3dde6bdeb0
We need to do it when using XWayland for the same reasons as we had to do it in the EGL version when using either XWayland or Wayland directly: without this, we can block for up to 1 second in glXSwapBuffers() if the window is hidden, see #23512. Closes #24163. Closes #24165.
131 lines
3.7 KiB
C++
131 lines
3.7 KiB
C++
///////////////////////////////////////////////////////////////////////////////
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// Name: wx/unix/glx11.h
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// Purpose: class common for all X11-based wxGLCanvas implementations
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// Author: Vadim Zeitlin
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// Created: 2007-04-15
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// Copyright: (c) 2007 Vadim Zeitlin <vadim@wxwidgets.org>
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// Licence: wxWindows licence
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///////////////////////////////////////////////////////////////////////////////
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#ifndef _WX_UNIX_GLX11_H_
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#define _WX_UNIX_GLX11_H_
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#include <GL/gl.h>
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typedef struct __GLXcontextRec* GLXContext;
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typedef struct __GLXFBConfigRec* GLXFBConfig;
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// ----------------------------------------------------------------------------
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// wxGLContext
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// ----------------------------------------------------------------------------
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class WXDLLIMPEXP_GL wxGLContext : public wxGLContextBase
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{
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public:
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wxGLContext(wxGLCanvas *win,
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const wxGLContext *other = nullptr,
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const wxGLContextAttrs *ctxAttrs = nullptr);
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virtual ~wxGLContext();
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virtual bool SetCurrent(const wxGLCanvas& win) const override;
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private:
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GLXContext m_glContext;
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wxDECLARE_CLASS(wxGLContext);
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};
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// ----------------------------------------------------------------------------
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// wxGLCanvasX11
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// ----------------------------------------------------------------------------
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class WXDLLIMPEXP_GL wxGLCanvasX11 : public wxGLCanvasBase
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{
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public:
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// initialization and dtor
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// -----------------------
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// default ctor doesn't do anything, InitVisual() must be called
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wxGLCanvasX11();
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// initializes GLXFBConfig and XVisualInfo corresponding to the given attributes
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bool InitVisual(const wxGLAttributes& dispAttrs);
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// frees XVisualInfo info
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virtual ~wxGLCanvasX11();
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// implement wxGLCanvasBase methods
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// --------------------------------
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virtual bool SwapBuffers() override;
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// X11-specific methods
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// --------------------
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// return GLX version: 13 means 1.3 &c
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static int GetGLXVersion();
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// return true if multisample extension is available
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static bool IsGLXMultiSampleAvailable();
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// get the X11 handle of this window
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virtual unsigned long GetXWindow() const = 0;
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// GLX-specific methods
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// --------------------
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// override some wxWindow methods
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// ------------------------------
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// return true only if the window is realized: OpenGL context can't be
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// created until we are
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virtual bool IsShownOnScreen() const override;
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// implementation only from now on
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// -------------------------------
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// get the GLXFBConfig/XVisualInfo we use
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GLXFBConfig *GetGLXFBConfig() const { return m_fbc; }
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void* GetXVisualInfo() const { return m_vi; }
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// initialize the global default GL visual, return false if matching visual
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// not found
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static bool InitDefaultVisualInfo(const int *attribList);
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private:
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GLXFBConfig *m_fbc;
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void* m_vi;
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bool m_swapIntervalSet = false;
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};
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// ----------------------------------------------------------------------------
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// wxGLApp
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// ----------------------------------------------------------------------------
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// this is used in wx/glcanvas.h, prevent it from defining a generic wxGLApp
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#define wxGL_APP_DEFINED
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class WXDLLIMPEXP_GL wxGLApp : public wxGLAppBase
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{
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public:
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virtual bool InitGLVisual(const int *attribList) override;
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// This method is not currently used by the library itself, but remains for
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// backwards compatibility and also because wxGTK has it we could start
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// using it for the same purpose in wxX11 too some day.
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virtual void* GetXVisualInfo() override;
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// and override this wxApp method to clean up
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virtual int OnExit() override;
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private:
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wxDECLARE_DYNAMIC_CLASS(wxGLApp);
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};
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#endif // _WX_UNIX_GLX11_H_
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