Fix naming for DisableOptimizations vs DxcDisableOptimizations (#5016)

Signed-off-by: garrieta <garrieta@amazon.com>

Gems/Atom/Feature/Common/Assets/Shaders/ScreenSpace/DeferredFog.shader

@@ -23,8 +23,8 @@
     "DrawList" : "forward",
 
     "CompilerHints" : { 
-        "DxcDisableOptimizations" : false,
-        "DxcGenerateDebugInfo" : false
+        "DisableOptimizations" : false,
+        "GenerateDebugInfo" : false
     },
 
     "ProgramSettings":

Gems/Atom/RHI/Code/Include/Atom/RHI.Edit/ShaderCompilerArguments.h

@@ -57,12 +57,19 @@ namespace AZ
             AZStd::string m_azslcAdditionalFreeArguments;
             // note: if you add new sort of arguments here, don't forget to update HasDifferentAzslcArguments()
 
-            //! DXC
-            bool m_dxcDisableWarnings = false;
-            bool m_dxcWarningAsError = false;
-            bool m_dxcDisableOptimizations = false;
-            bool m_dxcGenerateDebugInfo = false;
-            uint8_t m_dxcOptimizationLevel = LevelUnset;
+            //! Remark: To the user, the following parameters are exposed without the
+            //! "Dxc" prefix because these are common options for the "main" compiler
+            //! for the given RHI. At the moment the only "main" compiler is Dxc, but in
+            //! the future AZSLc may transpile from AZSL to some other proprietary language
+            //! and in that case the "main" compiler won't be DXC
+            bool m_disableWarnings = false;
+            bool m_warningAsError = false;
+            bool m_disableOptimizations = false;
+            bool m_generateDebugInfo = false;
+            uint8_t m_optimizationLevel = LevelUnset;
+            //! "DxcAdditionalFreeArguments" keeps the "Dxc" prefix because these arguments
+            //! are specific to DXC, and it will be relevant only if DXC is the "main" compiler
+            //! for a given RHI, otherwise this parameter won't matter.
             AZStd::string m_dxcAdditionalFreeArguments;
 
             //! both

Gems/Atom/RHI/Code/Source/RHI.Edit/ShaderCompilerArguments.cpp

@@ -33,17 +33,17 @@ namespace AZ
                 RegisterEnumerators<MatrixOrder>(serializeContext);
 
                 serializeContext->Class<ShaderCompilerArguments>()
-                    ->Version(2)
+                    ->Version(3)
                     ->Field("AzslcWarningLevel", &ShaderCompilerArguments::m_azslcWarningLevel)
                     ->Field("AzslcWarningAsError", &ShaderCompilerArguments::m_azslcWarningAsError)
                     ->Field("AzslcAdditionalFreeArguments", &ShaderCompilerArguments::m_azslcAdditionalFreeArguments)
-                    ->Field("DxcDisableWarnings", &ShaderCompilerArguments::m_dxcDisableWarnings)
-                    ->Field("DxcWarningAsError", &ShaderCompilerArguments::m_dxcWarningAsError)
-                    ->Field("DxcDisableOptimizations", &ShaderCompilerArguments::m_dxcDisableOptimizations)
-                    ->Field("DxcGenerateDebugInfo", &ShaderCompilerArguments::m_dxcGenerateDebugInfo)
-                    ->Field("DxcOptimizationLevel", &ShaderCompilerArguments::m_dxcOptimizationLevel)
-                    ->Field("DxcAdditionalFreeArguments", &ShaderCompilerArguments::m_dxcAdditionalFreeArguments)
+                    ->Field("DisableWarnings", &ShaderCompilerArguments::m_disableWarnings)
+                    ->Field("WarningAsError", &ShaderCompilerArguments::m_warningAsError)
+                    ->Field("DisableOptimizations", &ShaderCompilerArguments::m_disableOptimizations)
+                    ->Field("GenerateDebugInfo", &ShaderCompilerArguments::m_generateDebugInfo)
+                    ->Field("OptimizationLevel", &ShaderCompilerArguments::m_optimizationLevel)
                     ->Field("DefaultMatrixOrder", &ShaderCompilerArguments::m_defaultMatrixOrder)
+                    ->Field("DxcAdditionalFreeArguments", &ShaderCompilerArguments::m_dxcAdditionalFreeArguments)
                     ;
             }
         }
@@ -62,13 +62,13 @@ namespace AZ
             }
             m_azslcWarningAsError = m_azslcWarningAsError || right.m_azslcWarningAsError;
             m_azslcAdditionalFreeArguments = CommandLineArgumentUtils::MergeCommandLineArguments(m_azslcAdditionalFreeArguments, right.m_azslcAdditionalFreeArguments);
-            m_dxcDisableWarnings = m_dxcDisableWarnings || right.m_dxcDisableWarnings;
-            m_dxcWarningAsError = m_dxcWarningAsError || right.m_dxcWarningAsError;
-            m_dxcDisableOptimizations = m_dxcDisableOptimizations || right.m_dxcDisableOptimizations;
-            m_dxcGenerateDebugInfo = m_dxcGenerateDebugInfo || right.m_dxcGenerateDebugInfo;
-            if (right.m_dxcOptimizationLevel != LevelUnset)
+            m_disableWarnings = m_disableWarnings || right.m_disableWarnings;
+            m_warningAsError = m_warningAsError || right.m_warningAsError;
+            m_disableOptimizations = m_disableOptimizations || right.m_disableOptimizations;
+            m_generateDebugInfo = m_generateDebugInfo || right.m_generateDebugInfo;
+            if (right.m_optimizationLevel != LevelUnset)
             {
-                m_dxcOptimizationLevel = right.m_dxcOptimizationLevel;
+                m_optimizationLevel = right.m_optimizationLevel;
             }
             m_dxcAdditionalFreeArguments = CommandLineArgumentUtils::MergeCommandLineArguments(m_dxcAdditionalFreeArguments, right.m_dxcAdditionalFreeArguments);
             if (right.m_defaultMatrixOrder != MatrixOrder::Default)
@@ -131,21 +131,21 @@ namespace AZ
         AZStd::string ShaderCompilerArguments::MakeAdditionalDxcCommandLineString() const
         {
             AZStd::string arguments;
-            if (m_dxcDisableWarnings)
+            if (m_disableWarnings)
             {
                 arguments += " -no-warnings";
             }
-            else if (m_dxcWarningAsError)
+            else if (m_warningAsError)
             {
                 arguments += " -WX";
             }
-            if (m_dxcDisableOptimizations)
+            if (m_disableOptimizations)
             {
                 arguments += " -Od";
             }
-            else if (m_dxcOptimizationLevel <= 3)
+            else if (m_optimizationLevel <= 3)
             {
-                arguments = " -O" + AZStd::to_string(m_dxcOptimizationLevel);
+                arguments = " -O" + AZStd::to_string(m_optimizationLevel);
             }
             if (m_defaultMatrixOrder == MatrixOrder::Column)
             {

