// Copyright 2023 The Dawn & Tint Authors
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#include "dawn/native/d3d11/BindGroupLayoutD3D11.h"

#include "dawn/native/d3d11/DeviceD3D11.h"

namespace dawn::native::d3d11 {

ResultOrError<Ref<BindGroupLayout>> BindGroupLayout::Create(
    Device* device,
    const UnpackedPtr<BindGroupLayoutDescriptor>& descriptor) {
    return AcquireRef(new BindGroupLayout(device, descriptor));
}

BindGroupLayout::BindGroupLayout(Device* device,
                                 const UnpackedPtr<BindGroupLayoutDescriptor>& descriptor)
    : BindGroupLayoutInternalBase(device, descriptor),
      mBindGroupAllocator(MakeFrontendBindGroupAllocator<BindGroup>(4096)) {}

Ref<BindGroup> BindGroupLayout::AllocateBindGroup(
    Device* device,
    const UnpackedPtr<BindGroupDescriptor>& descriptor) {
    return AcquireRef(mBindGroupAllocator->Allocate(device, descriptor));
}

void BindGroupLayout::DeallocateBindGroup(BindGroup* bindGroup) {
    mBindGroupAllocator->Deallocate(bindGroup);
}

void BindGroupLayout::ReduceMemoryUsage() {
    mBindGroupAllocator->DeleteEmptySlabs();
}

}  // namespace dawn::native::d3d11