#ifndef R_SHADOW_H
#define R_SHADOW_H
+#define R_SHADOW_SHADOWMAP_NUMCUBEMAPS 8
+
+extern cvar_t r_shadow_bumpscale_basetexture;
+extern cvar_t r_shadow_bumpscale_bumpmap;
+extern cvar_t r_shadow_debuglight;
+extern cvar_t r_shadow_gloss;
+extern cvar_t r_shadow_gloss2intensity;
+extern cvar_t r_shadow_glossintensity;
+extern cvar_t r_shadow_glossexponent;
+extern cvar_t r_shadow_gloss2exponent;
+extern cvar_t r_shadow_glossexact;
+extern cvar_t r_shadow_lightattenuationpower;
extern cvar_t r_shadow_lightattenuationscale;
extern cvar_t r_shadow_lightintensityscale;
-extern cvar_t r_shadow_realtime_world;
+extern cvar_t r_shadow_lightradiusscale;
+extern cvar_t r_shadow_projectdistance;
+extern cvar_t r_shadow_frontsidecasting;
extern cvar_t r_shadow_realtime_dlight;
-extern cvar_t r_shadow_visiblevolumes;
-extern cvar_t r_shadow_gloss;
-extern cvar_t r_shadow_debuglight;
-extern cvar_t r_shadow_bumpscale_bumpmap;
-extern cvar_t r_shadow_bumpscale_basetexture;
-extern cvar_t r_shadow_shadows;
-
-void R_Shadow_Init(void);
-void R_Shadow_Volume(int numverts, int numtris, const float *invertex3f, int *elements, int *neighbors, vec3_t relativelightorigin, float lightradius, float projectdistance);
-void R_Shadow_DiffuseLighting(int numverts, int numtriangles, const int *elements, const float *vertices, const float *svectors, const float *tvectors, const float *normals, const float *texcoords, const float *relativelightorigin, float lightradius, const float *lightcolor, const matrix4x4_t *matrix_worldtofilter, const matrix4x4_t *matrix_worldtoattenuationxyz, const matrix4x4_t *matrix_worldtoattenuationz, rtexture_t *basetexture, rtexture_t *bumptexture, rtexture_t *lightcubemap);
-void R_Shadow_SpecularLighting(int numverts, int numtriangles, const int *elements, const float *vertices, const float *svectors, const float *tvectors, const float *normals, const float *texcoords, const float *relativelightorigin, const float *relativeeyeorigin, float lightradius, const float *lightcolor, const matrix4x4_t *matrix_worldtofilter, const matrix4x4_t *matrix_worldtoattenuationxyz, const matrix4x4_t *matrix_worldtoattenuationz, rtexture_t *glosstexture, rtexture_t *bumptexture, rtexture_t *lightcubemap);
-void R_Shadow_ClearStencil(void);
+extern cvar_t r_shadow_realtime_dlight_shadows;
+extern cvar_t r_shadow_realtime_dlight_svbspculling;
+extern cvar_t r_shadow_realtime_dlight_portalculling;
+extern cvar_t r_shadow_realtime_world;
+extern cvar_t r_shadow_realtime_world_lightmaps;
+extern cvar_t r_shadow_realtime_world_shadows;
+extern cvar_t r_shadow_realtime_world_compile;
+extern cvar_t r_shadow_realtime_world_compileshadow;
+extern cvar_t r_shadow_realtime_world_compilesvbsp;
+extern cvar_t r_shadow_realtime_world_compileportalculling;
+extern cvar_t r_shadow_scissor;
+extern cvar_t r_shadow_polygonfactor;
+extern cvar_t r_shadow_polygonoffset;
+extern cvar_t r_shadow_texture3d;
+extern cvar_t gl_ext_separatestencil;
+extern cvar_t gl_ext_stenciltwoside;
-void R_Shadow_RenderShadowMeshVolume(shadowmesh_t *mesh);
-void R_Shadow_Stage_Begin(void);
-void R_Shadow_LoadWorldLightsIfNeeded(void);
-void R_Shadow_Stage_ShadowVolumes(void);
-void R_Shadow_Stage_LightWithShadows(void);
-void R_Shadow_Stage_LightWithoutShadows(void);
-void R_Shadow_Stage_End(void);
-int R_Shadow_ScissorForBBox(const float *mins, const float *maxs);
+// used by shader for bouncegrid feature
+typedef struct r_shadow_bouncegrid_settings_s
+{
+ qboolean staticmode;
+ qboolean bounceanglediffuse;
+ qboolean directionalshading;
+ qboolean includedirectlighting;
+ qboolean blur;
+ int floatcolors;
+ float dlightparticlemultiplier;
+ qboolean hitmodels;
+ float lightradiusscale;
+ int maxbounce;
+ int lightpathsize;
+ float particlebounceintensity;
+ float particleintensity;
+ int maxphotons;
+ float energyperphoton;
+ float spacing[3];
+ int stablerandom;
+}
+r_shadow_bouncegrid_settings_t;
-typedef struct worldlight_s
+typedef struct r_shadow_bouncegrid_state_s
{
- // saved properties
- vec3_t origin;
- vec_t lightradius;
- vec3_t light;
- vec3_t angles;
- int castshadows;
- char *cubemapname;
-
- // shadow volumes are done entirely in model space, so there are no matrices for dealing with them...
