egl: drop unused _EGLDriver from WaitClient()

[mesa.git] / src / egl / main / eglapi.c

diff --git a/src/egl/main/eglapi.c b/src/egl/main/eglapi.c
index 0cd17cebf0333aac5ef7f943204316ce1ba3d6fa..8319b2bc5602a2cd0de162641f986f2bb79f5f6b 100644 (file)
--- a/src/egl/main/eglapi.c
+++ b/src/egl/main/eglapi.c
@@ -96,7 +96,6 @@
 #include "c11/threads.h"
 #include "util/macros.h"
 
-#include "eglapi.h"
 #include "egldefines.h"
 #include "eglglobals.h"
 #include "eglcontext.h"
@@ -172,7 +171,7 @@ struct _egl_entrypoint {
 };
 
 
-static inline _EGLDriver *
+static inline const _EGLDriver *
 _eglCheckDisplay(_EGLDisplay *disp, const char *msg)
 {
    if (!disp) {
@@ -187,10 +186,10 @@ _eglCheckDisplay(_EGLDisplay *disp, const char *msg)
 }
 
 
-static inline _EGLDriver *
+static inline const _EGLDriver *
 _eglCheckSurface(_EGLDisplay *disp, _EGLSurface *surf, const char *msg)
 {
-   _EGLDriver *drv = _eglCheckDisplay(disp, msg);
+   const _EGLDriver *drv = _eglCheckDisplay(disp, msg);
    if (!drv)
       return NULL;
    if (!surf) {
@@ -201,10 +200,10 @@ _eglCheckSurface(_EGLDisplay *disp, _EGLSurface *surf, const char *msg)
 }
 
 
-static inline _EGLDriver *
+static inline const _EGLDriver *
 _eglCheckContext(_EGLDisplay *disp, _EGLContext *context, const char *msg)
 {
-   _EGLDriver *drv = _eglCheckDisplay(disp, msg);
+   const _EGLDriver *drv = _eglCheckDisplay(disp, msg);
    if (!drv)
       return NULL;
    if (!context) {
@@ -215,10 +214,10 @@ _eglCheckContext(_EGLDisplay *disp, _EGLContext *context, const char *msg)
 }
 
 
-static inline _EGLDriver *
+static inline const _EGLDriver *
 _eglCheckConfig(_EGLDisplay *disp, _EGLConfig *conf, const char *msg)
 {
-   _EGLDriver *drv = _eglCheckDisplay(disp, msg);
+   const _EGLDriver *drv = _eglCheckDisplay(disp, msg);
    if (!drv)
       return NULL;
    if (!conf) {
@@ -229,10 +228,10 @@ _eglCheckConfig(_EGLDisplay *disp, _EGLConfig *conf, const char *msg)
 }
 
 
-static inline _EGLDriver *
+static inline const _EGLDriver *
 _eglCheckSync(_EGLDisplay *disp, _EGLSync *s, const char *msg)
 {
-   _EGLDriver *drv = _eglCheckDisplay(disp, msg);
+   const _EGLDriver *drv = _eglCheckDisplay(disp, msg);
    if (!drv)
       return NULL;
    if (!s) {
@@ -401,11 +400,9 @@ _eglGetPlatformDisplayCommon(EGLenum platform, void *native_display,
                                   attrib_list);
       break;
 #endif
-#ifdef HAVE_SURFACELESS_PLATFORM
    case EGL_PLATFORM_SURFACELESS_MESA:
       disp = _eglGetSurfacelessDisplay(native_display, attrib_list);
       break;
-#endif
 #ifdef HAVE_ANDROID_PLATFORM
    case EGL_PLATFORM_ANDROID_KHR:
       disp = _eglGetAndroidDisplay(native_display, attrib_list);
@@ -597,6 +594,11 @@ _eglComputeVersion(_EGLDisplay *disp)
        disp->Extensions.KHR_gl_colorspace &&
        disp->Extensions.KHR_surfaceless_context)
       disp->Version = 15;
+
+   /* For Android P and below limit the EGL version to 1.4 */
+#if defined(ANDROID) && ANDROID_API_LEVEL <= 28
+   disp->Version = 14;
+#endif
 }
 
 /**
@@ -614,7 +616,7 @@ eglInitialize(EGLDisplay dpy, EGLint *major, EGLint *minor)
       RETURN_EGL_ERROR(NULL, EGL_BAD_DISPLAY, EGL_FALSE);
 
    if (!disp->Initialized) {
-      if (!_eglMatchDriver(disp))
+      if (!_eglInitializeDisplay(disp))
          RETURN_EGL_ERROR(disp, EGL_NOT_INITIALIZED, EGL_FALSE);
 
       /* limit to APIs supported by core */
@@ -670,9 +672,7 @@ eglTerminate(EGLDisplay dpy)
       RETURN_EGL_ERROR(NULL, EGL_BAD_DISPLAY, EGL_FALSE);
 
    if (disp->Initialized) {
-      _EGLDriver *drv = disp->Driver;
-
-      drv->API.Terminate(drv, disp);
+      disp->Driver->Terminate(disp);
       /* do not reset disp->Driver */
       disp->ClientAPIsString[0] = 0;
       disp->Initialized = EGL_FALSE;
@@ -690,15 +690,13 @@ const char * EGLAPIENTRY
 eglQueryString(EGLDisplay dpy, EGLint name)
 {
    _EGLDisplay *disp;
-   _EGLDriver *drv;
+   const _EGLDriver *drv;
 
+#if !USE_LIBGLVND
    if (dpy == EGL_NO_DISPLAY && name == EGL_EXTENSIONS) {
-      const char *ret = _eglGetClientExtensionString();
-      if (ret != NULL)
-         RETURN_EGL_SUCCESS(NULL, ret);
-      else
-         RETURN_EGL_ERROR(NULL, EGL_BAD_ALLOC, NULL);
+      RETURN_EGL_SUCCESS(NULL, _eglGlobal.ClientExtensionString);
    }
+#endif
 
    disp = _eglLockDisplay(dpy);
    _EGL_FUNC_START(disp, EGL_OBJECT_DISPLAY_KHR, NULL, NULL);
@@ -724,7 +722,7 @@ eglGetConfigs(EGLDisplay dpy, EGLConfig *configs,
               EGLint config_size, EGLint *num_config)
 {
    _EGLDisplay *disp = _eglLockDisplay(dpy);
-   _EGLDriver *drv;
+   const _EGLDriver *drv;
    EGLBoolean ret;
 
    _EGL_FUNC_START(disp, EGL_OBJECT_DISPLAY_KHR, NULL, EGL_FALSE);
@@ -745,7 +743,7 @@ eglChooseConfig(EGLDisplay dpy, const EGLint *attrib_list, EGLConfig *configs,
                 EGLint config_size, EGLint *num_config)
 {
    _EGLDisplay *disp = _eglLockDisplay(dpy);
-   _EGLDriver *drv;
+   const _EGLDriver *drv;
    EGLBoolean ret;
 
