Implementing graphics layer changes in metal

src/Engine/Asset/AssetRegistry.cpp

@@ -227,7 +227,7 @@ void AssetRegistry::initialize(const std::filesystem::path& _rootFolder, Gfx::PG
     this->assetRoot = new AssetFolder("");
     if (!std::filesystem::exists(rootFolder))
     {
-        std::filesystem::create_directories(rootFolder);
+        //std::filesystem::create_directories(rootFolder);
     }
     else if (!std::filesystem::is_directory(rootFolder))
     {

src/Engine/Graphics/Metal/Command.mm

@@ -128,16 +128,17 @@ void RenderCommand::bindPipeline(Gfx::PRayTracingPipeline pipeline) {}
 
 void RenderCommand::bindDescriptor(Gfx::PDescriptorSet descriptorSet) {
     auto metalSet = descriptorSet.cast<DescriptorSet>();
-    metalSet->bind();
-    boundResources.add(metalSet);
+    auto setHandle = metalSet->setHandle;
+    setHandle->bind();
+    boundResources.add(setHandle);
     uint32 descriptorIndex = boundPipeline->getPipelineLayout()->findParameter(metalSet->getLayout()->getName());
     
-    auto createEncoder = [&metalSet, descriptorIndex](MTL::Function* function, const Array<uint32>& usedSets) {
-        if(metalSet->encoder == nullptr) {
+    auto createEncoder = [metalSet, &setHandle, descriptorIndex](MTL::Function* function, const Array<uint32>& usedSets) {
+        if(setHandle->encoder == nullptr) {
             if (metalSet->isPlainDescriptor()) {
-                metalSet->encoder = metalSet->createEncoder();
+                setHandle->encoder = metalSet->createEncoder();
             } else if (function != nullptr && usedSets.contains(descriptorIndex)) {
-                metalSet->encoder = function->newArgumentEncoder(descriptorIndex);
+                setHandle->encoder = function->newArgumentEncoder(descriptorIndex);
             }
         }
     };
@@ -145,39 +146,39 @@ void RenderCommand::bindDescriptor(Gfx::PDescriptorSet descriptorSet) {
     createEncoder(boundPipeline->meshFunction, boundPipeline->meshSets);
     createEncoder(boundPipeline->vertexFunction, boundPipeline->vertexSets);
     createEncoder(boundPipeline->fragmentFunction, boundPipeline->fragmentSets);
-    if(metalSet->argumentBuffer == nullptr) {
-        metalSet->argumentBuffer = new BufferAllocation(metalSet->graphics, "ArgumentBuffer", metalSet->encoder->encodedLength());
-        metalSet->encoder->setArgumentBuffer(metalSet->argumentBuffer->buffer, 0);
+    if(setHandle->argumentBuffer == nullptr) {
+        setHandle->argumentBuffer = new BufferAllocation(setHandle->graphics, "ArgumentBuffer", setHandle->encoder->encodedLength());
+        setHandle->encoder->setArgumentBuffer(setHandle->argumentBuffer->buffer, 0);
     }
-    metalSet->argumentBuffer->bind();
-    boundResources.add(PBufferAllocation(metalSet->argumentBuffer));
-    for (const auto& write : metalSet->uniformWrites) {
-        write.apply(metalSet->encoder);
+    setHandle->argumentBuffer->bind();
+    boundResources.add(PBufferAllocation(setHandle->argumentBuffer));
+    for (const auto& write : setHandle->uniformWrites) {
+        write.apply(setHandle->encoder);
     }
-    for (const auto& write : metalSet->bufferWrites) {
-        write.apply(metalSet->encoder);
+    for (const auto& write : setHandle->bufferWrites) {
+        write.apply(setHandle->encoder);
         encoder->useResource(write.buffer->buffer, write.access);
     }
-    for (const auto& write : metalSet->samplerWrites) {
-        write.apply(metalSet->encoder);
+    for (const auto& write : setHandle->samplerWrites) {
+        write.apply(setHandle->encoder);
     }
-    for (const auto& write : metalSet->textureWrites) {
-        write.apply(metalSet->encoder);
-        encoder->useResource(write.texture->texture, write.access);
+    for (const auto& write : setHandle->textureWrites) {
+        write.apply(setHandle->encoder);
+        encoder->useResource(write.texture->getHandle(), write.access);
     }
-    for (const auto& write : metalSet->accelerationWrites) {
-        write.apply(metalSet->encoder);
+    for (const auto& write : setHandle->accelerationWrites) {
+        write.apply(setHandle->encoder);
         encoder->useResource(write.accelerationStructure, write.access);
     }
-    for(auto& res : metalSet->boundResources) {
+    for(auto& res : setHandle->boundResources) {
         res->bind();
         boundResources.add(res);
     }
-    encoder->useResource(metalSet->argumentBuffer->buffer, MTL::ResourceUsageRead);
-    encoder->setObjectBuffer(metalSet->argumentBuffer->buffer, 0, descriptorIndex);
-    encoder->setMeshBuffer(metalSet->argumentBuffer->buffer, 0, descriptorIndex);
-    encoder->setVertexBuffer(metalSet->argumentBuffer->buffer, 0, descriptorIndex);
-    encoder->setFragmentBuffer(metalSet->argumentBuffer->buffer, 0, descriptorIndex);
+    encoder->useResource(setHandle->argumentBuffer->buffer, MTL::ResourceUsageRead);
+    encoder->setObjectBuffer(setHandle->argumentBuffer->buffer, 0, descriptorIndex);
+    encoder->setMeshBuffer(setHandle->argumentBuffer->buffer, 0, descriptorIndex);
+    encoder->setVertexBuffer(setHandle->argumentBuffer->buffer, 0, descriptorIndex);
+    encoder->setFragmentBuffer(setHandle->argumentBuffer->buffer, 0, descriptorIndex);
 }
 
 void RenderCommand::bindDescriptor(const Array<Gfx::PDescriptorSet>& descriptorSets) {
@@ -252,46 +253,53 @@ void ComputeCommand::bindPipeline(Gfx::PComputePipeline pipeline) {
     encoder->setComputePipelineState(boundPipeline->getHandle());
 }
 
