public QuadVertexBuffer(int amountQuads, BufferUsageHint usage)
: base(amountQuads * 4, usage)
{
int amountIndices = amountQuads * 6;
if (amountIndices > QuadIndexData.MaxAmountIndices)
{
ushort[] indices = new ushort[amountIndices];
for (ushort i = 0, j = 0; j < amountIndices; i += 4, j += 6)
{
indices[j] = i;
indices[j + 1] = (ushort)(i + 1);
indices[j + 2] = (ushort)(i + 3);
indices[j + 3] = (ushort)(i + 2);
indices[j + 4] = (ushort)(i + 3);
indices[j + 5] = (ushort)(i + 1);
}
GLWrapper.BindBuffer(BufferTarget.ElementArrayBuffer, QuadIndexData.EBO_ID);
GL.BufferData(BufferTarget.ElementArrayBuffer, (IntPtr)(amountIndices * sizeof(ushort)), indices, BufferUsageHint.StaticDraw);
QuadIndexData.MaxAmountIndices = amountIndices;
}
}
protected override void Initialise()
{
base.Initialise();
int amountIndices = amountQuads * 6;
if (amountIndices > QuadIndexData.MaxAmountIndices)
{
ushort[] indices = new ushort[amountIndices];
for (ushort i = 0, j = 0; j < amountIndices; i += TextureGLSingle.VERTICES_PER_QUAD, j += 6)
{
indices[j] = i;
indices[j + 1] = (ushort)(i + 1);
indices[j + 2] = (ushort)(i + 3);
indices[j + 3] = (ushort)(i + 2);
indices[j + 4] = (ushort)(i + 3);
indices[j + 5] = (ushort)(i + 1);
}
GLWrapper.BindBuffer(BufferTarget.ElementArrayBuffer, QuadIndexData.EBO_ID);
GL.BufferData(BufferTarget.ElementArrayBuffer, (IntPtr)(amountIndices * sizeof(ushort)), indices, BufferUsageHint.StaticDraw);
QuadIndexData.MaxAmountIndices = amountIndices;
}
}
private void resize(int amountVertices)
{
if (IsDisposed)
{
throw new ObjectDisposedException(ToString(), "Can not resize disposed vertex buffers.");
}
T[] oldVertices = Vertices;
Vertices = new T[amountVertices];
if (oldVertices != null)
{
for (int i = 0; i < oldVertices.Length && i < Vertices.Length; ++i)
{
Vertices[i] = oldVertices[i];
}
}
if (GLWrapper.BindBuffer(BufferTarget.ArrayBuffer, vboId))
{
bind_attributes();
}
GL.BufferData(BufferTarget.ArrayBuffer, (IntPtr)(Vertices.Length * Stride), IntPtr.Zero, usage);
}
public override void Bind(bool forRendering)
{
base.Bind(forRendering);
if (forRendering)
{
GLWrapper.BindBuffer(BufferTarget.ElementArrayBuffer, LinearIndexData.EBO_ID);
}
}
protected override void PreDrawMesh()
{
profile.Save();
GL.FrontFace(FrontFaceDirection.Ccw);
GLWrapper.PushScissorState(false);
GLWrapper.PushDepthInfo(new DepthInfo(false));
GLWrapper.BindBuffer(BufferTarget.ElementArrayBuffer, 0);
GLWrapper.BindBuffer(BufferTarget.ArrayBuffer, 0);
}
public virtual void Bind(bool forRendering)
{
Debug.Assert(!IsDisposed);
if (GLWrapper.BindBuffer(BufferTarget.ArrayBuffer, vboId))
{
bind_attributes();
}
}
public override void Bind(bool forRendering)
{
base.Bind(forRendering);
if (forRendering)
{
GLWrapper.BindBuffer(BufferTarget.ElementArrayBuffer, QuadIndexData.EboId);
}
}
/// <summary>
/// Initialises this <see cref="VertexBuffer{T}"/>. Guaranteed to be run on the draw thread.
/// </summary>
protected virtual void Initialise()
{
ThreadSafety.EnsureDrawThread();
GL.GenBuffers(1, out vboId);
if (GLWrapper.BindBuffer(BufferTarget.ArrayBuffer, vboId))
VertexUtils<DepthWrappingVertex<T>>.Bind();
GL.BufferData(BufferTarget.ArrayBuffer, (IntPtr)(vertices.Length * STRIDE), IntPtr.Zero, usage);
}
public virtual void Bind(bool forRendering)
{
if (IsDisposed)
{
throw new ObjectDisposedException(ToString(), "Can not bind disposed vertex buffers.");
}
if (GLWrapper.BindBuffer(BufferTarget.ArrayBuffer, vboId))
{
VertexUtils <T> .Bind();
}
}
public virtual void Bind(bool forRendering)
{
if (IsDisposed)
throw new ObjectDisposedException(ToString(), "Can not bind disposed vertex buffers.");
if (!isInitialised)
{
Initialise();
isInitialised = true;
}
if (GLWrapper.BindBuffer(BufferTarget.ArrayBuffer, vboId))
VertexUtils<DepthWrappingVertex<T>>.Bind();
}
private void resize(int amountVertices)
{
if (IsDisposed)
{
throw new ObjectDisposedException(ToString(), "Can not resize disposed vertex buffers.");
}
Array.Resize(ref Vertices, amountVertices);
if (GLWrapper.BindBuffer(BufferTarget.ArrayBuffer, vboId))
{
VertexUtils <T> .Bind();
}
GL.BufferData(BufferTarget.ArrayBuffer, (IntPtr)(Vertices.Length * STRIDE), IntPtr.Zero, usage);
}
protected override void Initialise()
{
base.Initialise();
if (amountVertices > LinearIndexData.MaxAmountIndices)
{
ushort[] indices = new ushort[amountVertices];
for (ushort i = 0; i < amountVertices; i++)
{
indices[i] = i;
}
GLWrapper.BindBuffer(BufferTarget.ElementArrayBuffer, LinearIndexData.EBO_ID);
GL.BufferData(BufferTarget.ElementArrayBuffer, (IntPtr)(amountVertices * sizeof(ushort)), indices, BufferUsageHint.StaticDraw);
LinearIndexData.MaxAmountIndices = amountVertices;
}
}
public LinearVertexBuffer(int amountVertices, PrimitiveType type, BufferUsageHint usage)
: base(amountVertices, usage)
{
Type = type;
if (amountVertices > LinearIndexData.MaxAmountIndices)
{
ushort[] indices = new ushort[amountVertices];
for (ushort i = 0; i < amountVertices; i++)
{
indices[i] = i;
}
GLWrapper.BindBuffer(BufferTarget.ElementArrayBuffer, LinearIndexData.EBO_ID);
GL.BufferData(BufferTarget.ElementArrayBuffer, (IntPtr)(amountVertices * sizeof(ushort)), indices, BufferUsageHint.StaticDraw);
LinearIndexData.MaxAmountIndices = amountVertices;
}
}
private void resize(int amountVertices)
{
Debug.Assert(!IsDisposed);
T[] oldVertices = Vertices;
Vertices = new T[amountVertices];
if (oldVertices != null)
{
for (int i = 0; i < oldVertices.Length && i < Vertices.Length; ++i)
{
Vertices[i] = oldVertices[i];
}
}
if (GLWrapper.BindBuffer(BufferTarget.ArrayBuffer, vboId))
{
bind_attributes();
}
GL.BufferData(BufferTarget.ArrayBuffer, (IntPtr)(Vertices.Length * stride), IntPtr.Zero, usage);
}
