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Allow textures to have their data partially mapped (#2629)

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* Allow textures to have their data partially mapped

* Explicitly check for invalid memory ranges on the MultiRangeList

* Update GetWritableRegion to also support unmapped ranges
This commit is contained in:
gdkchan 2022-02-22 13:34:16 -03:00 • committed by GitHub
parent c9c65af59e
commit 0a24aa6af2
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GPG key ID: 4AEE18F83AFDEB23
6 changed files with 170 additions and 68 deletions
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53
Ryujinx.Graphics.Gpu/Memory/MemoryManager.cs
View file

@ -28,7 +28,7 @@ namespace Ryujinx.Graphics.Gpu.Memory
private const int PtLvl1Bit = PtPageBits;
private const int AddressSpaceBits = PtPageBits + PtLvl1Bits + PtLvl0Bits;
public const ulong PteUnmapped = 0xffffffff_ffffffff;
public const ulong PteUnmapped = ulong.MaxValue;
private readonly ulong[][] _pageTable;
@ -340,7 +340,6 @@ namespace Ryujinx.Graphics.Gpu.Memory
/// <param name="va">Virtual address of the range</param>
/// <param name="size">Size of the range</param>
/// <returns>Multi-range with the physical regions</returns>
/// <exception cref="InvalidMemoryRegionException">The memory region specified by <paramref name="va"/> and <paramref name="size"/> is not fully mapped</exception>
public MultiRange GetPhysicalRegions(ulong va, ulong size)
{
if (IsContiguous(va, (int)size))
@ -348,11 +347,6 @@ namespace Ryujinx.Graphics.Gpu.Memory
return new MultiRange(Translate(va), size);
}
if (!IsMapped(va))
{
throw new InvalidMemoryRegionException($"The specified GPU virtual address 0x{va:X} is not mapped.");
}
ulong regionStart = Translate(va);
ulong regionSize = Math.Min(size, PageSize - (va & PageMask));
@ -367,14 +361,10 @@ namespace Ryujinx.Graphics.Gpu.Memory
for (int page = 0; page < pages - 1; page++)
{
if (!IsMapped(va + PageSize))
{
throw new InvalidMemoryRegionException($"The specified GPU virtual memory range 0x{va:X}..0x{(va + size):X} is not fully mapped.");
}
ulong currPa = Translate(va);
ulong newPa = Translate(va + PageSize);
if (Translate(va) + PageSize != newPa)
if ((currPa != PteUnmapped || newPa != PteUnmapped) && currPa + PageSize != newPa)
{
regions.Add(new MemoryRange(regionStart, regionSize));
regionStart = newPa;
@ -405,18 +395,35 @@ namespace Ryujinx.Graphics.Gpu.Memory
{
MemoryRange currentRange = range.GetSubRange(i);
ulong address = currentRange.Address & ~PageMask;
ulong endAddress = (currentRange.EndAddress + PageMask) & ~PageMask;
while (address < endAddress)
if (currentRange.Address != PteUnmapped)
{
if (Translate(va) != address)
{
return false;
}
ulong address = currentRange.Address & ~PageMask;
ulong endAddress = (currentRange.EndAddress + PageMask) & ~PageMask;
va += PageSize;
address += PageSize;
while (address < endAddress)
{
if (Translate(va) != address)
{
return false;
}
va += PageSize;
address += PageSize;
}
}
else
{
ulong endVa = va + (((currentRange.Size) + PageMask) & ~PageMask);
while (va < endVa)
{
if (Translate(va) != PteUnmapped)
{
return false;
}
va += PageSize;
}
}
}