-void ComputeCommand::bindDescriptor(Gfx::PDescriptorSet set) {
-    auto metalSet = set.cast<DescriptorSet>();
-    metalSet->bind();
-    boundResources.add(metalSet);
+void ComputeCommand::bindDescriptor(Gfx::PDescriptorSet descriptorSet) {
+    auto metalSet = descriptorSet.cast<DescriptorSet>();
+    auto setHandle = metalSet->setHandle;
+    setHandle->bind();
+    boundResources.add(setHandle);
     uint32 descriptorIndex = boundPipeline->getPipelineLayout()->findParameter(metalSet->getLayout()->getName());
-    if(metalSet->encoder == nullptr) {
-        if (metalSet->isPlainDescriptor()) {
-            metalSet->encoder = metalSet->createEncoder();
-        } else {
-            metalSet->encoder = boundPipeline->computeFunction->newArgumentEncoder(descriptorIndex);
+    
+    auto createEncoder = [metalSet, &setHandle, descriptorIndex](MTL::Function* function) {
+        if(setHandle->encoder == nullptr) {
+            if (metalSet->isPlainDescriptor()) {
+                setHandle->encoder = metalSet->createEncoder();
+            } else if (function != nullptr) {
+                setHandle->encoder = function->newArgumentEncoder(descriptorIndex);
+            }
         }
-        metalSet->argumentBuffer = new BufferAllocation(metalSet->graphics, "ArgumentBuffer", metalSet->encoder->encodedLength());
-        metalSet->encoder->setArgumentBuffer(metalSet->argumentBuffer->buffer, 0);
+    };
+    createEncoder(boundPipeline->computeFunction);
+    if(setHandle->argumentBuffer == nullptr) {
+        setHandle->argumentBuffer = new BufferAllocation(setHandle->graphics, "ArgumentBuffer", setHandle->encoder->encodedLength());
+        setHandle->encoder->setArgumentBuffer(setHandle->argumentBuffer->buffer, 0);
     }
-    metalSet->argumentBuffer->bind();
-    boundResources.add(PBufferAllocation(metalSet->argumentBuffer));
-    for (const auto& write : metalSet->uniformWrites) {
-        write.apply(metalSet->encoder);
+    setHandle->argumentBuffer->bind();
+    boundResources.add(PBufferAllocation(setHandle->argumentBuffer));
+    for (const auto& write : setHandle->uniformWrites) {
+        write.apply(setHandle->encoder);
     }
-    for (const auto& write : metalSet->bufferWrites) {
-        write.apply(metalSet->encoder);
+    for (const auto& write : setHandle->bufferWrites) {
+        write.apply(setHandle->encoder);
         encoder->useResource(write.buffer->buffer, write.access);
     }
-    for (const auto& write : metalSet->samplerWrites) {
-        write.apply(metalSet->encoder);
+    for (const auto& write : setHandle->samplerWrites) {
+        write.apply(setHandle->encoder);
     }
-    for (const auto& write : metalSet->textureWrites) {
-        write.apply(metalSet->encoder);
-        encoder->useResource(write.texture->texture, write.access);
+    for (const auto& write : setHandle->textureWrites) {
+        write.apply(setHandle->encoder);
+        encoder->useResource(write.texture->getHandle(), write.access);
     }
-    for (const auto& write : metalSet->accelerationWrites) {
-        write.apply(metalSet->encoder);
+    for (const auto& write : setHandle->accelerationWrites) {
+        write.apply(setHandle->encoder);
         encoder->useResource(write.accelerationStructure, write.access);
     }
-    for(auto& res : metalSet->boundResources) {
+    for(auto& res : setHandle->boundResources) {
         res->bind();
         boundResources.add(res);
     }
-    encoder->useResource(metalSet->argumentBuffer->buffer, MTL::ResourceUsageRead);
-    encoder->setBuffer(metalSet->argumentBuffer->buffer, 0, descriptorIndex);
+    encoder->useResource(setHandle->argumentBuffer->buffer, MTL::ResourceUsageRead);
+    encoder->setBuffer(setHandle->argumentBuffer->buffer, 0, descriptorIndex);
 }
 
 void ComputeCommand::bindDescriptor(const Array<Gfx::PDescriptorSet>& sets) {

src/Engine/Graphics/Metal/Descriptor.h

@@ -40,49 +40,29 @@ class DescriptorLayout : public Gfx::DescriptorLayout {
     // descriptor sets containing only uniform data are not actually argument buffers, so they need to be
     // handled separately
     bool plainDescriptor = true;
-    friend class DescriptorSet;
+    friend class DescriptorSetHandle;
 };
 DEFINE_REF(DescriptorLayout)
 
-DECLARE_REF(DescriptorSet)
-class DescriptorPool : public Gfx::DescriptorPool {
-  public:
-    DescriptorPool(PGraphics graphics, PDescriptorLayout layout);
-    virtual ~DescriptorPool();
-    virtual Gfx::PDescriptorSet allocateDescriptorSet() override;
-    virtual void reset() override;
-    constexpr PDescriptorLayout getLayout() const { return layout; }
-
-  private:
-    PGraphics graphics;
-    PDescriptorLayout layout;
-    Array<ODescriptorSet> allocatedSets;
-};
-DEFINE_REF(DescriptorPool)
-class DescriptorSet : public Gfx::DescriptorSet, public CommandBoundResource {
-  public:
-    DescriptorSet(PGraphics graphics, PDescriptorPool owner);
-    virtual ~DescriptorSet();
-    virtual void reset();
-    virtual void writeChanges() override;
-    virtual void updateConstants(const std::string& name, uint32 offset, void* data) override;
-    virtual void updateBuffer(const std::string& name, uint32 index, Gfx::PShaderBuffer uniformBuffer) override;
-    virtual void updateBuffer(const std::string& name, uint32 index, Gfx::PVertexBuffer uniformBuffer) override;
-    virtual void updateBuffer(const std::string& name, uint32 index, Gfx::PIndexBuffer uniformBuffer) override;
-    virtual void updateSampler(const std::string& name, uint32 index, Gfx::PSampler samplerState) override;
-    virtual void updateTexture(const std::string& name, uint32 index, Gfx::PTexture texture) override;
-    virtual void updateAccelerationStructure(const std::string& name, uint32 index, Gfx::PTopLevelAS as) override;
+DECLARE_REF(DescriptorPool)
+class DescriptorSetHandle : public CommandBoundResource {
+public:
+    DescriptorSetHandle(PGraphics grapics, PDescriptorPool owner, const std::string& name);
+    virtual ~DescriptorSetHandle();
+    void updateConstants(const std::string& name, uint32 offset, void* data);
+    void updateBuffer(const std::string& name, uint32 index, Gfx::PShaderBuffer uniformBuffer);
+    void updateBuffer(const std::string& name, uint32 index, Gfx::PVertexBuffer uniformBuffer);
+    void updateBuffer(const std::string& name, uint32 index, Gfx::PIndexBuffer uniformBuffer);
+    void updateBuffer(const std::string& name, uint32 index, Gfx::PUniformBuffer uniformBuffer);
+    void updateSampler(const std::string& name, uint32 index, Gfx::PSampler samplerState);
+    void updateTexture(const std::string& name, uint32 index, Gfx::PTextureView texture);
+    void updateAccelerationStructure(const std::string& name, uint32 index, Gfx::PTopLevelAS as);
     
-    constexpr bool isPlainDescriptor() const { return owner->getLayout()->isPlainDescriptor(); }
-    constexpr MTL::ArgumentEncoder* createEncoder() const { return owner->getLayout()->createEncoder(); }
-
-  private:
     PGraphics graphics;
     PDescriptorPool owner;
     OBufferAllocation argumentBuffer = nullptr;
     MTL::ArgumentEncoder* encoder = nullptr;
     Array<PCommandBoundResource> boundResources;
-
     struct UniformWriteInfo
     {
         uint32 index;
@@ -102,8 +82,8 @@ class DescriptorSet : public Gfx::DescriptorSet, public CommandBoundResource {
     {
         uint32 index;
         MTL::ResourceUsage access;
-        PTextureHandle texture;
-        void apply(MTL::ArgumentEncoder* encoder) const { encoder->setTexture(texture->texture, index); }
+        PTextureView texture;
+        void apply(MTL::ArgumentEncoder* encoder) const { encoder->setTexture(texture->getHandle(), index); }
     };
     Array<TextureWriteInfo> textureWrites;
     struct SamplerWriteInfo
@@ -122,6 +102,46 @@ class DescriptorSet : public Gfx::DescriptorSet, public CommandBoundResource {
     };
     Array<AccelerationStructureWriteInfo> accelerationWrites;
     
