static EGLBoolean
droid_swap_buffers(_EGLDriver *drv, _EGLDisplay *disp, _EGLSurface *draw)
{
struct dri2_egl_driver *dri2_drv = dri2_egl_driver(drv);
struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
struct dri2_egl_surface *dri2_surf = dri2_egl_surface(draw);
_EGLContext *ctx;
if (dri2_surf->base.Type != EGL_WINDOW_BIT)
return EGL_TRUE;
if (dri2_drv->glFlush) {
ctx = _eglGetCurrentContext();
if (ctx && ctx->DrawSurface == &dri2_surf->base)
dri2_drv->glFlush();
}
(*dri2_dpy->flush->flush)(dri2_surf->dri_drawable);
if (dri2_surf->buffer)
droid_window_enqueue_buffer(dri2_surf);
(*dri2_dpy->flush->invalidate)(dri2_surf->dri_drawable);
return EGL_TRUE;
}
/**
* Called via eglMakeCurrent(), drv->API.MakeCurrent().
*/
static EGLBoolean
xdri_eglMakeCurrent(_EGLDriver *drv, _EGLDisplay *dpy, _EGLSurface *d,
_EGLSurface *r, _EGLContext *context)
{
struct xdri_egl_context *xdri_ctx = lookup_context(context);
struct xdri_egl_surface *draw = lookup_surface(d);
struct xdri_egl_surface *read = lookup_surface(r);
if (!_eglMakeCurrent(drv, dpy, d, r, context))
return EGL_FALSE;
/* the symbol is defined in libGL.so */
_glapi_check_multithread();
if (xdri_ctx) {
if (!xdri_ctx->driContext->bindContext(xdri_ctx->driContext,
draw->driDrawable,
read->driDrawable)) {
return EGL_FALSE;
}
}
else {
_EGLContext *old = _eglGetCurrentContext();
if (old) {
xdri_ctx = lookup_context(old);
xdri_ctx->driContext->unbindContext(xdri_ctx->driContext);
}
}
return EGL_TRUE;
}
EGLBoolean EGLAPIENTRY
eglWaitNative(EGLint engine)
{
_EGLContext *ctx = _eglGetCurrentContext();
_EGLDisplay *disp;
_EGLDriver *drv;
EGLBoolean ret;
if (!ctx)
RETURN_EGL_SUCCESS(NULL, EGL_TRUE);
disp = ctx->Resource.Display;
_eglLockMutex(&disp->Mutex);
/* let bad current context imply bad current surface */
if (_eglGetContextHandle(ctx) == EGL_NO_CONTEXT ||
_eglGetSurfaceHandle(ctx->DrawSurface) == EGL_NO_SURFACE)
RETURN_EGL_ERROR(disp, EGL_BAD_CURRENT_SURFACE, EGL_FALSE);
/* a valid current context implies an initialized current display */
assert(disp->Initialized);
drv = disp->Driver;
ret = drv->API.WaitNative(drv, disp, engine);
RETURN_EGL_EVAL(disp, ret);
}
EGLSurface EGLAPIENTRY
eglGetCurrentSurface(EGLint readdraw)
{
_EGLContext *ctx = _eglGetCurrentContext();
EGLint err = EGL_SUCCESS;
_EGLSurface *surf;
EGLSurface ret;
if (!ctx)
RETURN_EGL_SUCCESS(NULL, EGL_NO_SURFACE);
switch (readdraw) {
case EGL_DRAW:
surf = ctx->DrawSurface;
break;
case EGL_READ:
surf = ctx->ReadSurface;
break;
default:
surf = NULL;
err = EGL_BAD_PARAMETER;
break;
}
ret = _eglGetSurfaceHandle(surf);
RETURN_EGL_ERROR(NULL, err, ret);
}
EGLContext EGLAPIENTRY
eglGetCurrentContext(void)
{
_EGLContext *ctx = _eglGetCurrentContext();
EGLContext ret;
ret = _eglGetContextHandle(ctx);
RETURN_EGL_SUCCESS(NULL, ret);
}
EGLDisplay EGLAPIENTRY
eglGetCurrentDisplay(void)
{
_EGLContext *ctx = _eglGetCurrentContext();
EGLDisplay ret;
ret = (ctx) ? _eglGetDisplayHandle(ctx->Resource.Display) : EGL_NO_DISPLAY;
RETURN_EGL_SUCCESS(NULL, ret);
}
static EGLBoolean
egl_g3d_wait_native(_EGLDriver *drv, _EGLDisplay *dpy, EGLint engine)
{
_EGLContext *ctx = _eglGetCurrentContext();
if (engine != EGL_CORE_NATIVE_ENGINE)
return _eglError(EGL_BAD_PARAMETER, "eglWaitNative");
if (ctx && ctx->DrawSurface) {
struct egl_g3d_surface *gsurf = egl_g3d_surface(ctx->DrawSurface);
if (gsurf->native)
gsurf->native->wait(gsurf->native);
}
return EGL_TRUE;
}
/* If the backbuffer is on a videocard, this is extraordinarily slow!
