X-Git-Url: https://de.git.xonotic.org/?a=blobdiff_plain;f=r_shadow.c;h=b774a5c325cbe02b68643ac989a9f0329edb0e83;hb=05dbb25f75f5aeff3822a7feccad0e53a1d3c5be;hp=202ca281736b812e6246287f022e103da9b7d624;hpb=d936abc44e2965d49f8f2e3d5030c5ad3a5bf222;p=xonotic%2Fdarkplaces.git diff --git a/r_shadow.c b/r_shadow.c index 202ca281..b774a5c3 100644 --- a/r_shadow.c +++ b/r_shadow.c @@ -314,14 +314,14 @@ cvar_t r_shadow_realtime_world_compileshadow = {0, "r_shadow_realtime_world_comp cvar_t r_shadow_realtime_world_compilesvbsp = {0, "r_shadow_realtime_world_compilesvbsp", "1", "enables svbsp optimization during compilation (slower than compileportalculling but more exact)"}; cvar_t r_shadow_realtime_world_compileportalculling = {0, "r_shadow_realtime_world_compileportalculling", "1", "enables portal-based culling optimization during compilation (overrides compilesvbsp)"}; cvar_t r_shadow_scissor = {0, "r_shadow_scissor", "1", "use scissor optimization of light rendering (restricts rendering to the portion of the screen affected by the light)"}; -cvar_t r_shadow_shadowmapping = {CVAR_SAVE, "r_shadow_shadowmapping", "1", "enables use of shadowmapping (depth texture sampling) instead of stencil shadow volumes, requires gl_fbo 1"}; +cvar_t r_shadow_shadowmapping = {CVAR_SAVE, "r_shadow_shadowmapping", "1", "enables use of shadowmapping (depth texture sampling) instead of stencil shadow volumes"}; cvar_t r_shadow_shadowmapping_filterquality = {CVAR_SAVE, "r_shadow_shadowmapping_filterquality", "-1", "shadowmap filter modes: -1 = auto-select, 0 = no filtering, 1 = bilinear, 2 = bilinear 2x2 blur (fast), 3 = 3x3 blur (moderate), 4 = 4x4 blur (slow)"}; cvar_t r_shadow_shadowmapping_useshadowsampler = {CVAR_SAVE, "r_shadow_shadowmapping_useshadowsampler", "1", "whether to use sampler2DShadow if available"}; cvar_t r_shadow_shadowmapping_depthbits = {CVAR_SAVE, "r_shadow_shadowmapping_depthbits", "24", "requested minimum shadowmap texture depth bits"}; cvar_t r_shadow_shadowmapping_vsdct = {CVAR_SAVE, "r_shadow_shadowmapping_vsdct", "1", "enables use of virtual shadow depth cube texture"}; cvar_t r_shadow_shadowmapping_minsize = {CVAR_SAVE, "r_shadow_shadowmapping_minsize", "32", "limit of shadowmap side size - must be at least r_shadow_shadowmapping_bordersize+2"}; cvar_t r_shadow_shadowmapping_maxsize = {CVAR_SAVE, "r_shadow_shadowmapping_maxsize", "512", "limit of shadowmap side size - can not be more than 1/8th of atlassize because lights store 6 sides (2x3 grid) and sometimes 12 sides (4x3 grid for shadows from EF_NOSELFSHADOW entities) and there are multiple lights..."}; -cvar_t r_shadow_shadowmapping_texturesize = { CVAR_SAVE, "r_shadow_shadowmapping_texturesize", "4096", "size of shadowmap atlas texture - all shadowmaps are packed into this texture at frame start"}; +cvar_t r_shadow_shadowmapping_texturesize = { CVAR_SAVE, "r_shadow_shadowmapping_texturesize", "8192", "size of shadowmap atlas texture - all shadowmaps are packed into this texture at frame start"}; cvar_t r_shadow_shadowmapping_precision = {CVAR_SAVE, "r_shadow_shadowmapping_precision", "1", "makes shadowmaps have a maximum resolution of this number of pixels per light source radius unit such that, for example, at precision 0.5 a light with radius 200 will have a maximum resolution of 100 pixels"}; //cvar_t r_shadow_shadowmapping_lod_bias = {CVAR_SAVE, "r_shadow_shadowmapping_lod_bias", "16", "shadowmap size bias"}; //cvar_t r_shadow_shadowmapping_lod_scale = {CVAR_SAVE, "r_shadow_shadowmapping_lod_scale", "128", "shadowmap size scaling parameter"}; @@ -334,19 +334,26 @@ cvar_t r_shadow_sortsurfaces = {0, "r_shadow_sortsurfaces", "1", "improve perfor cvar_t r_shadow_polygonfactor = {0, "r_shadow_polygonfactor", "0", "how much to enlarge shadow volume polygons when rendering (should be 0!)"}; cvar_t r_shadow_polygonoffset = {0, "r_shadow_polygonoffset", "1", "how much to push shadow volumes into the distance when rendering, to reduce chances of zfighting artifacts (should not be less than 0)"}; cvar_t r_shadow_texture3d = {0, "r_shadow_texture3d", "1", "use 3D voxel textures for spherical attenuation rather than cylindrical (does not affect OpenGL 2.0 render path)"}; +cvar_t r_shadow_culllights_pvs = {CVAR_SAVE, "r_shadow_culllights_pvs", "1", "check if light overlaps any visible bsp leafs when determining if the light is visible"}; +cvar_t r_shadow_culllights_trace = {CVAR_SAVE, "r_shadow_culllights_trace", "1", "use raytraces from the eye to random places within light bounds to determine if the light is visible"}; +cvar_t r_shadow_culllights_trace_eyejitter = {CVAR_SAVE, "r_shadow_culllights_trace_eyejitter", "16", "offset eye location randomly by this much"}; +cvar_t r_shadow_culllights_trace_enlarge = {CVAR_SAVE, "r_shadow_culllights_trace_enlarge", "0.1", "make light bounds bigger by *1.0+enlarge"}; +cvar_t r_shadow_culllights_trace_samples = {CVAR_SAVE, "r_shadow_culllights_trace_samples", "16", "use this many traces to random positions (in addition to center trace)"}; +cvar_t r_shadow_culllights_trace_tempsamples = {CVAR_SAVE, "r_shadow_culllights_trace_tempsamples", "16", "use this many traces if the light was created by csqc (no inter-frame caching), -1 disables the check (to avoid flicker entirely)"}; +cvar_t r_shadow_culllights_trace_delay = {CVAR_SAVE, "r_shadow_culllights_trace_delay", "1", "light will be considered visible for this many seconds after any trace connects"}; cvar_t r_shadow_bouncegrid = {CVAR_SAVE, "r_shadow_bouncegrid", "0", "perform particle tracing for indirect lighting (Global Illumination / radiosity) using a 3D texture covering the scene, only active on levels with realtime lights active (r_shadow_realtime_world is usually required for these)"}; -cvar_t r_shadow_bouncegrid_blur = {CVAR_SAVE, "r_shadow_bouncegrid_blur", "1", "apply a 1-radius blur on bouncegrid to denoise it and deal with boundary issues with surfaces"}; +cvar_t r_shadow_bouncegrid_blur = {CVAR_SAVE, "r_shadow_bouncegrid_blur", "0", "apply a 1-radius blur on bouncegrid to denoise it and deal with boundary issues with surfaces"}; cvar_t r_shadow_bouncegrid_bounceanglediffuse = {CVAR_SAVE, "r_shadow_bouncegrid_bounceanglediffuse", "0", "use random bounce direction rather than true reflection, makes some corner areas dark"}; +cvar_t r_shadow_bouncegrid_dynamic_bounceminimumintensity = { CVAR_SAVE, "r_shadow_bouncegrid_dynamic_bounceminimumintensity", "0.05", "stop bouncing once intensity drops below this fraction of the original particle color" }; cvar_t r_shadow_bouncegrid_dynamic_culllightpaths = {CVAR_SAVE, "r_shadow_bouncegrid_dynamic_culllightpaths", "1", "skip accumulating light in the bouncegrid texture where the light paths are out of view (dynamic mode only)"}; -cvar_t r_shadow_bouncegrid_dynamic_dlightparticlemultiplier = {CVAR_SAVE, "r_shadow_bouncegrid_dynamic_dlightparticlemultiplier", "1", "if set to a high value like 16 this can make dlights look great, but 0 is recommended for performance reasons"}; cvar_t r_shadow_bouncegrid_dynamic_directionalshading = {CVAR_SAVE, "r_shadow_bouncegrid_dynamic_directionalshading", "0", "use diffuse shading rather than ambient, 3D texture becomes 8x as many pixels to hold the additional data"}; +cvar_t r_shadow_bouncegrid_dynamic_dlightparticlemultiplier = {CVAR_SAVE, "r_shadow_bouncegrid_dynamic_dlightparticlemultiplier", "1", "if set to a high value like 16 this can make dlights look great, but 0 is recommended for performance reasons"}; cvar_t r_shadow_bouncegrid_dynamic_hitmodels = {CVAR_SAVE, "r_shadow_bouncegrid_dynamic_hitmodels", "0", "enables hitting character model geometry (SLOW)"}; -cvar_t r_shadow_bouncegrid_dynamic_energyperphoton = {CVAR_SAVE, "r_shadow_bouncegrid_dynamic_energyperphoton", "10000", "amount of light that one photon should represent"}; -cvar_t r_shadow_bouncegrid_dynamic_lightradiusscale = {CVAR_SAVE, "r_shadow_bouncegrid_dynamic_lightradiusscale", "10", "particles stop at this fraction of light radius (can be more than 1)"}; -cvar_t r_shadow_bouncegrid_dynamic_maxbounce = {CVAR_SAVE, "r_shadow_bouncegrid_dynamic_maxbounce", "5", "maximum number of bounces for a particle (minimum is 0)"}; +cvar_t r_shadow_bouncegrid_dynamic_lightradiusscale = {CVAR_SAVE, "r_shadow_bouncegrid_dynamic_lightradiusscale", "2", "particles stop at this fraction of light radius (can be more than 1)"}; +cvar_t r_shadow_bouncegrid_dynamic_maxbounce = {CVAR_SAVE, "r_shadow_bouncegrid_dynamic_maxbounce", "2", "maximum number of bounces for a particle (minimum is 0)"}; cvar_t r_shadow_bouncegrid_dynamic_maxphotons = {CVAR_SAVE, "r_shadow_bouncegrid_dynamic_maxphotons", "25000", "upper bound on photons to shoot per update, divided proportionately between lights - normally the number of photons is calculated by energyperphoton"}; +cvar_t r_shadow_bouncegrid_dynamic_quality = {CVAR_SAVE, "r_shadow_bouncegrid_dynamic_quality", "1", "amount of photons that should be fired (this is multiplied by spacing^2 to make it adaptive with spacing changes)"}; cvar_t r_shadow_bouncegrid_dynamic_spacing = {CVAR_SAVE, "r_shadow_bouncegrid_dynamic_spacing", "64", "unit size of bouncegrid pixel"}; -cvar_t r_shadow_bouncegrid_dynamic_stablerandom = {CVAR_SAVE, "r_shadow_bouncegrid_dynamic_stablerandom", "1", "make particle distribution consistent from frame to frame"}; cvar_t r_shadow_bouncegrid_dynamic_updateinterval = {CVAR_SAVE, "r_shadow_bouncegrid_dynamic_updateinterval", "0", "update bouncegrid texture once per this many seconds, useful values are 0, 0.05, or 1000000"}; cvar_t r_shadow_bouncegrid_dynamic_x = {CVAR_SAVE, "r_shadow_bouncegrid_dynamic_x", "64", "maximum texture size of bouncegrid on X axis"}; cvar_t r_shadow_bouncegrid_dynamic_y = {CVAR_SAVE, "r_shadow_bouncegrid_dynamic_y", "64", "maximum texture size of bouncegrid on Y axis"}; @@ -354,16 +361,21 @@ cvar_t r_shadow_bouncegrid_dynamic_z = {CVAR_SAVE, "r_shadow_bouncegrid_dynamic_ cvar_t r_shadow_bouncegrid_floatcolors = {CVAR_SAVE, "r_shadow_bouncegrid_floatcolors", "1", "upload texture as RGBA16F (or RGBA32F when set to 2) rather than RGBA8 format - this gives more dynamic range and accuracy"}; cvar_t r_shadow_bouncegrid_includedirectlighting = {CVAR_SAVE, "r_shadow_bouncegrid_includedirectlighting", "0", "allows direct lighting to be recorded, not just indirect (gives an effect somewhat like r_shadow_realtime_world_lightmaps)"}; cvar_t r_shadow_bouncegrid_intensity = {CVAR_SAVE, "r_shadow_bouncegrid_intensity", "4", "overall brightness of bouncegrid texture"}; +cvar_t r_shadow_bouncegrid_lightpathsize_conespread = {CVAR_SAVE, "r_shadow_bouncegrid_lightpathsize_conespread", "0.015625", "increase lightpathsize over distance at this rate per grid cell"}; +cvar_t r_shadow_bouncegrid_lightpathsize_initial = {CVAR_SAVE, "r_shadow_bouncegrid_lightpathsize_initial", "0.5", "width (in grid cells) of the light path for accumulation of light in the bouncegrid texture"}; +cvar_t r_shadow_bouncegrid_normalizevectors = { CVAR_SAVE, "r_shadow_bouncegrid_normalizevectors", "1", "normalize random vectors (otherwise their length can vary, which dims the lighting further from the light)" }; cvar_t r_shadow_bouncegrid_particlebounceintensity = {CVAR_SAVE, "r_shadow_bouncegrid_particlebounceintensity", "2", "amount of energy carried over after each bounce, this is a multiplier of texture color and the result is clamped to 1 or less, to prevent adding energy on each bounce"}; cvar_t r_shadow_bouncegrid_particleintensity = {CVAR_SAVE, "r_shadow_bouncegrid_particleintensity", "0.25", "brightness of particles contributing to bouncegrid texture"}; +cvar_t r_shadow_bouncegrid_rng_seed = { CVAR_SAVE, "r_shadow_bouncegrid_rng_seed", "0", "0+ = use this number as RNG seed, -1 = use time instead for disco-like craziness in dynamic mode" }; +cvar_t r_shadow_bouncegrid_rng_type = { CVAR_SAVE, "r_shadow_bouncegrid_rng_type", "0", "0 = Lehmer 128bit RNG (slow but high quality), 1 = lhcheeserand 32bit RNG (quick)" }; cvar_t r_shadow_bouncegrid_sortlightpaths = {CVAR_SAVE, "r_shadow_bouncegrid_sortlightpaths", "1", "sort light paths before accumulating them into the bouncegrid texture, this reduces cpu cache misses"}; -cvar_t r_shadow_bouncegrid_lightpathsize = {CVAR_SAVE, "r_shadow_bouncegrid_lightpathsize", "1", "width of the light path for accumulation of light in the bouncegrid texture"}; cvar_t r_shadow_bouncegrid_static = {CVAR_SAVE, "r_shadow_bouncegrid_static", "1", "use static radiosity solution (high quality) rather than dynamic (splotchy)"}; +cvar_t r_shadow_bouncegrid_static_bounceminimumintensity = { CVAR_SAVE, "r_shadow_bouncegrid_static_bounceminimumintensity", "0.01", "stop bouncing once intensity drops below this fraction of the original particle color" }; cvar_t r_shadow_bouncegrid_static_directionalshading = {CVAR_SAVE, "r_shadow_bouncegrid_static_directionalshading", "1", "whether to use directionalshading when in static mode"}; -cvar_t r_shadow_bouncegrid_static_energyperphoton = {CVAR_SAVE, "r_shadow_bouncegrid_static_energyperphoton", "10000", "amount of light that one photon should represent in static mode"}; -cvar_t r_shadow_bouncegrid_static_lightradiusscale = {CVAR_SAVE, "r_shadow_bouncegrid_static_lightradiusscale", "10", "particles stop at this fraction of light radius (can be more than 1) when in static mode"}; +cvar_t r_shadow_bouncegrid_static_lightradiusscale = {CVAR_SAVE, "r_shadow_bouncegrid_static_lightradiusscale", "2", "particles stop at this fraction of light radius (can be more than 1) when in static mode"}; cvar_t r_shadow_bouncegrid_static_maxbounce = {CVAR_SAVE, "r_shadow_bouncegrid_static_maxbounce", "5", "maximum number of bounces for a particle (minimum is 0) in static mode"}; cvar_t r_shadow_bouncegrid_static_maxphotons = {CVAR_SAVE, "r_shadow_bouncegrid_static_maxphotons", "250000", "upper bound on photons in static mode"}; +cvar_t r_shadow_bouncegrid_static_quality = { CVAR_SAVE, "r_shadow_bouncegrid_static_quality", "16", "amount of photons that should be fired (this is multiplied by spacing^2 to make it adaptive with spacing changes)" }; cvar_t r_shadow_bouncegrid_static_spacing = {CVAR_SAVE, "r_shadow_bouncegrid_static_spacing", "64", "unit size of bouncegrid pixel when in static mode"}; cvar_t r_coronas = {CVAR_SAVE, "r_coronas", "0", "brightness of corona flare effects around certain lights, 0 disables corona effects"}; cvar_t r_coronas_occlusionsizescale = {CVAR_SAVE, "r_coronas_occlusionsizescale", "0.1", "size of light source for corona occlusion checksum the proportion of hidden pixels controls corona intensity"}; @@ -459,19 +471,19 @@ static void R_Shadow_SetShadowMode(void) { if (!r_fb.usedepthtextures) r_shadow_shadowmappcf = 1; - else if((strstr(gl_vendor, "NVIDIA") || strstr(gl_renderer, "Radeon HD")) && vid.support.arb_shadow && r_shadow_shadowmapshadowsampler) + else if((strstr(gl_vendor, "NVIDIA") || strstr(gl_renderer, "Radeon HD")) && vid.support.arb_shadow && r_shadow_shadowmapshadowsampler) { r_shadow_shadowmapsampler = true; r_shadow_shadowmappcf = 1; } else if(vid.support.amd_texture_texture4 || vid.support.arb_texture_gather) r_shadow_shadowmappcf = 1; - else if((strstr(gl_vendor, "ATI") || strstr(gl_vendor, "Advanced Micro Devices")) && !strstr(gl_renderer, "Mesa") && !strstr(gl_version, "Mesa")) + else if((strstr(gl_vendor, "ATI") || strstr(gl_vendor, "Advanced Micro Devices")) && !strstr(gl_renderer, "Mesa") && !strstr(gl_version, "Mesa")) r_shadow_shadowmappcf = 1; - else + else r_shadow_shadowmapsampler = vid.support.arb_shadow && r_shadow_shadowmapshadowsampler; } - else + else { r_shadow_shadowmapsampler = vid.support.arb_shadow && r_shadow_shadowmapshadowsampler; switch (r_shadow_shadowmapfilterquality) @@ -551,7 +563,6 @@ static void r_shadow_start(void) { // allocate vertex processing arrays memset(&r_shadow_bouncegrid_state, 0, sizeof(r_shadow_bouncegrid_state)); - r_shadow_bouncegrid_state.maxsplatpaths = 16384; r_shadow_attenuationgradienttexture = NULL; r_shadow_attenuation2dtexture = NULL; r_shadow_attenuation3dtexture = NULL; @@ -653,6 +664,13 @@ static void r_shadow_shutdown(void) if (r_shadow_scenelightlist) Mem_Free(r_shadow_scenelightlist); r_shadow_scenelightlist = NULL; + r_shadow_bouncegrid_state.highpixels = NULL; + if (r_shadow_bouncegrid_state.blurpixels[0]) Mem_Free(r_shadow_bouncegrid_state.blurpixels[0]); r_shadow_bouncegrid_state.blurpixels[0] = NULL; + if (r_shadow_bouncegrid_state.blurpixels[1]) Mem_Free(r_shadow_bouncegrid_state.blurpixels[1]); r_shadow_bouncegrid_state.blurpixels[1] = NULL; + if (r_shadow_bouncegrid_state.u8pixels) Mem_Free(r_shadow_bouncegrid_state.u8pixels); r_shadow_bouncegrid_state.u8pixels = NULL; + if (r_shadow_bouncegrid_state.fp16pixels) Mem_Free(r_shadow_bouncegrid_state.fp16pixels); r_shadow_bouncegrid_state.fp16pixels = NULL; + if (r_shadow_bouncegrid_state.splatpaths) Mem_Free(r_shadow_bouncegrid_state.splatpaths); r_shadow_bouncegrid_state.splatpaths = NULL; + r_shadow_bouncegrid_state.maxsplatpaths = 0; memset(&r_shadow_bouncegrid_state, 0, sizeof(r_shadow_bouncegrid_state)); r_shadow_attenuationgradienttexture = NULL; r_shadow_attenuation2dtexture = NULL; @@ -721,6 +739,13 @@ static void r_shadow_shutdown(void) static void r_shadow_newmap(void) { + r_shadow_bouncegrid_state.highpixels = NULL; + if (r_shadow_bouncegrid_state.blurpixels[0]) Mem_Free(r_shadow_bouncegrid_state.blurpixels[0]); r_shadow_bouncegrid_state.blurpixels[0] = NULL; + if (r_shadow_bouncegrid_state.blurpixels[1]) Mem_Free(r_shadow_bouncegrid_state.blurpixels[1]); r_shadow_bouncegrid_state.blurpixels[1] = NULL; + if (r_shadow_bouncegrid_state.u8pixels) Mem_Free(r_shadow_bouncegrid_state.u8pixels); r_shadow_bouncegrid_state.u8pixels = NULL; + if (r_shadow_bouncegrid_state.fp16pixels) Mem_Free(r_shadow_bouncegrid_state.fp16pixels); r_shadow_bouncegrid_state.fp16pixels = NULL; + if (r_shadow_bouncegrid_state.splatpaths) Mem_Free(r_shadow_bouncegrid_state.splatpaths); r_shadow_bouncegrid_state.splatpaths = NULL; + r_shadow_bouncegrid_state.maxsplatpaths = 0; if (r_shadow_bouncegrid_state.texture) R_FreeTexture(r_shadow_bouncegrid_state.texture);r_shadow_bouncegrid_state.texture = NULL; if (r_shadow_lightcorona) R_SkinFrame_MarkUsed(r_shadow_lightcorona); if (r_editlights_sprcursor) R_SkinFrame_MarkUsed(r_editlights_sprcursor); @@ -786,19 +811,26 @@ void