Add Grass live wallpaper to Launcher2. It's ALIVE!
diff --git a/AndroidManifest.xml b/AndroidManifest.xml
index cdfe585..36f6e42 100644
--- a/AndroidManifest.xml
+++ b/AndroidManifest.xml
@@ -118,6 +118,16 @@
</intent-filter>
</receiver>
+ <!-- TODO: Localize label -->
+ <service
+ android:label="@string/wallpaper_grass"
+ android:name="com.android.wallpaper.grass.GrassWallpaper"
+ android:permission="android.permission.BIND_WALLPAPER">
+ <intent-filter>
+ <action android:name="android.service.wallpaper.WallpaperService" />
+ </intent-filter>
+ </service>
+
<!-- The settings provider contains Home's data, like the workspace favorites -->
<provider
android:name="LauncherProvider"
diff --git a/res/drawable-hdpi/night.jpg b/res/drawable-hdpi/night.jpg
new file mode 100644
index 0000000..559c7cb
--- /dev/null
+++ b/res/drawable-hdpi/night.jpg
Binary files differ
diff --git a/res/drawable-hdpi/sky.jpg b/res/drawable-hdpi/sky.jpg
new file mode 100644
index 0000000..a12fe20
--- /dev/null
+++ b/res/drawable-hdpi/sky.jpg
Binary files differ
diff --git a/res/drawable-hdpi/sunrise.jpg b/res/drawable-hdpi/sunrise.jpg
new file mode 100644
index 0000000..db016b2
--- /dev/null
+++ b/res/drawable-hdpi/sunrise.jpg
Binary files differ
diff --git a/res/drawable-hdpi/sunset.jpg b/res/drawable-hdpi/sunset.jpg
new file mode 100644
index 0000000..49bb0c6
--- /dev/null
+++ b/res/drawable-hdpi/sunset.jpg
Binary files differ
diff --git a/res/raw/grass.c b/res/raw/grass.c
new file mode 100644
index 0000000..2962d0f
--- /dev/null
+++ b/res/raw/grass.c
@@ -0,0 +1,212 @@
+// 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.
+
+#pragma version(1)
+#pragma stateVertex(PVBackground)
+#pragma stateFragment(PFBackground)
+#pragma stateFragmentStore(PFSBackground)
+
+#define RSID_STATE 0
+#define RSID_FRAME_COUNT 0
+#define RSID_BLADES_COUNT 1
+#define RSID_WIDTH 2
+#define RSID_HEIGHT 3
+
+#define RSID_BLADES 1
+#define BLADE_STRUCT_FIELDS_COUNT 12
+#define BLADE_STRUCT_ANGLE 0
+#define BLADE_STRUCT_SIZE 1
+#define BLADE_STRUCT_XPOS 2
+#define BLADE_STRUCT_YPOS 3
+#define BLADE_STRUCT_OFFSET 4
+#define BLADE_STRUCT_SCALE 5
+#define BLADE_STRUCT_LENGTHX 6
+#define BLADE_STRUCT_LENGTHY 7
+#define BLADE_STRUCT_HARDNESS 8
+#define BLADE_STRUCT_H 9
+#define BLADE_STRUCT_S 10
+#define BLADE_STRUCT_B 11
+
+#define TESSELATION 2.0f
+
+#define MAX_BEND 0.09f
+
+#define MIDNIGHT 0.0f
+#define MORNING 0.375f
+#define AFTERNOON 0.6f
+#define DUSK 0.8f
+
+#define SECONDS_IN_DAY 24.0f * 3600.0f
+
+#define PI 3.1415926f
+
+#define REAL_TIME 0
+
+float time(int frameCount) {
+ if (REAL_TIME) {
+ return (hour() * 3600.0f + minute() * 60.0f + second()) / SECONDS_IN_DAY;
