initial commit

Signed-off-by: Peter Siegmund <mars3142@noreply.mars3142.dev>

libs/wxWidgets-3.3.1/include/wx/msw/glcanvas.h

@@ -0,0 +1,141 @@
+/////////////////////////////////////////////////////////////////////////////
+// Name:        wx/msw/glcanvas.h
+// Purpose:     wxGLCanvas, for using OpenGL with wxWidgets under Windows
+// Author:      Julian Smart
+// Created:     04/01/98
+// Copyright:   (c) Julian Smart
+// Licence:     wxWindows licence
+/////////////////////////////////////////////////////////////////////////////
+
+#ifndef _WX_GLCANVAS_H_
+#define _WX_GLCANVAS_H_
+
+#include "wx/palette.h"
+
+#include "wx/msw/wrapwin.h"
+
+#include <GL/gl.h>
+
+// ----------------------------------------------------------------------------
+// wxGLContext: OpenGL rendering context
+// ----------------------------------------------------------------------------
+
+class WXDLLIMPEXP_GL wxGLContext : public wxGLContextBase
+{
+public:
+    wxGLContext(wxGLCanvas *win,
+                const wxGLContext *other = nullptr,
+                const wxGLContextAttrs *ctxAttrs = nullptr);
+    virtual ~wxGLContext();
+
+    virtual bool SetCurrent(const wxGLCanvas& win) const override;
+
+    HGLRC GetGLRC() const { return m_glContext; }
+
+protected:
+    HGLRC m_glContext;
+
+private:
+    wxDECLARE_CLASS(wxGLContext);
+};
+
+// ----------------------------------------------------------------------------
+// wxGLCanvas: OpenGL output window
+// ----------------------------------------------------------------------------
+
+class WXDLLIMPEXP_GL wxGLCanvas : public wxGLCanvasBase
+{
+public:
+    wxGLCanvas() = default;
+
+    explicit // avoid implicitly converting a wxWindow* to wxGLCanvas
+    wxGLCanvas(wxWindow *parent,
+               const wxGLAttributes& dispAttrs,
+               wxWindowID id = wxID_ANY,
+               const wxPoint& pos = wxDefaultPosition,
+               const wxSize& size = wxDefaultSize,
+               long style = 0,
+               const wxString& name = wxGLCanvasName,
+               const wxPalette& palette = wxNullPalette);
+
+    explicit
+    wxGLCanvas(wxWindow *parent,
+               wxWindowID id = wxID_ANY,
+               const int *attribList = nullptr,
+               const wxPoint& pos = wxDefaultPosition,
+               const wxSize& size = wxDefaultSize,
+               long style = 0,
+               const wxString& name = wxGLCanvasName,
+               const wxPalette& palette = wxNullPalette);
+
+    bool Create(wxWindow *parent,
+                const wxGLAttributes& dispAttrs,
+                wxWindowID id = wxID_ANY,
+                const wxPoint& pos = wxDefaultPosition,
+                const wxSize& size = wxDefaultSize,
+                long style = 0,
+                const wxString& name = wxGLCanvasName,
+                const wxPalette& palette = wxNullPalette);
+
+    bool Create(wxWindow *parent,
+                wxWindowID id = wxID_ANY,
+                const wxPoint& pos = wxDefaultPosition,
+                const wxSize& size = wxDefaultSize,
+                long style = 0,
+                const wxString& name = wxGLCanvasName,
+                const int *attribList = nullptr,
+                const wxPalette& palette = wxNullPalette);
+
+    virtual ~wxGLCanvas();
+
+    // implement wxGLCanvasBase methods
+    virtual bool SwapBuffers() override;
+
+
+    // MSW-specific helpers
+    // --------------------
+
+    // get the HDC used for OpenGL rendering
+    HDC GetHDC() const { return m_hDC; }
+
+    // Try to find pixel format matching the given attributes list for the
+    // specified HDC, return 0 on error, otherwise ppfd is filled in with the
+    // information from dispAttrs
+    static int FindMatchingPixelFormat(const wxGLAttributes& dispAttrs,
+                                       PIXELFORMATDESCRIPTOR* ppfd = nullptr);
+    // Same as FindMatchingPixelFormat
+    static int ChooseMatchingPixelFormat(HDC hdc, const int *attribList,
+                                         PIXELFORMATDESCRIPTOR *pfd = nullptr);
+
+#if wxUSE_PALETTE
+    // palette stuff
+    bool SetupPalette(const wxPalette& palette);
+    virtual wxPalette CreateDefaultPalette() override;
+    void OnQueryNewPalette(wxQueryNewPaletteEvent& event);
+    void OnPaletteChanged(wxPaletteChangedEvent& event);
+#endif // wxUSE_PALETTE
+
+protected:
+    // the real window creation function, Create() may reuse it twice as we may
+    // need to create an OpenGL window to query the available extensions and
+    // then potentially delete and recreate it with another pixel format
+    bool CreateWindow(wxWindow *parent,
+                      wxWindowID id = wxID_ANY,
+                      const wxPoint& pos = wxDefaultPosition,
+                      const wxSize& size = wxDefaultSize,
+                      long style = 0,
+                      const wxString& name = wxGLCanvasName);
+
+    // set up the pixel format using the given attributes and palette
+    int DoSetup(PIXELFORMATDESCRIPTOR &pfd, const int *attribList);
+
+
+    // HDC for this window, we keep it all the time
+    HDC m_hDC = nullptr;
+
+private:
+    wxDECLARE_EVENT_TABLE();
+    wxDECLARE_CLASS(wxGLCanvas);
+};
+
+#endif // _WX_GLCANVAS_H_