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gpu: implement Device.createComputePipelineAsync

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Signed-off-by: Stephen Gutekanst <stephen@hexops.com>
This commit is contained in:
Stephen Gutekanst 2022-03-15 20:04:34 -07:00 • committed by Stephen Gutekanst
parent 3ce0e1258a
commit 38535c7b5f
6 changed files with 110 additions and 13 deletions
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44
gpu/src/NativeInstance.zig
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@ -382,6 +382,50 @@ const device_vtable = Device.VTable{
return wrapCommandEncoder(c.wgpuDeviceCreateCommandEncoder(@ptrCast(c.WGPUDevice, ptr), desc));
}
}).createCommandEncoder,
.createComputePipelineAsync = (struct {
pub fn createComputePipelineAsync(
ptr: *anyopaque,
descriptor: *const ComputePipeline.Descriptor,
callback: *ComputePipeline.CreateCallback,
) void {
const desc = c.WGPUComputePipelineDescriptor{
.nextInChain = null,
.label = if (descriptor.label) |l| l else null,
.layout = @ptrCast(c.WGPUPipelineLayout, descriptor.layout.ptr),
.compute = c.WGPUProgrammableStageDescriptor{
.nextInChain = null,
.module = @ptrCast(c.WGPUShaderModule, descriptor.compute.module.ptr),
.entryPoint = descriptor.compute.entry_point,
.constantCount = if (descriptor.compute.constants) |v| @intCast(u32, v.len) else 0,
.constants = if (descriptor.compute.constants) |v| @ptrCast(*const c.WGPUConstantEntry, &v[0]) else null,
},
};
const cCallback = (struct {
pub fn cCallback(
status: c.WGPUCreatePipelineAsyncStatus,
pipeline: c.WGPUComputePipeline,
message: [*c]const u8,
userdata: ?*anyopaque,
) callconv(.C) void {
const callback_info = @ptrCast(*ComputePipeline.CreateCallback, @alignCast(@alignOf(*ComputePipeline.CreateCallback), userdata));
callback_info.type_erased_callback(
callback_info.type_erased_ctx,
@intToEnum(ComputePipeline.CreateStatus, status),
wrapComputePipeline(pipeline),
std.mem.span(message),
);
}
}).cCallback;
c.wgpuDeviceCreateComputePipelineAsync(
@ptrCast(c.WGPUDevice, ptr),
&desc,
cCallback,
callback,
);
}
}).createComputePipelineAsync,
.createRenderPipeline = (struct {
pub fn createRenderPipeline(ptr: *anyopaque, descriptor: *const RenderPipeline.Descriptor) RenderPipeline {
var tmp_depth_stencil: c.WGPUDepthStencilState = undefined;