GITechDemo:

*fixed bug with BRDF model switching

Author: iftodebogdan

GITechDemo/Code/AppMain/GITechDemo/RenderScheme/DirectionalLightPass.cpp

@@ -93,8 +93,6 @@ void DirectionalLightPass::Update(const float fDeltaTime)
 
     texIrradianceMap = IrradianceTexture.GetTextureIndex();
     texEnvMap = EnvironmentTexture.GetTextureIndex();
-
-    nBRDFModel = gmtl::Math::clamp(nBRDFModel.GetCurrentValue(), (int)BLINN_PHONG, (int)BRDF_MODEL_MAX - 1);
 }
 
 void DirectionalLightPass::Draw()

GITechDemo/Code/AppMain/GITechDemo/RenderScheme/GBufferPass.cpp

@@ -99,6 +99,7 @@ void GBufferPass::Update(const float fDeltaTime)
     ResourceMgr->GetTexture(HyperbolicQuarterDepthBuffer.GetRenderTarget()->GetColorBuffer())->SetFilter(SF_MIN_MAG_POINT_MIP_NONE);
 
     DIFFUSE_ANISOTROPY = Math::clamp(DIFFUSE_ANISOTROPY, 1, (int)MAX_ANISOTROPY);
+    nBRDFModel = gmtl::Math::clamp(nBRDFModel.GetCurrentValue(), (int)BLINN_PHONG, (int)BRDF_MODEL_MAX - 1);
 }
 
 void GBufferPass::Draw()
@@ -159,7 +160,7 @@ void GBufferPass::Draw()
         const unsigned int matTexIdx = SponzaScene.GetTexture(Synesthesia3D::Model::TextureDesc::TT_AMBIENT, SponzaScene.GetModel()->arrMesh[mesh]->nMaterialIdx);
         const unsigned int roughnessTexIdx = SponzaScene.GetTexture(Synesthesia3D::Model::TextureDesc::TT_SHININESS, SponzaScene.GetModel()->arrMesh[mesh]->nMaterialIdx);
 
-        if (diffuseTexIdx != ~0u && ((texMatType != ~0u && texRoughness != ~0u) || nBRDFModel == BLINN_PHONG))
+        if (diffuseTexIdx != ~0u && ((matTexIdx != ~0u && roughnessTexIdx != ~0u) || nBRDFModel == BLINN_PHONG))
         {
             RenderContext->GetResourceManager()->GetTexture(diffuseTexIdx)->SetAnisotropy((unsigned int)DIFFUSE_ANISOTROPY);