    _EGL_FUNC_START(disp, EGL_OBJECT_DISPLAY_KHR, NULL, EGL_FALSE);
@@ -768,7 +766,7 @@ eglGetConfigAttrib(EGLDisplay dpy, EGLConfig config,
 {
    _EGLDisplay *disp = _eglLockDisplay(dpy);
    _EGLConfig *conf = _eglLookupConfig(config, disp);
-   _EGLDriver *drv;
+   const _EGLDriver *drv;
    EGLBoolean ret;
 
    _EGL_FUNC_START(disp, EGL_OBJECT_DISPLAY_KHR, NULL, EGL_FALSE);
@@ -788,7 +786,7 @@ eglCreateContext(EGLDisplay dpy, EGLConfig config, EGLContext share_list,
    _EGLDisplay *disp = _eglLockDisplay(dpy);
    _EGLConfig *conf = _eglLookupConfig(config, disp);
    _EGLContext *share = _eglLookupContext(share_list, disp);
-   _EGLDriver *drv;
+   const _EGLDriver *drv;
    _EGLContext *context;
    EGLContext ret;
 
@@ -804,7 +802,7 @@ eglCreateContext(EGLDisplay dpy, EGLConfig config, EGLContext share_list,
    if (!share && share_list != EGL_NO_CONTEXT)
       RETURN_EGL_ERROR(disp, EGL_BAD_CONTEXT, EGL_NO_CONTEXT);
 
-   context = drv->API.CreateContext(drv, disp, conf, share, attrib_list);
+   context = drv->CreateContext(disp, conf, share, attrib_list);
    ret = (context) ? _eglLinkContext(context) : EGL_NO_CONTEXT;
 
    RETURN_EGL_EVAL(disp, ret);
@@ -816,14 +814,14 @@ eglDestroyContext(EGLDisplay dpy, EGLContext ctx)
 {
    _EGLDisplay *disp = _eglLockDisplay(dpy);
    _EGLContext *context = _eglLookupContext(ctx, disp);
-   _EGLDriver *drv;
+   const _EGLDriver *drv;
    EGLBoolean ret;
 
    _EGL_FUNC_START(disp, EGL_OBJECT_CONTEXT_KHR, context, EGL_FALSE);
 
    _EGL_CHECK_CONTEXT(disp, context, EGL_FALSE, drv);
    _eglUnlinkContext(context);
-   ret = drv->API.DestroyContext(drv, disp, context);
+   ret = drv->DestroyContext(disp, context);
 
    RETURN_EGL_EVAL(disp, ret);
 }
@@ -837,7 +835,7 @@ eglMakeCurrent(EGLDisplay dpy, EGLSurface draw, EGLSurface read,
    _EGLContext *context = _eglLookupContext(ctx, disp);
    _EGLSurface *draw_surf = _eglLookupSurface(draw, disp);
    _EGLSurface *read_surf = _eglLookupSurface(read, disp);
-   _EGLDriver *drv;
+   const _EGLDriver *drv;
    EGLBoolean ret;
 
    _EGL_FUNC_START(disp, EGL_OBJECT_CONTEXT_KHR, context, EGL_FALSE);
@@ -881,7 +879,7 @@ eglMakeCurrent(EGLDisplay dpy, EGLSurface draw, EGLSurface read,
    if (read_surf && read_surf->Lost)
       RETURN_EGL_ERROR(disp, EGL_BAD_NATIVE_WINDOW, EGL_FALSE);
 
-   ret = drv->API.MakeCurrent(drv, disp, draw_surf, read_surf, context);
+   ret = drv->MakeCurrent(disp, draw_surf, read_surf, context);
 
    RETURN_EGL_EVAL(disp, ret);
 }
@@ -893,7 +891,7 @@ eglQueryContext(EGLDisplay dpy, EGLContext ctx,
 {
    _EGLDisplay *disp = _eglLockDisplay(dpy);
    _EGLContext *context = _eglLookupContext(ctx, disp);
-   _EGLDriver *drv;
+   const _EGLDriver *drv;
    EGLBoolean ret;
 
    _EGL_FUNC_START(disp, EGL_OBJECT_CONTEXT_KHR, context, EGL_FALSE);
@@ -937,7 +935,7 @@ _eglCreateWindowSurfaceCommon(_EGLDisplay *disp, EGLConfig config,
                               void *native_window, const EGLint *attrib_list)
 {
    _EGLConfig *conf = _eglLookupConfig(config, disp);
-   _EGLDriver *drv;
+   const _EGLDriver *drv;
    _EGLSurface *surf;
    EGLSurface ret;
 
@@ -970,8 +968,7 @@ _eglCreateWindowSurfaceCommon(_EGLDisplay *disp, EGLConfig config,
    if (_eglNativeSurfaceAlreadyUsed(disp, native_window))
       RETURN_EGL_ERROR(disp, EGL_BAD_ALLOC, EGL_NO_SURFACE);
 
-   surf = drv->API.CreateWindowSurface(drv, disp, conf, native_window,
-                                       attrib_list);
+   surf = drv->CreateWindowSurface(disp, conf, native_window, attrib_list);
    ret = (surf) ? _eglLinkSurface(surf) : EGL_NO_SURFACE;
 
    RETURN_EGL_EVAL(disp, ret);
@@ -1067,7 +1064,7 @@ _eglCreatePixmapSurfaceCommon(_EGLDisplay *disp, EGLConfig config,
                               void *native_pixmap, const EGLint *attrib_list)
 {
    _EGLConfig *conf = _eglLookupConfig(config, disp);
-   _EGLDriver *drv;
+   const _EGLDriver *drv;
    _EGLSurface *surf;
    EGLSurface ret;
 
@@ -1097,8 +1094,7 @@ _eglCreatePixmapSurfaceCommon(_EGLDisplay *disp, EGLConfig config,
    if (_eglNativeSurfaceAlreadyUsed(disp, native_pixmap))
       RETURN_EGL_ERROR(disp, EGL_BAD_ALLOC, EGL_NO_SURFACE);
 
-   surf = drv->API.CreatePixmapSurface(drv, disp, conf, native_pixmap,
-                                       attrib_list);
+   surf = drv->CreatePixmapSurface(disp, conf, native_pixmap, attrib_list);
    ret = (surf) ? _eglLinkSurface(surf) : EGL_NO_SURFACE;
 
    RETURN_EGL_EVAL(disp, ret);
@@ -1160,7 +1156,7 @@ eglCreatePbufferSurface(EGLDisplay dpy, EGLConfig config,
 {
    _EGLDisplay *disp = _eglLockDisplay(dpy);
    _EGLConfig *conf = _eglLookupConfig(config, disp);
-   _EGLDriver *drv;
+   const _EGLDriver *drv;
    _EGLSurface *surf;
    EGLSurface ret;
 
@@ -1170,7 +1166,7 @@ eglCreatePbufferSurface(EGLDisplay dpy, EGLConfig config,
    if ((conf->SurfaceType & EGL_PBUFFER_BIT) == 0)
       RETURN_EGL_ERROR(disp, EGL_BAD_MATCH, EGL_NO_SURFACE);
 
