diff options
Diffstat (limited to 'src/Ryujinx.Graphics.OpenGL/Buffer.cs')
-rw-r--r-- | src/Ryujinx.Graphics.OpenGL/Buffer.cs | 20 |
1 files changed, 19 insertions, 1 deletions
diff --git a/src/Ryujinx.Graphics.OpenGL/Buffer.cs b/src/Ryujinx.Graphics.OpenGL/Buffer.cs index af7d191a..2a514310 100644 --- a/src/Ryujinx.Graphics.OpenGL/Buffer.cs +++ b/src/Ryujinx.Graphics.OpenGL/Buffer.cs @@ -42,6 +42,20 @@ namespace Ryujinx.Graphics.OpenGL return Handle.FromInt32<BufferHandle>(handle); } + public static BufferHandle CreatePersistent(int size) + { + int handle = GL.GenBuffer(); + + GL.BindBuffer(BufferTarget.CopyWriteBuffer, handle); + GL.BufferStorage(BufferTarget.CopyWriteBuffer, size, IntPtr.Zero, + BufferStorageFlags.MapPersistentBit | + BufferStorageFlags.MapCoherentBit | + BufferStorageFlags.ClientStorageBit | + BufferStorageFlags.MapReadBit); + + return Handle.FromInt32<BufferHandle>(handle); + } + public static void Copy(BufferHandle source, BufferHandle destination, int srcOffset, int dstOffset, int size) { GL.BindBuffer(BufferTarget.CopyReadBuffer, source.ToInt32()); @@ -60,7 +74,11 @@ namespace Ryujinx.Graphics.OpenGL // Data in the persistent buffer and host array is guaranteed to be available // until the next time the host thread requests data. - if (HwCapabilities.UsePersistentBufferForFlush) + if (renderer.PersistentBuffers.TryGet(buffer, out IntPtr ptr)) + { + return new PinnedSpan<byte>(IntPtr.Add(ptr, offset).ToPointer(), size); + } + else if (HwCapabilities.UsePersistentBufferForFlush) { return PinnedSpan<byte>.UnsafeFromSpan(renderer.PersistentBuffers.Default.GetBufferData(buffer, offset, size)); } |