diff --git a/Editor/ViewManager.cpp b/Editor/ViewManager.cpp
index ec22a8748..32d6906de 100644
--- a/Editor/ViewManager.cpp
+++ b/Editor/ViewManager.cpp
@@ -75,7 +75,11 @@ void ViewManager::ParticleView::draw(boo::IGraphicsCommandQueue *gfxQ)
     if (m_vm.m_modelTest.IsLoaded())
     {
         CModelFlags flags;
-        flags.m_extendedShaderIdx = 1;
+        flags.addColor.r = 0.0f;
+
+        flags.m_extendedShaderIdx = 2;
+        if (std::fmod(m_theta, M_PIF) < M_PIF / 2.f)
+            flags.m_extendedShaderIdx = 1;
 
         m_theta += 0.01f;
         CGraphics::SetModelMatrix(zeus::CTransform::RotateZ(m_theta) * zeus::CTransform::Scale(10.f));
diff --git a/Runtime/Graphics/CBooRenderer.cpp b/Runtime/Graphics/CBooRenderer.cpp
index 30775297e..feadaf18c 100644
--- a/Runtime/Graphics/CBooRenderer.cpp
+++ b/Runtime/Graphics/CBooRenderer.cpp
@@ -584,6 +584,11 @@ void CBooRenderer::DrawSpaceWarp(const zeus::CVector3f& pt, float strength)
 
 void CBooRenderer::DrawThermalModel(const CModel& model, const zeus::CColor& mulCol, const zeus::CColor& addCol)
 {
+    CModelFlags flags;
+    flags.m_extendedShaderIdx = 2;
+    flags.color = mulCol;
+    flags.addColor = addCol;
+    model.Draw(flags);
 }
 
 void CBooRenderer::DrawXRayOutline(const CModel&, const float*, const float*)
diff --git a/Runtime/Graphics/CModel.hpp b/Runtime/Graphics/CModel.hpp
index d3e2e7826..aac144322 100644
--- a/Runtime/Graphics/CModel.hpp
+++ b/Runtime/Graphics/CModel.hpp
@@ -25,7 +25,7 @@ struct CModelFlags
     u8 m_extendedShaderIdx = 0; /* 0 for shadeless, 1 for lighting, others defined in CModelShaders */
     u16 m_flags = 0; /* Flags */
     zeus::CColor color; /* Set into kcolor slot specified by material */
-    zeus::CColor addColor;
+    zeus::CColor addColor = zeus::CColor::skClear;
 
     CModelFlags() = default;
     CModelFlags(u8 blendMode, u8 shadIdx, u16 flags, const zeus::CColor& col)
diff --git a/Runtime/Graphics/CModelBoo.cpp b/Runtime/Graphics/CModelBoo.cpp
index 097e4ace4..05974565d 100644
--- a/Runtime/Graphics/CModelBoo.cpp
+++ b/Runtime/Graphics/CModelBoo.cpp
@@ -450,7 +450,7 @@ void CBooModel::UVAnimationBuffer::Update(u8*& bufOut, const MaterialSet* matSet
         u8* bufOrig = bufOut;
         for (const UVAnimation& anim : mat.uvAnims)
             ProcessAnimation(bufOut, anim);
-        bufOut = bufOrig + sizeof(zeus::CMatrix4f) * 2;
+        bufOut = bufOrig + sizeof(zeus::CMatrix4f) * 2 * 8;
         PadOutBuffer(start, bufOut);
     }
 }
diff --git a/Runtime/Graphics/Shaders/CModelShadersGLSL.cpp b/Runtime/Graphics/Shaders/CModelShadersGLSL.cpp
index c5cc59d03..76de712bc 100644
--- a/Runtime/Graphics/Shaders/CModelShadersGLSL.cpp
+++ b/Runtime/Graphics/Shaders/CModelShadersGLSL.cpp
@@ -50,10 +50,9 @@ static const char* ThermalPostGLSL =
 "    vec4 mulColor;\n"
 "    vec4 addColor;\n"
 "};\n"
-"TBINDING7 uniform sampler2D thermalLookup;\n"
 "vec4 ThermalPostFunc(vec4 colorIn)\n"
 "{\n"
-"    return texture(thermalLookup, vtf.extTcgs[0]).rrrr * mulColor + addColor;\n"
+"    return texture(tex7, vtf.extTcgs[0]).rrrr * mulColor + addColor;\n"
 "}\n"
 "\n";
 
@@ -67,7 +66,7 @@ static const char* ThermalBlockNames[] = {HECL_GLSL_VERT_UNIFORM_BLOCK_NAME,
 
 static const hecl::Backend::TextureInfo ThermalTextures[] =
 {
-    {hecl::Backend::TexGenSrc::Normal, 0, 7, true}
+    {hecl::Backend::TexGenSrc::Normal, 7, 0, 7, true}
 };
 
 hecl::Runtime::ShaderCacheExtensions
@@ -76,10 +75,12 @@ CModelShaders::GetShaderExtensionsGLSL(boo::IGraphicsDataFactory::Platform plat)
     hecl::Runtime::ShaderCacheExtensions ext(plat);
 
     /* Normal lit shading */
-    ext.registerExtensionSlot({LightingGLSL, "LightingFunc"}, {}, 3, BlockNames, 0, nullptr);
+    ext.registerExtensionSlot({LightingGLSL, "LightingFunc"}, {}, 3, BlockNames, 0, nullptr,
+                              hecl::Backend::BlendFactor::Original, hecl::Backend::BlendFactor::Original);
 
     /* Thermal Visor shading */
-    ext.registerExtensionSlot({}, {ThermalPostGLSL, "ThermalPostFunc"}, 3, ThermalBlockNames, 1, ThermalTextures);
+    ext.registerExtensionSlot({}, {ThermalPostGLSL, "ThermalPostFunc"}, 3, ThermalBlockNames, 1, ThermalTextures,
+                              hecl::Backend::BlendFactor::One, hecl::Backend::BlendFactor::One);
 
     return ext;
 }
diff --git a/hecl b/hecl
index 956e4874d..3f47a0524 160000
--- a/hecl
+++ b/hecl
@@ -1 +1 @@
-Subproject commit 956e4874dd95c06bf7d9ebd675774143c59db4b7
+Subproject commit 3f47a0524451e46c73915e81de85e0a926a29e12