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115 lines
4.5 KiB
115 lines
4.5 KiB
#ifndef Magnum_MultisampleTexture_h |
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#define Magnum_MultisampleTexture_h |
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/* |
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This file is part of Magnum. |
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Copyright © 2010, 2011, 2012, 2013, 2014 |
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Vladimír Vondruš <mosra@centrum.cz> |
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Permission is hereby granted, free of charge, to any person obtaining a |
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copy of this software and associated documentation files (the "Software"), |
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to deal in the Software without restriction, including without limitation |
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the rights to use, copy, modify, merge, publish, distribute, sublicense, |
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and/or sell copies of the Software, and to permit persons to whom the |
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Software is furnished to do so, subject to the following conditions: |
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The above copyright notice and this permission notice shall be included |
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in all copies or substantial portions of the Software. |
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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 |
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THE 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 |
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FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER |
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DEALINGS IN THE SOFTWARE. |
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*/ |
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#ifndef MAGNUM_TARGET_GLES |
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/** @file |
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* @brief Class @ref Magnum::MultisampleTexture, typedef @ref Magnum::MultisampleTexture2D, @ref Magnum::MultisampleTexture2DArray |
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*/ |
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#endif |
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#include "Magnum/AbstractTexture.h" |
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#include "Magnum/DimensionTraits.h" |
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#include "Magnum/Math/Vector3.h" |
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#ifndef MAGNUM_TARGET_GLES |
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namespace Magnum { |
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namespace Implementation { |
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template<UnsignedInt> constexpr GLenum multisampleTextureTarget(); |
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template<> inline constexpr GLenum multisampleTextureTarget<2>() { return GL_TEXTURE_2D_MULTISAMPLE; } |
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template<> inline constexpr GLenum multisampleTextureTarget<3>() { return GL_TEXTURE_2D_MULTISAMPLE_ARRAY; } |
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} |
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/** |
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@brief Mulitsample texture |
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Template class for 2D mulitsample texture and 2D multisample texture array. See |
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also @ref AbstractTexture documentation for more information. |
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@todoc Finish when fully implemented |
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In shader, the texture is used via `sampler2DMS`/`sampler2DMSArray`, |
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`isampler2DMS`/`isampler2DMSArray` or `usampler2DMS`/`usampler2DMSArray`. See |
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@ref AbstractShaderProgram documentation for more information about usage in |
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shaders. |
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@requires_gl32 %Extension @extension{ARB,texture_multisample} |
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@requires_gl Multisample textures are not available in OpenGL ES. |
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@see @ref MultisampleTexture2D, @ref MultisampleTexture2DArray, @ref Texture, |
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@ref TextureArray, @ref BufferTexture, @ref CubeMapTexture, |
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@ref CubeMapTextureArray, @ref RectangleTexture |
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*/ |
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template<UnsignedInt dimensions> class MultisampleTexture: public AbstractTexture { |
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public: |
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static const UnsignedInt Dimensions = dimensions; /**< @brief %Texture dimension count */ |
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/** |
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* @brief Constructor |
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* |
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* Creates new OpenGL texture object. |
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* @see @fn_gl{GenTextures} with @def_gl{TEXTURE_2D_MULTISAMPLE} or |
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* @def_gl{TEXTURE_2D_MULTISAMPLE_ARRAY} |
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*/ |
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explicit MultisampleTexture(): AbstractTexture(Implementation::multisampleTextureTarget<dimensions>()) {} |
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#ifndef MAGNUM_TARGET_GLES |
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/** @copydoc Texture::imageSize() */ |
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typename DimensionTraits<dimensions, Int>::VectorType imageSize(Int level) { |
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return DataHelper<dimensions>::imageSize(*this, _target, level); |
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} |
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#endif |
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/** @copydoc Texture::invalidateImage() */ |
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void invalidateImage(Int level) { AbstractTexture::invalidateImage(level); } |
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/** @copydoc Texture::invalidateSubImage() */ |
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void invalidateSubImage(Int level, const typename DimensionTraits<dimensions, Int>::VectorType& offset, const typename DimensionTraits<dimensions, Int>::VectorType& size) { |
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DataHelper<dimensions>::invalidateSubImage(*this, level, offset, size); |
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} |
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/* Overloads to remove WTF-factor from method chaining order */ |
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#ifndef DOXYGEN_GENERATING_OUTPUT |
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MultisampleTexture<dimensions>& setLabel(const std::string& label) { |
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AbstractTexture::setLabel(label); |
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return *this; |
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} |
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#endif |
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}; |
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/** @brief Two-dimensional multisample texture */ |
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typedef MultisampleTexture<2> MultisampleTexture2D; |
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/** @brief Two-dimensional multisample texture array */ |
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typedef MultisampleTexture<3> MultisampleTexture2DArray; |
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} |
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#else |
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#error this header is available only on desktop OpenGL build |
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#endif |
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#endif
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