diff --git a/engine/gfx/metal/src/gfx_metal.cpp b/engine/gfx/metal/src/gfx_metal.cpp
index f27b090..bde33eb 100755
--- a/engine/gfx/metal/src/gfx_metal.cpp
+++ b/engine/gfx/metal/src/gfx_metal.cpp
@@ -229,7 +229,7 @@ void* GFXMetal::get_buffer_contents(GFXBuffer* buffer) {
 GFXTexture* GFXMetal::create_texture(const GFXTextureCreateInfo& info) {
     GFXMetalTexture* texture = new GFXMetalTexture();
 
-    MTL::TextureDescriptor* textureDescriptor = MTL::TextureDescriptor::alloc();
+    MTL::TextureDescriptor* textureDescriptor = MTL::TextureDescriptor::alloc()->init();
 
     MTL::PixelFormat mtlFormat = toPixelFormat(info.format);
 
@@ -275,7 +275,8 @@ GFXTexture* GFXMetal::create_texture(const GFXTextureCreateInfo& info) {
 
     textureDescriptor->setPixelFormat(mtlFormat);
     textureDescriptor->setWidth(info.width);
-    textureDescriptor->setWidth(info.height);
+    textureDescriptor->setHeight(info.height);
+    textureDescriptor->setDepth(1);
     textureDescriptor->setArrayLength(info.array_length);
     
     texture->array_length = info.array_length;
@@ -289,7 +290,7 @@ GFXTexture* GFXMetal::create_texture(const GFXTextureCreateInfo& info) {
     texture->width = info.width;
     texture->height = info.height;
 
-    MTL::SamplerDescriptor* samplerDescriptor = MTL::SamplerDescriptor::alloc();
+    MTL::SamplerDescriptor* samplerDescriptor = MTL::SamplerDescriptor::alloc()->init();
     samplerDescriptor->setMinFilter(MTL::SamplerMinMagFilterLinear);
     samplerDescriptor->setMagFilter(MTL::SamplerMinMagFilterLinear);
     samplerDescriptor->setSAddressMode(toSamplingMode(info.samplingMode));
@@ -367,7 +368,7 @@ void GFXMetal::copy_texture(GFXTexture* from, GFXBuffer* to) {
 GFXSampler* GFXMetal::create_sampler(const GFXSamplerCreateInfo& info) {
     GFXMetalSampler* sampler = new GFXMetalSampler();
     
-    MTL::SamplerDescriptor* samplerDescriptor = MTL::SamplerDescriptor::alloc();
+    MTL::SamplerDescriptor* samplerDescriptor = MTL::SamplerDescriptor::alloc()->init();
     samplerDescriptor->setMinFilter(toFilter(info.min_filter));
     samplerDescriptor->setMagFilter(toFilter(info.mag_filter));
     samplerDescriptor->setSAddressMode(toSamplingMode(info.samplingMode));
@@ -406,7 +407,7 @@ GFXRenderPass* GFXMetal::create_render_pass(const GFXRenderPassCreateInfo& info)
 }
 
 MTL::FunctionConstantValues* get_constant_values(GFXShaderConstants constants) {
-    MTL::FunctionConstantValues* constantValues = MTL::FunctionConstantValues::alloc();
+    MTL::FunctionConstantValues* constantValues = MTL::FunctionConstantValues::alloc()->init();
     
     for(auto& constant : constants) {
         switch(constant.type) {
@@ -424,7 +425,7 @@ GFXPipeline* GFXMetal::create_graphics_pipeline(const GFXGraphicsPipelineCreateI
 
     NS::Error* error = nil;
     
-    MTL::RenderPipelineDescriptor* pipelineDescriptor = MTL::RenderPipelineDescriptor::alloc();
+    MTL::RenderPipelineDescriptor* pipelineDescriptor = MTL::RenderPipelineDescriptor::alloc()->init();
     
     const bool has_vertex_stage = !info.shaders.vertex_src.empty();
     const bool has_fragment_stage = !info.shaders.fragment_src.empty();
@@ -493,11 +494,11 @@ GFXPipeline* GFXMetal::create_graphics_pipeline(const GFXGraphicsPipelineCreateI
         pipelineDescriptor->setFragmentFunction(fragmentFunc);
     }
     
-    MTL::VertexDescriptor* descriptor = MTL::VertexDescriptor::alloc();
+    MTL::VertexDescriptor* descriptor = MTL::VertexDescriptor::alloc()->init();
 
     int i = 0;
     for(auto input : info.vertex_input.inputs) {
-        MTL::VertexBufferLayoutDescriptor* inputDescriptor = MTL::VertexBufferLayoutDescriptor::alloc();
+        MTL::VertexBufferLayoutDescriptor* inputDescriptor = MTL::VertexBufferLayoutDescriptor::alloc()->init();
         inputDescriptor->setStride(input.stride);
         inputDescriptor->setStepFunction(MTL::VertexStepFunctionPerVertex);
 
@@ -536,7 +537,7 @@ GFXPipeline* GFXMetal::create_graphics_pipeline(const GFXGraphicsPipelineCreateI
                 break;
         }
 
