]> de.git.xonotic.org Git - xonotic/darkplaces.git/blobdiff - gl_rmain.c
this patch adds a number of stereo viewing modes (shutter glasses and video glasses...
[xonotic/darkplaces.git] / gl_rmain.c
index 9053656307293c482e111eff32811ddd1c77cab1..36a3905184af985e23b51c2316576b01965b63b5 100644 (file)
@@ -39,12 +39,24 @@ qboolean envmap;
 
 float r_farclip;
 
+// forces all rendering to draw triangle outlines
+int r_showtrispass;
+
 // view origin
 vec3_t r_vieworigin;
 vec3_t r_viewforward;
 vec3_t r_viewleft;
 vec3_t r_viewright;
 vec3_t r_viewup;
+int r_view_x;
+int r_view_y;
+int r_view_z;
+int r_view_width;
+int r_view_height;
+int r_view_depth;
+float r_view_fov_x;
+float r_view_fov_y;
+matrix4x4_t r_view_matrix;
 
 //
 // screen size info
@@ -54,6 +66,7 @@ refdef_t r_refdef;
 // 8.8 fraction of base light value
 unsigned short d_lightstylevalue[256];
 
+cvar_t r_showtris = {0, "r_showtris", "0"};
 cvar_t r_drawentities = {0, "r_drawentities","1"};
 cvar_t r_drawviewmodel = {0, "r_drawviewmodel","1"};
 cvar_t r_speeds = {0, "r_speeds","0"};
@@ -133,7 +146,7 @@ static void R_TimeRefresh_f (void)
 
        VectorCopy(oldangles, cl.viewangles);
        intimerefresh = 0;
-       Con_Printf ("%f seconds (%f fps)\n", timedelta, 128/timedelta);
+       Con_Printf("%f seconds (%f fps)\n", timedelta, 128/timedelta);
 }
 
 vec3_t fogcolor;
@@ -228,7 +241,7 @@ void gl_main_newmap(void)
                if (l >= 0 && !strcmp(entname + l, ".bsp"))
                {
                        strcpy(entname + l, ".ent");
-                       if ((entities = FS_LoadFile(entname, true)))
+                       if ((entities = FS_LoadFile(entname, tempmempool, true)))
                        {
                                CL_ParseEntityLump(entities);
                                Mem_Free(entities);
@@ -246,6 +259,7 @@ void GL_Main_Init(void)
 // FIXME: move this to client?
        FOG_registercvars();
        Cmd_AddCommand("timerefresh", R_TimeRefresh_f);
+       Cvar_RegisterVariable(&r_showtris);
        Cvar_RegisterVariable(&r_drawentities);
        Cvar_RegisterVariable(&r_drawviewmodel);
        Cvar_RegisterVariable(&r_speeds);
@@ -505,8 +519,8 @@ void R_DrawModels(void)
 
 static void R_SetFrustum(void)
 {
-       // break apart the viewentity matrix into vectors for various purposes
-       Matrix4x4_ToVectors(&r_refdef.viewentitymatrix, r_viewforward, r_viewleft, r_viewup, r_vieworigin);
+       // break apart the view matrix into vectors for various purposes
+       Matrix4x4_ToVectors(&r_view_matrix, r_viewforward, r_viewleft, r_viewup, r_vieworigin);
        VectorNegate(r_viewleft, r_viewright);
 
        // LordHavoc: note to all quake engine coders, the special case for 90
@@ -514,22 +528,22 @@ static void R_SetFrustum(void)
        // disabled as well.
 
