| /* |
| * Copyright (C) 2008 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.fountain; |
| |
| import java.io.Writer; |
| |
| import android.content.Context; |
| import android.content.res.Resources; |
| import android.graphics.Bitmap; |
| import android.graphics.drawable.BitmapDrawable; |
| import android.graphics.drawable.Drawable; |
| import android.renderscript.*; |
| import android.util.Log; |
| |
| |
| public class FountainRS { |
| public static final int PART_COUNT = 4000; |
| |
| static class SomeData { |
| public int x; |
| public int y; |
| public int touch; |
| public int rate; |
| public int count; |
| } |
| |
| public FountainRS() { |
| } |
| |
| public void init(RenderScript rs, Resources res, int width, int height) { |
| mRS = rs; |
| mRes = res; |
| initRS(); |
| } |
| |
| public void newTouchPosition(int x, int y) { |
| mSD.touch = 1; |
| mSD.x = x; |
| mSD.y = y; |
| mIntAlloc.data(mSD); |
| } |
| |
| |
| ///////////////////////////////////////// |
| |
| private Resources mRes; |
| |
| private RenderScript mRS; |
| private Allocation mIntAlloc; |
| private Allocation mPartAlloc; |
| private Allocation mVertAlloc; |
| private Script mScript; |
| private ProgramStore mPFS; |
| private ProgramFragment mPF; |
| private SimpleMesh mSM; |
| |
| private Bitmap mBackground; |
| |
| SomeData mSD = new SomeData(); |
| private Type mSDType; |
| |
| private void initRS() { |
| mSD = new SomeData(); |
| mSDType = Type.createFromClass(mRS, SomeData.class, 1, "SomeData"); |
| mIntAlloc = Allocation.createTyped(mRS, mSDType); |
| mVertAlloc = Allocation.createSized(mRS, Element.USER_I32, PART_COUNT * 5 + 1); |
| |
| ProgramStore.Builder bs = new ProgramStore.Builder(mRS, null, null); |
| bs.setBlendFunc(ProgramStore.BlendSrcFunc.SRC_ALPHA, ProgramStore.BlendDstFunc.ONE); |
| bs.setDepthFunc(ProgramStore.DepthFunc.ALWAYS); |
| bs.setDepthMask(false); |
| bs.setDitherEnable(false); |
| mPFS = bs.create(); |
| mPFS.setName("PFSBlend"); |
| |
| ProgramFragment.Builder bf = new ProgramFragment.Builder(mRS, null, null); |
| mPF = bf.create(); |
| mPF.setName("PgmFragParts"); |
| |
| mSD.count = PART_COUNT; |
| mIntAlloc.data(mSD); |
| |
| Element.Builder eb = new Element.Builder(mRS); |
| eb.add(Element.DataType.UNSIGNED, Element.DataKind.RED, true, 8); |
| eb.add(Element.DataType.UNSIGNED, Element.DataKind.GREEN, true, 8); |
| eb.add(Element.DataType.UNSIGNED, Element.DataKind.BLUE, true, 8); |
| eb.add(Element.DataType.UNSIGNED, Element.DataKind.ALPHA, true, 8); |
| eb.add(Element.DataType.FLOAT, Element.DataKind.X, false, 32); |
| eb.add(Element.DataType.FLOAT, Element.DataKind.Y, false, 32); |
| Element primElement = eb.create(); |
| |
| SimpleMesh.Builder smb = new SimpleMesh.Builder(mRS); |
| int vtxSlot = smb.addVertexType(primElement, PART_COUNT * 3); |
| smb.setPrimitive(Primitive.TRIANGLE); |
| mSM = smb.create(); |
| mSM.setName("PartMesh"); |
| |
| mPartAlloc = mSM.createVertexAllocation(vtxSlot); |
| mPartAlloc.setName("PartBuffer"); |
| mSM.bindVertexAllocation(mPartAlloc, 0); |
| |
| // All setup of named objects should be done by this point |
| // because we are about to compile the script. |
| ScriptC.Builder sb = new ScriptC.Builder(mRS); |
| sb.setScript(mRes, R.raw.fountain); |
| sb.setRoot(true); |
| sb.addType(mSDType); |
| mScript = sb.create(); |
| mScript.setClearColor(0.0f, 0.0f, 0.0f, 1.0f); |
| |
| mScript.bindAllocation(mIntAlloc, 0); |
| mScript.bindAllocation(mPartAlloc, 1); |
| mScript.bindAllocation(mVertAlloc, 2); |
| mRS.contextBindRootScript(mScript); |
| } |
| |
| } |
| |
| |