rtexture_t *r_shadow_prepasslightingdiffusetexture;
rtexture_t *r_shadow_prepasslightingspeculartexture;
-// keep track of the provided framebuffer info
-static int r_shadow_fb_fbo;
-static rtexture_t *r_shadow_fb_depthtexture;
-static rtexture_t *r_shadow_fb_colortexture;
+int r_shadow_viewfbo;
+rtexture_t *r_shadow_viewdepthtexture;
+rtexture_t *r_shadow_viewcolortexture;
+int r_shadow_viewx;
+int r_shadow_viewy;
+int r_shadow_viewwidth;
+int r_shadow_viewheight;
// lights are reloaded when this changes
char r_shadow_mapname[MAX_QPATH];
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"};
-cvar_t r_shadow_shadowmapping_bordersize = {CVAR_SAVE, "r_shadow_shadowmapping_bordersize", "4", "shadowmap size bias for filtering"};
+cvar_t r_shadow_shadowmapping_bordersize = {CVAR_SAVE, "r_shadow_shadowmapping_bordersize", "5", "shadowmap size bias for filtering"};
cvar_t r_shadow_shadowmapping_nearclip = {CVAR_SAVE, "r_shadow_shadowmapping_nearclip", "1", "shadowmap nearclip in world units"};
cvar_t r_shadow_shadowmapping_bias = {CVAR_SAVE, "r_shadow_shadowmapping_bias", "0.03", "shadowmap bias parameter (this is multiplied by nearclip * 1024 / lodsize)"};
cvar_t r_shadow_shadowmapping_polygonfactor = {CVAR_SAVE, "r_shadow_shadowmapping_polygonfactor", "2", "slope-dependent shadowmapping bias"};
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", "make light bounds bigger by *(1.0+enlarge)"};
+cvar_t r_shadow_culllights_trace_expand = {CVAR_SAVE, "r_shadow_culllights_trace_expand", "8", "make light bounds bigger by this many units"};
+cvar_t r_shadow_culllights_trace_pad = {CVAR_SAVE, "r_shadow_culllights_trace_expand", "8", "accept traces that hit within this many units of the light bounds"};
+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"};
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"};
{
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)
{
// 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;
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;
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);
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_expand);
+ Cvar_RegisterVariable(&r_shadow_culllights_trace_pad);
+ 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);
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);
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++)
void R_Shadow_RenderMode_Reset(void)
{
R_Mesh_ResetTextureState();
- R_Mesh_SetRenderTargets(r_shadow_fb_fbo, r_shadow_fb_depthtexture, r_shadow_fb_colortexture, NULL, NULL, NULL);
+ R_Mesh_SetRenderTargets(r_shadow_viewfbo, r_shadow_viewdepthtexture, r_shadow_viewcolortexture, NULL, NULL, NULL);
R_SetViewport(&r_refdef.view.viewport);
GL_Scissor(r_shadow_lightscissor[0], r_shadow_lightscissor[1], r_shadow_lightscissor[2], r_shadow_lightscissor[3]);
GL_DepthRange(0, 1);
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;
{
// 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
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;
}
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;
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);
// 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
{
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;
}
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;
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)
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;
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_shadow_culllights_trace_expand.value, r_shadow_culllights_trace_pad.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;
}
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
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)
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;
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;
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++)
{
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;
}
}
}
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)
