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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 ProgramFragment extends BaseObj {
public static final int MAX_SLOT = 2;
public enum EnvMode {
REPLACE (0),
MODULATE (1),
DECAL (2);
int mID;
EnvMode(int id) {
mID = id;
}
}
ProgramFragment(int id, RenderScript rs) {
super(rs);
mID = id;
}
public void bindTexture(Allocation va, int slot)
throws IllegalArgumentException {
mRS.validate();
if((slot < 0) || (slot >= MAX_SLOT)) {
throw new IllegalArgumentException("Slot ID out of range.");
}
mRS.nProgramFragmentBindTexture(mID, slot, va.mID);
}
public void bindSampler(Sampler vs, int slot)
throws IllegalArgumentException {
mRS.validate();
if((slot < 0) || (slot >= MAX_SLOT)) {
throw new IllegalArgumentException("Slot ID out of range.");
}
mRS.nProgramFragmentBindSampler(mID, slot, vs.mID);
}
public static class Builder {
RenderScript mRS;
Element mIn;
Element mOut;
boolean mPointSpriteEnable;
private class Slot {
Type mType;
EnvMode mEnv;
boolean mTexEnable;
Slot() {
mTexEnable = false;
}
}
Slot[] mSlots;
public Builder(RenderScript rs, Element in, Element out) {
mRS = rs;
mIn = in;
mOut = out;
mSlots = new Slot[MAX_SLOT];
mPointSpriteEnable = false;
for(int ct=0; ct < MAX_SLOT; ct++) {
mSlots[ct] = new Slot();
}
}
public void setType(int slot, Type t)
throws IllegalArgumentException {
if((slot < 0) || (slot >= MAX_SLOT)) {
throw new IllegalArgumentException("Slot ID out of range.");
}
mSlots[slot].mType = t;
}
public void setTexEnable(boolean enable, int slot)
throws IllegalArgumentException {
if((slot < 0) || (slot >= MAX_SLOT)) {
throw new IllegalArgumentException("Slot ID out of range.");
}
mSlots[slot].mTexEnable = enable;
}
public void setTexEnvMode(EnvMode env, int slot)
throws IllegalArgumentException {
if((slot < 0) || (slot >= MAX_SLOT)) {
throw new IllegalArgumentException("Slot ID out of range.");
}
mSlots[slot].mEnv = env;
}
public void setPointSpriteTexCoordinateReplacement(boolean enable) {
mPointSpriteEnable = enable;
}
static synchronized ProgramFragment internalCreate(RenderScript rs, Builder b) {
int inID = 0;
int outID = 0;
if (b.mIn != null) {
inID = b.mIn.mID;
}
if (b.mOut != null) {
outID = b.mOut.mID;
}
rs.nProgramFragmentBegin(inID, outID, b.mPointSpriteEnable);
for(int ct=0; ct < MAX_SLOT; ct++) {
if(b.mSlots[ct].mTexEnable) {
Slot s = b.mSlots[ct];
int typeID = 0;
if(s.mType != null) {
typeID = s.mType.mID;
}
rs.nProgramFragmentSetSlot(ct, true, s.mEnv.mID, typeID);
}
}
int id = rs.nProgramFragmentCreate();
return new ProgramFragment(id, rs);
}
public ProgramFragment create() {
mRS.validate();
return internalCreate(mRS, this);
}
}
}
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