*/
static EGLBoolean
fbSwapBuffers(_EGLDriver *drv, EGLDisplay dpy, EGLSurface draw)
{
fbContext *context = (fbContext *)_eglGetCurrentContext();
fbSurface *fs = Lookup_fbSurface(draw);
struct gl_renderbuffer * front_renderbuffer = fs->mesa_framebuffer->Attachment[BUFFER_FRONT_LEFT].Renderbuffer;
void *frontBuffer = front_renderbuffer->Data;
int currentPitch = ((driRenderbuffer *)front_renderbuffer)->pitch;
void *backBuffer = fs->mesa_framebuffer->Attachment[BUFFER_BACK_LEFT].Renderbuffer->Data;
if (!_eglSwapBuffers(drv, dpy, draw))
return EGL_FALSE;
if (context) {
GLcontext *ctx = context->glCtx;
if (ctx->Visual.doubleBufferMode) {
int i;
int offset = 0;
char *tmp = _mesa_malloc(currentPitch);
_mesa_notifySwapBuffers( ctx ); /* flush pending rendering comands */
ASSERT(frontBuffer);
ASSERT(backBuffer);
for (i = 0; i < fs->Base.Height; i++) {
_mesa_memcpy(tmp, (char *) backBuffer + offset,
currentPitch);
_mesa_memcpy((char *) frontBuffer + offset, tmp,
currentPitch);
offset += currentPitch;
}
_mesa_free(tmp);
}
}
else {
/* XXX this shouldn't be an error but we can't handle it for now */
_mesa_problem(NULL, "fbSwapBuffers: drawable has no context!\n");
return EGL_FALSE;
}
return EGL_TRUE;
}
static EGLBoolean
dri2_copy_region(_EGLDriver *drv, _EGLDisplay *disp,
_EGLSurface *draw, xcb_xfixes_region_t region)
{
struct dri2_egl_driver *dri2_drv = dri2_egl_driver(drv);
struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
struct dri2_egl_surface *dri2_surf = dri2_egl_surface(draw);
_EGLContext *ctx;
enum xcb_dri2_attachment_t render_attachment;
xcb_dri2_copy_region_cookie_t cookie;
if (dri2_drv->glFlush) {
ctx = _eglGetCurrentContext();
if (ctx && ctx->DrawSurface == &dri2_surf->base)
dri2_drv->glFlush();
}
(*dri2_dpy->flush->flush)(dri2_surf->dri_drawable);
#if 0
/* FIXME: Add support for dri swapbuffers, that'll give us swap
* interval and page flipping (at least for fullscreen windows) as
* well as the page flip event. Unless surface->SwapBehavior is
* EGL_BUFFER_PRESERVED. */
#if __DRI2_FLUSH_VERSION >= 2
if (pdraw->psc->f)
(*pdraw->psc->f->flushInvalidate)(pdraw->driDrawable);
#endif
#endif
if (dri2_surf->have_fake_front)
render_attachment = XCB_DRI2_ATTACHMENT_BUFFER_FAKE_FRONT_LEFT;
else
render_attachment = XCB_DRI2_ATTACHMENT_BUFFER_BACK_LEFT;
cookie = xcb_dri2_copy_region_unchecked(dri2_dpy->conn,
dri2_surf->drawable,
region,
XCB_DRI2_ATTACHMENT_BUFFER_FRONT_LEFT,
render_attachment);
free(xcb_dri2_copy_region_reply(dri2_dpy->conn, cookie, NULL));
return EGL_TRUE;
}
static EGLBoolean
egl_g3d_copy_buffers(_EGLDriver *drv, _EGLDisplay *dpy, _EGLSurface *surf,
EGLNativePixmapType target)
{
struct egl_g3d_display *gdpy = egl_g3d_display(dpy);