        // rotate R_VIEWFORWARD right by FOV_X/2 degrees
-       RotatePointAroundVector( frustum[0].normal, r_viewup, r_viewforward, -(90 - r_refdef.fov_x / 2));
+       RotatePointAroundVector( frustum[0].normal, r_viewup, r_viewforward, -(90 - r_view_fov_x / 2));
        frustum[0].dist = DotProduct (r_vieworigin, frustum[0].normal);
        PlaneClassify(&frustum[0]);
 
        // rotate R_VIEWFORWARD left by FOV_X/2 degrees
-       RotatePointAroundVector( frustum[1].normal, r_viewup, r_viewforward, (90 - r_refdef.fov_x / 2));
+       RotatePointAroundVector( frustum[1].normal, r_viewup, r_viewforward, (90 - r_view_fov_x / 2));
        frustum[1].dist = DotProduct (r_vieworigin, frustum[1].normal);
        PlaneClassify(&frustum[1]);
 
        // rotate R_VIEWFORWARD up by FOV_X/2 degrees
-       RotatePointAroundVector( frustum[2].normal, r_viewleft, r_viewforward, -(90 - r_refdef.fov_y / 2));
+       RotatePointAroundVector( frustum[2].normal, r_viewleft, r_viewforward, -(90 - r_view_fov_y / 2));
        frustum[2].dist = DotProduct (r_vieworigin, frustum[2].normal);
        PlaneClassify(&frustum[2]);
 
        // rotate R_VIEWFORWARD down by FOV_X/2 degrees
-       RotatePointAroundVector( frustum[3].normal, r_viewleft, r_viewforward, (90 - r_refdef.fov_y / 2));
+       RotatePointAroundVector( frustum[3].normal, r_viewleft, r_viewforward, (90 - r_view_fov_y / 2));
        frustum[3].dist = DotProduct (r_vieworigin, frustum[3].normal);
        PlaneClassify(&frustum[3]);
 }
@@ -546,12 +560,12 @@ static void R_BlendView(void)
        R_Mesh_Matrix(&r_identitymatrix);
 
        memset(&m, 0, sizeof(m));
-       R_Mesh_State_Texture(&m);
+       m.pointer_vertex = vertex3f;
+       R_Mesh_State(&m);
 
        GL_BlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
        GL_DepthMask(true);
        GL_DepthTest(false); // magic
-       GL_VertexPointer(vertex3f);
        GL_Color(r_refdef.viewblend[0], r_refdef.viewblend[1], r_refdef.viewblend[2], r_refdef.viewblend[3]);
        r = 64;
        vertex3f[0] = r_vieworigin[0] + r_viewforward[0] * 1.5 + r_viewleft[0] * r - r_viewup[0] * r;
@@ -573,12 +587,12 @@ void R_UpdateWorld(void)
 
        if (r_shadow_realtime_world.integer && !gl_stencil)
        {
-               Con_Printf("Realtime world lighting requires 32bit color; turning off r_shadow_realtime_world, please type vid_bitsperpixel 32;vid_restart and try again\n");
+               Con_Print("Realtime world lighting requires 32bit color; turning off r_shadow_realtime_world, please type vid_bitsperpixel 32;vid_restart and try again\n");
                Cvar_SetValueQuick(&r_shadow_realtime_world, 0);
        }
 
        // don't allow cheats in multiplayer
-       if (!cl.islocalgame)
+       if (!cl.islocalgame && cl.worldmodel)
        {
                if (r_fullbright.integer != 0)
                        Cvar_Set ("r_fullbright", "0");
@@ -603,32 +617,34 @@ void R_RenderView(void)
        if (!r_refdef.entities/* || !cl.worldmodel*/)
                return; //Host_Error ("R_RenderView: NULL worldmodel");
        
