summaryrefslogtreecommitdiffstats
path: root/gfx/gl/GLXLibrary.h
blob: d584b3b417ca1c3a0c2bbbd144610880665776f7 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 4 -*-
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

#ifndef GFX_GLXLIBRARY_H
#define GFX_GLXLIBRARY_H

#include "GLContextTypes.h"
typedef realGLboolean GLboolean;

// stuff from glx.h
#include "X11/Xlib.h"
typedef struct __GLXcontextRec* GLXContext;
typedef XID GLXPixmap;
typedef XID GLXDrawable;
/* GLX 1.3 and later */
typedef struct __GLXFBConfigRec* GLXFBConfig;
typedef XID GLXFBConfigID;
typedef XID GLXContextID;
typedef XID GLXWindow;
typedef XID GLXPbuffer;
// end of stuff from glx.h
#include "prenv.h"

struct PRLibrary;
class gfxASurface;

namespace mozilla {
namespace gl {

class GLXLibrary
{
public:
    constexpr GLXLibrary()
    : xDestroyContextInternal(nullptr)
    , xMakeCurrentInternal(nullptr)
    , xGetCurrentContextInternal(nullptr)
    , xGetProcAddressInternal(nullptr)
    , xChooseFBConfigInternal(nullptr)
    , xGetFBConfigsInternal(nullptr)
    , xCreateNewContextInternal(nullptr)
    , xGetFBConfigAttribInternal(nullptr)
    , xSwapBuffersInternal(nullptr)
    , xQueryExtensionsStringInternal(nullptr)
    , xGetClientStringInternal(nullptr)
    , xQueryServerStringInternal(nullptr)
    , xCreatePixmapInternal(nullptr)
    , xCreateGLXPixmapWithConfigInternal(nullptr)
    , xDestroyPixmapInternal(nullptr)
    , xQueryVersionInternal(nullptr)
    , xBindTexImageInternal(nullptr)
    , xReleaseTexImageInternal(nullptr)
    , xWaitGLInternal(nullptr)
    , xWaitXInternal(nullptr)
    , xCreateContextAttribsInternal(nullptr)
    , xGetVideoSyncInternal(nullptr)
    , xWaitVideoSyncInternal(nullptr)
    , xSwapIntervalInternal(nullptr)
    , mInitialized(false), mTriedInitializing(false)
    , mUseTextureFromPixmap(false), mDebug(false)
    , mHasRobustness(false), mHasCreateContextAttribs(false)
    , mHasVideoSync(false)
    , mIsATI(false), mIsNVIDIA(false)
    , mClientIsMesa(false), mGLXMajorVersion(0)
    , mGLXMinorVersion(0)
    , mOGLLibrary(nullptr)
    {}

    void xDestroyContext(Display* display, GLXContext context);
    Bool xMakeCurrent(Display* display,
                      GLXDrawable drawable,
                      GLXContext context);

    GLXContext xGetCurrentContext();
    static void* xGetProcAddress(const char* procName);
    GLXFBConfig* xChooseFBConfig(Display* display,
                                 int screen,
                                 const int* attrib_list,
                                 int* nelements);
    GLXFBConfig* xGetFBConfigs(Display* display,
                               int screen,
                               int* nelements);
    GLXContext xCreateNewContext(Display* display,
                                 GLXFBConfig config,
                                 int render_type,
                                 GLXContext share_list,
                                 Bool direct);
    int xGetFBConfigAttrib(Display* display,
                           GLXFBConfig config,
                           int attribute,
                           int* value);
    void xSwapBuffers(Display* display, GLXDrawable drawable);
    const char* xQueryExtensionsString(Display* display,
                                       int screen);
    const char* xGetClientString(Display* display,
                                 int screen);
    const char* xQueryServerString(Display* display,
                                   int screen, int name);
    GLXPixmap xCreatePixmap(Display* display,
                            GLXFBConfig config,
                            Pixmap pixmap,
                            const int* attrib_list);
    GLXPixmap xCreateGLXPixmapWithConfig(Display* display,
                                         GLXFBConfig config,
                                         Pixmap pixmap);
    void xDestroyPixmap(Display* display, GLXPixmap pixmap);
    Bool xQueryVersion(Display* display,
                       int* major,
                       int* minor);
    void xBindTexImage(Display* display,
                       GLXDrawable drawable,
                       int buffer,
                       const int* attrib_list);
    void xReleaseTexImage(Display* display,
                          GLXDrawable drawable,
                          int buffer);
    void xWaitGL();
    void xWaitX();

