public unsafe IndexBufferPtr GetIndex()
{
if (this.indexBufferPtr != null)
{
return(this.indexBufferPtr);
}
int vertexCount = (faceCount * 2 + 2) * (this.pipeline.Count - 1);
using (var buffer = new OneIndexBuffer <uint>(DrawMode.QuadStrip, BufferUsage.StaticDraw))
{
buffer.Create(vertexCount + (this.pipeline.Count - 1));
var array = (uint *)buffer.Header.ToPointer();
uint positionIndex = 0;
for (int i = 0; i < buffer.Length; i++)
{
if (i % (faceCount * 2 + 2 + 1) == (faceCount * 2 + 2))
{
array[i] = uint.MaxValue;//分割各个圆柱体
}
else
{
array[i] = positionIndex++;
}
}
this.indexBufferPtr = buffer.GetBufferPtr() as IndexBufferPtr;
}
return(this.indexBufferPtr);
}
/// <summary>
///
/// </summary>
protected override void DisposeUnmanagedResources()
{
VertexArrayObject vao = this.vertexArrayObject;
if (vao != null)
{
vao.Dispose();
}
VertexAttributeBufferPtr[] vbos = this.vertexAttributeBufferPtrs;
if (vbos != null)
{
foreach (var item in vbos)
{
item.Dispose();
}
}
IndexBufferPtr indexBufferPtr = this.indexBufferPtr;
if (indexBufferPtr != null)
{
indexBufferPtr.Dispose();
}
ShaderProgram program = this.Program;
if (program != null)
{
program.Dispose();
}
}
public FormIndexBufferPtrBoard(IndexBufferPtr indexBufferPtr = null)
{
InitializeComponent();
if (indexBufferPtr != null)
{
this.SetTarget(indexBufferPtr);
}
}
public FormIndexBufferPtrBoard(IndexBufferPtr indexBufferPtr = null)
{
InitializeComponent();
if (indexBufferPtr != null)
{
this.SetTarget(indexBufferPtr);
}
}
public void SetTarget(IndexBufferPtr indexBufferPtr)
{
if (indexBufferPtr == null) { throw new ArgumentNullException(); }
this.controller = indexBufferPtr.CreateController();
UpdateUI(this.controller);
this.Text = string.Format("{0}", this.controller);
}
public IndexBufferPtr GetIndexBufferPtr()
{
if (indexBufferPtr == null)
{
using (var buffer = new ZeroIndexBuffer(DrawMode.TriangleFan, 0, 4))
{
indexBufferPtr = buffer.GetBufferPtr();
}
}
return(indexBufferPtr);
}
/// <summary>
///
/// </summary>
/// <returns></returns>
public IndexBufferPtr GetIndexBufferPtr()
{
if (indexBufferPtr == null)
{
using (var buffer = new ZeroIndexBuffer(this.model.GetDrawModel(), 0, this.model.positions.Length))
{
indexBufferPtr = buffer.GetBufferPtr();
}
}
return(indexBufferPtr);
}
public IndexBufferPtr GetIndex()
{
if (indexBufferPtr == null)
{
using (var buffer = new ZeroIndexBuffer(DrawMode.Points, 0, particleCount))
{
indexBufferPtr = buffer.GetBufferPtr() as IndexBufferPtr;
}
}
return(indexBufferPtr);
}
public void SetTarget(IndexBufferPtr indexBufferPtr)
{
if (indexBufferPtr == null)
{
throw new ArgumentNullException();
}
this.controller = indexBufferPtr.CreateController();
UpdateUI(this.controller);
this.Text = string.Format("{0}", this.controller);
}
public IndexBufferPtr GetIndex()
{
if (indexBufferPtr == null)
{
using (var buffer = new ZeroIndexBuffer(
DrawMode.TriangleFan, 0, vertsData.Length))
{
indexBufferPtr = buffer.GetBufferPtr() as IndexBufferPtr;
}
}
return(indexBufferPtr);
}
public IndexBufferPtr GetIndex()
{
if (indexBufferPtr == null)
{
using (var buffer = new ZeroIndexBuffer(
DrawMode.QuadStrip, 0, positions.Length))
{
indexBufferPtr = buffer.GetBufferPtr() as IndexBufferPtr;
}
}
return(indexBufferPtr);
}
public IndexBufferPtr GetIndex()
{
if (this.indexBufferPtr == null)
{
using (var buffer = new ZeroIndexBuffer(DrawMode.TriangleFan, 0, this.model.positions.Length))
{
this.indexBufferPtr = buffer.GetBufferPtr() as IndexBufferPtr;
}
return(this.indexBufferPtr);
}
return(indexBufferPtr);
}
public IndexBufferPtr GetIndex()
{
if (this.indexBufferPtr != null)
{
return(this.indexBufferPtr);
}
using (var buffer = new ZeroIndexBuffer(DrawMode.Points, 0, this.positions.Count))
{
this.indexBufferPtr = buffer.GetBufferPtr() as IndexBufferPtr;
}
return(this.indexBufferPtr);
}
/// <summary>
/// 将此Buffer的数据上传到GPU内存，并获取在GPU上的指针。执行此方法后，此对象中的非托管内存即可释放掉，不再占用CPU内存。
/// Uploads this buffer to GPU memory and gets its pointer.