+};
+DEFINE_REF(DescriptorSetHandle)
+
+DECLARE_REF(DescriptorSet)
+class DescriptorPool : public Gfx::DescriptorPool {
+  public:
+    DescriptorPool(PGraphics graphics, PDescriptorLayout layout);
+    virtual ~DescriptorPool();
+    virtual Gfx::ODescriptorSet allocateDescriptorSet() override;
+    virtual void reset() override;
+    constexpr PDescriptorLayout getLayout() const { return layout; }
+
+  private:
+    PGraphics graphics;
+    PDescriptorLayout layout;
+    Array<ODescriptorSetHandle> allocatedSets;
+};
+DEFINE_REF(DescriptorPool)
+
+class DescriptorSet : public Gfx::DescriptorSet {
+  public:
+    DescriptorSet(PGraphics graphics, PDescriptorPool owner, PDescriptorSetHandle handle);
+    virtual ~DescriptorSet();
+    virtual void writeChanges() override;
+    virtual void updateConstants(const std::string& name, uint32 offset, void* data) override;
+    virtual void updateBuffer(const std::string& name, uint32 index, Gfx::PShaderBuffer uniformBuffer) override;
+    virtual void updateBuffer(const std::string& name, uint32 index, Gfx::PVertexBuffer uniformBuffer) override;
+    virtual void updateBuffer(const std::string& name, uint32 index, Gfx::PIndexBuffer uniformBuffer) override;
+    virtual void updateBuffer(const std::string& name, uint32 index, Gfx::PUniformBuffer uniformBuffer) override;
+    virtual void updateSampler(const std::string& name, uint32 index, Gfx::PSampler samplerState) override;
+    virtual void updateTexture(const std::string& name, uint32 index, Gfx::PTextureView texture) override;
+    virtual void updateAccelerationStructure(const std::string& name, uint32 index, Gfx::PTopLevelAS as) override;
+    
+    constexpr bool isPlainDescriptor() const { return owner->getLayout()->isPlainDescriptor(); }
+    constexpr MTL::ArgumentEncoder* createEncoder() const { return owner->getLayout()->createEncoder(); }
+
+  private:
+    PGraphics graphics;
+    PDescriptorPool owner;
+    PDescriptorSetHandle setHandle;
     friend class RenderCommand;
     friend class ComputeCommand;
 };

src/Engine/Graphics/Metal/Descriptor.mm

@@ -58,49 +58,20 @@ void DescriptorLayout::create() {
 
 MTL::ArgumentEncoder* DescriptorLayout::createEncoder() { return graphics->getDevice()->newArgumentEncoder(arguments); }
 
-DescriptorPool::DescriptorPool(PGraphics graphics, PDescriptorLayout layout) : graphics(graphics), layout(layout) {}
+DescriptorSetHandle::DescriptorSetHandle(PGraphics graphics, PDescriptorPool owner, const std::string& name) 
+    : CommandBoundResource(graphics), owner(owner)
+{
 
-DescriptorPool::~DescriptorPool() {}
-
-Gfx::PDescriptorSet DescriptorPool::allocateDescriptorSet() {
-    for (uint32 setIndex = 0; setIndex < allocatedSets.size(); ++setIndex) {
-        if (allocatedSets[setIndex]->isCurrentlyBound()) {
-            // Currently in use, skip
-            continue;
-        }
-        // Found set, stop searching
-        allocatedSets[setIndex]->reset();
-        return PDescriptorSet(allocatedSets[setIndex]);
-    }
-    allocatedSets.add(new DescriptorSet(graphics, this));
-    return PDescriptorSet(allocatedSets.back());
 }
 
-void DescriptorPool::reset() {}
-
-DescriptorSet::DescriptorSet(PGraphics graphics, PDescriptorPool owner)
-    : Gfx::DescriptorSet(owner->getLayout()), CommandBoundResource(graphics), graphics(graphics), owner(owner) {
-}
-
-DescriptorSet::~DescriptorSet() {
+DescriptorSetHandle::~DescriptorSetHandle() {
     if(encoder != nullptr) {
         encoder->release();
     }
     std::cout << "destroying descriptor set" << std::endl;
 }
 
-void DescriptorSet::reset() {
-    boundResources.clear();
-    uniformWrites.clear();
-    bufferWrites.clear();
-    textureWrites.clear();
-    samplerWrites.clear();
-    accelerationWrites.clear();
-}
-
-void DescriptorSet::writeChanges() {}
-
-void DescriptorSet::updateConstants(const std::string& name, uint32 offset, void* data) {
+void DescriptorSetHandle::updateConstants(const std::string& name, uint32 offset, void* data) {
     uint32 flattenedIndex = owner->getLayout()->variableMapping[name].index;
     Array<uint8> contents(owner->getLayout()->variableMapping[name].constantSize);
     std::memcpy(contents.data(), (uint8*)data + offset, contents.size());
@@ -110,7 +81,7 @@ void DescriptorSet::updateConstants(const std::string& name, uint32 offset, void
     });
 }
 
-void DescriptorSet::updateBuffer(const std::string& name, uint32 index, Gfx::PShaderBuffer uniformBuffer) {
+void DescriptorSetHandle::updateBuffer(const std::string& name, uint32 index, Gfx::PShaderBuffer uniformBuffer) {
     uint32 flattenedIndex = owner->getLayout()->variableMapping[name].index + index;
     PShaderBuffer buffer = uniformBuffer.cast<ShaderBuffer>();
     bufferWrites.add(BufferWriteInfo{
@@ -121,7 +92,7 @@ void DescriptorSet::updateBuffer(const std::string& name, uint32 index, Gfx::PSh
     boundResources.add(buffer->getAlloc());
 }
 
-void DescriptorSet::updateBuffer(const std::string& name, uint32 index, Gfx::PVertexBuffer uniformBuffer) {
+void DescriptorSetHandle::updateBuffer(const std::string& name, uint32 index, Gfx::PVertexBuffer uniformBuffer) {
     uint32 flattenedIndex = owner->getLayout()->variableMapping[name].index + index;
     PVertexBuffer buffer = uniformBuffer.cast<VertexBuffer>();
     bufferWrites.add(BufferWriteInfo{
@@ -132,7 +103,7 @@ void DescriptorSet::updateBuffer(const std::string& name, uint32 index, Gfx::PVe
     boundResources.add(buffer->getAlloc());
 }
 
-void DescriptorSet::updateBuffer(const std::string& name, uint32 index, Gfx::PIndexBuffer uniformBuffer) {
+void DescriptorSetHandle::updateBuffer(const std::string& name, uint32 index, Gfx::PIndexBuffer uniformBuffer) {
     uint32 flattenedIndex = owner->getLayout()->variableMapping[name].index + index;
     PIndexBuffer buffer = uniformBuffer.cast<IndexBuffer>();
     bufferWrites.add(BufferWriteInfo{
@@ -143,7 +114,18 @@ void DescriptorSet::updateBuffer(const std::string& name, uint32 index, Gfx::PIn
     boundResources.add(buffer->getAlloc());
 }
 
