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

fix: this messed up the 'flip' buffer

Browse Source
This commit is contained in:
Hannes Janetzek 2013-06-28 04:15:08 +02:00
parent b950d3d887
commit 8845a053fb
1 changed files with 11 additions and 6 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

17
vtm/src/org/oscim/renderer/sublayers/LineTexRenderer.java
View File

@ -14,6 +14,8 @@
*/ */
package org.oscim.renderer.sublayers; package org.oscim.renderer.sublayers;
import java.nio.ByteBuffer;
import java.nio.ByteOrder;
import java.nio.ShortBuffer; import java.nio.ShortBuffer;
import org.oscim.backend.GL20; import org.oscim.backend.GL20;
@ -76,16 +78,19 @@ public class LineTexRenderer {
mVertexFlipID = vboIds[0]; mVertexFlipID = vboIds[0];
// bytes: 0, 1, 0, 1, 0, ... // bytes: 0, 1, 0, 1, 0, ...
short[] flip = new short[GLRenderer.maxQuads * 2]; byte[] flip = new byte[GLRenderer.maxQuads * 4];
for (int i = 0; i < flip.length; i++) for (int i = 0; i < flip.length; i++)
flip[i] = 1; flip[i] = (byte)(i % 2);
ShortBuffer buf = GLRenderer.getShortBuffer(flip.length);
ByteBuffer buf = ByteBuffer.allocateDirect(flip.length)
.order(ByteOrder.nativeOrder());
buf.put(flip); buf.put(flip);
buf.flip(); buf.flip();
ShortBuffer sbuf = buf.asShortBuffer();
GL.glBindBuffer(GL20.GL_ARRAY_BUFFER, mVertexFlipID); GL.glBindBuffer(GL20.GL_ARRAY_BUFFER, mVertexFlipID);
GL.glBufferData(GL20.GL_ARRAY_BUFFER, flip.length * 2, buf, GL.glBufferData(GL20.GL_ARRAY_BUFFER, flip.length , sbuf,
GL20.GL_STATIC_DRAW); GL20.GL_STATIC_DRAW);
GL.glBindBuffer(GL20.GL_ARRAY_BUFFER, 0); GL.glBindBuffer(GL20.GL_ARRAY_BUFFER, 0);
@ -123,7 +128,7 @@ public class LineTexRenderer {
GL.glVertexAttribPointer(hVertexFlip, 1, GL.glVertexAttribPointer(hVertexFlip, 1,
GL20.GL_BYTE, false, 0, 0); GL20.GL_BYTE, false, 0, 0);
GL.glBindBuffer(GL20.GL_ARRAY_BUFFER, layers.vbo.id); layers.vbo.bind();
float scale = (float) pos.getZoomScale(); float scale = (float) pos.getZoomScale();