-       r_refdef.width = bound(0, r_refdef.width, vid.realwidth);
-       r_refdef.height = bound(0, r_refdef.height, vid.realheight);
-       r_refdef.x = bound(0, r_refdef.x, vid.realwidth - r_refdef.width);
-       r_refdef.y = bound(0, r_refdef.y, vid.realheight - r_refdef.height);
-       r_refdef.fov_x = bound(1, r_refdef.fov_x, 170);
-       r_refdef.fov_y = bound(1, r_refdef.fov_y, 170);
-
-       // GL is weird because it's bottom to top, r_refdef.y is top to bottom
-       qglViewport(r_refdef.x, vid.realheight - (r_refdef.y + r_refdef.height), r_refdef.width, r_refdef.height);
-       GL_Scissor(r_refdef.x, r_refdef.y, r_refdef.width, r_refdef.height);
+       r_view_width = bound(0, r_refdef.width, vid.realwidth);
+       r_view_height = bound(0, r_refdef.height, vid.realheight);
+       r_view_depth = 1;
+       r_view_x = bound(0, r_refdef.x, vid.realwidth - r_refdef.width);
+       r_view_y = bound(0, r_refdef.y, vid.realheight - r_refdef.height);
+       r_view_z = 0;
+       r_view_fov_x = bound(1, r_refdef.fov_x, 170);
+       r_view_fov_y = bound(1, r_refdef.fov_y, 170);
+       r_view_matrix = r_refdef.viewentitymatrix;
+       GL_ColorMask(r_refdef.colormask[0], r_refdef.colormask[1], r_refdef.colormask[2], 1);
+
+       // GL is weird because it's bottom to top, r_view_y is top to bottom
+       qglViewport(r_view_x, vid.realheight - (r_view_y + r_view_height), r_view_width, r_view_height);
+       GL_Scissor(r_view_x, r_view_y, r_view_width, r_view_height);
        GL_ScissorTest(true);
+       GL_DepthMask(true);
        R_ClearScreen();
-
-       R_SetFrustum();
-       r_farclip = R_FarClip(r_vieworigin, r_viewforward, 768.0f) + 256.0f;
-
-       if (gl_stencil && ((r_shadow_realtime_world.integer && r_shadow_worldshadows.integer) || ((r_shadow_realtime_world.integer || r_shadow_realtime_dlight.integer) && r_shadow_dlightshadows.integer)))
-               GL_SetupView_Mode_PerspectiveInfiniteFarClip(r_refdef.fov_x, r_refdef.fov_y, 1.0f);
-       else
-               GL_SetupView_Mode_Perspective(r_refdef.fov_x, r_refdef.fov_y, 1.0f, r_farclip);
-
-       GL_SetupView_Orientation_FromEntity(&r_refdef.viewentitymatrix);
        R_TimeReport("setup");
 
+       qglDepthFunc(GL_LEQUAL);
+       qglPolygonOffset(0, 0);
+       qglEnable(GL_POLYGON_OFFSET_FILL);
+
        R_RenderScene();
 
+       qglPolygonOffset(0, 0);
+       qglDisable(GL_POLYGON_OFFSET_FILL);
+
        R_BlendView();
        R_TimeReport("blendview");
        
@@ -640,13 +656,25 @@ extern void R_DrawLightningBeams (void);
 void R_RenderScene(void)
 {
        entity_render_t *world;
-
+       
        // don't let sound skip if going slow
        if (!intimerefresh && !r_speeds.integer)
                S_ExtraUpdate ();
 
        r_framecount++;
 
+       GL_ShowTrisColor(0.05, 0.05, 0.05, 1);
+
+       R_SetFrustum();
+
+       r_farclip = R_FarClip(r_vieworigin, r_viewforward, 768.0f) + 256.0f;
+       if (gl_stencil && (r_shadow_realtime_world.integer || (r_shadow_realtime_dlight.integer && r_shadow_realtime_dlight_shadows.integer)))
+               GL_SetupView_Mode_PerspectiveInfiniteFarClip(r_view_fov_x, r_view_fov_y, 1.0f);
+       else
+               GL_SetupView_Mode_Perspective(r_view_fov_x, r_view_fov_y, 1.0f, r_farclip);
+
+       GL_SetupView_Orientation_FromEntity(&r_view_matrix);
+
        R_SkyStartFrame();
 
        if (cl.worldmodel && cl.worldmodel->brush.FatPVS)
@@ -658,11 +686,6 @@ void R_RenderScene(void)
        R_MarkEntities();
        R_TimeReport("markentity");
 
-       qglDepthFunc(GL_LEQUAL);
-       qglPolygonOffset(0, 0);
-       qglEnable(GL_POLYGON_OFFSET_FILL);
-
-       R_Mesh_Start();
        R_MeshQueue_BeginScene();
 
