rework CompileShaders script

Scripts/CompileShaders.sh

@@ -1,20 +1,38 @@
 #!/bin/bash
 
 GENERATED_DATA_PATH="../openVulkanoCpp/GeneratedShaderData"
-rm $GENERATED_DATA_PATH/*.h
-rm $GENERATED_DATA_PATH/*.c
+SHADER_PATH="../openVulkanoCpp/Shader"
 
-for f in ../openVulkanoCpp/Shader/* ; do
-  if [[ "$f" == *.frag ]] || [[ "$f" == *.vert ]]
-  then
-    filename=$(basename -- "$f")
-    filename="${filename%.*}"
-    glslang -V $f -o $GENERATED_DATA_PATH/$filename.spv
-    bin2c -t -d $GENERATED_DATA_PATH/$filename.h -o $GENERATED_DATA_PATH/$filename.c $GENERATED_DATA_PATH/$filename.spv
-    sed -i 's/char \*entryName/const char *entryName/' $GENERATED_DATA_PATH/$filename.h
-    sed -i 's/const char \*data/const unsigned char *data/' $GENERATED_DATA_PATH/$filename.h
-    rm $GENERATED_DATA_PATH/$filename.spv
+check_return_code() {
+  # return code of last executed command  
+  retVal=$?
+  if [ $retVal -ne 0 ]; then
+    read -p "Press enter to continue"
+    exit 1
   fi
+}
+
+rm *.spv
+
+for f in $SHADER_PATH/*.vert ; do
+  filename=$(basename -- "$f")
+  filename_no_ext="${filename%.*}"
+  filename_no_ext_first_upper="${filename_no_ext^}"
+  
+  glslang -V $f -o $filename_no_ext.vert.spv
+  check_return_code
+  glslang -V $SHADER_PATH/$filename_no_ext.frag -o $filename_no_ext.frag.spv
+  check_return_code
+  rm $GENERATED_DATA_PATH/$filename_no_ext.h $GENERATED_DATA_PATH/$filename_no_ext.c
+  bin2c -t -d $GENERATED_DATA_PATH/$filename_no_ext.h -o $GENERATED_DATA_PATH/$filename_no_ext.c $filename_no_ext.vert.spv $filename_no_ext.frag.spv
+  check_return_code
+  sed -i 's/char \*entryName/const char *entryName/' $GENERATED_DATA_PATH/$filename_no_ext.h
+  sed -i 's/const char \*data/const unsigned char *data/' $GENERATED_DATA_PATH/$filename_no_ext.h
+  # avoid ODR violation
+  sed -i "s/fileTable/fileTable${filename_no_ext_first_upper}/" $GENERATED_DATA_PATH/$filename_no_ext.h $GENERATED_DATA_PATH/$filename_no_ext.c
+  sed -i "s/typedef struct {/#ifndef TFileTableEntry_H_INCLUDED\n#define TFileTableEntry_H_INCLUDED\ntypedef struct {/" $GENERATED_DATA_PATH/$filename_no_ext.h
+  sed -i "s/} TFileTableEntry;/} TFileTableEntry;\n#endif \/*TFileTableEntry_H_INCLUDED*\//" $GENERATED_DATA_PATH/$filename_no_ext.h
+  rm *.spv
 done
 
 read -p "Press enter to continue"