if (this.getVBOStrokeColorName() != -1){
gl.glDeleteBuffersARB(1, new int[]{this.getVBOStrokeColorName()},0);
this.vboStrokeColID = -1;
}
if (this.getVBOTextureName() != -1){
gl.glDeleteBuffersARB(1, new int[]{this.getVBOTextureName()},0);
this.vboTextureID = -1;
}
if (this.getVBONormalsName() != -1){
gl.glDeleteBuffersARB(1, new int[]{this.getVBONormalsName()},0);
this.vboNormalsID = -1;