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Android example source code file (Program.java)

This example Android source code file (Program.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Android by Example" TM.

Java - Android tags/keywords

android, baseobj, baseprogrambuilder, element, illegalargumentexception, illegalstateexception, max, max_constant, max_input, max_output, program, renderscript, slot, string, type, util, utilities, utils

The Program.java Android example source code

/*
 * 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 android.util.Config;
import android.util.Log;


/**
 * @hide
 *
 **/
public class Program extends BaseObj {
    public static final int MAX_INPUT = 8;
    public static final int MAX_OUTPUT = 8;
    public static final int MAX_CONSTANT = 8;
    public static final int MAX_TEXTURE = 8;

    Element mInputs[];
    Element mOutputs[];
    Type mConstants[];
    int mTextureCount;
    String mShader;

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

    public void bindConstants(Allocation a, int slot) {
        mRS.nProgramBindConstants(mID, slot, a.mID);
    }

    public void bindTexture(Allocation va, int slot)
        throws IllegalArgumentException {
        mRS.validate();
        if((slot < 0) || (slot >= mTextureCount)) {
            throw new IllegalArgumentException("Slot ID out of range.");
        }

        mRS.nProgramBindTexture(mID, slot, va.mID);
    }

    public void bindSampler(Sampler vs, int slot)
        throws IllegalArgumentException {
        mRS.validate();
        if((slot < 0) || (slot >= mTextureCount)) {
            throw new IllegalArgumentException("Slot ID out of range.");
        }

        mRS.nProgramBindSampler(mID, slot, vs.mID);
    }


    public static class BaseProgramBuilder {
        RenderScript mRS;
        Element mInputs[];
        Element mOutputs[];
        Type mConstants[];
        Type mTextures[];
        int mInputCount;
        int mOutputCount;
        int mConstantCount;
        int mTextureCount;
        String mShader;


        protected BaseProgramBuilder(RenderScript rs) {
            mRS = rs;
            mInputs = new Element[MAX_INPUT];
            mOutputs = new Element[MAX_OUTPUT];
            mConstants = new Type[MAX_CONSTANT];
            mInputCount = 0;
            mOutputCount = 0;
            mConstantCount = 0;
            mTextureCount = 0;
        }

        public void setShader(String s) {
            mShader = s;
        }

        public void addInput(Element e) throws IllegalStateException {
            // Should check for consistant and non-conflicting names...
            if(mInputCount >= MAX_INPUT) {
                throw new IllegalArgumentException("Max input count exceeded.");
            }
            mInputs[mInputCount++] = e;
        }

        public void addOutput(Element e) throws IllegalStateException {
            // Should check for consistant and non-conflicting names...
            if(mOutputCount >= MAX_OUTPUT) {
                throw new IllegalArgumentException("Max output count exceeded.");
            }
            mOutputs[mOutputCount++] = e;
        }

        public int addConstant(Type t) throws IllegalStateException {
            // Should check for consistant and non-conflicting names...
            if(mConstantCount >= MAX_CONSTANT) {
                throw new IllegalArgumentException("Max input count exceeded.");
            }
            mConstants[mConstantCount] = t;
            return mConstantCount++;
        }

        public void setTextureCount(int count) throws IllegalArgumentException {
            // Should check for consistant and non-conflicting names...
            if(count >= MAX_CONSTANT) {
                throw new IllegalArgumentException("Max texture count exceeded.");
            }
            mTextureCount = count;
        }

        protected void initProgram(Program p) {
            p.mInputs = new Element[mInputCount];
            System.arraycopy(mInputs, 0, p.mInputs, 0, mInputCount);
            p.mOutputs = new Element[mOutputCount];
            System.arraycopy(mOutputs, 0, p.mOutputs, 0, mOutputCount);
            p.mConstants = new Type[mConstantCount];
            System.arraycopy(mConstants, 0, p.mConstants, 0, mConstantCount);
            p.mTextureCount = mTextureCount;
        }
    }

}


Other Android examples (source code examples)

Here is a short list of links related to this Android Program.java source code file:

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