gpu: add ComputePipeline.Descriptor

Signed-off-by: Stephen Gutekanst <stephen@hexops.com>

gpu/src/ComputePipeline.zig

@@ -1,3 +1,6 @@
+const PipelineLayout = @import("PipelineLayout.zig");
+const ProgrammableStageDescriptor = @import("structs.zig").ProgrammableStageDescriptor;
+
 const ComputePipeline = @This();
 
 /// The type erased pointer to the ComputePipeline implementation
@@ -25,8 +28,15 @@ pub inline fn setLabel(pipeline: ComputePipeline, label: [:0]const u8) void {
     pipeline.vtable.setLabel(pipeline.ptr, label);
 }
 
+pub const Descriptor = struct {
+    label: ?[*:0]const u8 = null,
+    layout: PipelineLayout,
+    compute: ProgrammableStageDescriptor,
+};
+
 test "syntax" {
     _ = VTable;
     _ = reference;
     _ = release;
+    _ = Descriptor;
 }

gpu/src/TODO

@@ -57,13 +57,6 @@ typedef struct WGPUDawnTogglesDeviceDescriptor {
 
 
 
-typedef struct WGPUComputePipelineDescriptor {
-    WGPUChainedStruct const * nextInChain;
-    char const * label;
-    WGPUPipelineLayout layout;
-    WGPUProgrammableStageDescriptor compute;
-} WGPUComputePipelineDescriptor;
-
 typedef struct WGPURenderPassDescriptor {
     WGPUChainedStruct const * nextInChain;
     char const * label;

gpu/src/Texture.zig

@@ -1,3 +1,5 @@
+const Extent3D = @import("data.zig").Extent3D;
+
 const TextureView = @import("TextureView.zig");
 
 const Texture = @This();