]> de.git.xonotic.org Git - xonotic/darkplaces.git/blobdiff - cl_screen.c
Fix engine not starting on Windows if linked against SDL > 2.0.5
[xonotic/darkplaces.git] / cl_screen.c
index 0ef93047a3f4247388044dae298cd8d14032ed4a..9625b6443bec916e258464a8bd236e6fde49e4a4 100644 (file)
@@ -38,7 +38,7 @@ cvar_t scr_showturtle = {CVAR_SAVE, "showturtle","0", "show turtle icon when fra
 cvar_t scr_showpause = {CVAR_SAVE, "showpause","1", "show pause icon when game is paused"};
 cvar_t scr_showbrand = {0, "showbrand","0", "shows gfx/brand.tga in a corner of the screen (different values select different positions, including centered)"};
 cvar_t scr_printspeed = {0, "scr_printspeed","0", "speed of intermission printing (episode end texts), a value of 0 disables the slow printing"};
-cvar_t scr_loadingscreen_background = {0, "scr_loadingscreen_background","0", "show the last visible background during loading screen (costs one screenful of video memory)"};
+cvar_t scr_loadingscreen_background = {0, "scr_loadingscreen_background","1", "show the last visible background during loading screen (costs one screenful of video memory)"};
 cvar_t scr_loadingscreen_scale = {0, "scr_loadingscreen_scale","1", "scale factor of the background"};
 cvar_t scr_loadingscreen_scale_base = {0, "scr_loadingscreen_scale_base","0", "0 = console pixels, 1 = video pixels"};
 cvar_t scr_loadingscreen_scale_limit = {0, "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"};
@@ -49,7 +49,8 @@ cvar_t scr_loadingscreen_barcolor = {0, "scr_loadingscreen_barcolor", "0 0 1", "
 cvar_t scr_loadingscreen_barheight = {0, "scr_loadingscreen_barheight", "8", "the height of the loadingscreen progress bar"};
 cvar_t scr_loadingscreen_maxfps = {0, "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)"};
 cvar_t scr_infobar_height = {0, "scr_infobar_height", "8", "the height of the infobar items"};
-cvar_t vid_conwidth = {CVAR_SAVE, "vid_conwidth", "640", "virtual width of 2D graphics system"};
+cvar_t vid_conwidthauto = { CVAR_SAVE, "vid_conwidthauto", "1", "automatically update vid_conwidth to match aspect ratio" };
+cvar_t vid_conwidth = {CVAR_SAVE, "vid_conwidth", "640", "virtual width of 2D graphics system (note: changes may be overwritten, see vid_conwidthauto)"};
 cvar_t vid_conheight = {CVAR_SAVE, "vid_conheight", "480", "virtual height of 2D graphics system"};
 cvar_t vid_pixelheight = {CVAR_SAVE, "vid_pixelheight", "1", "adjusts vertical field of vision to account for non-square pixels (1280x1024 on a CRT monitor for example)"};
 cvar_t scr_screenshot_jpeg = {CVAR_SAVE, "scr_screenshot_jpeg","1", "save jpeg instead of targa"};
@@ -112,7 +113,6 @@ cvar_t r_speeds_graph_maxdefault = {CVAR_SAVE, "r_speeds_graph_maxdefault", "100
 
 
 
-extern cvar_t v_glslgamma;
 extern cvar_t sbar_info_pos;
 extern cvar_t r_fog_clear;
 
