]> de.git.xonotic.org Git - xonotic/darkplaces.git/blobdiff - vid_shared.c
implemented vid_samples cvar (antialiasing samples per pixel)
[xonotic/darkplaces.git] / vid_shared.c
index a11cfc32e1f6640051eeb9b1a32bcb83463f61c7..280b111665e32e6c852f4887ebef66da46196698 100644 (file)
@@ -82,7 +82,9 @@ cvar_t vid_fullscreen = {CVAR_SAVE, "vid_fullscreen", "1", "use fullscreen (1) o
 cvar_t vid_width = {CVAR_SAVE, "vid_width", "640", "resolution"};
 cvar_t vid_height = {CVAR_SAVE, "vid_height", "480", "resolution"};
 cvar_t vid_bitsperpixel = {CVAR_SAVE, "vid_bitsperpixel", "32", "how many bits per pixel to render at (32 or 16, 32 is recommended)"};
+cvar_t vid_samples = {CVAR_SAVE, "vid_samples", "1", "how many anti-aliasing samples per pixel to request from the graphics driver (4 is recommended, 1 is faster)"};
 cvar_t vid_refreshrate = {CVAR_SAVE, "vid_refreshrate", "60", "refresh rate to use, in hz (higher values flicker less, if supported by your monitor)"};
+cvar_t vid_userefreshrate = {CVAR_SAVE, "vid_userefreshrate", "0", "set this to 1 to make vid_refreshrate used, or to 0 to let the engine choose a sane default"};
 cvar_t vid_stereobuffer = {CVAR_SAVE, "vid_stereobuffer", "0", "enables 'quad-buffered' stereo rendering for stereo shutterglasses, HMD (head mounted display) devices, or polarized stereo LCDs, if supported by your drivers"};
 
 cvar_t vid_vsync = {CVAR_SAVE, "vid_vsync", "0", "sync to vertical blank, prevents 'tearing' (seeing part of one frame and part of another on the screen at the same time), automatically disabled when doing timedemo benchmarks"};
@@ -111,6 +113,7 @@ cvar_t v_color_white_r = {CVAR_SAVE, "v_color_white_r", "1", "desired color of w
 cvar_t v_color_white_g = {CVAR_SAVE, "v_color_white_g", "1", "desired color of white"};
 cvar_t v_color_white_b = {CVAR_SAVE, "v_color_white_b", "1", "desired color of white"};
 cvar_t v_hwgamma = {CVAR_SAVE, "v_hwgamma", "1", "enables use of hardware gamma correction ramps if available (note: does not work very well on Windows2000 and above), values are 0 = off, 1 = attempt to use hardware gamma, 2 = use hardware gamma whether it works or not"};
+cvar_t v_glslgamma = {CVAR_SAVE, "v_glslgamma", "0", "enables use of GLSL to apply gamma correction ramps if available (note: overrides v_hwgamma)"};
 cvar_t v_psycho = {0, "v_psycho", "0", "easter egg (does not work on Windows2000 or above)"};
 
 // brand of graphics chip
@@ -383,14 +386,14 @@ int GL_CheckExtension(const char *name, const dllfunction_t *funcs, const char *
        int failed = false;
        const dllfunction_t *func;
 
-       Con_Printf("checking for %s...  ", name);
+       Con_DPrintf("checking for %s...  ", name);
 
        for (func = funcs;func && func->name;func++)
                *func->funcvariable = NULL;
 
        if (disableparm && (COM_CheckParm(disableparm) || COM_CheckParm("-safe")))
        {
-               Con_Print("disabled by commandline\n");
+               Con_DPrint("disabled by commandline\n");
                return false;
        }
 
