;
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        pixmapFormats = XListPixmapFormats(data->display, &n);
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        if (pixmapFormats) {
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            for (i = 0; i < n; ++i) {
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                if (pixmapFormats[i].depth == displaydata->depth) {
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                    displaydata->scanline_pad = pixmapFormats[i].scanline_pad;
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                    break;
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                }
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            }
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            XFree(pixmapFormats);
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        }
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        SDL_zero(display);
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        display.desktop_mode = mode;
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        display.current_mode = mode;
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        display.driverdata = displaydata;
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        SDL_AddVideoDisplay(&display);
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    }
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    if (_this->num_displays == 0) {
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        SDL_SetError("No available displays");
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        return -1;
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   192
    }
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   193
    return 0;
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}
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/* Global for the error handler */
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int vm_event, vm_error = -1;
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   198
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#if SDL_VIDEO_DRIVER_X11_XINERAMA
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static SDL_bool
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CheckXinerama(Display * display, int *major, int *minor)
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{
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    int event_base = 0;
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    int error_base = 0;
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    const char *env;
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    /* Default the extension not available */
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   208
    *major = *minor = 0;
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   209
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    /* Allow environment override */
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   211
    env = getenv("SDL_VIDEO_X11_XINERAMA");
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   212
    if (env && !SDL_atoi(env)) {
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   213
        return SDL_FALSE;
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   214
    }
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   215
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   216
    if (!SDL_X11_HAVE_XINERAMA) {
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   217
        return SDL_FALSE;
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diff changeset
   218
    }
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   219
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   220
    /* Query the extension version */
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   221
    if (!XineramaQueryExtension(display, &event_base, &error_base) ||
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   222
        !XineramaQueryVersion(display, major, minor) ||
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   223
        !XineramaIsActive(display)) {
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   224
        return SDL_FALSE;
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   225
    }
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   226
    return SDL_TRUE;
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   227
}
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   228
#endif /* SDL_VIDEO_DRIVER_X11_XINERAMA */
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   229
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   230
#if SDL_VIDEO_DRIVER_X11_XRANDR
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static SDL_bool
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   232
CheckXRandR(Display * display, int *major, int *minor)
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   233
{
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   234
    const char *env;
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   235
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   236
    /* Default the extension not available */
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   237
    *major = *minor = 0;
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   238
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   239
    /* Allow environment override */
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   240
    env = getenv("SDL_VIDEO_X11_XRANDR");
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   241
    if (env && !SDL_atoi(env)) {
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   242
        return SDL_FALSE;
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diff changeset
   243
    }
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   244
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   245
    if (!SDL_X11_HAVE_XRANDR) {
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   246
        return SDL_FALSE;
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diff changeset
   247
    }
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   248
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   249
    /* Query the extension version */
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   250
    if (!XRRQueryVersion(display, major, minor)) {
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diff changeset
   251
        return SDL_FALSE;
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   252
    }
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   253
    return SDL_TRUE;
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   254
}
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   255
#endif /* SDL_VIDEO_DRIVER_X11_XRANDR */
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   256
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   257
#if SDL_VIDEO_DRIVER_X11_XVIDMODE
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static SDL_bool
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   259
CheckVidMode(Display * display, int *major, int *minor)
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{
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    const char *env;
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   262
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   263
    /* Default the extension not available */
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   264
    *major = *minor = 0;
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   265
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   266
    /* Allow environment override */
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    env = getenv("SDL_VIDEO_X11_XVIDMODE");
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    if (env && !SDL_atoi(env)) {
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        return SDL_FALSE;
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    }
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    if (!SDL_X11_HAVE_XVIDMODE) {
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        return SDL_FALSE;
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   274
    }
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   275
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    /* Query the extension version */
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    vm_error = -1;
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    if (!XF86VidModeQueryExtension(display, &vm_event, &vm_error)
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        || !XF86VidModeQueryVersion(display, major, minor)) {
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        return SDL_FALSE;
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    }
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    return SDL_TRUE;
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}
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static
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Bool XF86VidModeGetModeInfo(Display * dpy, int scr,
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                                       XF86VidModeModeInfo* info)
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{
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    Bool retval;
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    int dotclock;
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    XF86VidModeModeLine l;
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    SDL_zerop(info);
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    SDL_zero(l);
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    retval = XF86VidModeGetModeLine(dpy, scr, &dotclock, &l);
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    info->dotclock = dotclock;
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    info->hdisplay = l.hdisplay;
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    info->hsyncstart = l.hsyncstart;
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    info->hsyncend = l.hsyncend;
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    info->htotal = l.htotal;
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    info->hskew = l.hskew;
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    info->vdisplay = l.vdisplay;
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    info->vsyncstart = l.vsyncstart;
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    info->vsyncend = l.vsyncend;
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    info->vtotal = l.vtotal;
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    info->flags = l.flags;
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    info->privsize = l.privsize;
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    info->private = l.private;
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    return retval;
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   309
}
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static int
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calculate_rate(XF86VidModeModeInfo * info)
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{
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    return (info->htotal
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   315
            && info->vtotal) ? (1000 * info->dotclock / (info->htotal *
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   316
                                                         info->vtotal)) : 0;
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}
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static void
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save_mode(Display * display, SDL_DisplayData * data)
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   321
{
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   322
    XF86VidModeGetModeInfo(display, data->screen,
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   323
                                    &data->saved_mode);
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   324
    XF86VidModeGetViewPort(display, data->screen,
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   325
                                    &data->saved_view.x,
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   326
                                    &data->saved_view.y);
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   327
}
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   329
/*
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   330
static void
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   331
restore_mode(Display * display, SDL_DisplayData * data)
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   332
{
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   333
    XF86VidModeModeInfo mode;
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   334
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   335
    if (XF86VidModeGetModeInfo(display, data->screen, &mode)) {
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   336
        if (SDL_memcmp(&mode, &data->saved_mode, sizeof(mode)) != 0) {
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   337
            XF86VidModeSwitchToMode(display, data->screen, &data->saved_mode);
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   338
        }
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   339
    }
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   340
    if ((data->saved_view.x != 0) || (data->saved_view.y != 0)) {
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   341
        XF86VidModeSetViewPort(display, data->screen,
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   342
                                        data->saved_view.x,
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   343
                                        data->saved_view.y);
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   344
    }
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   345
}
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   346
*/
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   347
#endif /* SDL_VIDEO_DRIVER_X11_XVIDMODE */
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   348
1950
a344e42bce3b Started work on the new X11 driver.
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   349
void
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diff changeset
   350
X11_GetDisplayModes(_THIS, SDL_VideoDisplay * sdl_display)
1950
a344e42bce3b Started work on the new X11 driver.
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diff changeset
   351
{
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b801df19835f The X11 window and all pixmaps and images share the same visual and depth.
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diff changeset
   352
    Display *display = ((SDL_VideoData *) _this->driverdata)->display;
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diff changeset
   353
    SDL_DisplayData *data = (SDL_DisplayData *) sdl_display->driverdata;
2873
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diff changeset
   354
#if SDL_VIDEO_DRIVER_X11_XINERAMA
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diff changeset
   355
    int xinerama_major, xinerama_minor;
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diff changeset
   356
    int screens;
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diff changeset
   357
    XineramaScreenInfo * xinerama;
2873
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diff changeset
   358
#endif
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diff changeset
   359
#if SDL_VIDEO_DRIVER_X11_XRANDR
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   360
    int xrandr_major, xrandr_minor;
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diff changeset
   361
    int nsizes, nrates;
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diff changeset
   362
    XRRScreenSize *sizes;
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diff changeset
   363
    short *rates;
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diff changeset
   364
#endif
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diff changeset
   365
#if SDL_VIDEO_DRIVER_X11_XVIDMODE
2873
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   366
    int vm_major, vm_minor;
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   367
    int nmodes;
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diff changeset
   368
    XF86VidModeModeInfo ** modes;
2873
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diff changeset
   369
#endif
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   370
    int screen_w;
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diff changeset
   371
    int screen_h;
1950
a344e42bce3b Started work on the new X11 driver.
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diff changeset
   372
    SDL_DisplayMode mode;
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diff changeset
   373
2873
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diff changeset
   374
    /* Unfortunately X11 requires the window to be created with the correct
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diff changeset
   375
     * visual and depth ahead of time, but the SDL API allows you to create
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diff changeset
   376
     * a window before setting the fullscreen display mode.  This means that
b33e38aaa027 Progress on fullscreen mode switching on X11
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diff changeset
   377
     * we have to use the same format for all windows and all display modes.
