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path: root/graphics/java/android/renderscript/Sampler.java
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/*
 * 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 android.renderscript;


import java.io.IOException;
import java.io.InputStream;

import android.content.res.Resources;
import android.os.Bundle;
import android.util.Config;
import android.util.Log;

import android.graphics.Bitmap;
import android.graphics.BitmapFactory;

/**
 * @hide
 *
 **/
public class Sampler extends BaseObj {
    public enum Value {
        NEAREST (0),
        LINEAR (1),
        LINEAR_MIP_LINEAR (2),
        WRAP (3),
        CLAMP (4);

        int mID;
        Value(int id) {
            mID = id;
        }
    }

    Sampler(int id, RenderScript rs) {
        super(rs);
        mID = id;
    }

    public static class Builder {
        RenderScript mRS;
        Value mMin;
        Value mMag;
        Value mWrapS;
        Value mWrapT;
        Value mWrapR;

        public Builder(RenderScript rs) {
            mRS = rs;
            mMin = Value.NEAREST;
            mMag = Value.NEAREST;
            mWrapS = Value.WRAP;
            mWrapT = Value.WRAP;
            mWrapR = Value.WRAP;
        }

        public void setMin(Value v) {
            mMin = v;
        }

        public void setMag(Value v) {
            mMag = v;
        }

        public void setWrapS(Value v) {
            mWrapS = v;
        }

        public void setWrapT(Value v) {
            mWrapT = v;
        }

        public void setWrapR(Value v) {
            mWrapR = v;
        }

        static synchronized Sampler internalCreate(RenderScript rs, Builder b) {
            rs.nSamplerBegin();
            rs.nSamplerSet(0, b.mMin.mID);
            rs.nSamplerSet(1, b.mMag.mID);
            rs.nSamplerSet(2, b.mWrapS.mID);
            rs.nSamplerSet(3, b.mWrapT.mID);
            rs.nSamplerSet(4, b.mWrapR.mID);
            int id = rs.nSamplerCreate();
            return new Sampler(id, rs);
        }

        public Sampler create() {
            return internalCreate(mRS, this);
        }
    }

}