From 98ce506da58d0b206d80329c76574180954e5aa7 Mon Sep 17 00:00:00 2001
From: baldurk <baldurk@baldurk.org>
Date: Mon, 10 Feb 2025 18:23:43 +0000
Subject: [PATCH] Specialise std::hash for old gcc/clang

---
 renderdoc/driver/vulkan/vk_shaderdebug.cpp | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/renderdoc/driver/vulkan/vk_shaderdebug.cpp b/renderdoc/driver/vulkan/vk_shaderdebug.cpp
index 2acd74584..1274abc88 100644
--- a/renderdoc/driver/vulkan/vk_shaderdebug.cpp
+++ b/renderdoc/driver/vulkan/vk_shaderdebug.cpp
@@ -40,6 +40,16 @@ RDOC_CONFIG(rdcstr, Vulkan_Debug_PSDebugDumpDirPath, "",
 RDOC_CONFIG(bool, Vulkan_Debug_ShaderDebugLogging, false,
             "Output verbose debug logging messages when debugging shaders.");
 
+// needed for old linux compilers
+namespace std
+{
+template <>
+struct hash<ShaderBuiltin>
+{
+  std::size_t operator()(const ShaderBuiltin &e) const { return size_t(e); }
+};
+}
+
 // should match the descriptor set layout created in ShaderDebugData::Init()
 enum class ShaderDebugBind
 {