R_Shadow_Init(void) Cvar_RegisterVariable(&r_shadow_polygonfactor); Cvar_RegisterVariable(&r_shadow_polygonoffset); Cvar_RegisterVariable(&r_shadow_texture3d); + Cvar_RegisterVariable(&r_shadow_culllights_pvs); + Cvar_RegisterVariable(&r_shadow_culllights_trace); + Cvar_RegisterVariable(&r_shadow_culllights_trace_eyejitter); + Cvar_RegisterVariable(&r_shadow_culllights_trace_enlarge); + Cvar_RegisterVariable(&r_shadow_culllights_trace_samples); + Cvar_RegisterVariable(&r_shadow_culllights_trace_tempsamples); + Cvar_RegisterVariable(&r_shadow_culllights_trace_delay); Cvar_RegisterVariable(&r_shadow_bouncegrid); Cvar_RegisterVariable(&r_shadow_bouncegrid_blur); Cvar_RegisterVariable(&r_shadow_bouncegrid_bounceanglediffuse); + Cvar_RegisterVariable(&r_shadow_bouncegrid_dynamic_bounceminimumintensity); Cvar_RegisterVariable(&r_shadow_bouncegrid_dynamic_culllightpaths); Cvar_RegisterVariable(&r_shadow_bouncegrid_dynamic_directionalshading); Cvar_RegisterVariable(&r_shadow_bouncegrid_dynamic_dlightparticlemultiplier); Cvar_RegisterVariable(&r_shadow_bouncegrid_dynamic_hitmodels); - Cvar_RegisterVariable(&r_shadow_bouncegrid_dynamic_energyperphoton); Cvar_RegisterVariable(&r_shadow_bouncegrid_dynamic_lightradiusscale); Cvar_RegisterVariable(&r_shadow_bouncegrid_dynamic_maxbounce); Cvar_RegisterVariable(&r_shadow_bouncegrid_dynamic_maxphotons); + Cvar_RegisterVariable(&r_shadow_bouncegrid_dynamic_quality); Cvar_RegisterVariable(&r_shadow_bouncegrid_dynamic_spacing); - Cvar_RegisterVariable(&r_shadow_bouncegrid_dynamic_stablerandom); Cvar_RegisterVariable(&r_shadow_bouncegrid_dynamic_updateinterval); Cvar_RegisterVariable(&r_shadow_bouncegrid_dynamic_x); Cvar_RegisterVariable(&r_shadow_bouncegrid_dynamic_y); @@ -806,17 +838,22 @@ void R_Shadow_Init(void) Cvar_RegisterVariable(&r_shadow_bouncegrid_floatcolors); Cvar_RegisterVariable(&r_shadow_bouncegrid_includedirectlighting); Cvar_RegisterVariable(&r_shadow_bouncegrid_intensity); - Cvar_RegisterVariable(&r_shadow_bouncegrid_lightpathsize); + Cvar_RegisterVariable(&r_shadow_bouncegrid_lightpathsize_conespread); + Cvar_RegisterVariable(&r_shadow_bouncegrid_lightpathsize_initial); + Cvar_RegisterVariable(&r_shadow_bouncegrid_normalizevectors); Cvar_RegisterVariable(&r_shadow_bouncegrid_particlebounceintensity); Cvar_RegisterVariable(&r_shadow_bouncegrid_particleintensity); + Cvar_RegisterVariable(&r_shadow_bouncegrid_rng_seed); + Cvar_RegisterVariable(&r_shadow_bouncegrid_rng_type); Cvar_RegisterVariable(&r_shadow_bouncegrid_sortlightpaths); Cvar_RegisterVariable(&r_shadow_bouncegrid_static); - Cvar_RegisterVariable(&r_shadow_bouncegrid_static_spacing); + Cvar_RegisterVariable(&r_shadow_bouncegrid_static_bounceminimumintensity); Cvar_RegisterVariable(&r_shadow_bouncegrid_static_directionalshading); Cvar_RegisterVariable(&r_shadow_bouncegrid_static_lightradiusscale); Cvar_RegisterVariable(&r_shadow_bouncegrid_static_maxbounce); Cvar_RegisterVariable(&r_shadow_bouncegrid_static_maxphotons); - Cvar_RegisterVariable(&r_shadow_bouncegrid_static_energyperphoton); + Cvar_RegisterVariable(&r_shadow_bouncegrid_static_quality); + Cvar_RegisterVariable(&r_shadow_bouncegrid_static_spacing); Cvar_RegisterVariable(&r_coronas); Cvar_RegisterVariable(&r_coronas_occlusionsizescale); Cvar_RegisterVariable(&r_coronas_occlusionquery); @@ -1584,7 +1621,7 @@ static int R_Shadow_CullFrustumSides(rtlight_t *rtlight, float size, float borde int sides = 0x3F, masks[6] = { 3<<4, 3<<4, 3<<0, 3<<0, 3<<2, 3<<2 }; float scale = (size - 2*border)/size, len; float bias = border / (float)(size - border), dp, dn, ap, an; - // check if cone enclosing side would cross frustum plane + // check if cone enclosing side would cross frustum plane scale = 2 / (scale*scale + 2); Matrix4x4_OriginFromMatrix(&rtlight->matrix_lighttoworld, o); for (i = 0;i < 5;i++) @@ -2408,11 +2445,13 @@ typedef struct r_shadow_bouncegrid_splatpath_s vec3_t splatcolor; vec3_t splatdir; vec_t splatintensity; + vec_t splatsize_current; + vec_t splatsize_perstep; int remainingsplats; } r_shadow_bouncegrid_splatpath_t; -static void R_Shadow_BounceGrid_AddSplatPath(vec3_t originalstart, vec3_t originalend, vec3_t color) +static void R_Shadow_BounceGrid_AddSplatPath(vec3_t originalstart, vec3_t originalend, vec3_t color, vec_t distancetraveled) { int bestaxis; int numsplats; @@ -2464,12 +2503,10 @@ static void R_Shadow_BounceGrid_AddSplatPath(vec3_t originalstart, vec3_t origin { // double the limit, this will persist from frame to frame so we don't // make the same mistake each time - r_shadow_bouncegrid_splatpath_t *newpaths; r_shadow_bouncegrid_state.maxsplatpaths *= 2; - newpaths = (r_shadow_bouncegrid_splatpath_t *)R_FrameData_Alloc(sizeof(r_shadow_bouncegrid_splatpath_t) * r_shadow_bouncegrid_state.maxsplatpaths); - if (r_shadow_bouncegrid_state.splatpaths) - memcpy(newpaths, r_shadow_bouncegrid_state.splatpaths, r_shadow_bouncegrid_state.numsplatpaths * sizeof(r_shadow_bouncegrid_splatpath_t)); - r_shadow_bouncegrid_state.splatpaths = newpaths; + if (r_shadow_bouncegrid_state.maxsplatpaths < 16384) + r_shadow_bouncegrid_state.maxsplatpaths = 16384; + r_shadow_bouncegrid_state.splatpaths = (r_shadow_bouncegrid_splatpath_t *)Mem_Realloc(r_main_mempool, r_shadow_bouncegrid_state.splatpaths, sizeof(r_shadow_bouncegrid_splatpath_t) * r_shadow_bouncegrid_state.maxsplatpaths); } // divide a series of splats along the length using the maximum axis @@ -2494,6 +2531,8 @@ static void R_Shadow_BounceGrid_AddSplatPath(vec3_t originalstart, vec3_t origin VectorScale(diff, ilen, path->step); VectorCopy(color, path->splatcolor); VectorCopy(originaldir, path->splatdir); + path->splatsize_current = r_shadow_bouncegrid_state.settings.lightpathsize_initial + r_shadow_bouncegrid_state.settings.lightpathsize_conespread * distancetraveled * r_shadow_bouncegrid_state.ispacing[0]; + path->splatsize_perstep = r_shadow_bouncegrid_state.settings.lightpathsize_conespread; path->splatintensity = VectorLength(color); path->remainingsplats = numsplats; } @@ -2535,16 +2574,19 @@ static qboolean R_Shadow_BounceGrid_CheckEnable(int flag) static void R_Shadow_BounceGrid_GenerateSettings(r_shadow_bouncegrid_settings_t *settings) { qboolean s = r_shadow_bouncegrid_static.integer != 0; - float spacing = s ? r_shadow_bouncegrid_static_spacing.value : r_shadow_bouncegrid_dynamic_spacing.value; + float spacing = bound(1.0f, s ? r_shadow_bouncegrid_static_spacing.value : r_shadow_bouncegrid_dynamic_spacing.value, 1024.0f); + float quality = bound(0.0001f, (s ? r_shadow_bouncegrid_static_quality.value : r_shadow_bouncegrid_dynamic_quality.value), 1024.0f); + float bounceminimumintensity = s ? r_shadow_bouncegrid_static_bounceminimumintensity.value : r_shadow_bouncegrid_dynamic_bounceminimumintensity.value; // prevent any garbage in alignment padded areas as we'll be using memcmp - memset(settings, 0, sizeof(*settings)); + memset(settings, 0, sizeof(*settings)); // build up a complete collection of the desired settings, so that memcmp can be used to compare parameters settings->staticmode = s; settings->blur = r_shadow_bouncegrid_blur.integer != 0; settings->floatcolors = bound(0, r_shadow_bouncegrid_floatcolors.integer, 2); - settings->lightpathsize = bound(1, r_shadow_bouncegrid_lightpathsize.integer, MAXBOUNCEGRIDSPLATSIZE); + settings->lightpathsize_initial = bound(0.0f, r_shadow_bouncegrid_lightpathsize_initial.value, 1024.0f); + settings->lightpathsize_conespread = bound(0.0f, r_shadow_bouncegrid_lightpathsize_conespread.value, 1024.0f); settings->bounceanglediffuse = r_shadow_bouncegrid_bounceanglediffuse.integer != 0; settings->directionalshading = (s ? r_shadow_bouncegrid_static_directionalshading.integer != 0 : r_shadow_bouncegrid_dynamic_directionalshading.integer != 0) && r_shadow_bouncegrid_state.allowdirectionalshading; settings->dlightparticlemultiplier = s ? 0 : r_shadow_bouncegrid_dynamic_dlightparticlemultiplier.value; @@ -2553,13 +2595,17 @@ static void R_Shadow_BounceGrid_GenerateSettings(r_shadow_bouncegrid_settings_t settings->lightradiusscale = (s ? r_shadow_bouncegrid_static_lightradiusscale.value : r_shadow_bouncegrid_dynamic_lightradiusscale.value); settings->maxbounce = (s ? r_shadow_bouncegrid_static_maxbounce.integer : r_shadow_bouncegrid_dynamic_maxbounce.integer); settings->particlebounceintensity = r_shadow_bouncegrid_particlebounceintensity.value; - settings->particleintensity = r_shadow_bouncegrid_particleintensity.value * 16384.0f * (settings->directionalshading ? 4.0f : 1.0f) / (spacing * spacing); + settings->particleintensity = r_shadow_bouncegrid_particleintensity.value * (settings->directionalshading ? 4.0f : 1.0f) * 16384 / (spacing * spacing) / 262144.0f; settings->maxphotons = s ? r_shadow_bouncegrid_static_maxphotons.integer : r_shadow_bouncegrid_dynamic_maxphotons.integer; - settings->energyperphoton = s ? r_shadow_bouncegrid_static_energyperphoton.integer : r_shadow_bouncegrid_dynamic_energyperphoton.integer; + settings->energyperphoton = spacing * spacing / quality; settings->spacing[0] = spacing; settings->spacing[1] = spacing; settings->spacing[2] = spacing; - settings->stablerandom = s ? 