pghafari
133 γραμμές
3.8 KiB
C++
133 γραμμές
3.8 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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{
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class VkObject : public InteropObject
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{
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public:
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enum HandleType {
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ExternalMemoryFd = 1,
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ExternalMemoryWin32 = 2,
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ExternalMemoryWin32KMT = 3,
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};
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//! GLObject constructor initializes member variables
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VkObject(
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amd::Os::FileDesc handle,
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VkObject::HandleType handle_type
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) // Initialization of member variables
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{
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handleVk_ = handle;
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handle_type_ = handle_type;
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}
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virtual ~VkObject() {}
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VkObject* asVkObject() { return this; }
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amd::Os::FileDesc getVkSharedHandle() const { return handleVk_; }
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HandleType getHandleType() const { return handle_type_; }
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protected:
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amd::Os::FileDesc handleVk_;
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VkObject::HandleType handle_type_;
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};
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class BufferVk : public Buffer, public VkObject
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{
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protected:
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//! Initializes the device memory array which is nested
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// after'BufferVk' object in memory layout.
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void initDeviceMemory() {
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deviceMemories_ =
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reinterpret_cast<DeviceMemory*>(reinterpret_cast<char*>(this) + sizeof(BufferVk));
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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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//! BufferVk constructor just calls constructors of base classes
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//! to pass down the parameters
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BufferVk(
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Context& amdContext,
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size_t uiSizeInBytes,
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amd::Os::FileDesc handle,
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VkObject::HandleType handle_type) : // Call base classes constructors
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Buffer(
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amdContext,
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0,
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uiSizeInBytes
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),
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VkObject(
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handle, handle_type
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)
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{
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setInteropObj(this);
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}
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virtual ~BufferVk() {}
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BufferVk* asBufferVk() { return this; }
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};
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// to be modified once image requirments are known, for now, implement like buffer
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class ImageVk : public Buffer, public VkObject
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{
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protected:
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//! Initializes the device memory array which is nested
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// after'ImageVk' object in memory layout.
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void initDeviceMemory() {
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deviceMemories_ =
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reinterpret_cast<DeviceMemory*>(reinterpret_cast<char*>(this) + sizeof(ImageVk));
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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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//! ImageVk constructor just calls constructors of base classes
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//! to pass down the parameters
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ImageVk(
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Context& amdContext,
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size_t uiSizeInBytes,
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amd::Os::FileDesc handle,
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VkObject::HandleType handle_type): // Call base classes constructors
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Buffer(
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amdContext,
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0,
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uiSizeInBytes
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),
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VkObject(
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handle, handle_type
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)
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{
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setInteropObj(this);
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}
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virtual ~ImageVk() {}
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ImageVk* asImageVk() { return this; }
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};
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}
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