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diff changeset
   378
     * (or support recreating the window with a new visual behind the scenes)
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diff changeset
   379
     */
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4b594623401b Work in progress on multi-display support:
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diff changeset
   380
    mode.format = sdl_display->current_mode.format;
2873
b33e38aaa027 Progress on fullscreen mode switching on X11
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diff changeset
   381
    mode.driverdata = NULL;
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diff changeset
   382
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diff changeset
   383
    data->use_xinerama = 0;
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diff changeset
   384
    data->use_xrandr = 0;
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diff changeset
   385
    data->use_vidmode = 0;
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diff changeset
   386
    screen_w = DisplayWidth(display, data->screen);
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diff changeset
   387
    screen_h = DisplayHeight(display, data->screen);
b33e38aaa027 Progress on fullscreen mode switching on X11
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diff changeset
   388
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diff changeset
   389
#if SDL_VIDEO_DRIVER_X11_XINERAMA
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diff changeset
   390
    /* Query Xinerama extention */
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diff changeset
   391
    if (CheckXinerama(display, &xinerama_major, &xinerama_minor)) {
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diff changeset
   392
#ifdef X11MODES_DEBUG
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diff changeset
   393
        printf("X11 detected Xinerama:\n");
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diff changeset
   394
#endif
5408
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diff changeset
   395
        xinerama = XineramaQueryScreens(display, &screens);
2873
b33e38aaa027 Progress on fullscreen mode switching on X11
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diff changeset
   396
        if (xinerama) {
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diff changeset
   397
            int i;
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diff changeset
   398
            for (i = 0; i < screens; i++) {
b33e38aaa027 Progress on fullscreen mode switching on X11
Sam Lantinga <slouken@libsdl.org>
parents: 2870
diff changeset
   399
#ifdef X11MODES_DEBUG
b33e38aaa027 Progress on fullscreen mode switching on X11
Sam Lantinga <slouken@libsdl.org>
parents: 2870
diff changeset
   400
                printf("xinerama %d: %dx%d+%d+%d\n",
2874
Sam Lantinga <slouken@libsdl.org>
parents: 2873
diff changeset
   401
                       xinerama[i].screen_number,
Sam Lantinga <slouken@libsdl.org>
parents: 2873
diff changeset
   402
                       xinerama[i].width, xinerama[i].height,
Sam Lantinga <slouken@libsdl.org>
parents: 2873
diff changeset
   403
                       xinerama[i].x_org, xinerama[i].y_org);
2873
b33e38aaa027 Progress on fullscreen mode switching on X11
Sam Lantinga <slouken@libsdl.org>
parents: 2870
diff changeset
   404
#endif
b33e38aaa027 Progress on fullscreen mode switching on X11
Sam Lantinga <slouken@libsdl.org>
parents: 2870
diff changeset
   405
                if (xinerama[i].screen_number == data->screen) {
2874
Sam Lantinga <slouken@libsdl.org>
parents: 2873
diff changeset
   406
                    data->use_xinerama =
Sam Lantinga <slouken@libsdl.org>
parents: 2873
diff changeset
   407
                        xinerama_major * 100 + xinerama_minor;
2873
b33e38aaa027 Progress on fullscreen mode switching on X11
Sam Lantinga <slouken@libsdl.org>
parents: 2870
diff changeset
   408
                    data->xinerama_info = xinerama[i];
b33e38aaa027 Progress on fullscreen mode switching on X11
Sam Lantinga <slouken@libsdl.org>
parents: 2870
diff changeset
   409
                }
b33e38aaa027 Progress on fullscreen mode switching on X11
Sam Lantinga <slouken@libsdl.org>
parents: 2870
diff changeset
   410
            }
b33e38aaa027 Progress on fullscreen mode switching on X11
Sam Lantinga <slouken@libsdl.org>
parents: 2870
diff changeset
   411
            XFree(xinerama);
b33e38aaa027 Progress on fullscreen mode switching on X11
Sam Lantinga <slouken@libsdl.org>
parents: 2870
diff changeset
   412
        }
b33e38aaa027 Progress on fullscreen mode switching on X11
Sam Lantinga <slouken@libsdl.org>
parents: 2870
diff changeset
   413
b33e38aaa027 Progress on fullscreen mode switching on X11
Sam Lantinga <slouken@libsdl.org>
parents: 2870
diff changeset
   414
        if (data->use_xinerama) {
b33e38aaa027 Progress on fullscreen mode switching on X11
Sam Lantinga <slouken@libsdl.org>
parents: 2870
diff changeset
   415
            /* Add the full xinerama mode */
b33e38aaa027 Progress on fullscreen mode switching on X11
Sam Lantinga <slouken@libsdl.org>
parents: 2870
diff changeset
   416
            if (screen_w > data->xinerama_info.width ||
b33e38aaa027 Progress on fullscreen mode switching on X11
Sam Lantinga <slouken@libsdl.org>
parents: 2870
diff changeset
   417
                screen_h > data->xinerama_info.height) {
b33e38aaa027 Progress on fullscreen mode switching on X11
Sam Lantinga <slouken@libsdl.org>
parents: 2870
diff changeset
   418
                mode.w = screen_w;
b33e38aaa027 Progress on fullscreen mode switching on X11
Sam Lantinga <slouken@libsdl.org>
parents: 2870
diff changeset
   419
                mode.h = screen_h;
b33e38aaa027 Progress on fullscreen mode switching on X11
Sam Lantinga <slouken@libsdl.org>
parents: 2870
diff changeset
   420
                mode.refresh_rate = 0;
3500
4b594623401b Work in progress on multi-display support:
Sam Lantinga <slouken@libsdl.org>
parents: 2963
diff changeset
   421
                SDL_AddDisplayMode(sdl_display, &mode);
2873
b33e38aaa027 Progress on fullscreen mode switching on X11
Sam Lantinga <slouken@libsdl.org>
parents: 2870
diff changeset
   422
            }
b33e38aaa027 Progress on fullscreen mode switching on X11
Sam Lantinga <slouken@libsdl.org>
parents: 2870
diff changeset
   423
b33e38aaa027 Progress on fullscreen mode switching on X11
Sam Lantinga <slouken@libsdl.org>
parents: 2870
diff changeset
   424
            /* Add the head xinerama mode */
b33e38aaa027 Progress on fullscreen mode switching on X11
Sam Lantinga <slouken@libsdl.org>
parents: 2870
diff changeset
   425
            mode.w = data->xinerama_info.width;
b33e38aaa027 Progress on fullscreen mode switching on X11
Sam Lantinga <slouken@libsdl.org>
parents: 2870
diff changeset
   426
            mode.h = data->xinerama_info.height;
b33e38aaa027 Progress on fullscreen mode switching on X11
Sam Lantinga <slouken@libsdl.org>
parents: 2870
diff changeset
   427
            mode.refresh_rate = 0;
3500
4b594623401b Work in progress on multi-display support:
Sam Lantinga <slouken@libsdl.org>
parents: 2963
diff changeset
   428
            SDL_AddDisplayMode(sdl_display, &mode);
2873
b33e38aaa027 Progress on fullscreen mode switching on X11
Sam Lantinga <slouken@libsdl.org>
parents: 2870
diff changeset
   429
        }
b33e38aaa027 Progress on fullscreen mode switching on X11
Sam Lantinga <slouken@libsdl.org>
parents: 2870
diff changeset
   430
    }
b33e38aaa027 Progress on fullscreen mode switching on X11
Sam Lantinga <slouken@libsdl.org>
parents: 2870
diff changeset
   431
#endif /* SDL_VIDEO_DRIVER_X11_XINERAMA */
b33e38aaa027 Progress on fullscreen mode switching on X11
Sam Lantinga <slouken@libsdl.org>
parents: 2870
diff changeset
   432
b33e38aaa027 Progress on fullscreen mode switching on X11
Sam Lantinga <slouken@libsdl.org>
parents: 2870
diff changeset
   433
#if SDL_VIDEO_DRIVER_X11_XRANDR
b33e38aaa027 Progress on fullscreen mode switching on X11
Sam Lantinga <slouken@libsdl.org>
parents: 2870
diff changeset
   434
    /* XRandR */
b33e38aaa027 Progress on fullscreen mode switching on X11
Sam Lantinga <slouken@libsdl.org>
parents: 2870
diff changeset
   435
    /* require at least XRandR v1.0 (arbitrary) */
2874
Sam Lantinga <slouken@libsdl.org>
parents: 2873
diff changeset
   436
    if (CheckXRandR(display, &xrandr_major, &xrandr_minor)
Sam Lantinga <slouken@libsdl.org>
parents: 2873
diff changeset
   437
        && xrandr_major >= 1) {
2873
b33e38aaa027 Progress on fullscreen mode switching on X11
Sam Lantinga <slouken@libsdl.org>
parents: 2870
diff changeset
   438
#ifdef X11MODES_DEBUG
b33e38aaa027 Progress on fullscreen mode switching on X11
Sam Lantinga <slouken@libsdl.org>
parents: 2870
diff changeset
   439
        fprintf(stderr, "XRANDR: XRRQueryVersion: V%d.%d\n",
b33e38aaa027 Progress on fullscreen mode switching on X11
Sam Lantinga <slouken@libsdl.org>
parents: 2870
diff changeset
   440
                xrandr_major, xrandr_minor);
b33e38aaa027 Progress on fullscreen mode switching on X11
Sam Lantinga <slouken@libsdl.org>
parents: 2870
diff changeset
   441
#endif
b33e38aaa027 Progress on fullscreen mode switching on X11
Sam Lantinga <slouken@libsdl.org>
parents: 2870
diff changeset
   442
b33e38aaa027 Progress on fullscreen mode switching on X11
Sam Lantinga <slouken@libsdl.org>
parents: 2870
diff changeset
   443
        /* save the screen configuration since we must reference it
b33e38aaa027 Progress on fullscreen mode switching on X11
Sam Lantinga <slouken@libsdl.org>
parents: 2870
diff changeset
   444
           each time we toggle modes.
