/// <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);
}
}
}
}
/// <summary>
/// 初期化
/// </summary>
/// <param name="data"></param>
public void Initialize(InitDesc desc)
{
var device = GraphicsCore.D3D11Device;
shaderId_ = desc.id;
name_ = desc.name;
if (desc.file_name != null)
{
// ファイルから生成
// バイナリキャッシング
string cacheDir = System.IO.Path.GetDirectoryName(desc.file_name) + "/cache";
if (!System.IO.Directory.Exists(cacheDir))
{
System.IO.Directory.CreateDirectory(cacheDir);
}
string cacheFile = cacheDir + "/" + desc.name + "_" + desc.vs_main + "_" + desc.ps_main;
string vsCacheFile = cacheFile + ".vsc";
string psCacheFile = cacheFile + ".psc";
// 頂点シェーダキャッシュ読み取り
ShaderBytecode vsBytecode = null;
if (System.IO.File.Exists(vsCacheFile))
{
DateTime cacheTime = System.IO.File.GetLastWriteTime(vsCacheFile);
DateTime editTime = System.IO.File.GetLastWriteTime(desc.file_name);
if (cacheTime > editTime)
{
System.IO.FileStream stream = new System.IO.FileStream(vsCacheFile, FileMode.Open);
var bytes = new byte[stream.Length];
stream.Read(bytes, 0, (int)stream.Length);
vsBytecode = new ShaderBytecode(new SlimDX.DataStream(bytes, true, false));
}
}
// キャッシュになければコンパイルして生成
ShaderIncludeHandler inc = null;
if (vsBytecode == null)
{
inc = new ShaderIncludeHandler(System.IO.Path.GetDirectoryName(desc.file_name));
vsBytecode = ShaderBytecode.CompileFromFile(desc.file_name, desc.vs_main, "vs_" + desc.profile, ShaderFlags.None, EffectFlags.None, desc.macro, inc);
// キャッシュファイル保存
System.IO.FileStream stream = new System.IO.FileStream(vsCacheFile, FileMode.Create);
vsBytecode.Data.CopyTo(stream);
stream.Close();
}
using (vsBytecode) {
vertexShader_ = new VertexShader(device, vsBytecode);
using (ShaderReflection reflect = new ShaderReflection(vsBytecode)) {
vertexAttr_ = reflect.GetVertexLayoutAttribute();
int layout_id = Shader.GetVertexLayoutID(vertexAttr_);
var signeture = ShaderSignature.GetInputSignature(vsBytecode);
inputLayout_ = new InputLayout(device, signeture, sLayoutList[layout_id]);
signeture.Dispose();
// コンスタントバッファ解決
ResolveConstantBuffer(reflect);
}
}
// ピクセルシェーダキャッシュ読み取り
if (desc.ps_main != null)
{
ShaderBytecode psBytecode = null;
if (System.IO.File.Exists(psCacheFile))
{
DateTime cacheTime = System.IO.File.GetLastWriteTime(psCacheFile);
DateTime editTime = System.IO.File.GetLastWriteTime(desc.file_name);
if (cacheTime > editTime)
{
System.IO.FileStream stream = new System.IO.FileStream(psCacheFile, FileMode.Open);
var bytes = new byte[stream.Length];
stream.Read(bytes, 0, (int)stream.Length);
psBytecode = new ShaderBytecode(new SlimDX.DataStream(bytes, true, false));
}
}
if (psBytecode == null)
{
if (inc == null)
{
inc = new ShaderIncludeHandler(System.IO.Path.GetDirectoryName(desc.file_name));
}
psBytecode = ShaderBytecode.CompileFromFile(desc.file_name, desc.ps_main, "ps_" + desc.profile, ShaderFlags.None, EffectFlags.None, desc.macro, inc);
// キャッシュファイル保存
System.IO.FileStream stream = new System.IO.FileStream(psCacheFile, FileMode.Create);
psBytecode.Data.CopyTo(stream);
stream.Close();
}
using (psBytecode) {
pixelShader_ = new PixelShader(device, psBytecode);
using (ShaderReflection reflect = new ShaderReflection(psBytecode)) {
// コンスタントバッファ解決
ResolveConstantBuffer(reflect);
}
}
}
}
else
{
// stringから生成
// 頂点シェーダ
using (var bytecode = ShaderBytecode.Compile(desc.vs_string, desc.vs_main, "vs_" + desc.profile, ShaderFlags.None, EffectFlags.None)) {
vertexShader_ = new VertexShader(device, bytecode);
using (ShaderReflection reflect = new ShaderReflection(bytecode)) {
vertexAttr_ = reflect.GetVertexLayoutAttribute();
int layout_id = Shader.GetVertexLayoutID(vertexAttr_);
var signeture = ShaderSignature.GetInputSignature(bytecode);
inputLayout_ = new InputLayout(device, signeture, sLayoutList[layout_id]);
signeture.Dispose();
// コンスタントバッファ解決
ResolveConstantBuffer(reflect);
}
}
// ピクセルシェーダ
if (desc.ps_main != null)
{
using (var bytecode = ShaderBytecode.Compile(desc.ps_string, desc.ps_main, "ps_" + desc.profile, ShaderFlags.None, EffectFlags.None)) {
pixelShader_ = new PixelShader(device, bytecode);
using (ShaderReflection reflect = new ShaderReflection(bytecode)) {
// コンスタントバッファ解決
ResolveConstantBuffer(reflect);
}
}
}
}
Initilaized = true;
}