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authorRomain Guy <romainguy@android.com>2009-08-14 18:58:33 -0700
committerRomain Guy <romainguy@android.com>2009-08-16 23:22:44 -0700
commit81e4640d18d451992cb504b356ff4d2dc1b7f297 (patch)
treeb87b5375c9cba8702b08655f1965e77ea40af405 /libs
parent872242948184d7b6fed8b127d8ba8386487dc826 (diff)
downloadframeworks_base-81e4640d18d451992cb504b356ff4d2dc1b7f297.zip
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Add Galaxy wallpaper
Diffstat (limited to 'libs')
-rw-r--r--libs/rs/java/Galaxy/Android.mk25
-rw-r--r--libs/rs/java/Galaxy/AndroidManifest.xml21
-rw-r--r--libs/rs/java/Galaxy/res/drawable-hdpi/flares.pngbin0 -> 7037 bytes
-rw-r--r--libs/rs/java/Galaxy/res/drawable-hdpi/light1.pngbin0 -> 195679 bytes
-rw-r--r--libs/rs/java/Galaxy/res/drawable-hdpi/light2.pngbin0 -> 129385 bytes
-rw-r--r--libs/rs/java/Galaxy/res/drawable-hdpi/space.jpgbin0 -> 137126 bytes
-rw-r--r--libs/rs/java/Galaxy/res/raw/galaxy.c181
-rw-r--r--libs/rs/java/Galaxy/src/com/android/galaxy/rs/Galaxy.java46
-rw-r--r--libs/rs/java/Galaxy/src/com/android/galaxy/rs/GalaxyRS.java332
-rw-r--r--libs/rs/java/Galaxy/src/com/android/galaxy/rs/GalaxyView.java45
10 files changed, 650 insertions, 0 deletions
diff --git a/libs/rs/java/Galaxy/Android.mk b/libs/rs/java/Galaxy/Android.mk
new file mode 100644
index 0000000..0884e18
--- /dev/null
+++ b/libs/rs/java/Galaxy/Android.mk
@@ -0,0 +1,25 @@
+#
+# 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.
+#
+
+LOCAL_PATH := $(call my-dir)
+include $(CLEAR_VARS)
+
+LOCAL_SRC_FILES := $(call all-java-files-under, src)
+#LOCAL_STATIC_JAVA_LIBRARIES := android.renderscript
+
+LOCAL_PACKAGE_NAME := GalaxyRS
+
+include $(BUILD_PACKAGE)
diff --git a/libs/rs/java/Galaxy/AndroidManifest.xml b/libs/rs/java/Galaxy/AndroidManifest.xml
new file mode 100644
index 0000000..6da1e0f
--- /dev/null
+++ b/libs/rs/java/Galaxy/AndroidManifest.xml
@@ -0,0 +1,21 @@
+<?xml version="1.0" encoding="utf-8"?>
+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+ package="com.android.galaxy.rs">
+
+ <application android:label="GalaxyRS">
+
+ <activity
+ android:screenOrientation="portrait"
+ android:name="Galaxy"
+ android:theme="@android:style/Theme.NoTitleBar">
+
+ <intent-filter>
+ <action android:name="android.intent.action.MAIN" />
+ <category android:name="android.intent.category.LAUNCHER" />
+ </intent-filter>
+
+ </activity>
+
+ </application>
+
+</manifest>
diff --git a/libs/rs/java/Galaxy/res/drawable-hdpi/flares.png b/libs/rs/java/Galaxy/res/drawable-hdpi/flares.png
new file mode 100644
index 0000000..fbaaafb
--- /dev/null
+++ b/libs/rs/java/Galaxy/res/drawable-hdpi/flares.png
Binary files differ
diff --git a/libs/rs/java/Galaxy/res/drawable-hdpi/light1.png b/libs/rs/java/Galaxy/res/drawable-hdpi/light1.png
new file mode 100644
index 0000000..9d5a795
--- /dev/null
+++ b/libs/rs/java/Galaxy/res/drawable-hdpi/light1.png
Binary files differ
diff --git a/libs/rs/java/Galaxy/res/drawable-hdpi/light2.png b/libs/rs/java/Galaxy/res/drawable-hdpi/light2.png
