add getters for MapTile state, modify 'state' only within package

- clear tile in TileManager when loading has failed
This commit is contained in:
Hannes Janetzek 2013-09-19 22:44:12 +02:00
parent 0107ade039
commit d91402da3c
9 changed files with 93 additions and 143 deletions

View File

@ -66,9 +66,6 @@ public class VectorTileLoader extends TileLoader implements IRenderTheme.Callbac
public static final byte STROKE_MIN_ZOOM_LEVEL = 12;
public static final byte STROKE_MAX_ZOOM_LEVEL = 17;
//private static final Tag[] debugTagWay = { new Tag("debug", "way") };
//private static final Tag[] debugTagArea = { new Tag("debug", "area") };
// replacement for variable value tags that should not be matched by RenderTheme
// FIXME make this general, maybe subclass tags
private static final Tag mTagEmptyName = new Tag(Tag.TAG_KEY_NAME, null, false);
@ -109,24 +106,7 @@ public class VectorTileLoader extends TileLoader implements IRenderTheme.Callbac
*/
public VectorTileLoader(TileManager tileManager) {
super(tileManager);
mClipper = new LineClipper(0, 0, Tile.SIZE, Tile.SIZE, true);
// MapElement m = mDebugWay = new MapElement();
// m.startLine();
// int s = Tile.SIZE;
// m.addPoint(0, 0);
// m.addPoint(0, s);
// m.addPoint(s, s);
// m.addPoint(s, 0);
// m.addPoint(0, 0);
// m.tags = new Tag[] { new Tag("debug", "box") };
// m.type = GeometryType.LINE;
//
// m = mDebugPoint = new MapElement();
// m.startPoints();
// m.addPoint(s >> 1, 10);
// m.type = GeometryType.POINT;
}
@Override
@ -144,7 +124,7 @@ public class VectorTileLoader extends TileLoader implements IRenderTheme.Callbac
if (mTile.layers != null) {
// should be fixed now.
Log.d(TAG, "BUG tile already loaded " + mTile + " " + mTile.state);
Log.d(TAG, "BUG tile already loaded " + mTile + " " + mTile.getState());
mTile = null;
return false;
}
@ -168,20 +148,6 @@ public class VectorTileLoader extends TileLoader implements IRenderTheme.Callbac
return false;
}
// if (debug.drawTileFrames) {
// // draw tile coordinate
// mTagName = new Tag("name", mTile.toString(), false);
// mElement = mDebugPoint;
// RenderInstruction[] ri;
// ri = renderTheme.matchNode(debugTagWay, (byte) 0);
// renderNode(ri);
//
// // draw tile box
// mElement = mDebugWay;
// mDrawingLayer = 100 * renderLevels;
// ri = renderTheme.matchWay(mDebugWay.tags, (byte) 0, false);
// renderWay(ri);
// }
return true;
}
@ -191,17 +157,6 @@ public class VectorTileLoader extends TileLoader implements IRenderTheme.Callbac
mTile = null;
return;
}
mTile.layers.clear();
mTile.layers = null;
TextItem.pool.releaseAll(mTile.labels);
mTile.labels = null;
// FIXME add STATE_FAILED?
// in passTile everything but STATE_LOADING is considered failed.
mTile.state = MapTile.STATE_NONE;
mTile.loader.jobCompleted(mTile, false);
mTile = null;
}
Tag[] mFilterTags = new Tag[1];
@ -317,18 +272,6 @@ public class VectorTileLoader extends TileLoader implements IRenderTheme.Callbac
mElement = null;
}
//private void debugUnmatched(boolean closed, TagSet tags) {
// Log.d(TAG, "DBG way not matched: " + closed + " "
// + Arrays.deepToString(tags));
//
// mTagName = new Tag("name", tags[0].key + ":"
// + tags[0].value, false);
//
// mElement.tags = closed ? debugTagArea : debugTagWay;
// RenderInstruction[] ri = renderTheme.matchElement(mElement, mTile.zoomLevel);
// renderWay(ri);
//}
private void renderWay(RenderInstruction[] ri) {
if (ri == null)
return;
@ -351,10 +294,6 @@ public class VectorTileLoader extends TileLoader implements IRenderTheme.Callbac
mCurLineLayer = null;
}
// @Override
// public void renderWaterBackground() {
// }
// ----------------- RenderThemeCallback -----------------
@Override
public void renderWay(Line line, int level) {

