mirror of
https://github.com/ncblakely/GiantsTools
synced 2024-11-24 23:25:37 +01:00
302 lines
9.2 KiB
C++
302 lines
9.2 KiB
C++
//--------------------------------------------------------------------------------------
|
|
// File: PBREffectFactory.cpp
|
|
//
|
|
// Copyright (c) Microsoft Corporation. All rights reserved.
|
|
// Licensed under the MIT License.
|
|
//
|
|
// http://go.microsoft.com/fwlink/?LinkId=248929
|
|
//--------------------------------------------------------------------------------------
|
|
|
|
#include "pch.h"
|
|
#include "Effects.h"
|
|
#include "DemandCreate.h"
|
|
#include "SharedResourcePool.h"
|
|
|
|
#include "DDSTextureLoader.h"
|
|
#include "WICTextureLoader.h"
|
|
|
|
using namespace DirectX;
|
|
using Microsoft::WRL::ComPtr;
|
|
|
|
// Internal PBREffectFactory implementation class. Only one of these helpers is allocated
|
|
// per D3D device, even if there are multiple public facing PBREffectFactory instances.
|
|
class PBREffectFactory::Impl
|
|
{
|
|
public:
|
|
Impl(_In_ ID3D11Device* device)
|
|
: mPath{},
|
|
mDevice(device),
|
|
mSharing(true),
|
|
mForceSRGB(false)
|
|
{}
|
|
|
|
std::shared_ptr<IEffect> CreateEffect(_In_ IEffectFactory* factory, _In_ const IEffectFactory::EffectInfo& info, _In_opt_ ID3D11DeviceContext* deviceContext);
|
|
void CreateTexture(_In_z_ const wchar_t* texture, _In_opt_ ID3D11DeviceContext* deviceContext, _Outptr_ ID3D11ShaderResourceView** textureView);
|
|
|
|
void ReleaseCache();
|
|
void SetSharing(bool enabled) noexcept { mSharing = enabled; }
|
|
void EnableForceSRGB(bool forceSRGB) noexcept { mForceSRGB = forceSRGB; }
|
|
|
|
static SharedResourcePool<ID3D11Device*, Impl> instancePool;
|
|
|
|
wchar_t mPath[MAX_PATH];
|
|
|
|
ComPtr<ID3D11Device> mDevice;
|
|
|
|
private:
|
|
using EffectCache = std::map< std::wstring, std::shared_ptr<IEffect> >;
|
|
using TextureCache = std::map< std::wstring, ComPtr<ID3D11ShaderResourceView> >;
|
|
|
|
EffectCache mEffectCache;
|
|
TextureCache mTextureCache;
|
|
|
|
bool mSharing;
|
|
bool mForceSRGB;
|
|
|
|
std::mutex mutex;
|
|
};
|
|
|
|
|
|
// Global instance pool.
|
|
SharedResourcePool<ID3D11Device*, PBREffectFactory::Impl> PBREffectFactory::Impl::instancePool;
|
|
|
|
|
|
_Use_decl_annotations_
|
|
std::shared_ptr<IEffect> PBREffectFactory::Impl::CreateEffect(IEffectFactory* factory, const IEffectFactory::EffectInfo& info, ID3D11DeviceContext* deviceContext)
|
|
{
|
|
if (mSharing && info.name && *info.name)
|
|
{
|
|
auto it = mEffectCache.find(info.name);
|
|
if (mSharing && it != mEffectCache.end())
|
|
{
|
|
return it->second;
|
|
}
|
|
}
|
|
|
|
auto effect = std::make_shared<PBREffect>(mDevice.Get());
|
|
|
|
// We don't use EnableDefaultLighting generally for PBR as it uses Image-Based Lighting instead.
