Adding Galaxy4 wallpaper.
Change-Id: I259cd675f1e28d38be042c35ca1827da2707bac0
diff --git a/Android.mk b/Android.mk
new file mode 100644
index 0000000..fa753f9
--- /dev/null
+++ b/Android.mk
@@ -0,0 +1,29 @@
+#
+# Copyright (C) 2010 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.
+#
+
+LOCAL_PATH := $(call my-dir)
+include $(CLEAR_VARS)
+
+LOCAL_MODULE_TAGS := optional
+
+LOCAL_SRC_FILES := $(call all-subdir-java-files) $(call all-renderscript-files-under, src)
+
+LOCAL_PACKAGE_NAME := Galaxy4
+LOCAL_CERTIFICATE := shared
+
+LOCAL_PROGUARD_FLAG_FILES := proguard.cfg
+
+include $(BUILD_PACKAGE)
diff --git a/AndroidManifest.xml b/AndroidManifest.xml
new file mode 100644
index 0000000..464bf28
--- /dev/null
+++ b/AndroidManifest.xml
@@ -0,0 +1,30 @@
+<?xml version="1.0" encoding="utf-8"?>
+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+ package="com.android.galaxy4"
+ android:versionCode="1"
+ android:versionName="1.0">
+ <uses-sdk android:minSdkVersion="13" />
+
+ <uses-feature android:name="android.software.live_wallpaper" />
+
+ <application android:icon="@drawable/icon" android:label="@string/wallpaper_label">
+ <activity android:name=".Galaxy4"
+ android:theme="@android:style/Theme.NoTitleBar"
+ android:label="@string/wallpaper_label"
+ android:launchMode="singleInstance">
+ <intent-filter>
+ <action android:name="android.intent.action.MAIN" />
+ <category android:name="android.intent.category.LAUNCHER" />
+ </intent-filter>
+ </activity>
+ <service
+ android:name=".Galaxy4Wallpaper"
+ android:label="@string/wallpaper_label"
+ android:permission="android.permission.BIND_WALLPAPER">
+ <intent-filter>
+ <action android:name="android.service.wallpaper.WallpaperService" />
+ </intent-filter>
+ <meta-data android:name="android.service.wallpaper" android:resource="@xml/wallpaper" />
+ </service>
+ </application>
+</manifest>
\ No newline at end of file
diff --git a/default.properties b/default.properties
new file mode 100644
index 0000000..ac9e1a0
--- /dev/null
+++ b/default.properties
@@ -0,0 +1,11 @@
+# This file is automatically generated by Android Tools.
+# Do not modify this file -- YOUR CHANGES WILL BE ERASED!
+#
+# This file must be checked in Version Control Systems.
+#
+# To customize properties used by the Ant build system use,
+# "build.properties", and override values to adapt the script to your
+# project structure.
+
+# Project target.
+target=android-13
diff --git a/proguard.cfg b/proguard.cfg
new file mode 100644
index 0000000..b1cdf17
--- /dev/null
+++ b/proguard.cfg
@@ -0,0 +1,40 @@
+-optimizationpasses 5
+-dontusemixedcaseclassnames
+-dontskipnonpubliclibraryclasses
+-dontpreverify
+-verbose
+-optimizations !code/simplification/arithmetic,!field/*,!class/merging/*
+
+-keep public class * extends android.app.Activity
+-keep public class * extends android.app.Application
+-keep public class * extends android.app.Service
+-keep public class * extends android.content.BroadcastReceiver
+-keep public class * extends android.content.ContentProvider
+-keep public class * extends android.app.backup.BackupAgentHelper
+-keep public class * extends android.preference.Preference
+-keep public class com.android.vending.licensing.ILicensingService
+
+-keepclasseswithmembernames class * {
+ native <methods>;
+}
+
+-keepclasseswithmembers class * {
+ public <init>(android.content.Context, android.util.AttributeSet);
+}
+
+-keepclasseswithmembers class * {
+ public <init>(android.content.Context, android.util.AttributeSet, int);
+}
+
+-keepclassmembers class * extends android.app.Activity {
+ public void *(android.view.View);
+}
+
+-keepclassmembers enum * {
+ public static **[] values();
+ public static ** valueOf(java.lang.String);
+}
+
+-keep class * implements android.os.Parcelable {
+ public static final android.os.Parcelable$Creator *;
+}
diff --git a/res/drawable-nodpi/bg.png b/res/drawable-nodpi/bg.png
new file mode 100644
index 0000000..0102d9f
--- /dev/null
+++ b/res/drawable-nodpi/bg.png
Binary files differ
