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Fix I2M texture copies when line length is not a multiple of 4 (#2938)

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* Fix I2M texture copies when line length is not a multiple of 4

* Do not copy padding bytes for 1D copies

* Nit
This commit is contained in:
gdkchan 2021-12-26 12:39:07 -03:00 committed by GitHub
parent 0b1185284c
commit 451673ada5
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 12 additions and 3 deletions
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15
Ryujinx.Graphics.Gpu/Engine/InlineToMemory/InlineToMemoryClass.cs
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@ -99,9 +99,9 @@ namespace Ryujinx.Graphics.Gpu.Engine.InlineToMemory
_isLinear = (argument & 1) != 0;
_offset = 0;
_size = (int)(state.LineLengthIn * state.LineCount);
_size = (int)(BitUtils.AlignUp(state.LineLengthIn, 4) * state.LineCount);
int count = BitUtils.DivRoundUp(_size, 4);
int count = _size / 4;
if (_buffer == null || _buffer.Length < count)
{
@ -171,7 +171,7 @@ namespace Ryujinx.Graphics.Gpu.Engine.InlineToMemory
if (_isLinear && _lineCount == 1)
{
memoryManager.WriteTrackedResource(_dstGpuVa, data);
memoryManager.WriteTrackedResource(_dstGpuVa, data.Slice(0, _lineLengthIn));
_context.AdvanceSequence();
}
else
@ -224,6 +224,15 @@ namespace Ryujinx.Graphics.Gpu.Engine.InlineToMemory
memoryManager.Write(dstAddress, data[srcOffset]);
}
// All lines must be aligned to 4 bytes, as the data is pushed one word at a time.
// If our copy length is not a multiple of 4, then we need to skip the padding bytes here.
int misalignment = _lineLengthIn & 3;
if (misalignment != 0)
{
srcOffset += 4 - misalignment;
}
}
_context.AdvanceSequence();