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, 4 insertions, 1 deletions

diff --git a/tools/render-test/shader-input-layout.h b/tools/render-test/shader-input-layout.h
index 0f11c4ad7..2a58bfd2c 100644
--- a/tools/render-test/shader-input-layout.h
+++ b/tools/render-test/shader-input-layout.h
@@ -59,6 +59,7 @@ public:
     InputBufferDesc bufferDesc;
     InputSamplerDesc samplerDesc;
     bool isOutput = false;
+    bool isCPUOnly = false;
     int hlslBinding = -1;
     Slang::List<int> glslBinding;
 
@@ -85,7 +86,9 @@ public:
 
     Slang::Index findEntryIndexByName(const Slang::String& name) const;
 
-    void parse(const char * source);
+    void updateForTarget(SlangCompileTarget target);
+
+    void parse(const char* source);
 };
 
 void generateTextureDataRGB8(TextureData& output, const InputTextureDesc& desc);