diff --git a/res/drawable-nodpi/bgstar.png b/res/drawable-nodpi/bgstar.png
new file mode 100644
index 0000000..5ab0136
--- /dev/null
+++ b/res/drawable-nodpi/bgstar.png
Binary files differ
diff --git a/res/drawable-nodpi/cloud.png b/res/drawable-nodpi/cloud.png
new file mode 100644
index 0000000..17b9fd4
--- /dev/null
+++ b/res/drawable-nodpi/cloud.png
Binary files differ
diff --git a/res/drawable-nodpi/fgstar.png b/res/drawable-nodpi/fgstar.png
new file mode 100644
index 0000000..100250f
--- /dev/null
+++ b/res/drawable-nodpi/fgstar.png
Binary files differ
diff --git a/res/drawable-nodpi/icon.png b/res/drawable-nodpi/icon.png
new file mode 100644
index 0000000..8074c4c
--- /dev/null
+++ b/res/drawable-nodpi/icon.png
Binary files differ
diff --git a/res/drawable-nodpi/wallpaper_thumb.png b/res/drawable-nodpi/wallpaper_thumb.png
new file mode 100644
index 0000000..41a355c
--- /dev/null
+++ b/res/drawable-nodpi/wallpaper_thumb.png
Binary files differ
diff --git a/res/layout/main.xml b/res/layout/main.xml
new file mode 100644
index 0000000..8eab2f8
--- /dev/null
+++ b/res/layout/main.xml
@@ -0,0 +1,12 @@
+<?xml version="1.0" encoding="utf-8"?>
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+ android:orientation="vertical"
+ android:layout_width="fill_parent"
+ android:layout_height="fill_parent"
+ >
+<TextView
+ android:layout_width="fill_parent"
+ android:layout_height="wrap_content"
+ android:text="@string/wallpaper_label"
+ />
+</LinearLayout>
diff --git a/res/raw/bgstar_fs.glsl b/res/raw/bgstar_fs.glsl
new file mode 100644
index 0000000..54edf85
--- /dev/null
+++ b/res/raw/bgstar_fs.glsl
@@ -0,0 +1,5 @@
+varying vec4 varColor;
+
+void main() {
+ gl_FragColor = varColor;
+}
\ No newline at end of file
diff --git a/res/raw/bgstar_vs.glsl b/res/raw/bgstar_vs.glsl
new file mode 100644
index 0000000..ac35d9f
--- /dev/null
+++ b/res/raw/bgstar_vs.glsl
@@ -0,0 +1,24 @@
+varying vec4 varColor;
+
+void main() {
+ float dist = ATTRIB_position.y;
+ float angle = ATTRIB_position.x;
+
+ float x = dist * sin(angle);
+ float y = dist * cos(angle) * 0.8;
+ float p = dist * 7.5;
+ float s = cos(p);
+ float t = sin(p);
+ vec4 pos;
+ pos.x = t*x + s*y;
+ pos.y = s*x - t*y;
+ pos.z = ATTRIB_position.z;
+ pos.w = 1.0;
+
+ pos.y = pos.y * 0.5;
+ gl_Position = UNI_MVP * pos;
+ varColor = vec4(1.0, 1.0, 1.0, 0.5);
+ float pointSize = 1.0;
+
+ gl_PointSize = pointSize;
+}
\ No newline at end of file
diff --git a/res/raw/spacecloud_fs.glsl b/res/raw/spacecloud_fs.glsl
new file mode 100644
index 0000000..75adcd2
--- /dev/null
+++ b/res/raw/spacecloud_fs.glsl
@@ -0,0 +1,12 @@
+varying vec4 varColor;
+
+void main() {
+ lowp vec4 texColor;
+ texColor = texture2D(UNI_Tex0, gl_PointCoord);
+
+ // texColor = texture2D(UNI_Tex1, gl_PointCoord);
+
+ gl_FragColor.rgb = texColor.rgb;
+ gl_FragColor.a = 0.1;
+ // gl_FragColor = varColor;
+}
\ No newline at end of file
diff --git a/res/raw/spacecloud_vs.glsl b/res/raw/spacecloud_vs.glsl
new file mode 100644
index 0000000..0056328
--- /dev/null
+++ b/res/raw/spacecloud_vs.glsl
@@ -0,0 +1,26 @@
+varying vec4 varColor;
+varying float pointSize;
+
+void main() {
+ float dist = ATTRIB_position.y / 4.0;
+ float angle = ATTRIB_position.x;
+
+ float x = dist * sin(angle) * 0.8;
+ float y = dist * cos(angle) * 0.8;
+ float p = dist * 7.5;
+ float s = cos(p);
+ float t = sin(p);
+ vec4 pos;
+ pos.x = t*x + s*y;
+ pos.y = s*x - t*y;
+ pos.z = ATTRIB_position.z;
+ pos.w = 1.0;
+ pos.y = pos.y * 0.5;
+ gl_Position = UNI_MVP * pos;
+ varColor = vec4(1.0, 1.0, 1.0, 1.0);
+ pointSize = 170.0-(pos.y*pos.y*1.2*1.2 + pos.x*pos.x)*400.0;
+ if(pointSize<=30.0){
+ pointSize = 30.0;
+ }
+ gl_PointSize = pointSize;// - snoise(pos.xy)*5.0;
+}
\ No newline at end of file
diff --git a/res/values/strings.xml b/res/values/strings.xml
new file mode 100644
index 0000000..2dd521b
--- /dev/null
+++ b/res/values/strings.xml
@@ -0,0 +1,21 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- Copyright (C) 2010 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.
