/* =================== R_AddModelSurfaces Here is where dynamic models actually get instantiated, and necessary interactions 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_AddModelSurfaces( void ) { viewEntity_t *vEntity; idInteraction *inter, *next; idRenderModel *model; // clear the ambient surface list tr.viewDef->numDrawSurfs = 0; tr.viewDef->maxDrawSurfs = 0; // will be set to INITIAL_DRAWSURFS on R_AddDrawSurf // go through each entity that is either visible to the view, or to // any light that intersects the view (for shadows) for( vEntity = tr.viewDef->viewEntitys; vEntity; vEntity = vEntity->next ) { if( r_useEntityScissors.GetBool() ) { // calculate the screen area covered by the entity idScreenRect scissorRect = R_CalcEntityScissorRectangle( vEntity ); // intersect with the portal crossing scissor rectangle vEntity->scissorRect.Intersect( scissorRect ); if( r_showEntityScissors.GetBool() ) { R_ShowColoredScreenRect( vEntity->scissorRect, vEntity->entityDef->index ); } } float oldFloatTime; int oldTime; game->SelectTimeGroup( vEntity->entityDef->parms.timeGroup ); if( vEntity->entityDef->parms.timeGroup ) { oldFloatTime = tr.viewDef->floatTime; oldTime = tr.viewDef->renderView.time; tr.viewDef->floatTime = game->GetTimeGroupTime( vEntity->entityDef->parms.timeGroup ) * 0.001; tr.viewDef->renderView.time = game->GetTimeGroupTime( vEntity->entityDef->parms.timeGroup ); } if( tr.viewDef->isXraySubview && vEntity->entityDef->parms.xrayIndex == 1 ) { if( vEntity->entityDef->parms.timeGroup ) { tr.viewDef->floatTime = oldFloatTime; tr.viewDef->renderView.time = oldTime; } continue; } else if( !tr.viewDef->isXraySubview && vEntity->entityDef->parms.xrayIndex == 2 ) { if( vEntity->entityDef->parms.timeGroup ) { tr.viewDef->floatTime = oldFloatTime; tr.viewDef->renderView.time = oldTime; } continue; } // add the ambient surface if it has a visible rectangle if( !vEntity->scissorRect.IsEmpty() ) { model = R_EntityDefDynamicModel( vEntity->entityDef ); if( model == NULL || model->NumSurfaces() <= 0 ) { if( vEntity->entityDef->parms.timeGroup ) { tr.viewDef->floatTime = oldFloatTime; tr.viewDef->renderView.time = oldTime; } continue; } R_AddAmbientDrawsurfs( vEntity ); tr.pc.c_visibleViewEntities++; } else { tr.pc.c_shadowViewEntities++; } // for all the entity / light interactions on this entity, add them to the view if( tr.viewDef->isXraySubview ) { if( vEntity->entityDef->parms.xrayIndex == 2 ) { for( inter = vEntity->entityDef->firstInteraction; inter != NULL && !inter->IsEmpty(); inter = next ) { next = inter->entityNext; if( inter->lightDef->viewCount != tr.viewCount ) { continue; } inter->AddActiveInteraction(); } } } else { // all empty interactions are at the end of the list so once the // first is encountered all the remaining interactions are empty for( inter = vEntity->entityDef->firstInteraction; inter != NULL && !inter->IsEmpty(); inter = next ) { next = inter->entityNext; // skip any lights that aren't currently visible // this is run after any lights that are turned off have already // been removed from the viewLights list, and had their viewCount cleared if( inter->lightDef->viewCount != tr.viewCount ) { continue; } inter->AddActiveInteraction(); } } if( vEntity->entityDef->parms.timeGroup ) { tr.viewDef->floatTime = oldFloatTime; tr.viewDef->renderView.time = oldTime; } } }
