// calculated by the renderer (but not persistent)
- // if visframe == r_framecount, it is visible
- int visframe;
// calculated during R_AddModelEntities
vec3_t mins, maxs;
// 4 frame numbers (-1 if not used) and their blending scalers (0-1), if interpolation is not desired, use frame instead
#define NUMCROSSHAIRS 32
extern cachepic_t *r_crosshairs[NUMCROSSHAIRS+1];
-typedef struct refdef_s
+#define FOGTABLEWIDTH 1024
+extern int fogtableindex;
+#define VERTEXFOGTABLE(dist) (fogtableindex = (int)((dist) * r_refdef.fogtabledistmultiplier), r_refdef.fogtable[bound(0, fogtableindex, FOGTABLEWIDTH - 1)])
+
+typedef struct r_refdef_stats_s
{
- // area to render in
- int x, y, width, height;
- float frustum_x, frustum_y;
+ int entities;
+ int entities_surfaces;
+ int entities_triangles;
+ int world_leafs;
+ int world_portals;
+ int particles;
+ int meshes;
+ int meshes_elements;
+ int lights;
+ int lights_clears;
+ int lights_scissored;
+ int lights_lighttriangles;
+ int lights_shadowtriangles;
+ int lights_dynamicshadowtriangles;
+ int bloom;
+ int bloom_copypixels;
+ int bloom_drawpixels;
+}
+r_refdef_stats_t;
+
+typedef struct r_refdef_s
+{
+ // these fields define the basic rendering information for the world
+ // but not the view, which could change multiple times in one rendered
+ // frame (for example when rendering textures for certain effects)
// these are set for water warping before
// frustum_x/frustum_y are calculated
float frustumscale_x, frustumscale_y;
- // view transform
- matrix4x4_t viewentitymatrix;
-
- // which color components to allow (for anaglyph glasses)
- int colormask[4];
+ // minimum visible distance (pixels closer than this disappear)
+ double nearclip;
+ // maximum visible distance (pixels further than this disappear in 16bpp modes,
+ // in 32bpp an infinite-farclip matrix is used instead)
+ double farclip;
// fullscreen color blend
float viewblend[4];
// controls intensity of dynamic lights and lightmap layers
unsigned short lightstylevalue[256]; // 8.8 fraction of base light value
+ vec3_t fogcolor;
+ vec_t fogrange;
+ vec_t fograngerecip;
+ vec_t fogtabledistmultiplier;
+ float fogtable[FOGTABLEWIDTH];
+ float fog_density;
+ float fog_red;
+ float fog_green;
+ float fog_blue;
+ qboolean fogenabled;
+ qboolean oldgl_fogenable;
+
qboolean draw2dstage;
+
+ // true during envmap command capture
+ qboolean envmap;
+
+ // brightness of world lightmaps and related lighting
+ // (often reduced when world rtlights are enabled)
+ float lightmapintensity;
+ // whether to draw world lights realtime, dlights realtime, and their shadows
+ qboolean rtworld;
+ qboolean rtworldshadows;
+ qboolean rtdlight;
+ qboolean rtdlightshadows;
+ float polygonfactor;
+ float polygonoffset;
+ float shadowpolygonfactor;
+ float shadowpolygonoffset;
+
+ // rendering stats for r_speeds display
+ // (these are incremented in many places)
+ r_refdef_stats_t stats;
+}
+r_refdef_t;
+
+typedef struct r_view_s
+{
+ // view information (changes multiple times per frame)
+ // if any of these variables change then r_viewcache must be regenerated
+ // by calling R_View_Update
+ // (which also updates viewport, scissor, colormask)
+
+ // it is safe and expected to copy this into a structure on the stack and
+ // call the renderer recursively, then restore from the stack afterward
+ // (as long as R_View_Update is called)
+
+ // eye position information
+ matrix4x4_t matrix;
+ vec3_t origin;
+ vec3_t forward;
+ vec3_t left;
+ vec3_t right;
+ vec3_t up;
+ mplane_t frustum[5];
+ float frustum_x, frustum_y;
+
+ // screen area to render in
+ int x;
+ int y;
+ int z;
+ int width;
+ int height;
+ int depth;
+
+ // which color components to allow (for anaglyph glasses)
+ int colormask[4];
+}
+r_view_t;
+
+typedef struct r_viewcache_s
+{
+ // these properties are generated by R_View_Update()
+
+ // which entities are currently visible for this viewpoint
+ // (the used range is 0...r_refdef.numentities)
+ unsigned char entityvisible[MAX_EDICTS];
+ // flag arrays used for visibility checking on world model
+ // (all other entities have no per-surface/per-leaf visibility checks)
+ // TODO: dynamic resize according to r_refdef.worldmodel->brush.num_clusters
+ unsigned char world_pvsbits[(32768+7)>>3];
+ // TODO: dynamic resize according to r_refdef.worldmodel->brush.num_leafs
+ unsigned char world_leafvisible[32768];
+ // TODO: dynamic resize according to r_refdef.worldmodel->num_surfaces
+ unsigned char world_surfacevisible[262144];
+ // if true, the view is currently in a leaf without pvs data
+ qboolean world_novis;
}
-refdef_t;
+r_viewcache_t;
-extern refdef_t r_refdef;
+extern r_refdef_t r_refdef;
+extern r_view_t r_view;
+extern r_viewcache_t r_viewcache;
#endif