#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;
-extern cvar_t r_shadow_shadows;
+#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
projects / xonotic / darkplaces.git / blobdiff