drashna/ryujinx
1
0
Fork 0
Code Activity Actions

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

Browse source 
* 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
No known key found for this signature in database
GPG key ID: 4AEE18F83AFDEB23
6 changed files with 170 additions and 68 deletions
Download patch file Download diff file Expand all files Collapse all files

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;
}
}
}