Add new RenderScript sample: ImageProcessing.

Change-Id: I5e482bbc34911c940a3a74258f8f8549b1939bc4

3 files changed, 82 insertions, 0 deletions

diff --git a/libs/rs/java/ImageProcessing/res/drawable-hdpi/data.jpg b/libs/rs/java/ImageProcessing/res/drawable-hdpi/data.jpg
new file mode 100644
index 0000000..81a87b1
--- /dev/null
+++ b/libs/rs/java/ImageProcessing/res/drawable-hdpi/data.jpg
diff --git a/libs/rs/java/ImageProcessing/res/layout/main.xml b/libs/rs/java/ImageProcessing/res/layout/main.xml
new file mode 100644
index 0000000..0872cf2a
--- /dev/null
+++ b/libs/rs/java/ImageProcessing/res/layout/main.xml
@@ -0,0 +1,38 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- Copyright (C) 2009 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.
+-->
+
+<merge xmlns:android="http://schemas.android.com/apk/res/android">
+
+    <SurfaceView
+        android:id="@+id/surface"
+        android:layout_width="1dip"
+        android:layout_height="1dip" />
+
+    <ImageView
+        android:id="@+id/display"
+        android:layout_width="320dip"
+        android:layout_height="266dip" />
+    
+    <SeekBar
+        android:id="@+id/threshold"
+        android:layout_marginBottom="10dip"
+        android:layout_marginLeft="10dip"
+        android:layout_marginRight="10dip"
+        android:layout_width="fill_parent"
+        android:layout_height="wrap_content"
+        android:layout_gravity="bottom" />
+
+</merge>
\ No newline at end of file
diff --git a/libs/rs/java/ImageProcessing/res/raw/threshold.rs b/libs/rs/java/ImageProcessing/res/raw/threshold.rs
new file mode 100644
index 0000000..dec5587
--- /dev/null
+++ b/libs/rs/java/ImageProcessing/res/raw/threshold.rs
@@ -0,0 +1,44 @@
+struct color_s {
+    char b;
+    char g;
+    char r;
+    char a;
+};
+
+void filter(struct color_s *in, struct color_s *out, struct vec3_s *luminanceVector) {
+    struct vec3_s pixel;
+    pixel.x = (in->r & 0xFF) / 255.0f;
+    pixel.y = (in->g & 0xFF) / 255.0f;
+    pixel.z = (in->b & 0xFF) / 255.0f;
+
+    float luminance = vec3Dot(luminanceVector, &pixel);
+    luminance = maxf(0.0f, luminance - Params->threshold);
+    vec3Scale(&pixel, signf(luminance));
+
+    out->a = in->a;
+    out->r = pixel.x * 255.0f;
+    out->g = pixel.y * 255.0f;
+    out->b = pixel.z * 255.0f;
+}
+
+void main() {
+    struct color_s *in = (struct color_s *) InPixel;
+    struct color_s *out = (struct color_s *) OutPixel;
+    
+    struct vec3_s luminanceVector;
+    luminanceVector.x = 0.2125f;
+    luminanceVector.y = 0.7154f;
+    luminanceVector.z = 0.0721f;
+
+    int count = Params->inWidth * Params->inHeight;
+    int i;
+
+    for (i = 0; i < count; i++) {
+        filter(in, out, &luminanceVector);
+
+        in++;
+        out++;
+    }
+
+    sendToClient(&count, 1, 4, 0);
+}