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103 lines
4.2 KiB
103 lines
4.2 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 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 "VertexColorGL.h" |
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#include <Corrade/Containers/Reference.h> |
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#include <Corrade/Utility/Resource.h> |
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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/Shader.h" |
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#include "Magnum/Math/Color.h" |
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#include "Magnum/Math/Matrix3.h" |
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#include "Magnum/Math/Matrix4.h" |
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#include "Magnum/Shaders/Implementation/CreateCompatibilityShader.h" |
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namespace Magnum { namespace Shaders { |
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template<UnsignedInt dimensions> VertexColorGL<dimensions>::VertexColorGL() { |
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#ifdef MAGNUM_BUILD_STATIC |
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/* Import resources on static build, if not already */ |
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if(!Utility::Resource::hasGroup("MagnumShadersGL")) |
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importShaderResources(); |
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#endif |
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Utility::Resource rs("MagnumShadersGL"); |
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#ifndef MAGNUM_TARGET_GLES |
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const GL::Version version = GL::Context::current().supportedVersion({GL::Version::GL320, GL::Version::GL310, GL::Version::GL300, GL::Version::GL210}); |
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#else |
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const GL::Version version = GL::Context::current().supportedVersion({GL::Version::GLES300, GL::Version::GLES200}); |
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#endif |
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GL::Shader vert = Implementation::createCompatibilityShader(rs, version, GL::Shader::Type::Vertex); |
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GL::Shader frag = Implementation::createCompatibilityShader(rs, version, GL::Shader::Type::Fragment); |
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vert.addSource(dimensions == 2 ? "#define TWO_DIMENSIONS\n" : "#define THREE_DIMENSIONS\n") |
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.addSource(rs.get("generic.glsl")) |
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.addSource(rs.get("VertexColor.vert")); |
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frag.addSource(rs.get("generic.glsl")) |
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.addSource(rs.get("VertexColor.frag")); |
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CORRADE_INTERNAL_ASSERT_OUTPUT(GL::Shader::compile({vert, frag})); |
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attachShaders({vert, frag}); |
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/* ES3 has this done in the shader directly */ |
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#if !defined(MAGNUM_TARGET_GLES) || defined(MAGNUM_TARGET_GLES2) |
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#ifndef MAGNUM_TARGET_GLES |
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if(!GL::Context::current().isExtensionSupported<GL::Extensions::ARB::explicit_attrib_location>(version)) |
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#endif |
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{ |
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bindAttributeLocation(Position::Location, "position"); |
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bindAttributeLocation(Color3::Location, "color"); /* Color4 is the same */ |
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} |
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#endif |
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CORRADE_INTERNAL_ASSERT_OUTPUT(link()); |
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#ifndef MAGNUM_TARGET_GLES |
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if(!GL::Context::current().isExtensionSupported<GL::Extensions::ARB::explicit_uniform_location>(version)) |
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#endif |
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{ |
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_transformationProjectionMatrixUniform = uniformLocation("transformationProjectionMatrix"); |
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} |
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/* Set defaults in OpenGL ES (for desktop they are set in shader code itself) */ |
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#ifdef MAGNUM_TARGET_GLES |
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setTransformationProjectionMatrix(MatrixTypeFor<dimensions, Float>{Math::IdentityInit}); |
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#endif |
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} |
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template<UnsignedInt dimensions> VertexColorGL<dimensions>& VertexColorGL<dimensions>::setTransformationProjectionMatrix(const MatrixTypeFor<dimensions, Float>& matrix) { |
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setUniform(_transformationProjectionMatrixUniform, matrix); |
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return *this; |
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} |
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template class MAGNUM_SHADERS_EXPORT VertexColorGL<2>; |
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template class MAGNUM_SHADERS_EXPORT VertexColorGL<3>; |
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}}
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