new file mode 100644
index 0000000..86a6d2e
--- /dev/null
+++ b/libs/rs/java/Galaxy/res/drawable-hdpi/light2.png
Binary files differ
diff --git a/libs/rs/java/Galaxy/res/drawable-hdpi/space.jpg b/libs/rs/java/Galaxy/res/drawable-hdpi/space.jpg
new file mode 100644
index 0000000..b61f6a3
--- /dev/null
+++ b/libs/rs/java/Galaxy/res/drawable-hdpi/space.jpg
Binary files differ
diff --git a/libs/rs/java/Galaxy/res/raw/galaxy.c b/libs/rs/java/Galaxy/res/raw/galaxy.c
new file mode 100644
index 0000000..ab82b58
--- /dev/null
+++ b/libs/rs/java/Galaxy/res/raw/galaxy.c
@@ -0,0 +1,181 @@
+// 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_WIDTH 1
+#define RSID_HEIGHT 2
+#define RSID_PARTICLES_COUNT 3
+#define RSID_GALAXY_RADIUS 4
+
+#define RSID_PARTICLES 1
+
+#define PARTICLE_STRUCT_FIELDS_COUNT 7
+#define PARTICLE_STRUCT_ANGLE 0
+#define PARTICLE_STRUCT_DISTANCE 1
+#define PARTICLE_STRUCT_SPEED 2
+#define PARTICLE_STRUCT_Z 3
+#define PARTICLE_STRUCT_RADIUS 4
+#define PARTICLE_STRUCT_U1 5
+#define PARTICLE_STRUCT_U2 6
+
+#define RSID_PARTICLES_BUFFER 2
+#define PARTICLE_BUFFER_COMPONENTS_COUNT 6
+
+#define PARTICLES_TEXTURES_COUNT 2
+
+#define ELLIPSE_RATIO 0.86f
+#define ELLIPSE_TWIST 0.02333333333f
+
+void drawSpace(int width, int height) {
+ bindTexture(NAMED_PFBackground, 0, NAMED_TSpace);
+ drawQuadTexCoords(
+ 0.0f, 0.0f, 0.0f,
+ 0.0f, 1.0f,
+ width, 0.0f, 0.0f,
+ 2.0f, 1.0f,
+ width, height, 0.0f,
+ 2.0f, 0.0f,
+ 0.0f, height, 0.0f,
+ 0.0f, 0.0f);
+}
+
+void drawLights(int width, int height) {
+ bindProgramFragment(NAMED_PFBackground);
+ bindProgramFragmentStore(NAMED_PFSLights);
+
+ float x = (width - 512.0f) / 2.0f;
+ float y = (height - 512.0f) / 2.0f;
+
+ bindTexture(NAMED_PFBackground, 0, NAMED_TLight1);
+ drawQuad(x + 512.0f, y , 0.0f,
+ x , y , 0.0f,
+ x , y + 512.0f, 0.0f,
+ x + 512.0f, y + 512.0f, 0.0f);
+
+ bindTexture(NAMED_PFBackground, 0, NAMED_TLight2);
+ drawQuad(x + 512.0f, y , 0.0f,
+ x , y , 0.0f,
+ x , y + 512.0f, 0.0f,
+ x + 512.0f, y + 512.0f, 0.0f);
+}
+
+void drawParticle(int index, int bufferIndex, int width, int height, int radius) {
+ float *particle = loadArrayF(RSID_PARTICLES, index);
+
+ float distance = particle[PARTICLE_STRUCT_DISTANCE];
+ float angle = particle[PARTICLE_STRUCT_ANGLE];
+ float speed = particle[PARTICLE_STRUCT_SPEED];
+ float r = particle[PARTICLE_STRUCT_RADIUS];
+
+ int red;
+ int green;
+ int blue;
+
+ if (distance < radius / 3.0f) {
+ red = 220 + (distance / (float) radius) * 35;
+ green = 220;
+ blue = 220;
+ } else {
+ red = 180;
+ green = 180;
+ blue = clamp(140 + (distance / (float) radius) * 115, 140, 255);
+ }
+
+ int color = 0xFF000000 | red | green << 8 | blue << 16;
+
+ float a = angle + speed * (0.5f + (0.5f * radius / distance));
+ float x = distance * sinf(a);
+ float y = distance * cosf(a) * ELLIPSE_RATIO;
+ float z = distance * ELLIPSE_TWIST;
+ float s = cosf(z);
+ float t = sinf(z);
+
+ float sX = t * x + s * y + width / 2.0f;
+ float sY = s * x - t * y + height / 2.0f;
+ float sZ = particle[PARTICLE_STRUCT_Z];
+
