| 1 | /* $Id$ */
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| 2 |
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| 3 | /** @file
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| 4 | * VBox OpenGL DRI driver functions
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| 5 | */
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| 6 |
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| 7 | /*
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| 8 | * Copyright (C) 2009 Sun Microsystems, Inc.
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| 9 | *
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| 10 | * Sun Microsystems, Inc. confidential
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| 11 | * All rights reserved
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| 12 | */
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| 13 |
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| 14 | #define _GNU_SOURCE 1
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| 15 |
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| 16 | #include "cr_error.h"
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| 17 | #include "cr_gl.h"
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| 18 | #include "cr_mem.h"
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| 19 | #include "stub.h"
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| 20 | #include "fakedri_drv.h"
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| 21 | #include "dri_glx.h"
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| 22 | #include "iprt/mem.h"
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| 23 | #include "iprt/err.h"
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| 24 | #include <dlfcn.h>
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| 25 | #include <elf.h>
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| 26 | #include <unistd.h>
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| 27 | #include "xf86.h"
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| 28 |
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| 29 | #define VBOX_NO_MESA_PATCH_REPORTS
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| 30 |
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| 31 | //#define DEBUG_DRI_CALLS
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| 32 |
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| 33 | //@todo this could be different...
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| 34 | #ifdef RT_ARCH_AMD64
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| 35 | # define DRI_DEFAULT_DRIVER_DIR "/usr/lib64/dri:/usr/lib/dri"
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| 36 | # define DRI_XORG_DRV_DIR "/usr/lib/xorg/modules/drivers/"
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| 37 | #else
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| 38 | # define DRI_DEFAULT_DRIVER_DIR "/usr/lib/dri"
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| 39 | # define DRI_XORG_DRV_DIR "/usr/lib/xorg/modules/drivers/"
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| 40 | #endif
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| 41 |
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| 42 | #ifdef DEBUG_DRI_CALLS
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| 43 | #define SWDRI_SHOWNAME(pext, func) \
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| 44 | crDebug("SWDRI: sc %s->%s", #pext, #func)
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| 45 | #else
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| 46 | #define SWDRI_SHOWNAME(pext, func)
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| 47 | #endif
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| 48 |
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| 49 | #define SWDRI_SAFECALL(pext, func, ...) \
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| 50 | SWDRI_SHOWNAME(pext, func); \
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| 51 | if (pext && pext->func){ \
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| 52 | (*pext->func)(__VA_ARGS__); \
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| 53 | } else { \
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| 54 | crDebug("swcore_call NULL for "#func); \
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| 55 | }
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| 56 |
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| 57 | #define SWDRI_SAFERET(pext, func, ...) \
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| 58 | SWDRI_SHOWNAME(pext, func); \
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| 59 | if (pext && pext->func){ \
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| 60 | return (*pext->func)(__VA_ARGS__); \
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| 61 | } else { \
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| 62 | crDebug("swcore_call NULL for "#func); \
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| 63 | return 0; \
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| 64 | }
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| 65 |
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| 66 | #define SWDRI_SAFERET_CORE(func, ...) SWDRI_SAFERET(gpSwDriCoreExternsion, func, __VA_ARGS__)
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| 67 | #define SWDRI_SAFECALL_CORE(func, ...) SWDRI_SAFECALL(gpSwDriCoreExternsion, func, __VA_ARGS__)
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| 68 | #define SWDRI_SAFERET_SWRAST(func, ...) SWDRI_SAFERET(gpSwDriSwrastExtension, func, __VA_ARGS__)
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| 69 | #define SWDRI_SAFECALL_SWRAST(func, ...) SWDRI_SAFECALL(gpSwDriSwrastExtension, func, __VA_ARGS__)
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| 70 |
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| 71 | #ifndef PAGESIZE