@@ -253,14 +253,12 @@ static void SCR_CheckDrawCenterString (void)
 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)
 {
        netgraphitem_t *graph;
-       int j, x, y, numlines;
+       int j, x, y;
        int totalbytes = 0;
        char bytesstring[128];
        float g[NETGRAPH_PACKETS][7];
        float *a;
        float *b;
-       r_vertexgeneric_t vertex[(NETGRAPH_PACKETS+2)*6*2];
-       r_vertexgeneric_t *v;
        DrawQ_Fill(graphx, graphy, graphwidth, graphheight + textsize * 2, 0, 0, 0, 0.5, 0);
        // draw the bar graph itself
        memset(g, 0, sizeof(g));
@@ -300,38 +298,18 @@ static void SCR_DrawNetGraph_DrawGraph (int graphx, int graphy, int graphwidth,
                g[j][6] = bound(0.0f, g[j][6], 1.0f);
        }
        // render the lines for the graph
-       numlines = 0;
-       v = vertex;
        for (j = 0;j < NETGRAPH_PACKETS;j++)
        {
                a = g[j];
                b = g[(j+1)%NETGRAPH_PACKETS];
                if (a[0] < 0.0f || b[0] > 1.0f || b[0] < a[0])
                        continue;
-               VectorSet(v->vertex3f, graphx + graphwidth * a[0], graphy + graphheight * a[2], 0.0f);Vector4Set(v->color4f, 1.0f, 1.0f, 0.0f, 1.0f);Vector2Set(v->texcoord2f, 0.0f, 0.0f);v++;
-               VectorSet(v->vertex3f, graphx + graphwidth * b[0], graphy + graphheight * b[2], 0.0f);Vector4Set(v->color4f, 1.0f, 1.0f, 0.0f, 1.0f);Vector2Set(v->texcoord2f, 0.0f, 0.0f);v++;
-
-               VectorSet(v->vertex3f, graphx + graphwidth * a[0], graphy + graphheight * a[1], 0.0f);Vector4Set(v->color4f, 1.0f, 0.0f, 0.0f, 1.0f);Vector2Set(v->texcoord2f, 0.0f, 0.0f);v++;
-               VectorSet(v->vertex3f, graphx + graphwidth * b[0], graphy + graphheight * b[1], 0.0f);Vector4Set(v->color4f, 1.0f, 0.0f, 0.0f, 1.0f);Vector2Set(v->texcoord2f, 0.0f, 0.0f);v++;
-
-               VectorSet(v->vertex3f, graphx + graphwidth * a[0], graphy + graphheight * a[5], 0.0f);Vector4Set(v->color4f, 0.0f, 1.0f, 0.0f, 1.0f);Vector2Set(v->texcoord2f, 0.0f, 0.0f);v++;
-               VectorSet(v->vertex3f, graphx + graphwidth * b[0], graphy + graphheight * b[5], 0.0f);Vector4Set(v->color4f, 0.0f, 1.0f, 0.0f, 1.0f);Vector2Set(v->texcoord2f, 0.0f, 0.0f);v++;
-
-               VectorSet(v->vertex3f, graphx + graphwidth * a[0], graphy + graphheight * a[4], 0.0f);Vector4Set(v->color4f, 1.0f, 1.0f, 1.0f, 1.0f);Vector2Set(v->texcoord2f, 0.0f, 0.0f);v++;
-               VectorSet(v->vertex3f, graphx + graphwidth * b[0], graphy + graphheight * b[4], 0.0f);Vector4Set(v->color4f, 1.0f, 1.0f, 1.0f, 1.0f);Vector2Set(v->texcoord2f, 0.0f, 0.0f);v++;
-
-               VectorSet(v->vertex3f, graphx + graphwidth * a[0], graphy + graphheight * a[3], 0.0f);Vector4Set(v->color4f, 1.0f, 0.5f, 0.0f, 1.0f);Vector2Set(v->texcoord2f, 0.0f, 0.0f);v++;
-               VectorSet(v->vertex3f, graphx + graphwidth * b[0], graphy + graphheight * b[3], 0.0f);Vector4Set(v->color4f, 1.0f, 0.5f, 0.0f, 1.0f);Vector2Set(v->texcoord2f, 0.0f, 0.0f);v++;
-
-               VectorSet(v->vertex3f, graphx + graphwidth * a[0], graphy + graphheight * a[6], 0.0f);Vector4Set(v->color4f, 0.0f, 0.0f, 1.0f, 1.0f);Vector2Set(v->texcoord2f, 0.0f, 0.0f);v++;
-               VectorSet(v->vertex3f, graphx + graphwidth * b[0], graphy + graphheight * b[6], 0.0f);Vector4Set(v->color4f, 0.0f, 0.0f, 1.0f, 1.0f);Vector2Set(v->texcoord2f, 0.0f, 0.0f);v++;
-
-               numlines += 6;
-       }
-       if (numlines > 0)
-       {
-               R_Mesh_PrepareVertices_Generic(numlines*2, vertex, NULL, 0);
-               DrawQ_Lines(0.0f, numlines, 0, false);
+               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);
+               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);
+               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);
+               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);
+               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);
+               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);
        }
        x = graphx;
        y = graphy + graphheight;
@@ -458,7 +436,7 @@ static void SCR_DrawPause (void)
                return;
 
        pic = Draw_CachePic ("gfx/pause");
-       DrawQ_Pic ((vid_conwidth.integer - pic->width)/2, (vid_conheight.integer - pic->height)/2, pic, 0, 0, 1, 1, 1, 1, 0);
+       DrawQ_Pic ((vid_conwidth.integer - Draw_GetPicWidth(pic))/2, (vid_conheight.integer - Draw_GetPicHeight(pic))/2, pic, 0, 0, 1, 1, 1, 1, 0);
 }
 
