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authorgdkchan <gab.dark.100@gmail.com>2021-01-23 09:38:00 -0300
committerGitHub <noreply@github.com>2021-01-23 13:38:00 +0100
commitf565b0e5a6bebc09381aabb046e9b0b6285b7d10 (patch)
tree76a2a43837c61fe234677b9d91e7f4562680f7a1 /Ryujinx.Graphics.Gpu/Memory/MemoryManager.cs
parent6982282cc8ad362924bcb0c176ccb6e6d0339fa4 (diff)
Match texture if the physical range is the same (#1934)
* Match texture if the physical range is the same * XML docs and comments
Diffstat (limited to 'Ryujinx.Graphics.Gpu/Memory/MemoryManager.cs')
-rw-r--r--Ryujinx.Graphics.Gpu/Memory/MemoryManager.cs33
1 files changed, 33 insertions, 0 deletions
diff --git a/Ryujinx.Graphics.Gpu/Memory/MemoryManager.cs b/Ryujinx.Graphics.Gpu/Memory/MemoryManager.cs
index 7021cd20..5776836c 100644
--- a/Ryujinx.Graphics.Gpu/Memory/MemoryManager.cs
+++ b/Ryujinx.Graphics.Gpu/Memory/MemoryManager.cs
@@ -344,6 +344,39 @@ namespace Ryujinx.Graphics.Gpu.Memory
}
/// <summary>
+ /// Checks if a given GPU virtual memory range is mapped to the same physical regions
+ /// as the specified physical memory multi-range.
+ /// </summary>
+ /// <param name="range">Physical memory multi-range</param>
+ /// <param name="va">GPU virtual memory address</param>
+ /// <returns>True if the virtual memory region is mapped into the specified physical one, false otherwise</returns>
+ public bool CompareRange(MultiRange range, ulong va)
+ {
+ va &= ~PageMask;
+
+ for (int i = 0; i < range.Count; i++)
+ {
+ MemoryRange currentRange = range.GetSubRange(i);
+
+ ulong address = currentRange.Address & ~PageMask;
+ ulong endAddress = (currentRange.EndAddress + PageMask) & ~PageMask;
+
+ while (address < endAddress)
+ {
+ if (Translate(va) != address)
+ {
+ return false;
+ }
+
+ va += PageSize;
+ address += PageSize;
+ }
+ }
+
+ return true;
+ }
+
+ /// <summary>
/// Validates a GPU virtual address.
/// </summary>
/// <param name="va">Address to validate</param>