2874
Sam Lantinga <slouken@libsdl.org>
parents: 2873
diff changeset
   445
         */
Sam Lantinga <slouken@libsdl.org>
parents: 2873
diff changeset
   446
        data->screen_config =
Sam Lantinga <slouken@libsdl.org>
parents: 2873
diff changeset
   447
            XRRGetScreenInfo(display, RootWindow(display, data->screen));
2873
b33e38aaa027 Progress on fullscreen mode switching on X11
Sam Lantinga <slouken@libsdl.org>
parents: 2870
diff changeset
   448
b33e38aaa027 Progress on fullscreen mode switching on X11
Sam Lantinga <slouken@libsdl.org>
parents: 2870
diff changeset
   449
        /* retrieve the list of resolution */
b33e38aaa027 Progress on fullscreen mode switching on X11
Sam Lantinga <slouken@libsdl.org>
parents: 2870
diff changeset
   450
        sizes = XRRConfigSizes(data->screen_config, &nsizes);
b33e38aaa027 Progress on fullscreen mode switching on X11
Sam Lantinga <slouken@libsdl.org>
parents: 2870
diff changeset
   451
        if (nsizes > 0) {
b33e38aaa027 Progress on fullscreen mode switching on X11
Sam Lantinga <slouken@libsdl.org>
parents: 2870
diff changeset
   452
            int i, j;
2874
Sam Lantinga <slouken@libsdl.org>
parents: 2873
diff changeset
   453
            for (i = 0; i < nsizes; i++) {
2873
b33e38aaa027 Progress on fullscreen mode switching on X11
Sam Lantinga <slouken@libsdl.org>
parents: 2870
diff changeset
   454
                mode.w = sizes[i].width;
b33e38aaa027 Progress on fullscreen mode switching on X11
Sam Lantinga <slouken@libsdl.org>
parents: 2870
diff changeset
   455
                mode.h = sizes[i].height;
b33e38aaa027 Progress on fullscreen mode switching on X11
Sam Lantinga <slouken@libsdl.org>
parents: 2870
diff changeset
   456
b33e38aaa027 Progress on fullscreen mode switching on X11
Sam Lantinga <slouken@libsdl.org>
parents: 2870
diff changeset
   457
                rates = XRRConfigRates(data->screen_config, i, &nrates);
b33e38aaa027 Progress on fullscreen mode switching on X11
Sam Lantinga <slouken@libsdl.org>
parents: 2870
diff changeset
   458
                for (j = 0; j < nrates; ++j) {
b33e38aaa027 Progress on fullscreen mode switching on X11
Sam Lantinga <slouken@libsdl.org>
parents: 2870
diff changeset
   459
                    mode.refresh_rate = rates[j];
b33e38aaa027 Progress on fullscreen mode switching on X11
Sam Lantinga <slouken@libsdl.org>
parents: 2870
diff changeset
   460
#ifdef X11MODES_DEBUG
2874
Sam Lantinga <slouken@libsdl.org>
parents: 2873
diff changeset
   461
                    fprintf(stderr,
Sam Lantinga <slouken@libsdl.org>
parents: 2873
diff changeset
   462
                            "XRANDR: mode = %4d[%d], w = %4d, h = %4d, rate = %4d\n",
2873
b33e38aaa027 Progress on fullscreen mode switching on X11
Sam Lantinga <slouken@libsdl.org>
parents: 2870
diff changeset
   463
                            i, j, mode.w, mode.h, mode.refresh_rate);
b33e38aaa027 Progress on fullscreen mode switching on X11
Sam Lantinga <slouken@libsdl.org>
parents: 2870
diff changeset
   464
#endif
3500
4b594623401b Work in progress on multi-display support:
Sam Lantinga <slouken@libsdl.org>
parents: 2963
diff changeset
   465
                    SDL_AddDisplayMode(sdl_display, &mode);
2873
b33e38aaa027 Progress on fullscreen mode switching on X11
Sam Lantinga <slouken@libsdl.org>
parents: 2870
diff changeset
   466
                }
b33e38aaa027 Progress on fullscreen mode switching on X11
Sam Lantinga <slouken@libsdl.org>
parents: 2870
diff changeset
   467
            }
b33e38aaa027 Progress on fullscreen mode switching on X11
Sam Lantinga <slouken@libsdl.org>
parents: 2870
diff changeset
   468
b33e38aaa027 Progress on fullscreen mode switching on X11
Sam Lantinga <slouken@libsdl.org>
parents: 2870
diff changeset
   469
            data->use_xrandr = xrandr_major * 100 + xrandr_minor;
2874
Sam Lantinga <slouken@libsdl.org>
parents: 2873
diff changeset
   470
            data->saved_size =
Sam Lantinga <slouken@libsdl.org>
parents: 2873
diff changeset
   471
                XRRConfigCurrentConfiguration(data->screen_config,
Sam Lantinga <slouken@libsdl.org>
parents: 2873
diff changeset
   472
                                              &data->saved_rotation);
2873
b33e38aaa027 Progress on fullscreen mode switching on X11
Sam Lantinga <slouken@libsdl.org>
parents: 2870
diff changeset
   473
            data->saved_rate = XRRConfigCurrentRate(data->screen_config);
b33e38aaa027 Progress on fullscreen mode switching on X11
Sam Lantinga <slouken@libsdl.org>
parents: 2870
diff changeset
   474
        }
b33e38aaa027 Progress on fullscreen mode switching on X11
Sam Lantinga <slouken@libsdl.org>
parents: 2870
diff changeset
   475
    }
b33e38aaa027 Progress on fullscreen mode switching on X11
Sam Lantinga <slouken@libsdl.org>
parents: 2870
diff changeset
   476
#endif /* SDL_VIDEO_DRIVER_X11_XRANDR */
b33e38aaa027 Progress on fullscreen mode switching on X11
Sam Lantinga <slouken@libsdl.org>
parents: 2870
diff changeset
   477
5408
35a63789c3f2 Dynamically load the Xinerama and xf86vmode extensions
Sam Lantinga <slouken@libsdl.org>
parents: 5262
diff changeset
   478
#if SDL_VIDEO_DRIVER_X11_XVIDMODE
2873
b33e38aaa027 Progress on fullscreen mode switching on X11
Sam Lantinga <slouken@libsdl.org>
parents: 2870
diff changeset
   479
    /* XVidMode */
b33e38aaa027 Progress on fullscreen mode switching on X11
Sam Lantinga <slouken@libsdl.org>
parents: 2870
diff changeset
   480
    if (!data->use_xrandr &&
b33e38aaa027 Progress on fullscreen mode switching on X11
Sam Lantinga <slouken@libsdl.org>
parents: 2870
diff changeset
   481
#if SDL_VIDEO_DRIVER_X11_XINERAMA
b33e38aaa027 Progress on fullscreen mode switching on X11
Sam Lantinga <slouken@libsdl.org>
parents: 2870
diff changeset
   482
        (!data->use_xinerama || data->xinerama_info.screen_number == 0) &&
b33e38aaa027 Progress on fullscreen mode switching on X11
Sam Lantinga <slouken@libsdl.org>
parents: 2870
diff changeset
   483
#endif
b33e38aaa027 Progress on fullscreen mode switching on X11
Sam Lantinga <slouken@libsdl.org>
parents: 2870
diff changeset
   484
        CheckVidMode(display, &vm_major, &vm_minor) &&
5408
35a63789c3f2 Dynamically load the Xinerama and xf86vmode extensions
Sam Lantinga <slouken@libsdl.org>
parents: 5262
diff changeset
   485
        XF86VidModeGetAllModeLines(display, data->screen, &nmodes, &modes)) {
2873
b33e38aaa027 Progress on fullscreen mode switching on X11
Sam Lantinga <slouken@libsdl.org>
parents: 2870
diff changeset
   486
        int i;
b33e38aaa027 Progress on fullscreen mode switching on X11
Sam Lantinga <slouken@libsdl.org>
parents: 2870
diff changeset
   487
b33e38aaa027 Progress on fullscreen mode switching on X11
Sam Lantinga <slouken@libsdl.org>
parents: 2870
diff changeset
   488
#ifdef X11MODES_DEBUG
b33e38aaa027 Progress on fullscreen mode switching on X11
Sam Lantinga <slouken@libsdl.org>
parents: 2870
diff changeset
   489
        printf("VidMode modes: (unsorted)\n");
b33e38aaa027 Progress on fullscreen mode switching on X11
Sam Lantinga <slouken@libsdl.org>
parents: 2870
diff changeset
   490
        for (i = 0; i < nmodes; ++i) {