 /*
@@ -480,26 +458,26 @@ static void SCR_DrawBrand (void)
        {
        case 1: // bottom left
                x = 0;
-               y = vid_conheight.integer - pic->height;
+               y = vid_conheight.integer - Draw_GetPicHeight(pic);
                break;
        case 2: // bottom centre
-               x = (vid_conwidth.integer - pic->width) / 2;
-               y = vid_conheight.integer - pic->height;
+               x = (vid_conwidth.integer - Draw_GetPicWidth(pic)) / 2;
+               y = vid_conheight.integer - Draw_GetPicHeight(pic);
                break;
        case 3: // bottom right
-               x = vid_conwidth.integer - pic->width;
-               y = vid_conheight.integer - pic->height;
+               x = vid_conwidth.integer - Draw_GetPicWidth(pic);
+               y = vid_conheight.integer - Draw_GetPicHeight(pic);
                break;
        case 4: // centre right
-               x = vid_conwidth.integer - pic->width;
-               y = (vid_conheight.integer - pic->height) / 2;
+               x = vid_conwidth.integer - Draw_GetPicWidth(pic);
+               y = (vid_conheight.integer - Draw_GetPicHeight(pic)) / 2;
                break;
        case 5: // top right
-               x = vid_conwidth.integer - pic->width;
+               x = vid_conwidth.integer - Draw_GetPicWidth(pic);
                y = 0;
                break;
        case 6: // top centre
-               x = (vid_conwidth.integer - pic->width) / 2;
+               x = (vid_conwidth.integer - Draw_GetPicWidth(pic)) / 2;
                y = 0;
                break;
        case 7: // top left
@@ -508,7 +486,7 @@ static void SCR_DrawBrand (void)
                break;
        case 8: // centre left
                x = 0;
-               y = (vid_conheight.integer - pic->height) / 2;
+               y = (vid_conheight.integer - Draw_GetPicHeight(pic)) / 2;
                break;
        default:
                return;
@@ -800,6 +778,8 @@ const char *r_stat_name[r_stat_count] =
        "bloom",
        "bloom_copypixels",
        "bloom_drawpixels",
+       "rendertargets_used",
+       "rendertargets_pixels",
        "indexbufferuploadcount",
        "indexbufferuploadsize",
        "vertexbufferuploadcount",
@@ -814,9 +794,6 @@ const char *r_stat_name[r_stat_count] =
        "bufferdatasize_index16",
        "bufferdatasize_index32",
        "bufferdatasize_uniform",
-       "animcache_vertexmesh_count",
-       "animcache_vertexmesh_vertices",
-       "animcache_vertexmesh_maxvertices",
        "animcache_skeletal_count",
        "animcache_skeletal_bones",
        "animcache_skeletal_maxbones",
@@ -895,10 +872,6 @@ const char *r_stat_name[r_stat_count] =
        "dynamic_surfaces_because_tcmod_turbulent",
        "dynamic_vertices_because_tcmod_turbulent",
        "dynamic_triangles_because_tcmod_turbulent",
-       "dynamic_batches_because_interleavedarrays",
-       "dynamic_surfaces_because_interleavedarrays",
-       "dynamic_vertices_because_interleavedarrays",
-       "dynamic_triangles_because_interleavedarrays",
        "dynamic_batches_because_nogaps",
        "dynamic_surfaces_because_nogaps",
        "dynamic_vertices_because_nogaps",
@@ -1027,6 +1000,7 @@ static void R_TimeReport_EndFrame(void)
 "bouncegrid:%4i lights%6i particles%6i traces%6i hits%6i splats%6i bounces\n"
 "photon cache efficiency:%6i cached%6i traced%6ianimated\n"
 "%6i draws%8i vertices%8i triangles bloompixels%8i copied%8i drawn\n"
+"%3i rendertargets%8i pixels\n"
 "updated%5i indexbuffers%8i bytes%5i vertexbuffers%8i bytes\n"
 "animcache%5ib gpuskeletal%7i vertices (%7i with normals)\n"
 "fastbatch%5i count%5i surfaces%7i vertices %7i triangles\n"
@@ -1043,6 +1017,7 @@ static void R_TimeReport_EndFrame(void)
 , 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]
 , r_refdef.stats[r_stat_photoncache_cached], r_refdef.stats[r_stat_photoncache_traced], r_refdef.stats[r_stat_photoncache_animated]
 , 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]
+, r_refdef.stats[r_stat_rendertargets_used], r_refdef.stats[r_stat_rendertargets_pixels]
 , r_refdef.stats[r_stat_indexbufferuploadcount], r_refdef.stats[r_stat_indexbufferuploadsize], r_refdef.stats[r_stat_vertexbufferuploadcount], r_refdef.stats[r_stat_vertexbufferuploadsize]