+-->
+
+<resources>
+ <string name="wallpaper_label">Black Hole</string>
+ <string name="wallpaper_author">Google</string>
+ <string name="wallpaper_description">DESC</string>
+</resources>
diff --git a/res/xml/wallpaper.xml b/res/xml/wallpaper.xml
new file mode 100644
index 0000000..71a9574
--- /dev/null
+++ b/res/xml/wallpaper.xml
@@ -0,0 +1,23 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+/**
+ * Copyright (c) 2010, 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.
+ */
+-->
+
+<wallpaper xmlns:android="http://schemas.android.com/apk/res/android"
+ android:author="@string/wallpaper_author"
+ android:description="@string/wallpaper_description"
+ android:thumbnail="@drawable/wallpaper_thumb" />
diff --git a/src/com/android/galaxy4/Galaxy4.java b/src/com/android/galaxy4/Galaxy4.java
new file mode 100644
index 0000000..6985de3
--- /dev/null
+++ b/src/com/android/galaxy4/Galaxy4.java
@@ -0,0 +1,16 @@
+package com.android.galaxy4;
+
+import android.app.Activity;
+import android.os.Bundle;
+
+public class Galaxy4 extends Activity {
+
+ private GalaxyView mView;
+
+ @Override
+ public void onCreate(Bundle savedInstanceState) {
+ super.onCreate(savedInstanceState);
+ mView = new GalaxyView(this);
+ setContentView(mView);
+ }
+}
\ No newline at end of file
diff --git a/src/com/android/galaxy4/Galaxy4Wallpaper.java b/src/com/android/galaxy4/Galaxy4Wallpaper.java
new file mode 100644
index 0000000..1192e1c
--- /dev/null
+++ b/src/com/android/galaxy4/Galaxy4Wallpaper.java
@@ -0,0 +1,126 @@
+/*
+ * Copyright (C) 2010 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.
