lowpoly-walking-simulator/directx11_hellovr/DirectXTK/Src/EffectFactory.cpp

399 lines
12 KiB
C++
Raw Permalink Normal View History

2024-11-14 11:54:38 +00:00
//--------------------------------------------------------------------------------------
// File: EffectFactory.cpp
//
// THIS CODE AND INFORMATION IS PROVIDED "AS IS" WITHOUT WARRANTY OF
// ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING BUT NOT LIMITED TO
// THE IMPLIED WARRANTIES OF MERCHANTABILITY AND/OR FITNESS FOR A
// PARTICULAR PURPOSE.
//
// Copyright (c) Microsoft Corporation. All rights reserved.
//
// http://go.microsoft.com/fwlink/?LinkId=248929
//--------------------------------------------------------------------------------------
#include "pch.h"
#include "Effects.h"
#include "DemandCreate.h"
#include "SharedResourcePool.h"
#include "DDSTextureLoader.h"
#if !defined(WINAPI_FAMILY) || (WINAPI_FAMILY != WINAPI_FAMILY_PHONE_APP) || (_WIN32_WINNT > _WIN32_WINNT_WIN8)
#include "WICTextureLoader.h"
#endif
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)
: device(device), mSharing(true)
{ *mPath = 0; }
std::shared_ptr<IEffect> CreateEffect( _In_ IEffectFactory* factory, _In_ const IEffectFactory::EffectInfo& info, _In_opt_ ID3D11DeviceContext* deviceContext );
void CreateTexture( _In_z_ const WCHAR* texture, _In_opt_ ID3D11DeviceContext* deviceContext, _Outptr_ ID3D11ShaderResourceView** textureView );
void ReleaseCache();
void SetSharing( bool enabled ) { mSharing = enabled; }
static SharedResourcePool<ID3D11Device*, Impl> instancePool;
WCHAR mPath[MAX_PATH];
private:
ComPtr<ID3D11Device> device;
typedef std::map< std::wstring, std::shared_ptr<IEffect> > EffectCache;
typedef std::map< std::wstring, ComPtr<ID3D11ShaderResourceView> > TextureCache;
EffectCache mEffectCache;
EffectCache mEffectCacheSkinning;
EffectCache mEffectCacheDualTexture;
TextureCache mTextureCache;
bool mSharing;
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;
}
}
std::shared_ptr<SkinnedEffect> effect = std::make_shared<SkinnedEffect>( device.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.texture && *info.texture )
{
ComPtr<ID3D11ShaderResourceView> srv;
factory->CreateTexture( info.texture, deviceContext, &srv );
effect->SetTexture( srv.Get() );
}
if ( mSharing && info.name && *info.name )
{
std::lock_guard<std::mutex> lock(mutex);
mEffectCacheSkinning.insert( EffectCache::value_type( info.name, effect ) );
}
return 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;
}
}
std::shared_ptr<DualTextureEffect> effect = std::make_shared<DualTextureEffect>( device.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.texture && *info.texture )
{
ComPtr<ID3D11ShaderResourceView> srv;
factory->CreateTexture( info.texture, deviceContext, &srv );
effect->SetTexture( srv.Get() );
}
if ( info.texture2 && *info.texture2 )
{
ComPtr<ID3D11ShaderResourceView> srv;
factory->CreateTexture( info.texture2, deviceContext, &srv );
effect->SetTexture2( srv.Get() );
}
if ( mSharing && info.name && *info.name )
{
std::lock_guard<std::mutex> lock(mutex);
mEffectCacheDualTexture.insert( EffectCache::value_type( info.name, effect ) );
}
return effect;
}
else
{
// BasicEffect
if ( mSharing && info.name && *info.name )
{
auto it = mEffectCache.find( info.name );
if ( mSharing && it != mEffectCache.end() )
{
return it->second;
}
}