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| 72 | #define PAGESIZE 4096
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| 73 | #endif
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| 74 |
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| 75 | static struct _glapi_table vbox_glapi_table;
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| 76 | fakedri_glxapi_table glxim;
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| 77 |
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| 78 | static const __DRIextension **gppSwDriExternsion = NULL;
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| 79 | static const __DRIcoreExtension *gpSwDriCoreExternsion = NULL;
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| 80 | static const __DRIswrastExtension *gpSwDriSwrastExtension = NULL;
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| 81 |
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| 82 | extern const __DRIextension * __driDriverExtensions[];
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| 83 |
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| 84 | #define GLAPI_ENTRY(Func) pGLTable->Func = cr_gl##Func;
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| 85 | static void
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| 86 | vboxFillMesaGLAPITable(struct _glapi_table *pGLTable)
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| 87 | {
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| 88 | #include "fakedri_glfuncsList.h"
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| 89 |
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| 90 | pGLTable->SampleMaskSGIS = cr_glSampleMaskEXT;
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| 91 | pGLTable->SamplePatternSGIS = cr_glSamplePatternEXT;
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| 92 | pGLTable->WindowPos2dMESA = cr_glWindowPos2d;
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| 93 | pGLTable->WindowPos2dvMESA = cr_glWindowPos2dv;
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| 94 | pGLTable->WindowPos2fMESA = cr_glWindowPos2f;
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| 95 | pGLTable->WindowPos2fvMESA = cr_glWindowPos2fv;
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| 96 | pGLTable->WindowPos2iMESA = cr_glWindowPos2i;
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| 97 | pGLTable->WindowPos2ivMESA = cr_glWindowPos2iv;
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| 98 | pGLTable->WindowPos2sMESA = cr_glWindowPos2s;
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| 99 | pGLTable->WindowPos2svMESA = cr_glWindowPos2sv;
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| 100 | pGLTable->WindowPos3dMESA = cr_glWindowPos3d;
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| 101 | pGLTable->WindowPos3dvMESA = cr_glWindowPos3dv;
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| 102 | pGLTable->WindowPos3fMESA = cr_glWindowPos3f;
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| 103 | pGLTable->WindowPos3fvMESA = cr_glWindowPos3fv;
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| 104 | pGLTable->WindowPos3iMESA = cr_glWindowPos3i;
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| 105 | pGLTable->WindowPos3ivMESA = cr_glWindowPos3iv;
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| 106 | pGLTable->WindowPos3sMESA = cr_glWindowPos3s;
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| 107 | pGLTable->WindowPos3svMESA = cr_glWindowPos3sv;
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| 108 | };
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| 109 | #undef GLAPI_ENTRY
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| 110 |
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| 111 | #define GLXAPI_ENTRY(Func) pGLXTable->Func = VBOXGLXTAG(glX##Func);
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| 112 | static void
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| 113 | vboxFillGLXAPITable(fakedri_glxapi_table *pGLXTable)
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| 114 | {
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| 115 | #include "fakedri_glxfuncsList.h"
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| 116 | }
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| 117 | #undef GLXAPI_ENTRY
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| 118 |
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| 119 | static void
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| 120 | vboxPatchMesaExport(const char* psFuncName, const void *pStart, const void *pEnd)
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| 121 | {
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| 122 | Dl_info dlip;
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| 123 | Elf32_Sym* sym=0;
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| 124 | int rv;
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| 125 | void *alPatch;
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| 126 | void *pMesaEntry;
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| 127 |
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| 128 | #ifndef VBOX_NO_MESA_PATCH_REPORTS
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| 129 | crDebug("vboxPatchMesaExport: %s", psFuncName);
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| 130 | #endif
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| 131 |
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| 132 | pMesaEntry = dlsym(RTLD_DEFAULT, psFuncName);
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| 133 |
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| 134 | if (!pMesaEntry)
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| 135 | {
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| 136 | crDebug("%s not defined in current scope, are we being loaded by mesa's libGL.so?", psFuncName);
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| 137 | return;