+ float u1 = particle[PARTICLE_STRUCT_U1];
+ float u2 = particle[PARTICLE_STRUCT_U2];
+
+ // lower left vertex of the particle's triangle
+ storeI32(RSID_PARTICLES_BUFFER, bufferIndex, color); // ABGR
+
+ storeF(RSID_PARTICLES_BUFFER, bufferIndex + 1, sX - r); // X
+ storeF(RSID_PARTICLES_BUFFER, bufferIndex + 2, sY + r); // Y
+ storeF(RSID_PARTICLES_BUFFER, bufferIndex + 3, sZ); // Z
+
+ storeF(RSID_PARTICLES_BUFFER, bufferIndex + 4, u1); // S
+ storeF(RSID_PARTICLES_BUFFER, bufferIndex + 5, 1.0f); // T
+
+ // lower right vertex of the particle's triangle
+ bufferIndex += PARTICLE_BUFFER_COMPONENTS_COUNT;
+ storeI32(RSID_PARTICLES_BUFFER, bufferIndex, color);
+
+ storeF(RSID_PARTICLES_BUFFER, bufferIndex + 1, sX + r);
+ storeF(RSID_PARTICLES_BUFFER, bufferIndex + 2, sY + r);
+ storeF(RSID_PARTICLES_BUFFER, bufferIndex + 3, sZ);
+
+ storeF(RSID_PARTICLES_BUFFER, bufferIndex + 4, u2);
+ storeF(RSID_PARTICLES_BUFFER, bufferIndex + 5, 1.0f);
+
+ // upper middle vertex of the particle's triangle
+ bufferIndex += PARTICLE_BUFFER_COMPONENTS_COUNT;
+ storeI32(RSID_PARTICLES_BUFFER, bufferIndex, color);
+
+ storeF(RSID_PARTICLES_BUFFER, bufferIndex + 1, sX);
+ storeF(RSID_PARTICLES_BUFFER, bufferIndex + 2, sY - r);
+ storeF(RSID_PARTICLES_BUFFER, bufferIndex + 3, sZ);
+
+ storeF(RSID_PARTICLES_BUFFER, bufferIndex + 4, u1 + (u2 - u1) / 2.0f);
+ storeF(RSID_PARTICLES_BUFFER, bufferIndex + 5, 0.0f);
+
+ particle[PARTICLE_STRUCT_ANGLE] = a;
+}
+
+void drawParticles(int width, int height) {
+ bindProgramFragment(NAMED_PFLighting);
+ bindTexture(NAMED_PFLighting, 0, NAMED_TFlares);
+
+ int radius = loadI32(RSID_STATE, RSID_GALAXY_RADIUS);
+ int particlesCount = loadI32(RSID_STATE, RSID_PARTICLES_COUNT);
+ int count = particlesCount * PARTICLE_STRUCT_FIELDS_COUNT;
+
+ int i = 0;
+ int bufferIndex = 0;
+ for ( ; i < count; i += PARTICLE_STRUCT_FIELDS_COUNT) {
+ drawParticle(i, bufferIndex, width, height, radius);
+ // each particle is a triangle (3 vertices) of 6 properties (ABGR, X, Y, Z, S, T)
+ bufferIndex += 3 * PARTICLE_BUFFER_COMPONENTS_COUNT;
+ }
+
+ uploadToBufferObject(NAMED_BParticles);
+ drawSimpleMeshRange(NAMED_MParticles, 0, particlesCount * 3);
+}
+
+int main(int index) {
+ int width = loadI32(RSID_STATE, RSID_WIDTH);
+ int height = loadI32(RSID_STATE, RSID_HEIGHT);
+
+ drawSpace(width, height);
+ drawParticles(width, height);
+ drawLights(width, height);
+
+ return 1;
+}
diff --git a/libs/rs/java/Galaxy/src/com/android/galaxy/rs/Galaxy.java b/libs/rs/java/Galaxy/src/com/android/galaxy/rs/Galaxy.java
new file mode 100644
index 0000000..27d333c
--- /dev/null
+++ b/libs/rs/java/Galaxy/src/com/android/galaxy/rs/Galaxy.java
@@ -0,0 +1,46 @@
+/*
+ * 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.galaxy.rs;
+
+import android.app.Activity;
+import android.os.Bundle;
+
+public class Galaxy extends Activity {
+ private GalaxyView mView;
+
+ @Override
+ public void onCreate(Bundle icicle) {
+ super.onCreate(icicle);
+
+ mView = new GalaxyView(this);
+ setContentView(mView);
+ }
+
+ @Override