    GLXContext xCreateContextAttribs(Display* display,
                                     GLXFBConfig config,
                                     GLXContext share_list,
                                     Bool direct,
                                     const int* attrib_list);

    int xGetVideoSync(unsigned int* count);
    int xWaitVideoSync(int divisor, int remainder, unsigned int* count);
    void xSwapInterval(Display* dpy, GLXDrawable drawable, int interval);

    bool EnsureInitialized();

    GLXPixmap CreatePixmap(gfxASurface* aSurface);
    void DestroyPixmap(Display* aDisplay, GLXPixmap aPixmap);
    void BindTexImage(Display* aDisplay, GLXPixmap aPixmap);
    void ReleaseTexImage(Display* aDisplay, GLXPixmap aPixmap);
    void UpdateTexImage(Display* aDisplay, GLXPixmap aPixmap);

    bool UseTextureFromPixmap() { return mUseTextureFromPixmap; }
    bool HasRobustness() { return mHasRobustness; }
    bool HasCreateContextAttribs() { return mHasCreateContextAttribs; }
    bool SupportsTextureFromPixmap(gfxASurface* aSurface);
    bool SupportsVideoSync();
    bool SupportsSwapControl() const { return bool(xSwapIntervalInternal); }
    bool IsATI() { return mIsATI; }
    bool IsMesa() { return mClientIsMesa; }
    bool GLXVersionCheck(int aMajor, int aMinor);

private:

    typedef void (GLAPIENTRY * PFNGLXDESTROYCONTEXTPROC) (Display*,
                                                          GLXContext);
    PFNGLXDESTROYCONTEXTPROC xDestroyContextInternal;
    typedef Bool (GLAPIENTRY * PFNGLXMAKECURRENTPROC) (Display*,
                                                       GLXDrawable,
                                                       GLXContext);
    PFNGLXMAKECURRENTPROC xMakeCurrentInternal;
    typedef GLXContext (GLAPIENTRY * PFNGLXGETCURRENTCONTEXT) ();
    PFNGLXGETCURRENTCONTEXT xGetCurrentContextInternal;
    typedef void* (GLAPIENTRY * PFNGLXGETPROCADDRESSPROC) (const char*);
    PFNGLXGETPROCADDRESSPROC xGetProcAddressInternal;
    typedef GLXFBConfig* (GLAPIENTRY * PFNGLXCHOOSEFBCONFIG) (Display*,
                                                              int,
                                                              const int*,
                                                              int*);
    PFNGLXCHOOSEFBCONFIG xChooseFBConfigInternal;
    typedef GLXFBConfig* (GLAPIENTRY * PFNGLXGETFBCONFIGS) (Display*,
                                                            int,
                                                            int*);
    PFNGLXGETFBCONFIGS xGetFBConfigsInternal;
    typedef GLXContext (GLAPIENTRY * PFNGLXCREATENEWCONTEXT) (Display*,
                                                              GLXFBConfig,
                                                              int,
                                                              GLXContext,
                                                              Bool);
    PFNGLXCREATENEWCONTEXT xCreateNewContextInternal;
    typedef int (GLAPIENTRY * PFNGLXGETFBCONFIGATTRIB) (Display*,
                                                        GLXFBConfig,
                                                        int,
                                                        int*);
    PFNGLXGETFBCONFIGATTRIB xGetFBConfigAttribInternal;

