public void Dispose()
{
if (_vbo != null)
{
_vbo.Dispose();
_vbo = null;
}
}
void InitMultiPartVBOIfNeed()
{
if (_vbo != null)
{
return;
}
//
_vbo = new VertexBufferObject();
_vbo.CreateBuffers(_allCoords.ToArray(), _allArrayIndexList.ToArray(), _partIndexList.ToArray());
}
/// <summary>
/// vertex buffer of the solid area part
/// </summary>
public VertexBufferObject GetAreaTessAsVBO(TessTool tess)
{
if (_vboArea == null)
{
//tess
indexListArray = tess.TessAsTriIndexArray(coordXYs, null,
out tessXYCoords2, out this._tessAreaVertexCount);
_vboArea = new VertexBufferObject();
_vboArea.CreateBuffers(tessXYCoords2, indexListArray, null);
}
return(_vboArea);
}
public void FillTriangles(VertexBufferObject vbo, int nelements, Drawing.Color color)
{
SetCurrent();
CheckViewMatrix();
//--------------------------------------------
u_solidColor.SetValue((float)color.R / 255f, (float)color.G / 255f, (float)color.B / 255f, (float)color.A / 255f);
vbo.Bind();
a_position.LoadLatest();
GL.DrawElements(BeginMode.Triangles, nelements, DrawElementsType.UnsignedShort, 0);
vbo.UnBind(); //important, call unbind after finish call.
}
public void BuildBuffer(bool clearInputXYs = true)
{
if (_vbo != null)
{
//must clear this first
throw new System.Exception();
}
//----------------
_vbo = new VertexBufferObject();
_vbo.CreateBuffers(_mergedInputXYs.ToArray(), null);
if (clearInputXYs)
{
_mergedInputXYs.Clear();
_mergedInputXYs = null;
}
//clear _mergedInputXYs
}
public VBOPart(VertexBufferObject vbo, PartRange partRange)
{
this.vbo = vbo;
this.partRange = partRange;
}
