internal override uint[] Search(RenderEventArgs arg,
int x, int y,
uint lastVertexId, ZeroIndexRenderer modernRenderer)
{
ZeroIndexBufferPtr zeroIndexBufferPtr = modernRenderer.IndexBufferPtr;
ZeroIndexBufferPtr indexBufferPtr = null;
// when the temp index buffer could be long, it's no longer needed.
// what a great OpenGL API design!
using (var buffer = new ZeroIndexBuffer(DrawMode.LineLoop,
zeroIndexBufferPtr.FirstVertex, zeroIndexBufferPtr.VertexCount))
{
indexBufferPtr = buffer.GetBufferPtr() as ZeroIndexBufferPtr;
}
modernRenderer.Render4InnerPicking(arg, indexBufferPtr);
uint id = ColorCodedPicking.ReadPixel(x, y, arg.CanvasRect.Height);
indexBufferPtr.Dispose();
if (id == zeroIndexBufferPtr.FirstVertex)
{
return(new uint[] { (uint)(zeroIndexBufferPtr.FirstVertex + zeroIndexBufferPtr.VertexCount - 1), id, });
}
else
{
return(new uint[] { id - 1, id, });
}
}
public IndexBufferPtr GetIndex()
{
if (indexBufferPtr == null)
{
using (var buffer = new ZeroIndexBuffer(
DrawMode.LineStrip, 0, BigDipperModel.positions.Length))
{
indexBufferPtr = buffer.GetBufferPtr() as IndexBufferPtr;
}
//using (var buffer = new OneIndexBuffer<uint>(
// DrawMode.Lines, BufferUsage.StaticDraw))
//{
// buffer.Alloc(BigDipperModel.positions.Length);
// unsafe
// {
// var array = (uint*)buffer.Header.ToPointer();
// for (uint i = 0; i < BigDipperModel.positions.Length; i++)
// {
// array[i] = i;
// }
// array[0] = uint.MaxValue;
// array[4] = uint.MaxValue;
// array[10] = uint.MaxValue;
// }
// indexBufferPtr = buffer.GetBufferPtr() as IndexBufferPtr;
//}
}
return indexBufferPtr;
}
internal override uint Search(RenderEventArgs arg,
int x, int y,
uint lastVertexId, ZeroIndexRenderer modernRenderer)
{
ZeroIndexBufferPtr zeroIndexBufferPtr = modernRenderer.IndexBufferPtr;
ZeroIndexBufferPtr indexBufferPtr = null;
// when the temp index buffer could be long, it's no longer needed.
// what a great OpenGL API design!
using (var buffer = new ZeroIndexBuffer(DrawMode.Points,
zeroIndexBufferPtr.FirstVertex, zeroIndexBufferPtr.VertexCount))
{
indexBufferPtr = buffer.GetBufferPtr() as ZeroIndexBufferPtr;
}
modernRenderer.Render4InnerPicking(arg, indexBufferPtr);
uint id = ColorCodedPicking.ReadPixel(x, y, arg.CanvasRect.Height);
indexBufferPtr.Dispose();
if (zeroIndexBufferPtr.FirstVertex <= id &&
id < zeroIndexBufferPtr.FirstVertex + zeroIndexBufferPtr.VertexCount)
{
return(id);
}
else
{
throw new Exception("This should not happen!");
}
}
/// <summary>
///
/// </summary>
/// <returns></returns>
public IndexBufferPtr GetIndexBufferPtr()
{
if (indexBufferPtr == null)
{
using (var buffer = new ZeroIndexBuffer(
DrawMode.LineStrip, 0, BigDipperModel.positions.Length))
{
indexBufferPtr = buffer.GetBufferPtr();
}
//using (var buffer = new OneIndexBuffer<uint>(
// DrawMode.Lines, BufferUsage.StaticDraw))
//{
// buffer.Alloc(BigDipperModel.positions.Length);
// unsafe
// {
// var array = (uint*)buffer.Header.ToPointer();
// for (uint i = 0; i < BigDipperModel.positions.Length; i++)
// {
// array[i] = i;
// }
// array[0] = uint.MaxValue;
// array[4] = uint.MaxValue;
// array[10] = uint.MaxValue;
// }
// indexBufferPtr = buffer.GetBufferPtr();
//}
}
return(indexBufferPtr);
}
public CSharpGL.IndexBufferPtr GetIndexBufferPtr()
{
if ((indexBufferPtr == null))
{
using (var buffer = new ZeroIndexBuffer(DrawMode.Points, 0, this.pointCount))
{// begin of using
indexBufferPtr = buffer.GetBufferPtr();
}// end of using
}
return(indexBufferPtr);
}
public IndexBufferPtr GetIndex()
