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GiantsTools/Sdk/External/DirectXTK/Src/EffectFactory.cpp
Nick Blakely 71b675f5cb Update to new SDK.
2021-01-23 15:40:09 -08:00

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//--------------------------------------------------------------------------------------
// File: EffectFactory.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 EffectFactory implementation class. Only one of these helpers is allocated
// per D3D device, even if there are multiple public facing EffectFactory instances.
class EffectFactory::Impl
{
public:
Impl(_In_ ID3D11Device* device)
: mPath{},
mDevice(device),
mSharing(true),
mUseNormalMapEffect(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 EnableNormalMapEffect(bool enabled) noexcept { mUseNormalMapEffect = 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;
EffectCache mEffectCacheSkinning;
EffectCache mEffectCacheDualTexture;
EffectCache mEffectNormalMap;
TextureCache mTextureCache;
bool mSharing;
bool mUseNormalMapEffect;
bool mForceSRGB;
std::mutex mutex;
};
// Global instance pool.
SharedResourcePool<ID3D11Device*, EffectFactory::Impl> EffectFactory::Impl::instancePool;
_Use_decl_annotations_
std::shared_ptr<IEffect> EffectFactory::Impl::CreateEffect(IEffectFactory* factory, const IEffectFactory::EffectInfo& info, ID3D11DeviceContext* deviceContext)
{
if (info.enableSkinning)
{
// SkinnedEffect
if (mSharing && info.name && *info.name)
{
auto it = mEffectCacheSkinning.find(info.name);
if (mSharing && it != mEffectCacheSkinning.end())
{
return it->second;
}
}
auto effect = std::make_shared<SkinnedEffect>(mDevice.Get());
effect->EnableDefaultLighting();
effect->SetAlpha(info.alpha);
// Skinned Effect does not have an ambient material color, or per-vertex color support
XMVECTOR color = XMLoadFloat3(&info.diffuseColor);
effect->SetDiffuseColor(color);
if (info.specularColor.x != 0 || info.specularColor.y != 0 || info.specularColor.z != 0)
{
color = XMLoadFloat3(&info.specularColor);
effect->SetSpecularColor(color);
effect->SetSpecularPower(info.specularPower);
}
else
{
effect->DisableSpecular();
}
if (info.emissiveColor.x != 0 || info.emissiveColor.y != 0 || info.emissiveColor.z != 0)
{
color = XMLoadFloat3(&info.emissiveColor);
effect->SetEmissiveColor(color);
}
if (info.diffuseTexture && *info.diffuseTexture)
{
ComPtr<ID3D11ShaderResourceView> srv;
factory->CreateTexture(info.diffuseTexture, deviceContext, srv.GetAddressOf());
effect->SetTexture(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);
mEffectCacheSkinning.insert(v);
}
return std::move(effect);
}
else if (info.enableDualTexture)
{
// DualTextureEffect
if (mSharing && info.name && *info.name)
{
auto it = mEffectCacheDualTexture.find(info.name);
if (mSharing && it != mEffectCacheDualTexture.end())
{
return it->second;
}
}
auto effect = std::make_shared<DualTextureEffect>(mDevice.Get());
// Dual texture effect doesn't support lighting (usually it's lightmaps)
effect->SetAlpha(info.alpha);
if (info.perVertexColor)
{
effect->SetVertexColorEnabled(true);
}
XMVECTOR color = XMLoadFloat3(&info.diffuseColor);
effect->SetDiffuseColor(color);
if (info.diffuseTexture && *info.diffuseTexture)
{
ComPtr<ID3D11ShaderResourceView> srv;
factory->CreateTexture(info.diffuseTexture, deviceContext, srv.GetAddressOf());
effect->SetTexture(srv.Get());
}
if (info.emissiveTexture && *info.emissiveTexture)
{
ComPtr<ID3D11ShaderResourceView> srv;
factory->CreateTexture(info.emissiveTexture, deviceContext, srv.GetAddressOf());
effect->SetTexture2(srv.Get());
}
else if (info.specularTexture && *info.specularTexture)
{
// If there's no emissive texture specified, use the specular texture as the second texture
ComPtr<ID3D11ShaderResourceView> srv;
factory->CreateTexture(info.specularTexture, deviceContext, srv.GetAddressOf());
effect->SetTexture2(srv.Get());
}
if (mSharing && info.name && *info.name)
{
std::lock_guard<std::mutex> lock(mutex);
EffectCache::value_type v(info.name, effect);
mEffectCacheDualTexture.insert(v);
}
return std::move(effect);
}
else if (info.enableNormalMaps && mUseNormalMapEffect)
{
// NormalMapEffect
if (mSharing && info.name && *info.name)
{
auto it = mEffectNormalMap.find(info.name);
if (mSharing && it != mEffectNormalMap.end())
{
return it->second;
}
}
auto effect = std::make_shared<NormalMapEffect>(mDevice.Get());
effect->EnableDefaultLighting();