 , r_refdef.stats[r_stat_animcache_skeletal_bones], r_refdef.stats[r_stat_animcache_shape_vertices], r_refdef.stats[r_stat_animcache_shade_vertices]
 , 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]
@@ -1135,8 +1110,7 @@ static void R_TimeReport_EndFrame(void)
        if (cls.r_speeds_graph_length)
        {
                char legend[128];
-               r_vertexgeneric_t *v;
-               int i, numlines;
+               int i;
                const int *data;
                float x, y, width, height, scalex, scaley;
                int range_default = max(r_speeds_graph_maxdefault.integer, 1);
@@ -1216,9 +1190,6 @@ static void R_TimeReport_EndFrame(void)
                        // legend text is drawn after the graphs
                        // render the graph lines, we'll go back and render the legend text later
                        scalex = (float)width / (1000000.0 * r_speeds_graph_seconds.value);
-                       // get space in a vertex buffer to draw this
-                       numlines = stats * (graph_length - 1);
-                       v = R_Mesh_PrepareVertices_Generic_Lock(numlines * 2);
                        stats = 0;
                        for (color = 0;color < R_SPEEDS_GRAPH_COLORS;color++)
                        {
@@ -1241,39 +1212,19 @@ static void R_TimeReport_EndFrame(void)
                                sum = 0;
                                for (i = 0;i < graph_length - 1;)
                                {
-                                       v->vertex3f[0] = x + width - sum * scalex;
-                                       if (v->vertex3f[0] < x)
-                                               v->vertex3f[0] = x;
-                                       v->vertex3f[1] = y + height - (data[index] - range_min) * scaley;
-                                       v->vertex3f[2] = 0;
-                                       v->color4f[0] = r_speeds_graph_colors[color][0];
-                                       v->color4f[1] = r_speeds_graph_colors[color][1];
-                                       v->color4f[2] = r_speeds_graph_colors[color][2];
-                                       v->color4f[3] = r_speeds_graph_colors[color][3];
-                                       v->texcoord2f[0] = 0;
-                                       v->texcoord2f[1] = 0;
-                                       v++;
+                                       float x1, y1, x2, y2;
+                                       x1 = max(x, x + width - sum * scalex);
+                                       y1 = y + height - (data[index] - range_min) * scaley;
                                        sum += graph_data[r_stat_timedelta * graph_length + index];
                                        index--;
                                        if (index < 0)
                                                index = graph_length - 1;
                                        i++;
-                                       v->vertex3f[0] = x + width - sum * scalex;
-                                       if (v->vertex3f[0] < x)
-                                               v->vertex3f[0] = x;
-                                       v->vertex3f[1] = y + height - (data[index] - range_min) * scaley;
-                                       v->vertex3f[2] = 0;
-                                       v->color4f[0] = r_speeds_graph_colors[color][0];
-                                       v->color4f[1] = r_speeds_graph_colors[color][1];
-                                       v->color4f[2] = r_speeds_graph_colors[color][2];
-                                       v->color4f[3] = r_speeds_graph_colors[color][3];
-                                       v->texcoord2f[0] = 0;
-                                       v->texcoord2f[1] = 0;
-                                       v++;
+                                       x2 = max(x, x + width - sum * scalex);
+                                       y2 = y + height - (data[index] - range_min) * scaley;
+                                       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);
                                }
                        }
-                       R_Mesh_PrepareVertices_Generic_Unlock();
-                       DrawQ_Lines(0.0f, numlines, 0, false);
                }
 