-        MTL::VertexAttributeDescriptor* attributeDescriptor = MTL::VertexAttributeDescriptor::alloc();
+        MTL::VertexAttributeDescriptor* attributeDescriptor = MTL::VertexAttributeDescriptor::alloc()->init();
         attributeDescriptor->setFormat(format);
         attributeDescriptor->setBufferIndex(attribute.binding);
         attributeDescriptor->setOffset(attribute.offset);
@@ -552,7 +553,7 @@ GFXPipeline* GFXMetal::create_graphics_pipeline(const GFXGraphicsPipelineCreateI
         unsigned int i = 0;
         for(const auto& attachment : metalRenderPass->attachments) {
             if(attachment != MTL::PixelFormatDepth32Float) {
-                MTL::RenderPipelineColorAttachmentDescriptor* colorAttachmentDescriptor = MTL::RenderPipelineColorAttachmentDescriptor::alloc();
+                MTL::RenderPipelineColorAttachmentDescriptor* colorAttachmentDescriptor = MTL::RenderPipelineColorAttachmentDescriptor::alloc()->init();
 
                 colorAttachmentDescriptor->setPixelFormat(attachment);
                 colorAttachmentDescriptor->setBlendingEnabled(info.blending.enable_blending);
@@ -569,7 +570,7 @@ GFXPipeline* GFXMetal::create_graphics_pipeline(const GFXGraphicsPipelineCreateI
             }
         }
     } else {
-        MTL::RenderPipelineColorAttachmentDescriptor* colorAttachmentDescriptor = MTL::RenderPipelineColorAttachmentDescriptor::alloc();
+        MTL::RenderPipelineColorAttachmentDescriptor* colorAttachmentDescriptor = MTL::RenderPipelineColorAttachmentDescriptor::alloc()->init();
 
         //colorAttachmentDescriptor->setPixelFormat(attachment); [nativeViews[0]->layer pixelFormat];
         colorAttachmentDescriptor->setBlendingEnabled(info.blending.enable_blending);
@@ -610,7 +611,7 @@ GFXPipeline* GFXMetal::create_graphics_pipeline(const GFXGraphicsPipelineCreateI
 
     pipeline->winding_mode = info.rasterization.winding_mode;
     
-    MTL::DepthStencilDescriptor* depthStencil = MTL::DepthStencilDescriptor::alloc();
+    MTL::DepthStencilDescriptor* depthStencil = MTL::DepthStencilDescriptor::alloc()->init();
 
     if(info.depth.depth_mode != GFXDepthMode::None) {
         switch(info.depth.depth_mode) {
@@ -677,7 +678,7 @@ GFXPipeline* GFXMetal::create_compute_pipeline(const GFXComputePipelineCreateInf
     
     MTL::Function* computeFunc = computeLibrary->newFunction(NS::String::string("main0", NS::ASCIIStringEncoding));
 
-    MTL::ComputePipelineDescriptor* pipelineDescriptor = MTL::ComputePipelineDescriptor::alloc();
+    MTL::ComputePipelineDescriptor* pipelineDescriptor = MTL::ComputePipelineDescriptor::alloc()->init();
     pipelineDescriptor->setComputeFunction(computeFunc);
     
     pipeline->threadGroupSize = MTL::Size(info.workgroup_size_x, info.workgroup_size_y, info.workgroup_size_z);
@@ -771,20 +772,20 @@ void GFXMetal::submit(GFXCommandBuffer* command_buffer, const platform::window_p
                 break;
             case CurrentEncoder::Render:
             {
-                MTL::RenderPassDescriptor* descriptor = MTL::RenderPassDescriptor::alloc();
+                MTL::RenderPassDescriptor* descriptor = MTL::RenderPassDescriptor::alloc()->init();
 
                 if(currentRenderPass != nullptr && currentFramebuffer != nullptr) {
                     unsigned int i = 0;
                     for(const auto& attachment : currentFramebuffer->attachments) {
                         if(attachment->format == MTL::PixelFormatDepth32Float) {
-                            MTL::RenderPassDepthAttachmentDescriptor* depthAttachment = MTL::RenderPassDepthAttachmentDescriptor::alloc();
+                            MTL::RenderPassDepthAttachmentDescriptor* depthAttachment = MTL::RenderPassDepthAttachmentDescriptor::alloc()->init();
                             depthAttachment->setTexture(attachment->handle);
                             depthAttachment->setLoadAction(MTL::LoadActionClear);
                             depthAttachment->setStoreAction(MTL::StoreActionStore);
 
                             descriptor->setDepthAttachment(depthAttachment);
                         } else {
-                            MTL::RenderPassColorAttachmentDescriptor* colorAttachment = MTL::RenderPassColorAttachmentDescriptor::alloc();
+                            MTL::RenderPassColorAttachmentDescriptor* colorAttachment = MTL::RenderPassColorAttachmentDescriptor::alloc()->init();
 
                             colorAttachment->setTexture(attachment->handle);
                             colorAttachment->setLoadAction(MTL::LoadActionClear);
@@ -797,7 +798,7 @@ void GFXMetal::submit(GFXCommandBuffer* command_buffer, const platform::window_p
 
                     renderEncoder = commandBuffer->renderCommandEncoder(descriptor);
                 } else {
-                    MTL::RenderPassColorAttachmentDescriptor* colorAttachment = MTL::RenderPassColorAttachmentDescriptor::alloc();
+                    MTL::RenderPassColorAttachmentDescriptor* colorAttachment = MTL::RenderPassColorAttachmentDescriptor::alloc()->init();
 
                     //colorAttachment->setTexture(attachment->handle); drawable.texture
                     colorAttachment->setLoadAction(MTL::LoadActionClear);