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)
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++)
{
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 skipmaterialflagsmask;
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;
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;
+ hitsupercontentsmask = SUPERCONTENTS_SOLID;// | SUPERCONTENTS_LIQUIDSMASK;
else
hitsupercontentsmask = SUPERCONTENTS_SOLID;// | SUPERCONTENTS_LIQUIDSMASK;
+ skipsupercontentsmask = 0;
+ skipmaterialflagsmask = MATERIALFLAGMASK_TRANSLUCENT;
maxbounce = settings.maxbounce;
for (lightindex = 0;lightindex < range2;lightindex++)
// 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, skipmaterialflagsmask, 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, skipmaterialflagsmask);
}
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)
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);
}
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);
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;
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();
// 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)
RSurf_DrawBatch();
}
-static void R_Shadow_RenderLighting_Light_GLSL(int texturenumsurfaces, const msurface_t **texturesurfacelist, const vec3_t lightcolor, float ambientscale, float diffusescale, float specularscale)
+static void R_Shadow_RenderLighting_Light_GLSL(int texturenumsurfaces, const msurface_t **texturesurfacelist, const float ambientcolor[3], const float diffusecolor[3], const float specularcolor[3])
{
// ARB2 GLSL shader path (GFFX5200, Radeon 9500)
- R_SetupShader_Surface(lightcolor, false, ambientscale, diffusescale, specularscale, RSURFPASS_RTLIGHT, texturenumsurfaces, texturesurfacelist, NULL, false);
+ R_SetupShader_Surface(ambientcolor, diffusecolor, specularcolor, RSURFPASS_RTLIGHT, texturenumsurfaces, texturesurfacelist, NULL, false);
RSurf_DrawBatch();
}
}
}
-static void R_Shadow_RenderLighting_Light_Vertex(int texturenumsurfaces, const msurface_t **texturesurfacelist, const vec3_t lightcolor, float ambientscale, float diffusescale)
+static void R_Shadow_RenderLighting_Light_Vertex(int texturenumsurfaces, const msurface_t **texturesurfacelist, const float ambientcolor[3], const float diffusecolor[3])
{
// OpenGL 1.1 path (anything)
float ambientcolorbase[3], diffusecolorbase[3];
float ambientcolorpants[3], diffusecolorpants[3];
float ambientcolorshirt[3], diffusecolorshirt[3];
- const float *surfacecolor = rsurface.texture->dlightcolor;
- const float *surfacepants = rsurface.colormap_pantscolor;
- const float *surfaceshirt = rsurface.colormap_shirtcolor;
+ const float *surfacepants = rsurface.texture->render_colormap_pants;
+ const float *surfaceshirt = rsurface.texture->render_colormap_shirt;
rtexture_t *basetexture = rsurface.texture->basetexture;
rtexture_t *pantstexture = rsurface.texture->pantstexture;
rtexture_t *shirttexture = rsurface.texture->shirttexture;
qboolean dopants = pantstexture && VectorLength2(surfacepants) >= (1.0f / 1048576.0f);
qboolean doshirt = shirttexture && VectorLength2(surfaceshirt) >= (1.0f / 1048576.0f);
- ambientscale *= 2 * r_refdef.view.colorscale;
- diffusescale *= 2 * r_refdef.view.colorscale;
- ambientcolorbase[0] = lightcolor[0] * ambientscale * surfacecolor[0];ambientcolorbase[1] = lightcolor[1] * ambientscale * surfacecolor[1];ambientcolorbase[2] = lightcolor[2] * ambientscale * surfacecolor[2];
- diffusecolorbase[0] = lightcolor[0] * diffusescale * surfacecolor[0];diffusecolorbase[1] = lightcolor[1] * diffusescale * surfacecolor[1];diffusecolorbase[2] = lightcolor[2] * diffusescale * surfacecolor[2];
+ VectorCopy(ambientcolor, ambientcolorbase);
+ VectorCopy(diffusecolor, diffusecolorbase);
ambientcolorpants[0] = ambientcolorbase[0] * surfacepants[0];ambientcolorpants[1] = ambientcolorbase[1] * surfacepants[1];ambientcolorpants[2] = ambientcolorbase[2] * surfacepants[2];
diffusecolorpants[0] = diffusecolorbase[0] * surfacepants[0];diffusecolorpants[1] = diffusecolorbase[1] * surfacepants[1];diffusecolorpants[2] = diffusecolorbase[2] * surfacepants[2];
