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Fix for Issue #94 for Cubemap render bug

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DavidWyand-GG 2012-10-17 11:46:17 -04:00
parent 9ed0f467d8
commit eb2fd2bf5f
1 changed files with 50 additions and 42 deletions
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92
Engine/source/shaderGen/HLSL/shaderFeatureHLSL.cpp
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@ -1659,59 +1659,67 @@ void ReflectCubeFeatHLSL::processVert( Vector<ShaderComponent*> &componentList,
meta->addStatement( new GenOp( " @ = @;\r\n", outTex, inTex ) );
}
}
// create cubeTrans
bool useInstancing = fd.features[MFT_UseInstancing];
Var *cubeTrans = getObjTrans( componentList, useInstancing, meta );
// create cubeTrans
Var *cubeTrans = new Var;
cubeTrans->setType( "float3x3" );
cubeTrans->setName( "cubeTrans" );
cubeTrans->uniform = true;
cubeTrans->constSortPos = cspPrimitive;
// cube vert position
Var * cubeVertPos = new Var;
cubeVertPos->setName( "cubeVertPos" );
cubeVertPos->setType( "float3" );
LangElement *cubeVertPosDecl = new DecOp( cubeVertPos );
// create cubeEye position
Var *cubeEyePos = new Var;
cubeEyePos->setType( "float3" );
cubeEyePos->setName( "cubeEyePos" );
cubeEyePos->uniform = true;
cubeEyePos->constSortPos = cspPrimitive;
meta->addStatement( new GenOp( " @ = mul((float3x3)@, @).xyz;\r\n",
cubeVertPosDecl, cubeTrans, LangElement::find( "position" ) ) );
// cube vert position
Var * cubeVertPos = new Var;
cubeVertPos->setName( "cubeVertPos" );
cubeVertPos->setType( "float3" );
LangElement *cubeVertPosDecl = new DecOp( cubeVertPos );
// cube normal
Var * cubeNormal = new Var;
cubeNormal->setName( "cubeNormal" );
cubeNormal->setType( "float3" );
LangElement *cubeNormDecl = new DecOp( cubeNormal );
meta->addStatement( new GenOp( " @ = mul(@, @).xyz;\r\n",
cubeVertPosDecl, cubeTrans, LangElement::find( "position" ) ) );
meta->addStatement( new GenOp( " @ = normalize( mul(@, normalize(@)).xyz );\r\n",
cubeNormDecl, cubeTrans, inNormal ) );
// cube normal
Var * cubeNormal = new Var;
cubeNormal->setName( "cubeNormal" );
cubeNormal->setType( "float3" );
LangElement *cubeNormDecl = new DecOp( cubeNormal );
// grab the eye position
Var *eyePos = (Var*)LangElement::find( "eyePosWorld" );
if ( !eyePos )
{
eyePos = new Var( "eyePosWorld", "float3" );
eyePos->uniform = true;
eyePos->constSortPos = cspPass;
}
meta->addStatement( new GenOp( " @ = normalize( mul(@, normalize(@)).xyz );\r\n",
cubeNormDecl, cubeTrans, inNormal ) );
// cube position
Var * cubePos = new Var;
cubePos->setName( "cubePos" );
cubePos->setType( "float3" );
LangElement *cubePosDecl = new DecOp( cubePos );
// eye to vert
Var * eyeToVert = new Var;
eyeToVert->setName( "eyeToVert" );
eyeToVert->setType( "float3" );
LangElement *e2vDecl = new DecOp( eyeToVert );
meta->addStatement( new GenOp( " @ = float3( @[0][3], @[1][3], @[2][3] );\r\n",
cubePosDecl, cubeTrans, cubeTrans, cubeTrans ) );
meta->addStatement( new GenOp( " @ = @ - @;\r\n",
e2vDecl, cubeVertPos, cubeEyePos ) );
// eye to vert
Var * eyeToVert = new Var;
eyeToVert->setName( "eyeToVert" );
eyeToVert->setType( "float3" );
LangElement *e2vDecl = new DecOp( eyeToVert );
// grab connector texcoord register
ShaderConnector *connectComp = dynamic_cast<ShaderConnector *>( componentList[C_CONNECTOR] );
Var *reflectVec = connectComp->getElement( RT_TEXCOORD );
reflectVec->setName( "reflectVec" );
reflectVec->setStructName( "OUT" );
reflectVec->setType( "float3" );
reflectVec->mapsToSampler = true;
meta->addStatement( new GenOp( " @ = @ - ( @ - @ );\r\n",
e2vDecl, cubeVertPos, eyePos, cubePos ) );
meta->addStatement( new GenOp( " @ = reflect(@, @);\r\n", reflectVec, eyeToVert, cubeNormal ) );
// grab connector texcoord register
ShaderConnector *connectComp = dynamic_cast<ShaderConnector *>( componentList[C_CONNECTOR] );
Var *reflectVec = connectComp->getElement( RT_TEXCOORD );
reflectVec->setName( "reflectVec" );
reflectVec->setStructName( "OUT" );
reflectVec->setType( "float3" );
reflectVec->mapsToSampler = true;
output = meta;
meta->addStatement( new GenOp( " @ = reflect(@, @);\r\n", reflectVec, eyeToVert, cubeNormal ) );
output = meta;
}
void ReflectCubeFeatHLSL::processPix( Vector<ShaderComponent*> &componentList,