/* ================== idInteraction::AddActiveInteraction Create and add any necessary light and shadow triangles If the model doesn't have any surfaces that need interactions with this type of light, it can be skipped, but we might need to instantiate the dynamic model to find out ================== */ void idInteraction::AddActiveInteraction( void ) { viewLight_t * vLight; viewEntity_t * vEntity; idScreenRect shadowScissor; idScreenRect lightScissor; idVec3 localLightOrigin; idVec3 localViewOrigin; vLight = lightDef->viewLight; vEntity = entityDef->viewEntity; // do not waste time culling the interaction frustum if there will be no shadows if ( !HasShadows() ) { // use the entity scissor rectangle shadowScissor = vEntity->scissorRect; // culling does not seem to be worth it for static world models } else if ( entityDef->parms.hModel->IsStaticWorldModel() ) { // use the light scissor rectangle shadowScissor = vLight->scissorRect; } else { // try to cull the interaction // this will also cull the case where the light origin is inside the // view frustum and the entity bounds are outside the view frustum if ( CullInteractionByViewFrustum( tr.viewDef->viewFrustum ) ) { return; } // calculate the shadow scissor rectangle shadowScissor = CalcInteractionScissorRectangle( tr.viewDef->viewFrustum ); } // get out before making the dynamic model if the shadow scissor rectangle is empty if ( shadowScissor.IsEmpty() ) { return; } // We will need the dynamic surface created to make interactions, even if the // model itself wasn't visible. This just returns a cached value after it // has been generated once in the view. idRenderModel *model = R_EntityDefDynamicModel( entityDef ); if ( model == NULL || model->NumSurfaces() <= 0 ) { return; } // the dynamic model may have changed since we built the surface list if ( !IsDeferred() && entityDef->dynamicModelFrameCount != dynamicModelFrameCount ) { FreeSurfaces(); } dynamicModelFrameCount = entityDef->dynamicModelFrameCount; // actually create the interaction if needed, building light and shadow surfaces as needed if ( IsDeferred() ) { CreateInteraction( model ); } R_GlobalPointToLocal( vEntity->modelMatrix, lightDef->globalLightOrigin, localLightOrigin ); R_GlobalPointToLocal( vEntity->modelMatrix, tr.viewDef->renderView.vieworg, localViewOrigin ); // calculate the scissor as the intersection of the light and model rects // this is used for light triangles, but not for shadow triangles lightScissor = vLight->scissorRect; lightScissor.Intersect( vEntity->scissorRect ); bool lightScissorsEmpty = lightScissor.IsEmpty(); // for each surface of this entity / light interaction for ( int i = 0; i < numSurfaces; i++ ) { surfaceInteraction_t *sint = &surfaces[i]; // see if the base surface is visible, we may still need to add shadows even if empty if ( !lightScissorsEmpty && sint->ambientTris && sint->ambientTris->ambientViewCount == tr.viewCount ) { // make sure we have created this interaction, which may have been deferred // on a previous use that only needed the shadow if ( sint->lightTris == LIGHT_TRIS_DEFERRED ) { sint->lightTris = R_CreateLightTris( vEntity->entityDef, sint->ambientTris, vLight->lightDef, sint->shader, sint->cullInfo ); R_FreeInteractionCullInfo( sint->cullInfo ); } srfTriangles_t *lightTris = sint->lightTris; if ( lightTris ) { // try to cull before adding // FIXME: this may not be worthwhile. We have already done culling on the ambient, // but individual surfaces may still be cropped somewhat more if ( !R_CullLocalBox( lightTris->bounds, vEntity->modelMatrix, 5, tr.viewDef->frustum ) ) { // make sure the original surface has its ambient cache created srfTriangles_t *tri = sint->ambientTris; if ( !tri->ambientCache ) { if ( !R_CreateAmbientCache( tri, sint->shader->ReceivesLighting() ) ) { // skip if we were out of vertex memory continue; } } // reference the original surface's ambient cache lightTris->ambientCache = tri->ambientCache; // touch the ambient surface so it won't get purged vertexCache.Touch(lightTris->ambientCache); if (!lightTris->indexCache) { vertexCache.Alloc(lightTris->indexes, lightTris->numIndexes * sizeof(lightTris->indexes[0]), &lightTris->indexCache, true); vertexCache.Touch(lightTris->indexCache); } // add