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123 lines
5.1 KiB
123 lines
5.1 KiB
/* |
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This file is part of Magnum. |
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Copyright © 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, |
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2020, 2021, 2022, 2023, 2024, 2025 |
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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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#include "MultisampleTexture.h" |
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#ifndef MAGNUM_TARGET_GLES2 |
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#ifndef MAGNUM_TARGET_WEBGL |
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#include <Corrade/Containers/StringView.h> |
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#endif |
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#include "Magnum/GL/Context.h" |
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#include "Magnum/GL/Extensions.h" |
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#include "Magnum/GL/Implementation/maxTextureSize.h" |
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namespace Magnum { namespace GL { |
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namespace Implementation { |
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template<> Vector2i MAGNUM_GL_EXPORT maxMultisampleTextureSize<2>() { |
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#ifndef MAGNUM_TARGET_GLES |
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if(!Context::current().isExtensionSupported<Extensions::ARB::texture_multisample>()) |
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#else |
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if(!Context::current().isVersionSupported(Version::GLES310)) |
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#endif |
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return Vector2i{0}; |
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return Vector2i{Implementation::maxTextureSideSize()}; |
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} |
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template<> Vector3i MAGNUM_GL_EXPORT maxMultisampleTextureSize<3>() { |
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#ifndef MAGNUM_TARGET_GLES |
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if(!Context::current().isExtensionSupported<Extensions::ARB::texture_multisample>()) |
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return Vector3i{0}; |
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#else |
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if(!Context::current().isExtensionSupported<Extensions::OES::texture_storage_multisample_2d_array>()) |
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return Vector3i{0}; |
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#endif |
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return {Vector2i{Implementation::maxTextureSideSize()}, Implementation::max3DTextureDepth()}; |
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} |
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} |
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template<UnsignedInt dimensions> MultisampleTexture<dimensions> MultisampleTexture<dimensions>::view(MultisampleTexture2D& original, const TextureFormat internalFormat) { |
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/* glTextureView() doesn't work with glCreateTextures() as it needs an |
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object without a name bound, so have to construct manually. The object |
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is marked as Created as glTextureView() binds the name. */ |
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GLuint id; |
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glGenTextures(1, &id); |
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MultisampleTexture<dimensions> out{id, ObjectFlag::Created|ObjectFlag::DeleteOnDestruction}; |
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out.viewInternal(original, internalFormat, 0, 1, 0, 1); |
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return out; |
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} |
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/* On Windows (MSVC, clang-cl and MinGw) these need an explicit export |
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otherwise the symbol doesn't get exported. */ |
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template<> template<> MAGNUM_GL_EXPORT MultisampleTexture2D MultisampleTexture2D::view(MultisampleTexture2DArray& original, const TextureFormat internalFormat, const Int layer) { |
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/* glTextureView() doesn't work with glCreateTextures() as it needs an |
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object without a name bound, so have to construct manually. The object |
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is marked as Created as glTextureView() binds the name. */ |
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GLuint id; |
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glGenTextures(1, &id); |
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MultisampleTexture2D out{id, ObjectFlag::Created|ObjectFlag::DeleteOnDestruction}; |
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out.viewInternal(original, internalFormat, 0, 1, layer, 1); |
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return out; |
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} |
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template<> template<> MAGNUM_GL_EXPORT MultisampleTexture2DArray MultisampleTexture2DArray::view(MultisampleTexture2DArray& original, const TextureFormat internalFormat, const Int layerOffset, const Int layerCount) { |
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/* glTextureView() doesn't work with glCreateTextures() as it needs an |
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object without a name bound, so have to construct manually. The object |
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is marked as Created as glTextureView() binds the name. */ |
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GLuint id; |
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glGenTextures(1, &id); |
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MultisampleTexture2DArray out{id, ObjectFlag::Created|ObjectFlag::DeleteOnDestruction}; |
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out.viewInternal(original, internalFormat, 0, 1, layerOffset, layerCount); |
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return out; |
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} |
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template<UnsignedInt dimensions> MultisampleTexture<dimensions>& MultisampleTexture<dimensions>::setLabel(Containers::StringView label) { |
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AbstractTexture::setLabel(label); |
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return *this; |
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} |
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template class |
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/* GCC needs the export macro on the class definition (and here it warns |
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that the type is already defined so the export is ignored), while Clang |
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and MSVC need it here (and ignore it on the declaration) */ |
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#if defined(CORRADE_TARGET_CLANG) || defined(CORRADE_TARGET_MSVC) |
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MAGNUM_GL_EXPORT |
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#endif |
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MultisampleTexture<2>; |
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template class |
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#if defined(CORRADE_TARGET_CLANG) || defined(CORRADE_TARGET_MSVC) |
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MAGNUM_GL_EXPORT |
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#endif |
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MultisampleTexture<3>; |
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}} |
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#endif
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