-void DescriptorSet::updateSampler(const std::string& name, uint32 index, Gfx::PSampler samplerState) {
+void DescriptorSetHandle::updateBuffer(const std::string& name, uint32 index, Gfx::PUniformBuffer uniformBuffer) {
+    uint32 flattenedIndex = owner->getLayout()->variableMapping[name].index + index;
+    PIndexBuffer buffer = uniformBuffer.cast<IndexBuffer>();
+    bufferWrites.add(BufferWriteInfo{
+        .index = flattenedIndex,
+        .buffer = buffer->getAlloc(),
+        .access = owner->getLayout()->variableMapping[name].access,
+    });
+    boundResources.add(buffer->getAlloc());
+}
+
+void DescriptorSetHandle::updateSampler(const std::string& name, uint32 index, Gfx::PSampler samplerState) {
     uint32 flattenedIndex = owner->getLayout()->variableMapping[name].index + index;
     PSampler sampler = samplerState.cast<Sampler>();
     samplerWrites.add(SamplerWriteInfo{
@@ -152,18 +134,71 @@ void DescriptorSet::updateSampler(const std::string& name, uint32 index, Gfx::PS
     });
 }
 
-void DescriptorSet::updateTexture(const std::string& name, uint32 index, Gfx::PTexture texture) {
+void DescriptorSetHandle::updateTexture(const std::string& name, uint32 index, Gfx::PTextureView texture) {
     uint32 flattenedIndex = owner->getLayout()->variableMapping[name].index + index;
-    PTextureBase tex = texture.cast<TextureBase>();
+    PTextureView tex = texture.cast<TextureView>();
     textureWrites.add(TextureWriteInfo{
         .index = flattenedIndex,
-        .texture = tex->getHandle(),
+        .texture = tex,
         .access = owner->getLayout()->variableMapping[name].access,
     });
-    boundResources.add(tex->getHandle());
+    boundResources.add(tex);
 }
 
-void DescriptorSet::updateAccelerationStructure(const std::string& name, uint32 index, Gfx::PTopLevelAS as) { assert(false && "TODO"); }
+void DescriptorSetHandle::updateAccelerationStructure(const std::string& , uint32 , Gfx::PTopLevelAS ){}
+
+DescriptorPool::DescriptorPool(PGraphics graphics, PDescriptorLayout layout) : graphics(graphics), layout(layout) {}
+
+DescriptorPool::~DescriptorPool() {}
+
+Gfx::ODescriptorSet DescriptorPool::allocateDescriptorSet() {
+    for (uint32 setIndex = 0; setIndex < allocatedSets.size(); ++setIndex) {
+        if (allocatedSets[setIndex]->isCurrentlyBound()) {
+            // Currently in use, skip
+            continue;
+        }
+        // Found set, stop searching
+        return new DescriptorSet(graphics, this, allocatedSets[setIndex]);
+    }
+    allocatedSets.add(new DescriptorSetHandle(graphics, this, layout->getName()));
+    return new DescriptorSet(graphics, this, allocatedSets.back());
+}
+
+void DescriptorPool::reset() {}
+
+DescriptorSet::DescriptorSet(PGraphics graphics, PDescriptorPool owner, PDescriptorSetHandle handle)
+    : Gfx::DescriptorSet(owner->getLayout()), graphics(graphics), owner(owner), setHandle(handle) {
+}
+
+DescriptorSet::~DescriptorSet() {
+}
+
+void DescriptorSet::writeChanges() {}
+
+void DescriptorSet::updateConstants(const std::string& name, uint32 offset, void* data) {
+    setHandle->updateConstants(name, offset, data);
+}
+void DescriptorSet::updateBuffer(const std::string& name, uint32 index, Gfx::PShaderBuffer uniformBuffer){
+    setHandle->updateBuffer(name, index, uniformBuffer);
+}
+void DescriptorSet::updateBuffer(const std::string& name, uint32 index, Gfx::PVertexBuffer uniformBuffer){
+    setHandle->updateBuffer(name, index, uniformBuffer);
+}
+void DescriptorSet::updateBuffer(const std::string& name, uint32 index, Gfx::PIndexBuffer uniformBuffer){
+    setHandle->updateBuffer(name, index, uniformBuffer);
+}
+void DescriptorSet::updateBuffer(const std::string& name, uint32 index, Gfx::PUniformBuffer uniformBuffer){
+    setHandle->updateBuffer(name, index, uniformBuffer);
+}
+void DescriptorSet::updateSampler(const std::string& name, uint32 index, Gfx::PSampler samplerState){
+    setHandle->updateSampler(name, index, samplerState);
+}
+void DescriptorSet::updateTexture(const std::string& name, uint32 index, Gfx::PTextureView texture){
+    setHandle->updateTexture(name, index, texture);
+}
+void DescriptorSet::updateAccelerationStructure(const std::string& name, uint32 index, Gfx::PTopLevelAS as){
+    setHandle->updateAccelerationStructure(name, index, as);
+}
 
 PipelineLayout::PipelineLayout(PGraphics graphics, const std::string& name, Gfx::PPipelineLayout baseLayout)
     : Gfx::PipelineLayout(name, baseLayout), graphics(graphics) {}

src/Engine/Graphics/Metal/Graphics.h

@@ -28,6 +28,7 @@ class Graphics : public Gfx::Graphics {
     virtual void executeCommands(Array<Gfx::OComputeCommand> commands) override;
 
     virtual Gfx::OTexture2D createTexture2D(const TextureCreateInfo& createInfo) override;
+    virtual Gfx::OTexture2DArray createTexture2DArray(const TextureCreateInfo& createInfo) override;
     virtual Gfx::OTexture3D createTexture3D(const TextureCreateInfo& createInfo) override;
     virtual Gfx::OTextureCube createTextureCube(const TextureCreateInfo& createInfo) override;
     virtual Gfx::OUniformBuffer createUniformBuffer(const UniformBufferCreateInfo& bulkData) override;

src/Engine/Graphics/Metal/Graphics.mm

@@ -38,7 +38,8 @@ Gfx::OViewport Graphics::createViewport(Gfx::PWindow owner, const ViewportCreate
     return new Viewport(owner, createInfo);
 }
 
-Gfx::ORenderPass Graphics::createRenderPass(Gfx::RenderTargetLayout layout, Array<Gfx::SubPassDependency> dependencies, URect renderArea, std::string name, Array<uint32> viewMask, Array<uint32> correlationMask) {
+Gfx::ORenderPass Graphics::createRenderPass(Gfx::RenderTargetLayout layout, Array<Gfx::SubPassDependency> dependencies, URect renderArea,
+                                            std::string name, Array<uint32>, Array<uint32>) {
     return new RenderPass(this, layout, dependencies, renderArea, name);
 }
 
@@ -46,9 +47,7 @@ void Graphics::beginRenderPass(Gfx::PRenderPass renderPass) { queue->getCommands
 
 void Graphics::endRenderPass() { queue->getCommands()->endRenderPass(); }
 
-void Graphics::waitDeviceIdle() {
-    queue->submitCommands();
-}
+void Graphics::waitDeviceIdle() { queue->submitCommands(); }
 
 void Graphics::executeCommands(Gfx::ORenderCommand commands) {
     Array<Gfx::ORenderCommand> command;
@@ -68,6 +67,8 @@ void Graphics::executeCommands(Array<Gfx::OComputeCommand> commands) { queue->ex
 
 Gfx::OTexture2D Graphics::createTexture2D(const TextureCreateInfo& createInfo) { return new Texture2D(this, createInfo); }
 
+Gfx::OTexture2DArray Graphics::createTexture2DArray(const TextureCreateInfo& createInfo) { return new Texture2DArray(this, createInfo); }
+
 Gfx::OTexture3D Graphics::createTexture3D(const TextureCreateInfo& createInfo) { return new Texture3D(this, createInfo); }
 
