Adding vertex input description, readding slang

.gitmodules

@@ -3,4 +3,7 @@
 	url = https://github.com/d-bahr/CRCpp.git
 [submodule "external/vcpkg"]
 	path = external/vcpkg
-	url = https://github.com/Microsoft/vcpkg.git
+	url = https://github.com/Microsoft/vcpkg.git
+[submodule "external/slang"]
+	path = external/slang
+	url = https://github.com/shader-slang/slang.git

res/shaders/LegacyBasePass.slang

@@ -4,11 +4,10 @@ import MaterialParameter;
 import Scene;
 
 [shader("vertex")]
-FragmentParameter vertexMain(	
-	uint vertexId: SV_VertexID,
-	uint instanceId: SV_InstanceID,
+FragmentParameter vertexMain(
+	VertexInput input
 ){
-	InstanceData inst = pScene.instances[instanceId];
-	VertexAttributes attr = pVertexData.getAttributes(vertexId);
+	InstanceData inst = pScene.instances[input.instanceId];
+	VertexAttributes attr = pVertexData.getAttributes(input.vertexId);
 	return attr.getParameter(inst.transformMatrix);
 }

res/shaders/lib/VertexData.slang

@@ -1,5 +1,11 @@
 import MaterialParameter;
 
+struct VertexInput
+{
+	uint vertexId;
+	uint instanceId: SV_InstanceID;
+}
+
 interface IVertexData
 {
 	VertexAttributes getAttributes(uint index);

src/Editor/Asset/MeshLoader.cpp

@@ -338,7 +338,7 @@ void MeshLoader::import(MeshImportArgs args, PMeshAsset meshAsset)
         aiProcess_GenUVCoords |
         aiProcess_FindDegenerates));
     const aiScene *scene = importer.ApplyPostProcessing(aiProcess_CalcTangentSpace | aiProcess_ImproveCacheLocality);
-    
+
     Array<PMaterialInstanceAsset> globalMaterials(scene->mNumMaterials);
     loadTextures(scene, args.filePath.parent_path(), args.importPath);
     loadMaterials(scene, args.filePath.stem().string(), args.filePath.parent_path(), args.importPath, globalMaterials);

src/Editor/main.cpp

@@ -65,9 +65,6 @@ int main()
     AssetImporter::importMesh(MeshImportArgs{
         .filePath= sourcePath / "old_resources/models/cube.fbx",
         });
-    AssetImporter::importMesh(MeshImportArgs{
-        .filePath = sourcePath / "old_resources/models/sponza/sponza.gltf",
-        });
     //AssetImporter::importMesh(MeshImportArgs{
     //    .filePath= sourcePath / "old_resources/models/flameThrower.fbx",
     //    });

src/Engine/Graphics/Graphics.h

@@ -82,6 +82,8 @@ public:
   	virtual ODescriptorLayout createDescriptorLayout(const std::string& name = "") = 0;
   	virtual OPipelineLayout createPipelineLayout(PPipelineLayout baseLayout = nullptr) = 0;
 
+    virtual OVertexInput createVertexInput(VertexInputStateCreateInfo createInfo) = 0;
+
     virtual void resolveTexture(Gfx::PTexture source, Gfx::PTexture destination) = 0;
 
     bool supportMeshShading() const { return meshShadingEnabled; }

src/Engine/Graphics/Initializer.h

@@ -118,7 +118,24 @@ struct ShaderCreateInfo
     Array<Pair<const char*, const char*>>   typeParameter;
     Map<const char*, const char*>           defines;
 };
-
+struct VertexInputBinding
+{
+    uint32 binding;
+    uint32 stride;
+    Gfx::SeVertexInputRate inputRate;
+};
+struct VertexInputAttribute
+{
+    uint32 location;
+    uint32 binding;
+    Gfx::SeFormat format;
+    uint32 offset;
+};
+struct VertexInputStateCreateInfo
+{
+    Array<VertexInputBinding> bindings;
+    Array<VertexInputAttribute> attributes;
+};
 namespace Gfx
 {
 struct SePushConstantRange
@@ -180,6 +197,7 @@ struct ColorBlendState
     StaticArray<float, 4>               blendConstants;
 };
 
+DECLARE_REF(VertexInput)
 DECLARE_REF(VertexShader)
 DECLARE_REF(TaskShader)
 DECLARE_REF(MeshShader)
@@ -190,6 +208,7 @@ DECLARE_REF(PipelineLayout)
 struct LegacyPipelineCreateInfo
 {
     SePrimitiveTopology topology;
+    PVertexInput        vertexInput;
     PVertexShader       vertexShader;
     PFragmentShader     fragmentShader;
     PRenderPass         renderPass;

src/Engine/Graphics/Pipeline.cpp

@@ -3,6 +3,15 @@
 using namespace Seele;
 using namespace Seele::Gfx;
 
+VertexInput::VertexInput(VertexInputStateCreateInfo createInfo)
+    : createInfo(createInfo)
+{
+}
+
+VertexInput::~VertexInput()
+{
+}
+
 GraphicsPipeline::GraphicsPipeline(OPipelineLayout layout) 
     : layout(std::move(layout))
 {

src/Engine/Graphics/Pipeline.h

@@ -6,6 +6,15 @@ namespace Seele
 {
 namespace Gfx
 {
+class VertexInput
+{
+public:
+    VertexInput(VertexInputStateCreateInfo createInfo);
+    virtual ~VertexInput();
+    const VertexInputStateCreateInfo& getInfo() const { return createInfo; }
+private:
+    VertexInputStateCreateInfo createInfo;
+};
 class GraphicsPipeline
 {
 public:

src/Engine/Graphics/Vulkan/Graphics.cpp

@@ -249,6 +249,11 @@ Gfx::OPipelineLayout Graphics::createPipelineLayout(Gfx::PPipelineLayout baseLay
     return new PipelineLayout(this, baseLayout);
 }
 
