public virtual void ReplaceBufferData(OpenGL gl, OGLBufferDataTarget target, int offset, int size, IntPtr newData,
bool bind = false, OGLBindBufferTarget bindTarget = OGLBindBufferTarget.ArrayBuffer)
{
if (bind)
{
BindBuffer(gl, bindTarget);
}
gl.BufferSubData((uint)target, offset, size, newData);
}
/// <summary>
/// Calls the glBufferData(...). The size will be used as value for Size property.
/// </summary>
/// <param name="gl">The gl.</param>
/// <param name="target">The buffer data target.</param>
/// <param name="size">The size of the data buffer.</param>
/// <param name="data">The pointer to the data in memory.</param>
/// <param name="usage">The usage.</param>
public virtual void SetBufferData(OpenGL gl, OGLBufferDataTarget target, int size, IntPtr data, OGLModelUsage usage, int stride, OGLType bufferDataType,
bool bind = false, OGLBindBufferTarget bindTarget = OGLBindBufferTarget.ArrayBuffer)
{
Size = size / stride;
Stride = stride;
if (bind)
{
BindBuffer(gl, bindTarget);
}
gl.BufferData((uint)target, size, data, (uint)usage);
}
public virtual void ReplaceBufferData(OpenGL gl, OGLBufferDataTarget target, int offset, uint[] newData,
bool bind = false, OGLBindBufferTarget bindTarget = OGLBindBufferTarget.ArrayBuffer)
{
IntPtr newDataPtr;
// Unsafe code.
unsafe
{
// Fix the pointer to the array.
fixed(uint *pArray = newData)
{
// pArray now has the pointer to the array. You can get an IntPtr by casting to void, and passing that in.
newDataPtr = new IntPtr((void *)pArray);
}
}
ReplaceBufferData(gl, target, offset, newData.Length, newDataPtr, bind, bindTarget);
}
/// <summary>
/// Calls glBindBuffer.
/// </summary>
/// <param name="gl"></param>
public virtual void BindBuffer(OpenGL gl, OGLBindBufferTarget target, VertexAttribPointer pointer = null)
{
gl.BindBuffer((uint)target, BufferId.Value);
VertexAttribPointer pointerToUse = null;
if (pointer != null)
{
pointerToUse = pointer;
}
else if (VertexAttribPointer != null)
{
pointerToUse = VertexAttribPointer;
}
if (pointerToUse != null)
{
pointerToUse.Invoke(gl);
gl.EnableVertexAttribArray(pointerToUse.Index);
}
}
/// <summary>
/// Calls glBindBuffer.
/// </summary>
/// <param name="gl"></param>
public virtual void BindBuffer(OpenGL gl, OGLBindBufferTarget target, VertexAttribPointer pointer = null)
{
gl.BindBuffer((uint)target, BufferId.Value);
VertexAttribPointer pointerToUse = null;
if (pointer != null)
pointerToUse = pointer;
else if (VertexAttribPointer != null)
pointerToUse = VertexAttribPointer;
if (pointerToUse != null)
{
pointerToUse.Invoke(gl);
gl.EnableVertexAttribArray(pointerToUse.Index);
}
}
/// <summary>
/// Calls the glBufferData(...). The size will be used as value for Size property.
/// </summary>
/// <param name="gl">The gl.</param>
/// <param name="target">The buffer data target.</param>
/// <param name="size">The size of the data buffer.</param>
/// <param name="data">The pointer to the data in memory.</param>
/// <param name="usage">The usage.</param>
public virtual void SetBufferData(OpenGL gl, OGLBufferDataTarget target, int size, IntPtr data, OGLModelUsage usage, int stride, OGLType bufferDataType,
bool bind = false, OGLBindBufferTarget bindTarget = OGLBindBufferTarget.ArrayBuffer)
{
Size = size / stride;
Stride = stride;
if(bind)
BindBuffer(gl, bindTarget);
gl.BufferData((uint)target, size, data, (uint)usage);
}
public virtual void ReplaceBufferData(OpenGL gl, OGLBufferDataTarget target, int offset, int size, IntPtr newData,
bool bind = false, OGLBindBufferTarget bindTarget = OGLBindBufferTarget.ArrayBuffer)
{
if (bind)
BindBuffer(gl, bindTarget);
gl.BufferSubData((uint)target, offset, size, newData);
}
public virtual void ReplaceBufferData(OpenGL gl, OGLBufferDataTarget target, int offset, uint[] newData,
bool bind = false, OGLBindBufferTarget bindTarget = OGLBindBufferTarget.ArrayBuffer)
{
IntPtr newDataPtr;
// Unsafe code.
unsafe
{
// Fix the pointer to the array.
fixed (uint* pArray = newData)
{
// pArray now has the pointer to the array. You can get an IntPtr by casting to void, and passing that in.
newDataPtr = new IntPtr((void*)pArray);
}
}
ReplaceBufferData(gl, target, offset, newData.Length, newDataPtr, bind, bindTarget);
}