ambientcolorshirt[0] = ambientcolorbase[0] * surfaceshirt[0];ambientcolorshirt[1] = ambientcolorbase[1] * surfaceshirt[1];ambientcolorshirt[2] = ambientcolorbase[2] * surfaceshirt[2];
diffusecolorshirt[0] = diffusecolorbase[0] * surfaceshirt[0];diffusecolorshirt[1] = diffusecolorbase[1] * surfaceshirt[1];diffusecolorshirt[2] = diffusecolorbase[2] * surfaceshirt[2];
- RSurf_PrepareVerticesForBatch(BATCHNEED_ARRAY_VERTEX | (diffusescale > 0 ? BATCHNEED_ARRAY_NORMAL : 0) | BATCHNEED_ARRAY_TEXCOORD | BATCHNEED_NOGAPS, texturenumsurfaces, texturesurfacelist);
+ RSurf_PrepareVerticesForBatch(BATCHNEED_ARRAY_VERTEX | (VectorLength2(diffusecolor) > 0 ? BATCHNEED_ARRAY_NORMAL : 0) | BATCHNEED_ARRAY_TEXCOORD | BATCHNEED_NOGAPS, texturenumsurfaces, texturesurfacelist);
rsurface.passcolor4f = (float *)R_FrameData_Alloc((rsurface.batchfirstvertex + rsurface.batchnumvertices) * sizeof(float[4]));
R_Mesh_VertexPointer(3, GL_FLOAT, sizeof(float[3]), rsurface.batchvertex3f, rsurface.batchvertex3f_vertexbuffer, rsurface.batchvertex3f_bufferoffset);
R_Mesh_ColorPointer(4, GL_FLOAT, sizeof(float[4]), rsurface.passcolor4f, 0, 0);
extern cvar_t gl_lightmaps;
void R_Shadow_RenderLighting(int texturenumsurfaces, const msurface_t **texturesurfacelist)
{
- float ambientscale, diffusescale, specularscale;
qboolean negated;
- float lightcolor[3];
- VectorCopy(rsurface.rtlight->currentcolor, lightcolor);
- ambientscale = rsurface.rtlight->ambientscale + rsurface.texture->rtlightambient;
- diffusescale = rsurface.rtlight->diffusescale * max(0, 1.0 - rsurface.texture->rtlightambient);
- specularscale = rsurface.rtlight->specularscale * rsurface.texture->specularscale;
+ float ambientcolor[3], diffusecolor[3], specularcolor[3];
+ VectorM(rsurface.rtlight->ambientscale + rsurface.texture->rtlightambient, rsurface.texture->render_rtlight_diffuse, ambientcolor);
+ VectorM(rsurface.rtlight->diffusescale * max(0, 1.0 - rsurface.texture->rtlightambient), rsurface.texture->render_rtlight_diffuse, diffusecolor);
+ VectorM(rsurface.rtlight->specularscale, rsurface.texture->render_rtlight_specular, specularcolor);
if (!r_shadow_usenormalmap.integer)
{
- ambientscale += 1.0f * diffusescale;
- diffusescale = 0;
- specularscale = 0;
+ VectorMAM(1.0f, ambientcolor, 1.0f, diffusecolor, ambientcolor);
+ VectorClear(diffusecolor);
+ VectorClear(specularcolor);
}
- if ((ambientscale + diffusescale) * VectorLength2(lightcolor) + specularscale * VectorLength2(lightcolor) < (1.0f / 1048576.0f))
+ VectorMultiply(ambientcolor, rsurface.rtlight->currentcolor, ambientcolor);
+ VectorMultiply(diffusecolor, rsurface.rtlight->currentcolor, diffusecolor);
+ VectorMultiply(specularcolor, rsurface.rtlight->currentcolor, specularcolor);
+ if (VectorLength2(ambientcolor) + VectorLength2(diffusecolor) + VectorLength2(specularcolor) < (1.0f / 1048576.0f))
return;
- negated = (lightcolor[0] + lightcolor[1] + lightcolor[2] < 0) && vid.support.ext_blend_subtract;
+ negated = (rsurface.rtlight->currentcolor[0] + rsurface.rtlight->currentcolor[1] + rsurface.rtlight->currentcolor[2] < 0) && vid.support.ext_blend_subtract;
if(negated)
{
- VectorNegate(lightcolor, lightcolor);
+ VectorNegate(ambientcolor, ambientcolor);
+ VectorNegate(diffusecolor, diffusecolor);
+ VectorNegate(specularcolor, specularcolor);
GL_BlendEquationSubtract(true);
}
RSurf_SetupDepthAndCulling();
R_Shadow_RenderLighting_VisibleLighting(texturenumsurfaces, texturesurfacelist);
break;
case R_SHADOW_RENDERMODE_LIGHT_GLSL:
- R_Shadow_RenderLighting_Light_GLSL(texturenumsurfaces, texturesurfacelist, lightcolor, ambientscale, diffusescale, specularscale);
+ R_Shadow_RenderLighting_Light_GLSL(texturenumsurfaces, texturesurfacelist, ambientcolor, diffusecolor, specularcolor);
break;
case R_SHADOW_RENDERMODE_LIGHT_VERTEX3DATTEN:
case R_SHADOW_RENDERMODE_LIGHT_VERTEX2D1DATTEN:
case R_SHADOW_RENDERMODE_LIGHT_VERTEX2DATTEN:
case R_SHADOW_RENDERMODE_LIGHT_VERTEX:
- R_Shadow_RenderLighting_Light_Vertex(texturenumsurfaces, texturesurfacelist, lightcolor, ambientscale, diffusescale);
+ R_Shadow_RenderLighting_Light_Vertex(texturenumsurfaces, texturesurfacelist, ambientcolor, diffusecolor);
break;
default:
Con_Printf("R_Shadow_RenderLighting: unknown r_shadow_rendermode %i\n", r_shadow_rendermode);
// 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;
{
shadowmesh_t *mesh;
- RSurf_ActiveWorldEntity();
+ RSurf_ActiveModelEntity(r_refdef.scene.worldentity, false, false, false);
if (rsurface.rtlight->compiled && r_shadow_realtime_world_compile.integer && r_shadow_realtime_world_compileshadow.integer)
{
else if (r_refdef.scene.worldentity->model)
r_refdef.scene.worldmodel->DrawShadowMap(r_shadow_shadowmapside, r_refdef.scene.worldentity, rsurface.rtlight->shadoworigin, NULL, rsurface.rtlight->radius, numsurfaces, surfacelist, surfacesides, rsurface.rtlight->cached_cullmins, rsurface.rtlight->cached_cullmaxs);
- rsurface.entity = NULL; // used only by R_GetCurrentTexture and RSurf_ActiveWorldEntity/RSurf_ActiveModelEntity
+ rsurface.entity = NULL; // used only by R_GetCurrentTexture and RSurf_ActiveModelEntity
}
static void R_Shadow_DrawWorldShadow_ShadowVolume(int numsurfaces, int *surfacelist, const unsigned char *trispvs)
if (r_refdef.scene.worldmodel->brush.shadowmesh ? !r_refdef.scene.worldmodel->brush.shadowmesh->neighbor3i : !r_refdef.scene.worldmodel->surfmesh.data_neighbor3i)
return;
- RSurf_ActiveWorldEntity();
+ RSurf_ActiveModelEntity(r_refdef.scene.worldentity, false, false, false);
if (rsurface.rtlight->compiled && r_shadow_realtime_world_compile.integer && r_shadow_realtime_world_compileshadow.integer)
{
r_refdef.scene.worldmodel->DrawShadowVolume(r_refdef.scene.worldentity, rsurface.rtlight->shadoworigin, NULL, rsurface.rtlight->radius, numsurfaces, surfacelist, rsurface.rtlight->cached_cullmins, rsurface.rtlight->cached_cullmaxs);
}
- rsurface.entity = NULL; // used only by R_GetCurrentTexture and RSurf_ActiveWorldEntity/RSurf_ActiveModelEntity
+ rsurface.entity = NULL; // used only by R_GetCurrentTexture and RSurf_ActiveModelEntity
}
static void R_Shadow_DrawEntityShadow(entity_render_t *ent)
ent->model->DrawShadowVolume(ent, relativeshadoworigin, NULL, relativeshadowradius, ent->model->nummodelsurfaces, ent->model->sortedmodelsurfaces, relativeshadowmins, relativeshadowmaxs);
break;
}
- rsurface.entity = NULL; // used only by R_GetCurrentTexture and RSurf_ActiveWorldEntity/RSurf_ActiveModelEntity
+ rsurface.entity = NULL; // used only by R_GetCurrentTexture and RSurf_ActiveModelEntity
}
void R_Shadow_SetupEntityLight(const entity_render_t *ent)
return;
// set up properties for rendering light onto this entity
- RSurf_ActiveWorldEntity();
+ RSurf_ActiveModelEntity(r_refdef.scene.worldentity, false, false, false);
rsurface.entitytolight = rsurface.rtlight->matrix_worldtolight;
Matrix4x4_Concat(&rsurface.entitytoattenuationxyz, &matrix_attenuationxyz, &rsurface.entitytolight);
Matrix4x4_Concat(&rsurface.entitytoattenuationz, &matrix_attenuationz, &rsurface.entitytolight);
r_refdef.scene.worldmodel->DrawLight(r_refdef.scene.worldentity, numsurfaces, surfacelist, lighttrispvs);
- rsurface.entity = NULL; // used only by R_GetCurrentTexture and RSurf_ActiveWorldEntity/RSurf_ActiveModelEntity
+ rsurface.entity = NULL; // used only by R_GetCurrentTexture and RSurf_ActiveModelEntity
}
static void R_Shadow_DrawEntityLight(entity_render_t *ent)
model->DrawLight(ent, model->nummodelsurfaces, model->sortedmodelsurfaces, NULL);
- rsurface.entity = NULL; // used only by R_GetCurrentTexture and RSurf_ActiveWorldEntity/RSurf_ActiveModelEntity
+ rsurface.entity = NULL; // used only by R_GetCurrentTexture and RSurf_ActiveModelEntity
}
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;
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_shadow_culllights_trace_expand.value, r_shadow_culllights_trace_pad.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);
{