/// It's totally OK to free memory of unmanaged array stored in this buffer object after this method invoked.
/// </summary>
/// <returns></returns>
public IndexBufferPtr GetBufferPtr()
{
if (bufferPtr == null)
{
if (glGenBuffers == null)
{
glGenBuffers = OpenGL.GetDelegateFor <OpenGL.glGenBuffers>();
glBindBuffer = OpenGL.GetDelegateFor <OpenGL.glBindBuffer>();
glBufferData = OpenGL.GetDelegateFor <OpenGL.glBufferData>();
}
bufferPtr = Upload2GPU();
}
return(bufferPtr);
}
public IndexBufferPtr GetIndexBufferPtr()
{
if (this.indexBufferPtr == null)
{
int uCount = GetUCount(interval);
int vCount = GetVCount(interval);
using (var buffer = new OneIndexBuffer(IndexElementType.UInt, DrawMode.LineStrip, BufferUsage.StaticDraw))
{
int count = (uCount + 1) * vCount + (vCount + 1 + 1) * uCount;
buffer.Create(count);
int index = 0;
unsafe
{
var array = (uint *)buffer.Header.ToPointer();
// vertical lines.
for (int i = 0; i < vCount; i++)
{
for (int j = 0; j < uCount; j++)
{
array[index++] = (uint)(i + j * vCount);
}
array[index++] = uint.MaxValue;// primitive restart index.
}
// horizontal lines.
for (int i = 0; i < uCount; i++)
{
for (int j = 0; j < vCount; j++)
{
array[index++] = (uint)(j + i * vCount);
}
array[index++] = (uint)(0 + i * vCount);
array[index++] = uint.MaxValue;// primitive restart index.
}
}
this.indexBufferPtr = buffer.GetBufferPtr();
}
//using (var buffer = new ZeroIndexBuffer(
// DrawMode.Points, 0, uCount * vCount))
//{
// indexBufferPtr = buffer.GetBufferPtr();
//}
}
return(this.indexBufferPtr);
}
public static IndexBufferPtrController CreateController(this IndexBufferPtr indexBufferPtr)
{
{
var ptr = indexBufferPtr as ZeroIndexBufferPtr;
if (ptr != null)
{
return(new ZeroIndexBufferPtrController(ptr));
}
}
{
var ptr = indexBufferPtr as OneIndexBufferPtr;
if (ptr != null)
{
return(new OneIndexBufferPtrController(ptr));
}
}
{
throw new NotImplementedException();
}
}
public IndexBufferPtr GetIndexBufferPtr()
{
if (indexBufferPtr == null)
{
using (var buffer = new OneIndexBuffer(IndexElementType.UInt, DrawMode.Triangles, BufferUsage.StaticDraw))
{
buffer.Create(3 * 3);
unsafe
{
var array = (uint *)buffer.Header.ToPointer();
array[0] = 0; array[1] = 1; array[2] = 3;
array[3] = 0; array[4] = 3; array[5] = 2;
array[6] = 1; array[7] = 3; array[8] = 2;
}
indexBufferPtr = buffer.GetBufferPtr();
}
}
return(indexBufferPtr);
}
private IndexBufferPtr GetIndexBufferPtr()
{
IndexBufferPtr ptr = null;
using (var buffer = new OneIndexBuffer <uint>(DrawMode.QuadStrip, BufferUsage.StaticDraw))
{
int dimSize = this.DataSource.DimenSize;
buffer.Create(dimSize * 2 * (Marshal.SizeOf(typeof(HalfHexahedronIndex)) / sizeof(uint)));
unsafe
{
var array = (HalfHexahedronIndex *)buffer.Header.ToPointer();
