Generalized Compile.command script for built-in Metal shaders.

sources/Renderer/Metal/Shader/Builtin/Compile.command

@@ -3,6 +3,22 @@
 LLGL_ROOT_DIR="$(dirname "$0")/../../../../../"
 HEX_CONVERSION_SCRIPT="$LLGL_ROOT_DIR/scripts/ReadFileAsHexString.py"
 
+cd $(dirname "$0")
+
+# Get shader sources
+SOURCES=(FillBufferByte4.metal)
+
+if [ "$#" -ne 0 ]; then
+    SOURCES=("$@")
+fi
+
+for SRC in ${SOURCES[@]}; do
+    if [ ! -f "$SRC" ]; then
+        echo fatal: cannot find source file: $SRC
+        exit 1
+    fi
+done
+
 # Check if xcrun tool is available
 which xcrun &> /dev/null
 if [ $? -ne 0 ]; then
@@ -13,10 +29,13 @@ fi
 # Compile shaders for macOS
 METAL_SDKS=(macosx iphoneos iphonesimulator)
 
-for SDK in ${METAL_SDKS[@]}; do
-    echo Compile Metal shaders for $SDK
-    xcrun -sdk $SDK metal -c FillBufferByte4.metal -o FillBufferByte4.${SDK}.air
-    xcrun -sdk $SDK metallib FillBufferByte4.${SDK}.air -o FillBufferByte4.${SDK}.metallib
+for SRC in ${SOURCES[@]}; do
+    for SDK in ${METAL_SDKS[@]}; do
+        FILE="${SRC%.*}.${SDK}"
+        echo compile Metal shader $FILE
+        xcrun -sdk $SDK metal -c ${SRC} -o ${FILE}.air
+        xcrun -sdk $SDK metallib ${FILE}.air -o ${FILE}.metallib
+    done
 done
 
 # Check if Python 3 is avilable
@@ -27,9 +46,12 @@ if [ $? -ne 0 ]; then
 fi
 
 # Convert shader byte code into C header files
-for SDK in ${METAL_SDKS[@]}; do
-    python3 "$HEX_CONVERSION_SCRIPT" FillBufferByte4.${SDK}.metallib -offsets cxx > FillBufferByte4.${SDK}.metallib.bin.inl
-    python3 "$HEX_CONVERSION_SCRIPT" FillBufferByte4.${SDK}.metallib -len -paren > FillBufferByte4.${SDK}.metallib.len.inl
+for SRC in ${SOURCES[@]}; do
+    for SDK in ${METAL_SDKS[@]}; do
+        FILE="${SRC%.*}.${SDK}"
+        python3 "$HEX_CONVERSION_SCRIPT" ${FILE}.metallib -offsets cxx > ${FILE}.metallib.bin.inl
+        python3 "$HEX_CONVERSION_SCRIPT" ${FILE}.metallib -len -paren > ${FILE}.metallib.len.inl
+    done
 done
 
-echo Done
+echo DONE