mesh shaders in progress

#38
Try · Aug 21, 2022 · 532a8b2 · 532a8b2
1 parent 203ab2d
commit 532a8b2
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Showing 10 changed files with 872 additions and 567 deletions.
diff --git a/Engine/gapi/spirv/meshconverter.cpp b/Engine/gapi/spirv/meshconverter.cpp
diff --git a/Engine/gapi/spirv/meshconverter.h b/Engine/gapi/spirv/meshconverter.h
@@ -13,8 +13,7 @@ class MeshConverter {
     explicit MeshConverter(libspirv::MutableBytecode& code);
     libspirv::MutableBytecode& vertexPassthrough() { return vert; }
 
-    void exec();
-    void generateVs();
+    void     exec();
 
   private:
     void     avoidReservedFixup();
@@ -30,6 +29,13 @@ class MeshConverter {
 
     void     vsTypeRemaps(libspirv::MutableBytecode::Iterator& fn, std::unordered_map<uint32_t, uint32_t>& typeRemaps,
                           const libspirv::Bytecode::AccessChain* ids, uint32_t len);
+    uint32_t mappingTable(libspirv::MutableBytecode::Iterator& fn, uint32_t arrType, uint32_t eltType);
+    uint32_t declareGlPerVertex(libspirv::MutableBytecode::Iterator& fn);
+
+    void     generateVsDefault();
+    void     generateVsSplit();
+
+    void     annotateVertexBuiltins(libspirv::MutableBytecode& vert, uint32_t idVertexIndex, uint32_t glPerVertexT);
 
     libspirv::MutableBytecode& code;
     ShaderAnalyzer             an;