+ */
+
+package com.android.galaxy4;
+
+import android.graphics.PixelFormat;
+import android.os.Bundle;
+import android.os.Handler;
+import android.os.Message;
+import android.renderscript.RenderScript;
+import android.renderscript.RenderScriptGL;
+import android.service.wallpaper.WallpaperService;
+import android.view.Surface;
+import android.view.SurfaceHolder;
+
+public class Galaxy4Wallpaper extends WallpaperService {
+
+ @Override
+ public Engine onCreateEngine() {
+ return new RenderScriptEngine();
+ }
+
+ private class RenderScriptEngine extends Engine {
+ private RenderScriptGL mRenderScript = null;
+ private GalaxyRS mWallpaperRS = null;
+
+ @Override
+ public void onCreate(SurfaceHolder surfaceHolder) {
+ super.onCreate(surfaceHolder);
+ setTouchEventsEnabled(true);
+ surfaceHolder.setSizeFromLayout();
+ surfaceHolder.setFormat(PixelFormat.RGBA_8888);
+ }
+
+ @Override
+ public void onDestroy() {
+ super.onDestroy();
+ destroyRenderer();
+ }
+
+ public void destroyRenderer() {
+ if (mWallpaperRS != null) {
+ mWallpaperRS.stop();
+ mWallpaperRS = null;
+ }
+
+ if (mRenderScript != null) {
+ mRenderScript.setSurface(null, 0, 0);
+ mRenderScript.destroy();
+ mRenderScript = null;
+ }
+ }
+
+ @Override
+ public void onSurfaceCreated(SurfaceHolder surfaceHolder) {
+ super.onSurfaceCreated(surfaceHolder);
+
+ RenderScriptGL.SurfaceConfig sc = new RenderScriptGL.SurfaceConfig();
+ mRenderScript = new RenderScriptGL(Galaxy4Wallpaper.this, sc);
+ mRenderScript.setPriority(RenderScript.Priority.LOW);
+ }
+
+ @Override
+ public void onSurfaceDestroyed(SurfaceHolder surfaceHolder) {
+ super.onSurfaceDestroyed(surfaceHolder);
+ destroyRenderer();
+ }
+
+ @Override
+ public void onSurfaceChanged(SurfaceHolder surfaceHolder, int format, int width, int height) {
+ super.onSurfaceChanged(surfaceHolder, format, width, height);
+
+ if (mRenderScript != null) {
+ mRenderScript.setSurface(surfaceHolder, width, height);
+ }
+
+ if (mWallpaperRS == null) {
+ mWallpaperRS = new GalaxyRS();
+ mWallpaperRS.init(mRenderScript, getResources(), width, height);
+ mWallpaperRS.start();
+ }
+
+ // mWallpaperRS.resize(width, height);
+ }
+
+ @Override
+ public Bundle onCommand(String action, int x, int y, int z, Bundle extras,
+ boolean resultRequested) {
+ if (mWallpaperRS != null) {
+ // return mWallpaperRS.onCommand(action, x, y, z, extras, resultRequested);
+ }
+ return null;
+ }
+
+ @Override
+ public void onVisibilityChanged(boolean visible) {
+ super.onVisibilityChanged(visible);
+ if (mWallpaperRS != null) {
+ if (visible) {
+ mWallpaperRS.start();
+ } else {
+ mWallpaperRS.stop();
+ }
+ }
+ }
+
+ @Override
+ public void onOffsetsChanged(float xOffset, float yOffset, float xOffsetStep,
+ float yOffsetStep, int xPixelOffset, int yPixelOffset) {
+ // mWallpaperRS.setOffset(xOffset, yOffset, xPixelOffset, yPixelOffset);
+ }
+ }
+}
diff --git a/src/com/android/galaxy4/GalaxyRS.java b/src/com/android/galaxy4/GalaxyRS.java
new file mode 100644
index 0000000..c568296
--- /dev/null
+++ b/src/com/android/galaxy4/GalaxyRS.java
@@ -0,0 +1,277 @@
+package com.android.galaxy4;
+
+import android.content.res.Resources;
+import android.graphics.Bitmap;
+import android.graphics.BitmapFactory;
+import android.renderscript.Allocation;
+import android.renderscript.Matrix4f;
+import android.renderscript.Mesh;
+import android.renderscript.ProgramFragment;
+import android.renderscript.ProgramFragmentFixedFunction;
