src/video/x11/SDL_x11modes.c
changeset 1950 a344e42bce3b
child 1951 7177581dc9fa
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/video/x11/SDL_x11modes.c	Wed Jul 26 06:34:54 2006 +0000
@@ -0,0 +1,139 @@
+/*
+    SDL - Simple DirectMedia Layer
+    Copyright (C) 1997-2006 Sam Lantinga
+
+    This library is free software; you can redistribute it and/or
+    modify it under the terms of the GNU Lesser General Public
+    License as published by the Free Software Foundation; either
+    version 2.1 of the License, or (at your option) any later version.
+
+    This library is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+    Lesser General Public License for more details.
+
+    You should have received a copy of the GNU Lesser General Public
+    License along with this library; if not, write to the Free Software
+    Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+
+    Sam Lantinga
+    slouken@libsdl.org
+*/
+#include "SDL_config.h"
+
+#include "SDL_x11video.h"
+
+
+static int
+get_visualinfo(Display * display, int screen, XVisualInfo * vinfo)
+{
+    const char *visual_id = SDL_getenv("SDL_VIDEO_X11_VISUALID");
+    int use_directcolor = 1;
+    int depth;
+
+    /* Look for an exact visual, if requested */
+    if (visual_id) {
+        XVisualInfo *vi, template;
+        int nvis;
+
+        SDL_zero(template);
+        template.visualid = SDL_strtol(visual_id, NULL, 0);
+        vi = XGetVisualInfo(display, VisualIDMask, &template, &nvis);
+        if (vi) {
+            *vinfo = *vi;
+            XFree(vi);
+            return 0;
+        }
+    }
+
+    depth = DefaultDepth(display, screen);
+    if ((use_directcolor &&
+         XMatchVisualInfo(display, screen, depth, DirectColor, vinfo)) ||
+        XMatchVisualInfo(display, screen, depth, TrueColor, vinfo) ||
+        XMatchVisualInfo(display, screen, depth, PseudoColor, vinfo) ||
+        XMatchVisualInfo(display, screen, depth, StaticColor, vinfo)) {
+        return 0;
+    }
+    return -1;
+}
+
+void
+X11_InitModes(_THIS)
+{
+    SDL_VideoData *data = (SDL_VideoData *) _this->driverdata;
+    int screen;
+    int n;
+    XPixmapFormatValues *p;
+
+    p = XListPixmapFormats(data->display, &n);
+    for (screen = 0; screen < ScreenCount(data->display); ++screen) {
+        XVisualInfo vinfo;
+        int i, bpp;
+        Uint32 Rmask, Gmask, Bmask, Amask;
+        SDL_VideoDisplay display;
+        SDL_DisplayData *displaydata;
+        SDL_DisplayMode mode;
+
+        if (get_visualinfo(data->display, screen, &vinfo) < 0) {
+            continue;
+        }
+
+        bpp = vinfo.depth;
+        for (i = 0; i < n; ++i) {
+            if (p[i].depth == vinfo.depth) {
+                bpp = p[i].bits_per_pixel;
+                break;
+            }
+        }
+        Rmask = vinfo.visual->red_mask;
+        Gmask = vinfo.visual->green_mask;
+        Bmask = vinfo.visual->blue_mask;
+        if (vinfo.depth == 32) {
+            Amask = (0xFFFFFFFF & ~(Rmask | Gmask | Bmask));
+        } else {
+            Amask = 0;
+        }
+        mode.format =
+            SDL_MasksToPixelFormatEnum(bpp, Rmask, Gmask, Bmask, Amask);
+        mode.w = DisplayWidth(data->display, screen);
+        mode.h = DisplayHeight(data->display, screen);
+        mode.refresh_rate = 0;
+        mode.driverdata = NULL;
+
+        displaydata = (SDL_DisplayData *) SDL_malloc(sizeof(*displaydata));
+        if (!displaydata) {
+            continue;
+        }
+        displaydata->screen = screen;
+        displaydata->visual = vinfo.visual;
+
+        SDL_zero(display);
+        display.desktop_mode = mode;
+        display.current_mode = mode;
+        display.driverdata = displaydata;
+        SDL_AddVideoDisplay(&display);
+    }
+    XFree(p);
+}
+
+void
+X11_GetDisplayModes(_THIS)
+{
+    SDL_DisplayData *data = (SDL_DisplayData *) SDL_CurrentDisplay.driverdata;
+    SDL_DisplayMode mode;
+    //SDL_AddDisplayMode(_this->current_display, &mode);
+}
+
+int
+X11_SetDisplayMode(_THIS, SDL_DisplayMode * mode)
+{
+    //SDL_DisplayModeData *data = (SDL_DisplayModeData *) mode->driverdata;
+    return -1;
+}
+
+void
+X11_QuitModes(_THIS)
+{
+}
+
+/* vi: set ts=4 sw=4 expandtab: */