Add shaders profiling console command

Source/Engine/Engine/CommandLine.cpp

@@ -156,6 +156,7 @@ bool CommandLine::Parse(const Char* cmdLine)
     PARSE_ARG_SWITCH("-build ", Build);
     PARSE_BOOL_SWITCH("-skipcompile ", SkipCompile);
     PARSE_BOOL_SWITCH("-shaderdebug ", ShaderDebug);
+    PARSE_BOOL_SWITCH("-shaderprofile ", ShaderProfile);
     PARSE_ARG_OPT_SWITCH("-play ", Play);
 
 #endif

Source/Engine/Engine/CommandLine.h

@@ -169,6 +169,11 @@ public:
         /// </summary>
         Nullable<bool> ShaderDebug;
 
+        /// <summary>
+        /// -shaderprofile (enables debugging data generation for shaders but leaves shader compiler optimizations active for performance profiling)
+        /// </summary>
+        Nullable<bool> ShaderProfile;
+
         /// <summary>
         /// -play !guid! ( Scene to play, can be empty to use default )
         /// </summary>

Source/Engine/Graphics/Shaders/Cache/ShaderAssetBase.cpp

@@ -254,6 +254,10 @@ bool ShaderAssetBase::LoadShaderCache(ShaderCacheResult& result)
             options.GenerateDebugData = true;
             options.NoOptimize = true;
         }
+        else if (CommandLine::Options.ShaderProfile)
+        {
+            options.GenerateDebugData = true;
+        }
         auto& platformDefine = options.Macros.AddOne();
 #if PLATFORM_WINDOWS
         platformDefine.Name = "PLATFORM_WINDOWS";

Source/Engine/Graphics/Shaders/Cache/ShaderCacheManager.cpp

@@ -188,11 +188,13 @@ bool ShaderCacheManagerService::Init()
         int32 MaterialGraphVersion = -1;
         int32 ParticleGraphVersion = -1;
         bool ShaderDebug;
+        bool ShaderProfile;
     };
     CacheVersion cacheVersion;
     const String cacheVerFile = rootDir / TEXT("CacheVersion");
 #if USE_EDITOR
     const bool shaderDebug = CommandLine::Options.ShaderDebug;
+    const bool shaderProfile = CommandLine::Options.ShaderProfile;
 #else
     const bool shaderDebug = false;
 #endif
@@ -209,6 +211,7 @@ bool ShaderCacheManagerService::Init()
         || cacheVersion.MaterialGraphVersion != MATERIAL_GRAPH_VERSION
         || cacheVersion.ParticleGraphVersion != PARTICLE_GPU_GRAPH_VERSION
         || cacheVersion.ShaderDebug != shaderDebug
+        || cacheVersion.ShaderProfile != shaderProfile
     )
     {
         LOG(Warning, "Shaders cache database is invalid. Performing reset.");
@@ -227,6 +230,7 @@ bool ShaderCacheManagerService::Init()
         cacheVersion.MaterialGraphVersion = MATERIAL_GRAPH_VERSION;
         cacheVersion.ParticleGraphVersion = PARTICLE_GPU_GRAPH_VERSION;
         cacheVersion.ShaderDebug = shaderDebug;
+        cacheVersion.ShaderProfile = shaderProfile;
         if (File::WriteAllBytes(cacheVerFile, (byte*)&cacheVersion, sizeof(cacheVersion)))
         {
             LOG(Error, "Failed to create the shaders cache database version file.");