GPU: Pre-emptively flush textures that are flushed often (to imported memory when available) (#4711)

* WIP texture pre-flush

Improve performance of TextureView GetData to buffer

Fix copy/sync ordering

Fix minor bug

Make this actually work

WIP host mapping stuff

* Fix usage flags

* message

* Cleanup 1

* Fix rebase

* Fix

* Improve pre-flush rules

* Fix pre-flush

* A lot of cleanup

* Use the host memory bits

* Select the correct memory type

* Cleanup TextureGroupHandle

* Missing comment

* Remove debugging logs

* Revert BufferHandle _value access modifier

* One interrupt action at a time.

* Support D32S8 to D24S8 conversion, safeguards

* Interrupt cannot happen in sync handle's lock

Waitable needs to be checked twice now, but this should stop it from deadlocking.

* Remove unused using

* Address some feedback

* Address feedback

* Address more feedback

* Address more feedback

* Improve sync rules

Should allow for faster sync in some cases.

1 files changed, 8 insertions, 0 deletions

diff --git a/src/Ryujinx.Graphics.GAL/BufferAccess.cs b/src/Ryujinx.Graphics.GAL/BufferAccess.cs
new file mode 100644
index 00000000..3a2d6c9b
--- /dev/null
+++ b/src/Ryujinx.Graphics.GAL/BufferAccess.cs
@@ -0,0 +1,8 @@
+namespace Ryujinx.Graphics.GAL
+{
+    public enum BufferAccess
+    {
+        Default,
+        FlushPersistent
+    }
+}