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/*
* 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 java.util.HashMap;
import com.android.scenegraph.SceneGraphBase;
import com.android.scenegraph.ShaderParam;
import android.renderscript.*;
import android.renderscript.ProgramFragment.Builder;
import android.util.Log;
/**
* @hide
*/
public abstract class Shader extends SceneGraphBase {
protected Type mPerObjConstants;
protected Type mPerShaderConstants;
protected HashMap<String, ShaderParam> mSourceParams;
protected ArrayList<String> mShaderTextureNames;
protected ArrayList<Program.TextureType > mShaderTextureTypes;
protected ArrayList<String> mTextureNames;
protected ArrayList<Program.TextureType > mTextureTypes;
protected Allocation mConstantBuffer;
protected ScriptField_ShaderParam_s mConstantBufferParams;
public Shader() {
mSourceParams = new HashMap<String, ShaderParam>();
mShaderTextureNames = new ArrayList<String>();
mShaderTextureTypes = new ArrayList<Program.TextureType>();
mTextureNames = new ArrayList<String>();
mTextureTypes = new ArrayList<Program.TextureType>();
}
public void appendSourceParams(ShaderParam p) {
mSourceParams.put(p.getParamName(), p);
}
public Type getObjectConstants() {
return mPerObjConstants;
}
public Type getShaderConstants() {
return mPerObjConstants;
}
void linkConstants(RenderScriptGL rs) {
if (mPerShaderConstants == null) {
return;
}
Element constElem = mPerShaderConstants.getElement();
mConstantBufferParams = ShaderParam.fillInParams(constElem, mSourceParams, null);
mConstantBuffer = Allocation.createTyped(rs, mPerShaderConstants);
}
}
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