Multisample detection

This commit is contained in:
Enrico Turri 2018-10-02 14:01:22 +02:00
parent 9021bd07a3
commit 01ba59158d
2 changed files with 33 additions and 15 deletions

View File

@ -110,6 +110,8 @@ std::string GLCanvas3DManager::GLInfo::to_string(bool format_as_html, bool exten
return out.str();
}
GLCanvas3DManager::EMultisampleState GLCanvas3DManager::s_multisample = GLCanvas3DManager::MS_Unknown;
GLCanvas3DManager::GLCanvas3DManager()
: m_current(nullptr)
, m_gl_initialized(false)
@ -827,24 +829,17 @@ void GLCanvas3DManager::register_action_selectbyparts_callback(wxGLCanvas* canva
it->second->register_action_selectbyparts_callback(callback);
}
bool GLCanvas3DManager::can_multisample()
{
int wxVersion = wxMAJOR_VERSION * 10000 + wxMINOR_VERSION * 100 + wxRELEASE_NUMBER;
const AppConfig* app_config = GUI::get_app_config();
bool enable_multisample = app_config != nullptr
&& app_config->get("use_legacy_opengl") != "1"
&& wxVersion >= 30003;
// if multisample is not enabled or supported by the graphic card, remove it from the attributes list
return enable_multisample && wxGLCanvas::IsExtensionSupported("WGL_ARB_multisample");
// <<< Alternative method: but IsDisplaySupported() seems not to work
// bool return enable_multisample && wxGLCanvas::IsDisplaySupported(attribList);
}
wxGLCanvas* GLCanvas3DManager::create_wxglcanvas(wxWindow *parent)
{
int attribList[] = { WX_GL_RGBA, WX_GL_DOUBLEBUFFER, WX_GL_DEPTH_SIZE, 24, WX_GL_SAMPLE_BUFFERS, GL_TRUE, WX_GL_SAMPLES, 4, 0 };
if (s_multisample == MS_Unknown)
{
_detect_multisample(attribList);
// debug output
std::cout << "Multisample " << (can_multisample() ? "enabled" : "disabled") << std::endl;
}
if (! can_multisample()) {
attribList[4] = 0;
}
@ -870,5 +865,18 @@ bool GLCanvas3DManager::_init(GLCanvas3D& canvas)
return canvas.init(m_use_VBOs, m_use_legacy_opengl);
}
void GLCanvas3DManager::_detect_multisample(int* attribList)
{
int wxVersion = wxMAJOR_VERSION * 10000 + wxMINOR_VERSION * 100 + wxRELEASE_NUMBER;
const AppConfig* app_config = GUI::get_app_config();
bool enable_multisample = app_config != nullptr
&& app_config->get("use_legacy_opengl") != "1"
&& wxVersion >= 30003;
s_multisample = (enable_multisample && wxGLCanvas::IsDisplaySupported(attribList)) ? MS_Enabled : MS_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

View File

@ -42,6 +42,13 @@ class GLCanvas3DManager
std::string to_string(bool format_as_html, bool extensions) const;
};
enum EMultisampleState : unsigned char
{
MS_Unknown,
MS_Enabled,
MS_Disabled
};
typedef std::map<wxGLCanvas*, GLCanvas3D*> CanvasesMap;
CanvasesMap m_canvases;
@ -50,6 +57,7 @@ class GLCanvas3DManager
bool m_gl_initialized;
bool m_use_legacy_opengl;
bool m_use_VBOs;
static EMultisampleState s_multisample;
public:
GLCanvas3DManager();
@ -187,13 +195,15 @@ public:
void register_action_layersediting_callback(wxGLCanvas* canvas, void* callback);
void register_action_selectbyparts_callback(wxGLCanvas* canvas, void* callback);
static bool can_multisample();
static bool can_multisample() { return s_multisample == MS_Enabled; }
static wxGLCanvas* create_wxglcanvas(wxWindow *parent);
private:
CanvasesMap::iterator _get_canvas(wxGLCanvas* canvas);
CanvasesMap::const_iterator _get_canvas(wxGLCanvas* canvas) const;
bool _init(GLCanvas3D& canvas);
static void _detect_multisample(int* attribList);
};
} // namespace GUI