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/*
* Copyright 2019-2020 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
#include "../../../DiligentCore/Primitives/interface/FileStream.h"
#include "../../../DiligentCore/Graphics/GraphicsEngine/interface/RenderDevice.h"
#include "../../../DiligentCore/Graphics/GraphicsEngine/interface/Texture.h"
#include "Image.h"
namespace Diligent
{
// clang-format off
/// Texture loading information
struct TextureLoadInfo
{
/// Texture name passed over to the texture creation method
const Char* Name = nullptr;
/// Usage
USAGE Usage = USAGE_STATIC;
/// Bind flags
BIND_FLAGS BindFlags = BIND_SHADER_RESOURCE;
/// Number of mip levels
Uint32 MipLevels = 0;
/// CPU access flags
CPU_ACCESS_FLAGS CPUAccessFlags = CPU_ACCESS_NONE;
/// Flag indicating if this texture uses sRGB gamma encoding
Bool IsSRGB = False;
/// Flag indicating that the procedure should generate lower mip levels
Bool GenerateMips = True;
/// Texture format
TEXTURE_FORMAT Format = TEX_FORMAT_UNKNOWN;
explicit TextureLoadInfo(const Char* _Name,
USAGE _Usage = TextureLoadInfo{}.Usage,
BIND_FLAGS _BindFlags = TextureLoadInfo{}.BindFlags,
Uint32 _MipLevels = TextureLoadInfo{}.MipLevels,
CPU_ACCESS_FLAGS _CPUAccessFlags = TextureLoadInfo{}.CPUAccessFlags,
Bool _IsSRGB = TextureLoadInfo{}.IsSRGB,
Bool _GenerateMips = TextureLoadInfo{}.GenerateMips,
TEXTURE_FORMAT _Format = TextureLoadInfo{}.Format) :
Name {_Name},
Usage {_Usage},
BindFlags {_BindFlags},
MipLevels {_MipLevels},
CPUAccessFlags {_CPUAccessFlags},
IsSRGB {_IsSRGB},
GenerateMips {_GenerateMips},
Format {_Format}
{}
TextureLoadInfo(){};
};
// clang-format on
/// Creates a texture from 2D image
/// \param [in] pSrcImage - Pointer to the source image data
/// \param [in] TexLoadInfo - Texture loading information
/// \param [in] pDevice - Render device that will be used to create the texture
/// \param [out] ppTexture - Memory location where pointer to the created texture will be stored
void CreateTextureFromImage(Image* pSrcImage,
const TextureLoadInfo& TexLoadInfo,
IRenderDevice* pDevice,
ITexture** ppTexture);
/// Creates a texture from DDS data blob
/// \param [in] pDDSData - Pointer to the DDS data blob
/// \param [in] TexLoadInfo - Texture loading information
/// \param [in] pDevice - Render device that will be used to create the texture
/// \param [out] ppTexture - Memory location where pointer to the created texture will be stored
void CreateTextureFromDDS(IDataBlob* pDDSData,
const TextureLoadInfo& TexLoadInfo,
IRenderDevice* pDevice,
ITexture** ppTexture);
/// Creates a texture from KTX data blob
/// \param [in] pKTXData - Pointer to the KTX data blob
/// \param [in] TexLoadInfo - Texture loading information
/// \param [in] pDevice - Render device that will be used to create the texture
/// \param [out] ppTexture - Memory location where pointer to the created texture will be stored
void CreateTextureFromKTX(IDataBlob* pKTXData,
const TextureLoadInfo& TexLoadInfo,
IRenderDevice* pDevice,
ITexture** ppTexture);
}; // namespace Diligent
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