cl_screen.c

   1
   2 #include "quakedef.h"
   3 #include "cl_video.h"
   4 #include "image.h"
   5 #include "jpeg.h"
   6 #include "image_png.h"
   7 #include "cl_collision.h"
   8 #include "libcurl.h"
   9 #include "csprogs.h"
  10 #ifdef CONFIG_VIDEO_CAPTURE
  11 #include "cap_avi.h"
  12 #include "cap_ogg.h"
  13 #endif
  14
  15 // we have to include snd_main.h here only to get access to snd_renderbuffer->format.speed when writing the AVI headers
  16 #include "snd_main.h"
  17
  18 cvar_t scr_viewsize = {CVAR_CLIENT | CVAR_SAVE, "viewsize","100", "how large the view should be, 110 disables inventory bar, 120 disables status bar"};
  19 cvar_t scr_fov = {CVAR_CLIENT | CVAR_SAVE, "fov","90", "field of vision, 1-170 degrees, default 90, some players use 110-130"};
  20 cvar_t scr_conalpha = {CVAR_CLIENT | CVAR_SAVE, "scr_conalpha", "1", "opacity of console background gfx/conback"};
  21 cvar_t scr_conalphafactor = {CVAR_CLIENT | CVAR_SAVE, "scr_conalphafactor", "1", "opacity of console background gfx/conback relative to scr_conalpha; when 0, gfx/conback is not drawn"};
  22 cvar_t scr_conalpha2factor = {CVAR_CLIENT | CVAR_SAVE, "scr_conalpha2factor", "0", "opacity of console background gfx/conback2 relative to scr_conalpha; when 0, gfx/conback2 is not drawn"};
  23 cvar_t scr_conalpha3factor = {CVAR_CLIENT | CVAR_SAVE, "scr_conalpha3factor", "0", "opacity of console background gfx/conback3 relative to scr_conalpha; when 0, gfx/conback3 is not drawn"};
  24 cvar_t scr_conbrightness = {CVAR_CLIENT | CVAR_SAVE, "scr_conbrightness", "1", "brightness of console background (0 = black, 1 = image)"};
  25 cvar_t scr_conforcewhiledisconnected = {CVAR_CLIENT, "scr_conforcewhiledisconnected", "1", "forces fullscreen console while disconnected"};
  26 cvar_t scr_conscroll_x = {CVAR_CLIENT | CVAR_SAVE, "scr_conscroll_x", "0", "scroll speed of gfx/conback in x direction"};
  27 cvar_t scr_conscroll_y = {CVAR_CLIENT | CVAR_SAVE, "scr_conscroll_y", "0", "scroll speed of gfx/conback in y direction"};
  28 cvar_t scr_conscroll2_x = {CVAR_CLIENT | CVAR_SAVE, "scr_conscroll2_x", "0", "scroll speed of gfx/conback2 in x direction"};
  29 cvar_t scr_conscroll2_y = {CVAR_CLIENT | CVAR_SAVE, "scr_conscroll2_y", "0", "scroll speed of gfx/conback2 in y direction"};
  30 cvar_t scr_conscroll3_x = {CVAR_CLIENT | CVAR_SAVE, "scr_conscroll3_x", "0", "scroll speed of gfx/conback3 in x direction"};
  31 cvar_t scr_conscroll3_y = {CVAR_CLIENT | CVAR_SAVE, "scr_conscroll3_y", "0", "scroll speed of gfx/conback3 in y direction"};
  32 #ifdef CONFIG_MENU
  33 cvar_t scr_menuforcewhiledisconnected = {CVAR_CLIENT, "scr_menuforcewhiledisconnected", "0", "forces menu while disconnected"};
  34 #endif
  35 cvar_t scr_centertime = {CVAR_CLIENT, "scr_centertime","2", "how long centerprint messages show"};
  36 cvar_t scr_showram = {CVAR_CLIENT | CVAR_SAVE, "showram","1", "show ram icon if low on surface cache memory (not used)"};
  37 cvar_t scr_showturtle = {CVAR_CLIENT | CVAR_SAVE, "showturtle","0", "show turtle icon when framerate is too low"};
  38 cvar_t scr_showpause = {CVAR_CLIENT | CVAR_SAVE, "showpause","1", "show pause icon when game is paused"};
  39 cvar_t scr_showbrand = {CVAR_CLIENT, "showbrand","0", "shows gfx/brand.tga in a corner of the screen (different values select different positions, including centered)"};
  40 cvar_t scr_printspeed = {CVAR_CLIENT, "scr_printspeed","0", "speed of intermission printing (episode end texts), a value of 0 disables the slow printing"};
  41 cvar_t scr_loadingscreen_background = {CVAR_CLIENT, "scr_loadingscreen_background","0", "show the last visible background during loading screen (costs one screenful of video memory)"};
  42 cvar_t scr_loadingscreen_scale = {CVAR_CLIENT, "scr_loadingscreen_scale","1", "scale factor of the background"};
  43 cvar_t scr_loadingscreen_scale_base = {CVAR_CLIENT, "scr_loadingscreen_scale_base","0", "0 = console pixels, 1 = video pixels"};
  44 cvar_t scr_loadingscreen_scale_limit = {CVAR_CLIENT, "scr_loadingscreen_scale_limit","0", "0 = no limit, 1 = until first edge hits screen edge, 2 = until last edge hits screen edge, 3 = until width hits screen width, 4 = until height hits screen height"};
  45 cvar_t scr_loadingscreen_picture = {CVAR_CLIENT | CVAR_SAVE, "scr_loadingscreen_picture", "gfx/loading", "picture shown during loading"};
  46 cvar_t scr_loadingscreen_count = {CVAR_CLIENT, "scr_loadingscreen_count","1", "number of loading screen files to use randomly (named loading.tga, loading2.tga, loading3.tga, ...)"};
  47 cvar_t scr_loadingscreen_firstforstartup = {CVAR_CLIENT, "scr_loadingscreen_firstforstartup","0", "remove loading.tga from random scr_loadingscreen_count selection and only display it on client startup, 0 = normal, 1 = firstforstartup"};
  48 cvar_t scr_loadingscreen_barcolor = {CVAR_CLIENT, "scr_loadingscreen_barcolor", "0 0 1", "rgb color of loadingscreen progress bar"};
  49 cvar_t scr_loadingscreen_barheight = {CVAR_CLIENT, "scr_loadingscreen_barheight", "8", "the height of the loadingscreen progress bar"};
  50 cvar_t scr_loadingscreen_maxfps = {CVAR_CLIENT, "scr_loadingscreen_maxfps", "10", "restrict maximal FPS for loading screen so it will not update very often (this will make lesser loading times on a maps loading large number of models)"};
  51 cvar_t scr_infobar_height = {CVAR_CLIENT, "scr_infobar_height", "8", "the height of the infobar items"};
  52 cvar_t vid_conwidthauto = {CVAR_CLIENT | CVAR_SAVE, "vid_conwidthauto", "1", "automatically update vid_conwidth to match aspect ratio"};
  53 cvar_t vid_conwidth = {CVAR_CLIENT | CVAR_SAVE, "vid_conwidth", "640", "virtual width of 2D graphics system (note: changes may be overwritten, see vid_conwidthauto)"};
  54 cvar_t vid_conheight = {CVAR_CLIENT | CVAR_SAVE, "vid_conheight", "480", "virtual height of 2D graphics system"};
  55 cvar_t vid_pixelheight = {CVAR_CLIENT | CVAR_SAVE, "vid_pixelheight", "1", "adjusts vertical field of vision to account for non-square pixels (1280x1024 on a CRT monitor for example)"};
  56 cvar_t scr_screenshot_jpeg = {CVAR_CLIENT | CVAR_SAVE, "scr_screenshot_jpeg","1", "save jpeg instead of targa"};
  57 cvar_t scr_screenshot_jpeg_quality = {CVAR_CLIENT | CVAR_SAVE, "scr_screenshot_jpeg_quality","0.9", "image quality of saved jpeg"};
  58 cvar_t scr_screenshot_png = {CVAR_CLIENT | CVAR_SAVE, "scr_screenshot_png","0", "save png instead of targa"};
  59 cvar_t scr_screenshot_gammaboost = {CVAR_CLIENT | CVAR_SAVE, "scr_screenshot_gammaboost","1", "gamma correction on saved screenshots and videos, 1.0 saves unmodified images"};
  60 cvar_t scr_screenshot_alpha = {CVAR_CLIENT, "scr_screenshot_alpha","0", "try to write an alpha channel to screenshots (debugging feature)"};
  61 cvar_t scr_screenshot_timestamp = {CVAR_CLIENT | CVAR_SAVE, "scr_screenshot_timestamp", "1", "use a timestamp based number of the type YYYYMMDDHHMMSSsss instead of sequential numbering"};
  62 // scr_screenshot_name is defined in fs.c
  63 #ifdef CONFIG_VIDEO_CAPTURE
  64 cvar_t cl_capturevideo = {CVAR_CLIENT, "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)"};
  65 cvar_t cl_capturevideo_demo_stop = {CVAR_CLIENT | CVAR_SAVE, "cl_capturevideo_demo_stop", "1", "automatically stops video recording when demo ends"};
  66 cvar_t cl_capturevideo_printfps = {CVAR_CLIENT | CVAR_SAVE, "cl_capturevideo_printfps", "1", "prints the frames per second captured in capturevideo (is only written to the log file, not to the console, as that would be visible on the video)"};
  67 cvar_t cl_capturevideo_width = {CVAR_CLIENT | CVAR_SAVE, "cl_capturevideo_width", "0", "scales all frames to this resolution before saving the video"};
  68 cvar_t cl_capturevideo_height = {CVAR_CLIENT | CVAR_SAVE, "cl_capturevideo_height", "0", "scales all frames to this resolution before saving the video"};
  69 cvar_t cl_capturevideo_realtime = {CVAR_CLIENT, "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 a minute"};
  70 cvar_t cl_capturevideo_fps = {CVAR_CLIENT | CVAR_SAVE, "cl_capturevideo_fps", "30", "how many frames per second to save (29.97 for NTSC, 30 for typical PC video, 15 can be useful)"};
  71 cvar_t cl_capturevideo_nameformat = {CVAR_CLIENT | CVAR_SAVE, "cl_capturevideo_nameformat", "dpvideo", "prefix for saved videos (the date is encoded using strftime escapes)"};
  72 cvar_t cl_capturevideo_number = {CVAR_CLIENT | CVAR_SAVE, "cl_capturevideo_number", "1", "number to append to video filename, incremented each time a capture begins"};
  73 cvar_t cl_capturevideo_ogg = {CVAR_CLIENT | CVAR_SAVE, "cl_capturevideo_ogg", "1", "save captured video data as Ogg/Vorbis/Theora streams"};
  74 cvar_t cl_capturevideo_framestep = {CVAR_CLIENT | CVAR_SAVE, "cl_capturevideo_framestep", "1", "when set to n >= 1, render n frames to capture one (useful for motion blur like effects)"};
  75 #endif
  76 cvar_t r_letterbox = {CVAR_CLIENT, "r_letterbox", "0", "reduces vertical height of view to simulate a letterboxed movie effect (can be used by mods for cutscenes)"};
  77 cvar_t r_stereo_separation = {CVAR_CLIENT, "r_stereo_separation", "4", "separation distance of eyes in the world (negative values are only useful for cross-eyed viewing)"};
  78 cvar_t r_stereo_sidebyside = {CVAR_CLIENT, "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)"};
  79 cvar_t r_stereo_horizontal = {CVAR_CLIENT, "r_stereo_horizontal", "0", "aspect skewed side by side view for special decoder/display hardware"};
  80 cvar_t r_stereo_vertical = {CVAR_CLIENT, "r_stereo_vertical", "0", "aspect skewed top and bottom view for special decoder/display hardware"};
  81 cvar_t r_stereo_redblue = {CVAR_CLIENT, "r_stereo_redblue", "0", "red/blue anaglyph stereo glasses (note: most of these glasses are actually red/cyan, try that one too)"};
  82 cvar_t r_stereo_redcyan = {CVAR_CLIENT, "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"};
  83 cvar_t r_stereo_redgreen = {CVAR_CLIENT, "r_stereo_redgreen", "0", "red/green anaglyph stereo glasses (for those who don't mind yellow)"};
  84 cvar_t r_stereo_angle = {CVAR_CLIENT, "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)"};
  85 cvar_t scr_stipple = {CVAR_CLIENT, "scr_stipple", "0", "interlacing-like stippling of the display"};
  86 cvar_t scr_refresh = {CVAR_CLIENT, "scr_refresh", "1", "allows you to completely shut off rendering for benchmarking purposes"};
  87 cvar_t scr_screenshot_name_in_mapdir = {CVAR_CLIENT | CVAR_SAVE, "scr_screenshot_name_in_mapdir", "0", "if set to 1, screenshots are placed in a subdirectory named like the map they are from"};
  88 cvar_t shownetgraph = {CVAR_CLIENT | 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)"};
  89 cvar_t cl_demo_mousegrab = {CVAR_CLIENT, "cl_demo_mousegrab", "0", "Allows reading the mouse input while playing demos. Useful for camera mods developed in csqc. (0: never, 1: always)"};
  90 cvar_t timedemo_screenshotframelist = {CVAR_CLIENT, "timedemo_screenshotframelist", "", "when performing a timedemo, take screenshots of each frame in this space-separated list - example: 1 201 401"};
  91 cvar_t vid_touchscreen_outlinealpha = {CVAR_CLIENT, "vid_touchscreen_outlinealpha", "0", "opacity of touchscreen area outlines"};
  92 cvar_t vid_touchscreen_overlayalpha = {CVAR_CLIENT, "vid_touchscreen_overlayalpha", "0.25", "opacity of touchscreen area icons"};
  93 cvar_t r_speeds_graph = {CVAR_CLIENT | CVAR_SAVE, "r_speeds_graph", "0", "display a graph of renderer statistics "};
  94 cvar_t r_speeds_graph_filter[8] =
  95 {
  96         {CVAR_CLIENT | CVAR_SAVE, "r_speeds_graph_filter_r", "timedelta", "Red - display the specified renderer statistic"},
  97         {CVAR_CLIENT | CVAR_SAVE, "r_speeds_graph_filter_g", "batch_batches", "Green - display the specified renderer statistic"},
  98         {CVAR_CLIENT | CVAR_SAVE, "r_speeds_graph_filter_b", "batch_triangles", "Blue - display the specified renderer statistic"},
  99         {CVAR_CLIENT | CVAR_SAVE, "r_speeds_graph_filter_y", "fast_triangles", "Yellow - display the specified renderer statistic"},
 100         {CVAR_CLIENT | CVAR_SAVE, "r_speeds_graph_filter_c", "copytriangles_triangles", "Cyan - display the specified renderer statistic"},
 101         {CVAR_CLIENT | CVAR_SAVE, "r_speeds_graph_filter_m", "dynamic_triangles", "Magenta - display the specified renderer statistic"},
 102         {CVAR_CLIENT | CVAR_SAVE, "r_speeds_graph_filter_w", "animcache_shade_vertices", "White - display the specified renderer statistic"},
 103         {CVAR_CLIENT | CVAR_SAVE, "r_speeds_graph_filter_o", "animcache_shape_vertices", "Orange - display the specified renderer statistic"},
 104 };
 105 cvar_t r_speeds_graph_length = {CVAR_CLIENT | CVAR_SAVE, "r_speeds_graph_length", "1024", "number of frames in statistics graph, can be from 4 to 8192"};
 106 cvar_t r_speeds_graph_seconds = {CVAR_CLIENT | CVAR_SAVE, "r_speeds_graph_seconds", "2", "number of seconds in graph, can be from 0.1 to 120"};
 107 cvar_t r_speeds_graph_x = {CVAR_CLIENT | CVAR_SAVE, "r_speeds_graph_x", "0", "position of graph"};
 108 cvar_t r_speeds_graph_y = {CVAR_CLIENT | CVAR_SAVE, "r_speeds_graph_y", "0", "position of graph"};
 109 cvar_t r_speeds_graph_width = {CVAR_CLIENT | CVAR_SAVE, "r_speeds_graph_width", "256", "size of graph"};
 110 cvar_t r_speeds_graph_height = {CVAR_CLIENT | CVAR_SAVE, "r_speeds_graph_height", "128", "size of graph"};
 111 cvar_t r_speeds_graph_maxtimedelta = {CVAR_CLIENT | CVAR_SAVE, "r_speeds_graph_maxtimedelta", "16667", "maximum timedelta to display in the graph (this value will be the top line)"};
 112 cvar_t r_speeds_graph_maxdefault = {CVAR_CLIENT | CVAR_SAVE, "r_speeds_graph_maxdefault", "100", "if the minimum and maximum observed values are closer than this, use this value as the graph range (keeps small numbers from being big graphs)"};
 113
 114
 115
 116 extern cvar_t sbar_info_pos;
 117 extern cvar_t r_fog_clear;
 118
 119 int jpeg_supported = false;
 120
 121 qboolean        scr_initialized;                // ready to draw
 122
 123 float           scr_con_current;
 124 int                     scr_con_margin_bottom;
 125
 126 extern int      con_vislines;
 127
 128 static void SCR_ScreenShot_f(cmd_state_t *cmd);
 129 static void R_Envmap_f(cmd_state_t *cmd);
 130
 131 // backend
 132 void R_ClearScreen(qboolean fogcolor);
 133
 134 /*
 135 ===============================================================================
 136
 137 CENTER PRINTING
 138
 139 ===============================================================================
 140 */
 141
 142 char            scr_centerstring[MAX_INPUTLINE];
 143 float           scr_centertime_start;   // for slow victory printing
 144 float           scr_centertime_off;
 145 int                     scr_center_lines;
 146 int                     scr_erase_lines;
 147 int                     scr_erase_center;
 148 char        scr_infobarstring[MAX_INPUTLINE];
 149 float       scr_infobartime_off;
 150
 151 /*
 152 ==============
 153 SCR_CenterPrint
 154
 155 Called for important messages that should stay in the center of the screen
 156 for a few moments
 157 ==============
 158 */
 159 void SCR_CenterPrint(const char *str)
 160 {
 161         strlcpy (scr_centerstring, str, sizeof (scr_centerstring));
 162         scr_centertime_off = scr_centertime.value;
 163         scr_centertime_start = cl.time;
 164
 165 // count the number of lines for centering
 166         scr_center_lines = 1;
 167         while (*str)
 168         {
 169                 if (*str == '\n')
 170                         scr_center_lines++;
 171                 str++;
 172         }
 173 }
 174
 175
 176 static void SCR_DrawCenterString (void)
 177 {
 178         char    *start;
 179         int             x, y;
 180         int             remaining;
 181         int             color;
 182
 183         if(cl.intermission == 2) // in finale,
 184                 if(sb_showscores) // make TAB hide the finale message (sb_showscores overrides finale in sbar.c)
 185                         return;
 186
 187         if(scr_centertime.value <= 0 && !cl.intermission)
 188                 return;
 189
 190 // the finale prints the characters one at a time, except if printspeed is an absurdly high value
 191         if (cl.intermission && scr_printspeed.value > 0 && scr_printspeed.value < 1000000)
 192                 remaining = (int)(scr_printspeed.value * (cl.time - scr_centertime_start));
 193         else
 194                 remaining = 9999;
 195
 196         scr_erase_center = 0;
 197         start = scr_centerstring;
 198
 199         if (remaining < 1)
 200                 return;
 201
 202         if (scr_center_lines <= 4)
 203                 y = (int)(vid_conheight.integer*0.35);
 204         else
 205                 y = 48;
 206
 207         color = -1;
 208         do
 209         {
 210                 // scan the number of characters on the line, not counting color codes
 211                 char *newline = strchr(start, '\n');
 212                 int l = newline ? (newline - start) : (int)strlen(start);
 213                 float width = DrawQ_TextWidth(start, l, 8, 8, false, FONT_CENTERPRINT);
 214
 215                 x = (int) (vid_conwidth.integer - width)/2;
 216                 if (l > 0)
 217                 {
 218                         if (remaining < l)
 219                                 l = remaining;
 220                         DrawQ_String(x, y, start, l, 8, 8, 1, 1, 1, 1, 0, &color, false, FONT_CENTERPRINT);
 221                         remaining -= l;
 222                         if (remaining <= 0)
 223                                 return;
 224                 }
 225                 y += 8;
 226
 227                 if (!newline)
 228                         break;
 229                 start = newline + 1; // skip the \n
 230         } while (1);
 231 }
 232
 233 static void SCR_CheckDrawCenterString (void)
 234 {
 235         if (scr_center_lines > scr_erase_lines)
 236                 scr_erase_lines = scr_center_lines;
 237
 238         if (cl.time > cl.oldtime)
 239                 scr_centertime_off -= cl.time - cl.oldtime;
 240
 241         // don't draw if this is a normal stats-screen intermission,
 242         // only if it is not an intermission, or a finale intermission
 243         if (cl.intermission == 1)
 244                 return;
 245         if (scr_centertime_off <= 0 && !cl.intermission)
 246                 return;
 247         if (key_dest != key_game)
 248                 return;
 249
 250         SCR_DrawCenterString ();
 251 }
 252
