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, "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 net_graph = {CVAR_CLIENT | CVAR_SAVE, "net_graph", "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 extern int cl_punchangle_applied;
 129
 130 static void SCR_ScreenShot_f(cmd_state_t *cmd);
 131 static void R_Envmap_f(cmd_state_t *cmd);
 132
 133 // backend
 134 void R_ClearScreen(qboolean fogcolor);
 135
 136 /*
 137 ===============================================================================
 138
 139 CENTER PRINTING
 140
 141 ===============================================================================
 142 */
 143
 144 char            scr_centerstring[MAX_INPUTLINE];
 145 float           scr_centertime_start;   // for slow victory printing
 146 float           scr_centertime_off;
 147 int                     scr_center_lines;
 148 int                     scr_erase_lines;
 149 int                     scr_erase_center;
 150 char        scr_infobarstring[MAX_INPUTLINE];
 151 float       scr_infobartime_off;
 152
 153 /*
 154 ==============
 155 SCR_CenterPrint
 156
 157 Called for important messages that should stay in the center of the screen
 158 for a few moments
 159 ==============
 160 */
 161 void SCR_CenterPrint(const char *str)
 162 {
 163         strlcpy (scr_centerstring, str, sizeof (scr_centerstring));
 164         scr_centertime_off = scr_centertime.value;
 165         scr_centertime_start = cl.time;
 166
 167 // count the number of lines for centering
 168         scr_center_lines = 1;
 169         while (*str)
 170         {
 171                 if (*str == '\n')
 172                         scr_center_lines++;
 173                 str++;
 174         }
 175 }
 176
 177
 178 static void SCR_DrawCenterString (void)
 179 {
 180         char    *start;
 181         int             x, y;
 182         int             remaining;
 183         int             color;
 184
 185         if(cl.intermission == 2) // in finale,
 186                 if(sb_showscores) // make TAB hide the finale message (sb_showscores overrides finale in sbar.c)
 187                         return;
 188
 189         if(scr_centertime.value <= 0 && !cl.intermission)
 190                 return;
 191
 192 // the finale prints the characters one at a time, except if printspeed is an absurdly high value
 193         if (cl.intermission && scr_printspeed.value > 0 && scr_printspeed.value < 1000000)
 194                 remaining = (int)(scr_printspeed.value * (cl.time - scr_centertime_start));
 195         else
 196                 remaining = 9999;
 197
 198         scr_erase_center = 0;
 199         start = scr_centerstring;
 200
 201         if (remaining < 1)
 202                 return;
 203
 204         if (scr_center_lines <= 4)
 205                 y = (int)(vid_conheight.integer*0.35);
 206         else
 207                 y = 48;
 208
 209         color = -1;
 210         do
 211         {
 212                 // scan the number of characters on the line, not counting color codes
 213                 char *newline = strchr(start, '\n');
 214                 int l = newline ? (newline - start) : (int)strlen(start);
 215                 float width = DrawQ_TextWidth(start, l, 8, 8, false, FONT_CENTERPRINT);
 216
 217                 x = (int) (vid_conwidth.integer - width)/2;
 218                 if (l > 0)
 219                 {
 220                         if (remaining < l)
 221                                 l = remaining;
 222                         DrawQ_String(x, y, start, l, 8, 8, 1, 1, 1, 1, 0, &color, false, FONT_CENTERPRINT);
 223                         remaining -= l;
 224                         if (remaining <= 0)
 225                                 return;
 226                 }
 227                 y += 8;
 228
 229                 if (!newline)
 230                         break;
 231                 start = newline + 1; // skip the \n
 232         } while (1);
 233 }
 234
 235 static void SCR_CheckDrawCenterString (void)
 236 {
 237         if (scr_center_lines > scr_erase_lines)
 238                 scr_erase_lines = scr_center_lines;
 239
 240         if (cl.time > cl.oldtime)
 241                 scr_centertime_off -= cl.time - cl.oldtime;
 242
 243         // don't draw if this is a normal stats-screen intermission,
 244         // only if it is not an intermission, or a finale intermission
 245         if (cl.intermission == 1)
 246                 return;
 247         if (scr_centertime_off <= 0 && !cl.intermission)
 248                 return;
 249         if (key_dest != key_game)
 250                 return;
 251
 252         SCR_DrawCenterString ();
 253 }
 254
 255 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)
 256 {
 257         netgraphitem_t *graph;
 258         int j, x, y;
 259         int totalbytes = 0;
 260         char bytesstring[128];
 261         float g[NETGRAPH_PACKETS][7];
 262         float *a;
 263         float *b;
 264         DrawQ_Fill(graphx, graphy, graphwidth, graphheight + textsize * 2, 0, 0, 0, 0.5, 0);
 265         // draw the bar graph itself
 266         memset(g, 0, sizeof(g));
 267         for (j = 0;j < NETGRAPH_PACKETS;j++)
 268         {
 269                 graph = netgraph + j;
 270                 g[j][0] = 1.0f - 0.25f * (host.realtime - graph->time);
 271                 g[j][1] = 1.0f;
 272                 g[j][2] = 1.0f;
 273                 g[j][3] = 1.0f;
 274                 g[j][4] = 1.0f;
 275                 g[j][5] = 1.0f;
 276                 g[j][6] = 1.0f;
 277                 if (graph->unreliablebytes == NETGRAPH_LOSTPACKET)
 278                         g[j][1] = 0.00f;
 279                 else if (graph->unreliablebytes == NETGRAPH_CHOKEDPACKET)
 280                         g[j][2] = 0.90f;
 281                 else
 282                 {
 283                         if(netgraph[j].time >= netgraph[(j+NETGRAPH_PACKETS-1)%NETGRAPH_PACKETS].time)
 284                                 if(graph->unreliablebytes + graph->reliablebytes + graph->ackbytes >= graphlimit * (netgraph[j].time - netgraph[(j+NETGRAPH_PACKETS-1)%NETGRAPH_PACKETS].time))
 285                                         g[j][2] = 0.98f;
 286                         g[j][3] = 1.0f    - graph->unreliablebytes * graphscale;
 287                         g[j][4] = g[j][3] - graph->reliablebytes   * graphscale;
 288                         g[j][5] = g[j][4] - graph->ackbytes        * graphscale;
 289                         // count bytes in the last second
 290                         if (host.realtime - graph->time < 1.0f)
 291                                 totalbytes += graph->unreliablebytes + graph->reliablebytes + graph->ackbytes;
 292                 }
 293                 if(graph->cleartime >= 0)
 294                         g[j][6] = 0.5f + 0.5f * (2.0 / M_PI) * atan((M_PI / 2.0) * (graph->cleartime - graph->time));
 295                 g[j][1] = bound(0.0f, g[j][1], 1.0f);
 296                 g[j][2] = bound(0.0f, g[j][2], 1.0f);
 297                 g[j][3] = bound(0.0f, g[j][3], 1.0f);
 298                 g[j][4] = bound(0.0f, g[j][4], 1.0f);
 299                 g[j][5] = bound(0.0f, g[j][5], 1.0f);
 300                 g[j][6] = bound(0.0f, g[j][6], 1.0f);
 301         }
 302         // render the lines for the graph
 303         for (j = 0;j < NETGRAPH_PACKETS;j++)
 304         {
 305                 a = g[j];
 306                 b = g[(j+1)%NETGRAPH_PACKETS];
 307                 if (a[0] < 0.0f || b[0] > 1.0f || b[0] < a[0])
 308                         continue;
 309                 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);
 310                 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);
 311                 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);
 312                 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);
 313                 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);
 314                 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);
 315         }
 316         x = graphx;
 317         y = graphy + graphheight;
 318         dpsnprintf(bytesstring, sizeof(bytesstring), "%i", totalbytes);
 319         DrawQ_String(x, y, label      , 0, textsize, textsize, 1.0f, 1.0f, 1.0f, 1.0f, 0, NULL, false, FONT_DEFAULT);y += textsize;
 320         DrawQ_String(x, y, bytesstring, 0, textsize, textsize, 1.0f, 1.0f, 1.0f, 1.0f, 0, NULL, false, FONT_DEFAULT);y += textsize;
 321 }
 322
 323 /*
 324 ==============
 325 SCR_DrawNetGraph
 326 ==============
 327 */
 328 static void SCR_DrawNetGraph (void)
 329 {
 330         int i, separator1, separator2, graphwidth, graphheight, netgraph_x, netgraph_y, textsize, index, netgraphsperrow, graphlimit;
 331         float graphscale;
 332         netconn_t *c;
 333         char vabuf[1024];
 334
 335         if (cls.state != ca_connected)
 336                 return;
 337         if (!cls.netcon)
 338                 return;
 339         if (!net_graph.integer)
 340                 return;
 341
 342         separator1 = 2;
 343         separator2 = 4;
 344         textsize = 8;
 345         graphwidth = 120;
 346         graphheight = 70;
 347         graphscale = 1.0f / 1500.0f;
 348         graphlimit = cl_rate.integer;
 349
 350         netgraphsperrow = (vid_conwidth.integer + separator2) / (graphwidth * 2 + separator1 + separator2);
 351         netgraphsperrow = max(netgraphsperrow, 1);
 352
 353         index = 0;
 354         netgraph_x = (vid_conwidth.integer + separator2) - (1 + (index % netgraphsperrow)) * (graphwidth * 2 + separator1 + separator2);
 355         netgraph_y = (vid_conheight.integer - 48 - sbar_info_pos.integer + separator2) - (1 + (index / netgraphsperrow)) * (graphheight + textsize + separator2);
 356         c = cls.netcon;
 357         SCR_DrawNetGraph_DrawGraph(netgraph_x                          , netgraph_y, graphwidth, graphheight, graphscale, graphlimit, "incoming", textsize, c->incoming_packetcounter, c->incoming_netgraph);
 358         SCR_DrawNetGraph_DrawGraph(netgraph_x + graphwidth + separator1, netgraph_y, graphwidth, graphheight, graphscale, graphlimit, "outgoing", textsize, c->outgoing_packetcounter, c->outgoing_netgraph);
 359         index++;
 360
 361         if (sv.active && net_graph.integer >= 2)
 362         {
 363                 for (i = 0;i < svs.maxclients;i++)
 364                 {
 365                         c = svs.clients[i].netconnection;
 366                         if (!c)
 367                                 continue;
 368                         netgraph_x = (vid_conwidth.integer + separator2) - (1 + (index % netgraphsperrow)) * (graphwidth * 2 + separator1 + separator2);
 369                         netgraph_y = (vid_conheight.integer - 48 + separator2) - (1 + (index / netgraphsperrow)) * (graphheight + textsize + separator2);
 370                         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);
 371                         SCR_DrawNetGraph_DrawGraph(netgraph_x + graphwidth + separator1, netgraph_y, graphwidth, graphheight, graphscale, graphlimit, ""                           , textsize, c->incoming_packetcounter, c->incoming_netgraph);
 372                         index++;
 373                 }
 374         }
 375 }
 376
 377 /*
 378 ==============
 379 SCR_DrawTurtle
 380 ==============
 381 */
 382 static void SCR_DrawTurtle (void)
 383 {
 384         static int      count;
 385
 386         if (cls.state != ca_connected)
 387                 return;
 388
 389         if (!scr_showturtle.integer)
 390                 return;
 391
 392         if (cl.realframetime < 0.1)
 393         {
 394                 count = 0;
 395                 return;
 396         }
 397
 398         count++;
 399         if (count < 3)
 400                 return;
 401
 402         DrawQ_Pic (0, 0, Draw_CachePic ("gfx/turtle"), 0, 0, 1, 1, 1, 1, 0);
 403 }
 404
 405 /*
 406 ==============
 407 SCR_DrawNet
 408 ==============
 409 */
 410 static void SCR_DrawNet (void)
 411 {
 412         if (cls.state != ca_connected)
 413                 return;
 414         if (host.realtime - cl.last_received_message < 0.3)
 415                 return;
 416         if (cls.demoplayback)
 417                 return;
 418
 419         DrawQ_Pic (64, 0, Draw_CachePic ("gfx/net"), 0, 0, 1, 1, 1, 1, 0);
 420 }
 421
 422 /*
 423 ==============
 424 DrawPause
 425 ==============
 426 */
 427 static void SCR_DrawPause (void)
 428 {
 429         cachepic_t      *pic;
 430
 431         if (cls.state != ca_connected)
 432                 return;
 433
 434         if (!scr_showpause.integer)             // turn off for screenshots
 435                 return;
 436
 437         if (!cl.paused)
 438                 return;
 439
 440         pic = Draw_CachePic ("gfx/pause");
 441         DrawQ_Pic ((vid_conwidth.integer - Draw_GetPicWidth(pic))/2, (vid_conheight.integer - Draw_GetPicHeight(pic))/2, pic, 0, 0, 1, 1, 1, 1, 0);
 442 }
 443
 444 /*
 445 ==============
 446 SCR_DrawBrand
 447 ==============
 448 */
 449 static void SCR_DrawBrand (void)
 450 {
 451         cachepic_t      *pic;
 452         float           x, y;
 453
 454         if (!scr_showbrand.value)
 455                 return;
 456
 457         pic = Draw_CachePic ("gfx/brand");
 458
 459         switch ((int)scr_showbrand.value)
 460         {
 461         case 1: // bottom left
 462                 x = 0;
 463                 y = vid_conheight.integer - Draw_GetPicHeight(pic);
 464                 break;
 465         case 2: // bottom centre
 466                 x = (vid_conwidth.integer - Draw_GetPicWidth(pic)) / 2;
 467                 y = vid_conheight.integer - Draw_GetPicHeight(pic);
 468                 break;
 469         case 3: // bottom right
 470                 x = vid_conwidth.integer - Draw_GetPicWidth(pic);
 471                 y = vid_conheight.integer - Draw_GetPicHeight(pic);
 472                 break;
 473         case 4: // centre right
 474                 x = vid_conwidth.integer - Draw_GetPicWidth(pic);
 475                 y = (vid_conheight.integer - Draw_GetPicHeight(pic)) / 2;
 476                 break;
 477         case 5: // top right
 478                 x = vid_conwidth.integer - Draw_GetPicWidth(pic);
 479                 y = 0;
 480                 break;
 481         case 6: // top centre
 482                 x = (vid_conwidth.integer - Draw_GetPicWidth(pic)) / 2;
 483                 y = 0;
 484                 break;
 485         case 7: // top left
 486                 x = 0;
 487                 y = 0;
 488                 break;
 489         case 8: // centre left
 490                 x = 0;
 491                 y = (vid_conheight.integer - Draw_GetPicHeight(pic)) / 2;
 492                 break;
 493         default:
 494                 return;
 495         }
 496
 497         DrawQ_Pic (x, y, pic, 0, 0, 1, 1, 1, 1, 0);
 498 }
 499
 500 /*
 501 ==============
 502 SCR_DrawQWDownload
 503 ==============
 504 */
 505 static int SCR_DrawQWDownload(int offset)
 506 {
 507         // sync with SCR_InfobarHeight
 508         int len;
 509         float x, y;
 510         float size = scr_infobar_height.value;
 511         char temp[256];
 512
 513         if (!cls.qw_downloadname[0])
 514         {
 515                 cls.qw_downloadspeedrate = 0;
 516                 cls.qw_downloadspeedtime = host.realtime;
 517                 cls.qw_downloadspeedcount = 0;
 518                 return 0;
 519         }
 520         if (host.realtime >= cls.qw_downloadspeedtime + 1)
 521         {
 522                 cls.qw_downloadspeedrate = cls.qw_downloadspeedcount;
 523                 cls.qw_downloadspeedtime = host.realtime;
 524                 cls.qw_downloadspeedcount = 0;
 525         }
 526         if (cls.protocol == PROTOCOL_QUAKEWORLD)
 527                 dpsnprintf(temp, sizeof(temp), "Downloading %s %3i%% (%i) at %i bytes/s", cls.qw_downloadname, cls.qw_downloadpercent, cls.qw_downloadmemorycursize, cls.qw_downloadspeedrate);
 528         else
 529                 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);
 530         len = (int)strlen(temp);
 531         x = (vid_conwidth.integer - DrawQ_TextWidth(temp, len, size, size, true, FONT_INFOBAR)) / 2;
 532         y = vid_conheight.integer - size - offset;
 533         DrawQ_Fill(0, y, vid_conwidth.integer, size, 0, 0, 0, cls.signon == SIGNONS ? 0.5 : 1, 0);
 534         DrawQ_String(x, y, temp, len, size, size, 1, 1, 1, 1, 0, NULL, true, FONT_INFOBAR);
 535         return size;
 536 }
 537 /*
