Fixing descriptors a little

src/Editor/Asset/MaterialLoader.cpp

@@ -62,7 +62,7 @@ void MaterialLoader::import(MaterialImportArgs args, PMaterialAsset asset)
         // TODO: ALIGNMENT RULES
         if(type.compare("float") == 0)
         {
-            OFloatParameter p = new FloatParameter(param.key(), uniformBufferOffset, 0);
+            OFloatParameter p = new FloatParameter(param.key(), uniformBufferOffset, uniformBinding);
             if(uniformBinding == -1)
             {
                 layout->addDescriptorBinding(bindingCounter, Gfx::SE_DESCRIPTOR_TYPE_UNIFORM_BUFFER);
@@ -79,7 +79,7 @@ void MaterialLoader::import(MaterialImportArgs args, PMaterialAsset asset)
         // TODO: ALIGNMENT RULES
         else if(type.compare("float3") == 0)
         {
-            OVectorParameter p = new VectorParameter(param.key(), uniformBufferOffset, 0);
+            OVectorParameter p = new VectorParameter(param.key(), uniformBufferOffset, uniformBinding);
             if(uniformBinding == -1)
             {
                 layout->addDescriptorBinding(bindingCounter, Gfx::SE_DESCRIPTOR_TYPE_UNIFORM_BUFFER);

src/Editor/Asset/MeshLoader.cpp

@@ -54,10 +54,6 @@ void MeshLoader::loadMaterials(const aiScene* scene, const std::string& baseName
         matCode["profile"] = "BlinnPhong"; //TODO: other shading models
         aiString texPath;
         //TODO make samplers based on used textures
-        matCode["params"]["textureSampler"] =
-            {
-                {"type", "SamplerState"}
-            };
         if(material->GetTexture(aiTextureType_DIFFUSE, 0, &texPath) == AI_SUCCESS)
         {
             std::string texFilename = std::filesystem::path(texPath.C_Str()).stem().string();
@@ -66,11 +62,15 @@ void MeshLoader::loadMaterials(const aiScene* scene, const std::string& baseName
                     {"type", "Texture2D"}, 
                     {"default", texFilename}
                 };
+            matCode["params"]["diffuseSampler"] =
+            {
+                {"type", "SamplerState"}
+            };
             matCode["code"].push_back(
                 {
                     { "exp",  "Sample" },
                     { "texture", "diffuseTexture" },
-                    { "sampler", "textureSampler" },
+                    { "sampler", "diffuseSampler" },
                     { "coords", "input.texCoords[0]"}
                 }
             );

src/Engine/Graphics/Vulkan/DescriptorSets.cpp

@@ -331,9 +331,11 @@ Gfx::PDescriptorSet DescriptorAllocator::allocateDescriptorSet()
             counts = binding.descriptorCount;
         }
     }
+    if (layout.bindings.size() > 0)
+    {
         setCounts.pDescriptorCounts = &counts;
         allocInfo.pNext = &setCounts;
-
+    }
     for(uint32 setIndex = 0; setIndex < cachedHandles.size(); ++setIndex)
     {
         if(cachedHandles[setIndex] == nullptr)

src/Engine/Graphics/Vulkan/Shader.cpp

@@ -27,6 +27,9 @@ uint32 Seele::Vulkan::Shader::getShaderHash() const
     return hash;
 }
 
+#define CHECK_RESULT(x) {SlangResult r = x; if(r != 0) {throw std::runtime_error(std::format("Error: {0}", r));}}
+#define CHECK_DIAGNOSTICS() {if(diagnostics) {std::cout << (const char*)diagnostics->getBufferPointer() << std::endl; assert(false);}}
+
 void Shader::create(const ShaderCreateInfo& createInfo)
 {
     entryPointName = createInfo.entryPoint;
@@ -58,7 +61,7 @@ void Shader::create(const ShaderCreateInfo& createInfo)
     sessionDesc.searchPathCount = searchPaths.size();
 
     Slang::ComPtr<slang::ISession> session;
-    globalSession->createSession(sessionDesc, session.writeRef());
+    CHECK_RESULT(globalSession->createSession(sessionDesc, session.writeRef()));
 
     Slang::ComPtr<slang::IBlob> diagnostics;
     Array<slang::IComponentType*> modules;
@@ -71,16 +74,10 @@ void Shader::create(const ShaderCreateInfo& createInfo)
         {
             mainModule = (slang::IModule*)modules.back();
         }
-        if(diagnostics)
+        CHECK_DIAGNOSTICS();
-        {
-            std::cout << (const char*)diagnostics->getBufferPointer() << std::endl;
-        }
     }
 
-    if(diagnostics)
+    CHECK_DIAGNOSTICS();
-    {
-        std::cout << (const char*)diagnostics->getBufferPointer() << std::endl;
-    }
 
     mainModule->findEntryPointByName(createInfo.entryPoint.c_str(), entrypoint.writeRef());
     modules.add(entrypoint);
@@ -88,23 +85,16 @@ void Shader::create(const ShaderCreateInfo& createInfo)
     Slang::ComPtr<slang::IComponentType> moduleComposition;
     session->createCompositeComponentType(modules.data(), modules.size(), moduleComposition.writeRef(), diagnostics.writeRef());
 