                // return to not drawing anything if r_render is 0
@@ -1358,6 +1309,7 @@ void CL_Screen_Init(void)
        Cvar_RegisterVariable (&vid_conwidth);
        Cvar_RegisterVariable (&vid_conheight);
        Cvar_RegisterVariable (&vid_pixelheight);
+       Cvar_RegisterVariable (&vid_conwidthauto);
        Cvar_RegisterVariable (&scr_screenshot_jpeg);
        Cvar_RegisterVariable (&scr_screenshot_jpeg_quality);
        Cvar_RegisterVariable (&scr_screenshot_png);
@@ -1854,6 +1806,7 @@ static void R_Envmap_f (void)
        char filename[MAX_QPATH], basename[MAX_QPATH];
        unsigned char *buffer1;
        unsigned char *buffer2;
+       r_rendertarget_t *rt;
 
        if (Cmd_Argc() != 3)
        {
@@ -1886,6 +1839,7 @@ static void R_Envmap_f (void)
        r_refdef.view.depth = 1;
        r_refdef.view.useperspective = true;
        r_refdef.view.isoverlay = false;
+       r_refdef.view.ismain = true;
 
        r_refdef.view.frustum_x = 1; // tan(45 * M_PI / 180.0);
        r_refdef.view.frustum_y = 1; // tan(45 * M_PI / 180.0);
@@ -1895,6 +1849,9 @@ static void R_Envmap_f (void)
        buffer1 = (unsigned char *)Mem_Alloc(tempmempool, size * size * 4);
        buffer2 = (unsigned char *)Mem_Alloc(tempmempool, size * size * 3);
 
+       // TODO: use TEXTYPE_COLORBUFFER16F and output to .exr files as well?
+       rt = R_RenderTarget_Get(size, size, TEXTYPE_DEPTHBUFFER24STENCIL8, true, TEXTYPE_COLORBUFFER, TEXTYPE_UNUSED, TEXTYPE_UNUSED, TEXTYPE_UNUSED);
+       CL_UpdateEntityShading();
        for (j = 0;j < 12;j++)
        {
                dpsnprintf(filename, sizeof(filename), "env/%s%s.tga", basename, envmapinfo[j].name);
@@ -1902,7 +1859,7 @@ static void R_Envmap_f (void)
                r_refdef.view.quality = 1;
                r_refdef.view.clear = true;
                R_Mesh_Start();
-               R_RenderView();
+               R_RenderView(rt->fbo, rt->depthtexture, rt->colortexture[0], 0, 0, size, size);
                R_Mesh_Finish();
                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);
        }
@@ -2070,9 +2027,9 @@ static void SCR_DrawTouchscreenOverlay(void)
                        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);
                        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);
                }
-               pic = a->pic ? Draw_CachePic(a->pic) : NULL;
-               if (pic && pic->tex != r_texture_notexture)
-                       DrawQ_Pic(a->rect[0], a->rect[1], Draw_CachePic(a->pic), a->rect[2], a->rect[3], 1, 1, 1, vid_touchscreen_overlayalpha.value * (0.5f + 0.5f * a->active), 0);
+               pic = a->pic ? Draw_CachePic_Flags(a->pic, CACHEPICFLAG_FAILONMISSING) : NULL;
+               if (Draw_IsPicLoaded(pic))
+                       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);
                if (a->text && a->text[0])
                {
                        int textwidth = DrawQ_TextWidth(a->text, 0, a->textheight, a->textheight, false, FONT_CHAT);
@@ -2096,14 +2053,13 @@ void R_ClearScreen(qboolean fogcolor)
                VectorCopy(r_refdef.fogcolor, clearcolor);
        }
        // clear depth is 1.0
-       // LordHavoc: we use a stencil centered around 128 instead of 0,
-       // to avoid clamping interfering with strange shadow volume
-       // drawing orders
        // clear the screen
-       GL_Clear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT | (vid.stencil ? GL_STENCIL_BUFFER_BIT : 0), clearcolor, 1.0f, 128);
+       GL_Clear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT | (vid.stencil ? GL_STENCIL_BUFFER_BIT : 0), clearcolor, 1.0f, 0);
 }
 
 int r_stereo_side;
+extern cvar_t v_isometric;
+extern cvar_t v_isometric_verticalfov;
 
 static void SCR_DrawScreen (void)
 {
@@ -2113,6 +2069,10 @@ static void SCR_DrawScreen (void)
 
        R_UpdateVariables();
 
