libvo/vo_xmga.c

   1
   2 //#define SHOW_TIME
   3
   4 /*
   5  *    vo_xmga.c
   6  *
   7  *      Copyright (C) Zoltan Ponekker - Jan 2001
   8  *
   9  */
  10
  11 #include <stdio.h>
  12 #include <stdlib.h>
  13 #include <string.h>
  14
  15 #include "config.h"
  16
  17 #include "video_out.h"
  18 #include "video_out_internal.h"
  19
  20
  21 #include <sys/ioctl.h>
  22 #include <unistd.h>
  23 #include <fcntl.h>
  24 #include <sys/mman.h>
  25
  26 #include "drivers/mga_vid.h"
  27
  28 #include <X11/Xlib.h>
  29 #include <X11/Xutil.h>
  30 #include <errno.h>
  31
  32 #ifdef CONFIG_XINERAMA
  33 #include <X11/extensions/Xinerama.h>
  34 #endif
  35
  36 #include "x11_common.h"
  37 #include "sub.h"
  38 #include "aspect.h"
  39
  40 #ifdef SHOW_TIME
  41 #include "osdep/timer.h"
  42 static unsigned int timer = 0;
  43 static unsigned int timerd = 0;
  44 #endif
  45
  46 #ifdef CONFIG_GUI
  47 #include "gui/interface.h"
  48 #endif
  49
  50 static const vo_info_t info = {
  51     "Matrox G200/G4x0/G550 overlay in X11 window (using /dev/mga_vid)",
  52     "xmga",
  53     "Zoltan Ponekker <pontscho@makacs.poliod.hu>",
  54     ""
  55 };
  56
  57 const LIBVO_EXTERN(xmga)
  58
  59 static uint32_t mDepth;
  60 static XWindowAttributes attribs;
  61 static int colorkey;
  62
  63 static uint32_t mvHeight;
  64 static uint32_t mvWidth;
  65
  66 static Window mRoot;
  67
  68 static XSetWindowAttributes xWAttribs;
  69
  70 static int initialized = 0;
  71
  72 #define VO_XMGA
  73 #include "mga_common.c"
  74 #undef  VO_XMGA
  75
  76 static void mDrawColorKey(void)
  77 {
  78     XSetBackground(mDisplay, vo_gc, 0);
  79     XClearWindow(mDisplay, vo_window);
  80     XSetForeground(mDisplay, vo_gc, colorkey);
  81     XFillRectangle(mDisplay, vo_window, vo_gc, drwX, drwY, drwWidth,
  82                    (vo_fs ? drwHeight - 1 : drwHeight));
  83     XFlush(mDisplay);
  84 }
  85
  86 static void check_events(void)
  87 {
  88     int e = vo_x11_check_events(mDisplay);
  89
  90     if (!(e & VO_EVENT_RESIZE) && !(e & VO_EVENT_EXPOSE))
  91         return;
  92     set_window();
  93     mDrawColorKey();
  94     if (ioctl(f, MGA_VID_CONFIG, &mga_vid_config))
  95         mp_msg(MSGT_VO, MSGL_WARN,
  96                "Error in mga_vid_config ioctl (wrong mga_vid.o version?)");
  97 }
  98
  99 static void flip_page(void)
 100 {
 101 #ifdef SHOW_TIME
 102     unsigned int t;
 103
 104     t = GetTimer();
 105     mp_msg(MSGT_VO, MSGL_STATUS,
 106            "  [timer: %08X  diff: %6d  dd: %6d ]  \n", t, t - timer,
 107            (t - timer) - timerd);
 108     timerd = t - timer;
 109     timer = t;
 110 #endif
 111
 112     vo_mga_flip_page();
 113 }
 114
 115 static int config(uint32_t width, uint32_t height, uint32_t d_width,
 116                        uint32_t d_height, uint32_t flags, char *title,
 117                        uint32_t format)
 118 {
 119     XVisualInfo vinfo;
 120     unsigned long xswamask;
 121     int r, g, b;
 122
 123     if (mga_init(width, height, format))
 124         return -1;              // ioctl errors?