 538 ==============
 539 SCR_DrawInfobarString
 540 ==============
 541 */
 542 static int SCR_DrawInfobarString(int offset)
 543 {
 544         int len;
 545         float x, y;
 546         float size = scr_infobar_height.value;
 547
 548         len = (int)strlen(scr_infobarstring);
 549         x = (vid_conwidth.integer - DrawQ_TextWidth(scr_infobarstring, len, size, size, false, FONT_INFOBAR)) / 2;
 550         y = vid_conheight.integer - size - offset;
 551         DrawQ_Fill(0, y, vid_conwidth.integer, size, 0, 0, 0, cls.signon == SIGNONS ? 0.5 : 1, 0);
 552         DrawQ_String(x, y, scr_infobarstring, len, size, size, 1, 1, 1, 1, 0, NULL, false, FONT_INFOBAR);
 553         return size;
 554 }
 555
 556 /*
 557 ==============
 558 SCR_DrawCurlDownload
 559 ==============
 560 */
 561 static int SCR_DrawCurlDownload(int offset)
 562 {
 563         // sync with SCR_InfobarHeight
 564         int len;
 565         int nDownloads;
 566         int i;
 567         float x, y;
 568         float size = scr_infobar_height.value;
 569         Curl_downloadinfo_t *downinfo;
 570         char temp[256];
 571         char addinfobuf[128];
 572         const char *addinfo;
 573
 574         downinfo = Curl_GetDownloadInfo(&nDownloads, &addinfo, addinfobuf, sizeof(addinfobuf));
 575         if(!downinfo)
 576                 return 0;
 577
 578         y = vid_conheight.integer - size * nDownloads - offset;
 579
 580         if(addinfo)
 581         {
 582                 len = (int)strlen(addinfo);
 583                 x = (vid_conwidth.integer - DrawQ_TextWidth(addinfo, len, size, size, true, FONT_INFOBAR)) / 2;
 584                 DrawQ_Fill(0, y - size, vid_conwidth.integer, size, 1, 1, 1, cls.signon == SIGNONS ? 0.8 : 1, 0);
 585                 DrawQ_String(x, y - size, addinfo, len, size, size, 0, 0, 0, 1, 0, NULL, true, FONT_INFOBAR);
 586         }
 587
 588         for(i = 0; i != nDownloads; ++i)
 589         {
 590                 if(downinfo[i].queued)
 591                         dpsnprintf(temp, sizeof(temp), "Still in queue: %s", downinfo[i].filename);
 592                 else if(downinfo[i].progress <= 0)
 593                         dpsnprintf(temp, sizeof(temp), "Downloading %s ...  ???.?%% @ %.1f KiB/s", downinfo[i].filename, downinfo[i].speed / 1024.0);
 594                 else
 595                         dpsnprintf(temp, sizeof(temp), "Downloading %s ...  %5.1f%% @ %.1f KiB/s", downinfo[i].filename, 100.0 * downinfo[i].progress, downinfo[i].speed / 1024.0);
 596                 len = (int)strlen(temp);
 597                 x = (vid_conwidth.integer - DrawQ_TextWidth(temp, len, size, size, true, FONT_INFOBAR)) / 2;
 598                 DrawQ_Fill(0, y + i * size, vid_conwidth.integer, size, 0, 0, 0, cls.signon == SIGNONS ? 0.5 : 1, 0);
 599                 DrawQ_String(x, y + i * size, temp, len, size, size, 1, 1, 1, 1, 0, NULL, true, FONT_INFOBAR);
 600         }
 601
 602         Z_Free(downinfo);
 603
 604         return size * (nDownloads + (addinfo ? 1 : 0));
 605 }
 606
 607 /*
 608 ==============
 609 SCR_DrawInfobar
 610 ==============
 611 */
 612 static void SCR_DrawInfobar(void)
 613 {
 614         int offset = 0;
 615         offset += SCR_DrawQWDownload(offset);
 616         offset += SCR_DrawCurlDownload(offset);
 617         if(scr_infobartime_off > 0)
 618                 offset += SCR_DrawInfobarString(offset);
 619         if(offset != scr_con_margin_bottom)
 620                 Con_DPrintf("broken console margin calculation: %d != %d\n", offset, scr_con_margin_bottom);
 621 }
 622
 623 static int SCR_InfobarHeight(void)
 624 {
 625         int offset = 0;
 626         Curl_downloadinfo_t *downinfo;
 627         const char *addinfo;
 628         int nDownloads;
 629         char addinfobuf[128];
 630
 631         if (cl.time > cl.oldtime)
 632                 scr_infobartime_off -= cl.time - cl.oldtime;
 633         if(scr_infobartime_off > 0)
 634                 offset += 1;
 635         if(cls.qw_downloadname[0])
 636                 offset += 1;
 637
 638         downinfo = Curl_GetDownloadInfo(&nDownloads, &addinfo, addinfobuf, sizeof(addinfobuf));
 639         if(downinfo)
 640         {
 641                 offset += (nDownloads + (addinfo ? 1 : 0));
 642                 Z_Free(downinfo);
 643         }
 644         offset *= scr_infobar_height.value;
 645
 646         return offset;
 647 }
 648
 649 /*
 650 ==============
 651 SCR_InfoBar_f
 652 ==============
 653 */
 654 static void SCR_InfoBar_f(cmd_state_t *cmd)
 655 {
 656         if(Cmd_Argc(cmd) == 3)
 657         {
 658                 scr_infobartime_off = atof(Cmd_Argv(cmd, 1));
 659                 strlcpy(scr_infobarstring, Cmd_Argv(cmd, 2), sizeof(scr_infobarstring));
 660         }
 661         else
 662         {
 663                 Con_Printf("usage:\ninfobar expiretime \"string\"\n");
 664         }
 665 }
 666 //=============================================================================
 667
 668 /*
 669 ==================
 670 SCR_SetUpToDrawConsole
 671 ==================
 672 */
 673 static void SCR_SetUpToDrawConsole (void)
 674 {
 675         // lines of console to display
 676         float conlines;
 677 #ifdef CONFIG_MENU
 678         static int framecounter = 0;
 679 #endif
 680
 681         Con_CheckResize ();
 682
 683 #ifdef CONFIG_MENU
 684         if (scr_menuforcewhiledisconnected.integer && key_dest == key_game && cls.state == ca_disconnected)
 685         {
 686                 if (framecounter >= 2)
 687                         MR_ToggleMenu(1);
 688                 else
 689                         framecounter++;
 690         }
 691         else
 692                 framecounter = 0;
 693 #endif
 694
 695         if (scr_conforcewhiledisconnected.integer >= 2 && key_dest == key_game && cls.signon != SIGNONS)
 696                 key_consoleactive |= KEY_CONSOLEACTIVE_FORCED;
 697         else if (scr_conforcewhiledisconnected.integer >= 1 && key_dest == key_game && cls.signon != SIGNONS && !sv.active)
 698                 key_consoleactive |= KEY_CONSOLEACTIVE_FORCED;
 699         else
 700                 key_consoleactive &= ~KEY_CONSOLEACTIVE_FORCED;
 701
 702 // decide on the height of the console
 703         if (key_consoleactive & KEY_CONSOLEACTIVE_USER)
 704                 conlines = vid_conheight.integer/2;     // half screen
 705         else
 706                 conlines = 0;                           // none visible
 707
 708         scr_con_current = conlines;
 709 }
 710
 711 /*
 712 ==================
 713 SCR_DrawConsole
 714 ==================
 715 */
 716 void SCR_DrawConsole (void)
 717 {
 718         scr_con_margin_bottom = SCR_InfobarHeight();
 719         if (key_consoleactive & KEY_CONSOLEACTIVE_FORCED)
 720         {
 721                 // full screen
 722                 Con_DrawConsole (vid_conheight.integer - scr_con_margin_bottom);
 723         }
 724         else if (scr_con_current)
 725                 Con_DrawConsole (min((int)scr_con_current, vid_conheight.integer - scr_con_margin_bottom));
 726         else
 727                 con_vislines = 0;
 728 }
 729
 730 qboolean scr_loading = false;
 731
 732 /*
 733 ===============
 734 SCR_BeginLoadingPlaque
 735
 736 ================
 737 */
 738 void SCR_BeginLoadingPlaque (qboolean startup)
 739 {
 740         scr_loading = true;
 741         SCR_UpdateLoadingScreen(false, startup);
 742 }
 743
 744 void SCR_EndLoadingPlaque(void)
 745 {
 746         scr_loading = false;
 747 }
 748
 749 //=============================================================================
 750
 751 const char *r_stat_name[r_stat_count] =
 752 {
 753         "timedelta",
 754         "quality",
 755         "renders",
 756         "entities",
 757         "entities_surfaces",
 758         "entities_triangles",
 759         "world_leafs",
 760         "world_portals",
 761         "world_surfaces",
 762         "world_triangles",
 763         "lightmapupdates",
 764         "lightmapupdatepixels",
 765         "particles",
 766         "drawndecals",
 767         "totaldecals",
 768         "draws",
 769         "draws_vertices",
 770         "draws_elements",
 771         "lights",
 772         "lights_clears",
 773         "lights_scissored",
 774         "lights_lighttriangles",
 775         "lights_shadowtriangles",
 776         "lights_dynamicshadowtriangles",
 777         "bouncegrid_lights",
 778         "bouncegrid_particles",
 779         "bouncegrid_traces",
 780         "bouncegrid_hits",
 781         "bouncegrid_splats",
 782         "bouncegrid_bounces",
 783         "photoncache_animated",
 784         "photoncache_cached",
 785         "photoncache_traced",
 786         "bloom",
 787         "bloom_copypixels",
 788         "bloom_drawpixels",
 789         "rendertargets_used",
 790         "rendertargets_pixels",
 791         "indexbufferuploadcount",
 792         "indexbufferuploadsize",
 793         "vertexbufferuploadcount",
 794         "vertexbufferuploadsize",
 795         "framedatacurrent",
 796         "framedatasize",
 797         "bufferdatacurrent_vertex", // R_BUFFERDATA_ types are added to this index
 798         "bufferdatacurrent_index16",
 799         "bufferdatacurrent_index32",
 800         "bufferdatacurrent_uniform",
 801         "bufferdatasize_vertex", // R_BUFFERDATA_ types are added to this index
 802         "bufferdatasize_index16",
 803         "bufferdatasize_index32",
 804         "bufferdatasize_uniform",
 805         "animcache_skeletal_count",
 806         "animcache_skeletal_bones",
 807         "animcache_skeletal_maxbones",
 808         "animcache_shade_count",
 809         "animcache_shade_vertices",
 810         "animcache_shade_maxvertices",
 811         "animcache_shape_count",
 812         "animcache_shape_vertices",
 813         "animcache_shape_maxvertices",
 814         "batch_batches",
 815         "batch_withgaps",
 816         "batch_surfaces",
 817         "batch_vertices",
 818         "batch_triangles",
 819         "fast_batches",
 820         "fast_surfaces",
 821         "fast_vertices",
 822         "fast_triangles",
 823         "copytriangles_batches",
 824         "copytriangles_surfaces",
 825         "copytriangles_vertices",
 826         "copytriangles_triangles",
 827         "dynamic_batches",
 828         "dynamic_surfaces",
 829         "dynamic_vertices",
 830         "dynamic_triangles",
 831         "dynamicskeletal_batches",
 832         "dynamicskeletal_surfaces",
 833         "dynamicskeletal_vertices",
 834         "dynamicskeletal_triangles",
 835         "dynamic_batches_because_cvar",
 836         "dynamic_surfaces_because_cvar",
 837         "dynamic_vertices_because_cvar",
 838         "dynamic_triangles_because_cvar",
 839         "dynamic_batches_because_lightmapvertex",
 840         "dynamic_surfaces_because_lightmapvertex",
 841         "dynamic_vertices_because_lightmapvertex",
 842         "dynamic_triangles_because_lightmapvertex",
 843         "dynamic_batches_because_deformvertexes_autosprite",
 844         "dynamic_surfaces_because_deformvertexes_autosprite",
 845         "dynamic_vertices_because_deformvertexes_autosprite",
 846         "dynamic_triangles_because_deformvertexes_autosprite",
 847         "dynamic_batches_because_deformvertexes_autosprite2",
 848         "dynamic_surfaces_because_deformvertexes_autosprite2",
 849         "dynamic_vertices_because_deformvertexes_autosprite2",
 850         "dynamic_triangles_because_deformvertexes_autosprite2",
 851         "dynamic_batches_because_deformvertexes_normal",
 852         "dynamic_surfaces_because_deformvertexes_normal",
 853         "dynamic_vertices_because_deformvertexes_normal",
 854         "dynamic_triangles_because_deformvertexes_normal",
 855         "dynamic_batches_because_deformvertexes_wave",
 856         "dynamic_surfaces_because_deformvertexes_wave",
 857         "dynamic_vertices_because_deformvertexes_wave",
 858         "dynamic_triangles_because_deformvertexes_wave",
 859         "dynamic_batches_because_deformvertexes_bulge",
 860         "dynamic_surfaces_because_deformvertexes_bulge",
 861         "dynamic_vertices_because_deformvertexes_bulge",
 862         "dynamic_triangles_because_deformvertexes_bulge",
 863         "dynamic_batches_because_deformvertexes_move",
 864         "dynamic_surfaces_because_deformvertexes_move",
 865         "dynamic_vertices_because_deformvertexes_move",
 866         "dynamic_triangles_because_deformvertexes_move",
 867         "dynamic_batches_because_tcgen_lightmap",
 868         "dynamic_surfaces_because_tcgen_lightmap",
 869         "dynamic_vertices_because_tcgen_lightmap",
 870         "dynamic_triangles_because_tcgen_lightmap",
 871         "dynamic_batches_because_tcgen_vector",
 872         "dynamic_surfaces_because_tcgen_vector",
 873         "dynamic_vertices_because_tcgen_vector",
 874         "dynamic_triangles_because_tcgen_vector",
 875         "dynamic_batches_because_tcgen_environment",
 876         "dynamic_surfaces_because_tcgen_environment",
 877         "dynamic_vertices_because_tcgen_environment",
 878         "dynamic_triangles_because_tcgen_environment",
 879         "dynamic_batches_because_tcmod_turbulent",
 880         "dynamic_surfaces_because_tcmod_turbulent",
 881         "dynamic_vertices_because_tcmod_turbulent",
 882         "dynamic_triangles_because_tcmod_turbulent",
 883         "dynamic_batches_because_nogaps",
 884         "dynamic_surfaces_because_nogaps",
 885         "dynamic_vertices_because_nogaps",
 886         "dynamic_triangles_because_nogaps",
 887         "dynamic_batches_because_derived",
 888         "dynamic_surfaces_because_derived",
 889         "dynamic_vertices_because_derived",
 890         "dynamic_triangles_because_derived",
 891         "entitycache_count",
 892         "entitycache_surfaces",
 893         "entitycache_vertices",
 894         "entitycache_triangles",
 895         "entityanimate_count",
 896         "entityanimate_surfaces",
 897         "entityanimate_vertices",
 898         "entityanimate_triangles",
 899         "entityskeletal_count",
 900         "entityskeletal_surfaces",
 901         "entityskeletal_vertices",
 902         "entityskeletal_triangles",
 903         "entitystatic_count",
 904         "entitystatic_surfaces",
 905         "entitystatic_vertices",
 906         "entitystatic_triangles",
 907         "entitycustom_count",
 908         "entitycustom_surfaces",
 909         "entitycustom_vertices",
 910         "entitycustom_triangles",
 911 };
 912
 913 char r_speeds_timestring[4096];
 914 int speedstringcount, r_timereport_active;
 915 double r_timereport_temp = 0, r_timereport_current = 0, r_timereport_start = 0;
 916 int r_speeds_longestitem = 0;
 917
 918 void R_TimeReport(const char *desc)
 919 {
 920         char tempbuf[256];
 921         int length;
 922         int t;
 923
 924         if (r_speeds.integer < 2 || !r_timereport_active)
 925                 return;
 926
 927         CHECKGLERROR
 928         if (r_speeds.integer == 2)
 929                 GL_Finish();
 930         CHECKGLERROR
 931         r_timereport_temp = r_timereport_current;
 932         r_timereport_current = Sys_DirtyTime();
 933         t = (int) ((r_timereport_current - r_timereport_temp) * 1000000.0 + 0.5);
 934
 935         length = dpsnprintf(tempbuf, sizeof(tempbuf), "%8i %s", t, desc);
 936         if (length < 0)
 937                 length = (int)sizeof(tempbuf) - 1;
 938         if (r_speeds_longestitem < length)
 939                 r_speeds_longestitem = length;
 940         for (;length < r_speeds_longestitem;length++)
 941                 tempbuf[length] = ' ';
 942         tempbuf[length] = 0;
 943
 944         if (speedstringcount + length > (vid_conwidth.integer / 8))
 945         {
 946                 strlcat(r_speeds_timestring, "\n", sizeof(r_speeds_timestring));
 947                 speedstringcount = 0;
 948         }
 949         strlcat(r_speeds_timestring, tempbuf, sizeof(r_speeds_timestring));
 950         speedstringcount += length;
 951 }
 952
 953 static void R_TimeReport_BeginFrame(void)
 954 {
 955         speedstringcount = 0;
 956         r_speeds_timestring[0] = 0;
 957         r_timereport_active = false;
 958         memset(&r_refdef.stats, 0, sizeof(r_refdef.stats));
 959
 960         if (r_speeds.integer >= 2)
 961         {
 962                 r_timereport_active = true;
 963                 r_timereport_start = r_timereport_current = Sys_DirtyTime();
 964         }