b33e38aaa027 Progress on fullscreen mode switching on X11
Sam Lantinga <slouken@libsdl.org>
parents: 2870
diff changeset
   491
            printf("Mode %d: %d x %d @ %d\n", i,
2874
Sam Lantinga <slouken@libsdl.org>
parents: 2873
diff changeset
   492
                   modes[i]->hdisplay, modes[i]->vdisplay,
Sam Lantinga <slouken@libsdl.org>
parents: 2873
diff changeset
   493
                   calculate_rate(modes[i]));
2873
b33e38aaa027 Progress on fullscreen mode switching on X11
Sam Lantinga <slouken@libsdl.org>
parents: 2870
diff changeset
   494
        }
b33e38aaa027 Progress on fullscreen mode switching on X11
Sam Lantinga <slouken@libsdl.org>
parents: 2870
diff changeset
   495
#endif
b33e38aaa027 Progress on fullscreen mode switching on X11
Sam Lantinga <slouken@libsdl.org>
parents: 2870
diff changeset
   496
        for (i = 0; i < nmodes; ++i) {
b33e38aaa027 Progress on fullscreen mode switching on X11
Sam Lantinga <slouken@libsdl.org>
parents: 2870
diff changeset
   497
            mode.w = modes[i]->hdisplay;
b33e38aaa027 Progress on fullscreen mode switching on X11
Sam Lantinga <slouken@libsdl.org>
parents: 2870
diff changeset
   498
            mode.h = modes[i]->vdisplay;
b33e38aaa027 Progress on fullscreen mode switching on X11
Sam Lantinga <slouken@libsdl.org>
parents: 2870
diff changeset
   499
            mode.refresh_rate = calculate_rate(modes[i]);
3500
4b594623401b Work in progress on multi-display support:
Sam Lantinga <slouken@libsdl.org>
parents: 2963
diff changeset
   500
            SDL_AddDisplayMode(sdl_display, &mode);
2873
b33e38aaa027 Progress on fullscreen mode switching on X11
Sam Lantinga <slouken@libsdl.org>
parents: 2870
diff changeset
   501
        }
b33e38aaa027 Progress on fullscreen mode switching on X11
Sam Lantinga <slouken@libsdl.org>
parents: 2870
diff changeset
   502
        XFree(modes);
b33e38aaa027 Progress on fullscreen mode switching on X11
Sam Lantinga <slouken@libsdl.org>
parents: 2870
diff changeset
   503
b33e38aaa027 Progress on fullscreen mode switching on X11
Sam Lantinga <slouken@libsdl.org>
parents: 2870
diff changeset
   504
        data->use_vidmode = vm_major * 100 + vm_minor;
b33e38aaa027 Progress on fullscreen mode switching on X11
Sam Lantinga <slouken@libsdl.org>
parents: 2870
diff changeset
   505
        save_mode(display, data);
b33e38aaa027 Progress on fullscreen mode switching on X11
Sam Lantinga <slouken@libsdl.org>
parents: 2870
diff changeset
   506
    }
5408
35a63789c3f2 Dynamically load the Xinerama and xf86vmode extensions
Sam Lantinga <slouken@libsdl.org>
parents: 5262
diff changeset
   507
#endif /* SDL_VIDEO_DRIVER_X11_XVIDMODE */
2873
b33e38aaa027 Progress on fullscreen mode switching on X11
Sam Lantinga <slouken@libsdl.org>
parents: 2870
diff changeset
   508
b33e38aaa027 Progress on fullscreen mode switching on X11
Sam Lantinga <slouken@libsdl.org>
parents: 2870
diff changeset
   509
    if (!data->use_xrandr && !data->use_vidmode) {
b33e38aaa027 Progress on fullscreen mode switching on X11
Sam Lantinga <slouken@libsdl.org>
parents: 2870
diff changeset
   510
        mode.w = screen_w;
b33e38aaa027 Progress on fullscreen mode switching on X11
Sam Lantinga <slouken@libsdl.org>
parents: 2870
diff changeset
   511
        mode.h = screen_h;
b33e38aaa027 Progress on fullscreen mode switching on X11
Sam Lantinga <slouken@libsdl.org>
parents: 2870
diff changeset
   512
        mode.refresh_rate = 0;
3500
4b594623401b Work in progress on multi-display support:
Sam Lantinga <slouken@libsdl.org>
parents: 2963
diff changeset
   513
        SDL_AddDisplayMode(sdl_display, &mode);
2874
Sam Lantinga <slouken@libsdl.org>
parents: 2873
diff changeset
   514
    }
2873
b33e38aaa027 Progress on fullscreen mode switching on X11
Sam Lantinga <slouken@libsdl.org>
parents: 2870
diff changeset
   515
#ifdef X11MODES_DEBUG
b33e38aaa027 Progress on fullscreen mode switching on X11
Sam Lantinga <slouken@libsdl.org>
parents: 2870
diff changeset
   516
    if (data->use_xinerama) {
b33e38aaa027 Progress on fullscreen mode switching on X11
Sam Lantinga <slouken@libsdl.org>
parents: 2870
diff changeset
   517
        printf("Xinerama is enabled\n");
b33e38aaa027 Progress on fullscreen mode switching on X11
Sam Lantinga <slouken@libsdl.org>
parents: 2870
diff changeset
   518
    }
b33e38aaa027 Progress on fullscreen mode switching on X11
Sam Lantinga <slouken@libsdl.org>
parents: 2870
diff changeset
   519
b33e38aaa027 Progress on fullscreen mode switching on X11
Sam Lantinga <slouken@libsdl.org>
parents: 2870
diff changeset
   520
    if (data->use_xrandr) {
b33e38aaa027 Progress on fullscreen mode switching on X11
Sam Lantinga <slouken@libsdl.org>
parents: 2870
diff changeset
   521
        printf("XRandR is enabled\n");
b33e38aaa027 Progress on fullscreen mode switching on X11
Sam Lantinga <slouken@libsdl.org>
parents: 2870
diff changeset
   522
    }
b33e38aaa027 Progress on fullscreen mode switching on X11
Sam Lantinga <slouken@libsdl.org>
parents: 2870
diff changeset
   523
b33e38aaa027 Progress on fullscreen mode switching on X11
Sam Lantinga <slouken@libsdl.org>
parents: 2870
diff changeset
   524
    if (data->use_vidmode) {
b33e38aaa027 Progress on fullscreen mode switching on X11
Sam Lantinga <slouken@libsdl.org>
parents: 2870
diff changeset
   525
        printf("VidMode is enabled\n");
b33e38aaa027 Progress on fullscreen mode switching on X11
Sam Lantinga <slouken@libsdl.org>
parents: 2870
diff changeset
   526
    }
b33e38aaa027 Progress on fullscreen mode switching on X11
Sam Lantinga <slouken@libsdl.org>
parents: 2870
diff changeset
   527
#endif /* X11MODES_DEBUG */
b33e38aaa027 Progress on fullscreen mode switching on X11
Sam Lantinga <slouken@libsdl.org>
parents: 2870
diff changeset
   528
}
b33e38aaa027 Progress on fullscreen mode switching on X11
Sam Lantinga <slouken@libsdl.org>
parents: 2870
diff changeset
   529
b33e38aaa027 Progress on fullscreen mode switching on X11
Sam Lantinga <slouken@libsdl.org>
parents: 2870
diff changeset
   530
static void
2874
Sam Lantinga <slouken@libsdl.org>
parents: 2873
diff changeset
   531
get_real_resolution(Display * display, SDL_DisplayData * data, int *w, int *h,
Sam Lantinga <slouken@libsdl.org>
parents: 2873
diff changeset
   532
                    int *rate)
2873
b33e38aaa027 Progress on fullscreen mode switching on X11
Sam Lantinga <slouken@libsdl.org>
parents: 2870
diff changeset
   533
{
b33e38aaa027 Progress on fullscreen mode switching on X11
Sam Lantinga <slouken@libsdl.org>
parents: 2870
diff changeset
   534
#if SDL_VIDEO_DRIVER_X11_XRANDR
b33e38aaa027 Progress on fullscreen mode switching on X11
Sam Lantinga <slouken@libsdl.org>
parents: 2870
diff changeset
   535
    if (data->use_xrandr) {
b33e38aaa027 Progress on fullscreen mode switching on X11
Sam Lantinga <slouken@libsdl.org>
parents: 2870
diff changeset
   536
        int nsizes;
b33e38aaa027 Progress on fullscreen mode switching on X11
Sam Lantinga <slouken@libsdl.org>
parents: 2870
diff changeset
   537
        XRRScreenSize *sizes;
2874
Sam Lantinga <slouken@libsdl.org>
parents: 2873
diff changeset
   538
2873
