mirror of
https://github.com/TorqueGameEngines/Torque3D.git
synced 2026-01-20 20:54:46 +00:00
593d0ef9f0
1) fix spotlight shadow casting. we weren't properly accounting for reversedepthbuffer there 2) fix mismatched variables in forward lit spotlight param array 3) use disney diffuse in the generalized brdf, and apply it for spotlights after angular attenuation, not before 4) .provide a generailze luxTargMultiplier approach for spot and point lights (as well as future growth areas) so that range, angle ect can impact the brightness variable sent to a given light source shader without perpixel overhead 5) for spotlightParams in particular, use sizeof(point4f) for the alignedarray untill that's properly reviewed/revised 6) narrow attenuation slightly based on a given lights dot product to prevent tool vs outcome leakage, plus provide safeties for when a given spotslight's inner and outter angles match identially
130 lines
4.9 KiB
C++
130 lines
4.9 KiB
C++
//-----------------------------------------------------------------------------
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// Copyright (c) 2012 GarageGames, LLC
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to
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// deal in the Software without restriction, including without limitation the
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// rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
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// sell copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in
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// all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
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// IN THE SOFTWARE.
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//-----------------------------------------------------------------------------
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#include "platform/platform.h"
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#include "lighting/shadowMap/singleLightShadowMap.h"
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#include "lighting/shadowMap/shadowMapManager.h"
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#include "lighting/common/lightMapParams.h"
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#include "console/console.h"
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#include "scene/sceneManager.h"
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#include "scene/sceneRenderState.h"
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//#include "scene/sceneReflectPass.h"
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#include "gfx/gfxDevice.h"
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#include "gfx/util/gfxFrustumSaver.h"
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#include "gfx/gfxTransformSaver.h"
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#include "renderInstance/renderPassManager.h"
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SingleLightShadowMap::SingleLightShadowMap( LightInfo *light )
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: LightShadowMap( light )
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{
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}
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SingleLightShadowMap::~SingleLightShadowMap()
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{
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releaseTextures();
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}
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void SingleLightShadowMap::_render( RenderPassManager* renderPass,
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const SceneRenderState *diffuseState )
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{
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PROFILE_SCOPE(SingleLightShadowMap_render);
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const LightMapParams *lmParams = mLight->getExtended<LightMapParams>();
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const bool bUseLightmappedGeometry = lmParams ? !lmParams->representedInLightmap || lmParams->includeLightmappedGeometryInShadow : true;
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const U32 texSize = getBestTexSize();
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if ( mShadowMapTex.isNull() ||
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mTexSize != texSize )
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{
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mTexSize = texSize;
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mShadowMapTex.set( mTexSize, mTexSize,
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ShadowMapFormat, &ShadowMapProfile,
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"SingleLightShadowMap" );
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}
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GFXFrustumSaver frustSaver;
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GFXTransformSaver saver;
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MatrixF lightMatrix;
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calcLightMatrices( lightMatrix, diffuseState->getCameraFrustum() );
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lightMatrix.inverse();
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GFX->setWorldMatrix(lightMatrix);
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MatrixF lightProj = GFX->getProjectionMatrix();
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lightProj.reverseProjection();
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mWorldToLightProj = lightProj * lightMatrix;
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// Render the shadowmap!
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GFX->pushActiveRenderTarget();
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mTarget->attachTexture( GFXTextureTarget::Color0, mShadowMapTex );
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mTarget->attachTexture( GFXTextureTarget::DepthStencil,
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_getDepthTarget( mShadowMapTex->getWidth(), mShadowMapTex->getHeight() ) );
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GFX->setActiveRenderTarget(mTarget);
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GFX->clear(GFXClearStencil | GFXClearZBuffer | GFXClearTarget, ColorI(255,255,255), 0.0f, 0);
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SceneManager* sceneManager = diffuseState->getSceneManager();
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SceneRenderState shadowRenderState
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(
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sceneManager,
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SPT_Shadow,
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SceneCameraState::fromGFXWithViewport( diffuseState->getViewport() ),
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renderPass
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);
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shadowRenderState.getMaterialDelegate().bind( this, &LightShadowMap::getShadowMaterial );
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shadowRenderState.renderNonLightmappedMeshes( true );
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shadowRenderState.renderLightmappedMeshes( bUseLightmappedGeometry );
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shadowRenderState.setDiffuseCameraTransform( diffuseState->getCameraTransform() );
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shadowRenderState.setWorldToScreenScale( diffuseState->getWorldToScreenScale() );
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sceneManager->renderSceneNoLights( &shadowRenderState, SHADOW_TYPEMASK );
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_debugRender( &shadowRenderState );
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mTarget->resolve();
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GFX->popActiveRenderTarget();
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}
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void SingleLightShadowMap::setShaderParameters(GFXShaderConstBuffer* params, LightingShaderConstants* lsc)
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{
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if ( lsc->mTapRotationTexSC->isValid() )
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GFX->setTexture( lsc->mTapRotationTexSC->getSamplerRegister(),
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SHADOWMGR->getTapRotationTex() );
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ShadowMapParams *p = mLight->getExtended<ShadowMapParams>();
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if ( lsc->mLightParamsSC->isValid() )
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{
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Point4F lightParams( mLight->getRange().x,
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p->overDarkFactor.x,
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0.0f,
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0.0f );
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params->set(lsc->mLightParamsSC, lightParams);
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}
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// The softness is a factor of the texel size.
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params->setSafe( lsc->mShadowSoftnessConst, p->shadowSoftness * ( 1.0f / mTexSize ) );
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}
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