-   surf = drv->API.CreatePbufferSurface(drv, disp, conf, attrib_list);
+   surf = drv->CreatePbufferSurface(disp, conf, attrib_list);
    ret = (surf) ? _eglLinkSurface(surf) : EGL_NO_SURFACE;
 
    RETURN_EGL_EVAL(disp, ret);
@@ -1182,13 +1178,13 @@ eglDestroySurface(EGLDisplay dpy, EGLSurface surface)
 {
    _EGLDisplay *disp = _eglLockDisplay(dpy);
    _EGLSurface *surf = _eglLookupSurface(surface, disp);
-   _EGLDriver *drv;
+   const _EGLDriver *drv;
    EGLBoolean ret;
 
    _EGL_FUNC_START(disp, EGL_OBJECT_SURFACE_KHR, surf, EGL_FALSE);
    _EGL_CHECK_SURFACE(disp, surf, EGL_FALSE, drv);
    _eglUnlinkSurface(surf);
-   ret = drv->API.DestroySurface(drv, disp, surf);
+   ret = drv->DestroySurface(disp, surf);
 
    RETURN_EGL_EVAL(disp, ret);
 }
@@ -1199,16 +1195,16 @@ eglQuerySurface(EGLDisplay dpy, EGLSurface surface,
 {
    _EGLDisplay *disp = _eglLockDisplay(dpy);
    _EGLSurface *surf = _eglLookupSurface(surface, disp);
-   _EGLDriver *drv;
+   const _EGLDriver *drv;
    EGLBoolean ret;
 
    _EGL_FUNC_START(disp, EGL_OBJECT_SURFACE_KHR, surf, EGL_FALSE);
    _EGL_CHECK_SURFACE(disp, surf, EGL_FALSE, drv);
 
-   if (drv->API.QuerySurface)
-      ret = drv->API.QuerySurface(drv, disp, surf, attribute, value);
+   if (drv->QuerySurface)
+      ret = drv->QuerySurface(disp, surf, attribute, value);
    else
-      ret = _eglQuerySurface(drv, disp, surf, attribute, value);
+      ret = _eglQuerySurface(disp, surf, attribute, value);
 
    RETURN_EGL_EVAL(disp, ret);
 }
@@ -1219,7 +1215,7 @@ eglSurfaceAttrib(EGLDisplay dpy, EGLSurface surface,
 {
    _EGLDisplay *disp = _eglLockDisplay(dpy);
    _EGLSurface *surf = _eglLookupSurface(surface, disp);
-   _EGLDriver *drv;
+   const _EGLDriver *drv;
    EGLBoolean ret;
 
    _EGL_FUNC_START(disp, EGL_OBJECT_SURFACE_KHR, surf, EGL_FALSE);
@@ -1236,12 +1232,12 @@ eglBindTexImage(EGLDisplay dpy, EGLSurface surface, EGLint buffer)
 {
    _EGLDisplay *disp = _eglLockDisplay(dpy);
    _EGLSurface *surf = _eglLookupSurface(surface, disp);
-   _EGLDriver *drv;
+   const _EGLDriver *drv;
    EGLBoolean ret;
 
    _EGL_FUNC_START(disp, EGL_OBJECT_SURFACE_KHR, surf, EGL_FALSE);
    _EGL_CHECK_SURFACE(disp, surf, EGL_FALSE, drv);
-   ret = drv->API.BindTexImage(drv, disp, surf, buffer);
+   ret = drv->BindTexImage(disp, surf, buffer);
 
    RETURN_EGL_EVAL(disp, ret);
 }
@@ -1252,12 +1248,12 @@ eglReleaseTexImage(EGLDisplay dpy, EGLSurface surface, EGLint buffer)
 {
    _EGLDisplay *disp = _eglLockDisplay(dpy);
    _EGLSurface *surf = _eglLookupSurface(surface, disp);
-   _EGLDriver *drv;
+   const _EGLDriver *drv;
    EGLBoolean ret;
 
    _EGL_FUNC_START(disp, EGL_OBJECT_SURFACE_KHR, surf, EGL_FALSE);
    _EGL_CHECK_SURFACE(disp, surf, EGL_FALSE, drv);
-   ret = drv->API.ReleaseTexImage(drv, disp, surf, buffer);
+   ret = drv->ReleaseTexImage(disp, surf, buffer);
 
    RETURN_EGL_EVAL(disp, ret);
 }
@@ -1269,7 +1265,7 @@ eglSwapInterval(EGLDisplay dpy, EGLint interval)
    _EGLDisplay *disp = _eglLockDisplay(dpy);
    _EGLContext *ctx = _eglGetCurrentContext();
    _EGLSurface *surf = ctx ? ctx->DrawSurface : NULL;
-   _EGLDriver *drv;
+   const _EGLDriver *drv;
    EGLBoolean ret;
 
    _EGL_FUNC_START(disp, EGL_OBJECT_SURFACE_KHR, surf, EGL_FALSE);
@@ -1290,10 +1286,10 @@ eglSwapInterval(EGLDisplay dpy, EGLint interval)
                     surf->Config->MaxSwapInterval);
 
    if (surf->SwapInterval != interval) {
-      if (drv->API.SwapInterval)
-         ret = drv->API.SwapInterval(drv, disp, surf, interval);
+      if (drv->SwapInterval)
+         ret = drv->SwapInterval(disp, surf, interval);
       else
-         ret = _eglSwapInterval(drv, disp, surf, interval);
+         ret = _eglSwapInterval(disp, surf, interval);
    }
    else {
       ret = EGL_TRUE;
@@ -1312,7 +1308,7 @@ eglSwapBuffers(EGLDisplay dpy, EGLSurface surface)
    _EGLContext *ctx = _eglGetCurrentContext();
    _EGLDisplay *disp = _eglLockDisplay(dpy);
    _EGLSurface *surf = _eglLookupSurface(surface, disp);
-   _EGLDriver *drv;
+   const _EGLDriver *drv;
    EGLBoolean ret;
 
    _EGL_FUNC_START(disp, EGL_OBJECT_SURFACE_KHR, surf, EGL_FALSE);
@@ -1337,7 +1333,7 @@ eglSwapBuffers(EGLDisplay dpy, EGLSurface surface)
    if (surf->Lost)
       RETURN_EGL_ERROR(disp, EGL_BAD_NATIVE_WINDOW, EGL_FALSE);
 
-   ret = drv->API.SwapBuffers(drv, disp, surf);
+   ret = drv->SwapBuffers(disp, surf);
 
    /* EGL_KHR_partial_update
     * Frame boundary successfully reached,
@@ -1354,10 +1350,10 @@ eglSwapBuffers(EGLDisplay dpy, EGLSurface surface)
 
 static EGLBoolean
 _eglSwapBuffersWithDamageCommon(_EGLDisplay *disp, _EGLSurface *surf,
-                                EGLint *rects, EGLint n_rects)
+                                const EGLint *rects, EGLint n_rects)
 {
    _EGLContext *ctx = _eglGetCurrentContext();
-   _EGLDriver *drv;
+   const _EGLDriver *drv;
    EGLBoolean ret;
 