+ protected void onResume() {
+ super.onResume();
+ mView.onResume();
+ }
+
+ @Override
+ protected void onPause() {
+ super.onPause();
+ mView.onPause();
+
+ Runtime.getRuntime().exit(0);
+ }
+} \ No newline at end of file
diff --git a/libs/rs/java/Galaxy/src/com/android/galaxy/rs/GalaxyRS.java b/libs/rs/java/Galaxy/src/com/android/galaxy/rs/GalaxyRS.java
new file mode 100644
index 0000000..33de229
--- /dev/null
+++ b/libs/rs/java/Galaxy/src/com/android/galaxy/rs/GalaxyRS.java
@@ -0,0 +1,332 @@
+/*
+ * 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.galaxy.rs;
+
+import android.content.res.Resources;
+import android.renderscript.RenderScript;
+import android.renderscript.ScriptC;
+import android.renderscript.ProgramFragment;
+import android.renderscript.ProgramStore;
+import android.renderscript.ProgramVertex;
+import android.renderscript.Allocation;
+import android.renderscript.Sampler;
+import android.renderscript.Element;
+import android.renderscript.SimpleMesh;
+import android.renderscript.Primitive;
+import static android.renderscript.Sampler.Value.LINEAR;
+import static android.renderscript.Sampler.Value.CLAMP;
+import static android.renderscript.Sampler.Value.WRAP;
+import static android.renderscript.ProgramStore.DepthFunc.*;
+import static android.renderscript.ProgramStore.BlendDstFunc;
+import static android.renderscript.ProgramStore.BlendSrcFunc;
+import static android.renderscript.ProgramFragment.EnvMode.*;
+import static android.renderscript.Element.*;
+import android.graphics.BitmapFactory;
+import android.graphics.Bitmap;
+import static android.util.MathUtils.*;
+
+import java.util.TimeZone;
+
+class GalaxyRS {
+ private static final int GALAXY_RADIUS = 300;
+ private static final int PARTICLES_COUNT = 12000;
+ private static final float GALAXY_HEIGHT = 0.1f;
+
+ private static final int RSID_STATE = 0;
+ private static final int RSID_STATE_FRAMECOUNT = 0;
+ private static final int RSID_STATE_WIDTH = 1;
+ private static final int RSID_STATE_HEIGHT = 2;
+ private static final int RSID_STATE_PARTICLES_COUNT = 3;
+ private static final int RSID_STATE_GALAXY_RADIUS = 4;
+
+ private static final int TEXTURES_COUNT = 4;
+ private static final int PARTICLES_TEXTURES_COUNT = 2;
+ private static final int RSID_TEXTURE_SPACE = 0;
+ private static final int RSID_TEXTURE_LIGHT1 = 1;
+ private static final int RSID_TEXTURE_LIGHT2 = 2;
+ private static final int RSID_TEXTURE_FLARES = 3;
+
+ private static final int RSID_PARTICLES = 1;
+ private static final int PARTICLE_STRUCT_FIELDS_COUNT = 7;
+ private static final int PARTICLE_STRUCT_ANGLE = 0;
+ private static final int PARTICLE_STRUCT_DISTANCE = 1;
+ private static final int PARTICLE_STRUCT_SPEED = 2;
+ private static final int PARTICLE_STRUCT_Z = 3;
+ private static final int PARTICLE_STRUCT_RADIUS = 4;
+ private static final int PARTICLE_STRUCT_U1 = 5;
+ private static final int PARTICLE_STRUCT_U2 = 6;
+
+ private static final int RSID_PARTICLES_BUFFER = 2;
+
+ private Resources mResources;
+ private RenderScript mRS;
+
