Reintroducing type parameters for vertex data

res/shaders/lib/Material.slang

@@ -1,12 +1,13 @@
 import Common;
 import MaterialParameter;
 import Scene;
+import LightEnv;
 
-//interface IMaterial
+interface IMaterial
-//{
+{
-//    associatedtype BRDF: IBRDF;
+    associatedtype BRDF: IBRDF;
-//	static BRDF prepare(MaterialParameter input);
+	BRDF prepare(MaterialParameter input);
-//};
+};
 struct MaterialResources
 {
     Texture2D textureArray[512];

res/shaders/lib/StaticMeshVertexData.slang

@@ -2,7 +2,7 @@ import Common;
 import VertexData;
 import MaterialParameter;
 
-struct StaticMeshVertexData
+struct StaticMeshVertexData : IVertexData
 {
     float uint16ToFloat(uint16_t value)
     {
@@ -34,5 +34,3 @@ struct StaticMeshVertexData
 	StructuredBuffer<uint16_t> color;
 	StructuredBuffer<uint16_t> texCoords[MAX_TEXCOORDS];
 };
-layout(set=1)
-ParameterBlock<StaticMeshVertexData> pVertexData;

res/shaders/lib/VertexData.slang

@@ -6,7 +6,9 @@ struct VertexInput
 	uint instanceId: SV_InstanceID;
 }
 
-//interface IVertexData
+interface IVertexData
-//{
+{
-//    VertexAttributes getAttributes(uint index);
+    VertexAttributes getAttributes(uint index);
-//};
+};
+layout(set = 1)
+ParameterBlock<IVertexData> pVertexData;

res/shaders/raytracing/ClosestHit.slang

@@ -3,7 +3,7 @@ import MaterialParameter;
 import LightEnv;
 import Scene;
 import RayTracingData;
-import StaticMeshVertexData;
+import VertexData;
 import Material;
 import MATERIAL_FILE_NAME;
 

src/Editor/Asset/EnvironmentLoader.cpp

@@ -133,7 +133,16 @@ void EnvironmentLoader::import(EnvironmentImportArgs args, PEnvironmentMapAsset
                                                              Gfx::SE_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL,
                                                              Gfx::SE_ATTACHMENT_LOAD_OP_DONT_CARE, Gfx::SE_ATTACHMENT_STORE_OP_STORE)},
         },
-        {},
+        {
+            Gfx::SubPassDependency{
+            .srcSubpass = 0,
+            .dstSubpass = ~0U,
+            .srcStage = Gfx::SE_PIPELINE_STAGE_COLOR_ATTACHMENT_OUTPUT_BIT,
+            .dstStage = Gfx::SE_PIPELINE_STAGE_FRAGMENT_SHADER_BIT,
+            .srcAccess = Gfx::SE_ACCESS_COLOR_ATTACHMENT_WRITE_BIT,
+            .dstAccess = Gfx::SE_ACCESS_SHADER_READ_BIT,
+        }
+        },
         URect{
             .size = {SOURCE_RESOLUTION, SOURCE_RESOLUTION},
             .offset = {0, 0},

src/Engine/Graphics/RenderPass/RayTracingPass.cpp

@@ -214,6 +214,7 @@ void RayTracingPass::publishOutputs() {
         .name = "RayGenMiss",
         .modules = {"RayGen", "AnyHit", "Miss"},
         .entryPoints = {{"raygen", "RayGen"}, {"anyhit", "AnyHit"}, {"miss", "Miss"}},
+        .typeParameter = {{"IVertexData", "StaticMeshVertexData"}},
         .defines = {{"RAY_TRACING", "1"}},
         .rootSignature = pipelineLayout,
     };

src/Engine/Graphics/Shader.cpp

@@ -123,7 +123,7 @@ void ShaderCompiler::createShaders(ShaderPermutation permutation, Gfx::OPipeline
     {
         createInfo.dumpIntermediate = true;
     }
-    //createInfo.typeParameter.add({Pair<const char*, const char*>("IVertexData", permutation.vertexDataName)});
+    createInfo.typeParameter.add({Pair<const char*, const char*>("IVertexData", permutation.vertexDataName)});
     createInfo.modules.add(permutation.vertexDataName);
     //createInfo.dumpIntermediate = true;
 

src/Engine/Graphics/Vulkan/Command.cpp

@@ -344,6 +344,8 @@ void RenderCommand::drawIndexed(uint32 indexCount, uint32 instanceCount, int32 f
 }
 void RenderCommand::drawMesh(uint32 groupX, uint32 groupY, uint32 groupZ) {
     assert(threadId == std::this_thread::get_id());
+    if (groupX * groupY * groupZ == 0) // any dimension is 0
+        return;
     vkCmdDrawMeshTasksEXT(handle, groupX, groupY, groupZ);
 }
 

src/Engine/Graphics/slang-compile.cpp

@@ -147,12 +147,12 @@ void Seele::beginCompilation(const ShaderCompilationInfo& info, SlangCompileTarg
     // workaround
     if (info.name == "RayGenMiss")
     {
-        layout->addMapping("pVertexData", 1);
         layout->addMapping("pScene", 2);
         layout->addMapping("pLightEnv", 3);
         layout->addMapping("pResources", 4);
         layout->addMapping("pRayTracingParams", 5);
     }
+    layout->addMapping("pVertexData", 1);
     // layout->addMapping("pWaterMaterial", 1);
 }
 

src/Engine/Material/Material.cpp

@@ -159,9 +159,9 @@ void Material::load(ArchiveBuffer& buffer) {
 void Material::compile() {
     std::ofstream codeStream("./shaders/generated/" + materialName + ".slang");
     codeStream << "import MaterialParameter;\n";
-    codeStream << "import LightEnv;\n";
     codeStream << "import Material;\n";
-    codeStream << "struct Material{\n";
+    codeStream << "import LightEnv;\n";
+    codeStream << "struct Material : IMaterial{\n";
     codeStream << "\ttypedef " << brdf.profile << " BRDF;\n";
     codeStream << "\tstatic " << brdf.profile << " prepare(MaterialParameter input) {\n";
     codeStream << "\t\t" << brdf.profile << " result;\n";