Type layouts for structured buffers with counters (#3269)

* More tests for append structured buffer

* Append and Consume structured buffer tests for DX12

* neaten

* test wobble

* Add counter layout information to append/consume structured buffers

* add getRWStructuredBufferType

* Correct definition of get size for append/consume structured buffers

* tweak append structured buffer test

* Allow initializing counter buffer in render test

* vulkan test for consume structured buffer

* Handle null counterVarLayout in getExplicitCounterBindingRangeOffset

* remove dead code

* Implement atomic counter increment/decrement for spirv

* explicit spirv test

* Add missing check on result

* Hold on to counter resources

---------

Co-authored-by: Yong He <yonghe@outlook.com>

1 files changed, 7 insertions, 0 deletions

diff --git a/tools/gfx-util/shader-cursor.h b/tools/gfx-util/shader-cursor.h
index 5dfc57f6d..3d35bb2ed 100644
--- a/tools/gfx-util/shader-cursor.h
+++ b/tools/gfx-util/shader-cursor.h
@@ -63,6 +63,13 @@ struct ShaderCursor
         return cursor;
     }
 
+    /// Some resources such as RWStructuredBuffer, AppendStructuredBuffer and
+    /// ConsumeStructuredBuffer need to have their counter explicitly bound on
+    /// APIs other than DirectX, this will return a valid ShaderCursor pointing
+    /// to that resource if that is the case.
+    /// Otherwise, this returns an invalid cursor.
+    ShaderCursor getExplicitCounter() const;
+
     ShaderCursor getElement(GfxIndex index) const;
 
     static Result followPath(const char* path, ShaderCursor& ioCursor);