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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 SimpleMesh extends BaseObj {
Type[] mVertexTypes;
Type mIndexType;
//Type mBatcheType;
Primitive mPrimitive;
SimpleMesh(int id, RenderScript rs) {
super(rs);
mID = id;
}
public void destroy() {
if(mDestroyed) {
throw new IllegalStateException("Object already destroyed.");
}
mDestroyed = true;
mRS.nSimpleMeshDestroy(mID);
}
public void bindVertexAllocation(Allocation a, int slot) {
mRS.nSimpleMeshBindVertex(mID, a.mID, slot);
}
public void bindIndexAllocation(Allocation a) {
mRS.nSimpleMeshBindIndex(mID, a.mID);
}
public Allocation createVertexAllocation(int slot) {
return Allocation.createTyped(mRS, mVertexTypes[slot]);
}
public Allocation createIndexAllocation() {
return Allocation.createTyped(mRS, mIndexType);
}
public static class Builder {
RenderScript mRS;
class Entry {
Type t;
Element e;
int size;
}
int mVertexTypeCount;
Entry[] mVertexTypes;
Entry mIndexType;
//Entry mBatchType;
Primitive mPrimitive;
public Builder(RenderScript rs) {
mRS = rs;
mVertexTypeCount = 0;
mVertexTypes = new Entry[16];
mIndexType = new Entry();
}
public int addVertexType(Type t) throws IllegalStateException {
if(mVertexTypeCount >= mVertexTypes.length) {
throw new IllegalStateException("Max vertex types exceeded.");
}
int addedIndex = mVertexTypeCount;
mVertexTypes[mVertexTypeCount] = new Entry();
mVertexTypes[mVertexTypeCount].t = t;
mVertexTypeCount++;
return addedIndex;
}
public int addVertexType(Element e, int size) throws IllegalStateException {
if(mVertexTypeCount >= mVertexTypes.length) {
throw new IllegalStateException("Max vertex types exceeded.");
}
int addedIndex = mVertexTypeCount;
mVertexTypes[mVertexTypeCount] = new Entry();
mVertexTypes[mVertexTypeCount].e = e;
mVertexTypes[mVertexTypeCount].size = size;
mVertexTypeCount++;
return addedIndex;
}
public void setIndexType(Type t) {
mIndexType.t = t;
mIndexType.e = null;
mIndexType.size = 0;
}
public void setIndexType(Element e, int size) {
mIndexType.t = null;
mIndexType.e = e;
mIndexType.size = size;
}
public void setPrimitive(Primitive p) {
mPrimitive = p;
}
Type newType(Element e, int size) {
Type.Builder tb = new Type.Builder(mRS, e);
tb.add(Dimension.X, size);
return tb.create();
}
static synchronized SimpleMesh internalCreate(RenderScript rs, Builder b) {
Type[] toDestroy = new Type[18];
int toDestroyCount = 0;
int indexID = 0;
if(b.mIndexType.t != null) {
indexID = b.mIndexType.t.mID;
} else if(b.mIndexType.size != 0) {
b.mIndexType.t = b.newType(b.mIndexType.e, b.mIndexType.size);
indexID = b.mIndexType.t.mID;
toDestroy[toDestroyCount++] = b.mIndexType.t;
}
int[] IDs = new int[b.mVertexTypeCount];
for(int ct=0; ct < b.mVertexTypeCount; ct++) {
if(b.mVertexTypes[ct].t != null) {
IDs[ct] = b.mVertexTypes[ct].t.mID;
} else {
b.mVertexTypes[ct].t = b.newType(b.mVertexTypes[ct].e, b.mVertexTypes[ct].size);
IDs[ct] = b.mVertexTypes[ct].t.mID;
toDestroy[toDestroyCount++] = b.mVertexTypes[ct].t;
}
}
int id = rs.nSimpleMeshCreate(0, indexID, IDs, b.mPrimitive.mID);
for(int ct=0; ct < toDestroyCount; ct++) {
toDestroy[ct].destroy();
}
return new SimpleMesh(id, rs);
}
public SimpleMesh create() {
Log.e("rs", "SimpleMesh create");
SimpleMesh sm = internalCreate(mRS, this);
sm.mVertexTypes = new Type[mVertexTypeCount];
for(int ct=0; ct < mVertexTypeCount; ct++) {
sm.mVertexTypes[ct] = mVertexTypes[ct].t;
}
sm.mIndexType = mIndexType.t;
sm.mPrimitive = mPrimitive;
return sm;
}
}
}
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