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Account for negative strides on DMA copy (#2623)

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* Account for negative strides on DMA copy

* Should account for non-zero Y
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gdkchan 2021-09-11 17:54:18 -03:00 • committed by GitHub
parent 016fc64b3d
commit ac4ec1a015
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GPG key ID: 4AEE18F83AFDEB23
4 changed files with 27 additions and 11 deletions
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7
Ryujinx.Graphics.Texture/OffsetCalculator.cs
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@ -1,4 +1,5 @@
using Ryujinx.Common;
using System;
using System.Runtime.CompilerServices;
using static Ryujinx.Graphics.Texture.BlockLinearConstants;
@ -111,9 +112,9 @@ namespace Ryujinx.Graphics.Texture
{
if (_isLinear)
{
int start = y * _stride + x * _bytesPerPixel;
int end = (y + height - 1) * _stride + (x + width) * _bytesPerPixel;
return (start, end - start);
int start = y * Math.Abs(_stride) + x * _bytesPerPixel;
int end = (y + height - 1) * Math.Abs(_stride) + (x + width) * _bytesPerPixel;
return (y * _stride + x * _bytesPerPixel, end - start);
}
else
{