+ }
+ return (frameCount % 180) / 180.0f;
+}
+
+void alpha(float a) {
+ color(1.0f, 1.0f, 1.0f, a);
+}
+
+void drawNight(int width, int height) {
+ bindProgramFragment(NAMED_PFNight);
+ bindTexture(NAMED_PFNight, 0, NAMED_TNight);
+ drawQuadTexCoords(
+ 0.0f, -32.0f, 0.0f,
+ 0.0f, 1.0f,
+ width, -32.0f, 0.0f,
+ 2.0f, 1.0f,
+ width, 1024.0f - 32.0f, 0.0f,
+ 2.0f, 0.0f,
+ 0.0f, 1024.0f - 32.0f, 0.0f,
+ 0.0f, 0.0f);
+ bindProgramFragment(NAMED_PFBackground);
+}
+
+void drawSunrise(int width, int height) {
+ bindTexture(NAMED_PFBackground, 0, NAMED_TSunrise);
+ drawRect(0.0f, 0.0f, width, height, 0.0f);
+}
+
+void drawNoon(int width, int height) {
+ bindTexture(NAMED_PFBackground, 0, NAMED_TSky);
+ drawRect(0.0f, 0.0f, width, height, 0.0f);
+}
+
+void drawSunset(int width, int height) {
+ bindTexture(NAMED_PFBackground, 0, NAMED_TSunset);
+ drawRect(0.0f, 0.0f, width, height, 0.0f);
+}
+
+void drawBlade(int index, float now, int frameCount) {
+ float *bladeStruct = loadArrayF(RSID_BLADES, index);
+ float offset = bladeStruct[BLADE_STRUCT_OFFSET];
+ float scale = bladeStruct[BLADE_STRUCT_SCALE];
+ float angle = bladeStruct[BLADE_STRUCT_ANGLE];
+ float hardness = bladeStruct[BLADE_STRUCT_HARDNESS];
+
+ float xpos = bladeStruct[BLADE_STRUCT_XPOS];
+ float ypos = bladeStruct[BLADE_STRUCT_YPOS];
+
+ float lengthX = bladeStruct[BLADE_STRUCT_LENGTHX];
+ float lengthY = bladeStruct[BLADE_STRUCT_LENGTHY];
+
+ int size = bladeStruct[BLADE_STRUCT_SIZE];
+
+ float h = bladeStruct[BLADE_STRUCT_H];
+ float s = bladeStruct[BLADE_STRUCT_S];
+ float b = bladeStruct[BLADE_STRUCT_B];
+
+ float newB = 1.0f;
+ if (now >= MIDNIGHT && now < MORNING) {
+ newB = now / MORNING;
+ }
+
+ if (now >= AFTERNOON && now < DUSK) {
+ newB = 1.0f - normf(AFTERNOON, DUSK, now);
+ }
+
+ if (now >= DUSK) {
+ newB = 0.0f;
+ }
+
+ hsb(h, s, lerpf(0, b, newB), 1.0f);
+
+ float newAngle = turbulencef2(xpos * 0.006f, frameCount * 0.006f, 4.0f) - 0.5f;
+ newAngle /= 2.0f;
+ angle = clampf(angle + (newAngle + offset - angle) * 0.15f, -MAX_BEND, MAX_BEND);
+
+ float currentAngle = PI / 2.0f;
+
+ float bottomX = xpos;
+ float bottomY = ypos;
+
+ int i = size * TESSELATION;
+ float lx = lengthX / TESSELATION;
+ float ly = lengthY / TESSELATION;
+ float ss = 4.0f / i + scale / TESSELATION;
+ float sh = 0.5f / TESSELATION;
+ float d = angle * hardness / TESSELATION;
+
+ for ( ; i > 0; i--) {
+ float topX = bottomX - cosf(currentAngle) * size * lx;
+ float topY = bottomY - sinf(currentAngle) * size * ly;
+ currentAngle += d;
+
+ float spi = (i - 1) * ss;
+ float si = i * ss;
+
+ drawQuad(topX + spi, topY, 0.0f,
+ topX - spi, topY, 0.0f,
+ bottomX - si, bottomY + sh, 0.0f,
