include/GLView.h

   1 /*******************************************************************************
   2 /
   3 /       File:           GLView.h
   4 /
   5 /       Copyright 1993-98, Be Incorporated, All Rights Reserved.
   6 /
   7 *******************************************************************************/
   8
   9 #ifndef BGLVIEW_H
  10 #define BGLVIEW_H
  11
  12 #include <GL/gl.h>
  13
  14 #define BGL_RGB                 0
  15 #define BGL_INDEX               1
  16 #define BGL_SINGLE              0
  17 #define BGL_DOUBLE              2
  18 #define BGL_DIRECT              0
  19 #define BGL_INDIRECT    4
  20 #define BGL_ACCUM               8
  21 #define BGL_ALPHA               16
  22 #define BGL_DEPTH               32
  23 #define BGL_OVERLAY             64
  24 #define BGL_UNDERLAY    128
  25 #define BGL_STENCIL             512
  26
  27 #ifdef __cplusplus
  28
  29
  30 #include <AppKit.h>
  31 #include <interface/Window.h>
  32 #include <interface/View.h>
  33 #include <interface/Bitmap.h>
  34 #include <game/WindowScreen.h>
  35 #include <game/DirectWindow.h>
  36
  37 class BGLView : public BView {
  38 public:
  39
  40                                         BGLView(BRect rect, char *name,
  41                                                 ulong resizingMode, ulong mode,
  42                                                 ulong options);
  43 virtual                         ~BGLView();
  44
  45                 void            LockGL();
  46                 void            UnlockGL();
  47                 void            SwapBuffers();
  48                 void            SwapBuffers( bool vSync );
  49                 BView *     EmbeddedView();
  50                 status_t    CopyPixelsOut(BPoint source, BBitmap *dest);
  51                 status_t    CopyPixelsIn(BBitmap *source, BPoint dest);
  52 virtual void        ErrorCallback(unsigned long errorCode);     // Mesa's GLenum is uint where Be's ones was ulong!
  53
  54 virtual void            Draw(BRect updateRect);
  55
  56 virtual void            AttachedToWindow();
  57 virtual void        AllAttached();
  58 virtual void        DetachedFromWindow();
  59 virtual void        AllDetached();
  60
  61 virtual void            FrameResized(float width, float height);
  62 virtual status_t    Perform(perform_code d, void *arg);
  63
  64         /* The public methods below, for the moment,
  65            are just pass-throughs to BView */
  66
  67 virtual status_t    Archive(BMessage *data, bool deep = true) const;
  68
  69 virtual void        MessageReceived(BMessage *msg);
  70 virtual void        SetResizingMode(uint32 mode);
  71
  72 virtual void        Show();
  73 virtual void        Hide();
  74
  75 virtual BHandler   *ResolveSpecifier(BMessage *msg, int32 index,
  76                                                         BMessage *specifier, int32 form,
  77                                                         const char *property);
  78 virtual status_t    GetSupportedSuites(BMessage *data);
  79
  80 /* New public functions */
  81                 void            DirectConnected( direct_buffer_info *info );
  82                 void            EnableDirectMode( bool enabled );
  83
  84                 void *          getGC() { return m_gc; }
  85
  86 private:
  87
  88 virtual void        _ReservedGLView1();
  89 virtual void        _ReservedGLView2();
  90 virtual void        _ReservedGLView3();
  91 virtual void        _ReservedGLView4();
  92 virtual void        _ReservedGLView5();
  93 virtual void        _ReservedGLView6();
  94 virtual void        _ReservedGLView7();
  95 virtual void        _ReservedGLView8();
  96
  97                                         BGLView(const BGLView &);
  98                                         BGLView     &operator=(const BGLView &);
  99
 100                 void        dither_front();
 101                 bool        confirm_dither();
 102                 void        draw(BRect r);
 103
 104                 void *          m_gc;
 105                 uint32          m_options;
 106                 uint32      m_ditherCount;
 107                 BLocker         m_drawLock;
 108                 BLocker     m_displayLock;
 109                 void *          m_clip_info;
 110                 void *          _Unused1;
 111
 112                 BBitmap *   m_ditherMap;
 113                 BRect       m_bounds;
 114                 int16 *     m_errorBuffer[2];
 115                 uint64      _reserved[8];
 116
 117         /* Direct Window stuff */
 118 private:
 119                 void            drawScanline( int x1, int x2, int y, void *data );
 120 static  void            scanlineHandler(struct rasStateRec *state, GLint x1, GLint x2);
 121
 122                 void            lock_draw();
 123                 void            unlock_draw();
 124                 bool            validateView();
 125 };
 126
 127
 128
 129 class BGLScreen : public BWindowScreen {
 130 public:
 131         BGLScreen(char *name,
 132                         ulong screenMode, ulong options,
 133                         status_t *error, bool debug=false);
 134         ~BGLScreen();
 135
 136         void            LockGL();
 137         void            UnlockGL();
 138         void            SwapBuffers();
 139         virtual void        ErrorCallback(GLenum errorCode);
 140
 141         virtual void            ScreenConnected(bool connected);
 142         virtual void            FrameResized(float width, float height);
 143         virtual status_t    Perform(perform_code d, void *arg);
 144
 145         /* The public methods below, for the moment,
 146            are just pass-throughs to BWindowScreen */
 147
 148         virtual status_t    Archive(BMessage *data, bool deep = true) const;
 149         virtual void        MessageReceived(BMessage *msg);
 150
 151         virtual void        Show();
 152         virtual void        Hide();
 153
 154         virtual BHandler   *ResolveSpecifier(BMessage *msg,
 155                         int32 index,
 156                                                 BMessage *specifier,
 157                                                 int32 form,
 158                                                 const char *property);
 159         virtual status_t    GetSupportedSuites(BMessage *data);
 160
 161 private:
 162
 163         virtual void        _ReservedGLScreen1();
 164         virtual void        _ReservedGLScreen2();
 165         virtual void        _ReservedGLScreen3();
 166         virtual void        _ReservedGLScreen4();
 167         virtual void        _ReservedGLScreen5();
 168         virtual void        _ReservedGLScreen6();
 169         virtual void        _ReservedGLScreen7();
 170         virtual void        _ReservedGLScreen8();
 171
 172         BGLScreen(const BGLScreen &);
 173         BGLScreen   &operator=(const BGLScreen &);
 174
 175         void *          m_gc;
 176         long            m_options;
 177         BLocker         m_drawLock;
 178
 179         int32           m_colorSpace;
 180         uint32          m_screen_mode;
 181
 182         uint64      _reserved[7];
 183 };
 184
 185 #endif  // __cplusplus
 186
 187 #endif  // BGLVIEW_H
 188
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