void CreateViews(string name, BindFlags flags, SlimDX.Direct3D11.Resource resource)
{
if (flags.HasFlag(BindFlags.RenderTarget))
{
var view = new RenderTargetView(m_D3dDevice, resource);
m_RTVList.Add(name, view);
}
if (flags.HasFlag(BindFlags.DepthStencil))
{
var view = new DepthStencilView(m_D3dDevice, resource);
m_DSVList.Add(name, view);
}
if (flags.HasFlag(BindFlags.ShaderResource))
{
var view = new ShaderResourceView(m_D3dDevice, resource);
m_SRVList.Add(name, view);
}
if (flags.HasFlag(BindFlags.UnorderedAccess))
{
var view = new UnorderedAccessView(m_D3dDevice, resource);
m_UAVList.Add(name, view);
}
}
void resize(int capacity)
{
if (maximumCapacity > 0 && capacity > maximumCapacity)
{
throw new ArgumentException("Attempting to resize a dynamic buffer over it’s maximum capacity");
}
BufferDesc desc = new BufferDesc(false);
desc.Usage = Usage.Dynamic;
desc.BindFlags = usage;
desc.CPUAccessFlags = CpuAccessFlags.Write;
desc.uiSizeInBytes = capacity;
if (usage.HasFlag(BindFlags.ShaderResource))
{
desc.Mode = BufferMode.Structured;
desc.ElementByteStride = 16;
}
using (var device = context.renderContext.device)
buffer = device.CreateBuffer(ref desc, null, IntPtr.Zero, 0);
this.capacity = capacity;
if (null != m_resizedEvent)
{
foreach (var sub in m_resizedEvent)
{
sub(this, capacity);
}
}
}
/// <summary>Construct the buffer</summary>
public DynamicBuffer(Context context, BindFlags usage, int initialCapacity, int maxCapacity = 0)
{
if (RuntimeEnvironment.runningLinux && usage.HasFlag(BindFlags.UniformBuffer))
{
maxCapacity = Math.Min(maxCapacity, 64 * 1024); // That 64kb value is reported by GL_MAX_VERTEX_UNIFORM_VECTORS and GL_MAX_FRAGMENT_UNIFORM_VECTORS
}
maximumCapacity = maxCapacity;
this.usage = usage;
this.context = context;
initialCapacity = Math.Min(initialCapacity, 1024 * 2);
resize(initialCapacity.nextPowerOf2());
}
void CreateViews(string name, BindFlags flags, SlimDX.Direct3D11.Resource resource)
{
if (flags.HasFlag(BindFlags.RenderTarget))
{
var view = new RenderTargetView(m_D3dDevice, resource);
m_RTVList.Add(name, view);
}
if (flags.HasFlag(BindFlags.DepthStencil))
{
var view = new DepthStencilView(m_D3dDevice, resource);
m_DSVList.Add(name, view);
}
if (flags.HasFlag(BindFlags.ShaderResource))
{
var view = new ShaderResourceView(m_D3dDevice, resource);
m_SRVList.Add(name, view);
}
if (flags.HasFlag(BindFlags.UnorderedAccess))
{
var view = new UnorderedAccessView(m_D3dDevice, resource);
m_UAVList.Add(name, view);
}
}
private void LoadArraySlices(BindFlags bindFlags)
{
LoadArraySlices(bindFlags.HasFlag(BindFlags.RenderTarget), bindFlags.HasFlag(BindFlags.ShaderResource),
bindFlags.HasFlag(BindFlags.DepthStencil));
}