    typedef void (GLAPIENTRY * PFNGLXSWAPBUFFERS) (Display*,
                                                   GLXDrawable);
    PFNGLXSWAPBUFFERS xSwapBuffersInternal;
    typedef const char* (GLAPIENTRY * PFNGLXQUERYEXTENSIONSSTRING) (Display*,
                                                                    int);
    PFNGLXQUERYEXTENSIONSSTRING xQueryExtensionsStringInternal;
    typedef const char* (GLAPIENTRY * PFNGLXGETCLIENTSTRING) (Display*,
                                                              int);
    PFNGLXGETCLIENTSTRING xGetClientStringInternal;
    typedef const char* (GLAPIENTRY * PFNGLXQUERYSERVERSTRING) (Display*,
                                                                int,
                                                                int);
    PFNGLXQUERYSERVERSTRING xQueryServerStringInternal;

    typedef GLXPixmap (GLAPIENTRY * PFNGLXCREATEPIXMAP) (Display*,
                                                         GLXFBConfig,
                                                         Pixmap,
                                                         const int*);
    PFNGLXCREATEPIXMAP xCreatePixmapInternal;
    typedef GLXPixmap (GLAPIENTRY * PFNGLXCREATEGLXPIXMAPWITHCONFIG)
                                                        (Display*,
                                                         GLXFBConfig,
                                                         Pixmap);
    PFNGLXCREATEGLXPIXMAPWITHCONFIG xCreateGLXPixmapWithConfigInternal;
    typedef void (GLAPIENTRY * PFNGLXDESTROYPIXMAP) (Display*,
                                                     GLXPixmap);
    PFNGLXDESTROYPIXMAP xDestroyPixmapInternal;
    typedef Bool (GLAPIENTRY * PFNGLXQUERYVERSION) (Display*,
                                                    int*,
                                                    int*);
    PFNGLXQUERYVERSION xQueryVersionInternal;

    typedef void (GLAPIENTRY * PFNGLXBINDTEXIMAGE) (Display*,
                                                    GLXDrawable,
                                                    int,
                                                    const int*);
    PFNGLXBINDTEXIMAGE xBindTexImageInternal;

    typedef void (GLAPIENTRY * PFNGLXRELEASETEXIMAGE) (Display*,
                                                       GLXDrawable,
                                                       int);
    PFNGLXRELEASETEXIMAGE xReleaseTexImageInternal;

    typedef void (GLAPIENTRY * PFNGLXWAITGL) ();
    PFNGLXWAITGL xWaitGLInternal;

    typedef void (GLAPIENTRY * PFNGLXWAITX) ();
    PFNGLXWAITGL xWaitXInternal;

    typedef GLXContext (GLAPIENTRY * PFNGLXCREATECONTEXTATTRIBS) (Display*,
                                                                  GLXFBConfig,
                                                                  GLXContext,
                                                                  Bool,
                                                                  const int*);
    PFNGLXCREATECONTEXTATTRIBS xCreateContextAttribsInternal;

    typedef int (GLAPIENTRY * PFNGLXGETVIDEOSYNCSGI) (unsigned int* count);
    PFNGLXGETVIDEOSYNCSGI xGetVideoSyncInternal;

    typedef int (GLAPIENTRY * PFNGLXWAITVIDEOSYNCSGI) (int divisor, int remainder, unsigned int* count);
    PFNGLXWAITVIDEOSYNCSGI xWaitVideoSyncInternal;

    typedef void (GLAPIENTRY * PFNGLXSWAPINTERVALEXT) (Display* dpy, GLXDrawable drawable, int interval);
    PFNGLXSWAPINTERVALEXT xSwapIntervalInternal;

#ifdef DEBUG
    void BeforeGLXCall();
    void AfterGLXCall();
#endif

    bool mInitialized;
    bool mTriedInitializing;
    bool mUseTextureFromPixmap;
    bool mDebug;
    bool mHasRobustness;
    bool mHasCreateContextAttribs;
    bool mHasVideoSync;
    bool mIsATI;
    bool mIsNVIDIA;
    bool mClientIsMesa;
    int mGLXMajorVersion;
    int mGLXMinorVersion;
    PRLibrary* mOGLLibrary;
};

// a global GLXLibrary instance
extern GLXLibrary sGLXLibrary;

} /* namespace gl */
} /* namespace mozilla */
#endif /* GFX_GLXLIBRARY_H */