372 lines
10 KiB
C++
372 lines
10 KiB
C++
#include "GLCanvas3DManager.hpp"
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#include "../../slic3r/GUI/GUI.hpp"
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#include "../../slic3r/GUI/AppConfig.hpp"
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#include "../../slic3r/GUI/GLCanvas3D.hpp"
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#include <GL/glew.h>
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#include <boost/algorithm/string/split.hpp>
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#include <boost/algorithm/string/classification.hpp>
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#include <wx/glcanvas.h>
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#include <wx/timer.h>
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#include <vector>
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#include <string>
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#include <iostream>
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#ifdef __APPLE__
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#include "../Utils/MacDarkMode.hpp"
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#endif // __APPLE__
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namespace Slic3r {
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namespace GUI {
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GLCanvas3DManager::GLInfo::GLInfo()
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: m_detected(false)
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, m_version("")
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, m_glsl_version("")
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, m_vendor("")
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, m_renderer("")
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, m_max_tex_size(0)
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, m_max_anisotropy(0.0f)
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{
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}
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const std::string& GLCanvas3DManager::GLInfo::get_version() const
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{
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if (!m_detected)
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detect();
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return m_version;
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}
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const std::string& GLCanvas3DManager::GLInfo::get_glsl_version() const
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{
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if (!m_detected)
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detect();
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return m_glsl_version;
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}
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const std::string& GLCanvas3DManager::GLInfo::get_vendor() const
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{
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if (!m_detected)
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detect();
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return m_vendor;
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}
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const std::string& GLCanvas3DManager::GLInfo::get_renderer() const
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{
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if (!m_detected)
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detect();
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return m_renderer;
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}
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int GLCanvas3DManager::GLInfo::get_max_tex_size() const
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{
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if (!m_detected)
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detect();
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// clamp to avoid the texture generation become too slow and use too much GPU memory
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#ifdef __APPLE__
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// and use smaller texture for non retina systems
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return (Slic3r::GUI::mac_max_scaling_factor() > 1.0) ? std::min(m_max_tex_size, 8192) : std::min(m_max_tex_size / 2, 4096);
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#else
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// and use smaller texture for older OpenGL versions
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return is_version_greater_or_equal_to(3, 0) ? std::min(m_max_tex_size, 8192) : std::min(m_max_tex_size / 2, 4096);
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#endif // __APPLE__
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}
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float GLCanvas3DManager::GLInfo::get_max_anisotropy() const
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{
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if (!m_detected)
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detect();
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return m_max_anisotropy;
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}
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void GLCanvas3DManager::GLInfo::detect() const
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{
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const char* data = (const char*)::glGetString(GL_VERSION);
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if (data != nullptr)
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m_version = data;
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data = (const char*)::glGetString(GL_SHADING_LANGUAGE_VERSION);
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if (data != nullptr)
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m_glsl_version = data;
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data = (const char*)::glGetString(GL_VENDOR);
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if (data != nullptr)
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m_vendor = data;
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data = (const char*)::glGetString(GL_RENDERER);
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if (data != nullptr)
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m_renderer = data;
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glsafe(::glGetIntegerv(GL_MAX_TEXTURE_SIZE, &m_max_tex_size));
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m_max_tex_size /= 2;
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if (GLEW_EXT_texture_filter_anisotropic)
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glsafe(::glGetFloatv(GL_MAX_TEXTURE_MAX_ANISOTROPY_EXT, &m_max_anisotropy));
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m_detected = true;
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}
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bool GLCanvas3DManager::GLInfo::is_version_greater_or_equal_to(unsigned int major, unsigned int minor) const
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{
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if (!m_detected)
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detect();
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std::vector<std::string> tokens;
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boost::split(tokens, m_version, boost::is_any_of(" "), boost::token_compress_on);
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if (tokens.empty())
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return false;
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std::vector<std::string> numbers;
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boost::split(numbers, tokens[0], boost::is_any_of("."), boost::token_compress_on);
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unsigned int gl_major = 0;
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unsigned int gl_minor = 0;
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if (numbers.size() > 0)
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gl_major = ::atoi(numbers[0].c_str());
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if (numbers.size() > 1)
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gl_minor = ::atoi(numbers[1].c_str());
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if (gl_major < major)