@@ -402,19 +405,19 @@ int GL_CheckExtension(const char *name, const dllfunction_t *funcs, const char *
                        if (!(*func->funcvariable = (void *) GL_GetProcAddress(func->name)))
                        {
                                if (!silent)
-                                       Con_Printf("OpenGL extension \"%s\" is missing function \"%s\" - broken driver!\n", name, func->name);
+                                       Con_DPrintf("OpenGL extension \"%s\" is missing function \"%s\" - broken driver!\n", name, func->name);
                                failed = true;
                        }
                }
                // delay the return so it prints all missing functions
                if (failed)
                        return false;
-               Con_Print("enabled\n");
+               Con_DPrint("enabled\n");
                return true;
        }
        else
        {
-               Con_Print("not detected\n");
+               Con_DPrint("not detected\n");
                return false;
        }
 }
@@ -736,16 +739,10 @@ void VID_CheckExtensions(void)
        if (!GL_CheckExtension("OpenGL 1.1.0", opengl110funcs, NULL, false))
                Sys_Error("OpenGL 1.1.0 functions not found");
 
-       Con_Printf("GL_VENDOR: %s\n", gl_vendor);
-       Con_Printf("GL_RENDERER: %s\n", gl_renderer);
-       Con_Printf("GL_VERSION: %s\n", gl_version);
-       Con_Printf("GL_EXTENSIONS: %s\n", gl_extensions);
-       Con_Printf("%s_EXTENSIONS: %s\n", gl_platform, gl_platformextensions);
-
        CHECKGLERROR
        qglGetIntegerv(GL_MAX_TEXTURE_SIZE, &gl_max_texture_size);
 
-       Con_Print("Checking OpenGL extensions...\n");
+       Con_DPrint("Checking OpenGL extensions...\n");
 
 // COMMANDLINEOPTION: GL: -nodrawrangeelements disables GL_EXT_draw_range_elements (renders faster)
        if (!GL_CheckExtension("glDrawRangeElements", drawrangeelementsfuncs, "-nodrawrangeelements", true))
@@ -893,7 +890,11 @@ void VID_UpdateGamma(qboolean force, int rampsize)
        if (cls.state == ca_dedicated)
                return;
 
-       wantgamma = (vid_activewindow ? v_hwgamma.integer : 0);
+       wantgamma = v_hwgamma.integer;
+       if(r_glsl.integer && v_glslgamma.integer)
+               wantgamma = 0;
+       if(!vid_activewindow)
+               wantgamma = 0;
 #define BOUNDCVAR(cvar, m1, m2) c = &(cvar);f = bound(m1, c->value, m2);if (c->value != f) Cvar_SetValueQuick(c, f);
        BOUNDCVAR(v_gamma, 0.1, 5);
        BOUNDCVAR(v_contrast, 1, 5);
@@ -912,27 +913,29 @@ void VID_UpdateGamma(qboolean force, int rampsize)
 
        // set vid_gammatables_trivial to true if the current settings would generate the identity gamma table
        vid_gammatables_trivial = false;
-       if(v_color_enable.integer)
-       {
-               if(v_contrastboost.value == 1)
-               if(v_color_black_r.value == 0)
-               if(v_color_black_g.value == 0)
-               if(v_color_black_b.value == 0)
-               if(fabs(v_color_grey_r.value - 0.5) < 1e-6)
-               if(fabs(v_color_grey_g.value - 0.5) < 1e-6)
-               if(fabs(v_color_grey_b.value - 0.5) < 1e-6)
-               if(v_color_white_r.value == 1)
-               if(v_color_white_g.value == 1)
-               if(v_color_white_b.value == 1)
-                       vid_gammatables_trivial = true;
-       }
-       else
+       if(v_psycho.integer == 0)
+       if(v_contrastboost.value == 1)
        {
-               if(v_contrastboost.value == 1)
-               if(v_gamma.value == 1)
-               if(v_contrast.value == 1)
-               if(v_brightness.value == 0)
-                       vid_gammatables_trivial = true;
+               if(v_color_enable.integer)
+               {
+                       if(v_color_black_r.value == 0)
+                       if(v_color_black_g.value == 0)
+                       if(v_color_black_b.value == 0)
+                       if(fabs(v_color_grey_r.value - 0.5) < 1e-6)
+                       if(fabs(v_color_grey_g.value - 0.5) < 1e-6)
+                       if(fabs(v_color_grey_b.value - 0.5) < 1e-6)
+                       if(v_color_white_r.value == 1)
+                       if(v_color_white_g.value == 1)
+                       if(v_color_white_b.value == 1)
+                               vid_gammatables_trivial = true;
+               }
+               else
+               {
+                       if(v_gamma.value == 1)
+                       if(v_contrast.value == 1)
+                       if(v_brightness.value == 0)
+                               vid_gammatables_trivial = true;
+               }
        }
 