 253 static void SCR_DrawNetGraph_DrawGraph (int graphx, int graphy, int graphwidth, int graphheight, float graphscale, int graphlimit, const char *label, float textsize, int packetcounter, netgraphitem_t *netgraph)
 254 {
 255         netgraphitem_t *graph;
 256         int j, x, y;
 257         int totalbytes = 0;
 258         char bytesstring[128];
 259         float g[NETGRAPH_PACKETS][7];
 260         float *a;
 261         float *b;
 262         DrawQ_Fill(graphx, graphy, graphwidth, graphheight + textsize * 2, 0, 0, 0, 0.5, 0);
 263         // draw the bar graph itself
 264         memset(g, 0, sizeof(g));
 265         for (j = 0;j < NETGRAPH_PACKETS;j++)
 266         {
 267                 graph = netgraph + j;
 268                 g[j][0] = 1.0f - 0.25f * (realtime - graph->time);
 269                 g[j][1] = 1.0f;
 270                 g[j][2] = 1.0f;
 271                 g[j][3] = 1.0f;
 272                 g[j][4] = 1.0f;
 273                 g[j][5] = 1.0f;
 274                 g[j][6] = 1.0f;
 275                 if (graph->unreliablebytes == NETGRAPH_LOSTPACKET)
 276                         g[j][1] = 0.00f;
 277                 else if (graph->unreliablebytes == NETGRAPH_CHOKEDPACKET)
 278                         g[j][2] = 0.90f;
 279                 else
 280                 {
 281                         if(netgraph[j].time >= netgraph[(j+NETGRAPH_PACKETS-1)%NETGRAPH_PACKETS].time)
 282                                 if(graph->unreliablebytes + graph->reliablebytes + graph->ackbytes >= graphlimit * (netgraph[j].time - netgraph[(j+NETGRAPH_PACKETS-1)%NETGRAPH_PACKETS].time))
 283                                         g[j][2] = 0.98f;
 284                         g[j][3] = 1.0f    - graph->unreliablebytes * graphscale;
 285                         g[j][4] = g[j][3] - graph->reliablebytes   * graphscale;
 286                         g[j][5] = g[j][4] - graph->ackbytes        * graphscale;
 287                         // count bytes in the last second
 288                         if (realtime - graph->time < 1.0f)
 289                                 totalbytes += graph->unreliablebytes + graph->reliablebytes + graph->ackbytes;
 290                 }
 291                 if(graph->cleartime >= 0)
 292                         g[j][6] = 0.5f + 0.5f * (2.0 / M_PI) * atan((M_PI / 2.0) * (graph->cleartime - graph->time));
 293                 g[j][1] = bound(0.0f, g[j][1], 1.0f);
 294                 g[j][2] = bound(0.0f, g[j][2], 1.0f);
 295                 g[j][3] = bound(0.0f, g[j][3], 1.0f);
 296                 g[j][4] = bound(0.0f, g[j][4], 1.0f);
 297                 g[j][5] = bound(0.0f, g[j][5], 1.0f);
 298                 g[j][6] = bound(0.0f, g[j][6], 1.0f);
 299         }
 300         // render the lines for the graph
 301         for (j = 0;j < NETGRAPH_PACKETS;j++)
 302         {
 303                 a = g[j];
 304                 b = g[(j+1)%NETGRAPH_PACKETS];
 305                 if (a[0] < 0.0f || b[0] > 1.0f || b[0] < a[0])
 306                         continue;
 307                 DrawQ_Line(1, graphx + graphwidth * a[0], graphy + graphheight * a[2], graphx + graphwidth * b[0], graphy + graphheight * b[2], 1.0f, 1.0f, 1.0f, 1.0f, 0);
 308                 DrawQ_Line(1, graphx + graphwidth * a[0], graphy + graphheight * a[1], graphx + graphwidth * b[0], graphy + graphheight * b[1], 1.0f, 0.0f, 0.0f, 1.0f, 0);
 309                 DrawQ_Line(1, graphx + graphwidth * a[0], graphy + graphheight * a[5], graphx + graphwidth * b[0], graphy + graphheight * b[5], 0.0f, 1.0f, 0.0f, 1.0f, 0);
 310                 DrawQ_Line(1, graphx + graphwidth * a[0], graphy + graphheight * a[4], graphx + graphwidth * b[0], graphy + graphheight * b[4], 1.0f, 1.0f, 1.0f, 1.0f, 0);
 311                 DrawQ_Line(1, graphx + graphwidth * a[0], graphy + graphheight * a[3], graphx + graphwidth * b[0], graphy + graphheight * b[3], 1.0f, 0.5f, 0.0f, 1.0f, 0);
 312                 DrawQ_Line(1, graphx + graphwidth * a[0], graphy + graphheight * a[6], graphx + graphwidth * b[0], graphy + graphheight * b[6], 0.0f, 0.0f, 1.0f, 1.0f, 0);
 313         }
 314         x = graphx;
 315         y = graphy + graphheight;
 316         dpsnprintf(bytesstring, sizeof(bytesstring), "%i", totalbytes);
 317         DrawQ_String(x, y, label      , 0, textsize, textsize, 1.0f, 1.0f, 1.0f, 1.0f, 0, NULL, false, FONT_DEFAULT);y += textsize;
 318         DrawQ_String(x, y, bytesstring, 0, textsize, textsize, 1.0f, 1.0f, 1.0f, 1.0f, 0, NULL, false, FONT_DEFAULT);y += textsize;
 319 }
 320
 321 /*
 322 ==============
 323 SCR_DrawNetGraph
 324 ==============
 325 */
 326 static void SCR_DrawNetGraph (void)
 327 {
 328         int i, separator1, separator2, graphwidth, graphheight, netgraph_x, netgraph_y, textsize, index, netgraphsperrow, graphlimit;
 329         float graphscale;
 330         netconn_t *c;
 331         char vabuf[1024];
 332
 333         if (cls.state != ca_connected)
 334                 return;
 335         if (!cls.netcon)
 336                 return;
 337         if (!shownetgraph.integer)
 338                 return;
 339
 340         separator1 = 2;
 341         separator2 = 4;
 342         textsize = 8;
 343         graphwidth = 120;
 344         graphheight = 70;
 345         graphscale = 1.0f / 1500.0f;
 346         graphlimit = cl_rate.integer;
 347
 348         netgraphsperrow = (vid_conwidth.integer + separator2) / (graphwidth * 2 + separator1 + separator2);
 349         netgraphsperrow = max(netgraphsperrow, 1);
 350
 351         index = 0;
 352         netgraph_x = (vid_conwidth.integer + separator2) - (1 + (index % netgraphsperrow)) * (graphwidth * 2 + separator1 + separator2);
 353         netgraph_y = (vid_conheight.integer - 48 - sbar_info_pos.integer + separator2) - (1 + (index / netgraphsperrow)) * (graphheight + textsize + separator2);
 354         c = cls.netcon;
 355         SCR_DrawNetGraph_DrawGraph(netgraph_x                          , netgraph_y, graphwidth, graphheight, graphscale, graphlimit, "incoming", textsize, c->incoming_packetcounter, c->incoming_netgraph);
 356         SCR_DrawNetGraph_DrawGraph(netgraph_x + graphwidth + separator1, netgraph_y, graphwidth, graphheight, graphscale, graphlimit, "outgoing", textsize, c->outgoing_packetcounter, c->outgoing_netgraph);
 357         index++;
 358
 359         if (sv.active && shownetgraph.integer >= 2)
 360         {
 361                 for (i = 0;i < svs.maxclients;i++)
 362                 {
 363                         c = svs.clients[i].netconnection;
 364                         if (!c)
 365                                 continue;
 366                         netgraph_x = (vid_conwidth.integer + separator2) - (1 + (index % netgraphsperrow)) * (graphwidth * 2 + separator1 + separator2);
 367                         netgraph_y = (vid_conheight.integer - 48 + separator2) - (1 + (index / netgraphsperrow)) * (graphheight + textsize + separator2);
 368                         SCR_DrawNetGraph_DrawGraph(netgraph_x                          , netgraph_y, graphwidth, graphheight, graphscale, graphlimit, va(vabuf, sizeof(vabuf), "%s", svs.clients[i].name), textsize, c->outgoing_packetcounter, c->outgoing_netgraph);
 369                         SCR_DrawNetGraph_DrawGraph(netgraph_x + graphwidth + separator1, netgraph_y, graphwidth, graphheight, graphscale, graphlimit, ""                           , textsize, c->incoming_packetcounter, c->incoming_netgraph);
 370                         index++;
 371                 }
 372         }
 373 }
 374
 375 /*
 376 ==============
 377 SCR_DrawTurtle
 378 ==============
 379 */
 380 static void SCR_DrawTurtle (void)
 381 {
 382         static int      count;
 383
 384         if (cls.state != ca_connected)
 385                 return;
 386
 387         if (!scr_showturtle.integer)
 388                 return;
 389
 390         if (cl.realframetime < 0.1)
 391         {
 392                 count = 0;
 393                 return;
 394         }
 395
 396         count++;
 397         if (count < 3)
 398                 return;
 399
 400         DrawQ_Pic (0, 0, Draw_CachePic ("gfx/turtle"), 0, 0, 1, 1, 1, 1, 0);
 401 }
 402
 403 /*
 404 ==============
 405 SCR_DrawNet
 406 ==============
 407 */
 408 static void SCR_DrawNet (void)
 409 {
 410         if (cls.state != ca_connected)
 411                 return;
 412         if (realtime - cl.last_received_message < 0.3)
 413                 return;
 414         if (cls.demoplayback)
 415                 return;
 416
 417         DrawQ_Pic (64, 0, Draw_CachePic ("gfx/net"), 0, 0, 1, 1, 1, 1, 0);
 418 }
 419
 420 /*
 421 ==============
 422 DrawPause
 423 ==============
 424 */
 425 static void SCR_DrawPause (void)
 426 {
 427         cachepic_t      *pic;
 428
 429         if (cls.state != ca_connected)
 430                 return;
 431
 432         if (!scr_showpause.integer)             // turn off for screenshots
 433                 return;
 434
 435         if (!cl.paused)
 436                 return;
 437
 438         pic = Draw_CachePic ("gfx/pause");
 439         DrawQ_Pic ((vid_conwidth.integer - Draw_GetPicWidth(pic))/2, (vid_conheight.integer - Draw_GetPicHeight(pic))/2, pic, 0, 0, 1, 1, 1, 1, 0);
 440 }
 441
 442 /*
 443 ==============
 444 SCR_DrawBrand
 445 ==============
 446 */
 447 static void SCR_DrawBrand (void)
 448 {
 449         cachepic_t      *pic;
 450         float           x, y;
 451
 452         if (!scr_showbrand.value)
 453                 return;
 454
 455         pic = Draw_CachePic ("gfx/brand");
 456
 457         switch ((int)scr_showbrand.value)
 458         {
 459         case 1: // bottom left
 460                 x = 0;
 461                 y = vid_conheight.integer - Draw_GetPicHeight(pic);
 462                 break;
 463         case 2: // bottom centre
 464                 x = (vid_conwidth.integer - Draw_GetPicWidth(pic)) / 2;
 465                 y = vid_conheight.integer - Draw_GetPicHeight(pic);
 466                 break;
 467         case 3: // bottom right
 468                 x = vid_conwidth.integer - Draw_GetPicWidth(pic);
 469                 y = vid_conheight.integer - Draw_GetPicHeight(pic);
 470                 break;
 471         case 4: // centre right
 472                 x = vid_conwidth.integer - Draw_GetPicWidth(pic);
 473                 y = (vid_conheight.integer - Draw_GetPicHeight(pic)) / 2;
 474                 break;
 475         case 5: // top right
 476                 x = vid_conwidth.integer - Draw_GetPicWidth(pic);
 477                 y = 0;
 478                 break;
 479         case 6: // top centre
 480                 x = (vid_conwidth.integer - Draw_GetPicWidth(pic)) / 2;
 481                 y = 0;
 482                 break;
 483         case 7: // top left
 484                 x = 0;
 485                 y = 0;
 486                 break;
 487         case 8: // centre left
 488                 x = 0;
 489                 y = (vid_conheight.integer - Draw_GetPicHeight(pic)) / 2;
 490                 break;
 491         default:
 492                 return;
 493         }
 494
 495         DrawQ_Pic (x, y, pic, 0, 0, 1, 1, 1, 1, 0);
 496 }
 497
 498 /*
 499 ==============
 500 SCR_DrawQWDownload
 501 ==============
 502 */
 503 static int SCR_DrawQWDownload(int offset)
 504 {
 505         // sync with SCR_InfobarHeight
 506         int len;
 507         float x, y;
 508         float size = scr_infobar_height.value;
 509         char temp[256];
 510
 511         if (!cls.qw_downloadname[0])
 512         {
 513                 cls.qw_downloadspeedrate = 0;
 514                 cls.qw_downloadspeedtime = realtime;
 515                 cls.qw_downloadspeedcount = 0;
 516                 return 0;
 517         }
 518         if (realtime >= cls.qw_downloadspeedtime + 1)
 519         {
 520                 cls.qw_downloadspeedrate = cls.qw_downloadspeedcount;
 521                 cls.qw_downloadspeedtime = realtime;
 522                 cls.qw_downloadspeedcount = 0;
 523         }
 524         if (cls.protocol == PROTOCOL_QUAKEWORLD)
 525                 dpsnprintf(temp, sizeof(temp), "Downloading %s %3i%% (%i) at %i bytes/s", cls.qw_downloadname, cls.qw_downloadpercent, cls.qw_downloadmemorycursize, cls.qw_downloadspeedrate);
 526         else
 527                 dpsnprintf(temp, sizeof(temp), "Downloading %s %3i%% (%i/%i) at %i bytes/s", cls.qw_downloadname, cls.qw_downloadpercent, cls.qw_downloadmemorycursize, cls.qw_downloadmemorymaxsize, cls.qw_downloadspeedrate);
 528         len = (int)strlen(temp);
 529         x = (vid_conwidth.integer - DrawQ_TextWidth(temp, len, size, size, true, FONT_INFOBAR)) / 2;
 530         y = vid_conheight.integer - size - offset;
 531         DrawQ_Fill(0, y, vid_conwidth.integer, size, 0, 0, 0, cls.signon == SIGNONS ? 0.5 : 1, 0);
 532         DrawQ_String(x, y, temp, len, size, size, 1, 1, 1, 1, 0, NULL, true, FONT_INFOBAR);
 533         return size;
 534 }
 535 /*
 536 ==============
 537 SCR_DrawInfobarString
 538 ==============
 539 */
 540 static int SCR_DrawInfobarString(int offset)
 541 {
 542         int len;
 543         float x, y;
 544         float size = scr_infobar_height.value;
 545
 546         len = (int)strlen(scr_infobarstring);
 547         x = (vid_conwidth.integer - DrawQ_TextWidth(scr_infobarstring, len, size, size, false, FONT_INFOBAR)) / 2;
 548         y = vid_conheight.integer - size - offset;
 549         DrawQ_Fill(0, y, vid_conwidth.integer, size, 0, 0, 0, cls.signon == SIGNONS ? 0.5 : 1, 0);
 550         DrawQ_String(x, y, scr_infobarstring, len, size, size, 1, 1, 1, 1, 0, NULL, false, FONT_INFOBAR);
 551         return size;
 552 }
 553
 554 /*
 555 ==============
 556 SCR_DrawCurlDownload
 557 ==============
 558 */
 559 static int SCR_DrawCurlDownload(int offset)
 560 {
 561         // sync with SCR_InfobarHeight
 562         int len;
 563         int nDownloads;
 564         int i;
 565         float x, y;
 566         float size = scr_infobar_height.value;
 567         Curl_downloadinfo_t *downinfo;
 568         char temp[256];
 569         char addinfobuf[128];
 570         const char *addinfo;
 571
 572         downinfo = Curl_GetDownloadInfo(&nDownloads, &addinfo, addinfobuf, sizeof(addinfobuf));
 573         if(!downinfo)
 574                 return 0;
 575
 576         y = vid_conheight.integer - size * nDownloads - offset;
 577
 578         if(addinfo)
 579         {
 580                 len = (int)strlen(addinfo);
 581                 x = (vid_conwidth.integer - DrawQ_TextWidth(addinfo, len, size, size, true, FONT_INFOBAR)) / 2;
 582                 DrawQ_Fill(0, y - size, vid_conwidth.integer, size, 1, 1, 1, cls.signon == SIGNONS ? 0.8 : 1, 0);
 583                 DrawQ_String(x, y - size, addinfo, len, size, size, 0, 0, 0, 1, 0, NULL, true, FONT_INFOBAR);
 584         }
 585
 586         for(i = 0; i != nDownloads; ++i)
 587         {
 588                 if(downinfo[i].queued)
 589                         dpsnprintf(temp, sizeof(temp), "Still in queue: %s", downinfo[i].filename);
 590                 else if(downinfo[i].progress <= 0)
 591                         dpsnprintf(temp, sizeof(temp), "Downloading %s ...  ???.?%% @ %.1f KiB/s", downinfo[i].filename, downinfo[i].speed / 1024.0);
 592                 else
 593                         dpsnprintf(temp, sizeof(temp), "Downloading %s ...  %5.1f%% @ %.1f KiB/s", downinfo[i].filename, 100.0 * downinfo[i].progress, downinfo[i].speed / 1024.0);
 594                 len = (int)strlen(temp);
 595                 x = (vid_conwidth.integer - DrawQ_TextWidth(temp, len, size, size, true, FONT_INFOBAR)) / 2;
 596                 DrawQ_Fill(0, y + i * size, vid_conwidth.integer, size, 0, 0, 0, cls.signon == SIGNONS ? 0.5 : 1, 0);
 597                 DrawQ_String(x, y + i * size, temp, len, size, size, 1, 1, 1, 1, 0, NULL, true, FONT_INFOBAR);
 598         }
 599
 600         Z_Free(downinfo);
 601
 602         return size * (nDownloads + (addinfo ? 1 : 0));
 603 }
 604
 605 /*
 606 ==============
 607 SCR_DrawInfobar
 608 ==============
 609 */
 610 static void SCR_DrawInfobar(void)
 611 {
 612         int offset = 0;
 613         offset += SCR_DrawQWDownload(offset);
 614         offset += SCR_DrawCurlDownload(offset);
 615         if(scr_infobartime_off > 0)
 616                 offset += SCR_DrawInfobarString(offset);
 617         if(offset != scr_con_margin_bottom)
 618                 Con_DPrintf("broken console margin calculation: %d != %d\n", offset, scr_con_margin_bottom);
 619 }
 620
 621 static int SCR_InfobarHeight(void)
 622 {
 623         int offset = 0;
 624         Curl_downloadinfo_t *downinfo;
 625         const char *addinfo;
 626         int nDownloads;
 627         char addinfobuf[128];
 628
 629         if (cl.time > cl.oldtime)
 630                 scr_infobartime_off -= cl.time - cl.oldtime;
 631         if(scr_infobartime_off > 0)
 632                 offset += 1;
 633         if(cls.qw_downloadname[0])
 634                 offset += 1;
 635
 636         downinfo = Curl_GetDownloadInfo(&nDownloads, &addinfo, addinfobuf, sizeof(addinfobuf));
 637         if(downinfo)
 638         {
 639                 offset += (nDownloads + (addinfo ? 1 : 0));
 640                 Z_Free(downinfo);
 641         }
 642         offset *= scr_infobar_height.value;
 643
 644         return offset;
 645 }
 646
 647 /*
 648 ==============
 649 SCR_InfoBar_f
 650 ==============
 651 */
 652 static void SCR_InfoBar_f(cmd_state_t *cmd)
 653 {
 654         if(Cmd_Argc(cmd) == 3)
 655         {
 656                 scr_infobartime_off = atof(Cmd_Argv(cmd, 1));
 657                 strlcpy(scr_infobarstring, Cmd_Argv(cmd, 2), sizeof(scr_infobarstring));
 658         }
 659         else
 660         {
 661                 Con_Printf("usage:\ninfobar expiretime \"string\"\n");
 662         }
 663 }
 664 //=============================================================================
 665
 666 /*
 667 ==================
 668 SCR_SetUpToDrawConsole
 669 ==================
 670 */
 671 static void SCR_SetUpToDrawConsole (void)
 672 {
 673         // lines of console to display
 674         float conlines;
 675 #ifdef CONFIG_MENU
 676         static int framecounter = 0;
 677 #endif
 678
 679         Con_CheckResize ();
 680
 681 #ifdef CONFIG_MENU
 682         if (scr_menuforcewhiledisconnected.integer && key_dest == key_game && cls.state == ca_disconnected)
 683         {
 684                 if (framecounter >= 2)
 685                         MR_ToggleMenu(1);
 686                 else
 687                         framecounter++;
 688         }
 689         else
