diff options
Diffstat (limited to 'src/renderergl2/tr_scene.cpp')
| -rw-r--r-- | src/renderergl2/tr_scene.cpp | 575 |
1 files changed, 575 insertions, 0 deletions
diff --git a/src/renderergl2/tr_scene.cpp b/src/renderergl2/tr_scene.cpp new file mode 100644 index 0000000..67ab0d3 --- /dev/null +++ b/src/renderergl2/tr_scene.cpp @@ -0,0 +1,575 @@ +/* +=========================================================================== +Copyright (C) 1999-2005 Id Software, Inc. +Copyright (C) 2000-2013 Darklegion Development +Copyright (C) 2015-2019 GrangerHub + +This file is part of Tremulous. + +Tremulous 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. + +Tremulous 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 Tremulous; if not, see <https://www.gnu.org/licenses/> + +=========================================================================== +*/ + +#include "tr_local.h" + +int r_firstSceneDrawSurf; + +int r_numdlights; +int r_firstSceneDlight; + +int r_numentities; +int r_firstSceneEntity; + +int r_numpolys; +int r_firstScenePoly; + +int r_numpolyverts; + + +/* +==================== +R_InitNextFrame + +==================== +*/ +void R_InitNextFrame( void ) { + backEndData->commands.used = 0; + + r_firstSceneDrawSurf = 0; + + r_numdlights = 0; + r_firstSceneDlight = 0; + + r_numentities = 0; + r_firstSceneEntity = 0; + + r_numpolys = 0; + r_firstScenePoly = 0; + + r_numpolyverts = 0; +} + + +/* +==================== +RE_ClearScene + +==================== +*/ +void RE_ClearScene( void ) { + r_firstSceneDlight = r_numdlights; + r_firstSceneEntity = r_numentities; + r_firstScenePoly = r_numpolys; +} + +/* +=========================================================================== + +DISCRETE POLYS + +=========================================================================== +*/ + +/* +===================== +R_AddPolygonSurfaces + +Adds all the scene's polys into this view's drawsurf list +===================== +*/ +void R_AddPolygonSurfaces( void ) { + int i; + shader_t *sh; + srfPoly_t *poly; + int fogMask; + + tr.currentEntityNum = REFENTITYNUM_WORLD; + tr.shiftedEntityNum = tr.currentEntityNum << QSORT_REFENTITYNUM_SHIFT; + fogMask = -((tr.refdef.rdflags & RDF_NOFOG) == 0); + + for ( i = 0, poly = tr.refdef.polys; i < tr.refdef.numPolys ; i++, poly++ ) { + sh = R_GetShaderByHandle( poly->hShader ); + R_AddDrawSurf( (surfaceType_t*)poly, sh, poly->fogIndex & fogMask, false, false, 0 /*cubeMap*/ ); + } +} + +/* +===================== +RE_AddPolyToScene + +===================== +*/ +void RE_AddPolyToScene( qhandle_t hShader, int numVerts, const polyVert_t *verts, int numPolys ) { + srfPoly_t *poly; + int i, j; + int fogIndex; + fog_t *fog; + vec3_t bounds[2]; + + if ( !tr.registered ) { + return; + } + + if ( !hShader ) { + // This isn't a useful warning, and an hShader of zero isn't a null shader, it's + // the default shader. + //ri.Printf( PRINT_WARNING, "WARNING: RE_AddPolyToScene: NULL poly shader\n"); + //return; + } + + for ( j = 0; j < numPolys; j++ ) { + if ( r_numpolyverts + numVerts > max_polyverts || r_numpolys >= max_polys ) { + /* + NOTE TTimo this was initially a PRINT_WARNING + but it happens a lot with high fighting scenes and particles + since we don't plan on changing the const and making for room for those effects + simply cut this message to developer only + */ + ri.Printf( PRINT_DEVELOPER, "WARNING: RE_AddPolyToScene: r_max_polys or r_max_polyverts reached\n"); + return; + } + + poly = &backEndData->polys[r_numpolys]; + poly->surfaceType = SF_POLY; + poly->hShader = hShader; + poly->numVerts = numVerts; + poly->verts = &backEndData->polyVerts[r_numpolyverts]; + + Com_Memcpy( poly->verts, &verts[numVerts*j], numVerts * sizeof( *verts ) ); + + if ( glConfig.hardwareType == GLHW_RAGEPRO ) { + poly->verts->modulate[0] = 255; + poly->verts->modulate[1] = 255; + poly->verts->modulate[2] = 255; + poly->verts->modulate[3] = 255; + } + // done. + r_numpolys++; + r_numpolyverts += numVerts; + + // if no world is loaded + if ( tr.world == NULL ) { + fogIndex = 0; + } + // see if it is in a fog volume + else if ( tr.world->numfogs == 1 ) { + fogIndex = 0; + } else { + // find which fog volume the poly is in + VectorCopy( poly->verts[0].xyz, bounds[0] ); + VectorCopy( poly->verts[0].xyz, bounds[1] ); + for ( i = 1 ; i < poly->numVerts ; i++ ) { + AddPointToBounds( poly->verts[i].xyz, bounds[0], bounds[1] ); + } + for ( fogIndex = 1 ; fogIndex < tr.world->numfogs ; fogIndex++ ) { + fog = &tr.world->fogs[fogIndex]; + if ( bounds[1][0] >= fog->bounds[0][0] + && bounds[1][1] >= fog->bounds[0][1] + && bounds[1][2] >= fog->bounds[0][2] + && bounds[0][0] <= fog->bounds[1][0] + && bounds[0][1] <= fog->bounds[1][1] + && bounds[0][2] <= fog->bounds[1][2] ) { + break; + } + } + if ( fogIndex == tr.world->numfogs ) { + fogIndex = 0; + } + } + poly->fogIndex = fogIndex; + } +} + + +//================================================================================= + + +/* +===================== +RE_AddRefEntityToScene + +===================== +*/ +void RE_AddRefEntityToScene( const refEntity_t *ent ) { + vec3_t cross; + + if ( !tr.registered ) { + return; + } + if ( r_numentities >= MAX_REFENTITIES ) { + ri.Printf(PRINT_DEVELOPER, "RE_AddRefEntityToScene: Dropping refEntity, reached MAX_REFENTITIES\n"); + return; + } + if ( Q_isnan(ent->origin[0]) || Q_isnan(ent->origin[1]) || Q_isnan(ent->origin[2]) ) { + static bool firstTime = true; + if (firstTime) { + firstTime = false; + ri.Printf( PRINT_WARNING, "RE_AddRefEntityToScene passed a refEntity which has an origin with a NaN component\n"); + } + return; + } + if ( (int)ent->reType < 0 || ent->reType >= RT_MAX_REF_ENTITY_TYPE ) { + ri.Error( ERR_DROP, "RE_AddRefEntityToScene: bad reType %i", ent->reType ); + } + + backEndData->entities[r_numentities].e = *ent; + backEndData->entities[r_numentities].lightingCalculated = false; + + CrossProduct(ent->axis[0], ent->axis[1], cross); + backEndData->entities[r_numentities].mirrored = (DotProduct(ent->axis[2], cross) < 0.f); + + r_numentities++; +} + + +/* +===================== +RE_AddDynamicLightToScene + +===================== +*/ +void RE_AddDynamicLightToScene( const