b33e38aaa027 Progress on fullscreen mode switching on X11
Sam Lantinga <slouken@libsdl.org>
parents: 2870
diff changeset
   539
        sizes = XRRConfigSizes(data->screen_config, &nsizes);
b33e38aaa027 Progress on fullscreen mode switching on X11
Sam Lantinga <slouken@libsdl.org>
parents: 2870
diff changeset
   540
        if (nsizes > 0) {
b33e38aaa027 Progress on fullscreen mode switching on X11
Sam Lantinga <slouken@libsdl.org>
parents: 2870
diff changeset
   541
            int cur_size;
b33e38aaa027 Progress on fullscreen mode switching on X11
Sam Lantinga <slouken@libsdl.org>
parents: 2870
diff changeset
   542
            Rotation cur_rotation;
b33e38aaa027 Progress on fullscreen mode switching on X11
Sam Lantinga <slouken@libsdl.org>
parents: 2870
diff changeset
   543
2874
Sam Lantinga <slouken@libsdl.org>
parents: 2873
diff changeset
   544
            cur_size =
Sam Lantinga <slouken@libsdl.org>
parents: 2873
diff changeset
   545
                XRRConfigCurrentConfiguration(data->screen_config,
Sam Lantinga <slouken@libsdl.org>
parents: 2873
diff changeset
   546
                                              &cur_rotation);
2873
b33e38aaa027 Progress on fullscreen mode switching on X11
Sam Lantinga <slouken@libsdl.org>
parents: 2870
diff changeset
   547
            *w = sizes[cur_size].width;
b33e38aaa027 Progress on fullscreen mode switching on X11
Sam Lantinga <slouken@libsdl.org>
parents: 2870
diff changeset
   548
            *h = sizes[cur_size].height;
b33e38aaa027 Progress on fullscreen mode switching on X11
Sam Lantinga <slouken@libsdl.org>
parents: 2870
diff changeset
   549
            *rate = XRRConfigCurrentRate(data->screen_config);
b33e38aaa027 Progress on fullscreen mode switching on X11
Sam Lantinga <slouken@libsdl.org>
parents: 2870
diff changeset
   550
#ifdef X11MODES_DEBUG
2874
Sam Lantinga <slouken@libsdl.org>
parents: 2873
diff changeset
   551
            fprintf(stderr,
Sam Lantinga <slouken@libsdl.org>
parents: 2873
diff changeset
   552
                    "XRANDR: get_real_resolution: w = %d, h = %d, rate = %d\n",
Sam Lantinga <slouken@libsdl.org>
parents: 2873
diff changeset
   553
                    *w, *h, *rate);
2873
b33e38aaa027 Progress on fullscreen mode switching on X11
Sam Lantinga <slouken@libsdl.org>
parents: 2870
diff changeset
   554
#endif
b33e38aaa027 Progress on fullscreen mode switching on X11
Sam Lantinga <slouken@libsdl.org>
parents: 2870
diff changeset
   555
            return;
b33e38aaa027 Progress on fullscreen mode switching on X11
Sam Lantinga <slouken@libsdl.org>
parents: 2870
diff changeset
   556
        }
b33e38aaa027 Progress on fullscreen mode switching on X11
Sam Lantinga <slouken@libsdl.org>
parents: 2870
diff changeset
   557
    }
b33e38aaa027 Progress on fullscreen mode switching on X11
Sam Lantinga <slouken@libsdl.org>
parents: 2870
diff changeset
   558
#endif /* SDL_VIDEO_DRIVER_X11_XRANDR */
b33e38aaa027 Progress on fullscreen mode switching on X11
Sam Lantinga <slouken@libsdl.org>
parents: 2870
diff changeset
   559
5408
35a63789c3f2 Dynamically load the Xinerama and xf86vmode extensions
Sam Lantinga <slouken@libsdl.org>
parents: 5262
diff changeset
   560
#if SDL_VIDEO_DRIVER_X11_XVIDMODE
2873
b33e38aaa027 Progress on fullscreen mode switching on X11
Sam Lantinga <slouken@libsdl.org>
parents: 2870
diff changeset
   561
    if (data->use_vidmode) {
5408
35a63789c3f2 Dynamically load the Xinerama and xf86vmode extensions
Sam Lantinga <slouken@libsdl.org>
parents: 5262
diff changeset
   562
        XF86VidModeModeInfo mode;
2873
b33e38aaa027 Progress on fullscreen mode switching on X11
Sam Lantinga <slouken@libsdl.org>
parents: 2870
diff changeset
   563
5408
35a63789c3f2 Dynamically load the Xinerama and xf86vmode extensions
Sam Lantinga <slouken@libsdl.org>
parents: 5262
diff changeset
   564
        if (XF86VidModeGetModeInfo(display, data->screen, &mode)) {
2873
b33e38aaa027 Progress on fullscreen mode switching on X11
Sam Lantinga <slouken@libsdl.org>
parents: 2870
diff changeset
   565
            *w = mode.hdisplay;
b33e38aaa027 Progress on fullscreen mode switching on X11
Sam Lantinga <slouken@libsdl.org>
parents: 2870
diff changeset
   566
            *h = mode.vdisplay;
b33e38aaa027 Progress on fullscreen mode switching on X11
Sam Lantinga <slouken@libsdl.org>
parents: 2870
diff changeset
   567
            *rate = calculate_rate(&mode);
b33e38aaa027 Progress on fullscreen mode switching on X11
Sam Lantinga <slouken@libsdl.org>
parents: 2870
diff changeset
   568
            return;
b33e38aaa027 Progress on fullscreen mode switching on X11
Sam Lantinga <slouken@libsdl.org>
parents: 2870
diff changeset
   569
        }
b33e38aaa027 Progress on fullscreen mode switching on X11
Sam Lantinga <slouken@libsdl.org>
parents: 2870
diff changeset
   570
    }
5408
35a63789c3f2 Dynamically load the Xinerama and xf86vmode extensions
Sam Lantinga <slouken@libsdl.org>
parents: 5262
diff changeset
   571
#endif /* SDL_VIDEO_DRIVER_X11_XVIDMODE */
2873
b33e38aaa027 Progress on fullscreen mode switching on X11
Sam Lantinga <slouken@libsdl.org>
parents: 2870
diff changeset
   572
b33e38aaa027 Progress on fullscreen mode switching on X11
Sam Lantinga <slouken@libsdl.org>
parents: 2870
diff changeset
   573
#if SDL_VIDEO_DRIVER_X11_XINERAMA
b33e38aaa027 Progress on fullscreen mode switching on X11
Sam Lantinga <slouken@libsdl.org>
parents: 2870
diff changeset
   574
    if (data->use_xinerama) {
b33e38aaa027 Progress on fullscreen mode switching on X11
Sam Lantinga <slouken@libsdl.org>
parents: 2870
diff changeset
   575
        *w = data->xinerama_info.width;
b33e38aaa027 Progress on fullscreen mode switching on X11
Sam Lantinga <slouken@libsdl.org>
parents: 2870
diff changeset
   576
        *h = data->xinerama_info.height;
b33e38aaa027 Progress on fullscreen mode switching on X11
Sam Lantinga <slouken@libsdl.org>
parents: 2870
diff changeset
   577
        *rate = 0;
b33e38aaa027 Progress on fullscreen mode switching on X11
Sam Lantinga <slouken@libsdl.org>
parents: 2870
diff changeset
   578
        return;
b33e38aaa027 Progress on fullscreen mode switching on X11
Sam Lantinga <slouken@libsdl.org>
parents: 2870
diff changeset
   579
    }
b33e38aaa027 Progress on fullscreen mode switching on X11
Sam Lantinga <slouken@libsdl.org>
parents: 2870
diff changeset
   580
#endif /* SDL_VIDEO_DRIVER_X11_XINERAMA */
b33e38aaa027 Progress on fullscreen mode switching on X11
Sam Lantinga <slouken@libsdl.org>
parents: 2870
diff changeset
   581
b33e38aaa027 Progress on fullscreen mode switching on X11
Sam Lantinga <slouken@libsdl.org>
parents: 2870
diff changeset
   582
    *w = DisplayWidth(display, data->screen);
b33e38aaa027 Progress on fullscreen mode switching on X11
Sam Lantinga <slouken@libsdl.org>
parents: 2870
diff changeset
   583
    *h = DisplayHeight(display, data->screen);
b33e38aaa027 Progress on fullscreen mode switching on X11
Sam Lantinga <slouken@libsdl.org>
parents: 2870
diff changeset
   584
    *rate = 0;
b33e38aaa027 Progress on fullscreen mode switching on X11
Sam Lantinga <slouken@libsdl.org>
parents: 2870
diff changeset
   585
}