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| 138 | }
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| 139 |
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| 140 | rv = dladdr1(pMesaEntry, &dlip, (void**)&sym, RTLD_DL_SYMENT);
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| 141 | if (!rv || !sym)
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| 142 | {
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| 143 | crError("Failed to get size for %p(%s)", pMesaEntry, psFuncName);
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| 144 | return;
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| 145 | }
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| 146 |
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| 147 | #if VBOX_OGL_GLX_USE_CSTUBS
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| 148 | {
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| 149 | Dl_info dlip1;
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| 150 | Elf32_Sym* sym1=0;
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| 151 | int rv;
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| 152 |
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| 153 | rv = dladdr1(pStart, &dlip1, (void**)&sym1, RTLD_DL_SYMENT);
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| 154 | if (!rv || !sym)
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| 155 | {
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| 156 | crError("Failed to get size for %p", pStart);
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| 157 | return;
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| 158 | }
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| 159 |
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| 160 | pEnd = pStart + sym1->st_size;
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| 161 | crDebug("VBox Entry: %p, start: %p(%s:%s), size: %i", pStart, dlip1.dli_saddr, dlip1.dli_fname, dlip1.dli_sname, sym1->st_size);
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| 162 | }
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| 163 | #endif
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| 164 |
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| 165 | #ifndef VBOX_NO_MESA_PATCH_REPORTS
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| 166 | crDebug("Mesa Entry: %p, start: %p(%s:%s), size: %i", pMesaEntry, dlip.dli_saddr, dlip.dli_fname, dlip.dli_sname, sym->st_size);
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| 167 | crDebug("Vbox code: start: %p, end %p, size: %i", pStart, pEnd, pEnd-pStart);
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| 168 | #endif
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| 169 |
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| 170 | if (sym->st_size<(pEnd-pStart))
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| 171 | {
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| 172 | crDebug("Can't patch size too small.(%s)", psFuncName);
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| 173 | return;
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| 174 | }
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| 175 |
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| 176 | /* Get aligned start adress we're going to patch*/
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| 177 | alPatch = (void*) ((uintptr_t)dlip.dli_saddr & ~(uintptr_t)(PAGESIZE-1));
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| 178 |
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| 179 | #ifndef VBOX_NO_MESA_PATCH_REPORTS
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| 180 | crDebug("MProtecting: %p, %i", alPatch, dlip.dli_saddr-alPatch+pEnd-pStart);
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| 181 | #endif
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| 182 |
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| 183 | /* Get write access to mesa functions */
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| 184 | rv = RTMemProtect(alPatch, dlip.dli_saddr-alPatch+pEnd-pStart,
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| 185 | RTMEM_PROT_READ|RTMEM_PROT_WRITE|RTMEM_PROT_EXEC);
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| 186 | if (RT_FAILURE(rv))
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| 187 | {
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| 188 | crError("mprotect failed with %x (%s)", rv, psFuncName);
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| 189 | }
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| 190 |
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| 191 | #ifndef VBOX_NO_MESA_PATCH_REPORTS
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| 192 | crDebug("Writing %i bytes to %p from %p", pEnd-pStart, dlip.dli_saddr, pStart);
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| 193 | #endif
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| 194 |
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| 195 | crMemcpy(dlip.dli_saddr, pStart, pEnd-pStart);
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| 196 |
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| 197 | /*@todo Restore the protection, probably have to check what was it before us...*/
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| 198 | rv = RTMemProtect(alPatch, dlip.dli_saddr-alPatch+pEnd-pStart,
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| 199 | RTMEM_PROT_READ|RTMEM_PROT_EXEC);
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| 200 | if (RT_FAILURE(rv))
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| 201 | {
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| 202 | crError("mprotect2 failed with %x (%s)", rv, psFuncName);
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| 203 | }
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| 204 | }
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| 205 |