 965 }
 966
 967 static int R_CountLeafTriangles(const dp_model_t *model, const mleaf_t *leaf)
 968 {
 969         int i, triangles = 0;
 970         for (i = 0;i < leaf->numleafsurfaces;i++)
 971                 triangles += model->data_surfaces[leaf->firstleafsurface[i]].num_triangles;
 972         return triangles;
 973 }
 974
 975 #define R_SPEEDS_GRAPH_COLORS 8
 976 #define R_SPEEDS_GRAPH_TEXTLENGTH 64
 977 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}};
 978
 979 extern cvar_t r_viewscale;
 980 extern float viewscalefpsadjusted;
 981 static void R_TimeReport_EndFrame(void)
 982 {
 983         int j, lines;
 984         cl_locnode_t *loc;
 985         char string[1024+4096];
 986         mleaf_t *viewleaf;
 987         static double oldtime = 0;
 988
 989         r_refdef.stats[r_stat_timedelta] = (int)((host.realtime - oldtime) * 1000000.0);
 990         oldtime = host.realtime;
 991         r_refdef.stats[r_stat_quality] = (int)(100 * r_refdef.view.quality);
 992
 993         string[0] = 0;
 994         if (r_speeds.integer)
 995         {
 996                 // put the location name in the r_speeds display as it greatly helps
 997                 // when creating loc files
 998                 loc = CL_Locs_FindNearest(cl.movement_origin);
 999                 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;
1000                 dpsnprintf(string, sizeof(string),
1001 "%6ius time delta %s%s %.3f cl.time%2.4f brightness\n"
1002 "%3i renders org:'%+8.2f %+8.2f %+8.2f' dir:'%+2.3f %+2.3f %+2.3f'\n"
1003 "%5i viewleaf%5i cluster%3i area%4i brushes%4i surfaces(%7i triangles)\n"
1004 "%7i surfaces%7i triangles %5i entities (%7i surfaces%7i triangles)\n"
1005 "%5i leafs%5i portals%6i/%6i particles%6i/%6i decals %3i%% quality\n"
1006 "%7i lightmap updates (%7i pixels)%8i/%8i framedata\n"
1007 "%4i lights%4i clears%4i scissored%7i light%7i shadow%7i dynamic\n"
1008 "bouncegrid:%4i lights%6i particles%6i traces%6i hits%6i splats%6i bounces\n"
1009 "photon cache efficiency:%6i cached%6i traced%6ianimated\n"
1010 "%6i draws%8i vertices%8i triangles bloompixels%8i copied%8i drawn\n"
1011 "%3i rendertargets%8i pixels\n"
1012 "updated%5i indexbuffers%8i bytes%5i vertexbuffers%8i bytes\n"
1013 "animcache%5ib gpuskeletal%7i vertices (%7i with normals)\n"
1014 "fastbatch%5i count%5i surfaces%7i vertices %7i triangles\n"
1015 "copytris%5i count%5i surfaces%7i vertices %7i triangles\n"
1016 "dynamic%5i count%5i surfaces%7i vertices%7i triangles\n"
1017 "%s"
1018 , r_refdef.stats[r_stat_timedelta], loc ? "Location: " : "", loc ? loc->name : "", cl.time, r_refdef.view.colorscale
1019 , 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]
1020 , 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
1021 , 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]
1022 , 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]
1023 , r_refdef.stats[r_stat_lightmapupdates], r_refdef.stats[r_stat_lightmapupdatepixels], r_refdef.stats[r_stat_framedatacurrent], r_refdef.stats[r_stat_framedatasize]
1024 , 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]
1025 , 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]
1026 , r_refdef.stats[r_stat_photoncache_cached], r_refdef.stats[r_stat_photoncache_traced], r_refdef.stats[r_stat_photoncache_animated]
1027 , 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]
1028 , r_refdef.stats[r_stat_rendertargets_used], r_refdef.stats[r_stat_rendertargets_pixels]
1029 , r_refdef.stats[r_stat_indexbufferuploadcount], r_refdef.stats[r_stat_indexbufferuploadsize], r_refdef.stats[r_stat_vertexbufferuploadcount], r_refdef.stats[r_stat_vertexbufferuploadsize]
1030 , r_refdef.stats[r_stat_animcache_skeletal_bones], r_refdef.stats[r_stat_animcache_shape_vertices], r_refdef.stats[r_stat_animcache_shade_vertices]
1031 , 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]
1032 , 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]
1033 , 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]
1034 , r_speeds_timestring);
1035         }
1036
1037         speedstringcount = 0;
1038         r_speeds_timestring[0] = 0;
1039         r_timereport_active = false;
1040
1041         if (r_speeds.integer >= 2)
1042         {
1043                 r_timereport_active = true;
1044                 r_timereport_start = r_timereport_current = Sys_DirtyTime();
1045         }
1046
1047         if (string[0])
1048         {
1049                 int i, y;
1050                 if (string[strlen(string)-1] == '\n')
1051                         string[strlen(string)-1] = 0;
1052                 lines = 1;
1053                 for (i = 0;string[i];i++)
1054                         if (string[i] == '\n')
1055                                 lines++;
1056                 y = vid_conheight.integer - sb_lines - lines * 8;
1057                 i = j = 0;
1058                 r_draw2d_force = true;
1059                 DrawQ_Fill(0, y, vid_conwidth.integer, lines * 8, 0, 0, 0, 0.5, 0);
1060                 while (string[i])
1061                 {
1062                         j = i;
1063                         while (string[i] && string[i] != '\n')
1064                                 i++;
1065                         if (i - j > 0)
1066                                 DrawQ_String(0, y, string + j, i - j, 8, 8, 1, 1, 1, 1, 0, NULL, true, FONT_DEFAULT);
1067                         if (string[i] == '\n')
1068                                 i++;
1069                         y += 8;
1070                 }
1071                 r_draw2d_force = false;
1072         }
1073
1074         if (r_speeds_graph_length.integer != bound(4, r_speeds_graph_length.integer, 8192))
1075                 Cvar_SetValueQuick(&r_speeds_graph_length, bound(4, r_speeds_graph_length.integer, 8192));
1076         if (fabs(r_speeds_graph_seconds.value - bound(0.1f, r_speeds_graph_seconds.value, 120.0f)) > 0.01f)
1077                 Cvar_SetValueQuick(&r_speeds_graph_seconds, bound(0.1f, r_speeds_graph_seconds.value, 120.0f));
1078         if (r_speeds_graph.integer)
1079         {
1080                 // if we currently have no graph data, reset the graph data entirely
1081                 int i;
1082                 if (!cls.r_speeds_graph_data)
1083                         for (i = 0;i < r_stat_count;i++)
1084                                 cls.r_speeds_graph_datamin[i] = cls.r_speeds_graph_datamax[i] = 0;
1085                 if (cls.r_speeds_graph_length != r_speeds_graph_length.integer)
1086                 {
1087                         int stat, index, d, graph_length, *graph_data;
1088                         cls.r_speeds_graph_length = r_speeds_graph_length.integer;
1089                         cls.r_speeds_graph_current = 0;
1090                         if (cls.r_speeds_graph_data)
1091                                 Mem_Free(cls.r_speeds_graph_data);
1092                         cls.r_speeds_graph_data = (int *)Mem_Alloc(cls.permanentmempool, cls.r_speeds_graph_length * sizeof(r_refdef.stats));
1093                         // initialize the graph to have the current values throughout history
1094                         graph_data = cls.r_speeds_graph_data;
1095                         graph_length = cls.r_speeds_graph_length;
1096                         index = 0;
1097                         for (stat = 0;stat < r_stat_count;stat++)
1098                         {
1099                                 d = r_refdef.stats[stat];
1100                                 if (stat == r_stat_timedelta)
1101                                         d = 0;
1102                                 for (i = 0;i < graph_length;i++)
1103                                         graph_data[index++] = d;
1104                         }
1105                 }
1106         }
1107         else
1108         {
1109                 if (cls.r_speeds_graph_length)
1110                 {
1111                         cls.r_speeds_graph_length = 0;
1112                         Mem_Free(cls.r_speeds_graph_data);
1113                         cls.r_speeds_graph_data = NULL;
1114                         cls.r_speeds_graph_current = 0;
1115                 }
1116         }
1117
1118         if (cls.r_speeds_graph_length)
1119         {
1120                 char legend[128];
1121                 int i;
1122                 const int *data;
1123                 float x, y, width, height, scalex, scaley;
1124                 int range_default = max(r_speeds_graph_maxdefault.integer, 1);
1125                 int color, stat, stats, index, range_min, range_max;
1126                 int graph_current, graph_length, *graph_data;
1127                 int statindex[R_SPEEDS_GRAPH_COLORS];
1128                 int sum;
1129
1130                 // add current stats to the graph_data
1131                 cls.r_speeds_graph_current++;
1132                 if (cls.r_speeds_graph_current >= cls.r_speeds_graph_length)
1133                         cls.r_speeds_graph_current = 0;
1134                 // poke each new stat into the current offset of its graph
1135                 graph_data = cls.r_speeds_graph_data;
1136                 graph_current = cls.r_speeds_graph_current;
1137                 graph_length = cls.r_speeds_graph_length;
1138                 for (stat = 0;stat < r_stat_count;stat++)
1139                         graph_data[stat * graph_length + graph_current] = r_refdef.stats[stat];
1140
1141                 // update the graph ranges
1142                 for (stat = 0;stat < r_stat_count;stat++)
1143                 {
1144                         if (cls.r_speeds_graph_datamin[stat] > r_refdef.stats[stat])
1145                                 cls.r_speeds_graph_datamin[stat] = r_refdef.stats[stat];
1146                         if (cls.r_speeds_graph_datamax[stat] < r_refdef.stats[stat])
1147                                 cls.r_speeds_graph_datamax[stat] = r_refdef.stats[stat];
1148                 }
1149
1150                 // force 2D drawing to occur even if r_render is 0
1151                 r_draw2d_force = true;
1152
1153                 // position the graph
1154                 width = r_speeds_graph_width.value;
1155                 height = r_speeds_graph_height.value;
1156                 x = bound(0, r_speeds_graph_x.value, vid_conwidth.value - width);
1157                 y = bound(0, r_speeds_graph_y.value, vid_conheight.value - height);
1158
1159                 // fill background with a pattern of gray and black at one second intervals
1160                 scalex = (float)width / (float)r_speeds_graph_seconds.value;
1161                 for (i = 0;i < r_speeds_graph_seconds.integer + 1;i++)
1162                 {
1163                         float x1 = x + width - (i + 1) * scalex;
1164                         float x2 = x + width - i * scalex;
1165                         if (x1 < x)
1166                                 x1 = x;
1167                         if (i & 1)
1168                                 DrawQ_Fill(x1, y, x2 - x1, height, 0.0f, 0.0f, 0.0f, 0.5f, 0);
1169                         else
1170                                 DrawQ_Fill(x1, y, x2 - x1, height, 0.2f, 0.2f, 0.2f, 0.5f, 0);
1171                 }
1172
1173                 // count how many stats match our pattern
1174                 stats = 0;
1175                 color = 0;
1176                 for (color = 0;color < R_SPEEDS_GRAPH_COLORS;color++)
1177                 {
1178                         // look at all stat names and find ones matching the filter
1179                         statindex[color] = -1;
1180                         if (!r_speeds_graph_filter[color].string)
1181                                 continue;
1182                         for (stat = 0;stat < r_stat_count;stat++)
1183                                 if (!strcmp(r_stat_name[stat], r_speeds_graph_filter[color].string))
1184                                         break;
1185                         if (stat >= r_stat_count)
1186                                 continue;
1187                         // record that this color is this stat for the line drawing loop
1188                         statindex[color] = stat;
1189                         // draw the legend text in the background of the graph
1190                         dpsnprintf(legend, sizeof(legend), "%10i :%s", graph_data[stat * graph_length + graph_current], r_stat_name[stat]);
1191                         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);
1192                         // count how many stats we need to graph in vertex buffer
1193                         stats++;
1194                 }
1195
1196                 if (stats)
1197                 {
1198                         // legend text is drawn after the graphs
1199                         // render the graph lines, we'll go back and render the legend text later
1200                         scalex = (float)width / (1000000.0 * r_speeds_graph_seconds.value);
1201                         stats = 0;
1202                         for (color = 0;color < R_SPEEDS_GRAPH_COLORS;color++)
1203                         {
1204                                 // look at all stat names and find ones matching the filter
1205                                 stat = statindex[color];
1206                                 if (stat < 0)
1207                                         continue;
1208                                 // prefer to graph stats with 0 base, but if they are
1209                                 // negative we have no choice
1210                                 range_min = cls.r_speeds_graph_datamin[stat];
1211                                 range_max = max(cls.r_speeds_graph_datamax[stat], range_min + range_default);
1212                                 // some stats we specifically override the graph scale on
1213                                 if (stat == r_stat_timedelta)
1214                                         range_max = r_speeds_graph_maxtimedelta.integer;
1215                                 scaley = height / (range_max - range_min);
1216                                 // generate lines (2 vertices each)
1217                                 // to deal with incomplete data we walk right to left
1218                                 data = graph_data + stat * graph_length;
1219                                 index = graph_current;
1220                                 sum = 0;
1221                                 for (i = 0;i < graph_length - 1;)
1222                                 {
1223                                         float x1, y1, x2, y2;
1224                                         x1 = max(x, x + width - sum * scalex);
1225                                         y1 = y + height - (data[index] - range_min) * scaley;
1226                                         sum += graph_data[r_stat_timedelta * graph_length + index];
1227                                         index--;
1228                                         if (index < 0)
1229                                                 index = graph_length - 1;
1230                                         i++;
1231                                         x2 = max(x, x + width - sum * scalex);
1232                                         y2 = y + height - (data[index] - range_min) * scaley;
1233                                         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);
1234                                 }
1235                         }
1236                 }
1237
1238                 // return to not drawing anything if r_render is 0
1239                 r_draw2d_force = false;
1240         }
1241
1242         memset(&r_refdef.stats, 0, sizeof(r_refdef.stats));
1243 }
1244
1245 /*
1246 =================
1247 SCR_SizeUp_f
1248
1249 Keybinding command
1250 =================
1251 */
1252 static void SCR_SizeUp_f(cmd_state_t *cmd)
1253 {
1254         Cvar_SetValueQuick(&scr_viewsize, scr_viewsize.value + 10);
1255 }
1256
1257
1258 /*
1259 =================
1260 SCR_SizeDown_f
1261
1262 Keybinding command
1263 =================
1264 */
1265 static void SCR_SizeDown_f(cmd_state_t *cmd)
1266 {
1267         Cvar_SetValueQuick(&scr_viewsize, scr_viewsize.value - 10);
1268 }
1269
1270 #ifdef CONFIG_VIDEO_CAPTURE
1271 void SCR_CaptureVideo_EndVideo(void);
1272 #endif
1273 void CL_Screen_Shutdown(void)
1274 {
1275 #ifdef CONFIG_VIDEO_CAPTURE
1276         SCR_CaptureVideo_EndVideo();
1277 #endif
1278 }
1279
1280 void CL_Screen_Init(void)
1281 {
1282         int i;
1283         Cvar_RegisterVariable (&scr_fov);
1284         Cvar_RegisterVariable (&scr_viewsize);