|
|
|
|
effect->SetAlpha(info.alpha);
|
|
|
|
ComPtr<ID3D11ShaderResourceView> albetoSrv;
|
|
if (info.diffuseTexture && *info.diffuseTexture)
|
|
{
|
|
factory->CreateTexture(info.diffuseTexture, deviceContext, albetoSrv.GetAddressOf());
|
|
}
|
|
|
|
ComPtr<ID3D11ShaderResourceView> normalSrv;
|
|
if (info.normalTexture && *info.normalTexture)
|
|
{
|
|
factory->CreateTexture(info.normalTexture, deviceContext, normalSrv.GetAddressOf());
|
|
}
|
|
|
|
ComPtr<ID3D11ShaderResourceView> rmaSrv;
|
|
if (info.specularTexture && *info.specularTexture)
|
|
{
|
|
// We use the specular texture for the roughness/metalness/ambient-occlusion texture
|
|
factory->CreateTexture(info.specularTexture, deviceContext, rmaSrv.GetAddressOf());
|
|
}
|
|
|
|
effect->SetSurfaceTextures(albetoSrv.Get(), normalSrv.Get(), rmaSrv.Get());
|
|
|
|
if (info.emissiveTexture && *info.emissiveTexture)
|
|
{
|
|
ComPtr<ID3D11ShaderResourceView> srv;
|
|
factory->CreateTexture(info.emissiveTexture, deviceContext, srv.GetAddressOf());
|
|
|
|
effect->SetEmissiveTexture(srv.Get());
|
|
}
|
|
|
|
if (info.biasedVertexNormals)
|
|
{
|
|
effect->SetBiasedVertexNormals(true);
|
|
}
|
|
|
|
if (mSharing && info.name && *info.name)
|
|
{
|
|
std::lock_guard<std::mutex> lock(mutex);
|
|
EffectCache::value_type v(info.name, effect);
|
|
mEffectCache.insert(v);
|
|
}
|
|
|
|
return std::move(effect);
|
|
}
|
|
|
|
_Use_decl_annotations_
|
|
void PBREffectFactory::Impl::CreateTexture(const wchar_t* name, ID3D11DeviceContext* deviceContext, ID3D11ShaderResourceView** textureView)
|
|
{
|
|
if (!name || !textureView)
|
|
throw std::exception("invalid arguments");
|
|
|
|
#if defined(_XBOX_ONE) && defined(_TITLE)
|
|
UNREFERENCED_PARAMETER(deviceContext);
|
|
#endif
|
|
|
|
auto it = mTextureCache.find(name);
|
|
|
|
if (mSharing && it != mTextureCache.end())
|
|
{
|
|
ID3D11ShaderResourceView* srv = it->second.Get();
|
|
srv->AddRef();
|
|
*textureView = srv;
|
|
}
|
|
else
|
|
{
|
|
wchar_t fullName[MAX_PATH] = {};
|
|
wcscpy_s(fullName, mPath);
|
|
wcscat_s(fullName, name);
|
|
|
|
WIN32_FILE_ATTRIBUTE_DATA fileAttr = {};
|
|
if (!GetFileAttributesExW(fullName, GetFileExInfoStandard, &fileAttr))
|
|
{
|
|
// Try Current Working Directory (CWD)
|
|
wcscpy_s(fullName, name);
|
|
if (!GetFileAttributesExW(fullName, GetFileExInfoStandard, &fileAttr))
|
|
{
|
|
DebugTrace("ERROR: PBREffectFactory could not find texture file '%ls'\n", name);
|
|
throw std::exception("CreateTexture");
|
|
}
|
|
}
|
|
|
|
wchar_t ext[_MAX_EXT];
|
|
_wsplitpath_s(name, nullptr, 0, nullptr, 0, nullptr, 0, ext, _MAX_EXT);
|
|
|
|
if (_wcsicmp(ext, L".dds") == 0)
|
|
{
|
|
HRESULT hr = CreateDDSTextureFromFileEx(
|
|
mDevice.Get(), fullName, 0,
|
|
D3D11_USAGE_DEFAULT, D3D11_BIND_SHADER_RESOURCE, 0, 0,
|
|
mForceSRGB, nullptr, textureView);
|
|
if (FAILED(hr))
|
|
{
|
|
DebugTrace("ERROR: CreateDDSTextureFromFile failed (%08X) for '%ls'\n",
|
|
static_cast<unsigned int>(hr), fullName);
|
|
throw std::exception("CreateDDSTextureFromFile");
|
|
}
|
|
}
|
|
#if !defined(_XBOX_ONE) || !defined(_TITLE)
|
|
else if (deviceContext)
|
|
{
|
|
std::lock_guard<std::mutex> lock(mutex);
|
|
HRESULT hr = CreateWICTextureFromFileEx(
|
|
mDevice.Get(), deviceContext, fullName, 0,
|
|
