[dxbc] Print shader signatures at debug loglevel

src/dxbc/dxbc_chunk_isgn.cpp

@@ -83,6 +83,20 @@ namespace dxvk {
     return result;
   }
 
+  void DxbcIsgn::printEntries() const {
+    for (auto entry = this->begin(); entry != this->end(); entry++) {
+          Logger::debug(str::format("SGN Entry:\n\t",
+            "semanticName: ",  entry->semanticName, "\n\t",
+            "semanticIndex: ", entry->semanticIndex, "\n\t",
+            "registerId: ",    entry->registerId, "\n\t",
+            "componentMask: ", entry->componentMask.maskString(), "\n\t",
+            "componentType: ", entry->componentType, "\n\t",
+            "systemValue: ",   entry->systemValue, "\n\t",
+            "streamId: ",      entry->streamId, "\n",
+            "\n"));
+    }
+  }
+
 
   bool DxbcIsgn::compareSemanticNames(
     const std::string& a, const std::string& b) const {

src/dxbc/dxbc_chunk_isgn.h

@@ -54,6 +54,8 @@ namespace dxvk {
     
     uint32_t maxRegisterCount() const;
 
+    void printEntries() const;
+    
   private:
     
     std::vector<DxbcSgnEntry> m_entries;

src/dxbc/dxbc_compiler.cpp

@@ -33,6 +33,21 @@ namespace dxvk {
       m_module.addDebugString(fileName.c_str()),
       nullptr);
 
+    if (Logger::logLevel() <= LogLevel::Debug) {
+      if (m_isgn != nullptr) {
+        Logger::debug(str::format("Input Signature for - ", fileName.c_str(), "\n"));
+        m_isgn->printEntries();
+      }
+      if (m_osgn != nullptr) {
+        Logger::debug(str::format("Output Signature for - ", fileName.c_str(), "\n"));
+        m_osgn->printEntries();
+      }
+      if (m_psgn != nullptr) {
+        Logger::debug(str::format("Patch Constant Signature for - ", fileName.c_str(), "\n"));
+        m_psgn->printEntries();
+      }
+    }
+    
     // Set the memory model. This is the same for all shaders.
     m_module.setMemoryModel(
       spv::AddressingModelLogical,