1285         Cvar_RegisterVariable (&scr_conalpha);
1286         Cvar_RegisterVariable (&scr_conalphafactor);
1287         Cvar_RegisterVariable (&scr_conalpha2factor);
1288         Cvar_RegisterVariable (&scr_conalpha3factor);
1289         Cvar_RegisterVariable (&scr_conscroll_x);
1290         Cvar_RegisterVariable (&scr_conscroll_y);
1291         Cvar_RegisterVariable (&scr_conscroll2_x);
1292         Cvar_RegisterVariable (&scr_conscroll2_y);
1293         Cvar_RegisterVariable (&scr_conscroll3_x);
1294         Cvar_RegisterVariable (&scr_conscroll3_y);
1295         Cvar_RegisterVariable (&scr_conbrightness);
1296         Cvar_RegisterVariable (&scr_conforcewhiledisconnected);
1297 #ifdef CONFIG_MENU
1298         Cvar_RegisterVariable (&scr_menuforcewhiledisconnected);
1299 #endif
1300         Cvar_RegisterVariable (&scr_loadingscreen_background);
1301         Cvar_RegisterVariable (&scr_loadingscreen_scale);
1302         Cvar_RegisterVariable (&scr_loadingscreen_scale_base);
1303         Cvar_RegisterVariable (&scr_loadingscreen_scale_limit);
1304         Cvar_RegisterVariable (&scr_loadingscreen_picture);
1305         Cvar_RegisterVariable (&scr_loadingscreen_count);
1306         Cvar_RegisterVariable (&scr_loadingscreen_firstforstartup);
1307         Cvar_RegisterVariable (&scr_loadingscreen_barcolor);
1308         Cvar_RegisterVariable (&scr_loadingscreen_barheight);
1309         Cvar_RegisterVariable (&scr_loadingscreen_maxfps);
1310         Cvar_RegisterVariable (&scr_infobar_height);
1311         Cvar_RegisterVariable (&scr_showram);
1312         Cvar_RegisterVariable (&scr_showturtle);
1313         Cvar_RegisterVariable (&scr_showpause);
1314         Cvar_RegisterVariable (&scr_showbrand);
1315         Cvar_RegisterVariable (&scr_centertime);
1316         Cvar_RegisterVariable (&scr_printspeed);
1317         Cvar_RegisterVariable (&vid_conwidth);
1318         Cvar_RegisterVariable (&vid_conheight);
1319         Cvar_RegisterVariable (&vid_pixelheight);
1320         Cvar_RegisterVariable (&vid_conwidthauto);
1321         Cvar_RegisterVariable (&scr_screenshot_jpeg);
1322         Cvar_RegisterVariable (&scr_screenshot_jpeg_quality);
1323         Cvar_RegisterVariable (&scr_screenshot_png);
1324         Cvar_RegisterVariable (&scr_screenshot_gammaboost);
1325         Cvar_RegisterVariable (&scr_screenshot_name_in_mapdir);
1326         Cvar_RegisterVariable (&scr_screenshot_alpha);
1327         Cvar_RegisterVariable (&scr_screenshot_timestamp);
1328 #ifdef CONFIG_VIDEO_CAPTURE
1329         Cvar_RegisterVariable (&cl_capturevideo);
1330         Cvar_RegisterVariable (&cl_capturevideo_demo_stop);
1331         Cvar_RegisterVariable (&cl_capturevideo_printfps);
1332         Cvar_RegisterVariable (&cl_capturevideo_width);
1333         Cvar_RegisterVariable (&cl_capturevideo_height);
1334         Cvar_RegisterVariable (&cl_capturevideo_realtime);
1335         Cvar_RegisterVariable (&cl_capturevideo_fps);
1336         Cvar_RegisterVariable (&cl_capturevideo_nameformat);
1337         Cvar_RegisterVariable (&cl_capturevideo_number);
1338         Cvar_RegisterVariable (&cl_capturevideo_ogg);
1339         Cvar_RegisterVariable (&cl_capturevideo_framestep);
1340 #endif
1341         Cvar_RegisterVariable (&r_letterbox);
1342         Cvar_RegisterVariable(&r_stereo_separation);
1343         Cvar_RegisterVariable(&r_stereo_sidebyside);
1344         Cvar_RegisterVariable(&r_stereo_horizontal);
1345         Cvar_RegisterVariable(&r_stereo_vertical);
1346         Cvar_RegisterVariable(&r_stereo_redblue);
1347         Cvar_RegisterVariable(&r_stereo_redcyan);
1348         Cvar_RegisterVariable(&r_stereo_redgreen);
1349         Cvar_RegisterVariable(&r_stereo_angle);
1350         Cvar_RegisterVariable(&scr_stipple);
1351         Cvar_RegisterVariable(&scr_refresh);
1352         Cvar_RegisterVariable(&net_graph);
1353         Cvar_RegisterAlias(&net_graph, "shownetgraph");
1354         Cvar_RegisterVariable(&cl_demo_mousegrab);
1355         Cvar_RegisterVariable(&timedemo_screenshotframelist);
1356         Cvar_RegisterVariable(&vid_touchscreen_outlinealpha);
1357         Cvar_RegisterVariable(&vid_touchscreen_overlayalpha);
1358         Cvar_RegisterVariable(&r_speeds_graph);
1359         for (i = 0;i < (int)(sizeof(r_speeds_graph_filter)/sizeof(r_speeds_graph_filter[0]));i++)
1360                 Cvar_RegisterVariable(&r_speeds_graph_filter[i]);
1361         Cvar_RegisterVariable(&r_speeds_graph_length);
1362         Cvar_RegisterVariable(&r_speeds_graph_seconds);
1363         Cvar_RegisterVariable(&r_speeds_graph_x);
1364         Cvar_RegisterVariable(&r_speeds_graph_y);
1365         Cvar_RegisterVariable(&r_speeds_graph_width);
1366         Cvar_RegisterVariable(&r_speeds_graph_height);
1367         Cvar_RegisterVariable(&r_speeds_graph_maxtimedelta);
1368         Cvar_RegisterVariable(&r_speeds_graph_maxdefault);
1369
1370         // if we want no console, turn it off here too
1371         if (COM_CheckParm ("-noconsole"))
1372                 Cvar_SetQuick(&scr_conforcewhiledisconnected, "0");
1373
1374         Cmd_AddCommand(CMD_CLIENT, "sizeup",SCR_SizeUp_f, "increase view size (increases viewsize cvar)");
1375         Cmd_AddCommand(CMD_CLIENT, "sizedown",SCR_SizeDown_f, "decrease view size (decreases viewsize cvar)");
1376         Cmd_AddCommand(CMD_CLIENT, "screenshot",SCR_ScreenShot_f, "takes a screenshot of the next rendered frame");
1377         Cmd_AddCommand(CMD_CLIENT, "envmap", R_Envmap_f, "render a cubemap (skybox) of the current scene");
1378         Cmd_AddCommand(CMD_CLIENT, "infobar", SCR_InfoBar_f, "display a text in the infobar (usage: infobar expiretime string)");
1379
1380 #ifdef CONFIG_VIDEO_CAPTURE
1381         SCR_CaptureVideo_Ogg_Init();
1382 #endif
1383
1384         scr_initialized = true;
1385 }
1386
1387 /*
1388 ==================
1389 SCR_ScreenShot_f
1390 ==================
1391 */
1392 void SCR_ScreenShot_f(cmd_state_t *cmd)
1393 {
1394         static int shotnumber;
1395         static char old_prefix_name[MAX_QPATH];
1396         char prefix_name[MAX_QPATH];
1397         char filename[MAX_QPATH];
1398         unsigned char *buffer1;
1399         unsigned char *buffer2;
1400         qboolean jpeg = (scr_screenshot_jpeg.integer != 0);
1401         qboolean png = (scr_screenshot_png.integer != 0) && !jpeg;
1402         char vabuf[1024];
1403
1404         if (Cmd_Argc(cmd) == 2)
1405         {
1406                 const char *ext;
1407                 strlcpy(filename, Cmd_Argv(cmd, 1), sizeof(filename));
1408                 ext = FS_FileExtension(filename);
1409                 if (!strcasecmp(ext, "jpg"))
1410                 {
1411                         jpeg = true;
1412                         png = false;
1413                 }
1414                 else if (!strcasecmp(ext, "tga"))
1415                 {
1416                         jpeg = false;
1417                         png = false;
1418                 }
1419                 else if (!strcasecmp(ext, "png"))
1420                 {
1421                         jpeg = false;
1422                         png = true;
1423                 }
1424                 else
1425                 {
1426                         Con_Printf("screenshot: supplied filename must end in .jpg or .tga or .png\n");
1427                         return;
1428                 }
1429         }
1430         else if (scr_screenshot_timestamp.integer)
1431         {
1432                 int shotnumber100;
1433
1434                 // TODO maybe make capturevideo and screenshot use similar name patterns?
1435                 if (scr_screenshot_name_in_mapdir.integer && cl.worldbasename[0])
1436                         dpsnprintf(prefix_name, sizeof(prefix_name), "%s/%s%s", cl.worldbasename, scr_screenshot_name.string, Sys_TimeString("%Y%m%d%H%M%S"));
1437                 else
1438                         dpsnprintf(prefix_name, sizeof(prefix_name), "%s%s", scr_screenshot_name.string, Sys_TimeString("%Y%m%d%H%M%S"));
1439
1440                 // find a file name to save it to
1441                 for (shotnumber100 = 0;shotnumber100 < 100;shotnumber100++)
1442                         if (!FS_SysFileExists(va(vabuf, sizeof(vabuf), "%s/screenshots/%s-%02d.tga", fs_gamedir, prefix_name, shotnumber100))
1443                          && !FS_SysFileExists(va(vabuf, sizeof(vabuf), "%s/screenshots/%s-%02d.jpg", fs_gamedir, prefix_name, shotnumber100))
1444                          && !FS_SysFileExists(va(vabuf, sizeof(vabuf), "%s/screenshots/%s-%02d.png", fs_gamedir, prefix_name, shotnumber100)))
1445                                 break;
1446                 if (shotnumber100 >= 100)
1447                 {
1448                         Con_Print("Couldn't create the image file - already 100 shots taken this second!\n");
1449                         return;
1450                 }
1451
1452                 dpsnprintf(filename, sizeof(filename), "screenshots/%s-%02d.%s", prefix_name, shotnumber100, jpeg ? "jpg" : png ? "png" : "tga");
1453         }
1454         else
1455         {
1456                 // TODO maybe make capturevideo and screenshot use similar name patterns?
1457                 if (scr_screenshot_name_in_mapdir.integer && cl.worldbasename[0])
1458                         dpsnprintf(prefix_name, sizeof(prefix_name), "%s/%s", cl.worldbasename, Sys_TimeString(scr_screenshot_name.string));
1459                 else
1460                         dpsnprintf(prefix_name, sizeof(prefix_name), "%s", Sys_TimeString(scr_screenshot_name.string));
1461
1462                 // if prefix changed, gamedir or map changed, reset the shotnumber so
1463                 // we scan again
1464                 // FIXME: should probably do this whenever FS_Rescan or something like that occurs?
1465                 if (strcmp(old_prefix_name, prefix_name))
1466                 {
1467                         dpsnprintf(old_prefix_name, sizeof(old_prefix_name), "%s", prefix_name );
1468                         shotnumber = 0;
1469                 }
1470
1471                 // find a file name to save it to
1472                 for (;shotnumber < 1000000;shotnumber++)
1473                         if (!FS_SysFileExists(va(vabuf, sizeof(vabuf), "%s/screenshots/%s%06d.tga", fs_gamedir, prefix_name, shotnumber))
1474                          && !FS_SysFileExists(va(vabuf, sizeof(vabuf), "%s/screenshots/%s%06d.jpg", fs_gamedir, prefix_name, shotnumber))
1475                          && !FS_SysFileExists(va(vabuf, sizeof(vabuf), "%s/screenshots/%s%06d.png", fs_gamedir, prefix_name, shotnumber)))
1476                                 break;
1477                 if (shotnumber >= 1000000)
1478                 {
1479                         Con_Print("Couldn't create the image file - you already have 1000000 screenshots!\n");
1480                         return;
1481                 }
1482
1483                 dpsnprintf(filename, sizeof(filename), "screenshots/%s%06d.%s", prefix_name, shotnumber, jpeg ? "jpg" : png ? "png" : "tga");
1484
1485                 shotnumber++;
1486         }
1487
1488         buffer1 = (unsigned char *)Mem_Alloc(tempmempool, vid.width * vid.height * 4);
1489         buffer2 = (unsigned char *)Mem_Alloc(tempmempool, vid.width * vid.height * (scr_screenshot_alpha.integer ? 4 : 3));
1490
1491         if (SCR_ScreenShot (filename, buffer1, buffer2, 0, 0, vid.width, vid.height, false, false, false, jpeg, png, true, scr_screenshot_alpha.integer != 0))
1492                 Con_Printf("Wrote %s\n", filename);
1493         else
1494         {
1495                 Con_Printf(CON_ERROR "Unable to write %s\n", filename);
1496                 if(jpeg || png)
1497                 {
1498                         if(SCR_ScreenShot (filename, buffer1, buffer2, 0, 0, vid.width, vid.height, false, false, false, false, false, true, scr_screenshot_alpha.integer != 0))
1499                         {
1500                                 strlcpy(filename + strlen(filename) - 3, "tga", 4);
1501                                 Con_Printf("Wrote %s\n", filename);
1502                         }
1503                 }
1504         }
1505
1506         Mem_Free (buffer1);
1507         Mem_Free (buffer2);
1508 }
1509
1510 #ifdef CONFIG_VIDEO_CAPTURE
1511 static void SCR_CaptureVideo_BeginVideo(void)
1512 {
1513         double r, g, b;
1514         unsigned int i;
1515         int width = cl_capturevideo_width.integer, height = cl_capturevideo_height.integer;
1516         if (cls.capturevideo.active)
1517                 return;
1518         memset(&cls.capturevideo, 0, sizeof(cls.capturevideo));
1519         // soundrate is figured out on the first SoundFrame
1520
1521         if(width == 0 && height != 0)
1522                 width = (int) (height * (double)vid.width / ((double)vid.height * vid_pixelheight.value)); // keep aspect
1523         if(width != 0 && height == 0)
1524                 height = (int) (width * ((double)vid.height * vid_pixelheight.value) / (double)vid.width); // keep aspect
1525
1526         if(width < 2 || width > vid.width) // can't scale up
1527                 width = vid.width;
1528         if(height < 2 || height > vid.height) // can't scale up
1529                 height = vid.height;
1530
1531         // ensure it's all even; if not, scale down a little
1532         if(width % 1)
1533                 --width;
1534         if(height % 1)
1535                 --height;
1536
1537         cls.capturevideo.width = width;
1538         cls.capturevideo.height = height;
1539         cls.capturevideo.active = true;
1540         cls.capturevideo.framerate = bound(1, cl_capturevideo_fps.value, 1001) * bound(1, cl_capturevideo_framestep.integer, 64);
1541         cls.capturevideo.framestep = cl_capturevideo_framestep.integer;
1542         cls.capturevideo.soundrate = S_GetSoundRate();
1543         cls.capturevideo.soundchannels = S_GetSoundChannels();
1544         cls.capturevideo.startrealtime = host.realtime;
1545         cls.capturevideo.frame = cls.capturevideo.lastfpsframe = 0;
1546         cls.capturevideo.starttime = cls.capturevideo.lastfpstime = host.realtime;
1547         cls.capturevideo.soundsampleframe = 0;
1548         cls.capturevideo.realtime = cl_capturevideo_realtime.integer != 0;
1549         cls.capturevideo.screenbuffer = (unsigned char *)Mem_Alloc(tempmempool, vid.width * vid.height * 4);
1550         cls.capturevideo.outbuffer = (unsigned char *)Mem_Alloc(tempmempool, width * height * (4+4) + 18);
1551         dpsnprintf(cls.capturevideo.basename, sizeof(cls.capturevideo.basename), "video/%s%03i", Sys_TimeString(cl_capturevideo_nameformat.string), cl_capturevideo_number.integer);
1552         Cvar_SetValueQuick(&cl_capturevideo_number, cl_capturevideo_number.integer + 1);
1553
1554         /*
1555         for (i = 0;i < 256;i++)
1556         {
1557                 unsigned char j = (unsigned char)bound(0, 255*pow(i/255.0, gamma), 255);
1558                 cls.capturevideo.rgbgammatable[0][i] = j;
1559                 cls.capturevideo.rgbgammatable[1][i] = j;
1560                 cls.capturevideo.rgbgammatable[2][i] = j;
1561         }
1562         */
1563 /*
1564 R = Y + 1.4075 * (Cr - 128);
1565 G = Y + -0.3455 * (Cb - 128) + -0.7169 * (Cr - 128);
1566 B = Y + 1.7790 * (Cb - 128);
1567 Y = R *  .299 + G *  .587 + B *  .114;
1568 Cb = R * -.169 + G * -.332 + B *  .500 + 128.;
1569 Cr = R *  .500 + G * -.419 + B * -.0813 + 128.;
1570 */
1571
1572         // identity gamma table
1573         BuildGammaTable16(1.0f, 1.0f, 1.0f, 0.0f, 1.0f, cls.capturevideo.vidramp, 256);
1574         BuildGammaTable16(1.0f, 1.0f, 1.0f, 0.0f, 1.0f, cls.capturevideo.vidramp + 256, 256);
1575         BuildGammaTable16(1.0f, 1.0f, 1.0f, 0.0f, 1.0f, cls.capturevideo.vidramp + 256*2, 256);
1576         if(scr_screenshot_gammaboost.value != 1)
1577         {
1578                 double igamma = 1 / scr_screenshot_gammaboost.value;
1579                 for (i = 0;i < 256 * 3;i++)
1580                         cls.capturevideo.vidramp[i] = (unsigned short) (0.5 + pow(cls.capturevideo.vidramp[i] * (1.0 / 65535.0), igamma) * 65535.0);
1581         }
1582
1583         for (i = 0;i < 256;i++)
1584         {
1585                 r = 255*cls.capturevideo.vidramp[i]/65535.0;
1586                 g = 255*cls.capturevideo.vidramp[i+256]/65535.0;
1587                 b = 255*cls.capturevideo.vidramp[i+512]/65535.0;
1588                 // NOTE: we have to round DOWN here, or integer overflows happen. Sorry for slightly wrong looking colors sometimes...
