1 files changed, 30 insertions, 0 deletions
diff --git a/tests/RenderScriptTests/ImageProcessing/src/com/android/rs/image/greyscale.fs b/tests/RenderScriptTests/ImageProcessing/src/com/android/rs/image/greyscale.fs
new file mode 100644
index 0000000..90ba058
--- /dev/null
+++ b/tests/RenderScriptTests/ImageProcessing/src/com/android/rs/image/greyscale.fs
@@ -0,0 +1,30 @@
+/*
+ * Copyright (C) 2012 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#pragma version(1)
+#pragma rs java_package_name(com.android.rs.image)
+#pragma rs_fp_relaxed
+
+const static float3 gMonoMult = {0.299f, 0.587f, 0.114f};
+
+uchar4 __attribute__((kernel)) root(uchar4 v_in) {
+    float4 f4 = rsUnpackColor8888(v_in);
+
+    float3 mono = dot(f4.rgb, gMonoMult);
+    return rsPackColorTo8888(mono);
+}
+
+