1 : r_shadow_bouncegrid_dynamic_stablerandom.integer; + settings->rng_type = r_shadow_bouncegrid_rng_type.integer; + settings->rng_seed = r_shadow_bouncegrid_rng_seed.integer; + settings->bounceminimumintensity2 = bounceminimumintensity * bounceminimumintensity; + settings->bounceminimumintensity2 = bounceminimumintensity * bounceminimumintensity; + settings->normalizevectors = r_shadow_bouncegrid_normalizevectors.integer != 0; // bound the values for sanity settings->maxphotons = bound(1, settings->maxphotons, 25000000); @@ -2594,8 +2640,54 @@ static void R_Shadow_BounceGrid_UpdateSpacing(void) // calculate texture size enclosing entire world bounds at the spacing if (r_refdef.scene.worldmodel) { - VectorMA(r_refdef.scene.worldmodel->normalmins, -2.0f, spacing, mins); - VectorMA(r_refdef.scene.worldmodel->normalmaxs, 2.0f, spacing, maxs); + int lightindex; + int range; + qboolean bounds_set = false; + dlight_t *light; + rtlight_t *rtlight; + + // calculate bounds enclosing world lights as they should be noticably tighter + // than the world bounds on maps with unlit monster containers (see e1m7 etc) + range = (unsigned int)Mem_ExpandableArray_IndexRange(&r_shadow_worldlightsarray); // checked + for (lightindex = 0;lightindex < range;lightindex++) + { + const vec_t *rtlmins, *rtlmaxs; + + light = (dlight_t *) Mem_ExpandableArray_RecordAtIndex(&r_shadow_worldlightsarray, lightindex); + if (!light) + continue; + + rtlight = &light->rtlight; + rtlmins = rtlight->cullmins; + rtlmaxs = rtlight->cullmaxs; + + if (!bounds_set) + { + VectorCopy(rtlmins, mins); + VectorCopy(rtlmaxs, maxs); + bounds_set = true; + } + else + { + mins[0] = min(mins[0], rtlmins[0]); + mins[1] = min(mins[1], rtlmins[1]); + mins[2] = min(mins[2], rtlmins[2]); + maxs[0] = max(maxs[0], rtlmaxs[0]); + maxs[1] = max(maxs[1], rtlmaxs[1]); + maxs[2] = max(maxs[2], rtlmaxs[2]); + } + } + + // limit to no larger than the world bounds + mins[0] = max(mins[0], r_refdef.scene.worldmodel->normalmins[0]); + mins[1] = max(mins[1], r_refdef.scene.worldmodel->normalmins[1]); + mins[2] = max(mins[2], r_refdef.scene.worldmodel->normalmins[2]); + maxs[0] = min(maxs[0], r_refdef.scene.worldmodel->normalmaxs[0]); + maxs[1] = min(maxs[1], r_refdef.scene.worldmodel->normalmaxs[1]); + maxs[2] = min(maxs[2], r_refdef.scene.worldmodel->normalmaxs[2]); + + VectorMA(mins, -2.0f, spacing, mins); + VectorMA(maxs, 2.0f, spacing, maxs); } else { @@ -2680,11 +2772,14 @@ static void R_Shadow_BounceGrid_UpdateSpacing(void) numpixels = r_shadow_bouncegrid_state.pixelsperband*r_shadow_bouncegrid_state.pixelbands; if (r_shadow_bouncegrid_state.numpixels != numpixels) { - if (r_shadow_bouncegrid_state.texture) - { - R_FreeTexture(r_shadow_bouncegrid_state.texture); - r_shadow_bouncegrid_state.texture = NULL; - } + if (r_shadow_bouncegrid_state.texture) R_FreeTexture(r_shadow_bouncegrid_state.texture);r_shadow_bouncegrid_state.texture = NULL; + r_shadow_bouncegrid_state.highpixels = NULL; + if (r_shadow_bouncegrid_state.blurpixels[0]) Mem_Free(r_shadow_bouncegrid_state.blurpixels[0]); r_shadow_bouncegrid_state.blurpixels[0] = NULL; + if (r_shadow_bouncegrid_state.blurpixels[1]) Mem_Free(r_shadow_bouncegrid_state.blurpixels[1]); r_shadow_bouncegrid_state.blurpixels[1] = NULL; + if (r_shadow_bouncegrid_state.u8pixels) Mem_Free(r_shadow_bouncegrid_state.u8pixels); r_shadow_bouncegrid_state.u8pixels = NULL; + if (r_shadow_bouncegrid_state.fp16pixels) Mem_Free(r_shadow_bouncegrid_state.fp16pixels); r_shadow_bouncegrid_state.fp16pixels = NULL; + if (r_shadow_bouncegrid_state.splatpaths) Mem_Free(r_shadow_bouncegrid_state.splatpaths); r_shadow_bouncegrid_state.splatpaths = NULL; + r_shadow_bouncegrid_state.maxsplatpaths = 0; r_shadow_bouncegrid_state.numpixels = numpixels; } @@ -2700,17 +2795,16 @@ static void R_Shadow_BounceGrid_UpdateSpacing(void) Matrix4x4_FromArrayFloatD3D(&r_shadow_bouncegrid_state.matrix, m); } -#define MAXBOUNCEGRIDPARTICLESPERLIGHT 1048576 - // enumerate world rtlights and sum the overall amount of light in the world, // from that we can calculate a scaling factor to fairly distribute photons // to all the lights // // this modifies rtlight->photoncolor and rtlight->photons -static void R_Shadow_BounceGrid_AssignPhotons(r_shadow_bouncegrid_settings_t *settings, unsigned int range, unsigned int range1, unsigned int range2, int flag, float *photonscaling) +static void R_Shadow_BounceGrid_AssignPhotons(r_shadow_bouncegrid_settings_t *settings, unsigned int range, unsigned int range1, unsigned int range2, int flag) { float normalphotonscaling; - float maxphotonscaling; + float photonscaling; + float photonintensity; float photoncount = 0.0f; float lightintensity; float radius; @@ -2721,16 +2815,20 @@ static void R_Shadow_BounceGrid_AssignPhotons(r_shadow_bouncegrid_settings_t *se unsigned int lightindex; dlight_t *light; rtlight_t *rtlight; + normalphotonscaling = 1.0f / max(0.0001f, settings->energyperphoton); for (lightindex = 0;lightindex < range2;lightindex++) { if (lightindex < range) { - light = (dlight_t *) Mem_ExpandableArray_RecordAtIndex(&r_shadow_worldlightsarray, lightindex); + light = (dlight_t *)Mem_ExpandableArray_RecordAtIndex(&r_shadow_worldlightsarray, lightindex); if (!light) continue; rtlight = &light->rtlight; - VectorClear(rtlight->photoncolor); - rtlight->photons = 0; + VectorClear(rtlight->bouncegrid_photoncolor); + rtlight->bouncegrid_photons = 0; + rtlight->bouncegrid_hits = 0; + rtlight->bouncegrid_traces = 0; + rtlight->bouncegrid_effectiveradius = 0; if (!(light->flags & flag)) continue; if (settings->staticmode) @@ -2739,12 +2837,17 @@ static void R_Shadow_BounceGrid_AssignPhotons(r_shadow_bouncegrid_settings_t *se if (rtlight->style > 0 && r_shadow_bouncegrid.integer != 2) continue; } + else if (r_shadow_debuglight.integer >= 0 && (int)lightindex != r_shadow_debuglight.integer) + continue; } else { rtlight = r_refdef.scene.lights[lightindex - range]; - VectorClear(rtlight->photoncolor); - rtlight->photons = 0; + VectorClear(rtlight->bouncegrid_photoncolor); + rtlight->bouncegrid_photons = 0; + rtlight->bouncegrid_hits = 0; + rtlight->bouncegrid_traces = 0; + rtlight->bouncegrid_effectiveradius = 0; } // draw only visible lights (major speedup) radius = rtlight->radius * settings->lightradiusscale; @@ -2757,12 +2860,26 @@ static void R_Shadow_BounceGrid_AssignPhotons(r_shadow_bouncegrid_settings_t *se w = r_shadow_lightintensityscale.value * (rtlight->ambientscale + rtlight->diffusescale + rtlight->specularscale); if (!settings->staticmode) { - if (R_CullBox(cullmins, cullmaxs)) - continue; + // skip if the expanded light box does not touch any visible leafs if (r_refdef.scene.worldmodel - && r_refdef.scene.worldmodel->brush.BoxTouchingVisibleLeafs - && !r_refdef.scene.worldmodel->brush.BoxTouchingVisibleLeafs(r_refdef.scene.worldmodel, r_refdef.viewcache.world_leafvisible, cullmins, cullmaxs)) + && r_refdef.scene.worldmodel->brush.BoxTouchingVisibleLeafs + && !r_refdef.scene.worldmodel->brush.BoxTouchingVisibleLeafs(r_refdef.scene.worldmodel, r_refdef.viewcache.world_leafvisible, cullmins, cullmaxs)) continue; + // skip if the expanded light box is not visible to traceline + // note that PrepareLight already did this check but for a smaller box, so we + // end up casting more traces per frame per light when using bouncegrid, which + // is probably fine (and they use the same timer) + if (r_shadow_culllights_trace.integer) + { + if (rtlight->trace_timer != realtime && R_CanSeeBox(rtlight->trace_timer == 0 ? r_shadow_culllights_trace_tempsamples.integer : r_shadow_culllights_trace_samples.integer, r_shadow_culllights_trace_eyejitter.value, r_shadow_culllights_trace_enlarge.value, r_refdef.view.origin, rtlight->cullmins, rtlight->cullmaxs)) + rtlight->trace_timer = realtime; + if (realtime - rtlight->trace_timer > r_shadow_culllights_trace_delay.value) + return; + } + // skip if expanded light box is offscreen + if (R_CullBox(cullmins, cullmaxs)) + continue; + // skip if overall light intensity is zero if (w * VectorLength2(rtlight->color) == 0.0f) continue; } @@ -2771,9 +2888,9 @@ static void R_Shadow_BounceGrid_AssignPhotons(r_shadow_bouncegrid_settings_t *se if (rtlight->radius == 0.0f || VectorLength2(rtlight->color) == 0.0f) continue; w *= ((rtlight->style >= 0 && rtlight->style < MAX_LIGHTSTYLES) ? r_refdef.scene.rtlightstylevalue[rtlight->style] : 1); - VectorScale(rtlight->color, w, rtlight->photoncolor); + VectorScale(rtlight->color, w, rtlight->bouncegrid_photoncolor); // skip lights that will emit no photons - if (!VectorLength2(rtlight->photoncolor)) + if (!VectorLength2(rtlight->bouncegrid_photoncolor)) continue; // shoot particles from this light // use a calculation for the number of particles that will not @@ -2784,20 +2901,41 @@ static void R_Shadow_BounceGrid_AssignPhotons(r_shadow_bouncegrid_settings_t *se lightintensity = VectorLength(rtlight->color) * (rtlight->ambientscale + rtlight->diffusescale + rtlight->specularscale); if (lightindex >= range) lightintensity *= settings->dlightparticlemultiplier; - rtlight->photons = bound(0.0f, lightintensity * s * s, MAXBOUNCEGRIDPARTICLESPERLIGHT); - photoncount += rtlight->photons; + rtlight->bouncegrid_photons = lightintensity * s * s * normalphotonscaling; + photoncount += rtlight->bouncegrid_photons; + VectorScale(rtlight->bouncegrid_photoncolor, settings->particleintensity * settings->energyperphoton, rtlight->bouncegrid_photoncolor); // if the lightstyle happens to be off right now, we can skip actually // firing the photons, but we did have to count them in the total. //if (VectorLength2(rtlight->photoncolor) == 0.0f) - // rtlight->photons = 0; + // rtlight->bouncegrid_photons = 0; } // the user provided an energyperphoton value which we try to use // if that results in too many photons to shoot this frame, then we cap it // which causes photons to appear/disappear from frame to frame, so we don't // like doing that in the typical case - normalphotonscaling = 1.0f / max(0.0001f, settings->energyperphoton); - maxphotonscaling = (float)settings->maxphotons / max(1, photoncount); - *photonscaling = min(normalphotonscaling, maxphotonscaling); + photonscaling = 1.0f; + photonintensity = 1.0f; + if (photoncount > settings->maxphotons) + { + photonscaling = settings->maxphotons / photoncount; + photonintensity = 1.0f / photonscaling; + } + + // modify the lights to reflect our computed scaling + for (lightindex = 0; lightindex < range2; lightindex++) + { + if (lightindex < range) + { + light = (dlight_t *)Mem_ExpandableArray_RecordAtIndex(&r_shadow_worldlightsarray, lightindex); + if (!light) + continue; + rtlight = &light->rtlight; + } + else + rtlight = r_refdef.scene.lights[lightindex - range]; + rtlight->bouncegrid_photons *= photonscaling; + VectorScale(rtlight->bouncegrid_photoncolor, photonintensity, rtlight->bouncegrid_photoncolor); + } } static int R_Shadow_BounceGrid_SplatPathCompare(const void *pa, const void *pb) @@ -2815,14 +2953,17 @@ static int R_Shadow_BounceGrid_SplatPathCompare(const void *pa, const void *pb) static void R_Shadow_BounceGrid_ClearPixels(void) { // clear the highpixels array we'll be accumulating into - r_shadow_bouncegrid_state.highpixels = (float *)R_FrameData_Alloc(r_shadow_bouncegrid_state.numpixels * sizeof(float[4])); + if (r_shadow_bouncegrid_state.blurpixels[0] == NULL) + r_shadow_bouncegrid_state.blurpixels[0] = (float *)Mem_Alloc(r_main_mempool, r_shadow_bouncegrid_state.numpixels * sizeof(float[4])); + if (r_shadow_bouncegrid_state.settings.blur && r_shadow_bouncegrid_state.blurpixels[1] == NULL) + r_shadow_bouncegrid_state.blurpixels[1] = (float *)Mem_Alloc(r_main_mempool, r_shadow_bouncegrid_state.numpixels * sizeof(float[4])); + r_shadow_bouncegrid_state.highpixels_index = 0; + r_shadow_bouncegrid_state.highpixels = r_shadow_bouncegrid_state.blurpixels[r_shadow_bouncegrid_state.highpixels_index]; memset(r_shadow_bouncegrid_state.highpixels, 0, r_shadow_bouncegrid_state.numpixels * sizeof(float[4])); } static void R_Shadow_BounceGrid_PerformSplats(void) { - int splatsize = r_shadow_bouncegrid_state.settings.lightpathsize; - int splatsize1 = splatsize + 1; r_shadow_bouncegrid_splatpath_t *splatpaths = r_shadow_bouncegrid_state.splatpaths; r_shadow_bouncegrid_splatpath_t *splatpath; float *highpixels = r_shadow_bouncegrid_state.highpixels; @@ -2831,12 +2972,10 @@ static void R_Shadow_BounceGrid_PerformSplats(void) vec3_t steppos; vec3_t stepdelta; vec3_t dir; - float texcorner[3]; - float texlerp[MAXBOUNCEGRIDSPLATSIZE1][3]; + vec_t lightpathsize_current; + vec_t lightpathsize_perstep; float splatcolor[32]; - float boxweight = 1.0f / (splatsize * splatsize * splatsize); int resolution[3]; - int tex[3]; int pixelsperband = r_shadow_bouncegrid_state.pixelsperband; int pixelbands = r_shadow_bouncegrid_state.pixelbands; int numsteps; @@ -2852,10 +2991,6 @@ static void R_Shadow_BounceGrid_PerformSplats(void) if (r_shadow_bouncegrid_sortlightpaths.integer) qsort(splatpaths, numsplatpaths, sizeof(*splatpaths), R_Shadow_BounceGrid_SplatPathCompare); - // the middle row/column/layer of each splat are full intensity - for (step = 1;step < splatsize;step++) - VectorSet(texlerp[step], 1.0f, 1.0f, 1.0f); - splatpath = splatpaths; for (splatindex = 0;splatindex < numsplatpaths;splatindex++, splatpath++) { @@ -2907,59 +3042,64 @@ static void R_Shadow_BounceGrid_PerformSplats(void) VectorCopy(splatpath->point, steppos); VectorCopy(splatpath->step, stepdelta); numsteps = splatpath->remainingsplats; + lightpathsize_current = splatpath->splatsize_current + 1.0f; // add 1.0 for the gradient fade around the sphere + lightpathsize_perstep = splatpath->splatsize_perstep; for (step = 0;step < numsteps;step++) { - r_refdef.stats[r_stat_bouncegrid_splats]++; - // figure out the min corner of the pixels we'll need to update - texcorner[0] = steppos[0] - (splatsize1 * 0.5f); - texcorner[1] = steppos[1] - (splatsize1 * 0.5f); - texcorner[2] = steppos[2] - (splatsize1 * 0.5f); - tex[0] = (int)floor(texcorner[0]); - tex[1] = (int)floor(texcorner[1]); - tex[2] = (int)floor(texcorner[2]); - // only update if it is within reasonable bounds - if (tex[0] >= 1 - && tex[1] >= 1 - && tex[2] >= 1 - && tex[0] < resolution[0] - splatsize1 - && tex[1] < resolution[1] - splatsize1 - && tex[2] < resolution[2] - splatsize1) + // the middle row/column/layer of each splat are full intensity + float splatmins[3]; + float splatmaxs[3]; + if (lightpathsize_current > MAXBOUNCEGRIDSPLATSIZE) + lightpathsize_current = MAXBOUNCEGRIDSPLATSIZE; + splatmins[0] = max(1.0f, steppos[0] - lightpathsize_current * 0.5f); + splatmins[1] = max(1.0f, steppos[1] - lightpathsize_current * 0.5f); + splatmins[2] = max(1.0f, steppos[2] - lightpathsize_current * 0.5f); + splatmaxs[0] = min(steppos[0] + lightpathsize_current * 0.5f, resolution[0] - 1.0f); + splatmaxs[1] = min(steppos[1] + lightpathsize_current * 0.5f, resolution[1] - 1.0f); + splatmaxs[2] = min(steppos[2] + lightpathsize_current * 0.5f, resolution[2] - 1.0f); + if (splatmaxs[0] > splatmins[0] && splatmaxs[1] > splatmins[1] && splatmaxs[2] > splatmins[2]) { // it is within bounds... do the real work now - int xi, yi, zi; - - // calculate the antialiased box edges - texlerp[splatsize][0] = texcorner[0] - tex[0]; - texlerp[splatsize][1] = texcorner[1] - tex[1]; - texlerp[splatsize][2] = texcorner[2] - tex[2]; - texlerp[0][0] = 1.0f - texlerp[splatsize][0]; - texlerp[0][1] = 1.0f - texlerp[splatsize][1]; - texlerp[0][2] = 1.0f - texlerp[splatsize][2]; - + int xi, yi, zi, band, row; + float pixelpos[3]; + float w; + float *p; + float colorscale = 1.0f / lightpathsize_current; + r_refdef.stats[r_stat_bouncegrid_splats]++; // accumulate light onto the pixels - for (zi = 0;zi < splatsize1;zi++) + for (zi = (int)floor(splatmins[2]);zi < splatmaxs[2];zi++) { - for (yi = 0;yi < splatsize1;yi++) + pixelpos[2] = zi + 0.5f; + for (yi = (int)floor(splatmins[1]); yi < splatmaxs[1]; yi++) { - int index = ((tex[2]+zi)*resolution[1]+tex[1]+yi)*resolution[0]+tex[0]; - for (xi = 0;xi < splatsize1;xi++, index++) + pixelpos[1] = yi + 0.5f; + row = (zi*resolution[1] + yi)*resolution[0]; + for (xi = (int)floor(splatmins[0]); xi < splatmaxs[0]; xi++) { - float w = texlerp[xi][0]*texlerp[yi][1]*texlerp[zi][2] * boxweight; - int band = 0; - float *p = highpixels + 4 * index + band * pixelsperband * 4; - for (;band < pixelbands;band++, p += pixelsperband * 4) + pixelpos[0] = xi + 0.5f; + // simple radial antialiased sphere - linear gradient fade over 1 pixel from the edge + w = lightpathsize_current - VectorDistance(pixelpos, steppos); + if (w > 0.0f) { - // add to the pixel color - p[0] += splatcolor[band*4+0] * w; - p[1] += splatcolor[band*4+1] * w; - p[2] += splatcolor[band*4+2] * w; - p[3] += splatcolor[band*4+3] * w; + if (w > 1.0f) + w = 1.0f; + w *= colorscale; + p = highpixels + 4 * (row + xi); + for (band = 0; band < pixelbands; band++, p += pixelsperband * 4) + { + // add to the pixel color + p[0] += splatcolor[band * 4 + 0] * w; + p[1] += splatcolor[band * 4 + 1] * w; + p[2] += splatcolor[band * 4 + 2] * w; + p[3] += splatcolor[band * 4 + 3] * w; + } } } } } } VectorAdd(steppos, stepdelta, steppos); + lightpathsize_current += lightpathsize_perstep; } } } @@ -2998,22 +3138,29 @@ static void R_Shadow_BounceGrid_BlurPixelsInDirection(const float *inpixels, flo static void R_Shadow_BounceGrid_BlurPixels(void) { - float *highpixels = r_shadow_bouncegrid_state.highpixels; - float *temppixels1 = (float *)R_FrameData_Alloc(r_shadow_bouncegrid_state.numpixels * sizeof(float[4])); - float *temppixels2 = (float *)R_FrameData_Alloc(r_shadow_bouncegrid_state.numpixels * sizeof(float[4])); + float *pixels[4]; unsigned int resolution[3]; - if (!r_shadow_bouncegrid_blur.integer) + if (!r_shadow_bouncegrid_state.settings.blur) return; VectorCopy(r_shadow_bouncegrid_state.resolution, resolution); + pixels[0] = r_shadow_bouncegrid_state.blurpixels[r_shadow_bouncegrid_state.highpixels_index]; + pixels[1] = r_shadow_bouncegrid_state.blurpixels[r_shadow_bouncegrid_state.highpixels_index ^ 1]; + pixels[2] = r_shadow_bouncegrid_state.blurpixels[r_shadow_bouncegrid_state.highpixels_index]; + pixels[3] = r_shadow_bouncegrid_state.blurpixels[r_shadow_bouncegrid_state.highpixels_index ^ 1]; + // blur on X - R_Shadow_BounceGrid_BlurPixelsInDirection(highpixels, temppixels1, 4); + R_Shadow_BounceGrid_BlurPixelsInDirection(pixels[0], pixels[1], 4); // blur on Y - R_Shadow_BounceGrid_BlurPixelsInDirection(temppixels1, temppixels2, resolution[0] * 4); + R_Shadow_BounceGrid_BlurPixelsInDirection(pixels[1], pixels[2], resolution[0] * 4); // blur on Z - R_Shadow_BounceGrid_BlurPixelsInDirection(temppixels2, highpixels, resolution[0] * resolution[1] * 4); + R_Shadow_BounceGrid_BlurPixelsInDirection(pixels[2], pixels[3], resolution[0] * resolution[1] * 4); + + // toggle the state, highpixels now points to pixels[3] result + r_shadow_bouncegrid_state.highpixels_index ^= 1; + r_shadow_bouncegrid_state.highpixels = r_shadow_bouncegrid_state.blurpixels[r_shadow_bouncegrid_state.highpixels_index]; } static void R_Shadow_BounceGrid_ConvertPixelsAndUpload(void) @@ -3072,7 +3219,9 @@ static void R_Shadow_BounceGrid_ConvertPixelsAndUpload(void) switch (floatcolors) { case 0: - pixelsbgra8 = (unsigned char *)R_FrameData_Alloc(r_shadow_bouncegrid_state.numpixels * sizeof(unsigned char[4])); + if (r_shadow_bouncegrid_state.u8pixels == NULL) + r_shadow_bouncegrid_state.u8pixels = (unsigned char *)Mem_Alloc(r_main_mempool, r_shadow_bouncegrid_state.numpixels * sizeof(unsigned