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https://github.com/encounter/dawn-cmake.git
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f603903da7
Adds overflow check in RingBufferAllocator + unit-test. Also, update clients to use uint64_t to avoid casts or narrowing. BUG=dawn:233 Change-Id: I652e3142407006d082491add600371f95d44741a Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/12380 Reviewed-by: Austin Eng <enga@chromium.org> Reviewed-by: Corentin Wallez <cwallez@chromium.org> Commit-Queue: Bryan Bernhart <bryan.bernhart@intel.com>
82 lines
3.0 KiB
C++
82 lines
3.0 KiB
C++
// Copyright 2017 The Dawn Authors
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#ifndef DAWNNATIVE_D3D12_DESCRIPTORHEAPALLOCATOR_H_
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#define DAWNNATIVE_D3D12_DESCRIPTORHEAPALLOCATOR_H_
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#include "dawn_native/d3d12/d3d12_platform.h"
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#include <array>
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#include <vector>
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#include "common/SerialQueue.h"
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#include "dawn_native/Error.h"
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#include "dawn_native/RingBufferAllocator.h"
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namespace dawn_native { namespace d3d12 {
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class Device;
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class DescriptorHeapHandle {
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public:
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DescriptorHeapHandle();
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DescriptorHeapHandle(ComPtr<ID3D12DescriptorHeap> descriptorHeap,
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uint32_t sizeIncrement,
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uint64_t offset);
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ID3D12DescriptorHeap* Get() const;
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D3D12_CPU_DESCRIPTOR_HANDLE GetCPUHandle(uint32_t index) const;
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D3D12_GPU_DESCRIPTOR_HANDLE GetGPUHandle(uint32_t index) const;
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private:
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ComPtr<ID3D12DescriptorHeap> mDescriptorHeap;
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uint32_t mSizeIncrement;
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uint64_t mOffset;
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};
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class DescriptorHeapAllocator {
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public:
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DescriptorHeapAllocator(Device* device);
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ResultOrError<DescriptorHeapHandle> AllocateGPUHeap(D3D12_DESCRIPTOR_HEAP_TYPE type,
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uint32_t count);
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ResultOrError<DescriptorHeapHandle> AllocateCPUHeap(D3D12_DESCRIPTOR_HEAP_TYPE type,
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uint32_t count);
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void Deallocate(uint64_t lastCompletedSerial);
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private:
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struct DescriptorHeapInfo {
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ComPtr<ID3D12DescriptorHeap> heap;
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RingBufferAllocator allocator;
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};
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ResultOrError<DescriptorHeapHandle> Allocate(D3D12_DESCRIPTOR_HEAP_TYPE type,
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uint32_t count,
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uint32_t allocationSize,
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DescriptorHeapInfo* heapInfo,
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D3D12_DESCRIPTOR_HEAP_FLAGS flags);
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Device* mDevice;
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std::array<uint32_t, D3D12_DESCRIPTOR_HEAP_TYPE_NUM_TYPES> mSizeIncrements;
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std::array<DescriptorHeapInfo, D3D12_DESCRIPTOR_HEAP_TYPE_NUM_TYPES>
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mCpuDescriptorHeapInfos;
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std::array<DescriptorHeapInfo, D3D12_DESCRIPTOR_HEAP_TYPE_NUM_TYPES>
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mGpuDescriptorHeapInfos;
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};
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}} // namespace dawn_native::d3d12
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#endif // DAWNNATIVE_D3D12_DESCRIPTORHEAPALLOCATOR_H_
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