b33e38aaa027 Progress on fullscreen mode switching on X11
Sam Lantinga <slouken@libsdl.org>
parents: 2870
diff changeset
   586
b33e38aaa027 Progress on fullscreen mode switching on X11
Sam Lantinga <slouken@libsdl.org>
parents: 2870
diff changeset
   587
static void
2874
Sam Lantinga <slouken@libsdl.org>
parents: 2873
diff changeset
   588
set_best_resolution(Display * display, SDL_DisplayData * data, int w, int h,
Sam Lantinga <slouken@libsdl.org>
parents: 2873
diff changeset
   589
                    int rate)
2873
b33e38aaa027 Progress on fullscreen mode switching on X11
Sam Lantinga <slouken@libsdl.org>
parents: 2870
diff changeset
   590
{
b33e38aaa027 Progress on fullscreen mode switching on X11
Sam Lantinga <slouken@libsdl.org>
parents: 2870
diff changeset
   591
    int real_w, real_h, real_rate;
b33e38aaa027 Progress on fullscreen mode switching on X11
Sam Lantinga <slouken@libsdl.org>
parents: 2870
diff changeset
   592
b33e38aaa027 Progress on fullscreen mode switching on X11
Sam Lantinga <slouken@libsdl.org>
parents: 2870
diff changeset
   593
    /* check current mode so we can avoid uneccessary mode changes */
b33e38aaa027 Progress on fullscreen mode switching on X11
Sam Lantinga <slouken@libsdl.org>
parents: 2870
diff changeset
   594
    get_real_resolution(display, data, &real_w, &real_h, &real_rate);
b33e38aaa027 Progress on fullscreen mode switching on X11
Sam Lantinga <slouken@libsdl.org>
parents: 2870
diff changeset
   595
    if (w == real_w && h == real_h && (!rate || rate == real_rate)) {
b33e38aaa027 Progress on fullscreen mode switching on X11
Sam Lantinga <slouken@libsdl.org>
parents: 2870
diff changeset
   596
        return;
b33e38aaa027 Progress on fullscreen mode switching on X11
Sam Lantinga <slouken@libsdl.org>
parents: 2870
diff changeset
   597
    }
b33e38aaa027 Progress on fullscreen mode switching on X11
Sam Lantinga <slouken@libsdl.org>
parents: 2870
diff changeset
   598
#if SDL_VIDEO_DRIVER_X11_XRANDR
b33e38aaa027 Progress on fullscreen mode switching on X11
Sam Lantinga <slouken@libsdl.org>
parents: 2870
diff changeset
   599
    if (data->use_xrandr) {
b33e38aaa027 Progress on fullscreen mode switching on X11
Sam Lantinga <slouken@libsdl.org>
parents: 2870
diff changeset
   600
#ifdef X11MODES_DEBUG
b33e38aaa027 Progress on fullscreen mode switching on X11
Sam Lantinga <slouken@libsdl.org>
parents: 2870
diff changeset
   601
        fprintf(stderr, "XRANDR: set_best_resolution(): w = %d, h = %d\n",
b33e38aaa027 Progress on fullscreen mode switching on X11
Sam Lantinga <slouken@libsdl.org>
parents: 2870
diff changeset
   602
                w, h);
b33e38aaa027 Progress on fullscreen mode switching on X11
Sam Lantinga <slouken@libsdl.org>
parents: 2870
diff changeset
   603
#endif
b33e38aaa027 Progress on fullscreen mode switching on X11
Sam Lantinga <slouken@libsdl.org>
parents: 2870
diff changeset
   604
        int i, nsizes, nrates;
b33e38aaa027 Progress on fullscreen mode switching on X11
Sam Lantinga <slouken@libsdl.org>
parents: 2870
diff changeset
   605
        int best;
b33e38aaa027 Progress on fullscreen mode switching on X11
Sam Lantinga <slouken@libsdl.org>
parents: 2870
diff changeset
   606
        int best_rate;
b33e38aaa027 Progress on fullscreen mode switching on X11
Sam Lantinga <slouken@libsdl.org>
parents: 2870
diff changeset
   607
        XRRScreenSize *sizes;
b33e38aaa027 Progress on fullscreen mode switching on X11
Sam Lantinga <slouken@libsdl.org>
parents: 2870
diff changeset
   608
        short *rates;
b33e38aaa027 Progress on fullscreen mode switching on X11
Sam Lantinga <slouken@libsdl.org>
parents: 2870
diff changeset
   609
b33e38aaa027 Progress on fullscreen mode switching on X11
Sam Lantinga <slouken@libsdl.org>
parents: 2870
diff changeset
   610
        /* find the smallest resolution that is at least as big as the user requested */
b33e38aaa027 Progress on fullscreen mode switching on X11
Sam Lantinga <slouken@libsdl.org>
parents: 2870
diff changeset
   611
        best = -1;
b33e38aaa027 Progress on fullscreen mode switching on X11
Sam Lantinga <slouken@libsdl.org>
parents: 2870
diff changeset
   612
        sizes = XRRConfigSizes(data->screen_config, &nsizes);
b33e38aaa027 Progress on fullscreen mode switching on X11
Sam Lantinga <slouken@libsdl.org>
parents: 2870
diff changeset
   613
        for (i = 0; i < nsizes; ++i) {
b33e38aaa027 Progress on fullscreen mode switching on X11
Sam Lantinga <slouken@libsdl.org>
parents: 2870
diff changeset
   614
            if (sizes[i].width < w || sizes[i].height < h) {
b33e38aaa027 Progress on fullscreen mode switching on X11
Sam Lantinga <slouken@libsdl.org>
parents: 2870
diff changeset
   615
                continue;
b33e38aaa027 Progress on fullscreen mode switching on X11
Sam Lantinga <slouken@libsdl.org>
parents: 2870
diff changeset
   616
            }
b33e38aaa027 Progress on fullscreen mode switching on X11
Sam Lantinga <slouken@libsdl.org>
parents: 2870
diff changeset
   617
            if (sizes[i].width == w && sizes[i].height == h) {
b33e38aaa027 Progress on fullscreen mode switching on X11
Sam Lantinga <slouken@libsdl.org>
parents: 2870
diff changeset
   618
                best = i;
b33e38aaa027 Progress on fullscreen mode switching on X11
Sam Lantinga <slouken@libsdl.org>
parents: 2870
diff changeset
   619
                break;
b33e38aaa027 Progress on fullscreen mode switching on X11
Sam Lantinga <slouken@libsdl.org>
parents: 2870
diff changeset
   620
            }
b33e38aaa027 Progress on fullscreen mode switching on X11
Sam Lantinga <slouken@libsdl.org>
parents: 2870
diff changeset
   621
            if (best == -1 ||
b33e38aaa027 Progress on fullscreen mode switching on X11
Sam Lantinga <slouken@libsdl.org>
parents: 2870
diff changeset
   622
                (sizes[i].width < sizes[best].width) ||
2874
Sam Lantinga <slouken@libsdl.org>
parents: 2873
diff changeset
   623
                (sizes[i].width == sizes[best].width
Sam Lantinga <slouken@libsdl.org>
parents: 2873
diff changeset
   624
                 && sizes[i].height < sizes[best].height)) {
2873
b33e38aaa027 Progress on fullscreen mode switching on X11
Sam Lantinga <slouken@libsdl.org>
parents: 2870
diff changeset
   625
                best = i;
b33e38aaa027 Progress on fullscreen mode switching on X11
Sam Lantinga <slouken@libsdl.org>
parents: 2870
diff changeset
   626
            }
b33e38aaa027 Progress on fullscreen mode switching on X11
Sam Lantinga <slouken@libsdl.org>
parents: 2870
diff changeset
   627
        }
b33e38aaa027 Progress on fullscreen mode switching on X11
Sam Lantinga <slouken@libsdl.org>
parents: 2870
diff changeset
   628
b33e38aaa027 Progress on fullscreen mode switching on X11
Sam Lantinga <slouken@libsdl.org>
parents: 2870
diff changeset
   629
        if (best >= 0) {
b33e38aaa027 Progress on fullscreen mode switching on X11
Sam Lantinga <slouken@libsdl.org>
parents: 2870
diff changeset
   630
            best_rate = 0;
b33e38aaa027 Progress on fullscreen mode switching on X11
Sam Lantinga <slouken@libsdl.org>
parents: 2870
diff changeset
   631
            rates = XRRConfigRates(data->screen_config, best, &nrates);