+Gfx::OVertexInput Graphics::createVertexInput(VertexInputStateCreateInfo createInfo)
+{
+    return new VertexInput(createInfo);
+}
+
 void Graphics::resolveTexture(Gfx::PTexture source, Gfx::PTexture destination)
 {
     PTextureBase sourceTex = source.cast<TextureBase>();

src/Engine/Graphics/Vulkan/Graphics.h

@@ -66,6 +66,8 @@ public:
     virtual Gfx::ODescriptorLayout createDescriptorLayout(const std::string& name = "") override;
     virtual Gfx::OPipelineLayout createPipelineLayout(Gfx::PPipelineLayout baseLayout = nullptr) override;
 
+    virtual Gfx::OVertexInput createVertexInput(VertexInputStateCreateInfo createInfo) override;
+
     virtual void resolveTexture(Gfx::PTexture source, Gfx::PTexture destination) override;
 
     void vkCmdDrawMeshTasksEXT(VkCommandBuffer handle, uint32 groupX, uint32 groupY, uint32 groupZ);

src/Engine/Graphics/Vulkan/Pipeline.cpp

@@ -5,6 +5,15 @@
 using namespace Seele;
 using namespace Seele::Vulkan;
 
+VertexInput::VertexInput(VertexInputStateCreateInfo createInfo)
+    : Gfx::VertexInput(createInfo)
+{
+}
+
+VertexInput::~VertexInput()
+{
+}
+
 GraphicsPipeline::GraphicsPipeline(PGraphics graphics, VkPipeline handle, Gfx::OPipelineLayout pipelineLayout)
     : Gfx::GraphicsPipeline(std::move(pipelineLayout))
     , graphics(graphics)

src/Engine/Graphics/Vulkan/Pipeline.h

@@ -6,6 +6,13 @@ namespace Seele
 {
 namespace Vulkan
 {
+class VertexInput : public Gfx::VertexInput
+{
+public:
+    VertexInput(VertexInputStateCreateInfo createInfo);
+    virtual ~VertexInput();
+private:
+};
 DECLARE_REF(PipelineLayout)
 DECLARE_REF(Graphics)
 class GraphicsPipeline : public Gfx::GraphicsPipeline

src/Engine/Graphics/Vulkan/PipelineCache.cpp

@@ -52,10 +52,36 @@ PGraphicsPipeline PipelineCache::createPipeline(Gfx::LegacyPipelineCreateInfo gf
 {
     PPipelineLayout layout = Gfx::PPipelineLayout(gfxInfo.pipelineLayout).cast<PipelineLayout>();
     uint32 hash = layout->getHash();
+    const VertexInputStateCreateInfo& vertexInputDesc = gfxInfo.vertexInput->getInfo();
+    Array<VkVertexInputBindingDescription> bindings(vertexInputDesc.bindings.size());
+    Array<VkVertexInputAttributeDescription> attributes(vertexInputDesc.attributes.size());
+    for (size_t i = 0; i < bindings.size(); i++)
+    {
+        bindings[i] = {
+            .binding = vertexInputDesc.bindings[i].binding,
+            .stride = vertexInputDesc.bindings[i].stride,
+            .inputRate = VkVertexInputRate(vertexInputDesc.bindings[i].inputRate),
+        };
+    }
+    for (size_t i = 0; i < attributes.size(); i++)
+    {
+        attributes[i] = {
+            .location = vertexInputDesc.attributes[i].location,
+            .binding = vertexInputDesc.attributes[i].binding,
+            .format = cast(vertexInputDesc.attributes[i].format),
+            .offset = vertexInputDesc.attributes[i].offset,
+        };
+    }
+    hash = CRC::Calculate(bindings.data(), sizeof(VkVertexInputBindingDescription) * bindings.size(), CRC::CRC_32(), hash);
+    hash = CRC::Calculate(attributes.data(), sizeof(VkVertexInputAttributeDescription) * attributes.size(), CRC::CRC_32(), hash);
     VkPipelineVertexInputStateCreateInfo vertexInput = {
         .sType = VK_STRUCTURE_TYPE_PIPELINE_VERTEX_INPUT_STATE_CREATE_INFO,
         .pNext = nullptr,
         .flags = 0,
+        .vertexBindingDescriptionCount = (uint32)bindings.size(),
+        .pVertexBindingDescriptions = bindings.data(),
+        .vertexAttributeDescriptionCount = (uint32)attributes.size(),
+        .pVertexAttributeDescriptions = attributes.data(),
     };
     uint32 stageCount = 0;
 

src/Engine/Graphics/Vulkan/Shader.cpp

@@ -63,7 +63,6 @@ void Shader::create(const ShaderCreateInfo& createInfo)
 
     Slang::ComPtr<slang::ISession> session;
     CHECK_RESULT(globalSession->createSession(sessionDesc, session.writeRef()));
-
     Slang::ComPtr<slang::IBlob> diagnostics;
     Array<slang::IComponentType*> modules;
     Slang::ComPtr<slang::IEntryPoint> entrypoint;