MoonWorks/src/Graphics/GraphicsDevice.cs

110 lines
3.2 KiB
C#

using System;
using System.Collections.Generic;
using RefreshCS;
namespace MoonWorks.Graphics
{
public class GraphicsDevice : IDisposable
{
public IntPtr Handle { get; }
public bool IsDisposed { get; private set; }
private readonly Queue<CommandBuffer> commandBufferPool;
public GraphicsDevice(
IntPtr deviceWindowHandle,
Refresh.PresentMode presentMode,
bool debugMode,
int initialCommandBufferPoolSize = 4
) {
var presentationParameters = new Refresh.PresentationParameters
{
deviceWindowHandle = deviceWindowHandle,
presentMode = presentMode
};
Handle = Refresh.Refresh_CreateDevice(
ref presentationParameters,
Conversions.BoolToByte(debugMode)
);
commandBufferPool = new Queue<CommandBuffer>(initialCommandBufferPoolSize);
for (var i = 0; i < initialCommandBufferPoolSize; i += 1)
{
commandBufferPool.Enqueue(new CommandBuffer(this));
}
}
public CommandBuffer AcquireCommandBuffer()
{
var commandBufferHandle = Refresh.Refresh_AcquireCommandBuffer(Handle, 0);
if (commandBufferPool.Count == 0)
{
commandBufferPool.Enqueue(new CommandBuffer(this));
}
var commandBuffer = commandBufferPool.Dequeue();
commandBuffer.Handle = commandBufferHandle;
return commandBuffer;
}
public unsafe void Submit(params CommandBuffer[] commandBuffers)
{
var commandBufferPtrs = stackalloc IntPtr[commandBuffers.Length];
for (var i = 0; i < commandBuffers.Length; i += 1)
{
commandBufferPtrs[i] = commandBuffers[i].Handle;
}
Refresh.Refresh_Submit(
Handle,
(uint) commandBuffers.Length,
(IntPtr) commandBufferPtrs
);
// return to pool
for (var i = 0; i < commandBuffers.Length; i += 1)
{
commandBuffers[i].Handle = IntPtr.Zero;
commandBufferPool.Enqueue(commandBuffers[i]);
}
}
public void Wait()
{
Refresh.Refresh_Wait(Handle);
}
protected virtual void Dispose(bool disposing)
{
if (!IsDisposed)
{
if (disposing)
{
// TODO: dispose managed state (managed objects)
}
Refresh.Refresh_DestroyDevice(Handle);
IsDisposed = true;
}
}
// TODO: override finalizer only if 'Dispose(bool disposing)' has code to free unmanaged resources
~GraphicsDevice()
{
// Do not change this code. Put cleanup code in 'Dispose(bool disposing)' method
Dispose(disposing: false);
}
public void Dispose()
{
// Do not change this code. Put cleanup code in 'Dispose(bool disposing)' method
Dispose(disposing: true);
GC.SuppressFinalize(this);
}
}
}