    _EGL_CHECK_SURFACE(disp, surf, EGL_FALSE, drv);
@@ -1373,7 +1369,7 @@ _eglSwapBuffersWithDamageCommon(_EGLDisplay *disp, _EGLSurface *surf,
    if ((n_rects > 0 && rects == NULL) || n_rects < 0)
       RETURN_EGL_ERROR(disp, EGL_BAD_PARAMETER, EGL_FALSE);
 
-   ret = drv->API.SwapBuffersWithDamageEXT(drv, disp, surf, rects, n_rects);
+   ret = drv->SwapBuffersWithDamageEXT(disp, surf, rects, n_rects);
 
    /* EGL_KHR_partial_update
     * Frame boundary successfully reached,
@@ -1389,7 +1385,7 @@ _eglSwapBuffersWithDamageCommon(_EGLDisplay *disp, _EGLSurface *surf,
 
 static EGLBoolean EGLAPIENTRY
 eglSwapBuffersWithDamageEXT(EGLDisplay dpy, EGLSurface surface,
-                            EGLint *rects, EGLint n_rects)
+                            const EGLint *rects, EGLint n_rects)
 {
    _EGLDisplay *disp = _eglLockDisplay(dpy);
    _EGLSurface *surf = _eglLookupSurface(surface, disp);
@@ -1399,7 +1395,7 @@ eglSwapBuffersWithDamageEXT(EGLDisplay dpy, EGLSurface surface,
 
 static EGLBoolean EGLAPIENTRY
 eglSwapBuffersWithDamageKHR(EGLDisplay dpy, EGLSurface surface,
-                            EGLint *rects, EGLint n_rects)
+                            const EGLint *rects, EGLint n_rects)
 {
    _EGLDisplay *disp = _eglLockDisplay(dpy);
    _EGLSurface *surf = _eglLookupSurface(surface, disp);
@@ -1441,7 +1437,7 @@ eglSetDamageRegionKHR(EGLDisplay dpy, EGLSurface surface,
    _EGLSurface *surf = _eglLookupSurface(surface, disp);
    _EGL_FUNC_START(disp, EGL_OBJECT_SURFACE_KHR, surf, EGL_FALSE);
    _EGLContext *ctx = _eglGetCurrentContext();
-   _EGLDriver *drv;
+   const _EGLDriver *drv;
    EGLBoolean ret;
    _EGL_CHECK_SURFACE(disp, surf, EGL_FALSE, drv);
 
@@ -1460,7 +1456,7 @@ eglSetDamageRegionKHR(EGLDisplay dpy, EGLSurface surface,
       RETURN_EGL_ERROR(disp, EGL_BAD_ACCESS, EGL_FALSE);
 
    _eglSetDamageRegionKHRClampRects(disp, surf, rects, n_rects);
-   ret = drv->API.SetDamageRegion(drv, disp, surf, rects, n_rects);
+   ret = drv->SetDamageRegion(disp, surf, rects, n_rects);
 
    if (ret)
       surf->SetDamageRegionCalled = EGL_TRUE;
@@ -1473,7 +1469,7 @@ eglCopyBuffers(EGLDisplay dpy, EGLSurface surface, EGLNativePixmapType target)
 {
    _EGLDisplay *disp = _eglLockDisplay(dpy);
    _EGLSurface *surf = _eglLookupSurface(surface, disp);
-   _EGLDriver *drv;
+   const _EGLDriver *drv;
    EGLBoolean ret;
    void *native_pixmap_ptr;
 
@@ -1482,7 +1478,7 @@ eglCopyBuffers(EGLDisplay dpy, EGLSurface surface, EGLNativePixmapType target)
    native_pixmap_ptr = (void*) target;
 
    _EGL_CHECK_SURFACE(disp, surf, EGL_FALSE, drv);
-   ret = drv->API.CopyBuffers(drv, disp, surf, native_pixmap_ptr);
+   ret = drv->CopyBuffers(disp, surf, native_pixmap_ptr);
 
    RETURN_EGL_EVAL(disp, ret);
 }
@@ -1493,7 +1489,6 @@ _eglWaitClientCommon(void)
 {
    _EGLContext *ctx = _eglGetCurrentContext();
    _EGLDisplay *disp;
-   _EGLDriver *drv;
    EGLBoolean ret;
 
    if (!ctx)
@@ -1509,8 +1504,7 @@ _eglWaitClientCommon(void)
 
    /* a valid current context implies an initialized current display */
    assert(disp->Initialized);
-   drv = disp->Driver;
-   ret = drv->API.WaitClient(drv, disp, ctx);
+   ret = disp->Driver->WaitClient(disp, ctx);
 
    RETURN_EGL_EVAL(disp, ret);
 }
@@ -1536,7 +1530,7 @@ eglWaitNative(EGLint engine)
 {
    _EGLContext *ctx = _eglGetCurrentContext();
    _EGLDisplay *disp;
-   _EGLDriver *drv;
+   const _EGLDriver *drv;
    EGLBoolean ret;
 
    if (!ctx)
@@ -1555,7 +1549,7 @@ eglWaitNative(EGLint engine)
    /* a valid current context implies an initialized current display */
    assert(disp->Initialized);
    drv = disp->Driver;
-   ret = drv->API.WaitNative(drv, disp, engine);
+   ret = drv->WaitNative(drv, disp, engine);
 
    RETURN_EGL_EVAL(disp, ret);
 }
@@ -1686,7 +1680,7 @@ eglCreatePbufferFromClientBuffer(EGLDisplay dpy, EGLenum buftype,
 {
    _EGLDisplay *disp = _eglLockDisplay(dpy);
    _EGLConfig *conf = _eglLookupConfig(config, disp);
-   _EGLDriver *drv;
+   const _EGLDriver *drv;
 
    _EGL_FUNC_START(disp, EGL_OBJECT_DISPLAY_KHR, NULL, EGL_NO_SURFACE);
 
@@ -1709,11 +1703,9 @@ eglReleaseThread(void)
 
       if (ctx) {
          _EGLDisplay *disp = ctx->Resource.Display;
-         _EGLDriver *drv;
 
          mtx_lock(&disp->Mutex);
-         drv = disp->Driver;
-         (void) drv->API.MakeCurrent(drv, disp, NULL, NULL, NULL);
+         (void) disp->Driver->MakeCurrent(disp, NULL, NULL, NULL);
          mtx_unlock(&disp->Mutex);
       }
    }
@@ -1729,7 +1721,7 @@ _eglCreateImageCommon(_EGLDisplay *disp, EGLContext ctx, EGLenum target,
                       EGLClientBuffer buffer, const EGLint *attr_list)
 {
    _EGLContext *context = _eglLookupContext(ctx, disp);
-   _EGLDriver *drv;
+   const _EGLDriver *drv;
    _EGLImage *img;
    EGLImage ret;
 
