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Fix base offset calculation for region copies.

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This commit is contained in:
riperiperi 2020-05-24 17:27:41 +01:00
parent db2fec25c7
commit 00d0525596
1 changed files with 6 additions and 3 deletions
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9
Ryujinx.Graphics.Gpu/Engine/MethodCopyBuffer.cs
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@ -76,6 +76,9 @@ namespace Ryujinx.Graphics.Gpu.Engine
{ {
fixed (byte* dstPtr = dstSpan, srcPtr = srcSpan) fixed (byte* dstPtr = dstSpan, srcPtr = srcSpan)
{ {
byte* dstBase = dstPtr - dstBaseOffset; // Layout offset is relative to the base, so we need to subtract the span's offset.
byte* srcBase = srcPtr - srcBaseOffset;
for (int y = 0; y < cbp.YCount; y++) for (int y = 0; y < cbp.YCount; y++)
{ {
srcCalculator.SetY(src.RegionY + y); srcCalculator.SetY(src.RegionY + y);
@ -83,10 +86,10 @@ namespace Ryujinx.Graphics.Gpu.Engine
for (int x = 0; x < cbp.XCount; x++) for (int x = 0; x < cbp.XCount; x++)
{ {
int srcOffset = srcBaseOffset + srcCalculator.GetOffset(src.RegionX + x); int srcOffset = srcCalculator.GetOffset(src.RegionX + x);
int dstOffset = dstBaseOffset + dstCalculator.GetOffset(dst.RegionX + x); int dstOffset = dstCalculator.GetOffset(dst.RegionX + x);
*(T*)(dstPtr + dstOffset) = *(T*)(srcPtr + srcOffset); *(T*)(dstBase + dstOffset) = *(T*)(srcBase + srcOffset);
} }
} }
} }