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| 206 | #ifdef VBOX_OGL_GLX_USE_CSTUBS
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| 207 | static void
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| 208 | # define GLXAPI_ENTRY(Func) vboxPatchMesaExport("glX"#Func, &vbox_glX##Func, NULL);
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| 209 | vboxPatchMesaExports()
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| 210 | #else
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| 211 | static void
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| 212 | # define GLXAPI_ENTRY(Func) vboxPatchMesaExport("glX"#Func, &vbox_glX##Func, &vbox_glX##Func##_EndProc);
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| 213 | vboxPatchMesaExports()
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| 214 | #endif
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| 215 | {
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| 216 | crDebug("Patching mesa glx entries");
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| 217 | #include "fakedri_glxfuncsList.h"
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| 218 | }
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| 219 | #undef GLXAPI_ENTRY
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| 220 |
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| 221 | bool vbox_load_sw_dri()
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| 222 | {
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| 223 | const char *libPaths, *p, *next;;
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| 224 | char realDriverName[200];
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| 225 | void *handle;
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| 226 | int len, i;
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| 227 |
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| 228 | /*code from Mesa-7.2/src/glx/x11/dri_common.c:driOpenDriver*/
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| 229 |
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| 230 | libPaths = NULL;
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| 231 | if (geteuid() == getuid()) {
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| 232 | /* don't allow setuid apps to use LIBGL_DRIVERS_PATH */
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| 233 | libPaths = getenv("LIBGL_DRIVERS_PATH");
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| 234 | if (!libPaths)
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| 235 | libPaths = getenv("LIBGL_DRIVERS_DIR"); /* deprecated */
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| 236 | }
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| 237 | if (libPaths == NULL)
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| 238 | libPaths = DRI_DEFAULT_DRIVER_DIR;
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| 239 |
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| 240 | handle = NULL;
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| 241 | for (p = libPaths; *p; p = next)
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| 242 | {
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| 243 | next = strchr(p, ':');
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| 244 | if (next == NULL)
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| 245 | {
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| 246 | len = strlen(p);
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| 247 | next = p + len;
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| 248 | }
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| 249 | else
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| 250 | {
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| 251 | len = next - p;
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| 252 | next++;
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| 253 | }
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| 254 |
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| 255 | snprintf(realDriverName, sizeof realDriverName, "%.*s/%s_dri.so", len, p, "swrast");
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| 256 | crDebug("trying %s", realDriverName);
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| 257 | handle = dlopen(realDriverName, RTLD_NOW | RTLD_LOCAL);
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| 258 | if (handle) break;
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| 259 | }
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| 260 |
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| 261 | /*end code*/
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| 262 |
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| 263 | if (handle) gppSwDriExternsion = dlsym(handle, "__driDriverExtensions");
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| 264 |
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| 265 | if (!gppSwDriExternsion)
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| 266 | {
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| 267 | crDebug("%s doesn't export __driDriverExtensions", realDriverName);
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| 268 | return false;
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| 269 | }
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| 270 | crDebug("loaded %s", realDriverName);
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| 271 |
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| 272 | for (i = 0; gppSwDriExternsion[i]; i++)
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| 273 | {
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| 274 | if (strcmp(gppSwDriExternsion[i]->name, __DRI_CORE) == 0)
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| 275 | gpSwDriCoreExternsion = (__DRIcoreExtension *) gppSwDriExternsion[i];
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| 276 | if (strcmp(gppSwDriExternsion[i]->name, __DRI_SWRAST) == 0)
