cl_screen.c

   1
   2 #include "quakedef.h"
   3 #include "cl_video.h"
   4 #include "image.h"
   5 #include "jpeg.h"
   6 #include "cl_collision.h"
   7 #include "libcurl.h"
   8 #include "csprogs.h"
   9
  10 // we have to include snd_main.h here only to get access to snd_renderbuffer->format.speed when writing the AVI headers
  11 #include "snd_main.h"
  12
  13 cvar_t scr_viewsize = {CVAR_SAVE, "viewsize","100", "how large the view should be, 110 disables inventory bar, 120 disables status bar"};
  14 cvar_t scr_fov = {CVAR_SAVE, "fov","90", "field of vision, 1-170 degrees, default 90, some players use 110-130"};
  15 cvar_t scr_conalpha = {CVAR_SAVE, "scr_conalpha", "1", "opacity of console background"};
  16 cvar_t scr_conbrightness = {CVAR_SAVE, "scr_conbrightness", "1", "brightness of console background (0 = black, 1 = image)"};
  17 cvar_t scr_conforcewhiledisconnected = {0, "scr_conforcewhiledisconnected", "1", "forces fullscreen console while disconnected"};
  18 cvar_t scr_menuforcewhiledisconnected = {0, "scr_menuforcewhiledisconnected", "0", "forces menu while disconnected"};
  19 cvar_t scr_centertime = {0, "scr_centertime","2", "how long centerprint messages show"};
  20 cvar_t scr_showram = {CVAR_SAVE, "showram","1", "show ram icon if low on surface cache memory (not used)"};
  21 cvar_t scr_showturtle = {CVAR_SAVE, "showturtle","0", "show turtle icon when framerate is too low"};
  22 cvar_t scr_showpause = {CVAR_SAVE, "showpause","1", "show pause icon when game is paused"};
  23 cvar_t scr_showbrand = {0, "showbrand","0", "shows gfx/brand.tga in a corner of the screen (different values select different positions, including centered)"};
  24 cvar_t scr_printspeed = {0, "scr_printspeed","0", "speed of intermission printing (episode end texts), a value of 0 disables the slow printing"};
  25 cvar_t vid_conwidth = {CVAR_SAVE, "vid_conwidth", "640", "virtual width of 2D graphics system"};
  26 cvar_t vid_conheight = {CVAR_SAVE, "vid_conheight", "480", "virtual height of 2D graphics system"};
  27 cvar_t vid_pixelheight = {CVAR_SAVE, "vid_pixelheight", "1", "adjusts vertical field of vision to account for non-square pixels (1280x1024 on a CRT monitor for example)"};
  28 cvar_t scr_screenshot_jpeg = {CVAR_SAVE, "scr_screenshot_jpeg","1", "save jpeg instead of targa"};
  29 cvar_t scr_screenshot_jpeg_quality = {CVAR_SAVE, "scr_screenshot_jpeg_quality","0.9", "image quality of saved jpeg"};
  30 cvar_t scr_screenshot_gammaboost = {CVAR_SAVE, "scr_screenshot_gammaboost","1", "gamma correction on saved screenshots and videos, 1.0 saves unmodified images"};
  31 // scr_screenshot_name is defined in fs.c
  32 cvar_t cl_capturevideo = {0, "cl_capturevideo", "0", "enables saving of video to a .avi file using uncompressed I420 colorspace and PCM audio, note that scr_screenshot_gammaboost affects the brightness of the output)"};
  33 cvar_t cl_capturevideo_width = {0, "cl_capturevideo_width", "0", "scales all frames to this resolution before saving the video"};
  34 cvar_t cl_capturevideo_height = {0, "cl_capturevideo_height", "0", "scales all frames to this resolution before saving the video"};
  35 cvar_t cl_capturevideo_realtime = {0, "cl_capturevideo_realtime", "0", "causes video saving to operate in realtime (mostly useful while playing, not while capturing demos), this can produce a much lower quality video due to poor sound/video sync and will abort saving if your machine stalls for over 1 second"};
  36 cvar_t cl_capturevideo_fps = {0, "cl_capturevideo_fps", "30", "how many frames per second to save (29.97 for NTSC, 30 for typical PC video, 15 can be useful)"};
  37 cvar_t cl_capturevideo_number = {CVAR_SAVE, "cl_capturevideo_number", "1", "number to append to video filename, incremented each time a capture begins"};
  38 cvar_t r_letterbox = {0, "r_letterbox", "0", "reduces vertical height of view to simulate a letterboxed movie effect (can be used by mods for cutscenes)"};
  39 cvar_t r_stereo_separation = {0, "r_stereo_separation", "4", "separation distance of eyes in the world (negative values are only useful for cross-eyed viewing)"};
  40 cvar_t r_stereo_sidebyside = {0, "r_stereo_sidebyside", "0", "side by side views for those who can't afford glasses but can afford eye strain (note: use a negative r_stereo_separation if you want cross-eyed viewing)"};
  41 cvar_t r_stereo_redblue = {0, "r_stereo_redblue", "0", "red/blue anaglyph stereo glasses (note: most of these glasses are actually red/cyan, try that one too)"};
  42 cvar_t r_stereo_redcyan = {0, "r_stereo_redcyan", "0", "red/cyan anaglyph stereo glasses, the kind given away at drive-in movies like Creature From The Black Lagoon In 3D"};
  43 cvar_t r_stereo_redgreen = {0, "r_stereo_redgreen", "0", "red/green anaglyph stereo glasses (for those who don't mind yellow)"};
  44 cvar_t r_stereo_angle = {0, "r_stereo_angle", "0", "separation angle of eyes (makes the views look different directions, as an example, 90 gives a 90 degree separation where the views are 45 degrees left and 45 degrees right)"};
  45 cvar_t scr_zoomwindow = {CVAR_SAVE, "scr_zoomwindow", "0", "displays a zoomed in overlay window"};
  46 cvar_t scr_zoomwindow_viewsizex = {CVAR_SAVE, "scr_zoomwindow_viewsizex", "20", "horizontal viewsize of zoom window"};
  47 cvar_t scr_zoomwindow_viewsizey = {CVAR_SAVE, "scr_zoomwindow_viewsizey", "20", "vertical viewsize of zoom window"};
  48 cvar_t scr_zoomwindow_fov = {CVAR_SAVE, "scr_zoomwindow_fov", "20", "fov of zoom window"};
  49 cvar_t scr_stipple = {0, "scr_stipple", "0", "interlacing-like stippling of the display"};
  50 cvar_t scr_refresh = {0, "scr_refresh", "1", "allows you to completely shut off rendering for benchmarking purposes"};
  51 cvar_t shownetgraph = {CVAR_SAVE, "shownetgraph", "0", "shows a graph of packet sizes and other information, 0 = off, 1 = show client netgraph, 2 = show client and server netgraphs (when hosting a server)"};
  52
  53
  54 int jpeg_supported = false;
  55
  56 qboolean        scr_initialized;                // ready to draw
  57
  58 float           scr_con_current;
  59
  60 extern int      con_vislines;
  61
  62 static void SCR_ScreenShot_f (void);
  63 static void R_Envmap_f (void);
  64
  65 // backend
  66 void R_ClearScreen(void);
  67
  68 /*
  69 ===============================================================================
  70
  71 CENTER PRINTING
  72
  73 ===============================================================================
  74 */
  75
  76 char            scr_centerstring[MAX_INPUTLINE];
  77 float           scr_centertime_start;   // for slow victory printing
  78 float           scr_centertime_off;
  79 int                     scr_center_lines;
  80 int                     scr_erase_lines;
  81 int                     scr_erase_center;
  82
  83 /*
  84 ==============
  85 SCR_CenterPrint
  86
  87 Called for important messages that should stay in the center of the screen
  88 for a few moments
  89 ==============
  90 */
  91 void SCR_CenterPrint(char *str)
  92 {
  93         strlcpy (scr_centerstring, str, sizeof (scr_centerstring));
  94         scr_centertime_off = scr_centertime.value;
  95         scr_centertime_start = cl.time;
  96
  97 // count the number of lines for centering
  98         scr_center_lines = 1;
  99         while (*str)
 100         {
 101                 if (*str == '\n')
 102                         scr_center_lines++;
 103                 str++;
 104         }
 105 }
 106
 107
 108 void SCR_DrawCenterString (void)
 109 {
 110         char    *start;
 111         int             x, y;
 112         int             remaining;
 113         int             color;
 114
 115         if(cl.intermission == 2) // in finale,
 116                 if(sb_showscores) // make TAB hide the finale message (sb_showscores overrides finale in sbar.c)
 117                         return;
 118
 119 // the finale prints the characters one at a time, except if printspeed is an absurdly high value
 120         if (cl.intermission && scr_printspeed.value > 0 && scr_printspeed.value < 1000000)
 121                 remaining = (int)(scr_printspeed.value * (cl.time - scr_centertime_start));
 122         else
 123                 remaining = 9999;
 124
 125         scr_erase_center = 0;
 126         start = scr_centerstring;
 127
 128         if (remaining < 1)
 129                 return;
 130
 131         if (scr_center_lines <= 4)
 132                 y = (int)(vid_conheight.integer*0.35);
 133         else
 134                 y = 48;
 135
 136         color = -1;
 137         do
 138         {
 139                 // scan the number of characters on the line, not counting color codes
 140                 char *newline = strchr(start, '\n');
 141                 int l = newline ? (newline - start) : (int)strlen(start);
 142                 int chars = COM_StringLengthNoColors(start, l, NULL);
 143
 144                 x = (vid_conwidth.integer - chars*8)/2;
 145                 if (l > 0)
 146                 {
 147                         if (remaining < l)
 148                                 l = remaining;
 149                         DrawQ_String(x, y, start, l, 8, 8, 1, 1, 1, 1, 0, &color, false);
 150                         remaining -= l;
 151                         if (remaining <= 0)
 152                                 return;
 153                 }
 154                 y += 8;
 155
 156                 if (!newline)
 157                         break;
 158                 start = newline + 1; // skip the \n
 159         } while (1);
 160 }
 161
 162 void SCR_CheckDrawCenterString (void)
 163 {
 164         if (scr_center_lines > scr_erase_lines)
 165                 scr_erase_lines = scr_center_lines;
 166
 167         if (cl.time > cl.oldtime)
 168                 scr_centertime_off -= cl.time - cl.oldtime;
 169
 170         // don't draw if this is a normal stats-screen intermission,
 171         // only if it is not an intermission, or a finale intermission
 172         if (cl.intermission == 1)
 173                 return;
 174         if (scr_centertime_off <= 0 && !cl.intermission)
 175                 return;
 176         if (key_dest != key_game)
 177                 return;
 178
 179         SCR_DrawCenterString ();
 180 }
 181
 182 void SCR_DrawNetGraph_DrawGraph (int graphx, int graphy, int barwidth, int barheight, int bardivide, const char *label, float textsize, int packetcounter, int numparameters, const int **parameters, const float parametercolors[][4])
 183 {
 184         int j, k, x, y, index, offset, height;
 185         // draw the bar graph itself
 186         // advance the packet counter because it is the latest packet column being
 187         // built up and should come last
 188         packetcounter = (packetcounter + 1) % NETGRAPH_PACKETS;
 189         for (j = 0;j < NETGRAPH_PACKETS;j++)
 190         {
 191                 x = graphx + j * barwidth;
 192                 y = graphy + barheight;
 193                 index = (packetcounter + j) % NETGRAPH_PACKETS;
 194                 if (parameters[0][index] == NETGRAPH_LOSTPACKET)
 195                         DrawQ_Fill(x, y - barheight, barwidth, barheight, 1, 0, 0, 1, 0);
 196                 else if (parameters[0][index] == NETGRAPH_CHOKEDPACKET)
 197                         DrawQ_Fill(x, y - min(2, barheight), barwidth, min(2, barheight), 1, 1, 0, 1, 0);
 198                 else
 199                 {
 200                         offset = 0;
 201                         for (k = 0;k < numparameters;k++)
 202                         {
 203                                 height = (parameters[k][index] + bardivide - 1) / bardivide;
 204                                 height = min(height, barheight - offset);
 205                                 offset += height;
 206                                 if (height)
 207                                         DrawQ_Fill(x, y - offset, barwidth, height, parametercolors[k][0], parametercolors[k][1], parametercolors[k][2], parametercolors[k][3], 0);
 208                         }
 209                 }
 210         }
 211 }
 212
 213 const float netgraphcolors[3][4] =
 214 {
 215         {1  , 0.5, 0  , 1},
 216         {1  , 1  , 1  , 1},
 217         {0  , 1  , 0  , 1},
 218 };
 219
 220 void SCR_DrawNetGraph_DrawConnection_Client (netconn_t *conn, int graphx, int graphy, int barwidth, int barheight, int bardivide, const char *labelincoming, int separator, const char *labeloutgoing, float textsize)