 Gfx::OTextureCube Graphics::createTextureCube(const TextureCreateInfo& createInfo) { return new TextureCube(this, createInfo); }
@@ -155,23 +156,18 @@ void Graphics::beginDebugRegion(const std::string& name) {
     queue->getCommands()->getHandle()->pushDebugGroup(NS::String::string(name.c_str(), NS::ASCIIStringEncoding));
 }
 
-void Graphics::endDebugRegion() {
-    queue->getCommands()->getHandle()->popDebugGroup();
-}
+void Graphics::endDebugRegion() { queue->getCommands()->getHandle()->popDebugGroup(); }
 
 void Graphics::resolveTexture(Gfx::PTexture, Gfx::PTexture) {}
 
-void Graphics::copyTexture(Gfx::PTexture, Gfx::PTexture) {}
+void Graphics::copyTexture(Gfx::PTexture, Gfx::PTexture) { assert(false); }
 
-void Graphics::copyBuffer(Gfx::PShaderBuffer src, Gfx::PShaderBuffer dst)
-{
-    // TODO blit commands
-}
+void Graphics::copyBuffer(Gfx::PShaderBuffer, Gfx::PShaderBuffer) { assert(false); }
 
 // Ray Tracing
-Gfx::OBottomLevelAS Graphics::createBottomLevelAccelerationStructure(const Gfx::BottomLevelASCreateInfo& createInfo) { return nullptr; }
+Gfx::OBottomLevelAS Graphics::createBottomLevelAccelerationStructure(const Gfx::BottomLevelASCreateInfo&) { return nullptr; }
 
-Gfx::OTopLevelAS Graphics::createTopLevelAccelerationStructure(const Gfx::TopLevelASCreateInfo& createInfo) { return nullptr; }
+Gfx::OTopLevelAS Graphics::createTopLevelAccelerationStructure(const Gfx::TopLevelASCreateInfo&) { return nullptr; }
 
 void Graphics::buildBottomLevelAccelerationStructures(Array<Gfx::PBottomLevelAS>) {}
 

src/Engine/Graphics/Metal/PipelineCache.mm

@@ -88,11 +88,11 @@ PGraphicsPipeline PipelineCache::createPipeline(Gfx::LegacyPipelineCreateInfo cr
     }
 
     MTL::DepthStencilDescriptor* depthDescriptor = MTL::DepthStencilDescriptor::alloc()->init();
-    if (createInfo.renderPass->getLayout().depthAttachment.getTexture() != nullptr) {
+    if (createInfo.renderPass->getLayout().depthAttachment.getTextureView() != nullptr) {
         depthDescriptor->setDepthWriteEnabled(createInfo.depthStencilState.depthWriteEnable);
         depthDescriptor->setDepthCompareFunction(cast(createInfo.depthStencilState.depthCompareOp));
         pipelineDescriptor->setDepthAttachmentPixelFormat(
-            cast(createInfo.renderPass->getLayout().depthAttachment.getTexture().cast<Texture2D>()->getFormat()));
+            cast(createInfo.renderPass->getLayout().depthAttachment.getTextureView()->getFormat()));
     }
     pipelineDescriptor->setAlphaToCoverageEnabled(createInfo.multisampleState.alphaCoverageEnable);
     pipelineDescriptor->setAlphaToOneEnabled(createInfo.multisampleState.alphaToOneEnable);
@@ -196,11 +196,11 @@ PGraphicsPipeline PipelineCache::createPipeline(Gfx::MeshPipelineCreateInfo crea
         pipelineDescriptor->colorAttachments()->setObject(desc, c);
     }
     MTL::DepthStencilDescriptor* depthDescriptor = MTL::DepthStencilDescriptor::alloc()->init();
-    if (createInfo.renderPass->getLayout().depthAttachment.getTexture() != nullptr) {
+    if (createInfo.renderPass->getLayout().depthAttachment.getTextureView() != nullptr) {
         depthDescriptor->setDepthWriteEnabled(createInfo.depthStencilState.depthWriteEnable);
         depthDescriptor->setDepthCompareFunction(cast(createInfo.depthStencilState.depthCompareOp));
         pipelineDescriptor->setDepthAttachmentPixelFormat(
-            cast(createInfo.renderPass->getLayout().depthAttachment.getTexture().cast<Texture2D>()->getFormat()));
+            cast(createInfo.renderPass->getLayout().depthAttachment.getTextureView()->getFormat()));
     }
     pipelineDescriptor->setAlphaToCoverageEnabled(createInfo.multisampleState.alphaCoverageEnable);
     pipelineDescriptor->setAlphaToOneEnabled(createInfo.multisampleState.alphaToOneEnable);
@@ -209,9 +209,9 @@ PGraphicsPipeline PipelineCache::createPipeline(Gfx::MeshPipelineCreateInfo crea
     
     MTL::DepthStencilState* depthState = graphics->getDevice()->newDepthStencilState(depthDescriptor);
     depthDescriptor->release();
-    if (createInfo.renderPass->getLayout().depthAttachment.getTexture() != nullptr) {
+    if (createInfo.renderPass->getLayout().depthAttachment.getTextureView() != nullptr) {
         pipelineDescriptor->setDepthAttachmentPixelFormat(
-            cast(createInfo.renderPass->getLayout().depthAttachment.getTexture().cast<Texture2D>()->getFormat()));
+            cast(createInfo.renderPass->getLayout().depthAttachment.getTextureView()->getFormat()));
     }
     pipelineDescriptor->setAlphaToCoverageEnabled(createInfo.multisampleState.alphaCoverageEnable);
     pipelineDescriptor->setAlphaToOneEnabled(createInfo.multisampleState.alphaToOneEnable);

src/Engine/Graphics/Metal/RenderPass.mm

@@ -33,13 +33,13 @@ RenderPass::RenderPass(PGraphics graphics, Gfx::RenderTargetLayout _layout, Arra
             }
         }
     }
-    if (layout.depthAttachment.getTexture() != nullptr) {
+    if (layout.depthAttachment.getTextureView() != nullptr) {
         auto depth = renderPass->depthAttachment();
         depth->setClearDepth(layout.depthAttachment.clear.depthStencil.depth);
         depth->setLoadAction(cast(layout.depthAttachment.getLoadOp()));
         depth->setStoreAction(cast(layout.depthAttachment.getStoreOp()));
 
-        if (layout.depthResolveAttachment.getTexture() != nullptr) {
+        if (layout.depthResolveAttachment.getTextureView() != nullptr) {
             // store multisampled attachment as well
             if(layout.depthAttachment.getStoreOp() == Gfx::SE_ATTACHMENT_STORE_OP_STORE) {
                 depth->setStoreAction(MTL::StoreActionStoreAndMultisampleResolve);
@@ -56,17 +56,17 @@ void RenderPass::updateRenderPass() {
     for (size_t i = 0; i < layout.colorAttachments.size(); ++i) {
         const auto& color = layout.colorAttachments[i];
         auto desc = renderPass->colorAttachments()->object(i);
-        desc->setTexture(color.getTexture().cast<TextureBase>()->getImage());
+        desc->setTexture(color.getTextureView().cast<TextureBase>()->getImage());
         if (!layout.resolveAttachments.empty()) {
             const auto& resolve = layout.resolveAttachments[i];
-            desc->setResolveTexture(resolve.getTexture().cast<TextureBase>()->getImage());
+            desc->setResolveTexture(resolve.getTextureView().cast<TextureBase>()->getImage());
         }
     }
-    if (layout.depthAttachment.getTexture() != nullptr) {
+    if (layout.depthAttachment.getTextureView() != nullptr) {
         auto depth = renderPass->depthAttachment();
-        depth->setTexture(layout.depthAttachment.getTexture().cast<TextureBase>()->getImage());
-        if (layout.depthResolveAttachment.getTexture() != nullptr) {
-            depth->setResolveTexture(layout.depthResolveAttachment.getTexture().cast<TextureBase>()->getImage());
+        depth->setTexture(layout.depthAttachment.getTextureView().cast<TextureBase>()->getImage());
+        if (layout.depthResolveAttachment.getTextureView() != nullptr) {
+            depth->setResolveTexture(layout.depthResolveAttachment.getTextureView().cast<TextureBase>()->getImage());
         }
     }
 }

