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/*
* Copyright 2019-2021 Diligent Graphics LLC
* Copyright 2015-2019 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
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* 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::TextureViewVkImpl class
#include "EngineVkImplTraits.hpp"
#include "TextureViewBase.hpp"
#include "VulkanUtilities/VulkanObjectWrappers.hpp"
namespace Diligent
{
/// Texture view implementation in Vulkan backend.
class TextureViewVkImpl final : public TextureViewBase<EngineVkImplTraits>
{
public:
using TTextureViewBase = TextureViewBase<EngineVkImplTraits>;
TextureViewVkImpl(IReferenceCounters* pRefCounters,
RenderDeviceVkImpl* pDevice,
const TextureViewDesc& ViewDesc,
ITexture* pTexture,
VulkanUtilities::ImageViewWrapper&& ImgView,
bool bIsDefaultView);
~TextureViewVkImpl();
IMPLEMENT_QUERY_INTERFACE_IN_PLACE(IID_TextureViewVk, TTextureViewBase)
/// Implementation of ITextureViewVk::GetVulkanImageView().
virtual VkImageView DILIGENT_CALL_TYPE GetVulkanImageView() const override final { return m_ImageView; }
bool HasMipLevelViews() const
{
return m_MipLevelViews != nullptr;
}
TextureViewVkImpl* GetMipLevelSRV(Uint32 MipLevel)
{
VERIFY_EXPR(m_MipLevelViews != nullptr && MipLevel < m_Desc.NumMipLevels);
return m_MipLevelViews[MipLevel * 2].get();
}
TextureViewVkImpl* GetMipLevelUAV(Uint32 MipLevel)
{
VERIFY_EXPR(m_MipLevelViews != nullptr && MipLevel < m_Desc.NumMipLevels);
return m_MipLevelViews[MipLevel * 2 + 1].get();
}
using MipLevelViewAutoPtrType = std::unique_ptr<TextureViewVkImpl, STDDeleter<TextureViewVkImpl, FixedBlockMemoryAllocator>>;
void AssignMipLevelViews(MipLevelViewAutoPtrType* MipLevelViews)
{
m_MipLevelViews = MipLevelViews;
}
protected:
/// Vulkan image view descriptor handle
VulkanUtilities::ImageViewWrapper m_ImageView;
/// Individual mip level views used for mipmap generation
MipLevelViewAutoPtrType* m_MipLevelViews = nullptr;
};
} // namespace Diligent
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