+       // this will be set back to 0 by R_RenderView during CL_VM_UpdateView
+       r_refdef.draw2dstage = 1;
+       R_ResetViewRendering2D_Common(0, NULL, NULL, 0, 0, vid.width, vid.height, vid_conwidth.integer, vid_conheight.integer);
+
        // Quake uses clockwise winding, so these are swapped
        r_refdef.view.cullface_front = GL_BACK;
        r_refdef.view.cullface_back = GL_FRONT;
@@ -2174,7 +2134,7 @@ static void SCR_DrawScreen (void)
                // for a 4x3 display, if the ratio is not 4x3 this makes the fov
                // higher/lower according to the ratio
                r_refdef.view.useperspective = true;
-               r_refdef.view.frustum_y = tan(scr_fov.value * M_PI / 360.0) * (3.0/4.0) * cl.viewzoom;
+               r_refdef.view.frustum_y = tan(scr_fov.value * M_PI / 360.0) * (3.0 / 4.0) * cl.viewzoom;
                r_refdef.view.frustum_x = r_refdef.view.frustum_y * (float)r_refdef.view.width / (float)r_refdef.view.height / vid_pixelheight.value;
 
                r_refdef.view.frustum_x *= r_refdef.frustumscale_x;
@@ -2182,14 +2142,22 @@ static void SCR_DrawScreen (void)
                r_refdef.view.ortho_x = atan(r_refdef.view.frustum_x) * (360.0 / M_PI); // abused as angle by VM_CL_R_SetView
                r_refdef.view.ortho_y = atan(r_refdef.view.frustum_y) * (360.0 / M_PI); // abused as angle by VM_CL_R_SetView
 
+               r_refdef.view.ismain = true;
+
                // if CSQC is loaded, it is required to provide the CSQC_UpdateView function,
                // and won't render a view if it does not call that.
                if (cl.csqc_loaded)
                        CL_VM_UpdateView(r_stereo_side ? 0.0 : max(0.0, cl.time - cl.oldtime));
                else
+               {
+                       CL_UpdateEntityShading();
                        R_RenderView(0, NULL, NULL, r_refdef.view.x, r_refdef.view.y, r_refdef.view.width, r_refdef.view.height);
+               }
        }
 
+       // Don't apply debugging stuff like r_showsurfaces to the UI
+       r_refdef.view.showdebug = false;
+
        if (!r_stereo_sidebyside.integer && !r_stereo_horizontal.integer && !r_stereo_vertical.integer)
        {
                r_refdef.view.width = vid.width;
@@ -2272,9 +2240,8 @@ static void SCR_DrawScreen (void)
 
        DrawQ_Finish();
 
-       R_DrawGamma();
-
        R_Mesh_Finish();
+       R_RenderTarget_FreeUnused(false);
 }
 
 typedef struct loadingscreenstack_s
@@ -2311,17 +2278,8 @@ static void SCR_SetLoadingScreenTexture(void)
 
        SCR_ClearLoadingScreenTexture();
 
-       if (vid.support.arb_texture_non_power_of_two)
-       {
-               w = vid.width; h = vid.height;
-               loadingscreentexture_w = loadingscreentexture_h = 1;
-       }
-       else
-       {
-               w = CeilPowerOf2(vid.width); h = CeilPowerOf2(vid.height);
-               loadingscreentexture_w = vid.width / (float) w;
-               loadingscreentexture_h = vid.height / (float) h;
-       }
+       w = vid.width; h = vid.height;
+       loadingscreentexture_w = loadingscreentexture_h = 1;
 
        loadingscreentexture = R_LoadTexture2D(r_main_texturepool, "loadingscreentexture", w, h, NULL, TEXTYPE_COLORBUFFER, TEXF_RENDERTARGET | TEXF_FORCENEAREST | TEXF_CLAMP, -1, NULL);
        R_Mesh_CopyToTexture(loadingscreentexture, 0, 0, 0, 0, vid.width, vid.height);
@@ -2498,8 +2456,8 @@ static void SCR_DrawLoadingScreen_SharedSetup (qboolean clear)
        // draw the loading plaque
        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);
 
-       w = loadingscreenpic->width;
-       h = loadingscreenpic->height;
+       w = Draw_GetPicWidth(loadingscreenpic);
+       h = Draw_GetPicHeight(loadingscreenpic);
 
