Official Metal And Direct3D Support - Odin Programming Language

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Odin now officially supports both the Metal API and Direct3D 11 & 12 out-of-the box! This makes Odin currently the only language that officially supports all of the major graphics APIs: OpenGL, Vulkan, Direct3D11, Direct3D12, Metal, wgpu and WebGL 1 & 2.

Metal #

Metal

Odin now has NATIVE Metal support, and it is even cleaner than writing it in Objective-C in numerous cases!

Native support means that Odin is directly caling the Objective-C runtime, and not through a wrapper of another language. This means that the Metal package in Odin will have virtually the same performance as Objective-C code. This means you can now write Metal code without being locked into using an Apple-specific language.

Example and Documentation #

You can check out a minimal demonstration of Metal in Odin here: https://gist.github.com/gingerBill/e1270f60a1739c266934599c2bee46f5.

And the automatically generated package documentation here: package vendor:darwin/Metal documentation.

Metal in Objective-C #

MTLSamplerDescriptor *samplerDescriptor = [[MTLSamplerDescriptor alloc] init]; [samplerDescriptor setSAddressMode: MTLSamplerAddressModeRepeat]; [samplerDescriptor setTAddressMode: MTLSamplerAddressModeRepeat]; [samplerDescriptor setRAddressMode: MTLSamplerAddressModeRepeat]; [samplerDescriptor setMagFilter: MTLSamplerMinMagFilterLinear]; [samplerDescriptor setMinFilter: MTLSamplerMinMagFilterLinear]; [samplerDescriptor setMipFilter: MTLSamplerMipFilterLinear]; [samplerDescriptor setSupportArgumentBuffers: YES]; id< MTLSamplerState > samplerState = [device newSamplerStateWithDescriptor:samplerDescriptor]; [samplerDescriptor release]; // ... [samplerState release];

Metal in Odin #

samplerDescriptor := MTL.SamplerDescriptor.alloc()->init() samplerDescriptor->setSAddressMode(.Repeat) samplerDescriptor->setTAddressMode(.Repeat) samplerDescriptor->setRAddressMode(.Repeat) samplerDescriptor->setMagFilter(.Linear) samplerDescriptor->setMinFilter(.Linear) samplerDescriptor->setMipFilter(.Linear) samplerDescriptor->setSupportArgumentBuffers(true) samplerState := device->newSamplerState(samplerDescriptor) samplerDescriptor->release() // ... samplerState->release()

DirectX #

DirectX

Example and Documentation #

You can check out a minimal demonstration of Direct3D11 in Odin here: https://gist.github.com/gingerBill/b7b75772f92c5511a9cd3ca2e28eca37.

And the automatically generated package documentation here for both D3D11 and D3D12:

  • package vendor:directx/d3d11 documentation
  • package vendor:directx/d3d12 documentation

Writing Direct3D code is Odin is really simple! The code will be nearly the same as writing it as if you were using the APIs in native C++ with thanks to the -> operator:

depth_buffer_desc: D3D11.TEXTURE2D_DESC framebuffer->GetDesc(&depth_buffer_desc) depth_buffer_desc.Format = .D24_UNORM_S8_UINT depth_buffer_desc.BindFlags = .DEPTH_STENCIL depth_buffer: ^D3D11.ITexture2D device->CreateTexture2D(&depth_buffer_desc, nil, &depth_buffer) depth_buffer_view: ^D3D11.IDepthStencilView device->CreateDepthStencilView(depth_buffer, nil, &depth_buffer_view) sampler_desc := D3D11.SAMPLER_DESC{ Filter = .MIN_MAG_MIP_POINT, AddressU = .WRAP, AddressV = .WRAP, AddressW = .WRAP, ComparisonFunc = .NEVER, } sampler_state: ^D3D11.ISamplerState device->CreateSamplerState(&sampler_desc, &sampler_state)

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