a few more tweaks for #3681

expose TIoMapper::setAutoPushConstantBlock()
add overload for MapToSpirvToolsEnv() that takes TIntermediate instead of SpvVersion.

glslang/Include/Types.h

@@ -307,21 +307,6 @@ typedef TVector<TTypeLoc> TTypeList;
 
 typedef TVector<TString*> TIdentifierList;
 
-//
-// Following are a series of helper enums for managing layouts and qualifiers,
-// used for TPublicType, TType, others.
-//
-
-enum TLayoutPacking {
-    ElpNone,
-    ElpShared,      // default, but different than saying nothing
-    ElpStd140,
-    ElpStd430,
-    ElpPacked,
-    ElpScalar,
-    ElpCount        // If expanding, see bitfield width below
-};
-
 enum TLayoutMatrix {
     ElmNone,
     ElmRowMajor,

glslang/MachineIndependent/iomapper.h

@@ -196,10 +196,11 @@ public:
     virtual ~TGlslIoMapper();
     // If set, the uniform block with the given name will be changed to be backed by
     // push_constant if it's size is <= maxSize
-    void setAutoPushConstantBlock(const char* name, unsigned int maxSize, TLayoutPacking packing) {
+    bool setAutoPushConstantBlock(const char* name, unsigned int maxSize, TLayoutPacking packing) override {
         autoPushConstantBlockName = name;
         autoPushConstantMaxSize = maxSize;
         autoPushConstantBlockPacking = packing;
+        return true;
     }
     // grow the reflection stage by stage
     bool addStage(EShLanguage, TIntermediate&, TInfoSink&, TIoMapResolver*) override;

glslang/Public/ShaderLang.h

@@ -173,6 +173,21 @@ typedef enum {
     LAST_ELEMENT_MARKER(EShTargetLanguageVersionCount = 7),
 } EShTargetLanguageVersion;
 
+//
+// Following are a series of helper enums for managing layouts and qualifiers,
+// used for TPublicType, TType, others.
+//
+
+enum TLayoutPacking {
+    ElpNone,
+    ElpShared, // default, but different than saying nothing
+    ElpStd140,
+    ElpStd430,
+    ElpPacked,
+    ElpScalar,
+    ElpCount // If expanding, see bitfield width below
+};
+
 struct TInputLanguage {
     EShSource languageFamily; // redundant information with other input, this one overrides when not EShSourceNone
     EShLanguage stage;        // redundant information with other input, this one overrides when not EShSourceNone
@@ -847,6 +862,7 @@ public:
     // grow the reflection stage by stage
     bool virtual addStage(EShLanguage, TIntermediate&, TInfoSink&, TIoMapResolver*);
     bool virtual doMap(TIoMapResolver*, TInfoSink&) { return true; }
+    bool virtual setAutoPushConstantBlock(const char*, unsigned int, TLayoutPacking) { return false; }
 };
 
 // Get the default GLSL IO mapper