/* =========================================================================== Doom 3 BFG Edition GPL Source Code Copyright (C) 1993-2012 id Software LLC, a ZeniMax Media company. This file is part of the Doom 3 BFG Edition GPL Source Code ("Doom 3 BFG Edition Source Code"). Doom 3 BFG Edition Source Code is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version. Doom 3 BFG Edition Source Code is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with Doom 3 BFG Edition Source Code. If not, see . In addition, the Doom 3 BFG Edition Source Code is also subject to certain additional terms. You should have received a copy of these additional terms immediately following the terms and conditions of the GNU General Public License which accompanied the Doom 3 BFG Edition Source Code. If not, please request a copy in writing from id Software at the address below. If you have questions concerning this license or the applicable additional terms, you may contact in writing id Software LLC, c/o ZeniMax Media Inc., Suite 120, Rockville, Maryland 20850 USA. =========================================================================== */ #pragma hdrstop #include "../idlib/precompiled.h" #include "tr_local.h" #include "Model_local.h" idCVar r_skipStaticShadows( "r_skipStaticShadows", "0", CVAR_RENDERER | CVAR_BOOL, "skip static shadows" ); idCVar r_skipDynamicShadows( "r_skipDynamicShadows", "0", CVAR_RENDERER | CVAR_BOOL, "skip dynamic shadows" ); idCVar r_useParallelAddModels( "r_useParallelAddModels", "1", CVAR_RENDERER | CVAR_BOOL, "add all models in parallel with jobs" ); idCVar r_useParallelAddShadows( "r_useParallelAddShadows", "1", CVAR_RENDERER | CVAR_INTEGER, "0 = off, 1 = threaded", 0, 1 ); idCVar r_useShadowPreciseInsideTest( "r_useShadowPreciseInsideTest", "1", CVAR_RENDERER | CVAR_BOOL, "use a precise and more expensive test to determine whether the view is inside a shadow volume" ); idCVar r_cullDynamicShadowTriangles( "r_cullDynamicShadowTriangles", "1", CVAR_RENDERER | CVAR_BOOL, "cull occluder triangles that are outside the light frustum so they do not contribute to the dynamic shadow volume" ); idCVar r_cullDynamicLightTriangles( "r_cullDynamicLightTriangles", "1", CVAR_RENDERER | CVAR_BOOL, "cull surface triangles that are outside the light frustum so they do not get rendered for interactions" ); idCVar r_forceShadowCaps( "r_forceShadowCaps", "0", CVAR_RENDERER | CVAR_BOOL, "0 = skip rendering shadow caps if view is outside shadow volume, 1 = always render shadow caps" ); static const float CHECK_BOUNDS_EPSILON = 1.0f; /* ================== R_SortViewEntities ================== */ viewEntity_t* R_SortViewEntities( viewEntity_t* vEntities ) { SCOPED_PROFILE_EVENT( "R_SortViewEntities" ); // We want to avoid having a single AddModel for something complex be // the last thing processed and hurt the parallel occupancy, so // sort dynamic models first, _area models second, then everything else. viewEntity_t* dynamics = NULL; viewEntity_t* areas = NULL; viewEntity_t* others = NULL; for( viewEntity_t* vEntity = vEntities; vEntity != NULL; ) { viewEntity_t* next = vEntity->next; const idRenderModel* model = vEntity->entityDef->parms.hModel; if( model->IsDynamicModel() != DM_STATIC ) { vEntity->next = dynamics; dynamics = vEntity; } else if( model->IsStaticWorldModel() ) { vEntity->next = areas; areas = vEntity; } else { vEntity->next = others; others = vEntity; } vEntity = next; } // concatenate the lists viewEntity_t* all = others; for( viewEntity_t* vEntity = areas; vEntity != NULL; ) { viewEntity_t* next = vEntity->next; vEntity->next = all; all = vEntity; vEntity = next; } for( viewEntity_t* vEntity = dynamics; vEntity != NULL; ) { viewEntity_t* next = vEntity->next; vEntity->next = all; all = vEntity; vEntity = next; } return all; } /* ================== R_ClearEntityDefDynamicModel If we know the reference bounds stays the same, we only need to do this on entity update, not the full R_FreeEntityDefDerivedData ================== */ void R_ClearEntityDefDynamicModel( idRenderEntityLocal* def ) { // free all the interaction surfaces for( idInteraction* inter = def->firstInteraction; inter != NULL && !inter->IsEmpty(); inter = inter->entityNext ) { inter->FreeSurfaces(); } // clear the dynamic model if present if( def->dynamicModel ) { // this is copied from cachedDynamicModel, so it doesn't need to be freed def->dynamicModel = NULL; } def->dynamicModelFrameCount = 0; } /* ================== R_IssueEntityDefCallback ================== */ bool R_IssueEntityDefCallback( idRenderEntityLocal* def ) { idBounds oldBounds = def->localReferenceBounds; def->archived = false; // will need to be written to the demo file bool update; if( tr.viewDef != NULL ) { update = def->parms.callback( &def->parms, &tr.viewDef->renderView ); } else { update = def->parms.callback( &def->parms, NULL ); } tr.pc.c_entityDefCallbacks++; if( def->parms.hModel == NULL ) { common->Error( "R_IssueEntityDefCallback: dynamic entity callback didn't set model" ); } if( r_checkBounds.GetBool() ) { if( oldBounds[0][0] > def->localReferenceBounds[0][0] + CHECK_BOUNDS_EPSILON || oldBounds[0][1] > def->localReferenceBounds[0][1] + CHECK_BOUNDS_EPSILON || oldBounds[0][2] > def->localReferenceBounds[0][2] + CHECK_BOUNDS_EPSILON || oldBounds[1][0] < def->localReferenceBounds[1][0] - CHECK_BOUNDS_EPSILON || oldBounds[1][1] < def->localReferenceBounds[1][1] - CHECK_BOUNDS_EPSILON || oldBounds[1][2] < def->localReferenceBounds[1][2] - CHECK_BOUNDS_EPSILON ) { common->Printf( "entity %i callback extended reference bounds\n", def->index ); } } return update; } /* =================== R_EntityDefDynamicModel This is also called by the game code for idRenderWorldLocal::ModelTrace(), and idRenderWorldLocal::Trace() which is bad for performance... Issues a deferred entity callback if necessary. If the model isn't dynamic, it returns the original. Returns the cached dynamic model if present, otherwise creates it. =================== */ idRenderModel* R_EntityDefDynamicModel( idRenderEntityLocal* def ) { if( def->dynamicModelFrameCount == tr.frameCount ) { return def->dynamicModel; } // allow deferred entities to construct themselves bool callbackUpdate; if( def->parms.callback != NULL ) { SCOPED_PROFILE_EVENT( "R_IssueEntityDefCallback" ); callbackUpdate = R_IssueEntityDefCallback( def ); } else { callbackUpdate = false; } idRenderModel* model = def->parms.hModel; if( model == NULL ) { common->Error( "R_EntityDefDynamicModel: NULL model" ); return NULL; } if( model->IsDynamicModel() == DM_STATIC ) { def->dynamicModel = NULL; def->dynamicModelFrameCount = 0; return model; } // continously animating models (particle systems, etc) will have their snapshot updated every single view if( callbackUpdate || ( model->IsDynamicModel() == DM_CONTINUOUS && def->dynamicModelFrameCount != tr.frameCount ) ) { R_ClearEntityDefDynamicModel( def ); } // if we don't have a snapshot of the dynamic model, generate it now if( def->dynamicModel == NULL ) { SCOPED_PROFILE_EVENT( "InstantiateDynamicModel" ); // instantiate the snapshot of the dynamic model, possibly reusing memory from the cached snapshot def->cachedDynamicModel = model->InstantiateDynamicModel( &def->parms, tr.viewDef, def->cachedDynamicModel ); if( def->cachedDynamicModel != NULL && r_checkBounds.GetBool() ) { idBounds b = def->cachedDynamicModel->Bounds(); if( b[0][0] < def->localReferenceBounds[0][0] - CHECK_BOUNDS_EPSILON || b[0][1] < def->localReferenceBounds[0][1] - CHECK_BOUNDS_EPSILON || b[0][2] < def->localReferenceBounds[0][2] - CHECK_BOUNDS_EPSILON || b[1][0] > def->localReferenceBounds[1][0] + CHECK_BOUNDS_EPSILON || b[1][1] > def->localReferenceBounds[1][1] + CHECK_BOUNDS_EPSILON || b[1][2] > def->localReferenceBounds[1][2] + CHECK_BOUNDS_EPSILON ) { common->Printf( "entity %i dynamic model exceeded reference bounds\n", def->index ); } } def->dynamicModel = def->cachedDynamicModel; def->dynamicModelFrameCount = tr.frameCount; } // set model depth hack value if( def->dynamicModel != NULL && model->DepthHack() != 0.0f && tr.viewDef != NULL ) { idPlane eye, clip; idVec3 ndc; R_TransformModelToClip( def->parms.origin, tr.viewDef->worldSpace.modelViewMatrix, tr.viewDef->projectionMatrix, eye, clip ); R_TransformClipToDevice( clip, ndc ); def->parms.modelDepthHack = model->DepthHack() * ( 1.0f - ndc.z ); } else { def->parms.modelDepthHack = 0.0f; } return def->dynamicModel; } /* =================== R_SetupDrawSurfShader =================== */ void R_SetupDrawSurfShader( drawSurf_t* drawSurf, const idMaterial* shader, const renderEntity_t* renderEntity ) { drawSurf->material = shader; drawSurf->sort = shader->GetSort(); // process the shader expressions for conditionals / color / texcoords const float* constRegs = shader->ConstantRegisters(); if( likely( constRegs != NULL ) ) { // shader only uses constant values drawSurf->shaderRegisters = constRegs; } else { // by default evaluate with the entityDef's shader parms const float* shaderParms = renderEntity->shaderParms; // a reference shader will take the calculated stage color value from another shader // and use that for the parm0-parm3 of the current shader, which allows a stage of // a light model and light flares to pick up different flashing tables from // different light shaders float generatedShaderParms[MAX_ENTITY_SHADER_PARMS]; if( unlikely( renderEntity->referenceShader != NULL ) ) { // evaluate the reference shader to find our shader parms float refRegs[MAX_EXPRESSION_REGISTERS]; renderEntity->referenceShader->EvaluateRegisters( refRegs, renderEntity->shaderParms, tr.viewDef->renderView.shaderParms, tr.viewDef->renderView.time[renderEntity->timeGroup] * 0.001f, renderEntity->referenceSound ); const shaderStage_t* pStage = renderEntity->referenceShader->GetStage( 0 ); memcpy( generatedShaderParms, renderEntity->shaderParms, sizeof( generatedShaderParms ) ); generatedShaderParms[0] = refRegs[ pStage->color.registers[0] ]; generatedShaderParms[1] = refRegs[ pStage->color.registers[1] ]; generatedShaderParms[2] = refRegs[ pStage->color.registers[2] ]; shaderParms = generatedShaderParms; } // allocte frame memory for the shader register values float* regs = ( float* )R_FrameAlloc( shader->GetNumRegisters() * sizeof( float ), FRAME_ALLOC_SHADER_REGISTER ); drawSurf->shaderRegisters = regs; // process the shader expressions for conditionals / color / texcoords shader->EvaluateRegisters( regs, shaderParms, tr.viewDef->renderView.shaderParms, tr.viewDef->renderView.time[renderEntity->timeGroup] * 0.001f, renderEntity->referenceSound ); } } /* =================== R_SetupDrawSurfJoints =================== */ void R_SetupDrawSurfJoints( drawSurf_t* drawSurf, const srfTriangles_t* tri, const idMaterial* shader ) { if( tri->staticModelWithJoints == NULL || !r_useGPUSkinning.GetBool() ) { drawSurf->jointCache = 0; return; } idRenderModelStatic* model = tri->staticModelWithJoints; assert( model->jointsInverted != NULL ); if( !vertexCache.CacheIsCurrent( model->jointsInvertedBuffer ) ) { const int alignment = glConfig.uniformBufferOffsetAlignment; model->jointsInvertedBuffer = vertexCache.AllocJoint( model->jointsInverted, ALIGN( model->numInvertedJoints * sizeof( idJointMat ), alignment ) ); } drawSurf->jointCache = model->jointsInvertedBuffer; } /* =================== R_AddSingleModel May be run in parallel. Here is where dynamic models actually get instantiated, and necessary interaction surfaces get created. This is all done on a sort-by-model basis to keep source data in cache (most likely L2) as any interactions and shadows are generated, since dynamic models will typically be lit by two or more lights. =================== */ void R_AddSingleModel( viewEntity_t* vEntity ) { // we will add all interaction surfs here, to be chained to the lights in later serial code vEntity->drawSurfs = NULL; vEntity->staticShadowVolumes = NULL; vEntity->dynamicShadowVolumes = NULL; // globals we really should pass in... const viewDef_t* viewDef = tr.viewDef; idRenderEntityLocal* entityDef = vEntity->entityDef; const renderEntity_t* renderEntity = &entityDef->parms; const idRenderWorldLocal* world = entityDef->world; if( viewDef->isXraySubview && entityDef->parms.xrayIndex == 1 ) { return; } else if( !viewDef->isXraySubview && entityDef->parms.xrayIndex == 2 ) { return; } SCOPED_PROFILE_EVENT( renderEntity->hModel == NULL ? "Unknown Model" : renderEntity->hModel->Name() ); // calculate the znear for testing whether or not the view is inside a shadow projection const float znear = ( viewDef->renderView.cramZNear ) ? ( r_znear.GetFloat() * 0.25f ) : r_znear.GetFloat(); // if the entity wasn't seen through a portal chain, it was added just for light shadows const bool modelIsVisible = !vEntity->scissorRect.IsEmpty(); const bool addInteractions = modelIsVisible && ( !viewDef->isXraySubview || entityDef->parms.xrayIndex == 2 ); const int entityIndex = entityDef->index; //--------------------------- // Find which of the visible lights contact this entity // // If the entity doesn't accept light or cast shadows from any surface, // this can be skipped. // // OPTIMIZE: world areas can assume all referenced lights are used //--------------------------- int numContactedLights = 0; static const int MAX_CONTACTED_LIGHTS = 128; viewLight_t* contactedLights[MAX_CONTACTED_LIGHTS]; idInteraction* staticInteractions[MAX_CONTACTED_LIGHTS]; if( renderEntity->hModel == NULL || renderEntity->hModel->ModelHasInteractingSurfaces() || renderEntity->hModel->ModelHasShadowCastingSurfaces() ) { SCOPED_PROFILE_EVENT( "Find lights" ); for( viewLight_t* vLight = viewDef->viewLights; vLight != NULL; vLight = vLight->next ) { if( vLight->scissorRect.IsEmpty() ) { continue; } if( vLight->entityInteractionState != NULL ) { // new code path, everything was done in AddLight if( vLight->entityInteractionState[entityIndex] == viewLight_t::INTERACTION_YES ) { contactedLights[numContactedLights] = vLight; staticInteractions[numContactedLights] = world->interactionTable[vLight->lightDef->index * world->interactionTableWidth + entityIndex]; if( ++numContactedLights == MAX_CONTACTED_LIGHTS ) { break; } } continue; } const idRenderLightLocal* lightDef = vLight->lightDef; if( !lightDef->globalLightBounds.IntersectsBounds( entityDef->globalReferenceBounds ) ) { continue; } if( R_CullModelBoundsToLight( lightDef, entityDef->localReferenceBounds, entityDef->modelRenderMatrix ) ) { continue; } if( !modelIsVisible ) { // some lights have their center of projection outside the world if( lightDef->areaNum != -1 ) { // if no part of the model is in an area that is connected to // the light center (it is behind a solid, closed door), we can ignore it bool areasConnected = false; for( areaReference_t* ref = entityDef->entityRefs; ref != NULL; ref = ref->ownerNext ) { if( world->AreasAreConnected( lightDef->areaNum, ref->area->areaNum, PS_BLOCK_VIEW ) ) { areasConnected = true; break; } } if( areasConnected == false ) { // can't possibly be seen or shadowed continue; } } // check more precisely for shadow visibility idBounds shadowBounds; R_ShadowBounds( entityDef->globalReferenceBounds, lightDef->globalLightBounds, lightDef->globalLightOrigin, shadowBounds ); // this doesn't say that the shadow can't effect anything, only that it can't // effect anything in the view if( idRenderMatrix::CullBoundsToMVP( viewDef->worldSpace.mvp, shadowBounds ) ) { continue; } } contactedLights[numContactedLights] = vLight; staticInteractions[numContactedLights] = world->interactionTable[vLight->lightDef->index * world->interactionTableWidth + entityIndex]; if( ++numContactedLights == MAX_CONTACTED_LIGHTS ) { break; } } } // if we aren't visible and none of the shadows stretch into the view, // we don't need to do anything else if( !modelIsVisible && numContactedLights == 0 ) { return; } //--------------------------- // create a dynamic model if the geometry isn't static //--------------------------- idRenderModel* model = R_EntityDefDynamicModel( entityDef ); if( model == NULL || model->NumSurfaces() <= 0 ) { return; } // add the lightweight blood decal surfaces if the model is directly visible if( modelIsVisible ) { assert( !vEntity->scissorRect.IsEmpty() ); if( entityDef->decals != NULL && !r_skipDecals.GetBool() ) { entityDef->decals->CreateDeferredDecals( model ); unsigned int numDrawSurfs = entityDef->decals->GetNumDecalDrawSurfs(); for( unsigned int i = 0; i < numDrawSurfs; i++ ) { drawSurf_t* decalDrawSurf = entityDef->decals->CreateDecalDrawSurf( vEntity, i ); if( decalDrawSurf != NULL ) { decalDrawSurf->linkChain = NULL; decalDrawSurf->nextOnLight = vEntity->drawSurfs; vEntity->drawSurfs = decalDrawSurf; } } } if( entityDef->overlays != NULL && !r_skipOverlays.GetBool() ) { entityDef->overlays->CreateDeferredOverlays( model ); unsigned int numDrawSurfs = entityDef->overlays->GetNumOverlayDrawSurfs(); for( unsigned int i = 0; i < numDrawSurfs; i++ ) { drawSurf_t* overlayDrawSurf = entityDef->overlays->CreateOverlayDrawSurf( vEntity, model, i ); if( overlayDrawSurf != NULL ) { overlayDrawSurf->linkChain = NULL; overlayDrawSurf->nextOnLight = vEntity->drawSurfs; vEntity->drawSurfs = overlayDrawSurf; } } } } //--------------------------- // copy matrix related stuff for back-end use // and setup a render matrix for faster culling //--------------------------- vEntity->modelDepthHack = renderEntity->modelDepthHack; vEntity->weaponDepthHack = renderEntity->weaponDepthHack; vEntity->skipMotionBlur = renderEntity->skipMotionBlur; memcpy( vEntity->modelMatrix, entityDef->modelMatrix, sizeof( vEntity->modelMatrix ) ); R_MatrixMultiply( entityDef->modelMatrix, viewDef->worldSpace.modelViewMatrix, vEntity->modelViewMatrix ); idRenderMatrix viewMat; idRenderMatrix::Transpose( *( idRenderMatrix* )vEntity->modelViewMatrix, viewMat ); idRenderMatrix::Multiply( viewDef->projectionRenderMatrix, viewMat, vEntity->mvp ); if( renderEntity->weaponDepthHack ) { idRenderMatrix::ApplyDepthHack( vEntity->mvp ); } if( renderEntity->modelDepthHack != 0.0f ) { idRenderMatrix::ApplyModelDepthHack( vEntity->mvp, renderEntity->modelDepthHack ); } // local light and view origins are used to determine if the view is definitely outside // an extruded shadow volume, which means we can skip drawing the end caps idVec3 localViewOrigin; R_GlobalPointToLocal( vEntity->modelMatrix, viewDef->renderView.vieworg, localViewOrigin ); //--------------------------- // add all the model surfaces //--------------------------- for( int surfaceNum = 0; surfaceNum < model->NumSurfaces(); surfaceNum++ ) { const modelSurface_t* surf = model->Surface( surfaceNum ); // for debugging, only show a single surface at a time if( r_singleSurface.GetInteger() >= 0 && surfaceNum != r_singleSurface.GetInteger() ) { continue; } srfTriangles_t* tri = surf->geometry; if( tri == NULL ) { continue; } if( tri->numIndexes == NULL ) { continue; // happens for particles } const idMaterial* shader = surf->shader; if( shader == NULL ) { continue; } if( !shader->IsDrawn() ) { continue; // collision hulls, etc } // RemapShaderBySkin if( entityDef->parms.customShader != NULL ) { // this is sort of a hack, but causes deformed surfaces to map to empty surfaces, // so the item highlight overlay doesn't highlight the autosprite surface if( shader->Deform() ) { continue; } shader = entityDef->parms.customShader; } else if( entityDef->parms.customSkin ) { shader = entityDef->parms.customSkin->RemapShaderBySkin( shader ); if( shader == NULL ) { continue; } if( !shader->IsDrawn() ) { continue; } } // optionally override with the renderView->globalMaterial if( tr.primaryRenderView.globalMaterial != NULL ) { shader = tr.primaryRenderView.globalMaterial; } SCOPED_PROFILE_EVENT( shader->GetName() ); // debugging tool to make sure we have the correct pre-calculated bounds if( r_checkBounds.GetBool() ) { for( int j = 0; j < tri->numVerts; j++ ) { int k; for( k = 0; k < 3; k++ ) { if( tri->verts[j].xyz[k] > tri->bounds[1][k] + CHECK_BOUNDS_EPSILON || tri->verts[j].xyz[k] < tri->bounds[0][k] - CHECK_BOUNDS_EPSILON ) { common->Printf( "bad tri->bounds on %s:%s\n", entityDef->parms.hModel->Name(), shader->GetName() ); break; } if( tri->verts[j].xyz[k] > entityDef->localReferenceBounds[1][k] + CHECK_BOUNDS_EPSILON || tri->verts[j].xyz[k] < entityDef->localReferenceBounds[0][k] - CHECK_BOUNDS_EPSILON ) { common->Printf( "bad referenceBounds on %s:%s\n", entityDef->parms.hModel->Name(), shader->GetName() ); break; } } if( k != 3 ) { break; } } } // view frustum culling for the precise surface bounds, which is tighter // than the entire entity reference bounds // If the entire model wasn't visible, there is no need to check the // individual surfaces. const bool surfaceDirectlyVisible = modelIsVisible && !idRenderMatrix::CullBoundsToMVP( vEntity->mvp, tri->bounds ); const bool gpuSkinned = ( tri->staticModelWithJoints != NULL && r_useGPUSkinning.GetBool() ); //-------------------------- // base drawing surface //-------------------------- drawSurf_t* baseDrawSurf = NULL; if( surfaceDirectlyVisible ) { // make sure we have an ambient cache and all necessary normals / tangents if( !vertexCache.CacheIsCurrent( tri->indexCache ) ) { tri->indexCache = vertexCache.AllocIndex( tri->indexes, ALIGN( tri->numIndexes * sizeof( triIndex_t ), INDEX_CACHE_ALIGN ) ); } if( !vertexCache.CacheIsCurrent( tri->ambientCache ) ) { // we are going to use it for drawing, so make sure we have the tangents and normals if( shader->ReceivesLighting() && !tri->tangentsCalculated ) { assert( tri->staticModelWithJoints == NULL ); R_DeriveTangents( tri ); assert( false ); // this should no longer be hit } tri->ambientCache = vertexCache.AllocVertex( tri->verts, ALIGN( tri->numVerts * sizeof( idDrawVert ), VERTEX_CACHE_ALIGN ) ); } // add the surface for drawing // we can re-use some of the values for light interaction surfaces baseDrawSurf = ( drawSurf_t* )R_FrameAlloc( sizeof( *baseDrawSurf ), FRAME_ALLOC_DRAW_SURFACE ); baseDrawSurf->frontEndGeo = tri; baseDrawSurf->space = vEntity; baseDrawSurf->scissorRect = vEntity->scissorRect; baseDrawSurf->extraGLState = 0; baseDrawSurf->renderZFail = 0; R_SetupDrawSurfShader( baseDrawSurf, shader, renderEntity ); // Check for deformations (eyeballs, flares, etc) const deform_t shaderDeform = shader->Deform(); if( shaderDeform != DFRM_NONE ) { drawSurf_t* deformDrawSurf = R_DeformDrawSurf( baseDrawSurf ); if( deformDrawSurf != NULL ) { // any deforms may have created multiple draw surfaces for( drawSurf_t* surf = deformDrawSurf, * next = NULL; surf != NULL; surf = next ) { next = surf->nextOnLight; surf->linkChain = NULL; surf->nextOnLight = vEntity->drawSurfs; vEntity->drawSurfs = surf; } } } // Most deform source surfaces do not need to be rendered. // However, particles are rendered in conjunction with the source surface. if( shaderDeform == DFRM_NONE || shaderDeform == DFRM_PARTICLE || shaderDeform == DFRM_PARTICLE2 ) { // copy verts and indexes to this frame's hardware memory if they aren't already there if( !vertexCache.CacheIsCurrent( tri->ambientCache ) ) { tri->ambientCache = vertexCache.AllocVertex( tri->verts, ALIGN( tri->numVerts * sizeof( tri->verts[0] ), VERTEX_CACHE_ALIGN ) ); } if( !vertexCache.CacheIsCurrent( tri->indexCache ) ) { tri->indexCache = vertexCache.AllocIndex( tri->indexes, ALIGN( tri->numIndexes * sizeof( tri->indexes[0] ), INDEX_CACHE_ALIGN ) ); } R_SetupDrawSurfJoints( baseDrawSurf, tri, shader ); baseDrawSurf->numIndexes = tri->numIndexes; baseDrawSurf->ambientCache = tri->ambientCache; baseDrawSurf->indexCache = tri->indexCache; baseDrawSurf->shadowCache = 0; baseDrawSurf->linkChain = NULL; // link to the view baseDrawSurf->nextOnLight = vEntity->drawSurfs; vEntity->drawSurfs = baseDrawSurf; } } //---------------------------------------- // add all light interactions //---------------------------------------- for( int contactedLight = 0; contactedLight < numContactedLights; contactedLight++ ) { viewLight_t* vLight = contactedLights[contactedLight]; const idRenderLightLocal* lightDef = vLight->lightDef; const idInteraction* interaction = staticInteractions[contactedLight]; // check for a static interaction surfaceInteraction_t* surfInter = NULL; if( interaction > INTERACTION_EMPTY && interaction->staticInteraction ) { // we have a static interaction that was calculated accurately assert( model->NumSurfaces() == interaction->numSurfaces ); surfInter = &interaction->surfaces[surfaceNum]; } else { // try to do a more precise cull of this model surface to the light if( R_CullModelBoundsToLight( lightDef, tri->bounds, entityDef->modelRenderMatrix ) ) { continue; } } // "invisible ink" lights and shaders (imp spawn drawing on walls, etc) if( shader->Spectrum() != lightDef->lightShader->Spectrum() ) { continue; } // Calculate the local light origin to determine if the view is inside the shadow // projection and to calculate the triangle facing for dynamic shadow volumes. idVec3 localLightOrigin; R_GlobalPointToLocal( vEntity->modelMatrix, lightDef->globalLightOrigin, localLightOrigin ); //-------------------------- // surface light interactions //-------------------------- dynamicShadowVolumeParms_t* dynamicShadowParms = NULL; if( addInteractions && surfaceDirectlyVisible && shader->ReceivesLighting() ) { // static interactions can commonly find that no triangles from a surface // contact the light, even when the total model does if( surfInter == NULL || surfInter->lightTrisIndexCache > 0 ) { // create a drawSurf for this interaction drawSurf_t* lightDrawSurf = ( drawSurf_t* )R_FrameAlloc( sizeof( *lightDrawSurf ), FRAME_ALLOC_DRAW_SURFACE ); if( surfInter != NULL ) { // optimized static interaction lightDrawSurf->numIndexes = surfInter->numLightTrisIndexes; lightDrawSurf->indexCache = surfInter->lightTrisIndexCache; } else { // throw the entire source surface at it without any per-triangle culling lightDrawSurf->numIndexes = tri->numIndexes; lightDrawSurf->indexCache = tri->indexCache; // optionally cull the triangles to the light volume if( r_cullDynamicLightTriangles.GetBool() ) { vertCacheHandle_t lightIndexCache = vertexCache.AllocIndex( NULL, ALIGN( lightDrawSurf->numIndexes * sizeof( triIndex_t ), INDEX_CACHE_ALIGN ) ); if( vertexCache.CacheIsCurrent( lightIndexCache ) ) { lightDrawSurf->indexCache = lightIndexCache; dynamicShadowParms = ( dynamicShadowVolumeParms_t* )R_FrameAlloc( sizeof( dynamicShadowParms[0] ), FRAME_ALLOC_SHADOW_VOLUME_PARMS ); dynamicShadowParms->verts = tri->verts; dynamicShadowParms->numVerts = tri->numVerts; dynamicShadowParms->indexes = tri->indexes; dynamicShadowParms->numIndexes = tri->numIndexes; dynamicShadowParms->silEdges = tri->silEdges; dynamicShadowParms->numSilEdges = tri->numSilEdges; dynamicShadowParms->joints = gpuSkinned ? tri->staticModelWithJoints->jointsInverted : NULL; dynamicShadowParms->numJoints = gpuSkinned ? tri->staticModelWithJoints->numInvertedJoints : 0; dynamicShadowParms->triangleBounds = tri->bounds; dynamicShadowParms->triangleMVP = vEntity->mvp; dynamicShadowParms->localLightOrigin = localLightOrigin; dynamicShadowParms->localViewOrigin = localViewOrigin; idRenderMatrix::Multiply( vLight->lightDef->baseLightProject, entityDef->modelRenderMatrix, dynamicShadowParms->localLightProject ); dynamicShadowParms->zNear = znear; dynamicShadowParms->lightZMin = vLight->scissorRect.zmin; dynamicShadowParms->lightZMax = vLight->scissorRect.zmax; dynamicShadowParms->cullShadowTrianglesToLight = false; dynamicShadowParms->forceShadowCaps = false; dynamicShadowParms->useShadowPreciseInsideTest = false; dynamicShadowParms->useShadowDepthBounds = false; dynamicShadowParms->tempFacing = NULL; dynamicShadowParms->tempCulled = NULL; dynamicShadowParms->tempVerts = NULL; dynamicShadowParms->indexBuffer = NULL; dynamicShadowParms->shadowIndices = NULL; dynamicShadowParms->maxShadowIndices = 0; dynamicShadowParms->numShadowIndices = NULL; dynamicShadowParms->lightIndices = ( triIndex_t* )vertexCache.MappedIndexBuffer( lightIndexCache ); dynamicShadowParms->maxLightIndices = lightDrawSurf->numIndexes; dynamicShadowParms->numLightIndices = &lightDrawSurf->numIndexes; dynamicShadowParms->renderZFail = NULL; dynamicShadowParms->shadowZMin = NULL; dynamicShadowParms->shadowZMax = NULL; dynamicShadowParms->shadowVolumeState = & lightDrawSurf->shadowVolumeState; lightDrawSurf->shadowVolumeState = SHADOWVOLUME_UNFINISHED; dynamicShadowParms->next = vEntity->dynamicShadowVolumes; vEntity->dynamicShadowVolumes = dynamicShadowParms; } } } lightDrawSurf->ambientCache = tri->ambientCache; lightDrawSurf->shadowCache = 0; lightDrawSurf->frontEndGeo = tri; lightDrawSurf->space = vEntity; lightDrawSurf->material = shader; lightDrawSurf->extraGLState = 0; lightDrawSurf->scissorRect = vLight->scissorRect; // interactionScissor; lightDrawSurf->sort = 0.0f; lightDrawSurf->renderZFail = 0; lightDrawSurf->shaderRegisters = baseDrawSurf->shaderRegisters; R_SetupDrawSurfJoints( lightDrawSurf, tri, shader ); // Determine which linked list to add the light surface to. // There will only be localSurfaces if the light casts shadows and // there are surfaces with NOSELFSHADOW. if( shader->Coverage() == MC_TRANSLUCENT ) { lightDrawSurf->linkChain = &vLight->translucentInteractions; } else if( !lightDef->parms.noShadows && shader->TestMaterialFlag( MF_NOSELFSHADOW ) ) { lightDrawSurf->linkChain = &vLight->localInteractions; } else { lightDrawSurf->linkChain = &vLight->globalInteractions; } lightDrawSurf->nextOnLight = vEntity->drawSurfs; vEntity->drawSurfs = lightDrawSurf; } } //-------------------------- // surface shadows //-------------------------- if( !shader->SurfaceCastsShadow() ) { continue; } if( !lightDef->LightCastsShadows() ) { continue; } if( tri->silEdges == NULL ) { continue; // can happen for beam models (shouldn't use a shadow casting material, though...) } // if the static shadow does not have any shadows if( surfInter != NULL && surfInter->numShadowIndexes == 0 ) { continue; } // some entities, like view weapons, don't cast any shadows if( entityDef->parms.noShadow ) { continue; } // No shadow if it's suppressed for this light. if( entityDef->parms.suppressShadowInLightID && entityDef->parms.suppressShadowInLightID == lightDef->parms.lightId ) { continue; } if( lightDef->parms.prelightModel && lightDef->lightHasMoved == false && entityDef->parms.hModel->IsStaticWorldModel() && !r_skipPrelightShadows.GetBool() ) { // static light / world model shadow interacitons // are always captured in the prelight shadow volume continue; } // If the shadow is drawn (or translucent), but the model isn't, we must include the shadow caps // because we may be able to see into the shadow volume even though the view is outside it. // This happens for the player world weapon and possibly some animations in multiplayer. const bool forceShadowCaps = !addInteractions || r_forceShadowCaps.GetBool(); drawSurf_t* shadowDrawSurf = ( drawSurf_t* )R_FrameAlloc( sizeof( *shadowDrawSurf ), FRAME_ALLOC_DRAW_SURFACE ); if( surfInter != NULL ) { shadowDrawSurf->numIndexes = 0; shadowDrawSurf->indexCache = surfInter->shadowIndexCache; shadowDrawSurf->shadowCache = tri->shadowCache; shadowDrawSurf->scissorRect = vLight->scissorRect; // default to the light scissor and light depth bounds shadowDrawSurf->shadowVolumeState = SHADOWVOLUME_DONE; // assume the shadow volume is done in case r_skipStaticShadows is set if( !r_skipStaticShadows.GetBool() ) { staticShadowVolumeParms_t* staticShadowParms = ( staticShadowVolumeParms_t* )R_FrameAlloc( sizeof( staticShadowParms[0] ), FRAME_ALLOC_SHADOW_VOLUME_PARMS ); staticShadowParms->verts = tri->staticShadowVertexes; staticShadowParms->numVerts = tri->numVerts * 2; staticShadowParms->indexes = surfInter->shadowIndexes; staticShadowParms->numIndexes = surfInter->numShadowIndexes; staticShadowParms->numShadowIndicesWithCaps = surfInter->numShadowIndexes; staticShadowParms->numShadowIndicesNoCaps = surfInter->numShadowIndexesNoCaps; staticShadowParms->triangleBounds = tri->bounds; staticShadowParms->triangleMVP = vEntity->mvp; staticShadowParms->localLightOrigin = localLightOrigin; staticShadowParms->localViewOrigin = localViewOrigin; staticShadowParms->zNear = znear; staticShadowParms->lightZMin = vLight->scissorRect.zmin; staticShadowParms->lightZMax = vLight->scissorRect.zmax; staticShadowParms->forceShadowCaps = forceShadowCaps; staticShadowParms->useShadowPreciseInsideTest = r_useShadowPreciseInsideTest.GetBool(); staticShadowParms->useShadowDepthBounds = r_useShadowDepthBounds.GetBool(); staticShadowParms->numShadowIndices = & shadowDrawSurf->numIndexes; staticShadowParms->renderZFail = & shadowDrawSurf->renderZFail; staticShadowParms->shadowZMin = & shadowDrawSurf->scissorRect.zmin; staticShadowParms->shadowZMax = & shadowDrawSurf->scissorRect.zmax; staticShadowParms->shadowVolumeState = & shadowDrawSurf->shadowVolumeState; shadowDrawSurf->shadowVolumeState = SHADOWVOLUME_UNFINISHED; staticShadowParms->next = vEntity->staticShadowVolumes; vEntity->staticShadowVolumes = staticShadowParms; } } else { // When CPU skinning the dynamic shadow verts of a dynamic model may not have been copied to buffer memory yet. if( !vertexCache.CacheIsCurrent( tri->shadowCache ) ) { assert( !gpuSkinned ); // the shadow cache should be static when using GPU skinning // Extracts just the xyz values from a set of full size drawverts, and // duplicates them with w set to 0 and 1 for the vertex program to project. // This is constant for any number of lights, the vertex program takes care // of projecting the verts to infinity for a particular light. tri->shadowCache = vertexCache.AllocVertex( NULL, ALIGN( tri->numVerts * 2 * sizeof( idShadowVert ), VERTEX_CACHE_ALIGN ) ); idShadowVert* shadowVerts = ( idShadowVert* )vertexCache.MappedVertexBuffer( tri->shadowCache ); idShadowVert::CreateShadowCache( shadowVerts, tri->verts, tri->numVerts ); } const int maxShadowVolumeIndexes = tri->numSilEdges * 6 + tri->numIndexes * 2; shadowDrawSurf->numIndexes = 0; shadowDrawSurf->indexCache = vertexCache.AllocIndex( NULL, ALIGN( maxShadowVolumeIndexes * sizeof( triIndex_t ), INDEX_CACHE_ALIGN ) ); shadowDrawSurf->shadowCache = tri->shadowCache; shadowDrawSurf->scissorRect = vLight->scissorRect; // default to the light scissor and light depth bounds shadowDrawSurf->shadowVolumeState = SHADOWVOLUME_DONE; // assume the shadow volume is done in case the index cache allocation failed // if the index cache was successfully allocated then setup the parms to create a shadow volume in parallel if( vertexCache.CacheIsCurrent( shadowDrawSurf->indexCache ) && !r_skipDynamicShadows.GetBool() ) { // if the parms were not already allocated for culling interaction triangles to the light frustum if( dynamicShadowParms == NULL ) { dynamicShadowParms = ( dynamicShadowVolumeParms_t* )R_FrameAlloc( sizeof( dynamicShadowParms[0] ), FRAME_ALLOC_SHADOW_VOLUME_PARMS ); } else { // the shadow volume will be rendered first so when the interaction surface is drawn the triangles have been culled for sure *dynamicShadowParms->shadowVolumeState = SHADOWVOLUME_DONE; } dynamicShadowParms->verts = tri->verts; dynamicShadowParms->numVerts = tri->numVerts; dynamicShadowParms->indexes = tri->indexes; dynamicShadowParms->numIndexes = tri->numIndexes; dynamicShadowParms->silEdges = tri->silEdges; dynamicShadowParms->numSilEdges = tri->numSilEdges; dynamicShadowParms->joints = gpuSkinned ? tri->staticModelWithJoints->jointsInverted : NULL; dynamicShadowParms->numJoints = gpuSkinned ? tri->staticModelWithJoints->numInvertedJoints : 0; dynamicShadowParms->triangleBounds = tri->bounds; dynamicShadowParms->triangleMVP = vEntity->mvp; dynamicShadowParms->localLightOrigin = localLightOrigin; dynamicShadowParms->localViewOrigin = localViewOrigin; idRenderMatrix::Multiply( vLight->lightDef->baseLightProject, entityDef->modelRenderMatrix, dynamicShadowParms->localLightProject ); dynamicShadowParms->zNear = znear; dynamicShadowParms->lightZMin = vLight->scissorRect.zmin; dynamicShadowParms->lightZMax = vLight->scissorRect.zmax; dynamicShadowParms->cullShadowTrianglesToLight = r_cullDynamicShadowTriangles.GetBool(); dynamicShadowParms->forceShadowCaps = forceShadowCaps; dynamicShadowParms->useShadowPreciseInsideTest = r_useShadowPreciseInsideTest.GetBool(); dynamicShadowParms->useShadowDepthBounds = r_useShadowDepthBounds.GetBool(); dynamicShadowParms->tempFacing = NULL; dynamicShadowParms->tempCulled = NULL; dynamicShadowParms->tempVerts = NULL; dynamicShadowParms->indexBuffer = NULL; dynamicShadowParms->shadowIndices = ( triIndex_t* )vertexCache.MappedIndexBuffer( shadowDrawSurf->indexCache ); dynamicShadowParms->maxShadowIndices = maxShadowVolumeIndexes; dynamicShadowParms->numShadowIndices = & shadowDrawSurf->numIndexes; // dynamicShadowParms->lightIndices may have already been set for the interaction surface // dynamicShadowParms->maxLightIndices may have already been set for the interaction surface // dynamicShadowParms->numLightIndices may have already been set for the interaction surface dynamicShadowParms->renderZFail = & shadowDrawSurf->renderZFail; dynamicShadowParms->shadowZMin = & shadowDrawSurf->scissorRect.zmin; dynamicShadowParms->shadowZMax = & shadowDrawSurf->scissorRect.zmax; dynamicShadowParms->shadowVolumeState = & shadowDrawSurf->shadowVolumeState; shadowDrawSurf->shadowVolumeState = SHADOWVOLUME_UNFINISHED; // if the parms we not already linked for culling interaction triangles to the light frustum if( dynamicShadowParms->lightIndices == NULL ) { dynamicShadowParms->next = vEntity->dynamicShadowVolumes; vEntity->dynamicShadowVolumes = dynamicShadowParms; } tr.pc.c_createShadowVolumes++; } } assert( vertexCache.CacheIsCurrent( shadowDrawSurf->shadowCache ) ); assert( vertexCache.CacheIsCurrent( shadowDrawSurf->indexCache ) ); shadowDrawSurf->ambientCache = 0; shadowDrawSurf->frontEndGeo = NULL; shadowDrawSurf->space = vEntity; shadowDrawSurf->material = NULL; shadowDrawSurf->extraGLState = 0; shadowDrawSurf->sort = 0.0f; shadowDrawSurf->shaderRegisters = NULL; R_SetupDrawSurfJoints( shadowDrawSurf, tri, NULL ); // determine which linked list to add the shadow surface to shadowDrawSurf->linkChain = shader->TestMaterialFlag( MF_NOSELFSHADOW ) ? &vLight->localShadows : &vLight->globalShadows; shadowDrawSurf->nextOnLight = vEntity->drawSurfs; vEntity->drawSurfs = shadowDrawSurf; } } } REGISTER_PARALLEL_JOB( R_AddSingleModel, "R_AddSingleModel" ); /* ================= R_LinkDrawSurfToView Als called directly by GuiModel ================= */ void R_LinkDrawSurfToView( drawSurf_t* drawSurf, viewDef_t* viewDef ) { // if it doesn't fit, resize the list if( viewDef->numDrawSurfs == viewDef->maxDrawSurfs ) { drawSurf_t** old = viewDef->drawSurfs; int count; if( viewDef->maxDrawSurfs == 0 ) { viewDef->maxDrawSurfs = INITIAL_DRAWSURFS; count = 0; } else { count = viewDef->maxDrawSurfs * sizeof( viewDef->drawSurfs[0] ); viewDef->maxDrawSurfs *= 2; } viewDef->drawSurfs = ( drawSurf_t** )R_FrameAlloc( viewDef->maxDrawSurfs * sizeof( viewDef->drawSurfs[0] ), FRAME_ALLOC_DRAW_SURFACE_POINTER ); memcpy( viewDef->drawSurfs, old, count ); } viewDef->drawSurfs[viewDef->numDrawSurfs] = drawSurf; viewDef->numDrawSurfs++; } /* =================== R_AddModels The end result of running this is the addition of drawSurf_t to the tr.viewDef->drawSurfs[] array and light link chains, along with frameData and vertexCache allocations to support the drawSurfs. =================== */ void R_AddModels() { SCOPED_PROFILE_EVENT( "R_AddModels" ); tr.viewDef->viewEntitys = R_SortViewEntities( tr.viewDef->viewEntitys ); //------------------------------------------------- // Go through each view entity that is either visible to the view, or to // any light that intersects the view (for shadows). //------------------------------------------------- if( r_useParallelAddModels.GetBool() ) { for( viewEntity_t* vEntity = tr.viewDef->viewEntitys; vEntity != NULL; vEntity = vEntity->next ) { tr.frontEndJobList->AddJob( ( jobRun_t )R_AddSingleModel, vEntity ); } tr.frontEndJobList->Submit(); tr.frontEndJobList->Wait(); } else { for( viewEntity_t* vEntity = tr.viewDef->viewEntitys; vEntity != NULL; vEntity = vEntity->next ) { R_AddSingleModel( vEntity ); } } //------------------------------------------------- // Kick off jobs to setup static and dynamic shadow volumes. //------------------------------------------------- if( r_useParallelAddShadows.GetInteger() == 1 ) { for( viewEntity_t* vEntity = tr.viewDef->viewEntitys; vEntity != NULL; vEntity = vEntity->next ) { for( staticShadowVolumeParms_t* shadowParms = vEntity->staticShadowVolumes; shadowParms != NULL; shadowParms = shadowParms->next ) { tr.frontEndJobList->AddJob( ( jobRun_t )StaticShadowVolumeJob, shadowParms ); } for( dynamicShadowVolumeParms_t* shadowParms = vEntity->dynamicShadowVolumes; shadowParms != NULL; shadowParms = shadowParms->next ) { tr.frontEndJobList->AddJob( ( jobRun_t )DynamicShadowVolumeJob, shadowParms ); } vEntity->staticShadowVolumes = NULL; vEntity->dynamicShadowVolumes = NULL; } tr.frontEndJobList->Submit(); // wait here otherwise the shadow volume index buffer may be unmapped before all shadow volumes have been constructed tr.frontEndJobList->Wait(); } else { int start = Sys_Microseconds(); for( viewEntity_t* vEntity = tr.viewDef->viewEntitys; vEntity != NULL; vEntity = vEntity->next ) { for( staticShadowVolumeParms_t* shadowParms = vEntity->staticShadowVolumes; shadowParms != NULL; shadowParms = shadowParms->next ) { StaticShadowVolumeJob( shadowParms ); } for( dynamicShadowVolumeParms_t* shadowParms = vEntity->dynamicShadowVolumes; shadowParms != NULL; shadowParms = shadowParms->next ) { DynamicShadowVolumeJob( shadowParms ); } vEntity->staticShadowVolumes = NULL; vEntity->dynamicShadowVolumes = NULL; } int end = Sys_Microseconds(); backEnd.pc.shadowMicroSec += end - start; } //------------------------------------------------- // Move the draw surfs to the view. //------------------------------------------------- tr.viewDef->numDrawSurfs = 0; // clear the ambient surface list tr.viewDef->maxDrawSurfs = 0; // will be set to INITIAL_DRAWSURFS on R_LinkDrawSurfToView for( viewEntity_t* vEntity = tr.viewDef->viewEntitys; vEntity != NULL; vEntity = vEntity->next ) { for( drawSurf_t* ds = vEntity->drawSurfs; ds != NULL; ) { drawSurf_t* next = ds->nextOnLight; if( ds->linkChain == NULL ) { R_LinkDrawSurfToView( ds, tr.viewDef ); } else { ds->nextOnLight = *ds->linkChain; *ds->linkChain = ds; } ds = next; } vEntity->drawSurfs = NULL; } }