vec3_t org, float intensity, float r, float g, float b, int additive ) { + dlight_t *dl; + + if ( !tr.registered ) { + return; + } + if ( r_numdlights >= MAX_DLIGHTS ) { + return; + } + if ( intensity <= 0 ) { + return; + } + // these cards don't have the correct blend mode + if ( glConfig.hardwareType == GLHW_RIVA128 || glConfig.hardwareType == GLHW_PERMEDIA2 ) { + return; + } + dl = &backEndData->dlights[r_numdlights++]; + VectorCopy (org, dl->origin); + dl->radius = intensity; + dl->color[0] = r; + dl->color[1] = g; + dl->color[2] = b; + dl->additive = additive; +} + +/* +===================== +RE_AddLightToScene + +===================== +*/ +void RE_AddLightToScene( const vec3_t org, float intensity, float r, float g, float b ) { + RE_AddDynamicLightToScene( org, intensity, r, g, b, false ); +} + +/* +===================== +RE_AddAdditiveLightToScene + +===================== +*/ +void RE_AddAdditiveLightToScene( const vec3_t org, float intensity, float r, float g, float b ) { + RE_AddDynamicLightToScene( org, intensity, r, g, b, true ); +} + + +void RE_BeginScene(const refdef_t *fd) +{ + Com_Memcpy( tr.refdef.text, fd->text, sizeof( tr.refdef.text ) ); + + tr.refdef.x = fd->x; + tr.refdef.y = fd->y; + tr.refdef.width = fd->width; + tr.refdef.height = fd->height; + tr.refdef.fov_x = fd->fov_x; + tr.refdef.fov_y = fd->fov_y; + + VectorCopy( fd->vieworg, tr.refdef.vieworg ); + VectorCopy( fd->viewaxis[0], tr.refdef.viewaxis[0] ); + VectorCopy( fd->viewaxis[1], tr.refdef.viewaxis[1] ); + VectorCopy( fd->viewaxis[2], tr.refdef.viewaxis[2] ); + + tr.refdef.time = fd->time; + tr.refdef.rdflags = fd->rdflags; + + // copy the areamask data over and note if it has changed, which + // will force a reset of the visible leafs even if the view hasn't moved + tr.refdef.areamaskModified = false; + if ( ! (tr.refdef.rdflags & RDF_NOWORLDMODEL) ) { + int areaDiff; + int i; + + // compare the area bits + areaDiff = 0; + for (i = 0 ; i < MAX_MAP_AREA_BYTES/4 ; i++) { + areaDiff |= ((int *)tr.refdef.areamask)[i] ^ ((int *)fd->areamask)[i]; + ((int *)tr.refdef.areamask)[i] = ((int *)fd->areamask)[i]; + } + + if ( areaDiff ) { + // a door just opened or something + tr.refdef.areamaskModified = true; + } + } + + tr.refdef.sunDir[3] = 0.0f; + tr.refdef.sunCol[3] = 1.0f; + tr.refdef.sunAmbCol[3] = 1.0f; + + VectorCopy(tr.sunDirection, tr.refdef.sunDir); + if ( (tr.refdef.rdflags & RDF_NOWORLDMODEL) || !(r_depthPrepass->value) ){ + VectorSet(tr.refdef.sunCol, 0, 0, 0); + VectorSet(tr.refdef.sunAmbCol, 0, 0, 0); + } + else + { + float scale = (1 << r_mapOverBrightBits->integer) / 255.0f; + + if (r_forceSun->integer) + VectorScale(tr.sunLight, scale * r_forceSunLightScale->value, tr.refdef.sunCol); + else + VectorScale(tr.sunLight, scale, tr.refdef.sunCol); + + if (r_sunlightMode->integer == 1) + { + tr.refdef.sunAmbCol[0] = + tr.refdef.sunAmbCol[1] = + tr.refdef.sunAmbCol[2] = r_forceSun->integer ? r_forceSunAmbientScale->value : tr.sunShadowScale; + } + else + { + if (r_forceSun->integer) + VectorScale(tr.sunLight, scale * r_forceSunAmbientScale->value, tr.refdef.sunAmbCol); + else + VectorScale(tr.sunLight, scale * tr.sunShadowScale, tr.refdef.sunAmbCol); + } + } + + if (r_forceAutoExposure->integer) + { + tr.refdef.autoExposureMinMax[0] = r_forceAutoExposureMin->value; + tr.refdef.autoExposureMinMax[1] = r_forceAutoExposureMax->value; + } + else + { + tr.refdef.autoExposureMinMax[0] = tr.autoExposureMinMax[0]; + tr.refdef.autoExposureMinMax[1] = tr.autoExposureMinMax[1]; + } + + if (r_forceToneMap->integer) + { + tr.refdef.toneMinAvgMaxLinear[0] = pow(2, r_forceToneMapMin->value); + tr.refdef.toneMinAvgMaxLinear[1] = pow(2, r_forceToneMapAvg->value); + tr.refdef.toneMinAvgMaxLinear[2] = pow(2, r_forceToneMapMax->value); + } + else + { + tr.refdef.toneMinAvgMaxLinear[0] = pow(2, tr.toneMinAvgMaxLevel[0]); + tr.refdef.toneMinAvgMaxLinear[1] = pow(2, tr.toneMinAvgMaxLevel[1]); + tr.refdef.toneMinAvgMaxLinear[2] = pow(2, tr.toneMinAvgMaxLevel[2]); + } + + // Makro - copy exta info if present + if (fd->rdflags & RDF_EXTRA) { + const refdefex_t* extra = (const refdefex_t*) (fd+1); + + tr.refdef.blurFactor = extra->blurFactor; + + if (fd->rdflags & RDF_SUNLIGHT) + { + VectorCopy(extra->sunDir, tr.refdef.sunDir); + VectorCopy(extra->sunCol, tr.refdef.sunCol); + VectorCopy(extra->sunAmbCol, tr.refdef.sunAmbCol); + } + } + else + { + tr.refdef.blurFactor = 0.0f; + } + + // derived info + + tr.refdef.floatTime = tr.refdef.time * 0.001; + + tr.refdef.numDrawSurfs = r_firstSceneDrawSurf; + tr.refdef.drawSurfs = backEndData->drawSurfs; + + tr.refdef.num_entities = r_numentities - r_firstSceneEntity; + tr.refdef.entities = &backEndData->entities[r_firstSceneEntity]; + + tr.refdef.num_dlights = r_numdlights - r_firstSceneDlight; + tr.refdef.dlights = &backEndData->dlights[r_firstSceneDlight]; + + tr.refdef.numPolys = r_numpolys - r_firstScenePoly; + tr.refdef.polys = &backEndData->polys[r_firstScenePoly]; + + tr.refdef.num_pshadows = 0; + tr.refdef.pshadows = &backEndData->pshadows[0]; + + // turn off dynamic lighting globally by clearing all the + // dlights if it needs to be disabled or if vertex lighting is enabled + if ( r_dynamiclight->integer == 0 || + r_vertexLight->integer == 1 || + glConfig.hardwareType == GLHW_PERMEDIA2 ) { + tr.refdef.num_dlights = 0; + } + + // a single frame may have multiple scenes draw inside it -- + // a 3D game view, 3D status bar renderings, 3D menus, etc. + // They need to be distinguished by the light flare code, because + // the visibility state for a given surface may be different in + // each scene / view. + tr.frameSceneNum++; + tr.sceneCount++; +} + + +void RE_EndScene() +{ + // the next scene rendered in this frame will tack on after this one + r_firstSceneDrawSurf = tr.refdef.numDrawSurfs; + r_firstSceneEntity = r_numentities; + r_firstSceneDlight = r_numdlights; + r_firstScenePoly = r_numpolys; +} + +/* +@@@@@@@@@@@@@@@@@@@@@ +RE_RenderScene + +Draw a 3D view into a part of the window, then return +to 2D drawing. + +Rendering a scene may require multiple views to be rendered +to handle mirrors, +@@@@@@@@@@@@@@@@@@@@@ +*/ +void RE_RenderScene( const refdef_t *fd ) { + viewParms_t parms; + int startTime; + + if ( !tr.registered ) { + return; + } + GLimp_LogComment( "====== RE_RenderScene =====\n" ); + + if ( r_norefresh->integer ) { + return; + } + + startTime = ri.Milliseconds(); + + if (!tr.world && !