@@ -1744,7 +1736,7 @@ _eglCreateImageCommon(_EGLDisplay *disp, EGLContext ctx, EGLenum target,
    if (ctx != EGL_NO_CONTEXT && target == EGL_LINUX_DMA_BUF_EXT)
       RETURN_EGL_ERROR(disp, EGL_BAD_PARAMETER, EGL_NO_IMAGE_KHR);
 
-   img = drv->API.CreateImageKHR(drv, disp, context, target,
+   img = drv->CreateImageKHR(drv, disp, context, target,
                                  buffer, attr_list);
    ret = (img) ? _eglLinkImage(img) : EGL_NO_IMAGE_KHR;
 
@@ -1784,7 +1776,7 @@ eglCreateImage(EGLDisplay dpy, EGLContext ctx, EGLenum target,
 static EGLBoolean
 _eglDestroyImageCommon(_EGLDisplay *disp, _EGLImage *img)
 {
-   _EGLDriver *drv;
+   const _EGLDriver *drv;
    EGLBoolean ret;
 
    _EGL_CHECK_DISPLAY(disp, EGL_FALSE, drv);
@@ -1794,7 +1786,7 @@ _eglDestroyImageCommon(_EGLDisplay *disp, _EGLImage *img)
       RETURN_EGL_ERROR(disp, EGL_BAD_PARAMETER, EGL_FALSE);
 
    _eglUnlinkImage(img);
-   ret = drv->API.DestroyImageKHR(drv, disp, img);
+   ret = drv->DestroyImageKHR(drv, disp, img);
 
    RETURN_EGL_EVAL(disp, ret);
 }
@@ -1824,7 +1816,7 @@ _eglCreateSync(_EGLDisplay *disp, EGLenum type, const EGLAttrib *attrib_list,
                EGLenum invalid_type_error)
 {
    _EGLContext *ctx = _eglGetCurrentContext();
-   _EGLDriver *drv;
+   const _EGLDriver *drv;
    _EGLSync *sync;
    EGLSync ret;
 
@@ -1851,9 +1843,10 @@ _eglCreateSync(_EGLDisplay *disp, EGLenum type, const EGLAttrib *attrib_list,
        (type == EGL_SYNC_FENCE_KHR || type == EGL_SYNC_NATIVE_FENCE_ANDROID))
       RETURN_EGL_ERROR(disp, EGL_BAD_MATCH, EGL_NO_SYNC_KHR);
 
-   /* return an error if the client API doesn't support GL_OES_EGL_sync */
+   /* return an error if the client API doesn't support GL_[OES|MESA]_EGL_sync. */
    if (ctx && (ctx->Resource.Display != disp ||
-               ctx->ClientAPI != EGL_OPENGL_ES_API))
+               (ctx->ClientAPI != EGL_OPENGL_ES_API &&
+                ctx->ClientAPI != EGL_OPENGL_API)))
       RETURN_EGL_ERROR(disp, EGL_BAD_MATCH, EGL_NO_SYNC_KHR);
 
    switch (type) {
@@ -1877,7 +1870,7 @@ _eglCreateSync(_EGLDisplay *disp, EGLenum type, const EGLAttrib *attrib_list,
       RETURN_EGL_ERROR(disp, invalid_type_error, EGL_NO_SYNC_KHR);
    }
 
-   sync = drv->API.CreateSyncKHR(drv, disp, type, attrib_list);
+   sync = drv->CreateSyncKHR(drv, disp, type, attrib_list);
    ret = (sync) ? _eglLinkSync(sync) : EGL_NO_SYNC_KHR;
 
    RETURN_EGL_EVAL(disp, ret);
@@ -1936,7 +1929,7 @@ eglCreateSync(EGLDisplay dpy, EGLenum type, const EGLAttrib *attrib_list)
 static EGLBoolean
 _eglDestroySync(_EGLDisplay *disp, _EGLSync *s)
 {
-   _EGLDriver *drv;
+   const _EGLDriver *drv;
    EGLBoolean ret;
 
    _EGL_CHECK_SYNC(disp, s, EGL_FALSE, drv);
@@ -1945,7 +1938,7 @@ _eglDestroySync(_EGLDisplay *disp, _EGLSync *s)
           disp->Extensions.ANDROID_native_fence_sync);
 
    _eglUnlinkSync(s);
-   ret = drv->API.DestroySyncKHR(drv, disp, s);
+   ret = drv->DestroySyncKHR(drv, disp, s);
 
    RETURN_EGL_EVAL(disp, ret);
 }
@@ -1973,7 +1966,7 @@ static EGLint
 _eglClientWaitSyncCommon(_EGLDisplay *disp, EGLDisplay dpy,
                          _EGLSync *s, EGLint flags, EGLTime timeout)
 {
-   _EGLDriver *drv;
+   const _EGLDriver *drv;
    EGLint ret;
 
    _EGL_CHECK_SYNC(disp, s, EGL_FALSE, drv);
@@ -1992,7 +1985,7 @@ _eglClientWaitSyncCommon(_EGLDisplay *disp, EGLDisplay dpy,
    if (s->Type == EGL_SYNC_REUSABLE_KHR)
       _eglUnlockDisplay(dpy);
 
-   ret = drv->API.ClientWaitSyncKHR(drv, disp, s, flags, timeout);
+   ret = drv->ClientWaitSyncKHR(drv, disp, s, flags, timeout);
 
    /*
     * 'disp' is already unlocked for reusable sync type,
@@ -2029,21 +2022,23 @@ static EGLint
 _eglWaitSyncCommon(_EGLDisplay *disp, _EGLSync *s, EGLint flags)
 {
    _EGLContext *ctx = _eglGetCurrentContext();
-   _EGLDriver *drv;
+   const _EGLDriver *drv;
    EGLint ret;
 
    _EGL_CHECK_SYNC(disp, s, EGL_FALSE, drv);
    assert(disp->Extensions.KHR_wait_sync);
 
-   /* return an error if the client API doesn't support GL_OES_EGL_sync */
-   if (ctx == EGL_NO_CONTEXT || ctx->ClientAPI != EGL_OPENGL_ES_API)
+   /* return an error if the client API doesn't support GL_[OES|MESA]_EGL_sync. */
+   if (ctx == EGL_NO_CONTEXT ||
+         (ctx->ClientAPI != EGL_OPENGL_ES_API &&
+          ctx->ClientAPI != EGL_OPENGL_API))
       RETURN_EGL_ERROR(disp, EGL_BAD_MATCH, EGL_FALSE);
 
    /* the API doesn't allow any flags yet */
    if (flags != 0)
       RETURN_EGL_ERROR(disp, EGL_BAD_PARAMETER, EGL_FALSE);
 
-   ret = drv->API.WaitSyncKHR(drv, disp, s);
+   ret = drv->WaitSyncKHR(drv, disp, s);
 
    RETURN_EGL_EVAL(disp, ret);
 }
@@ -2077,14 +2072,14 @@ eglSignalSyncKHR(EGLDisplay dpy, EGLSync sync, EGLenum mode)
 {
    _EGLDisplay *disp = _eglLockDisplay(dpy);
    _EGLSync *s = _eglLookupSync(sync, disp);
-   _EGLDriver *drv;
+   const _EGLDriver *drv;
    EGLBoolean ret;
 
