62 lines
2.2 KiB
C++
62 lines
2.2 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/fetch.hpp
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/// @date 2008-12-19 / 2013-01-13
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/// @author Christophe Riccio
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///////////////////////////////////////////////////////////////////////////////////
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#pragma once
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#include "../gli.hpp"
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namespace gli
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{
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/// Fetch a texel from a texture
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/// The texture format must be uncompressed
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template <typename genType>
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genType texel_fetch(
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texture2D const & Texture,
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texture2D::dim_type const & Texcoord,
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texture2D::size_type const & Level);
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/// Write a texel to a texture
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/// The texture format must be uncompressed
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template <typename genType>
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void texel_write(
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texture2D & Texture,
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texture2D::dim_type const & Texcoord,
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texture2D::size_type const & Level,
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genType const & Color);
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/// Sample a pixel from a texture
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/// The texture format must be uncompressed
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template <typename genType>
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genType texture_lod(
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texture2D const & Texture,
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texture2D::texcoord_type const & Texcoord,
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texture2D::size_type const & Level);
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}//namespace gli
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#include "fetch.inl"
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