| private DrawArrays ( uint mode, int first, int count ) : void | ||
| mode | uint | |
| first | int | |
| count | int | |
| return | void | |
public override void Render(RenderEventArgs arg, ShaderProgram shaderProgram)
{
if (arg.RenderMode == RenderModes.ColorCodedPicking &&
arg.PickingGeometryType == GeometryType.Point &&
this.Mode.ToGeometryType() == GeometryType.Line) // picking point from a line
{
// this maybe render points that should not appear.
// so need to select by another picking
OpenGL.DrawArrays(DrawMode.Points, this.FirstVertex, this.VertexCount);
}
else
{
OpenGL.DrawArrays(this.Mode, this.FirstVertex, this.VertexCount);
}
}
/// <summary>
///
/// </summary>
/// <param name="arg"></param>
public override void Render(RenderEventArgs arg)
{
uint mode = 0;
if (arg.PickingGeometryType == PickingGeometryType.Point &&
this.Mode.ToGeometryType() == PickingGeometryType.Line) // picking point from a line
{
// this maybe render points that should not appear.
// so need to select by another picking.
mode = (uint)DrawMode.Points;
}
else
{
mode = (uint)this.Mode;
}
int primCount = this.PrimCount;
if (primCount < 1)
{
throw new Exception("error: primCount is less than 1.");
}
else if (primCount == 1)
{
OpenGL.DrawArrays(mode, this.FirstVertex, this.RenderingVertexCount);
}
else
{
if (glDrawArraysInstanced == null)
{
glDrawArraysInstanced = OpenGL.GetDelegateFor <OpenGL.glDrawArraysInstanced>();
}
glDrawArraysInstanced(mode, this.FirstVertex, this.RenderingVertexCount, primCount);
}
}
/// <summary>
///
/// </summary>
public override void Render()
{
uint mode = (uint)this.Mode;
int primCount = this.PrimCount;
if (primCount < 1)
{
throw new Exception("error: primCount is less than 1.");
}
else if (primCount == 1)
{
OpenGL.DrawArrays(mode, this.FirstVertex, this.RenderingVertexCount);
}
else
{
if (glDrawArraysInstanced == null)
{
glDrawArraysInstanced = OpenGL.GetDelegateFor <OpenGL.glDrawArraysInstanced>();
}
glDrawArraysInstanced(mode, this.FirstVertex, this.RenderingVertexCount, primCount);
}
}