 690                 framecounter = 0;
 691 #endif
 692
 693         if (scr_conforcewhiledisconnected.integer >= 2 && key_dest == key_game && cls.signon != SIGNONS)
 694                 key_consoleactive |= KEY_CONSOLEACTIVE_FORCED;
 695         else if (scr_conforcewhiledisconnected.integer >= 1 && key_dest == key_game && cls.signon != SIGNONS && !sv.active)
 696                 key_consoleactive |= KEY_CONSOLEACTIVE_FORCED;
 697         else
 698                 key_consoleactive &= ~KEY_CONSOLEACTIVE_FORCED;
 699
 700 // decide on the height of the console
 701         if (key_consoleactive & KEY_CONSOLEACTIVE_USER)
 702                 conlines = vid_conheight.integer/2;     // half screen
 703         else
 704                 conlines = 0;                           // none visible
 705
 706         scr_con_current = conlines;
 707 }
 708
 709 /*
 710 ==================
 711 SCR_DrawConsole
 712 ==================
 713 */
 714 void SCR_DrawConsole (void)
 715 {
 716         scr_con_margin_bottom = SCR_InfobarHeight();
 717         if (key_consoleactive & KEY_CONSOLEACTIVE_FORCED)
 718         {
 719                 // full screen
 720                 Con_DrawConsole (vid_conheight.integer - scr_con_margin_bottom);
 721         }
 722         else if (scr_con_current)
 723                 Con_DrawConsole (min((int)scr_con_current, vid_conheight.integer - scr_con_margin_bottom));
 724         else
 725                 con_vislines = 0;
 726 }
 727
 728 /*
 729 ===============
 730 SCR_BeginLoadingPlaque
 731
 732 ================
 733 */
 734 void SCR_BeginLoadingPlaque (qboolean startup)
 735 {
 736         // save console log up to this point to log_file if it was set by configs
 737         Log_Start();
 738
 739         Host_StartVideo();
 740         SCR_UpdateLoadingScreen(false, startup);
 741 }
 742
 743 //=============================================================================
 744
 745 const char *r_stat_name[r_stat_count] =
 746 {
 747         "timedelta",
 748         "quality",
 749         "renders",
 750         "entities",
 751         "entities_surfaces",
 752         "entities_triangles",
 753         "world_leafs",
 754         "world_portals",
 755         "world_surfaces",
 756         "world_triangles",
 757         "lightmapupdates",
 758         "lightmapupdatepixels",
 759         "particles",
 760         "drawndecals",
 761         "totaldecals",
 762         "draws",
 763         "draws_vertices",
 764         "draws_elements",
 765         "lights",
 766         "lights_clears",
 767         "lights_scissored",
 768         "lights_lighttriangles",
 769         "lights_shadowtriangles",
 770         "lights_dynamicshadowtriangles",
 771         "bouncegrid_lights",
 772         "bouncegrid_particles",
 773         "bouncegrid_traces",
 774         "bouncegrid_hits",
 775         "bouncegrid_splats",
 776         "bouncegrid_bounces",
 777         "photoncache_animated",
 778         "photoncache_cached",
 779         "photoncache_traced",
 780         "bloom",
 781         "bloom_copypixels",
 782         "bloom_drawpixels",
 783         "rendertargets_used",
 784         "rendertargets_pixels",
 785         "indexbufferuploadcount",
 786         "indexbufferuploadsize",
 787         "vertexbufferuploadcount",
 788         "vertexbufferuploadsize",
 789         "framedatacurrent",
 790         "framedatasize",
 791         "bufferdatacurrent_vertex", // R_BUFFERDATA_ types are added to this index
 792         "bufferdatacurrent_index16",
 793         "bufferdatacurrent_index32",
 794         "bufferdatacurrent_uniform",
 795         "bufferdatasize_vertex", // R_BUFFERDATA_ types are added to this index
 796         "bufferdatasize_index16",
 797         "bufferdatasize_index32",
 798         "bufferdatasize_uniform",
 799         "animcache_skeletal_count",
 800         "animcache_skeletal_bones",
 801         "animcache_skeletal_maxbones",
 802         "animcache_shade_count",
 803         "animcache_shade_vertices",
 804         "animcache_shade_maxvertices",
 805         "animcache_shape_count",
 806         "animcache_shape_vertices",
 807         "animcache_shape_maxvertices",
 808         "batch_batches",
 809         "batch_withgaps",
 810         "batch_surfaces",
 811         "batch_vertices",
 812         "batch_triangles",
 813         "fast_batches",
 814         "fast_surfaces",
 815         "fast_vertices",
 816         "fast_triangles",
 817         "copytriangles_batches",
 818         "copytriangles_surfaces",
 819         "copytriangles_vertices",
 820         "copytriangles_triangles",
 821         "dynamic_batches",
 822         "dynamic_surfaces",
 823         "dynamic_vertices",
 824         "dynamic_triangles",
 825         "dynamicskeletal_batches",
 826         "dynamicskeletal_surfaces",
 827         "dynamicskeletal_vertices",
 828         "dynamicskeletal_triangles",
 829         "dynamic_batches_because_cvar",
 830         "dynamic_surfaces_because_cvar",
 831         "dynamic_vertices_because_cvar",
 832         "dynamic_triangles_because_cvar",
 833         "dynamic_batches_because_lightmapvertex",
 834         "dynamic_surfaces_because_lightmapvertex",
 835         "dynamic_vertices_because_lightmapvertex",
 836         "dynamic_triangles_because_lightmapvertex",
 837         "dynamic_batches_because_deformvertexes_autosprite",
 838         "dynamic_surfaces_because_deformvertexes_autosprite",
 839         "dynamic_vertices_because_deformvertexes_autosprite",
 840         "dynamic_triangles_because_deformvertexes_autosprite",
 841         "dynamic_batches_because_deformvertexes_autosprite2",
 842         "dynamic_surfaces_because_deformvertexes_autosprite2",
 843         "dynamic_vertices_because_deformvertexes_autosprite2",
 844         "dynamic_triangles_because_deformvertexes_autosprite2",
 845         "dynamic_batches_because_deformvertexes_normal",
 846         "dynamic_surfaces_because_deformvertexes_normal",
 847         "dynamic_vertices_because_deformvertexes_normal",
 848         "dynamic_triangles_because_deformvertexes_normal",
 849         "dynamic_batches_because_deformvertexes_wave",
 850         "dynamic_surfaces_because_deformvertexes_wave",
 851         "dynamic_vertices_because_deformvertexes_wave",
 852         "dynamic_triangles_because_deformvertexes_wave",
 853         "dynamic_batches_because_deformvertexes_bulge",
 854         "dynamic_surfaces_because_deformvertexes_bulge",
 855         "dynamic_vertices_because_deformvertexes_bulge",
 856         "dynamic_triangles_because_deformvertexes_bulge",
 857         "dynamic_batches_because_deformvertexes_move",
 858         "dynamic_surfaces_because_deformvertexes_move",
 859         "dynamic_vertices_because_deformvertexes_move",
 860         "dynamic_triangles_because_deformvertexes_move",
 861         "dynamic_batches_because_tcgen_lightmap",
 862         "dynamic_surfaces_because_tcgen_lightmap",
 863         "dynamic_vertices_because_tcgen_lightmap",
 864         "dynamic_triangles_because_tcgen_lightmap",
 865         "dynamic_batches_because_tcgen_vector",
 866         "dynamic_surfaces_because_tcgen_vector",
 867         "dynamic_vertices_because_tcgen_vector",
 868         "dynamic_triangles_because_tcgen_vector",
 869         "dynamic_batches_because_tcgen_environment",
 870         "dynamic_surfaces_because_tcgen_environment",
 871         "dynamic_vertices_because_tcgen_environment",
 872         "dynamic_triangles_because_tcgen_environment",
 873         "dynamic_batches_because_tcmod_turbulent",
 874         "dynamic_surfaces_because_tcmod_turbulent",
 875         "dynamic_vertices_because_tcmod_turbulent",
 876         "dynamic_triangles_because_tcmod_turbulent",
 877         "dynamic_batches_because_nogaps",
 878         "dynamic_surfaces_because_nogaps",
 879         "dynamic_vertices_because_nogaps",
 880         "dynamic_triangles_because_nogaps",
 881         "dynamic_batches_because_derived",
 882         "dynamic_surfaces_because_derived",
 883         "dynamic_vertices_because_derived",
 884         "dynamic_triangles_because_derived",
 885         "entitycache_count",
 886         "entitycache_surfaces",
 887         "entitycache_vertices",
 888         "entitycache_triangles",
 889         "entityanimate_count",
 890         "entityanimate_surfaces",
 891         "entityanimate_vertices",
 892         "entityanimate_triangles",
 893         "entityskeletal_count",
 894         "entityskeletal_surfaces",
 895         "entityskeletal_vertices",
 896         "entityskeletal_triangles",
 897         "entitystatic_count",
 898         "entitystatic_surfaces",
 899         "entitystatic_vertices",
 900         "entitystatic_triangles",
 901         "entitycustom_count",
 902         "entitycustom_surfaces",
 903         "entitycustom_vertices",
 904         "entitycustom_triangles",
 905 };
 906
 907 char r_speeds_timestring[4096];
 908 int speedstringcount, r_timereport_active;
 909 double r_timereport_temp = 0, r_timereport_current = 0, r_timereport_start = 0;
 910 int r_speeds_longestitem = 0;
 911
 912 void R_TimeReport(const char *desc)
 913 {
 914         char tempbuf[256];
 915         int length;
 916         int t;
 917
 918         if (r_speeds.integer < 2 || !r_timereport_active)
 919                 return;
 920
 921         CHECKGLERROR
 922         if (r_speeds.integer == 2)
 923                 GL_Finish();
 924         CHECKGLERROR
 925         r_timereport_temp = r_timereport_current;
 926         r_timereport_current = Sys_DirtyTime();
 927         t = (int) ((r_timereport_current - r_timereport_temp) * 1000000.0 + 0.5);
 928
 929         length = dpsnprintf(tempbuf, sizeof(tempbuf), "%8i %s", t, desc);
 930         if (length < 0)
 931                 length = (int)sizeof(tempbuf) - 1;
 932         if (r_speeds_longestitem < length)
 933                 r_speeds_longestitem = length;
 934         for (;length < r_speeds_longestitem;length++)
 935                 tempbuf[length] = ' ';
 936         tempbuf[length] = 0;
 937
 938         if (speedstringcount + length > (vid_conwidth.integer / 8))
 939         {
 940                 strlcat(r_speeds_timestring, "\n", sizeof(r_speeds_timestring));
 941                 speedstringcount = 0;
 942         }
 943         strlcat(r_speeds_timestring, tempbuf, sizeof(r_speeds_timestring));
 944         speedstringcount += length;
 945 }
 946
 947 static void R_TimeReport_BeginFrame(void)
 948 {
 949         speedstringcount = 0;
 950         r_speeds_timestring[0] = 0;
 951         r_timereport_active = false;
 952         memset(&r_refdef.stats, 0, sizeof(r_refdef.stats));
 953
 954         if (r_speeds.integer >= 2)
 955         {
 956                 r_timereport_active = true;
 957                 r_timereport_start = r_timereport_current = Sys_DirtyTime();
 958         }
 959 }
 960
 961 static int R_CountLeafTriangles(const dp_model_t *model, const mleaf_t *leaf)
 962 {
 963         int i, triangles = 0;
 964         for (i = 0;i < leaf->numleafsurfaces;i++)
 965                 triangles += model->data_surfaces[leaf->firstleafsurface[i]].num_triangles;
 966         return triangles;
 967 }
 968
 969 #define R_SPEEDS_GRAPH_COLORS 8
 970 #define R_SPEEDS_GRAPH_TEXTLENGTH 64
 971 static float r_speeds_graph_colors[R_SPEEDS_GRAPH_COLORS][4] = {{1, 0, 0, 1}, {0, 1, 0, 1}, {0, 0, 1, 1}, {1, 1, 0, 1}, {0, 1, 1, 1}, {1, 0, 1, 1}, {1, 1, 1, 1}, {1, 0.5f, 0, 1}};
 972
 973 extern cvar_t r_viewscale;
 974 extern float viewscalefpsadjusted;
 975 static void R_TimeReport_EndFrame(void)
 976 {
 977         int j, lines;
 978         cl_locnode_t *loc;
 979         char string[1024+4096];
 980         mleaf_t *viewleaf;
 981         static double oldtime = 0;
 982
 983         r_refdef.stats[r_stat_timedelta] = (int)((realtime - oldtime) * 1000000.0);
 984         oldtime = realtime;
 985         r_refdef.stats[r_stat_quality] = (int)(100 * r_refdef.view.quality);
 986
 987         string[0] = 0;
 988         if (r_speeds.integer)
 989         {
 990                 // put the location name in the r_speeds display as it greatly helps
 991                 // when creating loc files
 992                 loc = CL_Locs_FindNearest(cl.movement_origin);
 993                 viewleaf = (r_refdef.scene.worldmodel && r_refdef.scene.worldmodel->brush.PointInLeaf) ? r_refdef.scene.worldmodel->brush.PointInLeaf(r_refdef.scene.worldmodel, r_refdef.view.origin) : NULL;
 994                 dpsnprintf(string, sizeof(string),
 995 "%6ius time delta %s%s %.3f cl.time%2.4f brightness\n"
 996 "%3i renders org:'%+8.2f %+8.2f %+8.2f' dir:'%+2.3f %+2.3f %+2.3f'\n"
 997 "%5i viewleaf%5i cluster%3i area%4i brushes%4i surfaces(%7i triangles)\n"
 998 "%7i surfaces%7i triangles %5i entities (%7i surfaces%7i triangles)\n"
 999 "%5i leafs%5i portals%6i/%6i particles%6i/%6i decals %3i%% quality\n"
1000 "%7i lightmap updates (%7i pixels)%8i/%8i framedata\n"
1001 "%4i lights%4i clears%4i scissored%7i light%7i shadow%7i dynamic\n"
1002 "bouncegrid:%4i lights%6i particles%6i traces%6i hits%6i splats%6i bounces\n"
1003 "photon cache efficiency:%6i cached%6i traced%6ianimated\n"
1004 "%6i draws%8i vertices%8i triangles bloompixels%8i copied%8i drawn\n"
1005 "%3i rendertargets%8i pixels\n"
1006 "updated%5i indexbuffers%8i bytes%5i vertexbuffers%8i bytes\n"
1007 "animcache%5ib gpuskeletal%7i vertices (%7i with normals)\n"
1008 "fastbatch%5i count%5i surfaces%7i vertices %7i triangles\n"
1009 "copytris%5i count%5i surfaces%7i vertices %7i triangles\n"
1010 "dynamic%5i count%5i surfaces%7i vertices%7i triangles\n"
1011 "%s"
1012 , r_refdef.stats[r_stat_timedelta], loc ? "Location: " : "", loc ? loc->name : "", cl.time, r_refdef.view.colorscale
1013 , r_refdef.stats[r_stat_renders], r_refdef.view.origin[0], r_refdef.view.origin[1], r_refdef.view.origin[2], r_refdef.view.forward[0], r_refdef.view.forward[1], r_refdef.view.forward[2]
1014 , viewleaf ? (int)(viewleaf - r_refdef.scene.worldmodel->brush.data_leafs) : -1, viewleaf ? viewleaf->clusterindex : -1, viewleaf ? viewleaf->areaindex : -1, viewleaf ? viewleaf->numleafbrushes : 0, viewleaf ? viewleaf->numleafsurfaces : 0, viewleaf ? R_CountLeafTriangles(r_refdef.scene.worldmodel, viewleaf) : 0
1015 , r_refdef.stats[r_stat_world_surfaces], r_refdef.stats[r_stat_world_triangles], r_refdef.stats[r_stat_entities], r_refdef.stats[r_stat_entities_surfaces], r_refdef.stats[r_stat_entities_triangles]
1016 , r_refdef.stats[r_stat_world_leafs], r_refdef.stats[r_stat_world_portals], r_refdef.stats[r_stat_particles], cl.num_particles, r_refdef.stats[r_stat_drawndecals], r_refdef.stats[r_stat_totaldecals], r_refdef.stats[r_stat_quality]
1017 , r_refdef.stats[r_stat_lightmapupdates], r_refdef.stats[r_stat_lightmapupdatepixels], r_refdef.stats[r_stat_framedatacurrent], r_refdef.stats[r_stat_framedatasize]
1018 , r_refdef.stats[r_stat_lights], r_refdef.stats[r_stat_lights_clears], r_refdef.stats[r_stat_lights_scissored], r_refdef.stats[r_stat_lights_lighttriangles], r_refdef.stats[r_stat_lights_shadowtriangles], r_refdef.stats[r_stat_lights_dynamicshadowtriangles]
1019 , r_refdef.stats[r_stat_bouncegrid_lights], r_refdef.stats[r_stat_bouncegrid_particles], r_refdef.stats[r_stat_bouncegrid_traces], r_refdef.stats[r_stat_bouncegrid_hits], r_refdef.stats[r_stat_bouncegrid_splats], r_refdef.stats[r_stat_bouncegrid_bounces]
1020 , r_refdef.stats[r_stat_photoncache_cached], r_refdef.stats[r_stat_photoncache_traced], r_refdef.stats[r_stat_photoncache_animated]
1021 , r_refdef.stats[r_stat_draws], r_refdef.stats[r_stat_draws_vertices], r_refdef.stats[r_stat_draws_elements] / 3, r_refdef.stats[r_stat_bloom_copypixels], r_refdef.stats[r_stat_bloom_drawpixels]
1022 , r_refdef.stats[r_stat_rendertargets_used], r_refdef.stats[r_stat_rendertargets_pixels]
1023 , r_refdef.stats[r_stat_indexbufferuploadcount], r_refdef.stats[r_stat_indexbufferuploadsize], r_refdef.stats[r_stat_vertexbufferuploadcount], r_refdef.stats[r_stat_vertexbufferuploadsize]
1024 , r_refdef.stats[r_stat_animcache_skeletal_bones], r_refdef.stats[r_stat_animcache_shape_vertices], r_refdef.stats[r_stat_animcache_shade_vertices]
1025 , r_refdef.stats[r_stat_batch_fast_batches], r_refdef.stats[r_stat_batch_fast_surfaces], r_refdef.stats[r_stat_batch_fast_vertices], r_refdef.stats[r_stat_batch_fast_triangles]
1026 , r_refdef.stats[r_stat_batch_copytriangles_batches], r_refdef.stats[r_stat_batch_copytriangles_surfaces], r_refdef.stats[r_stat_batch_copytriangles_vertices], r_refdef.stats[r_stat_batch_copytriangles_triangles]
1027 , r_refdef.stats[r_stat_batch_dynamic_batches], r_refdef.stats[r_stat_batch_dynamic_surfaces], r_refdef.stats[r_stat_batch_dynamic_vertices], r_refdef.stats[r_stat_batch_dynamic_triangles]
1028 , r_speeds_timestring);
1029         }
1030
1031         speedstringcount = 0;
1032         r_speeds_timestring[0] = 0;
1033         r_timereport_active = false;
1034
1035         if (r_speeds.integer >= 2)
1036         {
1037                 r_timereport_active = true;
1038                 r_timereport_start = r_timereport_current = Sys_DirtyTime();
1039         }
1040
1041         if (string[0])
1042         {
1043                 int i, y;
1044                 if (string[strlen(string)-1] == '\n')
1045                         string[strlen(string)-1] = 0;
1046                 lines = 1;
1047                 for (i = 0;string[i];i++)
1048                         if (string[i] == '\n')
1049                                 lines++;
1050                 y = vid_conheight.integer - sb_lines - lines * 8;
1051                 i = j = 0;
1052                 r_draw2d_force = true;
1053                 DrawQ_Fill(0, y, vid_conwidth.integer, lines * 8, 0, 0, 0, 0.5, 0);
1054                 while (string[i])
1055                 {
1056                         j = i;
1057                         while (string[i] && string[i] != '\n')
1058                                 i++;
1059                         if (i - j > 0)
1060                                 DrawQ_String(0, y, string + j, i - j, 8, 8, 1, 1, 1, 1, 0, NULL, true, FONT_DEFAULT);
1061                         if (string[i] == '\n')
1062                                 i++;
1063                         y += 8;
1064                 }
1065                 r_draw2d_force = false;
1066         }
1067
1068         if (r_speeds_graph_length.integer != bound(4, r_speeds_graph_length.integer, 8192))
1069                 Cvar_SetValueQuick(&r_speeds_graph_length, bound(4, r_speeds_graph_length.integer, 8192));
