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Merge pull request #154 from abies/master

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Speedup for TangengBinormalGenerator
This commit is contained in:
Rémy Bouquet 2015-03-03 21:48:37 +01:00
commit d74d5e6ca9
1 changed files with 107 additions and 58 deletions
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63
jme3-core/src/main/java/com/jme3/util/TangentBinormalGenerator.java
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@ -40,7 +40,9 @@ import com.jme3.scene.VertexBuffer.Format;
import com.jme3.scene.VertexBuffer.Type;
import com.jme3.scene.VertexBuffer.Usage;
import com.jme3.scene.mesh.IndexBuffer;
import static com.jme3.util.BufferUtils.*;
import java.nio.Buffer;
import java.nio.ByteBuffer;
import java.nio.DoubleBuffer;
@ -49,8 +51,12 @@ import java.nio.IntBuffer;
import java.nio.ShortBuffer;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.HashSet;
import java.util.List;
import java.util.Map;
import java.util.Set;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Future;
import java.util.logging.Level;
import java.util.logging.Logger;
@ -147,6 +153,44 @@ public class TangentBinormalGenerator {
generate(scene, false);
}
public static void generateParallel(Spatial scene, ExecutorService executor) {
final Set<Mesh> meshes = new HashSet<Mesh>();
scene.breadthFirstTraversal(new SceneGraphVisitor() {
@Override
public void visit(Spatial spatial) {
if (spatial instanceof Geometry) {
Geometry geom = (Geometry) spatial;
Mesh mesh = geom.getMesh();
// Check to ensure mesh has texcoords and normals before generating
if (mesh.getBuffer(Type.TexCoord) != null
&& mesh.getBuffer(Type.Normal) != null) {
meshes.add(mesh);
}
}
}
});
List<Future<?>> futures = new ArrayList<Future<?>>();
for (final Mesh m : meshes) {
futures.add(executor.submit(new Runnable() {
@Override
public void run() {
generate(m, true, false);
}
}));
}
for (Future<?> f : futures) {
try {
f.get();
} catch (Exception exc) {
log.log(Level.WARNING, "Error while computing tangents", exc);
}
}
}
public static void generate(Mesh mesh, boolean approxTangents, boolean splitMirrored) {
int[] index = new int[3];
Vector3f[] v = new Vector3f[3];
@ -512,14 +556,16 @@ public class TangentBinormalGenerator {
public static TriangleData processTriangle(int[] index,
Vector3f[] v, Vector2f[] t) {
Vector3f edge1 = new Vector3f();
Vector3f edge2 = new Vector3f();
Vector2f edge1uv = new Vector2f();
Vector2f edge2uv = new Vector2f();
TempVars tmp = TempVars.get();
try {
Vector3f edge1 = tmp.vect1;
Vector3f edge2 = tmp.vect2;
Vector2f edge1uv = tmp.vect2d;
Vector2f edge2uv = tmp.vect2d2;
Vector3f tangent = new Vector3f();
Vector3f binormal = new Vector3f();
Vector3f normal = new Vector3f();
Vector3f tangent = tmp.vect3;
Vector3f binormal = tmp.vect4;
Vector3f normal = tmp.vect5;
t[1].subtract(t[0], edge1uv);
t[2].subtract(t[0], edge2uv);
@ -573,6 +619,9 @@ public class TangentBinormalGenerator {
tangent,
binormal,
normal);
} finally {
tmp.release();
}
}
public static void setToleranceAngle(float angle) {