DXR is a code search and navigation tool aimed at making sense of large projects. It supports full-text and regex searches as well as structural queries.

Mercurial (5b81998bb7ab)

VCS Links

Line Code
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
/* -*- 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 "GLContext.h"
typedef realGLboolean GLboolean;
#include <GL/glx.h>

namespace mozilla {
namespace gl {

class GLXLibrary
{
public:
    GLXLibrary() : mInitialized(false), mTriedInitializing(false),
                   mUseTextureFromPixmap(false), mDebug(false),
                   mHasRobustness(false), mIsATI(false),
                   mClientIsMesa(false), mGLXMajorVersion(0),
                   mGLXMinorVersion(0), mLibType(OPENGL_LIB),
                   mOGLLibrary(nullptr) {}

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

    enum LibraryType
    {
      OPENGL_LIB = 0,
      MESA_LLVMPIPE_LIB = 1,
      LIBS_MAX
    };

    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);

    bool EnsureInitialized(bool aUseMesaLLVMPipe);

    GLXPixmap CreatePixmap(gfxASurface* aSurface);
    void DestroyPixmap(GLXPixmap aPixmap);
    void BindTexImage(GLXPixmap aPixmap);
    void ReleaseTexImage(GLXPixmap aPixmap);

    bool UseTextureFromPixmap() { return mUseTextureFromPixmap; }
    bool HasRobustness() { return mHasRobustness; }
    bool SupportsTextureFromPixmap(gfxASurface* aSurface);
    bool IsATI() { return mIsATI; }
    bool GLXVersionCheck(int aMajor, int aMinor);
    static LibraryType SelectLibrary(const GLContext::ContextFlags& aFlags);

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;

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

    bool mInitialized;
    bool mTriedInitializing;
    bool mUseTextureFromPixmap;
    bool mDebug;
    bool mHasRobustness;
    bool mIsATI;
    bool mClientIsMesa;
    int mGLXMajorVersion;
    int mGLXMinorVersion;
    LibraryType mLibType;
    PRLibrary *mOGLLibrary;
};

// a global GLXLibrary instance
extern GLXLibrary sGLXLibrary[GLXLibrary::LIBS_MAX];
extern GLXLibrary& sDefGLXLib;

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