1589                 // Y weights from RGB
1590                 cls.capturevideo.rgbtoyuvscaletable[0][0][i] = (short)(r *  0.299);
1591                 cls.capturevideo.rgbtoyuvscaletable[0][1][i] = (short)(g *  0.587);
1592                 cls.capturevideo.rgbtoyuvscaletable[0][2][i] = (short)(b *  0.114);
1593                 // Cb weights from RGB
1594                 cls.capturevideo.rgbtoyuvscaletable[1][0][i] = (short)(r * -0.169);
1595                 cls.capturevideo.rgbtoyuvscaletable[1][1][i] = (short)(g * -0.332);
1596                 cls.capturevideo.rgbtoyuvscaletable[1][2][i] = (short)(b *  0.500);
1597                 // Cr weights from RGB
1598                 cls.capturevideo.rgbtoyuvscaletable[2][0][i] = (short)(r *  0.500);
1599                 cls.capturevideo.rgbtoyuvscaletable[2][1][i] = (short)(g * -0.419);
1600                 cls.capturevideo.rgbtoyuvscaletable[2][2][i] = (short)(b * -0.0813);
1601                 // range reduction of YCbCr to valid signal range
1602                 cls.capturevideo.yuvnormalizetable[0][i] = 16 + i * (236-16) / 256;
1603                 cls.capturevideo.yuvnormalizetable[1][i] = 16 + i * (240-16) / 256;
1604                 cls.capturevideo.yuvnormalizetable[2][i] = 16 + i * (240-16) / 256;
1605         }
1606
1607         if (cl_capturevideo_ogg.integer)
1608         {
1609                 if(SCR_CaptureVideo_Ogg_Available())
1610                 {
1611                         SCR_CaptureVideo_Ogg_BeginVideo();
1612                         return;
1613                 }
1614                 else
1615                         Con_Print("cl_capturevideo_ogg: libraries not available. Capturing in AVI instead.\n");
1616         }
1617
1618         SCR_CaptureVideo_Avi_BeginVideo();
1619 }
1620
1621 void SCR_CaptureVideo_EndVideo(void)
1622 {
1623         if (!cls.capturevideo.active)
1624                 return;
1625         cls.capturevideo.active = false;
1626
1627         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);
1628
1629         if (cls.capturevideo.videofile)
1630         {
1631                 cls.capturevideo.endvideo();
1632         }
1633
1634         if (cls.capturevideo.screenbuffer)
1635         {
1636                 Mem_Free (cls.capturevideo.screenbuffer);
1637                 cls.capturevideo.screenbuffer = NULL;
1638         }
1639
1640         if (cls.capturevideo.outbuffer)
1641         {
1642                 Mem_Free (cls.capturevideo.outbuffer);
1643                 cls.capturevideo.outbuffer = NULL;
1644         }
1645
1646         memset(&cls.capturevideo, 0, sizeof(cls.capturevideo));
1647 }
1648
1649 static void SCR_ScaleDownBGRA(unsigned char *in, int inw, int inh, unsigned char *out, int outw, int outh)
1650 {
1651         // TODO optimize this function
1652
1653         int x, y;
1654         float area;
1655
1656         // memcpy is faster than me
1657         if(inw == outw && inh == outh)
1658         {
1659                 memcpy(out, in, 4 * inw * inh);
1660                 return;
1661         }
1662
1663         // otherwise: a box filter
1664         area = (float)outw * (float)outh / (float)inw / (float)inh;
1665         for(y = 0; y < outh; ++y)
1666         {
1667                 float iny0 =  y    / (float)outh * inh; int iny0_i = (int) floor(iny0);
1668                 float iny1 = (y+1) / (float)outh * inh; int iny1_i = (int) ceil(iny1);
1669                 for(x = 0; x < outw; ++x)
1670                 {
1671                         float inx0 =  x    / (float)outw * inw; int inx0_i = (int) floor(inx0);
1672                         float inx1 = (x+1) / (float)outw * inw; int inx1_i = (int) ceil(inx1);
1673                         float r = 0, g = 0, b = 0, alpha = 0;
1674                         int xx, yy;
1675
1676                         for(yy = iny0_i; yy < iny1_i; ++yy)
1677                         {
1678                                 float ya = min(yy+1, iny1) - max(iny0, yy);
1679                                 for(xx = inx0_i; xx < inx1_i; ++xx)
1680                                 {
1681                                         float a = ya * (min(xx+1, inx1) - max(inx0, xx));
1682                                         r += a * in[4*(xx + inw * yy)+0];
1683                                         g += a * in[4*(xx + inw * yy)+1];
1684                                         b += a * in[4*(xx + inw * yy)+2];
1685                                         alpha += a * in[4*(xx + inw * yy)+3];
1686                                 }
1687                         }
1688
1689                         out[4*(x + outw * y)+0] = (unsigned char) (r * area);
1690                         out[4*(x + outw * y)+1] = (unsigned char) (g * area);
1691                         out[4*(x + outw * y)+2] = (unsigned char) (b * area);
1692                         out[4*(x + outw * y)+3] = (unsigned char) (alpha * area);
1693                 }
1694         }
1695 }
1696
1697 static void SCR_CaptureVideo_VideoFrame(int newframestepframenum)
1698 {
1699         int x = 0, y = 0;
1700         int width = cls.capturevideo.width, height = cls.capturevideo.height;
1701
1702         if(newframestepframenum == cls.capturevideo.framestepframe)
1703                 return;
1704
1705         CHECKGLERROR
1706         // speed is critical here, so do saving as directly as possible
1707
1708         GL_ReadPixelsBGRA(x, y, vid.width, vid.height, cls.capturevideo.screenbuffer);
1709
1710         SCR_ScaleDownBGRA (cls.capturevideo.screenbuffer, vid.width, vid.height, cls.capturevideo.outbuffer, width, height);
1711
1712         cls.capturevideo.videoframes(newframestepframenum - cls.capturevideo.framestepframe);
1713         cls.capturevideo.framestepframe = newframestepframenum;
1714
1715         if(cl_capturevideo_printfps.integer)
1716         {
1717                 char buf[80];
1718                 double t = host.realtime;
1719                 if(t > cls.capturevideo.lastfpstime + 1)
1720                 {
1721                         double fps1 = (cls.capturevideo.frame - cls.capturevideo.lastfpsframe) / (t - cls.capturevideo.lastfpstime + 0.0000001);
1722                         double fps  = (cls.capturevideo.frame                                ) / (t - cls.capturevideo.starttime   + 0.0000001);
1723                         dpsnprintf(buf, sizeof(buf), "capturevideo: (%.1fs) last second %.3ffps, total %.3ffps\n", cls.capturevideo.frame / cls.capturevideo.framerate, fps1, fps);
1724                         Sys_PrintToTerminal(buf);
1725                         cls.capturevideo.lastfpstime = t;
1726                         cls.capturevideo.lastfpsframe = cls.capturevideo.frame;
1727                 }
1728         }
1729 }
1730
1731 void SCR_CaptureVideo_SoundFrame(const portable_sampleframe_t *paintbuffer, size_t length)
1732 {
1733         cls.capturevideo.soundsampleframe += (int)length;
1734         cls.capturevideo.soundframe(paintbuffer, length);
1735 }
1736
1737 static void SCR_CaptureVideo(void)
1738 {
1739         int newframenum;
1740         if (cl_capturevideo.integer)
1741         {
1742                 if (!cls.capturevideo.active)
1743                         SCR_CaptureVideo_BeginVideo();
1744                 if (cls.capturevideo.framerate != cl_capturevideo_fps.value * cl_capturevideo_framestep.integer)
1745                 {
1746                         Con_Printf("You can not change the video framerate while recording a video.\n");
1747                         Cvar_SetValueQuick(&cl_capturevideo_fps, cls.capturevideo.framerate / (double) cl_capturevideo_framestep.integer);
1748                 }
1749                 // for AVI saving we have to make sure that sound is saved before video
1750                 if (cls.capturevideo.soundrate && !cls.capturevideo.soundsampleframe)
1751                         return;
1752                 if (cls.capturevideo.realtime)
1753                 {
1754                         // preserve sound sync by duplicating frames when running slow
1755                         newframenum = (int)((host.realtime - cls.capturevideo.startrealtime) * cls.capturevideo.framerate);
1756                 }
1757                 else
1758                         newframenum = cls.capturevideo.frame + 1;
1759                 // if falling behind more than one second, stop
1760                 if (newframenum - cls.capturevideo.frame > 60 * (int)ceil(cls.capturevideo.framerate))
1761                 {
1762                         Cvar_SetValueQuick(&cl_capturevideo, 0);
1763                         Con_Printf("video saving failed on frame %i, your machine is too slow for this capture speed.\n", cls.capturevideo.frame);
1764                         SCR_CaptureVideo_EndVideo();
1765                         return;
1766                 }
1767                 // write frames
1768                 SCR_CaptureVideo_VideoFrame(newframenum / cls.capturevideo.framestep);
1769                 cls.capturevideo.frame = newframenum;
1770                 if (cls.capturevideo.error)
1771                 {
1772                         Cvar_SetValueQuick(&cl_capturevideo, 0);
1773                         Con_Printf("video saving failed on frame %i, out of disk space? stopping video capture.\n", cls.capturevideo.frame);
1774                         SCR_CaptureVideo_EndVideo();
1775                 }
1776         }
1777         else if (cls.capturevideo.active)
1778                 SCR_CaptureVideo_EndVideo();
1779 }
1780 #endif
1781
1782 /*
1783 ===============
1784 R_Envmap_f
1785
1786 Grab six views for environment mapping tests
1787 ===============
1788 */
1789 struct envmapinfo_s
1790 {
1791         float angles[3];
1792         const char *name;
1793         qboolean flipx, flipy, flipdiagonaly;
1794 }
1795 envmapinfo[12] =
1796 {
1797         {{  0,   0, 0}, "rt", false, false, false},
1798         {{  0, 270, 0}, "ft", false, false, false},
1799         {{  0, 180, 0}, "lf", false, false, false},
1800         {{  0,  90, 0}, "bk", false, false, false},
1801         {{-90, 180, 0}, "up",  true,  true, false},
1802         {{ 90, 180, 0}, "dn",  true,  true, false},
1803
1804         {{  0,   0, 0}, "px",  true,  true,  true},
1805         {{  0,  90, 0}, "py", false,  true, false},
1806         {{  0, 180, 0}, "nx", false, false,  true},
1807         {{  0, 270, 0}, "ny",  true, false, false},
1808         {{-90, 180, 0}, "pz", false, false,  true},
1809         {{ 90, 180, 0}, "nz", false, false,  true}
1810 };
1811
1812 static void R_Envmap_f(cmd_state_t *cmd)
1813 {
1814         int j, size;
1815         char filename[MAX_QPATH], basename[MAX_QPATH];
1816         unsigned char *buffer1;
1817         unsigned char *buffer2;
1818         r_rendertarget_t *rt;
1819
1820         if (Cmd_Argc(cmd) != 3)
1821         {
1822                 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");
1823                 return;
1824         }
1825
1826         if(cls.state != ca_connected) {
1827                 Con_Printf("envmap: No map loaded\n");
1828                 return;
1829         }
1830
1831         strlcpy (basename, Cmd_Argv(cmd, 1), sizeof (basename));
1832         size = atoi(Cmd_Argv(cmd, 2));
1833         if (size != 128 && size != 256 && size != 512 && size != 1024)
1834         {
1835                 Con_Print("envmap: size must be one of 128, 256, 512, or 1024\n");
1836                 return;
1837         }
1838         if (size > vid.width || size > vid.height)
1839         {
1840                 Con_Print("envmap: your resolution is not big enough to render that size\n");
1841                 return;
1842         }
1843
1844         r_refdef.envmap = true;
1845
1846         R_UpdateVariables();
1847
1848         r_refdef.view.x = 0;
1849         r_refdef.view.y = 0;
1850         r_refdef.view.z = 0;
1851         r_refdef.view.width = size;
1852         r_refdef.view.height = size;
1853         r_refdef.view.depth = 1;
1854         r_refdef.view.useperspective = true;
1855         r_refdef.view.isoverlay = false;
1856         r_refdef.view.ismain = true;
1857
1858         r_refdef.view.frustum_x = 1; // tan(45 * M_PI / 180.0);
1859         r_refdef.view.frustum_y = 1; // tan(45 * M_PI / 180.0);
1860         r_refdef.view.ortho_x = 90; // abused as angle by VM_CL_R_SetView
1861         r_refdef.view.ortho_y = 90; // abused as angle by VM_CL_R_SetView
1862
1863         buffer1 = (unsigned char *)Mem_Alloc(tempmempool, size * size * 4);
1864         buffer2 = (unsigned char *)Mem_Alloc(tempmempool, size * size * 3);
1865
1866         // TODO: use TEXTYPE_COLORBUFFER16F and output to .exr files as well?