+ bottomX + si, bottomY + sh, 0.0f);
+
+ bottomX = topX;
+ bottomY = topY;
+ }
+
+ storeF(RSID_BLADES, index + BLADE_STRUCT_ANGLE, angle);
+}
+
+void drawBlades(float now, int frameCount) {
+ // For anti-aliasing
+ bindTexture(NAMED_PFBackground, 0, NAMED_TAa);
+
+ int bladesCount = loadI32(RSID_STATE, RSID_BLADES_COUNT);
+ int count = bladesCount * BLADE_STRUCT_FIELDS_COUNT;
+
+ int i = 0;
+ for ( ; i < count; i += BLADE_STRUCT_FIELDS_COUNT) {
+ drawBlade(i, now, frameCount);
+ }
+}
+
+int main(int launchID) {
+ int width = loadI32(RSID_STATE, RSID_WIDTH);
+ int height = loadI32(RSID_STATE, RSID_HEIGHT);
+
+ int frameCount = loadI32(RSID_STATE, RSID_FRAME_COUNT);
+ float now = time(frameCount);
+ alpha(1.0f);
+
+ if (now >= MIDNIGHT && now < MORNING) {
+ drawNight(width, height);
+ alpha(normf(MIDNIGHT, MORNING, now));
+ drawSunrise(width, height);
+ } else if (now >= MORNING && now < AFTERNOON) {
+ drawSunrise(width, height);
+ alpha(normf(MORNING, AFTERNOON, now));
+ drawNoon(width, height);
+ } else if (now >= AFTERNOON && now < DUSK) {
+ drawNoon(width, height);
+ alpha(normf(AFTERNOON, DUSK, now));
+ drawSunset(width, height);
+ } else if (now >= DUSK) {
+ drawNight(width, height);
+ alpha(1.0f - normf(DUSK, 1.0f, now));
+ drawSunset(width, height);
+ }
+
+ drawBlades(now, frameCount);
+
+ frameCount++;
+ storeI32(RSID_STATE, RSID_FRAME_COUNT, frameCount);
+
+ return 1;
+}
diff --git a/res/values/strings.xml b/res/values/strings.xml
index f286fa1..b792d36 100644
--- a/res/values/strings.xml
+++ b/res/values/strings.xml
@@ -126,4 +126,10 @@
<!-- Text to show user in place of a gadget when we can't display it properly -->
<string name="gadget_error_text">Problem loading widget</string>
+
+ <!-- Wallpapers: -->
+ <skip />
+
+ <!-- Wallpaper showing grass and the sky -->
+ <string name="wallpaper_grass">Grass</string>
</resources>
diff --git a/src/com/android/launcher2/Workspace.java b/src/com/android/launcher2/Workspace.java
index c960412..9df5df0 100644
--- a/src/com/android/launcher2/Workspace.java
+++ b/src/com/android/launcher2/Workspace.java
@@ -461,7 +461,7 @@
}
private void updateWallpaperOffset(int scrollRange) {
- mWallpaperManager.setWallpaperOffsets(getWindowToken(), mScrollX / (float) scrollRange, 0);
+ mWallpaperManager.setWallpaperOffsets(getWindowToken(), mScrollX / (float) scrollRange, -30);
}
@Override
diff --git a/src/com/android/wallpaper/grass/GrassRS.java b/src/com/android/wallpaper/grass/GrassRS.java
new file mode 100644
index 0000000..722685b
--- /dev/null
+++ b/src/com/android/wallpaper/grass/GrassRS.java
@@ -0,0 +1,262 @@
+/*
+ * 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.
