256 lines
7.3 KiB
C++
256 lines
7.3 KiB
C++
///////////////////////////////////////////////////////////////////////////////////
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/// OpenGL Image (gli.g-truc.net)
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///
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/// Copyright (c) 2008 - 2015 G-Truc Creation (www.g-truc.net)
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/// Permission is hereby granted, free of charge, to any person obtaining a copy
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/// of this software and associated documentation files (the "Software"), to deal
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/// in the Software without restriction, including without limitation the rights
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/// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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/// copies of the Software, and to permit persons to whom the Software is
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/// furnished to do so, subject to the following conditions:
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///
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/// The above copyright notice and this permission notice shall be included in
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/// all copies or substantial portions of the Software.
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///
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/// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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/// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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/// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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/// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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/// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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/// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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/// THE SOFTWARE.
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///
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/// @ref core
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/// @file gli/core/copy.inl
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/// @date 2013-01-23 / 2013-02-03
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/// @author Christophe Riccio
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///////////////////////////////////////////////////////////////////////////////////
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namespace gli
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{
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inline image copy(image const & Image)
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{
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image Result(Image.format(), Image.dimensions());
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memcpy(Result.data(), Image.data(), Image.size());
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return Result;
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}
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inline texture copy(texture const & Texture)
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{
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texture Copy(
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Texture.target(),
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Texture.format(),
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Texture.dimensions(),
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Texture.layers(),
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Texture.faces(),
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Texture.levels());
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memcpy(Copy.data(), Texture.data(), Copy.size());
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return Copy;
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}
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template <typename texType>
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inline texture copy(texType const & Texture)
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{
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texture Copy(
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Texture.target(),
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Texture.format(),
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Texture.texture::dimensions(),
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Texture.layers(),
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Texture.faces(),
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Texture.levels());
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memcpy(Copy.data(), Texture.data(), Copy.size());
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return Copy;
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}
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template <typename texType>
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inline texture copy(texType const & Texture, typename texType::format_type Format)
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{
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assert(block_size(Texture.format()) == block_size(Format));
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texture Copy(
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Texture.target(),
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Format,
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Texture.dimensions(),
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Texture.layers(),
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Texture.faces(),
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Texture.levels());
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memcpy(Copy.data(), Texture.data(), Copy.size());
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return Copy;
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}
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inline texture copy
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(
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texture1D const & Texture,
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texture1D::size_type BaseLevel, texture1D::size_type MaxLevel
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)
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{
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assert(BaseLevel <= MaxLevel);
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assert(BaseLevel < Texture.levels());
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assert(MaxLevel < Texture.levels());
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texture1D Copy(
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Texture.format(),
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texture1D::dim_type(Texture[BaseLevel].dimensions().x),
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MaxLevel - BaseLevel + 1);
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memcpy(Copy.data(), Texture[BaseLevel].data(), Copy.size());
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return Copy;
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}
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inline texture copy
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(
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texture1DArray const & Texture,
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texture1DArray::size_type BaseLayer, texture1DArray::size_type MaxMayer,
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texture1DArray::size_type BaseLevel, texture1DArray::size_type MaxLevel
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)
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{
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assert(BaseLevel <= MaxLevel);
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assert(BaseLevel < Texture.levels());
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assert(MaxLevel < Texture.levels());
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assert(BaseLayer <= MaxMayer);
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assert(BaseLayer < Texture.layers());
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assert(MaxMayer < Texture.layers());
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texture1DArray Copy(
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Texture.format(),
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texture1DArray::dim_type(Texture[BaseLayer][BaseLevel].dimensions().x),
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MaxMayer - BaseLayer + 1,
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MaxLevel - BaseLevel + 1);
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for(texture1DArray::size_type Layer = 0; Layer < Copy.layers(); ++Layer)