// 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;
#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)
{
+ 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 *));
}
}
void R_Shadow_DrawLightSprites(void);
-void R_Shadow_PrepareLights(int fbo, rtexture_t *depthtexture, rtexture_t *colortexture)
+void R_Shadow_PrepareLights(void)
{
int flag;
int lnum;
r_shadow_shadowmapdepthtexture != r_fb.usedepthtextures)
R_Shadow_FreeShadowMaps();
- r_shadow_fb_fbo = fbo;
- r_shadow_fb_depthtexture = depthtexture;
- r_shadow_fb_colortexture = colortexture;
-
r_shadow_usingshadowmaportho = false;
switch (vid.renderpath)
r_shadow_nummodelshadows = 0;
r_shadow_shadowmapatlas_modelshadows_size = 0;
- if (!r_refdef.scene.numentities || r_refdef.lightmapintensity <= 0.0f || r_shadows.integer <= 0)
+ if (!r_refdef.scene.numentities || r_refdef.scene.lightmapintensity <= 0.0f || r_shadows.integer <= 0)
return;
switch (r_shadow_shadowmode)
return;
}
- size = 2 * r_shadow_shadowmapmaxsize;
+ size = r_shadow_shadowmaptexturesize / 4;
scale = r_shadow_shadowmapping_precision.value * r_shadows_shadowmapscale.value;
radius = 0.5f * size / scale;
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);
relativeshadowmaxs[2] = relativelightorigin[2] + r_shadows_throwdistance.value * fabs(relativelightdirection[2]) + radius * (fabs(relativeforward[2]) + fabs(relativeright[2]));
RSurf_ActiveModelEntity(ent, false, false, false);
ent->model->DrawShadowMap(0, ent, relativelightorigin, relativelightdirection, relativethrowdistance, ent->model->nummodelsurfaces, ent->model->sortedmodelsurfaces, NULL, relativeshadowmins, relativeshadowmaxs);
- rsurface.entity = NULL; // used only by R_GetCurrentTexture and RSurf_ActiveWorldEntity/RSurf_ActiveModelEntity
+ rsurface.entity = NULL; // used only by R_GetCurrentTexture and RSurf_ActiveModelEntity
}
#if 0
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);
if (!r_shadow_nummodelshadows || (r_shadow_shadowmode != R_SHADOW_SHADOWMODE_STENCIL && r_shadows.integer != 1))
return;
- R_ResetViewRendering3D(r_shadow_fb_fbo, r_shadow_fb_depthtexture, r_shadow_fb_colortexture);
+ R_ResetViewRendering3D(r_shadow_viewfbo, r_shadow_viewdepthtexture, r_shadow_viewcolortexture, r_shadow_viewx, r_shadow_viewy, r_shadow_viewwidth, r_shadow_viewheight);
//GL_Scissor(r_refdef.view.viewport.x, r_refdef.view.viewport.y, r_refdef.view.viewport.width, r_refdef.view.viewport.height);
//GL_Scissor(r_refdef.view.x, vid.height - r_refdef.view.height - r_refdef.view.y, r_refdef.view.width, r_refdef.view.height);
R_Shadow_RenderMode_Begin();
R_Shadow_RenderMode_ActiveLight(NULL);
- r_shadow_lightscissor[0] = r_refdef.view.x;
- r_shadow_lightscissor[1] = vid.height - r_refdef.view.y - r_refdef.view.height;
- r_shadow_lightscissor[2] = r_refdef.view.width;
- r_shadow_lightscissor[3] = r_refdef.view.height;
+ r_shadow_lightscissor[0] = r_shadow_viewx;
+ r_shadow_lightscissor[1] = (r_shadow_viewfbo ? r_shadow_viewheight : vid.height) - r_shadow_viewy - r_shadow_viewheight;
+ r_shadow_lightscissor[2] = r_shadow_viewwidth;
+ r_shadow_lightscissor[3] = r_shadow_viewheight;
R_Shadow_RenderMode_StencilShadowVolumes(false);
// get shadow dir
Matrix4x4_Transform3x3(&ent->inversematrix, shadowdir, relativelightdirection);
else
{
- if(ent->entitynumber != 0)
- {
- if(ent->entitynumber >= MAX_EDICTS) // csqc entity
- {
- // FIXME handle this
- VectorNegate(ent->modellight_lightdir, relativelightdirection);
- }
- else
- {
- // networked entity - might be attached in some way (then we should use the parent's light direction, to not tear apart attached entities)
- int entnum, entnum2, recursion;
- entnum = entnum2 = ent->entitynumber;
- for(recursion = 32; recursion > 0; --recursion)
- {
- entnum2 = cl.entities[entnum].state_current.tagentity;
- if(entnum2 >= 1 && entnum2 < cl.num_entities && cl.entities_active[entnum2])
- entnum = entnum2;
- else
- break;
- }
- if(recursion && recursion != 32) // if we followed a valid non-empty attachment chain
- {