 #define GAMMACHECK(cache, value) if (cache != (value)) gamma_changed = true;cache = (value)
@@ -1035,6 +1038,7 @@ void VID_Shared_Init(void)
        Cvar_RegisterVariable(&v_color_white_b);
 
        Cvar_RegisterVariable(&v_hwgamma);
+       Cvar_RegisterVariable(&v_glslgamma);
 
        Cvar_RegisterVariable(&v_psycho);
 
@@ -1042,7 +1046,9 @@ void VID_Shared_Init(void)
        Cvar_RegisterVariable(&vid_width);
        Cvar_RegisterVariable(&vid_height);
        Cvar_RegisterVariable(&vid_bitsperpixel);
+       Cvar_RegisterVariable(&vid_samples);
        Cvar_RegisterVariable(&vid_refreshrate);
+       Cvar_RegisterVariable(&vid_userefreshrate);
        Cvar_RegisterVariable(&vid_stereobuffer);
        Cvar_RegisterVariable(&vid_vsync);
        Cvar_RegisterVariable(&vid_mouse);
@@ -1059,23 +1065,27 @@ void VID_Shared_Init(void)
                Cvar_Set("gl_combine", "0");
 }
 
-int VID_Mode(int fullscreen, int width, int height, int bpp, int refreshrate, int stereobuffer)
+int VID_Mode(int fullscreen, int width, int height, int bpp, int refreshrate, int stereobuffer, int samples)
 {
        cl_ignoremousemoves = 2;
-       Con_Printf("Video: %s %dx%dx%dx%dhz%s\n", fullscreen ? "fullscreen" : "window", width, height, bpp, refreshrate, stereobuffer ? " stereo" : "");
-       if (VID_InitMode(fullscreen, width, height, bpp, refreshrate, stereobuffer))
+       Con_Printf("Initialized Video Mode: %s %dx%dx%dx%dhz%s%s\n", fullscreen ? "fullscreen" : "window", width, height, bpp, refreshrate, stereobuffer ? " stereo" : "", samples > 1 ? va("(%ix AA)", samples) : "");
+       if (VID_InitMode(fullscreen, width, height, bpp, vid_userefreshrate.integer ? max(1, refreshrate) : 0, stereobuffer, samples))
        {
                vid.fullscreen = fullscreen;
                vid.width = width;
                vid.height = height;
                vid.bitsperpixel = bpp;
+               vid.samples = samples;
                vid.refreshrate = refreshrate;
                vid.stereobuffer = stereobuffer;
+               vid.userefreshrate = vid_userefreshrate.integer;
                Cvar_SetValueQuick(&vid_fullscreen, fullscreen);
                Cvar_SetValueQuick(&vid_width, width);
                Cvar_SetValueQuick(&vid_height, height);
                Cvar_SetValueQuick(&vid_bitsperpixel, bpp);
-               Cvar_SetValueQuick(&vid_refreshrate, refreshrate);
+               Cvar_SetValueQuick(&vid_samples, samples);
+               if(vid_userefreshrate.integer)
+                       Cvar_SetValueQuick(&vid_refreshrate, refreshrate);
                Cvar_SetValueQuick(&vid_stereobuffer, stereobuffer);
                return true;
        }
@@ -1103,20 +1113,31 @@ void VID_Restart_f(void)
        if (vid_commandlinecheck)
                return;
 