 221 {
 222         int numparameters;
 223         const int *parameters[3];
 224         // dim background
 225         DrawQ_Fill(graphx                                          , graphy, barwidth * NETGRAPH_PACKETS, barheight + textsize, 0, 0, 0, 0.5, 0);
 226         DrawQ_Fill(graphx + barwidth * NETGRAPH_PACKETS + separator, graphy, barwidth * NETGRAPH_PACKETS, barheight + textsize, 0, 0, 0, 0.5, 0);
 227         // draw the bar graphs
 228         numparameters = 3;
 229         parameters[0] = conn->incoming_unreliablesize;
 230         parameters[1] = conn->incoming_reliablesize;
 231         parameters[2] = conn->incoming_acksize;
 232         SCR_DrawNetGraph_DrawGraph(graphx, graphy, barwidth, barheight, bardivide, labelincoming, textsize, conn->incoming_packetcounter, numparameters, parameters, netgraphcolors);
 233         parameters[0] = conn->outgoing_unreliablesize;
 234         parameters[1] = conn->outgoing_reliablesize;
 235         parameters[2] = conn->outgoing_acksize;
 236         SCR_DrawNetGraph_DrawGraph(graphx + barwidth * NETGRAPH_PACKETS + separator, graphy, barwidth, barheight, bardivide, labeloutgoing, textsize, conn->outgoing_packetcounter, numparameters, parameters, netgraphcolors);
 237         // draw labels
 238         DrawQ_String(graphx                                          , graphy + barheight, labelincoming, 0, textsize, textsize, 1, 1, 1, 1, 0, NULL, false);
 239         DrawQ_String(graphx + barwidth * NETGRAPH_PACKETS + separator, graphy + barheight, labeloutgoing, 0, textsize, textsize, 1, 1, 1, 1, 0, NULL, false);
 240 }
 241
 242 void SCR_DrawNetGraph_DrawConnection_Server (netconn_t *conn, int graphx, int graphy, int barwidth, int barheight, int bardivide, const char *labeloutgoing, int separator, const char *labelincoming, float textsize)
 243 {
 244         int numparameters;
 245         const int *parameters[3];
 246         // dim background
 247         DrawQ_Fill(graphx                                          , graphy, barwidth * NETGRAPH_PACKETS, barheight + textsize, 0, 0, 0, 0.5, 0);
 248         DrawQ_Fill(graphx + barwidth * NETGRAPH_PACKETS + separator, graphy, barwidth * NETGRAPH_PACKETS, barheight + textsize, 0, 0, 0, 0.5, 0);
 249         // draw the bar graphs
 250         numparameters = 3;
 251         parameters[0] = conn->outgoing_unreliablesize;
 252         parameters[1] = conn->outgoing_reliablesize;
 253         parameters[2] = conn->outgoing_acksize;
 254         SCR_DrawNetGraph_DrawGraph(graphx                                          , graphy, barwidth, barheight, bardivide, labeloutgoing, textsize, conn->outgoing_packetcounter, numparameters, parameters, netgraphcolors);
 255         parameters[0] = conn->incoming_unreliablesize;
 256         parameters[1] = conn->incoming_reliablesize;
 257         parameters[2] = conn->incoming_acksize;
 258         SCR_DrawNetGraph_DrawGraph(graphx + barwidth * NETGRAPH_PACKETS + separator, graphy, barwidth, barheight, bardivide, labelincoming, textsize, conn->incoming_packetcounter, numparameters, parameters, netgraphcolors);
 259         // draw labels
 260         DrawQ_String(graphx                                          , graphy + barheight, labeloutgoing, 0, textsize, textsize, 1, 1, 1, 1, 0, NULL, false);
 261         DrawQ_String(graphx + barwidth * NETGRAPH_PACKETS + separator, graphy + barheight, labelincoming, 0, textsize, textsize, 1, 1, 1, 1, 0, NULL, false);
 262 }
 263
 264 /*
 265 ==============
 266 SCR_DrawNetGraph
 267 ==============
 268 */
 269 void SCR_DrawNetGraph (void)
 270 {
 271         int i, separator1, separator2, barwidth, barheight, bardivide, netgraph_x, netgraph_y, textsize, index, netgraphsperrow;
 272
 273         if (cls.state != ca_connected)
 274                 return;
 275         if (!cls.netcon)
 276                 return;
 277         if (!shownetgraph.integer)
 278                 return;
 279
 280         separator1 = 2;
 281         separator2 = 4;
 282         textsize = 8;
 283         barwidth = 1;
 284         barheight = 50;
 285         bardivide = 20;
 286
 287         netgraphsperrow = (vid_conwidth.integer + separator2) / (barwidth * NETGRAPH_PACKETS * 2 + separator1 + separator2);
 288         netgraphsperrow = max(netgraphsperrow, 1);
 289
 290         index = 0;
 291         netgraph_x = (vid_conwidth.integer + separator2) - (1 + (index % netgraphsperrow)) * (barwidth * NETGRAPH_PACKETS * 2 + separator1 + separator2);
 292         netgraph_y = (vid_conheight.integer - 48 + separator2) - (1 + (index / netgraphsperrow)) * (barheight + textsize + separator2);
 293         SCR_DrawNetGraph_DrawConnection_Client(cls.netcon, netgraph_x, netgraph_y, barwidth, barheight, bardivide, "incoming", separator1, "outgoing", textsize);
 294         index++;
 295
 296         if (sv.active && shownetgraph.integer >= 2)
 297         {
 298                 for (i = 0;i < svs.maxclients;i++)
 299                 {
 300                         if (!svs.clients[i].netconnection)
 301                                 continue;
 302                         netgraph_x = (vid_conwidth.integer + separator2) - (1 + (index % netgraphsperrow)) * (barwidth * NETGRAPH_PACKETS * 2 + separator1 + separator2);
 303                         netgraph_y = (vid_conheight.integer - 48 + separator2) - (1 + (index / netgraphsperrow)) * (barheight + textsize + separator2);
 304                         SCR_DrawNetGraph_DrawConnection_Server(svs.clients[i].netconnection, netgraph_x, netgraph_y, barwidth, barheight, bardivide, va("%s", svs.clients[i].name), separator1, "", textsize);
 305                         index++;
 306                 }
 307         }
 308 }
 309
 310 /*
 311 ==============
 312 SCR_DrawTurtle
 313 ==============
 314 */
 315 void SCR_DrawTurtle (void)
 316 {
 317         static int      count;
 318
 319         if (cls.state != ca_connected)
 320                 return;
 321
 322         if (!scr_showturtle.integer)
 323                 return;
 324
 325         if (cl.realframetime < 0.1)
 326         {
 327                 count = 0;
 328                 return;
 329         }
 330
 331         count++;
 332         if (count < 3)
 333                 return;
 334
 335         DrawQ_Pic (0, 0, Draw_CachePic("gfx/turtle", true), 0, 0, 1, 1, 1, 1, 0);
 336 }
 337
 338 /*
 339 ==============
 340 SCR_DrawNet
 341 ==============
 342 */
 343 void SCR_DrawNet (void)
 344 {
 345         if (cls.state != ca_connected)
 346                 return;
 347         if (realtime - cl.last_received_message < 0.3)
 348                 return;
 349         if (cls.demoplayback)
 350                 return;
 351
 352         DrawQ_Pic (64, 0, Draw_CachePic("gfx/net", true), 0, 0, 1, 1, 1, 1, 0);
 353 }
 354
 355 /*
 356 ==============
 357 DrawPause
 358 ==============
 359 */
 360 void SCR_DrawPause (void)
 361 {
 362         cachepic_t      *pic;
 363
 364         if (cls.state != ca_connected)
 365                 return;
 366
 367         if (!scr_showpause.integer)             // turn off for screenshots
 368                 return;
 369
 370         if (!cl.paused)
 371                 return;
 372
 373         pic = Draw_CachePic ("gfx/pause", true);
 374         DrawQ_Pic ((vid_conwidth.integer - pic->width)/2, (vid_conheight.integer - pic->height)/2, pic, 0, 0, 1, 1, 1, 1, 0);
 375 }
 376
 377 /*
 378 ==============
 379 SCR_DrawBrand
 380 ==============
 381 */
 382 void SCR_DrawBrand (void)
 383 {
 384         cachepic_t      *pic;
 385         float           x, y;
 386
 387         if (!scr_showbrand.value)
 388                 return;
 389
 390         pic = Draw_CachePic ("gfx/brand", true);
 391
 392         switch ((int)scr_showbrand.value)
 393         {
 394         case 1: // bottom left
 395                 x = 0;
 396                 y = vid_conheight.integer - pic->height;
 397                 break;
 398         case 2: // bottom centre
 399                 x = (vid_conwidth.integer - pic->width) / 2;
 400                 y = vid_conheight.integer - pic->height;
 401                 break;
 402         case 3: // bottom right
 403                 x = vid_conwidth.integer - pic->width;
 404                 y = vid_conheight.integer - pic->height;
 405                 break;
 406         case 4: // centre right
 407                 x = vid_conwidth.integer - pic->width;
 408                 y = (vid_conheight.integer - pic->height) / 2;
 409                 break;
 410         case 5: // top right
 411                 x = vid_conwidth.integer - pic->width;
 412                 y = 0;
 413                 break;
 414         case 6: // top centre
 415                 x = (vid_conwidth.integer - pic->width) / 2;
 416                 y = 0;
 417                 break;
 418         case 7: // top left
 419                 x = 0;
 420                 y = 0;
 421                 break;
 422         case 8: // centre left
 423                 x = 0;
 424                 y = (vid_conheight.integer - pic->height) / 2;
 425                 break;
 426         default:
 427                 return;
 428         }
 429
 430         DrawQ_Pic (x, y, pic, 0, 0, 1, 1, 1, 1, 0);
 431 }
 432
 433 /*
 434 ==============
 435 SCR_DrawQWDownload
 436 ==============
 437 */
 438 static int SCR_DrawQWDownload(int offset)
 439 {
 440         int len;
 441         float x, y;
 442         float size = 8;
 443         char temp[256];
 444         if (!cls.qw_downloadname[0])
 445         {
 446                 cls.qw_downloadspeedrate = 0;
 447                 cls.qw_downloadspeedtime = realtime;
 448                 cls.qw_downloadspeedcount = 0;
 449                 return 0;
 450         }
 451         if (realtime >= cls.qw_downloadspeedtime + 1)
 452         {
 453                 cls.qw_downloadspeedrate = cls.qw_downloadspeedcount;
 454                 cls.qw_downloadspeedtime = realtime;
 455                 cls.qw_downloadspeedcount = 0;
 456         }
 457         if (cls.protocol == PROTOCOL_QUAKEWORLD)
 458                 dpsnprintf(temp, sizeof(temp), "Downloading %s %3i%% (%i) at %i bytes/s\n", cls.qw_downloadname, cls.qw_downloadpercent, cls.qw_downloadmemorycursize, cls.qw_downloadspeedrate);
 459         else
 460                 dpsnprintf(temp, sizeof(temp), "Downloading %s %3i%% (%i/%i) at %i bytes/s\n", cls.qw_downloadname, cls.qw_downloadpercent, cls.qw_downloadmemorycursize, cls.qw_downloadmemorymaxsize, cls.qw_downloadspeedrate);
 461         len = (int)strlen(temp);
 462         x = (vid_conwidth.integer - len*size) / 2;
 463         y = vid_conheight.integer - size - offset;
 464         DrawQ_Fill(0, y, vid_conwidth.integer, size, 0, 0, 0, 0.5, 0);
 465         DrawQ_String(x, y, temp, len, size, size, 1, 1, 1, 1, 0, NULL, true);
 466         return 8;
 467 }
 468
 469 /*
 470 ==============
 471 SCR_DrawCurlDownload
 472 ==============
 473 */
 474 static int SCR_DrawCurlDownload(int offset)
 475 {
 476         int len;
 477         int nDownloads;
 478         int i;
 479         float x, y;
 480         float size = 8;
 481         Curl_downloadinfo_t *downinfo;
 482         char temp[256];
 483         const char *addinfo;
 484
 485         downinfo = Curl_GetDownloadInfo(&nDownloads, &addinfo);
 486         if(!downinfo)
 487                 return 0;
 488
 489         y = vid_conheight.integer - size * nDownloads - offset;
 490
 491         if(addinfo)
 492         {
 493                 len = (int)strlen(addinfo);
 494                 x = (vid_conwidth.integer - len*size) / 2;
 495                 DrawQ_Fill(0, y - size, vid_conwidth.integer, size, 1, 1, 1, 0.8, 0);
 496                 DrawQ_String(x, y - size, addinfo, len, size, size, 0, 0, 0, 1, 0, NULL, true);
 497         }
 498
 499         for(i = 0; i != nDownloads; ++i)
 500         {
 501                 if(downinfo[i].queued)
 502                         dpsnprintf(temp, sizeof(temp), "Still in queue: %s\n", downinfo[i].filename);
 503                 else if(downinfo[i].progress <= 0)
 504                         dpsnprintf(temp, sizeof(temp), "Downloading %s ...  ???.?%% @ %.1f KiB/s\n", downinfo[i].filename, downinfo[i].speed / 1024.0);
 505                 else