- VectorNegate(cl.entities[entnum].render.modellight_lightdir, relativelightdirection);
- // transform into modelspace of OUR entity
- Matrix4x4_Transform3x3(&cl.entities[entnum].render.matrix, relativelightdirection, tmp);
- Matrix4x4_Transform3x3(&ent->inversematrix, tmp, relativelightdirection);
- }
- else
- VectorNegate(ent->modellight_lightdir, relativelightdirection);
- }
- }
- else
- VectorNegate(ent->modellight_lightdir, relativelightdirection);
+ VectorNegate(ent->render_modellight_lightdir, tmp);
+ Matrix4x4_Transform3x3(&ent->inversematrix, tmp, relativelightdirection);
}
VectorScale(relativelightdirection, -relativethrowdistance, relativelightorigin);
RSurf_ActiveModelEntity(ent, false, false, false);
ent->model->DrawShadowVolume(ent, relativelightorigin, relativelightdirection, relativethrowdistance, ent->model->nummodelsurfaces, ent->model->sortedmodelsurfaces, relativeshadowmins, relativeshadowmaxs);
- rsurface.entity = NULL; // used only by R_GetCurrentTexture and RSurf_ActiveWorldEntity/RSurf_ActiveModelEntity
+ rsurface.entity = NULL; // used only by R_GetCurrentTexture and RSurf_ActiveModelEntity
}
// not really the right mode, but this will disable any silly stencil features
//GL_ScissorTest(true);
//R_EntityMatrix(&identitymatrix);
//R_Mesh_ResetTextureState();
- R_ResetViewRendering2D(r_shadow_fb_fbo, r_shadow_fb_depthtexture, r_shadow_fb_colortexture);
+ R_ResetViewRendering2D(r_shadow_viewfbo, r_shadow_viewdepthtexture, r_shadow_viewcolortexture, r_shadow_viewx, r_shadow_viewy, r_shadow_viewwidth, r_shadow_viewheight);
// set up a darkening blend on shadowed areas
GL_BlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
{
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)))
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;
}
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_Cache_TraceLineSurfaces(r_refdef.view.origin, rtlight->shadoworigin, MOVE_NORMAL, SUPERCONTENTS_SOLID, 0, MATERIALFLAGMASK_TRANSLUCENT).fraction < 1)
return;
}
VectorScale(rtlight->currentcolor, cscale, color);
qglGenQueriesARB(r_maxqueries - i, r_queries + i);
CHECKGLERROR
}
- RSurf_ActiveWorldEntity();
+ RSurf_ActiveModelEntity(r_refdef.scene.worldentity, false, false, false);
GL_BlendFunc(GL_ONE, GL_ZERO);
GL_CullFace(GL_NONE);
GL_DepthMask(false);
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_NORMAL, NULL, SUPERCONTENTS_SOLID, 0, MATERIALFLAGMASK_TRANSLUCENT, collision_extendmovelength.value, true, false, NULL, false, true).fraction == 1.0f)
{
bestrating = rating;
best = light;
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_NORMAL, NULL, SUPERCONTENTS_SOLID, 0, MATERIALFLAGMASK_TRANSLUCENT, collision_extendmovelength.value, true, false, NULL, false, true);
if (trace.fraction < 1)
{
dist = trace.fraction * r_editlights_cursordistance.value;
// 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
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)
=============================================================================
*/
-void R_LightPoint(float *color, const vec3_t p, const int flags)
+void R_CompleteLightPoint(float *ambient, float *diffuse, float *lightdir, const vec3_t p, const int flags, float lightmapintensity, float ambientintensity)
{
- int i, numlights, flag;
- float f, relativepoint[3], dist, dist2, lightradius2;
- vec3_t diffuse, n;
- rtlight_t *light;
- dlight_t *dlight;
-
- if (r_fullbright.integer)
- {
- VectorSet(color, 1, 1, 1);
- return;
- }
-
- VectorClear(color);
-
- if (flags & LP_LIGHTMAP)
- {
- if (!r_fullbright.integer && r_refdef.scene.worldmodel && r_refdef.scene.worldmodel->lit && r_refdef.scene.worldmodel->brush.LightPoint)
- {
- VectorClear(diffuse);
- r_refdef.scene.worldmodel->brush.LightPoint(r_refdef.scene.worldmodel, p, color, diffuse, n);
- VectorAdd(color, diffuse, color);
- }
- else
- VectorSet(color, 1, 1, 1);
- color[0] += r_refdef.scene.ambient;
- color[1] += r_refdef.scene.ambient;
- color[2] += r_refdef.scene.ambient;
- }
-
- if (flags & LP_RTWORLD)
