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Fix up caching - let textures in cache survive one reload.

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Bill Kuker 2012-07-01 17:40:17 +00:00 committed by U-WINDOWS-C28163E\Administrator
parent 3a9b843c9a
commit f582af7c95
1 changed files with 49 additions and 16 deletions
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65
core/src/net/sf/openrocket/gui/figure3d/RealisticRenderStrategy.java
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@ -1,5 +1,8 @@
package net.sf.openrocket.gui.figure3d;
import java.net.URI;
import java.net.URISyntaxException;
import java.net.URL;
import java.util.HashMap;
import java.util.Map;
@ -24,13 +27,14 @@ public class RealisticRenderStrategy extends RenderStrategy {
private final float[] color = new float[4];
private static final LogHelper log = Application.getLogger();
private Map<RocketComponent, Appearance> apMap = new HashMap<RocketComponent, Appearance>();
private Map<Decal, Texture> texCache = new HashMap<Decal, Texture>();
private boolean needClearCache = false;
private Map<URI, Texture> oldTexCache = new HashMap<URI, Texture>();
private Map<URI, Texture> texCache = new HashMap<URI, Texture>();
@Override
public void clearCaches() {
apMap.clear();
texCache.clear();
needClearCache = true;
}
@Override
@ -45,6 +49,11 @@ public class RealisticRenderStrategy extends RenderStrategy {
@Override
public void preGeometry(GL2 gl, RocketComponent c, float alpha) {
if (needClearCache) {
clearCaches(gl);
needClearCache = false;
}
Appearance a = getAppearance(c);
gl.glLightModeli(GL2ES1.GL_LIGHT_MODEL_TWO_SIDE, 1);
@ -106,34 +115,58 @@ public class RealisticRenderStrategy extends RenderStrategy {
}
}
private void clearCaches(GL2 gl) {
log.debug("ClearCaches");
for (Map.Entry<URI, Texture> e : oldTexCache.entrySet()) {
log.debug("Destroying Texture for " + e.getKey());
if ( e.getValue() != null )
e.getValue().destroy(gl);
}
oldTexCache = texCache;
texCache = new HashMap<URI, Texture>();
}
private Texture getTexture(Decal t) {
if (texCache.containsKey(t))
return texCache.get(t);
URL url = t.getImageURL();
URI uri; //NEVER use a URL as a key!
try {
uri = url.toURI();
} catch (URISyntaxException e) {
e.printStackTrace();
return null;
}
//Return the Cached value if available
if (texCache.containsKey(uri))
return texCache.get(uri);
//If the texture is in the Old Cache, save it.
if (oldTexCache.containsKey(uri)) {
texCache.put(uri, oldTexCache.get(uri));
oldTexCache.remove(uri);
return texCache.get(uri);
}
//Otherwise load it.
Texture tex = null;
try {
log.debug("Loading texture " + t);
TextureData data = TextureIO.newTextureData(GLProfile.getDefault(), t.getImageURL().openStream(), true,
null);
TextureData data = TextureIO.newTextureData(GLProfile.getDefault(), url.openStream(), true, null);
tex = TextureIO.newTexture(data);
} catch (Throwable e) {
log.error("Error loading Texture", e);
}
texCache.put(t, tex);
texCache.put(uri, tex);
return tex;
}
private Appearance getAppearance(RocketComponent c) {
if (apMap.containsKey(c))
return apMap.get(c);
Appearance ret = c.getAppearance();
if (ret == null) {
ret = Appearance.MISSING;
}
apMap.put(c, ret);
System.out.println(c + ": " + ret);
return ret;
}