From cb331b1761dc24ef2bcc873b423524cd032f03e9 Mon Sep 17 00:00:00 2001
From: Georg Hagen <git.georg.hagen@madvoxel.com>
Date: Wed, 17 Jul 2024 00:04:51 +0200
Subject: [PATCH] Fix shader compile script on apple

---
 Scripts/CompileShaders.sh | 39 ++++++++++++++++++++++++---------------
 1 file changed, 24 insertions(+), 15 deletions(-)

diff --git a/Scripts/CompileShaders.sh b/Scripts/CompileShaders.sh
index bedd0c3..89a2b2b 100755
--- a/Scripts/CompileShaders.sh
+++ b/Scripts/CompileShaders.sh
@@ -1,5 +1,14 @@
 #!/bin/bash
 
+# Fixes apple bash not loading it's profile when run from xcode
+source ~/.bash_profile
+
+# Fixes apple bash not using the sed alias when run from cmake
+SED_CMD=sed
+if [[ "$(uname)" == "Darwin" ]]; then
+  SED_CMD=gsed
+fi
+
 SCRIPT_DIR=$( cd -- "$( dirname -- "${BASH_SOURCE[0]}" )" &> /dev/null && pwd )
 GENERATED_DATA_PATH="$(dirname "$SCRIPT_DIR")/openVulkanoCpp/GeneratedShaderData"
 SHADER_PATH="$(dirname "$SCRIPT_DIR")/openVulkanoCpp/Shader"
@@ -19,15 +28,15 @@ check_return_code() {
 }
 
 rm -f *.spv
-rm -f "$GENERATED_DATA_PATH"/*
-mkdir "$GENERATED_DATA_PATH"
+#rm -f "$GENERATED_DATA_PATH"/*
+mkdir -p "$GENERATED_DATA_PATH"
 touch "$GENERATED_DATA_PATH"/GeneratedShaderData.h
 touch "$GENERATED_DATA_PATH"/GeneratedShaderData.c
 
-echo "// Auto generated file" >> "$GENERATED_DATA_PATH"/GeneratedShaderData.h
+echo "// Auto generated file" > "$GENERATED_DATA_PATH"/GeneratedShaderData.h
 echo -e "#ifndef GeneratedShaderData_H_INCLUDED\n#define GeneratedShaderData_H_INCLUDED" >> "$GENERATED_DATA_PATH"/GeneratedShaderData.h
 #echo -e "extern \"C\" {" >> "$GENERATED_DATA_PATH"/GeneratedShaderData.h
-echo -e "#include \"GeneratedShaderData.h\"" >> "$GENERATED_DATA_PATH"/GeneratedShaderData.c
+echo -e "#include \"GeneratedShaderData.h\"" > "$GENERATED_DATA_PATH"/GeneratedShaderData.c
 
 # put data from all files with same name into single file
 unique_file_names=($(find $SHADER_PATH/ -type f ! -name '*.hpp' ! -name '*.cpp' | awk -F/ '{print $NF}' | awk -F. '{print $1}' | sort | uniq))
@@ -44,28 +53,28 @@ for unique_name in ${unique_file_names[@]} ; do
         glslangValidator -V $same_file -o $filename_with_ext_no_path.spv
         check_return_code
     done
-    
+
     bin2c -t -d "$GENERATED_DATA_PATH"/$unique_name.h -o "$GENERATED_DATA_PATH"/$unique_name.c *.spv
     check_return_code
     rm *.spv
-    
+
     echo -e "#include \"${unique_name}.h\"" >> "$GENERATED_DATA_PATH"/GeneratedShaderData.c
-    filename_no_ext_first_upper="${unique_name^}"
+    filename_no_ext_first_upper=$(echo $unique_name | awk '{print toupper(substr($0,1,1))substr($0,2)}')
     entriesCountDef+="&fileTable${filename_no_ext_first_upper}Size"
     entriesDef+="fileTable${filename_no_ext_first_upper}"
-    
+
     if [ $i -ne $((len-1)) ]; then
         entriesCountDef+=",\n\t\t"
         entriesDef+=",\n\t\t"
     fi
-    
-    sed -i "3s/.*/#include \"${unique_name}.h\"/" "$GENERATED_DATA_PATH"/$unique_name.c
-    sed -i 's/char \*entryName/const char *entryName/' "$GENERATED_DATA_PATH"/$unique_name.h
-    sed -i 's/const char \*data/const unsigned char *data/' "$GENERATED_DATA_PATH"/$unique_name.h
+
+    $SED_CMD -i "3s/.*/#include \"${unique_name}.h\"/" "$GENERATED_DATA_PATH/$unique_name.c"
+    $SED_CMD -i 's/char \*entryName/const char *entryName/' "$GENERATED_DATA_PATH/$unique_name.h"
+    $SED_CMD -i 's/const char \*data/const unsigned char *data/' "$GENERATED_DATA_PATH/$unique_name.h"
     # avoid ODR violation
-    sed -i "s/fileTable/fileTable${filename_no_ext_first_upper}/" "$GENERATED_DATA_PATH"/$unique_name.h $GENERATED_DATA_PATH/$unique_name.c
-    sed -i "s/typedef struct {/#ifndef TFileTableEntry_H_INCLUDED\n#define TFileTableEntry_H_INCLUDED\ntypedef struct {/" "$GENERATED_DATA_PATH"/$unique_name.h
-    sed -i "s/} TFileTableEntry;/} TFileTableEntry;\n#endif \/*TFileTableEntry_H_INCLUDED*\//" "$GENERATED_DATA_PATH"/$unique_name.h
+    $SED_CMD -i "s/fileTable/fileTable${filename_no_ext_first_upper}/" "$GENERATED_DATA_PATH"/$unique_name.h $GENERATED_DATA_PATH/$unique_name.c
+    $SED_CMD -i "s/typedef struct {/#ifndef TFileTableEntry_H_INCLUDED\n#define TFileTableEntry_H_INCLUDED\ntypedef struct {/" "$GENERATED_DATA_PATH/$unique_name.h"
+    $SED_CMD -i "s/} TFileTableEntry;/} TFileTableEntry;\n#endif \/*TFileTableEntry_H_INCLUDED*\//" "$GENERATED_DATA_PATH/$unique_name.h"
     ((i++))
 done