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/*
** Copyright (c) 2018-2021 Advanced Micro Devices, Inc. All rights reserved.
**
** Permission is hereby granted, free of charge, to any person obtaining a
** copy of this software and associated documentation files (the "Software"),
** to deal in the Software without restriction, including without limitation
** the rights to use, copy, modify, merge, publish, distribute, sublicense,
** and/or sell copies of the Software, and to permit persons to whom the
** Software is furnished to do so, subject to the following conditions:
**
** The above copyright notice and this permission notice shall be included in
** all copies or substantial portions of the Software.
**
** THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
** IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
** FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
** AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
** LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
** FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
** DEALINGS IN THE SOFTWARE.
*/
#include "gpu_va_map.h"
#include "util/defines.h"
#include <d3d12.h>
#include "logging.h"
#include <array>
#include <Windows.h>
#include <memory>
#include <unordered_map>
#include <vector>
GFXRECON_BEGIN_NAMESPACE(gfxrecon)
GFXRECON_BEGIN_NAMESPACE(util)
bool GpuVaMap::Add(ID3D12Resource* resource)
{
D3D12_RESOURCE_DESC resource_desc = const_cast<ID3D12Resource*>(resource)->GetDesc();
if (D3D12_RESOURCE_DIMENSION_BUFFER != resource_desc.Dimension)
{
GFXRECON_LOG_INFO("invalid argument passed to a function");
return false;
}
D3D12_GPU_VIRTUAL_ADDRESS gpu_va = resource->GetGPUVirtualAddress();
return Add(resource,
/* capture_gpu_va */ gpu_va,
/* replay_gpu_va */ gpu_va,
&resource_desc);
}
bool GpuVaMap::Add(ID3D12Resource* resource, D3D12_GPU_VIRTUAL_ADDRESS gpu_va, D3D12_RESOURCE_DESC* desc)
{
return Add(resource,
/* capture_gpu_va */ gpu_va,
/* replay_gpu_va */ gpu_va,
desc);
}
bool GpuVaMap::Add(ID3D12Resource* resource,
D3D12_GPU_VIRTUAL_ADDRESS capture_gpu_va,
D3D12_GPU_VIRTUAL_ADDRESS replay_gpu_va,
D3D12_RESOURCE_DESC* desc)
{
if (D3D12_RESOURCE_DIMENSION_BUFFER != desc->Dimension)
{
GFXRECON_LOG_INFO("invalid argument passed to a function");
return false;
}
const D3D12_GPU_VIRTUAL_ADDRESS capture_range_start{ capture_gpu_va & kZeroPageBitsMask };
const GpuVaRange capture_range{
/* start */ capture_range_start,
/* end */ (capture_range_start + desc->Width - 1) & kZeroPageBitsMask,
};
D3D12_GPU_VIRTUAL_ADDRESS replay_page = (replay_gpu_va & kZeroPageBitsMask);
bool ret_status = true;
for (D3D12_GPU_VIRTUAL_ADDRESS page = capture_range.start; capture_range.end >= page;
page += kPageSize, replay_page += kPageSize)
{
const std::array<int, kPageTableLevelCount> table_indices = GetPageTableIndices(page);
GpuVaPage& gpu_va_page = GetPage(table_indices);
auto buffer_iter = std::find(gpu_va_page.buffers.begin(), gpu_va_page.buffers.end(), resource);
if (gpu_va_page.buffers.end() != buffer_iter)
{
ret_status = false;
GFXRECON_LOG_WARNING("GpuVaMap: Duplicate object in an object map. Object not added.");
}
else
{
gpu_va_page.buffers.push_back(resource);
}
gpu_va_page.gpu_va = replay_page;
}
return ret_status;
}
bool GpuVaMap::Remove(ID3D12Resource* resource)
{
if (page_table.pages.empty())
{
GFXRECON_LOG_WARNING("GpuVaMap: Object or resource not found in map or list. Object not removed.");
return false;
}
GpuVaRange buffer_range{};
bool ret_status = GetResourceGpuVaRange(resource, &buffer_range);
if (true != ret_status)
{
return ret_status;
}
return Remove(resource, buffer_range);
}
bool GpuVaMap::Remove(const ID3D12Resource* resource, GpuVaRange& buffer_range)
{
bool ret_status = true;
buffer_range.start = (buffer_range.start & kZeroPageBitsMask);
buffer_range.end = (buffer_range.end & kZeroPageBitsMask);
for (D3D12_GPU_VIRTUAL_ADDRESS page = buffer_range.start; buffer_range.end >= page; page += kPageSize)
{
const std::array<int, kPageTableLevelCount> table_indices = GetPageTableIndices(page);