-
- // note that the world to light matrices are inversely scaled (divided) by lightradius
-
- // matrix for transforming world coordinates to light filter coordinates
- //matrix4x4_t matrix_worldtofilter;
- // based on worldtofilter this transforms -1 to +1 to 0 to 1 for purposes
- // of attenuation texturing in full 3D (z result often ignored)
- //matrix4x4_t matrix_worldtoattenuationxyz;
- // this transforms only the Z to S, and T is always 0.5
- //matrix4x4_t matrix_worldtoattenuationz;
-
- // generated properties
+ r_shadow_bouncegrid_settings_t settings;
+ qboolean capable;
+ qboolean allowdirectionalshading;
+ qboolean directional; // copied from settings.directionalshading after createtexture is decided
+ qboolean createtexture; // set to true to recreate the texture rather than updating it - happens when size changes or directional changes
+ rtexture_t *texture;
+ matrix4x4_t matrix;
+ vec_t intensity;
+ double lastupdatetime;
+ int resolution[3];
+ int numpixels;
+ int pixelbands;
+ int pixelsperband;
+ int bytesperband;
+ float spacing[3];
+ float ispacing[3];
vec3_t mins;
vec3_t maxs;
- vec_t cullradius;
- struct worldlight_s *next;
- rtexture_t *cubemap;
- int style;
- int selected;
-
- // premade shadow volumes and lit surfaces to render
- shadowmesh_t *meshchain_shadow;
- shadowmesh_t *meshchain_light;
+ vec3_t size;
+ int maxsplatpaths;
+
+ // per-frame data that is very temporary
+ int numsplatpaths;
+ struct r_shadow_bouncegrid_splatpath_s *splatpaths;
+ float *highpixels;
}
-worldlight_t;
+r_shadow_bouncegrid_state_t;
+
+extern r_shadow_bouncegrid_state_t r_shadow_bouncegrid_state;
+
+void R_Shadow_Init(void);
+qboolean R_Shadow_ShadowMappingEnabled(void);
+void R_Shadow_VolumeFromList(int numverts, int numtris, const float *invertex3f, const int *elements, const int *neighbors, const vec3_t projectorigin, const vec3_t projectdirection, float projectdistance, int nummarktris, const int *marktris, vec3_t trismins, vec3_t trismaxs);
+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);
+void R_Shadow_MarkVolumeFromBox(int firsttriangle, int numtris, const float *invertex3f, const int *elements, 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 R_Shadow_CalcTriangleSideMask(const vec3_t p1, const vec3_t p2, const vec3_t p3, float bias);
+int R_Shadow_CalcSphereSideMask(const vec3_t p1, float radius, float bias);
+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);
+void R_Shadow_RenderLighting(int texturenumsurfaces, const msurface_t **texturesurfacelist);
+void R_Shadow_RenderMode_Begin(void);
+void R_Shadow_RenderMode_ActiveLight(const rtlight_t *rtlight);
+void R_Shadow_RenderMode_Reset(void);
+void R_Shadow_RenderMode_StencilShadowVolumes(qboolean zpass);
+void R_Shadow_RenderMode_Lighting(qboolean stenciltest, qboolean transparent, qboolean shadowmapping);
+void R_Shadow_RenderMode_DrawDeferredLight(qboolean stenciltest, qboolean shadowmapping);
+void R_Shadow_RenderMode_VisibleShadowVolumes(void);
+void R_Shadow_RenderMode_VisibleLighting(qboolean stenciltest, qboolean transparent);
+void R_Shadow_RenderMode_End(void);
+void R_Shadow_ClearStencil(void);
+void R_Shadow_SetupEntityLight(const entity_render_t *ent);
+
+qboolean R_Shadow_ScissorForBBox(const float *mins, const float *maxs);
-extern worldlight_t *r_shadow_worldlightchain;
+// these never change, they are used to create attenuation matrices
+extern matrix4x4_t matrix_attenuationxyz;
+extern matrix4x4_t matrix_attenuationz;
void R_Shadow_UpdateWorldLightSelection(void);
-void R_Shadow_DrawStaticWorldLight_Shadow(worldlight_t *light, matrix4x4_t *matrix);
-void R_Shadow_DrawStaticWorldLight_Light(worldlight_t *light, matrix4x4_t *matrix, vec3_t relativelightorigin, vec3_t relativeeyeorigin, float lightradius, float *lightcolor, const matrix4x4_t *matrix_modeltofilter, const matrix4x4_t *matrix_modeltoattenuationxyz, const matrix4x4_t *matrix_modeltoattenuationz);
+extern rtlight_t *r_shadow_compilingrtlight;
+
+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);
+void R_RTLight_Compile(rtlight_t *rtlight);
+void R_RTLight_Uncompile(rtlight_t *rtlight);
+
+void R_Shadow_PrepareLights(int fbo, rtexture_t *depthtexture, rtexture_t *colortexture);
+void R_Shadow_DrawPrepass(void);
+void R_Shadow_DrawLights(void);
+void R_Shadow_DrawCoronas(void);
+
+extern int maxshadowmark;
+extern int numshadowmark;
+extern int *shadowmark;
+extern int *shadowmarklist;
+extern int shadowmarkcount;
+void R_Shadow_PrepareShadowMark(int numtris);
+
+extern int maxshadowsides;
+extern int numshadowsides;
+extern unsigned char *shadowsides;
+extern int *shadowsideslist;
+void R_Shadow_PrepareShadowSides(int numtris);
+
+void R_Shadow_PrepareModelShadows(void);
+
+#define LP_LIGHTMAP 1
+#define LP_RTWORLD 2
+#define LP_DYNLIGHT 4
+void R_LightPoint(float *color, const vec3_t p, const int flags);
+void R_CompleteLightPoint(float *ambientcolor, float *diffusecolor, float *diffusenormal, const vec3_t p, const int flags);
+
+void R_DrawModelShadowMaps(int fbo, rtexture_t *depthtexture, rtexture_t *colortexture);
+void R_DrawModelShadows(int fbo, rtexture_t *depthtexture, rtexture_t *colortexture);
#endif
projects / xonotic / darkplaces.git / blobdiff