for (int gridIndex = 0; gridIndex < dimSize; gridIndex++)
{
array[gridIndex * 2].dot0 = (uint)(8 * gridIndex + 6);
array[gridIndex * 2].dot1 = (uint)(8 * gridIndex + 2);
array[gridIndex * 2].dot2 = (uint)(8 * gridIndex + 7);
array[gridIndex * 2].dot3 = (uint)(8 * gridIndex + 3);
array[gridIndex * 2].dot4 = (uint)(8 * gridIndex + 4);
array[gridIndex * 2].dot5 = (uint)(8 * gridIndex + 0);
array[gridIndex * 2].dot6 = (uint)(8 * gridIndex + 5);
array[gridIndex * 2].dot7 = (uint)(8 * gridIndex + 1);
array[gridIndex * 2].restartIndex = uint.MaxValue;
array[gridIndex * 2 + 1].dot0 = (uint)(8 * gridIndex + 3);
array[gridIndex * 2 + 1].dot1 = (uint)(8 * gridIndex + 0);
array[gridIndex * 2 + 1].dot2 = (uint)(8 * gridIndex + 2);
array[gridIndex * 2 + 1].dot3 = (uint)(8 * gridIndex + 1);
array[gridIndex * 2 + 1].dot4 = (uint)(8 * gridIndex + 6);
array[gridIndex * 2 + 1].dot5 = (uint)(8 * gridIndex + 5);
array[gridIndex * 2 + 1].dot6 = (uint)(8 * gridIndex + 7);
array[gridIndex * 2 + 1].dot7 = (uint)(8 * gridIndex + 4);
array[gridIndex * 2 + 1].restartIndex = uint.MaxValue;
}
}
ptr = buffer.GetBufferPtr() as IndexBufferPtr;
}
return(ptr);
}
public IndexBufferPtr GetIndex()
{
if (indexBufferPtr == null)
{
if (model.positions.Length < byte.MaxValue)
{
using (var buffer = new OneIndexBuffer <byte>(DrawMode.TriangleStrip, BufferUsage.StaticDraw))
{
buffer.Alloc(model.indexes.Length);
unsafe
{
var indexArray = (byte *)buffer.Header.ToPointer();
for (int i = 0; i < model.indexes.Length; i++)
{
if (model.indexes[i] == uint.MaxValue)
{
indexArray[i] = byte.MaxValue;
}
else
{
indexArray[i] = (byte)model.indexes[i];
}
}
}
indexBufferPtr = buffer.GetBufferPtr() as IndexBufferPtr;
}
}
else if (model.positions.Length < ushort.MaxValue)
{
using (var buffer = new OneIndexBuffer <ushort>(DrawMode.TriangleStrip, BufferUsage.StaticDraw))
{
buffer.Alloc(model.indexes.Length);
unsafe
{
var indexArray = (ushort *)buffer.Header.ToPointer();
for (int i = 0; i < model.indexes.Length; i++)
{
if (model.indexes[i] == uint.MaxValue)
{
indexArray[i] = ushort.MaxValue;
}
else
{
indexArray[i] = (ushort)model.indexes[i];
}
}
}
indexBufferPtr = buffer.GetBufferPtr() as IndexBufferPtr;
}
}
else
{
using (var buffer = new OneIndexBuffer <uint>(DrawMode.TriangleStrip, BufferUsage.StaticDraw))
{
buffer.Alloc(model.indexes.Length);
unsafe
{
var indexArray = (uint *)buffer.Header.ToPointer();
for (int i = 0; i < model.indexes.Length; i++)
{
indexArray[i] = model.indexes[i];
}
}
indexBufferPtr = buffer.GetBufferPtr() as IndexBufferPtr;
}
}
}
return(indexBufferPtr);
}
public IndexBufferPtr GetIndex()
{
if (indexBufferPtr == null)
{
using (var buffer = new ZeroIndexBuffer(
DrawMode.Points, 0, particleCount))
{
indexBufferPtr = buffer.GetBufferPtr() as IndexBufferPtr;
}
}
return indexBufferPtr;
}