1070         if (fabs(r_speeds_graph_seconds.value - bound(0.1f, r_speeds_graph_seconds.value, 120.0f)) > 0.01f)
1071                 Cvar_SetValueQuick(&r_speeds_graph_seconds, bound(0.1f, r_speeds_graph_seconds.value, 120.0f));
1072         if (r_speeds_graph.integer)
1073         {
1074                 // if we currently have no graph data, reset the graph data entirely
1075                 int i;
1076                 if (!cls.r_speeds_graph_data)
1077                         for (i = 0;i < r_stat_count;i++)
1078                                 cls.r_speeds_graph_datamin[i] = cls.r_speeds_graph_datamax[i] = 0;
1079                 if (cls.r_speeds_graph_length != r_speeds_graph_length.integer)
1080                 {
1081                         int stat, index, d, graph_length, *graph_data;
1082                         cls.r_speeds_graph_length = r_speeds_graph_length.integer;
1083                         cls.r_speeds_graph_current = 0;
1084                         if (cls.r_speeds_graph_data)
1085                                 Mem_Free(cls.r_speeds_graph_data);
1086                         cls.r_speeds_graph_data = (int *)Mem_Alloc(cls.permanentmempool, cls.r_speeds_graph_length * sizeof(r_refdef.stats));
1087                         // initialize the graph to have the current values throughout history
1088                         graph_data = cls.r_speeds_graph_data;
1089                         graph_length = cls.r_speeds_graph_length;
1090                         index = 0;
1091                         for (stat = 0;stat < r_stat_count;stat++)
1092                         {
1093                                 d = r_refdef.stats[stat];
1094                                 if (stat == r_stat_timedelta)
1095                                         d = 0;
1096                                 for (i = 0;i < graph_length;i++)
1097                                         graph_data[index++] = d;
1098                         }
1099                 }
1100         }
1101         else
1102         {
1103                 if (cls.r_speeds_graph_length)
1104                 {
1105                         cls.r_speeds_graph_length = 0;
1106                         Mem_Free(cls.r_speeds_graph_data);
1107                         cls.r_speeds_graph_data = NULL;
1108                         cls.r_speeds_graph_current = 0;
1109                 }
1110         }
1111
1112         if (cls.r_speeds_graph_length)
1113         {
1114                 char legend[128];
1115                 int i;
1116                 const int *data;
1117                 float x, y, width, height, scalex, scaley;
1118                 int range_default = max(r_speeds_graph_maxdefault.integer, 1);
1119                 int color, stat, stats, index, range_min, range_max;
1120                 int graph_current, graph_length, *graph_data;
1121                 int statindex[R_SPEEDS_GRAPH_COLORS];
1122                 int sum;
1123
1124                 // add current stats to the graph_data
1125                 cls.r_speeds_graph_current++;
1126                 if (cls.r_speeds_graph_current >= cls.r_speeds_graph_length)
1127                         cls.r_speeds_graph_current = 0;
1128                 // poke each new stat into the current offset of its graph
1129                 graph_data = cls.r_speeds_graph_data;
1130                 graph_current = cls.r_speeds_graph_current;
1131                 graph_length = cls.r_speeds_graph_length;
1132                 for (stat = 0;stat < r_stat_count;stat++)
1133                         graph_data[stat * graph_length + graph_current] = r_refdef.stats[stat];
1134
1135                 // update the graph ranges
1136                 for (stat = 0;stat < r_stat_count;stat++)
1137                 {
1138                         if (cls.r_speeds_graph_datamin[stat] > r_refdef.stats[stat])
1139                                 cls.r_speeds_graph_datamin[stat] = r_refdef.stats[stat];
1140                         if (cls.r_speeds_graph_datamax[stat] < r_refdef.stats[stat])
1141                                 cls.r_speeds_graph_datamax[stat] = r_refdef.stats[stat];
1142                 }
1143
1144                 // force 2D drawing to occur even if r_render is 0
1145                 r_draw2d_force = true;
1146
1147                 // position the graph
1148                 width = r_speeds_graph_width.value;
1149                 height = r_speeds_graph_height.value;
1150                 x = bound(0, r_speeds_graph_x.value, vid_conwidth.value - width);
1151                 y = bound(0, r_speeds_graph_y.value, vid_conheight.value - height);
1152
1153                 // fill background with a pattern of gray and black at one second intervals
1154                 scalex = (float)width / (float)r_speeds_graph_seconds.value;
1155                 for (i = 0;i < r_speeds_graph_seconds.integer + 1;i++)
1156                 {
1157                         float x1 = x + width - (i + 1) * scalex;
1158                         float x2 = x + width - i * scalex;
1159                         if (x1 < x)
1160                                 x1 = x;
1161                         if (i & 1)
1162                                 DrawQ_Fill(x1, y, x2 - x1, height, 0.0f, 0.0f, 0.0f, 0.5f, 0);
1163                         else
1164                                 DrawQ_Fill(x1, y, x2 - x1, height, 0.2f, 0.2f, 0.2f, 0.5f, 0);
1165                 }
1166
1167                 // count how many stats match our pattern
1168                 stats = 0;
1169                 color = 0;
1170                 for (color = 0;color < R_SPEEDS_GRAPH_COLORS;color++)
1171                 {
1172                         // look at all stat names and find ones matching the filter
1173                         statindex[color] = -1;
1174                         if (!r_speeds_graph_filter[color].string)
1175                                 continue;
1176                         for (stat = 0;stat < r_stat_count;stat++)
1177                                 if (!strcmp(r_stat_name[stat], r_speeds_graph_filter[color].string))
1178                                         break;
1179                         if (stat >= r_stat_count)
1180                                 continue;
1181                         // record that this color is this stat for the line drawing loop
1182                         statindex[color] = stat;
1183                         // draw the legend text in the background of the graph
1184                         dpsnprintf(legend, sizeof(legend), "%10i :%s", graph_data[stat * graph_length + graph_current], r_stat_name[stat]);
1185                         DrawQ_String(x, y + stats * 8, legend, 0, 8, 8, r_speeds_graph_colors[color][0], r_speeds_graph_colors[color][1], r_speeds_graph_colors[color][2], r_speeds_graph_colors[color][3] * 1.00f, 0, NULL, true, FONT_DEFAULT);
1186                         // count how many stats we need to graph in vertex buffer
1187                         stats++;
1188                 }
1189
1190                 if (stats)
1191                 {
1192                         // legend text is drawn after the graphs
1193                         // render the graph lines, we'll go back and render the legend text later
1194                         scalex = (float)width / (1000000.0 * r_speeds_graph_seconds.value);
1195                         stats = 0;
1196                         for (color = 0;color < R_SPEEDS_GRAPH_COLORS;color++)
1197                         {
1198                                 // look at all stat names and find ones matching the filter
1199                                 stat = statindex[color];
1200                                 if (stat < 0)
1201                                         continue;
1202                                 // prefer to graph stats with 0 base, but if they are
1203                                 // negative we have no choice
1204                                 range_min = cls.r_speeds_graph_datamin[stat];
1205                                 range_max = max(cls.r_speeds_graph_datamax[stat], range_min + range_default);
1206                                 // some stats we specifically override the graph scale on
1207                                 if (stat == r_stat_timedelta)
1208                                         range_max = r_speeds_graph_maxtimedelta.integer;
1209                                 scaley = height / (range_max - range_min);
1210                                 // generate lines (2 vertices each)
1211                                 // to deal with incomplete data we walk right to left
1212                                 data = graph_data + stat * graph_length;
1213                                 index = graph_current;
1214                                 sum = 0;
1215                                 for (i = 0;i < graph_length - 1;)
1216                                 {
1217                                         float x1, y1, x2, y2;
1218                                         x1 = max(x, x + width - sum * scalex);
1219                                         y1 = y + height - (data[index] - range_min) * scaley;
1220                                         sum += graph_data[r_stat_timedelta * graph_length + index];
1221                                         index--;
1222                                         if (index < 0)
1223                                                 index = graph_length - 1;
1224                                         i++;
1225                                         x2 = max(x, x + width - sum * scalex);
1226                                         y2 = y + height - (data[index] - range_min) * scaley;
1227                                         DrawQ_Line(1, x1, y1, x2, y2, r_speeds_graph_colors[color][0], r_speeds_graph_colors[color][1], r_speeds_graph_colors[color][2], r_speeds_graph_colors[color][3], 0);
1228                                 }
1229                         }
1230                 }
1231
1232                 // return to not drawing anything if r_render is 0
1233                 r_draw2d_force = false;
1234         }
1235
1236         memset(&r_refdef.stats, 0, sizeof(r_refdef.stats));
1237 }
1238
1239 /*
1240 =================
1241 SCR_SizeUp_f
1242
1243 Keybinding command
1244 =================
1245 */
1246 static void SCR_SizeUp_f(cmd_state_t *cmd)
1247 {
1248         Cvar_SetValueQuick(&scr_viewsize, scr_viewsize.value + 10);
1249 }
1250
1251
1252 /*
1253 =================
1254 SCR_SizeDown_f
1255
1256 Keybinding command
1257 =================
1258 */
1259 static void SCR_SizeDown_f(cmd_state_t *cmd)
1260 {
1261         Cvar_SetValueQuick(&scr_viewsize, scr_viewsize.value - 10);
1262 }
1263
1264 #ifdef CONFIG_VIDEO_CAPTURE
1265 void SCR_CaptureVideo_EndVideo(void);
1266 #endif
1267 void CL_Screen_Shutdown(void)
1268 {
1269 #ifdef CONFIG_VIDEO_CAPTURE
1270         SCR_CaptureVideo_EndVideo();
1271 #endif
1272 }
1273
1274 void CL_Screen_Init(void)
1275 {
1276         int i;
1277         Cvar_RegisterVariable (&scr_fov);
1278         Cvar_RegisterVariable (&scr_viewsize);
1279         Cvar_RegisterVariable (&scr_conalpha);
1280         Cvar_RegisterVariable (&scr_conalphafactor);
1281         Cvar_RegisterVariable (&scr_conalpha2factor);
1282         Cvar_RegisterVariable (&scr_conalpha3factor);
1283         Cvar_RegisterVariable (&scr_conscroll_x);
1284         Cvar_RegisterVariable (&scr_conscroll_y);
1285         Cvar_RegisterVariable (&scr_conscroll2_x);
1286         Cvar_RegisterVariable (&scr_conscroll2_y);
1287         Cvar_RegisterVariable (&scr_conscroll3_x);
1288         Cvar_RegisterVariable (&scr_conscroll3_y);
1289         Cvar_RegisterVariable (&scr_conbrightness);
1290         Cvar_RegisterVariable (&scr_conforcewhiledisconnected);
1291 #ifdef CONFIG_MENU
1292         Cvar_RegisterVariable (&scr_menuforcewhiledisconnected);
1293 #endif
1294         Cvar_RegisterVariable (&scr_loadingscreen_background);
1295         Cvar_RegisterVariable (&scr_loadingscreen_scale);
1296         Cvar_RegisterVariable (&scr_loadingscreen_scale_base);
1297         Cvar_RegisterVariable (&scr_loadingscreen_scale_limit);
1298         Cvar_RegisterVariable (&scr_loadingscreen_picture);
1299         Cvar_RegisterVariable (&scr_loadingscreen_count);
1300         Cvar_RegisterVariable (&scr_loadingscreen_firstforstartup);
1301         Cvar_RegisterVariable (&scr_loadingscreen_barcolor);
1302         Cvar_RegisterVariable (&scr_loadingscreen_barheight);
1303         Cvar_RegisterVariable (&scr_loadingscreen_maxfps);
1304         Cvar_RegisterVariable (&scr_infobar_height);
1305         Cvar_RegisterVariable (&scr_showram);
1306         Cvar_RegisterVariable (&scr_showturtle);
1307         Cvar_RegisterVariable (&scr_showpause);
1308         Cvar_RegisterVariable (&scr_showbrand);
1309         Cvar_RegisterVariable (&scr_centertime);
1310         Cvar_RegisterVariable (&scr_printspeed);
1311         Cvar_RegisterVariable (&vid_conwidth);
1312         Cvar_RegisterVariable (&vid_conheight);
1313         Cvar_RegisterVariable (&vid_pixelheight);
1314         Cvar_RegisterVariable (&vid_conwidthauto);
1315         Cvar_RegisterVariable (&scr_screenshot_jpeg);
1316         Cvar_RegisterVariable (&scr_screenshot_jpeg_quality);
1317         Cvar_RegisterVariable (&scr_screenshot_png);
1318         Cvar_RegisterVariable (&scr_screenshot_gammaboost);
1319         Cvar_RegisterVariable (&scr_screenshot_name_in_mapdir);
1320         Cvar_RegisterVariable (&scr_screenshot_alpha);
1321         Cvar_RegisterVariable (&scr_screenshot_timestamp);
1322 #ifdef CONFIG_VIDEO_CAPTURE
1323         Cvar_RegisterVariable (&cl_capturevideo);
1324         Cvar_RegisterVariable (&cl_capturevideo_demo_stop);
1325         Cvar_RegisterVariable (&cl_capturevideo_printfps);
1326         Cvar_RegisterVariable (&cl_capturevideo_width);
1327         Cvar_RegisterVariable (&cl_capturevideo_height);
1328         Cvar_RegisterVariable (&cl_capturevideo_realtime);
1329         Cvar_RegisterVariable (&cl_capturevideo_fps);
1330         Cvar_RegisterVariable (&cl_capturevideo_nameformat);
1331         Cvar_RegisterVariable (&cl_capturevideo_number);
1332         Cvar_RegisterVariable (&cl_capturevideo_ogg);
1333         Cvar_RegisterVariable (&cl_capturevideo_framestep);
1334 #endif
1335         Cvar_RegisterVariable (&r_letterbox);
1336         Cvar_RegisterVariable(&r_stereo_separation);
1337         Cvar_RegisterVariable(&r_stereo_sidebyside);
1338         Cvar_RegisterVariable(&r_stereo_horizontal);
1339         Cvar_RegisterVariable(&r_stereo_vertical);
1340         Cvar_RegisterVariable(&r_stereo_redblue);
1341         Cvar_RegisterVariable(&r_stereo_redcyan);
1342         Cvar_RegisterVariable(&r_stereo_redgreen);
1343         Cvar_RegisterVariable(&r_stereo_angle);
1344         Cvar_RegisterVariable(&scr_stipple);
1345         Cvar_RegisterVariable(&scr_refresh);
1346         Cvar_RegisterVariable(&shownetgraph);
1347         Cvar_RegisterVariable(&cl_demo_mousegrab);
1348         Cvar_RegisterVariable(&timedemo_screenshotframelist);
1349         Cvar_RegisterVariable(&vid_touchscreen_outlinealpha);
1350         Cvar_RegisterVariable(&vid_touchscreen_overlayalpha);
1351         Cvar_RegisterVariable(&r_speeds_graph);
1352         for (i = 0;i < (int)(sizeof(r_speeds_graph_filter)/sizeof(r_speeds_graph_filter[0]));i++)
1353                 Cvar_RegisterVariable(&r_speeds_graph_filter[i]);
1354         Cvar_RegisterVariable(&r_speeds_graph_length);
1355         Cvar_RegisterVariable(&r_speeds_graph_seconds);
1356         Cvar_RegisterVariable(&r_speeds_graph_x);
1357         Cvar_RegisterVariable(&r_speeds_graph_y);
1358         Cvar_RegisterVariable(&r_speeds_graph_width);
1359         Cvar_RegisterVariable(&r_speeds_graph_height);
1360         Cvar_RegisterVariable(&r_speeds_graph_maxtimedelta);
1361         Cvar_RegisterVariable(&r_speeds_graph_maxdefault);
1362
1363         // if we want no console, turn it off here too
1364         if (COM_CheckParm ("-noconsole"))
1365                 Cvar_SetQuick(&scr_conforcewhiledisconnected, "0");
1366
1367         Cmd_AddCommand(&cmd_client, "sizeup",SCR_SizeUp_f, "increase view size (increases viewsize cvar)");
1368         Cmd_AddCommand(&cmd_client, "sizedown",SCR_SizeDown_f, "decrease view size (decreases viewsize cvar)");
1369         Cmd_AddCommand(&cmd_client, "screenshot",SCR_ScreenShot_f, "takes a screenshot of the next rendered frame");
1370         Cmd_AddCommand(&cmd_client, "envmap", R_Envmap_f, "render a cubemap (skybox) of the current scene");
1371         Cmd_AddCommand(&cmd_client, "infobar", SCR_InfoBar_f, "display a text in the infobar (usage: infobar expiretime string)");
1372
1373 #ifdef CONFIG_VIDEO_CAPTURE
1374         SCR_CaptureVideo_Ogg_Init();
1375 #endif
1376
1377         scr_initialized = true;
1378 }
1379
1380 /*
1381 ==================
1382 SCR_ScreenShot_f
1383 ==================
1384 */
1385 void SCR_ScreenShot_f(cmd_state_t *cmd)
1386 {
1387         static int shotnumber;
1388         static char old_prefix_name[MAX_QPATH];
1389         char prefix_name[MAX_QPATH];
1390         char filename[MAX_QPATH];
1391         unsigned char *buffer1;
1392         unsigned char *buffer2;
1393         qboolean jpeg = (scr_screenshot_jpeg.integer != 0);
1394         qboolean png = (scr_screenshot_png.integer != 0) && !jpeg;
1395         char vabuf[1024];
1396
1397         if (Cmd_Argc(cmd) == 2)
1398         {
1399                 const char *ext;
1400                 strlcpy(filename, Cmd_Argv(cmd, 1), sizeof(filename));
1401                 ext = FS_FileExtension(filename);
1402                 if (!strcasecmp(ext, "jpg"))
1403                 {
1404                         jpeg = true;
1405                         png = false;
1406                 }
1407                 else if (!strcasecmp(ext, "tga"))
1408                 {
1409                         jpeg = false;
1410                         png = false;
1411                 }
1412                 else if (!strcasecmp(ext, "png"))
1413                 {
1414                         jpeg = false;
1415                         png = true;
1416                 }
1417                 else
1418                 {
1419                         Con_Printf("screenshot: supplied filename must end in .jpg or .tga or .png\n");
1420                         return;
1421                 }
1422         }
1423         else if (scr_screenshot_timestamp.integer)
1424         {
1425                 int shotnumber100;
1426
1427                 // TODO maybe make capturevideo and screenshot use similar name patterns?
