X-Git-Url: http://git.xonotic.org/?p=xonotic%2Fdarkplaces.git;a=blobdiff_plain;f=r_shadow.c;h=bbdf84032478c5414f60aa3cfe7df5bb47d16761;hp=73dc15373c9c0aa8e33f993d9841084e055fdf83;hb=9855b6cf603522523529940c9df8827e7d0c2f91;hpb=f575e5ad7f9eab64e89b714e75ff5dd92e49f373 diff --git a/r_shadow.c b/r_shadow.c index 73dc1537..bbdf8403 100644 --- a/r_shadow.c +++ b/r_shadow.c @@ -273,7 +273,7 @@ cvar_t r_shadow_bumpscale_basetexture = {0, "r_shadow_bumpscale_basetexture", "0 cvar_t r_shadow_bumpscale_bumpmap = {0, "r_shadow_bumpscale_bumpmap", "4", "what magnitude to interpret _bump.tga textures as, higher values increase depth, requires r_restart to take effect"}; cvar_t r_shadow_debuglight = {0, "r_shadow_debuglight", "-1", "renders only one light, for level design purposes or debugging"}; cvar_t r_shadow_deferred = {CVAR_SAVE, "r_shadow_deferred", "0", "uses image-based lighting instead of geometry-based lighting, the method used renders a depth image and a normalmap image, renders lights into separate diffuse and specular images, and then combines this into the normal rendering, requires r_shadow_shadowmapping"}; -cvar_t r_shadow_deferred_8bitrange = {CVAR_SAVE, "r_shadow_deferred_8bitrange", "2", "dynamic range of image-based lighting when using 32bit color (does not apply to fp)"}; +cvar_t r_shadow_deferred_8bitrange = {CVAR_SAVE, "r_shadow_deferred_8bitrange", "4", "dynamic range of image-based lighting when using 32bit color (does not apply to fp)"}; //cvar_t r_shadow_deferred_fp = {CVAR_SAVE, "r_shadow_deferred_fp", "0", "use 16bit (1) or 32bit (2) floating point for accumulation of image-based lighting"}; cvar_t r_shadow_usebihculling = {0, "r_shadow_usebihculling", "1", "use BIH (Bounding Interval Hierarchy) for culling lit surfaces instead of BSP (Binary Space Partitioning)"}; cvar_t r_shadow_usenormalmap = {CVAR_SAVE, "r_shadow_usenormalmap", "1", "enables use of directional shading on lights"}; @@ -301,7 +301,7 @@ cvar_t r_shadow_realtime_world_compileshadow = {0, "r_shadow_realtime_world_comp cvar_t r_shadow_realtime_world_compilesvbsp = {0, "r_shadow_realtime_world_compilesvbsp", "1", "enables svbsp optimization during compilation (slower than compileportalculling but more exact)"}; cvar_t r_shadow_realtime_world_compileportalculling = {0, "r_shadow_realtime_world_compileportalculling", "1", "enables portal-based culling optimization during compilation (overrides compilesvbsp)"}; cvar_t r_shadow_scissor = {0, "r_shadow_scissor", "1", "use scissor optimization of light rendering (restricts rendering to the portion of the screen affected by the light)"}; -cvar_t r_shadow_shadowmapping = {CVAR_SAVE, "r_shadow_shadowmapping", "0", "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, requires gl_fbo 1"}; 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_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"}; @@ -319,28 +319,23 @@ cvar_t r_shadow_sortsurfaces = {0, "r_shadow_sortsurfaces", "1", "improve perfor cvar_t r_shadow_polygonfactor = {0, "r_shadow_polygonfactor", "0", "how much to enlarge shadow volume polygons when rendering (should be 0!)"}; cvar_t r_shadow_polygonoffset = {0, "r_shadow_polygonoffset", "1", "how much to push shadow volumes into the distance when rendering, to reduce chances of zfighting artifacts (should not be less than 0)"}; cvar_t r_shadow_texture3d = {0, "r_shadow_texture3d", "1", "use 3D voxel textures for spherical attenuation rather than cylindrical (does not affect OpenGL 2.0 render path)"}; -cvar_t r_shadow_particletrace = {CVAR_SAVE, "r_shadow_particletrace", "0", "perform particle tracing for indirect lighting (Global Illumination / radiosity), requires r_shadow_deferred 1, requires r_shadow_realtime_world 1, EXTREMELY SLOW"}; -cvar_t r_shadow_particletrace_intensity = {CVAR_SAVE, "r_shadow_particletrace_intensity", "128", "overall brightness of particle traced radiosity"}; -cvar_t r_shadow_particletrace_size = {CVAR_SAVE, "r_shadow_particletrace_size", "32", "particles produce bounce lights of this radius"}; -cvar_t r_shadow_particletrace_radiusscale = {CVAR_SAVE, "r_shadow_particletrace_radiusscale", "1", "particles stop at this fraction of light radius"}; -cvar_t r_shadow_particletrace_maxbounce = {CVAR_SAVE, "r_shadow_particletrace_maxbounce", "1", "maximum number of bounces for a particle (minimum is 1)"}; -cvar_t r_shadow_particletrace_bounceintensity = {CVAR_SAVE, "r_shadow_particletrace_bounceintensity", "1", "amount of energy carried over after each bounce"}; -cvar_t r_shadow_particletrace_particlespacing = {CVAR_SAVE, "r_shadow_particletrace_particlespacing", "0.25", "overlap setting in terms of particle size, this affects how many particles are used"}; -cvar_t r_shadow_particletrace_updatepercentage = {CVAR_SAVE, "r_shadow_particletrace_updatepercentage", "0.01", "update this fraction of the particles of a light each frame (0 = best performance)"}; -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, requires r_shadow_realtime_world 1"}; +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_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_directionalshading = {CVAR_SAVE, "r_shadow_bouncegrid_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_dlightparticlemultiplier = {CVAR_SAVE, "r_shadow_bouncegrid_dlightparticlemultiplier", "0", "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_hitmodels = {CVAR_SAVE, "r_shadow_bouncegrid_hitmodels", "0", "enables hitting character model geometry (SLOW)"}; -cvar_t r_shadow_bouncegrid_intensity = {CVAR_SAVE, "r_shadow_bouncegrid_intensity", "1", "overall brightness of bouncegrid texture"}; -cvar_t r_shadow_bouncegrid_lightradiusscale = {CVAR_SAVE, "r_shadow_bouncegrid_lightradiusscale", "2", "particles stop at this fraction of light radius (can be more than 1)"}; -cvar_t r_shadow_bouncegrid_maxbounce = {CVAR_SAVE, "r_shadow_bouncegrid_maxbounce", "16", "maximum number of bounces for a particle (minimum is 1)"}; -cvar_t r_shadow_bouncegrid_particlebounceintensity = {CVAR_SAVE, "r_shadow_bouncegrid_particlebounceintensity", "1", "amount of energy carried over after each bounce"}; -cvar_t r_shadow_bouncegrid_particleintensity = {CVAR_SAVE, "r_shadow_bouncegrid_particleintensity", "16", "brightness of particles contributing to bouncegrid texture"}; -cvar_t r_shadow_bouncegrid_particlespacing = {CVAR_SAVE, "r_shadow_bouncegrid_particlespacing", "32", "emit one particle per this many units (squared) of radius (squared)"}; -cvar_t r_shadow_bouncegrid_spacingx = {CVAR_SAVE, "r_shadow_bouncegrid_spacingx", "64", "unit size of bouncegrid pixel on X axis"}; -cvar_t r_shadow_bouncegrid_spacingy = {CVAR_SAVE, "r_shadow_bouncegrid_spacingy", "64", "unit size of bouncegrid pixel on Y axis"}; -cvar_t r_shadow_bouncegrid_spacingz = {CVAR_SAVE, "r_shadow_bouncegrid_spacingz", "64", "unit size of bouncegrid pixel on Z axis"}; +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_lightradiusscale = {CVAR_SAVE, "r_shadow_bouncegrid_lightradiusscale", "10", "particles stop at this fraction of light radius (can be more than 1)"}; +cvar_t r_shadow_bouncegrid_maxbounce = {CVAR_SAVE, "r_shadow_bouncegrid_maxbounce", "5", "maximum number of bounces for a particle (minimum is 1)"}; +cvar_t r_shadow_bouncegrid_particlebounceintensity = {CVAR_SAVE, "r_shadow_bouncegrid_particlebounceintensity", "4", "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", "1", "brightness of particles contributing to bouncegrid texture"}; +cvar_t r_shadow_bouncegrid_photons = {CVAR_SAVE, "r_shadow_bouncegrid_photons", "2000", "total photons to shoot per update, divided proportionately between lights"}; +cvar_t r_shadow_bouncegrid_spacing = {CVAR_SAVE, "r_shadow_bouncegrid_spacing", "64", "unit size of bouncegrid pixel"}; cvar_t r_shadow_bouncegrid_stablerandom = {CVAR_SAVE, "r_shadow_bouncegrid_stablerandom", "1", "make particle distribution consistent from frame to frame"}; +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_directionalshading = {CVAR_SAVE, "r_shadow_bouncegrid_static_directionalshading", "1", "whether to use directionalshading when in static mode"}; +cvar_t r_shadow_bouncegrid_static_photons = {CVAR_SAVE, "r_shadow_bouncegrid_static_photons", "25000", "photons value to use when in static mode"}; cvar_t r_shadow_bouncegrid_updateinterval = {CVAR_SAVE, "r_shadow_bouncegrid_updateinterval", "0", "update bouncegrid texture once per this many seconds, useful values are 0, 0.05, or 1000000"}; cvar_t r_shadow_bouncegrid_x = {CVAR_SAVE, "r_shadow_bouncegrid_x", "64", "maximum texture size of bouncegrid on X axis"}; cvar_t r_shadow_bouncegrid_y = {CVAR_SAVE, "r_shadow_bouncegrid_y", "64", "maximum texture size of bouncegrid on Y axis"}; @@ -358,11 +353,34 @@ cvar_t r_editlights_cursorpushoff = {0, "r_editlights_cursorpushoff", "4", "how cvar_t r_editlights_cursorgrid = {0, "r_editlights_cursorgrid", "4", "snaps cursor to this grid size"}; cvar_t r_editlights_quakelightsizescale = {CVAR_SAVE, "r_editlights_quakelightsizescale", "1", "changes size of light entities loaded from a map"}; +typedef struct r_shadow_bouncegrid_settings_s +{ + qboolean staticmode; + qboolean bounceanglediffuse; + qboolean directionalshading; + qboolean