+import android.renderscript.ProgramRaster;
+import android.renderscript.ProgramStore;
+import android.renderscript.Sampler;
+import android.renderscript.ProgramStore.BlendDstFunc;
+import android.renderscript.ProgramStore.BlendSrcFunc;
+import android.renderscript.ProgramVertex;
+import android.renderscript.ProgramVertexFixedFunction;
+import android.renderscript.RenderScriptGL;
+import android.renderscript.ProgramVertexFixedFunction.Builder;
+import android.util.Log;
+import android.renderscript.Program;
+import static android.renderscript.Sampler.Value.*;
+
+public class GalaxyRS {
+ public static final int BG_STAR_COUNT = 11000;
+ public static final int SPACE_CLOUDSTAR_COUNT = 25;
+ private Resources mRes;
+ // rendering context
+ private RenderScriptGL mRS;
+ private ScriptC_galaxy mScript;
+
+ // shader constants
+ private ScriptField_VpConsts mPvConsts;
+ private ScriptField_Particle spaceClouds;
+ private ScriptField_Particle bgStars;
+ private Mesh spaceCloudsMesh;
+ private Mesh bgStarsMesh;
+
+ int mHeight;
+ int mWidth;
+ boolean inited = false;
+
+ private final BitmapFactory.Options mOptionsARGB = new BitmapFactory.Options();
+
+ private Allocation cloudAllocation;
+ private Allocation fgStarAllocation;
+ private Allocation bgAllocation;
+
+ public void init(RenderScriptGL rs, Resources res, int width, int height) {
+ if (!inited) {
+ mRS = rs;
+ mRes = res;
+
+ mWidth = width;
+ mHeight = height;
+
+ mOptionsARGB.inScaled = false;
+ mOptionsARGB.inPreferredConfig = Bitmap.Config.ARGB_8888;
+
+ spaceClouds = new ScriptField_Particle(mRS, SPACE_CLOUDSTAR_COUNT);
+ Mesh.AllocationBuilder smb = new Mesh.AllocationBuilder(mRS);
+ smb.addVertexAllocation(spaceClouds.getAllocation());
+ smb.addIndexSetType(Mesh.Primitive.POINT);
+ spaceCloudsMesh = smb.create();
+
+ bgStars = new ScriptField_Particle(mRS, BG_STAR_COUNT);
+ Mesh.AllocationBuilder smb2 = new Mesh.AllocationBuilder(mRS);
+ smb2.addVertexAllocation(bgStars.getAllocation());
+ smb2.addIndexSetType(Mesh.Primitive.POINT);
+ bgStarsMesh = smb2.create();
+
+ mScript = new ScriptC_galaxy(mRS, mRes, R.raw.galaxy);
+ mScript.set_spaceCloudsMesh(spaceCloudsMesh);
+ mScript.bind_spaceClouds(spaceClouds);
+ mScript.set_bgStarsMesh(bgStarsMesh);
+ mScript.bind_bgStars(bgStars);
+
+ mPvConsts = new ScriptField_VpConsts(mRS, 1);
+
+ createProgramVertex();
+ createProgramRaster();
+ createProgramFragmentStore();
+ createProgramFragment();
+
+ loadTextures();
+
+ mRS.bindRootScript(mScript);
+
+ mScript.invoke_positionParticles();
+
+ inited = true;
+ }
+
+ }
+
+ private Allocation loadTexture(int id) {
+ final Allocation allocation = Allocation.createFromBitmapResource(mRS, mRes, id);
+ return allocation;
+ }
+
+ private Allocation loadTextureARGB(int id) {
+ Bitmap b = BitmapFactory.decodeResource(mRes, id, mOptionsARGB);
+ return Allocation.createFromBitmap(mRS, b,
+ Allocation.MipmapControl.MIPMAP_ON_SYNC_TO_TEXTURE,
+ Allocation.USAGE_GRAPHICS_TEXTURE);
+ }
+
+ private void loadTextures() {
+ fgStarAllocation = loadTexture(R.drawable.fgstar);
+ cloudAllocation = loadTexture(R.drawable.cloud);
+ bgAllocation = loadTexture(R.drawable.bg);
+ mScript.set_textureSpaceCloud(cloudAllocation);
+ mScript.set_textureFGStar(fgStarAllocation);
+ mScript.set_textureBg(bgAllocation);
+ }
+
+ private Matrix4f getProjectionNormalized(int w, int h) {
+ // range -1,1 in the narrow axis at z = 0.
