From e813fb426a18a70df09463b84a9fd3d01303665c Mon Sep 17 00:00:00 2001
From: "HuYingzhuo(hugo/hyzboy)" <hyzboy@outlook.com>
Date: Tue, 28 Jun 2022 21:00:59 +0800
Subject: [PATCH] supported preamble

---
 SPIRV-Cross  | 2 +-
 glsl2spv.cpp | 6 +++++-
 2 files changed, 6 insertions(+), 2 deletions(-)

diff --git a/SPIRV-Cross b/SPIRV-Cross
index 1964799..ac5524e 160000
--- a/SPIRV-Cross
+++ b/SPIRV-Cross
@@ -1 +1 @@
-Subproject commit 1964799fba06abcbad2ff684cba360f0067c34a2
+Subproject commit ac5524ef523e663e19493e77013873391e866340
diff --git a/glsl2spv.cpp b/glsl2spv.cpp
index af6b7b3..692eea5 100644
--- a/glsl2spv.cpp
+++ b/glsl2spv.cpp
@@ -227,6 +227,7 @@ extern "C"
         const char *        entrypoint;
         uint32_t            includes_count;
         const char **       includes;
+        const char *        preamble;
     };
 
     enum class VertexAttribBaseType
@@ -474,7 +475,7 @@ extern "C"
             ++sr;
         }
     }
-
+    
     SPVData *Shader2SPV(
         const uint32_t      shader_stage, 
         const char *        shader_source, 
@@ -508,6 +509,9 @@ extern "C"
             }           
         }
 
+        if(compile_info->preamble)
+        shader.setPreamble(compile_info->preamble);
+
         shaderStrings[0] = shader_source;
         shader.setStrings(shaderStrings, 1);