        R_Shadow_UpdateWorldLightSelection();
@@ -671,17 +694,29 @@ void R_RenderScene(void)
        if (!intimerefresh && !r_speeds.integer)
                S_ExtraUpdate ();
 
+       GL_ShowTrisColor(0.025, 0.025, 0, 1);
+       if (world->model && world->model->DrawSky)
+       {
+               world->model->DrawSky(world);
+               R_TimeReport("worldsky");
+       }
+
        if (R_DrawBrushModelsSky())
                R_TimeReport("bmodelsky");
 
-       // must occur early because it can draw sky
-       R_DrawWorld(world);
-       R_TimeReport("world");
+       GL_ShowTrisColor(0.05, 0.05, 0.05, 1);
+       if (world->model && world->model->Draw)
+       {
+               world->model->Draw(world);
+               R_TimeReport("world");
+       }
 
        // don't let sound skip if going slow
        if (!intimerefresh && !r_speeds.integer)
                S_ExtraUpdate ();
 
+       GL_ShowTrisColor(0, 0.015, 0, 1);
+
        R_DrawModels();
        R_TimeReport("models");
 
@@ -689,6 +724,7 @@ void R_RenderScene(void)
        if (!intimerefresh && !r_speeds.integer)
                S_ExtraUpdate ();
 
+       GL_ShowTrisColor(0, 0, 0.033, 1);
        R_ShadowVolumeLighting(false);
        R_TimeReport("rtlights");
 
@@ -696,6 +732,8 @@ void R_RenderScene(void)
        if (!intimerefresh && !r_speeds.integer)
                S_ExtraUpdate ();
 
+       GL_ShowTrisColor(0.1, 0, 0, 1);
+
        R_DrawLightningBeams();
        R_TimeReport("lightning");
 
@@ -717,17 +755,13 @@ void R_RenderScene(void)
        R_MeshQueue_Render();
        R_MeshQueue_EndScene();
 
-       if (r_shadow_visiblevolumes.integer)
+       if (r_shadow_visiblevolumes.integer && !r_showtrispass)
        {
                R_ShadowVolumeLighting(true);
                R_TimeReport("shadowvolume");
        }
 
-       R_Mesh_Finish();
-       R_TimeReport("meshfinish");
-
-       qglPolygonOffset(0, 0);
-       qglDisable(GL_POLYGON_OFFSET_FILL);
+       GL_ShowTrisColor(0.05, 0.05, 0.05, 1);
 
        // don't let sound skip if going slow
        if (!intimerefresh && !r_speeds.integer)
@@ -745,10 +779,6 @@ void R_DrawBBoxMesh(vec3_t mins, vec3_t maxs, float cr, float cg, float cb, floa
        GL_DepthTest(true);
        R_Mesh_Matrix(&r_identitymatrix);
 
-       memset(&m, 0, sizeof(m));
-       R_Mesh_State_Texture(&m);
-
-       R_Mesh_GetSpace(8);
        vertex3f[ 0] = mins[0];vertex3f[ 1] = mins[1];vertex3f[ 2] = mins[2];
        vertex3f[ 3] = maxs[0];vertex3f[ 4] = mins[1];vertex3f[ 5] = mins[2];
        vertex3f[ 6] = mins[0];vertex3f[ 7] = maxs[1];vertex3f[ 8] = mins[2];
@@ -757,7 +787,6 @@ void R_DrawBBoxMesh(vec3_t mins, vec3_t maxs, float cr, float cg, float cb, floa
        vertex3f[15] = maxs[0];vertex3f[16] = mins[1];vertex3f[17] = maxs[2];
        vertex3f[18] = mins[0];vertex3f[19] = maxs[1];vertex3f[20] = maxs[2];
        vertex3f[21] = maxs[0];vertex3f[22] = maxs[1];vertex3f[23] = maxs[2];
-       GL_ColorPointer(color);
        R_FillColors(color, 8, cr, cg, cb, ca);
        if (fogenabled)
        {
@@ -771,6 +800,10 @@ void R_DrawBBoxMesh(vec3_t mins, vec3_t maxs, float cr, float cg, float cb, floa
                        c[2] = c[2] * f1 + fogcolor[2] * f2;
                }
        }
+       memset(&m, 0, sizeof(m));
+       m.pointer_vertex = vertex3f;
+       m.pointer_color = color;
+       R_Mesh_State(&m);
        R_Mesh_Draw(8, 12);
 }
 */
@@ -817,7 +850,7 @@ void R_DrawNoModelCallback(const void *calldata1, int calldata2)
        R_Mesh_Matrix(&ent->matrix);
 
