/*     Copyright 2015-2018 Egor Yusov
 *  
 *  Licensed under the Apache License, Version 2.0 (the "License");
 *  you may not use this file except in compliance with the License.
 *  You may obtain a copy of the License at
 * 
 *     http://www.apache.org/licenses/LICENSE-2.0
 * 
 *  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 *  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 *  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OF ANY PROPRIETARY RIGHTS.
 *
 *  In no event and under no legal theory, whether in tort (including negligence), 
 *  contract, or otherwise, unless required by applicable law (such as deliberate 
 *  and grossly negligent acts) or agreed to in writing, shall any Contributor be
 *  liable for any damages, including any direct, indirect, special, incidental, 
 *  or consequential damages of any character arising as a result of this License or 
 *  out of the use or inability to use the software (including but not limited to damages 
 *  for loss of goodwill, work stoppage, computer failure or malfunction, or any and 
 *  all other commercial damages or losses), even if such Contributor has been advised 
 *  of the possibility of such damages.
 */

#pragma once

/// \file
/// Declaration of Diligent::ShaderResourcesD3D12 class

//  ShaderResourcesD3D12 are created by ShaderD3D12Impl instances. They are then referenced by ShaderResourceLayoutD3D12 objects, which are in turn
//  created by instances of PipelineStatesD3D12Impl and ShaderResourceBindingsD3D12Impl (and ShaderD3D12Impl too)
//
//    _________________
//   |                 |
//   | ShaderD3D12Impl |
//   |_________________|
//            |
//            |shared_ptr
//    ________V_____________                  _____________________________________________________________________
//   |                      |  unique_ptr    |        |           |           |           |           |            |
//   | ShaderResourcesD3D12 |--------------->|   CBs  |  TexSRVs  |  TexUAVs  |  BufSRVs  |  BufUAVs  |  Samplers  |
//   |______________________|                |________|___________|___________|___________|___________|____________|
//            A                                         A                              A                   A  
//            |                                          \                            /                     \
//            |shared_ptr                                Ref                        Ref                     Ref
//    ________|__________________                  ________\________________________/_________________________\_________________________________________
//   |                           |   unique_ptr   |                   |                 |               |                  |                 |          |
//   | ShaderResourceLayoutD3D12 |--------------->|   SRV_CBV_UAV[0]  |  SRV_CBV_UAV[1] |       ...     |    Sampler[0]    |    Sampler[1]   |   ...    |
//   |___________________________|                |___________________|_________________|_______________|__________________|_________________|__________|
//              A                                           |                                                    A
//              |                                           |___________________SamplerId________________________|
//              |
//    __________|_____________
//   |                        |
//   | PipelineStateD3D12Impl |
//   |________________________|
//
//
//  One ShaderResources instance can be referenced by multiple objects
//
//
//    ________________________           _<m_ShaderResourceLayouts>_             ____<m_pResourceLayouts>___        ________________________________ 
//   |                        |         |                           |           |                           |      |                                |
//   | PipelineStateD3D12Impl |-------->| ShaderResourceLayoutD3D12 |       ----| ShaderResourceLayoutD3D12 |<-----| ShaderResourceBindingD3D12Impl |
//   |________________________|         |___________________________|      |    |___________________________|      |________________________________|
//                                                  |                      |
//                                                  | shared_ptr           |
//    _________________                  ___________V__________            |     ____<m_pResourceLayouts>___        ________________________________          
//   |                 |  shared_ptr    |                      | shared_ptr|    |                           |      |                                |
//   | ShaderD3D12Impl |--------------->| ShaderResourcesD3D12 |<---------------| ShaderResourceLayoutD3D12 |<-----| ShaderResourceBindingD3D12Impl |
//   |_________________|                |______________________|           |    |___________________________|      |________________________________|
//              |                                   A                      |
//              V                                   |                      |
//   ____<m_StaticResLayout>____                    |                      |     ____<m_pResourceLayouts>___        ________________________________ 
//  |                           |   shared_ptr      |                      |    |                           |      |                                |
//  | ShaderResourceLayoutD3D12 |-------------------                        ----| ShaderResourceLayoutD3D12 |<-----| ShaderResourceBindingD3D12Impl |
//  |___________________________|                                               |___________________________|      |________________________________|
//
//


#include "ShaderResources.h"

namespace Diligent
{

/// Diligent::ShaderResources class
class ShaderResourcesD3D12 : public ShaderResources
{
public:
    // Loads shader resources from the compiled shader bytecode
    ShaderResourcesD3D12(ID3DBlob *pShaderBytecode, const ShaderDesc &ShdrDesc);
};

}