1428                 if (scr_screenshot_name_in_mapdir.integer && cl.worldbasename[0])
1429                         dpsnprintf(prefix_name, sizeof(prefix_name), "%s/%s%s", cl.worldbasename, scr_screenshot_name.string, Sys_TimeString("%Y%m%d%H%M%S"));
1430                 else
1431                         dpsnprintf(prefix_name, sizeof(prefix_name), "%s%s", scr_screenshot_name.string, Sys_TimeString("%Y%m%d%H%M%S"));
1432
1433                 // find a file name to save it to
1434                 for (shotnumber100 = 0;shotnumber100 < 100;shotnumber100++)
1435                         if (!FS_SysFileExists(va(vabuf, sizeof(vabuf), "%s/screenshots/%s-%02d.tga", fs_gamedir, prefix_name, shotnumber100))
1436                          && !FS_SysFileExists(va(vabuf, sizeof(vabuf), "%s/screenshots/%s-%02d.jpg", fs_gamedir, prefix_name, shotnumber100))
1437                          && !FS_SysFileExists(va(vabuf, sizeof(vabuf), "%s/screenshots/%s-%02d.png", fs_gamedir, prefix_name, shotnumber100)))
1438                                 break;
1439                 if (shotnumber100 >= 100)
1440                 {
1441                         Con_Print("Couldn't create the image file - already 100 shots taken this second!\n");
1442                         return;
1443                 }
1444
1445                 dpsnprintf(filename, sizeof(filename), "screenshots/%s-%02d.%s", prefix_name, shotnumber100, jpeg ? "jpg" : png ? "png" : "tga");
1446         }
1447         else
1448         {
1449                 // TODO maybe make capturevideo and screenshot use similar name patterns?
1450                 if (scr_screenshot_name_in_mapdir.integer && cl.worldbasename[0])
1451                         dpsnprintf(prefix_name, sizeof(prefix_name), "%s/%s", cl.worldbasename, Sys_TimeString(scr_screenshot_name.string));
1452                 else
1453                         dpsnprintf(prefix_name, sizeof(prefix_name), "%s", Sys_TimeString(scr_screenshot_name.string));
1454
1455                 // if prefix changed, gamedir or map changed, reset the shotnumber so
1456                 // we scan again
1457                 // FIXME: should probably do this whenever FS_Rescan or something like that occurs?
1458                 if (strcmp(old_prefix_name, prefix_name))
1459                 {
1460                         dpsnprintf(old_prefix_name, sizeof(old_prefix_name), "%s", prefix_name );
1461                         shotnumber = 0;
1462                 }
1463
1464                 // find a file name to save it to
1465                 for (;shotnumber < 1000000;shotnumber++)
1466                         if (!FS_SysFileExists(va(vabuf, sizeof(vabuf), "%s/screenshots/%s%06d.tga", fs_gamedir, prefix_name, shotnumber))
1467                          && !FS_SysFileExists(va(vabuf, sizeof(vabuf), "%s/screenshots/%s%06d.jpg", fs_gamedir, prefix_name, shotnumber))
1468                          && !FS_SysFileExists(va(vabuf, sizeof(vabuf), "%s/screenshots/%s%06d.png", fs_gamedir, prefix_name, shotnumber)))
1469                                 break;
1470                 if (shotnumber >= 1000000)
1471                 {
1472                         Con_Print("Couldn't create the image file - you already have 1000000 screenshots!\n");
1473                         return;
1474                 }
1475
1476                 dpsnprintf(filename, sizeof(filename), "screenshots/%s%06d.%s", prefix_name, shotnumber, jpeg ? "jpg" : png ? "png" : "tga");
1477
1478                 shotnumber++;
1479         }
1480
1481         buffer1 = (unsigned char *)Mem_Alloc(tempmempool, vid.width * vid.height * 4);
1482         buffer2 = (unsigned char *)Mem_Alloc(tempmempool, vid.width * vid.height * (scr_screenshot_alpha.integer ? 4 : 3));
1483
1484         if (SCR_ScreenShot (filename, buffer1, buffer2, 0, 0, vid.width, vid.height, false, false, false, jpeg, png, true, scr_screenshot_alpha.integer != 0))
1485                 Con_Printf("Wrote %s\n", filename);
1486         else
1487         {
1488                 Con_Printf("Unable to write %s\n", filename);
1489                 if(jpeg || png)
1490                 {
1491                         if(SCR_ScreenShot (filename, buffer1, buffer2, 0, 0, vid.width, vid.height, false, false, false, false, false, true, scr_screenshot_alpha.integer != 0))
1492                         {
1493                                 strlcpy(filename + strlen(filename) - 3, "tga", 4);
1494                                 Con_Printf("Wrote %s\n", filename);
1495                         }
1496                 }
1497         }
1498
1499         Mem_Free (buffer1);
1500         Mem_Free (buffer2);
1501 }
1502
1503 #ifdef CONFIG_VIDEO_CAPTURE
1504 static void SCR_CaptureVideo_BeginVideo(void)
1505 {
1506         double r, g, b;
1507         unsigned int i;
1508         int width = cl_capturevideo_width.integer, height = cl_capturevideo_height.integer;
1509         if (cls.capturevideo.active)
1510                 return;
1511         memset(&cls.capturevideo, 0, sizeof(cls.capturevideo));
1512         // soundrate is figured out on the first SoundFrame
1513
1514         if(width == 0 && height != 0)
1515                 width = (int) (height * (double)vid.width / ((double)vid.height * vid_pixelheight.value)); // keep aspect
1516         if(width != 0 && height == 0)
1517                 height = (int) (width * ((double)vid.height * vid_pixelheight.value) / (double)vid.width); // keep aspect
1518
1519         if(width < 2 || width > vid.width) // can't scale up
1520                 width = vid.width;
1521         if(height < 2 || height > vid.height) // can't scale up
1522                 height = vid.height;
1523
1524         // ensure it's all even; if not, scale down a little
1525         if(width % 1)
1526                 --width;
1527         if(height % 1)
1528                 --height;
1529
1530         cls.capturevideo.width = width;
1531         cls.capturevideo.height = height;
1532         cls.capturevideo.active = true;
1533         cls.capturevideo.framerate = bound(1, cl_capturevideo_fps.value, 1001) * bound(1, cl_capturevideo_framestep.integer, 64);
1534         cls.capturevideo.framestep = cl_capturevideo_framestep.integer;
1535         cls.capturevideo.soundrate = S_GetSoundRate();
1536         cls.capturevideo.soundchannels = S_GetSoundChannels();
1537         cls.capturevideo.startrealtime = realtime;
1538         cls.capturevideo.frame = cls.capturevideo.lastfpsframe = 0;
1539         cls.capturevideo.starttime = cls.capturevideo.lastfpstime = realtime;
1540         cls.capturevideo.soundsampleframe = 0;
1541         cls.capturevideo.realtime = cl_capturevideo_realtime.integer != 0;
1542         cls.capturevideo.screenbuffer = (unsigned char *)Mem_Alloc(tempmempool, vid.width * vid.height * 4);
1543         cls.capturevideo.outbuffer = (unsigned char *)Mem_Alloc(tempmempool, width * height * (4+4) + 18);
1544         dpsnprintf(cls.capturevideo.basename, sizeof(cls.capturevideo.basename), "video/%s%03i", Sys_TimeString(cl_capturevideo_nameformat.string), cl_capturevideo_number.integer);
1545         Cvar_SetValueQuick(&cl_capturevideo_number, cl_capturevideo_number.integer + 1);
1546
1547         /*
1548         for (i = 0;i < 256;i++)
1549         {
1550                 unsigned char j = (unsigned char)bound(0, 255*pow(i/255.0, gamma), 255);
1551                 cls.capturevideo.rgbgammatable[0][i] = j;
1552                 cls.capturevideo.rgbgammatable[1][i] = j;
1553                 cls.capturevideo.rgbgammatable[2][i] = j;
1554         }
1555         */
1556 /*
1557 R = Y + 1.4075 * (Cr - 128);
1558 G = Y + -0.3455 * (Cb - 128) + -0.7169 * (Cr - 128);
1559 B = Y + 1.7790 * (Cb - 128);
1560 Y = R *  .299 + G *  .587 + B *  .114;
1561 Cb = R * -.169 + G * -.332 + B *  .500 + 128.;
1562 Cr = R *  .500 + G * -.419 + B * -.0813 + 128.;
1563 */
1564
1565         // identity gamma table
1566         BuildGammaTable16(1.0f, 1.0f, 1.0f, 0.0f, 1.0f, cls.capturevideo.vidramp, 256);
1567         BuildGammaTable16(1.0f, 1.0f, 1.0f, 0.0f, 1.0f, cls.capturevideo.vidramp + 256, 256);
1568         BuildGammaTable16(1.0f, 1.0f, 1.0f, 0.0f, 1.0f, cls.capturevideo.vidramp + 256*2, 256);
1569         if(scr_screenshot_gammaboost.value != 1)
1570         {
1571                 double igamma = 1 / scr_screenshot_gammaboost.value;
1572                 for (i = 0;i < 256 * 3;i++)
1573                         cls.capturevideo.vidramp[i] = (unsigned short) (0.5 + pow(cls.capturevideo.vidramp[i] * (1.0 / 65535.0), igamma) * 65535.0);
1574         }
1575
1576         for (i = 0;i < 256;i++)
1577         {
1578                 r = 255*cls.capturevideo.vidramp[i]/65535.0;
1579                 g = 255*cls.capturevideo.vidramp[i+256]/65535.0;
1580                 b = 255*cls.capturevideo.vidramp[i+512]/65535.0;
1581                 // NOTE: we have to round DOWN here, or integer overflows happen. Sorry for slightly wrong looking colors sometimes...
1582                 // Y weights from RGB
1583                 cls.capturevideo.rgbtoyuvscaletable[0][0][i] = (short)(r *  0.299);
1584                 cls.capturevideo.rgbtoyuvscaletable[0][1][i] = (short)(g *  0.587);
1585                 cls.capturevideo.rgbtoyuvscaletable[0][2][i] = (short)(b *  0.114);
1586                 // Cb weights from RGB
1587                 cls.capturevideo.rgbtoyuvscaletable[1][0][i] = (short)(r * -0.169);
1588                 cls.capturevideo.rgbtoyuvscaletable[1][1][i] = (short)(g * -0.332);
1589                 cls.capturevideo.rgbtoyuvscaletable[1][2][i] = (short)(b *  0.500);
1590                 // Cr weights from RGB
1591                 cls.capturevideo.rgbtoyuvscaletable[2][0][i] = (short)(r *  0.500);
1592                 cls.capturevideo.rgbtoyuvscaletable[2][1][i] = (short)(g * -0.419);
1593                 cls.capturevideo.rgbtoyuvscaletable[2][2][i] = (short)(b * -0.0813);
1594                 // range reduction of YCbCr to valid signal range
1595                 cls.capturevideo.yuvnormalizetable[0][i] = 16 + i * (236-16) / 256;
1596                 cls.capturevideo.yuvnormalizetable[1][i] = 16 + i * (240-16) / 256;
1597                 cls.capturevideo.yuvnormalizetable[2][i] = 16 + i * (240-16) / 256;
1598         }
1599
1600         if (cl_capturevideo_ogg.integer)
1601         {
1602                 if(SCR_CaptureVideo_Ogg_Available())
1603                 {
1604                         SCR_CaptureVideo_Ogg_BeginVideo();
1605                         return;
1606                 }
1607                 else
1608                         Con_Print("cl_capturevideo_ogg: libraries not available. Capturing in AVI instead.\n");
1609         }
1610
1611         SCR_CaptureVideo_Avi_BeginVideo();
1612 }
1613
1614 void SCR_CaptureVideo_EndVideo(void)
1615 {
1616         if (!cls.capturevideo.active)
1617                 return;
1618         cls.capturevideo.active = false;
1619
1620         Con_Printf("Finishing capture of %s.%s (%d frames, %d audio frames)\n", cls.capturevideo.basename, cls.capturevideo.formatextension, cls.capturevideo.frame, cls.capturevideo.soundsampleframe);
1621
1622         if (cls.capturevideo.videofile)
1623         {
1624                 cls.capturevideo.endvideo();
1625         }
1626
1627         if (cls.capturevideo.screenbuffer)
1628         {
1629                 Mem_Free (cls.capturevideo.screenbuffer);
1630                 cls.capturevideo.screenbuffer = NULL;
1631         }
1632
1633         if (cls.capturevideo.outbuffer)
1634         {
1635                 Mem_Free (cls.capturevideo.outbuffer);
1636                 cls.capturevideo.outbuffer = NULL;
1637         }
1638
1639         memset(&cls.capturevideo, 0, sizeof(cls.capturevideo));
1640 }
1641
1642 static void SCR_ScaleDownBGRA(unsigned char *in, int inw, int inh, unsigned char *out, int outw, int outh)
1643 {
1644         // TODO optimize this function
1645
1646         int x, y;
1647         float area;
1648
1649         // memcpy is faster than me
1650         if(inw == outw && inh == outh)
1651         {
1652                 memcpy(out, in, 4 * inw * inh);
1653                 return;
1654         }
1655
1656         // otherwise: a box filter
1657         area = (float)outw * (float)outh / (float)inw / (float)inh;
1658         for(y = 0; y < outh; ++y)
1659         {
1660                 float iny0 =  y    / (float)outh * inh; int iny0_i = (int) floor(iny0);
1661                 float iny1 = (y+1) / (float)outh * inh; int iny1_i = (int) ceil(iny1);
1662                 for(x = 0; x < outw; ++x)
1663                 {
1664                         float inx0 =  x    / (float)outw * inw; int inx0_i = (int) floor(inx0);
1665                         float inx1 = (x+1) / (float)outw * inw; int inx1_i = (int) ceil(inx1);
1666                         float r = 0, g = 0, b = 0, alpha = 0;
1667                         int xx, yy;
1668
1669                         for(yy = iny0_i; yy < iny1_i; ++yy)
1670                         {
1671                                 float ya = min(yy+1, iny1) - max(iny0, yy);
1672                                 for(xx = inx0_i; xx < inx1_i; ++xx)
1673                                 {
1674                                         float a = ya * (min(xx+1, inx1) - max(inx0, xx));
1675                                         r += a * in[4*(xx + inw * yy)+0];
1676                                         g += a * in[4*(xx + inw * yy)+1];
1677                                         b += a * in[4*(xx + inw * yy)+2];
1678                                         alpha += a * in[4*(xx + inw * yy)+3];
1679                                 }
1680                         }
1681
1682                         out[4*(x + outw * y)+0] = (unsigned char) (r * area);
1683                         out[4*(x + outw * y)+1] = (unsigned char) (g * area);
1684                         out[4*(x + outw * y)+2] = (unsigned char) (b * area);
1685                         out[4*(x + outw * y)+3] = (unsigned char) (alpha * area);
1686                 }
1687         }
1688 }
1689
1690 static void SCR_CaptureVideo_VideoFrame(int newframestepframenum)
1691 {
1692         int x = 0, y = 0;
1693         int width = cls.capturevideo.width, height = cls.capturevideo.height;
1694
1695         if(newframestepframenum == cls.capturevideo.framestepframe)
1696                 return;
1697
1698         CHECKGLERROR
1699         // speed is critical here, so do saving as directly as possible
1700
1701         GL_ReadPixelsBGRA(x, y, vid.width, vid.height, cls.capturevideo.screenbuffer);
1702
1703         SCR_ScaleDownBGRA (cls.capturevideo.screenbuffer, vid.width, vid.height, cls.capturevideo.outbuffer, width, height);
1704
1705         cls.capturevideo.videoframes(newframestepframenum - cls.capturevideo.framestepframe);
1706         cls.capturevideo.framestepframe = newframestepframenum;
1707
1708         if(cl_capturevideo_printfps.integer)
1709         {
1710                 char buf[80];
1711                 double t = realtime;
1712                 if(t > cls.capturevideo.lastfpstime + 1)
1713                 {
1714                         double fps1 = (cls.capturevideo.frame - cls.capturevideo.lastfpsframe) / (t - cls.capturevideo.lastfpstime + 0.0000001);
1715                         double fps  = (cls.capturevideo.frame                                ) / (t - cls.capturevideo.starttime   + 0.0000001);
1716                         dpsnprintf(buf, sizeof(buf), "capturevideo: (%.1fs) last second %.3ffps, total %.3ffps\n", cls.capturevideo.frame / cls.capturevideo.framerate, fps1, fps);
1717                         Sys_PrintToTerminal(buf);
1718                         cls.capturevideo.lastfpstime = t;
1719                         cls.capturevideo.lastfpsframe = cls.capturevideo.frame;
1720                 }
1721         }
1722 }
1723
1724 void SCR_CaptureVideo_SoundFrame(const portable_sampleframe_t *paintbuffer, size_t length)
1725 {
1726         cls.capturevideo.soundsampleframe += (int)length;
1727         cls.capturevideo.soundframe(paintbuffer, length);
1728 }
1729
1730 static void SCR_CaptureVideo(void)
1731 {
1732         int newframenum;
1733         if (cl_capturevideo.integer)
1734         {
1735                 if (!cls.capturevideo.active)
1736                         SCR_CaptureVideo_BeginVideo();
1737                 if (cls.capturevideo.framerate != cl_capturevideo_fps.value * cl_capturevideo_framestep.integer)
1738                 {
1739                         Con_Printf("You can not change the video framerate while recording a video.\n");
1740                         Cvar_SetValueQuick(&cl_capturevideo_fps, cls.capturevideo.framerate / (double) cl_capturevideo_framestep.integer);
1741                 }
1742                 // for AVI saving we have to make sure that sound is saved before video
1743                 if (cls.capturevideo.soundrate && !cls.capturevideo.soundsampleframe)
1744                         return;
1745                 if (cls.capturevideo.realtime)
1746                 {
1747                         // preserve sound sync by duplicating frames when running slow
1748                         newframenum = (int)((realtime - cls.capturevideo.startrealtime) * cls.capturevideo.framerate);
1749                 }
1750                 else
1751                         newframenum = cls.capturevideo.frame + 1;
1752                 // if falling behind more than one second, stop
1753                 if (newframenum - cls.capturevideo.frame > 60 * (int)ceil(cls.capturevideo.framerate))
1754                 {
1755                         Cvar_SetValueQuick(&cl_capturevideo, 0);
1756                         Con_Printf("video saving failed on frame %i, your machine is too slow for this capture speed.\n", cls.capturevideo.frame);
1757                         SCR_CaptureVideo_EndVideo();
1758                         return;
1759                 }
1760                 // write frames
1761                 SCR_CaptureVideo_VideoFrame(newframenum / cls.capturevideo.framestep);
1762                 cls.capturevideo.frame = newframenum;
1763                 if (cls.capturevideo.error)
1764                 {
1765                         Cvar_SetValueQuick(&cl_capturevideo, 0);
1766                         Con_Printf("video saving failed on frame %i, out of disk space? stopping video capture.\n", cls.capturevideo.frame);
1767                         SCR_CaptureVideo_EndVideo();
1768                 }
1769         }
1770         else if (cls.capturevideo.active)
1771                 SCR_CaptureVideo_EndVideo();
1772 }
1773 #endif
1774
1775 /*
1776 ===============
1777 R_Envmap_f
1778
1779 Grab six views for environment mapping tests
1780 ===============
1781 */
1782 struct envmapinfo_s
1783 {
1784         float angles[3];
1785         const char *name;
1786         qboolean flipx, flipy, flipdiagonaly;
1787 }
1788 envmapinfo[12] =
1789 {
1790         {{  0,   0, 0}, "rt", false, false, false},
1791         {{  0, 270, 0}, "ft", false, false, false},
1792         {{  0, 180, 0}, "lf", false, false, false},
1793         {{  0,  90, 0}, "bk", false, false, false},
1794         {{-90, 180, 0}, "up",  true,  true, false},
1795         {{ 90, 180, 0}, "dn",  true,  true, false},
1796
1797         {{  0,   0, 0}, "px",  true,  true,  true},
1798         {{  0,  90, 0}, "py", false,  true, false},
1799         {{  0, 180, 0}, "nx", false, false,  true},
1800         {{  0, 270, 0}, "ny",  true, false, false},
1801         {{-90, 180, 0}, "pz", false, false,  true},
1802         {{ 90, 180, 0}, "nz", false, false,  true}
1803 };
1804
1805 static void R_Envmap_f(cmd_state_t *cmd)
1806 {
1807         int j, size;
1808         char filename[MAX_QPATH], basename[MAX_QPATH];
1809         unsigned char *buffer1;
1810         unsigned char *buffer2;
1811         r_rendertarget_t *rt;
1812
1813         if (Cmd_Argc(cmd) != 3)
1814         {
1815                 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");
1816                 return;
1817         }
1818
1819         strlcpy (basename, Cmd_Argv(cmd, 1), sizeof (basename));
1820         size = atoi(Cmd_Argv(cmd, 2));
1821         if (size != 128 && size != 256 && size != 512 && size != 1024)
1822         {
1823                 Con_Print("envmap: size must be one of 128, 256, 512, or 1024\n");
1824                 return;
1825         }
1826         if (size > vid.width || size > vid.height)
1827         {
1828                 Con_Print("envmap: your resolution is not big enough to render that size\n");
1829                 return;
1830         }
1831
1832         r_refdef.envmap = true;
1833
1834         R_UpdateVariables();
1835
1836         r_refdef.view.x = 0;
1837         r_refdef.view.y = 0;
1838         r_refdef.view.z = 0;
1839         r_refdef.view.width = size;
1840         r_refdef.view.height = size;
1841         r_refdef.view.depth = 1;
1842         r_refdef.view.useperspective = true;
1843         r_refdef.view.isoverlay = false;
1844         r_refdef.view.ismain = true;
1845
1846         r_refdef.view.frustum_x = 1; // tan(45 * M_PI / 180.0);
1847         r_refdef.view.frustum_y = 1; // tan(45 * M_PI / 180.0);
1848         r_refdef.view.ortho_x = 90; // abused as angle by VM_CL_R_SetView
1849         r_refdef.view.ortho_y = 90; // abused as angle by VM_CL_R_SetView
1850
1851         buffer1 = (unsigned char *)Mem_Alloc(tempmempool, size * size * 4);
1852         buffer2 = (unsigned char *)Mem_Alloc(tempmempool, size * size * 3);
1853
1854         // TODO: use TEXTYPE_COLORBUFFER16F and output to .exr files as well?