b33e38aaa027 Progress on fullscreen mode switching on X11
Sam Lantinga <slouken@libsdl.org>
parents: 2870
diff changeset
   632
            for (i = 0; i < nrates; ++i) {
b33e38aaa027 Progress on fullscreen mode switching on X11
Sam Lantinga <slouken@libsdl.org>
parents: 2870
diff changeset
   633
                if (rates[i] == rate) {
b33e38aaa027 Progress on fullscreen mode switching on X11
Sam Lantinga <slouken@libsdl.org>
parents: 2870
diff changeset
   634
                    best_rate = rate;
b33e38aaa027 Progress on fullscreen mode switching on X11
Sam Lantinga <slouken@libsdl.org>
parents: 2870
diff changeset
   635
                    break;
b33e38aaa027 Progress on fullscreen mode switching on X11
Sam Lantinga <slouken@libsdl.org>
parents: 2870
diff changeset
   636
                }
b33e38aaa027 Progress on fullscreen mode switching on X11
Sam Lantinga <slouken@libsdl.org>
parents: 2870
diff changeset
   637
                if (!rate) {
b33e38aaa027 Progress on fullscreen mode switching on X11
Sam Lantinga <slouken@libsdl.org>
parents: 2870
diff changeset
   638
                    /* Higher is better, right? */
b33e38aaa027 Progress on fullscreen mode switching on X11
Sam Lantinga <slouken@libsdl.org>
parents: 2870
diff changeset
   639
                    if (rates[i] > best_rate) {
b33e38aaa027 Progress on fullscreen mode switching on X11
Sam Lantinga <slouken@libsdl.org>
parents: 2870
diff changeset
   640
                        best_rate = rates[i];
b33e38aaa027 Progress on fullscreen mode switching on X11
Sam Lantinga <slouken@libsdl.org>
parents: 2870
diff changeset
   641
                    }
b33e38aaa027 Progress on fullscreen mode switching on X11
Sam Lantinga <slouken@libsdl.org>
parents: 2870
diff changeset
   642
                } else {
2874
Sam Lantinga <slouken@libsdl.org>
parents: 2873
diff changeset
   643
                    if (SDL_abs(rates[i] - rate) < SDL_abs(best_rate - rate)) {
2873
b33e38aaa027 Progress on fullscreen mode switching on X11
Sam Lantinga <slouken@libsdl.org>
parents: 2870
diff changeset
   644
                        best_rate = rates[i];
b33e38aaa027 Progress on fullscreen mode switching on X11
Sam Lantinga <slouken@libsdl.org>
parents: 2870
diff changeset
   645
                    }
b33e38aaa027 Progress on fullscreen mode switching on X11
Sam Lantinga <slouken@libsdl.org>
parents: 2870
diff changeset
   646
                }
b33e38aaa027 Progress on fullscreen mode switching on X11
Sam Lantinga <slouken@libsdl.org>
parents: 2870
diff changeset
   647
            }
2874
Sam Lantinga <slouken@libsdl.org>
parents: 2873
diff changeset
   648
            XRRSetScreenConfigAndRate(display, data->screen_config,
Sam Lantinga <slouken@libsdl.org>
parents: 2873
diff changeset
   649
                                      RootWindow(display, data->screen), best,
Sam Lantinga <slouken@libsdl.org>
parents: 2873
diff changeset
   650
                                      data->saved_rotation, best_rate,
Sam Lantinga <slouken@libsdl.org>
parents: 2873
diff changeset
   651
                                      CurrentTime);
2873
b33e38aaa027 Progress on fullscreen mode switching on X11
Sam Lantinga <slouken@libsdl.org>
parents: 2870
diff changeset
   652
        }
b33e38aaa027 Progress on fullscreen mode switching on X11
Sam Lantinga <slouken@libsdl.org>
parents: 2870
diff changeset
   653
        return;
b33e38aaa027 Progress on fullscreen mode switching on X11
Sam Lantinga <slouken@libsdl.org>
parents: 2870
diff changeset
   654
    }
b33e38aaa027 Progress on fullscreen mode switching on X11
Sam Lantinga <slouken@libsdl.org>
parents: 2870
diff changeset
   655
#endif /* SDL_VIDEO_DRIVER_X11_XRANDR */
b33e38aaa027 Progress on fullscreen mode switching on X11
Sam Lantinga <slouken@libsdl.org>
parents: 2870
diff changeset
   656
5408
35a63789c3f2 Dynamically load the Xinerama and xf86vmode extensions
Sam Lantinga <slouken@libsdl.org>
parents: 5262
diff changeset
   657
#if SDL_VIDEO_DRIVER_X11_XVIDMODE
2873
b33e38aaa027 Progress on fullscreen mode switching on X11
Sam Lantinga <slouken@libsdl.org>
parents: 2870
diff changeset
   658
    if (data->use_vidmode) {
5408
35a63789c3f2 Dynamically load the Xinerama and xf86vmode extensions
Sam Lantinga <slouken@libsdl.org>
parents: 5262
diff changeset
   659
        XF86VidModeModeInfo ** modes;
2873
b33e38aaa027 Progress on fullscreen mode switching on X11
Sam Lantinga <slouken@libsdl.org>
parents: 2870
diff changeset
   660
        int i, nmodes;
b33e38aaa027 Progress on fullscreen mode switching on X11
Sam Lantinga <slouken@libsdl.org>
parents: 2870
diff changeset
   661
        int best;
b33e38aaa027 Progress on fullscreen mode switching on X11
Sam Lantinga <slouken@libsdl.org>
parents: 2870
diff changeset
   662
5408
35a63789c3f2 Dynamically load the Xinerama and xf86vmode extensions
Sam Lantinga <slouken@libsdl.org>
parents: 5262
diff changeset
   663
        if (XF86VidModeGetAllModeLines(display, data->screen, &nmodes, &modes)) {
2873
b33e38aaa027 Progress on fullscreen mode switching on X11
Sam Lantinga <slouken@libsdl.org>
parents: 2870
diff changeset
   664
            best = -1;
b33e38aaa027 Progress on fullscreen mode switching on X11
Sam Lantinga <slouken@libsdl.org>
parents: 2870
diff changeset
   665
            for (i = 0; i < nmodes; ++i) {
b33e38aaa027 Progress on fullscreen mode switching on X11
Sam Lantinga <slouken@libsdl.org>
parents: 2870
diff changeset
   666
                if (modes[i]->hdisplay < w || modes[i]->vdisplay < h) {
b33e38aaa027 Progress on fullscreen mode switching on X11
Sam Lantinga <slouken@libsdl.org>
parents: 2870
diff changeset
   667
                    continue;
b33e38aaa027 Progress on fullscreen mode switching on X11
Sam Lantinga <slouken@libsdl.org>
parents: 2870
diff changeset
   668
                }
b33e38aaa027 Progress on fullscreen mode switching on X11
Sam Lantinga <slouken@libsdl.org>
parents: 2870
diff changeset
   669
                if (best == -1 ||
b33e38aaa027 Progress on fullscreen mode switching on X11
Sam Lantinga <slouken@libsdl.org>
parents: 2870
diff changeset
   670
                    (modes[i]->hdisplay < modes[best]->hdisplay) ||
2874
Sam Lantinga <slouken@libsdl.org>
parents: 2873
diff changeset
   671
                    (modes[i]->hdisplay == modes[best]->hdisplay
Sam Lantinga <slouken@libsdl.org>
parents: 2873
diff changeset
   672
                     && modes[i]->vdisplay < modes[best]->vdisplay)) {
2873
b33e38aaa027 Progress on fullscreen mode switching on X11
Sam Lantinga <slouken@libsdl.org>
parents: 2870
diff changeset
   673
                    best = i;
b33e38aaa027 Progress on fullscreen mode switching on X11
Sam Lantinga <slouken@libsdl.org>
parents: 2870
diff changeset
   674
                    continue;
b33e38aaa027 Progress on fullscreen mode switching on X11
Sam Lantinga <slouken@libsdl.org>
parents: 2870
diff changeset
   675
                }
b33e38aaa027 Progress on fullscreen mode switching on X11
Sam Lantinga <slouken@libsdl.org>
parents: 2870
diff changeset
   676
                if ((modes[i]->hdisplay == modes[best]->hdisplay) &&
