private void draw(DrawContext dc) {
this.referencePoint = this.computeReferencePoint(dc);
this.assembleTiles(dc); // Determine the tiles to draw.
if (this.currentTiles.size() >= 1) {
MercatorTextureTile[] sortedTiles = new MercatorTextureTile[this.currentTiles.size()];
sortedTiles = this.currentTiles.toArray(sortedTiles);
Arrays.sort(sortedTiles, levelComparer);
GL gl = dc.getGL();
if (this.isUseTransparentTextures() || this.getOpacity() < 1) {
gl.glPushAttrib(GL.GL_COLOR_BUFFER_BIT | GL.GL_POLYGON_BIT | GL.GL_CURRENT_BIT);
gl.glColor4d(1d, 1d, 1d, this.getOpacity());
gl.glEnable(GL.GL_BLEND);
gl.glBlendFunc(GL.GL_SRC_ALPHA, GL.GL_ONE_MINUS_SRC_ALPHA);
} else {
gl.glPushAttrib(GL.GL_COLOR_BUFFER_BIT | GL.GL_POLYGON_BIT);
}
gl.glPolygonMode(GL.GL_FRONT, GL.GL_FILL);
gl.glEnable(GL.GL_CULL_FACE);
gl.glCullFace(GL.GL_BACK);
dc.setPerFrameStatistic(
PerformanceStatistic.IMAGE_TILE_COUNT, this.tileCountName, this.currentTiles.size());
dc.getGeographicSurfaceTileRenderer().renderTiles(dc, this.currentTiles);
gl.glPopAttrib();
if (this.drawTileIDs) this.drawTileIDs(dc, this.currentTiles);
if (this.drawBoundingVolumes) this.drawBoundingVolumes(dc, this.currentTiles);
this.currentTiles.clear();
}
this.sendRequests();
this.requestQ.clear();
}