1867         rt = R_RenderTarget_Get(size, size, TEXTYPE_DEPTHBUFFER24STENCIL8, true, TEXTYPE_COLORBUFFER, TEXTYPE_UNUSED, TEXTYPE_UNUSED, TEXTYPE_UNUSED);
1868         CL_UpdateEntityShading();
1869         for (j = 0;j < 12;j++)
1870         {
1871                 dpsnprintf(filename, sizeof(filename), "env/%s%s.tga", basename, envmapinfo[j].name);
1872                 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);
1873                 r_refdef.view.quality = 1;
1874                 r_refdef.view.clear = true;
1875                 R_Mesh_Start();
1876                 R_RenderView(rt->fbo, rt->depthtexture, rt->colortexture[0], 0, 0, size, size);
1877                 R_Mesh_Finish();
1878                 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);
1879         }
1880
1881         Mem_Free (buffer1);
1882         Mem_Free (buffer2);
1883
1884         r_refdef.envmap = false;
1885 }
1886
1887 //=============================================================================
1888
1889 void SHOWLMP_decodehide(void)
1890 {
1891         int i;
1892         char *lmplabel;
1893         lmplabel = MSG_ReadString(&cl_message, cl_readstring, sizeof(cl_readstring));
1894         for (i = 0;i < cl.num_showlmps;i++)
1895                 if (cl.showlmps[i].isactive && strcmp(cl.showlmps[i].label, lmplabel) == 0)
1896                 {
1897                         cl.showlmps[i].isactive = false;
1898                         return;
1899                 }
1900 }
1901
1902 void SHOWLMP_decodeshow(void)
1903 {
1904         int k;
1905         char lmplabel[256], picname[256];
1906         float x, y;
1907         strlcpy (lmplabel,MSG_ReadString(&cl_message, cl_readstring, sizeof(cl_readstring)), sizeof (lmplabel));
1908         strlcpy (picname, MSG_ReadString(&cl_message, cl_readstring, sizeof(cl_readstring)), sizeof (picname));
1909         if (gamemode == GAME_NEHAHRA) // LadyHavoc: nasty old legacy junk
1910         {
1911                 x = MSG_ReadByte(&cl_message);
1912                 y = MSG_ReadByte(&cl_message);
1913         }
1914         else
1915         {
1916                 x = MSG_ReadShort(&cl_message);
1917                 y = MSG_ReadShort(&cl_message);
1918         }
1919         if (!cl.showlmps || cl.num_showlmps >= cl.max_showlmps)
1920         {
1921                 showlmp_t *oldshowlmps = cl.showlmps;
1922                 cl.max_showlmps += 16;
1923                 cl.showlmps = (showlmp_t *) Mem_Alloc(cls.levelmempool, cl.max_showlmps * sizeof(showlmp_t));
1924                 if (oldshowlmps)
1925                 {
1926                         if (cl.num_showlmps)
1927                                 memcpy(cl.showlmps, oldshowlmps, cl.num_showlmps * sizeof(showlmp_t));
1928                         Mem_Free(oldshowlmps);
1929                 }
1930         }
1931         for (k = 0;k < cl.max_showlmps;k++)
1932                 if (cl.showlmps[k].isactive && !strcmp(cl.showlmps[k].label, lmplabel))
1933                         break;
1934         if (k == cl.max_showlmps)
1935                 for (k = 0;k < cl.max_showlmps;k++)
1936                         if (!cl.showlmps[k].isactive)
1937                                 break;
1938         cl.showlmps[k].isactive = true;
1939         strlcpy (cl.showlmps[k].label, lmplabel, sizeof (cl.showlmps[k].label));
1940         strlcpy (cl.showlmps[k].pic, picname, sizeof (cl.showlmps[k].pic));
1941         cl.showlmps[k].x = x;
1942         cl.showlmps[k].y = y;
1943         cl.num_showlmps = max(cl.num_showlmps, k + 1);
1944 }
1945
1946 void SHOWLMP_drawall(void)
1947 {
1948         int i;
1949         for (i = 0;i < cl.num_showlmps;i++)
1950                 if (cl.showlmps[i].isactive)
1951                         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);
1952 }
1953
1954 /*
1955 ==============================================================================
1956
1957                                                 SCREEN SHOTS
1958
1959 ==============================================================================
1960 */
1961
1962 // buffer1: 4*w*h
1963 // buffer2: 3*w*h (or 4*w*h if screenshotting alpha too)
1964 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)
1965 {
1966         int     indices[4] = {0,1,2,3}; // BGRA
1967         qboolean ret;
1968
1969         GL_ReadPixelsBGRA(x, y, width, height, buffer1);
1970
1971         if(gammacorrect && (scr_screenshot_gammaboost.value != 1))
1972         {
1973                 int i;
1974                 double igamma = 1.0 / scr_screenshot_gammaboost.value;
1975                 unsigned short vidramp[256 * 3];
1976                 // identity gamma table
1977                 BuildGammaTable16(1.0f, 1.0f, 1.0f, 0.0f, 1.0f, vidramp, 256);
1978                 BuildGammaTable16(1.0f, 1.0f, 1.0f, 0.0f, 1.0f, vidramp + 256, 256);
1979                 BuildGammaTable16(1.0f, 1.0f, 1.0f, 0.0f, 1.0f, vidramp + 256*2, 256);
1980                 if(scr_screenshot_gammaboost.value != 1)
1981                 {
1982                         for (i = 0;i < 256 * 3;i++)
1983                                 vidramp[i] = (unsigned short) (0.5 + pow(vidramp[i] * (1.0 / 65535.0), igamma) * 65535.0);
1984                 }
1985                 for (i = 0;i < width*height*4;i += 4)
1986                 {
1987                         buffer1[i] = (unsigned char) (vidramp[buffer1[i] + 512] * 255.0 / 65535.0 + 0.5); // B
1988                         buffer1[i+1] = (unsigned char) (vidramp[buffer1[i+1] + 256] * 255.0 / 65535.0 + 0.5); // G
1989                         buffer1[i+2] = (unsigned char) (vidramp[buffer1[i+2]] * 255.0 / 65535.0 + 0.5); // R
1990                         // A
1991                 }
1992         }
1993
1994         if(keep_alpha && !jpeg)
1995         {
1996                 if(!png)
1997                         flipy = !flipy; // TGA: not preflipped
1998                 Image_CopyMux (buffer2, buffer1, width, height, flipx, flipy, flipdiagonal, 4, 4, indices);
1999                 if (png)
2000                         ret = PNG_SaveImage_preflipped (filename, width, height, true, buffer2);
2001                 else
2002                         ret = Image_WriteTGABGRA(filename, width, height, buffer2);
2003         }
2004         else
2005         {
2006                 if(jpeg)
2007                 {
2008                         indices[0] = 2;
2009                         indices[2] = 0; // RGB
2010                 }
2011                 Image_CopyMux (buffer2, buffer1, width, height, flipx, flipy, flipdiagonal, 3, 4, indices);
2012                 if (jpeg)
2013                         ret = JPEG_SaveImage_preflipped (filename, width, height, buffer2);
2014                 else if (png)
2015                         ret = PNG_SaveImage_preflipped (filename, width, height, false, buffer2);
2016                 else
2017                         ret = Image_WriteTGABGR_preflipped (filename, width, height, buffer2);
2018         }
2019
2020         return ret;
2021 }
2022
2023 //=============================================================================
2024
2025 int scr_numtouchscreenareas;
2026 scr_touchscreenarea_t scr_touchscreenareas[128];
2027
2028 static void SCR_DrawTouchscreenOverlay(void)
2029 {
2030         int i;
2031         scr_touchscreenarea_t *a;
2032         cachepic_t *pic;
2033         for (i = 0, a = scr_touchscreenareas;i < scr_numtouchscreenareas;i++, a++)
2034         {
2035                 if (vid_touchscreen_outlinealpha.value > 0 && a->rect[0] >= 0 && a->rect[1] >= 0 && a->rect[2] >= 4 && a->rect[3] >= 4)
2036                 {
2037                         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);
2038                         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);
2039                         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);
2040                         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);
2041                         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);
2042                         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);
2043                 }
2044                 pic = a->pic ? Draw_CachePic_Flags(a->pic, CACHEPICFLAG_FAILONMISSING) : NULL;
2045                 if (Draw_IsPicLoaded(pic))
2046                         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);
2047                 if (a->text && a->text[0])
2048                 {
2049                         int textwidth = DrawQ_TextWidth(a->text, 0, a->textheight, a->textheight, false, FONT_CHAT);
2050                         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);
2051                 }
2052         }
2053 }
2054
2055 void R_ClearScreen(qboolean fogcolor)
2056 {
2057         float clearcolor[4];
2058         if (scr_screenshot_alpha.integer)
2059                 // clear to transparency (so png screenshots can contain alpha channel, useful for building model pictures)
2060                 Vector4Set(clearcolor, 0.0f, 0.0f, 0.0f, 0.0f);
2061         else
2062                 // clear to opaque black (if we're being composited it might otherwise render as transparent)
2063                 Vector4Set(clearcolor, 0.0f, 0.0f, 0.0f, 1.0f);
2064         if (fogcolor && r_fog_clear.integer)
2065         {
2066                 R_UpdateFog();
2067                 VectorCopy(r_refdef.fogcolor, clearcolor);
2068         }
2069         // clear depth is 1.0
2070         // clear the screen
2071         GL_Clear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT | (vid.stencil ? GL_STENCIL_BUFFER_BIT : 0), clearcolor, 1.0f, 0);
2072 }
2073
2074 int r_stereo_side;
2075 extern cvar_t v_isometric;
2076 extern cvar_t v_isometric_verticalfov;
2077
2078 typedef struct loadingscreenstack_s
2079 {
2080         struct loadingscreenstack_s *prev;
2081         char msg[MAX_QPATH];
2082         float absolute_loading_amount_min; // this corresponds to relative completion 0 of this item
2083         float absolute_loading_amount_len; // this corresponds to relative completion 1 of this item
2084         float relative_completion; // 0 .. 1
2085 }
2086 loadingscreenstack_t;
2087 static loadingscreenstack_t *loadingscreenstack = NULL;
2088 static qboolean loadingscreendone = false;
2089 static qboolean loadingscreencleared = false;
2090 static float loadingscreenheight = 0;
2091 rtexture_t *loadingscreentexture = NULL;
2092 static float loadingscreentexture_vertex3f[12];
2093 static float loadingscreentexture_texcoord2f[8];
2094 static int loadingscreenpic_number = 0;
2095
2096 static void SCR_DrawLoadingScreen(void);
2097 static void SCR_DrawScreen (void)
2098 {
2099         Draw_Frame();
2100
2101         R_Mesh_Start();
2102
2103         R_UpdateVariables();
2104
2105         // this will be set back to 0 by R_RenderView during CL_VM_UpdateView
2106         r_refdef.draw2dstage = 1;
2107         R_ResetViewRendering2D_Common(0, NULL, NULL, 0, 0, vid.width, vid.height, vid_conwidth.integer, vid_conheight.integer);
2108
2109         // Quake uses clockwise winding, so these are swapped
2110         r_refdef.view.cullface_front = GL_BACK;
2111         r_refdef.view.cullface_back = GL_FRONT;
2112
2113         if (cls.signon == SIGNONS)
2114         {
2115                 float size;
2116
2117                 size = scr_viewsize.value * (1.0 / 100.0);
2118                 size = min(size, 1);
2119
2120                 if (r_stereo_sidebyside.integer)
2121                 {
2122                         r_refdef.view.width = (int)(vid.width * size / 2.5);
2123                         r_refdef.view.height = (int)(vid.height * size / 2.5 * (1 - bound(0, r_letterbox.value, 100) / 100));
2124                         r_refdef.view.depth = 1;
2125                         r_refdef.view.x = (int)((vid.width - r_refdef.view.width * 2.5) * 0.5);
2126                         r_refdef.view.y = (int)((vid.height - r_refdef.view.height)/2);
2127                         r_refdef.view.z = 0;
2128                         if (r_stereo_side)
2129                                 r_refdef.view.x += (int)(r_refdef.view.width * 1.5);
2130                 }
2131                 else if (r_stereo_horizontal.integer)
2132                 {
2133                         r_refdef.view.width = (int)(vid.width * size / 2);
2134                         r_refdef.view.height = (int)(vid.height * size * (1 - bound(0, r_letterbox.value, 100) / 100));
2135                         r_refdef.view.depth = 1;
2136                         r_refdef.view.x = (int)((vid.width - r_refdef.view.width * 2.0)/2);
2137                         r_refdef.view.y = (int)((vid.height - r_refdef.view.height)/2);
2138                         r_refdef.view.z = 0;
2139                         if (r_stereo_side)
2140                                 r_refdef.view.x += (int)(r_refdef.view.width);
2141                 }
2142                 else if (r_stereo_vertical.integer)
2143                 {
2144                         r_refdef.view.width = (int)(vid.width * size);
2145                         r_refdef.view.height = (int)(vid.height * size * (1 - bound(0, r_letterbox.value, 100) / 100) / 2);
2146                         r_refdef.view.depth = 1;
2147                         r_refdef.view.x = (int)((vid.width - r_refdef.view.width)/2);
2148                         r_refdef.view.y = (int)((vid.height - r_refdef.view.height * 2.0)/2);
2149                         r_refdef.view.z = 0;
2150                         if (r_stereo_side)
2151                                 r_refdef.view.y += (int)(r_refdef.view.height);
2152                 }
2153                 else
2154                 {
2155                         r_refdef.view.width = (int)(vid.width * size);
2156                         r_refdef.view.height = (int)(vid.height * size * (1 - bound(0, r_letterbox.value, 100) / 100));
2157                         r_refdef.view.depth = 1;
2158                         r_refdef.view.x = (int)((vid.width - r_refdef.view.width)/2);
2159                         r_refdef.view.y = (int)((vid.height - r_refdef.view.height)/2);
2160                         r_refdef.view.z = 0;
2161                 }
2162
2163                 // LadyHavoc: viewzoom (zoom in for sniper rifles, etc)
2164                 // LadyHavoc: this is designed to produce widescreen fov values
2165                 // when the screen is wider than 4/3 width/height aspect, to do
2166                 // this it simply assumes the requested fov is the vertical fov
2167                 // for a 4x3 display, if the ratio is not 4x3 this makes the fov
2168                 // higher/lower according to the ratio
2169                 r_refdef.view.useperspective = true;
2170                 r_refdef.view.frustum_y = tan(scr_fov.value * M_PI / 360.0) * (3.0 / 4.0) * cl.viewzoom;
2171                 r_refdef.view.frustum_x = r_refdef.view.frustum_y * (float)r_refdef.view.width / (float)r_refdef.view.height / vid_pixelheight.value;
2172
2173                 r_refdef.view.frustum_x *= r_refdef.frustumscale_x;
2174                 r_refdef.view.frustum_y *= r_refdef.frustumscale_y;
2175                 r_refdef.view.ortho_x = atan(r_refdef.view.frustum_x) * (360.0 / M_PI); // abused as angle by VM_CL_R_SetView
2176                 r_refdef.view.ortho_y = atan(r_refdef.view.frustum_y) * (360.0 / M_PI); // abused as angle by VM_CL_R_SetView
2177
2178                 r_refdef.view.ismain = true;
2179
2180                 // if CSQC is loaded, it is required to provide the CSQC_UpdateView function,
2181                 // and won't render a view if it does not call that.
2182                 if (cl.csqc_loaded)
2183                         CL_VM_UpdateView(r_stereo_side ? 0.0 : max(0.0, cl.time - cl.oldtime));
2184                 else
2185                 {
2186                         // Prepare the scene mesh for rendering - this is lightning beams and other effects rendered as normal surfaces
2187                         CL_MeshEntities_Scene_FinalizeRenderEntity();
2188
2189                         CL_UpdateEntityShading();
2190                         R_RenderView(0, NULL, NULL, r_refdef.view.x, r_refdef.view.y, r_refdef.view.width, r_refdef.view.height);
2191                 }
2192         }
2193         else if (key_dest == key_game && key_consoleactive == 0 && (cls.state == ca_connected || cls.connect_trying))
2194         {
2195                 // draw the loading screen for a while if we're still connecting and not forcing the console or menu to show up
2196                 char temp[64];
2197                 if (cls.signon > 0)
2198                         SCR_PushLoadingScreen(va(temp, sizeof(temp), "Connect: Signon stage %i of %i", cls.signon, SIGNONS), 1.0);
2199                 else if (cls.connect_remainingtries > 0)
2200                         SCR_PushLoadingScreen(va(temp, sizeof(temp), "Connect: Trying...  %i", cls.connect_remainingtries), 1.0);
2201                 else
2202                         SCR_PushLoadingScreen(va(temp, sizeof(temp), "Connect: Waiting %i seconds for reply", 10 + cls.connect_remainingtries), 1.0);
2203                 SCR_DrawLoadingScreen();
2204                 SCR_PopLoadingScreen(false);
2205         }
2206
2207         // Don't apply debugging stuff like r_showsurfaces to the UI
2208         r_refdef.view.showdebug = false;
2209
2210         if (!r_stereo_sidebyside.integer && !r_stereo_horizontal.integer && !r_stereo_vertical.integer)
2211         {
2212                 r_refdef.view.width = vid.width;
2213                 r_refdef.view.height = vid.height;
2214                 r_refdef.view.depth = 1;
2215                 r_refdef.view.x = 0;
2216                 r_refdef.view.y = 0;
2217                 r_refdef.view.z = 0;
2218                 r_refdef.view.useperspective = false;
2219         }
2220
2221         if (cls.timedemo && cls.td_frames > 0 && timedemo_screenshotframelist.string && timedemo_screenshotframelist.string[0])
2222         {
2223                 const char *t;
2224                 int framenum;
2225                 t = timedemo_screenshotframelist.string;
2226                 while (*t)
2227                 {
2228                         while (*t == ' ')
2229                                 t++;
2230                         if (!*t)
2231                                 break;
2232                         framenum = atof(t);
2233                         if (framenum == cls.td_frames)
2234                                 break;
2235                         while (*t && *t != ' ')
2236                                 t++;
2237                 }
2238                 if (*t)
2239                 {
2240                         // we need to take a screenshot of this frame...
