}
r_refdef_stats_t;
+typedef struct r_refdef_view_s
+{
+ // view information (changes multiple times per frame)
+ // if any of these variables change then r_refdef.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, inverse_matrix;
+ vec3_t origin;
+ vec3_t forward;
+ vec3_t left;
+ vec3_t right;
+ vec3_t up;
+ int numfrustumplanes;
+ mplane_t frustum[6];
+ qboolean useclipplane;
+ qboolean usecustompvs; // uses r_refdef.viewcache.pvsbits as-is rather than computing it
+ mplane_t clipplane;
+ float frustum_x, frustum_y;
+ vec3_t frustumcorner[4];
+ // if turned off it renders an ortho view
+ int useperspective;
+ float ortho_x, ortho_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];
+
+ // global RGB color multiplier for rendering, this is required by HDR
+ float colorscale;
+
+ // whether to call R_ClearScreen before rendering stuff
+ qboolean clear;
+
+ // whether to draw r_showtris and such, this is only true for the main
+ // view render, all secondary renders (HDR, mirrors, portals, cameras,
+ // distortion effects, etc) omit such debugging information
+ qboolean showdebug;
+
+ // these define which values to use in GL_CullFace calls to request frontface or backface culling
+ int cullface_front;
+ int cullface_back;
+}
+r_refdef_view_t;
+
+typedef struct r_refdef_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]; // FIXME: buffer overflow on huge maps
+ // TODO: dynamic resize according to r_refdef.worldmodel->brush.num_leafs
+ unsigned char world_leafvisible[32768]; // FIXME: buffer overflow on huge maps
+ // TODO: dynamic resize according to r_refdef.worldmodel->num_surfaces
+ unsigned char world_surfacevisible[262144]; // FIXME: buffer overflow on huge maps
+ // if true, the view is currently in a leaf without pvs data
+ qboolean world_novis;
+}
+r_refdef_viewcache_t;
+
typedef struct r_refdef_s
{
// these fields define the basic rendering information for the world
// frustum_x/frustum_y are calculated
float frustumscale_x, frustumscale_y;
+ // current view settings (these get reset a few times during rendering because of water rendering, reflections, etc)
+ r_refdef_view_t view;
+ r_refdef_viewcache_t viewcache;
+
// minimum visible distance (pixels closer than this disappear)
double nearclip;
// maximum visible distance (pixels further than this disappear in 16bpp modes,
}
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, inverse_matrix;
- vec3_t origin;
- vec3_t forward;
- vec3_t left;
- vec3_t right;
- vec3_t up;
- int numfrustumplanes;
- mplane_t frustum[6];
- qboolean useclipplane;
- qboolean usecustompvs; // uses r_viewcache.pvsbits as-is rather than computing it
- mplane_t clipplane;
- float frustum_x, frustum_y;
- vec3_t frustumcorner[4];
- // if turned off it renders an ortho view
- int useperspective;
- float ortho_x, ortho_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];
-
- // global RGB color multiplier for rendering, this is required by HDR
- float colorscale;
-
- // whether to call R_ClearScreen before rendering stuff
- qboolean clear;
-
- // whether to draw r_showtris and such, this is only true for the main
- // view render, all secondary renders (HDR, mirrors, portals, cameras,
- // distortion effects, etc) omit such debugging information
- qboolean showdebug;
-
- // these define which values to use in GL_CullFace calls to request frontface or backface culling
- int cullface_front;
- int cullface_back;
-}
-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]; // FIXME: buffer overflow on huge maps
- // TODO: dynamic resize according to r_refdef.worldmodel->brush.num_leafs
- unsigned char world_leafvisible[32768]; // FIXME: buffer overflow on huge maps
- // TODO: dynamic resize according to r_refdef.worldmodel->num_surfaces
- unsigned char world_surfacevisible[262144]; // FIXME: buffer overflow on huge maps
- // if true, the view is currently in a leaf without pvs data
- qboolean world_novis;
-}
-r_viewcache_t;
-
extern r_refdef_t r_refdef;
-extern r_view_t r_view;
-extern r_viewcache_t r_viewcache;
#endif
projects / xonotic / darkplaces.git / blobdiff