        // apply scale
        w *= scr_loadingscreen_scale.value;
@@ -2562,11 +2520,11 @@ static void SCR_DrawLoadingScreen (qboolean clear)
        if(loadingscreentexture)
        {
                R_Mesh_PrepareVertices_Generic_Arrays(4, loadingscreentexture_vertex3f, NULL, loadingscreentexture_texcoord2f);
-               R_SetupShader_Generic(loadingscreentexture, NULL, GL_MODULATE, 1, true, true, true);
+               R_SetupShader_Generic(loadingscreentexture, false, true, true);
                R_Mesh_Draw(0, 4, 0, 2, polygonelement3i, NULL, 0, polygonelement3s, NULL, 0);
        }
        R_Mesh_PrepareVertices_Generic_Arrays(4, loadingscreenpic_vertex3f, NULL, loadingscreenpic_texcoord2f);
-       R_SetupShader_Generic(Draw_GetPicTexture(loadingscreenpic), NULL, GL_MODULATE, 1, true, true, false);
+       R_SetupShader_Generic(Draw_GetPicTexture(loadingscreenpic), true, true, false);
        R_Mesh_Draw(0, 4, 0, 2, polygonelement3i, NULL, 0, polygonelement3s, NULL, 0);
        SCR_DrawLoadingStack();
 }
@@ -2580,6 +2538,8 @@ static void SCR_DrawLoadingScreen_SharedFinish (qboolean clear)
 
 static double loadingscreen_lastupdate;
 
+static void SCR_UpdateVars(void);
+
 void SCR_UpdateLoadingScreen (qboolean clear, qboolean startup)
 {
        keydest_t       old_key_dest;
@@ -2598,6 +2558,12 @@ void SCR_UpdateLoadingScreen (qboolean clear, qboolean startup)
                loadingscreen_lastupdate = t;
        }
 
+       SCR_UpdateVars();
+
+       // set up the r_texture_gammaramps texture which we need for rendering the loadingscreenpic
+       VID_UpdateGamma();
+       R_UpdateVariables();
+
        if(!scr_loadingscreen_background.integer)
                clear = true;
        
@@ -2633,10 +2599,9 @@ void SCR_UpdateLoadingScreen (qboolean clear, qboolean startup)
        SCR_DrawLoadingScreen_SharedSetup(clear);
        SCR_DrawLoadingScreen(clear);
 #else
-       if (qglDrawBuffer)
-               qglDrawBuffer(GL_BACK);
+       qglDrawBuffer(GL_BACK);
        SCR_DrawLoadingScreen_SharedSetup(clear);
-       if (vid.stereobuffer && qglDrawBuffer)
+       if (vid.stereobuffer)
        {
                qglDrawBuffer(GL_BACK_LEFT);
                SCR_DrawLoadingScreen(clear);
@@ -2645,8 +2610,7 @@ void SCR_UpdateLoadingScreen (qboolean clear, qboolean startup)
        }
        else
        {
-               if (qglDrawBuffer)
-                       qglDrawBuffer(GL_BACK);
+               qglDrawBuffer(GL_BACK);
                SCR_DrawLoadingScreen(clear);
        }
 #endif
@@ -2672,6 +2636,43 @@ qboolean R_Stereo_Active(void)
        return (vid.stereobuffer || r_stereo_sidebyside.integer || r_stereo_horizontal.integer || r_stereo_vertical.integer || R_Stereo_ColorMasking());
 }
 
+void SCR_UpdateVars(void)
+{
+       float conwidth = bound(160, vid_conwidth.value, 32768);
+       float conheight = bound(90, vid_conheight.value, 24576);
+       if (vid_conwidthauto.integer)
+               conwidth = floor(conheight * vid.width / (vid.height * vid_pixelheight.value));
+       if (vid_conwidth.value != conwidth)
+               Cvar_SetValue("vid_conwidth", conwidth);
+       if (vid_conheight.value != conheight)
+               Cvar_SetValue("vid_conheight", conheight);
+
+       // bound viewsize
+       if (scr_viewsize.value < 30)
+               Cvar_Set("viewsize", "30");
+       if (scr_viewsize.value > 120)
+               Cvar_Set("viewsize", "120");
+
+       // bound field of view
+       if (scr_fov.value < 1)
+               Cvar_Set("fov", "1");
+       if (scr_fov.value > 170)
+               Cvar_Set("fov", "170");
+
+       // intermission is always full screen
+       if (cl.intermission)
+               sb_lines = 0;
+       else
+       {
+               if (scr_viewsize.value >= 120)
+                       sb_lines = 0;           // no status bar at all
+               else if (scr_viewsize.value >= 110)
+                       sb_lines = 24;          // no inventory
+               else
+                       sb_lines = 24 + 16 + 8;
+       }
+}
+
 extern cvar_t cl_minfps;
 extern cvar_t cl_minfps_fade;
 extern cvar_t cl_minfps_qualitymax;
@@ -2686,7 +2687,6 @@ void CL_UpdateScreen(void)
        vec3_t vieworigin;
        static double drawscreenstart = 0.0;
        double drawscreendelta;
-       float conwidth, conheight;
        r_viewport_t viewport;
 
        if(drawscreenstart)
@@ -2786,37 +2786,7 @@ void CL_UpdateScreen(void)
                return;
        }
 