 506                         dpsnprintf(temp, sizeof(temp), "Downloading %s ...  %5.1f%% @ %.1f KiB/s\n", downinfo[i].filename, 100.0 * downinfo[i].progress, downinfo[i].speed / 1024.0);
 507                 len = (int)strlen(temp);
 508                 x = (vid_conwidth.integer - len*size) / 2;
 509                 DrawQ_Fill(0, y + i * size, vid_conwidth.integer, size, 0, 0, 0, 0.8, 0);
 510                 DrawQ_String(x, y + i * size, temp, len, size, size, 1, 1, 1, 1, 0, NULL, true);
 511         }
 512
 513         Z_Free(downinfo);
 514
 515         return 8 * (nDownloads + (addinfo ? 1 : 0));
 516 }
 517
 518 /*
 519 ==============
 520 SCR_DrawDownload
 521 ==============
 522 */
 523 static void SCR_DrawDownload()
 524 {
 525         int offset = 0;
 526         offset += SCR_DrawQWDownload(offset);
 527         offset += SCR_DrawCurlDownload(offset);
 528 }
 529
 530 //=============================================================================
 531
 532 /*
 533 ==================
 534 SCR_SetUpToDrawConsole
 535 ==================
 536 */
 537 void SCR_SetUpToDrawConsole (void)
 538 {
 539         // lines of console to display
 540         float conlines;
 541         static int framecounter = 0;
 542
 543         Con_CheckResize ();
 544
 545         if (scr_menuforcewhiledisconnected.integer && key_dest == key_game && cls.state == ca_disconnected)
 546         {
 547                 if (framecounter >= 2)
 548                         MR_ToggleMenu_f();
 549                 else
 550                         framecounter++;
 551         }
 552         else
 553                 framecounter = 0;
 554
 555         if (scr_conforcewhiledisconnected.integer && key_dest == key_game && cls.signon != SIGNONS)
 556                 key_consoleactive |= KEY_CONSOLEACTIVE_FORCED;
 557         else
 558                 key_consoleactive &= ~KEY_CONSOLEACTIVE_FORCED;
 559
 560 // decide on the height of the console
 561         if (key_consoleactive & KEY_CONSOLEACTIVE_USER)
 562                 conlines = vid_conheight.integer/2;     // half screen
 563         else
 564                 conlines = 0;                           // none visible
 565
 566         scr_con_current = conlines;
 567 }
 568
 569 /*
 570 ==================
 571 SCR_DrawConsole
 572 ==================
 573 */
 574 void SCR_DrawConsole (void)
 575 {
 576         if (key_consoleactive & KEY_CONSOLEACTIVE_FORCED)
 577         {
 578                 // full screen
 579                 Con_DrawConsole (vid_conheight.integer);
 580         }
 581         else if (scr_con_current)
 582                 Con_DrawConsole ((int)scr_con_current);
 583         else
 584         {
 585                 con_vislines = 0;
 586                 if ((key_dest == key_game || key_dest == key_message) && !r_letterbox.value)
 587                         Con_DrawNotify ();      // only draw notify in game
 588         }
 589 }
 590
 591 /*
 592 ===============
 593 SCR_BeginLoadingPlaque
 594
 595 ================
 596 */
 597 void SCR_BeginLoadingPlaque (void)
 598 {
 599         // save console log up to this point to log_file if it was set by configs
 600         Log_Start();
 601
 602         Host_StartVideo();
 603         SCR_UpdateLoadingScreen(false);
 604 }
 605
 606 //=============================================================================
 607
 608 char r_speeds_string[1024];
 609 int speedstringcount, r_timereport_active;
 610 double r_timereport_temp = 0, r_timereport_current = 0, r_timereport_start = 0;
 611
 612 void R_TimeReport(char *desc)
 613 {
 614         char tempbuf[256];
 615         int length;
 616         int t;
 617
 618         if (r_speeds.integer < 2 || !r_timereport_active)
 619                 return;
 620
 621         CHECKGLERROR
 622         qglFinish();CHECKGLERROR
 623         r_timereport_temp = r_timereport_current;
 624         r_timereport_current = Sys_DoubleTime();
 625         t = (int) ((r_timereport_current - r_timereport_temp) * 1000000.0 + 0.5);
 626
 627         dpsnprintf(tempbuf, sizeof(tempbuf), "%8i %-11s", t, desc);
 628         length = (int)strlen(tempbuf);
 629         if (speedstringcount + length > (vid_conwidth.integer / 8))
 630         {
 631                 strlcat(r_speeds_string, "\n", sizeof(r_speeds_string));
 632                 speedstringcount = 0;
 633         }
 634         strlcat(r_speeds_string, tempbuf, sizeof(r_speeds_string));
 635         speedstringcount += length;
 636 }
 637
 638 void R_TimeReport_Frame(void)
 639 {
 640         int i, j, lines, y;
 641         cl_locnode_t *loc;
 642
 643         if (r_speeds_string[0])
 644         {
 645                 if (r_timereport_active)
 646                 {
 647                         r_timereport_current = r_timereport_start;
 648                         R_TimeReport("total");
 649                 }
 650
 651                 if (r_speeds_string[strlen(r_speeds_string)-1] == '\n')
 652                         r_speeds_string[strlen(r_speeds_string)-1] = 0;
 653                 lines = 1;
 654                 for (i = 0;r_speeds_string[i];i++)
 655                         if (r_speeds_string[i] == '\n')
 656                                 lines++;
 657                 y = vid_conheight.integer - sb_lines - lines * 8;
 658                 i = j = 0;
 659                 DrawQ_Fill(0, y, vid_conwidth.integer, lines * 8, 0, 0, 0, 0.5, 0);
 660                 while (r_speeds_string[i])
 661                 {
 662                         j = i;
 663                         while (r_speeds_string[i] && r_speeds_string[i] != '\n')
 664                                 i++;
 665                         if (i - j > 0)
 666                                 DrawQ_String(0, y, r_speeds_string + j, i - j, 8, 8, 1, 1, 1, 1, 0, NULL, true);
 667                         if (r_speeds_string[i] == '\n')
 668                                 i++;
 669                         y += 8;
 670                 }
 671                 r_speeds_string[0] = 0;
 672                 r_timereport_active = false;
 673         }
 674         if (r_speeds.integer && cls.signon == SIGNONS && cls.state == ca_connected)
 675         {
 676                 speedstringcount = 0;
 677                 r_speeds_string[0] = 0;
 678                 r_timereport_active = false;
 679                 // put the location name in the r_speeds display as it greatly helps
 680                 // when creating loc files
 681                 loc = CL_Locs_FindNearest(cl.movement_origin);
 682                 if (loc)
 683                         sprintf(r_speeds_string + strlen(r_speeds_string), "Location: %s\n", loc->name);
 684                 sprintf(r_speeds_string + strlen(r_speeds_string), "org:'%+8.2f %+8.2f %+8.2f' dir:'%+2.3f %+2.3f %+2.3f'\n", r_view.origin[0], r_view.origin[1], r_view.origin[2], r_view.forward[0], r_view.forward[1], r_view.forward[2]);
 685                 sprintf(r_speeds_string + strlen(r_speeds_string), "%5i entities%6i surfaces%6i triangles%5i leafs%5i portals%6i particles\n", r_refdef.stats.entities, r_refdef.stats.entities_surfaces, r_refdef.stats.entities_triangles, r_refdef.stats.world_leafs, r_refdef.stats.world_portals, r_refdef.stats.particles);
 686                 sprintf(r_speeds_string + strlen(r_speeds_string), "%4i lights%4i clears%4i scissored%7i light%7i shadow%7i dynamic\n", r_refdef.stats.lights, r_refdef.stats.lights_clears, r_refdef.stats.lights_scissored, r_refdef.stats.lights_lighttriangles, r_refdef.stats.lights_shadowtriangles, r_refdef.stats.lights_dynamicshadowtriangles);
 687                 if (r_refdef.stats.bloom)
 688                         sprintf(r_speeds_string + strlen(r_speeds_string), "rendered%6i meshes%8i triangles bloompixels%8i copied%8i drawn\n", r_refdef.stats.meshes, r_refdef.stats.meshes_elements / 3, r_refdef.stats.bloom_copypixels, r_refdef.stats.bloom_drawpixels);
 689                 else
 690                         sprintf(r_speeds_string + strlen(r_speeds_string), "rendered%6i meshes%8i triangles\n", r_refdef.stats.meshes, r_refdef.stats.meshes_elements / 3);
 691
 692                 memset(&r_refdef.stats, 0, sizeof(r_refdef.stats));
 693
 694                 if (r_speeds.integer >= 2)
 695                 {
 696                         r_timereport_active = true;
 697                         r_timereport_start = r_timereport_current = Sys_DoubleTime();
 698                 }
 699         }
 700 }
 701
 702 /*
 703 =================
 704 SCR_SizeUp_f
 705
 706 Keybinding command
 707 =================
 708 */
 709 void SCR_SizeUp_f (void)
 710 {
 711         Cvar_SetValue ("viewsize",scr_viewsize.value+10);
 712 }
 713
 714
 715 /*
 716 =================
 717 SCR_SizeDown_f
 718
 719 Keybinding command
 720 =================
 721 */
 722 void SCR_SizeDown_f (void)
 723 {
 724         Cvar_SetValue ("viewsize",scr_viewsize.value-10);
 725 }
 726
 727 void SCR_CaptureVideo_EndVideo(void);
 728 void CL_Screen_Shutdown(void)
 729 {
 730         SCR_CaptureVideo_EndVideo();
 731 }
 732
 733 void CL_Screen_Init(void)
 734 {
 735         Cvar_RegisterVariable (&scr_fov);
 736         Cvar_RegisterVariable (&scr_viewsize);
 737         Cvar_RegisterVariable (&scr_conalpha);
 738         Cvar_RegisterVariable (&scr_conbrightness);
 739         Cvar_RegisterVariable (&scr_conforcewhiledisconnected);
 740         Cvar_RegisterVariable (&scr_menuforcewhiledisconnected);
 741         Cvar_RegisterVariable (&scr_showram);
 742         Cvar_RegisterVariable (&scr_showturtle);
 743         Cvar_RegisterVariable (&scr_showpause);
 744         Cvar_RegisterVariable (&scr_showbrand);
 745         Cvar_RegisterVariable (&scr_centertime);
 746         Cvar_RegisterVariable (&scr_printspeed);
 747         Cvar_RegisterVariable (&vid_conwidth);
 748         Cvar_RegisterVariable (&vid_conheight);
 749         Cvar_RegisterVariable (&vid_pixelheight);
 750         Cvar_RegisterVariable (&scr_screenshot_jpeg);
 751         Cvar_RegisterVariable (&scr_screenshot_jpeg_quality);
 752         Cvar_RegisterVariable (&scr_screenshot_gammaboost);
 753         Cvar_RegisterVariable (&cl_capturevideo);
 754         Cvar_RegisterVariable (&cl_capturevideo_width);
 755         Cvar_RegisterVariable (&cl_capturevideo_height);
 756         Cvar_RegisterVariable (&cl_capturevideo_realtime);
 757         Cvar_RegisterVariable (&cl_capturevideo_fps);
 758         Cvar_RegisterVariable (&cl_capturevideo_number);
 759         Cvar_RegisterVariable (&r_letterbox);
 760         Cvar_RegisterVariable(&r_stereo_separation);
 761         Cvar_RegisterVariable(&r_stereo_sidebyside);
 762         Cvar_RegisterVariable(&r_stereo_redblue);
 763         Cvar_RegisterVariable(&r_stereo_redcyan);
 764         Cvar_RegisterVariable(&r_stereo_redgreen);
 765         Cvar_RegisterVariable(&r_stereo_angle);
 766         Cvar_RegisterVariable(&scr_zoomwindow);
 767         Cvar_RegisterVariable(&scr_zoomwindow_viewsizex);
 768         Cvar_RegisterVariable(&scr_zoomwindow_viewsizey);
 769         Cvar_RegisterVariable(&scr_zoomwindow_fov);
 770         Cvar_RegisterVariable(&scr_stipple);
 771         Cvar_RegisterVariable(&scr_refresh);
 772         Cvar_RegisterVariable(&shownetgraph);
 773
 774         Cmd_AddCommand ("sizeup",SCR_SizeUp_f, "increase view size (increases viewsize cvar)");
 775         Cmd_AddCommand ("sizedown",SCR_SizeDown_f, "decrease view size (decreases viewsize cvar)");
 776         Cmd_AddCommand ("screenshot",SCR_ScreenShot_f, "takes a screenshot of the next rendered frame");
 777         Cmd_AddCommand ("envmap", R_Envmap_f, "render a cubemap (skybox) of the current scene");
 778
 779         scr_initialized = true;
 780 }
 781
 782 /*
 783 ==================
 784 SCR_ScreenShot_f
 785 ==================
 786 */
 787 void SCR_ScreenShot_f (void)
 788 {
 789         static int shotnumber;
 790         static char oldname[MAX_QPATH];
 791         char base[MAX_QPATH];
 792         char filename[MAX_QPATH];
 793         unsigned char *buffer1;
 794         unsigned char *buffer2;
 795         unsigned char *buffer3;
 796         qboolean jpeg = (scr_screenshot_jpeg.integer != 0);
 797
 798         sprintf (base, "screenshots/%s", scr_screenshot_name.string);
 799
 800         if (strcmp (oldname, scr_screenshot_name.string))
 801         {
 802                 sprintf(oldname, "%s", scr_screenshot_name.string);
 803                 shotnumber = 0;
 804         }
 805