D3D11_USAGE_DEFAULT, D3D11_BIND_SHADER_RESOURCE, 0, 0,
|
|
mForceSRGB ? WIC_LOADER_FORCE_SRGB : WIC_LOADER_DEFAULT, nullptr, textureView);
|
|
if (FAILED(hr))
|
|
{
|
|
DebugTrace("ERROR: CreateWICTextureFromFile failed (%08X) for '%ls'\n",
|
|
static_cast<unsigned int>(hr), fullName);
|
|
throw std::exception("CreateWICTextureFromFile");
|
|
}
|
|
}
|
|
#endif
|
|
else
|
|
{
|
|
HRESULT hr = CreateWICTextureFromFileEx(
|
|
mDevice.Get(), fullName, 0,
|
|
D3D11_USAGE_DEFAULT, D3D11_BIND_SHADER_RESOURCE, 0, 0,
|
|
mForceSRGB ? WIC_LOADER_FORCE_SRGB : WIC_LOADER_DEFAULT, nullptr, textureView);
|
|
if (FAILED(hr))
|
|
{
|
|
DebugTrace("ERROR: CreateWICTextureFromFile failed (%08X) for '%ls'\n",
|
|
static_cast<unsigned int>(hr), fullName);
|
|
throw std::exception("CreateWICTextureFromFile");
|
|
}
|
|
}
|
|
|
|
if (mSharing && *name && it == mTextureCache.end())
|
|
{
|
|
std::lock_guard<std::mutex> lock(mutex);
|
|
TextureCache::value_type v(name, *textureView);
|
|
mTextureCache.insert(v);
|
|
}
|
|
}
|
|
}
|
|
|
|
void PBREffectFactory::Impl::ReleaseCache()
|
|
{
|
|
std::lock_guard<std::mutex> lock(mutex);
|
|
mEffectCache.clear();
|
|
mTextureCache.clear();
|
|
}
|
|
|
|
|
|
|
|
//--------------------------------------------------------------------------------------
|
|
// PBREffectFactory
|
|
//--------------------------------------------------------------------------------------
|
|
|
|
PBREffectFactory::PBREffectFactory(_In_ ID3D11Device* device)
|
|
: pImpl(Impl::instancePool.DemandCreate(device))
|
|
{
|
|
}
|
|
|
|
PBREffectFactory::~PBREffectFactory()
|
|
{
|
|
}
|
|
|
|
|
|
PBREffectFactory::PBREffectFactory(PBREffectFactory&& moveFrom) noexcept
|
|
: pImpl(std::move(moveFrom.pImpl))
|
|
{
|
|
}
|
|
|
|
PBREffectFactory& PBREffectFactory::operator= (PBREffectFactory&& moveFrom) noexcept
|
|
{
|
|
pImpl = std::move(moveFrom.pImpl);
|
|
return *this;
|
|
}
|
|
|
|
_Use_decl_annotations_
|
|
std::shared_ptr<IEffect> PBREffectFactory::CreateEffect(const EffectInfo& info, ID3D11DeviceContext* deviceContext)
|
|
{
|
|
return pImpl->CreateEffect(this, info, deviceContext);
|
|
}
|
|
|
|
_Use_decl_annotations_
|
|
void PBREffectFactory::CreateTexture(const wchar_t* name, ID3D11DeviceContext* deviceContext, ID3D11ShaderResourceView** textureView)
|
|
{
|
|
return pImpl->CreateTexture(name, deviceContext, textureView);
|
|
}
|
|
|
|
void PBREffectFactory::ReleaseCache()
|
|
{
|
|
pImpl->ReleaseCache();
|
|
}
|
|
|
|
void PBREffectFactory::SetSharing(bool enabled) noexcept
|
|
{
|
|
pImpl->SetSharing(enabled);
|
|
}
|
|
|
|
void PBREffectFactory::EnableForceSRGB(bool forceSRGB) noexcept
|
|
{
|
|
pImpl->EnableForceSRGB(forceSRGB);
|
|
}
|
|
|
|
void PBREffectFactory::SetDirectory(_In_opt_z_ const wchar_t* path) noexcept
|
|
{
|
|
if (path && *path != 0)
|
|
{
|
|
wcscpy_s(pImpl->mPath, path);
|
|
size_t len = wcsnlen(pImpl->mPath, MAX_PATH);
|
|
if (len > 0 && len < (MAX_PATH - 1))
|
|
{
|
|
// Ensure it has a trailing slash
|
|
if (pImpl->mPath[len - 1] != L'\\')
|
|
{
|
|
pImpl->mPath[len] = L'\\';
|
|
pImpl->mPath[len + 1] = 0;
|
|
}
|
|
}
|
|
}
|
|
else
|
|
*pImpl->mPath = 0;
|
|
}
|
|
|
|
ID3D11Device* PBREffectFactory::GetDevice() const noexcept
|
|
{
|
|
return pImpl->mDevice.Get();
|
|
}
|