1/* 2 * Copyright 2008-2013, Haiku, Inc. All Rights Reserved. 3 * Distributed under the terms of the MIT License. 4 * 5 * This header defines BGLView, the base class making up 6 * the Haiku GL Kit. 7 * 8 */ 9#ifndef BGLVIEW_H 10#define BGLVIEW_H 11 12 13#include <GL/gl.h> 14 15#define BGL_RGB 0 16#define BGL_INDEX 1 17#define BGL_SINGLE 0 18#define BGL_DOUBLE 2 19#define BGL_DIRECT 0 20#define BGL_INDIRECT 4 21#define BGL_ACCUM 8 22#define BGL_ALPHA 16 23#define BGL_DEPTH 32 24#define BGL_OVERLAY 64 25#define BGL_UNDERLAY 128 26#define BGL_STENCIL 512 27#define BGL_SHARE_CONTEXT 1024 28 29#ifdef __cplusplus 30 31#include <AppKit.h> 32#include <Bitmap.h> 33#include <DirectWindow.h> 34#include <View.h> 35#include <Window.h> 36#include <WindowScreen.h> 37 38 39struct glview_direct_info; 40class BGLRenderer; 41class GLRendererRoster; 42 43class _EXPORT BGLView : public BView { 44public: 45 BGLView(BRect rect, const char* name, 46 ulong resizingMode, ulong mode, 47 ulong options); 48 virtual ~BGLView(); 49 50 void LockGL(); 51 void UnlockGL(); 52 void SwapBuffers(); 53 void SwapBuffers(bool vSync); 54 55 BView* EmbeddedView(); // deprecated, returns NULL 56 void* GetGLProcAddress(const char* procName); 57 58 status_t CopyPixelsOut(BPoint source, BBitmap *dest); 59 status_t CopyPixelsIn(BBitmap *source, BPoint dest); 60 61 // Mesa's GLenum is uint where Be's ones was ulong! 62 virtual void ErrorCallback(unsigned long errorCode); 63 64 virtual void Draw(BRect updateRect); 65 virtual void AttachedToWindow(); 66 virtual void AllAttached(); 67 virtual void DetachedFromWindow(); 68 virtual void AllDetached(); 69 70 virtual void FrameResized(float newWidth, float newHeight); 71 virtual status_t Perform(perform_code d, void *arg); 72 73 virtual status_t Archive(BMessage *data, bool deep = true) const; 74 75 virtual void MessageReceived(BMessage *message); 76 virtual void SetResizingMode(uint32 mode); 77 78 virtual void Show(); 79 virtual void Hide(); 80 81 virtual BHandler* ResolveSpecifier(BMessage *msg, int32 index, 82 BMessage *specifier, int32 form, 83 const char *property); 84 virtual status_t GetSupportedSuites(BMessage *data); 85 86 void DirectConnected(direct_buffer_info *info); 87 void EnableDirectMode(bool enabled); 88 89 void* getGC() { return fGc; } // ??? 90 91 virtual void GetPreferredSize(float* width, float* height); 92 93private: 94 95 virtual void _ReservedGLView1(); 96 virtual void _ReservedGLView2(); 97 virtual void _ReservedGLView3(); 98 virtual void _ReservedGLView4(); 99 virtual void _ReservedGLView5(); 100 virtual void _ReservedGLView6(); 101 virtual void _ReservedGLView7(); 102 virtual void _ReservedGLView8(); 103 104 BGLView(const BGLView &); 105 BGLView &operator=(const BGLView &); 106 107 void _DitherFront(); 108 bool _ConfirmDither(); 109 void _Draw(BRect rect); 110 void _CallDirectConnected(); 111 112 void* fGc; 113 uint32 fOptions; 114 uint32 fDitherCount; 115 BLocker fDrawLock; 116 BLocker fDisplayLock; 117 glview_direct_info* fClipInfo; 118 119 BGLRenderer* fRenderer; 120 GLRendererRoster* fRoster; 121 122 BBitmap* fDitherMap; 123 BRect fBounds; 124 int16* fErrorBuffer[2]; 125 uint64 _reserved[8]; 126 127 void _LockDraw(); 128 void _UnlockDraw(); 129 130// BeOS compatibility 131private: 132 BGLView(BRect rect, char* name, 133 ulong resizingMode, ulong mode, 134 ulong options); 135}; 136 137 138class BGLScreen : public BWindowScreen { 139public: 140 BGLScreen(char* name, 141 ulong screenMode, ulong options, 142 status_t *error, bool debug=false); 143 ~BGLScreen(); 144 145 void LockGL(); 146 void UnlockGL(); 147 void SwapBuffers(); 148 // Mesa's GLenum is uint where Be's ones was ulong! 149 virtual void ErrorCallback(unsigned long errorCode); 150 151 virtual void ScreenConnected(bool connected); 152 virtual void FrameResized(float width, float height); 153 virtual status_t Perform(perform_code code, void *arg); 154 155 virtual status_t Archive(BMessage *data, bool deep = true) const; 156 virtual void MessageReceived(BMessage *message); 157 158 virtual void Show(); 159 virtual void Hide(); 160 161 virtual BHandler* ResolveSpecifier(BMessage *message, 162 int32 index, 163 BMessage *specifier, 164 int32 form, 165 const char *property); 166 virtual status_t GetSupportedSuites(BMessage *data); 167 168private: 169 170 virtual void _ReservedGLScreen1(); 171 virtual void _ReservedGLScreen2(); 172 virtual void _ReservedGLScreen3(); 173 virtual void _ReservedGLScreen4(); 174 virtual void _ReservedGLScreen5(); 175 virtual void _ReservedGLScreen6(); 176 virtual void _ReservedGLScreen7(); 177 virtual void _ReservedGLScreen8(); 178 179 BGLScreen(const BGLScreen &); 180 BGLScreen &operator=(const BGLScreen &); 181 182 void* fGc; 183 long fOptions; 184 BLocker fDrawLock; 185 186 int32 fColorSpace; 187 uint32 fScreenMode; 188 189 uint64 _reserved[7]; 190}; 191 192#endif // __cplusplus 193 194#endif // BGLVIEW_H 195