    _EGL_FUNC_START(disp, EGL_OBJECT_SYNC_KHR, s, EGL_FALSE);
 
    _EGL_CHECK_SYNC(disp, s, EGL_FALSE, drv);
    assert(disp->Extensions.KHR_reusable_sync);
-   ret = drv->API.SignalSyncKHR(drv, disp, s, mode);
+   ret = drv->SignalSyncKHR(drv, disp, s, mode);
 
    RETURN_EGL_EVAL(disp, ret);
 }
@@ -2093,7 +2088,7 @@ eglSignalSyncKHR(EGLDisplay dpy, EGLSync sync, EGLenum mode)
 static EGLBoolean
 _eglGetSyncAttribCommon(_EGLDisplay *disp, _EGLSync *s, EGLint attribute, EGLAttrib *value)
 {
-   _EGLDriver *drv;
+   const _EGLDriver *drv;
    EGLBoolean ret;
 
    _EGL_CHECK_SYNC(disp, s, EGL_FALSE, drv);
@@ -2112,6 +2107,10 @@ eglGetSyncAttrib(EGLDisplay dpy, EGLSync sync, EGLint attribute, EGLAttrib *valu
    _EGLDisplay *disp = _eglLockDisplay(dpy);
    _EGLSync *s = _eglLookupSync(sync, disp);
    _EGL_FUNC_START(disp, EGL_OBJECT_SYNC_KHR, s, EGL_FALSE);
+
+   if (!value)
+      RETURN_EGL_ERROR(disp, EGL_BAD_PARAMETER, EGL_FALSE);
+
    return _eglGetSyncAttribCommon(disp, s, attribute, value);
 }
 
@@ -2148,7 +2147,7 @@ eglDupNativeFenceFDANDROID(EGLDisplay dpy, EGLSync sync)
 {
    _EGLDisplay *disp = _eglLockDisplay(dpy);
    _EGLSync *s = _eglLookupSync(sync, disp);
-   _EGLDriver *drv;
+   const _EGLDriver *drv;
    EGLBoolean ret;
 
    _EGL_FUNC_START(disp, EGL_OBJECT_SYNC_KHR, s, EGL_FALSE);
@@ -2162,7 +2161,7 @@ eglDupNativeFenceFDANDROID(EGLDisplay dpy, EGLSync sync)
 
    _EGL_CHECK_SYNC(disp, s, EGL_NO_NATIVE_FENCE_FD_ANDROID, drv);
    assert(disp->Extensions.ANDROID_native_fence_sync);
-   ret = drv->API.DupNativeFenceFDANDROID(drv, disp, s);
+   ret = drv->DupNativeFenceFDANDROID(drv, disp, s);
 
    RETURN_EGL_EVAL(disp, ret);
 }
@@ -2174,7 +2173,7 @@ eglSwapBuffersRegionNOK(EGLDisplay dpy, EGLSurface surface,
    _EGLContext *ctx = _eglGetCurrentContext();
    _EGLDisplay *disp = _eglLockDisplay(dpy);
    _EGLSurface *surf = _eglLookupSurface(surface, disp);
-   _EGLDriver *drv;
+   const _EGLDriver *drv;
    EGLBoolean ret;
 
    _EGL_FUNC_START(disp, EGL_OBJECT_SURFACE_KHR, surf, EGL_FALSE);
@@ -2189,7 +2188,7 @@ eglSwapBuffersRegionNOK(EGLDisplay dpy, EGLSurface surface,
        surf != ctx->DrawSurface)
       RETURN_EGL_ERROR(disp, EGL_BAD_SURFACE, EGL_FALSE);
 
-   ret = drv->API.SwapBuffersRegionNOK(drv, disp, surf, numRects, rects);
+   ret = drv->SwapBuffersRegionNOK(disp, surf, numRects, rects);
 
    RETURN_EGL_EVAL(disp, ret);
 }
@@ -2199,7 +2198,7 @@ static EGLImage EGLAPIENTRY
 eglCreateDRMImageMESA(EGLDisplay dpy, const EGLint *attr_list)
 {
    _EGLDisplay *disp = _eglLockDisplay(dpy);
-   _EGLDriver *drv;
+   const _EGLDriver *drv;
    _EGLImage *img;
    EGLImage ret;
 
@@ -2209,7 +2208,7 @@ eglCreateDRMImageMESA(EGLDisplay dpy, const EGLint *attr_list)
    if (!disp->Extensions.MESA_drm_image)
       RETURN_EGL_EVAL(disp, EGL_NO_IMAGE_KHR);
 
-   img = drv->API.CreateDRMImageMESA(drv, disp, attr_list);
+   img = drv->CreateDRMImageMESA(drv, disp, attr_list);
    ret = (img) ? _eglLinkImage(img) : EGL_NO_IMAGE_KHR;
 
    RETURN_EGL_EVAL(disp, ret);
@@ -2221,7 +2220,7 @@ eglExportDRMImageMESA(EGLDisplay dpy, EGLImage image,
 {
    _EGLDisplay *disp = _eglLockDisplay(dpy);
    _EGLImage *img = _eglLookupImage(image, disp);
-   _EGLDriver *drv;
+   const _EGLDriver *drv;
    EGLBoolean ret;
 
    _EGL_FUNC_START(disp, EGL_OBJECT_IMAGE_KHR, img, EGL_FALSE);
@@ -2232,7 +2231,7 @@ eglExportDRMImageMESA(EGLDisplay dpy, EGLImage image,
    if (!img)
       RETURN_EGL_ERROR(disp, EGL_BAD_PARAMETER, EGL_FALSE);
 
-   ret = drv->API.ExportDRMImageMESA(drv, disp, img, name, handle, stride);
+   ret = drv->ExportDRMImageMESA(drv, disp, img, name, handle, stride);
 
    RETURN_EGL_EVAL(disp, ret);
 }
@@ -2244,7 +2243,7 @@ static EGLBoolean EGLAPIENTRY
 eglBindWaylandDisplayWL(EGLDisplay dpy, struct wl_display *display)
 {
    _EGLDisplay *disp = _eglLockDisplay(dpy);
-   _EGLDriver *drv;
+   const _EGLDriver *drv;
    EGLBoolean ret;
 
    _EGL_FUNC_START(disp, EGL_OBJECT_DISPLAY_KHR, NULL, EGL_FALSE);
@@ -2255,7 +2254,7 @@ eglBindWaylandDisplayWL(EGLDisplay dpy, struct wl_display *display)
    if (!display)
       RETURN_EGL_ERROR(disp, EGL_BAD_PARAMETER, EGL_FALSE);
 
-   ret = drv->API.BindWaylandDisplayWL(drv, disp, display);
+   ret = drv->BindWaylandDisplayWL(drv, disp, display);
 
