godot/thirdparty/spirv-reflect/patches/specialization-constants.patch

diff --git a/thirdparty/spirv-reflect/spirv_reflect.c b/thirdparty/spirv-reflect/spirv_reflect.c
index b4f6bc17c2..c96dd85439 100644
--- a/thirdparty/spirv-reflect/spirv_reflect.c
+++ b/thirdparty/spirv-reflect/spirv_reflect.c
@@ -1571,6 +1571,10 @@ static SpvReflectResult ParseDecorations(SpvReflectPrvParser* p_parser, SpvRefle
       } break;
 
       case SpvDecorationSpecId: {
+// -- GODOT begin --
+        uint32_t word_offset = p_node->word_offset + member_offset+ 3;
+        CHECKED_READU32(p_parser, word_offset, p_target_decorations->spec_id);
+// -- GODOT end --
         spec_constant_count++;
       } break;
 
@@ -1692,21 +1696,45 @@ static SpvReflectResult ParseDecorations(SpvReflectPrvParser* p_parser, SpvRefle
   }
   for (uint32_t i = 0; i < p_parser->node_count; ++i) {
     SpvReflectPrvNode* p_node = &(p_parser->nodes[i]);
-    if (p_node->op == SpvOpDecorate) {
-      uint32_t decoration = (uint32_t)INVALID_VALUE;
-      CHECKED_READU32(p_parser, p_node->word_offset + 2, decoration);
-      if (decoration == SpvDecorationSpecId) {
-        const uint32_t count = p_module->spec_constant_count;
-        CHECKED_READU32(p_parser, p_node->word_offset + 1, p_module->spec_constants[count].spirv_id);
-        CHECKED_READU32(p_parser, p_node->word_offset + 3, p_module->spec_constants[count].constant_id);
-        // If being used for a OpSpecConstantComposite (ex. LocalSizeId), there won't be a name
-        SpvReflectPrvNode* target_node = FindNode(p_parser, p_module->spec_constants[count].spirv_id);
-        if (IsNotNull(target_node)) {
-          p_module->spec_constants[count].name = target_node->name;
+// -- GODOT begin --
+    const uint32_t count = p_module->spec_constant_count;
+    switch(p_node->op) {
+      default: continue;
+      case SpvOpSpecConstantTrue: {
+        p_module->spec_constants[count].constant_type = SPV_REFLECT_SPECIALIZATION_CONSTANT_BOOL;
+        p_module->spec_constants[count].default_value.int_bool_value = 1;
+      } break;
+      case SpvOpSpecConstantFalse: {
+        p_module->spec_constants[count].constant_type = SPV_REFLECT_SPECIALIZATION_CONSTANT_BOOL;
+        p_module->spec_constants[count].default_value.int_bool_value = 0;
+      } break;
+      case SpvOpSpecConstant: {
+        SpvReflectResult result = SPV_REFLECT_RESULT_SUCCESS;
+        uint32_t element_type_id = (uint32_t)INVALID_VALUE;
+        uint32_t default_value = 0;
+        CHECKED_READU32(p_parser, p_node->word_offset + 1, element_type_id);
+        CHECKED_READU32(p_parser, p_node->word_offset + 3, default_value);
+
+        SpvReflectPrvNode* p_next_node = FindNode(p_parser, element_type_id);
+
+        if (p_next_node->op == SpvOpTypeInt) {
+          p_module->spec_constants[count].constant_type = SPV_REFLECT_SPECIALIZATION_CONSTANT_INT;
+        } else if (p_next_node->op == SpvOpTypeFloat) {
+          p_module->spec_constants[count].constant_type = SPV_REFLECT_SPECIALIZATION_CONSTANT_FLOAT;
+        } else {
+          return SPV_REFLECT_RESULT_ERROR_PARSE_FAILED;
         }
-        p_module->spec_constant_count++;
-      }
+
+        p_module->spec_constants[count].default_value.int_bool_value = default_value; //bits are the same for int and float
+      } break;
     }
+
+    p_module->spec_constants[count].name = p_node->name;
+    p_module->spec_constants[count].constant_id = p_node->decorations.spec_id;
+    p_module->spec_constants[count].spirv_id = p_node->result_id;
+
+    p_module->spec_constant_count++;
+// -- GODOT end --
   }
 
   return SPV_REFLECT_RESULT_SUCCESS;
diff --git a/thirdparty/spirv-reflect/spirv_reflect.h b/thirdparty/spirv-reflect/spirv_reflect.h
index 9a42f14eed..4ea0319c5e 100644
--- a/thirdparty/spirv-reflect/spirv_reflect.h
+++ b/thirdparty/spirv-reflect/spirv_reflect.h
@@ -568,6 +568,17 @@ typedef struct SpvReflectCapability {
 } SpvReflectCapability;
 
 
+// -- GODOT begin --
+/*! @enum SpvReflectSpecializationConstantType
+
+*/
+typedef enum SpvReflectSpecializationConstantType {
+  SPV_REFLECT_SPECIALIZATION_CONSTANT_BOOL = 0,
+  SPV_REFLECT_SPECIALIZATION_CONSTANT_INT = 1,
+  SPV_REFLECT_SPECIALIZATION_CONSTANT_FLOAT = 2,
+} SpvReflectSpecializationConstantType;
+// -- GODOT end --
+
 /*! @struct SpvReflectSpecId
 
 */
@@ -575,6 +586,13 @@ typedef struct SpvReflectSpecializationConstant {
   uint32_t spirv_id;
   uint32_t constant_id;
   const char* name;
+// -- GODOT begin --
+  SpvReflectSpecializationConstantType constant_type;
+  union {
+    float float_value;
+    uint32_t int_bool_value;
+  } default_value;
+// -- GODOT end --
 } SpvReflectSpecializationConstant;
 
 /*! @struct SpvReflectShaderModule