+ */
+
+package com.android.wallpaper.grass;
+
+import android.content.res.Resources;
+import android.renderscript.Sampler;
+import static android.renderscript.ProgramFragment.EnvMode.*;
+import static android.renderscript.ProgramStore.DepthFunc.*;
+import static android.renderscript.ProgramStore.BlendSrcFunc;
+import static android.renderscript.ProgramStore.BlendDstFunc;
+import android.renderscript.RenderScript;
+import android.renderscript.ProgramFragment;
+import android.renderscript.ProgramStore;
+import android.renderscript.Allocation;
+import android.renderscript.ProgramVertex;
+import static android.renderscript.Element.*;
+import static android.util.MathUtils.*;
+import android.renderscript.ScriptC;
+import android.renderscript.Type;
+import android.renderscript.Dimension;
+import static android.renderscript.Sampler.Value.*;
+import com.android.launcher2.R;
+
+import java.util.TimeZone;
+
+class GrassRS {
+ private static final int RSID_STATE = 0;
+ private static final int RSID_STATE_FRAMECOUNT = 0;
+ private static final int RSID_STATE_BLADES_COUNT = 1;
+ private static final int RSID_STATE_WIDTH = 2;
+ private static final int RSID_STATE_HEIGHT = 3;
+
+ private static final int TEXTURES_COUNT = 5;
+
+ private static final int RSID_BLADES = 1;
+ private static final int BLADES_COUNT = 200;
+ private static final int BLADE_STRUCT_FIELDS_COUNT = 12;
+ private static final int BLADE_STRUCT_ANGLE = 0;
+ private static final int BLADE_STRUCT_SIZE = 1;
+ private static final int BLADE_STRUCT_XPOS = 2;
+ private static final int BLADE_STRUCT_YPOS = 3;
+ private static final int BLADE_STRUCT_OFFSET = 4;
+ private static final int BLADE_STRUCT_SCALE = 5;
+ private static final int BLADE_STRUCT_LENGTHX = 6;
+ private static final int BLADE_STRUCT_LENGTHY = 7;
+ private static final int BLADE_STRUCT_HARDNESS = 8;
+ private static final int BLADE_STRUCT_H = 9;
+ private static final int BLADE_STRUCT_S = 10;
+ private static final int BLADE_STRUCT_B = 11;
+
+ private Resources mResources;
+ private RenderScript mRS;
+
+ private final int mWidth;
+ private final int mHeight;
+
+ private ScriptC mScript;
+ private Sampler mSampler;
+ private Sampler mNightSampler;
+ private ProgramFragment mPfBackground;
+ private ProgramFragment mPfNight;
+ private ProgramStore mPfsBackground;
+ private ProgramVertex mPvBackground;
+ private ProgramVertex.MatrixAllocation mPvOrthoAlloc;
+
+ private Allocation[] mTextures;
+
+ private Allocation mState;
+ private Allocation mBlades;
+
+ public GrassRS(int width, int height) {
+ mWidth = width;
+ mHeight = height;
+ }
+
+ public void init(RenderScript rs, Resources res) {
+ mRS = rs;
+ mResources = res;
+ initRS();
+ }
+
+ public void destroy() {
+ mScript.destroy();
+ mSampler.destroy();
+ mPfBackground.destroy();
+ mPfsBackground.destroy();
+ mPvBackground.destroy();
+ mPvOrthoAlloc.mAlloc.destroy();
+ for (Allocation a : mTextures) {
+ a.destroy();
+ }
+ mState.destroy();
+ mBlades.destroy();
+ mNightSampler.destroy();
+ mPfNight.destroy();
+ }
+
+ @Override
+ protected void finalize() throws Throwable {
+ try {
+ destroy();
+ } finally {
+ super.finalize();
+ }
+ }
+
+ private void initRS() {