-    if(diagnostics)
+    CHECK_DIAGNOSTICS();
-    {
-        std::cout << (const char*)diagnostics->getBufferPointer() << std::endl;
-    }
     
     Slang::ComPtr<slang::IComponentType> linkedProgram;
     moduleComposition->link(linkedProgram.writeRef(), diagnostics.writeRef());
-    if(diagnostics)
+
-    {
+    CHECK_DIAGNOSTICS();
-        std::cout << (const char*)diagnostics->getBufferPointer() << std::endl;
-    }
 
     slang::ProgramLayout* reflection = linkedProgram->getLayout(0, diagnostics.writeRef());
-    if(diagnostics)
+
-    {
+    CHECK_DIAGNOSTICS();
-        std::cout << (const char*)diagnostics->getBufferPointer() << std::endl;
-    }
 
     Array<slang::SpecializationArg> specialization;
     for(const auto& [key, value] : createInfo.typeParameter)
@@ -113,10 +103,8 @@ void Shader::create(const ShaderCreateInfo& createInfo)
     }
     Slang::ComPtr<slang::IComponentType> specializedComponent;
     linkedProgram->specialize(specialization.data(), specialization.size(), specializedComponent.writeRef(), diagnostics.writeRef());
-    if(diagnostics)
+    CHECK_DIAGNOSTICS();
-    {
+
-        std::cout << (const char*)diagnostics->getBufferPointer() << std::endl;
-    }
     Slang::ComPtr<slang::IBlob> kernelBlob;
     specializedComponent->getEntryPointCode(
         0,
@@ -124,16 +112,13 @@ void Shader::create(const ShaderCreateInfo& createInfo)
         kernelBlob.writeRef(),
         diagnostics.writeRef()
     );
-    if(diagnostics)
+    CHECK_DIAGNOSTICS();
-    {
+
-        std::cout << (const char*)diagnostics->getBufferPointer() << std::endl;
-    }
     for (uint32 i = 0; i < reflection->getParameterCount(); ++i)
     {
         slang::VariableLayoutReflection* varLayout = reflection->getParameterByIndex(i);
-        std::cout << varLayout->getName() << " in space " << varLayout->getBindingSpace() << " index " << varLayout->getBindingIndex() << std::endl;
+        //std::cout << varLayout->getName() << " in space " << varLayout->getBindingSpace() << " index " << varLayout->getBindingIndex() << std::endl;
     }
-    std::cout << reflection->getGlobalConstantBufferSize() << std::endl;
     VkShaderModuleCreateInfo moduleInfo =
     {
         .sType = VK_STRUCTURE_TYPE_SHADER_MODULE_CREATE_INFO,
@@ -146,5 +131,4 @@ void Shader::create(const ShaderCreateInfo& createInfo)
 
     hash = CRC::Calculate(entryPointName.data(), entryPointName.size(), CRC::CRC_32());
     hash = CRC::Calculate(kernelBlob->getBufferPointer(), kernelBlob->getBufferSize(), CRC::CRC_32(), hash);
-    std::cout << "Creating Shader" << std::endl;
 }

src/Engine/Material/MaterialInstance.cpp

@@ -39,6 +39,7 @@ MaterialInstance::MaterialInstance(uint64 id,
         OShaderParameter param;
         Serialization::load(buffer, param);
         parameters.add(std::move(param));
+        buffer.rewind();
     }
 }
 
@@ -50,7 +51,6 @@ MaterialInstance::~MaterialInstance()
 void MaterialInstance::updateDescriptor()
 {
     Gfx::PDescriptorLayout layout = baseMaterial->getMaterial()->getDescriptorLayout();
-    layout->reset();
     descriptor = layout->allocateDescriptorSet();
     for (auto& param : parameters)
     {

src/Engine/Material/ShaderExpression.cpp

@@ -79,7 +79,6 @@ std::string ShaderParameter::evaluate(Map<std::string, std::string>& varState) c
 void ShaderParameter::save(ArchiveBuffer& buffer) const
 {
     ShaderExpression::save(buffer);
-    Serialization::save(buffer, key);
     Serialization::save(buffer, byteOffset);
     Serialization::save(buffer, binding);
 }
@@ -87,7 +86,6 @@ void ShaderParameter::save(ArchiveBuffer& buffer) const
 void ShaderParameter::load(ArchiveBuffer& buffer)
 {
     ShaderExpression::load(buffer);
-    Serialization::load(buffer, key);
     Serialization::load(buffer, byteOffset);
     Serialization::load(buffer, binding);
 }

src/Engine/Scene/LightEnvironment.cpp

@@ -60,6 +60,10 @@ void LightEnvironment::addPointLight(Component::PointLight pointLight)
 
 void LightEnvironment::commit()
 {
+    dirs.add(Component::DirectionalLight{
+        .color = Vector4(1, 1, 1, 1),
+        .direction = Vector4(1, 0, 1, 0),
+        });
     lightEnv.numDirectionalLights = dirs.size();
     lightEnv.numPointLights = points.size();
     lightEnvBuffer->updateContents(DataSource{