+ private final BitmapFactory.Options mOptionsARGB = new BitmapFactory.Options();
+
+ private final int mWidth;
+ private final int mHeight;
+
+ private ScriptC mScript;
+ private Sampler mSampler;
+ private Sampler mLightSampler;
+ private ProgramFragment mPfBackground;
+ private ProgramFragment mPfLighting;
+ private ProgramStore mPfsBackground;
+ private ProgramStore mPfsLights;
+ private ProgramVertex mPvBackground;
+ private ProgramVertex.MatrixAllocation mPvOrthoAlloc;
+
+ private Allocation[] mTextures;
+
+ private Allocation mState;
+ private Allocation mParticles;
+ private Allocation mParticlesBuffer;
+ private SimpleMesh mParticlesMesh;
+
+ public GalaxyRS(int width, int height) {
+ mWidth = width;
+ mHeight = height;
+ mOptionsARGB.inScaled = false;
+ mOptionsARGB.inPreferredConfig = Bitmap.Config.ARGB_8888;
+ }
+
+ public void init(RenderScript rs, Resources res) {
+ mRS = rs;
+ mResources = res;
+ initRS();
+ }
+
+ public void destroy() {
+ mScript.destroy();
+ mSampler.destroy();
+ mLightSampler.destroy();
+ mPfBackground.destroy();
+ mPfsBackground.destroy();
+ mPvBackground.destroy();
+ mPvOrthoAlloc.mAlloc.destroy();
+ for (Allocation a : mTextures) {
+ a.destroy();
+ }
+ mState.destroy();
+ mPfLighting.destroy();
+ mParticles.destroy();
+ mPfsLights.destroy();
+ mParticlesMesh.destroy();
+ mParticlesBuffer.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.galaxy);
+ 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(mParticles, RSID_PARTICLES);
+ mScript.bindAllocation(mParticlesBuffer, RSID_PARTICLES_BUFFER);
+
+ mRS.contextBindRootScript(mScript);
+ }
+
+ private void createScriptStructures() {
+ createState();
+ createParticles();
+ createParticlesMesh();
+ }
+
+ private void createParticlesMesh() {
+ final Element.Builder elementBuilder = new Element.Builder(mRS);
+ elementBuilder.add(Element.DataType.UNSIGNED, Element.DataKind.RED, true, 8);
+ elementBuilder.add(Element.DataType.UNSIGNED, Element.DataKind.GREEN, true, 8);
+ elementBuilder.add(Element.DataType.UNSIGNED, Element.DataKind.BLUE, true, 8);
+ elementBuilder.add(Element.DataType.UNSIGNED, Element.DataKind.ALPHA, true, 8);
+ elementBuilder.add(Element.DataType.FLOAT, Element.DataKind.X, false, 32);
+ elementBuilder.add(Element.DataType.FLOAT, Element.DataKind.Y, false, 32);
+ elementBuilder.add(Element.DataType.FLOAT, Element.DataKind.Z, false, 32);
+ elementBuilder.add(Element.DataType.FLOAT, Element.DataKind.S, false, 32);
+ elementBuilder.add(Element.DataType.FLOAT, Element.DataKind.T, false, 32);
+ final Element vertexElement = elementBuilder.create();
+
+ final SimpleMesh.Builder meshBuilder = new SimpleMesh.Builder(mRS);
+ final int vertexSlot = meshBuilder.addVertexType(vertexElement, PARTICLES_COUNT * 3);
+ meshBuilder.setPrimitive(Primitive.TRIANGLE);
+ mParticlesMesh = meshBuilder.create();
+ mParticlesMesh.setName("MParticles");
+
+ mParticlesBuffer = mParticlesMesh.createVertexAllocation(vertexSlot);
+ mParticlesBuffer.setName("BParticles");
+ mParticlesMesh.bindVertexAllocation(mParticlesBuffer, 0);
