From 12e8a81ef6e8caa69def7d4b4745fa2248610210 Mon Sep 17 00:00:00 2001
From: Tim Allen <screwtape@froup.com>
Date: Tue, 4 Oct 2011 23:42:38 +1100
Subject: [PATCH] A tool to make a set of shaders for bsnes v082.

Actually, this set should work for any version of bsnes that supports
XML shaders. Very old versions don't actually require the target
(Direct3D or OpenGL) in the filename, but it doesn't hurt.
---
 .gitignore              |  1 +
 make-bsnes-v082-shaders | 49 +++++++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 50 insertions(+)
 create mode 100644 .gitignore
 create mode 100755 make-bsnes-v082-shaders

diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..e943308
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1 @@
+bsnes-v082-shaders/
diff --git a/make-bsnes-v082-shaders b/make-bsnes-v082-shaders
new file mode 100755
index 0000000..e479e38
--- /dev/null
+++ b/make-bsnes-v082-shaders
@@ -0,0 +1,49 @@
+#!/bin/sh
+set -e
+
+BASEDIR=$(dirname "$0")
+INPUT="$BASEDIR/shaders"
+OUTPUT="$BASEDIR/bsnes-v082-shaders"
+
+available_shaders() {
+	find "$INPUT" -type f -name '*.shader' |
+	while read -r SHADERFILE; do
+		# Grab the name of the shader
+		SHADERNAME=$(basename "$SHADERFILE" .shader)
+
+		# Grab the version of the shader
+		TEMP=$(dirname "$SHADERFILE")
+		SHADERVERSION=${TEMP##*/}
+
+		# Grab the target of the shader.
+		TEMP=${TEMP%/*}
+		SHADERTARGET=${TEMP##*/}
+
+		printf "%s\t%s\t%s\n" "$SHADERTARGET" "$SHADERVERSION" "$SHADERNAME"
+	done
+}
+
+filter_shaders() {
+	(
+		IFS=$(printf "\t")
+		while read -r TARGET VERSION NAME; do
+			# bsnes v082 only understands v1.0 shaders.
+			if [ "$VERSION" != "v1.0" ] ; then
+				continue
+			fi
+
+			printf "%s\t%s\t%s\n" "$TARGET" "$VERSION" "$NAME"
+		done
+	)
+}
+
+mkdir -p "$OUTPUT"
+
+available_shaders | filter_shaders | (
+	IFS=$(printf "\t")
+	while read -r TARGET VERSION NAME; do
+		cp "$INPUT/$TARGET/$VERSION/$NAME.shader" "$OUTPUT/$NAME.$TARGET.shader"
+	done
+)
+
+echo "bsnes v082 compatible shaders are now in $OUTPUT"
-- 
2.1.4