public void DrawUserIndexedPrimitives <T>(PrimitiveType primitiveType, T[] vertexData, int vertexOffset, int vertexCount, int[] indexData, int indexOffset, int primitiveCount) where T : IVertexType
{
// Unbind the VBOs
GL11.BindBuffer(All11.ArrayBuffer, 0);
GL11.BindBuffer(All11.ElementArrayBuffer, 0);
var vd = VertexDeclaration.FromType(typeof(T));
IntPtr arrayStart = GCHandle.Alloc(vertexData, GCHandleType.Pinned).AddrOfPinnedObject();
if (vertexOffset > 0)
{
arrayStart = new IntPtr(arrayStart.ToInt32() + (vertexOffset * vd.VertexStride));
}
VertexDeclaration.PrepareForUse(vd, arrayStart);
GL11.DrawArrays(PrimitiveTypeGL11(primitiveType), vertexOffset, getElementCountArray(primitiveType, primitiveCount));
}
public void DrawUserIndexedPrimitives <T>(PrimitiveType primitiveType, T[] vertexData, int vertexOffset, int vertexCount, short[] indexData, int indexOffset, int primitiveCount) where T : struct
{
// TODO: This needs testing!
if (indexOffset > 0 || vertexOffset > 0)
{
throw new NotImplementedException("vertexOffset and indexOffset is not yet supported.");
}
// Unload the VBOs
GL.BindBuffer(BufferTarget.ArrayBuffer, 0);
GL.BindBuffer(BufferTarget.ElementArrayBuffer, 0);
var vd = VertexDeclaration.FromType(typeof(T));
VertexDeclaration.PrepareForUse(vd);
GL.DrawElements(PrimitiveTypeGL11(primitiveType), vertexCount, DrawElementsType.UnsignedShort, indexData);
}
public void DrawUserPrimitives <T>(PrimitiveType primitiveType, T[] vertexData, int vertexOffset, int primitiveCount) where T : struct//, IVertexType GG TODO
{
// Unbind the VBOs
// GG TODO do we need this?
//GL.BindBuffer(BufferTarget.ArrayBuffer, 0);
//GL.BindBuffer(BufferTarget.ElementArrayBuffer, 0);
var vd = VertexDeclaration.FromType(typeof(T));
IntPtr arrayStart = GCHandle.Alloc(vertexData, GCHandleType.Pinned).AddrOfPinnedObject();
if (vertexOffset > 0)
{
arrayStart = new IntPtr(arrayStart.ToInt32() + (vertexOffset * vd.VertexStride));
}
VertexDeclaration.PrepareForUse(vd, arrayStart);
GL.DrawArrays(PrimitiveTypeGL(primitiveType), vertexOffset, getElementCountArray(primitiveType, primitiveCount));
}
public void DrawUserPrimitives <T>(PrimitiveType primitiveType, T[] vertexData, int vertexOffset, int primitiveCount) where T : struct, IVertexType
{
// Unbind the VBOs
GL.BindBuffer(All.ArrayBuffer, 0);
GL.BindBuffer(All.ElementArrayBuffer, 0);
//Create VBO if not created already
if (VboIdArray == 0)
{
GL.GenBuffers(1, ref VboIdArray);
}
// Bind the VBO
GL.BindBuffer(All.ArrayBuffer, VboIdArray);
////Clear previous data
GL.BufferData(All.ArrayBuffer, (IntPtr)0, (IntPtr)null, All.DynamicDraw);
//Get VertexDeclaration
var vd = VertexDeclaration.FromType(typeof(T));
//Pin data
var handle = GCHandle.Alloc(vertexData, GCHandleType.Pinned);
//Buffer data to VBO; This should use stream when we move to ES2.0
GL.BufferData(All.ArrayBuffer, (IntPtr)(vd.VertexStride * GetElementCountArray(primitiveType, primitiveCount)), vertexData, All.DynamicDraw);
//Setup VertexDeclaration
VertexDeclaration.PrepareForUse(vd);
//Draw
GL.DrawArrays(PrimitiveTypeGL11(primitiveType), vertexOffset, GetElementCountArray(primitiveType, primitiveCount));
// Free resources
GL.BindBuffer(All.ArrayBuffer, 0);
GL.BindBuffer(All.ElementArrayBuffer, 0);
handle.Free();
}
public VertexBuffer(GraphicsDevice graphicsDevice, Type type, int vertexCount, BufferUsage bufferUsage) :
this(graphicsDevice, VertexDeclaration.FromType(type), vertexCount, bufferUsage, false)
{
}
public DynamicVertexBuffer(GraphicsDevice graphicsDevice, Type type, int vertexCount, BufferUsage bufferUsage)
: base(graphicsDevice, VertexDeclaration.FromType(type), vertexCount, bufferUsage, true)
{
}
public void DrawUserIndexedPrimitives <T>(PrimitiveType primitiveType, T[] vertexData, int vertexOffset, int vertexCount, short[] indexData, int indexOffset, int primitiveCount) where T : struct, IVertexType
{
// we need to reset vertex states afterwards
resetVertexStates = true;
// Set up our Graphics States
SetGraphicsStates();
// Unbind the VBOs
GL.BindBuffer(BufferTarget.ArrayBuffer, 0);
GL.BindBuffer(BufferTarget.ElementArrayBuffer, 0);
//Create VBO if not created already