effect->SetAlpha(info.alpha);
if (info.perVertexColor)
{
effect->SetVertexColorEnabled(true);
}
// NormalMap Effect does not have an ambient material color
XMVECTOR color = XMLoadFloat3(&info.diffuseColor);
effect->SetDiffuseColor(color);
if (info.specularColor.x != 0 || info.specularColor.y != 0 || info.specularColor.z != 0)
{
color = XMLoadFloat3(&info.specularColor);
effect->SetSpecularColor(color);
effect->SetSpecularPower(info.specularPower);
}
else
{
effect->DisableSpecular();
}
if (info.emissiveColor.x != 0 || info.emissiveColor.y != 0 || info.emissiveColor.z != 0)
{
color = XMLoadFloat3(&info.emissiveColor);
effect->SetEmissiveColor(color);
}
if (info.diffuseTexture && *info.diffuseTexture)
{
ComPtr<ID3D11ShaderResourceView> srv;
factory->CreateTexture(info.diffuseTexture, deviceContext, srv.GetAddressOf());
effect->SetTexture(srv.Get());
}
if (info.specularTexture && *info.specularTexture)
{
ComPtr<ID3D11ShaderResourceView> srv;
factory->CreateTexture(info.specularTexture, deviceContext, srv.GetAddressOf());
effect->SetSpecularTexture(srv.Get());
}
if (info.normalTexture && *info.normalTexture)
{
ComPtr<ID3D11ShaderResourceView> srv;
factory->CreateTexture(info.normalTexture, deviceContext, srv.GetAddressOf());
effect->SetNormalTexture(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);
mEffectNormalMap.insert(v);
}
return std::move(effect);
}
else
{
// BasicEffect
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<BasicEffect>(mDevice.Get());
effect->EnableDefaultLighting();
effect->SetLightingEnabled(true);
effect->SetAlpha(info.alpha);
if (info.perVertexColor)
{
effect->SetVertexColorEnabled(true);
}
// Basic Effect does not have an ambient material color
XMVECTOR color = XMLoadFloat3(&info.diffuseColor);
effect->SetDiffuseColor(color);
if (info.specularColor.x != 0 || info.specularColor.y != 0 || info.specularColor.z != 0)
{
color = XMLoadFloat3(&info.specularColor);
effect->SetSpecularColor(color);
effect->SetSpecularPower(info.specularPower);
}
else
{
effect->DisableSpecular();
}
if (info.emissiveColor.x != 0 || info.emissiveColor.y != 0 || info.emissiveColor.z != 0)
{
color = XMLoadFloat3(&info.emissiveColor);
effect->SetEmissiveColor(color);
}
if (info.diffuseTexture && *info.diffuseTexture)
{
ComPtr<ID3D11ShaderResourceView> srv;
factory->CreateTexture(info.diffuseTexture, deviceContext, srv.GetAddressOf());
effect->SetTexture(srv.Get());
effect->SetTextureEnabled(true);
}
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 EffectFactory::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: EffectFactory 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 EffectFactory::Impl::ReleaseCache()
{
std::lock_guard<std::mutex> lock(mutex);
mEffectCache.clear();
mEffectCacheSkinning.clear();
mEffectCacheDualTexture.clear();
mEffectNormalMap.clear();
mTextureCache.clear();
}
//--------------------------------------------------------------------------------------
// EffectFactory
//--------------------------------------------------------------------------------------
EffectFactory::EffectFactory(_In_ ID3D11Device* device)
: pImpl(Impl::instancePool.DemandCreate(device))
{
}
EffectFactory::~EffectFactory()
{
}
EffectFactory::EffectFactory(EffectFactory&& moveFrom) noexcept
: pImpl(std::move(moveFrom.pImpl))
{
}
EffectFactory& EffectFactory::operator= (EffectFactory&& moveFrom) noexcept
{
pImpl = std::move(moveFrom.pImpl);
return *this;
}
_Use_decl_annotations_
std::shared_ptr<IEffect> EffectFactory::CreateEffect(const EffectInfo& info, ID3D11DeviceContext* deviceContext)
{
return pImpl->CreateEffect(this, info, deviceContext);
}
_Use_decl_annotations_
void EffectFactory::CreateTexture(const wchar_t* name, ID3D11DeviceContext* deviceContext, ID3D11ShaderResourceView** textureView)
{
return pImpl->CreateTexture(name, deviceContext, textureView);
}
void EffectFactory::ReleaseCache()
{
pImpl->ReleaseCache();
}
void EffectFactory::SetSharing(bool enabled) noexcept
{
pImpl->SetSharing(enabled);
}
void EffectFactory::EnableNormalMapEffect(bool enabled) noexcept
{
pImpl->EnableNormalMapEffect(enabled);
}
void EffectFactory::EnableForceSRGB(bool forceSRGB) noexcept
{
pImpl->EnableForceSRGB(forceSRGB);
}
void EffectFactory::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* EffectFactory::GetDevice() const noexcept
{
return pImpl->mDevice.Get();
}
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