X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/4ff26999522a2faabd9133e52ba588df6b514884..e2badebb8fad5ee453fada24f336c275df9f216b:/include/wx/glcanvas.h diff --git a/include/wx/glcanvas.h b/include/wx/glcanvas.h index 762665c0be..7257bbf35a 100644 --- a/include/wx/glcanvas.h +++ b/include/wx/glcanvas.h @@ -16,41 +16,188 @@ #if wxUSE_GLCANVAS +#include "wx/app.h" +#include "wx/palette.h" +#include "wx/window.h" + +class WXDLLIMPEXP_GL wxGLCanvas; +class WXDLLIMPEXP_GL wxGLContext; + +// ---------------------------------------------------------------------------- +// Constants for attributes list +// ---------------------------------------------------------------------------- + +// The generic OpenGL implementation doesn't support most of these options, +// such as stereo, auxiliary buffers, alpha channel, and accumulator buffer. +// Other implementations may actually support them. +enum +{ + WX_GL_RGBA=1, /* use true color palette */ + WX_GL_BUFFER_SIZE, /* bits for buffer if not WX_GL_RGBA */ + WX_GL_LEVEL, /* 0 for main buffer, >0 for overlay, <0 for underlay */ + WX_GL_DOUBLEBUFFER, /* use doublebuffer */ + WX_GL_STEREO, /* use stereoscopic display */ + WX_GL_AUX_BUFFERS, /* number of auxiliary buffers */ + WX_GL_MIN_RED, /* use red buffer with most bits (> MIN_RED bits) */ + WX_GL_MIN_GREEN, /* use green buffer with most bits (> MIN_GREEN bits) */ + WX_GL_MIN_BLUE, /* use blue buffer with most bits (> MIN_BLUE bits) */ + WX_GL_MIN_ALPHA, /* use alpha buffer with most bits (> MIN_ALPHA bits) */ + WX_GL_DEPTH_SIZE, /* bits for Z-buffer (0,16,32) */ + WX_GL_STENCIL_SIZE, /* bits for stencil buffer */ + WX_GL_MIN_ACCUM_RED, /* use red accum buffer with most bits (> MIN_ACCUM_RED bits) */ + WX_GL_MIN_ACCUM_GREEN, /* use green buffer with most bits (> MIN_ACCUM_GREEN bits) */ + WX_GL_MIN_ACCUM_BLUE, /* use blue buffer with most bits (> MIN_ACCUM_BLUE bits) */ + WX_GL_MIN_ACCUM_ALPHA /* use alpha buffer with most bits (> MIN_ACCUM_ALPHA bits) */ +}; + #define wxGLCanvasName _T("GLCanvas") +// ---------------------------------------------------------------------------- +// wxGLContextBase: OpenGL rendering context +// ---------------------------------------------------------------------------- + +class WXDLLIMPEXP_GL wxGLContextBase : public wxObject +{ +public: + /* + The derived class should provide a ctor with this signature: + + wxGLContext(wxGLCanvas *win, const wxGLContext *other = NULL); + */ + + // set this context as the current one + virtual void SetCurrent(const wxGLCanvas& win) const = 0; +}; + +// ---------------------------------------------------------------------------- +// wxGLCanvasBase: window which can be used for OpenGL rendering +// ---------------------------------------------------------------------------- + +class WXDLLIMPEXP_GL wxGLCanvasBase : public wxWindow +{ +public: + // default ctor doesn't initialize the window, use Create() later + wxGLCanvasBase(); + + virtual ~wxGLCanvasBase(); + + + /* + The derived class should provide a ctor with this signature: + + wxGLCanvas(wxWindow *parent, + wxWindowID id = wxID_ANY, + int* attribList = 0, + const wxPoint& pos = wxDefaultPosition, + const wxSize& size = wxDefaultSize, + long style = 0, + const wxString& name = wxGLCanvasName, + const wxPalette& palette = wxNullPalette); + */ + + // operations + // ---------- + + // set the given context associated with this window as the current one + void SetCurrent(const wxGLContext& context) const; + + // flush