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| 277 | gpSwDriSwrastExtension = (__DRIswrastExtension *) gppSwDriExternsion[i];
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| 278 | }
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| 279 |
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| 280 | return gpSwDriCoreExternsion && gpSwDriSwrastExtension;
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| 281 | }
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| 282 |
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| 283 | void __attribute__ ((constructor)) vbox_install_into_mesa(void)
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| 284 | {
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| 285 | if (!stubInit())
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| 286 | {
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| 287 | crDebug("vboxdriInitScreen: stubInit failed");
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| 288 | return;
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| 289 | }
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| 290 |
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| 291 | {
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| 292 | void (*pxf86Msg)(MessageType type, const char *format, ...) _printf_attribute(2,3);
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| 293 |
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| 294 | pxf86Msg = dlsym(RTLD_DEFAULT, "xf86Msg");
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| 295 | if (pxf86Msg)
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| 296 | {
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| 297 | pxf86Msg(X_INFO, "Next line is added to allow vboxvideo_drv.so to appear as whitelisted driver\n");
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| 298 | pxf86Msg(X_INFO, "The file referenced, is *NOT* loaded\n");
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| 299 | pxf86Msg(X_INFO, "Loading %s/ati_drv.so\n", DRI_XORG_DRV_DIR);
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| 300 |
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| 301 | /* we're failing to proxy software dri driver calls for certain xservers, so just make sure we're unloaded for now */
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| 302 | __driDriverExtensions[0] = NULL;
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| 303 | return;
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| 304 | }
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| 305 | }
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| 306 |
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| 307 | /* Load swrast_dri.so to proxy dri related calls there. */
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| 308 | if (!vbox_load_sw_dri())
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| 309 | {
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| 310 | crDebug("vboxdriInitScreen: vbox_load_sw_dri failed...going to fail badly");
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| 311 | return;
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| 312 | }
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| 313 |
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| 314 | /* Handle gl api.
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| 315 | * In the end application call would look like this:
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| 316 | * app call glFoo->(mesa asm dispatch stub)->cr_glFoo(vbox asm dispatch stub)->SPU Foo function(packspuFoo or alike)
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| 317 | * Note, we don't need to install extension functions via _glapi_add_dispatch, because we'd override glXGetProcAddress.
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| 318 | */
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| 319 | /* We don't support all mesa's functions. Initialize our table to mesa dispatch first*/
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| 320 | crMemcpy(&vbox_glapi_table, _glapi_get_dispatch(), sizeof(struct _glapi_table));
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| 321 | /* Now install our assembly dispatch entries into table */
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| 322 | vboxFillMesaGLAPITable(&vbox_glapi_table);
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| 323 | /* Install our dispatch table into mesa */
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| 324 | _glapi_set_dispatch(&vbox_glapi_table);
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| 325 |
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| 326 | /* Handle glx api.
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| 327 | * In the end application call would look like this:
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| 328 | * app call glxFoo->(mesa asm dispatch stub patched with vbox_glXFoo:jmp glxim[Foo's index])->VBOXGLXTAG(glxFoo)
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| 329 | */
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| 330 | /* Fill structure used by our assembly stubs */
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| 331 | vboxFillGLXAPITable(&glxim);
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| 332 | /* Now patch functions exported by libGL.so */
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| 333 | vboxPatchMesaExports();
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| 334 | }
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| 335 |
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| 336 | /*
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| 337 | * @todo we're missing first glx related call from the client application.
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| 338 | * Luckily, this doesn't add much problems, except for some cases.
