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/* ----------------------------------------------------------------------- *
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* This file is part of GEL, http://www.imm.dtu.dk/GEL
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* Copyright (C) the authors and DTU Informatics
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* For license and list of authors, see ../../doc/intro.pdf
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* ----------------------------------------------------------------------- */
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/**
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* @file SinglePassWireframeRenderer.h
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* @brief Render triangles in wire frame using efficient single pass method.
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*/
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#ifndef __GLGRAPHICS_SINGLE_PASS_WIREFRAME__
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#define __GLGRAPHICS_SINGLE_PASS_WIREFRAME__
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#include <GL/glew.h>
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#include <CGLA/Vec3f.h>
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namespace GLGraphics
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{
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/** Class for wireframe rendering. Enable it will case all triangles to be drawn to be drawn as
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wireframe. Only triangles are supported, but it is fast. */
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class SinglePassWireframeRenderer
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{
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GLhandleARB prog, old_prog;
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public:
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/// The constructor creates the wireframe shader program. It is static so the program is shared.
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SinglePassWireframeRenderer();
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/// Enable the wireframe shader with an optional line color
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bool enable(const CGLA::Vec3f& line_color = CGLA::Vec3f(1,0,0));
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/// Switch back to the shader program which was enabled at the time of calling enable.
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void disable();
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};
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}
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#endif
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