- {
- flag = r_refdef.scene.rtworld ? LIGHTFLAG_REALTIMEMODE : LIGHTFLAG_NORMALMODE;
- numlights = (int)Mem_ExpandableArray_IndexRange(&r_shadow_worldlightsarray);
- for (i = 0; i < numlights; i++)
- {
- dlight = (dlight_t *) Mem_ExpandableArray_RecordAtIndex(&r_shadow_worldlightsarray, i);
- if (!dlight)
- continue;
- light = &dlight->rtlight;
- if (!(light->flags & flag))
- continue;
- // sample
- lightradius2 = light->radius * light->radius;
- VectorSubtract(light->shadoworigin, p, relativepoint);
- dist2 = VectorLength2(relativepoint);
- if (dist2 >= lightradius2)
- continue;
- dist = sqrt(dist2) / light->radius;
- f = dist < 1 ? (r_shadow_lightintensityscale.value * ((1.0f - dist) * r_shadow_lightattenuationlinearscale.value / (r_shadow_lightattenuationdividebias.value + dist*dist))) : 0;
- 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)
- VectorMA(color, f, light->currentcolor, color);
- }
- }
- if (flags & LP_DYNLIGHT)
- {
- // sample dlights
- for (i = 0;i < r_refdef.scene.numlights;i++)
- {
- light = r_refdef.scene.lights[i];
- // sample
- lightradius2 = light->radius * light->radius;
- VectorSubtract(light->shadoworigin, p, relativepoint);
- dist2 = VectorLength2(relativepoint);
- if (dist2 >= lightradius2)
- continue;
- dist = sqrt(dist2) / light->radius;
- f = dist < 1 ? (r_shadow_lightintensityscale.value * ((1.0f - dist) * r_shadow_lightattenuationlinearscale.value / (r_shadow_lightattenuationdividebias.value + dist*dist))) : 0;
- 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)
- VectorMA(color, f, light->color, color);
- }
- }
-}
-
-void R_CompleteLightPoint(vec3_t ambient, vec3_t diffuse, vec3_t lightdir, const vec3_t p, const int flags)
-{
- int i, numlights, flag;
+ int i, numlights, flag, q;
rtlight_t *light;
dlight_t *dlight;
float relativepoint[3];
float color[3];
- float dir[3];
float dist;
float dist2;
float intensity;
- float sample[5*3];
+ float sa[3], sx[3], sy[3], sz[3], sd[3];
float lightradius2;
- if (r_fullbright.integer)
- {
- VectorSet(ambient, 1, 1, 1);
- VectorClear(diffuse);
- VectorClear(lightdir);
- return;
- }
+ // use first order spherical harmonics to combine directional lights
+ for (q = 0; q < 3; q++)
+ sa[q] = sx[q] = sy[q] = sz[q] = sd[q] = 0;
- if (flags == LP_LIGHTMAP)
+ if (flags & LP_LIGHTMAP)
{
- VectorSet(ambient, r_refdef.scene.ambient, r_refdef.scene.ambient, r_refdef.scene.ambient);
- VectorClear(diffuse);
- VectorClear(lightdir);
if (r_refdef.scene.worldmodel && r_refdef.scene.worldmodel->lit && r_refdef.scene.worldmodel->brush.LightPoint)
- r_refdef.scene.worldmodel->brush.LightPoint(r_refdef.scene.worldmodel, p, ambient, diffuse, lightdir);
+ {
+ float tempambient[3];
+ for (q = 0; q < 3; q++)
+ tempambient[q] = color[q] = relativepoint[q] = 0;
+ r_refdef.scene.worldmodel->brush.LightPoint(r_refdef.scene.worldmodel, p, tempambient, color, relativepoint);
+ // calculate a weighted average light direction as well
+ intensity = VectorLength(color);
+ for (q = 0; q < 3; q++)
+ {
+ sa[q] += (0.5f * color[q] + tempambient[q]) * lightmapintensity;
+ sx[q] += (relativepoint[0] * color[q]) * lightmapintensity;
+ sy[q] += (relativepoint[1] * color[q]) * lightmapintensity;
+ sz[q] += (relativepoint[2] * color[q]) * lightmapintensity;
+ sd[q] += (intensity * relativepoint[q]) * lightmapintensity;
+ }
+ }
else
- VectorSet(ambient, 1, 1, 1);
- return;
- }
-
- memset(sample, 0, sizeof(sample));
- VectorSet(sample, r_refdef.scene.ambient, r_refdef.scene.ambient, r_refdef.scene.ambient);
-
- if ((flags & LP_LIGHTMAP) && r_refdef.scene.worldmodel && r_refdef.scene.worldmodel->lit && r_refdef.scene.worldmodel->brush.LightPoint)
- {
- vec3_t tempambient;
- VectorClear(tempambient);
- VectorClear(color);
- VectorClear(relativepoint);
- r_refdef.scene.worldmodel->brush.LightPoint(r_refdef.scene.worldmodel, p, tempambient, color, relativepoint);
- VectorScale(tempambient, r_refdef.lightmapintensity, tempambient);
- VectorScale(color, r_refdef.lightmapintensity, color);
