Add WebGPU backend

futhark.cabal

@@ -44,6 +44,7 @@ extra-source-files:
     rts/c/backends/hip.h
     rts/c/backends/multicore.h
     rts/c/backends/opencl.h
+    rts/c/backends/webgpu.h
     rts/c/lock.h
     rts/c/copy.h
     rts/c/timing.h
@@ -78,6 +79,11 @@ extra-source-files:
     rts/python/values.py
     rts/python/opencl.py
     rts/python/scalar.py
+    rts/webgpu/server_ws.js
+    rts/wgsl/scalar.wgsl
+    rts/wgsl/scalar8.wgsl
+    rts/wgsl/scalar16.wgsl
+    rts/wgsl/scalar64.wgsl
     prelude/functional.fut
     prelude/math.fut
     prelude/soacs.fut
@@ -175,8 +181,10 @@ library
       Futhark.CLI.Script
       Futhark.CLI.Test
       Futhark.CLI.WASM
+      Futhark.CLI.WebGPU
       Futhark.CodeGen.Backends.CCUDA
       Futhark.CodeGen.Backends.COpenCL
+      Futhark.CodeGen.Backends.CWebGPU
       Futhark.CodeGen.Backends.HIP
       Futhark.CodeGen.Backends.GenericC
       Futhark.CodeGen.Backends.GenericC.CLI
@@ -209,11 +217,15 @@ library
       Futhark.CodeGen.RTS.OpenCL
       Futhark.CodeGen.RTS.Python
       Futhark.CodeGen.RTS.JavaScript
+      Futhark.CodeGen.RTS.WebGPU
+      Futhark.CodeGen.RTS.WGSL
       Futhark.CodeGen.ImpCode
       Futhark.CodeGen.ImpCode.GPU
+      Futhark.CodeGen.ImpCode.Kernels
       Futhark.CodeGen.ImpCode.Multicore
       Futhark.CodeGen.ImpCode.OpenCL
       Futhark.CodeGen.ImpCode.Sequential
+      Futhark.CodeGen.ImpCode.WebGPU
       Futhark.CodeGen.ImpGen
       Futhark.CodeGen.ImpGen.CUDA
       Futhark.CodeGen.ImpGen.GPU
@@ -235,6 +247,8 @@ library
       Futhark.CodeGen.ImpGen.Multicore.SegScan
       Futhark.CodeGen.ImpGen.OpenCL
       Futhark.CodeGen.ImpGen.Sequential
+      Futhark.CodeGen.ImpGen.WGSL
+      Futhark.CodeGen.ImpGen.WebGPU
       Futhark.CodeGen.OpenCL.Heuristics
       Futhark.Compiler
       Futhark.Compiler.CLI
@@ -377,6 +391,7 @@ library
       Futhark.Script
       Futhark.Test
       Futhark.Test.Spec
+      Futhark.Test.WebGPUTest
       Futhark.Test.Values
       Futhark.Tools
       Futhark.Transform.CopyPropagate