-void R_Q1BSP_DrawAddWaterPlanes(struct entity_render_s *ent);
-void R_Q1BSP_DrawSky(struct entity_render_s *ent);
-void R_Q1BSP_Draw(struct entity_render_s *ent);
-void R_Q1BSP_DrawDepth(struct entity_render_s *ent);
-void R_Q1BSP_DrawDebug(struct entity_render_s *ent);
-void R_Q1BSP_DrawPrepass(struct entity_render_s *ent);
-void R_Q1BSP_GetLightInfo(struct entity_render_s *ent, vec3_t relativelightorigin, float lightradius, vec3_t outmins, vec3_t outmaxs, int *outleaflist, unsigned char *outleafpvs, int *outnumleafspointer, int *outsurfacelist, unsigned char *outsurfacepvs, int *outnumsurfacespointer, unsigned char *outshadowtrispvs, unsigned char *outlighttrispvs, unsigned char *visitingleafpvs, int numfrustumplanes, const mplane_t *frustumplanes);
-void R_Q1BSP_CompileShadowMap(struct entity_render_s *ent, vec3_t relativelightorigin, vec3_t relativelightdirection, float lightradius, int numsurfaces, const int *surfacelist);
-void R_Q1BSP_DrawShadowMap(int side, struct entity_render_s *ent, const vec3_t relativelightorigin, const vec3_t relativelightdirection, float lightradius, int modelnumsurfaces, const int *modelsurfacelist, const unsigned char *surfacesides, const vec3_t lightmins, const vec3_t lightmaxs);
-void R_Q1BSP_CompileShadowVolume(struct entity_render_s *ent, vec3_t relativelightorigin, vec3_t relativelightdirection, float lightradius, int numsurfaces, const int *surfacelist);
-void R_Q1BSP_DrawShadowVolume(struct entity_render_s *ent, const vec3_t relativelightorigin, const vec3_t relativelightdirection, float lightradius, int numsurfaces, const int *surfacelist, const vec3_t lightmins, const vec3_t lightmaxs);
-void R_Q1BSP_DrawLight(struct entity_render_s *ent, int numsurfaces, const int *surfacelist, const unsigned char *trispvs);
+void R_Mod_DrawAddWaterPlanes(struct entity_render_s *ent);
+void R_Mod_DrawSky(struct entity_render_s *ent);
+void R_Mod_Draw(struct entity_render_s *ent);
+void R_Mod_DrawDepth(struct entity_render_s *ent);
+void R_Mod_DrawDebug(struct entity_render_s *ent);
+void R_Mod_DrawPrepass(struct entity_render_s *ent);
+void R_Mod_GetLightInfo(struct entity_render_s *ent, vec3_t relativelightorigin, float lightradius, vec3_t outmins, vec3_t outmaxs, int *outleaflist, unsigned char *outleafpvs, int *outnumleafspointer, int *outsurfacelist, unsigned char *outsurfacepvs, int *outnumsurfacespointer, unsigned char *outshadowtrispvs, unsigned char *outlighttrispvs, unsigned char *visitingleafpvs, int numfrustumplanes, const mplane_t *frustumplanes, qbool noocclusion);
+void R_Mod_CompileShadowMap(struct entity_render_s *ent, vec3_t relativelightorigin, vec3_t relativelightdirection, float lightradius, int numsurfaces, const int *surfacelist);
+void R_Mod_DrawShadowMap(int side, struct entity_render_s *ent, const vec3_t relativelightorigin, const vec3_t relativelightdirection, float lightradius, int modelnumsurfaces, const int *modelsurfacelist, const unsigned char *surfacesides, const vec3_t lightmins, const vec3_t lightmaxs);
+void R_Mod_DrawLight(struct entity_render_s *ent, int numsurfaces, const int *surfacelist, const unsigned char *trispvs);
+
+// dynamic mesh building (every frame) for debugging and other uses
+void Mod_Mesh_Create(dp_model_t *mod, const char *name);
+void Mod_Mesh_Destroy(dp_model_t *mod);
+void Mod_Mesh_Reset(dp_model_t *mod);
+texture_t *Mod_Mesh_GetTexture(dp_model_t *mod, const char *name, int defaultdrawflags, int defaulttexflags, int defaultmaterialflags);
+msurface_t *Mod_Mesh_AddSurface(dp_model_t *mod, texture_t *tex, qbool batchwithprevioussurface);
+int Mod_Mesh_IndexForVertex(dp_model_t *mod, msurface_t *surf, float x, float y, float z, float nx, float ny, float nz, float s, float t, float u, float v, float r, float g, float b, float a);
+void Mod_Mesh_AddTriangle(dp_model_t *mod, msurface_t *surf, int e0, int e1, int e2);
+void Mod_Mesh_Validate(dp_model_t *mod);
+void Mod_Mesh_Finalize(dp_model_t *mod);