if (VboIdArray == 0)
{
GL.GenBuffers(1, out VboIdArray);
}
if (VboIdElement == 0)
{
GL.GenBuffers(1, out VboIdElement);
}
// Bind the VBO
GL.BindBuffer(BufferTarget.ArrayBuffer, VboIdArray);
GL.BindBuffer(BufferTarget.ElementArrayBuffer, VboIdElement);
////Clear previous data
GL.BufferData(BufferTarget.ArrayBuffer, (IntPtr)0, (IntPtr)null, BufferUsageHint.DynamicDraw);
GL.BufferData(BufferTarget.ElementArrayBuffer, (IntPtr)0, (IntPtr)null, BufferUsageHint.DynamicDraw);
//Get VertexDeclaration
var vd = VertexDeclaration.FromType(typeof(T));
//Pin data
var handle = GCHandle.Alloc(vertexData, GCHandleType.Pinned);
var handle2 = GCHandle.Alloc(vertexData, GCHandleType.Pinned);
//Buffer data to VBO; This should use stream when we move to ES2.0
// int vds = vd.VertexStride;
// int ec = GetElementCountArray(primitiveType, primitiveCount);
// int sec = vd.VertexStride * GetElementCountArray(primitiveType, primitiveCount);
// IntPtr ip = (IntPtr)(vd.VertexStride * GetElementCountArray(primitiveType, primitiveCount));
// IntPtr ip2 = new IntPtr(handle.AddrOfPinnedObject().ToInt64() + (vertexOffset * vd.VertexStride));
GL.BufferData(BufferTarget.ArrayBuffer, (IntPtr)(vd.VertexStride * GetElementCountArray(primitiveType, primitiveCount)),
new IntPtr(handle.AddrOfPinnedObject().ToInt64() + (vertexOffset * vd.VertexStride)), BufferUsageHint.DynamicDraw);
GL.BufferData(BufferTarget.ElementArrayBuffer, (IntPtr)(sizeof(ushort) * GetElementCountArray(primitiveType, primitiveCount)), indexData, BufferUsageHint.DynamicDraw);
//Setup VertexDeclaration
VertexDeclaration.PrepareForUse(vd);
//Draw
GL.DrawElements(PrimitiveTypeGL11(primitiveType), GetElementCountArray(primitiveType, primitiveCount), DrawElementsType.UnsignedShort, (IntPtr)(indexOffset * sizeof(ushort)));
// Free resources
GL.BindBuffer(BufferTarget.ArrayBuffer, 0);
GL.BindBuffer(BufferTarget.ElementArrayBuffer, 0);
handle.Free();
handle2.Free();
// Unset our Graphics States
UnsetGraphicsStates();
}
public void DrawIndexedPrimitives(PrimitiveType primitiveType, int baseVertex, int minVertexIndex, int numbVertices, int startIndex, int primitiveCount)
{
if (minVertexIndex > 0 || baseVertex > 0)
{
throw new NotImplementedException("baseVertex > 0 and minVertexIndex > 0 are not supported");
}
// we need to reset vertex states afterwards
resetVertexStates = true;
// Set up our Graphics States
SetGraphicsStates();
// Unbind the VBOs
GL.BindBuffer(BufferTarget.ArrayBuffer, 0);
GL.BindBuffer(BufferTarget.ElementArrayBuffer, 0);
//Create VBO if not created already
if (VboIdArray == 0)
{
GL.GenBuffers(1, out VboIdArray);
}
if (VboIdElement == 0)
{
GL.GenBuffers(1, out VboIdElement);
}
// Bind the VBO
GL.BindBuffer(BufferTarget.ArrayBuffer, VboIdArray);
GL.BindBuffer(BufferTarget.ElementArrayBuffer, VboIdElement);
////Clear previous data
GL.BufferData(BufferTarget.ArrayBuffer, (IntPtr)0, (IntPtr)null, BufferUsageHint.DynamicDraw);
GL.BufferData(BufferTarget.ElementArrayBuffer, (IntPtr)0, (IntPtr)null, BufferUsageHint.DynamicDraw);
//Get VertexDeclaration
var vd = _vertexBuffer.VertexDeclaration;
if (vd == null)
{
vd = VertexDeclaration.FromType(_vertexBuffer._type);
}
//Pin data
var handle = GCHandle.Alloc(_vertexBuffer, GCHandleType.Pinned);
var handle2 = GCHandle.Alloc(_vertexBuffer, GCHandleType.Pinned);
//Buffer data to VBO; This should use stream when we move to ES2.0
GL.BufferData(BufferTarget.ArrayBuffer,
(IntPtr)(vd.VertexStride * GetElementCountArray(primitiveType, primitiveCount)),
_vertexBuffer._bufferPtr,
BufferUsageHint.DynamicDraw);
GL.BufferData(BufferTarget.ElementArrayBuffer,
(IntPtr)(sizeof(ushort) * GetElementCountArray(primitiveType, primitiveCount)),
_indexBuffer._bufferPtr,
BufferUsageHint.DynamicDraw);
//Setup VertexDeclaration
VertexDeclaration.PrepareForUse(vd);
//Draw
GL.DrawElements(PrimitiveTypeGL11(primitiveType),
GetElementCountArray(primitiveType, primitiveCount),
DrawElementsType.UnsignedShort,
(IntPtr)(startIndex * sizeof(ushort)));
// Free resources
GL.BindBuffer(BufferTarget.ArrayBuffer, 0);
GL.BindBuffer(BufferTarget.ElementArrayBuffer, 0);
handle.Free();
handle2.Free();
UnsetGraphicsStates();
}