+ Matrix4f m1 = new Matrix4f();
+ Matrix4f m2 = new Matrix4f();
+
+ if (w > h) {
+ float aspect = ((float) w) / h;
+ m1.loadFrustum(-aspect, aspect, -1, 1, 1, 100);
+ } else {
+ float aspect = ((float) h) / w;
+ m1.loadFrustum(-1, 1, -aspect, aspect, 1, 100);
+ }
+
+ m2.loadRotate(180, 0, 1, 0);
+ m1.loadMultiply(m1, m2);
+
+ m2.loadScale(-1, 1, 1);
+ m1.loadMultiply(m1, m2);
+
+ m2.loadTranslate(0, 0, 1);
+ m1.loadMultiply(m1, m2);
+ return m1;
+ }
+
+ private void updateProjectionMatrices() {
+ Matrix4f proj = new Matrix4f();
+ proj.loadOrthoWindow(mWidth, mHeight);
+
+ Log.d("------------------- UPDATE PROJECTION MATRICES", mWidth + " " + mHeight);
+
+ Matrix4f projNorm = getProjectionNormalized(mWidth, mHeight);
+ ScriptField_VpConsts.Item i = new ScriptField_VpConsts.Item();
+ // i.Proj = projNorm;
+ i.MVP = projNorm;
+ mPvConsts.set(i, 0, true);
+
+ }
+
+ private void createProgramVertex() {
+
+ // /////////////////// fixed function bg
+ ProgramVertexFixedFunction.Constants mPvOrthoAlloc =
+ new ProgramVertexFixedFunction.Constants(mRS);
+ Matrix4f proj = new Matrix4f();
+ proj.loadOrthoWindow(mWidth, mHeight);
+ mPvOrthoAlloc.setProjection(proj);
+
+ ProgramVertexFixedFunction.Builder pvb = new ProgramVertexFixedFunction.Builder(mRS);
+ ProgramVertex pv = pvb.create();
+ ((ProgramVertexFixedFunction) pv).bindConstants(mPvOrthoAlloc);
+ mScript.set_vertBg(pv);
+
+ // ///////////////////////////////////////////////////////////////////////
+ // //////////////////////////////////////////////////////////////////
+
+ updateProjectionMatrices();
+
+ // cloud
+ ProgramVertex.Builder builder = new ProgramVertex.Builder(mRS);
+ builder.setShader(mRes, R.raw.spacecloud_vs);
+ builder.addConstant(mPvConsts.getType());
+ builder.addInput(spaceCloudsMesh.getVertexAllocation(0).getType().getElement());
+ ProgramVertex pvs = builder.create();
+ pvs.bindConstants(mPvConsts.getAllocation(), 0);
+ mRS.bindProgramVertex(pvs);
+
+ mScript.set_vertSpaceClouds(pvs);
+
+ // bg stars
+ builder = new ProgramVertex.Builder(mRS);
+ builder.setShader(mRes, R.raw.bgstar_vs);
+ builder.addConstant(mPvConsts.getType());
+ builder.addInput(bgStarsMesh.getVertexAllocation(0).getType().getElement());
+ pvs = builder.create();
+ pvs.bindConstants(mPvConsts.getAllocation(), 0);
+ mRS.bindProgramVertex(pvs);
+ mScript.set_vertBgStars(pvs);
+ }
+
+ private void createProgramFragment() {
+ // fixed function bg
+
+ Sampler.Builder samplerBuilder = new Sampler.Builder(mRS);
+ samplerBuilder.setMinification(NEAREST);
+ samplerBuilder.setMagnification(NEAREST);
+ samplerBuilder.setWrapS(WRAP);
+ samplerBuilder.setWrapT(WRAP);
+ Sampler sn = samplerBuilder.create();
+ ProgramFragmentFixedFunction.Builder builderff =
+ new ProgramFragmentFixedFunction.Builder(mRS);
+ builderff = new ProgramFragmentFixedFunction.Builder(mRS);
+ builderff.setTexture(ProgramFragmentFixedFunction.Builder.EnvMode.REPLACE,
+ ProgramFragmentFixedFunction.Builder.Format.RGB, 0);
+ ProgramFragment pfff = builderff.create();
+ mScript.set_fragBg(pfff);
+ pfff.bindSampler(sn, 0);
+
+ ////////////////////////////////////////////////////////////////////
+
+ // cloud fragment
+ ProgramFragment.Builder builder = new ProgramFragment.Builder(mRS);
+
+ builder.setShader(mRes, R.raw.spacecloud_fs);
+ // multiple textures
+ builder.addTexture(Program.TextureType.TEXTURE_2D);
+ builder.addTexture(Program.TextureType.TEXTURE_2D);
+
+ ProgramFragment pf = builder.create();
+ pf.bindSampler(Sampler.CLAMP_LINEAR(mRS), 0);
+ mScript.set_fragSpaceClouds(pf);
+
+ // bg star fragment
+ builder = new ProgramFragment.Builder(mRS);
+ builder.setShader(mRes, R.raw.bgstar_fs);
+ pf = builder.create();
+ mScript.set_fragBgStars(pf);
+
+ }
+
+ private void createProgramRaster() {
+ // Program raster is primarily used to specify whether point sprites are enabled and
+ // to control the culling mode. By default, back faces are culled.
+ ProgramRaster.Builder builder = new ProgramRaster.Builder(mRS);
+ builder.setPointSpriteEnabled(true);
+ ProgramRaster pr = builder.create();
+ mRS.bindProgramRaster(pr);
+ }
+
+ private void createProgramFragmentStore() {
+ // ProgramStore contains a set of parameters that control how the graphics hardware handles
+ // writes to the framebuffer.