    RETURN_EGL_EVAL(disp, ret);
 }
@@ -2264,7 +2263,7 @@ static EGLBoolean EGLAPIENTRY
 eglUnbindWaylandDisplayWL(EGLDisplay dpy, struct wl_display *display)
 {
    _EGLDisplay *disp = _eglLockDisplay(dpy);
-   _EGLDriver *drv;
+   const _EGLDriver *drv;
    EGLBoolean ret;
 
    _EGL_FUNC_START(disp, EGL_OBJECT_DISPLAY_KHR, NULL, EGL_FALSE);
@@ -2275,7 +2274,7 @@ eglUnbindWaylandDisplayWL(EGLDisplay dpy, struct wl_display *display)
    if (!display)
       RETURN_EGL_ERROR(disp, EGL_BAD_PARAMETER, EGL_FALSE);
 
-   ret = drv->API.UnbindWaylandDisplayWL(drv, disp, display);
+   ret = drv->UnbindWaylandDisplayWL(drv, disp, display);
 
    RETURN_EGL_EVAL(disp, ret);
 }
@@ -2285,7 +2284,7 @@ eglQueryWaylandBufferWL(EGLDisplay dpy, struct wl_resource *buffer,
                         EGLint attribute, EGLint *value)
 {
    _EGLDisplay *disp = _eglLockDisplay(dpy);
-   _EGLDriver *drv;
+   const _EGLDriver *drv;
    EGLBoolean ret;
 
    _EGL_FUNC_START(disp, EGL_OBJECT_DISPLAY_KHR, NULL, EGL_FALSE);
@@ -2296,7 +2295,7 @@ eglQueryWaylandBufferWL(EGLDisplay dpy, struct wl_resource *buffer,
    if (!buffer)
       RETURN_EGL_ERROR(disp, EGL_BAD_PARAMETER, EGL_FALSE);
 
-   ret = drv->API.QueryWaylandBufferWL(drv, disp, buffer, attribute, value);
+   ret = drv->QueryWaylandBufferWL(drv, disp, buffer, attribute, value);
 
    RETURN_EGL_EVAL(disp, ret);
 }
@@ -2307,7 +2306,7 @@ eglCreateWaylandBufferFromImageWL(EGLDisplay dpy, EGLImage image)
 {
    _EGLDisplay *disp = _eglLockDisplay(dpy);
    _EGLImage *img;
-   _EGLDriver *drv;
+   const _EGLDriver *drv;
    struct wl_buffer *ret;
 
    _EGL_FUNC_START(disp, EGL_OBJECT_DISPLAY_KHR, NULL, EGL_FALSE);
@@ -2321,7 +2320,7 @@ eglCreateWaylandBufferFromImageWL(EGLDisplay dpy, EGLImage image)
    if (!img)
       RETURN_EGL_ERROR(disp, EGL_BAD_PARAMETER, NULL);
 
-   ret = drv->API.CreateWaylandBufferFromImageWL(drv, disp, img);
+   ret = drv->CreateWaylandBufferFromImageWL(drv, disp, img);
 
    RETURN_EGL_EVAL(disp, ret);
 }
@@ -2332,7 +2331,7 @@ eglPostSubBufferNV(EGLDisplay dpy, EGLSurface surface,
 {
    _EGLDisplay *disp = _eglLockDisplay(dpy);
    _EGLSurface *surf = _eglLookupSurface(surface, disp);
-   _EGLDriver *drv;
+   const _EGLDriver *drv;
    EGLBoolean ret;
 
    _EGL_FUNC_START(disp, EGL_OBJECT_SURFACE_KHR, surf, EGL_FALSE);
@@ -2342,7 +2341,7 @@ eglPostSubBufferNV(EGLDisplay dpy, EGLSurface surface,
    if (!disp->Extensions.NV_post_sub_buffer)
       RETURN_EGL_EVAL(disp, EGL_FALSE);
 
-   ret = drv->API.PostSubBufferNV(drv, disp, surf, x, y, width, height);
+   ret = drv->PostSubBufferNV(drv, disp, surf, x, y, width, height);
 
    RETURN_EGL_EVAL(disp, ret);
 }
@@ -2354,7 +2353,7 @@ eglGetSyncValuesCHROMIUM(EGLDisplay dpy, EGLSurface surface,
 {
    _EGLDisplay *disp = _eglLockDisplay(dpy);
    _EGLSurface *surf = _eglLookupSurface(surface, disp);
-   _EGLDriver *drv;
+   const _EGLDriver *drv;
    EGLBoolean ret;
 
    _EGL_FUNC_START(disp, EGL_OBJECT_SURFACE_KHR, surf, EGL_FALSE);
@@ -2366,7 +2365,7 @@ eglGetSyncValuesCHROMIUM(EGLDisplay dpy, EGLSurface surface,
    if (!ust || !msc || !sbc)
       RETURN_EGL_ERROR(disp, EGL_BAD_PARAMETER, EGL_FALSE);
 
-   ret = drv->API.GetSyncValuesCHROMIUM(disp, surf, ust, msc, sbc);
+   ret = drv->GetSyncValuesCHROMIUM(disp, surf, ust, msc, sbc);
 
    RETURN_EGL_EVAL(disp, ret);
 }
@@ -2378,7 +2377,7 @@ eglExportDMABUFImageQueryMESA(EGLDisplay dpy, EGLImage image,
 {
    _EGLDisplay *disp = _eglLockDisplay(dpy);
    _EGLImage *img = _eglLookupImage(image, disp);
-   _EGLDriver *drv;
+   const _EGLDriver *drv;
    EGLBoolean ret;
 
    _EGL_FUNC_START(disp, EGL_OBJECT_IMAGE_KHR, img, EGL_FALSE);
@@ -2389,7 +2388,7 @@ eglExportDMABUFImageQueryMESA(EGLDisplay dpy, EGLImage image,
    if (!img)
       RETURN_EGL_ERROR(disp, EGL_BAD_PARAMETER, EGL_FALSE);
 
-   ret = drv->API.ExportDMABUFImageQueryMESA(drv, disp, img, fourcc, nplanes,
+   ret = drv->ExportDMABUFImageQueryMESA(drv, disp, img, fourcc, nplanes,
                                              modifiers);
 
    RETURN_EGL_EVAL(disp, ret);
@@ -2401,7 +2400,7 @@ eglExportDMABUFImageMESA(EGLDisplay dpy, EGLImage image,
 {
    _EGLDisplay *disp = _eglLockDisplay(dpy);
    _EGLImage *img = _eglLookupImage(image, disp);
-   _EGLDriver *drv;
+   const _EGLDriver *drv;
    EGLBoolean ret;
 
    _EGL_FUNC_START(disp, EGL_OBJECT_IMAGE_KHR, img, EGL_FALSE);
@@ -2412,7 +2411,7 @@ eglExportDMABUFImageMESA(EGLDisplay dpy, EGLImage image,
    if (!img)
       RETURN_EGL_ERROR(disp, EGL_BAD_PARAMETER, EGL_FALSE);
 