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memcpy(Copy[Layer].data(), Texture[Layer + BaseLayer][BaseLevel].data(), Copy[Layer].size());
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return Copy;
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}
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inline texture copy
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(
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texture2D const & Texture,
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texture2D::size_type BaseLevel, texture2D::size_type MaxLevel
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)
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{
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assert(BaseLevel <= MaxLevel);
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assert(BaseLevel < Texture.levels());
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assert(MaxLevel < Texture.levels());
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texture2D Copy(
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Texture.format(),
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texture2D::dim_type(Texture[BaseLevel].dimensions().x),
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MaxLevel - BaseLevel + 1);
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memcpy(Copy.data(), Texture[BaseLevel].data(), Copy.size());
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return Copy;
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}
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inline texture copy
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(
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texture2DArray const & Texture,
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texture2DArray::size_type BaseLayer, texture2DArray::size_type MaxMayer,
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texture2DArray::size_type BaseLevel, texture2DArray::size_type MaxLevel
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)
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{
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assert(BaseLevel <= MaxLevel);
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assert(BaseLevel < Texture.levels());
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assert(MaxLevel < Texture.levels());
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assert(BaseLayer <= MaxMayer);
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assert(BaseLayer < Texture.layers());
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assert(MaxMayer < Texture.layers());
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texture2DArray Copy(
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Texture.format(),
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texture2DArray::dim_type(Texture[BaseLayer][BaseLevel].dimensions()),
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MaxMayer - BaseLayer + 1,
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MaxLevel - BaseLevel + 1);
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for(texture2DArray::size_type Layer = 0; Layer < Copy.layers(); ++Layer)
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memcpy(Copy[Layer].data(), Texture[Layer + BaseLayer][BaseLevel].data(), Copy[Layer].size());
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return Copy;
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}
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inline texture copy
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(
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texture3D const & Texture,
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texture3D::size_type BaseLevel, texture3D::size_type MaxLevel
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)
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{
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assert(BaseLevel <= MaxLevel);
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assert(BaseLevel < Texture.levels());
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assert(MaxLevel < Texture.levels());
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texture3D Copy(
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Texture.format(),
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texture3D::dim_type(Texture[BaseLevel].dimensions()),
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MaxLevel - BaseLevel + 1);
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memcpy(Copy.data(), Texture[BaseLevel].data(), Copy.size());
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return Copy;
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}
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inline texture copy
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(
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textureCube const & Texture,
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textureCube::size_type BaseFace, textureCube::size_type MaxFace,
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textureCube::size_type BaseLevel, textureCube::size_type MaxLevel
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)
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{
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assert(BaseLevel <= MaxLevel);
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assert(BaseLevel < Texture.levels());
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assert(MaxLevel < Texture.levels());
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assert(BaseFace <= MaxFace);
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assert(BaseFace < Texture.faces());
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assert(MaxFace < Texture.faces());
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textureCube Copy(
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Texture.format(),
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textureCube::dim_type(Texture[BaseFace][BaseLevel].dimensions()),
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MaxLevel - BaseLevel + 1);
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for(textureCube::size_type Face = 0; Face < Copy.faces(); ++Face)
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memcpy(Copy[Face].data(), Texture[Face + BaseFace][BaseLevel].data(), Copy[Face].size());
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return Copy;
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}
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inline texture copy
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(
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textureCubeArray const & Texture,
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textureCubeArray::size_type BaseLayer, textureCubeArray::size_type MaxLayer,
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textureCubeArray::size_type BaseFace, textureCubeArray::size_type MaxFace,
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textureCubeArray::size_type BaseLevel, textureCubeArray::size_type MaxLevel
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)
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{
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assert(BaseLevel <= MaxLevel);
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assert(BaseLevel < Texture.levels());
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assert(MaxLevel < Texture.levels());
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assert(BaseFace <= MaxFace);
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assert(BaseFace < Texture.faces());
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assert(MaxFace < Texture.faces());
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assert(BaseLayer <= MaxLayer);
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assert(BaseLayer < Texture.layers());
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assert(MaxLayer < Texture.layers());
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textureCubeArray Copy(
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Texture.format(),
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textureCubeArray::dim_type(Texture[BaseLayer][BaseFace][BaseLevel].dimensions()),
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MaxLayer - BaseLayer + 1,
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MaxLevel - BaseLevel + 1);
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for(textureCubeArray::size_type Layer = 0; Layer < Copy.layers(); ++Layer)
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for(textureCubeArray::size_type Face = 0; Face < Copy[Layer].faces(); ++Face)
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memcpy(Copy[Layer][Face].data(), Texture[Layer + BaseLayer][Face + BaseFace][BaseLevel].data(), Copy[Layer][Face].size());
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return Copy;
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}
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}//namespace gli
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