-       conwidth = bound(160, vid_conwidth.value, 32768);
-       conheight = bound(90, vid_conheight.value, 24576);
-       if (vid_conwidth.value != conwidth)
-               Cvar_SetValue("vid_conwidth", conwidth);
-       if (vid_conheight.value != conheight)
-               Cvar_SetValue("vid_conheight", conheight);
-
-       // bound viewsize
-       if (scr_viewsize.value < 30)
-               Cvar_Set ("viewsize","30");
-       if (scr_viewsize.value > 120)
-               Cvar_Set ("viewsize","120");
-
-       // bound field of view
-       if (scr_fov.value < 1)
-               Cvar_Set ("fov","1");
-       if (scr_fov.value > 170)
-               Cvar_Set ("fov","170");
-
-       // intermission is always full screen
-       if (cl.intermission)
-               sb_lines = 0;
-       else
-       {
-               if (scr_viewsize.value >= 120)
-                       sb_lines = 0;           // no status bar at all
-               else if (scr_viewsize.value >= 110)
-                       sb_lines = 24;          // no inventory
-               else
-                       sb_lines = 24+16+8;
-       }
+       SCR_UpdateVars();
 
        R_FrameData_NewFrame();
        R_BufferData_NewFrame();
@@ -2831,20 +2801,8 @@ void CL_UpdateScreen(void)
        SCR_SetUpToDrawConsole();
 
 #ifndef USE_GLES2
-       if (qglDrawBuffer)
-       {
-               CHECKGLERROR
-               qglDrawBuffer(GL_BACK);CHECKGLERROR
-               // set dithering mode
-               if (gl_dither.integer)
-               {
-                       qglEnable(GL_DITHER);CHECKGLERROR
-               }
-               else
-               {
-                       qglDisable(GL_DITHER);CHECKGLERROR
-               }
-       }
+       CHECKGLERROR
+       qglDrawBuffer(GL_BACK);CHECKGLERROR
 #endif
 
        R_Viewport_InitOrtho(&viewport, &identitymatrix, 0, 0, vid.width, vid.height, 0, 0, vid_conwidth.integer, vid_conheight.integer, -10, 100, NULL);
@@ -2861,34 +2819,11 @@ void CL_UpdateScreen(void)
        // calculate r_refdef.view.quality
        r_refdef.view.quality = cl_updatescreen_quality;
 
-#ifndef USE_GLES2
-       if (qglPolygonStipple)
+       if(scr_stipple.integer)
        {
-               if(scr_stipple.integer)
-               {
-                       GLubyte stipple[128];
-                       int i, s, width, parts;
-                       static int frame = 0;
-                       ++frame;
-       
-                       s = scr_stipple.integer;
-                       parts = (s & 007);
-                       width = (s & 070) >> 3;
-       
-                       qglEnable(GL_POLYGON_STIPPLE);CHECKGLERROR // 0x0B42
-                       for(i = 0; i < 128; ++i)
-                       {
-                               int line = i/4;
-                               stipple[i] = (((line >> width) + frame) & ((1 << parts) - 1)) ? 0x00 : 0xFF;
-                       }
-                       qglPolygonStipple(stipple);CHECKGLERROR
-               }
-               else
-               {
-                       qglDisable(GL_POLYGON_STIPPLE);CHECKGLERROR
-               }
+               Con_Print("FIXME: scr_stipple not implemented\n");
+               Cvar_SetValueQuick(&scr_stipple, 0);
        }
-#endif
 
 #ifndef USE_GLES2
        if (R_Stereo_Active())
@@ -2934,8 +2869,7 @@ void CL_UpdateScreen(void)
        SCR_CaptureVideo();
 #endif
 
-       if (qglFlush)
-               qglFlush(); // FIXME: should we really be using qglFlush here?
+       qglFlush(); // ensure that the commands are submitted to the GPU before we do other things
 
        if (!vid_activewindow)
                VID_SetMouse(false, false, false);