 806         // find a file name to save it to
 807         for (;shotnumber < 1000000;shotnumber++)
 808                 if (!FS_SysFileExists(va("%s/%s%06d.tga", fs_gamedir, base, shotnumber)) && !FS_SysFileExists(va("%s/%s%06d.jpg", fs_gamedir, base, shotnumber)))
 809                         break;
 810         if (shotnumber >= 1000000)
 811         {
 812                 Con_Print("SCR_ScreenShot_f: Couldn't create the image file\n");
 813                 return;
 814         }
 815
 816         sprintf(filename, "%s%06d.%s", base, shotnumber, jpeg ? "jpg" : "tga");
 817
 818         buffer1 = (unsigned char *)Mem_Alloc(tempmempool, vid.width * vid.height * 3);
 819         buffer2 = (unsigned char *)Mem_Alloc(tempmempool, vid.width * vid.height * 3);
 820         buffer3 = (unsigned char *)Mem_Alloc(tempmempool, vid.width * vid.height * 3 + 18);
 821
 822         if (SCR_ScreenShot (filename, buffer1, buffer2, buffer3, 0, 0, vid.width, vid.height, false, false, false, jpeg, true))
 823                 Con_Printf("Wrote %s\n", filename);
 824         else
 825                 Con_Printf("unable to write %s\n", filename);
 826
 827         Mem_Free (buffer1);
 828         Mem_Free (buffer2);
 829         Mem_Free (buffer3);
 830
 831         shotnumber++;
 832 }
 833
 834 static void SCR_CaptureVideo_RIFF_Start(void)
 835 {
 836         memset(&cls.capturevideo.riffbuffer, 0, sizeof(sizebuf_t));
 837         cls.capturevideo.riffbuffer.maxsize = sizeof(cls.capturevideo.riffbufferdata);
 838         cls.capturevideo.riffbuffer.data = cls.capturevideo.riffbufferdata;
 839 }
 840
 841 static void SCR_CaptureVideo_RIFF_Flush(void)
 842 {
 843         if (cls.capturevideo.riffbuffer.cursize > 0)
 844         {
 845                 if (!FS_Write(cls.capturevideo.videofile, cls.capturevideo.riffbuffer.data, cls.capturevideo.riffbuffer.cursize))
 846                         cls.capturevideo.error = true;
 847                 cls.capturevideo.riffbuffer.cursize = 0;
 848                 cls.capturevideo.riffbuffer.overflowed = false;
 849         }
 850 }
 851
 852 static void SCR_CaptureVideo_RIFF_WriteBytes(const unsigned char *data, size_t size)
 853 {
 854         SCR_CaptureVideo_RIFF_Flush();
 855         if (!FS_Write(cls.capturevideo.videofile, data, size))
 856                 cls.capturevideo.error = true;
 857 }
 858
 859 static void SCR_CaptureVideo_RIFF_Write32(int n)
 860 {
 861         if (cls.capturevideo.riffbuffer.cursize + 4 > cls.capturevideo.riffbuffer.maxsize)
 862                 SCR_CaptureVideo_RIFF_Flush();
 863         MSG_WriteLong(&cls.capturevideo.riffbuffer, n);
 864 }
 865
 866 static void SCR_CaptureVideo_RIFF_Write16(int n)
 867 {
 868         if (cls.capturevideo.riffbuffer.cursize + 2 > cls.capturevideo.riffbuffer.maxsize)
 869                 SCR_CaptureVideo_RIFF_Flush();
 870         MSG_WriteShort(&cls.capturevideo.riffbuffer, n);
 871 }
 872
 873 static void SCR_CaptureVideo_RIFF_WriteFourCC(const char *chunkfourcc)
 874 {
 875         if (cls.capturevideo.riffbuffer.cursize + (int)strlen(chunkfourcc) > cls.capturevideo.riffbuffer.maxsize)
 876                 SCR_CaptureVideo_RIFF_Flush();
 877         MSG_WriteUnterminatedString(&cls.capturevideo.riffbuffer, chunkfourcc);
 878 }
 879
 880 static void SCR_CaptureVideo_RIFF_WriteTerminatedString(const char *string)
 881 {
 882         if (cls.capturevideo.riffbuffer.cursize + (int)strlen(string) > cls.capturevideo.riffbuffer.maxsize)
 883                 SCR_CaptureVideo_RIFF_Flush();
 884         MSG_WriteString(&cls.capturevideo.riffbuffer, string);
 885 }
 886
 887 static fs_offset_t SCR_CaptureVideo_RIFF_GetPosition(void)
 888 {
 889         SCR_CaptureVideo_RIFF_Flush();
 890         return FS_Tell(cls.capturevideo.videofile);
 891 }
 892
 893 static void SCR_CaptureVideo_RIFF_Push(const char *chunkfourcc, const char *listtypefourcc)
 894 {
 895         SCR_CaptureVideo_RIFF_WriteFourCC(chunkfourcc);
 896         SCR_CaptureVideo_RIFF_Write32(0);
 897         SCR_CaptureVideo_RIFF_Flush();
 898         cls.capturevideo.riffstackstartoffset[cls.capturevideo.riffstacklevel++] = SCR_CaptureVideo_RIFF_GetPosition();
 899         if (listtypefourcc)
 900                 SCR_CaptureVideo_RIFF_WriteFourCC(listtypefourcc);
 901 }
 902
 903 static void SCR_CaptureVideo_RIFF_Pop(void)
 904 {
 905         fs_offset_t offset;
 906         int x;
 907         unsigned char sizebytes[4];
 908         // write out the chunk size and then return to the current file position
 909         cls.capturevideo.riffstacklevel--;
 910         offset = SCR_CaptureVideo_RIFF_GetPosition();
 911         x = (int)(offset - (cls.capturevideo.riffstackstartoffset[cls.capturevideo.riffstacklevel]));
 912         sizebytes[0] = (x) & 0xff;sizebytes[1] = (x >> 8) & 0xff;sizebytes[2] = (x >> 16) & 0xff;sizebytes[3] = (x >> 24) & 0xff;
 913         FS_Seek(cls.capturevideo.videofile, -(x + 4), SEEK_END);
 914         FS_Write(cls.capturevideo.videofile, sizebytes, 4);
 915         FS_Seek(cls.capturevideo.videofile, 0, SEEK_END);
 916         if (offset & 1)
 917         {
 918                 unsigned char c = 0;
 919                 FS_Write(cls.capturevideo.videofile, &c, 1);
 920         }
 921 }
 922
 923 static void SCR_CaptureVideo_RIFF_IndexEntry(const char *chunkfourcc, int chunksize, int flags)
 924 {
 925         if (cls.capturevideo.riffstacklevel != 2)
 926                 Sys_Error("SCR_Capturevideo_RIFF_IndexEntry: RIFF stack level is %i (should be 2)\n", cls.capturevideo.riffstacklevel);
 927         if (cls.capturevideo.riffindexbuffer.cursize + 16 > cls.capturevideo.riffindexbuffer.maxsize)
 928         {
 929                 int oldsize = cls.capturevideo.riffindexbuffer.maxsize;
 930                 unsigned char *olddata;
 931                 olddata = cls.capturevideo.riffindexbuffer.data;
 932                 cls.capturevideo.riffindexbuffer.maxsize = max(cls.capturevideo.riffindexbuffer.maxsize * 2, 4096);
 933                 cls.capturevideo.riffindexbuffer.data = Mem_Alloc(tempmempool, cls.capturevideo.riffindexbuffer.maxsize);
 934                 if (olddata)
 935                 {
 936                         memcpy(cls.capturevideo.riffindexbuffer.data, olddata, oldsize);
 937                         Mem_Free(olddata);
 938                 }
 939         }
 940         MSG_WriteUnterminatedString(&cls.capturevideo.riffindexbuffer, chunkfourcc);
 941         MSG_WriteLong(&cls.capturevideo.riffindexbuffer, flags);
 942         MSG_WriteLong(&cls.capturevideo.riffindexbuffer, (int)FS_Tell(cls.capturevideo.videofile) - cls.capturevideo.riffstackstartoffset[1]);
 943         MSG_WriteLong(&cls.capturevideo.riffindexbuffer, chunksize);
 944 }
 945
 946 static void SCR_CaptureVideo_RIFF_Finish(qboolean final)
 947 {
 948         // close the "movi" list
 949         SCR_CaptureVideo_RIFF_Pop();
 950         // write the idx1 chunk that we've been building while saving the frames
 951         if(final && cls.capturevideo.videofile_firstchunkframes_offset)
 952         // TODO replace index creating by OpenDML ix##/##ix/indx chunk so it works for more than one AVI part too
 953         {
 954                 SCR_CaptureVideo_RIFF_Push("idx1", NULL);
 955                 SCR_CaptureVideo_RIFF_WriteBytes(cls.capturevideo.riffindexbuffer.data, cls.capturevideo.riffindexbuffer.cursize);
 956                 SCR_CaptureVideo_RIFF_Pop();
 957         }
 958         cls.capturevideo.riffindexbuffer.cursize = 0;
 959         // pop the RIFF chunk itself
 960         while (cls.capturevideo.riffstacklevel > 0)
 961                 SCR_CaptureVideo_RIFF_Pop();
 962         SCR_CaptureVideo_RIFF_Flush();
 963         if(cls.capturevideo.videofile_firstchunkframes_offset)
 964         {
 965                 Con_DPrintf("Finishing first chunk (%d frames)\n", cls.capturevideo.frame);
 966                 FS_Seek(cls.capturevideo.videofile, cls.capturevideo.videofile_firstchunkframes_offset, SEEK_SET);
 967                 SCR_CaptureVideo_RIFF_Write32(cls.capturevideo.frame);
 968                 SCR_CaptureVideo_RIFF_Flush();
 969                 FS_Seek(cls.capturevideo.videofile, 0, SEEK_END);
 970                 cls.capturevideo.videofile_firstchunkframes_offset = 0;
 971         }
 972         else
 973                 Con_DPrintf("Finishing another chunk (%d frames)\n", cls.capturevideo.frame);
 974 }
 975
 976 static void SCR_CaptureVideo_RIFF_OverflowCheck(int framesize)
 977 {
 978         fs_offset_t cursize, curfilesize;
 979         if (cls.capturevideo.riffstacklevel != 2)
 980                 Sys_Error("SCR_CaptureVideo_RIFF_OverflowCheck: chunk stack leakage!\n");
 981         // check where we are in the file
 982         SCR_CaptureVideo_RIFF_Flush();
 983         cursize = SCR_CaptureVideo_RIFF_GetPosition() - cls.capturevideo.riffstackstartoffset[0];
 984         curfilesize = SCR_CaptureVideo_RIFF_GetPosition();
 985
 986         // if this would overflow the windows limit of 1GB per RIFF chunk, we need
 987         // to close the current RIFF chunk and open another for future frames
 988         if (8 + cursize + framesize + cls.capturevideo.riffindexbuffer.cursize + 8 > 1<<30)
 989         {
 990                 SCR_CaptureVideo_RIFF_Finish(false);
 991                 // begin a new 1GB extended section of the AVI
 992                 SCR_CaptureVideo_RIFF_Push("RIFF", "AVIX");
 993                 SCR_CaptureVideo_RIFF_Push("LIST", "movi");
 994         }
 995 }
 996
 997 static void FindFraction(double val, int *num, int *denom, int denomMax)
 998 {
 999         int i;
1000         double bestdiff;
1001         // initialize
1002         bestdiff = fabs(val);
1003         *num = 0;
1004         *denom = 1;
1005
1006         for(i = 1; i <= denomMax; ++i)
1007         {
1008                 int inum = floor(0.5 + val * i);
1009                 double diff = fabs(val - inum / (double)i);
1010                 if(diff < bestdiff)
1011                 {
1012                         bestdiff = diff;
1013                         *num = inum;
1014                         *denom = i;
1015                 }
1016         }
1017 }
1018
1019 void SCR_CaptureVideo_BeginVideo(void)
1020 {
1021         double gamma, g, aspect;
1022         int width = cl_capturevideo_width.integer, height = cl_capturevideo_height.integer;
1023         int n, d;
1024         unsigned int i;
1025         if (cls.capturevideo.active)
1026                 return;
1027         memset(&cls.capturevideo, 0, sizeof(cls.capturevideo));
1028         // soundrate is figured out on the first SoundFrame
1029
1030         if(width == 0 && height != 0)
1031                 width = (int) (height * (double)vid.width / ((double)vid.height * vid_pixelheight.value)); // keep aspect
1032         if(width != 0 && height == 0)
1033                 height = (int) (width * ((double)vid.height * vid_pixelheight.value) / (double)vid.width); // keep aspect
1034
1035         if(width < 2 || width > vid.width) // can't scale up
1036                 width = vid.width;
1037         if(height < 2 || height > vid.height) // can't scale up
1038                 height = vid.height;
1039
1040         aspect = vid.width / (vid.height * vid_pixelheight.value);
1041
1042         // ensure it's all even; if not, scale down a little
1043         if(width % 1)
1044                 --width;
1045         if(height % 1)
1046                 --height;
1047
1048         cls.capturevideo.width = width;
1049         cls.capturevideo.height = height;
1050         cls.capturevideo.active = true;
1051         cls.capturevideo.starttime = realtime;
1052         cls.capturevideo.framerate = bound(1, cl_capturevideo_fps.value, 1000);
1053         cls.capturevideo.soundrate = S_GetSoundRate();
1054         cls.capturevideo.frame = 0;
1055         cls.capturevideo.soundsampleframe = 0;
1056         cls.capturevideo.realtime = cl_capturevideo_realtime.integer != 0;
1057         cls.capturevideo.screenbuffer = (unsigned char *)Mem_Alloc(tempmempool, vid.width * vid.height * 3);
1058         cls.capturevideo.outbuffer = (unsigned char *)Mem_Alloc(tempmempool, width * height * (3+3+3) + 18);
1059         gamma = 1.0/scr_screenshot_gammaboost.value;
1060         dpsnprintf(cls.capturevideo.basename, sizeof(cls.capturevideo.basename), "video/dpvideo%03i", cl_capturevideo_number.integer);