std::shared_ptr<BasicEffect> effect = std::make_shared<BasicEffect>( device.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.texture && *info.texture )
{
ComPtr<ID3D11ShaderResourceView> srv;
factory->CreateTexture( info.texture, deviceContext, &srv );
effect->SetTexture( srv.Get() );
effect->SetTextureEnabled( true );
}
if ( mSharing && info.name && *info.name )
{
std::lock_guard<std::mutex> lock(mutex);
mEffectCache.insert( EffectCache::value_type( info.name, effect ) );
}
return effect;
}
}
_Use_decl_annotations_
void EffectFactory::Impl::CreateTexture( const WCHAR* 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 fullName[MAX_PATH]={0};
wcscpy_s( fullName, mPath );
wcscat_s( fullName, name );
#if !defined(WINAPI_FAMILY) || (WINAPI_FAMILY != WINAPI_FAMILY_PHONE_APP) || (_WIN32_WINNT > _WIN32_WINNT_WIN8)
WCHAR ext[_MAX_EXT];
_wsplitpath_s( name, nullptr, 0, nullptr, 0, nullptr, 0, ext, _MAX_EXT );
if ( _wcsicmp( ext, L".dds" ) == 0 )
{
HRESULT hr = CreateDDSTextureFromFile( device.Get(), fullName, nullptr, textureView );
if ( FAILED(hr) )
{
DebugTrace( "CreateDDSTextureFromFile failed (%08X) for '%ls'\n", hr, fullName );
throw std::exception( "CreateDDSTextureFromFile" );
}
}
#if !defined(_XBOX_ONE) || !defined(_TITLE)
else if ( deviceContext )
{
std::lock_guard<std::mutex> lock(mutex);
HRESULT hr = CreateWICTextureFromFile( device.Get(), deviceContext, fullName, nullptr, textureView );
if ( FAILED(hr) )
{
DebugTrace( "CreateWICTextureFromFile failed (%08X) for '%ls'\n", hr, fullName );
throw std::exception( "CreateWICTextureFromFile" );
}
}
#endif
else
{
HRESULT hr = CreateWICTextureFromFile( device.Get(), fullName, nullptr, textureView );
if ( FAILED(hr) )
{
DebugTrace( "CreateWICTextureFromFile failed (%08X) for '%ls'\n", hr, fullName );
throw std::exception( "CreateWICTextureFromFile" );
}
}
#else
UNREFERENCED_PARAMETER( deviceContext );
HRESULT hr = CreateDDSTextureFromFile( device.Get(), fullName, nullptr, textureView );
if ( FAILED(hr) )
{
DebugTrace( "CreateDDSTextureFromFile failed (%08X) for '%ls'\n", hr, fullName );
throw std::exception( "CreateDDSTextureFromFile" );
}
#endif
if ( mSharing && *name && it == mTextureCache.end() )
{
std::lock_guard<std::mutex> lock(mutex);
mTextureCache.insert( TextureCache::value_type( name, *textureView ) );
}
}
}
void EffectFactory::Impl::ReleaseCache()
{
std::lock_guard<std::mutex> lock(mutex);
mEffectCache.clear();
mEffectCacheSkinning.clear();
mEffectCacheDualTexture.clear();
mTextureCache.clear();
}
//--------------------------------------------------------------------------------------
// EffectFactory
//--------------------------------------------------------------------------------------
EffectFactory::EffectFactory(_In_ ID3D11Device* device)
: pImpl(Impl::instancePool.DemandCreate(device))
{
}
EffectFactory::~EffectFactory()
{
}
EffectFactory::EffectFactory(EffectFactory&& moveFrom)
: pImpl(std::move(moveFrom.pImpl))
{
}
EffectFactory& EffectFactory::operator= (EffectFactory&& moveFrom)
{
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* name, ID3D11DeviceContext* deviceContext, ID3D11ShaderResourceView** textureView )
{
return pImpl->CreateTexture( name, deviceContext, textureView );
}
void EffectFactory::ReleaseCache()
{
pImpl->ReleaseCache();
}
void EffectFactory::SetSharing( bool enabled )
{
pImpl->SetSharing( enabled );
}
void EffectFactory::SetDirectory( _In_opt_z_ const WCHAR* path )
{
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;
}