-   ret = drv->API.ExportDMABUFImageMESA(drv, disp, img, fds, strides, offsets);
+   ret = drv->ExportDMABUFImageMESA(drv, disp, img, fds, strides, offsets);
 
    RETURN_EGL_EVAL(disp, ret);
 }
@@ -2569,14 +2568,14 @@ eglQueryDmaBufFormatsEXT(EGLDisplay dpy, EGLint max_formats,
                          EGLint *formats, EGLint *num_formats)
 {
    _EGLDisplay *disp = _eglLockDisplay(dpy);
-   _EGLDriver *drv;
+   const _EGLDriver *drv;
    EGLBoolean ret;
 
    _EGL_FUNC_START(NULL, EGL_NONE, NULL, EGL_FALSE);
 
    _EGL_CHECK_DISPLAY(disp, EGL_FALSE, drv);
 
-   ret = drv->API.QueryDmaBufFormatsEXT(drv, disp, max_formats, formats,
+   ret = drv->QueryDmaBufFormatsEXT(drv, disp, max_formats, formats,
                                         num_formats);
 
    RETURN_EGL_EVAL(disp, ret);
@@ -2588,14 +2587,14 @@ eglQueryDmaBufModifiersEXT(EGLDisplay dpy, EGLint format, EGLint max_modifiers,
                            EGLint *num_modifiers)
 {
    _EGLDisplay *disp = _eglLockDisplay(dpy);
-   _EGLDriver *drv;
+   const _EGLDriver *drv;
    EGLBoolean ret;
 
    _EGL_FUNC_START(NULL, EGL_NONE, NULL, EGL_FALSE);
 
    _EGL_CHECK_DISPLAY(disp, EGL_FALSE, drv);
 
-   ret = drv->API.QueryDmaBufModifiersEXT(drv, disp, format, max_modifiers,
+   ret = drv->QueryDmaBufModifiersEXT(drv, disp, format, max_modifiers,
                                           modifiers, external_only,
                                           num_modifiers);
 
@@ -2616,7 +2615,7 @@ eglSetBlobCacheFuncsANDROID(EGLDisplay *dpy, EGLSetBlobFuncANDROID set,
       return;
    }
 
-   _EGLDriver *drv = _eglCheckDisplay(disp, __func__);
+   const _EGLDriver *drv = _eglCheckDisplay(disp, __func__);
    if (!drv) {
       if (disp)
          _eglUnlockDisplay(disp);
@@ -2640,7 +2639,7 @@ eglSetBlobCacheFuncsANDROID(EGLDisplay *dpy, EGLSetBlobFuncANDROID set,
    disp->BlobCacheSet = set;
    disp->BlobCacheGet = get;
 
-   drv->API.SetBlobCacheFuncsANDROID(drv, disp, set, get);
+   drv->SetBlobCacheFuncsANDROID(drv, disp, set, get);
 
    _eglUnlockDisplay(disp);
 }
@@ -2693,7 +2692,7 @@ eglQueryDisplayAttribEXT(EGLDisplay dpy,
                          EGLAttrib *value)
 {
    _EGLDisplay *disp = _eglLockDisplay(dpy);
-   _EGLDriver *drv;
+   const _EGLDriver *drv;
 
    _EGL_FUNC_START(NULL, EGL_NONE, NULL, EGL_FALSE);
    _EGL_CHECK_DISPLAY(disp, EGL_FALSE, drv);
@@ -2712,7 +2711,7 @@ static char * EGLAPIENTRY
 eglGetDisplayDriverConfig(EGLDisplay dpy)
 {
     _EGLDisplay *disp = _eglLockDisplay(dpy);
-    _EGLDriver *drv;
+    const _EGLDriver *drv;
     char *ret;
 
     _EGL_FUNC_START(disp, EGL_NONE, NULL, NULL);
@@ -2720,7 +2719,7 @@ eglGetDisplayDriverConfig(EGLDisplay dpy)
 
     assert(disp->Extensions.MESA_query_driver);
 
-    ret = drv->API.QueryDriverConfig(disp);
+    ret = drv->QueryDriverConfig(disp);
     RETURN_EGL_EVAL(disp, ret);
 }
 
@@ -2728,7 +2727,7 @@ static const char * EGLAPIENTRY
 eglGetDisplayDriverName(EGLDisplay dpy)
 {
     _EGLDisplay *disp = _eglLockDisplay(dpy);
-    _EGLDriver *drv;
+    const _EGLDriver *drv;
     const char *ret;
 
     _EGL_FUNC_START(disp, EGL_NONE, NULL, NULL);
@@ -2736,7 +2735,7 @@ eglGetDisplayDriverName(EGLDisplay dpy)
 
     assert(disp->Extensions.MESA_query_driver);
 
-    ret = drv->API.QueryDriverName(disp);
+    ret = drv->QueryDriverName(disp);
     RETURN_EGL_EVAL(disp, ret);
 }
 
@@ -2773,7 +2772,7 @@ eglGetProcAddress(const char *procname)
 
 static int
 _eglLockDisplayInterop(EGLDisplay dpy, EGLContext context,
-                       _EGLDisplay **disp, _EGLDriver **drv,
+                       _EGLDisplay **disp, const _EGLDriver **drv,
                        _EGLContext **ctx)
 {
 
@@ -2802,7 +2801,7 @@ MesaGLInteropEGLQueryDeviceInfo(EGLDisplay dpy, EGLContext context,
                                 struct mesa_glinterop_device_info *out)
 {
    _EGLDisplay *disp;
-   _EGLDriver *drv;
+   const _EGLDriver *drv;
    _EGLContext *ctx;
    int ret;
 
@@ -2810,8 +2809,8 @@ MesaGLInteropEGLQueryDeviceInfo(EGLDisplay dpy, EGLContext context,
    if (ret != MESA_GLINTEROP_SUCCESS)
       return ret;
 
-   if (drv->API.GLInteropQueryDeviceInfo)
-      ret = drv->API.GLInteropQueryDeviceInfo(disp, ctx, out);
+   if (drv->GLInteropQueryDeviceInfo)
+      ret = drv->GLInteropQueryDeviceInfo(disp, ctx, out);
    else
       ret = MESA_GLINTEROP_UNSUPPORTED;
 
@@ -2825,7 +2824,7 @@ MesaGLInteropEGLExportObject(EGLDisplay dpy, EGLContext context,
                              struct mesa_glinterop_export_out *out)
 {
    _EGLDisplay *disp;
-   _EGLDriver *drv;
+   const _EGLDriver *drv;
    _EGLContext *ctx;
    int ret;
 
@@ -2833,8 +2832,8 @@ MesaGLInteropEGLExportObject(EGLDisplay dpy, EGLContext context,
    if (ret != MESA_GLINTEROP_SUCCESS)
       return ret;
 
-   if (drv->API.GLInteropExportObject)
-      ret = drv->API.GLInteropExportObject(disp, ctx, in, out);
+   if (drv->GLInteropExportObject)
+      ret = drv->GLInteropExportObject(disp, ctx, in, out);
    else
       ret = MESA_GLINTEROP_UNSUPPORTED;