( fd->rdflags & RDF_NOWORLDMODEL ) ) { + ri.Error (ERR_DROP, "R_RenderScene: NULL worldmodel"); + } + + RE_BeginScene(fd); + + // SmileTheory: playing with shadow mapping + if (!( fd->rdflags & RDF_NOWORLDMODEL ) && tr.refdef.num_dlights && r_dlightMode->integer >= 2) + { + R_RenderDlightCubemaps(fd); + } + + /* playing with more shadows */ + if(glRefConfig.framebufferObject && !( fd->rdflags & RDF_NOWORLDMODEL ) && r_shadows->integer == 4) + { + R_RenderPshadowMaps(fd); + } + + // playing with even more shadows + if(glRefConfig.framebufferObject && r_sunlightMode->integer && !( fd->rdflags & RDF_NOWORLDMODEL ) && (r_forceSun->integer || tr.sunShadows)) + { + if (r_shadowCascadeZFar->integer != 0) + { + R_RenderSunShadowMaps(fd, 0); + R_RenderSunShadowMaps(fd, 1); + R_RenderSunShadowMaps(fd, 2); + } + else + { + Mat4Zero(tr.refdef.sunShadowMvp[0]); + Mat4Zero(tr.refdef.sunShadowMvp[1]); + Mat4Zero(tr.refdef.sunShadowMvp[2]); + } + + // only rerender last cascade if sun has changed position + if (r_forceSun->integer == 2 || !VectorCompare(tr.refdef.sunDir, tr.lastCascadeSunDirection)) + { + VectorCopy(tr.refdef.sunDir, tr.lastCascadeSunDirection); + R_RenderSunShadowMaps(fd, 3); + Mat4Copy(tr.refdef.sunShadowMvp[3], tr.lastCascadeSunMvp); + } + else + { + Mat4Copy(tr.lastCascadeSunMvp, tr.refdef.sunShadowMvp[3]); + } + } + + // playing with cube maps + // this is where dynamic cubemaps would be rendered + if (0) //(glRefConfig.framebufferObject && !( fd->rdflags & RDF_NOWORLDMODEL )) + { + int i, j; + + for (i = 0; i < tr.numCubemaps; i++) + { + for (j = 0; j < 6; j++) + { + R_RenderCubemapSide(i, j, true); + } + } + } + + // setup view parms for the initial view + // + // set up viewport + // The refdef takes 0-at-the-top y coordinates, so + // convert to GL's 0-at-the-bottom space + // + Com_Memset( &parms, 0, sizeof( parms ) ); + parms.viewportX = tr.refdef.x; + parms.viewportY = glConfig.vidHeight - ( tr.refdef.y + tr.refdef.height ); + parms.viewportWidth = tr.refdef.width; + parms.viewportHeight = tr.refdef.height; + parms.isPortal = false; + + parms.fovX = tr.refdef.fov_x; + parms.fovY = tr.refdef.fov_y; + + parms.stereoFrame = tr.refdef.stereoFrame; + + VectorCopy( fd->vieworg, parms.orientation.origin ); + VectorCopy( fd->viewaxis[0], parms.orientation.axis[0] ); + VectorCopy( fd->viewaxis[1], parms.orientation.axis[1] ); + VectorCopy( fd->viewaxis[2], parms.orientation.axis[2] ); + + VectorCopy( fd->vieworg, parms.pvsOrigin ); + + if(!( fd->rdflags & RDF_NOWORLDMODEL ) && r_depthPrepass->value && ((r_forceSun->integer) || tr.sunShadows)) + { + parms.flags = VPF_USESUNLIGHT; + } + + R_RenderView( &parms ); + + if(!( fd->rdflags & RDF_NOWORLDMODEL )) + R_AddPostProcessCmd(); + + RE_EndScene(); + + tr.frontEndMsec += ri.Milliseconds() - startTime; +} |