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https://github.com/TorqueGameEngines/Torque3D.git
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Engine directory for ticket #1
This commit is contained in:
DavidWyand-GG
parent
352279af7a
commit
7dbfe6994d
3795 changed files with 1363358 additions and 0 deletions
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@ -0,0 +1,636 @@
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//-----------------------------------------------------------------------------
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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/advanced/hlsl/advancedLightingFeaturesHLSL.h"
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#include "lighting/advanced/advancedLightBinManager.h"
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#include "shaderGen/langElement.h"
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#include "shaderGen/shaderOp.h"
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#include "shaderGen/conditionerFeature.h"
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#include "renderInstance/renderPrePassMgr.h"
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#include "materials/processedMaterial.h"
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#include "materials/materialFeatureTypes.h"
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void DeferredRTLightingFeatHLSL::processPixMacros( Vector<GFXShaderMacro> ¯os,
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const MaterialFeatureData &fd )
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{
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// Skip deferred features, and use forward shading instead
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if ( fd.features[MFT_ForwardShading] )
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{
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Parent::processPixMacros( macros, fd );
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return;
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}
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// Pull in the uncondition method for the light info buffer
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NamedTexTarget *texTarget = NamedTexTarget::find( AdvancedLightBinManager::smBufferName );
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if ( texTarget && texTarget->getConditioner() )
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{
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ConditionerMethodDependency *unconditionMethod = texTarget->getConditioner()->getConditionerMethodDependency(ConditionerFeature::UnconditionMethod);
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unconditionMethod->createMethodMacro( String::ToLower( AdvancedLightBinManager::smBufferName ) + "Uncondition", macros );
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addDependency(unconditionMethod);
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}
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}
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void DeferredRTLightingFeatHLSL::processVert( Vector<ShaderComponent*> &componentList,
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const MaterialFeatureData &fd )
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{
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// Skip deferred features, and use forward shading instead
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if ( fd.features[MFT_ForwardShading] )
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{
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Parent::processVert( componentList, fd );
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return;
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}
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// Pass screen space position to pixel shader to compute a full screen buffer uv
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ShaderConnector *connectComp = dynamic_cast<ShaderConnector *>( componentList[C_CONNECTOR] );
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Var *ssPos = connectComp->getElement( RT_TEXCOORD );
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ssPos->setName( "screenspacePos" );
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ssPos->setStructName( "OUT" );
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ssPos->setType( "float4" );
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Var *outPosition = (Var*) LangElement::find( "hpos" );
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AssertFatal( outPosition, "No hpos, ohnoes." );
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output = new GenOp( " @ = @;\r\n", ssPos, outPosition );
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}
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void DeferredRTLightingFeatHLSL::processPix( Vector<ShaderComponent*> &componentList,
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const MaterialFeatureData &fd )
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{
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// Skip deferred features, and use forward shading instead
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if ( fd.features[MFT_ForwardShading] )
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{
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Parent::processPix( componentList, fd );
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return;
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}
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MultiLine *meta = new MultiLine;
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ShaderConnector *connectComp = dynamic_cast<ShaderConnector *>( componentList[C_CONNECTOR] );
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Var *ssPos = connectComp->getElement( RT_TEXCOORD );
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ssPos->setName( "screenspacePos" );
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ssPos->setStructName( "IN" );
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ssPos->setType( "float4" );
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Var *uvScene = new Var;
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uvScene->setType( "float2" );
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uvScene->setName( "uvScene" );
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LangElement *uvSceneDecl = new DecOp( uvScene );
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String rtParamName = String::ToString( "rtParams%d", mLastTexIndex );
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Var *rtParams = (Var*) LangElement::find( rtParamName );
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if( !rtParams )