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| 339 | */
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| 340 |
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| 341 | /* __DRIcoreExtension */
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| 342 |
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| 343 | static __DRIscreen *
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| 344 | vboxdriCreateNewScreen(int screen, int fd, unsigned int sarea_handle,
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| 345 | const __DRIextension **extensions, const __DRIconfig ***driverConfigs,
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| 346 | void *loaderPrivate)
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| 347 | {
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| 348 | (void) fd;
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| 349 | (void) sarea_handle;
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| 350 | SWDRI_SAFERET_SWRAST(createNewScreen, screen, extensions, driverConfigs, loaderPrivate);
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| 351 | }
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| 352 |
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| 353 | static void
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| 354 | vboxdriDestroyScreen(__DRIscreen *screen)
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| 355 | {
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| 356 | SWDRI_SAFECALL_CORE(destroyScreen, screen);
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| 357 | }
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| 358 |
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| 359 | static const __DRIextension **
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| 360 | vboxdriGetExtensions(__DRIscreen *screen)
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| 361 | {
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| 362 | SWDRI_SAFERET_CORE(getExtensions, screen);
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| 363 | }
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| 364 |
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| 365 | static int
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| 366 | vboxdriGetConfigAttrib(const __DRIconfig *config,
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| 367 | unsigned int attrib,
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| 368 | unsigned int *value)
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| 369 | {
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| 370 | SWDRI_SAFERET_CORE(getConfigAttrib, config, attrib, value);
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| 371 | }
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| 372 |
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| 373 | static int
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| 374 | vboxdriIndexConfigAttrib(const __DRIconfig *config, int index,
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| 375 | unsigned int *attrib, unsigned int *value)
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| 376 | {
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| 377 | SWDRI_SAFERET_CORE(indexConfigAttrib, config, index, attrib, value);
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| 378 | }
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| 379 |
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| 380 | static __DRIdrawable *
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| 381 | vboxdriCreateNewDrawable(__DRIscreen *screen,
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| 382 | const __DRIconfig *config,
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| 383 | unsigned int drawable_id,
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| 384 | unsigned int head,
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| 385 | void *loaderPrivate)
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| 386 | {
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| 387 | (void) drawable_id;
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| 388 | (void) head;
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| 389 | SWDRI_SAFERET_SWRAST(createNewDrawable, screen, config, loaderPrivate);
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| 390 | }
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| 391 |
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| 392 | static void
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| 393 | vboxdriDestroyDrawable(__DRIdrawable *drawable)
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| 394 | {
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| 395 | SWDRI_SAFECALL_CORE(destroyDrawable, drawable);
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| 396 | }
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| 397 |
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| 398 | static void
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| 399 | vboxdriSwapBuffers(__DRIdrawable *drawable)
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| 400 | {
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| 401 | SWDRI_SAFECALL_CORE(swapBuffers, drawable);
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| 402 | }
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| 403 |
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| 404 | static __DRIcontext *
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| 405 | vboxdriCreateNewContext(__DRIscreen *screen,
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| 406 | const __DRIconfig *config,
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| 407 | __DRIcontext *shared,
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| 408 | void *loaderPrivate)
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| 409 | {
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| 410 | SWDRI_SAFERET_CORE(createNewContext, screen, config, shared, loaderPrivate);
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| 411 | }
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| 412 |
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| 413 | static int
