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Compare shader code using a span instead of individual reads. (#917)

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* Compare shader code using a span instead of individual reads.

* Add comment for new parameter.

* Remove unnecessary Math.Min
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riperiperi 2020-02-03 19:11:22 +00:00 committed by GitHub
parent 796e5d14b4
commit a0e6647860
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GPG key ID: 4AEE18F83AFDEB23
3 changed files with 9 additions and 10 deletions
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2
Ryujinx.Graphics.Gpu/Memory/MemoryAccessor.cs
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@ -41,7 +41,7 @@ namespace Ryujinx.Graphics.Gpu.Memory
{
ulong processVa = _context.MemoryManager.Translate(gpuVa);
ulong size = Math.Min(_context.MemoryManager.GetSubSize(gpuVa), maxSize);
ulong size = _context.MemoryManager.GetSubSize(gpuVa, maxSize);
return _context.PhysicalMemory.GetSpan(processVa, size);
}

7
Ryujinx.Graphics.Gpu/Memory/MemoryManager.cs
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@ -237,14 +237,19 @@ namespace Ryujinx.Graphics.Gpu.Memory
/// Gets the number of mapped or reserved pages on a given region.
/// </summary>
/// <param name="gpuVa">Start GPU virtual address of the region</param>
/// <param name="maxSize">Maximum size of the data</param>
/// <returns>Mapped size in bytes of the specified region</returns>
internal ulong GetSubSize(ulong gpuVa)
internal ulong GetSubSize(ulong gpuVa, ulong maxSize)
{
ulong size = 0;
while (GetPte(gpuVa + size) != PteUnmapped)
{
size += PageSize;
if (size >= maxSize)
{
return maxSize;
}
}
return size;

10
Ryujinx.Graphics.Gpu/Shader/ShaderCache.cs
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@ -235,15 +235,9 @@ namespace Ryujinx.Graphics.Gpu.Shader
return false;
}
for (int index = 0; index < shader.Code.Length; index++)
{
if (_context.MemoryAccessor.ReadInt32(gpuVa + (ulong)index * 4) != shader.Code[index])
{
return true;
}
}
ReadOnlySpan<byte> memoryCode = _context.MemoryAccessor.GetSpan(gpuVa, (ulong)shader.Code.Length * 4);
return false;
return !MemoryMarshal.Cast<byte, int>(memoryCode).SequenceEqual(shader.Code);
}
/// <summary>