+ }
+
+ private void createParticles() {
+ final float[] particles = new float[PARTICLES_COUNT * PARTICLE_STRUCT_FIELDS_COUNT];
+ mParticles = Allocation.createSized(mRS, USER_FLOAT, particles.length);
+ for (int i = 0; i < particles.length; i += PARTICLE_STRUCT_FIELDS_COUNT) {
+ createParticle(particles, i);
+ }
+ mParticles.data(particles);
+ }
+
+ private void createState() {
+ final int[] data = new int[5];
+
+ mState = Allocation.createSized(mRS, USER_I32, data.length);
+ data[RSID_STATE_FRAMECOUNT] = 0;
+ data[RSID_STATE_WIDTH] = mWidth;
+ data[RSID_STATE_HEIGHT] = mHeight;
+ data[RSID_STATE_PARTICLES_COUNT] = PARTICLES_COUNT;
+ data[RSID_STATE_GALAXY_RADIUS] = GALAXY_RADIUS;
+ mState.data(data);
+ }
+
+ @SuppressWarnings({"PointlessArithmeticExpression"})
+ private void createParticle(float[] particles, int index) {
+ int sprite = random(PARTICLES_TEXTURES_COUNT);
+ float d = abs(randomGauss()) * GALAXY_RADIUS / 2.0f;
+
+ particles[index + PARTICLE_STRUCT_ANGLE] = random(0.0f, (float) (Math.PI * 2.0));
+ particles[index + PARTICLE_STRUCT_DISTANCE] = d;
+ particles[index + PARTICLE_STRUCT_SPEED] = random(0.0015f, 0.0025f);
+ particles[index + PARTICLE_STRUCT_Z] = randomGauss() * GALAXY_HEIGHT *
+ (GALAXY_RADIUS - d) / (float) GALAXY_RADIUS;
+ particles[index + PARTICLE_STRUCT_RADIUS] = random(3.0f, 7.5f);
+ particles[index + PARTICLE_STRUCT_U1] = sprite / (float) PARTICLES_TEXTURES_COUNT;
+ particles[index + PARTICLE_STRUCT_U2] = (sprite + 1) / (float) PARTICLES_TEXTURES_COUNT;
+ }
+
+ private static float randomGauss() {
+ float x1;
+ float x2;
+ float w;
+
+ do {
+ x1 = 2.0f * random(0.0f, 1.0f) - 1.0f;
+ x2 = 2.0f * random(0.0f, 1.0f) - 1.0f;
+ w = x1 * x1 + x2 * x2;
+ } while (w >= 1.0f);
+
+ w = (float) Math.sqrt(-2.0 * log(w) / w);
+ return x1 * w;
+ }
+
+ private void loadTextures() {
+ mTextures = new Allocation[TEXTURES_COUNT];
+
+ final Allocation[] textures = mTextures;
+ textures[RSID_TEXTURE_SPACE] = loadTexture(R.drawable.space, "TSpace");
+ textures[RSID_TEXTURE_LIGHT1] = loadTextureARGB(R.drawable.light1, "TLight1");
+ textures[RSID_TEXTURE_LIGHT2] = loadTextureARGB(R.drawable.light2, "TLight2");
+ textures[RSID_TEXTURE_FLARES] = loadTextureARGB(R.drawable.flares, "TFlares");
+
+ final int count = textures.length;
+ for (int i = 0; i < count; i++) {
+ final Allocation texture = textures[i];
+ texture.uploadToTexture(0);
+ }
+ }
+
+ private Allocation loadTexture(int id, String name) {
+ final Allocation allocation = Allocation.createFromBitmapResource(mRS, mResources,
+ id, RGB_565, false);
+ allocation.setName(name);
+ return allocation;
+ }
+
+ private Allocation loadTextureARGB(int id, String name) {
+ Bitmap b = BitmapFactory.decodeResource(mResources, id, mOptionsARGB);
+ final Allocation allocation = Allocation.createFromBitmap(mRS, b, RGBA_8888, false);
+ allocation.setName(name);
+ return allocation;
+ }
+
+ private void createProgramFragment() {
+ Sampler.Builder sampleBuilder = new Sampler.Builder(mRS);
+ sampleBuilder.setMin(LINEAR);
+ sampleBuilder.setMag(LINEAR);