b33e38aaa027 Progress on fullscreen mode switching on X11
Sam Lantinga <slouken@libsdl.org>
parents: 2870
diff changeset
   677
                    (modes[i]->vdisplay == modes[best]->vdisplay)) {
b33e38aaa027 Progress on fullscreen mode switching on X11
Sam Lantinga <slouken@libsdl.org>
parents: 2870
diff changeset
   678
                    if (!rate) {
b33e38aaa027 Progress on fullscreen mode switching on X11
Sam Lantinga <slouken@libsdl.org>
parents: 2870
diff changeset
   679
                        /* Higher is better, right? */
2874
Sam Lantinga <slouken@libsdl.org>
parents: 2873
diff changeset
   680
                        if (calculate_rate(modes[i]) >
Sam Lantinga <slouken@libsdl.org>
parents: 2873
diff changeset
   681
                            calculate_rate(modes[best])) {
2873
b33e38aaa027 Progress on fullscreen mode switching on X11
Sam Lantinga <slouken@libsdl.org>
parents: 2870
diff changeset
   682
                            best = i;
b33e38aaa027 Progress on fullscreen mode switching on X11
Sam Lantinga <slouken@libsdl.org>
parents: 2870
diff changeset
   683
                        }
b33e38aaa027 Progress on fullscreen mode switching on X11
Sam Lantinga <slouken@libsdl.org>
parents: 2870
diff changeset
   684
                    } else {
2874
Sam Lantinga <slouken@libsdl.org>
parents: 2873
diff changeset
   685
                        if (SDL_abs(calculate_rate(modes[i]) - rate) <
Sam Lantinga <slouken@libsdl.org>
parents: 2873
diff changeset
   686
                            SDL_abs(calculate_rate(modes[best]) - rate)) {
2873
b33e38aaa027 Progress on fullscreen mode switching on X11
Sam Lantinga <slouken@libsdl.org>
parents: 2870
diff changeset
   687
                            best = i;
b33e38aaa027 Progress on fullscreen mode switching on X11
Sam Lantinga <slouken@libsdl.org>
parents: 2870
diff changeset
   688
                        }
b33e38aaa027 Progress on fullscreen mode switching on X11
Sam Lantinga <slouken@libsdl.org>
parents: 2870
diff changeset
   689
                    }
b33e38aaa027 Progress on fullscreen mode switching on X11
Sam Lantinga <slouken@libsdl.org>
parents: 2870
diff changeset
   690
                }
b33e38aaa027 Progress on fullscreen mode switching on X11
Sam Lantinga <slouken@libsdl.org>
parents: 2870
diff changeset
   691
            }
b33e38aaa027 Progress on fullscreen mode switching on X11
Sam Lantinga <slouken@libsdl.org>
parents: 2870
diff changeset
   692
            if (best >= 0) {
b33e38aaa027 Progress on fullscreen mode switching on X11
Sam Lantinga <slouken@libsdl.org>
parents: 2870
diff changeset
   693
#ifdef X11MODES_DEBUG
b33e38aaa027 Progress on fullscreen mode switching on X11
Sam Lantinga <slouken@libsdl.org>
parents: 2870
diff changeset
   694
                printf("Best Mode %d: %d x %d @ %d\n", best,
2874
Sam Lantinga <slouken@libsdl.org>
parents: 2873
diff changeset
   695
                       modes[best]->hdisplay, modes[best]->vdisplay,
Sam Lantinga <slouken@libsdl.org>
parents: 2873
diff changeset
   696
                       calculate_rate(modes[best]));
2873
b33e38aaa027 Progress on fullscreen mode switching on X11
Sam Lantinga <slouken@libsdl.org>
parents: 2870
diff changeset
   697
#endif
5408
35a63789c3f2 Dynamically load the Xinerama and xf86vmode extensions
Sam Lantinga <slouken@libsdl.org>
parents: 5262
diff changeset
   698
                XF86VidModeSwitchToMode(display, data->screen, modes[best]);
2873
b33e38aaa027 Progress on fullscreen mode switching on X11
Sam Lantinga <slouken@libsdl.org>
parents: 2870
diff changeset
   699
            }
b33e38aaa027 Progress on fullscreen mode switching on X11
Sam Lantinga <slouken@libsdl.org>
parents: 2870
diff changeset
   700
            XFree(modes);
b33e38aaa027 Progress on fullscreen mode switching on X11
Sam Lantinga <slouken@libsdl.org>
parents: 2870
diff changeset
   701
        }
b33e38aaa027 Progress on fullscreen mode switching on X11
Sam Lantinga <slouken@libsdl.org>
parents: 2870
diff changeset
   702
        return;
b33e38aaa027 Progress on fullscreen mode switching on X11
Sam Lantinga <slouken@libsdl.org>
parents: 2870
diff changeset
   703
    }
5408
35a63789c3f2 Dynamically load the Xinerama and xf86vmode extensions
Sam Lantinga <slouken@libsdl.org>
parents: 5262
diff changeset
   704
#endif /* SDL_VIDEO_DRIVER_X11_XVIDMODE */
1950
a344e42bce3b Started work on the new X11 driver.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   705
}
a344e42bce3b Started work on the new X11 driver.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   706
a344e42bce3b Started work on the new X11 driver.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   707
int
3500
4b594623401b Work in progress on multi-display support:
Sam Lantinga <slouken@libsdl.org>
parents: 2963
diff changeset
   708
X11_SetDisplayMode(_THIS, SDL_VideoDisplay * sdl_display, SDL_DisplayMode * mode)
1950
a344e42bce3b Started work on the new X11 driver.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   709
{
2873
b33e38aaa027 Progress on fullscreen mode switching on X11
Sam Lantinga <slouken@libsdl.org>
parents: 2870
diff changeset
   710
    Display *display = ((SDL_VideoData *) _this->driverdata)->display;
3500
4b594623401b Work in progress on multi-display support:
Sam Lantinga <slouken@libsdl.org>
parents: 2963
diff changeset
   711
    SDL_DisplayData *data = (SDL_DisplayData *) sdl_display->driverdata;
2873
b33e38aaa027 Progress on fullscreen mode switching on X11
Sam Lantinga <slouken@libsdl.org>
parents: 2870
diff changeset
   712
b33e38aaa027 Progress on fullscreen mode switching on X11
Sam Lantinga <slouken@libsdl.org>
parents: 2870
diff changeset
   713
    set_best_resolution(display, data, mode->w, mode->h, mode->refresh_rate);
b33e38aaa027 Progress on fullscreen mode switching on X11
Sam Lantinga <slouken@libsdl.org>
parents: 2870
diff changeset
   714
    return 0;
1950
a344e42bce3b Started work on the new X11 driver.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   715
}
a344e42bce3b Started work on the new X11 driver.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   716
a344e42bce3b Started work on the new X11 driver.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   717
void
a344e42bce3b Started work on the new X11 driver.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   718
X11_QuitModes(_THIS)
a344e42bce3b Started work on the new X11 driver.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   719
{
a344e42bce3b Started work on the new X11 driver.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   720
}
a344e42bce3b Started work on the new X11 driver.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   721
5481
22dfc3958dc3 Fixed so code will compile with SDL_config_minimal.h
Sam Lantinga <slouken@libsdl.org>
parents: 5466
diff changeset
   722
#endif /* SDL_VIDEO_DRIVER_X11 */
22dfc3958dc3 Fixed so code will compile with SDL_config_minimal.h
Sam Lantinga <slouken@libsdl.org>
parents: 5466
diff changeset
   723
1950
a344e42bce3b Started work on the new X11 driver.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   724
/* vi: set ts=4 sw=4 expandtab: */