+ //
+ // It could be used to:
+ // enable/disable depth testing
+ // specify wheather depth writes are performed
+ // setup various blending modes for use in effects like transparency
+ // define write masks for color components written into the framebuffer
+
+ ProgramStore.Builder builder = new ProgramStore.Builder(mRS);
+ // builder.setBlendFunc(BlendSrcFunc.SRC_ALPHA,
+ // BlendDstFunc.ONE_MINUS_SRC_ALPHA );
+ builder.setBlendFunc(BlendSrcFunc.SRC_ALPHA, BlendDstFunc.ONE);
+ // why alpha no work with additive blending?
+ // builder.setBlendFunc(BlendSrcFunc.ONE, BlendDstFunc.ONE);
+ mRS.bindProgramStore(builder.create());
+
+ }
+
+ public void start() {
+ mRS.bindRootScript(mScript);
+ }
+
+ public void stop() {
+ mRS.bindRootScript(null);
+ }
+
+ public void setOffset(float xOffset, float yOffset, int xPixels, int yPixels) {
+ mScript.set_xOffset(xOffset);
+ }
+
+}
diff --git a/src/com/android/galaxy4/GalaxyView.java b/src/com/android/galaxy4/GalaxyView.java
new file mode 100644
index 0000000..ce0d33f
--- /dev/null
+++ b/src/com/android/galaxy4/GalaxyView.java
@@ -0,0 +1,45 @@
+package com.android.galaxy4;
+
+import android.content.Context;
+import android.graphics.PixelFormat;
+import android.renderscript.RSSurfaceView;
+import android.renderscript.RenderScriptGL;
+import android.renderscript.RenderScriptGL.SurfaceConfig;
+import android.view.SurfaceHolder;
+
+public class GalaxyView extends RSSurfaceView {
+
+ private RenderScriptGL mRS;
+ private GalaxyRS mRender;
+
+ public GalaxyView(Context context) {
+ super(context);
+ setFocusable(true);
+ setFocusableInTouchMode(true);
+ // getHolder().setFormat(PixelFormat.TRANSPARENT);
+ }
+
+ public void surfaceChanged(SurfaceHolder holder, int format, int w, int h) {
+ super.surfaceChanged(holder, format, w, h);
+
+ if (mRS == null) {
+ RenderScriptGL.SurfaceConfig sc = new RenderScriptGL.SurfaceConfig();
+ mRS = createRenderScriptGL(sc);
+ mRS.setSurface(holder, w, h);
+
+ mRender = new GalaxyRS();
+ mRender.init(mRS, getResources(), w, h);
+ }
+
+ }
+
+ @Override
+ protected void onDetachedFromWindow() {
+ if (mRS != null) {
+ mRS.setSurface(null, 0, 0);
+ mRS = null;
+ destroyRenderScriptGL();
+ }
+ }
+
+}
diff --git a/src/com/android/galaxy4/galaxy.rs b/src/com/android/galaxy4/galaxy.rs
new file mode 100644
index 0000000..5117024
--- /dev/null
+++ b/src/com/android/galaxy4/galaxy.rs
@@ -0,0 +1,179 @@
+#pragma version(1)
+
+#pragma rs java_package_name(com.android.galaxy4)
+#include "rs_graphics.rsh"
+#pragma stateVertex(parent);
+#pragma stateStore(parent);
+
+typedef struct __attribute__((packed, aligned(4))) Particle {
+ float3 position;
+ uchar4 color;
+} Particle_t;
+
+typedef struct VpConsts {
+ rs_matrix4x4 MVP;
+} VpConsts_t;
+VpConsts_t *vpConstants;
+
+
+// hold clouds
+Particle_t *spaceClouds;
+
+// hold bg stars
+Particle_t *bgStars;
+
+rs_mesh spaceCloudsMesh;
+rs_mesh bgStarsMesh;
+
+rs_program_vertex vertSpaceClouds;
+rs_program_vertex vertBgStars;
+rs_program_fragment fragSpaceClouds;
+rs_program_fragment fragBgStars;
+rs_program_vertex vertBg;
+rs_program_fragment fragBg;
+
+rs_allocation textureSpaceCloud;
+rs_allocation textureFGStar;
+rs_allocation textureBg;
+
+static int gGalaxyRadius = 250;
+
+float xOffset;
+
+#define PI 3.1415f
+#define TWO_PI 6.283f
+
+/**
+ * Helper function to generate the stars.