src/Engine/Graphics/Metal/Texture.h

@@ -7,7 +7,38 @@
 
 namespace Seele {
 namespace Metal {
-class TextureHandle : public CommandBoundResource{
+DECLARE_REF(TextureHandle)
+class TextureView : public Gfx::TextureView, public CommandBoundResource {
+  public:
+    TextureView(PGraphics graphics, PTextureHandle source, uint32 width, uint32 height, uint32 numLayers, uint32 numMipLevels, MTL::Texture* view);
+    virtual ~TextureView();
+    virtual Gfx::SeFormat getFormat() const override;
+    virtual uint32 getWidth() const override;
+    virtual uint32 getHeight() const override;
+    virtual uint32 getDepth() const override;
+    virtual uint32 getNumLayers() const override;
+    virtual Gfx::SeSampleCountFlags getNumSamples() const override;
+    virtual uint32 getMipLevels() const override;
+    virtual void pipelineBarrier(Gfx::SeAccessFlags srcAccess, Gfx::SePipelineStageFlags srcStage, Gfx::SeAccessFlags dstAccess,
+                                 Gfx::SePipelineStageFlags dstStage) override;
+    virtual void changeLayout(Gfx::SeImageLayout newLayout, Gfx::SeAccessFlags srcAccess, Gfx::SePipelineStageFlags srcStage,
+                              Gfx::SeAccessFlags dstAccess, Gfx::SePipelineStageFlags dstStage) override;
+
+    MTL::Texture* getHandle() const { return view; }
+    PTextureHandle getSource() const { return source;}
+
+  private:
+    uint32 width;
+    uint32 height;
+    uint32 numLayers;
+    uint32 numMipLevels;
+    PTextureHandle source;
+    MTL::Texture* view;
+    friend class TextureBase;
+};
+DEFINE_REF(TextureView)
+
+class TextureHandle : public CommandBoundResource {
   public:
     TextureHandle(PGraphics graphics, MTL::TextureType type, const TextureCreateInfo& createInfo, MTL::Texture* existingImage);
     virtual ~TextureHandle();
@@ -18,8 +49,10 @@ class TextureHandle : public CommandBoundResource{
                       Gfx::SeAccessFlags dstAccess, Gfx::SePipelineStageFlags dstStage);
     void download(uint32 mipLevel, uint32 arrayLayer, uint32 face, Array<uint8>& buffer);
     void generateMipmaps();
+    Gfx::OTextureView createTextureView(uint32 baseMipLevel, uint32 levelCount, uint32 baseArrayLayer, uint32 layerCount);
 
     MTL::Texture* texture;
+    OTextureView textureView;
     MTL::TextureType type;
     uint32 width;
     uint32 height;
@@ -87,6 +120,8 @@ class Texture2D : public Gfx::Texture2D, public TextureBase {
                               Gfx::SeAccessFlags dstAccess, Gfx::SePipelineStageFlags dstStage) override;
     virtual void download(uint32 mipLevel, uint32 arrayLayer, uint32 face, Array<uint8>& buffer) override;
     virtual void generateMipmaps() override;
+    virtual Gfx::PTextureView getDefaultView() const override;
+    virtual Gfx::OTextureView createTextureView(uint32 baseMipLevel, uint32 levelCount, uint32 baseArrayLayer, uint32 layerCount) override;
 
   protected:
     // Inherited via QueueOwnedResource
@@ -95,7 +130,31 @@ class Texture2D : public Gfx::Texture2D, public TextureBase {
                                         Gfx::SePipelineStageFlags dstStage) override;
 };
 DEFINE_REF(Texture2D)
+class Texture2DArray : public Gfx::Texture2DArray, public TextureBase {
+  public:
+    Texture2DArray(PGraphics graphics, const TextureCreateInfo& createInfo, MTL::Texture* existingImage = nullptr);
+    virtual ~Texture2DArray();
+    virtual uint32 getWidth() const override { return handle->width; }
+    virtual uint32 getHeight() const override { return handle->height; }
+    virtual uint32 getDepth() const override { return handle->depth; }
+    virtual uint32 getNumLayers() const override { return handle->arrayCount; }
+    virtual Gfx::SeFormat getFormat() const override { return handle->format; }
+    virtual Gfx::SeSampleCountFlags getNumSamples() const override { return handle->samples; }
+    virtual uint32 getMipLevels() const override { return handle->mipLevels; }
+    virtual void changeLayout(Gfx::SeImageLayout newLayout, Gfx::SeAccessFlags srcAccess, Gfx::SePipelineStageFlags srcStage,
+                              Gfx::SeAccessFlags dstAccess, Gfx::SePipelineStageFlags dstStage) override;
+    virtual void download(uint32 mipLevel, uint32 arrayLayer, uint32 face, Array<uint8>& buffer) override;
+    virtual void generateMipmaps() override;
+    virtual Gfx::PTextureView getDefaultView() const override;
+    virtual Gfx::OTextureView createTextureView(uint32 baseMipLevel, uint32 levelCount, uint32 baseArrayLayer, uint32 layerCount) override;
 
+  protected:
+    // Inherited via QueueOwnedResource
+    virtual void executeOwnershipBarrier(Gfx::QueueType newOwner) override;
+    virtual void executePipelineBarrier(Gfx::SeAccessFlags srcAccess, Gfx::SePipelineStageFlags srcStage, Gfx::SeAccessFlags dstAccess,
+                                        Gfx::SePipelineStageFlags dstStage) override;
+};
+DEFINE_REF(Texture2DArray)
 class Texture3D : public Gfx::Texture3D, public TextureBase {
   public:
     Texture3D(PGraphics graphics, const TextureCreateInfo& createInfo);
@@ -111,6 +170,8 @@ class Texture3D : public Gfx::Texture3D, public TextureBase {
                               Gfx::SeAccessFlags dstAccess, Gfx::SePipelineStageFlags dstStage) override;
     virtual void download(uint32 mipLevel, uint32 arrayLayer, uint32 face, Array<uint8>& buffer) override;
     virtual void generateMipmaps() override;
+    virtual Gfx::PTextureView getDefaultView() const override;
+    virtual Gfx::OTextureView createTextureView(uint32 baseMipLevel, uint32 levelCount, uint32 baseArrayLayer, uint32 layerCount) override;
 
   protected:
     // Inherited via QueueOwnedResource
@@ -135,6 +196,8 @@ class TextureCube : public Gfx::TextureCube, public TextureBase {
                               Gfx::SeAccessFlags dstAccess, Gfx::SePipelineStageFlags dstStage) override;
     virtual void download(uint32 mipLevel, uint32 arrayLayer, uint32 face, Array<uint8>& buffer) override;
     virtual void generateMipmaps() override;
+    virtual Gfx::PTextureView getDefaultView() const override;
+    virtual Gfx::OTextureView createTextureView(uint32 baseMipLevel, uint32 levelCount, uint32 baseArrayLayer, uint32 layerCount) override;
 
   protected:
     // Inherited via QueueOwnedResource

src/Engine/Graphics/Metal/Texture.mm

@@ -1,10 +1,10 @@
 #include "Texture.h"
+#include "Command.h"
 #include "Enums.h"
 #include "Graphics/Enums.h"
 #include "Graphics/Initializer.h"
 #include "Graphics/Metal/Buffer.h"
 #include "Graphics/Metal/Graphics.h"
-#include "Command.h"
 #include "Graphics/Metal/Resources.h"
 #include "Metal/MTLTexture.hpp"
 #include "Metal/MTLTypes.hpp"
@@ -12,9 +12,47 @@
 using namespace Seele;
 using namespace Seele::Metal;
 