Gems/Atom/RHI/DX12/Code/Source/RHI.Builders/ShaderPlatformInterface.cpp

@@ -114,7 +114,7 @@ namespace AZ
                     }
                 }
 
-                if (shaderCompilerArguments.m_dxcDisableOptimizations)
+                if (shaderCompilerArguments.m_disableOptimizations)
                 {
                     // When optimizations are disabled (-Od), all resources declared in the source file are available to all stages
                     // (when enabled only the resources which are referenced in a stage are bound to the stage)
@@ -195,7 +195,7 @@ namespace AZ
 
         bool ShaderPlatformInterface::BuildHasDebugInfo(const RHI::ShaderCompilerArguments& shaderCompilerArguments) const
         {
-            return shaderCompilerArguments.m_dxcGenerateDebugInfo;
+            return shaderCompilerArguments.m_generateDebugInfo;
         }
 
         const char* ShaderPlatformInterface::GetAzslHeader(const AssetBuilderSDK::PlatformInfo& platform) const

Gems/Atom/RHI/Metal/Code/Source/RHI.Builders/ShaderPlatformInterface.cpp

@@ -167,7 +167,7 @@ namespace AZ
 
         bool ShaderPlatformInterface::BuildHasDebugInfo(const RHI::ShaderCompilerArguments& shaderCompilerArguments) const
         {
-            return shaderCompilerArguments.m_dxcGenerateDebugInfo;
+            return shaderCompilerArguments.m_generateDebugInfo;
         }
 
         const char* ShaderPlatformInterface::GetAzslHeader(const AssetBuilderSDK::PlatformInfo& platform) const

Gems/Atom/RHI/Vulkan/Code/Source/RHI.Builders/ShaderPlatformInterface.cpp

@@ -109,7 +109,7 @@ namespace AZ
 
         bool ShaderPlatformInterface::BuildHasDebugInfo(const RHI::ShaderCompilerArguments& shaderCompilerArguments) const
         {
-            return shaderCompilerArguments.m_dxcGenerateDebugInfo;
+            return shaderCompilerArguments.m_generateDebugInfo;
         }
 
         const char* ShaderPlatformInterface::GetAzslHeader(const AssetBuilderSDK::PlatformInfo& platform) const

Gems/Atom/TestData/TestData/Materials/Types/AutoBrick_ForwardPass.shader

@@ -24,7 +24,7 @@
     },
 
     "CompilerHints" : { 
-        "DxcDisableOptimizations" : false
+        "DisableOptimizations" : false
     },
 
     "ProgramSettings":

Gems/Atom/TestData/TestData/Materials/Types/MinimalPBR_ForwardPass.shader

@@ -24,7 +24,7 @@
     },
 
     "CompilerHints" : { 
-        "DxcDisableOptimizations" : false
+        "DisableOptimizations" : false
     },
 
     "ProgramSettings":