View File

@ -38,7 +38,7 @@ public abstract class TileLoader {
boolean isInterrupted;
void interrupt() {
public void interrupt() {
isInterrupted = true;
// cancel loading
}
@ -96,24 +96,24 @@ public abstract class TileLoader {
}
public void jobCompleted(MapTile tile, boolean success) {
if (success) {
if (!isInterrupted) {
// pass tile to main thread
mTileManager.passTile(tile);
}
//if (success) {
if (!isInterrupted) {
// pass tile to main thread
mTileManager.passTile(tile, success);
}
//}
mWorking = false;
if (!mPausing && !mTileManager.jobQueue.isEmpty()){
if (!mPausing && !mTileManager.jobQueue.isEmpty()) {
Gdx.app.postRunnable(new Runnable(){
Gdx.app.postRunnable(new Runnable() {
@Override
public void run() {
go();
}
}
);
});
}
}
}

View File

@ -99,10 +99,7 @@ public abstract class TileLayer<T extends TileLoader> extends Layer implements M
void notifyLoaders() {
for (int i = 0; i < mNumTileLoader; i++) {
T m = mTileLoader.get(i);
synchronized (m) {
m.go();
}
mTileLoader.get(i).go();
}
}

View File

@ -14,8 +14,6 @@
*/
package org.oscim.layers.tile.vector;
import static org.oscim.tiling.MapTile.STATE_NONE;
import org.oscim.backend.Log;
import org.oscim.core.GeometryBuffer.GeometryType;
import org.oscim.core.MapElement;
@ -46,7 +44,6 @@ import org.oscim.tiling.source.ITileDataSink;
import org.oscim.tiling.source.ITileDataSource;
import org.oscim.tiling.source.ITileDataSource.QueryResult;
import org.oscim.utils.LineClipper;
import org.oscim.utils.pool.Inlist;
public class VectorTileLoader extends TileLoader implements IRenderTheme.Callback, ITileDataSink {
@ -120,7 +117,7 @@ public class VectorTileLoader extends TileLoader implements IRenderTheme.Callbac
if (mTile.layers != null) {
// should be fixed now.
Log.d(TAG, "BUG tile already loaded " + mTile + " " + mTile.state);
Log.d(TAG, "BUG tile already loaded " + mTile + " " + mTile.getState());
mTile = null;
return false;
}
@ -142,15 +139,6 @@ public class VectorTileLoader extends TileLoader implements IRenderTheme.Callbac
// query database, which calls renderWay and renderPOI
// callbacks while processing map tile data.
if (mTileDataSource.executeQuery(mTile, this) != QueryResult.SUCCESS) {
//Log.d(TAG, "Failed loading: " + tile);
mTile.layers.clear();
mTile.layers = null;
TextItem.pool.releaseAll(mTile.labels);
mTile.labels = null;
// FIXME add STATE_FAILED?
// in passTile everything but STATE_LOADING is considered failed.
mTile.state = STATE_NONE;
mTile = null;
return false;
}
@ -478,8 +466,7 @@ public class VectorTileLoader extends TileLoader implements IRenderTheme.Callbac
it.y = mElement.points[1];
it.texRegion = symbol.texture;
it.billboard = true;
mTile.symbols = Inlist.push(mTile.symbols, it);
mTile.addSymbol(it);
}
@Override