+ createProgramVertex();
+ createProgramFragmentStore();
+ createProgramFragment();
+ createScriptStructures();
+ loadTextures();
+
+ ScriptC.Builder sb = new ScriptC.Builder(mRS);
+ sb.setScript(mResources, R.raw.grass);
+ sb.setRoot(true);
+ mScript = sb.create();
+ mScript.setClearColor(0.0f, 0.0f, 0.0f, 1.0f);
+ mScript.setTimeZone(TimeZone.getDefault().getID());
+
+ mScript.bindAllocation(mState, RSID_STATE);
+ mScript.bindAllocation(mBlades, RSID_BLADES);
+
+ mRS.contextBindRootScript(mScript);
+ }
+
+ private void createScriptStructures() {
+ final int[] data = new int[4];
+ mState = Allocation.createSized(mRS, USER_I32, data.length);
+ data[RSID_STATE_FRAMECOUNT] = 0;
+ data[RSID_STATE_BLADES_COUNT] = BLADES_COUNT;
+ data[RSID_STATE_WIDTH] = mWidth;
+ data[RSID_STATE_HEIGHT] = mHeight;
+ mState.data(data);
+
+ final float[] blades = new float[BLADES_COUNT * BLADE_STRUCT_FIELDS_COUNT];
+ mBlades = Allocation.createSized(mRS, USER_FLOAT, blades.length);
+ for (int i = 0; i < blades.length; i+= BLADE_STRUCT_FIELDS_COUNT) {
+ createBlade(blades, i);
+ }
+ mBlades.data(blades);
+ }
+
+ private void createBlade(float[] blades, int index) {
+ //noinspection PointlessArithmeticExpression
+ blades[index + BLADE_STRUCT_ANGLE] = 0.0f;
+ blades[index + BLADE_STRUCT_SIZE] = random(4.0f) + 4.0f;
+ blades[index + BLADE_STRUCT_XPOS] = random(mWidth);
+ blades[index + BLADE_STRUCT_YPOS] = mHeight;
+ blades[index + BLADE_STRUCT_OFFSET] = random(0.2f) - 0.1f;
+ blades[index + BLADE_STRUCT_SCALE] = random(0.6f) + 0.2f;
+ blades[index + BLADE_STRUCT_LENGTHX] = random(4.5f) + 3.0f;
+ blades[index + BLADE_STRUCT_LENGTHY] = random(5.5f) + 2.0f;
+ blades[index + BLADE_STRUCT_HARDNESS] = random(1.0f) + 0.2f;
+ blades[index + BLADE_STRUCT_H] = random(0.02f) + 0.2f;
+ blades[index + BLADE_STRUCT_S] = random(0.22f) + 0.78f;
+ blades[index + BLADE_STRUCT_B] = random(0.65f) + 0.35f;
+ }
+
+ private void loadTextures() {
+ mTextures = new Allocation[TEXTURES_COUNT];
+
+ final Allocation[] textures = mTextures;
+ textures[0] = loadTexture(R.drawable.night, "TNight");
+ textures[1] = loadTexture(R.drawable.sunrise, "TSunrise");
+ textures[2] = loadTexture(R.drawable.sky, "TSky");
+ textures[3] = loadTexture(R.drawable.sunset, "TSunset");
+ textures[4] = generateTextureAlpha(4, 1, new int[] { 0x00FFFF00 }, "TAa");
+
+ final int count = textures.length;
+ for (int i = 0; i < count; i++) {
+ final Allocation texture = textures[i];
+ texture.uploadToTexture(0);
+ }
+ }
+
+ private Allocation generateTextureAlpha(int width, int height, int[] data, String name) {
+ final Type.Builder builder = new Type.Builder(mRS, A_8);
+ builder.add(Dimension.X, width);
+ builder.add(Dimension.Y, height);
+
+ final Allocation allocation = Allocation.createTyped(mRS, builder.create());
+ allocation.data(data);
+ allocation.setName(name);
+ return allocation;
+ }
+
+ private Allocation loadTexture(int id, String name) {
+ final Allocation allocation = Allocation.createFromBitmapResource(mRS, mResources,
+ id, RGB_565, false);
+ allocation.setName(name);
+ return allocation;
+ }
+
+ private void createProgramFragment() {
+ Sampler.Builder bs = new Sampler.Builder(mRS);
+ bs.setMin(LINEAR);