struct egl_g3d_surface *gsurf = egl_g3d_surface(surf);
_EGLContext *ctx = _eglGetCurrentContext();
if (!gsurf->render_texture)
return EGL_TRUE;
/* flush if the surface is current */
if (ctx && ctx->DrawSurface == &gsurf->base) {
struct egl_g3d_context *gctx = egl_g3d_context(ctx);
gctx->stctxi->flush(gctx->stctxi, ST_FLUSH_FRONT, NULL);
}
return gdpy->native->copy_to_pixmap(gdpy->native,
target, gsurf->render_texture);
}
EGLBoolean EGLAPIENTRY
eglSwapBuffers(EGLDisplay dpy, EGLSurface surface)
{
_EGLContext *ctx = _eglGetCurrentContext();
_EGLDisplay *disp = _eglLockDisplay(dpy);
_EGLSurface *surf = _eglLookupSurface(surface, disp);
_EGLDriver *drv;
EGLBoolean ret;
_EGL_CHECK_SURFACE(disp, surf, EGL_FALSE, drv);
/* surface must be bound to current context in EGL 1.4 */
if (_eglGetContextHandle(ctx) == EGL_NO_CONTEXT ||
surf != ctx->DrawSurface)
RETURN_EGL_ERROR(disp, EGL_BAD_SURFACE, EGL_FALSE);
ret = drv->API.SwapBuffers(drv, disp, surf);
RETURN_EGL_EVAL(disp, ret);
}
EGLBoolean EGLAPIENTRY
eglSwapInterval(EGLDisplay dpy, EGLint interval)
{
_EGLDisplay *disp = _eglLockDisplay(dpy);
_EGLContext *ctx = _eglGetCurrentContext();
_EGLSurface *surf;
_EGLDriver *drv;
EGLBoolean ret;
_EGL_CHECK_DISPLAY(disp, EGL_FALSE, drv);
if (_eglGetContextHandle(ctx) == EGL_NO_CONTEXT ||
ctx->Resource.Display != disp)
RETURN_EGL_ERROR(disp, EGL_BAD_CONTEXT, EGL_FALSE);
surf = ctx->DrawSurface;
if (_eglGetSurfaceHandle(surf) == EGL_NO_SURFACE)
RETURN_EGL_ERROR(disp, EGL_BAD_SURFACE, EGL_FALSE);
ret = drv->API.SwapInterval(drv, disp, surf, interval);
RETURN_EGL_EVAL(disp, ret);
}
static EGLBoolean
swap_buffers(_EGLDriver *drv, _EGLDisplay *dpy, _EGLSurface *surf,
EGLint num_rects, const EGLint *rects, EGLBoolean preserve)
{
struct egl_g3d_surface *gsurf = egl_g3d_surface(surf);
_EGLContext *ctx = _eglGetCurrentContext();
struct egl_g3d_context *gctx = NULL;
struct native_present_control ctrl;
/* no-op for pixmap or pbuffer surface */
if (gsurf->base.Type == EGL_PIXMAP_BIT ||
gsurf->base.Type == EGL_PBUFFER_BIT)
return EGL_TRUE;
/* or when the surface is single-buffered */
if (gsurf->stvis.render_buffer == ST_ATTACHMENT_FRONT_LEFT)
return EGL_TRUE;
if (ctx && ctx->DrawSurface == surf)
gctx = egl_g3d_context(ctx);
/* flush if the surface is current */
if (gctx) {
gctx->stctxi->flush(gctx->stctxi, ST_FLUSH_FRONT, NULL);
}
memset(&ctrl, 0, sizeof(ctrl));
ctrl.natt = NATIVE_ATTACHMENT_BACK_LEFT;
ctrl.preserve = preserve;
ctrl.swap_interval = gsurf->base.SwapInterval;
ctrl.premultiplied_alpha = (gsurf->base.VGAlphaFormat == EGL_VG_ALPHA_FORMAT_PRE);
ctrl.num_rects = num_rects;
ctrl.rects = rects;
return gsurf->native->present(gsurf->native, &ctrl);
}
EGLBoolean
_eglQuerySurface(_EGLDriver *drv, _EGLDisplay *disp, _EGLSurface *surface,