+TextureView::TextureView(PGraphics graphics, PTextureHandle source, uint32 width, uint32 height, uint32 numLayers, uint32 numMipLevels, MTL::Texture* view)
+    : CommandBoundResource(graphics), width(width), height(height), numLayers(numLayers), numMipLevels(numMipLevels), source(source), view(view) {}
+
+TextureView::~TextureView() {}
+
+Gfx::SeFormat TextureView::getFormat() const { return source->format; }
+
+uint32 TextureView::getWidth() const { return width; }
+
+uint32 TextureView::getHeight() const { return height; }
+
+uint32 TextureView::getDepth() const { return source->depth; }
+
+uint32 TextureView::getNumLayers() const { return numLayers; }
+
+Gfx::SeSampleCountFlags TextureView::getNumSamples() const { return source->samples; }
+
+uint32 TextureView::getMipLevels() const { return numMipLevels; }
+
+void TextureView::pipelineBarrier(Gfx::SeAccessFlags srcAccess, Gfx::SePipelineStageFlags srcStage, Gfx::SeAccessFlags dstAccess,
+                                  Gfx::SePipelineStageFlags dstStage) {
+    return source->pipelineBarrier(srcAccess, srcStage, dstAccess, dstStage);
+}
+
+void TextureView::changeLayout(Gfx::SeImageLayout newLayout, Gfx::SeAccessFlags srcAccess, Gfx::SePipelineStageFlags srcStage,
+                               Gfx::SeAccessFlags dstAccess, Gfx::SePipelineStageFlags dstStage) {
+    return source->changeLayout(newLayout, srcAccess, srcStage, dstAccess, dstStage);
+}
+
+Gfx::OTextureView TextureHandle::createTextureView(uint32 baseMipLevel, uint32 viewLevelCount, uint32 baseArrayLayer,
+                                                   uint32 viewLayerCount) {
+    MTL::Texture* viewTexture =
+        texture->newTextureView(cast(format), type, NS::Range(baseMipLevel, viewLevelCount), NS::Range(baseArrayLayer, viewLayerCount));
+    uint32 viewWidth = width * std::pow(0.5, baseMipLevel);
+    uint32 viewHeight = height * std::pow(0.5, baseMipLevel);
+    return new TextureView(graphics, this, viewWidth, viewHeight, viewLayerCount, viewLevelCount, viewTexture);
+}
+
 TextureHandle::TextureHandle(PGraphics graphics, MTL::TextureType type, const TextureCreateInfo& createInfo, MTL::Texture* existingImage)
-    : CommandBoundResource(graphics), texture(existingImage), type(type), width(createInfo.width), height(createInfo.height), depth(createInfo.depth),
-      arrayCount(createInfo.elements), mipLevels(1), samples(createInfo.samples), format(createInfo.format),
+    : CommandBoundResource(graphics), texture(existingImage), type(type), width(createInfo.width), height(createInfo.height),
+      depth(createInfo.depth), arrayCount(createInfo.elements), mipLevels(1), samples(createInfo.samples), format(createInfo.format),
       usage(createInfo.usage), layout(Gfx::SE_IMAGE_LAYOUT_UNDEFINED), ownsImage(existingImage == nullptr) {
     if (createInfo.useMip) {
         mipLevels = static_cast<uint32_t>(std::floor(std::log2(std::max(width, height)))) + 1;
@@ -41,7 +79,7 @@ TextureHandle::TextureHandle(PGraphics graphics, MTL::TextureType type, const Te
         descriptor->setSampleCount(samples);
         descriptor->setUsage(mtlUsage);
         descriptor->setStorageMode(MTL::StorageModePrivate);
-        if(usage & Gfx::SE_IMAGE_USAGE_TRANSIENT_ATTACHMENT_BIT) {
+        if (usage & Gfx::SE_IMAGE_USAGE_TRANSIENT_ATTACHMENT_BIT) {
             descriptor->setStorageMode(MTL::StorageModeMemoryless);
         }
 
@@ -50,28 +88,30 @@ TextureHandle::TextureHandle(PGraphics graphics, MTL::TextureType type, const Te
 
         descriptor->release();
     }
-    if(createInfo.sourceData.data != nullptr)
-    {
-        OBufferAllocation stagingBuffer = new BufferAllocation(graphics, "TextureStaging", createInfo.sourceData.size, MTL::ResourceStorageModeShared);
+    if (createInfo.sourceData.data != nullptr) {
+        OBufferAllocation stagingBuffer =
+            new BufferAllocation(graphics, "TextureStaging", createInfo.sourceData.size, MTL::ResourceStorageModeShared);
         std::memcpy(stagingBuffer->map(), createInfo.sourceData.data, createInfo.sourceData.size);
         MTL::BlitCommandEncoder* blitEnc = graphics->getQueue()->getCommands()->getBlitEncoder();
         uint32 sliceSize = createInfo.sourceData.size / arrayCount;
         uint32 numSlices = arrayCount;
-        if(type == MTL::TextureTypeCube || type == MTL::TextureTypeCubeArray) {
+        if (type == MTL::TextureTypeCube || type == MTL::TextureTypeCubeArray) {
             sliceSize /= 6;
             numSlices *= 6;
         }
         uint32 offset = 0;
-        for(uint32 slice = 0; slice < numSlices; ++slice){
-            blitEnc->copyFromBuffer(stagingBuffer->buffer, offset, sliceSize / createInfo.height, arrayCount == 1 ? 0 : sliceSize, MTL::Size(createInfo.width, createInfo.height, createInfo.depth), texture, slice, 0, MTL::Origin());
+        for (uint32 slice = 0; slice < numSlices; ++slice) {
+            blitEnc->copyFromBuffer(stagingBuffer->buffer, offset, sliceSize / createInfo.height, arrayCount == 1 ? 0 : sliceSize,
+                                    MTL::Size(createInfo.width, createInfo.height, createInfo.depth), texture, slice, 0, MTL::Origin());
             offset += sliceSize;
         }
-        if(mipLevels > 1) {
+        if (mipLevels > 1) {
             blitEnc->generateMipmaps(texture);
         }
         graphics->getQueue()->getCommands()->bindResource(PBufferAllocation(stagingBuffer));
         graphics->getDestructionManager()->queueResourceForDestruction(std::move(stagingBuffer));
     }
+    textureView = new TextureView(graphics, this, width, height, arrayCount, mipLevels, texture);
 }
 
