X-Git-Url: http://git.xonotic.org/?p=xonotic%2Fdarkplaces.git;a=blobdiff_plain;f=r_shadow.h;h=b11420c2056d9f61ba97250f6ab939618724913f;hp=449c62eaa32b2574a9b16076dd22bd232b25c707;hb=7305affaa1bdcfa17d27e7e155ed850143753fcf;hpb=d3b158411b1d81181e05f750d9a7b0b2268438e2 diff --git a/r_shadow.h b/r_shadow.h index 449c62ea..b11420c2 100644 --- a/r_shadow.h +++ b/r_shadow.h @@ -2,69 +2,198 @@ #ifndef R_SHADOW_H #define R_SHADOW_H -extern cvar_t r_shadow_lightattenuationscale; -extern cvar_t r_shadow_lightintensityscale; -extern cvar_t r_shadow_realtime_world; -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; +#include "qtypes.h" +#include "taskqueue.h" +#include "matrixlib.h" +struct rtlight_s; +struct msurface_s; +struct entity_render_s; -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); +#define R_SHADOW_SHADOWMAP_NUMCUBEMAPS 8 + +extern struct cvar_s r_shadow_bumpscale_basetexture; +extern struct cvar_s r_shadow_bumpscale_bumpmap; +extern struct cvar_s r_shadow_debuglight; +extern struct cvar_s r_shadow_gloss; +extern struct cvar_s r_shadow_gloss2intensity; +extern struct cvar_s r_shadow_glossintensity; +extern struct cvar_s r_shadow_glossexponent; +extern struct cvar_s r_shadow_gloss2exponent; +extern struct cvar_s r_shadow_glossexact; +extern struct cvar_s r_shadow_lightattenuationpower; +extern struct cvar_s r_shadow_lightattenuationscale; +extern struct cvar_s r_shadow_lightintensityscale; +extern struct cvar_s r_shadow_lightradiusscale; +extern struct cvar_s r_shadow_projectdistance; +extern struct cvar_s r_shadow_frontsidecasting; +extern struct cvar_s r_shadow_realtime_dlight; +extern struct cvar_s r_shadow_realtime_dlight_shadows; +extern struct cvar_s r_shadow_realtime_dlight_svbspculling; +extern struct cvar_s r_shadow_realtime_dlight_portalculling; +extern struct cvar_s r_shadow_realtime_world; +extern struct cvar_s r_shadow_realtime_world_lightmaps; +extern struct cvar_s r_shadow_realtime_world_shadows; +extern struct cvar_s r_shadow_realtime_world_compile; +extern struct cvar_s r_shadow_realtime_world_compileshadow; +extern struct cvar_s r_shadow_realtime_world_compilesvbsp; +extern struct cvar_s r_shadow_realtime_world_compileportalculling; +extern struct cvar_s r_shadow_scissor; + +// used by shader for bouncegrid feature +typedef struct r_shadow_bouncegrid_settings_s +{ + qbool staticmode; + qbool directionalshading; + qbool includedirectlighting; + qbool blur; + qbool normalizevectors; + int floatcolors; + float dlightparticlemultiplier; + qbool hitmodels; + float lightradiusscale; + int maxbounce; + float lightpathsize; + float particlebounceintensity; + float particleintensity; + int maxphotons; + float energyperphoton; + float spacing[3]; + int rng_type; + int rng_seed; + float bounceminimumintensity2; + int subsamples; +} +r_shadow_bouncegrid_settings_t; + +#define PHOTON_MAX_PATHS 11 -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); +typedef struct r_shadow_bouncegrid_photon_path_s +{ + vec3_t start; + vec3_t end; + vec3_t color; +} +r_shadow_bouncegrid_photon_path_t; -typedef struct worldlight_s +typedef struct r_shadow_bouncegrid_photon_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 + // parameters for tracing this photon + vec3_t start; + vec3_t end; + float color[3]; + float bounceminimumintensity2; + float startrefractiveindex; + + // results + int numpaths; + r_shadow_bouncegrid_photon_path_t paths[PHOTON_MAX_PATHS]; +} +r_shadow_bouncegrid_photon_t; + +typedef struct r_shadow_bouncegrid_state_s +{ + r_shadow_bouncegrid_settings_t settings; + qbool capable; + qbool allowdirectionalshading; + qbool directional; // copied from settings.directionalshading after createtexture is decided + qbool createtexture; // set to true to recreate the texture rather than updating it - happens when size changes or directional changes + struct rtexture_s *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; - msurface_t **surfaces; - int numsurfaces; - rtexture_t *cubemap; - int style; - shadowmesh_t *shadowvolume; - int selected; + vec3_t size; + + // per-frame data that is very temporary + int highpixels_index; // which one is active - this toggles when doing blur + float *highpixels; // equals blurpixels[highpixels_index] + float *blurpixels[2]; + unsigned char *u8pixels; // temporary processing buffer when outputting to rgba8 format + unsigned short *fp16pixels; // temporary processing buffer when outputting to rgba16f format + // describe the photons we intend to shoot for threaded dispatch + int numphotons; // number of photons to shoot this frame, always <= settings.maxphotons + r_shadow_bouncegrid_photon_t *photons; // describes the photons being shot this frame + + // tasks + taskqueue_task_t cleartex_task; // clears the highpixels array + taskqueue_task_t assignphotons_task; // sets the photon counts on lights, etc + taskqueue_task_t enqueuephotons_task; // enqueues tasks to shoot the photons + taskqueue_task_t *photons_tasks; // [maxphotons] taskqueue entries to perform the photon shots + taskqueue_task_t photons_done_task; // checks that all photon shots are completed + taskqueue_task_t enqueue_slices_task; // enqueues slice tasks to render the light accumulation into the texture + taskqueue_task_t *slices_tasks; // [resolution[1]] taskqueue entries to perform the light path accumulation into the texture + taskqueue_task_t slices_done_task; // checks that light accumulation in the texture is done + taskqueue_task_t blurpixels_task; // blurs the highpixels array } -worldlight_t; +r_shadow_bouncegrid_state_t; + +extern r_shadow_bouncegrid_state_t r_shadow_bouncegrid_state; -extern worldlight_t *r_shadow_worldlightchain; +void R_Shadow_Init(void); +qbool R_Shadow_ShadowMappingEnabled(void); +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); +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 struct msurface_s **texturesurfacelist); +void R_Shadow_RenderMode_Begin(void); +void R_Shadow_RenderMode_ActiveLight(const struct rtlight_s *rtlight); +void R_Shadow_RenderMode_Reset(void); +void R_Shadow_RenderMode_Lighting(qbool transparent, qbool shadowmapping, qbool noselfshadowpass); +void R_Shadow_RenderMode_DrawDeferredLight(qbool shadowmapping); +void R_Shadow_RenderMode_VisibleLighting(qbool transparent); +void R_Shadow_RenderMode_End(void); +void R_Shadow_ClearStencil(void); +void R_Shadow_SetupEntityLight(const struct entity_render_s *ent); + +qbool R_Shadow_ScissorForBBox(const float *mins, const float *maxs); + +// 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); +extern struct rtlight_s *r_shadow_compilingrtlight; + +void R_RTLight_Update(struct rtlight_s *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(struct rtlight_s *rtlight); +void R_RTLight_Uncompile(struct rtlight_s *rtlight); + +void R_Shadow_PrepareLights(void); +void R_Shadow_ClearShadowMapTexture(void); +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_CompleteLightPoint(float *ambient, float *diffuse, float *lightdir, const vec3_t p, const int flags, float lightmapintensity, float ambientintensity); + +void R_Shadow_DrawShadowMaps(void); + #endif