the back buffer (if we have it) + virtual void SwapBuffers() = 0; + + + // accessors + // --------- + + const wxPalette *GetPalette() const { return &m_palette; } + + // miscellaneous helper functions + // ------------------------------ + + // call glcolor() for the colour with the given name, return false if + // colour not found + bool SetColour(const wxString& colour); + + + + // deprecated methods using the implicit wxGLContext +#if WXWIN_COMPATIBILITY_2_8 + wxDEPRECATED( wxGLContext* GetContext() const ); + + wxDEPRECATED( void SetCurrent() ); + + wxDEPRECATED( void OnSize(wxSizeEvent& event) ); +#endif // WXWIN_COMPATIBILITY_2_8 + +#ifdef __WXUNIVERSAL__ + // resolve the conflict with wxWindowUniv::SetCurrent() + virtual bool SetCurrent(bool doit) { return wxWindow::SetCurrent(doit); }; +#endif + +protected: + // override this to implement SetColour() in GL_INDEX_MODE + // (currently only implemented in wxX11 and wxMotif ports) + virtual int GetColourIndex(const wxColour& WXUNUSED(col)) { return -1; } + + // create default palette if we're not using RGBA mode + // (not supported in most ports) + virtual wxPalette CreateDefaultPalette() { return wxNullPalette; } + + + wxPalette m_palette; + +#if WXWIN_COMPATIBILITY_2_8 + wxGLContext *m_glContext; +#endif // WXWIN_COMPATIBILITY_2_8 +}; + +// ---------------------------------------------------------------------------- +// wxGLApp: a special wxApp subclass for OpenGL applications which must be used +// to select a visual compatible with the given attributes +// ---------------------------------------------------------------------------- + +class WXDLLIMPEXP_GL wxGLAppBase : public wxApp +{ +public: + wxGLAppBase() : wxApp() { } + + // use this in the constructor of the user-derived wxGLApp class to + // determine if an OpenGL rendering context with these attributes + // is available - returns true if so, false if not. + virtual bool InitGLVisual(const int *attribList) = 0; +}; + #if defined(__WXMSW__) -#include "wx/msw/glcanvas.h" -#elif defined(__WXMOTIF__) -#include "wx/x11/glcanvas.h" + #include "wx/msw/glcanvas.h" +#elif defined(__WXMOTIF__) || defined(__WXX11__) + #include "wx/x11/glcanvas.h" #elif defined(__WXGTK20__) -#include "wx/gtk/glcanvas.h" + #include "wx/gtk/glcanvas.h" #elif defined(__WXGTK__) -#include "wx/gtk1/glcanvas.h" -#elif defined(__WXX11__) -#include "wx/x11/glcanvas.h" + #include "wx/gtk1/glcanvas.h" #elif defined(__WXMAC__) -#include "wx/mac/glcanvas.h" + #include "wx/mac/glcanvas.h" #elif defined(__WXCOCOA__) -#include "wx/cocoa/glcanvas.h" + #include "wx/cocoa/glcanvas.h" +#else + #error "wxGLCanvas not supported in this wxWidgets port" #endif -#include "wx/app.h" -class WXDLLIMPEXP_GL wxGLApp : public wxApp +// wxMac and wxMSW don't need anything extra in wxGLAppBase, so declare it here +#ifndef wxGL_APP_DEFINED + +class WXDLLIMPEXP_GL wxGLApp : public wxGLAppBase { public: - wxGLApp() : wxApp() { } - virtual ~wxGLApp(); + wxGLApp() : wxGLAppBase() { } - // use this in the constructor of the user-derived wxGLApp class to - // determine if an OpenGL rendering context with these attributes - // is available - returns true if so, false if not. - bool InitGLVisual(int *attribList); + virtual bool InitGLVisual(const int *attribList); private: DECLARE_DYNAMIC_CLASS(wxGLApp) }; -#endif - // wxUSE_GLCANVAS -#endif - // _WX_GLCANVAS_H_BASE_ +#endif // !wxGL_APP_DEFINED + +#endif // wxUSE_GLCANVAS + +#endif // _WX_GLCANVAS_H_BASE_