1855         rt = R_RenderTarget_Get(size, size, TEXTYPE_DEPTHBUFFER24STENCIL8, true, TEXTYPE_COLORBUFFER, TEXTYPE_UNUSED, TEXTYPE_UNUSED, TEXTYPE_UNUSED);
1856         CL_UpdateEntityShading();
1857         for (j = 0;j < 12;j++)
1858         {
1859                 dpsnprintf(filename, sizeof(filename), "env/%s%s.tga", basename, envmapinfo[j].name);
1860                 Matrix4x4_CreateFromQuakeEntity(&r_refdef.view.matrix, r_refdef.view.origin[0], r_refdef.view.origin[1], r_refdef.view.origin[2], envmapinfo[j].angles[0], envmapinfo[j].angles[1], envmapinfo[j].angles[2], 1);
1861                 r_refdef.view.quality = 1;
1862                 r_refdef.view.clear = true;
1863                 R_Mesh_Start();
1864                 R_RenderView(rt->fbo, rt->depthtexture, rt->colortexture[0], 0, 0, size, size);
1865                 R_Mesh_Finish();
1866                 SCR_ScreenShot(filename, buffer1, buffer2, 0, vid.height - (r_refdef.view.y + r_refdef.view.height), size, size, envmapinfo[j].flipx, envmapinfo[j].flipy, envmapinfo[j].flipdiagonaly, false, false, false, false);
1867         }
1868
1869         Mem_Free (buffer1);
1870         Mem_Free (buffer2);
1871
1872         r_refdef.envmap = false;
1873 }
1874
1875 //=============================================================================
1876
1877 void SHOWLMP_decodehide(void)
1878 {
1879         int i;
1880         char *lmplabel;
1881         lmplabel = MSG_ReadString(&cl_message, cl_readstring, sizeof(cl_readstring));
1882         for (i = 0;i < cl.num_showlmps;i++)
1883                 if (cl.showlmps[i].isactive && strcmp(cl.showlmps[i].label, lmplabel) == 0)
1884                 {
1885                         cl.showlmps[i].isactive = false;
1886                         return;
1887                 }
1888 }
1889
1890 void SHOWLMP_decodeshow(void)
1891 {
1892         int k;
1893         char lmplabel[256], picname[256];
1894         float x, y;
1895         strlcpy (lmplabel,MSG_ReadString(&cl_message, cl_readstring, sizeof(cl_readstring)), sizeof (lmplabel));
1896         strlcpy (picname, MSG_ReadString(&cl_message, cl_readstring, sizeof(cl_readstring)), sizeof (picname));
1897         if (gamemode == GAME_NEHAHRA) // LadyHavoc: nasty old legacy junk
1898         {
1899                 x = MSG_ReadByte(&cl_message);
1900                 y = MSG_ReadByte(&cl_message);
1901         }
1902         else
1903         {
1904                 x = MSG_ReadShort(&cl_message);
1905                 y = MSG_ReadShort(&cl_message);
1906         }
1907         if (!cl.showlmps || cl.num_showlmps >= cl.max_showlmps)
1908         {
1909                 showlmp_t *oldshowlmps = cl.showlmps;
1910                 cl.max_showlmps += 16;
1911                 cl.showlmps = (showlmp_t *) Mem_Alloc(cls.levelmempool, cl.max_showlmps * sizeof(showlmp_t));
1912                 if (oldshowlmps)
1913                 {
1914                         if (cl.num_showlmps)
1915                                 memcpy(cl.showlmps, oldshowlmps, cl.num_showlmps * sizeof(showlmp_t));
1916                         Mem_Free(oldshowlmps);
1917                 }
1918         }
1919         for (k = 0;k < cl.max_showlmps;k++)
1920                 if (cl.showlmps[k].isactive && !strcmp(cl.showlmps[k].label, lmplabel))
1921                         break;
1922         if (k == cl.max_showlmps)
1923                 for (k = 0;k < cl.max_showlmps;k++)
1924                         if (!cl.showlmps[k].isactive)
1925                                 break;
1926         cl.showlmps[k].isactive = true;
1927         strlcpy (cl.showlmps[k].label, lmplabel, sizeof (cl.showlmps[k].label));
1928         strlcpy (cl.showlmps[k].pic, picname, sizeof (cl.showlmps[k].pic));
1929         cl.showlmps[k].x = x;
1930         cl.showlmps[k].y = y;
1931         cl.num_showlmps = max(cl.num_showlmps, k + 1);
1932 }
1933
1934 void SHOWLMP_drawall(void)
1935 {
1936         int i;
1937         for (i = 0;i < cl.num_showlmps;i++)
1938                 if (cl.showlmps[i].isactive)
1939                         DrawQ_Pic(cl.showlmps[i].x, cl.showlmps[i].y, Draw_CachePic_Flags (cl.showlmps[i].pic, CACHEPICFLAG_NOTPERSISTENT), 0, 0, 1, 1, 1, 1, 0);
1940 }
1941
1942 /*
1943 ==============================================================================
1944
1945                                                 SCREEN SHOTS
1946
1947 ==============================================================================
1948 */
1949
1950 // buffer1: 4*w*h
1951 // buffer2: 3*w*h (or 4*w*h if screenshotting alpha too)
1952 qboolean SCR_ScreenShot(char *filename, unsigned char *buffer1, unsigned char *buffer2, int x, int y, int width, int height, qboolean flipx, qboolean flipy, qboolean flipdiagonal, qboolean jpeg, qboolean png, qboolean gammacorrect, qboolean keep_alpha)
1953 {
1954         int     indices[4] = {0,1,2,3}; // BGRA
1955         qboolean ret;
1956
1957         GL_ReadPixelsBGRA(x, y, width, height, buffer1);
1958
1959         if(gammacorrect && (scr_screenshot_gammaboost.value != 1))
1960         {
1961                 int i;
1962                 double igamma = 1.0 / scr_screenshot_gammaboost.value;
1963                 unsigned short vidramp[256 * 3];
1964                 // identity gamma table
1965                 BuildGammaTable16(1.0f, 1.0f, 1.0f, 0.0f, 1.0f, vidramp, 256);
1966                 BuildGammaTable16(1.0f, 1.0f, 1.0f, 0.0f, 1.0f, vidramp + 256, 256);
1967                 BuildGammaTable16(1.0f, 1.0f, 1.0f, 0.0f, 1.0f, vidramp + 256*2, 256);
1968                 if(scr_screenshot_gammaboost.value != 1)
1969                 {
1970                         for (i = 0;i < 256 * 3;i++)
1971                                 vidramp[i] = (unsigned short) (0.5 + pow(vidramp[i] * (1.0 / 65535.0), igamma) * 65535.0);
1972                 }
1973                 for (i = 0;i < width*height*4;i += 4)
1974                 {
1975                         buffer1[i] = (unsigned char) (vidramp[buffer1[i] + 512] * 255.0 / 65535.0 + 0.5); // B
1976                         buffer1[i+1] = (unsigned char) (vidramp[buffer1[i+1] + 256] * 255.0 / 65535.0 + 0.5); // G
1977                         buffer1[i+2] = (unsigned char) (vidramp[buffer1[i+2]] * 255.0 / 65535.0 + 0.5); // R
1978                         // A
1979                 }
1980         }
1981
1982         if(keep_alpha && !jpeg)
1983         {
1984                 if(!png)
1985                         flipy = !flipy; // TGA: not preflipped
1986                 Image_CopyMux (buffer2, buffer1, width, height, flipx, flipy, flipdiagonal, 4, 4, indices);
1987                 if (png)
1988                         ret = PNG_SaveImage_preflipped (filename, width, height, true, buffer2);
1989                 else
1990                         ret = Image_WriteTGABGRA(filename, width, height, buffer2);
1991         }
1992         else
1993         {
1994                 if(jpeg)
1995                 {
1996                         indices[0] = 2;
1997                         indices[2] = 0; // RGB
1998                 }
1999                 Image_CopyMux (buffer2, buffer1, width, height, flipx, flipy, flipdiagonal, 3, 4, indices);
2000                 if (jpeg)
2001                         ret = JPEG_SaveImage_preflipped (filename, width, height, buffer2);
2002                 else if (png)
2003                         ret = PNG_SaveImage_preflipped (filename, width, height, false, buffer2);
2004                 else
2005                         ret = Image_WriteTGABGR_preflipped (filename, width, height, buffer2);
2006         }
2007
2008         return ret;
2009 }
2010
2011 //=============================================================================
2012
2013 int scr_numtouchscreenareas;
2014 scr_touchscreenarea_t scr_touchscreenareas[128];
2015
2016 static void SCR_DrawTouchscreenOverlay(void)
2017 {
2018         int i;
2019         scr_touchscreenarea_t *a;
2020         cachepic_t *pic;
2021         for (i = 0, a = scr_touchscreenareas;i < scr_numtouchscreenareas;i++, a++)
2022         {
2023                 if (vid_touchscreen_outlinealpha.value > 0 && a->rect[0] >= 0 && a->rect[1] >= 0 && a->rect[2] >= 4 && a->rect[3] >= 4)
2024                 {
2025                         DrawQ_Fill(a->rect[0] +              2, a->rect[1]                 , a->rect[2] - 4,          1    , 1, 1, 1, vid_touchscreen_outlinealpha.value * (0.5f + 0.5f * a->active), 0);
2026                         DrawQ_Fill(a->rect[0] +              1, a->rect[1] +              1, a->rect[2] - 2,          1    , 1, 1, 1, vid_touchscreen_outlinealpha.value * (0.5f + 0.5f * a->active), 0);
2027                         DrawQ_Fill(a->rect[0]                 , a->rect[1] +              2,          2    , a->rect[3] - 2, 1, 1, 1, vid_touchscreen_outlinealpha.value * (0.5f + 0.5f * a->active), 0);
2028                         DrawQ_Fill(a->rect[0] + a->rect[2] - 2, a->rect[1] +              2,          2    , a->rect[3] - 2, 1, 1, 1, vid_touchscreen_outlinealpha.value * (0.5f + 0.5f * a->active), 0);
2029                         DrawQ_Fill(a->rect[0] +              1, a->rect[1] + a->rect[3] - 2, a->rect[2] - 2,          1    , 1, 1, 1, vid_touchscreen_outlinealpha.value * (0.5f + 0.5f * a->active), 0);
2030                         DrawQ_Fill(a->rect[0] +              2, a->rect[1] + a->rect[3] - 1, a->rect[2] - 4,          1    , 1, 1, 1, vid_touchscreen_outlinealpha.value * (0.5f + 0.5f * a->active), 0);
2031                 }
2032                 pic = a->pic ? Draw_CachePic_Flags(a->pic, CACHEPICFLAG_FAILONMISSING) : NULL;
2033                 if (Draw_IsPicLoaded(pic))
2034                         DrawQ_Pic(a->rect[0], a->rect[1], pic, a->rect[2], a->rect[3], 1, 1, 1, vid_touchscreen_overlayalpha.value * (0.5f + 0.5f * a->active), 0);
2035                 if (a->text && a->text[0])
2036                 {
2037                         int textwidth = DrawQ_TextWidth(a->text, 0, a->textheight, a->textheight, false, FONT_CHAT);
2038                         DrawQ_String(a->rect[0] + (a->rect[2] - textwidth) * 0.5f, a->rect[1] + (a->rect[3] - a->textheight) * 0.5f, a->text, 0, a->textheight, a->textheight, 1.0f, 1.0f, 1.0f, vid_touchscreen_overlayalpha.value, 0, NULL, false, FONT_CHAT);
2039                 }
2040         }
2041 }
2042
2043 void R_ClearScreen(qboolean fogcolor)
2044 {
2045         float clearcolor[4];
2046         if (scr_screenshot_alpha.integer)
2047                 // clear to transparency (so png screenshots can contain alpha channel, useful for building model pictures)
2048                 Vector4Set(clearcolor, 0.0f, 0.0f, 0.0f, 0.0f);
2049         else
2050                 // clear to opaque black (if we're being composited it might otherwise render as transparent)
2051                 Vector4Set(clearcolor, 0.0f, 0.0f, 0.0f, 1.0f);
2052         if (fogcolor && r_fog_clear.integer)
2053         {
2054                 R_UpdateFog();
2055                 VectorCopy(r_refdef.fogcolor, clearcolor);
2056         }
2057         // clear depth is 1.0
2058         // clear the screen
2059         GL_Clear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT | (vid.stencil ? GL_STENCIL_BUFFER_BIT : 0), clearcolor, 1.0f, 0);
2060 }
2061
2062 int r_stereo_side;
2063 extern cvar_t v_isometric;
2064 extern cvar_t v_isometric_verticalfov;
2065
2066 static void SCR_DrawLoadingScreen(qboolean clear);
2067 static void SCR_DrawScreen (void)
2068 {
2069         Draw_Frame();
2070
2071         R_Mesh_Start();
2072
2073         R_UpdateVariables();
2074
2075         // this will be set back to 0 by R_RenderView during CL_VM_UpdateView
2076         r_refdef.draw2dstage = 1;
2077         R_ResetViewRendering2D_Common(0, NULL, NULL, 0, 0, vid.width, vid.height, vid_conwidth.integer, vid_conheight.integer);
2078
2079         // Quake uses clockwise winding, so these are swapped
2080         r_refdef.view.cullface_front = GL_BACK;
2081         r_refdef.view.cullface_back = GL_FRONT;
2082
2083         if (cls.signon == SIGNONS)
2084         {
2085                 float size;
2086
2087                 size = scr_viewsize.value * (1.0 / 100.0);
2088                 size = min(size, 1);
2089
2090                 if (r_stereo_sidebyside.integer)
2091                 {
2092                         r_refdef.view.width = (int)(vid.width * size / 2.5);
2093                         r_refdef.view.height = (int)(vid.height * size / 2.5 * (1 - bound(0, r_letterbox.value, 100) / 100));
2094                         r_refdef.view.depth = 1;
2095                         r_refdef.view.x = (int)((vid.width - r_refdef.view.width * 2.5) * 0.5);
2096                         r_refdef.view.y = (int)((vid.height - r_refdef.view.height)/2);
2097                         r_refdef.view.z = 0;
2098                         if (r_stereo_side)
2099                                 r_refdef.view.x += (int)(r_refdef.view.width * 1.5);
2100                 }
2101                 else if (r_stereo_horizontal.integer)
2102                 {
2103                         r_refdef.view.width = (int)(vid.width * size / 2);
2104                         r_refdef.view.height = (int)(vid.height * size * (1 - bound(0, r_letterbox.value, 100) / 100));
2105                         r_refdef.view.depth = 1;
2106                         r_refdef.view.x = (int)((vid.width - r_refdef.view.width * 2.0)/2);
2107                         r_refdef.view.y = (int)((vid.height - r_refdef.view.height)/2);
2108                         r_refdef.view.z = 0;
2109                         if (r_stereo_side)
2110                                 r_refdef.view.x += (int)(r_refdef.view.width);
2111                 }
2112                 else if (r_stereo_vertical.integer)
2113                 {
2114                         r_refdef.view.width = (int)(vid.width * size);
2115                         r_refdef.view.height = (int)(vid.height * size * (1 - bound(0, r_letterbox.value, 100) / 100) / 2);
2116                         r_refdef.view.depth = 1;
2117                         r_refdef.view.x = (int)((vid.width - r_refdef.view.width)/2);
2118                         r_refdef.view.y = (int)((vid.height - r_refdef.view.height * 2.0)/2);
2119                         r_refdef.view.z = 0;
2120                         if (r_stereo_side)
2121                                 r_refdef.view.y += (int)(r_refdef.view.height);
2122                 }
2123                 else
2124                 {
2125                         r_refdef.view.width = (int)(vid.width * size);
2126                         r_refdef.view.height = (int)(vid.height * size * (1 - bound(0, r_letterbox.value, 100) / 100));
2127                         r_refdef.view.depth = 1;
2128                         r_refdef.view.x = (int)((vid.width - r_refdef.view.width)/2);
2129                         r_refdef.view.y = (int)((vid.height - r_refdef.view.height)/2);
2130                         r_refdef.view.z = 0;
2131                 }
2132
2133                 // LadyHavoc: viewzoom (zoom in for sniper rifles, etc)
2134                 // LadyHavoc: this is designed to produce widescreen fov values
2135                 // when the screen is wider than 4/3 width/height aspect, to do
2136                 // this it simply assumes the requested fov is the vertical fov
2137                 // for a 4x3 display, if the ratio is not 4x3 this makes the fov
2138                 // higher/lower according to the ratio
2139                 r_refdef.view.useperspective = true;
2140                 r_refdef.view.frustum_y = tan(scr_fov.value * M_PI / 360.0) * (3.0 / 4.0) * cl.viewzoom;
2141                 r_refdef.view.frustum_x = r_refdef.view.frustum_y * (float)r_refdef.view.width / (float)r_refdef.view.height / vid_pixelheight.value;
2142
2143                 r_refdef.view.frustum_x *= r_refdef.frustumscale_x;
2144                 r_refdef.view.frustum_y *= r_refdef.frustumscale_y;
2145                 r_refdef.view.ortho_x = atan(r_refdef.view.frustum_x) * (360.0 / M_PI); // abused as angle by VM_CL_R_SetView
2146                 r_refdef.view.ortho_y = atan(r_refdef.view.frustum_y) * (360.0 / M_PI); // abused as angle by VM_CL_R_SetView
2147
2148                 r_refdef.view.ismain = true;
2149
2150                 // if CSQC is loaded, it is required to provide the CSQC_UpdateView function,
2151                 // and won't render a view if it does not call that.
