Fix transform feedback errors caused by host pause/resume and multiple uses (#1634)

* Fix transform feedback errors caused by host pause/resume

* Fix TFB being used as something else issue with copies

* This is supposed to be StreamCopy

1 files changed, 11 insertions, 0 deletions

diff --git a/Ryujinx.Graphics.OpenGL/Buffer.cs b/Ryujinx.Graphics.OpenGL/Buffer.cs
index e8fd9a6b..89216b83 100644
--- a/Ryujinx.Graphics.OpenGL/Buffer.cs
+++ b/Ryujinx.Graphics.OpenGL/Buffer.cs
@@ -6,6 +6,11 @@ namespace Ryujinx.Graphics.OpenGL
 {
     static class Buffer
     {
+        public static BufferHandle Create()
+        {
+            return Handle.FromInt32<BufferHandle>(GL.GenBuffer());
+        }
+
         public static BufferHandle Create(int size)
         {
             int handle = GL.GenBuffer();
@@ -40,6 +45,12 @@ namespace Ryujinx.Graphics.OpenGL
             return data;
         }
 
+        public static void Resize(BufferHandle handle, int size)
+        {
+            GL.BindBuffer(BufferTarget.CopyWriteBuffer, handle.ToInt32());
+            GL.BufferData(BufferTarget.CopyWriteBuffer, size, IntPtr.Zero, BufferUsageHint.StreamCopy);
+        }
+
         public static void SetData(BufferHandle buffer, int offset, ReadOnlySpan<byte> data)
         {
             GL.BindBuffer(BufferTarget.CopyWriteBuffer, buffer.ToInt32());