Method GetPersistentBuffer

trinity/Tr2GpuResourcePool.cpp:226–258

}

Tr2GpuResourcePool::Buffer Tr2GpuResourcePool::GetPersistentBuffer( const char* name, const Tr2BufferDescriptionAL& desc, const BufferInitializer& initializer )
{
	if( desc.count == 0 )
	{
		CCP_LOGERR( "Invalid buffer description for a persistent buffer %s (elements=%u, stride=%u, format=%u)", name, desc.count, desc.stride, (uint32_t)desc.format );
		return {};
	}
	auto found = find_if( begin( m_persistentBuffers ), end( m_persistentBuffers ), [&]( const auto& x ) {
		return CompatibleDescriptions( x->resource.GetDesc(), desc ) && x->name == name;
	} );
	USE_MAIN_THREAD_RENDER_CONTEXT();
	if( found == end( m_persistentBuffers ) )
	{
		auto buf = std::make_shared<BufferRec>();
		auto initData = std::get_if<const void*>( &initializer );
		if( FAILED( buf->resource.Create( desc, initData ? *initData : nullptr, renderContext ) ) )
		{
			CCP_LOGERR( "Failed to create a temporary buffer %s (elements=%u, stride=%u, format=%u)", name, desc.count, desc.stride, (uint32_t)desc.format );
			return Buffer();
		}
		buf->resource.SetName( name );
		if( auto initFunc = std::get_if<std::function<void( Tr2BufferAL & buffer, Tr2RenderContextAL & renderContext )>>( &initializer ) )
		{
			( *initFunc )( buf->resource, renderContext );
		}
		buf->lastAccessFrame = renderContext.GetRecordingFrameNumber();
		buf->name = name;
		m_persistentBuffers.push_back( buf );
		return Buffer( buf );
	}
	( *found )->lastAccessFrame = renderContext.GetRecordingFrameNumber();
	return Buffer( *found );
}

void Tr2GpuResourcePool::SetDebugMode( bool enable )
{