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{
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rtParams = new Var;
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rtParams->setType( "float4" );
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rtParams->setName( rtParamName );
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rtParams->uniform = true;
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rtParams->constSortPos = cspPass;
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}
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meta->addStatement( new GenOp( " @ = @.xy / @.w;\r\n", uvSceneDecl, ssPos, ssPos ) ); // get the screen coord... its -1 to +1
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meta->addStatement( new GenOp( " @ = ( @ + 1.0 ) / 2.0;\r\n", uvScene, uvScene ) ); // get the screen coord to 0 to 1
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meta->addStatement( new GenOp( " @.y = 1.0 - @.y;\r\n", uvScene, uvScene ) ); // flip the y axis
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meta->addStatement( new GenOp( " @ = ( @ * @.zw ) + @.xy;\r\n", uvScene, uvScene, rtParams, rtParams) ); // scale it down and offset it to the rt size
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Var *lightInfoSamp = new Var;
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lightInfoSamp->setType( "float4" );
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lightInfoSamp->setName( "lightInfoSample" );
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// create texture var
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Var *lightInfoBuffer = new Var;
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lightInfoBuffer->setType( "sampler2D" );
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lightInfoBuffer->setName( "lightInfoBuffer" );
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lightInfoBuffer->uniform = true;
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lightInfoBuffer->sampler = true;
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lightInfoBuffer->constNum = Var::getTexUnitNum(); // used as texture unit num here
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// Declare the RTLighting variables in this feature, they will either be assigned
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// in this feature, or in the tonemap/lightmap feature
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Var *d_lightcolor = new Var( "d_lightcolor", "float3" );
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meta->addStatement( new GenOp( " @;\r\n", new DecOp( d_lightcolor ) ) );
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Var *d_NL_Att = new Var( "d_NL_Att", "float" );
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meta->addStatement( new GenOp( " @;\r\n", new DecOp( d_NL_Att ) ) );
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Var *d_specular = new Var( "d_specular", "float" );
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meta->addStatement( new GenOp( " @;\r\n", new DecOp( d_specular ) ) );
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// Perform the uncondition here.
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String unconditionLightInfo = String::ToLower( AdvancedLightBinManager::smBufferName ) + "Uncondition";
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meta->addStatement( new GenOp( avar( " %s(tex2D(@, @), @, @, @);\r\n",
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unconditionLightInfo.c_str() ), lightInfoBuffer, uvScene, d_lightcolor, d_NL_Att, d_specular ) );
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// If this has an interlaced pre-pass, do averaging here
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if( fd.features[MFT_InterlacedPrePass] )
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{
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Var *oneOverTargetSize = (Var*) LangElement::find( "oneOverTargetSize" );
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if( !oneOverTargetSize )
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{
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oneOverTargetSize = new Var;
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oneOverTargetSize->setType( "float2" );
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oneOverTargetSize->setName( "oneOverTargetSize" );
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oneOverTargetSize->uniform = true;
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oneOverTargetSize->constSortPos = cspPass;
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}
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meta->addStatement( new GenOp( " float id_NL_Att, id_specular;\r\n float3 id_lightcolor;\r\n" ) );
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meta->addStatement( new GenOp( avar( " %s(tex2D(@, @ + float2(0.0, @.y)), id_lightcolor, id_NL_Att, id_specular);\r\n",
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unconditionLightInfo.c_str() ), lightInfoBuffer, uvScene, oneOverTargetSize ) );
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meta->addStatement( new GenOp(" @ = lerp(@, id_lightcolor, 0.5);\r\n", d_lightcolor, d_lightcolor ) );
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meta->addStatement( new GenOp(" @ = lerp(@, id_NL_Att, 0.5);\r\n", d_NL_Att, d_NL_Att ) );
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meta->addStatement( new GenOp(" @ = lerp(@, id_specular, 0.5);\r\n", d_specular, d_specular ) );
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}
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// This is kind of weak sauce
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if( !fd.features[MFT_VertLit] && !fd.features[MFT_ToneMap] && !fd.features[MFT_LightMap] && !fd.features[MFT_SubSurface] )
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meta->addStatement( new GenOp( " @;\r\n", assignColor( new GenOp( "float4(@, 1.0)", d_lightcolor ), Material::Mul ) ) );
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output = meta;
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}
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ShaderFeature::Resources DeferredRTLightingFeatHLSL::getResources( const MaterialFeatureData &fd )
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{
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// Skip deferred features, and use forward shading instead
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if ( fd.features[MFT_ForwardShading] )
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return Parent::getResources( fd );
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// HACK: See DeferredRTLightingFeatHLSL::setTexData.