 125
 126     aspect_save_orig(width, height);
 127     aspect_save_prescale(d_width, d_height);
 128     update_xinerama_info();
 129
 130     mvWidth = width;
 131     mvHeight = height;
 132
 133     vo_panscan_x = vo_panscan_y = vo_panscan_amount = 0;
 134
 135     aspect(&d_width, &d_height, A_NOZOOM);
 136     vo_dx = (vo_screenwidth - d_width) / 2;
 137     vo_dy = (vo_screenheight - d_height) / 2;
 138     geometry(&vo_dx, &vo_dy, &d_width, &d_height, vo_screenwidth,
 139              vo_screenheight);
 140     vo_dx += xinerama_x;
 141     vo_dy += xinerama_y;
 142     vo_dwidth = d_width;
 143     vo_dheight = d_height;
 144
 145     r = (vo_colorkey & 0x00ff0000) >> 16;
 146     g = (vo_colorkey & 0x0000ff00) >> 8;
 147     b = vo_colorkey & 0x000000ff;
 148     switch (vo_depthonscreen)
 149     {
 150         case 32:
 151             colorkey = vo_colorkey;
 152             break;
 153         case 24:
 154             colorkey = vo_colorkey & 0x00ffffff;
 155             break;
 156         case 16:
 157             colorkey = ((r >> 3) << 11) | ((g >> 2) << 5) | (b >> 3);
 158             break;
 159         case 15:
 160             colorkey = ((r >> 3) << 10) | ((g >> 3) << 5) | (b >> 3);
 161             break;
 162         default:
 163             mp_msg(MSGT_VO, MSGL_ERR,
 164                    "Sorry, this (%d) color depth not supported.\n",
 165                    vo_depthonscreen);
 166             return -1;
 167     }
 168     mp_msg(MSGT_VO, MSGL_V, "Using colorkey: %x\n", colorkey);
 169
 170     initialized = 1;
 171
 172 #ifdef CONFIG_GUI
 173     if (use_gui)
 174         guiGetEvent(guiSetShVideo, 0);  // the GUI will set up / resize the window
 175     else
 176 #endif
 177     {
 178         if (flags & VOFLAG_FULLSCREEN)
 179             aspect(&dwidth, &dheight, A_ZOOM);
 180
 181         XGetWindowAttributes(mDisplay, mRootWin, &attribs);
 182         mDepth = attribs.depth;
 183         if (mDepth != 15 && mDepth != 16 && mDepth != 24 && mDepth != 32)
 184             mDepth = 24;
 185         XMatchVisualInfo(mDisplay, mScreen, mDepth, TrueColor, &vinfo);
 186         xWAttribs.colormap =
 187             XCreateColormap(mDisplay, mRootWin, vinfo.visual, AllocNone);
 188         xWAttribs.background_pixel = 0;
 189         xWAttribs.border_pixel = 0;
 190         xswamask = CWBackPixel | CWBorderPixel | CWColormap;
 191
 192             vo_x11_create_vo_window(&vinfo, vo_dx, vo_dy, d_width, d_height,
 193                     flags, xWAttribs.colormap, "xmga", title);
 194             XChangeWindowAttributes(mDisplay, vo_window, xswamask, &xWAttribs);
 195
 196     }                           // !GUI
 197
 198     if ((flags & VOFLAG_FULLSCREEN) && (!WinID))
 199     {
 200         vo_dx = 0;
 201         vo_dy = 0;
 202         vo_dwidth = vo_screenwidth;
 203         vo_dheight = vo_screenheight;
 204         vo_fs = 1;
 205     }
 206
 207     panscan_calc();
 208
 209     mga_vid_config.colkey_on = 1;
 210     mga_vid_config.colkey_red = r;
 211     mga_vid_config.colkey_green = g;
 212     mga_vid_config.colkey_blue = b;
 213
 214     set_window();               // set up mga_vid_config.dest_width etc
 215
 216     XSync(mDisplay, False);
 217
 218     ioctl(f, MGA_VID_ON, 0);
 219
 220     return 0;
 221 }
 222
 223 static void uninit(void)
 224 {
 225     mp_msg(MSGT_VO, MSGL_V, "vo: uninit!\n");
 226     mga_uninit();
 227     if (!initialized)
 228         return;                 // no window?
 229     initialized = 0;
 230     vo_x11_uninit();            // destroy the window
 231 }