1061         Cvar_SetValueQuick(&cl_capturevideo_number, cl_capturevideo_number.integer + 1);
1062
1063         /*
1064         for (i = 0;i < 256;i++)
1065         {
1066                 unsigned char j = (unsigned char)bound(0, 255*pow(i/255.0, gamma), 255);
1067                 cls.capturevideo.rgbgammatable[0][i] = j;
1068                 cls.capturevideo.rgbgammatable[1][i] = j;
1069                 cls.capturevideo.rgbgammatable[2][i] = j;
1070         }
1071         */
1072 /*
1073 R = Y + 1.4075 * (Cr - 128);
1074 G = Y + -0.3455 * (Cb - 128) + -0.7169 * (Cr - 128);
1075 B = Y + 1.7790 * (Cb - 128);
1076 Y = R *  .299 + G *  .587 + B *  .114;
1077 Cb = R * -.169 + G * -.332 + B *  .500 + 128.;
1078 Cr = R *  .500 + G * -.419 + B * -.0813 + 128.;
1079 */
1080         for (i = 0;i < 256;i++)
1081         {
1082                 g = 255*pow(i/255.0, gamma);
1083                 // Y weights from RGB
1084                 cls.capturevideo.rgbtoyuvscaletable[0][0][i] = (short)(g *  0.299);
1085                 cls.capturevideo.rgbtoyuvscaletable[0][1][i] = (short)(g *  0.587);
1086                 cls.capturevideo.rgbtoyuvscaletable[0][2][i] = (short)(g *  0.114);
1087                 // Cb weights from RGB
1088                 cls.capturevideo.rgbtoyuvscaletable[1][0][i] = (short)(g * -0.169);
1089                 cls.capturevideo.rgbtoyuvscaletable[1][1][i] = (short)(g * -0.332);
1090                 cls.capturevideo.rgbtoyuvscaletable[1][2][i] = (short)(g *  0.500);
1091                 // Cr weights from RGB
1092                 cls.capturevideo.rgbtoyuvscaletable[2][0][i] = (short)(g *  0.500);
1093                 cls.capturevideo.rgbtoyuvscaletable[2][1][i] = (short)(g * -0.419);
1094                 cls.capturevideo.rgbtoyuvscaletable[2][2][i] = (short)(g * -0.0813);
1095                 // range reduction of YCbCr to valid signal range
1096                 cls.capturevideo.yuvnormalizetable[0][i] = 16 + i * (236-16) / 256;
1097                 cls.capturevideo.yuvnormalizetable[1][i] = 16 + i * (240-16) / 256;
1098                 cls.capturevideo.yuvnormalizetable[2][i] = 16 + i * (240-16) / 256;
1099         }
1100
1101         //if (cl_capturevideo_)
1102         //{
1103         //}
1104         //else
1105         {
1106                 cls.capturevideo.format = CAPTUREVIDEOFORMAT_AVI_I420;
1107                 cls.capturevideo.videofile = FS_Open (va("%s.avi", cls.capturevideo.basename), "wb", false, true);
1108                 SCR_CaptureVideo_RIFF_Start();
1109                 // enclosing RIFF chunk (there can be multiple of these in >1GB files, the later ones are "AVIX" instead of "AVI " and have no header/stream info)
1110                 SCR_CaptureVideo_RIFF_Push("RIFF", "AVI ");
1111                 // AVI main header
1112                 SCR_CaptureVideo_RIFF_Push("LIST", "hdrl");
1113                 SCR_CaptureVideo_RIFF_Push("avih", NULL);
1114                 SCR_CaptureVideo_RIFF_Write32((int)(1000000.0 / cls.capturevideo.framerate)); // microseconds per frame
1115                 SCR_CaptureVideo_RIFF_Write32(0); // max bytes per second
1116                 SCR_CaptureVideo_RIFF_Write32(0); // padding granularity
1117                 SCR_CaptureVideo_RIFF_Write32(0x910); // flags (AVIF_HASINDEX | AVIF_ISINTERLEAVED | AVIF_TRUSTCKTYPE)
1118                 cls.capturevideo.videofile_firstchunkframes_offset = SCR_CaptureVideo_RIFF_GetPosition();
1119                 SCR_CaptureVideo_RIFF_Write32(0); // total frames
1120                 SCR_CaptureVideo_RIFF_Write32(0); // initial frames
1121                 if (cls.capturevideo.soundrate)
1122                         SCR_CaptureVideo_RIFF_Write32(2); // number of streams
1123                 else
1124                         SCR_CaptureVideo_RIFF_Write32(1); // number of streams
1125                 SCR_CaptureVideo_RIFF_Write32(0); // suggested buffer size
1126                 SCR_CaptureVideo_RIFF_Write32(width); // width
1127                 SCR_CaptureVideo_RIFF_Write32(height); // height
1128                 SCR_CaptureVideo_RIFF_Write32(0); // reserved[0]
1129                 SCR_CaptureVideo_RIFF_Write32(0); // reserved[1]
1130                 SCR_CaptureVideo_RIFF_Write32(0); // reserved[2]
1131                 SCR_CaptureVideo_RIFF_Write32(0); // reserved[3]
1132                 SCR_CaptureVideo_RIFF_Pop();
1133                 // video stream info
1134                 SCR_CaptureVideo_RIFF_Push("LIST", "strl");
1135                 SCR_CaptureVideo_RIFF_Push("strh", "vids");
1136                 SCR_CaptureVideo_RIFF_WriteFourCC("I420"); // stream fourcc (I420 colorspace, uncompressed)
1137                 SCR_CaptureVideo_RIFF_Write32(0); // flags
1138                 SCR_CaptureVideo_RIFF_Write16(0); // priority
1139                 SCR_CaptureVideo_RIFF_Write16(0); // language
1140                 SCR_CaptureVideo_RIFF_Write32(0); // initial frames
1141                 // find an ideal divisor for the framerate
1142                 FindFraction(cls.capturevideo.framerate, &n, &d, 1000);
1143                 SCR_CaptureVideo_RIFF_Write32(d); // samples/second divisor
1144                 SCR_CaptureVideo_RIFF_Write32(n); // samples/second multiplied by divisor
1145                 SCR_CaptureVideo_RIFF_Write32(0); // start
1146                 cls.capturevideo.videofile_totalframes_offset1 = SCR_CaptureVideo_RIFF_GetPosition();
1147                 SCR_CaptureVideo_RIFF_Write32(0); // length
1148                 SCR_CaptureVideo_RIFF_Write32(width*height+(width/2)*(height/2)*2); // suggested buffer size
1149                 SCR_CaptureVideo_RIFF_Write32(0); // quality
1150                 SCR_CaptureVideo_RIFF_Write32(0); // sample size
1151                 SCR_CaptureVideo_RIFF_Write16(0); // frame left
1152                 SCR_CaptureVideo_RIFF_Write16(0); // frame top
1153                 SCR_CaptureVideo_RIFF_Write16(width); // frame right
1154                 SCR_CaptureVideo_RIFF_Write16(height); // frame bottom
1155                 SCR_CaptureVideo_RIFF_Pop();
1156                 // video stream format
1157                 SCR_CaptureVideo_RIFF_Push("strf", NULL);
1158                 SCR_CaptureVideo_RIFF_Write32(40); // BITMAPINFO struct size
1159                 SCR_CaptureVideo_RIFF_Write32(width); // width
1160                 SCR_CaptureVideo_RIFF_Write32(height); // height
1161                 SCR_CaptureVideo_RIFF_Write16(3); // planes
1162                 SCR_CaptureVideo_RIFF_Write16(12); // bitcount
1163                 SCR_CaptureVideo_RIFF_WriteFourCC("I420"); // compression
1164                 SCR_CaptureVideo_RIFF_Write32(width*height+(width/2)*(height/2)*2); // size of image
1165                 SCR_CaptureVideo_RIFF_Write32(0); // x pixels per meter
1166                 SCR_CaptureVideo_RIFF_Write32(0); // y pixels per meter
1167                 SCR_CaptureVideo_RIFF_Write32(0); // color used
1168                 SCR_CaptureVideo_RIFF_Write32(0); // color important
1169                 SCR_CaptureVideo_RIFF_Pop();
1170                 // extended format (aspect!)
1171                 SCR_CaptureVideo_RIFF_Push("vprp", NULL);
1172                 SCR_CaptureVideo_RIFF_Write32(0); // VideoFormatToken
1173                 SCR_CaptureVideo_RIFF_Write32(0); // VideoStandard
1174                 SCR_CaptureVideo_RIFF_Write32(cls.capturevideo.framerate); // dwVerticalRefreshRate (bogus)
1175                 SCR_CaptureVideo_RIFF_Write32(width); // dwHTotalInT
1176                 SCR_CaptureVideo_RIFF_Write32(height); // dwVTotalInLines
1177                 FindFraction(aspect, &n, &d, 1000);
1178                 SCR_CaptureVideo_RIFF_Write32((n << 16) | d); // dwFrameAspectRatio // TODO a word
1179                 SCR_CaptureVideo_RIFF_Write32(width); // dwFrameWidthInPixels
1180                 SCR_CaptureVideo_RIFF_Write32(height); // dwFrameHeightInLines
1181                 SCR_CaptureVideo_RIFF_Write32(1); // nFieldPerFrame
1182                 SCR_CaptureVideo_RIFF_Write32(width); // CompressedBMWidth
1183                 SCR_CaptureVideo_RIFF_Write32(height); // CompressedBMHeight
1184                 SCR_CaptureVideo_RIFF_Write32(width); // ValidBMHeight
1185                 SCR_CaptureVideo_RIFF_Write32(height); // ValidBMWidth
1186                 SCR_CaptureVideo_RIFF_Write32(0); // ValidBMXOffset
1187                 SCR_CaptureVideo_RIFF_Write32(0); // ValidBMYOffset
1188                 SCR_CaptureVideo_RIFF_Write32(0); // ValidBMXOffsetInT
1189                 SCR_CaptureVideo_RIFF_Write32(0); // ValidBMYValidStartLine
1190                 SCR_CaptureVideo_RIFF_Pop();
1191                 SCR_CaptureVideo_RIFF_Pop();
1192                 if (cls.capturevideo.soundrate)
1193                 {
1194                         // audio stream info
1195                         SCR_CaptureVideo_RIFF_Push("LIST", "strl");
1196                         SCR_CaptureVideo_RIFF_Push("strh", "auds");
1197                         SCR_CaptureVideo_RIFF_Write32(1); // stream fourcc (PCM audio, uncompressed)
1198                         SCR_CaptureVideo_RIFF_Write32(0); // flags
1199                         SCR_CaptureVideo_RIFF_Write16(0); // priority
1200                         SCR_CaptureVideo_RIFF_Write16(0); // language
1201                         SCR_CaptureVideo_RIFF_Write32(0); // initial frames
1202                         SCR_CaptureVideo_RIFF_Write32(1); // samples/second divisor
1203                         SCR_CaptureVideo_RIFF_Write32((int)(cls.capturevideo.soundrate)); // samples/second multiplied by divisor
1204                         SCR_CaptureVideo_RIFF_Write32(0); // start
1205                         cls.capturevideo.videofile_totalsampleframes_offset = SCR_CaptureVideo_RIFF_GetPosition();
1206                         SCR_CaptureVideo_RIFF_Write32(0); // length
1207                         SCR_CaptureVideo_RIFF_Write32(cls.capturevideo.soundrate * 2); // suggested buffer size (this is a half second)
1208                         SCR_CaptureVideo_RIFF_Write32(0); // quality
1209                         SCR_CaptureVideo_RIFF_Write32(4); // sample size
1210                         SCR_CaptureVideo_RIFF_Write16(0); // frame left
1211                         SCR_CaptureVideo_RIFF_Write16(0); // frame top
1212                         SCR_CaptureVideo_RIFF_Write16(0); // frame right
1213                         SCR_CaptureVideo_RIFF_Write16(0); // frame bottom
1214                         SCR_CaptureVideo_RIFF_Pop();
1215                         // audio stream format
1216                         SCR_CaptureVideo_RIFF_Push("strf", NULL);
1217                         SCR_CaptureVideo_RIFF_Write16(1); // format (uncompressed PCM?)
1218                         SCR_CaptureVideo_RIFF_Write16(2); // channels (stereo)
1219                         SCR_CaptureVideo_RIFF_Write32(cls.capturevideo.soundrate); // sampleframes per second
1220                         SCR_CaptureVideo_RIFF_Write32(cls.capturevideo.soundrate * 4); // average bytes per second
1221                         SCR_CaptureVideo_RIFF_Write16(4); // block align
1222                         SCR_CaptureVideo_RIFF_Write16(16); // bits per sample
1223                         SCR_CaptureVideo_RIFF_Write16(0); // size
1224                         SCR_CaptureVideo_RIFF_Pop();
1225                         SCR_CaptureVideo_RIFF_Pop();
1226                 }
1227
1228                 // extended header (for total #frames)
1229                 SCR_CaptureVideo_RIFF_Push("LIST", "odml");
1230                 SCR_CaptureVideo_RIFF_Push("dmlh", NULL);
1231                 cls.capturevideo.videofile_totalframes_offset2 = SCR_CaptureVideo_RIFF_GetPosition();
1232                 SCR_CaptureVideo_RIFF_Write32(0);
1233                 SCR_CaptureVideo_RIFF_Pop();
1234                 SCR_CaptureVideo_RIFF_Pop();
1235
1236                 // close the AVI header list
1237                 SCR_CaptureVideo_RIFF_Pop();
1238                 // software that produced this AVI video file
1239                 SCR_CaptureVideo_RIFF_Push("LIST", "INFO");
1240                 SCR_CaptureVideo_RIFF_Push("ISFT", NULL);
1241                 SCR_CaptureVideo_RIFF_WriteTerminatedString(engineversion);
1242                 SCR_CaptureVideo_RIFF_Pop();
1243                 // enable this junk filler if you like the LIST movi to always begin at 4KB in the file (why?)