+ sampleBuilder.setWrapS(WRAP);
+ sampleBuilder.setWrapT(WRAP);
+ mSampler = sampleBuilder.create();
+
+ ProgramFragment.Builder builder = new ProgramFragment.Builder(mRS, null, null);
+ builder.setTexEnable(true, 0);
+ builder.setTexEnvMode(REPLACE, 0);
+ mPfBackground = builder.create();
+ mPfBackground.setName("PFBackground");
+ mPfBackground.bindSampler(mSampler, 0);
+
+ sampleBuilder = new Sampler.Builder(mRS);
+ sampleBuilder.setMin(LINEAR);
+ sampleBuilder.setMag(LINEAR);
+ sampleBuilder.setWrapS(CLAMP);
+ sampleBuilder.setWrapT(CLAMP);
+ mLightSampler = sampleBuilder.create();
+
+ builder = new ProgramFragment.Builder(mRS, null, null);
+ builder.setTexEnable(true, 0);
+ builder.setTexEnvMode(MODULATE, 0);
+ mPfLighting = builder.create();
+ mPfLighting.setName("PFLighting");
+ mPfLighting.bindSampler(mLightSampler, 0);
+ }
+
+ private void createProgramFragmentStore() {
+ ProgramStore.Builder builder = new ProgramStore.Builder(mRS, null, null);
+ builder.setDepthFunc(ALWAYS);
+ builder.setBlendFunc(BlendSrcFunc.SRC_ALPHA, BlendDstFunc.ONE_MINUS_SRC_ALPHA);
+ builder.setDitherEnable(false);
+ builder.setDepthMask(true);
+ mPfsBackground = builder.create();
+ mPfsBackground.setName("PFSBackground");
+
+ builder = new ProgramStore.Builder(mRS, null, null);
+ builder.setDepthFunc(ALWAYS);
+ builder.setBlendFunc(BlendSrcFunc.ONE, BlendDstFunc.ONE);
+ builder.setDitherEnable(false);
+ builder.setDepthMask(true);
+ mPfsLights = builder.create();
+ mPfsLights.setName("PFSLights");
+ }
+
+ private void createProgramVertex() {
+ mPvOrthoAlloc = new ProgramVertex.MatrixAllocation(mRS);
+ //mPvOrthoAlloc.setupProjectionNormalized(mWidth, mHeight);
+ mPvOrthoAlloc.setupOrthoWindow(mWidth, mHeight);
+
+ ProgramVertex.Builder builder = new ProgramVertex.Builder(mRS, null, null);
+ builder.setTextureMatrixEnable(true);
+ mPvBackground = builder.create();
+ mPvBackground.bindAllocation(mPvOrthoAlloc);
+ mPvBackground.setName("PVBackground");
+ }
+}
diff --git a/libs/rs/java/Galaxy/src/com/android/galaxy/rs/GalaxyView.java b/libs/rs/java/Galaxy/src/com/android/galaxy/rs/GalaxyView.java
new file mode 100644
index 0000000..341293b
--- /dev/null
+++ b/libs/rs/java/Galaxy/src/com/android/galaxy/rs/GalaxyView.java
@@ -0,0 +1,45 @@
+/*
+ * 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.galaxy.rs;
+
+import android.content.Context;
+import android.view.SurfaceHolder;
+import android.renderscript.RenderScript;
+import android.renderscript.RSSurfaceView;
+
+class GalaxyView extends RSSurfaceView {
+ private GalaxyRS mRender;
+
+ public GalaxyView(Context context) {
+ super(context);
+ setFocusable(true);
+ setFocusableInTouchMode(true);
+ }
+
+ public void surfaceChanged(SurfaceHolder holder, int format, int w, int h) {
+ super.surfaceChanged(holder, format, w, h);
+
+ RenderScript RS = createRenderScript();
+ mRender = new GalaxyRS(w, h);
+ mRender.init(RS, getResources());
+ }
+
+ @Override
+ public void surfaceDestroyed(SurfaceHolder holder) {
+ if (mRender != null) mRender.destroy();
+ }
+}