PrusaSlicer-NonPlainar/src/slic3r/GUI/OpenGLManager.cpp
2020-05-06 14:48:40 +02:00

321 lines
10 KiB
C++

#include "libslic3r/libslic3r.h"
#include "OpenGLManager.hpp"
#include "GUI.hpp"
#include "I18N.hpp"
#include "3DScene.hpp"
#include <GL/glew.h>
#include <boost/algorithm/string/split.hpp>
#include <boost/algorithm/string/classification.hpp>
#include <boost/log/trivial.hpp>
#include <wx/glcanvas.h>
#include <wx/msgdlg.h>
#if ENABLE_HACK_CLOSING_ON_OSX_10_9_5
#ifdef __APPLE__
// Part of hack to remove crash when closing the application on OSX 10.9.5 when building against newer wxWidgets
#include <wx/platinfo.h>
#endif // __APPLE__
#endif // ENABLE_HACK_CLOSING_ON_OSX_10_9_5
#ifdef __APPLE__
#include "../Utils/MacDarkMode.hpp"
#endif // __APPLE__
namespace Slic3r {
namespace GUI {
const std::string& OpenGLManager::GLInfo::get_version() const
{
if (!m_detected)
detect();
return m_version;
}
const std::string& OpenGLManager::GLInfo::get_glsl_version() const
{
if (!m_detected)
detect();
return m_glsl_version;
}
const std::string& OpenGLManager::GLInfo::get_vendor() const
{
if (!m_detected)
detect();
return m_vendor;
}
const std::string& OpenGLManager::GLInfo::get_renderer() const
{
if (!m_detected)
detect();
return m_renderer;
}
int OpenGLManager::GLInfo::get_max_tex_size() const
{
if (!m_detected)
detect();
// clamp to avoid the texture generation become too slow and use too much GPU memory
#ifdef __APPLE__
// and use smaller texture for non retina systems
return (Slic3r::GUI::mac_max_scaling_factor() > 1.0) ? std::min(m_max_tex_size, 8192) : std::min(m_max_tex_size / 2, 4096);
#else
// and use smaller texture for older OpenGL versions
return is_version_greater_or_equal_to(3, 0) ? std::min(m_max_tex_size, 8192) : std::min(m_max_tex_size / 2, 4096);
#endif // __APPLE__
}
float OpenGLManager::GLInfo::get_max_anisotropy() const
{
if (!m_detected)
detect();
return m_max_anisotropy;
}
void OpenGLManager::GLInfo::detect() const
{
const char* data = (const char*)::glGetString(GL_VERSION);
if (data != nullptr)
m_version = data;
data = (const char*)::glGetString(GL_SHADING_LANGUAGE_VERSION);
if (data != nullptr)
m_glsl_version = data;
data = (const char*)::glGetString(GL_VENDOR);
if (data != nullptr)
m_vendor = data;
data = (const char*)::glGetString(GL_RENDERER);
if (data != nullptr)
m_renderer = data;
glsafe(::glGetIntegerv(GL_MAX_TEXTURE_SIZE, &m_max_tex_size));
m_max_tex_size /= 2;
if (Slic3r::total_physical_memory() / (1024 * 1024 * 1024) < 6)
m_max_tex_size /= 2;
if (GLEW_EXT_texture_filter_anisotropic)
glsafe(::glGetFloatv(GL_MAX_TEXTURE_MAX_ANISOTROPY_EXT, &m_max_anisotropy));
m_detected = true;
}
bool OpenGLManager::GLInfo::is_version_greater_or_equal_to(unsigned int major, unsigned int minor) const
{
if (!m_detected)
detect();
std::vector<std::string> tokens;
boost::split(tokens, m_version, boost::is_any_of(" "), boost::token_compress_on);
if (tokens.empty())
return false;
std::vector<std::string> numbers;
boost::split(numbers, tokens[0], boost::is_any_of("."), boost::token_compress_on);
unsigned int gl_major = 0;
unsigned int gl_minor = 0;
if (numbers.size() > 0)
gl_major = ::atoi(numbers[0].c_str());
if (numbers.size() > 1)
gl_minor = ::atoi(numbers[1].c_str());
if (gl_major < major)
return false;
else if (gl_major > major)
return true;
else
return gl_minor >= minor;
}
std::string OpenGLManager::GLInfo::to_string(bool format_as_html, bool extensions) const
{
if (!m_detected)
detect();
std::stringstream out;
std::string h2_start = format_as_html ? "<b>" : "";
std::string h2_end = format_as_html ? "</b>" : "";
std::string b_start = format_as_html ? "<b>" : "";
std::string b_end = format_as_html ? "</b>" : "";
std::string line_end = format_as_html ? "<br>" : "\n";
out << h2_start << "OpenGL installation" << h2_end << line_end;
out << b_start << "GL version: " << b_end << (m_version.empty() ? "N/A" : m_version) << line_end;
out << b_start << "Vendor: " << b_end << (m_vendor.empty() ? "N/A" : m_vendor) << line_end;
out << b_start << "Renderer: " << b_end << (m_renderer.empty() ? "N/A" : m_renderer) << line_end;
out << b_start << "GLSL version: " << b_end << (m_glsl_version.empty() ? "N/A" : m_glsl_version) << line_end;
if (extensions)
{
std::vector<std::string> extensions_list;
std::string extensions_str = (const char*)::glGetString(GL_EXTENSIONS);
boost::split(extensions_list, extensions_str, boost::is_any_of(" "), boost::token_compress_off);
if (!extensions_list.empty())
{
out << h2_start << "Installed extensions:" << h2_end << line_end;
std::sort(extensions_list.begin(), extensions_list.end());