includedirectlighting; + float dlightparticlemultiplier; + qboolean hitmodels; + float lightradiusscale; + int maxbounce; + float particlebounceintensity; + float particleintensity; + int photons; + float spacing[3]; + int stablerandom; +} +r_shadow_bouncegrid_settings_t; + +r_shadow_bouncegrid_settings_t r_shadow_bouncegridsettings; rtexture_t *r_shadow_bouncegridtexture; matrix4x4_t r_shadow_bouncegridmatrix; vec_t r_shadow_bouncegridintensity; +qboolean r_shadow_bouncegriddirectional; static double r_shadow_bouncegridtime; static int r_shadow_bouncegridresolution[3]; +static int r_shadow_bouncegridnumpixels; +static unsigned char *r_shadow_bouncegridpixels; +static float *r_shadow_bouncegridhighpixels; // note the table actually includes one more value, just to avoid the need to clamp the distance index due to minor math error #define ATTENTABLESIZE 256 @@ -462,10 +480,9 @@ void R_Shadow_SetShadowMode(void) r_shadow_shadowmappcf = 1; r_shadow_shadowmode = R_SHADOW_SHADOWMODE_SHADOWMAP2D; break; - case RENDERPATH_GL13: - break; case RENDERPATH_GL11: - break; + case RENDERPATH_GL13: + case RENDERPATH_GLES1: case RENDERPATH_GLES2: break; } @@ -507,7 +524,11 @@ void R_Shadow_FreeShadowMaps(void) void r_shadow_start(void) { // allocate vertex processing arrays + r_shadow_bouncegridpixels = NULL; + r_shadow_bouncegridhighpixels = NULL; + r_shadow_bouncegridnumpixels = 0; r_shadow_bouncegridtexture = NULL; + r_shadow_bouncegriddirectional = false; r_shadow_attenuationgradienttexture = NULL; r_shadow_attenuation2dtexture = NULL; r_shadow_attenuation3dtexture = NULL; @@ -580,6 +601,10 @@ void r_shadow_shutdown(void) CHECKGLERROR r_shadow_bouncegridtexture = NULL; + r_shadow_bouncegridpixels = NULL; + r_shadow_bouncegridhighpixels = NULL; + r_shadow_bouncegridnumpixels = 0; + r_shadow_bouncegriddirectional = false; r_shadow_attenuationgradienttexture = NULL; r_shadow_attenuation2dtexture = NULL; r_shadow_attenuation3dtexture = NULL; @@ -711,28 +736,23 @@ void R_Shadow_Init(void) Cvar_RegisterVariable(&r_shadow_polygonfactor); Cvar_RegisterVariable(&r_shadow_polygonoffset); Cvar_RegisterVariable(&r_shadow_texture3d); - Cvar_RegisterVariable(&r_shadow_particletrace); - Cvar_RegisterVariable(&r_shadow_particletrace_intensity); - Cvar_RegisterVariable(&r_shadow_particletrace_size); - Cvar_RegisterVariable(&r_shadow_particletrace_radiusscale); - Cvar_RegisterVariable(&r_shadow_particletrace_maxbounce); - Cvar_RegisterVariable(&r_shadow_particletrace_bounceintensity); - Cvar_RegisterVariable(&r_shadow_particletrace_particlespacing); - Cvar_RegisterVariable(&r_shadow_particletrace_updatepercentage); Cvar_RegisterVariable(&r_shadow_bouncegrid); Cvar_RegisterVariable(&r_shadow_bouncegrid_bounceanglediffuse); + Cvar_RegisterVariable(&r_shadow_bouncegrid_directionalshading); Cvar_RegisterVariable(&r_shadow_bouncegrid_dlightparticlemultiplier); Cvar_RegisterVariable(&r_shadow_bouncegrid_hitmodels); + Cvar_RegisterVariable(&r_shadow_bouncegrid_includedirectlighting); Cvar_RegisterVariable(&r_shadow_bouncegrid_intensity); Cvar_RegisterVariable(&r_shadow_bouncegrid_lightradiusscale); Cvar_RegisterVariable(&r_shadow_bouncegrid_maxbounce); Cvar_RegisterVariable(&r_shadow_bouncegrid_particlebounceintensity); Cvar_RegisterVariable(&r_shadow_bouncegrid_particleintensity); - Cvar_RegisterVariable(&r_shadow_bouncegrid_particlespacing); - Cvar_RegisterVariable(&r_shadow_bouncegrid_spacingx); - Cvar_RegisterVariable(&r_shadow_bouncegrid_spacingy); - Cvar_RegisterVariable(&r_shadow_bouncegrid_spacingz); + Cvar_RegisterVariable(&r_shadow_bouncegrid_photons); + Cvar_RegisterVariable(&r_shadow_bouncegrid_spacing); Cvar_RegisterVariable(&r_shadow_bouncegrid_stablerandom); + Cvar_RegisterVariable(&r_shadow_bouncegrid_static); + Cvar_RegisterVariable(&r_shadow_bouncegrid_static_directionalshading); + Cvar_RegisterVariable(&r_shadow_bouncegrid_static_photons); Cvar_RegisterVariable(&r_shadow_bouncegrid_updateinterval); Cvar_RegisterVariable(&r_shadow_bouncegrid_x); Cvar_RegisterVariable(&r_shadow_bouncegrid_y); @@ -743,11 +763,6 @@ void R_Shadow_Init(void) Cvar_RegisterVariable(&gl_flashblend); Cvar_RegisterVariable(&gl_ext_separatestencil); Cvar_RegisterVariable(&gl_ext_stenciltwoside); - if (gamemode == GAME_TENEBRAE) - { - Cvar_SetValue("r_shadow_gloss", 2); - Cvar_SetValue("r_shadow_bumpscale_basetexture", 4); - } R_Shadow_EditLights_Init(); Mem_ExpandableArray_NewArray(&r_shadow_worldlightsarray, r_main_mempool, sizeof(dlight_t), 128); maxshadowtriangles = 0; @@ -1736,7 +1751,7 @@ static void R_Shadow_MakeTextures_MakeCorona(void) pixels[y][x][3] = 255; } } - r_shadow_lightcorona = R_SkinFrame_LoadInternalBGRA("lightcorona", TEXF_FORCELINEAR, &pixels[0][0][0], 32, 32); + r_shadow_lightcorona = R_SkinFrame_LoadInternalBGRA("lightcorona", TEXF_FORCELINEAR, &pixels[0][0][0], 32, 32, false); } static unsigned int R_Shadow_MakeTextures_SamplePoint(float x, float y, float z) @@ -1933,7 +1948,7 @@ void R_Shadow_RenderMode_Begin(void) GL_DepthMask(false); GL_Color(0, 0, 0, 1); GL_Scissor(r_refdef.view.viewport.x, r_refdef.view.viewport.y, r_refdef.view.viewport.width, r_refdef.view.viewport.height); - + r_shadow_rendermode = R_SHADOW_RENDERMODE_NONE; if (gl_ext_separatestencil.integer && vid.support.ati_separate_stencil) @@ -1962,8 +1977,9 @@ void R_Shadow_RenderMode_Begin(void) case RENDERPATH_GLES2: r_shadow_lightingrendermode = R_SHADOW_RENDERMODE_LIGHT_GLSL; break; - case RENDERPATH_GL13: case RENDERPATH_GL11: + case RENDERPATH_GL13: + case RENDERPATH_GLES1: if (r_textureunits.integer >= 2 && vid.texunits >= 2 && r_shadow_texture3d.integer && r_shadow_attenuation3dtexture) r_shadow_lightingrendermode = R_SHADOW_RENDERMODE_LIGHT_VERTEX3DATTEN; else if (r_textureunits.integer >= 3 && vid.texunits >= 3) @@ -1993,7 +2009,7 @@ void R_Shadow_RenderMode_ActiveLight(const rtlight_t *rtlight) void R_Shadow_RenderMode_Reset(void) { - R_Mesh_ResetRenderTargets(); + R_Mesh_SetMainRenderTargets(); R_SetViewport(&r_refdef.view.viewport); GL_Scissor(r_shadow_lightscissor[0], r_shadow_lightscissor[1], r_shadow_lightscissor[2], r_shadow_lightscissor[3]); R_Mesh_ResetTextureState(); @@ -2008,7 +2024,7 @@ void R_Shadow_RenderMode_Reset(void) GL_Color(1, 1, 1, 1); GL_ColorMask(r_refdef.view.colormask[0], r_refdef.view.colormask[1], r_refdef.view.colormask[2], 1); GL_BlendFunc(GL_ONE, GL_ZERO); - R_SetupShader_Generic(NULL, NULL, GL_MODULATE, 1); + R_SetupShader_Generic(NULL, NULL, GL_MODULATE, 1, false); r_shadow_usingshadowmap2d = false; r_shadow_usingshadowmaportho = false; R_SetStencil(false, 255, GL_KEEP, GL_KEEP, GL_KEEP, GL_ALWAYS, 128, 255); @@ -2030,7 +2046,7 @@ void R_Shadow_RenderMode_StencilShadowVolumes(qboolean zpass) GL_ColorMask(0, 0, 0, 0); GL_PolygonOffset(r_refdef.shadowpolygonfactor, r_refdef.shadowpolygonoffset);CHECKGLERROR GL_CullFace(GL_NONE); - R_SetupShader_DepthOrShadow(); + R_SetupShader_DepthOrShadow(false); r_shadow_rendermode = mode; switch(mode) { @@ -2140,15 +2156,9 @@ void R_Shadow_RenderMode_ShadowMap(int side, int clear, int size) r_shadow_rendermode = R_SHADOW_RENDERMODE_SHADOWMAP2D; R_Mesh_ResetTextureState(); - R_Mesh_ResetRenderTargets(); R_Shadow_RenderMode_Reset(); - if (fbo) - { - R_Mesh_SetRenderTargets(fbo, r_shadow_shadowmap2dtexture, r_shadow_shadowmap2dcolortexture, NULL, NULL, NULL); - R_SetupShader_DepthOrShadow(); - } - else - R_SetupShader_ShowDepth(); + R_Mesh_SetRenderTargets(fbo, r_shadow_shadowmap2dtexture, r_shadow_shadowmap2dcolortexture, NULL, NULL, NULL); + R_SetupShader_DepthOrShadow(true); GL_PolygonOffset(r_shadow_shadowmapping_polygonfactor.value, r_shadow_shadowmapping_polygonoffset.value); GL_DepthMask(true); GL_DepthTest(true); @@ -2164,6 +2174,7 @@ init_done: case RENDERPATH_GL13: case RENDERPATH_GL20: case RENDERPATH_SOFT: + case RENDERPATH_GLES1: case RENDERPATH_GLES2: GL_CullFace(r_refdef.view.cullface_back); // OpenGL lets us scissor larger than the viewport, so go ahead and clear all views at once @@ -2210,7 +2221,7 @@ init_done: void R_Shadow_RenderMode_Lighting(qboolean stenciltest, qboolean transparent, qboolean shadowmapping) { R_Mesh_ResetTextureState(); - R_Mesh_ResetRenderTargets(); + R_Mesh_SetMainRenderTargets(); if (transparent) { r_shadow_lightscissor[0] = r_refdef.view.viewport.x; @@ -2270,7 +2281,10 @@ void R_Shadow_RenderMode_DrawDeferredLight(qboolean stenciltest, qboolean shadow // only draw light where this geometry was already rendered AND the // stencil is 128 (values other than this mean shadow) R_SetStencil(stenciltest, 255, GL_KEEP, GL_KEEP, GL_KEEP, GL_EQUAL, 128, 255); - R_Mesh_SetRenderTargets(r_shadow_prepasslightingdiffusespecularfbo, r_shadow_prepassgeometrydepthtexture, r_shadow_prepasslightingdiffusetexture, r_shadow_prepasslightingspeculartexture, NULL, NULL); + if (rsurface.rtlight->specularscale > 0 && r_shadow_gloss.integer > 0) + R_Mesh_SetRenderTargets(r_shadow_prepasslightingdiffusespecularfbo, r_shadow_prepassgeometrydepthtexture, r_shadow_prepasslightingdiffusetexture, r_shadow_prepasslightingspeculartexture, NULL, NULL); + else + R_Mesh_SetRenderTargets(r_shadow_prepasslightingdiffusefbo, r_shadow_prepassgeometrydepthtexture, r_shadow_prepasslightingdiffusetexture, NULL, NULL, NULL); r_shadow_usingshadowmap2d = shadowmapping; @@ -2289,24 +2303,27 @@ void R_Shadow_RenderMode_DrawDeferredLight(qboolean stenciltest, qboolean shadow R_Mesh_Draw(0, 8, 0, 12, NULL, NULL, 0, bboxelements, NULL, 0); } -static void R_Shadow_UpdateBounceGridTexture(void) +void R_Shadow_UpdateBounceGridTexture(void) { #define MAXBOUNCEGRIDPARTICLESPERLIGHT 1048576 dlight_t *light; int flag = r_refdef.scene.rtworld ? LIGHTFLAG_REALTIMEMODE : LIGHTFLAG_NORMALMODE; int bouncecount; - int bouncelimit; - int c[3]; int hitsupercontentsmask; int maxbounce; int numpixels; int resolution[3]; int shootparticles; int shotparticles; + int photoncount; int tex[3]; trace_t cliptrace; + //trace_t cliptrace2; + //trace_t cliptrace3; unsigned char *pixel; unsigned char *pixels; + float *highpixel; + float *highpixels; unsigned int lightindex; unsigned int range; unsigned int range1; @@ -2314,6 +2331,7 @@ static void R_Shadow_UpdateBounceGridTexture(void) unsigned int seed = (unsigned int)(realtime * 1000.0f); vec3_t shotcolor; vec3_t baseshotcolor; + vec3_t surfcolor; vec3_t clipend; vec3_t clipstart; vec3_t clipdiff; @@ -2323,53 +2341,206 @@ static void R_Shadow_UpdateBounceGridTexture(void) vec3_t size; vec3_t spacing; vec3_t lightcolor; + vec3_t steppos; + vec3_t stepdelta; vec_t radius; vec_t s; vec_t lightintensity; + vec_t photonscaling; + vec_t photonresidual; float m[16]; - qboolean isstatic = r_shadow_bouncegrid_updateinterval.value > 1.0f; + float texlerp[2][3]; + float splatcolor[32]; + float pixelweight[8]; + float w; + int c[4]; + int pixelindex[8]; + int corner; + int pixelsperband; + int pixelband; + int pixelbands; + int numsteps; + int step; + int x, y, z; rtlight_t *rtlight; - if (!r_shadow_bouncegrid.integer || !vid.support.ext_texture_3d) + r_shadow_bouncegrid_settings_t settings; + qboolean enable = r_shadow_bouncegrid.integer != 0 && r_refdef.scene.worldmodel; + qboolean allowdirectionalshading = false; + switch(vid.renderpath) + { + case RENDERPATH_GL20: + allowdirectionalshading = true; + if (!vid.support.ext_texture_3d) + return; + break; + case RENDERPATH_GLES2: + // for performance reasons, do not use directional shading on GLES devices + if (!vid.support.ext_texture_3d) + return; + break; + // these renderpaths do not currently have the code to display the bouncegrid, so disable it on them... + case RENDERPATH_GL11: + case RENDERPATH_GL13: + case RENDERPATH_GLES1: + case RENDERPATH_SOFT: + case RENDERPATH_D3D9: + case RENDERPATH_D3D10: + case RENDERPATH_D3D11: + return; + } + + r_shadow_bouncegridintensity = r_shadow_bouncegrid_intensity.value; + + // see if there are really any lights to render... + if (enable && r_shadow_bouncegrid_static.integer) + { + enable = false; + range = Mem_ExpandableArray_IndexRange(&r_shadow_worldlightsarray); // checked + for (lightindex = 0;lightindex < range;lightindex++) + { + light = (dlight_t *) Mem_ExpandableArray_RecordAtIndex(&r_shadow_worldlightsarray, lightindex); + if (!light || !(light->flags & flag)) + continue; + rtlight = &light->rtlight; + // when static, we skip styled lights because they tend to change... + if (rtlight->style > 0) + continue; + VectorScale(rtlight->color, (rtlight->ambientscale + rtlight->diffusescale + rtlight->specularscale), lightcolor); + if (!VectorLength2(lightcolor)) + continue; + enable = true; + break; + } + } + + if (!enable) { if (r_shadow_bouncegridtexture) { R_FreeTexture(r_shadow_bouncegridtexture); r_shadow_bouncegridtexture = NULL; } + if (r_shadow_bouncegridpixels) + Mem_Free(r_shadow_bouncegridpixels); + r_shadow_bouncegridpixels = NULL; + if (r_shadow_bouncegridhighpixels) + Mem_Free(r_shadow_bouncegridhighpixels); + r_shadow_bouncegridhighpixels = NULL; + r_shadow_bouncegridnumpixels = 0; + r_shadow_bouncegriddirectional = false; return; } - if (r_refdef.scene.worldmodel && isstatic) - { - VectorSet(spacing, bound(1, r_shadow_bouncegrid_spacingx.value, 512), bound(1, r_shadow_bouncegrid_spacingy.value, 512), bound(1, r_shadow_bouncegrid_spacingz.value, 512)); - VectorMA(r_refdef.scene.worldmodel->normalmins, -2.0f, spacing, mins); - VectorMA(r_refdef.scene.worldmodel->normalmaxs, 2.0f, spacing, maxs); - VectorSubtract(maxs, mins, size); - resolution[0] = (int)floor(size[0] / spacing[0] + 0.5f); - resolution[1] = (int)floor(size[1] / spacing[1] + 0.5f); - resolution[2] = (int)floor(size[2] / spacing[2] + 0.5f); - resolution[0] = min(resolution[0], bound(4, r_shadow_bouncegrid_x.integer, (int)vid.maxtexturesize_3d)); - resolution[1] = min(resolution[1], bound(4, r_shadow_bouncegrid_y.integer, (int)vid.maxtexturesize_3d)); - resolution[2] = min(resolution[2], bound(4, r_shadow_bouncegrid_z.integer, (int)vid.maxtexturesize_3d)); - spacing[0] = size[0] / resolution[0]; - spacing[1] = size[1] / resolution[1]; - spacing[2] = size[2] / resolution[2]; - ispacing[0] = 1.0f / spacing[0]; - ispacing[1] = 1.0f / spacing[1]; - ispacing[2] = 1.0f / spacing[2]; + + // build up a complete collection of the desired settings, so that memcmp can be used to compare parameters + memset(&settings, 0, sizeof(settings)); + settings.staticmode = r_shadow_bouncegrid_static.integer != 0; + settings.bounceanglediffuse = r_shadow_bouncegrid_bounceanglediffuse.integer != 0; + settings.directionalshading = (r_shadow_bouncegrid_static.integer != 0 ? r_shadow_bouncegrid_static_directionalshading.integer != 0 : r_shadow_bouncegrid_directionalshading.integer != 0) && allowdirectionalshading; + settings.dlightparticlemultiplier = r_shadow_bouncegrid_dlightparticlemultiplier.value; + settings.hitmodels = r_shadow_bouncegrid_hitmodels.integer != 0; + settings.includedirectlighting = r_shadow_bouncegrid_includedirectlighting.integer != 0 || r_shadow_bouncegrid.integer == 2; + settings.lightradiusscale = r_shadow_bouncegrid_lightradiusscale.value; + settings.maxbounce = r_shadow_bouncegrid_maxbounce.integer; + settings.particlebounceintensity = r_shadow_bouncegrid_particlebounceintensity.value; + settings.particleintensity = r_shadow_bouncegrid_particleintensity.value * 16384.0f * (settings.directionalshading ? 4.0f : 1.0f) / (r_shadow_bouncegrid_spacing.value * r_shadow_bouncegrid_spacing.value); + settings.photons = r_shadow_bouncegrid_static.integer ? r_shadow_bouncegrid_static_photons.integer : r_shadow_bouncegrid_photons.integer; + settings.spacing[0] = r_shadow_bouncegrid_spacing.value; + settings.spacing[1] = r_shadow_bouncegrid_spacing.value; + settings.spacing[2] = r_shadow_bouncegrid_spacing.value; + settings.stablerandom = r_shadow_bouncegrid_stablerandom.integer; + + // bound the values for sanity + settings.photons = bound(1, settings.photons, 1048576); + settings.lightradiusscale = bound(0.0001f, settings.lightradiusscale, 1024.0f); + settings.maxbounce = bound(0, settings.maxbounce, 16); + settings.spacing[0] = bound(1, settings.spacing[0], 512); + settings.spacing[1] = bound(1, settings.spacing[1], 512); + settings.spacing[2] = bound(1, settings.spacing[2], 512); + + // get the spacing values + spacing[0] = settings.spacing[0]; + spacing[1] = settings.spacing[1]; + spacing[2] = settings.spacing[2]; + ispacing[0] = 1.0f / spacing[0]; + ispacing[1] = 1.0f / spacing[1]; + ispacing[2] = 1.0f / spacing[2]; + + // calculate texture size enclosing entire world bounds at the spacing + VectorMA(r_refdef.scene.worldmodel->normalmins, -2.0f, spacing, mins); + VectorMA(r_refdef.scene.worldmodel->normalmaxs, 2.0f, spacing, maxs); + VectorSubtract(maxs, mins, size); + // now we can calculate the resolution we want + c[0] = (int)floor(size[0] / spacing[0] + 0.5f); + c[1] = (int)floor(size[1] / spacing[1] + 0.5f); + c[2] = (int)floor(size[2] / spacing[2] + 0.5f); + // figure out the exact texture size (honoring power of 2 if required) + c[0] = bound(4, c[0], (int)vid.maxtexturesize_3d); + c[1] = bound(4, c[1], (int)vid.maxtexturesize_3d); + c[2] = bound(4, c[2], (int)vid.maxtexturesize_3d); + if (vid.support.arb_texture_non_power_of_two) + { + resolution[0] = c[0]; + resolution[1] = c[1]; + resolution[2] = c[2]; } else { - VectorSet(resolution, bound(4, r_shadow_bouncegrid_x.integer, (int)vid.maxtexturesize_3d), bound(4, r_shadow_bouncegrid_y.integer, (int)vid.maxtexturesize_3d), bound(4, r_shadow_bouncegrid_z.integer, (int)vid.maxtexturesize_3d)); - VectorSet(spacing, bound(1, r_shadow_bouncegrid_spacingx.value, 512), bound(1, r_shadow_bouncegrid_spacingy.value, 512), bound(1, r_shadow_bouncegrid_spacingz.value, 512)); - VectorMultiply(resolution, spacing, size); - ispacing[0] = 1.0f / spacing[0]; - ispacing[1] = 1.0f / spacing[1]; - ispacing[2] = 1.0f / spacing[2]; + for (resolution[0] = 4;resolution[0] < c[0];resolution[0]*=2) ; + for (resolution[1] = 4;resolution[1] < c[1];resolution[1]*=2) ; + for (resolution[2] = 4;resolution[2] < c[2];resolution[2]*=2) ; + } + size[0] = spacing[0] * resolution[0]; + size[1] = spacing[1] * resolution[1]; + size[2] = spacing[2] * resolution[2]; + + // if dynamic we may or may not want to use the world bounds + // if the dynamic size is smaller than the world bounds, use it instead + if (!settings.staticmode && (r_shadow_bouncegrid_x.integer * r_shadow_bouncegrid_y.integer * r_shadow_bouncegrid_z.integer < resolution[0] * resolution[1] * resolution[2])) + { + // we know the resolution we want + c[0] = r_shadow_bouncegrid_x.integer; + c[1] = r_shadow_bouncegrid_y.integer; + c[2] = r_shadow_bouncegrid_z.integer; + // now we can calculate the texture size (power of 2 if required) + c[0] = bound(4, c[0], (int)vid.maxtexturesize_3d); + c[1] = bound(4, c[1], (int)vid.maxtexturesize_3d); + c[2] = bound(4, c[2], (int)vid.maxtexturesize_3d); + if (vid.support.arb_texture_non_power_of_two) + { + resolution[0] = c[0]; + resolution[1] = c[1]; + resolution[2] = c[2]; + } + else + { + for (resolution[0] = 4;resolution[0] < c[0];resolution[0]*=2) ; + for (resolution[1] = 4;resolution[1] < c[1];resolution[1]*=2) ; + for (resolution[2] = 4;resolution[2] < c[2];resolution[2]*=2) ; + } + size[0] = spacing[0] * resolution[0]; + size[1] = spacing[1] * resolution[1]; + size[2] = spacing[2] * resolution[2]; + // center the rendering on the view mins[0] = floor(r_refdef.view.origin[0] * ispacing[0] + 0.5f) * spacing[0] - 0.5f * size[0]; mins[1] = floor(r_refdef.view.origin[1] * ispacing[1] + 0.5f) * spacing[1] - 0.5f * size[1]; mins[2] = floor(r_refdef.view.origin[2] * ispacing[2] + 0.5f) * spacing[2] - 0.5f * size[2]; - VectorAdd(mins, size, maxs); } + + // recalculate the maxs in case the resolution was not satisfactory + VectorAdd(mins, size, maxs); + + // if all the settings seem identical to the previous update, return + if (r_shadow_bouncegridtexture && (settings.staticmode || realtime < r_shadow_bouncegridtime + r_shadow_bouncegrid_updateinterval.value) && !memcmp(&r_shadow_bouncegridsettings, &settings, sizeof(settings))) + return; + + // store the new settings + r_shadow_bouncegridsettings = settings; + + pixelbands = settings.directionalshading ? 8 : 1; + pixelsperband = resolution[0]*resolution[1]*resolution[2]; + numpixels = pixelsperband*pixelbands; + + // we're going to update the bouncegrid, update the matrix... memset(m, 0, sizeof(m)); m[0] = 1.0f / size[0]; m[3] = -mins[0] * m[0]; @@ -2379,125 +2550,274 @@ static void R_Shadow_UpdateBounceGridTexture(void) m[11] = -mins[2] * m[10]; m[15] = 1.0f; Matrix4x4_FromArrayFloatD3D(&r_shadow_bouncegridmatrix, m); - r_shadow_bouncegridintensity = r_shadow_bouncegrid_intensity.value; - if (r_shadow_bouncegridtexture && realtime < r_shadow_bouncegridtime + r_shadow_bouncegrid_updateinterval.value && resolution[0] == r_shadow_bouncegridresolution[0] && resolution[1] == r_shadow_bouncegridresolution[1] && resolution[2] == r_shadow_bouncegridresolution[2]) - return; - numpixels = resolution[0]*resolution[1]*resolution[2]; - // allocate pixels for this update... - pixels = Mem_Alloc(r_main_mempool, numpixels * sizeof(unsigned char[4])); + // reallocate pixels for this update if needed... + if (r_shadow_bouncegridnumpixels != numpixels || !r_shadow_bouncegridpixels || !r_shadow_bouncegridhighpixels) + { + if (r_shadow_bouncegridtexture) + { + R_FreeTexture(r_shadow_bouncegridtexture); + r_shadow_bouncegridtexture = NULL; + } + r_shadow_bouncegridpixels = (unsigned char *)Mem_Realloc(r_main_mempool, r_shadow_bouncegridpixels, numpixels * sizeof(unsigned char[4])); + r_shadow_bouncegridhighpixels = (float *)Mem_Realloc(r_main_mempool, r_shadow_bouncegridhighpixels, numpixels * sizeof(float[4])); + } + r_shadow_bouncegridnumpixels = numpixels; + pixels = r_shadow_bouncegridpixels; + highpixels = r_shadow_bouncegridhighpixels; + x = pixelsperband*4; + for (pixelband = 0;pixelband < pixelbands;pixelband++) + { + if (pixelband == 1) + memset(pixels + pixelband * x, 128, x); + else + memset(pixels + pixelband * x, 0, x); + } + memset(highpixels, 0, numpixels * sizeof(float[4])); // figure out what we want to interact with - if (r_shadow_bouncegrid_hitmodels.integer) - hitsupercontentsmask = SUPERCONTENTS_SOLID | SUPERCONTENTS_BODY | SUPERCONTENTS_LIQUIDSMASK; + if (settings.hitmodels) + hitsupercontentsmask = SUPERCONTENTS_SOLID | SUPERCONTENTS_BODY;// | SUPERCONTENTS_LIQUIDSMASK; else - hitsupercontentsmask = SUPERCONTENTS_SOLID | SUPERCONTENTS_LIQUIDSMASK; + hitsupercontentsmask = SUPERCONTENTS_SOLID;// | SUPERCONTENTS_LIQUIDSMASK; + maxbounce = settings.maxbounce; + // clear variables that produce warnings otherwise + memset(splatcolor, 0, sizeof(splatcolor)); // iterate world rtlights range = Mem_ExpandableArray_IndexRange(&r_shadow_worldlightsarray); // checked - range1 = isstatic ? 0 : r_refdef.scene.numlights; + range1 = settings.staticmode ? 0 : r_refdef.scene.numlights; range2 = range + range1; + photoncount = 0; for (lightindex = 0;lightindex < range2;lightindex++) { - if (isstatic) + if (lightindex < range) { light = (dlight_t *) Mem_ExpandableArray_RecordAtIndex(&r_shadow_worldlightsarray, lightindex); - if (!light || !(light->flags & flag)) + if (!light) continue; rtlight = &light->rtlight; - // when static, we skip styled lights because they tend to change... - if (rtlight->style > 0) + VectorClear(rtlight->photoncolor); + rtlight->photons = 0; + if (!(light->flags & flag)) continue; - VectorScale(rtlight->color, (rtlight->ambientscale + rtlight->diffusescale + rtlight->specularscale) * (rtlight->style >= 0 ? r_refdef.scene.rtlightstylevalue[rtlight->style] : 1), lightcolor); - } - else - { - if (lightindex < range) + if (settings.staticmode) { - light = (dlight_t *) Mem_ExpandableArray_RecordAtIndex(&r_shadow_worldlightsarray, lightindex); - rtlight = &light->rtlight; + // when static, we skip styled lights because they tend to change... + if (rtlight->style > 0 && r_shadow_bouncegrid.integer != 2) + continue; } else - rtlight = r_refdef.scene.lights[lightindex - range]; + { + // draw only visible lights (major speedup) + //if (!rtlight->draw) + // continue; + } + } + else + { + rtlight = r_refdef.scene.lights[lightindex - range]; + VectorClear(rtlight->photoncolor); + rtlight->photons = 0; // draw only visible lights (major speedup) - if (!rtlight->draw) - continue; - VectorScale(rtlight->currentcolor, rtlight->ambientscale + rtlight->diffusescale + rtlight->specularscale, lightcolor); + //if (!rtlight->draw) + // continue; } - if (!VectorLength2(lightcolor)) + w = r_shadow_lightintensityscale.value * (rtlight->ambientscale + rtlight->diffusescale + rtlight->specularscale); + if (w * VectorLength2(rtlight->color) == 0.0f) continue; + w *= (rtlight->style >= 0 ? r_refdef.scene.rtlightstylevalue[rtlight->style] : 1); + VectorScale(rtlight->color, w, rtlight->photoncolor); + //if (!VectorLength2(rtlight->photoncolor)) + // continue; // shoot particles from this light // use a calculation for the number of particles that will not // vary with lightstyle, otherwise we get randomized particle // distribution, the seeded random is only consistent for a // consistent number of particles on this light... - radius = rtlight->radius * bound(0.0001f, r_shadow_bouncegrid_lightradiusscale.value, 1024.0f); - s = rtlight->radius / bound(1.0f, r_shadow_bouncegrid_particlespacing.value, 1048576.0f); - lightintensity = VectorLength(rtlight->color) * rtlight->ambientscale + rtlight->diffusescale + rtlight->specularscale; + radius = rtlight->radius * settings.lightradiusscale; + s = rtlight->radius; + lightintensity = VectorLength(rtlight->color) * (rtlight->ambientscale + rtlight->diffusescale + rtlight->specularscale); if (lightindex >= range) - lightintensity *= r_shadow_bouncegrid_dlightparticlemultiplier.value; - shootparticles = (int)bound(0, lightintensity * s *s, MAXBOUNCEGRIDPARTICLESPERLIGHT); + lightintensity *= settings.dlightparticlemultiplier; + rtlight->photons = max(0.0f, lightintensity * s * s); + photoncount += rtlight->photons; + } + photonscaling = (float)settings.photons / max(1, photoncount); + photonresidual = 0.0f; + 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]; + // skip a light with no photons + if (rtlight->photons == 0.0f) + continue; + // skip a light with no photon color) + if (VectorLength2(rtlight->photoncolor) == 0.0f) + continue; + photonresidual += rtlight->photons * photonscaling; + shootparticles = (int)bound(0, photonresidual, MAXBOUNCEGRIDPARTICLESPERLIGHT); if (!shootparticles) continue; - s = 255.0f * r_shadow_bouncegrid_particleintensity.value / shootparticles; - VectorScale(lightcolor, s, baseshotcolor); - maxbounce = bound(1, r_shadow_bouncegrid_maxbounce.integer, 16); - if (VectorLength2(baseshotcolor) < 3.0f) - break; + photonresidual -= shootparticles; + radius = rtlight->radius * settings.lightradiusscale; + s = settings.particleintensity / shootparticles; + VectorScale(rtlight->photoncolor, s, baseshotcolor); r_refdef.stats.bouncegrid_lights++; r_refdef.stats.bouncegrid_particles += shootparticles; for (shotparticles = 0;shotparticles < shootparticles;shotparticles++) { - if (r_shadow_bouncegrid_stablerandom.integer > 0) + if (settings.stablerandom > 0) seed = lightindex * 11937 + shotparticles; VectorCopy(baseshotcolor, shotcolor); VectorCopy(rtlight->shadoworigin, clipstart); - if (r_shadow_bouncegrid_stablerandom.integer < 0) + if (settings.stablerandom < 0) VectorRandom(clipend); else VectorCheeseRandom(clipend); VectorMA(clipstart, radius, clipend, clipend); - bouncelimit = 1 + (rtlight->particlecache_updateparticle % maxbounce); for (bouncecount = 0;;bouncecount++) { r_refdef.stats.bouncegrid_traces++; - cliptrace = CL_TraceLine(clipstart, clipend, r_shadow_bouncegrid_hitmodels.integer ? MOVE_HITMODEL : MOVE_NOMONSTERS, NULL, hitsupercontentsmask, true, false, NULL, true); - //Collision_ClipLineToWorld(&cliptrace, cl.worldmodel, clipstart, clipend, hitsupercontentsmask); - if (cliptrace.fraction >= 1.0f) - break; - r_refdef.stats.bouncegrid_hits++; - if (bouncecount > 0) + //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) + // Collision_ClipLineToWorld(&cliptrace, cl.worldmodel, clipstart, clipend, hitsupercontentsmask, true); + //else + cliptrace = CL_TraceLine(clipstart, clipend, settings.staticmode ? MOVE_WORLDONLY : (settings.hitmodels ? MOVE_HITMODEL : MOVE_NOMONSTERS), NULL, hitsupercontentsmask, true, false, NULL, true, true); + if (bouncecount > 0 || settings.includedirectlighting) { - r_refdef.stats.bouncegrid_splats++; - // figure out which texture pixel this is in - tex[0] = (int)((cliptrace.endpos[0] - mins[0]) * ispacing[0]); - tex[1] = (int)((cliptrace.endpos[1] - mins[1]) * ispacing[1]); - tex[2] = (int)((cliptrace.endpos[2] - mins[2]) * ispacing[2]); - if (tex[0] >= 1 && tex[1] >= 1 && tex[2] >= 1 && tex[0] < resolution[0] - 1 && tex[1] < resolution[1] - 1 && tex[2] < resolution[2] - 1) + // calculate second order spherical harmonics values (average, slopeX, slopeY, slopeZ) + // accumulate average shotcolor + w = VectorLength(shotcolor); + splatcolor[ 0] = shotcolor[0]; + splatcolor[ 1] = shotcolor[1]; + splatcolor[ 2] = shotcolor[2]; + splatcolor[ 3] = 0.0f; + if (pixelbands > 1) { - // it is within bounds... - pixel = pixels + 4 * ((tex[2]*resolution[1]+tex[1])*resolution[0]+tex[0]); - // add to the pixel color - c[0] = pixel[0] + (int)shotcolor[2]; - c[1] = pixel[1] + (int)shotcolor[1]; - c[2] = pixel[2] + (int)shotcolor[0]; - pixel[0] = (unsigned char)min(c[0], 255); - pixel[1] = (unsigned char)min(c[1], 255); - pixel[2] = (unsigned char)min(c[2], 255); - pixel[3] = 255; + VectorSubtract(clipstart, cliptrace.endpos, clipdiff); + VectorNormalize(clipdiff); + // store bentnormal in case the shader has a use for it + splatcolor[ 4] = clipdiff[0] * w; + splatcolor[ 5] = clipdiff[1] * w; + splatcolor[ 6] = clipdiff[2] * w; + splatcolor[ 7] = w; + // accumulate directional contributions (+X, +Y, +Z, -X, -Y, -Z) + splatcolor[ 8] = shotcolor[0] * max(0.0f, clipdiff[0]); + splatcolor[ 9] = shotcolor[0] * max(0.0f, clipdiff[1]); + splatcolor[10] = shotcolor[0] * max(0.0f, clipdiff[2]); + splatcolor[11] = 0.0f; + splatcolor[12] = shotcolor[1] * max(0.0f, clipdiff[0]); + splatcolor[13] = shotcolor[1] * max(0.0f, clipdiff[1]); + splatcolor[14] = shotcolor[1] * max(0.0f, clipdiff[2]); + splatcolor[15] = 0.0f; + splatcolor[16] = shotcolor[2] * max(0.0f, clipdiff[0]); + splatcolor[17] = shotcolor[2] * max(0.0f, clipdiff[1]); + splatcolor[18] = shotcolor[2] * max(0.0f, clipdiff[2]); + splatcolor[19] = 0.0f; + splatcolor[20] = shotcolor[0] * max(0.0f, -clipdiff[0]); + splatcolor[21] = shotcolor[0] * max(0.0f, -clipdiff[1]); + splatcolor[22] = shotcolor[0] * max(0.0f, -clipdiff[2]); + splatcolor[23] = 0.0f; + splatcolor[24] = shotcolor[1] * max(0.0f, -clipdiff[0]); + splatcolor[25] = shotcolor[1] * max(0.0f, -clipdiff[1]); + splatcolor[26] = shotcolor[1] * max(0.0f, -clipdiff[2]); + splatcolor[27] = 0.0f; + splatcolor[28] = shotcolor[2] * max(0.0f, -clipdiff[0]); + splatcolor[29] = shotcolor[2] * max(0.0f, -clipdiff[1]); + splatcolor[30] = shotcolor[2] * max(0.0f, -clipdiff[2]); + splatcolor[31] = 0.0f; + } + // calculate the number of steps we need to traverse this distance + VectorSubtract(cliptrace.endpos, clipstart, stepdelta); + numsteps = (int)(VectorLength(stepdelta) * ispacing[0]); + numsteps = bound(1, numsteps, 1024); + w = 1.0f / numsteps; + VectorScale(stepdelta, w, stepdelta); + VectorMA(clipstart, 0.5f, stepdelta, steppos); + for (step = 0;step < numsteps;step++) + { + r_refdef.stats.bouncegrid_splats++; + // figure out which texture pixel this is in + texlerp[1][0] = ((steppos[0] - mins[0]) * ispacing[0]) - 0.5f; + texlerp[1][1] = ((steppos[1] - mins[1]) * ispacing[1]) - 0.5f; + texlerp[1][2] = ((steppos[2] - mins[2]) * ispacing[2]) - 0.5f; + tex[0] = (int)floor(texlerp[1][0]); + tex[1] = (int)floor(texlerp[1][1]); + tex[2] = (int)floor(texlerp[1][2]); + if (tex[0] >= 1 && tex[1] >= 1 && tex[2] >= 1 && tex[0] < resolution[0] - 2 && tex[1] < resolution[1] - 2 && tex[2] < resolution[2] - 2) + { + // it is within bounds... do the real work now + // calculate the lerp factors + texlerp[1][0] -= tex[0]; + texlerp[1][1] -= tex[1]; + texlerp[1][2] -= tex[2]; + texlerp[0][0] = 1.0f - texlerp[1][0]; + texlerp[0][1] = 1.0f - texlerp[1][1]; + texlerp[0][2] = 1.0f - texlerp[1][2]; + // calculate individual pixel indexes and weights + pixelindex[0] = (((tex[2] )*resolution[1]+tex[1] )*resolution[0]+tex[0] );pixelweight[0] = (texlerp[0][0]*texlerp[0][1]*texlerp[0][2]); + pixelindex[1] = (((tex[2] )*resolution[1]+tex[1] )*resolution[0]+tex[0]+1);pixelweight[1] = (texlerp[1][0]*texlerp[0][1]*texlerp[0][2]); + pixelindex[2] = (((tex[2] )*resolution[1]+tex[1]+1)*resolution[0]+tex[0] );pixelweight[2] = (texlerp[0][0]*texlerp[1][1]*texlerp[0][2]); + pixelindex[3] = (((tex[2] )*resolution[1]+tex[1]+1)*resolution[0]+tex[0]+1);pixelweight[3] = (texlerp[1][0]*texlerp[1][1]*texlerp[0][2]); + pixelindex[4] = (((tex[2]+1)*resolution[1]+tex[1] )*resolution[0]+tex[0] );pixelweight[4] = (texlerp[0][0]*texlerp[0][1]*texlerp[1][2]); + pixelindex[5] = (((tex[2]+1)*resolution[1]+tex[1] )*resolution[0]+tex[0]+1);pixelweight[5] = (texlerp[1][0]*texlerp[0][1]*texlerp[1][2]); + pixelindex[6] = (((tex[2]+1)*resolution[1]+tex[1]+1)*resolution[0]+tex[0] );pixelweight[6] = (texlerp[0][0]*texlerp[1][1]*texlerp[1][2]); + pixelindex[7] = (((tex[2]+1)*resolution[1]+tex[1]+1)*resolution[0]+tex[0]+1);pixelweight[7] = (texlerp[1][0]*texlerp[1][1]*texlerp[1][2]); + // update the 8 pixels... + for (pixelband = 0;pixelband < pixelbands;pixelband++) + { + for (corner = 0;corner < 8;corner++) + { + // calculate address for pixel + w = pixelweight[corner]; + pixel = pixels + 4 * pixelindex[corner] + pixelband * pixelsperband * 4; + highpixel = highpixels + 4 * pixelindex[corner] + pixelband * pixelsperband * 4; + // add to the high precision pixel color + highpixel[0] += (splatcolor[pixelband*4+0]*w); + highpixel[1] += (splatcolor[pixelband*4+1]*w); + highpixel[2] += (splatcolor[pixelband*4+2]*w); + highpixel[3] += (splatcolor[pixelband*4+3]*w); + // flag the low precision pixel as needing to be updated + pixel[3] = 255; + // advance to next band of coefficients + //pixel += pixelsperband*4; + //highpixel += pixelsperband*4; + } + } + } + VectorAdd(steppos, stepdelta, steppos); } } - if (bouncecount >= bouncelimit) + if (cliptrace.fraction >= 1.0f) + break; + r_refdef.stats.bouncegrid_hits++; + if (bouncecount >= maxbounce) break; - // scale down shot color by bounce intensity and texture color - VectorScale(shotcolor, r_shadow_bouncegrid_particlebounceintensity.value, shotcolor); + // scale down shot color by bounce intensity and texture color (or 50% if no texture reported) + // also clamp the resulting color to never add energy, even if the user requests extreme values if (cliptrace.hittexture && cliptrace.hittexture->currentskinframe) - VectorMultiply(shotcolor, rsurface.texture->currentskinframe->avgcolor, shotcolor); - if (VectorLength2(shotcolor) < 3.0f) + VectorCopy(cliptrace.hittexture->currentskinframe->avgcolor, surfcolor); + else + VectorSet(surfcolor, 0.5f, 0.5f, 0.5f); + VectorScale(surfcolor, settings.particlebounceintensity, surfcolor); + surfcolor[0] = min(surfcolor[0], 1.0f); + surfcolor[1] = min(surfcolor[1], 1.0f); + surfcolor[2] = min(surfcolor[2], 1.0f); + VectorMultiply(shotcolor, surfcolor, shotcolor); + if (VectorLength2(baseshotcolor) == 0.0f) break; r_refdef.stats.bouncegrid_bounces++; - if (r_shadow_bouncegrid_bounceanglediffuse.integer) + if (settings.bounceanglediffuse) { // random direction, primarily along plane normal s = VectorDistance(cliptrace.endpos, clipend); - if (r_shadow_bouncegrid_stablerandom.integer < 0) + if (settings.stablerandom < 0) VectorRandom(clipend); else VectorCheeseRandom(clipend); @@ -2517,242 +2837,56 @@ static void R_Shadow_UpdateBounceGridTexture(void) } } } - if (r_shadow_bouncegridtexture && r_shadow_bouncegridresolution[0] == resolution[0] && r_shadow_bouncegridresolution[1] == resolution[1] && r_shadow_bouncegridresolution[2] == resolution[2]) - R_UpdateTexture(r_shadow_bouncegridtexture, pixels, 0, 0, 0, resolution[0], resolution[1], resolution[2]); - else + // generate pixels array from highpixels array + // skip first and last columns, rows, and layers as these are blank + // the pixel[3] value was written above, so we can use it to detect only pixels that need to be calculated + for (pixelband = 0;pixelband < pixelbands;pixelband++) { - VectorCopy(resolution, r_shadow_bouncegridresolution); - if (r_shadow_bouncegridtexture) - R_FreeTexture(r_shadow_bouncegridtexture); - r_shadow_bouncegridtexture = R_LoadTexture3D(r_shadow_texturepool, "bouncegrid", resolution[0], resolution[1], resolution[2], pixels, TEXTYPE_BGRA, TEXF_CLAMP | TEXF_ALPHA | TEXF_FORCELINEAR, 0, NULL); - } - Mem_Free(pixels); - r_shadow_bouncegridtime = realtime; -} - -#define MAXPARTICLESPERLIGHT 262144 -#define MAXLIGHTSPERDRAW 1024 - -static void R_Shadow_RenderParticlesForLight(rtlight_t *rtlight) -{ - int batchcount; - int i; - int j; - int bouncecount; - int hitsupercontentsmask; - int n; - int shotparticles; - int shootparticles = 0; - int bouncelimit; - int maxbounce; - unsigned int seed = 0; - static unsigned short bouncelight_elements[MAXLIGHTSPERDRAW*36]; - static float vertex3f[MAXLIGHTSPERDRAW*24]; - static float lightorigin4f[MAXLIGHTSPERDRAW*32]; - static float color4f[MAXLIGHTSPERDRAW*32]; - float scaledpoints[8][3]; - float *v3f; - float *lo4f; - float *c4f; - rtlight_particle_t *p; - vec_t wantparticles = 0; - vec_t s; - vec_t radius; - vec_t particlesize; - vec_t iparticlesize; -// vec3_t offset; -// vec3_t right; -// vec3_t up; - vec4_t org; - vec4_t color; - vec3_t currentcolor; - vec3_t clipstart; - vec3_t clipend; - vec3_t shotcolor; - trace_t cliptrace; - if (!rtlight->draw || !rtlight->isstatic || !r_shadow_usingdeferredprepass) - return; - if (r_shadow_particletrace.integer) - { - radius = rtlight->radius * bound(0.0001f, r_shadow_particletrace_radiusscale.value, 1.0f) - r_shadow_particletrace_size.value; - s = rtlight->radius / bound(1.0f, r_shadow_particletrace_particlespacing.value * r_shadow_particletrace_size.value, 1048576.0f); - wantparticles = s*s; - n = (int)bound(0, wantparticles, MAXPARTICLESPERLIGHT); - } - else - n = 0; - shootparticles = (int)(n * r_shadow_particletrace_updatepercentage.value); - if ((n && !rtlight->particlecache_particles) || rtlight->particlecache_maxparticles != n) - { - if (rtlight->particlecache_particles) - Mem_Free(rtlight->particlecache_particles); - rtlight->particlecache_particles = NULL; - rtlight->particlecache_numparticles = 0; - rtlight->particlecache_maxparticles = n; - rtlight->particlecache_updateparticle = 0; - if (rtlight->particlecache_maxparticles) - rtlight->particlecache_particles = Mem_Alloc(r_main_mempool, rtlight->particlecache_maxparticles * sizeof(*rtlight->particlecache_particles)); - shootparticles = n * 16; - } - - if (!rtlight->particlecache_maxparticles) - return; - -// if (rtlight->particlecache_numparticles < rtlight->particlecache_maxparticles) -// shootparticles = rtlight->particlecache_maxparticles; - -// if (rtlight->particlecache_numparticles >= rtlight->particlecache_maxparticles) -// shootparticles = 0; - - maxbounce = bound(1, r_shadow_particletrace_maxbounce.integer, 16); - //r_refdef.stats.lights_bouncelightsupdated += shootparticles; - for (shotparticles = 0;shotparticles < shootparticles;shotparticles++) - { - seed = rtlight->particlecache_updateparticle; - VectorSet(shotcolor, 1.0f, 1.0f, 1.0f); - VectorCopy(rtlight->shadoworigin, clipstart); - VectorRandom(clipend); - VectorMA(clipstart, radius, clipend, clipend); - hitsupercontentsmask = SUPERCONTENTS_SOLID | SUPERCONTENTS_LIQUIDSMASK; - bouncelimit = 1 + (rtlight->particlecache_updateparticle % maxbounce); - for (bouncecount = 0;;bouncecount++) + for (z = 1;z < resolution[2]-1;z++) { - cliptrace = CL_TraceLine(clipstart, clipend, MOVE_NOMONSTERS, NULL, hitsupercontentsmask, true, false, NULL, true); - //Collision_ClipLineToWorld(&cliptrace, cl.worldmodel, clipstart, clipend, hitsupercontentsmask); - if (cliptrace.fraction >= 1.0f) - break; - if (VectorLength2(shotcolor) < (1.0f / 262144.0f)) - break; - if (bouncecount >= bouncelimit) + for (y = 1;y < resolution[1]-1;y++) { - VectorCopy(cliptrace.endpos, rtlight->particlecache_particles[rtlight->particlecache_updateparticle].origin); - VectorCopy(shotcolor, rtlight->particlecache_particles[rtlight->particlecache_updateparticle].color); - rtlight->particlecache_updateparticle++; - if (rtlight->particlecache_numparticles < rtlight->particlecache_updateparticle) - rtlight->particlecache_numparticles = rtlight->particlecache_updateparticle; - if (rtlight->particlecache_updateparticle >= rtlight->particlecache_maxparticles) + for (x = 1, pixelindex[0] = ((pixelband*resolution[2]+z)*resolution[1]+y)*resolution[0]+x, pixel = pixels + 4*pixelindex[0], highpixel = highpixels + 4*pixelindex[0];x < resolution[0]-1;x++, pixel += 4, highpixel += 4) { - rtlight->particlecache_updateparticle = 0; - shotparticles = shootparticles; + // only convert pixels that were hit by photons + if (pixel[3] == 255) + { + // normalize the bentnormal... + if (pixelband == 1) + { + VectorNormalize(highpixel); + c[0] = (int)(highpixel[0]*128.0f+128.0f); + c[1] = (int)(highpixel[1]*128.0f+128.0f); + c[2] = (int)(highpixel[2]*128.0f+128.0f); + c[3] = (int)(highpixel[3]*128.0f+128.0f); + } + else + { + c[0] = (int)(highpixel[0]*256.0f); + c[1] = (int)(highpixel[1]*256.0f); + c[2] = (int)(highpixel[2]*256.0f); + c[3] = (int)(highpixel[3]*256.0f); + } + pixel[2] = (unsigned char)bound(0, c[0], 255); + pixel[1] = (unsigned char)bound(0, c[1], 255); + pixel[0] = (unsigned char)bound(0, c[2], 255); + pixel[3] = (unsigned char)bound(0, c[3], 255); + } } - break; } - // scale down shot color by bounce intensity and texture color - VectorScale(shotcolor, r_shadow_particletrace_bounceintensity.value, shotcolor); - if (cliptrace.hittexture && cliptrace.hittexture->currentskinframe) - VectorMultiply(shotcolor, rsurface.texture->currentskinframe->avgcolor, shotcolor); - // reflect the remaining portion of the line across plane normal - //VectorSubtract(clipend, cliptrace.endpos, clipdiff); - //VectorReflect(clipdiff, 1.0, cliptrace.plane.normal, clipend); - // random direction, primarily along plane normal - s = VectorDistance(cliptrace.endpos, clipend); - VectorRandom(clipend); - VectorMA(cliptrace.plane.normal, 0.95f, clipend, clipend); - VectorNormalize(clipend); - VectorScale(clipend, s, clipend); - // calculate the new line start and end - VectorCopy(cliptrace.endpos, clipstart); - VectorAdd(clipstart, clipend, clipend); - } - } - - if (!rtlight->particlecache_numparticles) - return; - - // render the particles as deferred lights -// do global setup needed for the chosen lighting mode - R_Shadow_RenderMode_Reset(); - r_shadow_rendermode = r_shadow_lightingrendermode; - r_shadow_usingshadowmap2d = false; - R_EntityMatrix(&identitymatrix); - GL_BlendFunc(GL_SRC_ALPHA, GL_ONE); - // only draw light where this geometry was already rendered AND the - // stencil is 128 (values other than this mean shadow) - R_SetStencil(false, 255, GL_KEEP, GL_KEEP, GL_KEEP, GL_EQUAL, 128, 255); - R_Mesh_SetRenderTargets(r_shadow_prepasslightingdiffusefbo, r_shadow_prepassgeometrydepthtexture, r_shadow_prepasslightingdiffusetexture, NULL, NULL, NULL); - R_SetupShader_DeferredBounceLight(); - GL_ColorMask(1,1,1,1); - GL_DepthMask(false); - GL_DepthRange(0, 1); - GL_PolygonOffset(0, 0); - GL_DepthTest(true); - GL_DepthFunc(GL_GREATER); - GL_CullFace(r_refdef.view.cullface_back); - s = r_shadow_particletrace_intensity.value / (float)rtlight->particlecache_numparticles; - VectorScale(rtlight->currentcolor, s, currentcolor); - particlesize = bound(0.0001f, r_shadow_particletrace_size.value, 1024.0f); - iparticlesize = 1.0f / particlesize; -// VectorScale(r_refdef.view.forward, particlesize, offset); -// VectorScale(r_refdef.view.left, -particlesize, right); -// VectorScale(r_refdef.view.up, particlesize, up); - org[3] = iparticlesize; - color[3] = 1.0f; - v3f = vertex3f; - lo4f = lightorigin4f; - c4f = color4f; - batchcount = 0; - if (!bouncelight_elements[1]) - for (i = 0;i < MAXLIGHTSPERDRAW;i++) - for (j = 0;j < 36;j++) - bouncelight_elements[i*36+j] = i*8+bboxelements[j]; - for (j = 0;j < 8;j++) - VectorScale(bboxpoints[j], particlesize, scaledpoints[j]); - //r_refdef.stats.lights_bouncelightscounted += rtlight->particlecache_numparticles; - for (j = 0, p = rtlight->particlecache_particles, n = rtlight->particlecache_numparticles;j < n;j++, p++) - { - VectorCopy(p->origin, org); - // org[3] is set above - VectorMultiply(p->color, currentcolor, color); - // color[3] is set above - VectorAdd(scaledpoints[0], org, v3f + 0); - VectorAdd(scaledpoints[1], org, v3f + 3); - VectorAdd(scaledpoints[2], org, v3f + 6); - VectorAdd(scaledpoints[3], org, v3f + 9); - VectorAdd(scaledpoints[4], org, v3f + 12); - VectorAdd(scaledpoints[5], org, v3f + 15); - VectorAdd(scaledpoints[6], org, v3f + 18); - VectorAdd(scaledpoints[7], org, v3f + 21); - Vector4Copy(org, lo4f + 0); - Vector4Copy(org, lo4f + 4); - Vector4Copy(org, lo4f + 8); - Vector4Copy(org, lo4f + 12); - Vector4Copy(org, lo4f + 16); - Vector4Copy(org, lo4f + 20); - Vector4Copy(org, lo4f + 24); - Vector4Copy(org, lo4f + 28); - Vector4Copy(color, c4f + 0); - Vector4Copy(color, c4f + 4); - Vector4Copy(color, c4f + 8); - Vector4Copy(color, c4f + 12); - Vector4Copy(color, c4f + 16); - Vector4Copy(color, c4f + 20); - Vector4Copy(color, c4f + 24); - Vector4Copy(color, c4f + 28); - v3f += 24; - lo4f += 32; - c4f += 32; - batchcount++; - if (batchcount >= MAXLIGHTSPERDRAW) - { - //r_refdef.stats.lights_bouncelightsdrawn += batchcount; - R_Mesh_PrepareVertices_BounceLight_Arrays(batchcount*8, vertex3f, color4f, lightorigin4f); - R_Mesh_Draw(0, batchcount*8, 