88 lines
2.9 KiB
C++
88 lines
2.9 KiB
C++
/* This file is part of the Pangolin Project.
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* http://github.com/stevenlovegrove/Pangolin
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*
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* Copyright (c) 2014 Steven Lovegrove
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*
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* Permission is hereby granted, free of charge, to any person
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* obtaining a copy of this software and associated documentation
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* files (the "Software"), to deal in the Software without
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* restriction, including without limitation the rights to use,
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* copy, modify, merge, publish, distribute, sublicense, and/or sell
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* 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
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* conditions:
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*
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* The above copyright notice and this permission notice shall be
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* included in 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,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
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* OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
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* HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
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* 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
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* OTHER DEALINGS IN THE SOFTWARE.
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*/
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#pragma once
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#include <pangolin/geometry/geometry.h>
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#include <pangolin/gl/gl.h>
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#include <pangolin/gl/glsl.h>
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namespace pangolin {
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struct GlGeometry
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{
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GlGeometry() = default;
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GlGeometry(GlGeometry&&) = default;
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GlGeometry& operator=(GlGeometry&&) = default;
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struct Element : public GlBufferData
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{
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Element() = default;
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Element(Element&&) = default;
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Element& operator=(Element&&) = default;
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Element(GlBufferType buffer_type, size_t size_bytes, GLenum gluse, uint8_t* data)
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: GlBufferData(buffer_type, size_bytes, gluse, data)
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{}
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inline bool HasAttribute(const std::string& name) const {
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return attributes.find(name) != attributes.end();
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}
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struct Attribute {
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// Stuff needed by glVertexAttribPointer
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GLenum gltype;
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size_t count_per_element;
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size_t num_elements;
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size_t offset;
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size_t stride_bytes;
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};
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std::map<std::string, Attribute> attributes;
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};
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inline bool HasAttribute(const std::string& name) const
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{
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for(const auto& b : buffers) if(b.second.HasAttribute(name)) return true;
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return false;
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}
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// Store vertices and attributes
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std::map<std::string, Element> buffers;
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// Stores index buffers for each sub-object
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std::multimap<std::string, Element> objects;
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// Stores pixmaps
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std::map<std::string, GlTexture> textures;
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};
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GlGeometry::Element ToGlGeometry(const Geometry::Element& el, GlBufferType buffertype);
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GlGeometry ToGlGeometry(const Geometry& geom);
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void GlDraw(GlSlProgram& prog, const GlGeometry& geom, const GlTexture *matcap);
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}
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