View File

@ -403,7 +403,7 @@ class TextRenderer extends ElementRenderer {
/* add way labels */
for (int i = 0, n = mTileSet.cnt; i < n; i++) {
MapTile t = tiles[i];
if (t.state != MapTile.STATE_READY)
if (!t.state(MapTile.STATE_READY))
continue;
float dx = (float) (t.tileX * Tile.SIZE - tileX);
@ -469,7 +469,7 @@ class TextRenderer extends ElementRenderer {
/* add caption */
for (int i = 0, n = mTileSet.cnt; i < n; i++) {
MapTile t = tiles[i];
if (t.state != MapTile.STATE_READY)
if (!t.state(MapTile.STATE_READY))
continue;
float dx = (float) (t.tileX * Tile.SIZE - tileX);
@ -550,7 +550,7 @@ class TextRenderer extends ElementRenderer {
for (int i = 0, n = mTileSet.cnt; i < n; i++) {
MapTile t = tiles[i];
if (t.state != MapTile.STATE_READY)
if (!t.state(MapTile.STATE_READY))
continue;
float dx = (float) (t.tileX * Tile.SIZE - tileX);

View File

@ -139,7 +139,7 @@ public class ExtrusionRenderer extends LayerRenderer {
for (int i = 0; i < mTileSet.cnt; i++) {
MapTile t = tiles[i];
for (byte j = 0; j < 4; j++) {
if ((t.proxies & (1 << j)) == 0)
if (!t.hasProxy(1 << j))
continue;
MapTile c = t.rel.get(j);
@ -168,7 +168,7 @@ public class ExtrusionRenderer extends LayerRenderer {
private static ExtrusionLayer getLayer(MapTile t) {
if (t.layers != null && t.layers.extrusionLayers != null
&& t.state == MapTile.STATE_READY)
&& t.state(MapTile.STATE_READY))
return (ExtrusionLayer) t.layers.extrusionLayers;
return null;
}

