drashna/ryujinx
1
0
Fork 0
Code Activity Actions

Account for negative strides on DMA copy (#2623)

Browse source 
* Account for negative strides on DMA copy

* Should account for non-zero Y
This commit is contained in:
gdkchan 2021-09-11 17:54:18 -03:00 • committed by GitHub
parent 016fc64b3d
commit ac4ec1a015
No known key found for this signature in database
GPG key ID: 4AEE18F83AFDEB23
4 changed files with 27 additions and 11 deletions
Download patch file Download diff file Expand all files Collapse all files

25
Ryujinx.Graphics.Gpu/Engine/Dma/DmaClass.cs
View file

@ -76,6 +76,13 @@ namespace Ryujinx.Graphics.Gpu.Engine.Dma
{
if (linear)
{
// If the stride is negative, the texture has to be flipped, so
// the fast copy is not trivial, use the slow path.
if (stride <= 0)
{
return false;
}
int alignWidth = Constants.StrideAlignment / bpp;
return tex.RegionX == 0 &&
tex.RegionY == 0 &&
@ -155,8 +162,18 @@ namespace Ryujinx.Graphics.Gpu.Engine.Dma
(int srcBaseOffset, int srcSize) = srcCalculator.GetRectangleRange(src.RegionX, src.RegionY, xCount, yCount);
(int dstBaseOffset, int dstSize) = dstCalculator.GetRectangleRange(dst.RegionX, dst.RegionY, xCount, yCount);
ReadOnlySpan<byte> srcSpan = memoryManager.GetSpan(srcGpuVa + (uint)srcBaseOffset, srcSize, true);
Span<byte> dstSpan = memoryManager.GetSpan(dstGpuVa + (uint)dstBaseOffset, dstSize).ToArray();
if (srcLinear && srcStride < 0)
{
srcBaseOffset += srcStride * (yCount - 1);
}
if (dstLinear && dstStride < 0)
{
dstBaseOffset += dstStride * (yCount - 1);
}
ReadOnlySpan<byte> srcSpan = memoryManager.GetSpan(srcGpuVa + (ulong)srcBaseOffset, srcSize, true);
Span<byte> dstSpan = memoryManager.GetSpan(dstGpuVa + (ulong)dstBaseOffset, dstSize).ToArray();
bool completeSource = IsTextureCopyComplete(src, srcLinear, srcBpp, srcStride, xCount, yCount);
bool completeDest = IsTextureCopyComplete(dst, dstLinear, dstBpp, dstStride, xCount, yCount);
@ -214,7 +231,7 @@ namespace Ryujinx.Graphics.Gpu.Engine.Dma
{
srcSpan.CopyTo(dstSpan); // No layout conversion has to be performed, just copy the data entirely.
memoryManager.Write(dstGpuVa + (uint)dstBaseOffset, dstSpan);
memoryManager.Write(dstGpuVa + (ulong)dstBaseOffset, dstSpan);
return;
}
@ -255,7 +272,7 @@ namespace Ryujinx.Graphics.Gpu.Engine.Dma
_ => throw new NotSupportedException($"Unable to copy ${srcBpp} bpp pixel format.")
};
memoryManager.Write(dstGpuVa + (uint)dstBaseOffset, dstSpan);
memoryManager.Write(dstGpuVa + (ulong)dstBaseOffset, dstSpan);
}
else
{