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| 414 | vboxdriCopyContext(__DRIcontext *dest,
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| 415 | __DRIcontext *src,
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| 416 | unsigned long mask)
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| 417 | {
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| 418 | SWDRI_SAFERET_CORE(copyContext, dest, src, mask);
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| 419 | }
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| 420 |
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| 421 | static void
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| 422 | vboxdriDestroyContext(__DRIcontext *context)
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| 423 | {
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| 424 | SWDRI_SAFECALL_CORE(destroyContext, context);
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| 425 | }
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| 426 |
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| 427 | static int
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| 428 | vboxdriBindContext(__DRIcontext *ctx,
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| 429 | __DRIdrawable *pdraw,
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| 430 | __DRIdrawable *pread)
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| 431 | {
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| 432 | SWDRI_SAFERET_CORE(bindContext, ctx, pdraw, pread);
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| 433 | }
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| 434 |
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| 435 | static int
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| 436 | vboxdriUnbindContext(__DRIcontext *ctx)
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| 437 | {
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| 438 | SWDRI_SAFERET_CORE(unbindContext, ctx)
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| 439 | }
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| 440 |
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| 441 | /* __DRIlegacyExtension */
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| 442 |
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| 443 | static __DRIscreen *
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| 444 | vboxdriCreateNewScreen_Legacy(int scrn,
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| 445 | const __DRIversion *ddx_version,
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| 446 | const __DRIversion *dri_version,
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| 447 | const __DRIversion *drm_version,
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| 448 | const __DRIframebuffer *frame_buffer,
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| 449 | drmAddress pSAREA, int fd,
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|---|
| 450 | const __DRIextension **extensions,
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| 451 | const __DRIconfig ***driver_modes,
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|---|
| 452 | void *loaderPrivate)
|
|---|
| 453 | {
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|---|
| 454 | (void) ddx_version;
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|---|
| 455 | (void) dri_version;
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|---|
| 456 | (void) frame_buffer;
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|---|
| 457 | (void) pSAREA;
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|---|
| 458 | (void) fd;
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|---|
| 459 | SWDRI_SAFERET_SWRAST(createNewScreen, scrn, extensions, driver_modes, loaderPrivate);
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| 460 | }
|
|---|
| 461 |
|
|---|
| 462 | static __DRIdrawable *
|
|---|
| 463 | vboxdriCreateNewDrawable_Legacy(__DRIscreen *psp, const __DRIconfig *config,
|
|---|
| 464 | drm_drawable_t hwDrawable, int renderType,
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|---|
| 465 | const int *attrs, void *data)
|
|---|
| 466 | {
|
|---|
| 467 | (void) hwDrawable;
|
|---|
| 468 | (void) renderType;
|
|---|
| 469 | (void) attrs;
|
|---|
| 470 | (void) data;
|
|---|
| 471 | SWDRI_SAFERET_SWRAST(createNewDrawable, psp, config, data);
|
|---|
| 472 | }
|
|---|
| 473 |
|
|---|
| 474 | static __DRIcontext *
|
|---|
| 475 | vboxdriCreateNewContext_Legacy(__DRIscreen *psp, const __DRIconfig *config,
|
|---|
| 476 | int render_type, __DRIcontext *shared,
|
|---|
| 477 | drm_context_t hwContext, void *data)
|
|---|
| 478 | {
|
|---|
| 479 | (void) render_type;
|
|---|
| 480 | (void) hwContext;
|
|---|
| 481 | return vboxdriCreateNewContext(psp, config, shared, data);
|
|---|
| 482 | }
|
|---|
| 483 |
|
|---|
| 484 |
|
|---|
| 485 | static const __DRIlegacyExtension vboxdriLegacyExtension = {
|
|---|
| 486 | { __DRI_LEGACY, __DRI_LEGACY_VERSION },
|
|---|
| 487 | vboxdriCreateNewScreen_Legacy,
|
|---|
| 488 | vboxdriCreateNewDrawable_Legacy,
|
|---|
| 489 | vboxdriCreateNewContext_Legacy
|
|---|
| 490 | };
|
|---|
| 491 |
|
|---|
| 492 | static const __DRIcoreExtension vboxdriCoreExtension = {
|
|---|
| 493 | { __DRI_CORE, __DRI_CORE_VERSION },
|
|---|
| 494 | vboxdriCreateNewScreen, /* driCreateNewScreen */
|
|---|
| 495 | vboxdriDestroyScreen,
|
|---|
| 496 | vboxdriGetExtensions,
|
|---|
| 497 | vboxdriGetConfigAttrib,
|
|---|
| 498 | vboxdriIndexConfigAttrib,
|
|---|
| 499 | vboxdriCreateNewDrawable, /* driCreateNewDrawable */
|
|---|
| 500 | vboxdriDestroyDrawable,
|
|---|
| 501 | vboxdriSwapBuffers,
|
|---|
| 502 | vboxdriCreateNewContext,
|
|---|
| 503 | vboxdriCopyContext,
|
|---|
| 504 | vboxdriDestroyContext,
|
|---|
| 505 | vboxdriBindContext,
|
|---|
| 506 | vboxdriUnbindContext
|
|---|
| 507 | };
|
|---|
| 508 |
|
|---|
| 509 | /* This structure is used by dri_util from mesa, don't rename it! */
|
|---|
| 510 | DECLEXPORT(const __DRIextension *) __driDriverExtensions[] = {
|
|---|
| 511 | &vboxdriLegacyExtension.base,
|
|---|
| 512 | &vboxdriCoreExtension.base,
|
|---|
| 513 | NULL
|
|---|
| 514 | };
|
|---|