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mLastTexIndex = 0;
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Resources res;
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res.numTex = 1;
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res.numTexReg = 1;
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return res;
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}
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void DeferredRTLightingFeatHLSL::setTexData( Material::StageData &stageDat,
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const MaterialFeatureData &fd,
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RenderPassData &passData,
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U32 &texIndex )
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{
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// Skip deferred features, and use forward shading instead
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if ( fd.features[MFT_ForwardShading] )
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{
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Parent::setTexData( stageDat, fd, passData, texIndex );
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return;
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}
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NamedTexTarget *texTarget = NamedTexTarget::find( AdvancedLightBinManager::smBufferName );
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if( texTarget )
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{
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// HACK: We store this for use in DeferredRTLightingFeatHLSL::processPix()
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// which cannot deduce the texture unit itself.
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mLastTexIndex = texIndex;
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passData.mTexType[ texIndex ] = Material::TexTarget;
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passData.mTexSlot[ texIndex++ ].texTarget = texTarget;
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}
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}
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void DeferredBumpFeatHLSL::processVert( Vector<ShaderComponent*> &componentList,
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const MaterialFeatureData &fd )
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{
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if( fd.features[MFT_PrePassConditioner] )
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{
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// There is an output conditioner active, so we need to supply a transform
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// to the pixel shader.
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MultiLine *meta = new MultiLine;
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// We need the view to tangent space transform in the pixel shader.
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getOutViewToTangent( componentList, meta, fd );
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// Make sure there are texcoords
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if( !fd.features[MFT_Parallax] && !fd.features[MFT_DiffuseMap] )
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{
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const bool useTexAnim = fd.features[MFT_TexAnim];
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getOutTexCoord( "texCoord",
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"float2",
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true,
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useTexAnim,
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meta,
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componentList );
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if ( fd.features.hasFeature( MFT_DetailNormalMap ) )
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addOutDetailTexCoord( componentList,
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meta,
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useTexAnim );
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}
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output = meta;
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}
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else if ( fd.materialFeatures[MFT_NormalsOut] ||
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fd.features[MFT_ForwardShading] ||
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!fd.features[MFT_RTLighting] )
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{
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Parent::processVert( componentList, fd );
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return;
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}
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else
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{
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output = NULL;
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}
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}
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void DeferredBumpFeatHLSL::processPix( Vector<ShaderComponent*> &componentList,
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const MaterialFeatureData &fd )
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{
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// NULL output in case nothing gets handled
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output = NULL;
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if( fd.features[MFT_PrePassConditioner] )
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{
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MultiLine *meta = new MultiLine;
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Var *viewToTangent = getInViewToTangent( componentList );
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// create texture var
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Var *bumpMap = getNormalMapTex();
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Var *texCoord = getInTexCoord( "texCoord", "float2", true, componentList );
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LangElement *texOp = new GenOp( "tex2D(@, @)", bumpMap, texCoord );
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// create bump normal
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Var *bumpNorm = new Var;
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bumpNorm->setName( "bumpNormal" );
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bumpNorm->setType( "float4" );
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LangElement *bumpNormDecl = new DecOp( bumpNorm );
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meta->addStatement( expandNormalMap( texOp, bumpNormDecl, bumpNorm, fd ) );
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// If we have a detail normal map we add the xy coords of
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// it to the base normal map. This gives us the effect we
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// want with few instructions and minial artifacts.