+ */
+static float randomGauss() {
+ float x1;
+ float x2;
+ float w = 2.f;
+
+ while (w >= 1.0f) {
+ x1 = rsRand(2.0f) - 1.0f;
+ x2 = rsRand(2.0f) - 1.0f;
+ w = x1 * x1 + x2 * x2;
+ }
+
+ w = sqrt(-2.0f * log(w) / w);
+ return x1 * w;
+}
+
+static float mapf(float minStart, float minStop, float maxStart, float maxStop, float value) {
+ return maxStart + (maxStart - maxStop) * ((value - minStart) / (minStop - minStart));
+}
+
+
+
+void positionParticles(){
+ rsDebug("************************&&&&&&&&&&&&&&& Called positionBGStars", rsUptimeMillis());
+
+ float width = rsgGetWidth();
+ float height = rsgGetHeight();
+
+ float scale = gGalaxyRadius / (width * 0.5f);
+
+ // space clouds
+ Particle_t* particle = spaceClouds;
+ int size = rsAllocationGetDimX(rsGetAllocation(spaceClouds));
+ for(int i=0; i<size; i++){
+
+ float d = fabs(randomGauss()) * gGalaxyRadius * 0.5f + rsRand(64.0f);
+
+ d = mapf(-4.0f, gGalaxyRadius + 4.0f, 0.0f, scale, d);
+
+ float id = d / gGalaxyRadius;
+ float z = randomGauss() * 0.4f * (1.0f - id);
+
+ if (d > gGalaxyRadius * 0.15f) {
+ z *= 0.6f * (1.0f - id);
+ } else {
+ z *= 0.72f;
+ }
+
+ particle->position.x = rsRand(TWO_PI);
+ particle->position.y = d;
+ particle->position.z = z/5.0f;
+ particle->color = rsPackColorTo8888(1.0f, 0.0f, 1.0f);
+ particle++;
+ }
+
+ // bg stars
+ size = rsAllocationGetDimX(rsGetAllocation(bgStars));
+ particle = bgStars;
+ for(int i=0; i<size; i++){
+ float d = fabs(randomGauss()) * gGalaxyRadius * 0.5f + rsRand(64.0f);
+
+ d = mapf(-4.0f, gGalaxyRadius + 4.0f, 0.0f, scale, d);
+
+ float id = d / gGalaxyRadius;
+ float z = randomGauss() * 0.4f * (1.0f - id);
+
+ if (d > gGalaxyRadius * 0.15f) {
+ z *= 0.6f * (1.0f - id);
+ } else {
+ z *= 0.72f;
+ }
+
+ particle->position.x = rsRand(TWO_PI);
+ particle->position.y = d;
+ particle->position.z = z/5.0f;
+ particle->color = rsPackColorTo8888(1.0f, 0.0f, 1.0f);
+ particle++;
+ }
+
+
+}
+
+static void drawBg(int width, int height){
+ rsgBindTexture(fragBg, 0, textureBg);
+ rsgDrawRect(0.0f, 0.0f, width, height, 0.0f);
+}
+
+int root(){
+ float width = rsgGetWidth();
+ float height = rsgGetHeight();
+
+
+ rsgClearColor(0.0f, 0.f, 0.f, 0.5f);
+
+ // bg
+ rsgBindProgramVertex(vertBg);
+ rsgBindProgramFragment(fragBg);
+ drawBg(width, height);
+
+
+ // space cloud
+ rsgBindProgramVertex(vertSpaceClouds);
+ int size = rsAllocationGetDimX(rsGetAllocation(spaceClouds));
+ Particle_t *particle = spaceClouds;
+
+ for(int i=0; i<size; i++){
+ particle->position.x -= .065;
+ particle++;
+ }
+ rsgBindProgramFragment(fragSpaceClouds);
+ rsgBindTexture(fragSpaceClouds, 0, textureSpaceCloud);
+ rsgBindTexture(fragSpaceClouds, 1, textureFGStar);
+ rsgDrawMesh(spaceCloudsMesh);
+
+
+
+ // bg stars
+ rsgBindProgramVertex(vertBgStars);
+ size = rsAllocationGetDimX(rsGetAllocation(bgStars));
+ particle = bgStars;
+
+ for(int i=0; i<size; i++){
+ particle->position.x -= .007;
+ particle++;
+ }
+ rsgBindProgramFragment(fragBgStars);
+ rsgDrawMesh(bgStarsMesh);
+
+
+ return 40;
+}
+