2241                         char filename[MAX_QPATH];
2242                         unsigned char *buffer1;
2243                         unsigned char *buffer2;
2244                         dpsnprintf(filename, sizeof(filename), "timedemoscreenshots/%s%06d.tga", cls.demoname, cls.td_frames);
2245                         buffer1 = (unsigned char *)Mem_Alloc(tempmempool, vid.width * vid.height * 4);
2246                         buffer2 = (unsigned char *)Mem_Alloc(tempmempool, vid.width * vid.height * 3);
2247                         SCR_ScreenShot(filename, buffer1, buffer2, 0, 0, vid.width, vid.height, false, false, false, false, false, true, false);
2248                         Mem_Free(buffer1);
2249                         Mem_Free(buffer2);
2250                 }
2251         }
2252
2253         // draw 2D stuff
2254
2255         // Don't flicker when starting a local server.
2256         if(scr_loading && !loadingscreenstack && ((!cls.signon && !sv.active) || (cls.signon == SIGNONS)))
2257                 SCR_EndLoadingPlaque();
2258
2259         if(!scr_con_current && !(key_consoleactive & KEY_CONSOLEACTIVE_FORCED))
2260                 if ((key_dest == key_game || key_dest == key_message) && !r_letterbox.value && !scr_loading)
2261                         Con_DrawNotify ();      // only draw notify in game
2262
2263         if(cl.islocalgame)
2264         {
2265                 if (key_dest != key_game || key_consoleactive)
2266                         host.paused = true;
2267                 else
2268                         host.paused = false;
2269         }
2270
2271         if (cls.signon == SIGNONS)
2272         {
2273                 SCR_DrawNet ();
2274                 SCR_DrawTurtle ();
2275                 SCR_DrawPause ();
2276                 if (!r_letterbox.value)
2277                         Sbar_Draw();
2278                 SHOWLMP_drawall();
2279                 SCR_CheckDrawCenterString();
2280         }
2281         SCR_DrawNetGraph ();
2282 #ifdef CONFIG_MENU
2283         if(!scr_loading)
2284                 MR_Draw();
2285 #endif
2286         CL_DrawVideo();
2287         R_Shadow_EditLights_DrawSelectedLightProperties();
2288
2289         SCR_DrawConsole();
2290
2291         if(!scr_loading) {
2292                 SCR_DrawBrand();
2293
2294                 SCR_DrawInfobar();
2295
2296                 SCR_DrawTouchscreenOverlay();
2297         }
2298         if (r_timereport_active)
2299                 R_TimeReport("2d");
2300
2301         R_TimeReport_EndFrame();
2302         R_TimeReport_BeginFrame();
2303
2304         if(!scr_loading)
2305                 Sbar_ShowFPS();
2306
2307         DrawQ_Finish();
2308
2309         R_Mesh_Finish();
2310         R_RenderTarget_FreeUnused(false);
2311 }
2312
2313 static void SCR_ClearLoadingScreenTexture(void)
2314 {
2315         if(loadingscreentexture)
2316                 R_FreeTexture(loadingscreentexture);
2317         loadingscreentexture = NULL;
2318 }
2319
2320 extern rtexturepool_t *r_main_texturepool;
2321 static void SCR_SetLoadingScreenTexture(void)
2322 {
2323         int w, h;
2324         float loadingscreentexture_w;
2325         float loadingscreentexture_h;
2326
2327         SCR_ClearLoadingScreenTexture();
2328
2329         w = vid.width; h = vid.height;
2330         loadingscreentexture_w = loadingscreentexture_h = 1;
2331
2332         loadingscreentexture = R_LoadTexture2D(r_main_texturepool, "loadingscreentexture", w, h, NULL, TEXTYPE_COLORBUFFER, TEXF_RENDERTARGET | TEXF_FORCENEAREST | TEXF_CLAMP, -1, NULL);
2333         R_Mesh_CopyToTexture(loadingscreentexture, 0, 0, 0, 0, vid.width, vid.height);
2334
2335         loadingscreentexture_vertex3f[2] = loadingscreentexture_vertex3f[5] = loadingscreentexture_vertex3f[8] = loadingscreentexture_vertex3f[11] = 0;
2336         loadingscreentexture_vertex3f[0] = loadingscreentexture_vertex3f[9] = 0;
2337         loadingscreentexture_vertex3f[1] = loadingscreentexture_vertex3f[4] = 0;
2338         loadingscreentexture_vertex3f[3] = loadingscreentexture_vertex3f[6] = vid_conwidth.integer;
2339         loadingscreentexture_vertex3f[7] = loadingscreentexture_vertex3f[10] = vid_conheight.integer;
2340         loadingscreentexture_texcoord2f[0] = 0;loadingscreentexture_texcoord2f[1] = loadingscreentexture_h;
2341         loadingscreentexture_texcoord2f[2] = loadingscreentexture_w;loadingscreentexture_texcoord2f[3] = loadingscreentexture_h;
2342         loadingscreentexture_texcoord2f[4] = loadingscreentexture_w;loadingscreentexture_texcoord2f[5] = 0;
2343         loadingscreentexture_texcoord2f[6] = 0;loadingscreentexture_texcoord2f[7] = 0;
2344 }
2345
2346 void SCR_UpdateLoadingScreenIfShown(void)
2347 {
2348         if(loadingscreendone)
2349                 SCR_UpdateLoadingScreen(loadingscreencleared, false);
2350 }
2351
2352 void SCR_PushLoadingScreen (const char *msg, float len_in_parent)
2353 {
2354         loadingscreenstack_t *s = (loadingscreenstack_t *) Z_Malloc(sizeof(loadingscreenstack_t));
2355         s->prev = loadingscreenstack;
2356         loadingscreenstack = s;
2357
2358         strlcpy(s->msg, msg, sizeof(s->msg));
2359         s->relative_completion = 0;
2360
2361         if(s->prev)
2362         {
2363                 s->absolute_loading_amount_min = s->prev->absolute_loading_amount_min + s->prev->absolute_loading_amount_len * s->prev->relative_completion;
2364                 s->absolute_loading_amount_len = s->prev->absolute_loading_amount_len * len_in_parent;
2365                 if(s->absolute_loading_amount_len > s->prev->absolute_loading_amount_min + s->prev->absolute_loading_amount_len - s->absolute_loading_amount_min)
2366                         s->absolute_loading_amount_len = s->prev->absolute_loading_amount_min + s->prev->absolute_loading_amount_len - s->absolute_loading_amount_min;
2367         }
2368         else
2369         {
2370                 s->absolute_loading_amount_min = 0;
2371                 s->absolute_loading_amount_len = 1;
2372         }
2373
2374                 SCR_UpdateLoadingScreenIfShown();
2375 }
2376
2377 void SCR_PopLoadingScreen (qboolean redraw)
2378 {
2379         loadingscreenstack_t *s = loadingscreenstack;
2380
2381         if(!s)
2382         {
2383                 Con_DPrintf("Popping a loading screen item from an empty stack!\n");
2384                 return;
2385         }
2386
2387         loadingscreenstack = s->prev;
2388         if(s->prev)
2389                 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;
2390         Z_Free(s);
2391
2392         if(redraw)
2393                 SCR_UpdateLoadingScreenIfShown();
2394 }
2395
2396 void SCR_ClearLoadingScreen (qboolean redraw)
2397 {
2398         while(loadingscreenstack)
2399                 SCR_PopLoadingScreen(redraw && !loadingscreenstack->prev);
2400 }
2401
2402 static float SCR_DrawLoadingStack_r(loadingscreenstack_t *s, float y, float size)
2403 {
2404         float x;
2405         size_t len;
2406         float total;
2407
2408         total = 0;
2409 #if 0
2410         if(s)
2411         {
2412                 total += SCR_DrawLoadingStack_r(s->prev, y, 8);
2413                 y -= total;
2414                 if(!s->prev || strcmp(s->msg, s->prev->msg))
2415                 {
2416                         len = strlen(s->msg);
2417                         x = (vid_conwidth.integer - DrawQ_TextWidth(s->msg, len, size, size, true, FONT_INFOBAR)) / 2;
2418                         y -= size;
2419                         DrawQ_Fill(0, y, vid_conwidth.integer, size, 0, 0, 0, 1, 0);
2420                         DrawQ_String(x, y, s->msg, len, size, size, 1, 1, 1, 1, 0, NULL, true, FONT_INFOBAR);
2421                         total += size;
2422                 }
2423         }
2424 #else
2425         if(s)
2426         {
2427                 len = strlen(s->msg);
2428                 x = (vid_conwidth.integer - DrawQ_TextWidth(s->msg, len, size, size, true, FONT_INFOBAR)) / 2;
2429                 y -= size;
2430                 DrawQ_Fill(0, y, vid_conwidth.integer, size, 0, 0, 0, 1, 0);
2431                 DrawQ_String(x, y, s->msg, len, size, size, 1, 1, 1, 1, 0, NULL, true, FONT_INFOBAR);
2432                 total += size;
2433         }
2434 #endif
2435         return total;
2436 }
2437
2438 static void SCR_DrawLoadingStack(void)
2439 {
2440         float verts[12];
2441         float colors[16];
2442
2443         loadingscreenheight = SCR_DrawLoadingStack_r(loadingscreenstack, vid_conheight.integer, scr_loadingscreen_barheight.value);
2444         if(loadingscreenstack)
2445         {
2446                 // height = 32; // sorry, using the actual one is ugly
2447                 GL_BlendFunc(GL_SRC_ALPHA, GL_ONE);
2448                 GL_DepthRange(0, 1);
2449                 GL_PolygonOffset(0, 0);
2450                 GL_DepthTest(false);
2451 //              R_Mesh_ResetTextureState();
2452                 verts[2] = verts[5] = verts[8] = verts[11] = 0;
2453                 verts[0] = verts[9] = 0;
2454                 verts[1] = verts[4] = vid_conheight.integer - scr_loadingscreen_barheight.value;
2455                 verts[3] = verts[6] = vid_conwidth.integer * loadingscreenstack->absolute_loading_amount_min;
2456                 verts[7] = verts[10] = vid_conheight.integer;
2457
2458 #if _MSC_VER >= 1400
2459 #define sscanf sscanf_s
2460 #endif
2461                 //                                        ^^^^^^^^^^ blue component
2462                 //                              ^^^^^^ bottom row
2463                 //          ^^^^^^^^^^^^ alpha is always on
2464                 colors[0] = 0; colors[1] = 0; colors[2] = 0; colors[3] = 1;
2465                 colors[4] = 0; colors[5] = 0; colors[6] = 0; colors[7] = 1;
2466                 sscanf(scr_loadingscreen_barcolor.string, "%f %f %f", &colors[8], &colors[9], &colors[10]); colors[11] = 1;
2467                 sscanf(scr_loadingscreen_barcolor.string, "%f %f %f", &colors[12], &colors[13], &colors[14]);  colors[15] = 1;
2468
2469                 R_Mesh_PrepareVertices_Generic_Arrays(4, verts, colors, NULL);
2470                 R_SetupShader_Generic_NoTexture(true, true);
2471                 R_Mesh_Draw(0, 4, 0, 2, polygonelement3i, NULL, 0, polygonelement3s, NULL, 0);
2472
2473                 // make sure everything is cleared, including the progress indicator
2474                 if(loadingscreenheight < 8)
2475                         loadingscreenheight = 8;
2476         }
2477 }
2478
2479 static cachepic_t *loadingscreenpic;
2480 static float loadingscreenpic_vertex3f[12];
2481 static float loadingscreenpic_texcoord2f[8];
2482
2483 static void SCR_DrawLoadingScreen_SharedSetup (qboolean clear)
2484 {
2485         r_viewport_t viewport;
2486         float x, y, w, h, sw, sh, f;
2487         char vabuf[1024];
2488         // release mouse grab while loading
2489         if (!vid.fullscreen)
2490                 VID_SetMouse(false, false, false);
2491 //      CHECKGLERROR
2492         r_refdef.draw2dstage = true;
2493         R_Viewport_InitOrtho(&viewport, &identitymatrix, 0, 0, vid.width, vid.height, 0, 0, vid_conwidth.integer, vid_conheight.integer, -10, 100, NULL);
2494         R_Mesh_SetRenderTargets(0, NULL, NULL, NULL, NULL, NULL);
2495         R_SetViewport(&viewport);
2496         GL_ColorMask(1,1,1,1);
2497         // when starting up a new video mode, make sure the screen is cleared to black
2498         if (clear || loadingscreentexture)
2499                 GL_Clear(GL_COLOR_BUFFER_BIT, NULL, 1.0f, 0);
2500         R_Textures_Frame();
2501         R_Mesh_Start();
2502         R_EntityMatrix(&identitymatrix);
2503         // draw the loading plaque
2504         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);
2505
2506         w = Draw_GetPicWidth(loadingscreenpic);
2507         h = Draw_GetPicHeight(loadingscreenpic);
2508
2509         // apply scale
2510         w *= scr_loadingscreen_scale.value;
2511         h *= scr_loadingscreen_scale.value;
2512
2513         // apply scale base
2514         if(scr_loadingscreen_scale_base.integer)
2515         {
2516                 w *= vid_conwidth.integer / (float) vid.width;
2517                 h *= vid_conheight.integer / (float) vid.height;
2518         }
2519
2520         // apply scale limit
2521         sw = w / vid_conwidth.integer;
2522         sh = h / vid_conheight.integer;
2523         f = 1;
2524         switch(scr_loadingscreen_scale_limit.integer)
2525         {
2526                 case 1:
2527                         f = max(sw, sh);
2528                         break;
2529                 case 2:
2530                         f = min(sw, sh);
2531                         break;
2532                 case 3:
2533                         f = sw;
2534                         break;
2535                 case 4:
2536                         f = sh;
2537                         break;
2538         }
2539         if(f > 1)
2540         {
2541                 w /= f;
2542                 h /= f;
2543         }
2544
2545         x = (vid_conwidth.integer - w)/2;
2546         y = (vid_conheight.integer - h)/2;
2547         loadingscreenpic_vertex3f[2] = loadingscreenpic_vertex3f[5] = loadingscreenpic_vertex3f[8] = loadingscreenpic_vertex3f[11] = 0;
2548         loadingscreenpic_vertex3f[0] = loadingscreenpic_vertex3f[9] = x;
2549         loadingscreenpic_vertex3f[1] = loadingscreenpic_vertex3f[4] = y;
2550         loadingscreenpic_vertex3f[3] = loadingscreenpic_vertex3f[6] = x + w;
2551         loadingscreenpic_vertex3f[7] = loadingscreenpic_vertex3f[10] = y + h;
2552         loadingscreenpic_texcoord2f[0] = 0;loadingscreenpic_texcoord2f[1] = 0;
2553         loadingscreenpic_texcoord2f[2] = 1;loadingscreenpic_texcoord2f[3] = 0;
2554         loadingscreenpic_texcoord2f[4] = 1;loadingscreenpic_texcoord2f[5] = 1;
2555         loadingscreenpic_texcoord2f[6] = 0;loadingscreenpic_texcoord2f[7] = 1;
2556 }
2557
2558 static void SCR_DrawLoadingScreen (void)
2559 {
2560         // we only need to draw the image if it isn't already there
2561         GL_BlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
2562         GL_DepthRange(0, 1);
2563         GL_PolygonOffset(0, 0);
2564         GL_DepthTest(false);
2565 //      R_Mesh_ResetTextureState();
2566         GL_Color(1,1,1,1);
2567         if(loadingscreentexture)
2568         {
2569                 R_Mesh_PrepareVertices_Generic_Arrays(4, loadingscreentexture_vertex3f, NULL, loadingscreentexture_texcoord2f);
2570                 R_SetupShader_Generic(loadingscreentexture, false, true, true);
2571                 R_Mesh_Draw(0, 4, 0, 2, polygonelement3i, NULL, 0, polygonelement3s, NULL, 0);
2572         }
2573         R_Mesh_PrepareVertices_Generic_Arrays(4, loadingscreenpic_vertex3f, NULL, loadingscreenpic_texcoord2f);
2574         R_SetupShader_Generic(Draw_GetPicTexture(loadingscreenpic), true, true, false);
2575         R_Mesh_Draw(0, 4, 0, 2, polygonelement3i, NULL, 0, polygonelement3s, NULL, 0);
2576         SCR_DrawLoadingStack();
2577 }
2578
2579 static double loadingscreen_lastupdate;
2580
2581 static void SCR_UpdateVars(void);
2582
2583 void SCR_UpdateLoadingScreen (qboolean clear, qboolean startup)
2584 {
2585         keydest_t       old_key_dest;
2586         int                     old_key_consoleactive;
2587
2588         // don't do anything if not initialized yet
2589         if (vid_hidden || cls.state == ca_dedicated)
2590                 return;
2591
2592         // limit update rate
2593         if (scr_loadingscreen_maxfps.value)
2594         {
2595                 double t = Sys_DirtyTime();
2596                 if ((t - loadingscreen_lastupdate) < 1.0f/scr_loadingscreen_maxfps.value)