71
Ryujinx.Graphics.Gpu/Memory/PhysicalMemory.cs
View file

@ -7,8 +7,6 @@ using Ryujinx.Memory.Range;
using Ryujinx.Memory.Tracking;
using System;
using System.Collections.Generic;
using System.Runtime.CompilerServices;
using System.Runtime.InteropServices;
using System.Threading;
namespace Ryujinx.Graphics.Gpu.Memory
@ -19,8 +17,6 @@ namespace Ryujinx.Graphics.Gpu.Memory
/// </summary>
class PhysicalMemory : IDisposable
{
public const int PageSize = 0x1000;
private readonly GpuContext _context;
private IVirtualMemoryManagerTracked _cpuMemory;
private int _referenceCount;
@ -103,24 +99,28 @@ namespace Ryujinx.Graphics.Gpu.Memory
if (range.Count == 1)
{
var singleRange = range.GetSubRange(0);
return _cpuMemory.GetSpan(singleRange.Address, (int)singleRange.Size, tracked);
}
else
{
Span<byte> data = new byte[range.GetSize()];
int offset = 0;
for (int i = 0; i < range.Count; i++)
if (singleRange.Address != MemoryManager.PteUnmapped)
{
var currentRange = range.GetSubRange(i);
int size = (int)currentRange.Size;
_cpuMemory.GetSpan(currentRange.Address, size, tracked).CopyTo(data.Slice(offset, size));
offset += size;
return _cpuMemory.GetSpan(singleRange.Address, (int)singleRange.Size, tracked);
}
return data;
}
Span<byte> data = new byte[range.GetSize()];
int offset = 0;
for (int i = 0; i < range.Count; i++)
{
var currentRange = range.GetSubRange(i);
int size = (int)currentRange.Size;
if (currentRange.Address != MemoryManager.PteUnmapped)
{
_cpuMemory.GetSpan(currentRange.Address, size, tracked).CopyTo(data.Slice(offset, size));
}
offset += size;
}
return data;
}
/// <summary>
@ -156,11 +156,13 @@ namespace Ryujinx.Graphics.Gpu.Memory
int offset = 0;
for (int i = 0; i < range.Count; i++)
{
MemoryRange subrange = range.GetSubRange(i);
GetSpan(subrange.Address, (int)subrange.Size).CopyTo(memory.Span.Slice(offset, (int)subrange.Size));
offset += (int)subrange.Size;
var currentRange = range.GetSubRange(i);
int size = (int)currentRange.Size;
if (currentRange.Address != MemoryManager.PteUnmapped)
{
GetSpan(currentRange.Address, size).CopyTo(memory.Span.Slice(offset, size));
}
offset += size;
}
return new WritableRegion(new MultiRangeWritableBlock(range, this), 0, memory, tracked);
@ -253,7 +255,10 @@ namespace Ryujinx.Graphics.Gpu.Memory
if (range.Count == 1)
{
var singleRange = range.GetSubRange(0);
writeCallback(singleRange.Address, data);
if (singleRange.Address != MemoryManager.PteUnmapped)
{
writeCallback(singleRange.Address, data);
}
}
else
{
@ -263,7 +268,10 @@ namespace Ryujinx.Graphics.Gpu.Memory
{
var currentRange = range.GetSubRange(i);
int size = (int)currentRange.Size;
writeCallback(currentRange.Address, data.Slice(offset, size));
if (currentRange.Address != MemoryManager.PteUnmapped)
{
writeCallback(currentRange.Address, data.Slice(offset, size));
}
offset += size;
}
}
@ -288,11 +296,20 @@ namespace Ryujinx.Graphics.Gpu.Memory
public GpuRegionHandle BeginTracking(MultiRange range)
{
var cpuRegionHandles = new CpuRegionHandle[range.Count];
int count = 0;
for (int i = 0; i < range.Count; i++)
{
var currentRange = range.GetSubRange(i);
cpuRegionHandles[i] = _cpuMemory.BeginTracking(currentRange.Address, currentRange.Size);
if (currentRange.Address != MemoryManager.PteUnmapped)
{
cpuRegionHandles[count++] = _cpuMemory.BeginTracking(currentRange.Address, currentRange.Size);
}
}
if (count != range.Count)
{
Array.Resize(ref cpuRegionHandles, count);
}
return new GpuRegionHandle(cpuRegionHandles);