View File

@ -19,41 +19,45 @@ import org.oscim.renderer.BufferObject;
import org.oscim.renderer.elements.ElementLayers;
import org.oscim.renderer.elements.SymbolItem;
import org.oscim.renderer.elements.TextItem;
import org.oscim.utils.pool.Inlist;
import org.oscim.utils.quadtree.QuadTree;
/**
* Extends Tile class to hold state and data for concurrent use in
* TileManager (Main Thread), TileLoader (Worker Threads) and
* Rendering (GL Thread).
* TileRenderer (GL Thread).
*/
public class MapTile extends Tile {
public final static int STATE_NONE = 0;
/**
*
* */
public TileLoader loader;
public final static byte STATE_NONE = 0;
/**
* STATE_LOADING means the tile is about to be loaded / loading.
* it belongs to TileLoader thread.
* Tile belongs to TileLoader thread.
*/
public final static int STATE_LOADING = 1 << 0;
public final static byte STATE_LOADING = 1 << 0;
/**
* STATE_NEW_DATA: tile data is prepared for rendering. While
* 'locked' it belongs to GL Thread.
* STATE_NEW_DATA: tile data is prepared for rendering.
* While 'locked' it belongs to GL Thread.
*/
public final static int STATE_NEW_DATA = 1 << 1;
public final static byte STATE_NEW_DATA = 1 << 1;
/**
* STATE_READY: tile data is uploaded to GL.While
* 'locked' it belongs to GL Thread.
* STATE_READY: tile data is uploaded to GL.
* While 'locked' it belongs to GL Thread.
*/
public final static int STATE_READY = 1 << 2;
public final static byte STATE_READY = 1 << 2;
/**
* TBD
*/
public final static int STATE_ERROR = 1 << 3;
public final static byte STATE_ERROR = 1 << 3;
/**
* absolute tile coordinates: tileX,Y / Math.pow(2, zoomLevel)
@ -61,9 +65,6 @@ public class MapTile extends Tile {
public double x;
public double y;
/** STATE_* */
public byte state;
/**
* distance from map center
*/
@ -75,9 +76,16 @@ public class MapTile extends Tile {
*/
public TextItem labels;
public SymbolItem symbols;
public ElementLayers layers;
public void addLabel(TextItem it) {
labels = Inlist.push(labels, it);
}
public void addSymbol(SymbolItem it) {
symbols = Inlist.push(symbols, it);
}
/**
* Tile is in view region. Set by GLRenderer.
*/
@ -102,8 +110,19 @@ public class MapTile extends Tile {
public final static int PROXY_GRAMPA = 1 << 5;
public final static int PROXY_HOLDER = 1 << 6;
/** STATE_* */
byte state;
public boolean state(byte testState) {
return state == testState;
}
public byte getState() {
return state;
}
/** keep track which tiles are locked as proxy for this tile */
public byte proxies;
byte proxies;
/** counting the tiles that use this tile as proxy */
byte refs;
@ -122,12 +141,18 @@ public class MapTile extends Tile {
}
/**
* @return true when tile might be referenced by another thread.
* @return true when tile might be referenced by render thread.
*/
boolean isLocked() {
return locked > 0 || refs > 0;
}
/**
* Set this tile to be locked, i.e. to no be modified or cleared
* while rendering. Renderable parent, grand-parent and children
* will also be locked. Dont forget to unlock when tile is not longer
* used. This function should only be called through {@link TileManager}
*/
void lock() {
if (locked++ > 0)
return;
@ -154,6 +179,9 @@ public class MapTile extends Tile {
}
}
/**
* Unlocks this tile when it cannot be used by render-thread.
*/
void unlock() {
if (--locked > 0 || proxies == 0)
return;
@ -171,29 +199,27 @@ public class MapTile extends Tile {
proxies = 0;
}
public void addLabel(TextItem t) {
t.next = labels;
labels = t;
}
/**
* @return true if tile is loading, has new data or is ready for rendering
* @return true if tile is loading, has new data or is ready
* for rendering
*/
public boolean isActive() {
return state > STATE_NONE && state < STATE_ERROR;
}
public void setLoading() {
//if (state != STATE_NONE)
// Log.wtf(TAG, "wrong state: " + state);
state = STATE_LOADING;
}
public void clearState() {
state = STATE_NONE;
/**
* Test whether it is save to access a proxy item through
* this.rel.*
*/
public boolean hasProxy(int proxy) {
return (proxies & proxy) != 0;
}
/**
* CAUTION: This function should only be called by {@link TileManager} when
* tile is removed from cache or from {@link TileLoader} when
* tile has failed to get loaded.
*/
protected void clear() {
if (layers != null) {
// TODO move this to layers clear
@ -211,5 +237,7 @@ public class MapTile extends Tile {
layers = null;
labels = null;
symbols = null;
state = STATE_NONE;
}
}

View File

@ -32,8 +32,10 @@ public abstract class TileLoader extends PausableThread {
protected abstract boolean executeJob(MapTile tile);
public void go(){
notify();
public void go() {
synchronized (this) {
notify();
}
}
@Override
@ -43,18 +45,20 @@ public abstract class TileLoader extends PausableThread {
if (tile == null)
return;
boolean success = false;
try {
executeJob(tile);
success = executeJob(tile);
} catch (Exception e) {
e.printStackTrace();
return;
}
if (!isInterrupted()) {
// pass tile to main thread
mTileManager.passTile(tile);
mTileManager.passTile(tile, success);
}
}
public void jobCompleted(MapTile tile, boolean success) {
}

View File

@ -528,14 +528,11 @@ public class TileManager {
* Tile ready for upload in TileRenderLayer
* @return caller does not care
*/
public boolean passTile(MapTile tile) {
public void passTile(MapTile tile, boolean success) {
if (tile.state != STATE_LOADING) {
// - should rather be STATE_FAILED
// no one should be able to use this tile now, MapTileLoader passed
// it, GL-Thread does nothing until newdata is set.
// Log.d(TAG, "passTile: failed loading " + tile);
return true;
if (!success) {
tile.clear();
return;
}
tile.state = STATE_NEW_DATA;
@ -547,8 +544,6 @@ public class TileManager {
// a tile that might be visible.
if (tile.isLocked())
mMap.render();
return true;
}
private final ScanBox mScanBox = new ScanBox() {