| /* |
| * Copyright (C) 2011 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.scenegraph; |
| |
| import java.lang.Math; |
| import java.util.ArrayList; |
| |
| import com.android.scenegraph.Scene; |
| import com.android.scenegraph.SceneManager; |
| |
| import android.renderscript.Element; |
| import android.renderscript.Float4; |
| import android.renderscript.Matrix4f; |
| import android.renderscript.ProgramFragment; |
| import android.renderscript.ProgramStore; |
| import android.renderscript.ProgramVertex; |
| import android.renderscript.RenderScriptGL; |
| import android.util.Log; |
| |
| /** |
| * @hide |
| */ |
| public class Float4Param extends ShaderParam { |
| private static String TAG = "Float4Param"; |
| |
| LightBase mLight; |
| |
| public Float4Param(String name) { |
| super(name); |
| } |
| |
| public Float4Param(String name, float x) { |
| super(name); |
| set(x, 0, 0, 0); |
| } |
| |
| public Float4Param(String name, float x, float y) { |
| super(name); |
| set(x, y, 0, 0); |
| } |
| |
| public Float4Param(String name, float x, float y, float z) { |
| super(name); |
| set(x, y, z, 0); |
| } |
| |
| public Float4Param(String name, float x, float y, float z, float w) { |
| super(name); |
| set(x, y, z, w); |
| } |
| |
| void set(float x, float y, float z, float w) { |
| mData.float_value.x = x; |
| mData.float_value.y = y; |
| mData.float_value.z = z; |
| mData.float_value.w = w; |
| if (mField != null) { |
| mField.set_float_value(0, mData.float_value, true); |
| } |
| incTimestamp(); |
| } |
| |
| public void setValue(Float4 v) { |
| set(v.x, v.y, v.z, v.w); |
| } |
| |
| public Float4 getValue() { |
| return mData.float_value; |
| } |
| |
| public void setLight(LightBase l) { |
| mLight = l; |
| if (mField != null) { |
| mData.light = mLight.getRSData().getAllocation(); |
| mField.set_light(0, mData.light, true); |
| } |
| incTimestamp(); |
| } |
| |
| boolean findLight(String property) { |
| String indexStr = mParamName.substring(property.length() + 1); |
| if (indexStr == null) { |
| Log.e(TAG, "Invalid light index."); |
| return false; |
| } |
| int index = Integer.parseInt(indexStr); |
| if (index == -1) { |
| return false; |
| } |
| Scene parentScene = SceneManager.getInstance().getActiveScene(); |
| ArrayList<LightBase> allLights = parentScene.getLights(); |
| if (index >= allLights.size()) { |
| return false; |
| } |
| mLight = allLights.get(index); |
| if (mLight == null) { |
| return false; |
| } |
| return true; |
| } |
| |
| int getTypeFromName() { |
| int paramType = ScriptC_export.const_ShaderParam_FLOAT4_DATA; |
| if (mParamName.equalsIgnoreCase(cameraPos)) { |
| paramType = ScriptC_export.const_ShaderParam_FLOAT4_CAMERA_POS; |
| } else if(mParamName.equalsIgnoreCase(cameraDir)) { |
| paramType = ScriptC_export.const_ShaderParam_FLOAT4_CAMERA_DIR; |
| } else if(mParamName.startsWith(lightColor) && findLight(lightColor)) { |
| paramType = ScriptC_export.const_ShaderParam_FLOAT4_LIGHT_COLOR; |
| } else if(mParamName.startsWith(lightPos) && findLight(lightPos)) { |
| paramType = ScriptC_export.const_ShaderParam_FLOAT4_LIGHT_POS; |
| } else if(mParamName.startsWith(lightDir) && findLight(lightDir)) { |
| paramType = ScriptC_export.const_ShaderParam_FLOAT4_LIGHT_DIR; |
| } |
| return paramType; |
| } |
| |
| void initLocalData() { |
| mData.type = getTypeFromName(); |
| if (mCamera != null) { |
| mData.camera = mCamera.getRSData().getAllocation(); |
| } |
| if (mLight != null) { |
| mData.light = mLight.getRSData().getAllocation(); |
| } |
| } |
| } |
| |
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