EGLint attribute, EGLint *value)
{
switch (attribute) {
case EGL_WIDTH:
*value = surface->Width;
break;
case EGL_HEIGHT:
*value = surface->Height;
break;
case EGL_CONFIG_ID:
*value = surface->Config->ConfigID;
break;
case EGL_LARGEST_PBUFFER:
if (surface->Type == EGL_PBUFFER_BIT)
*value = surface->LargestPbuffer;
break;
case EGL_TEXTURE_FORMAT:
/* texture attributes: only for pbuffers, no error otherwise */
if (surface->Type == EGL_PBUFFER_BIT)
*value = surface->TextureFormat;
break;
case EGL_TEXTURE_TARGET:
if (surface->Type == EGL_PBUFFER_BIT)
*value = surface->TextureTarget;
break;
case EGL_MIPMAP_TEXTURE:
if (surface->Type == EGL_PBUFFER_BIT)
*value = surface->MipmapTexture;
break;
case EGL_MIPMAP_LEVEL:
if (surface->Type == EGL_PBUFFER_BIT)
*value = surface->MipmapLevel;
break;
case EGL_SWAP_BEHAVIOR:
*value = surface->SwapBehavior;
break;
case EGL_RENDER_BUFFER:
/* From the EGL_KHR_mutable_render_buffer spec (v12):
*
* Querying EGL_RENDER_BUFFER returns the buffer which client API
* rendering is requested to use. For a window surface, this is the
* attribute value specified when the surface was created or last set
* via eglSurfaceAttrib.
*
* In other words, querying a window surface returns the value most
* recently *requested* by the user.
*
* The paragraph continues in the EGL 1.5 spec (2014.08.27):
*
* For a pbuffer surface, it is always EGL_BACK_BUFFER . For a pixmap
* surface, it is always EGL_SINGLE_BUFFER . To determine the actual
* buffer being rendered to by a context, call eglQueryContext.
*/
switch (surface->Type) {
default:
unreachable("bad EGLSurface type");
case EGL_WINDOW_BIT:
*value = surface->RequestedRenderBuffer;
break;
case EGL_PBUFFER_BIT:
*value = EGL_BACK_BUFFER;
break;
case EGL_PIXMAP_BIT:
*value = EGL_SINGLE_BUFFER;
break;
}
break;
case EGL_PIXEL_ASPECT_RATIO:
*value = surface->AspectRatio;
break;
case EGL_HORIZONTAL_RESOLUTION:
*value = surface->HorizontalResolution;
break;
case EGL_VERTICAL_RESOLUTION:
*value = surface->VerticalResolution;
break;
case EGL_MULTISAMPLE_RESOLVE:
*value = surface->MultisampleResolve;
break;
case EGL_VG_ALPHA_FORMAT:
*value = surface->VGAlphaFormat;
break;
case EGL_VG_COLORSPACE:
*value = surface->VGColorspace;
break;
case EGL_GL_COLORSPACE_KHR:
if (!disp->Extensions.KHR_gl_colorspace)
return _eglError(EGL_BAD_ATTRIBUTE, "eglQuerySurface");
*value = surface->GLColorspace;
break;
case EGL_POST_SUB_BUFFER_SUPPORTED_NV:
*value = surface->PostSubBufferSupportedNV;
break;
case EGL_BUFFER_AGE_EXT:
/* Both EXT_buffer_age and KHR_partial_update accept EGL_BUFFER_AGE_EXT.
* To be precise, the KHR one accepts EGL_BUFFER_AGE_KHR which is an
* alias with the same numeric value.