the surface to the light list const idMaterial *shader = sint->shader; R_GlobalShaderOverride(&shader); // there will only be localSurfaces if the light casts shadows and // there are surfaces with NOSELFSHADOW if ( sint->shader->Coverage() == MC_TRANSLUCENT ) { R_LinkLightSurf( &vLight->translucentInteractions, lightTris, vEntity, lightDef, shader, lightScissor, false ); } else if ( !lightDef->parms.noShadows && sint->shader->TestMaterialFlag(MF_NOSELFSHADOW) ) { R_LinkLightSurf( &vLight->localInteractions, lightTris, vEntity, lightDef, shader, lightScissor, false ); } else { R_LinkLightSurf( &vLight->globalInteractions, lightTris, vEntity, lightDef, shader, lightScissor, false ); } } } } srfTriangles_t *shadowTris = sint->shadowTris; // the shadows will always have to be added, unless we can tell they // are from a surface in an unconnected area if ( shadowTris ) { // check for view specific shadow suppression (player shadows, etc) if ( !r_skipSuppress.GetBool() ) { if ( entityDef->parms.suppressShadowInViewID && entityDef->parms.suppressShadowInViewID == tr.viewDef->renderView.viewID ) { continue; } if ( entityDef->parms.suppressShadowInLightID && entityDef->parms.suppressShadowInLightID == lightDef->parms.lightId ) { continue; } } // cull static shadows that have a non-empty bounds // dynamic shadows that use the turboshadow code will not have valid // bounds, because the perspective projection extends them to infinity if ( r_useShadowCulling.GetBool() && !shadowTris->bounds.IsCleared() ) { if ( R_CullLocalBox( shadowTris->bounds, vEntity->modelMatrix, 5, tr.viewDef->frustum ) ) { continue; } } // copy the shadow vertexes to the vertex cache if they have been purged // if we are using shared shadowVertexes and letting a vertex program fix them up, // get the shadowCache from the parent ambient surface if ( !shadowTris->shadowVertexes ) { // the data may have been purged, so get the latest from the "home position" shadowTris->shadowCache = sint->ambientTris->shadowCache; } // if we have been purged, re-upload the shadowVertexes if ( !shadowTris->shadowCache ) { if ( shadowTris->shadowVertexes ) { // each interaction has unique vertexes R_CreatePrivateShadowCache( shadowTris ); } else { R_CreateVertexProgramShadowCache( sint->ambientTris ); shadowTris->shadowCache = sint->ambientTris->shadowCache; } // if we are out of vertex cache space, skip the interaction if ( !shadowTris->shadowCache ) { continue; } } // touch the shadow surface so it won't get purged vertexCache.Touch( shadowTris->shadowCache ); if ( !shadowTris->indexCache ) { vertexCache.Alloc( shadowTris->indexes, shadowTris->numIndexes * sizeof( shadowTris->indexes[0] ), &shadowTris->indexCache, true ); vertexCache.Touch( shadowTris->indexCache ); } // see if we can avoid using the shadow volume caps bool inside = R_PotentiallyInsideInfiniteShadow( sint->ambientTris, localViewOrigin, localLightOrigin ); if ( sint->shader->TestMaterialFlag( MF_NOSELFSHADOW ) ) { R_LinkLightSurf( &vLight->localShadows, shadowTris, vEntity, lightDef, NULL, shadowScissor, inside ); } else { R_LinkLightSurf( &vLight->globalShadows, shadowTris, vEntity, lightDef, NULL, shadowScissor, inside ); } } } }
/* =================== 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 == 0 ) { 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 ); // RB: added check wether GPU skinning is available at all const bool gpuSkinned = ( tri->staticModelWithJoints != NULL && r_useGPUSkinning.GetBool() && glConfig.gpuSkinningAvailable ); // RB end //-------------------------- // 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 ); // RB: this was hit by parametric particle models .. //assert( false ); // this should no longer be hit // RB end } 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; } } }