+ bs.setMag(LINEAR);
+ bs.setWrapS(CLAMP);
+ bs.setWrapT(CLAMP);
+ mSampler = bs.create();
+
+ ProgramFragment.Builder b;
+ b = new ProgramFragment.Builder(mRS, null, null);
+ b.setTexEnable(true, 0);
+ b.setTexEnvMode(REPLACE, 0);
+ mPfBackground = b.create();
+ mPfBackground.setName("PFBackground");
+ mPfBackground.bindSampler(mSampler, 0);
+
+ bs = new Sampler.Builder(mRS);
+ bs.setMin(LINEAR);
+ bs.setMag(LINEAR);
+ bs.setWrapS(WRAP);
+ bs.setWrapT(WRAP);
+ mNightSampler = bs.create();
+
+ b = new ProgramFragment.Builder(mRS, null, null);
+ b.setTexEnable(true, 0);
+ b.setTexEnvMode(REPLACE, 0);
+ mPfNight = b.create();
+ mPfNight.setName("PFNight");
+ mPfNight.bindSampler(mNightSampler, 0);
+ }
+
+ private void createProgramFragmentStore() {
+ ProgramStore.Builder b;
+ b = new ProgramStore.Builder(mRS, null, null);
+
+ b.setDepthFunc(ALWAYS);
+ b.setBlendFunc(BlendSrcFunc.SRC_ALPHA, BlendDstFunc.ONE_MINUS_SRC_ALPHA);
+ b.setDitherEnable(true);
+ b.setDepthMask(false);
+ mPfsBackground = b.create();
+ mPfsBackground.setName("PFSBackground");
+ }
+
+ private void createProgramVertex() {
+ mPvOrthoAlloc = new ProgramVertex.MatrixAllocation(mRS);
+ mPvOrthoAlloc.setupOrthoWindow(mWidth, mHeight);
+
+ ProgramVertex.Builder pvb = new ProgramVertex.Builder(mRS, null, null);
+ pvb.setTextureMatrixEnable(true);
+ mPvBackground = pvb.create();
+ mPvBackground.bindAllocation(mPvOrthoAlloc);
+ mPvBackground.setName("PVBackground");
+ }
+}
diff --git a/src/com/android/wallpaper/grass/GrassWallpaper.java b/src/com/android/wallpaper/grass/GrassWallpaper.java
new file mode 100644
index 0000000..d374424
--- /dev/null
+++ b/src/com/android/wallpaper/grass/GrassWallpaper.java
@@ -0,0 +1,73 @@
+/*
+ * 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.
+ */
+
+package com.android.wallpaper.grass;
+
+import android.service.wallpaper.WallpaperService;
+import android.view.SurfaceHolder;
+import android.view.Surface;
+import android.renderscript.RenderScript;
+
+public class GrassWallpaper extends WallpaperService {
+ public Engine onCreateEngine() {
+ return new RenderScriptEngine();
+ }
+
+ private class RenderScriptEngine extends Engine {
+ private RenderScript mRs;
+ private GrassRS mRenderer;
+
+ @Override
+ public void onCreate(SurfaceHolder surfaceHolder) {
+ super.onCreate(surfaceHolder);
+ surfaceHolder.setType(SurfaceHolder.SURFACE_TYPE_GPU);
+ }
+
+ @Override
+ public void onDestroy() {
+ super.onDestroy();
+ }
+
+ @Override
+ public void onVisibilityChanged(boolean visible) {
+ super.onVisibilityChanged(visible);
+ }
+
+ @Override
+ public void onSurfaceChanged(SurfaceHolder holder, int format, int width, int height) {
+ super.onSurfaceChanged(holder, format, width, height);
+ mRenderer = new GrassRS(width, height);
+ mRenderer.init(mRs, getResources());
+ }
+
+ @Override
+ public void onSurfaceCreated(SurfaceHolder holder) {
+ super.onSurfaceCreated(holder);
+
+ Surface surface = null;
+ while (surface == null) {
+ surface = holder.getSurface();
+ }
+ mRs = new RenderScript(surface);
+ }
+
+ @Override
+ public void onSurfaceDestroyed(SurfaceHolder holder) {
+ super.onSurfaceDestroyed(holder);
+ mRenderer.destroy();
+ }
+ }
+}