2597                         return;
2598                 loadingscreen_lastupdate = t;
2599         }
2600
2601         // set up the r_texture_gammaramps texture which we need for rendering the loadingscreenpic
2602         R_UpdateVariables();
2603
2604         if(!scr_loadingscreen_background.integer)
2605                 clear = true;
2606
2607         if(loadingscreendone)
2608                 clear |= loadingscreencleared;
2609
2610         if(!loadingscreendone)
2611         {
2612                 if(startup && scr_loadingscreen_firstforstartup.integer)
2613                         loadingscreenpic_number = 0;
2614                 else if(scr_loadingscreen_firstforstartup.integer)
2615                         if(scr_loadingscreen_count.integer > 1)
2616                                 loadingscreenpic_number = rand() % (scr_loadingscreen_count.integer - 1) + 1;
2617                         else
2618                                 loadingscreenpic_number = 0;
2619                 else
2620                         loadingscreenpic_number = rand() % (scr_loadingscreen_count.integer > 1 ? scr_loadingscreen_count.integer : 1);
2621         }
2622
2623         if(clear)
2624                 SCR_ClearLoadingScreenTexture();
2625         else if(!loadingscreendone)
2626                 SCR_SetLoadingScreenTexture();
2627
2628         if(!loadingscreendone)
2629         {
2630                 loadingscreendone = true;
2631                 loadingscreenheight = 0;
2632         }
2633         loadingscreencleared = clear;
2634
2635 #ifdef USE_GLES2
2636         SCR_DrawLoadingScreen_SharedSetup(clear);
2637         SCR_DrawLoadingScreen(clear);
2638 #else
2639         SCR_DrawLoadingScreen_SharedSetup(clear);
2640         if (vid.stereobuffer)
2641         {
2642                 qglDrawBuffer(GL_BACK_LEFT);
2643                 SCR_DrawLoadingScreen();
2644                 qglDrawBuffer(GL_BACK_RIGHT);
2645                 SCR_DrawLoadingScreen();
2646         }
2647         else
2648         {
2649                 qglDrawBuffer(GL_BACK);
2650                 SCR_DrawLoadingScreen();
2651         }
2652 #endif
2653
2654         DrawQ_Finish();
2655         R_Mesh_Finish();
2656         // refresh
2657         VID_Finish();
2658
2659         // this goes into the event loop, and should prevent unresponsive cursor on vista
2660         old_key_dest = key_dest;
2661         old_key_consoleactive = key_consoleactive;
2662         key_dest = key_void;
2663         key_consoleactive = false;
2664         Key_EventQueue_Block(); Sys_SendKeyEvents();
2665         key_dest = old_key_dest;
2666         key_consoleactive = old_key_consoleactive;
2667 }
2668
2669 qboolean R_Stereo_ColorMasking(void)
2670 {
2671         return r_stereo_redblue.integer || r_stereo_redgreen.integer || r_stereo_redcyan.integer;
2672 }
2673
2674 qboolean R_Stereo_Active(void)
2675 {
2676         return (vid.stereobuffer || r_stereo_sidebyside.integer || r_stereo_horizontal.integer || r_stereo_vertical.integer || R_Stereo_ColorMasking());
2677 }
2678
2679 void SCR_UpdateVars(void)
2680 {
2681         float conwidth = bound(160, vid_conwidth.value, 32768);
2682         float conheight = bound(90, vid_conheight.value, 24576);
2683         if (vid_conwidthauto.integer)
2684                 conwidth = floor(conheight * vid.width / (vid.height * vid_pixelheight.value));
2685         if (vid_conwidth.value != conwidth)
2686                 Cvar_SetValueQuick(&vid_conwidth, conwidth);
2687         if (vid_conheight.value != conheight)
2688                 Cvar_SetValueQuick(&vid_conheight, conheight);
2689
2690         // bound viewsize
2691         if (scr_viewsize.value < 30)
2692                 Cvar_SetValueQuick(&scr_viewsize, 30);
2693         if (scr_viewsize.value > 120)
2694                 Cvar_SetValueQuick(&scr_viewsize, 120);
2695
2696         // bound field of view
2697         if (scr_fov.value < 1)
2698                 Cvar_SetValueQuick(&scr_fov, 1);
2699         if (scr_fov.value > 170)
2700                 Cvar_SetValueQuick(&scr_fov, 170);
2701
2702         // intermission is always full screen
2703         if (cl.intermission)
2704                 sb_lines = 0;
2705         else
2706         {
2707                 if (scr_viewsize.value >= 120)
2708                         sb_lines = 0;           // no status bar at all
2709                 else if (scr_viewsize.value >= 110)
2710                         sb_lines = 24;          // no inventory
2711                 else
2712                         sb_lines = 24 + 16 + 8;
2713         }
2714 }
2715
2716 extern cvar_t cl_minfps;
2717 extern cvar_t cl_minfps_fade;
2718 extern cvar_t cl_minfps_qualitymax;
2719 extern cvar_t cl_minfps_qualitymin;
2720 extern cvar_t cl_minfps_qualitymultiply;
2721 extern cvar_t cl_minfps_qualityhysteresis;
2722 extern cvar_t cl_minfps_qualitystepmax;
2723 extern cvar_t cl_minfps_force;
2724 static double cl_updatescreen_quality = 1;
2725 void CL_UpdateScreen(void)
2726 {
2727         vec3_t vieworigin;
2728         static double drawscreenstart = 0.0;
2729         double drawscreendelta;
2730         r_viewport_t viewport;
2731
2732         // TODO: Move to a better place.
2733         cl_punchangle_applied = 0;
2734
2735         if(drawscreenstart)
2736         {
2737                 drawscreendelta = Sys_DirtyTime() - drawscreenstart;
2738 #ifdef CONFIG_VIDEO_CAPTURE
2739                 if (cl_minfps.value > 0 && (cl_minfps_force.integer || !(cls.timedemo || (cls.capturevideo.active && !cls.capturevideo.realtime))) && drawscreendelta >= 0 && drawscreendelta < 60)
2740 #else
2741                 if (cl_minfps.value > 0 && (cl_minfps_force.integer || !cls.timedemo) && drawscreendelta >= 0 && drawscreendelta < 60)
2742 #endif
2743                 {
2744                         // quality adjustment according to render time
2745                         double actualframetime;
2746                         double targetframetime;
2747                         double adjust;
2748                         double f;
2749                         double h;
2750
2751                         // fade lastdrawscreentime
2752                         r_refdef.lastdrawscreentime += (drawscreendelta - r_refdef.lastdrawscreentime) * cl_minfps_fade.value;
2753
2754                         // find actual and target frame times
2755                         actualframetime = r_refdef.lastdrawscreentime;
2756                         targetframetime = (1.0 / cl_minfps.value);
2757
2758                         // we scale hysteresis by quality
2759                         h = cl_updatescreen_quality * cl_minfps_qualityhysteresis.value;
2760
2761                         // calculate adjustment assuming linearity
2762                         f = cl_updatescreen_quality / actualframetime * cl_minfps_qualitymultiply.value;
2763                         adjust = (targetframetime - actualframetime) * f;
2764
2765                         // one sided hysteresis
2766                         if(adjust > 0)
2767                                 adjust = max(0, adjust - h);
2768
2769                         // adjust > 0 if:
2770                         //   (targetframetime - actualframetime) * f > h
2771                         //   ((1.0 / cl_minfps.value) - actualframetime) * (cl_updatescreen_quality / actualframetime * cl_minfps_qualitymultiply.value) > (cl_updatescreen_quality * cl_minfps_qualityhysteresis.value)
2772                         //   ((1.0 / cl_minfps.value) - actualframetime) * (cl_minfps_qualitymultiply.value / actualframetime) > cl_minfps_qualityhysteresis.value
2773                         //   (1.0 / cl_minfps.value) * (cl_minfps_qualitymultiply.value / actualframetime) - cl_minfps_qualitymultiply.value > cl_minfps_qualityhysteresis.value
2774                         //   (1.0 / cl_minfps.value) * (cl_minfps_qualitymultiply.value / actualframetime) > cl_minfps_qualityhysteresis.value + cl_minfps_qualitymultiply.value
2775                         //   (1.0 / cl_minfps.value) / actualframetime > (cl_minfps_qualityhysteresis.value + cl_minfps_qualitymultiply.value) / cl_minfps_qualitymultiply.value
2776                         //   (1.0 / cl_minfps.value) / actualframetime > 1.0 + cl_minfps_qualityhysteresis.value / cl_minfps_qualitymultiply.value
2777                         //   cl_minfps.value * actualframetime < 1.0 / (1.0 + cl_minfps_qualityhysteresis.value / cl_minfps_qualitymultiply.value)
2778                         //   actualframetime < 1.0 / cl_minfps.value / (1.0 + cl_minfps_qualityhysteresis.value / cl_minfps_qualitymultiply.value)
2779                         //   actualfps > cl_minfps.value * (1.0 + cl_minfps_qualityhysteresis.value / cl_minfps_qualitymultiply.value)
2780
2781                         // adjust < 0 if:
2782                         //   (targetframetime - actualframetime) * f < 0
2783                         //   ((1.0 / cl_minfps.value) - actualframetime) * (cl_updatescreen_quality / actualframetime * cl_minfps_qualitymultiply.value) < 0
2784                         //   ((1.0 / cl_minfps.value) - actualframetime) < 0
2785                         //   -actualframetime) < -(1.0 / cl_minfps.value)
2786                         //   actualfps < cl_minfps.value
2787
2788                         /*
2789                         Con_Printf("adjust UP if fps > %f, adjust DOWN if fps < %f\n",
2790                                         cl_minfps.value * (1.0 + cl_minfps_qualityhysteresis.value / cl_minfps_qualitymultiply.value),
2791                                         cl_minfps.value);
2792                         */
2793
2794                         // don't adjust too much at once
2795                         adjust = bound(-cl_minfps_qualitystepmax.value, adjust, cl_minfps_qualitystepmax.value);
2796
2797                         // adjust!
2798                         cl_updatescreen_quality += adjust;
2799                         cl_updatescreen_quality = bound(max(0.01, cl_minfps_qualitymin.value), cl_updatescreen_quality, cl_minfps_qualitymax.value);
2800                 }
2801                 else
2802                 {
2803                         cl_updatescreen_quality = 1;
2804                         r_refdef.lastdrawscreentime = 0;
2805                 }
2806         }
2807
2808         drawscreenstart = Sys_DirtyTime();
2809
2810         Sbar_ShowFPS_Update();
2811
2812         if (!scr_initialized || !con_initialized || !scr_refresh.integer)
2813                 return;                         // not initialized yet
2814
2815         loadingscreendone = false;
2816
2817         if(IS_NEXUIZ_DERIVED(gamemode))
2818         {
2819                 // play a bit with the palette (experimental)
2820                 palette_rgb_pantscolormap[15][0] = (unsigned char) (128 + 127 * sin(cl.time / exp(1.0f) + 0.0f*M_PI/3.0f));
2821                 palette_rgb_pantscolormap[15][1] = (unsigned char) (128 + 127 * sin(cl.time / exp(1.0f) + 2.0f*M_PI/3.0f));
2822                 palette_rgb_pantscolormap[15][2] = (unsigned char) (128 + 127 * sin(cl.time / exp(1.0f) + 4.0f*M_PI/3.0f));
2823                 palette_rgb_shirtcolormap[15][0] = (unsigned char) (128 + 127 * sin(cl.time /  M_PI  + 5.0f*M_PI/3.0f));
2824                 palette_rgb_shirtcolormap[15][1] = (unsigned char) (128 + 127 * sin(cl.time /  M_PI  + 3.0f*M_PI/3.0f));
2825                 palette_rgb_shirtcolormap[15][2] = (unsigned char) (128 + 127 * sin(cl.time /  M_PI  + 1.0f*M_PI/3.0f));
2826                 memcpy(palette_rgb_pantsscoreboard[15], palette_rgb_pantscolormap[15], sizeof(*palette_rgb_pantscolormap));
2827                 memcpy(palette_rgb_shirtscoreboard[15], palette_rgb_shirtcolormap[15], sizeof(*palette_rgb_shirtcolormap));
2828         }
2829
2830         if (vid_hidden)
2831         {
2832                 VID_Finish();
2833                 return;
2834         }
2835
2836         SCR_UpdateVars();
2837
2838         R_FrameData_NewFrame();
2839         R_BufferData_NewFrame();
2840
2841         Matrix4x4_OriginFromMatrix(&r_refdef.view.matrix, vieworigin);
2842         R_HDR_UpdateIrisAdaptation(vieworigin);
2843
2844         r_refdef.view.colormask[0] = 1;
2845         r_refdef.view.colormask[1] = 1;
2846         r_refdef.view.colormask[2] = 1;
2847
2848         SCR_SetUpToDrawConsole();
2849
2850 #ifndef USE_GLES2
2851         CHECKGLERROR
2852         qglDrawBuffer(GL_BACK);CHECKGLERROR
2853 #endif
2854
2855         R_Viewport_InitOrtho(&viewport, &identitymatrix, 0, 0, vid.width, vid.height, 0, 0, vid_conwidth.integer, vid_conheight.integer, -10, 100, NULL);
2856         R_Mesh_SetRenderTargets(0, NULL, NULL, NULL, NULL, NULL);
2857         R_SetViewport(&viewport);
2858         GL_ScissorTest(false);
2859         GL_ColorMask(1,1,1,1);
2860         GL_DepthMask(true);
2861
2862         R_ClearScreen(false);
2863         r_refdef.view.clear = false;
2864         r_refdef.view.isoverlay = false;
2865
2866         // calculate r_refdef.view.quality
2867         r_refdef.view.quality = cl_updatescreen_quality;
2868
2869         if(scr_stipple.integer)
2870         {
2871                 Con_Print("FIXME: scr_stipple not implemented\n");
2872                 Cvar_SetValueQuick(&scr_stipple, 0);
2873         }
2874
2875 #ifndef USE_GLES2
2876         if (R_Stereo_Active())
2877         {
2878                 r_stereo_side = 0;
2879
2880                 if (r_stereo_redblue.integer || r_stereo_redgreen.integer || r_stereo_redcyan.integer)
2881                 {
2882                         r_refdef.view.colormask[0] = 1;
2883                         r_refdef.view.colormask[1] = 0;
2884                         r_refdef.view.colormask[2] = 0;
2885                 }
2886
2887                 if (vid.stereobuffer)
2888                         qglDrawBuffer(GL_BACK_RIGHT);
2889
2890                 SCR_DrawScreen();
2891
2892                 r_stereo_side = 1;
2893                 r_refdef.view.clear = true;
2894
2895                 if (r_stereo_redblue.integer || r_stereo_redgreen.integer || r_stereo_redcyan.integer)
2896                 {
2897                         r_refdef.view.colormask[0] = 0;
2898                         r_refdef.view.colormask[1] = r_stereo_redcyan.integer || r_stereo_redgreen.integer;
2899                         r_refdef.view.colormask[2] = r_stereo_redcyan.integer || r_stereo_redblue.integer;
2900                 }
2901
2902                 if (vid.stereobuffer)
2903                         qglDrawBuffer(GL_BACK_LEFT);
2904
2905                 SCR_DrawScreen();
2906                 r_stereo_side = 0;
2907         }
2908         else
2909 #endif
2910         {
2911                 r_stereo_side = 0;
2912                 SCR_DrawScreen();
2913         }
2914
2915 #ifdef CONFIG_VIDEO_CAPTURE
2916         SCR_CaptureVideo();
2917 #endif
2918
2919         qglFlush(); // ensure that the commands are submitted to the GPU before we do other things
2920
2921         if (!vid_activewindow)
2922                 VID_SetMouse(false, false, false);
2923         else if (key_consoleactive)
2924                 VID_SetMouse(vid.fullscreen, false, false);
2925         else if (key_dest == key_menu_grabbed)
2926                 VID_SetMouse(true, vid_mouse.integer && !in_client_mouse && !vid_touchscreen.integer, !vid_touchscreen.integer);
2927         else if (key_dest == key_menu)
2928                 VID_SetMouse(vid.fullscreen, vid_mouse.integer && !in_client_mouse && !vid_touchscreen.integer, !vid_touchscreen.integer);
2929         else
2930                 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);
2931
2932         VID_Finish();
2933 }
2934
2935 void CL_Screen_NewMap(void)
2936 {
2937 }