Adding prefiltered specular reflections

src/Engine/Asset/EnvironmentMapAsset.h

@@ -14,10 +14,14 @@ class EnvironmentMapAsset : public Asset {
     Gfx::PTextureCube getSkybox() const { return skybox; }
     Gfx::PTextureCube getIrradianceMap() const { return irradianceMap; }
     Gfx::PTextureCube getPrefilteredMap() const { return prefilteredMap; }
+    Gfx::PTexture2D getBrdfLUT() const { return brdfLUT; }
+    Gfx::PSampler getLUTSampler() const { return lutSampler; }
   private:
     Gfx::OTextureCube skybox;
     Gfx::OTextureCube irradianceMap;
     Gfx::OTextureCube prefilteredMap;
+    Gfx::PTexture2D brdfLUT;
+    Gfx::PSampler lutSampler;
     friend class EnvironmentLoader;
 };
 } // namespace Seele

src/Engine/Graphics/RenderPass/BasePass.cpp

@@ -79,8 +79,8 @@ BasePass::BasePass(Gfx::PGraphics graphics, PScene scene) : RenderPass(graphics)
                                                                       });
     }
     skybox = Seele::Component::Skybox{
-        .day = scene->getLightEnvironment()->getEnvironmentMap()->getPrefilteredMap(),
-        .night = scene->getLightEnvironment()->getEnvironmentMap()->getPrefilteredMap(),
+        .day = scene->getLightEnvironment()->getEnvironmentMap()->getSkybox(),
+        .night = scene->getLightEnvironment()->getEnvironmentMap()->getSkybox(),
         .fogColor = Vector(0, 0, 0),
         .blendFactor = 0,
     };

src/Engine/Graphics/RenderPass/RayTracingPass.cpp

@@ -60,7 +60,7 @@ RayTracingPass::RayTracingPass(Gfx::PGraphics graphics, PScene scene) : RenderPa
                                                                         .useMaterial = true,
                                                                         .rayTracing = true,
                                                                     });
-    skyBox = AssetRegistry::findEnvironmentMap("", "newport_loft")->getIrradianceMap();
+    skyBox = AssetRegistry::findEnvironmentMap("", "newport_loft")->getSkybox();
     skyBoxSampler = graphics->createSampler({});
 }
 

src/Engine/Scene/LightEnvironment.cpp

@@ -1,6 +1,8 @@
 #include "LightEnvironment.h"
 #include "Asset/AssetRegistry.h"
 #include "Asset/EnvironmentMapAsset.h"
+#include "Graphics/Descriptor.h"
+#include "Graphics/Enums.h"
 #include "Graphics/Graphics.h"
 
 using namespace Seele;
@@ -40,6 +42,18 @@ LightEnvironment::LightEnvironment(Gfx::PGraphics graphics)
         .name = "irradianceSampler",
         .descriptorType = Gfx::SE_DESCRIPTOR_TYPE_SAMPLER,
     });
+    layout->addDescriptorBinding(Gfx::DescriptorBinding{
+        .name = "prefilteredMap",
+        .descriptorType = Gfx::SE_DESCRIPTOR_TYPE_SAMPLED_IMAGE,
+    });
+    layout->addDescriptorBinding(Gfx::DescriptorBinding{
+        .name = "brdfLUT",
+        .descriptorType = Gfx::SE_DESCRIPTOR_TYPE_SAMPLED_IMAGE,
+    });
+    layout->addDescriptorBinding(Gfx::DescriptorBinding{
+        .name = "lutSampler",
+        .descriptorType = Gfx::SE_DESCRIPTOR_TYPE_SAMPLER,
+    });
     layout->create();
 
     directionalLights = graphics->createShaderBuffer(ShaderBufferCreateInfo{
@@ -128,6 +142,9 @@ void LightEnvironment::commit() {
     set->updateBuffer("pointLights", 0, pointLights);
     set->updateTexture("irradianceMap", 0, environment->getIrradianceMap()->getDefaultView());
     set->updateSampler("irradianceSampler", 0, environmentSampler);
+    set->updateTexture("prefilteredMap", 0, environment->getPrefilteredMap()->getDefaultView());
+    set->updateTexture("brdfLUT", 0, environment->getBrdfLUT()->getDefaultView());
+    set->updateSampler("lutSampler", 0, environment->getLUTSampler());
     set->writeChanges();
 }