112 lines
4.0 KiB
Plaintext
112 lines
4.0 KiB
Plaintext
/* osgEarth - Geospatial SDK for OpenSceneGraph
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* Copyright 2020 Pelican Mapping
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* http://osgearth.org
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*
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* osgEarth is free software; you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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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
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
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* IN THE SOFTWARE.
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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>
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*/
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#pragma once
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#include <osgEarth/Config>
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#include <osgEarth/URI>
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#include <osgEarth/Status>
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#include <osg/Texture>
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namespace osgEarth
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{
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/**
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* Describes a PBR (physically-based rendering) material as a collection
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* of its component rasters.
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*/
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class OSGEARTH_EXPORT PBRMaterial
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{
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public:
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PBRMaterial() = default;
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PBRMaterial(const PBRMaterial& rhs) = default;
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PBRMaterial& operator=(const PBRMaterial& rhs) = default;
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PBRMaterial(PBRMaterial&& rhs) = default;
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PBRMaterial& operator=(PBRMaterial&& rhs) = default;
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OE_PROPERTY(std::string, name, {});
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OE_OPTION(URI, color);
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OE_OPTION(URI, normal);
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OE_OPTION(URI, roughness);
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OE_OPTION(URI, ao);
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OE_OPTION(URI, metal);
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OE_OPTION(URI, displacement);
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OE_OPTION(URI, opacity);
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PBRMaterial(const Config& conf)
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{
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conf.get("name", name());
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if (name().empty())
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name() = conf.referrer();
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conf.get("color", color());
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conf.get("normal", normal());
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conf.get("roughness", roughness());
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conf.get("ao", ao());
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conf.get("metal", metal());
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conf.get("displacement", displacement());
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conf.get("height", displacement());
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conf.get("opacity", opacity());
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}
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Config getConfig() const
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{
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Config conf("material");
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conf.set("name", name());
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conf.set("color", color());
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conf.set("normal", normal());
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conf.set("roughness", roughness());
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conf.set("ao", ao());
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conf.set("metal", metal());
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conf.set("displacement", displacement());
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conf.set("opacity", opacity());
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return conf;
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}
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};
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/**
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* Adapter that lets you place a PBR material collection in a state attribute.
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*/
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class OSGEARTH_EXPORT PBRTexture : public osg::StateAttribute
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{
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public:
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META_StateAttribute(osgEarth, PBRTexture, TEXTURE);
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PBRTexture() = default;
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PBRTexture(const PBRTexture& rhs, const osg::CopyOp& op) :
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osg::StateAttribute(rhs, op), albedo(rhs.albedo), normal(rhs.normal), pbr(rhs.pbr) { }
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int compare(const osg::StateAttribute& rhs) const override { return -1; }
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bool isTextureAttribute() const { return true; }
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//! The textures comprising the PBR material
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osg::ref_ptr<osg::Texture> albedo, normal, pbr;
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Status status;
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//! Sets a wrap on all textures
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inline void setWrap(osg::Texture::WrapParameter wrap, osg::Texture::WrapMode mode) {
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if (albedo.valid()) albedo->setWrap(wrap, mode);
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if (normal.valid()) normal->setWrap(wrap, mode);
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if (pbr.valid()) pbr->setWrap(wrap, mode);
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}
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//! Populates this object from a PBRMaterial description
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Status load(const PBRMaterial& material, const osgDB::Options* options = nullptr);
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};
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}
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OSGEARTH_SPECIALIZE_CONFIG(osgEarth::PBRMaterial);
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