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return false;
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else if (gl_major > major)
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return true;
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else
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return gl_minor >= minor;
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}
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std::string GLCanvas3DManager::GLInfo::to_string(bool format_as_html, bool extensions) const
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{
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if (!m_detected)
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detect();
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std::stringstream out;
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std::string h2_start = format_as_html ? "<b>" : "";
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std::string h2_end = format_as_html ? "</b>" : "";
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std::string b_start = format_as_html ? "<b>" : "";
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std::string b_end = format_as_html ? "</b>" : "";
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std::string line_end = format_as_html ? "<br>" : "\n";
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out << h2_start << "OpenGL installation" << h2_end << line_end;
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out << b_start << "GL version: " << b_end << (m_version.empty() ? "N/A" : m_version) << line_end;
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out << b_start << "Vendor: " << b_end << (m_vendor.empty() ? "N/A" : m_vendor) << line_end;
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out << b_start << "Renderer: " << b_end << (m_renderer.empty() ? "N/A" : m_renderer) << line_end;
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out << b_start << "GLSL version: " << b_end << (m_glsl_version.empty() ? "N/A" : m_glsl_version) << line_end;
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if (extensions)
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{
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std::vector<std::string> extensions_list;
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std::string extensions_str = (const char*)::glGetString(GL_EXTENSIONS);
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boost::split(extensions_list, extensions_str, boost::is_any_of(" "), boost::token_compress_off);
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if (!extensions_list.empty())
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{
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out << h2_start << "Installed extensions:" << h2_end << line_end;
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std::sort(extensions_list.begin(), extensions_list.end());
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for (const std::string& ext : extensions_list)
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{
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out << ext << line_end;
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}
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}
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}
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return out.str();
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}
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GLCanvas3DManager::EMultisampleState GLCanvas3DManager::s_multisample = GLCanvas3DManager::MS_Unknown;
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bool GLCanvas3DManager::s_compressed_textures_supported = false;
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GLCanvas3DManager::GLInfo GLCanvas3DManager::s_gl_info;
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GLCanvas3DManager::GLCanvas3DManager()
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: m_context(nullptr)
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, m_gl_initialized(false)
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{
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}
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GLCanvas3DManager::~GLCanvas3DManager()
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{
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this->destroy();
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}
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bool GLCanvas3DManager::add(wxGLCanvas* canvas, Bed3D& bed, Camera& camera, GLToolbar& view_toolbar)
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{
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if (canvas == nullptr)
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return false;
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if (do_get_canvas(canvas) != m_canvases.end())
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return false;
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GLCanvas3D* canvas3D = new GLCanvas3D(canvas, bed, camera, view_toolbar);
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if (canvas3D == nullptr)
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return false;
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canvas3D->bind_event_handlers();
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if (m_context == nullptr)
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{
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m_context = new wxGLContext(canvas);
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if (m_context == nullptr)
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return false;
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}
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canvas3D->set_context(m_context);
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m_canvases.insert(CanvasesMap::value_type(canvas, canvas3D));
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return true;
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}
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bool GLCanvas3DManager::remove(wxGLCanvas* canvas)
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{
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CanvasesMap::iterator it = do_get_canvas(canvas);
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if (it == m_canvases.end())
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return false;
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it->second->unbind_event_handlers();
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delete it->second;
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m_canvases.erase(it);
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return true;
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}
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void GLCanvas3DManager::remove_all()
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{
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for (CanvasesMap::value_type& item : m_canvases)
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{
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item.second->unbind_event_handlers();
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delete item.second;
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}
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m_canvases.clear();
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}
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unsigned int GLCanvas3DManager::count() const
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{
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return (unsigned int)m_canvases.size();
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}
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void GLCanvas3DManager::init_gl()
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{
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if (!m_gl_initialized)
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{
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glewInit();
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m_gl_initialized = true;
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if (GLEW_EXT_texture_compression_s3tc)
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s_compressed_textures_supported = true;
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else
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s_compressed_textures_supported = false;
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if (! s_gl_info.is_version_greater_or_equal_to(2, 0)) {
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// Complain about the OpenGL version.