for (const std::string& ext : extensions_list)
{
out << ext << line_end;
}
}
}
return out.str();
}
OpenGLManager::GLInfo OpenGLManager::s_gl_info;
bool OpenGLManager::s_compressed_textures_supported = false;
OpenGLManager::EMultisampleState OpenGLManager::s_multisample = OpenGLManager::EMultisampleState::Unknown;
OpenGLManager::EFramebufferType OpenGLManager::s_framebuffers_type = OpenGLManager::EFramebufferType::Unknown;
#if ENABLE_HACK_CLOSING_ON_OSX_10_9_5
#ifdef __APPLE__
// Part of hack to remove crash when closing the application on OSX 10.9.5 when building against newer wxWidgets
OpenGLManager::OSInfo OpenGLManager::s_os_info;
#endif // __APPLE__
#endif // ENABLE_HACK_CLOSING_ON_OSX_10_9_5
OpenGLManager::~OpenGLManager()
{
#if ENABLE_HACK_CLOSING_ON_OSX_10_9_5
#ifdef __APPLE__
// This is an ugly hack needed to solve the crash happening when closing the application on OSX 10.9.5 with newer wxWidgets
// The crash is triggered inside wxGLContext destructor
if (s_os_info.major != 10 || s_os_info.minor != 9 || s_os_info.micro != 5)
{
#endif //__APPLE__
#endif // ENABLE_HACK_CLOSING_ON_OSX_10_9_5
if (m_context != nullptr)
delete m_context;
#if ENABLE_HACK_CLOSING_ON_OSX_10_9_5
#ifdef __APPLE__
}
#endif //__APPLE__
#endif // ENABLE_HACK_CLOSING_ON_OSX_10_9_5
}
bool OpenGLManager::init_gl()
{
if (!m_gl_initialized)
{
if (glewInit() != GLEW_OK)
{
BOOST_LOG_TRIVIAL(error) << "Unable to init glew library";
return false;
}
m_gl_initialized = true;
if (GLEW_EXT_texture_compression_s3tc)
s_compressed_textures_supported = true;
else
s_compressed_textures_supported = false;
if (GLEW_ARB_framebuffer_object)
s_framebuffers_type = EFramebufferType::Arb;
else if (GLEW_EXT_framebuffer_object)
s_framebuffers_type = EFramebufferType::Ext;
else
s_framebuffers_type = EFramebufferType::Unknown;
if (! s_gl_info.is_version_greater_or_equal_to(2, 0)) {
// Complain about the OpenGL version.
wxString message = from_u8((boost::format(
_utf8(L("PrusaSlicer requires OpenGL 2.0 capable graphics driver to run correctly, \n"
"while OpenGL version %s, render %s, vendor %s was detected."))) % s_gl_info.get_version() % s_gl_info.get_renderer() % s_gl_info.get_vendor()).str());
message += "\n";
message += _L("You may need to update your graphics card driver.");
#ifdef _WIN32
message += "\n";
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.");
#endif
wxMessageBox(message, wxString("PrusaSlicer - ") + _L("Unsupported OpenGL version"), wxOK | wxICON_ERROR);
}
}
return true;
}
wxGLContext* OpenGLManager::init_glcontext(wxGLCanvas& canvas)
{
if (m_context == nullptr)
{
m_context = new wxGLContext(&canvas);
#if ENABLE_HACK_CLOSING_ON_OSX_10_9_5
#ifdef __APPLE__
// Part of hack to remove crash when closing the application on OSX 10.9.5 when building against newer wxWidgets
s_os_info.major = wxPlatformInfo::Get().GetOSMajorVersion();
s_os_info.minor = wxPlatformInfo::Get().GetOSMinorVersion();
s_os_info.micro = wxPlatformInfo::Get().GetOSMicroVersion();
#endif //__APPLE__
#endif // ENABLE_HACK_CLOSING_ON_OSX_10_9_5
}
return m_context;
}
wxGLCanvas* OpenGLManager::create_wxglcanvas(wxWindow& parent)
{
int attribList[] = {
WX_GL_RGBA,
WX_GL_DOUBLEBUFFER,
// RGB channels each should be allocated with 8 bit depth. One should almost certainly get these bit depths by default.
WX_GL_MIN_RED, 8,
WX_GL_MIN_GREEN, 8,
WX_GL_MIN_BLUE, 8,
// Requesting an 8 bit alpha channel. Interestingly, the NVIDIA drivers would most likely work with some alpha plane, but glReadPixels would not return
// the alpha channel on NVIDIA if not requested when the GL context is created.
WX_GL_MIN_ALPHA, 8,
WX_GL_DEPTH_SIZE, 24,
WX_GL_SAMPLE_BUFFERS, GL_TRUE,
WX_GL_SAMPLES, 4,
0
};
if (s_multisample == EMultisampleState::Unknown)
{
detect_multisample(attribList);
// // debug output
// std::cout << "Multisample " << (can_multisample() ? "enabled" : "disabled") << std::endl;
}
if (! can_multisample())
attribList[12] = 0;
return new wxGLCanvas(&parent, wxID_ANY, attribList, wxDefaultPosition, wxDefaultSize, wxWANTS_CHARS);
}
void OpenGLManager::detect_multisample(int* attribList)
{
int wxVersion = wxMAJOR_VERSION * 10000 + wxMINOR_VERSION * 100 + wxRELEASE_NUMBER;
bool enable_multisample = wxVersion >= 30003;
s_multisample = (enable_multisample && wxGLCanvas::IsDisplaySupported(attribList)) ? EMultisampleState::Enabled : EMultisampleState::Disabled;
// Alternative method: it was working on previous version of wxWidgets but not with the latest, at least on Windows
// s_multisample = enable_multisample && wxGLCanvas::IsExtensionSupported("WGL_ARB_multisample");
}
} // namespace GUI
} // namespace Slic3r