1244 #if 0
1245                 SCR_CaptureVideo_RIFF_Push("JUNK", NULL);
1246                 x = 4096 - SCR_CaptureVideo_RIFF_GetPosition();
1247                 while (x > 0)
1248                 {
1249                         const char *junkfiller = "[ DarkPlaces junk data ]";
1250                         int i = min(x, (int)strlen(junkfiller));
1251                         SCR_CaptureVideo_RIFF_WriteBytes((const unsigned char *)junkfiller, i);
1252                         x -= i;
1253                 }
1254                 SCR_CaptureVideo_RIFF_Pop();
1255 #endif
1256                 SCR_CaptureVideo_RIFF_Pop();
1257                 // begin the actual video section now
1258                 SCR_CaptureVideo_RIFF_Push("LIST", "movi");
1259                 // we're done with the headers now...
1260                 SCR_CaptureVideo_RIFF_Flush();
1261                 if (cls.capturevideo.riffstacklevel != 2)
1262                         Sys_Error("SCR_CaptureVideo_BeginVideo: broken AVI writing code (stack level is %i (should be 2) at end of headers)\n", cls.capturevideo.riffstacklevel);
1263         }
1264
1265         switch(cls.capturevideo.format)
1266         {
1267         case CAPTUREVIDEOFORMAT_AVI_I420:
1268                 break;
1269         default:
1270                 break;
1271         }
1272 }
1273
1274 void SCR_CaptureVideo_EndVideo(void)
1275 {
1276         if (!cls.capturevideo.active)
1277                 return;
1278         cls.capturevideo.active = false;
1279         if (cls.capturevideo.videofile)
1280         {
1281                 switch(cls.capturevideo.format)
1282                 {
1283                 case CAPTUREVIDEOFORMAT_AVI_I420:
1284                         // close any open chunks
1285                         SCR_CaptureVideo_RIFF_Finish(true);
1286                         // go back and fix the video frames and audio samples fields
1287                         Con_DPrintf("Finishing capture (%d frames, %d audio frames)\n", cls.capturevideo.frame, cls.capturevideo.soundsampleframe);
1288                         FS_Seek(cls.capturevideo.videofile, cls.capturevideo.videofile_totalframes_offset1, SEEK_SET);
1289                         SCR_CaptureVideo_RIFF_Write32(cls.capturevideo.frame);
1290                         SCR_CaptureVideo_RIFF_Flush();
1291                         FS_Seek(cls.capturevideo.videofile, cls.capturevideo.videofile_totalframes_offset2, SEEK_SET);
1292                         SCR_CaptureVideo_RIFF_Write32(cls.capturevideo.frame);
1293                         SCR_CaptureVideo_RIFF_Flush();
1294                         if (cls.capturevideo.soundrate)
1295                         {
1296                                 FS_Seek(cls.capturevideo.videofile, cls.capturevideo.videofile_totalsampleframes_offset, SEEK_SET);
1297                                 SCR_CaptureVideo_RIFF_Write32(cls.capturevideo.soundsampleframe);
1298                                 SCR_CaptureVideo_RIFF_Flush();
1299                         }
1300                         break;
1301                 default:
1302                         break;
1303                 }
1304                 FS_Close(cls.capturevideo.videofile);
1305                 cls.capturevideo.videofile = NULL;
1306         }
1307
1308         if (cls.capturevideo.screenbuffer)
1309         {
1310                 Mem_Free (cls.capturevideo.screenbuffer);
1311                 cls.capturevideo.screenbuffer = NULL;
1312         }
1313
1314         if (cls.capturevideo.outbuffer)
1315         {
1316                 Mem_Free (cls.capturevideo.outbuffer);
1317                 cls.capturevideo.outbuffer = NULL;
1318         }
1319
1320         if (cls.capturevideo.riffindexbuffer.data)
1321         {
1322                 Mem_Free(cls.capturevideo.riffindexbuffer.data);
1323                 cls.capturevideo.riffindexbuffer.data = NULL;
1324         }
1325
1326         memset(&cls.capturevideo, 0, sizeof(cls.capturevideo));
1327 }
1328
1329 // converts from RGB24 to I420 colorspace (identical to YV12 except chroma plane order is reversed), this colorspace is handled by the Intel(r) 4:2:0 codec on Windows
1330 void SCR_CaptureVideo_ConvertFrame_RGB_to_I420_flip(int width, int height, unsigned char *instart, unsigned char *outstart)
1331 {
1332         int x, y;
1333         int outoffset = (width/2)*(height/2);
1334         unsigned char *b, *out;
1335         // process one line at a time, and CbCr every other line at 2 pixel intervals
1336         for (y = 0;y < height;y++)
1337         {
1338                 // 1x1 Y
1339                 for (b = instart + (height-1-y)*width*3, out = outstart + y*width, x = 0;x < width;x++, b += 3, out++)
1340                         *out = cls.capturevideo.yuvnormalizetable[0][cls.capturevideo.rgbtoyuvscaletable[0][0][b[0]] + cls.capturevideo.rgbtoyuvscaletable[0][1][b[1]] + cls.capturevideo.rgbtoyuvscaletable[0][2][b[2]]];
1341                 if ((y & 1) == 0)
1342                 {
1343                         // 2x2 Cr and Cb planes
1344 #if 0
1345                         // low quality, no averaging
1346                         for (b = instart + (height-2-y)*width*3, out = outstart + width*height + (y/2)*(width/2), x = 0;x < width/2;x++, b += 6, out++)
1347                         {
1348                                 // Cr
1349                                 out[0        ] = cls.capturevideo.yuvnormalizetable[1][cls.capturevideo.rgbtoyuvscaletable[1][0][b[0]] + cls.capturevideo.rgbtoyuvscaletable[1][1][b[1]] + cls.capturevideo.rgbtoyuvscaletable[1][2][b[2]] + 128];
1350                                 // Cb
1351                                 out[outoffset] = cls.capturevideo.yuvnormalizetable[2][cls.capturevideo.rgbtoyuvscaletable[2][0][b[0]] + cls.capturevideo.rgbtoyuvscaletable[2][1][b[1]] + cls.capturevideo.rgbtoyuvscaletable[2][2][b[2]] + 128];
1352                         }
1353 #else
1354                         // high quality, averaging
1355                         int inpitch = width*3;
1356                         for (b = instart + (height-2-y)*width*3, out = outstart + width*height + (y/2)*(width/2), x = 0;x < width/2;x++, b += 6, out++)
1357                         {
1358                                 int blockr, blockg, blockb;
1359                                 blockr = (b[0] + b[3] + b[inpitch+0] + b[inpitch+3]) >> 2;
1360                                 blockg = (b[1] + b[4] + b[inpitch+1] + b[inpitch+4]) >> 2;
1361                                 blockb = (b[2] + b[5] + b[inpitch+2] + b[inpitch+5]) >> 2;
1362                                 // Cr
1363                                 out[0        ] = cls.capturevideo.yuvnormalizetable[1][cls.capturevideo.rgbtoyuvscaletable[1][0][blockr] + cls.capturevideo.rgbtoyuvscaletable[1][1][blockg] + cls.capturevideo.rgbtoyuvscaletable[1][2][blockb] + 128];
1364                                 // Cb
1365                                 out[outoffset] = cls.capturevideo.yuvnormalizetable[2][cls.capturevideo.rgbtoyuvscaletable[2][0][blockr] + cls.capturevideo.rgbtoyuvscaletable[2][1][blockg] + cls.capturevideo.rgbtoyuvscaletable[2][2][blockb] + 128];
1366                         }
1367 #endif
1368                 }
1369         }
1370 }
1371
1372 static void SCR_ScaleDown(unsigned char *in, int inw, int inh, unsigned char *out, int outw, int outh)
1373 {
1374         // TODO optimize this function
1375
1376         int x, y;
1377         float area;
1378
1379         // memcpy is faster than me
1380         if(inw == outw && inh == outh)
1381         {
1382                 memcpy(out, in, 3 * inw * inh);
1383                 return;
1384         }
1385
1386         // otherwise: a box filter
1387         area = (float)outw * (float)outh / (float)inw / (float)inh;
1388         for(y = 0; y < outh; ++y)
1389         {
1390                 float iny0 =  y    / (float)outh * inh; int iny0_i = floor(iny0);
1391                 float iny1 = (y+1) / (float)outh * inh; int iny1_i = ceil(iny1);
1392                 for(x = 0; x < outw; ++x)
1393                 {
1394                         float inx0 =  x    / (float)outw * inw; int inx0_i = floor(inx0);
1395                         float inx1 = (x+1) / (float)outw * inw; int inx1_i = ceil(inx1);
1396                         float r = 0, g = 0, b = 0;
1397                         int xx, yy;
1398
1399                         for(yy = iny0_i; yy < iny1_i; ++yy)
1400                         {
1401                                 float ya = min(yy+1, iny1) - max(iny0, yy);
1402                                 for(xx = inx0_i; xx < inx1_i; ++xx)
1403                                 {
1404                                         float a = ya * (min(xx+1, inx1) - max(inx0, xx));
1405                                         r += a * in[3*(xx + inw * yy)+0];
1406                                         g += a * in[3*(xx + inw * yy)+1];
1407                                         b += a * in[3*(xx + inw * yy)+2];
1408                                 }
1409                         }
1410
1411                         out[3*(x + outw * y)+0] = r * area;
1412                         out[3*(x + outw * y)+1] = g * area;
1413                         out[3*(x + outw * y)+2] = b * area;
1414                 }
1415         }
1416 }
1417
1418 qboolean SCR_CaptureVideo_VideoFrame(int newframenum)
1419 {
1420         int x = 0, y = 0, width = cls.capturevideo.width, height = cls.capturevideo.height;
1421         unsigned char *in, *out;
1422         CHECKGLERROR
1423         //return SCR_ScreenShot(filename, cls.capturevideo.buffer, cls.capturevideo.buffer + vid.width * vid.height * 3, cls.capturevideo.buffer + vid.width * vid.height * 6, 0, 0, vid.width, vid.height, false, false, false, jpeg, true);
1424         // speed is critical here, so do saving as directly as possible
1425         switch (cls.capturevideo.format)
1426         {
1427         case CAPTUREVIDEOFORMAT_AVI_I420:
1428                 // if there's no videofile we have to just give up, and abort saving
1429                 if (!cls.capturevideo.videofile)
1430                         return false;
1431                 // FIXME: width/height must be multiple of 2, enforce this?