0, batchcount*12, NULL, NULL, 0, bouncelight_elements, NULL, 0); - v3f = vertex3f; - lo4f = lightorigin4f; - c4f = color4f; - batchcount = 0; } } - if (batchcount) + if (r_shadow_bouncegridtexture && r_shadow_bouncegridresolution[0] == resolution[0] && r_shadow_bouncegridresolution[1] == resolution[1] && r_shadow_bouncegridresolution[2] == resolution[2] && r_shadow_bouncegriddirectional == settings.directionalshading) + R_UpdateTexture(r_shadow_bouncegridtexture, pixels, 0, 0, 0, resolution[0], resolution[1], resolution[2]*pixelbands); + else { - //r_refdef.stats.lights_bouncelightsdrawn += batchcount; - R_Mesh_PrepareVertices_BounceLight_Arrays(batchcount*8, vertex3f, color4f, lightorigin4f); - R_Mesh_Draw(0, batchcount*8, 0, batchcount*12, NULL, NULL, 0, bouncelight_elements, NULL, 0); - v3f = vertex3f; - lo4f = lightorigin4f; - c4f = color4f; - batchcount = 0; + VectorCopy(resolution, r_shadow_bouncegridresolution); + r_shadow_bouncegriddirectional = settings.directionalshading; + if (r_shadow_bouncegridtexture) + R_FreeTexture(r_shadow_bouncegridtexture); + r_shadow_bouncegridtexture = R_LoadTexture3D(r_shadow_texturepool, "bouncegrid", resolution[0], resolution[1], resolution[2]*pixelbands, pixels, TEXTYPE_BGRA, TEXF_CLAMP | TEXF_ALPHA | TEXF_FORCELINEAR, 0, NULL); } + r_shadow_bouncegridtime = realtime; } void R_Shadow_RenderMode_VisibleShadowVolumes(void) @@ -2810,7 +2944,7 @@ int bboxedges[12][2] = qboolean R_Shadow_ScissorForBBox(const float *mins, const float *maxs) { - if (!r_shadow_scissor.integer) + if (!r_shadow_scissor.integer || r_shadow_usingdeferredprepass || r_trippy.integer) { r_shadow_lightscissor[0] = r_refdef.view.viewport.x; r_shadow_lightscissor[1] = r_refdef.view.viewport.y; @@ -3009,12 +3143,8 @@ static void R_Shadow_RenderLighting_VisibleLighting(int texturenumsurfaces, cons static void R_Shadow_RenderLighting_Light_GLSL(int texturenumsurfaces, const msurface_t **texturesurfacelist, const vec3_t lightcolor, float ambientscale, float diffusescale, float specularscale) { // ARB2 GLSL shader path (GFFX5200, Radeon 9500) - R_SetupShader_Surface(lightcolor, false, ambientscale, diffusescale, specularscale, RSURFPASS_RTLIGHT, texturenumsurfaces, texturesurfacelist, NULL); - if (rsurface.texture->currentmaterialflags & MATERIALFLAG_ALPHATEST) - GL_DepthFunc(GL_EQUAL); + R_SetupShader_Surface(lightcolor, false, ambientscale, diffusescale, specularscale, RSURFPASS_RTLIGHT, texturenumsurfaces, texturesurfacelist, NULL, false); RSurf_DrawBatch(); - if (rsurface.texture->currentmaterialflags & MATERIALFLAG_ALPHATEST) - GL_DepthFunc(GL_LEQUAL); } static void R_Shadow_RenderLighting_Light_Vertex_Pass(int firstvertex, int numvertices, int numtriangles, const int *element3i, vec3_t diffusecolor2, vec3_t ambientcolor2) @@ -3197,29 +3327,7 @@ void R_Shadow_RenderLighting(int texturenumsurfaces, const msurface_t **textures if(negated) { VectorNegate(lightcolor, lightcolor); - switch(vid.renderpath) - { - case RENDERPATH_GL11: - case RENDERPATH_GL13: - case RENDERPATH_GL20: - case RENDERPATH_GLES2: - qglBlendEquationEXT(GL_FUNC_REVERSE_SUBTRACT_EXT); - break; - case RENDERPATH_D3D9: -#ifdef SUPPORTD3D - IDirect3DDevice9_SetRenderState(vid_d3d9dev, D3DRS_BLENDOP, D3DBLENDOP_SUBTRACT); -#endif - break; - case RENDERPATH_D3D10: - Con_DPrintf("FIXME D3D10 %s:%i %s\n", __FILE__, __LINE__, __FUNCTION__); - break; - case RENDERPATH_D3D11: - Con_DPrintf("FIXME D3D11 %s:%i %s\n", __FILE__, __LINE__, __FUNCTION__); - break; - case RENDERPATH_SOFT: - DPSOFTRAST_BlendSubtract(true); - break; - } + GL_BlendEquationSubtract(true); } RSurf_SetupDepthAndCulling(); switch (r_shadow_rendermode) @@ -3242,31 +3350,7 @@ void R_Shadow_RenderLighting(int texturenumsurfaces, const msurface_t **textures break; } if(negated) - { - switch(vid.renderpath) - { - case RENDERPATH_GL11: - case RENDERPATH_GL13: - case RENDERPATH_GL20: - case RENDERPATH_GLES2: - qglBlendEquationEXT(GL_FUNC_ADD_EXT); - break; - case RENDERPATH_D3D9: -#ifdef SUPPORTD3D - IDirect3DDevice9_SetRenderState(vid_d3d9dev, D3DRS_BLENDOP, D3DBLENDOP_ADD); -#endif - break; - case RENDERPATH_D3D10: - Con_DPrintf("FIXME D3D10 %s:%i %s\n", __FILE__, __LINE__, __FUNCTION__); - break; - case RENDERPATH_D3D11: - Con_DPrintf("FIXME D3D11 %s:%i %s\n", __FILE__, __LINE__, __FUNCTION__); - break; - case RENDERPATH_SOFT: - DPSOFTRAST_BlendSubtract(false); - break; - } - } + GL_BlendEquationSubtract(false); } void R_RTLight_Update(rtlight_t *rtlight, int isstatic, matrix4x4_t *matrix, vec3_t color, int style, const char *cubemapname, int shadow, vec_t corona, vec_t coronasizescale, vec_t ambientscale, vec_t diffusescale, vec_t specularscale, int flags) @@ -3472,6 +3556,9 @@ void R_Shadow_ComputeShadowCasterCullingPlanes(rtlight_t *rtlight) // can hold rtlight->cached_numfrustumplanes = 0; + if (r_trippy.integer) + return; + // haven't implemented a culling path for ortho rendering if (!r_refdef.view.useperspective) { @@ -4270,9 +4357,6 @@ void R_Shadow_DrawLight(rtlight_t *rtlight) else R_Shadow_RenderMode_DrawDeferredLight(false, false); } - - if (r_shadow_particletrace.integer) - R_Shadow_RenderParticlesForLight(rtlight); } static void R_Shadow_FreeDeferred(void) @@ -4382,7 +4466,7 @@ void R_Shadow_DrawPrepass(void) if (r_refdef.scene.lights[lnum]->draw) R_Shadow_DrawLight(r_refdef.scene.lights[lnum]); - R_Mesh_ResetRenderTargets(); + R_Mesh_SetMainRenderTargets(); R_Shadow_RenderMode_End(); @@ -4504,8 +4588,9 @@ void R_Shadow_PrepareLights(void) } } break; - case RENDERPATH_GL13: case RENDERPATH_GL11: + case RENDERPATH_GL13: + case RENDERPATH_GLES1: r_shadow_usingdeferredprepass = false; break; } @@ -4513,22 +4598,25 @@ void R_Shadow_PrepareLights(void) R_Shadow_EnlargeLeafSurfaceTrisBuffer(r_refdef.scene.worldmodel->brush.num_leafs, r_refdef.scene.worldmodel->num_surfaces, r_refdef.scene.worldmodel->brush.shadowmesh ? r_refdef.scene.worldmodel->brush.shadowmesh->numtriangles : r_refdef.scene.worldmodel->surfmesh.num_triangles, r_refdef.scene.worldmodel->surfmesh.num_triangles); flag = r_refdef.scene.rtworld ? LIGHTFLAG_REALTIMEMODE : LIGHTFLAG_NORMALMODE; - if (r_shadow_debuglight.integer >= 0) + if (r_shadow_bouncegrid.integer != 2) { - lightindex = r_shadow_debuglight.integer; - light = (dlight_t *) Mem_ExpandableArray_RecordAtIndex(&r_shadow_worldlightsarray, lightindex); - if (light && (light->flags & flag)) - R_Shadow_PrepareLight(&light->rtlight); - } - else - { - range = Mem_ExpandableArray_IndexRange(&r_shadow_worldlightsarray); // checked - for (lightindex = 0;lightindex < range;lightindex++) + if (r_shadow_debuglight.integer >= 0) { + lightindex = r_shadow_debuglight.integer; light = (dlight_t *) Mem_ExpandableArray_RecordAtIndex(&r_shadow_worldlightsarray, lightindex); - if (light && (light->flags & flag)) + if (light) R_Shadow_PrepareLight(&light->rtlight); } + else + { + range = Mem_ExpandableArray_IndexRange(&r_shadow_worldlightsarray); // checked + for (lightindex = 0;lightindex < range;lightindex++) + { + light = (dlight_t *) Mem_ExpandableArray_RecordAtIndex(&r_shadow_worldlightsarray, lightindex); + if (light && (light->flags & flag)) + R_Shadow_PrepareLight(&light->rtlight); + } + } } if (r_refdef.scene.rtdlight) { @@ -4547,8 +4635,6 @@ void R_Shadow_PrepareLights(void) if (r_editlights.integer) R_Shadow_DrawLightSprites(); - - R_Shadow_UpdateBounceGridTexture(); } void R_Shadow_DrawLights(void) @@ -4561,23 +4647,26 @@ void R_Shadow_DrawLights(void) R_Shadow_RenderMode_Begin(); - flag = r_refdef.scene.rtworld ? LIGHTFLAG_REALTIMEMODE : LIGHTFLAG_NORMALMODE; - if (r_shadow_debuglight.integer >= 0) + if (r_shadow_bouncegrid.integer != 2) { - lightindex = r_shadow_debuglight.integer; - light = (dlight_t *) Mem_ExpandableArray_RecordAtIndex(&r_shadow_worldlightsarray, lightindex); - if (light && (light->flags & flag)) - R_Shadow_DrawLight(&light->rtlight); - } - else - { - range = Mem_ExpandableArray_IndexRange(&r_shadow_worldlightsarray); // checked - for (lightindex = 0;lightindex < range;lightindex++) + flag = r_refdef.scene.rtworld ? LIGHTFLAG_REALTIMEMODE : LIGHTFLAG_NORMALMODE; + if (r_shadow_debuglight.integer >= 0) { + lightindex = r_shadow_debuglight.integer; light = (dlight_t *) Mem_ExpandableArray_RecordAtIndex(&r_shadow_worldlightsarray, lightindex); - if (light && (light->flags & flag)) + if (light) R_Shadow_DrawLight(&light->rtlight); } + else + { + range = Mem_ExpandableArray_IndexRange(&r_shadow_worldlightsarray); // checked + for (lightindex = 0;lightindex < range;lightindex++) + { + light = (dlight_t *) Mem_ExpandableArray_RecordAtIndex(&r_shadow_worldlightsarray, lightindex); + if (light && (light->flags & flag)) + R_Shadow_DrawLight(&light->rtlight); + } + } } if (r_refdef.scene.rtdlight) for (lnum = 0;lnum < r_refdef.scene.numlights;lnum++) @@ -4754,7 +4843,7 @@ void R_DrawModelShadowMaps(void) VectorMA(shadoworigin, (1.0f - fabs(dot1)) * radius, shadowforward, shadoworigin); R_Mesh_SetRenderTargets(fbo, r_shadow_shadowmap2dtexture, r_shadow_shadowmap2dcolortexture, NULL, NULL, NULL); - R_SetupShader_DepthOrShadow(); + R_SetupShader_DepthOrShadow(true); GL_PolygonOffset(r_shadow_shadowmapping_polygonfactor.value, r_shadow_shadowmapping_polygonoffset.value); GL_DepthMask(true); GL_DepthTest(true); @@ -4774,8 +4863,8 @@ void R_DrawModelShadowMaps(void) #if 0 // debugging - R_Mesh_ResetRenderTargets(); - R_SetupShader_ShowDepth(); + R_Mesh_SetMainRenderTargets(); + R_SetupShader_ShowDepth(true); GL_ColorMask(1,1,1,1); GL_Clear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT, clearcolor, 1.0f, 0); #endif @@ -4832,6 +4921,7 @@ void R_DrawModelShadowMaps(void) case RENDERPATH_GL13: case RENDERPATH_GL20: case RENDERPATH_SOFT: + case RENDERPATH_GLES1: case RENDERPATH_GLES2: break; case RENDERPATH_D3D9: @@ -4975,7 +5065,7 @@ void R_DrawModelShadows(void) // apply the blend to the shadowed areas R_Mesh_PrepareVertices_Generic_Arrays(4, r_screenvertex3f, NULL, NULL); - R_SetupShader_Generic(NULL, NULL, GL_MODULATE, 1); + R_SetupShader_Generic(NULL, NULL, GL_MODULATE, 1, true); R_Mesh_Draw(0, 4, 0, 2, polygonelement3i, NULL, 0, polygonelement3s, NULL, 0); // restore the viewport @@ -5005,9 +5095,10 @@ void R_BeginCoronaQuery(rtlight_t *rtlight, float scale, qboolean usequery) switch(vid.renderpath) { - case RENDERPATH_GL20: - case RENDERPATH_GL13: case RENDERPATH_GL11: + case RENDERPATH_GL13: + case RENDERPATH_GL20: + case RENDERPATH_GLES1: case RENDERPATH_GLES2: CHECKGLERROR // NOTE: GL_DEPTH_TEST must be enabled or ATI won't count samples, so use GL_DepthFunc instead @@ -5053,9 +5144,10 @@ void R_DrawCorona(rtlight_t *rtlight, float cscale, float scale) { switch(vid.renderpath) { - case RENDERPATH_GL20: - case RENDERPATH_GL13: case RENDERPATH_GL11: + case RENDERPATH_GL13: + case RENDERPATH_GL20: + case RENDERPATH_GLES1: case RENDERPATH_GLES2: CHECKGLERROR qglGetQueryObjectivARB(rtlight->corona_queryindex_visiblepixels, GL_QUERY_RESULT_ARB, &visiblepixels); @@ -5084,7 +5176,7 @@ void R_DrawCorona(rtlight_t *rtlight, float cscale, float scale) else { // FIXME: these traces should scan all render entities instead of cl.world - if (CL_TraceLine(r_refdef.view.origin, rtlight->shadoworigin, MOVE_NOMONSTERS, NULL, SUPERCONTENTS_SOLID, true, false, NULL, false).fraction < 1) + if (CL_TraceLine(r_refdef.view.origin, rtlight->shadoworigin, MOVE_NOMONSTERS, NULL, SUPERCONTENTS_SOLID, true, false, NULL, false, true).fraction < 1) return; } VectorScale(rtlight->currentcolor, cscale, color); @@ -5095,59 +5187,13 @@ void R_DrawCorona(rtlight_t *rtlight, float cscale, float scale) if(negated) { VectorNegate(color, color); - switch(vid.renderpath) - { - case RENDERPATH_GL11: - case RENDERPATH_GL13: - case RENDERPATH_GL20: - case RENDERPATH_GLES2: - qglBlendEquationEXT(GL_FUNC_REVERSE_SUBTRACT_EXT); - break; - case RENDERPATH_D3D9: -#ifdef SUPPORTD3D - IDirect3DDevice9_SetRenderState(vid_d3d9dev, D3DRS_BLENDOP, D3DBLENDOP_SUBTRACT); -#endif - break; - case RENDERPATH_D3D10: - Con_DPrintf("FIXME D3D10 %s:%i %s\n", __FILE__, __LINE__, __FUNCTION__); - break; - case RENDERPATH_D3D11: - Con_DPrintf("FIXME D3D11 %s:%i %s\n", __FILE__, __LINE__, __FUNCTION__); - break; - case RENDERPATH_SOFT: - DPSOFTRAST_BlendSubtract(true); - break; - } + GL_BlendEquationSubtract(true); } R_CalcSprite_Vertex3f(vertex3f, rtlight->shadoworigin, r_refdef.view.right, r_refdef.view.up, scale, -scale, -scale, scale); RSurf_ActiveCustomEntity(&identitymatrix, &identitymatrix, RENDER_NODEPTHTEST, 0, color[0], color[1], color[2], 1, 4, vertex3f, spritetexcoord2f, NULL, NULL, NULL, NULL, 2, polygonelement3i, polygonelement3s, false, false); R_DrawCustomSurface(r_shadow_lightcorona, &identitymatrix, MATERIALFLAG_ADD | MATERIALFLAG_BLENDED | MATERIALFLAG_FULLBRIGHT | MATERIALFLAG_NOCULLFACE, 0, 4, 0, 2, false, false); if(negated) - { - switch(vid.renderpath) - { - case RENDERPATH_GL11: - case RENDERPATH_GL13: - case RENDERPATH_GL20: - case RENDERPATH_GLES2: - qglBlendEquationEXT(GL_FUNC_ADD_EXT); - break; - case RENDERPATH_D3D9: -#ifdef SUPPORTD3D - IDirect3DDevice9_SetRenderState(vid_d3d9dev, D3DRS_BLENDOP, D3DBLENDOP_ADD); -#endif - break; - case RENDERPATH_D3D10: - Con_DPrintf("FIXME D3D10 %s:%i %s\n", __FILE__, __LINE__, __FUNCTION__); - break; - case RENDERPATH_D3D11: - Con_DPrintf("FIXME D3D11 %s:%i %s\n", __FILE__, __LINE__, __FUNCTION__); - break; - case RENDERPATH_SOFT: - DPSOFTRAST_BlendSubtract(false); - break; - } - } + GL_BlendEquationSubtract(false); } } @@ -5177,6 +5223,7 @@ void R_Shadow_DrawCoronas(void) case RENDERPATH_GL11: case RENDERPATH_GL13: case RENDERPATH_GL20: + case RENDERPATH_GLES1: case RENDERPATH_GLES2: usequery = vid.support.arb_occlusion_query && r_coronas_occlusionquery.integer; if (usequery) @@ -5200,7 +5247,7 @@ void R_Shadow_DrawCoronas(void) GL_PolygonOffset(0, 0); GL_DepthTest(true); R_Mesh_ResetTextureState(); - R_SetupShader_Generic(NULL, NULL, GL_MODULATE, 1); + R_SetupShader_Generic(NULL, NULL, GL_MODULATE, 1, false); } break; case RENDERPATH_D3D9: @@ -5462,7 +5509,7 @@ void R_Shadow_SelectLightInView(void) if (rating >= 0.95) { rating /= (1 + 0.0625f * sqrt(DotProduct(temp, temp))); - if (bestrating < rating && CL_TraceLine(light->origin, r_refdef.view.origin, MOVE_NOMONSTERS, NULL, SUPERCONTENTS_SOLID, true, false, NULL, false).fraction == 1.0f) + if (bestrating < rating && CL_TraceLine(light->origin, r_refdef.view.origin, MOVE_NOMONSTERS, NULL, SUPERCONTENTS_SOLID, true, false, NULL, false, true).fraction == 1.0f) { bestrating = rating; best = light; @@ -5911,7 +5958,7 @@ void R_Shadow_SetCursorLocationForView(void) vec3_t dest, endpos; trace_t trace; VectorMA(r_refdef.view.origin, r_editlights_cursordistance.value, r_refdef.view.forward, dest); - trace = CL_TraceLine(r_refdef.view.origin, dest, MOVE_NOMONSTERS, NULL, SUPERCONTENTS_SOLID, true, false, NULL, false); + trace = CL_TraceLine(r_refdef.view.origin, dest, MOVE_NOMONSTERS, NULL, SUPERCONTENTS_SOLID, true, false, NULL, false, true); if (trace.fraction < 1) { dist = trace.fraction * r_editlights_cursordistance.value; @@ -6043,6 +6090,17 @@ void R_Shadow_EditLights_Edit_f(void) origin[1] = atof(Cmd_Argv(3)); origin[2] = atof(Cmd_Argv(4)); } + else if (!strcmp(Cmd_Argv(1), "originscale")) + { + if (Cmd_Argc() != 5) + { + Con_Printf("usage: r_editlights_edit %s x y z\n", Cmd_Argv(1)); + return; + } + origin[0] *= atof(Cmd_Argv(2)); + origin[1] *= atof(Cmd_Argv(3)); + origin[2] *= atof(Cmd_Argv(4)); + } else if (!strcmp(Cmd_Argv(1), "originx")) { if (Cmd_Argc() != 3) @@ -6474,6 +6532,7 @@ void R_Shadow_EditLights_Help_f(void) "colorscale r g b : multiply color of light (1 1 1 does nothing)\n" "radiusscale scale : multiply radius (size) of light (1 does nothing)\n" "sizescale scale : multiply radius (size) of light (1 does nothing)\n" +"originscale x y z : multiply origin of light (1 1 1 does nothing)\n" "style style : set lightstyle of light (flickering patterns, switches, etc)\n" "cubemap basename : set filter cubemap of light (not yet supported)\n" "shadows 1/0 : turn on/off shadows\n" @@ -6587,6 +6646,87 @@ LIGHT SAMPLING ============================================================================= */ +void R_LightPoint(vec3_t color, const vec3_t p, const int flags) +{ + 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 = 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, 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, 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; @@ -6609,20 +6749,22 @@ void R_CompleteLightPoint(vec3_t ambient, vec3_t diffuse, vec3_t lightdir, const return; } - 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->brush.LightPoint) + 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); + 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->brush.LightPoint) + if ((flags & LP_LIGHTMAP) && r_refdef.scene.worldmodel && r_refdef.scene.worldmodel->lit && r_refdef.scene.worldmodel->brush.LightPoint) { vec3_t tempambient; VectorClear(tempambient); @@ -6663,7 +6805,7 @@ void R_CompleteLightPoint(vec3_t ambient, vec3_t diffuse, vec3_t lightdir, const intensity = min(1.0f, (1.0f - dist) * r_shadow_lightattenuationlinearscale.value / (r_shadow_lightattenuationdividebias.value + dist*dist)) * r_shadow_lightintensityscale.value; if (intensity <= 0.0f) continue; - if (light->shadow && CL_TraceLine(p, light->shadoworigin, MOVE_NOMONSTERS, NULL, SUPERCONTENTS_SOLID, true, false, NULL, false).fraction < 1) + if (light->shadow && CL_TraceLine(p, light->shadoworigin, MOVE_NOMONSTERS, NULL, SUPERCONTENTS_SOLID, true, false, NULL, false, true).fraction < 1) continue; // scale down intensity to add to both ambient and diffuse //intensity *= 0.5f; @@ -6695,7 +6837,7 @@ void R_CompleteLightPoint(vec3_t ambient, vec3_t diffuse, vec3_t lightdir, const intensity = (1.0f - dist) * r_shadow_lightattenuationlinearscale.value / (r_shadow_lightattenuationdividebias.value + dist*dist) * r_shadow_lightintensityscale.value; if (intensity <= 0.0f) continue; - if (light->shadow && CL_TraceLine(p, light->shadoworigin, MOVE_NOMONSTERS, NULL, SUPERCONTENTS_SOLID, true, false, NULL, false).fraction < 1) + if (light->shadow && CL_TraceLine(p, light->shadoworigin, MOVE_NOMONSTERS, NULL, SUPERCONTENTS_SOLID, true, false, NULL, false, true).fraction < 1) continue; // scale down intensity to add to both ambient and diffuse //intensity *= 0.5f;