*/
if (!disp->Extensions.EXT_buffer_age &&
!disp->Extensions.KHR_partial_update)
return _eglError(EGL_BAD_ATTRIBUTE, "eglQuerySurface");
_EGLContext *ctx = _eglGetCurrentContext();
EGLint result = drv->API.QueryBufferAge(drv, disp, surface);
/* error happened */
if (result < 0)
return EGL_FALSE;
if (_eglGetContextHandle(ctx) == EGL_NO_CONTEXT ||
ctx->DrawSurface != surface)
return _eglError(EGL_BAD_SURFACE, "eglQuerySurface");
*value = result;
surface->BufferAgeRead = EGL_TRUE;
break;
case EGL_SMPTE2086_DISPLAY_PRIMARY_RX_EXT:
*value = surface->HdrMetadata.display_primary_r.x;
break;
case EGL_SMPTE2086_DISPLAY_PRIMARY_RY_EXT:
*value = surface->HdrMetadata.display_primary_r.y;
break;
case EGL_SMPTE2086_DISPLAY_PRIMARY_GX_EXT:
*value = surface->HdrMetadata.display_primary_g.x;
break;
case EGL_SMPTE2086_DISPLAY_PRIMARY_GY_EXT:
*value = surface->HdrMetadata.display_primary_g.y;
break;
case EGL_SMPTE2086_DISPLAY_PRIMARY_BX_EXT:
*value = surface->HdrMetadata.display_primary_b.x;
break;
case EGL_SMPTE2086_DISPLAY_PRIMARY_BY_EXT:
*value = surface->HdrMetadata.display_primary_b.y;
break;
case EGL_SMPTE2086_WHITE_POINT_X_EXT:
*value = surface->HdrMetadata.white_point.x;
break;
case EGL_SMPTE2086_WHITE_POINT_Y_EXT:
*value = surface->HdrMetadata.white_point.y;
break;
case EGL_SMPTE2086_MAX_LUMINANCE_EXT:
*value = surface->HdrMetadata.max_luminance;
break;
case EGL_SMPTE2086_MIN_LUMINANCE_EXT:
*value = surface->HdrMetadata.min_luminance;
break;
case EGL_CTA861_3_MAX_CONTENT_LIGHT_LEVEL_EXT:
*value = surface->HdrMetadata.max_cll;
break;
case EGL_CTA861_3_MAX_FRAME_AVERAGE_LEVEL_EXT:
*value = surface->HdrMetadata.max_fall;
break;
default:
return _eglError(EGL_BAD_ATTRIBUTE, "eglQuerySurface");
}
return EGL_TRUE;
}
EGLContext eglGetCurrentContext(void)
{
EGL_DEBUG("%s: %s\n", __FILE__, __func__);
EGL_DLSYM(eglGetCurrentContext);
return _eglGetCurrentContext();
}
/**
* Drivers will typically call this to do the error checking and
* update the various IsBound and DeletePending flags.
* Then, the driver will do its device-dependent Make-Current stuff.