1432                 qglReadPixels (x, y, vid.width, vid.height, GL_RGB, GL_UNSIGNED_BYTE, cls.capturevideo.screenbuffer);CHECKGLERROR
1433                 SCR_ScaleDown (cls.capturevideo.screenbuffer, vid.width, vid.height, cls.capturevideo.outbuffer, width, height);
1434                 in = cls.capturevideo.outbuffer;
1435                 out = cls.capturevideo.outbuffer + width*height*3;
1436                 SCR_CaptureVideo_ConvertFrame_RGB_to_I420_flip(width, height, in, out);
1437                 x = width*height+(width/2)*(height/2)*2;
1438                 SCR_CaptureVideo_RIFF_OverflowCheck(8 + x);
1439                 for (;cls.capturevideo.frame < newframenum;cls.capturevideo.frame++)
1440                 {
1441                         SCR_CaptureVideo_RIFF_IndexEntry("00dc", x, 0x10); // AVIIF_KEYFRAME
1442                         SCR_CaptureVideo_RIFF_Push("00dc", NULL);
1443                         SCR_CaptureVideo_RIFF_WriteBytes(out, x);
1444                         SCR_CaptureVideo_RIFF_Pop();
1445                 }
1446                 return true;
1447         default:
1448                 return false;
1449         }
1450 }
1451
1452 void SCR_CaptureVideo_SoundFrame(unsigned char *bufstereo16le, size_t length, int rate)
1453 {
1454         int x;
1455         cls.capturevideo.soundrate = rate;
1456         cls.capturevideo.soundsampleframe += length;
1457         switch (cls.capturevideo.format)
1458         {
1459         case CAPTUREVIDEOFORMAT_AVI_I420:
1460                 x = length*4;
1461                 SCR_CaptureVideo_RIFF_OverflowCheck(8 + x);
1462                 SCR_CaptureVideo_RIFF_IndexEntry("01wb", x, 0x10); // AVIIF_KEYFRAME
1463                 SCR_CaptureVideo_RIFF_Push("01wb", NULL);
1464                 SCR_CaptureVideo_RIFF_WriteBytes(bufstereo16le, x);
1465                 SCR_CaptureVideo_RIFF_Pop();
1466                 break;
1467         default:
1468                 break;
1469         }
1470 }
1471
1472 void SCR_CaptureVideo(void)
1473 {
1474         int newframenum;
1475         if (cl_capturevideo.integer && r_render.integer)
1476         {
1477                 if (!cls.capturevideo.active)
1478                         SCR_CaptureVideo_BeginVideo();
1479                 if (cls.capturevideo.framerate != cl_capturevideo_fps.value)
1480                 {
1481                         Con_Printf("You can not change the video framerate while recording a video.\n");
1482                         Cvar_SetValueQuick(&cl_capturevideo_fps, cls.capturevideo.framerate);
1483                 }
1484                 // for AVI saving we have to make sure that sound is saved before video
1485                 if (cls.capturevideo.soundrate && !cls.capturevideo.soundsampleframe)
1486                         return;
1487                 if (cls.capturevideo.realtime)
1488                 {
1489                         // preserve sound sync by duplicating frames when running slow
1490                         newframenum = (int)((realtime - cls.capturevideo.starttime) * cls.capturevideo.framerate);
1491                 }
1492                 else
1493                         newframenum = cls.capturevideo.frame + 1;
1494                 // if falling behind more than one second, stop
1495                 if (newframenum - cls.capturevideo.frame > (int)ceil(cls.capturevideo.framerate))
1496                 {
1497                         Cvar_SetValueQuick(&cl_capturevideo, 0);
1498                         Con_Printf("video saving failed on frame %i, your machine is too slow for this capture speed.\n", cls.capturevideo.frame);
1499                         SCR_CaptureVideo_EndVideo();
1500                         return;
1501                 }
1502                 // write frames
1503                 SCR_CaptureVideo_VideoFrame(newframenum);
1504                 if (cls.capturevideo.error)
1505                 {
1506                         Cvar_SetValueQuick(&cl_capturevideo, 0);
1507                         Con_Printf("video saving failed on frame %i, out of disk space? stopping video capture.\n", cls.capturevideo.frame);
1508                         SCR_CaptureVideo_EndVideo();
1509                 }
1510         }
1511         else if (cls.capturevideo.active)
1512                 SCR_CaptureVideo_EndVideo();
1513 }
1514
1515 /*
1516 ===============
1517 R_Envmap_f
1518
1519 Grab six views for environment mapping tests
1520 ===============
1521 */
1522 struct envmapinfo_s
1523 {
1524         float angles[3];
1525         char *name;
1526         qboolean flipx, flipy, flipdiagonaly;
1527 }
1528 envmapinfo[12] =
1529 {
1530         {{  0,   0, 0}, "rt", false, false, false},
1531         {{  0, 270, 0}, "ft", false, false, false},
1532         {{  0, 180, 0}, "lf", false, false, false},
1533         {{  0,  90, 0}, "bk", false, false, false},
1534         {{-90, 180, 0}, "up",  true,  true, false},
1535         {{ 90, 180, 0}, "dn",  true,  true, false},
1536
1537         {{  0,   0, 0}, "px",  true,  true,  true},
1538         {{  0,  90, 0}, "py", false,  true, false},
1539         {{  0, 180, 0}, "nx", false, false,  true},
1540         {{  0, 270, 0}, "ny",  true, false, false},
1541         {{-90, 180, 0}, "pz", false, false,  true},
1542         {{ 90, 180, 0}, "nz", false, false,  true}
1543 };
1544
1545 static void R_Envmap_f (void)
1546 {
1547         int j, size;
1548         char filename[MAX_QPATH], basename[MAX_QPATH];
1549         unsigned char *buffer1;
1550         unsigned char *buffer2;
1551         unsigned char *buffer3;
1552
1553         if (Cmd_Argc() != 3)
1554         {
1555                 Con_Print("envmap <basename> <size>: save out 6 cubic environment map images, usable with loadsky, note that size must one of 128, 256, 512, or 1024 and can't be bigger than your current resolution\n");
1556                 return;
1557         }
1558
1559         strlcpy (basename, Cmd_Argv(1), sizeof (basename));
1560         size = atoi(Cmd_Argv(2));
1561         if (size != 128 && size != 256 && size != 512 && size != 1024)
1562         {
1563                 Con_Print("envmap: size must be one of 128, 256, 512, or 1024\n");
1564                 return;
1565         }
1566         if (size > vid.width || size > vid.height)
1567         {
1568                 Con_Print("envmap: your resolution is not big enough to render that size\n");
1569                 return;
1570         }
1571
1572         r_refdef.envmap = true;
1573
1574         R_UpdateVariables();
1575
1576         r_view.x = 0;
1577         r_view.y = 0;
1578         r_view.z = 0;
1579         r_view.width = size;
1580         r_view.height = size;
1581         r_view.depth = 1;
1582         r_view.useperspective = true;
1583
1584         r_view.frustum_x = tan(90 * M_PI / 360.0);
1585         r_view.frustum_y = tan(90 * M_PI / 360.0);
1586
1587         buffer1 = (unsigned char *)Mem_Alloc(tempmempool, size * size * 3);
1588         buffer2 = (unsigned char *)Mem_Alloc(tempmempool, size * size * 3);
1589         buffer3 = (unsigned char *)Mem_Alloc(tempmempool, size * size * 3 + 18);
1590
1591         for (j = 0;j < 12;j++)
1592         {
1593                 sprintf(filename, "env/%s%s.tga", basename, envmapinfo[j].name);
1594                 Matrix4x4_CreateFromQuakeEntity(&r_view.matrix, r_view.origin[0], r_view.origin[1], r_view.origin[2], envmapinfo[j].angles[0], envmapinfo[j].angles[1], envmapinfo[j].angles[2], 1);
1595                 R_ClearScreen();
1596                 R_Mesh_Start();
1597                 R_RenderView();
1598                 R_Mesh_Finish();
1599                 SCR_ScreenShot(filename, buffer1, buffer2, buffer3, 0, vid.height - (r_view.y + r_view.height), size, size, envmapinfo[j].flipx, envmapinfo[j].flipy, envmapinfo[j].flipdiagonaly, false, false);
1600         }
1601
1602         Mem_Free (buffer1);
1603         Mem_Free (buffer2);
1604         Mem_Free (buffer3);
1605
1606         r_refdef.envmap = false;
1607 }
1608
1609 //=============================================================================
1610
1611 // LordHavoc: SHOWLMP stuff
1612 #define SHOWLMP_MAXLABELS 256
1613 typedef struct showlmp_s
1614 {
1615         qboolean        isactive;
1616         float           x;
1617         float           y;
1618         char            label[32];
1619         char            pic[128];
1620 }
1621 showlmp_t;
1622
1623 showlmp_t showlmp[SHOWLMP_MAXLABELS];
1624
1625 void SHOWLMP_decodehide(void)
1626 {
1627         int i;
1628         char *lmplabel;
1629         lmplabel = MSG_ReadString();
1630         for (i = 0;i < SHOWLMP_MAXLABELS;i++)
1631                 if (showlmp[i].isactive && strcmp(showlmp[i].label, lmplabel) == 0)
1632                 {
1633                         showlmp[i].isactive = false;
1634                         return;
1635                 }
1636 }
1637
1638 void SHOWLMP_decodeshow(void)
1639 {
1640         int i, k;
1641         char lmplabel[256], picname[256];
1642         float x, y;
1643         strlcpy (lmplabel,MSG_ReadString(), sizeof (lmplabel));
1644         strlcpy (picname, MSG_ReadString(), sizeof (picname));
1645         if (gamemode == GAME_NEHAHRA) // LordHavoc: nasty old legacy junk
1646         {
1647                 x = MSG_ReadByte();
1648                 y = MSG_ReadByte();
1649         }
1650         else
1651         {
1652                 x = MSG_ReadShort();
1653                 y = MSG_ReadShort();
1654         }
1655         k = -1;
1656         for (i = 0;i < SHOWLMP_MAXLABELS;i++)
1657                 if (showlmp[i].isactive)
1658                 {
1659                         if (strcmp(showlmp[i].label, lmplabel) == 0)
1660                         {
1661                                 k = i;
1662                                 break; // drop out to replace it
1663                         }
1664                 }
1665                 else if (k < 0) // find first empty one to replace
1666                         k = i;
1667         if (k < 0)
1668                 return; // none found to replace
1669         // change existing one
1670         showlmp[k].isactive = true;
1671         strlcpy (showlmp[k].label, lmplabel, sizeof (showlmp[k].label));
1672         strlcpy (showlmp[k].pic, picname, sizeof (showlmp[k].pic));
1673         showlmp[k].x = x;
1674         showlmp[k].y = y;
1675 }
1676
1677 void SHOWLMP_drawall(void)
1678 {
1679         int i;
1680         for (i = 0;i < SHOWLMP_MAXLABELS;i++)
1681                 if (showlmp[i].isactive)
1682                         DrawQ_Pic(showlmp[i].x, showlmp[i].y, Draw_CachePic(showlmp[i].pic, true), 0, 0, 1, 1, 1, 1, 0);
1683 }
1684
1685 void SHOWLMP_clear(void)
1686 {
1687         int i;
1688         for (i = 0;i < SHOWLMP_MAXLABELS;i++)
1689                 showlmp[i].isactive = false;
1690 }
1691
1692 /*
1693 ==============================================================================
1694
1695                                                 SCREEN SHOTS
1696
1697 ==============================================================================
1698 */
1699
1700 qboolean SCR_ScreenShot(char *filename, unsigned char *buffer1, unsigned char *buffer2, unsigned char *buffer3, int x, int y, int width, int height, qboolean flipx, qboolean flipy, qboolean flipdiagonal, qboolean jpeg, qboolean gammacorrect)
1701 {
1702         int     indices[3] = {0,1,2};
1703         qboolean ret;
1704
1705         if (!r_render.integer)
1706                 return false;
1707
1708         CHECKGLERROR
1709         qglReadPixels (x, y, width, height, GL_RGB, GL_UNSIGNED_BYTE, buffer1);CHECKGLERROR
1710
1711         if (scr_screenshot_gammaboost.value != 1 && gammacorrect)
1712         {
1713                 int i;
1714                 double igamma = 1.0 / scr_screenshot_gammaboost.value;
1715                 unsigned char ramp[256];
1716                 for (i = 0;i < 256;i++)
1717                         ramp[i] = (unsigned char) (pow(i * (1.0 / 255.0), igamma) * 255.0);
1718                 for (i = 0;i < width*height*3;i++)
1719                         buffer1[i] = ramp[buffer1[i]];
1720         }
1721
1722         Image_CopyMux (buffer2, buffer1, width, height, flipx, flipy, flipdiagonal, 3, 3, indices);
1723
1724         if (jpeg)
1725                 ret = JPEG_SaveImage_preflipped (filename, width, height, buffer2);
1726         else
1727                 ret = Image_WriteTGARGB_preflipped (filename, width, height, buffer2, buffer3);
1728
1729         return ret;
1730 }
1731
1732 //=============================================================================
1733
1734 void R_ClearScreen(void)
1735 {
1736         // clear to black
1737         CHECKGLERROR
1738         if (r_refdef.fogenabled)
1739         {
1740                 qglClearColor(r_refdef.fogcolor[0],r_refdef.fogcolor[1],r_refdef.fogcolor[2],0);CHECKGLERROR
1741         }
1742         else
1743         {
1744                 qglClearColor(0,0,0,0);CHECKGLERROR
1745         }
1746         qglClearDepth(1);CHECKGLERROR
1747         if (gl_stencil)
1748         {
1749                 // LordHavoc: we use a stencil centered around 128 instead of 0,
1750                 // to avoid clamping interfering with strange shadow volume
1751                 // drawing orders
1752                 qglClearStencil(128);CHECKGLERROR
1753         }
1754         // clear the screen
1755         if (r_render.integer)
1756                 GL_Clear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT | (gl_stencil ? GL_STENCIL_BUFFER_BIT : 0));
1757         // set dithering mode
1758         if (gl_dither.integer)
1759         {
1760                 qglEnable(GL_DITHER);CHECKGLERROR
1761         }
1762         else
1763         {
1764                 qglDisable(GL_DITHER);CHECKGLERROR
1765         }
1766 }
1767
1768 qboolean CL_VM_UpdateView (void);
1769 void SCR_DrawConsole (void);
1770 void R_Shadow_EditLights_DrawSelectedLightProperties(void);
1771
1772 int r_stereo_side;
1773
1774 void SCR_DrawScreen (void)
1775 {
1776         R_Mesh_Start();
1777
1778         if (r_timereport_active)
