Gabriele Cosmo
80 lines
2.1 KiB
Plaintext
80 lines
2.1 KiB
Plaintext
// Copyright (C) 2010, Guy Barrand. All rights reserved.
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// See the file tools.license for terms.
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#ifndef toolx_sg_GL_viewer
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#define toolx_sg_GL_viewer
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#include <tools/sg/viewer>
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namespace tools{namespace sg{class render_manager;}}
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namespace toolx {
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namespace sg {
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template <class GL_MANAGER,class GL_ACTION>
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class GL_viewer_T : public tools::sg::viewer {
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TOOLS_T2_HEADER(GL_MANAGER,GL_ACTION,GL_viewer_T,toolx::sg::GL_viewer_T,tools::sg::viewer)
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public:
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void render() {
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if(!m_ww) return;
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if(!m_wh) return;
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if(!m_gl_mgr.begin_render(0,0,m_ww,m_wh,
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m_clear_color.r(),
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m_clear_color.g(),
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m_clear_color.b(),
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m_clear_color.a())) return;
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GL_ACTION action(m_gl_mgr,m_out,m_ww,m_wh);
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action.state().m_use_gsto = m_use_gsto;
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action.set_do_transparency(false);
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action.set_have_to_do_transparency(false);
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m_sg.render(action);
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if(!action.end()) { //check that matrices stack are ok.
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m_out << "toolx::sg::GL_viewer_T : bad gl_action end." << std::endl;
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} else {
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if(action.have_to_do_transparency()) {
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action.set_do_transparency(true);
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m_sg.render(action);
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if(!action.end()) { //check that matrices stack are ok.
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m_out << "toolx::sg::GL_viewer_T : bad gl_action end." << std::endl;
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}
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}
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}
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m_gl_mgr.end_render();
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}
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public:
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GL_viewer_T(std::ostream& a_out,unsigned int a_width,unsigned int a_height)
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:parent(a_out,a_width,a_height)
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,m_gl_mgr(a_out)
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{}
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virtual ~GL_viewer_T(){
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//WARNING : nodes may refer m_gl_mgr (to handle gstos/texs), then
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// we have to delete them first.
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m_sg.clear();
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}
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public:
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GL_viewer_T(const GL_viewer_T& a_from)
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:parent(a_from)
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,m_gl_mgr(a_from.m_gl_mgr)
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{}
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GL_viewer_T& operator=(const GL_viewer_T& a_from){
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parent::operator=(a_from);
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m_gl_mgr = a_from.m_gl_mgr;
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return *this;
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}
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public:
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const tools::sg::render_manager& render_manager() const {return m_gl_mgr;}
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tools::sg::render_manager& render_manager() {return m_gl_mgr;}
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protected:
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GL_MANAGER m_gl_mgr;
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};
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}}
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#endif
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