5 #define R_SHADOW_SHADOWMAP_NUMCUBEMAPS 8
7 extern cvar_t r_shadow_bumpscale_basetexture;
8 extern cvar_t r_shadow_bumpscale_bumpmap;
9 extern cvar_t r_shadow_debuglight;
10 extern cvar_t r_shadow_gloss;
11 extern cvar_t r_shadow_gloss2intensity;
12 extern cvar_t r_shadow_glossintensity;
13 extern cvar_t r_shadow_glossexponent;
14 extern cvar_t r_shadow_gloss2exponent;
15 extern cvar_t r_shadow_glossexact;
16 extern cvar_t r_shadow_lightattenuationpower;
17 extern cvar_t r_shadow_lightattenuationscale;
18 extern cvar_t r_shadow_lightintensityscale;
19 extern cvar_t r_shadow_lightradiusscale;
20 extern cvar_t r_shadow_projectdistance;
21 extern cvar_t r_shadow_frontsidecasting;
22 extern cvar_t r_shadow_realtime_dlight;
23 extern cvar_t r_shadow_realtime_dlight_shadows;
24 extern cvar_t r_shadow_realtime_dlight_svbspculling;
25 extern cvar_t r_shadow_realtime_dlight_portalculling;
26 extern cvar_t r_shadow_realtime_world;
27 extern cvar_t r_shadow_realtime_world_lightmaps;
28 extern cvar_t r_shadow_realtime_world_shadows;
29 extern cvar_t r_shadow_realtime_world_compile;
30 extern cvar_t r_shadow_realtime_world_compileshadow;
31 extern cvar_t r_shadow_realtime_world_compilesvbsp;
32 extern cvar_t r_shadow_realtime_world_compileportalculling;
33 extern cvar_t r_shadow_scissor;
34 extern cvar_t r_shadow_texture3d;
36 // used by shader for bouncegrid feature
37 typedef struct r_shadow_bouncegrid_settings_s
40 qboolean bounceanglediffuse;
41 qboolean directionalshading;
42 qboolean includedirectlighting;
44 qboolean normalizevectors;
46 float dlightparticlemultiplier;
48 float lightradiusscale;
50 float lightpathsize_initial;
51 float lightpathsize_conespread;
52 float particlebounceintensity;
53 float particleintensity;
55 float energyperphoton;
59 float bounceminimumintensity2;
61 r_shadow_bouncegrid_settings_t;
63 typedef struct r_shadow_bouncegrid_state_s
65 r_shadow_bouncegrid_settings_t settings;
67 qboolean allowdirectionalshading;
68 qboolean directional; // copied from settings.directionalshading after createtexture is decided
69 qboolean createtexture; // set to true to recreate the texture rather than updating it - happens when size changes or directional changes
73 double lastupdatetime;
86 // per-frame data that is very temporary
88 struct r_shadow_bouncegrid_splatpath_s *splatpaths;
89 int highpixels_index; // which one is active - this toggles when doing blur
90 float *highpixels; // equals blurpixels[highpixels_index]
92 unsigned char *u8pixels; // temporary processing buffer when outputting to rgba8 format
93 unsigned short *fp16pixels; // temporary processing buffer when outputting to rgba16f format
95 r_shadow_bouncegrid_state_t;
97 extern r_shadow_bouncegrid_state_t r_shadow_bouncegrid_state;
99 void R_Shadow_Init(void);
100 qboolean R_Shadow_ShadowMappingEnabled(void);
101 void R_Shadow_ShadowMapFromList(int numverts, int numtris, const float *vertex3f, const int *elements, int numsidetris, const int *sidetotals, const unsigned char *sides, const int *sidetris);
102 int R_Shadow_CalcTriangleSideMask(const vec3_t p1, const vec3_t p2, const vec3_t p3, float bias);
103 int R_Shadow_CalcSphereSideMask(const vec3_t p1, float radius, float bias);
104 int R_Shadow_ChooseSidesFromBox(int firsttriangle, int numtris, const float *invertex3f, const int *elements, const matrix4x4_t *worldtolight, const vec3_t projectorigin, const vec3_t projectdirection, const vec3_t lightmins, const vec3_t lightmaxs, const vec3_t surfacemins, const vec3_t surfacemaxs, int *totals);
105 void R_Shadow_RenderLighting(int texturenumsurfaces, const msurface_t **texturesurfacelist);
106 void R_Shadow_RenderMode_Begin(void);
107 void R_Shadow_RenderMode_ActiveLight(const rtlight_t *rtlight);
108 void R_Shadow_RenderMode_Reset(void);
109 void R_Shadow_RenderMode_Lighting(qboolean transparent, qboolean shadowmapping, qboolean noselfshadowpass);
110 void R_Shadow_RenderMode_DrawDeferredLight(qboolean shadowmapping);
111 void R_Shadow_RenderMode_VisibleLighting(qboolean transparent);
112 void R_Shadow_RenderMode_End(void);
113 void R_Shadow_ClearStencil(void);
114 void R_Shadow_SetupEntityLight(const entity_render_t *ent);
116 qboolean R_Shadow_ScissorForBBox(const float *mins, const float *maxs);
118 // these never change, they are used to create attenuation matrices
119 extern matrix4x4_t matrix_attenuationxyz;
120 extern matrix4x4_t matrix_attenuationz;
122 void R_Shadow_UpdateWorldLightSelection(void);
124 extern rtlight_t *r_shadow_compilingrtlight;
126 void R_RTLight_Update(rtlight_t *rtlight, int isstatic, matrix4x4_t *matrix, vec3_t color, int style, const char *cubemapname, int shadow, vec_t corona, vec_t coronasizescale, vec_t ambientscale, vec_t diffusescale, vec_t specularscale, int flags);
127 void R_RTLight_Compile(rtlight_t *rtlight);
128 void R_RTLight_Uncompile(rtlight_t *rtlight);
130 void R_Shadow_PrepareLights(void);
131 void R_Shadow_ClearShadowMapTexture(void);
132 void R_Shadow_DrawPrepass(void);
133 void R_Shadow_DrawLights(void);
134 void R_Shadow_DrawCoronas(void);
136 extern int maxshadowmark;
137 extern int numshadowmark;
138 extern int *shadowmark;
139 extern int *shadowmarklist;
140 extern int shadowmarkcount;
141 void R_Shadow_PrepareShadowMark(int numtris);
143 extern int maxshadowsides;
144 extern int numshadowsides;
145 extern unsigned char *shadowsides;
146 extern int *shadowsideslist;
147 void R_Shadow_PrepareShadowSides(int numtris);
149 void R_Shadow_PrepareModelShadows(void);
151 #define LP_LIGHTMAP 1
153 #define LP_DYNLIGHT 4
154 void R_CompleteLightPoint(float *ambient, float *diffuse, float *lightdir, const vec3_t p, const int flags, float lightmapintensity, float ambientintensity);
156 void R_Shadow_DrawShadowMaps(void);