{
if (this.indexBufferPtr == null)
{
using (var buffer = new ZeroIndexBuffer(DrawMode.Lines, 0, codedColors.Length * 2 + 4))
{
this.indexBufferPtr = buffer.GetBufferPtr() as IndexBufferPtr;
}
}
return this.indexBufferPtr;
}
/// <summary>
///
/// </summary>
/// <returns></returns>
public IndexBufferPtr GetIndex()
{
if (indexBufferPtr == null)
{
using (var buffer = new ZeroIndexBuffer(this.model.GetDrawModel(), 0, this.model.positions.Length))
{
indexBufferPtr = buffer.GetBufferPtr() as IndexBufferPtr;
}
}
return(indexBufferPtr);
}
/// <summary>
///
/// </summary>
/// <returns></returns>
public IndexBufferPtr GetIndexBufferPtr()
{
if (this.indexBufferPtr == null)
{
using (var buffer = new ZeroIndexBuffer(this.Mode, this.FirstVertex, this.VertexCount, this.PrimCount))
{
this.indexBufferPtr = buffer.GetBufferPtr();
}
}
return(this.indexBufferPtr);
}
/// <summary>
///
/// </summary>
/// <returns></returns>
public IndexBufferPtr GetIndex()
{
if (indexBufferPtr == null)
{
using (var buffer = new ZeroIndexBuffer(
DrawMode.Quads, 0, maxCharCount * 4))
{
indexBufferPtr = buffer.GetBufferPtr() as ZeroIndexBufferPtr;
}
}
return(indexBufferPtr);
}
/// <summary>
///
/// </summary>
/// <returns></returns>
public IndexBufferPtr GetIndex()
{
if (indexBufferPtr == null)
{
using (var buffer = new ZeroIndexBuffer(
DrawMode.QuadStrip, 0, positions.Length))
{
indexBufferPtr = buffer.GetBufferPtr() as IndexBufferPtr;
}
}
return(indexBufferPtr);
}
/// <summary>
///
/// </summary>
/// <returns></returns>
public IndexBufferPtr GetIndexBufferPtr()
{
if (indexBufferPtr == null)
{
using (var buffer = new ZeroIndexBuffer(
DrawMode.LineStrip, 0, this.model.Positions.Length))
{
indexBufferPtr = buffer.GetBufferPtr();
}
}
return(indexBufferPtr);
}
internal override uint[] Search(RenderEventArgs arg,
int x, int y,
uint lastVertexId, ZeroIndexRenderer modernRenderer)
{
ZeroIndexBufferPtr zeroIndexBufferPtr = modernRenderer.IndexBufferPtr;
ZeroIndexBufferPtr indexBufferPtr = null;
// when the temp index buffer could be long, it's no longer needed.
// what a great OpenGL API design!
using (var buffer = new ZeroIndexBuffer(DrawMode.LineLoop,
zeroIndexBufferPtr.FirstVertex, zeroIndexBufferPtr.VertexCount))
{
indexBufferPtr = buffer.GetBufferPtr() as ZeroIndexBufferPtr;
}
modernRenderer.Render4InnerPicking(arg, indexBufferPtr);
uint id = ColorCodedPicking.ReadPixel(x, y, arg.CanvasRect.Height);
indexBufferPtr.Dispose();
if (id == zeroIndexBufferPtr.FirstVertex)
{ return new uint[] { (uint)(zeroIndexBufferPtr.FirstVertex + zeroIndexBufferPtr.VertexCount - 1), id, }; }
else
{ return new uint[] { id - 1, id, }; }
}
internal override uint Search(RenderEventArg arg,
int x, int y,
uint lastVertexId, ZeroIndexRenderer modernRenderer)
{
ZeroIndexBufferPtr zeroIndexBufferPtr = modernRenderer.IndexBufferPtr;
ZeroIndexBufferPtr indexBufferPtr = null;
// when the temp index buffer could be long, it's no longer needed.
// what a great OpenGL API design!
using (var buffer = new ZeroIndexBuffer(DrawMode.Points,
zeroIndexBufferPtr.FirstVertex, zeroIndexBufferPtr.VertexCount))
{
indexBufferPtr = buffer.GetBufferPtr() as ZeroIndexBufferPtr;
}
modernRenderer.Render4InnerPicking(arg, indexBufferPtr);
uint id = ColorCodedPicking.ReadPixel(x, y, arg.CanvasRect.Height);
indexBufferPtr.Dispose();
if (zeroIndexBufferPtr.FirstVertex <= id
&& id < zeroIndexBufferPtr.FirstVertex + zeroIndexBufferPtr.VertexCount)
{ return id; }
else
{ throw new Exception("This should not happen!"); }
}