- VectorAdd(sample, tempambient, sample);
- VectorMA(sample , 0.5f , color, sample );
- VectorMA(sample + 3, relativepoint[0], color, sample + 3);
- VectorMA(sample + 6, relativepoint[1], color, sample + 6);
- VectorMA(sample + 9, relativepoint[2], color, sample + 9);
- // calculate a weighted average light direction as well
- intensity = VectorLength(color);
- VectorMA(sample + 12, intensity, relativepoint, sample + 12);
+ {
+ // unlit map - fullbright but scaled by lightmapintensity
+ for (q = 0; q < 3; q++)
+ sa[q] += lightmapintensity;
+ }
}
if (flags & LP_RTWORLD)
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, 0, MATERIALFLAGMASK_TRANSLUCENT, collision_extendmovelength.value, true, false, NULL, false, true).fraction < 1)
continue;
- // scale down intensity to add to both ambient and diffuse
- //intensity *= 0.5f;
+ for (q = 0; q < 3; q++)
+ color[q] = light->currentcolor[q] * intensity;
+ intensity = VectorLength(color);
VectorNormalize(relativepoint);
- VectorScale(light->currentcolor, intensity, color);
- VectorMA(sample , 0.5f , color, sample );
- VectorMA(sample + 3, relativepoint[0], color, sample + 3);
- VectorMA(sample + 6, relativepoint[1], color, sample + 6);
- VectorMA(sample + 9, relativepoint[2], color, sample + 9);
- // calculate a weighted average light direction as well
- intensity *= VectorLength(color);
- VectorMA(sample + 12, intensity, relativepoint, sample + 12);
+ for (q = 0; q < 3; q++)
+ {
+ sa[q] += 0.5f * color[q];
+ sx[q] += relativepoint[0] * color[q];
+ sy[q] += relativepoint[1] * color[q];
+ sz[q] += relativepoint[2] * color[q];
+ sd[q] += intensity * relativepoint[q];
+ }
}
// FIXME: sample bouncegrid too!
}
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, 0, MATERIALFLAGMASK_TRANSLUCENT, collision_extendmovelength.value, true, false, NULL, false, true).fraction < 1)
continue;
- // scale down intensity to add to both ambient and diffuse
- //intensity *= 0.5f;
+ for (q = 0; q < 3; q++)
+ color[q] = light->currentcolor[q] * intensity;
+ intensity = VectorLength(color);
VectorNormalize(relativepoint);
- VectorScale(light->currentcolor, intensity, color);
- VectorMA(sample , 0.5f , color, sample );
- VectorMA(sample + 3, relativepoint[0], color, sample + 3);
- VectorMA(sample + 6, relativepoint[1], color, sample + 6);
- VectorMA(sample + 9, relativepoint[2], color, sample + 9);
- // calculate a weighted average light direction as well
- intensity *= VectorLength(color);
- VectorMA(sample + 12, intensity, relativepoint, sample + 12);
+ for (q = 0; q < 3; q++)
+ {
+ sa[q] += 0.5f * color[q];
+ sx[q] += relativepoint[0] * color[q];
+ sy[q] += relativepoint[1] * color[q];
+ sz[q] += relativepoint[2] * color[q];
+ sd[q] += intensity * relativepoint[q];
+ }
}
}
- // calculate the direction we'll use to reduce the sample to a directional light source
- VectorCopy(sample + 12, dir);
- //VectorSet(dir, sample[3] + sample[4] + sample[5], sample[6] + sample[7] + sample[8], sample[9] + sample[10] + sample[11]);
- VectorNormalize(dir);
- // extract the diffuse color along the chosen direction and scale it
- diffuse[0] = (dir[0]*sample[3] + dir[1]*sample[6] + dir[2]*sample[ 9] + sample[ 0]);
- diffuse[1] = (dir[0]*sample[4] + dir[1]*sample[7] + dir[2]*sample[10] + sample[ 1]);
- diffuse[2] = (dir[0]*sample[5] + dir[1]*sample[8] + dir[2]*sample[11] + sample[ 2]);
- // subtract some of diffuse from ambient
- VectorMA(sample, -0.333f, diffuse, ambient);
- // store the normalized lightdir
- VectorCopy(dir, lightdir);
+ // calculate the weighted-average light direction (bentnormal)
+ for (q = 0; q < 3; q++)
+ lightdir[q] = sd[q];
+ VectorNormalize(lightdir);
+ for (q = 0; q < 3; q++)
+ {
+ // extract the diffuse color along the chosen direction and scale it
+ diffuse[q] = (lightdir[0] * sx[q] + lightdir[1] * sy[q] + lightdir[2] * sz[q]);
+ // subtract some of diffuse from ambient
+ ambient[q] = sa[q] + -0.333f * diffuse[q] + ambientintensity;
+ }
}
projects / xonotic / darkplaces.git / blobdiff