Support for unbounded array of arrays (#1078)

* WIP: Unsized arrays on CPU.

* unbounded-array-of-array working on CPU.

* Remove some left over comments.

1 files changed, 11 insertions, 0 deletions

diff --git a/tools/render-test/cpu-memory-binding.h b/tools/render-test/cpu-memory-binding.h
index 36bc15c6b..8ca8e0681 100644
--- a/tools/render-test/cpu-memory-binding.h
+++ b/tools/render-test/cpu-memory-binding.h
@@ -43,6 +43,8 @@ struct CPUMemoryBinding
     slang::VariableLayoutReflection* getParameterByName(const char* name);
     slang::VariableLayoutReflection* getEntryPointParameterByName(const char* name);
 
+        /// Finds which buffer starts at the ptr index
+    Slang::Index findBufferIndex(const void* ptr) const;
 
     Location find(const char* name);
 
@@ -50,6 +52,15 @@ struct CPUMemoryBinding
     SlangResult setNewBuffer(const Location& location, const void* initialData, size_t sizeInBytes, Buffer& outBuffer);
     SlangResult setObject(const Location& location, void* object);
     SlangResult setInplace(const Location& location, const void* data, size_t sizeInBytes);
+        /// Initialize memory with a 'sensible' value based on type. Pointer types become null.
+    SlangResult initValue(slang::TypeLayoutReflection* typeLayout, void* dst);
+    SlangResult initValue(const Location& location) { return initValue(location.getTypeLayout(), location.getPtr()); }
+
+        /// Set the size of a *non fixed size* array at location.
+        /// A non fixed size array is reflected as having a count of 0 elements.
+        /// Only returns a buffer in outBuffer if a new buffer is created. 
+    SlangResult setArrayCount(const Location& location, int count, Buffer& outBuffer);
+    
     SlangResult init(slang::ShaderReflection* reflection, int entryPointIndex);
     CPUMemoryBinding();