/// <summary>
/// コンスタントバッファ解決
/// </summary>
/// <param name="reflection"></param>
private void ResolveConstantBuffer(ShaderReflection reflection)
{
// すべてのコンスタントバッファを名前で辞書化する
if (constantBufferObjects_ == null)
{
constantBufferObjects_ = new List <ConstantBufferObject>();
}
var list = reflection.GetConstantBufferNameList();
foreach (var n in list)
{
int bind_index = 0;
if (reflection.FindConstantBufferByName(n, out bind_index))
{
if (!constantBufferDictionary_.ContainsKey(n))
{
var obj = new ConstantBufferObject();
obj.name_ = n;
obj.isSystem_ = false;
obj.inst_ = reflection.CreateConstantBufferInstance(n);
BufferDescription buffer_desc = new BufferDescription();
buffer_desc.Usage = ResourceUsage.Default;
buffer_desc.CpuAccessFlags = CpuAccessFlags.None;
buffer_desc.BindFlags = BindFlags.ConstantBuffer;
buffer_desc.SizeInBytes = obj.inst_.BufferSize;
obj.buffer_ = new D3D11Buffer(GraphicsCore.D3D11Device, buffer_desc);
constantBufferDictionary_[n] = obj;
}
// システムのCBufferか?
if (SystemCBufferNameList.Contains(n))
{
int index = 0;
foreach (string s in SystemCBufferNameList)
{
if (s == n)
{
break;
}
index++;
}
cbufferBindFlag_ |= 1u << index;
constantBufferDictionary_[n].isSystem_ = true;
}
constantBufferObjects_.Add(constantBufferDictionary_[n]);
nativeCBuffers_[bind_index] = constantBufferDictionary_[n].buffer_;
if (cbufferNum_ < (bind_index + 1))
{
cbufferNum_ = bind_index + 1;
}
}
}
}
/// <summary>
/// 生成
/// </summary>
/// <param name="desc"></param>
public ComputeShader(InitDesc desc)
{
var device = GraphicsCore.D3D11Device;
var inc = new ShaderIncludeHandler(System.IO.Path.GetDirectoryName(desc.file_name));
using (var bytecode = ShaderBytecode.CompileFromFile(desc.file_name, desc.main, "cs_5_0", ShaderFlags.None, EffectFlags.None, desc.macro, inc)) {
shader_ = new D3DComputeShader(device, bytecode);
using (ShaderReflection reflect = new ShaderReflection(bytecode)) {
// コンスタントバッファ解決
cbInst_ = reflect.CreateConstantBufferInstance("CB"); // 現状名前固定
if (cbInst_ != null)
{
BufferDescription buffer_desc = new BufferDescription();
buffer_desc.Usage = ResourceUsage.Default;
buffer_desc.CpuAccessFlags = CpuAccessFlags.None;
buffer_desc.BindFlags = BindFlags.ConstantBuffer;
buffer_desc.SizeInBytes = cbInst_.BufferSize;
constantBuffer_ = new D3D11Buffer(GraphicsCore.D3D11Device, buffer_desc);
}
}
}
}