diff options
Diffstat (limited to 'src/Ryujinx.Graphics.Vulkan/BufferUsageBitmap.cs')
| -rw-r--r-- | src/Ryujinx.Graphics.Vulkan/BufferUsageBitmap.cs | 19 |
1 files changed, 12 insertions, 7 deletions
diff --git a/src/Ryujinx.Graphics.Vulkan/BufferUsageBitmap.cs b/src/Ryujinx.Graphics.Vulkan/BufferUsageBitmap.cs index a8ff7c28..19dcaccd 100644 --- a/src/Ryujinx.Graphics.Vulkan/BufferUsageBitmap.cs +++ b/src/Ryujinx.Graphics.Vulkan/BufferUsageBitmap.cs @@ -6,6 +6,7 @@ private readonly int _size; private readonly int _granularity; private readonly int _bits; + private readonly int _writeBitOffset; private readonly int _intsPerCb; private readonly int _bitsPerCb; @@ -14,7 +15,11 @@ { _size = size; _granularity = granularity; - _bits = (size + (granularity - 1)) / granularity; + + // There are two sets of bits - one for read tracking, and the other for write. + int bits = (size + (granularity - 1)) / granularity; + _writeBitOffset = bits; + _bits = bits << 1; _intsPerCb = (_bits + (BitMap.IntSize - 1)) / BitMap.IntSize; _bitsPerCb = _intsPerCb * BitMap.IntSize; @@ -22,7 +27,7 @@ _bitmap = new BitMap(_bitsPerCb * CommandBufferPool.MaxCommandBuffers); } - public void Add(int cbIndex, int offset, int size) + public void Add(int cbIndex, int offset, int size, bool write) { if (size == 0) { @@ -35,32 +40,32 @@ size = _size - offset; } - int cbBase = cbIndex * _bitsPerCb; + int cbBase = cbIndex * _bitsPerCb + (write ? _writeBitOffset : 0); int start = cbBase + offset / _granularity; int end = cbBase + (offset + size - 1) / _granularity; _bitmap.SetRange(start, end); } - public bool OverlapsWith(int cbIndex, int offset, int size) + public bool OverlapsWith(int cbIndex, int offset, int size, bool write = false) { if (size == 0) { return false; } - int cbBase = cbIndex * _bitsPerCb; + int cbBase = cbIndex * _bitsPerCb + (write ? _writeBitOffset : 0); int start = cbBase + offset / _granularity; int end = cbBase + (offset + size - 1) / _granularity; return _bitmap.IsSet(start, end); } - public bool OverlapsWith(int offset, int size) + public bool OverlapsWith(int offset, int size, bool write) { for (int i = 0; i < CommandBufferPool.MaxCommandBuffers; i++) { - if (OverlapsWith(i, offset, size)) + if (OverlapsWith(i, offset, size, write)) { return true; } |