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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 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 void 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;
}
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;
}
}
}
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