2152                 if (cl.csqc_loaded)
2153                         CL_VM_UpdateView(r_stereo_side ? 0.0 : max(0.0, cl.time - cl.oldtime));
2154                 else
2155                 {
2156                         CL_UpdateEntityShading();
2157                         R_RenderView(0, NULL, NULL, r_refdef.view.x, r_refdef.view.y, r_refdef.view.width, r_refdef.view.height);
2158                 }
2159         }
2160         else if (key_dest == key_game && key_consoleactive == 0 && (cls.state == ca_connected || cls.connect_trying))
2161         {
2162                 // draw the loading screen for a while if we're still connecting and not forcing the console or menu to show up
2163                 char temp[64];
2164                 if (cls.signon > 0)
2165                         SCR_PushLoadingScreen(false, va(temp, sizeof(temp), "Connect: Signon stage %i of %i", cls.signon, SIGNONS), 1.0);
2166                 else if (cls.connect_remainingtries > 0)
2167                         SCR_PushLoadingScreen(false, va(temp, sizeof(temp), "Connect: Trying...  %i", cls.connect_remainingtries), 1.0);
2168                 else
2169                         SCR_PushLoadingScreen(false, va(temp, sizeof(temp), "Connect: Waiting %i seconds for reply", 10 + cls.connect_remainingtries), 1.0);
2170                 SCR_DrawLoadingScreen(true);
2171                 SCR_PopLoadingScreen(false);
2172         }
2173
2174         // Don't apply debugging stuff like r_showsurfaces to the UI
2175         r_refdef.view.showdebug = false;
2176
2177         if (!r_stereo_sidebyside.integer && !r_stereo_horizontal.integer && !r_stereo_vertical.integer)
2178         {
2179                 r_refdef.view.width = vid.width;
2180                 r_refdef.view.height = vid.height;
2181                 r_refdef.view.depth = 1;
2182                 r_refdef.view.x = 0;
2183                 r_refdef.view.y = 0;
2184                 r_refdef.view.z = 0;
2185                 r_refdef.view.useperspective = false;
2186         }
2187
2188         if (cls.timedemo && cls.td_frames > 0 && timedemo_screenshotframelist.string && timedemo_screenshotframelist.string[0])
2189         {
2190                 const char *t;
2191                 int framenum;
2192                 t = timedemo_screenshotframelist.string;
2193                 while (*t)
2194                 {
2195                         while (*t == ' ')
2196                                 t++;
2197                         if (!*t)
2198                                 break;
2199                         framenum = atof(t);
2200                         if (framenum == cls.td_frames)
2201                                 break;
2202                         while (*t && *t != ' ')
2203                                 t++;
2204                 }
2205                 if (*t)
2206                 {
2207                         // we need to take a screenshot of this frame...
2208                         char filename[MAX_QPATH];
2209                         unsigned char *buffer1;
2210                         unsigned char *buffer2;
2211                         dpsnprintf(filename, sizeof(filename), "timedemoscreenshots/%s%06d.tga", cls.demoname, cls.td_frames);
2212                         buffer1 = (unsigned char *)Mem_Alloc(tempmempool, vid.width * vid.height * 4);
2213                         buffer2 = (unsigned char *)Mem_Alloc(tempmempool, vid.width * vid.height * 3);
2214                         SCR_ScreenShot(filename, buffer1, buffer2, 0, 0, vid.width, vid.height, false, false, false, false, false, true, false);
2215                         Mem_Free(buffer1);
2216                         Mem_Free(buffer2);
2217                 }
2218         }
2219
2220         // draw 2D stuff
2221         if(!scr_con_current && !(key_consoleactive & KEY_CONSOLEACTIVE_FORCED))
2222                 if ((key_dest == key_game || key_dest == key_message) && !r_letterbox.value)
2223                         Con_DrawNotify ();      // only draw notify in game
2224
2225         if (cls.signon == SIGNONS)
2226         {
2227                 SCR_DrawNet ();
2228                 SCR_DrawTurtle ();
2229                 SCR_DrawPause ();
2230                 if (!r_letterbox.value)
2231                         Sbar_Draw();
2232                 SHOWLMP_drawall();
2233                 SCR_CheckDrawCenterString();
2234         }
2235         SCR_DrawNetGraph ();
2236 #ifdef CONFIG_MENU
2237         MR_Draw();
2238 #endif
2239         CL_DrawVideo();
2240         R_Shadow_EditLights_DrawSelectedLightProperties();
2241
2242         SCR_DrawConsole();
2243
2244         SCR_DrawBrand();
2245
2246         SCR_DrawInfobar();
2247
2248         SCR_DrawTouchscreenOverlay();
2249
2250         if (r_timereport_active)
2251                 R_TimeReport("2d");
2252
2253         R_TimeReport_EndFrame();
2254         R_TimeReport_BeginFrame();
2255         Sbar_ShowFPS();
2256
2257         DrawQ_Finish();
2258
2259         R_Mesh_Finish();
2260         R_RenderTarget_FreeUnused(false);
2261 }
2262
2263 typedef struct loadingscreenstack_s
2264 {
2265         struct loadingscreenstack_s *prev;
2266         char msg[MAX_QPATH];
2267         float absolute_loading_amount_min; // this corresponds to relative completion 0 of this item
2268         float absolute_loading_amount_len; // this corresponds to relative completion 1 of this item
2269         float relative_completion; // 0 .. 1
2270 }
2271 loadingscreenstack_t;
2272 static loadingscreenstack_t *loadingscreenstack = NULL;
2273 static qboolean loadingscreendone = false;
2274 static qboolean loadingscreencleared = false;
2275 static float loadingscreenheight = 0;
2276 rtexture_t *loadingscreentexture = NULL;
2277 static float loadingscreentexture_vertex3f[12];
2278 static float loadingscreentexture_texcoord2f[8];
2279 static int loadingscreenpic_number = 0;
2280
2281 static void SCR_ClearLoadingScreenTexture(void)
2282 {
2283         if(loadingscreentexture)
2284                 R_FreeTexture(loadingscreentexture);
2285         loadingscreentexture = NULL;
2286 }
2287
2288 extern rtexturepool_t *r_main_texturepool;
2289 static void SCR_SetLoadingScreenTexture(void)
2290 {
2291         int w, h;
2292         float loadingscreentexture_w;
2293         float loadingscreentexture_h;
2294
2295         SCR_ClearLoadingScreenTexture();
2296
2297         w = vid.width; h = vid.height;
2298         loadingscreentexture_w = loadingscreentexture_h = 1;
2299
2300         loadingscreentexture = R_LoadTexture2D(r_main_texturepool, "loadingscreentexture", w, h, NULL, TEXTYPE_COLORBUFFER, TEXF_RENDERTARGET | TEXF_FORCENEAREST | TEXF_CLAMP, -1, NULL);
2301         R_Mesh_CopyToTexture(loadingscreentexture, 0, 0, 0, 0, vid.width, vid.height);
2302
2303         loadingscreentexture_vertex3f[2] = loadingscreentexture_vertex3f[5] = loadingscreentexture_vertex3f[8] = loadingscreentexture_vertex3f[11] = 0;
2304         loadingscreentexture_vertex3f[0] = loadingscreentexture_vertex3f[9] = 0;
2305         loadingscreentexture_vertex3f[1] = loadingscreentexture_vertex3f[4] = 0;
2306         loadingscreentexture_vertex3f[3] = loadingscreentexture_vertex3f[6] = vid_conwidth.integer;
2307         loadingscreentexture_vertex3f[7] = loadingscreentexture_vertex3f[10] = vid_conheight.integer;
2308         loadingscreentexture_texcoord2f[0] = 0;loadingscreentexture_texcoord2f[1] = loadingscreentexture_h;
2309         loadingscreentexture_texcoord2f[2] = loadingscreentexture_w;loadingscreentexture_texcoord2f[3] = loadingscreentexture_h;
2310         loadingscreentexture_texcoord2f[4] = loadingscreentexture_w;loadingscreentexture_texcoord2f[5] = 0;
2311         loadingscreentexture_texcoord2f[6] = 0;loadingscreentexture_texcoord2f[7] = 0;
2312 }
2313
2314 void SCR_UpdateLoadingScreenIfShown(void)
2315 {
2316         if(loadingscreendone)
2317                 SCR_UpdateLoadingScreen(loadingscreencleared, false);
2318 }
2319
2320 void SCR_PushLoadingScreen (qboolean redraw, const char *msg, float len_in_parent)
2321 {
2322         loadingscreenstack_t *s = (loadingscreenstack_t *) Z_Malloc(sizeof(loadingscreenstack_t));
2323         s->prev = loadingscreenstack;
2324         loadingscreenstack = s;
2325
2326         strlcpy(s->msg, msg, sizeof(s->msg));
2327         s->relative_completion = 0;
2328
2329         if(s->prev)
2330         {
2331                 s->absolute_loading_amount_min = s->prev->absolute_loading_amount_min + s->prev->absolute_loading_amount_len * s->prev->relative_completion;
2332                 s->absolute_loading_amount_len = s->prev->absolute_loading_amount_len * len_in_parent;
2333                 if(s->absolute_loading_amount_len > s->prev->absolute_loading_amount_min + s->prev->absolute_loading_amount_len - s->absolute_loading_amount_min)
2334                         s->absolute_loading_amount_len = s->prev->absolute_loading_amount_min + s->prev->absolute_loading_amount_len - s->absolute_loading_amount_min;
2335         }
2336         else
2337         {
2338                 s->absolute_loading_amount_min = 0;
2339                 s->absolute_loading_amount_len = 1;
2340         }
2341
2342         if(redraw)
2343                 SCR_UpdateLoadingScreenIfShown();
2344 }
2345
2346 void SCR_PopLoadingScreen (qboolean redraw)
2347 {
2348         loadingscreenstack_t *s = loadingscreenstack;
2349
2350         if(!s)
2351         {
2352                 Con_DPrintf("Popping a loading screen item from an empty stack!\n");
2353                 return;
2354         }
2355
2356         loadingscreenstack = s->prev;
2357         if(s->prev)
2358                 s->prev->relative_completion = (s->absolute_loading_amount_min + s->absolute_loading_amount_len - s->prev->absolute_loading_amount_min) / s->prev->absolute_loading_amount_len;
2359         Z_Free(s);
2360
2361         if(redraw)
2362                 SCR_UpdateLoadingScreenIfShown();
2363 }
2364
2365 void SCR_ClearLoadingScreen (qboolean redraw)
2366 {
2367         while(loadingscreenstack)
2368                 SCR_PopLoadingScreen(redraw && !loadingscreenstack->prev);
2369 }
2370
2371 static float SCR_DrawLoadingStack_r(loadingscreenstack_t *s, float y, float size)
2372 {
2373         float x;
2374         size_t len;
2375         float total;
2376
2377         total = 0;
2378 #if 0
2379         if(s)
2380         {
2381                 total += SCR_DrawLoadingStack_r(s->prev, y, 8);
2382                 y -= total;
2383                 if(!s->prev || strcmp(s->msg, s->prev->msg))
2384                 {
2385                         len = strlen(s->msg);
2386                         x = (vid_conwidth.integer - DrawQ_TextWidth(s->msg, len, size, size, true, FONT_INFOBAR)) / 2;
2387                         y -= size;
2388                         DrawQ_Fill(0, y, vid_conwidth.integer, size, 0, 0, 0, 1, 0);
2389                         DrawQ_String(x, y, s->msg, len, size, size, 1, 1, 1, 1, 0, NULL, true, FONT_INFOBAR);
2390                         total += size;
2391                 }
2392         }
2393 #else
2394         if(s)
2395         {
2396                 len = strlen(s->msg);
2397                 x = (vid_conwidth.integer - DrawQ_TextWidth(s->msg, len, size, size, true, FONT_INFOBAR)) / 2;
2398                 y -= size;
2399                 DrawQ_Fill(0, y, vid_conwidth.integer, size, 0, 0, 0, 1, 0);
2400                 DrawQ_String(x, y, s->msg, len, size, size, 1, 1, 1, 1, 0, NULL, true, FONT_INFOBAR);
2401                 total += size;
2402         }
2403 #endif
2404         return total;
2405 }
2406
2407 static void SCR_DrawLoadingStack(void)
2408 {
2409         float verts[12];
2410         float colors[16];
2411
2412         loadingscreenheight = SCR_DrawLoadingStack_r(loadingscreenstack, vid_conheight.integer, scr_loadingscreen_barheight.value);
2413         if(loadingscreenstack)
2414         {
2415                 // height = 32; // sorry, using the actual one is ugly
2416                 GL_BlendFunc(GL_SRC_ALPHA, GL_ONE);
2417                 GL_DepthRange(0, 1);
2418                 GL_PolygonOffset(0, 0);
2419                 GL_DepthTest(false);
2420 //              R_Mesh_ResetTextureState();
2421                 verts[2] = verts[5] = verts[8] = verts[11] = 0;
2422                 verts[0] = verts[9] = 0;
2423                 verts[1] = verts[4] = vid_conheight.integer - scr_loadingscreen_barheight.value;
2424                 verts[3] = verts[6] = vid_conwidth.integer * loadingscreenstack->absolute_loading_amount_min;
2425                 verts[7] = verts[10] = vid_conheight.integer;
2426
2427 #if _MSC_VER >= 1400
2428 #define sscanf sscanf_s
2429 #endif
2430                 //                                        ^^^^^^^^^^ blue component
2431                 //                              ^^^^^^ bottom row
2432                 //          ^^^^^^^^^^^^ alpha is always on
2433                 colors[0] = 0; colors[1] = 0; colors[2] = 0; colors[3] = 1;
2434                 colors[4] = 0; colors[5] = 0; colors[6] = 0; colors[7] = 1;
2435                 sscanf(scr_loadingscreen_barcolor.string, "%f %f %f", &colors[8], &colors[9], &colors[10]); colors[11] = 1;
2436                 sscanf(scr_loadingscreen_barcolor.string, "%f %f %f", &colors[12], &colors[13], &colors[14]);  colors[15] = 1;
2437
2438                 R_Mesh_PrepareVertices_Generic_Arrays(4, verts, colors, NULL);
2439                 R_SetupShader_Generic_NoTexture(true, true);
2440                 R_Mesh_Draw(0, 4, 0, 2, polygonelement3i, NULL, 0, polygonelement3s, NULL, 0);
2441
2442                 // make sure everything is cleared, including the progress indicator
2443                 if(loadingscreenheight < 8)
2444                         loadingscreenheight = 8;
2445         }
2446 }
2447
2448 static cachepic_t *loadingscreenpic;
2449 static float loadingscreenpic_vertex3f[12];
2450 static float loadingscreenpic_texcoord2f[8];
2451
2452 static void SCR_DrawLoadingScreen_SharedSetup (qboolean clear)
2453 {
2454         r_viewport_t viewport;
2455         float x, y, w, h, sw, sh, f;
2456         char vabuf[1024];
2457         // release mouse grab while loading
2458         if (!vid.fullscreen)
2459                 VID_SetMouse(false, false, false);
2460 //      CHECKGLERROR
2461         r_refdef.draw2dstage = true;
2462         R_Viewport_InitOrtho(&viewport, &identitymatrix, 0, 0, vid.width, vid.height, 0, 0, vid_conwidth.integer, vid_conheight.integer, -10, 100, NULL);
2463         R_Mesh_SetRenderTargets(0, NULL, NULL, NULL, NULL, NULL);
2464         R_SetViewport(&viewport);
2465         GL_ColorMask(1,1,1,1);
2466         // when starting up a new video mode, make sure the screen is cleared to black
2467         if (clear || loadingscreentexture)
2468                 GL_Clear(GL_COLOR_BUFFER_BIT, NULL, 1.0f, 0);
2469         R_Textures_Frame();
2470         R_Mesh_Start();
2471         R_EntityMatrix(&identitymatrix);
2472         // draw the loading plaque
2473         loadingscreenpic = Draw_CachePic_Flags (loadingscreenpic_number ? va(vabuf, sizeof(vabuf), "%s%d", scr_loadingscreen_picture.string, loadingscreenpic_number+1) : scr_loadingscreen_picture.string, loadingscreenpic_number ? CACHEPICFLAG_NOTPERSISTENT : 0);
2474
2475         w = Draw_GetPicWidth(loadingscreenpic);
2476         h = Draw_GetPicHeight(loadingscreenpic);
2477
2478         // apply scale
2479         w *= scr_loadingscreen_scale.value;
2480         h *= scr_loadingscreen_scale.value;
2481
2482         // apply scale base
2483         if(scr_loadingscreen_scale_base.integer)
2484         {
2485                 w *= vid_conwidth.integer / (float) vid.width;
2486                 h *= vid_conheight.integer / (float) vid.height;
2487         }
2488
2489         // apply scale limit
2490         sw = w / vid_conwidth.integer;
2491         sh = h / vid_conheight.integer;
2492         f = 1;
2493         switch(scr_loadingscreen_scale_limit.integer)
2494         {
2495                 case 1:
2496                         f = max(sw, sh);
2497                         break;
2498                 case 2:
2499                         f = min(sw, sh);
2500                         break;
2501                 case 3:
2502                         f = sw;
2503                         break;
2504                 case 4:
2505                         f = sh;
2506                         break;
2507         }
2508         if(f > 1)
2509         {
2510                 w /= f;
2511                 h /= f;
2512         }
2513
2514         x = (vid_conwidth.integer - w)/2;
2515         y = (vid_conheight.integer - h)/2;
2516         loadingscreenpic_vertex3f[2] = loadingscreenpic_vertex3f[5] = loadingscreenpic_vertex3f[8] = loadingscreenpic_vertex3f[11] = 0;
2517         loadingscreenpic_vertex3f[0] = loadingscreenpic_vertex3f[9] = x;
2518         loadingscreenpic_vertex3f[1] = loadingscreenpic_vertex3f[4] = y;
2519         loadingscreenpic_vertex3f[3] = loadingscreenpic_vertex3f[6] = x + w;
2520         loadingscreenpic_vertex3f[7] = loadingscreenpic_vertex3f[10] = y + h;
2521         loadingscreenpic_texcoord2f[0] = 0;loadingscreenpic_texcoord2f[1] = 0;
2522         loadingscreenpic_texcoord2f[2] = 1;loadingscreenpic_texcoord2f[3] = 0;
2523         loadingscreenpic_texcoord2f[4] = 1;loadingscreenpic_texcoord2f[5] = 1;
2524         loadingscreenpic_texcoord2f[6] = 0;loadingscreenpic_texcoord2f[7] = 1;
2525 }
2526
2527 static void SCR_DrawLoadingScreen (qboolean clear)
2528 {
