xiaoyan159/vtm
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

RenderElement: docs

Browse Source
This commit is contained in:
Hannes Janetzek 2014-09-04 16:52:39 +02:00
parent 31a45b0468
commit c34bc3306c
1 changed files with 10 additions and 9 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

19
vtm/src/org/oscim/renderer/elements/RenderElement.java
View File

@ -35,20 +35,20 @@ public abstract class RenderElement extends Inlist<RenderElement> {
public final int type; public final int type;
/** drawing order from bottom to top. */ /** Drawing order from bottom to top. */
int level; int level;
/** number of vertices for this layer. */ /** Number of vertices for this layer. */
protected int numVertices; protected int numVertices;
/** temporary list of vertex data. */ /** Temporary list of vertex data. */
protected final VertexData vertexItems = new VertexData(); protected final VertexData vertexItems = new VertexData();
protected RenderElement(int type) { protected RenderElement(int type) {
this.type = type; this.type = type;
} }
/** clear all resources. */ /** Clear all resources. */
protected void clear() { protected void clear() {
vertexItems.dispose(); vertexItems.dispose();
numVertices = 0; numVertices = 0;
@ -67,6 +67,12 @@ public abstract class RenderElement extends Inlist<RenderElement> {
compileVertexItems(sbuf); compileVertexItems(sbuf);
} }
/**
* For line- and polygon-layers this is the offset
* of VERTICES in its layers.vbo.
* For all other types it is the byte offset in vbo.
* FIXME - always use byte offset?
*/
public int getOffset() { public int getOffset() {
return offset; return offset;
} }
@ -75,11 +81,6 @@ public abstract class RenderElement extends Inlist<RenderElement> {
this.offset = offset; this.offset = offset;
} }
/**
* For line- and polygon-layers this is the offset
* of VERTICES in its layers.vbo.
* For all other types it is the byte offset in vbo.
*/
protected int offset; protected int offset;
protected void compile(ShortBuffer vertexBuffer, ShortBuffer indexBuffer) { protected void compile(ShortBuffer vertexBuffer, ShortBuffer indexBuffer) {