char[4])); + pixelsbgra8 = r_shadow_bouncegrid_state.u8pixels; for (pixelband = 0;pixelband < pixelbands;pixelband++) { if (pixelband == 1) @@ -3124,7 +3273,9 @@ static void R_Shadow_BounceGrid_ConvertPixelsAndUpload(void) r_shadow_bouncegrid_state.texture = R_LoadTexture3D(r_shadow_texturepool, "bouncegrid", resolution[0], resolution[1], resolution[2]*pixelbands, pixelsbgra8, TEXTYPE_BGRA, TEXF_CLAMP | TEXF_ALPHA | TEXF_FORCELINEAR, 0, NULL); break; case 1: - pixelsrgba16f = (unsigned short *)R_FrameData_Alloc(r_shadow_bouncegrid_state.numpixels * sizeof(unsigned short[4])); + if (r_shadow_bouncegrid_state.fp16pixels == NULL) + r_shadow_bouncegrid_state.fp16pixels = (unsigned short *)Mem_Alloc(r_main_mempool, r_shadow_bouncegrid_state.numpixels * sizeof(unsigned short[4])); + pixelsrgba16f = r_shadow_bouncegrid_state.fp16pixels; memset(pixelsrgba16f, 0, r_shadow_bouncegrid_state.numpixels * sizeof(unsigned short[4])); for (z = 1;z < resolution[2]-1;z++) { @@ -3186,19 +3337,23 @@ static void R_Shadow_BounceGrid_ConvertPixelsAndUpload(void) r_shadow_bouncegrid_state.lastupdatetime = realtime; } -static void R_Shadow_BounceGrid_TracePhotons(r_shadow_bouncegrid_settings_t settings, unsigned int range, unsigned int range1, unsigned int range2, float photonscaling, int flag) +static void R_Shadow_BounceGrid_TracePhotons(r_shadow_bouncegrid_settings_t settings, unsigned int range, unsigned int range1, unsigned int range2, int flag) { + vec3_t bouncerandom[10]; dlight_t *light; int bouncecount; int hitsupercontentsmask; + int skipsupercontentsmask; int maxbounce; int shootparticles; int shotparticles; + float bounceminimumintensity2; trace_t cliptrace; //trace_t cliptrace2; //trace_t cliptrace3; unsigned int lightindex; - unsigned int seed = (unsigned int)(realtime * 1000.0f); + unsigned int seed; + randomseed_t randomseed; vec3_t shotcolor; vec3_t baseshotcolor; vec3_t surfcolor; @@ -3206,18 +3361,22 @@ static void R_Shadow_BounceGrid_TracePhotons(r_shadow_bouncegrid_settings_t sett vec3_t clipstart; vec3_t clipdiff; vec_t radius; + vec_t distancetraveled; vec_t s; rtlight_t *rtlight; - // we'll need somewhere to store these + // compute a seed for the unstable random modes + Math_RandomSeed_FromInts(&randomseed, 0, 0, 0, realtime * 1000.0); + seed = realtime * 1000.0; + r_shadow_bouncegrid_state.numsplatpaths = 0; - r_shadow_bouncegrid_state.splatpaths = (r_shadow_bouncegrid_splatpath_t *)R_FrameData_Alloc(sizeof(r_shadow_bouncegrid_splatpath_t) * r_shadow_bouncegrid_state.maxsplatpaths); // figure out what we want to interact with if (settings.hitmodels) hitsupercontentsmask = SUPERCONTENTS_SOLID | SUPERCONTENTS_BODY;// | SUPERCONTENTS_LIQUIDSMASK; else hitsupercontentsmask = SUPERCONTENTS_SOLID;// | SUPERCONTENTS_LIQUIDSMASK; + skipsupercontentsmask = SUPERCONTENTS_SKY; // this allows the e1m5 sky shadow to work by ignoring the sky surfaces maxbounce = settings.maxbounce; for (lightindex = 0;lightindex < range2;lightindex++) @@ -3234,50 +3393,111 @@ static void R_Shadow_BounceGrid_TracePhotons(r_shadow_bouncegrid_settings_t sett // note that this code used to keep track of residual photons and // distribute them evenly to achieve exactly a desired photon count, // but that caused unwanted flickering in dynamic mode - shootparticles = (int)floor(rtlight->photons * photonscaling); + shootparticles = (int)floor(rtlight->bouncegrid_photons); // skip if we won't be shooting any photons if (!shootparticles) continue; radius = rtlight->radius * settings.lightradiusscale; - s = settings.particleintensity / shootparticles; - VectorScale(rtlight->photoncolor, s, baseshotcolor); + //s = settings.particleintensity / shootparticles; + //VectorScale(rtlight->bouncegrid_photoncolor, s, baseshotcolor); + VectorCopy(rtlight->bouncegrid_photoncolor, baseshotcolor); + if (VectorLength2(baseshotcolor) <= 0.0f) + continue; r_refdef.stats[r_stat_bouncegrid_lights]++; r_refdef.stats[r_stat_bouncegrid_particles] += shootparticles; + // we stop caring about bounces once the brightness goes below this fraction of the original intensity + bounceminimumintensity2 = VectorLength(baseshotcolor) * settings.bounceminimumintensity2; + + // for seeded random we start the RNG with the position of the light + if (settings.rng_seed >= 0) + { + union + { + unsigned int i[4]; + float f[4]; + } + u; + u.f[0] = rtlight->shadoworigin[0]; + u.f[1] = rtlight->shadoworigin[1]; + u.f[2] = rtlight->shadoworigin[2]; + u.f[3] = 1; + switch (settings.rng_type) + { + default: + case 0: + // we have to shift the seed provided by the user because the result must be odd + Math_RandomSeed_FromInts(&randomseed, u.i[0], u.i[1], u.i[2], u.i[3] ^ (settings.rng_seed << 1)); + break; + case 1: + seed = u.i[0] ^ u.i[1] ^ u.i[2] ^ u.i[3] ^ settings.rng_seed; + break; + } + } + for (shotparticles = 0;shotparticles < shootparticles;shotparticles++) { - if (settings.stablerandom > 0) - seed = lightindex * 11937 + shotparticles; VectorCopy(baseshotcolor, shotcolor); VectorCopy(rtlight->shadoworigin, clipstart); - if (settings.stablerandom < 0) - VectorRandom(clipend); - else - VectorCheeseRandom(clipend); + switch (settings.rng_type) + { + default: + case 0: + VectorLehmerRandom(&randomseed, clipend); + if (settings.bounceanglediffuse) + { + // we want random to be stable, so we still have to do all the random we would have done + for (bouncecount = 0; bouncecount < maxbounce; bouncecount++) + VectorLehmerRandom(&randomseed, bouncerandom[bouncecount]); + } + break; + case 1: + VectorCheeseRandom(seed, clipend); + if (settings.bounceanglediffuse) + { + // we want random to be stable, so we still have to do all the random we would have done + for (bouncecount = 0; bouncecount < maxbounce; bouncecount++) + VectorCheeseRandom(seed, bouncerandom[bouncecount]); + } + break; + } + + // we want a uniform distribution spherically, not merely within the sphere + if (settings.normalizevectors) + VectorNormalize(clipend); + VectorMA(clipstart, radius, clipend, clipend); + distancetraveled = 0.0f; for (bouncecount = 0;;bouncecount++) { r_refdef.stats[r_stat_bouncegrid_traces]++; + rtlight->bouncegrid_traces++; //r_refdef.scene.worldmodel->TraceLineAgainstSurfaces(r_refdef.scene.worldmodel, NULL, NULL, &cliptrace, clipstart, clipend, hitsupercontentsmask); //r_refdef.scene.worldmodel->TraceLine(r_refdef.scene.worldmodel, NULL, NULL, &cliptrace2, clipstart, clipend, hitsupercontentsmask); - if (settings.staticmode) + if (settings.staticmode || settings.rng_seed < 0) { // static mode fires a LOT of rays but none of them are identical, so they are not cached - cliptrace = CL_TraceLine(clipstart, clipend, settings.staticmode ? MOVE_WORLDONLY : (settings.hitmodels ? MOVE_HITMODEL : MOVE_NOMONSTERS), NULL, hitsupercontentsmask, collision_extendmovelength.value, true, false, NULL, true, true); + // non-stable random in dynamic mode also never reuses a direction, so there's no reason to cache it + cliptrace = CL_TraceLine(clipstart, clipend, settings.staticmode ? MOVE_WORLDONLY : (settings.hitmodels ? MOVE_HITMODEL : MOVE_NOMONSTERS), NULL, hitsupercontentsmask, skipsupercontentsmask, collision_extendmovelength.value, true, false, NULL, true, true); } else { // dynamic mode fires many rays and most will match the cache from the previous frame - cliptrace = CL_Cache_TraceLineSurfaces(clipstart, clipend, settings.staticmode ? MOVE_WORLDONLY : (settings.hitmodels ? MOVE_HITMODEL : MOVE_NOMONSTERS), hitsupercontentsmask); + cliptrace = CL_Cache_TraceLineSurfaces(clipstart, clipend, settings.staticmode ? MOVE_WORLDONLY : (settings.hitmodels ? MOVE_HITMODEL : MOVE_NOMONSTERS), hitsupercontentsmask, skipsupercontentsmask); } if (bouncecount > 0 || settings.includedirectlighting) { vec3_t hitpos; VectorCopy(cliptrace.endpos, hitpos); - R_Shadow_BounceGrid_AddSplatPath(clipstart, hitpos, shotcolor); + R_Shadow_BounceGrid_AddSplatPath(clipstart, hitpos, shotcolor, distancetraveled); } + distancetraveled += VectorDistance(clipstart, cliptrace.endpos); + s = VectorDistance(rtlight->shadoworigin, cliptrace.endpos); + if (rtlight->bouncegrid_effectiveradius < s) + rtlight->bouncegrid_effectiveradius = s; if (cliptrace.fraction >= 1.0f) break; r_refdef.stats[r_stat_bouncegrid_hits]++; + rtlight->bouncegrid_hits++; if (bouncecount >= maxbounce) break; // scale down shot color by bounce intensity and texture color (or 50% if no texture reported) @@ -3291,18 +3511,14 @@ static void R_Shadow_BounceGrid_TracePhotons(r_shadow_bouncegrid_settings_t sett surfcolor[1] = min(surfcolor[1], 1.0f); surfcolor[2] = min(surfcolor[2], 1.0f); VectorMultiply(shotcolor, surfcolor, shotcolor); - if (VectorLength2(baseshotcolor) == 0.0f) + if (VectorLength2(shotcolor) <= bounceminimumintensity2) break; r_refdef.stats[r_stat_bouncegrid_bounces]++; if (settings.bounceanglediffuse) { // random direction, primarily along plane normal s = VectorDistance(cliptrace.endpos, clipend); - if (settings.stablerandom < 0) - VectorRandom(clipend); - else - VectorCheeseRandom(clipend); - VectorMA(cliptrace.plane.normal, 0.95f, clipend, clipend); + VectorMA(cliptrace.plane.normal, 0.95f, bouncerandom[bouncecount], clipend); VectorNormalize(clipend); VectorScale(clipend, s, clipend); } @@ -3329,7 +3545,6 @@ void R_Shadow_UpdateBounceGridTexture(void) unsigned int range; // number of world lights unsigned int range1; // number of dynamic lights (or zero if disabled) unsigned