2529         // we only need to draw the image if it isn't already there
2530         GL_BlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
2531         GL_DepthRange(0, 1);
2532         GL_PolygonOffset(0, 0);
2533         GL_DepthTest(false);
2534 //      R_Mesh_ResetTextureState();
2535         GL_Color(1,1,1,1);
2536         if(loadingscreentexture)
2537         {
2538                 R_Mesh_PrepareVertices_Generic_Arrays(4, loadingscreentexture_vertex3f, NULL, loadingscreentexture_texcoord2f);
2539                 R_SetupShader_Generic(loadingscreentexture, false, true, true);
2540                 R_Mesh_Draw(0, 4, 0, 2, polygonelement3i, NULL, 0, polygonelement3s, NULL, 0);
2541         }
2542         R_Mesh_PrepareVertices_Generic_Arrays(4, loadingscreenpic_vertex3f, NULL, loadingscreenpic_texcoord2f);
2543         R_SetupShader_Generic(Draw_GetPicTexture(loadingscreenpic), true, true, false);
2544         R_Mesh_Draw(0, 4, 0, 2, polygonelement3i, NULL, 0, polygonelement3s, NULL, 0);
2545         SCR_DrawLoadingStack();
2546 }
2547
2548 static void SCR_DrawLoadingScreen_SharedFinish (qboolean clear)
2549 {
2550         R_Mesh_Finish();
2551         // refresh
2552         VID_Finish();
2553 }
2554
2555 static double loadingscreen_lastupdate;
2556
2557 static void SCR_UpdateVars(void);
2558
2559 void SCR_UpdateLoadingScreen (qboolean clear, qboolean startup)
2560 {
2561         keydest_t       old_key_dest;
2562         int                     old_key_consoleactive;
2563
2564         // don't do anything if not initialized yet
2565         if (vid_hidden || cls.state == ca_dedicated)
2566                 return;
2567
2568         // limit update rate
2569         if (scr_loadingscreen_maxfps.value)
2570         {
2571                 double t = Sys_DirtyTime();
2572                 if ((t - loadingscreen_lastupdate) < 1.0f/scr_loadingscreen_maxfps.value)
2573                         return;
2574                 loadingscreen_lastupdate = t;
2575         }
2576
2577         SCR_UpdateVars();
2578
2579         // set up the r_texture_gammaramps texture which we need for rendering the loadingscreenpic
2580         VID_UpdateGamma();
2581         R_UpdateVariables();
2582
2583         if(!scr_loadingscreen_background.integer)
2584                 clear = true;
2585
2586         if(loadingscreendone)
2587                 clear |= loadingscreencleared;
2588
2589         if(!loadingscreendone)
2590         {
2591                 if(startup && scr_loadingscreen_firstforstartup.integer)
2592                         loadingscreenpic_number = 0;
2593                 else if(scr_loadingscreen_firstforstartup.integer)
2594                         if(scr_loadingscreen_count.integer > 1)
2595                                 loadingscreenpic_number = rand() % (scr_loadingscreen_count.integer - 1) + 1;
2596                         else
2597                                 loadingscreenpic_number = 0;
2598                 else
2599                         loadingscreenpic_number = rand() % (scr_loadingscreen_count.integer > 1 ? scr_loadingscreen_count.integer : 1);
2600         }
2601
2602         if(clear)
2603                 SCR_ClearLoadingScreenTexture();
2604         else if(!loadingscreendone)
2605                 SCR_SetLoadingScreenTexture();
2606
2607         if(!loadingscreendone)
2608         {
2609                 loadingscreendone = true;
2610                 loadingscreenheight = 0;
2611         }
2612         loadingscreencleared = clear;
2613
2614 #ifdef USE_GLES2
2615         SCR_DrawLoadingScreen_SharedSetup(clear);
2616         SCR_DrawLoadingScreen(clear);
2617 #else
2618         qglDrawBuffer(GL_BACK);
2619         SCR_DrawLoadingScreen_SharedSetup(clear);
2620         if (vid.stereobuffer)
2621         {
2622                 qglDrawBuffer(GL_BACK_LEFT);
2623                 SCR_DrawLoadingScreen(clear);
2624                 qglDrawBuffer(GL_BACK_RIGHT);
2625                 SCR_DrawLoadingScreen(clear);
2626         }
2627         else
2628         {
2629                 qglDrawBuffer(GL_BACK);
2630                 SCR_DrawLoadingScreen(clear);
2631         }
2632 #endif
2633         SCR_DrawLoadingScreen_SharedFinish(clear);
2634
2635         // this goes into the event loop, and should prevent unresponsive cursor on vista
2636         old_key_dest = key_dest;
2637         old_key_consoleactive = key_consoleactive;
2638         key_dest = key_void;
2639         key_consoleactive = false;
2640         Key_EventQueue_Block(); Sys_SendKeyEvents();
2641         key_dest = old_key_dest;
2642         key_consoleactive = old_key_consoleactive;
2643 }
2644
2645 qboolean R_Stereo_ColorMasking(void)
2646 {
2647         return r_stereo_redblue.integer || r_stereo_redgreen.integer || r_stereo_redcyan.integer;
2648 }
2649
2650 qboolean R_Stereo_Active(void)
2651 {
2652         return (vid.stereobuffer || r_stereo_sidebyside.integer || r_stereo_horizontal.integer || r_stereo_vertical.integer || R_Stereo_ColorMasking());
2653 }
2654
2655 void SCR_UpdateVars(void)
2656 {
2657         float conwidth = bound(160, vid_conwidth.value, 32768);
2658         float conheight = bound(90, vid_conheight.value, 24576);
2659         if (vid_conwidthauto.integer)
2660                 conwidth = floor(conheight * vid.width / (vid.height * vid_pixelheight.value));
2661         if (vid_conwidth.value != conwidth)
2662                 Cvar_SetValueQuick(&vid_conwidth, conwidth);
2663         if (vid_conheight.value != conheight)
2664                 Cvar_SetValueQuick(&vid_conheight, conheight);
2665
2666         // bound viewsize
2667         if (scr_viewsize.value < 30)
2668                 Cvar_SetValueQuick(&scr_viewsize, 30);
2669         if (scr_viewsize.value > 120)
2670                 Cvar_SetValueQuick(&scr_viewsize, 120);
2671
2672         // bound field of view
2673         if (scr_fov.value < 1)
2674                 Cvar_SetValueQuick(&scr_fov, 1);
2675         if (scr_fov.value > 170)
2676                 Cvar_SetValueQuick(&scr_fov, 170);
2677
2678         // intermission is always full screen
2679         if (cl.intermission)
2680                 sb_lines = 0;
2681         else
2682         {
2683                 if (scr_viewsize.value >= 120)
2684                         sb_lines = 0;           // no status bar at all
2685                 else if (scr_viewsize.value >= 110)
2686                         sb_lines = 24;          // no inventory
2687                 else
2688                         sb_lines = 24 + 16 + 8;
2689         }
2690 }
2691
2692 extern cvar_t cl_minfps;
2693 extern cvar_t cl_minfps_fade;
2694 extern cvar_t cl_minfps_qualitymax;
2695 extern cvar_t cl_minfps_qualitymin;
2696 extern cvar_t cl_minfps_qualitymultiply;
2697 extern cvar_t cl_minfps_qualityhysteresis;
2698 extern cvar_t cl_minfps_qualitystepmax;
2699 extern cvar_t cl_minfps_force;
2700 static double cl_updatescreen_quality = 1;
2701 void CL_UpdateScreen(void)
2702 {
2703         vec3_t vieworigin;
2704         static double drawscreenstart = 0.0;
2705         double drawscreendelta;
2706         r_viewport_t viewport;
2707
2708         if(drawscreenstart)
2709         {
2710                 drawscreendelta = Sys_DirtyTime() - drawscreenstart;
2711                 if (cl_minfps.value > 0 && (cl_minfps_force.integer || !(cls.timedemo || (cls.capturevideo.active && !cls.capturevideo.realtime))) && drawscreendelta >= 0 && drawscreendelta < 60)
2712                 {
2713                         // quality adjustment according to render time
2714                         double actualframetime;
2715                         double targetframetime;
2716                         double adjust;
2717                         double f;
2718                         double h;
2719
2720                         // fade lastdrawscreentime
2721                         r_refdef.lastdrawscreentime += (drawscreendelta - r_refdef.lastdrawscreentime) * cl_minfps_fade.value;
2722
2723                         // find actual and target frame times
2724                         actualframetime = r_refdef.lastdrawscreentime;
2725                         targetframetime = (1.0 / cl_minfps.value);
2726
2727                         // we scale hysteresis by quality
2728                         h = cl_updatescreen_quality * cl_minfps_qualityhysteresis.value;
2729
2730                         // calculate adjustment assuming linearity
2731                         f = cl_updatescreen_quality / actualframetime * cl_minfps_qualitymultiply.value;
2732                         adjust = (targetframetime - actualframetime) * f;
2733
2734                         // one sided hysteresis
2735                         if(adjust > 0)
2736                                 adjust = max(0, adjust - h);
2737
2738                         // adjust > 0 if:
2739                         //   (targetframetime - actualframetime) * f > h
2740                         //   ((1.0 / cl_minfps.value) - actualframetime) * (cl_updatescreen_quality / actualframetime * cl_minfps_qualitymultiply.value) > (cl_updatescreen_quality * cl_minfps_qualityhysteresis.value)
2741                         //   ((1.0 / cl_minfps.value) - actualframetime) * (cl_minfps_qualitymultiply.value / actualframetime) > cl_minfps_qualityhysteresis.value
2742                         //   (1.0 / cl_minfps.value) * (cl_minfps_qualitymultiply.value / actualframetime) - cl_minfps_qualitymultiply.value > cl_minfps_qualityhysteresis.value
2743                         //   (1.0 / cl_minfps.value) * (cl_minfps_qualitymultiply.value / actualframetime) > cl_minfps_qualityhysteresis.value + cl_minfps_qualitymultiply.value
2744                         //   (1.0 / cl_minfps.value) / actualframetime > (cl_minfps_qualityhysteresis.value + cl_minfps_qualitymultiply.value) / cl_minfps_qualitymultiply.value
2745                         //   (1.0 / cl_minfps.value) / actualframetime > 1.0 + cl_minfps_qualityhysteresis.value / cl_minfps_qualitymultiply.value
2746                         //   cl_minfps.value * actualframetime < 1.0 / (1.0 + cl_minfps_qualityhysteresis.value / cl_minfps_qualitymultiply.value)
2747                         //   actualframetime < 1.0 / cl_minfps.value / (1.0 + cl_minfps_qualityhysteresis.value / cl_minfps_qualitymultiply.value)
2748                         //   actualfps > cl_minfps.value * (1.0 + cl_minfps_qualityhysteresis.value / cl_minfps_qualitymultiply.value)
2749
2750                         // adjust < 0 if:
2751                         //   (targetframetime - actualframetime) * f < 0
2752                         //   ((1.0 / cl_minfps.value) - actualframetime) * (cl_updatescreen_quality / actualframetime * cl_minfps_qualitymultiply.value) < 0
2753                         //   ((1.0 / cl_minfps.value) - actualframetime) < 0
2754                         //   -actualframetime) < -(1.0 / cl_minfps.value)
2755                         //   actualfps < cl_minfps.value
2756
2757                         /*
2758                         Con_Printf("adjust UP if fps > %f, adjust DOWN if fps < %f\n",
2759                                         cl_minfps.value * (1.0 + cl_minfps_qualityhysteresis.value / cl_minfps_qualitymultiply.value),
2760                                         cl_minfps.value);
2761                         */
2762
2763                         // don't adjust too much at once
2764                         adjust = bound(-cl_minfps_qualitystepmax.value, adjust, cl_minfps_qualitystepmax.value);
2765
2766                         // adjust!
2767                         cl_updatescreen_quality += adjust;
2768                         cl_updatescreen_quality = bound(max(0.01, cl_minfps_qualitymin.value), cl_updatescreen_quality, cl_minfps_qualitymax.value);
2769                 }
2770                 else
2771                 {
2772                         cl_updatescreen_quality = 1;
2773                         r_refdef.lastdrawscreentime = 0;
2774                 }
2775         }
2776
2777         drawscreenstart = Sys_DirtyTime();
2778
2779         Sbar_ShowFPS_Update();
2780
2781         if (!scr_initialized || !con_initialized || !scr_refresh.integer)
2782                 return;                         // not initialized yet
2783
2784         loadingscreendone = false;
2785
2786         if(IS_NEXUIZ_DERIVED(gamemode))
2787         {
2788                 // play a bit with the palette (experimental)
2789                 palette_rgb_pantscolormap[15][0] = (unsigned char) (128 + 127 * sin(cl.time / exp(1.0f) + 0.0f*M_PI/3.0f));
2790                 palette_rgb_pantscolormap[15][1] = (unsigned char) (128 + 127 * sin(cl.time / exp(1.0f) + 2.0f*M_PI/3.0f));
2791                 palette_rgb_pantscolormap[15][2] = (unsigned char) (128 + 127 * sin(cl.time / exp(1.0f) + 4.0f*M_PI/3.0f));
2792                 palette_rgb_shirtcolormap[15][0] = (unsigned char) (128 + 127 * sin(cl.time /  M_PI  + 5.0f*M_PI/3.0f));
2793                 palette_rgb_shirtcolormap[15][1] = (unsigned char) (128 + 127 * sin(cl.time /  M_PI  + 3.0f*M_PI/3.0f));
2794                 palette_rgb_shirtcolormap[15][2] = (unsigned char) (128 + 127 * sin(cl.time /  M_PI  + 1.0f*M_PI/3.0f));
2795                 memcpy(palette_rgb_pantsscoreboard[15], palette_rgb_pantscolormap[15], sizeof(*palette_rgb_pantscolormap));
2796                 memcpy(palette_rgb_shirtscoreboard[15], palette_rgb_shirtcolormap[15], sizeof(*palette_rgb_shirtcolormap));
2797         }
2798
2799         if (vid_hidden)
2800         {
2801                 VID_Finish();
2802                 return;
2803         }
2804
2805         SCR_UpdateVars();
2806
2807         R_FrameData_NewFrame();
2808         R_BufferData_NewFrame();
2809
2810         Matrix4x4_OriginFromMatrix(&r_refdef.view.matrix, vieworigin);
2811         R_HDR_UpdateIrisAdaptation(vieworigin);
2812
2813         r_refdef.view.colormask[0] = 1;
2814         r_refdef.view.colormask[1] = 1;
2815         r_refdef.view.colormask[2] = 1;
2816
2817         SCR_SetUpToDrawConsole();
2818
2819 #ifndef USE_GLES2
2820         CHECKGLERROR
2821         qglDrawBuffer(GL_BACK);CHECKGLERROR
2822 #endif
2823
2824         R_Viewport_InitOrtho(&viewport, &identitymatrix, 0, 0, vid.width, vid.height, 0, 0, vid_conwidth.integer, vid_conheight.integer, -10, 100, NULL);
2825         R_Mesh_SetRenderTargets(0, NULL, NULL, NULL, NULL, NULL);
2826         R_SetViewport(&viewport);
2827         GL_ScissorTest(false);
2828         GL_ColorMask(1,1,1,1);
2829         GL_DepthMask(true);
2830
2831         R_ClearScreen(false);
2832         r_refdef.view.clear = false;
2833         r_refdef.view.isoverlay = false;
2834
2835         // calculate r_refdef.view.quality
2836         r_refdef.view.quality = cl_updatescreen_quality;
2837
2838         if(scr_stipple.integer)
2839         {
2840                 Con_Print("FIXME: scr_stipple not implemented\n");
2841                 Cvar_SetValueQuick(&scr_stipple, 0);
2842         }
2843
2844 #ifndef USE_GLES2
2845         if (R_Stereo_Active())
2846         {
2847                 r_stereo_side = 0;
2848
2849                 if (r_stereo_redblue.integer || r_stereo_redgreen.integer || r_stereo_redcyan.integer)
2850                 {
2851                         r_refdef.view.colormask[0] = 1;
2852                         r_refdef.view.colormask[1] = 0;
2853                         r_refdef.view.colormask[2] = 0;
2854                 }
2855
2856                 if (vid.stereobuffer)
2857                         qglDrawBuffer(GL_BACK_RIGHT);
2858
2859                 SCR_DrawScreen();
2860
2861                 r_stereo_side = 1;
2862                 r_refdef.view.clear = true;
2863
2864                 if (r_stereo_redblue.integer || r_stereo_redgreen.integer || r_stereo_redcyan.integer)
2865                 {
2866                         r_refdef.view.colormask[0] = 0;
2867                         r_refdef.view.colormask[1] = r_stereo_redcyan.integer || r_stereo_redgreen.integer;
2868                         r_refdef.view.colormask[2] = r_stereo_redcyan.integer || r_stereo_redblue.integer;
2869                 }
2870
2871                 if (vid.stereobuffer)
2872                         qglDrawBuffer(GL_BACK_LEFT);
2873
2874                 SCR_DrawScreen();
2875                 r_stereo_side = 0;
2876         }
2877         else
2878 #endif
2879         {
2880                 r_stereo_side = 0;
2881                 SCR_DrawScreen();
2882         }
2883
2884 #ifdef CONFIG_VIDEO_CAPTURE
2885         SCR_CaptureVideo();
2886 #endif
2887
2888         qglFlush(); // ensure that the commands are submitted to the GPU before we do other things
2889
2890         if (!vid_activewindow)
2891                 VID_SetMouse(false, false, false);
2892         else if (key_consoleactive)
2893                 VID_SetMouse(vid.fullscreen, false, false);
2894         else if (key_dest == key_menu_grabbed)
2895                 VID_SetMouse(true, vid_mouse.integer && !in_client_mouse && !vid_touchscreen.integer, !vid_touchscreen.integer);
2896         else if (key_dest == key_menu)
2897                 VID_SetMouse(vid.fullscreen, vid_mouse.integer && !in_client_mouse && !vid_touchscreen.integer, !vid_touchscreen.integer);
2898         else
2899                 VID_SetMouse(vid.fullscreen, vid_mouse.integer && !cl.csqc_wantsmousemove && cl_prydoncursor.integer <= 0 && (!cls.demoplayback || cl_demo_mousegrab.integer) && !vid_touchscreen.integer, !vid_touchscreen.integer);
2900
2901         VID_Finish();
2902 }
2903
2904 void CL_Screen_NewMap(void)
2905 {
2906 }