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- Faster BatchNode

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git-svn-id: https://jmonkeyengine.googlecode.com/svn/trunk@8564 75d07b2b-3a1a-0410-a2c5-0572b91ccdca
3.0
rem..om 13 years ago
parent a5ff915fc1
commit 96acebfe4f
1 changed files with 112 additions and 53 deletions
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  1. 151
      engine/src/core/com/jme3/scene/BatchNode.java

151
engine/src/core/com/jme3/scene/BatchNode.java
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@ -80,6 +80,9 @@ public class BatchNode extends Node implements Savable {
* used to store transformed vectors before proceeding to a bulk put into the FloatBuffer
*/
private float[] tmpFloat;
private float[] tmpFloatN;
private float[] tmpFloatT;
/**
* Construct a batchNode
*/
@ -142,21 +145,23 @@ public class BatchNode extends Node implements Savable {
if (batch != null) {
Mesh mesh = batch.geometry.getMesh();
FloatBuffer buf = (FloatBuffer) mesh.getBuffer(VertexBuffer.Type.Position).getData();
doTransformVerts(buf, bg.startIndex, bg.startIndex + bg.getVertexCount(), buf, bg.cachedOffsetMat);
mesh.getBuffer(VertexBuffer.Type.Position).updateData(buf);
buf = (FloatBuffer) mesh.getBuffer(VertexBuffer.Type.Normal).getData();
doTransformNorm(buf, bg.startIndex, bg.startIndex + bg.getVertexCount(), buf, bg.cachedOffsetMat);
mesh.getBuffer(VertexBuffer.Type.Normal).updateData(buf);
VertexBuffer pvb = mesh.getBuffer(VertexBuffer.Type.Position);
FloatBuffer posBuf = (FloatBuffer) pvb.getData();
VertexBuffer nvb = mesh.getBuffer(VertexBuffer.Type.Normal);
FloatBuffer normBuf = (FloatBuffer) nvb.getData();
if (mesh.getBuffer(VertexBuffer.Type.Tangent) != null) {
buf = (FloatBuffer) mesh.getBuffer(VertexBuffer.Type.Tangent).getData();
doTransformNorm(buf, bg.startIndex, bg.startIndex + bg.getVertexCount(), buf, bg.cachedOffsetMat);
mesh.getBuffer(VertexBuffer.Type.Tangent).updateData(buf);
VertexBuffer tvb = mesh.getBuffer(VertexBuffer.Type.Tangent);
FloatBuffer tanBuf = (FloatBuffer) tvb.getData();
doTransformsTangents(posBuf, normBuf, tanBuf, bg.startIndex, bg.startIndex + bg.getVertexCount(), bg.cachedOffsetMat);
tvb.updateData(tanBuf);
} else {
doTransforms(posBuf, normBuf, bg.startIndex, bg.startIndex + bg.getVertexCount(), bg.cachedOffsetMat);
}
pvb.updateData(posBuf);
nvb.updateData(normBuf);
batch.needMeshUpdate = true;
}
@ -351,13 +356,16 @@ public class BatchNode extends Node implements Savable {
int totalVerts = 0;
int totalTris = 0;
int totalLodLevels = 0;
int maxVertCount = 0;
Mesh.Mode mode = null;
for (Geometry geom : geometries) {
totalVerts += geom.getVertexCount();
totalTris += geom.getTriangleCount();
totalLodLevels = Math.min(totalLodLevels, geom.getMesh().getNumLodLevels());
if (maxVertCount < geom.getVertexCount()) {
maxVertCount = geom.getVertexCount();
}
Mesh.Mode listMode;
int components;
switch (geom.getMesh().getMode()) {
@ -403,8 +411,6 @@ public class BatchNode extends Node implements Savable {
formatForBuf[VertexBuffer.Type.Index.ordinal()] = VertexBuffer.Format.UnsignedShort;
}
int maxElemCount = 0;
int elements = 0;
// generate output buffers based on retrieved info
for (int i = 0; i < compsForBuf.length; i++) {
if (compsForBuf[i] == 0) {
@ -414,15 +420,10 @@ public class BatchNode extends Node implements Savable {
Buffer data;
if (i == VertexBuffer.Type.Index.ordinal()) {
data = VertexBuffer.createBuffer(formatForBuf[i], compsForBuf[i], totalTris);
elements = compsForBuf[i]* totalTris;
} else {
data = VertexBuffer.createBuffer(formatForBuf[i], compsForBuf[i], totalVerts);
elements = compsForBuf[i]* totalVerts;
}
if(maxElemCount<elements){
maxElemCount = elements;
}
VertexBuffer vb = new VertexBuffer(VertexBuffer.Type.values()[i]);
vb.setupData(VertexBuffer.Usage.Dynamic, compsForBuf[i], formatForBuf[i], data);
outMesh.setBuffer(vb);
@ -478,68 +479,126 @@ public class BatchNode extends Node implements Savable {