-       Con_Printf("VID_Restart: changing from %s %dx%dx%dbpp, to %s %dx%dx%dbpp.\n",
-               vid.fullscreen ? "fullscreen" : "window", vid.width, vid.height, vid.bitsperpixel,
-               vid_fullscreen.integer ? "fullscreen" : "window", vid_width.integer, vid_height.integer, vid_bitsperpixel.integer);
+       Con_Printf("VID_Restart: changing from %s %dx%dx%dbpp%s%s, to %s %dx%dx%dbpp%s%s.\n",
+               vid.fullscreen ? "fullscreen" : "window", vid.width, vid.height, vid.bitsperpixel, vid.fullscreen && vid_userefreshrate.integer ? va("x%ihz", vid.refreshrate) : "", vid.samples > 1 ? va(" (%ix AA)", vid.samples) : "",
+               vid_fullscreen.integer ? "fullscreen" : "window", vid_width.integer, vid_height.integer, vid_bitsperpixel.integer, vid_fullscreen.integer && vid_userefreshrate.integer ? va("x%ihz", vid_refreshrate.integer) : "", vid_samples.integer > 1 ? va(" (%ix AA)", vid_samples.integer) : "");
        VID_CloseSystems();
        VID_Shutdown();
-       if (!VID_Mode(vid_fullscreen.integer, vid_width.integer, vid_height.integer, vid_bitsperpixel.integer, vid_refreshrate.integer, vid_stereobuffer.integer))
+       if (!VID_Mode(vid_fullscreen.integer, vid_width.integer, vid_height.integer, vid_bitsperpixel.integer, vid_refreshrate.integer, vid_stereobuffer.integer, vid_samples.integer))
        {
                Con_Print("Video mode change failed\n");
-               if (!VID_Mode(vid.fullscreen, vid.width, vid.height, vid.bitsperpixel, vid.refreshrate, vid.stereobuffer))
+               if (!VID_Mode(vid.fullscreen, vid.width, vid.height, vid.bitsperpixel, vid.refreshrate, vid.stereobuffer, vid.samples))
                        Sys_Error("Unable to restore to last working video mode");
        }
        VID_OpenSystems();
 }
 
+const char *vidfallbacks[][2] =
+{
+       {"vid_stereobuffer", "0"},
+       {"vid_samples", "1"},
+       {"vid_userefreshrate", "0"},
+       {"vid_width", "640"},
+       {"vid_height", "480"},
+       {"vid_bitsperpixel", "16"},
+       {NULL, NULL}
+};
+
 // this is only called once by Host_StartVideo
 void VID_Start(void)
 {
@@ -1152,20 +1173,15 @@ void VID_Start(void)
                        Cvar_SetQuick(&vid_bitsperpixel, com_argv[i+1]);
        }
 
-       Con_Print("Starting video system\n");
-       success = VID_Mode(vid_fullscreen.integer, vid_width.integer, vid_height.integer, vid_bitsperpixel.integer, vid_refreshrate.integer, vid_stereobuffer.integer);
+       success = VID_Mode(vid_fullscreen.integer, vid_width.integer, vid_height.integer, vid_bitsperpixel.integer, vid_refreshrate.integer, vid_stereobuffer.integer, vid_samples.integer);
        if (!success)
        {
                Con_Print("Desired video mode fail, trying fallbacks...\n");
-               success = VID_Mode(vid_fullscreen.integer, vid_width.integer, vid_height.integer, vid_bitsperpixel.integer, 60, vid_stereobuffer.integer);
-               if (!success && vid_stereobuffer.integer)
-                       success = VID_Mode(vid_fullscreen.integer, vid_width.integer, vid_height.integer, vid_bitsperpixel.integer, vid_refreshrate.integer, false);
-               if (!success && vid_bitsperpixel.integer > 16)
-                       success = VID_Mode(vid_fullscreen.integer, vid_width.integer, vid_height.integer, 16, 60, false);
-               if (!success && (vid_width.integer > 640 || vid_height.integer > 480))
-                       success = VID_Mode(vid_fullscreen.integer, 640, 480, 16, 60, false);
-               if (!success && vid_fullscreen.integer)
-                       success = VID_Mode(false, 640, 480, 16, 60, false);
+               for (i = 0;!success && vidfallbacks[i][0] != NULL;i++)
+               {
+                       Cvar_Set(vidfallbacks[i][0], vidfallbacks[i][1]);
+                       success = VID_Mode(vid_fullscreen.integer, vid_width.integer, vid_height.integer, vid_bitsperpixel.integer, vid_refreshrate.integer, vid_stereobuffer.integer, vid_samples.integer);
+               }
                if (!success)
                        Sys_Error("Video modes failed");
        }