int range2; // range+range1 - float photonscaling; enable = R_Shadow_BounceGrid_CheckEnable(flag); @@ -3349,6 +3564,13 @@ void R_Shadow_UpdateBounceGridTexture(void) R_FreeTexture(r_shadow_bouncegrid_state.texture); r_shadow_bouncegrid_state.texture = NULL; } + r_shadow_bouncegrid_state.highpixels = NULL; + if (r_shadow_bouncegrid_state.blurpixels[0]) Mem_Free(r_shadow_bouncegrid_state.blurpixels[0]); r_shadow_bouncegrid_state.blurpixels[0] = NULL; + if (r_shadow_bouncegrid_state.blurpixels[1]) Mem_Free(r_shadow_bouncegrid_state.blurpixels[1]); r_shadow_bouncegrid_state.blurpixels[1] = NULL; + if (r_shadow_bouncegrid_state.u8pixels) Mem_Free(r_shadow_bouncegrid_state.u8pixels); r_shadow_bouncegrid_state.u8pixels = NULL; + if (r_shadow_bouncegrid_state.fp16pixels) Mem_Free(r_shadow_bouncegrid_state.fp16pixels); r_shadow_bouncegrid_state.fp16pixels = NULL; + if (r_shadow_bouncegrid_state.splatpaths) Mem_Free(r_shadow_bouncegrid_state.splatpaths); r_shadow_bouncegrid_state.splatpaths = NULL; + r_shadow_bouncegrid_state.maxsplatpaths = 0; r_shadow_bouncegrid_state.numpixels = 0; r_shadow_bouncegrid_state.directional = false; @@ -3374,10 +3596,10 @@ void R_Shadow_UpdateBounceGridTexture(void) range2 = range + range1; // calculate weighting factors for distributing photons among the lights - R_Shadow_BounceGrid_AssignPhotons(&settings, range, range1, range2, flag, &photonscaling); + R_Shadow_BounceGrid_AssignPhotons(&settings, range, range1, range2, flag); // trace the photons from lights and accumulate illumination - R_Shadow_BounceGrid_TracePhotons(settings, range, range1, range2, photonscaling, flag); + R_Shadow_BounceGrid_TracePhotons(settings, range, range1, range2, flag); // clear the texture R_Shadow_BounceGrid_ClearPixels(); @@ -3390,6 +3612,18 @@ void R_Shadow_UpdateBounceGridTexture(void) // convert the pixels to lower precision and upload the texture R_Shadow_BounceGrid_ConvertPixelsAndUpload(); + + // after we compute the static lighting we don't need to keep the highpixels array around + if (settings.staticmode) + { + r_shadow_bouncegrid_state.highpixels = NULL; + if (r_shadow_bouncegrid_state.blurpixels[0]) Mem_Free(r_shadow_bouncegrid_state.blurpixels[0]); r_shadow_bouncegrid_state.blurpixels[0] = NULL; + if (r_shadow_bouncegrid_state.blurpixels[1]) Mem_Free(r_shadow_bouncegrid_state.blurpixels[1]); r_shadow_bouncegrid_state.blurpixels[1] = NULL; + if (r_shadow_bouncegrid_state.u8pixels) Mem_Free(r_shadow_bouncegrid_state.u8pixels); r_shadow_bouncegrid_state.u8pixels = NULL; + if (r_shadow_bouncegrid_state.fp16pixels) Mem_Free(r_shadow_bouncegrid_state.fp16pixels); r_shadow_bouncegrid_state.fp16pixels = NULL; + if (r_shadow_bouncegrid_state.splatpaths) Mem_Free(r_shadow_bouncegrid_state.splatpaths); r_shadow_bouncegrid_state.splatpaths = NULL; + r_shadow_bouncegrid_state.maxsplatpaths = 0; + } } void R_Shadow_RenderMode_VisibleShadowVolumes(void) @@ -3932,7 +4166,7 @@ void R_RTLight_Compile(rtlight_t *rtlight) // this variable must be set for the CompileShadowVolume/CompileShadowMap code r_shadow_compilingrtlight = rtlight; R_FrameData_SetMark(); - model->GetLightInfo(ent, rtlight->shadoworigin, rtlight->radius, rtlight->cullmins, rtlight->cullmaxs, r_shadow_buffer_leaflist, r_shadow_buffer_leafpvs, &numleafs, r_shadow_buffer_surfacelist, r_shadow_buffer_surfacepvs, &numsurfaces, r_shadow_buffer_shadowtrispvs, r_shadow_buffer_lighttrispvs, r_shadow_buffer_visitingleafpvs, 0, NULL); + model->GetLightInfo(ent, rtlight->shadoworigin, rtlight->radius, rtlight->cullmins, rtlight->cullmaxs, r_shadow_buffer_leaflist, r_shadow_buffer_leafpvs, &numleafs, r_shadow_buffer_surfacelist, r_shadow_buffer_surfacepvs, &numsurfaces, r_shadow_buffer_shadowtrispvs, r_shadow_buffer_lighttrispvs, r_shadow_buffer_visitingleafpvs, 0, NULL, rtlight->shadow == 0); R_FrameData_ReturnToMark(); numleafpvsbytes = (model->brush.num_leafs + 7) >> 3; numshadowtrispvsbytes = ((model->brush.shadowmesh ? model->brush.shadowmesh->numtriangles : model->surfmesh.num_triangles) + 7) >> 3; @@ -4450,7 +4684,7 @@ static void R_Shadow_PrepareLight(rtlight_t *rtlight) } */ - // if lightstyle is currently off, don't draw the light + // skip if lightstyle is currently off if (VectorLength2(rtlight->currentcolor) < (1.0f / 1048576.0f)) return; @@ -4458,10 +4692,27 @@ static void R_Shadow_PrepareLight(rtlight_t *rtlight) if (nolight) return; - // if the light box is offscreen, skip it + // skip if the light box is not touching any visible leafs + if (r_shadow_culllights_pvs.integer + && r_refdef.scene.worldmodel + && r_refdef.scene.worldmodel->brush.BoxTouchingVisibleLeafs + && !r_refdef.scene.worldmodel->brush.BoxTouchingVisibleLeafs(r_refdef.scene.worldmodel, r_refdef.viewcache.world_leafvisible, rtlight->cullmins, rtlight->cullmaxs)) + return; + + // skip if the light box is not visible to traceline + if (r_shadow_culllights_trace.integer) + { + if (rtlight->trace_timer != realtime && R_CanSeeBox(rtlight->trace_timer == 0 ? r_shadow_culllights_trace_tempsamples.integer : r_shadow_culllights_trace_samples.integer, r_shadow_culllights_trace_eyejitter.value, r_shadow_culllights_trace_enlarge.value, r_refdef.view.origin, rtlight->cullmins, rtlight->cullmaxs)) + rtlight->trace_timer = realtime; + if (realtime - rtlight->trace_timer > r_shadow_culllights_trace_delay.value) + return; + } + + // skip if the light box is off screen if (R_CullBox(rtlight->cullmins, rtlight->cullmaxs)) return; + // in the typical case this will be quickly replaced by GetLightInfo VectorCopy(rtlight->cullmins, rtlight->cached_cullmins); VectorCopy(rtlight->cullmaxs, rtlight->cached_cullmaxs); @@ -4488,7 +4739,7 @@ static void R_Shadow_PrepareLight(rtlight_t *rtlight) { // dynamic light, world available and can receive realtime lighting // calculate lit surfaces and leafs - r_refdef.scene.worldmodel->GetLightInfo(r_refdef.scene.worldentity, rtlight->shadoworigin, rtlight->radius, rtlight->cached_cullmins, rtlight->cached_cullmaxs, r_shadow_buffer_leaflist, r_shadow_buffer_leafpvs, &numleafs, r_shadow_buffer_surfacelist, r_shadow_buffer_surfacepvs, &numsurfaces, r_shadow_buffer_shadowtrispvs, r_shadow_buffer_lighttrispvs, r_shadow_buffer_visitingleafpvs, rtlight->cached_numfrustumplanes, rtlight->cached_frustumplanes); + r_refdef.scene.worldmodel->GetLightInfo(r_refdef.scene.worldentity, rtlight->shadoworigin, rtlight->radius, rtlight->cached_cullmins, rtlight->cached_cullmaxs, r_shadow_buffer_leaflist, r_shadow_buffer_leafpvs, &numleafs, r_shadow_buffer_surfacelist, r_shadow_buffer_surfacepvs, &numsurfaces, r_shadow_buffer_shadowtrispvs, r_shadow_buffer_lighttrispvs, r_shadow_buffer_visitingleafpvs, rtlight->cached_numfrustumplanes, rtlight->cached_frustumplanes, rtlight->shadow == 0); R_Shadow_ComputeShadowCasterCullingPlanes(rtlight); leaflist = r_shadow_buffer_leaflist; leafpvs = r_shadow_buffer_leafpvs; @@ -5064,12 +5315,13 @@ void R_Shadow_DrawPrepass(void) #define MAX_SCENELIGHTS 65536 qboolean R_Shadow_PrepareLights_AddSceneLight(rtlight_t *rtlight) { - if (r_shadow_scenenumlights >= MAX_SCENELIGHTS) - return false; - if (r_shadow_scenemaxlights <= r_shadow_scenenumlights && r_shadow_scenemaxlights < MAX_SCENELIGHTS) + if (r_shadow_scenemaxlights <= r_shadow_scenenumlights) { - r_shadow_scenemaxlights = bound(1024, r_shadow_scenemaxlights, 65536); - r_shadow_scenelightlist = (rtlight_t **)Mem_Realloc(r_main_mempool, r_shadow_scenelightlist, r_shadow_scenemaxlights); + if (r_shadow_scenenumlights >= MAX_SCENELIGHTS) + return false; + r_shadow_scenemaxlights *= 2; + r_shadow_scenemaxlights = bound(1024, r_shadow_scenemaxlights, MAX_SCENELIGHTS); + r_shadow_scenelightlist = (rtlight_t **)Mem_Realloc(r_main_mempool, r_shadow_scenelightlist, r_shadow_scenemaxlights * sizeof(rtlight_t *)); } r_shadow_scenelightlist[r_shadow_scenenumlights++] = rtlight; return true; @@ -5439,7 +5691,7 @@ static void R_Shadow_DrawModelShadowMaps(void) VectorAdd(shadoworigin, r_refdef.view.origin, shadoworigin); dot1 = DotProduct(r_refdef.view.forward, shadowdir); dot2 = DotProduct(r_refdef.view.up, shadowdir); - if (fabs(dot1) <= fabs(dot2)) + if (fabs(dot1) <= fabs(dot2)) VectorMA(r_refdef.view.forward, -dot1, shadowdir, shadowforward); else VectorMA(r_refdef.view.up, -dot2, shadowdir, shadowforward); @@ -5499,7 +5751,7 @@ static void R_Shadow_DrawModelShadowMaps(void) Matrix4x4_Concat(&mvpmatrix, &r_refdef.view.viewport.projectmatrix, &r_refdef.view.viewport.viewmatrix); Matrix4x4_Invert_Full(&invmvpmatrix, &mvpmatrix); - Matrix4x4_CreateScale3(&scalematrix, size, -size, 1); + Matrix4x4_CreateScale3(&scalematrix, size, -size, 1); Matrix4x4_AdjustOrigin(&scalematrix, 0, size, -0.5f * bias); Matrix4x4_Concat(&texmatrix, &scalematrix, &shadowmatrix); Matrix4x4_Concat(&r_shadow_shadowmapmatrix, &texmatrix, &invmvpmatrix); @@ -5728,13 +5980,10 @@ static void R_DrawCorona(rtlight_t *rtlight, float cscale, float scale) { switch(vid.renderpath) { - case RENDERPATH_GL11: - case RENDERPATH_GL13: case RENDERPATH_GL20: case RENDERPATH_GLES1: case RENDERPATH_GLES2: #if defined(GL_SAMPLES_PASSED_ARB) && !defined(USE_GLES2) - CHECKGLERROR // See if we can use the GPU-side method to prevent implicit sync if (vid.support.arb_query_buffer_object) { #define BUFFER_OFFSET(i) ((GLint *)((unsigned char*)NULL + (i))) @@ -5749,13 +5998,23 @@ static void R_DrawCorona(rtlight_t *rtlight, float cscale, float