if (IsPageAllocated(table_indices))
{
GpuVaPage& gpu_va_page = GetPage(table_indices);
auto buffer_iter = std::find(gpu_va_page.buffers.begin(), gpu_va_page.buffers.end(), resource);
if (gpu_va_page.buffers.end() != buffer_iter)
{
gpu_va_page.buffers.erase(buffer_iter);
}
else
{
GFXRECON_LOG_WARNING("GpuVaMap: Object or resource not found in map or list. Object not removed.");
ret_status = false;
}
}
}
return ret_status;
}
int GpuVaMap::GetResourcesCount(D3D12_GPU_VIRTUAL_ADDRESS gpu_va) ///< )
const
{
const std::array<int, kPageTableLevelCount> table_indices = GetPageTableIndices(gpu_va);
if (!IsPageAllocated(table_indices))
{
return 0;
}
return static_cast<int>(GetPage(table_indices).buffers.size());
}
bool GpuVaMap::GetResource(D3D12_GPU_VIRTUAL_ADDRESS gpu_va, int resource_index, ID3D12Resource** resource) const
{
if ((0 > resource_index) || (nullptr == resource))
{
GFXRECON_LOG_INFO("invalid argument passed to a function");
return false;
}
const std::array<int, kPageTableLevelCount> table_indices = GetPageTableIndices(gpu_va);
const GpuVaPage& gpu_va_page = GetPage(table_indices);
if (!IsPageAllocated(table_indices))
{
GFXRECON_LOG_INFO("Object or resource not found in map or list");
return false;
}
if (gpu_va_page.buffers.size() <= static_cast<size_t>(resource_index))
{
GFXRECON_LOG_INFO("invalid argument passed to a function");
return false;
}
(*resource) = gpu_va_page.buffers[resource_index];
return true;
}
D3D12_GPU_VIRTUAL_ADDRESS GpuVaMap::GetReplayGpuVa(D3D12_GPU_VIRTUAL_ADDRESS gpu_va) const
{
if (0 == gpu_va)
{
return 0;
}
const std::array<int, kPageTableLevelCount> table_indices = GetPageTableIndices(gpu_va);
if (!IsPageAllocated(table_indices))
{
return 0;
}
const GpuVaPage& gpu_va_page = GetPage(table_indices);
if (0 == gpu_va_page.gpu_va)
{
return 0;
}
return (gpu_va_page.gpu_va + (gpu_va & kPageBitsMask));
}
const std::array<int, GpuVaMap::kPageTableLevelCount>
GpuVaMap::GetPageTableIndices(D3D12_GPU_VIRTUAL_ADDRESS gpu_va) noexcept
{
std::array<int, kPageTableLevelCount> indices{};
D3D12_GPU_VIRTUAL_ADDRESS va = gpu_va;
for (int i = (kPageTableLevelCount - 1); 0 < i; --i)
{
va = va >> kPageTableBitSize;
indices[i] = (va & kPageTableBitMask);
}
indices[0] = (va & kTopPageTableBitMask);
return indices;
}
bool GpuVaMap::IsPageAllocated(const std::array<int, kPageTableLevelCount>& table_indices) const noexcept
{
if (page_table.pages[table_indices[0]].pages.empty())
{
return false;
}
if (page_table.pages[table_indices[0]].pages[table_indices[1]].pages.empty())
{
return false;
}
if (page_table.pages[table_indices[0]].pages[table_indices[1]].pages[table_indices[2]].pages.empty())
{
return false;
}
return true;
}
const GpuVaMap::GpuVaPage& GpuVaMap::GetPage(const std::array<int, kPageTableLevelCount>& table_indices) const
{
if (page_table.pages.empty())
{
(const_cast<GpuVaMap*>(this))->page_table.pages.resize(1 << kTopPageTableBitSize);
}
if (page_table.pages[table_indices[0]].pages.empty())
{
(const_cast<GpuVaMap*>(this))->page_table.pages[table_indices[0]].pages.resize(1 << kPageTableBitSize);
}
if (page_table.pages[table_indices[0]].pages[table_indices[1]].pages.empty())
{
(const_cast<GpuVaMap*>(this))
->page_table.pages[table_indices[0]]
.pages[table_indices[1]]
.pages.resize(1 << kPageTableBitSize);
}
if (page_table.pages[table_indices[0]].pages[table_indices[1]].pages[table_indices[2]].pages.empty())
{
(const_cast<GpuVaMap*>(this))
->page_table.pages[table_indices[0]]
.pages[table_indices[1]]
.pages[table_indices[2]]
.pages.resize(1 << kPageTableBitSize);
}
return page_table.pages[table_indices[0]].pages[table_indices[1]].pages[table_indices[2]].pages[table_indices[3]];
}
GpuVaMap::GpuVaPage& GpuVaMap::GetPage(const std::array<int, kPageTableLevelCount>& table_indices)
{
return const_cast<GpuVaPage&>((const_cast<const GpuVaMap*>(this))->GetPage(table_indices));
}
GFXRECON_END_NAMESPACE(util)
GFXRECON_END_NAMESPACE(gfxrecon)
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