globalVertIndex += geomVertCount;
globalTriIndex += geomTriCount;
}
tmpFloat = new float[maxElemCount];
tmpFloat = new float[maxVertCount * 3];
tmpFloatN = new float[maxVertCount * 3];
tmpFloatT = new float[maxVertCount * 4];
}
private void doTransformVerts(FloatBuffer inBuf, int start, int end, FloatBuffer outBuf, Matrix4f transform) {
private void doTransforms(FloatBuffer bufPos, FloatBuffer bufNorm, int start, int end, Matrix4f transform) {
TempVars vars = TempVars.get();
Vector3f pos = vars.vect1;
Vector3f norm = vars.vect2;
int length = (end - start) * 3;
// offset is given in element units
// convert to be in component units
int offset = start * 3;
for (int i = start; i < end; i++) {
int index = i * 3;
pos.x = inBuf.get(index);
pos.y = inBuf.get(index + 1);
pos.z = inBuf.get(index + 2);
bufPos.position(offset);
bufNorm.position(offset);
bufPos.get(tmpFloat, 0, length);
bufNorm.get(tmpFloatN, 0, length);
int index = 0;
while (index < length) {
pos.x = tmpFloat[index];
norm.x = tmpFloatN[index++];
pos.y = tmpFloat[index];
norm.y = tmpFloatN[index++];
pos.z = tmpFloat[index];
norm.z = tmpFloatN[index];
transform.mult(pos, pos);
index -= offset;
transform.multNormal(norm, norm);
index -= 2;
tmpFloat[index] = pos.x;
tmpFloat[index + 1] = pos.y;
tmpFloat[index + 2] = pos.z;
tmpFloatN[index++] = norm.x;
tmpFloat[index] = pos.y;
tmpFloatN[index++] = norm.y;
tmpFloat[index] = pos.z;
tmpFloatN[index++] = norm.z;
}
vars.release();
outBuf.position(offset);
bufPos.position(offset);
//using bulk put as it's faster
bufPos.put(tmpFloat, 0, length);
bufNorm.position(offset);
//using bulk put as it's faster
outBuf.put(tmpFloat, 0, length);
bufNorm.put(tmpFloatN, 0, length);
}
private void doTransformNorm(FloatBuffer inBuf, int start, int end, FloatBuffer outBuf, Matrix4f transform) {
private void doTransformsTangents(FloatBuffer bufPos, FloatBuffer bufNorm, FloatBuffer bufTangents, int start, int end, Matrix4f transform) {
TempVars vars = TempVars.get();
Vector3f pos = vars.vect1;
int length = (end - start) * 3;
Vector3f norm = vars.vect2;
Vector3f tan = vars.vect3;
int length = (end - start) * 3;
int tanLength = (end - start) * 4;
// offset is given in element units
// convert to be in component units
int offset = start * 3;
int tanOffset = start * 4;
bufPos.position(offset);
bufNorm.position(offset);
bufTangents.position(tanOffset);
bufPos.get(tmpFloat, 0, length);
bufNorm.get(tmpFloatN, 0, length);
bufTangents.get(tmpFloatT, 0, tanLength);
int index = 0;
int tanIndex = 0;
while (index < length) {
pos.x = tmpFloat[index];
norm.x = tmpFloatN[index++];
pos.y = tmpFloat[index];
norm.y = tmpFloatN[index++];
pos.z = tmpFloat[index];
norm.z = tmpFloatN[index];
tan.x = tmpFloatT[tanIndex++];
tan.y = tmpFloatT[tanIndex++];
tan.z = tmpFloatT[tanIndex++];
for (int i = start; i < end; i++) {
int index = i * 3;
pos.x = inBuf.get(index);
pos.y = inBuf.get(index + 1);
pos.z = inBuf.get(index + 2);
transform.mult(pos, pos);
transform.multNormal(norm, norm);
transform.multNormal(tan, tan);
index -= 2;
tanIndex -= 3;
transform.multNormal(pos, pos);
index -= offset;
tmpFloat[index] = pos.x;
tmpFloat[index + 1] = pos.y;
tmpFloat[index + 2] = pos.z;
tmpFloatN[index++] = norm.x;
tmpFloat[index] = pos.y;
tmpFloatN[index++] = norm.y;
tmpFloat[index] = pos.z;
tmpFloatN[index++] = norm.z;
tmpFloatT[tanIndex++] = tan.x;
tmpFloatT[tanIndex++] = tan.y;
tmpFloatT[tanIndex++] = tan.z;
tanIndex++;
}
vars.release();
outBuf.position(offset);
bufPos.position(offset);
//using bulk put as it's faster
bufPos.put(tmpFloat, 0, length);
bufNorm.position(offset);
//using bulk put as it's faster
bufNorm.put(tmpFloatN, 0, length);
bufTangents.position(tanOffset);
//using bulk put as it's faster
outBuf.put(tmpFloat, 0, length);
bufTangents.put(tmpFloatT, 0, tanLength);
}
private void doCopyBuffer(FloatBuffer inBuf, int offset, FloatBuffer outBuf) {
TempVars vars = TempVars.get();
Vector3f pos = vars.vect1;

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