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if ( fd.features.hasFeature( MFT_DetailNormalMap ) )
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{
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bumpMap = new Var;
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bumpMap->setType( "sampler2D" );
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bumpMap->setName( "detailBumpMap" );
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bumpMap->uniform = true;
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bumpMap->sampler = true;
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bumpMap->constNum = Var::getTexUnitNum();
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texCoord = getInTexCoord( "detCoord", "float2", true, componentList );
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texOp = new GenOp( "tex2D(@, @)", bumpMap, texCoord );
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Var *detailBump = new Var;
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detailBump->setName( "detailBump" );
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detailBump->setType( "float4" );
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meta->addStatement( expandNormalMap( texOp, new DecOp( detailBump ), detailBump, fd ) );
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Var *detailBumpScale = new Var;
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detailBumpScale->setType( "float" );
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detailBumpScale->setName( "detailBumpStrength" );
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detailBumpScale->uniform = true;
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detailBumpScale->constSortPos = cspPass;
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meta->addStatement( new GenOp( " @.xy += @.xy * @;\r\n", bumpNorm, detailBump, detailBumpScale ) );
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}
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// This var is read from GBufferConditionerHLSL and
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// used in the prepass output.
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//
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// By using the 'half' type here we get a bunch of partial
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// precision optimized code on further operations on the normal
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// which helps alot on older Geforce cards.
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//
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Var *gbNormal = new Var;
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gbNormal->setName( "gbNormal" );
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gbNormal->setType( "half3" );
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LangElement *gbNormalDecl = new DecOp( gbNormal );
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// Normalize is done later...
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// Note: The reverse mul order is intentional. Affine matrix.
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meta->addStatement( new GenOp( " @ = (half3)mul( @.xyz, @ );\r\n", gbNormalDecl, bumpNorm, viewToTangent ) );
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output = meta;
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return;
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}
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else if ( fd.materialFeatures[MFT_NormalsOut] ||
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fd.features[MFT_ForwardShading] ||
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!fd.features[MFT_RTLighting] )
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{
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Parent::processPix( componentList, fd );
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return;
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}
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else if ( fd.features[MFT_PixSpecular] && !fd.features[MFT_SpecularMap] )
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{
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Var *bumpSample = (Var *)LangElement::find( "bumpSample" );
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if( bumpSample == NULL )
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{
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Var *texCoord = getInTexCoord( "texCoord", "float2", true, componentList );
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Var *bumpMap = getNormalMapTex();
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bumpSample = new Var;
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bumpSample->setType( "float4" );
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bumpSample->setName( "bumpSample" );
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LangElement *bumpSampleDecl = new DecOp( bumpSample );
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output = new GenOp( " @ = tex2D(@, @);\r\n", bumpSampleDecl, bumpMap, texCoord );