        memset(&m, 0, sizeof(m));
-       R_Mesh_State_Texture(&m);
+       m.pointer_vertex = nomodelvertex3f;
 
        if (ent->flags & EF_ADDITIVE)
        {
@@ -835,11 +868,10 @@ void R_DrawNoModelCallback(const void *calldata1, int calldata2)
                GL_DepthMask(true);
        }
        GL_DepthTest(true);
-       GL_VertexPointer(nomodelvertex3f);
        if (fogenabled)
        {
                memcpy(color4f, nomodelcolor4f, sizeof(float[6*4]));
-               GL_ColorPointer(color4f);
+               m.pointer_color = color4f;
                VectorSubtract(ent->origin, r_vieworigin, diff);
                f2 = exp(fogdensity/DotProduct(diff, diff));
                f1 = 1 - f2;
@@ -854,12 +886,13 @@ void R_DrawNoModelCallback(const void *calldata1, int calldata2)
        else if (ent->alpha != 1)
        {
                memcpy(color4f, nomodelcolor4f, sizeof(float[6*4]));
-               GL_ColorPointer(color4f);
+               m.pointer_color = color4f;
                for (i = 0, c = color4f;i < 6;i++, c += 4)
                        c[3] *= ent->alpha;
        }
        else
-               GL_ColorPointer(nomodelcolor4f);
+               m.pointer_color = nomodelcolor4f;
+       R_Mesh_State(&m);
        R_Mesh_Draw(6, 8, nomodelelements);
 }
 
@@ -916,17 +949,10 @@ void R_DrawSprite(int blendfunc1, int blendfunc2, rtexture_t *texture, int depth
        }
 
        R_Mesh_Matrix(&r_identitymatrix);
-       GL_Color(cr, cg, cb, ca);
-       GL_VertexPointer(varray_vertex3f);
        GL_BlendFunc(blendfunc1, blendfunc2);
        GL_DepthMask(false);
        GL_DepthTest(!depthdisable);
 
-       memset(&m, 0, sizeof(m));
-       m.tex[0] = R_GetTexture(texture);
-       m.pointer_texcoord[0] = spritetexcoord2f;
-       R_Mesh_State_Texture(&m);
-
        varray_vertex3f[ 0] = origin[0] + left[0] * scalex2 + up[0] * scaley1;
        varray_vertex3f[ 1] = origin[1] + left[1] * scalex2 + up[1] * scaley1;
        varray_vertex3f[ 2] = origin[2] + left[2] * scalex2 + up[2] * scaley1;
@@ -939,6 +965,13 @@ void R_DrawSprite(int blendfunc1, int blendfunc2, rtexture_t *texture, int depth
        varray_vertex3f[ 9] = origin[0] + left[0] * scalex1 + up[0] * scaley1;
        varray_vertex3f[10] = origin[1] + left[1] * scalex1 + up[1] * scaley1;
        varray_vertex3f[11] = origin[2] + left[2] * scalex1 + up[2] * scaley1;
+
+       memset(&m, 0, sizeof(m));
+       m.tex[0] = R_GetTexture(texture);
+       m.pointer_texcoord[0] = spritetexcoord2f;
+       m.pointer_vertex = varray_vertex3f;
+       R_Mesh_State(&m);
+       GL_Color(cr, cg, cb, ca);
        R_Mesh_Draw(4, 2, polygonelements);
 }