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unbind buffer after vertexAttribPointer is set, change number of cache tiles dynamically

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This commit is contained in:
Hannes Janetzek
2012-06-21 00:02:01 +02:00
parent f977fec1ae
commit 79cc76bd62
1 changed files with 23 additions and 15 deletions
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38
src/org/mapsforge/android/glrenderer/MapRenderer.java
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@@ -50,7 +50,7 @@ import android.util.Log;
public class MapRenderer implements org.mapsforge.android.MapRenderer {
private static final String TAG = "MapRenderer";
private static final int CACHE_TILES = 250;
private static int CACHE_TILES = 300;
private static final int LIMIT_BUFFERS = 32 * (1024 * 1024);
private static final int OES_HALF_FLOAT = 0x8D61;
@@ -481,7 +481,7 @@ public class MapRenderer implements org.mapsforge.android.MapRenderer {
private int[] mPolyColors;
private boolean drawPolygons(GLMapTile tile, int diff) {
float scale, x, y;
float scale, x, y, z = 1;
if (tile.polygonLayers == null || tile.polygonLayers.array == null)
return true;
@@ -500,12 +500,14 @@ public class MapRenderer implements org.mapsforge.android.MapRenderer {
POLYGON_VERTICES_DATA_POS_OFFSET);
}
GLES20.glBindBuffer(GLES20.GL_ARRAY_BUFFER, 0);
if (diff == 0) {
scale = (float) (mDrawScale * 2.0 / mHeight);
x = (float) (mDrawX - tile.x);
y = (float) (tile.y - mDrawY);
} else {
float z = (diff > 0) ? (1 << diff) : 1.0f / (1 << -diff);
z = (diff > 0) ? (1 << diff) : 1.0f / (1 << -diff);
scale = (float) (mDrawScale * 2.0 / mHeight / z);
x = (float) (mDrawX * z - tile.x);
y = (float) (tile.y - mDrawY * z);
@@ -538,11 +540,11 @@ public class MapRenderer implements org.mapsforge.android.MapRenderer {
else {
// clear stencilbuffer
GLES20.glStencilMask(0xFF);
// GLES20.glClear(GLES20.GL_STENCIL_BUFFER_BIT);
GLES20.glClear(GLES20.GL_STENCIL_BUFFER_BIT);
// clear stencilbuffer (tile region)
GLES20.glStencilOp(GLES20.GL_ZERO, GLES20.GL_ZERO, GLES20.GL_ZERO);
GLES20.glDrawArrays(GLES20.GL_TRIANGLE_STRIP, 0, 4);
// GLES20.glStencilOp(GLES20.GL_ZERO, GLES20.GL_ZERO, GLES20.GL_ZERO);
// GLES20.glDrawArrays(GLES20.GL_TRIANGLE_STRIP, 0, 4);
}
// stencil op for stencil method polygon drawing
@@ -560,7 +562,7 @@ public class MapRenderer implements org.mapsforge.android.MapRenderer {
continue;
// modify alpha channel
float s = (mDrawScale < 1.3f ? 1.3f : mDrawScale);
float s = ((mDrawScale / z) < 1.3f ? 1.3f : (mDrawScale / z));
colors[cnt] = (colors[cnt] & 0xffffff)
| (byte) ((s - 1) * 0xff) << 24;
}
@@ -612,6 +614,7 @@ public class MapRenderer implements org.mapsforge.android.MapRenderer {
false, 16,
LINE_VERTICES_DATA_TEX_OFFSET);
}
GLES20.glBindBuffer(GLES20.GL_ARRAY_BUFFER, 0);
if (diff == 0) {
scale = (float) (mDrawScale * 2.0 / mHeight);
@@ -641,7 +644,7 @@ public class MapRenderer implements org.mapsforge.android.MapRenderer {
// linear scale for fixed lines
float fdiv = 0.9f / (mDrawScale / z);
// int cnt = 0;
int cnt = 0;
for (int i = 0, n = layers.length; i < n; i++) {
LineLayer l = layers[i];
@@ -774,14 +777,15 @@ public class MapRenderer implements org.mapsforge.android.MapRenderer {
}
}
private int uploadCnt;
// private int uploadCnt;
private boolean uploadTileData(GLMapTile tile) {
// not sure about this, but seems it fixes some flickering when
// multiple tiles are uploaded in one go. but if this is really
// the issue tiles should stay corrupted..
if (uploadCnt++ > 0)
GLES20.glFinish();
// if (uploadCnt++ > 0)
// GLES20.glFinish();
if (tile.lineVBO == null) {
// Upload line data to vertex buffer object
@@ -867,7 +871,7 @@ public class MapRenderer implements org.mapsforge.android.MapRenderer {
GLES20.glStencilMask(0xFF);
GLES20.glDisable(GLES20.GL_SCISSOR_TEST);
GLES20.glClear(GLES20.GL_COLOR_BUFFER_BIT | GLES20.GL_STENCIL_BUFFER_BIT);
GLES20.glFlush();
synchronized (this) {
mDrawX = mCurX;
mDrawY = mCurY;
@@ -899,11 +903,17 @@ public class MapRenderer implements org.mapsforge.android.MapRenderer {
vbo.size = 0;
}
GLES20.glBindBuffer(GLES20.GL_ARRAY_BUFFER, 0);
}
Log.d(TAG, " > " + mBufferMemoryUsage / (1024 * 1024) + "MB");
if (CACHE_TILES > 50)
CACHE_TILES -= 50;
} else if (CACHE_TILES < 300) {
CACHE_TILES += 50;
}
uploadCnt = 0;
// uploadCnt = 0;
// check visible tiles, set tile clip scissors, upload new vertex data
for (int i = 0; i < tileCnt; i++) {
@@ -984,8 +994,6 @@ public class MapRenderer implements org.mapsforge.android.MapRenderer {
}
}
GLES20.glBindBuffer(GLES20.GL_ARRAY_BUFFER, 0);
if (timing) {
GLES20.glFinish();
Log.d(TAG, "draw took " + (SystemClock.uptimeMillis() - start) + " "