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return;
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}
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}
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output = NULL;
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}
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ShaderFeature::Resources DeferredBumpFeatHLSL::getResources( const MaterialFeatureData &fd )
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{
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if ( fd.materialFeatures[MFT_NormalsOut] ||
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fd.features[MFT_ForwardShading] ||
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fd.features[MFT_Parallax] ||
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!fd.features[MFT_RTLighting] )
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return Parent::getResources( fd );
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Resources res;
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if(!fd.features[MFT_SpecularMap])
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{
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res.numTex = 1;
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res.numTexReg = 1;
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if ( fd.features[MFT_PrePassConditioner] &&
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fd.features.hasFeature( MFT_DetailNormalMap ) )
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{
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res.numTex += 1;
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if ( !fd.features.hasFeature( MFT_DetailMap ) )
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res.numTexReg += 1;
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}
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}
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return res;
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}
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void DeferredBumpFeatHLSL::setTexData( Material::StageData &stageDat,
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const MaterialFeatureData &fd,
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RenderPassData &passData,
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U32 &texIndex )
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{
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if ( fd.materialFeatures[MFT_NormalsOut] ||
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fd.features[MFT_ForwardShading] ||
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!fd.features[MFT_RTLighting] )
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{
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Parent::setTexData( stageDat, fd, passData, texIndex );
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return;
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}
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if ( !fd.features[MFT_Parallax] && !fd.features[MFT_SpecularMap] &&
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( fd.features[MFT_PrePassConditioner] ||
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fd.features[MFT_PixSpecular] ) )
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{
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passData.mTexType[ texIndex ] = Material::Bump;
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passData.mTexSlot[ texIndex++ ].texObject = stageDat.getTex( MFT_NormalMap );
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if ( fd.features[MFT_PrePassConditioner] &&
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fd.features.hasFeature( MFT_DetailNormalMap ) )
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{
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passData.mTexType[ texIndex ] = Material::DetailBump;
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passData.mTexSlot[ texIndex++ ].texObject = stageDat.getTex( MFT_DetailNormalMap );
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}
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}
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}
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void DeferredPixelSpecularHLSL::processVert( Vector<ShaderComponent*> &componentList,
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const MaterialFeatureData &fd )
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{
|
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if( fd.features[MFT_ForwardShading] || !fd.features[MFT_RTLighting] )
|
||||
{
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Parent::processVert( componentList, fd );
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return;
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}
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output = NULL;
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||||
}
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void DeferredPixelSpecularHLSL::processPix( Vector<ShaderComponent*> &componentList,
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const MaterialFeatureData &fd )