1779                 R_TimeReport("setup");
1780
1781         R_UpdateVariables();
1782
1783         if (cls.signon == SIGNONS)
1784         {
1785                 float size;
1786
1787                 size = scr_viewsize.value * (1.0 / 100.0);
1788                 size = min(size, 1);
1789
1790                 if (r_stereo_sidebyside.integer)
1791                 {
1792                         r_view.width = (int)(vid.width * size / 2.5);
1793                         r_view.height = (int)(vid.height * size / 2.5 * (1 - bound(0, r_letterbox.value, 100) / 100));
1794                         r_view.depth = 1;
1795                         r_view.x = (int)((vid.width - r_view.width * 2.5) * 0.5);
1796                         r_view.y = (int)((vid.height - r_view.height)/2);
1797                         r_view.z = 0;
1798                         if (r_stereo_side)
1799                                 r_view.x += (int)(r_view.width * 1.5);
1800                 }
1801                 else
1802                 {
1803                         r_view.width = (int)(vid.width * size);
1804                         r_view.height = (int)(vid.height * size * (1 - bound(0, r_letterbox.value, 100) / 100));
1805                         r_view.depth = 1;
1806                         r_view.x = (int)((vid.width - r_view.width)/2);
1807                         r_view.y = (int)((vid.height - r_view.height)/2);
1808                         r_view.z = 0;
1809                 }
1810
1811                 // LordHavoc: viewzoom (zoom in for sniper rifles, etc)
1812                 // LordHavoc: this is designed to produce widescreen fov values
1813                 // when the screen is wider than 4/3 width/height aspect, to do
1814                 // this it simply assumes the requested fov is the vertical fov
1815                 // for a 4x3 display, if the ratio is not 4x3 this makes the fov
1816                 // higher/lower according to the ratio
1817                 r_view.useperspective = true;
1818                 r_view.frustum_y = tan(scr_fov.value * M_PI / 360.0) * (3.0/4.0) * cl.viewzoom;
1819                 r_view.frustum_x = r_view.frustum_y * (float)r_view.width / (float)r_view.height / vid_pixelheight.value;
1820
1821                 r_view.frustum_x *= r_refdef.frustumscale_x;
1822                 r_view.frustum_y *= r_refdef.frustumscale_y;
1823
1824                 if(!CL_VM_UpdateView())
1825                         R_RenderView();
1826
1827                 if (scr_zoomwindow.integer)
1828                 {
1829                         float sizex = bound(10, scr_zoomwindow_viewsizex.value, 100) / 100.0;
1830                         float sizey = bound(10, scr_zoomwindow_viewsizey.value, 100) / 100.0;
1831                         r_view.width = (int)(vid.width * sizex);
1832                         r_view.height = (int)(vid.height * sizey);
1833                         r_view.depth = 1;
1834                         r_view.x = (int)((vid.width - r_view.width)/2);
1835                         r_view.y = 0;
1836                         r_view.z = 0;
1837
1838                         r_view.useperspective = true;
1839                         r_view.frustum_y = tan(scr_zoomwindow_fov.value * M_PI / 360.0) * (3.0/4.0) * cl.viewzoom;
1840                         r_view.frustum_x = r_view.frustum_y * vid_pixelheight.value * (float)r_view.width / (float)r_view.height;
1841
1842                         r_view.frustum_x *= r_refdef.frustumscale_x;
1843                         r_view.frustum_y *= r_refdef.frustumscale_y;
1844
1845                         if(!CL_VM_UpdateView())
1846                                 R_RenderView();
1847                 }
1848         }
1849
1850         if (!r_stereo_sidebyside.integer)
1851         {
1852                 r_view.width = vid.width;
1853                 r_view.height = vid.height;
1854                 r_view.depth = 1;
1855                 r_view.x = 0;
1856                 r_view.y = 0;
1857                 r_view.z = 0;
1858                 r_view.useperspective = false;
1859         }
1860
1861         // draw 2D stuff
1862
1863         if (cls.signon == SIGNONS)
1864         {
1865                 SCR_DrawNet ();
1866                 SCR_DrawTurtle ();
1867                 SCR_DrawPause ();
1868                 if (!r_letterbox.value)
1869                         Sbar_Draw();
1870                 SHOWLMP_drawall();
1871                 SCR_CheckDrawCenterString();
1872         }
1873         SCR_DrawNetGraph ();
1874         MR_Draw();
1875         CL_DrawVideo();
1876         R_Shadow_EditLights_DrawSelectedLightProperties();
1877
1878         SCR_DrawConsole();
1879
1880         SCR_DrawBrand();
1881
1882         SCR_DrawDownload();
1883
1884         if (r_timereport_active)
1885                 R_TimeReport("2d");
1886
1887         if (cls.signon == SIGNONS)
1888                 R_TimeReport_Frame();
1889
1890         DrawQ_Finish();
1891
1892         R_DrawGamma();
1893
1894         R_Mesh_Finish();
1895
1896         if (r_timereport_active)
1897                 R_TimeReport("meshfinish");
1898 }
1899
1900 void SCR_UpdateLoadingScreen (qboolean clear)
1901 {
1902         float x, y;
1903         cachepic_t *pic;
1904         float vertex3f[12];
1905         float texcoord2f[8];
1906         // don't do anything if not initialized yet
1907         if (vid_hidden || !scr_refresh.integer)
1908                 return;
1909         CHECKGLERROR
1910         qglViewport(0, 0, vid.width, vid.height);CHECKGLERROR
1911         //qglDisable(GL_SCISSOR_TEST);CHECKGLERROR
1912         //qglDepthMask(1);CHECKGLERROR
1913         qglColorMask(1,1,1,1);CHECKGLERROR
1914         qglClearColor(0,0,0,0);CHECKGLERROR
1915         // when starting up a new video mode, make sure the screen is cleared to black
1916         if (clear)
1917         {
1918                 qglClear(GL_COLOR_BUFFER_BIT);CHECKGLERROR
1919         }
1920         //qglDisable(GL_CULL_FACE);CHECKGLERROR
1921         //R_ClearScreen();
1922         R_Textures_Frame();
1923         GL_SetupView_Mode_Ortho(0, 0, vid_conwidth.integer, vid_conheight.integer, -10, 100);
1924         R_Mesh_Start();
1925         R_Mesh_Matrix(&identitymatrix);
1926         // draw the loading plaque
1927         pic = Draw_CachePic("gfx/loading", true);
1928         x = (vid_conwidth.integer - pic->width)/2;
1929         y = (vid_conheight.integer - pic->height)/2;
1930         GL_Color(1,1,1,1);
1931         GL_BlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
1932         GL_DepthRange(0, 1);
1933         GL_PolygonOffset(0, 0);
1934         GL_DepthTest(false);
1935         R_Mesh_VertexPointer(vertex3f, 0, 0);
1936         R_Mesh_ColorPointer(NULL, 0, 0);
1937         R_Mesh_ResetTextureState();
1938         R_Mesh_TexBind(0, R_GetTexture(pic->tex));
1939         R_Mesh_TexCoordPointer(0, 2, texcoord2f, 0, 0);
1940         vertex3f[2] = vertex3f[5] = vertex3f[8] = vertex3f[11] = 0;
1941         vertex3f[0] = vertex3f[9] = x;
1942         vertex3f[1] = vertex3f[4] = y;
1943         vertex3f[3] = vertex3f[6] = x + pic->width;
1944         vertex3f[7] = vertex3f[10] = y + pic->height;
1945         texcoord2f[0] = 0;texcoord2f[1] = 0;
1946         texcoord2f[2] = 1;texcoord2f[3] = 0;
1947         texcoord2f[4] = 1;texcoord2f[5] = 1;
1948         texcoord2f[6] = 0;texcoord2f[7] = 1;
1949         if (vid.stereobuffer)
1950         {
1951                 qglDrawBuffer(GL_FRONT_LEFT);
1952                 R_Mesh_Draw(0, 4, 2, polygonelements, 0, 0);
1953                 qglDrawBuffer(GL_FRONT_RIGHT);
1954                 R_Mesh_Draw(0, 4, 2, polygonelements, 0, 0);
1955         }
1956         else
1957         {
1958                 qglDrawBuffer(GL_FRONT);
1959                 R_Mesh_Draw(0, 4, 2, polygonelements, 0, 0);
1960         }
1961         R_Mesh_Finish();
1962         // refresh
1963         // not necessary when rendering to GL_FRONT buffers
1964         //VID_Finish(false);
1965         // however this IS necessary on Windows Vista
1966         qglFinish();
1967 }
1968
1969 void CL_UpdateScreen(void)
1970 {
1971         float conwidth, conheight;
1972
1973         if (vid_hidden || !scr_refresh.integer)
1974                 return;
1975
1976         if (!scr_initialized || !con_initialized)
1977                 return;                         // not initialized yet
1978
1979         conwidth = bound(320, vid_conwidth.value, 2048);
1980         conheight = bound(200, vid_conheight.value, 1536);
1981         if (vid_conwidth.value != conwidth)
1982                 Cvar_SetValue("vid_conwidth", conwidth);
1983         if (vid_conheight.value != conheight)
1984                 Cvar_SetValue("vid_conheight", conheight);
1985
1986         // bound viewsize
1987         if (scr_viewsize.value < 30)
1988                 Cvar_Set ("viewsize","30");
1989         if (scr_viewsize.value > 120)
1990                 Cvar_Set ("viewsize","120");
1991
1992         // bound field of view
1993         if (scr_fov.value < 1)
1994                 Cvar_Set ("fov","1");
1995         if (scr_fov.value > 170)
1996                 Cvar_Set ("fov","170");
1997
1998         // validate r_textureunits cvar
1999         if (r_textureunits.integer > gl_textureunits)
2000                 Cvar_SetValueQuick(&r_textureunits, gl_textureunits);
2001         if (r_textureunits.integer < 1)
2002                 Cvar_SetValueQuick(&r_textureunits, 1);
2003
2004         // validate gl_combine cvar
2005         if (gl_combine.integer && !gl_combine_extension)
2006                 Cvar_SetValueQuick(&gl_combine, 0);
2007
2008         // intermission is always full screen
2009         if (cl.intermission)
2010                 sb_lines = 0;
2011         else
2012         {
2013                 if (scr_viewsize.value >= 120)
2014                         sb_lines = 0;           // no status bar at all
2015                 else if (scr_viewsize.value >= 110)
2016                         sb_lines = 24;          // no inventory
2017                 else
2018                         sb_lines = 24+16+8;
2019         }
2020
2021         r_view.colormask[0] = 1;
2022         r_view.colormask[1] = 1;
2023         r_view.colormask[2] = 1;
2024
2025         if (r_timereport_active)
2026                 R_TimeReport("other");
2027
2028         SCR_SetUpToDrawConsole();
2029
2030         if (r_timereport_active)
2031                 R_TimeReport("start");
2032
2033         CHECKGLERROR
2034         qglViewport(0, 0, vid.width, vid.height);CHECKGLERROR
2035         qglDisable(GL_SCISSOR_TEST);CHECKGLERROR
2036         qglDepthMask(1);CHECKGLERROR
2037         qglColorMask(1,1,1,1);CHECKGLERROR
2038         qglClearColor(0,0,0,0);CHECKGLERROR
2039         qglClear(GL_COLOR_BUFFER_BIT);CHECKGLERROR
2040
2041         if(scr_stipple.integer)
2042         {
2043                 GLubyte stipple[128];
2044                 int i, s, width, parts;
2045                 static int frame = 0;
2046                 ++frame;
2047
2048                 s = scr_stipple.integer;
2049                 parts = (s & 007);
2050                 width = (s & 070) >> 3;
2051
2052                 qglEnable(GL_POLYGON_STIPPLE); // 0x0B42
2053                 for(i = 0; i < 128; ++i)
2054                 {
2055                         int line = i/4;
2056                         stipple[i] = (((line >> width) + frame) & ((1 << parts) - 1)) ? 0x00 : 0xFF;
2057                 }
2058                 qglPolygonStipple(stipple);
2059         }
2060         else
2061                 qglDisable(GL_POLYGON_STIPPLE);
2062
2063         if (r_timereport_active)
2064                 R_TimeReport("clear");
2065
2066         qglDrawBuffer(GL_BACK);
2067
2068         if (vid.stereobuffer || r_stereo_redblue.integer || r_stereo_redgreen.integer || r_stereo_redcyan.integer || r_stereo_sidebyside.integer)
2069         {
2070                 matrix4x4_t originalmatrix = r_view.matrix;
2071                 matrix4x4_t offsetmatrix;
2072                 Matrix4x4_CreateFromQuakeEntity(&offsetmatrix, 0, r_stereo_separation.value * 0.5f, 0, 0, r_stereo_angle.value * 0.5f, 0, 1);
2073                 Matrix4x4_Concat(&r_view.matrix, &originalmatrix, &offsetmatrix);
2074
2075                 if (r_stereo_sidebyside.integer)
2076                         r_stereo_side = 0;
2077
2078                 if (r_stereo_redblue.integer || r_stereo_redgreen.integer || r_stereo_redcyan.integer)
2079                 {
2080                         r_view.colormask[0] = 1;
2081                         r_view.colormask[1] = 0;
2082                         r_view.colormask[2] = 0;
2083                 }
2084
2085                 if (vid.stereobuffer)
2086                         qglDrawBuffer(GL_BACK_RIGHT);
2087
2088                 SCR_DrawScreen();
2089
2090                 Matrix4x4_CreateFromQuakeEntity(&offsetmatrix, 0, r_stereo_separation.value * -0.5f, 0, 0, r_stereo_angle.value * -0.5f, 0, 1);
2091                 Matrix4x4_Concat(&r_view.matrix, &originalmatrix, &offsetmatrix);
2092
2093                 if (r_stereo_sidebyside.integer)
2094                         r_stereo_side = 1;
2095
2096                 if (r_stereo_redblue.integer || r_stereo_redgreen.integer || r_stereo_redcyan.integer)
2097                 {
2098                         r_view.colormask[0] = 0;
2099                         r_view.colormask[1] = r_stereo_redcyan.integer || r_stereo_redgreen.integer;
2100                         r_view.colormask[2] = r_stereo_redcyan.integer || r_stereo_redblue.integer;
2101                 }
2102
2103                 if (vid.stereobuffer)
2104                         qglDrawBuffer(GL_BACK_LEFT);
2105
2106                 SCR_DrawScreen();
2107
2108                 r_view.matrix = originalmatrix;
2109         }
2110         else
2111                 SCR_DrawScreen();
2112
2113         SCR_CaptureVideo();
2114
2115         VID_Finish(true);
2116         if (r_timereport_active)
2117                 R_TimeReport("finish");
2118 }
2119
2120 void CL_Screen_NewMap(void)
2121 {
2122         SHOWLMP_clear();
2123 }