Danylo Lytovchenko
74 خطوط
2.7 KiB
C++
74 خطوط
2.7 KiB
C++
/* Copyright (c) 2010 - 2021 Advanced Micro Devices, Inc.
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in
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all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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THE SOFTWARE. */
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#pragma once
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#include "platform/context.hpp"
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#include "platform/memory.hpp"
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namespace amd {
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class ExternalMemory : public InteropObject {
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public:
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enum class HandleType : uint32_t {
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OpaqueFd = 1,
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OpaqueWin32 = 2,
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OpaqueWin32Kmt = 3,
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D3D12Heap = 4,
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D3D12Resource = 5,
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D3D11Resource = 6,
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D3D11ResourceKmt = 7
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};
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ExternalMemory(amd::Os::FileDesc handle, const void* name, ExternalMemory::HandleType handle_type)
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: handle_(handle), name_(name), handle_type_(handle_type) {}
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virtual ~ExternalMemory() override {}
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ExternalMemory* asExternalMemory() final { return this; }
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amd::Os::FileDesc Handle() const { return handle_; }
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const void* Name() const { return name_; }
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HandleType Type() const { return handle_type_; }
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protected:
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amd::Os::FileDesc handle_;
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const void* name_;
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ExternalMemory::HandleType handle_type_;
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};
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class ExternalBuffer final : public Buffer, public ExternalMemory {
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protected:
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// Initializes device memory array, which is located after ExternalBuffer object in memory
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void initDeviceMemory() {
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deviceMemories_ =
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reinterpret_cast<DeviceMemory*>(reinterpret_cast<char*>(this) + sizeof(ExternalBuffer));
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memset(deviceMemories_, 0, context_().devices().size() * sizeof(DeviceMemory));
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}
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public:
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ExternalBuffer(Context& amdContext, size_t size_in_bytes, amd::Os::FileDesc handle,
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ExternalMemory::HandleType handle_type, const void* name = nullptr)
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: Buffer(amdContext, 0, size_in_bytes), ExternalMemory(handle, name, handle_type) {
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setInteropObj(this);
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}
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virtual ~ExternalBuffer() {}
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};
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} // namespace amd
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