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{
|
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if( fd.features[MFT_ForwardShading] || !fd.features[MFT_RTLighting] )
|
||||
{
|
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Parent::processPix( componentList, fd );
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return;
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||||
}
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||||
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||||
MultiLine *meta = new MultiLine;
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||||
|
||||
Var *specular = new Var;
|
||||
specular->setType( "float" );
|
||||
specular->setName( "specular" );
|
||||
LangElement * specDecl = new DecOp( specular );
|
||||
|
||||
Var *specCol = (Var*)LangElement::find( "specularColor" );
|
||||
if(specCol == NULL)
|
||||
{
|
||||
specCol = new Var;
|
||||
specCol->setType( "float4" );
|
||||
specCol->setName( "specularColor" );
|
||||
specCol->uniform = true;
|
||||
specCol->constSortPos = cspPotentialPrimitive;
|
||||
}
|
||||
|
||||
Var *specPow = new Var;
|
||||
specPow->setType( "float" );
|
||||
specPow->setName( "specularPower" );
|
||||
|
||||
// If the gloss map flag is set, than the specular power is in the alpha
|
||||
// channel of the specular map
|
||||
if( fd.features[ MFT_GlossMap ] )
|
||||
meta->addStatement( new GenOp( " @ = @.a * 255;\r\n", new DecOp( specPow ), specCol ) );
|
||||
else
|
||||
{
|
||||
specPow->uniform = true;
|
||||
specPow->constSortPos = cspPotentialPrimitive;
|
||||
}
|
||||
|
||||
Var *lightInfoSamp = (Var *)LangElement::find( "lightInfoSample" );
|
||||
Var *d_specular = (Var*)LangElement::find( "d_specular" );
|
||||
Var *d_NL_Att = (Var*)LangElement::find( "d_NL_Att" );
|
||||
|
||||
AssertFatal( lightInfoSamp && d_specular && d_NL_Att,
|
||||
"DeferredPixelSpecularHLSL::processPix - Something hosed the deferred features!" );
|
||||
|
||||
// (a^m)^n = a^(m*n)
|
||||
meta->addStatement( new GenOp( " @ = pow( @, ceil(@ / AL_ConstantSpecularPower)) * @;\r\n",
|
||||
specDecl, d_specular, specPow, d_NL_Att ) );
|
||||
|
||||
LangElement *specMul = new GenOp( "float4( @.rgb, 0 ) * @", specCol, specular );
|
||||
LangElement *final = specMul;
|
||||
|
||||
// We we have a normal map then mask the specular
|
||||
if( !fd.features[MFT_SpecularMap] && fd.features[MFT_NormalMap] )
|
||||
{
|
||||
Var *bumpSample = (Var*)LangElement::find( "bumpSample" );
|
||||
final = new GenOp( "@ * @.a", final, bumpSample );
|
||||
}
|
||||
|
||||
// add to color
|
||||
meta->addStatement( new GenOp( " @;\r\n", assignColor( final, Material::Add ) ) );
|
||||
|
||||
output = meta;
|
||||
}
|
||||
|
||||
ShaderFeature::Resources DeferredPixelSpecularHLSL::getResources( const MaterialFeatureData &fd )
|
||||
{
|
||||
if( fd.features[MFT_ForwardShading] || !fd.features[MFT_RTLighting] )
|
||||
return Parent::getResources( fd );
|
||||
|
||||
Resources res;
|
||||
return res;
|
||||
}
|
||||
|
||||
|
||||
ShaderFeature::Resources DeferredMinnaertHLSL::getResources( const MaterialFeatureData &fd )
|
||||
{
|
||||
Resources res;
|
||||
if( !fd.features[MFT_ForwardShading] && fd.features[MFT_RTLighting] )
|
||||
{
|
||||
res.numTex = 1;
|
||||
res.numTexReg = 1;
|
||||
}
|
||||
return res;
|
||||
}
|
||||
|
||||
void DeferredMinnaertHLSL::setTexData( Material::StageData &stageDat,
|
||||
const MaterialFeatureData &fd,
|
||||
RenderPassData &passData,
|
||||
U32 &texIndex )
|
||||
{
|
||||
if( !fd.features[MFT_ForwardShading] && fd.features[MFT_RTLighting] )
|
||||
{
|
||||
NamedTexTarget *texTarget = NamedTexTarget::find(RenderPrePassMgr::BufferName);
|
||||
if ( texTarget )
|
||||
{
|
||||
passData.mTexType[ texIndex ] = Material::TexTarget;
|
||||
passData.mTexSlot[ texIndex++ ].texTarget = texTarget;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
void DeferredMinnaertHLSL::processPixMacros( Vector<GFXShaderMacro> ¯os,
|
||||
const MaterialFeatureData &fd )
|
||||
{
|
||||
if( !fd.features[MFT_ForwardShading] && fd.features[MFT_RTLighting] )
|
||||
{
|
||||
// Pull in the uncondition method for the g buffer
|
||||
NamedTexTarget *texTarget = NamedTexTarget::find( RenderPrePassMgr::BufferName );
|
||||
if ( texTarget && texTarget->getConditioner() )
|
||||
{
|
||||
ConditionerMethodDependency *unconditionMethod = texTarget->getConditioner()->getConditionerMethodDependency(ConditionerFeature::UnconditionMethod);
|
||||
unconditionMethod->createMethodMacro( String::ToLower(RenderPrePassMgr::BufferName) + "Uncondition", macros );
|
||||
addDependency(unconditionMethod);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
void DeferredMinnaertHLSL::processVert( Vector<ShaderComponent*> &componentList,
|
||||
const MaterialFeatureData &fd )
|
||||
{
|
||||
// If there is no deferred information, bail on this feature
|
||||
if( fd.features[MFT_ForwardShading] || !fd.features[MFT_RTLighting] )
|
||||
{
|
||||
output = NULL;
|
||||
return;
|
||||
}
|
||||
|
||||
// Make sure we pass the world space position to the
|
||||
// pixel shader so we can calculate a view vector.