 TextureHandle::~TextureHandle() {
@@ -85,7 +125,7 @@ void TextureHandle::pipelineBarrier(Gfx::SeAccessFlags, Gfx::SePipelineStageFlag
 void TextureHandle::changeLayout(Gfx::SeImageLayout, Gfx::SeAccessFlags, Gfx::SePipelineStageFlags, Gfx::SeAccessFlags,
                                  Gfx::SePipelineStageFlags) {}
 
-void TextureHandle::transferOwnership(Gfx::QueueType newOwner) {}
+void TextureHandle::transferOwnership(Gfx::QueueType) {}
 
 void TextureHandle::download(uint32, uint32, uint32, Array<uint8>&) {}
 
@@ -94,9 +134,7 @@ void TextureHandle::generateMipmaps() {}
 TextureBase::TextureBase(PGraphics graphics, MTL::TextureType viewType, const TextureCreateInfo& createInfo, MTL::Texture* existingImage)
     : handle(new TextureHandle(graphics, viewType, createInfo, existingImage)), graphics(graphics) {}
 
-TextureBase::~TextureBase() {
-    graphics->getDestructionManager()->queueResourceForDestruction(std::move(handle));
-}
+TextureBase::~TextureBase() { graphics->getDestructionManager()->queueResourceForDestruction(std::move(handle)); }
 
 void TextureBase::pipelineBarrier(Gfx::SeAccessFlags srcAccess, Gfx::SePipelineStageFlags srcStage, Gfx::SeAccessFlags dstAccess,
                                   Gfx::SePipelineStageFlags dstStage) {
@@ -132,6 +170,12 @@ void Texture2D::download(uint32 mipLevel, uint32 arrayLayer, uint32 face, Array<
 
 void Texture2D::generateMipmaps() { TextureBase::generateMipmaps(); }
 
+Gfx::PTextureView Texture2D::getDefaultView() const { return PTextureView(handle->textureView); }
+
+Gfx::OTextureView Texture2D::createTextureView(uint32 baseMipLevel, uint32 levelCount, uint32 baseArrayLayer, uint32 layerCount) {
+    return handle->createTextureView(baseMipLevel, levelCount, baseArrayLayer, layerCount);
+}
+
 void Texture2D::executeOwnershipBarrier(Gfx::QueueType newOwner) { TextureBase::transferOwnership(newOwner); }
 
 void Texture2D::executePipelineBarrier(Gfx::SeAccessFlags srcAccess, Gfx::SePipelineStageFlags srcStage, Gfx::SeAccessFlags dstAccess,
@@ -139,6 +183,39 @@ void Texture2D::executePipelineBarrier(Gfx::SeAccessFlags srcAccess, Gfx::SePipe
     TextureBase::pipelineBarrier(srcAccess, srcStage, dstAccess, dstStage);
 }
 
+Texture2DArray::Texture2DArray(PGraphics graphics, const TextureCreateInfo& createInfo, MTL::Texture* existingImage)
+    : Gfx::Texture2DArray(graphics->getFamilyMapping()),
+      TextureBase(graphics,
+                  createInfo.elements > 1 ? (createInfo.samples > 1 ? MTL::TextureType2DMultisampleArray : MTL::TextureType2DArray)
+                                          : (createInfo.samples > 1 ? MTL::TextureType2DMultisample : MTL::TextureType2D),
+                  createInfo, existingImage) {}
+
+Texture2DArray::~Texture2DArray() {}
+
+void Texture2DArray::changeLayout(Gfx::SeImageLayout newLayout, Gfx::SeAccessFlags srcAccess, Gfx::SePipelineStageFlags srcStage,
+                                  Gfx::SeAccessFlags dstAccess, Gfx::SePipelineStageFlags dstStage) {
+    TextureBase::changeLayout(newLayout, srcAccess, srcStage, dstAccess, dstStage);
+}
+
+void Texture2DArray::download(uint32 mipLevel, uint32 arrayLayer, uint32 face, Array<uint8>& buffer) {
+    TextureBase::download(mipLevel, arrayLayer, face, buffer);
+}
+
+void Texture2DArray::generateMipmaps() { TextureBase::generateMipmaps(); }
+
+Gfx::PTextureView Texture2DArray::getDefaultView() const { return PTextureView(handle->textureView); }
+
+Gfx::OTextureView Texture2DArray::createTextureView(uint32 baseMipLevel, uint32 levelCount, uint32 baseArrayLayer, uint32 layerCount) {
+    return handle->createTextureView(baseMipLevel, levelCount, baseArrayLayer, layerCount);
+}
+
+void Texture2DArray::executeOwnershipBarrier(Gfx::QueueType newOwner) { TextureBase::transferOwnership(newOwner); }
+
+void Texture2DArray::executePipelineBarrier(Gfx::SeAccessFlags srcAccess, Gfx::SePipelineStageFlags srcStage, Gfx::SeAccessFlags dstAccess,
+                                            Gfx::SePipelineStageFlags dstStage) {
+    TextureBase::pipelineBarrier(srcAccess, srcStage, dstAccess, dstStage);
+}
+
 Texture3D::Texture3D(PGraphics graphics, const TextureCreateInfo& createInfo)
     : Gfx::Texture3D(graphics->getFamilyMapping()), TextureBase(graphics, MTL::TextureType3D, createInfo) {}
 
@@ -155,6 +232,12 @@ void Texture3D::download(uint32 mipLevel, uint32 arrayLayer, uint32 face, Array<
 
 void Texture3D::generateMipmaps() { TextureBase::generateMipmaps(); }
 
+Gfx::PTextureView Texture3D::getDefaultView() const { return PTextureView(handle->textureView); }
+
+Gfx::OTextureView Texture3D::createTextureView(uint32 baseMipLevel, uint32 levelCount, uint32 baseArrayLayer, uint32 layerCount) {
+    return handle->createTextureView(baseMipLevel, levelCount, baseArrayLayer, layerCount);
+}
+
 void Texture3D::executeOwnershipBarrier(Gfx::QueueType newOwner) { TextureBase::transferOwnership(newOwner); }
 
 void Texture3D::executePipelineBarrier(Gfx::SeAccessFlags srcAccess, Gfx::SePipelineStageFlags srcStage, Gfx::SeAccessFlags dstAccess,
@@ -179,6 +262,12 @@ void TextureCube::download(uint32 mipLevel, uint32 arrayLayer, uint32 face, Arra
 
 void TextureCube::generateMipmaps() { TextureBase::generateMipmaps(); }
 
+Gfx::PTextureView TextureCube::getDefaultView() const { return PTextureView(handle->textureView); }
+
+Gfx::OTextureView TextureCube::createTextureView(uint32 baseMipLevel, uint32 levelCount, uint32 baseArrayLayer, uint32 layerCount) {
+    return handle->createTextureView(baseMipLevel, levelCount, baseArrayLayer, layerCount);
+}
+
 void TextureCube::executeOwnershipBarrier(Gfx::QueueType newOwner) { TextureBase::transferOwnership(newOwner); }
 
 void TextureCube::executePipelineBarrier(Gfx::SeAccessFlags srcAccess, Gfx::SePipelineStageFlags srcStage, Gfx::SeAccessFlags dstAccess,

src/Engine/Graphics/slang-compile.cpp

@@ -152,7 +152,7 @@ void Seele::beginCompilation(const ShaderCompilationInfo& info, SlangCompileTarg
         layout->addMapping("pResources", 4);
         layout->addMapping("pRayTracingParams", 5);
     }
-    layout->addMapping("pVertexData", 1);
+    //layout->addMapping("pVertexData", 1);
     // layout->addMapping("pWaterMaterial", 1);
 }