scale) qglGetQueryObjectivARB(rtlight->corona_queryindex_allpixels, GL_QUERY_RESULT_ARB, BUFFER_OFFSET(4)); qglBindBufferBase(GL_UNIFORM_BUFFER, 0, r_shadow_occlusion_buf); occlude = MATERIALFLAG_OCCLUDE; - } else { - qglGetQueryObjectivARB(rtlight->corona_queryindex_visiblepixels, GL_QUERY_RESULT_ARB, &visiblepixels); - qglGetQueryObjectivARB(rtlight->corona_queryindex_allpixels, GL_QUERY_RESULT_ARB, &allpixels); - if (visiblepixels < 1 || allpixels < 1) - return; - rtlight->corona_visibility *= bound(0, (float)visiblepixels / (float)allpixels, 1); + cscale *= rtlight->corona_visibility; + CHECKGLERROR + break; } + // fallthrough +#else + return; +#endif + case RENDERPATH_GL11: + case RENDERPATH_GL13: +#if defined(GL_SAMPLES_PASSED_ARB) && !defined(USE_GLES2) + CHECKGLERROR + qglGetQueryObjectivARB(rtlight->corona_queryindex_visiblepixels, GL_QUERY_RESULT_ARB, &visiblepixels); + qglGetQueryObjectivARB(rtlight->corona_queryindex_allpixels, GL_QUERY_RESULT_ARB, &allpixels); + if (visiblepixels < 1 || allpixels < 1) + return; + rtlight->corona_visibility *= bound(0, (float)visiblepixels / (float)allpixels, 1); cscale *= rtlight->corona_visibility; CHECKGLERROR break; @@ -5781,7 +6040,7 @@ static void R_DrawCorona(rtlight_t *rtlight, float cscale, float scale) else { // FIXME: these traces should scan all render entities instead of cl.world - if (CL_TraceLine(r_refdef.view.origin, rtlight->shadoworigin, MOVE_NOMONSTERS, NULL, SUPERCONTENTS_SOLID, collision_extendmovelength.value, true, false, NULL, false, true).fraction < 1) + if (CL_TraceLine(r_refdef.view.origin, rtlight->shadoworigin, MOVE_NOMONSTERS, NULL, SUPERCONTENTS_SOLID, SUPERCONTENTS_SKY, collision_extendmovelength.value, true, false, NULL, false, true).fraction < 1) return; } VectorScale(rtlight->currentcolor, cscale, color); @@ -6114,7 +6373,7 @@ static void R_Shadow_SelectLightInView(void) if (rating >= 0.95) { rating /= (1 + 0.0625f * sqrt(DotProduct(temp, temp))); - if (bestrating < rating && CL_TraceLine(light->origin, r_refdef.view.origin, MOVE_NOMONSTERS, NULL, SUPERCONTENTS_SOLID, collision_extendmovelength.value, true, false, NULL, false, true).fraction == 1.0f) + if (bestrating < rating && CL_TraceLine(light->origin, r_refdef.view.origin, MOVE_NOMONSTERS, NULL, SUPERCONTENTS_SOLID, SUPERCONTENTS_SKY, collision_extendmovelength.value, true, false, NULL, false, true).fraction == 1.0f) { bestrating = rating; best = light; @@ -6564,7 +6823,7 @@ static void R_Shadow_SetCursorLocationForView(void) vec3_t dest, endpos; trace_t trace; VectorMA(r_refdef.view.origin, r_editlights_cursordistance.value, r_refdef.view.forward, dest); - trace = CL_TraceLine(r_refdef.view.origin, dest, MOVE_NOMONSTERS, NULL, SUPERCONTENTS_SOLID, collision_extendmovelength.value, true, false, NULL, false, true); + trace = CL_TraceLine(r_refdef.view.origin, dest, MOVE_NOMONSTERS, NULL, SUPERCONTENTS_SOLID, SUPERCONTENTS_SKY, collision_extendmovelength.value, true, false, NULL, false, true); if (trace.fraction < 1) { dist = trace.fraction * r_editlights_cursordistance.value; @@ -7044,9 +7303,9 @@ void R_Shadow_EditLights_DrawSelectedLightProperties(void) // draw properties on screen if (!r_editlights_drawproperties.integer) return; - x = vid_conwidth.value - 240; + x = vid_conwidth.value - 320; y = 5; - DrawQ_Pic(x-5, y-5, NULL, 250, 155, 0, 0, 0, 0.75, 0); + DrawQ_Pic(x-5, y-5, NULL, 250, 243, 0, 0, 0, 0.75, 0); lightnumber = -1; lightcount = 0; range = Mem_ExpandableArray_IndexRange(&r_shadow_worldlightsarray); // checked @@ -7079,6 +7338,17 @@ void R_Shadow_EditLights_DrawSelectedLightProperties(void) dpsnprintf(temp, sizeof(temp), "Specular : %.2f\n", r_shadow_selectedlight->specularscale);DrawQ_String(x, y, temp, 0, 8, 8, 1, 1, 1, 1, 0, NULL, true, FONT_DEFAULT);y += 8; dpsnprintf(temp, sizeof(temp), "NormalMode : %s\n", (r_shadow_selectedlight->flags & LIGHTFLAG_NORMALMODE) ? "yes" : "no");DrawQ_String(x, y, temp, 0, 8, 8, 1, 1, 1, 1, 0, NULL, true, FONT_DEFAULT);y += 8; dpsnprintf(temp, sizeof(temp), "RealTimeMode : %s\n", (r_shadow_selectedlight->flags & LIGHTFLAG_REALTIMEMODE) ? "yes" : "no");DrawQ_String(x, y, temp, 0, 8, 8, 1, 1, 1, 1, 0, NULL, true, FONT_DEFAULT);y += 8; + y += 8; + dpsnprintf(temp, sizeof(temp), "Render stats\n"); DrawQ_String(x, y, temp, 0, 8, 8, 1, 1, 1, 1, 0, NULL, true, FONT_DEFAULT); y += 8; + dpsnprintf(temp, sizeof(temp), "Current color: %.3f %.3f %.3f\n", r_shadow_selectedlight->rtlight.currentcolor[0], r_shadow_selectedlight->rtlight.currentcolor[1], r_shadow_selectedlight->rtlight.currentcolor[2]); DrawQ_String(x, y, temp, 0, 8, 8, 1, 1, 1, 1, 0, NULL, true, FONT_DEFAULT); y += 8; + dpsnprintf(temp, sizeof(temp), "Shadow size : %ix%ix6\n", r_shadow_selectedlight->rtlight.shadowmapatlassidesize, r_shadow_selectedlight->rtlight.shadowmapatlassidesize); DrawQ_String(x, y, temp, 0, 8, 8, 1, 1, 1, 1, 0, NULL, true, FONT_DEFAULT); y += 8; + dpsnprintf(temp, sizeof(temp), "World surfs : %i\n", r_shadow_selectedlight->rtlight.cached_numsurfaces); DrawQ_String(x, y, temp, 0, 8, 8, 1, 1, 1, 1, 0, NULL, true, FONT_DEFAULT); y += 8; + dpsnprintf(temp, sizeof(temp), "Shadow ents : %i + %i noself\n", r_shadow_selectedlight->rtlight.cached_numshadowentities, r_shadow_selectedlight->rtlight.cached_numshadowentities_noselfshadow); DrawQ_String(x, y, temp, 0, 8, 8, 1, 1, 1, 1, 0, NULL, true, FONT_DEFAULT); y += 8; + dpsnprintf(temp, sizeof(temp), "Lit ents : %i + %i noself\n", r_shadow_selectedlight->rtlight.cached_numlightentities, r_shadow_selectedlight->rtlight.cached_numlightentities_noselfshadow); DrawQ_String(x, y, temp, 0, 8, 8, 1, 1, 1, 1, 0, NULL, true, FONT_DEFAULT); y += 8; + dpsnprintf(temp, sizeof(temp), "BG photons : %.3f\n", r_shadow_selectedlight->rtlight.bouncegrid_photons); DrawQ_String(x, y, temp, 0, 8, 8, 1, 1, 1, 1, 0, NULL, true, FONT_DEFAULT); y += 8; + dpsnprintf(temp, sizeof(temp), "BG radius : %.0f\n", r_shadow_selectedlight->rtlight.bouncegrid_effectiveradius); DrawQ_String(x, y, temp, 0, 8, 8, 1, 1, 1, 1, 0, NULL, true, FONT_DEFAULT); y += 8; + dpsnprintf(temp, sizeof(temp), "BG color : %.3f %.3f %.3f\n", r_shadow_selectedlight->rtlight.bouncegrid_photoncolor[0], r_shadow_selectedlight->rtlight.bouncegrid_photoncolor[1], r_shadow_selectedlight->rtlight.bouncegrid_photoncolor[2]); DrawQ_String(x, y, temp, 0, 8, 8, 1, 1, 1, 1, 0, NULL, true, FONT_DEFAULT); y += 8; + dpsnprintf(temp, sizeof(temp), "BG stats : %i traces %i hits\n", r_shadow_selectedlight->rtlight.bouncegrid_traces, r_shadow_selectedlight->rtlight.bouncegrid_hits); DrawQ_String(x, y, temp, 0, 8, 8, 1, 1, 1, 1, 0, NULL, true, FONT_DEFAULT); y += 8; } static void R_Shadow_EditLights_ToggleShadow_f(void) @@ -7352,7 +7622,7 @@ void R_LightPoint(float *color, const vec3_t p, const int flags) if (f <= 0) continue; // todo: add to both ambient and diffuse - if (!light->shadow || CL_TraceLine(p, light->shadoworigin, MOVE_NOMONSTERS, NULL, SUPERCONTENTS_SOLID, collision_extendmovelength.value, true, false, NULL, false, true).fraction == 1) + if (!light->shadow || CL_TraceLine(p, light->shadoworigin, MOVE_NOMONSTERS, NULL, SUPERCONTENTS_SOLID, SUPERCONTENTS_SKY, collision_extendmovelength.value, true, false, NULL, false, true).fraction == 1) VectorMA(color, f, light->currentcolor, color); } } @@ -7373,7 +7643,7 @@ void R_LightPoint(float *color, const vec3_t p, const int flags) if (f <= 0) continue; // todo: add to both ambient and diffuse - if (!light->shadow || CL_TraceLine(p, light->shadoworigin, MOVE_NOMONSTERS, NULL, SUPERCONTENTS_SOLID, collision_extendmovelength.value, true, false, NULL, false, true).fraction == 1) + if (!light->shadow || CL_TraceLine(p, light->shadoworigin, MOVE_NOMONSTERS, NULL, SUPERCONTENTS_SOLID, SUPERCONTENTS_SKY, collision_extendmovelength.value, true, false, NULL, false, true).fraction == 1) VectorMA(color, f, light->color, color); } } @@ -7457,7 +7727,7 @@ void R_CompleteLightPoint(vec3_t ambient, vec3_t diffuse, vec3_t lightdir, const intensity = min(1.0f, (1.0f - dist) * r_shadow_lightattenuationlinearscale.value / (r_shadow_lightattenuationdividebias.value + dist*dist)) * r_shadow_lightintensityscale.value; if (intensity <= 0.0f) continue; - if (light->shadow && CL_TraceLine(p, light->shadoworigin, MOVE_NOMONSTERS, NULL, SUPERCONTENTS_SOLID, collision_extendmovelength.value, true, false, NULL, false, true).fraction < 1) + if (light->shadow && CL_TraceLine(p, light->shadoworigin, MOVE_NOMONSTERS, NULL, SUPERCONTENTS_SOLID, SUPERCONTENTS_SKY, collision_extendmovelength.value, true, false, NULL, false, true).fraction < 1) continue; // scale down intensity to add to both ambient and diffuse //intensity *= 0.5f; @@ -7490,7 +7760,7 @@ void R_CompleteLightPoint(vec3_t ambient, vec3_t diffuse, vec3_t lightdir, const intensity = (1.0f - dist) * r_shadow_lightattenuationlinearscale.value / (r_shadow_lightattenuationdividebias.value + dist*dist) * r_shadow_lightintensityscale.value; if (intensity <= 0.0f) continue; - if (light->shadow && CL_TraceLine(p, light->shadoworigin, MOVE_NOMONSTERS, NULL, SUPERCONTENTS_SOLID, collision_extendmovelength.value, true, false, NULL, false, true).fraction < 1) + if (light->shadow && CL_TraceLine(p, light->shadoworigin, MOVE_NOMONSTERS, NULL, SUPERCONTENTS_SOLID, SUPERCONTENTS_SKY, collision_extendmovelength.value, true, false, NULL, false, true).fraction < 1) continue; // scale down intensity to add to both ambient and diffuse //intensity *= 0.5f;