|
||||
MultiLine *meta = new MultiLine;
|
||||
addOutWsPosition( componentList, fd.features[MFT_UseInstancing], meta );
|
||||
output = meta;
|
||||
}
|
||||
|
||||
void DeferredMinnaertHLSL::processPix( Vector<ShaderComponent*> &componentList,
|
||||
const MaterialFeatureData &fd )
|
||||
{
|
||||
// If there is no deferred information, bail on this feature
|
||||
if( fd.features[MFT_ForwardShading] || !fd.features[MFT_RTLighting] )
|
||||
{
|
||||
output = NULL;
|
||||
return;
|
||||
}
|
||||
|
||||
Var *minnaertConstant = new Var;
|
||||
minnaertConstant->setType( "float" );
|
||||
minnaertConstant->setName( "minnaertConstant" );
|
||||
minnaertConstant->uniform = true;
|
||||
minnaertConstant->constSortPos = cspPotentialPrimitive;
|
||||
|
||||
// create texture var
|
||||
Var *prepassBuffer = new Var;
|
||||
prepassBuffer->setType( "sampler2D" );
|
||||
prepassBuffer->setName( "prepassBuffer" );
|
||||
prepassBuffer->uniform = true;
|
||||
prepassBuffer->sampler = true;
|
||||
prepassBuffer->constNum = Var::getTexUnitNum(); // used as texture unit num here
|
||||
|
||||
// Texture coord
|
||||
Var *uvScene = (Var*) LangElement::find( "uvScene" );
|
||||
AssertFatal(uvScene != NULL, "Unable to find UVScene, no RTLighting feature?");
|
||||
|
||||
MultiLine *meta = new MultiLine;
|
||||
|
||||
// Get the world space view vector.
|
||||
Var *wsViewVec = getWsView( getInWsPosition( componentList ), meta );
|
||||
|
||||
String unconditionPrePassMethod = String::ToLower(RenderPrePassMgr::BufferName) + "Uncondition";
|
||||
|
||||
Var *d_NL_Att = (Var*)LangElement::find( "d_NL_Att" );
|
||||
|
||||
meta->addStatement( new GenOp( avar( " float4 normalDepth = %s(@, @);\r\n", unconditionPrePassMethod.c_str() ), prepassBuffer, uvScene ) );
|
||||
meta->addStatement( new GenOp( " float vDotN = dot(normalDepth.xyz, @);\r\n", wsViewVec ) );
|
||||
meta->addStatement( new GenOp( " float Minnaert = pow( @, @) * pow(vDotN, 1.0 - @);\r\n", d_NL_Att, minnaertConstant, minnaertConstant ) );
|
||||
meta->addStatement( new GenOp( " @;\r\n", assignColor( new GenOp( "float4(Minnaert, Minnaert, Minnaert, 1.0)" ), Material::Mul ) ) );
|
||||
|
||||
output = meta;
|
||||
}
|
||||
|
||||
|
||||
void DeferredSubSurfaceHLSL::processPix( Vector<ShaderComponent*> &componentList,
|
||||
const MaterialFeatureData &fd )
|
||||
{
|
||||
// If there is no deferred information, bail on this feature
|
||||
if( fd.features[MFT_ForwardShading] || !fd.features[MFT_RTLighting] )
|
||||
{
|
||||
output = NULL;
|
||||
return;
|
||||
}
|
||||
|
||||
Var *subSurfaceParams = new Var;
|
||||
subSurfaceParams->setType( "float4" );
|
||||
subSurfaceParams->setName( "subSurfaceParams" );
|
||||
subSurfaceParams->uniform = true;
|
||||
subSurfaceParams->constSortPos = cspPotentialPrimitive;
|
||||
|
||||
Var *d_lightcolor = (Var*)LangElement::find( "d_lightcolor" );
|
||||
Var *d_NL_Att = (Var*)LangElement::find( "d_NL_Att" );
|
||||
|
||||
MultiLine *meta = new MultiLine;
|
||||
meta->addStatement( new GenOp( " float subLamb = smoothstep(-@.a, 1.0, @) - smoothstep(0.0, 1.0, @);\r\n", subSurfaceParams, d_NL_Att, d_NL_Att ) );
|
||||
meta->addStatement( new GenOp( " subLamb = max(0.0, subLamb);\r\n" ) );
|
||||
meta->addStatement( new GenOp( " @;\r\n", assignColor( new GenOp( "float4(@ + (subLamb * @.rgb), 1.0)", d_lightcolor, subSurfaceParams ), Material::Mul ) ) );
|
||||
|
||||
output = meta;
|
||||
}
|
||||
Loading…
Add table
Add a link
Reference in a new issue