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wxString message = wxString::Format(
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_(L("PrusaSlicer requires OpenGL 2.0 capable graphics driver to run correctly, \n"
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"while OpenGL version %s, render %s, vendor %s was detected.")), wxString(s_gl_info.get_version()), wxString(s_gl_info.get_renderer()), wxString(s_gl_info.get_vendor()));
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message += "\n";
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message += _(L("You may need to update your graphics card driver."));
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#ifdef _WIN32
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message += "\n";
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message += _(L("As a workaround, you may run PrusaSlicer with a software rendered 3D graphics by running prusa-slicer.exe with the --sw_renderer parameter."));
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#endif
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wxMessageBox(message, wxString("PrusaSlicer - ") + _(L("Unsupported OpenGL version")), wxOK | wxICON_ERROR);
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}
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}
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}
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bool GLCanvas3DManager::init(wxGLCanvas* canvas)
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{
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CanvasesMap::const_iterator it = do_get_canvas(canvas);
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if (it != m_canvases.end())
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return (it->second != nullptr) ? init(*it->second) : false;
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else
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return false;
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}
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void GLCanvas3DManager::destroy()
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{
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if (m_context != nullptr)
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{
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delete m_context;
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m_context = nullptr;
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}
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}
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GLCanvas3D* GLCanvas3DManager::get_canvas(wxGLCanvas* canvas)
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{
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CanvasesMap::const_iterator it = do_get_canvas(canvas);
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return (it != m_canvases.end()) ? it->second : nullptr;
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}
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wxGLCanvas* GLCanvas3DManager::create_wxglcanvas(wxWindow *parent)
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{
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int attribList[] = {
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WX_GL_RGBA,
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WX_GL_DOUBLEBUFFER,
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// RGB channels each should be allocated with 8 bit depth. One should almost certainly get these bit depths by default.
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WX_GL_MIN_RED, 8,
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WX_GL_MIN_GREEN, 8,
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WX_GL_MIN_BLUE, 8,
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// Requesting an 8 bit alpha channel. Interestingly, the NVIDIA drivers would most likely work with some alpha plane, but glReadPixels would not return
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// the alpha channel on NVIDIA if not requested when the GL context is created.
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WX_GL_MIN_ALPHA, 8,
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WX_GL_DEPTH_SIZE, 24,
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WX_GL_SAMPLE_BUFFERS, GL_TRUE,
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WX_GL_SAMPLES, 4,
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0
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};
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if (s_multisample == MS_Unknown)
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{
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detect_multisample(attribList);
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// // debug output
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// std::cout << "Multisample " << (can_multisample() ? "enabled" : "disabled") << std::endl;
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}
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if (! can_multisample())
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attribList[12] = 0;
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return new wxGLCanvas(parent, wxID_ANY, attribList, wxDefaultPosition, wxDefaultSize, wxWANTS_CHARS);
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}
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GLCanvas3DManager::CanvasesMap::iterator GLCanvas3DManager::do_get_canvas(wxGLCanvas* canvas)
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{
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return (canvas == nullptr) ? m_canvases.end() : m_canvases.find(canvas);
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}
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GLCanvas3DManager::CanvasesMap::const_iterator GLCanvas3DManager::do_get_canvas(wxGLCanvas* canvas) const
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{
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return (canvas == nullptr) ? m_canvases.end() : m_canvases.find(canvas);
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}
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bool GLCanvas3DManager::init(GLCanvas3D& canvas)
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{
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if (!m_gl_initialized)
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init_gl();
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return canvas.init();
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}
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void GLCanvas3DManager::detect_multisample(int* attribList)
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{
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int wxVersion = wxMAJOR_VERSION * 10000 + wxMINOR_VERSION * 100 + wxRELEASE_NUMBER;
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bool enable_multisample = wxVersion >= 30003;
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s_multisample = (enable_multisample && wxGLCanvas::IsDisplaySupported(attribList)) ? MS_Enabled : MS_Disabled;
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// Alternative method: it was working on previous version of wxWidgets but not with the latest, at least on Windows
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// s_multisample = enable_multisample && wxGLCanvas::IsExtensionSupported("WGL_ARB_multisample");
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}
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} // namespace GUI
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} // namespace Slic3r
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