CPU uniform entry point params (#1041)

* * Made entry point parameters a separate entry point
* Made CPUMemoryBinding work with entry point parameters/initialize constant buffers
* Added isCPUOnly to bindings, because entry point parameters do not layout like constant buffer
* entry-point-uniform.slang works on CPU

* EntryPointParams -> UniformEntryPointParams
Updated CPU documentation.

* Update cpu-target.md to removed completed issues.

* Only allocate CPU buffers if the size is > 0.
Small update to cpu-target doc.

1 files changed, 7 insertions, 1 deletions

diff --git a/tools/render-test/cpu-memory-binding.h b/tools/render-test/cpu-memory-binding.h
index 9501c1d13..994dacacd 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);
+
 
     Location find(const char* name);
 
@@ -50,7 +52,7 @@ 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);
-    SlangResult init(slang::ShaderReflection* reflection);
+    SlangResult init(slang::ShaderReflection* reflection, int entryPointIndex);
     CPUMemoryBinding();
 
     Buffer _allocateBuffer(size_t size);
@@ -61,11 +63,15 @@ struct CPUMemoryBinding
     Slang::MemoryArena m_arena;    ///< Storage for buffers
 
     Buffer m_rootBuffer;
+    Buffer m_entryPointBuffer;
 
     slang::ShaderReflection* m_reflection;
     
     // All buffers
     Slang::List<Buffer> m_allBuffers;
+
+    slang::EntryPointReflection* m_entryPoint;
+    int m_entryPointIndex;
 };
 
 } // renderer_test