*/
EGLBoolean
_eglMakeCurrent(_EGLDriver *drv, EGLDisplay dpy, EGLSurface d,
EGLSurface r, EGLContext context)
{
_EGLThreadInfo *t = _eglGetCurrentThread();
_EGLContext *ctx = _eglLookupContext(context);
_EGLSurface *draw = _eglLookupSurface(d);
_EGLSurface *read = _eglLookupSurface(r);
_EGLContext *oldContext = _eglGetCurrentContext();
_EGLSurface *oldDrawSurface = _eglGetCurrentSurface(EGL_DRAW);
_EGLSurface *oldReadSurface = _eglGetCurrentSurface(EGL_READ);
/* error checking */
if (ctx) {
if (draw == NULL || read == NULL) {
_eglError(EGL_BAD_MATCH, "eglMakeCurrent");
return EGL_FALSE;
}
if (draw->Config != ctx->Config) {
_eglError(EGL_BAD_MATCH, "eglMakeCurrent");
return EGL_FALSE;
}
if (read->Config != ctx->Config) {
_eglError(EGL_BAD_MATCH, "eglMakeCurrent");
return EGL_FALSE;
}
}
/*
* check if the old context or surfaces need to be deleted
*/
if (oldDrawSurface != NULL) {
oldDrawSurface->IsBound = EGL_FALSE;
if (oldDrawSurface->DeletePending) {
/* make sure we don't try to rebind a deleted surface */
if (draw == oldDrawSurface || draw == oldReadSurface) {
draw = NULL;
}
/* really delete surface now */
drv->API.DestroySurface(drv, dpy, oldDrawSurface->Handle);
}
}
if (oldReadSurface != NULL && oldReadSurface != oldDrawSurface) {
oldReadSurface->IsBound = EGL_FALSE;
if (oldReadSurface->DeletePending) {
/* make sure we don't try to rebind a deleted surface */
if (read == oldDrawSurface || read == oldReadSurface) {
read = NULL;
}
/* really delete surface now */
drv->API.DestroySurface(drv, dpy, oldReadSurface->Handle);
}
}
if (oldContext != NULL) {
oldContext->IsBound = EGL_FALSE;
if (oldContext->DeletePending) {
/* make sure we don't try to rebind a deleted context */
if (ctx == oldContext) {
ctx = NULL;
}
/* really delete context now */
drv->API.DestroyContext(drv, dpy, oldContext->Handle);
}
}
if (ctx) {
/* check read/draw again, in case we deleted them above */
if (draw == NULL || read == NULL) {
_eglError(EGL_BAD_MATCH, "eglMakeCurrent");
return EGL_FALSE;
}
ctx->DrawSurface = draw;
ctx->ReadSurface = read;
ctx->IsBound = EGL_TRUE;
draw->IsBound = EGL_TRUE;
read->IsBound = EGL_TRUE;
}
t->CurrentContext = ctx;
return EGL_TRUE;
}
/**
* Called via eglSwapBuffers(), drv->API.SwapBuffers().
*/
static EGLBoolean
dri2_swap_buffers(_EGLDriver *drv, _EGLDisplay *disp, _EGLSurface *draw)
{
struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
struct dri2_egl_surface *dri2_surf = dri2_egl_surface(draw);
struct dri2_egl_driver *dri2_drv = dri2_egl_driver(drv);
struct wl_callback *callback;
if (dri2_surf->block_swap_buffers) {
wl_display_flush(dri2_dpy->wl_dpy);
while (dri2_surf->block_swap_buffers)
wl_display_iterate(dri2_dpy->wl_dpy, WL_DISPLAY_READABLE);
}
dri2_surf->block_swap_buffers = EGL_TRUE;
callback = wl_surface_frame(dri2_surf->wl_win->surface);
wl_callback_add_listener(callback, &frame_listener, dri2_surf);
if (dri2_surf->base.Type == EGL_WINDOW_BIT) {
pointer_swap(
(const void **) &dri2_surf->dri_buffers[__DRI_BUFFER_FRONT_LEFT],
(const void **) &dri2_surf->dri_buffers[__DRI_BUFFER_BACK_LEFT]);
dri2_surf->dri_buffers[__DRI_BUFFER_FRONT_LEFT]->attachment =
__DRI_BUFFER_FRONT_LEFT;
dri2_surf->dri_buffers[__DRI_BUFFER_BACK_LEFT]->attachment =
__DRI_BUFFER_BACK_LEFT;
swap_wl_buffers(dri2_surf, WL_BUFFER_FRONT, WL_BUFFER_BACK);
if (!dri2_surf->wl_drm_buffer[WL_BUFFER_FRONT])
dri2_surf->wl_drm_buffer[WL_BUFFER_FRONT] =
wayland_create_buffer(dri2_surf,
dri2_surf->dri_buffers[__DRI_BUFFER_FRONT_LEFT]);
wl_buffer_damage(dri2_surf->wl_drm_buffer[WL_BUFFER_FRONT], 0, 0,
dri2_surf->base.Width, dri2_surf->base.Height);
wl_surface_attach(dri2_surf->wl_win->surface,
dri2_surf->wl_drm_buffer[WL_BUFFER_FRONT],
dri2_surf->dx, dri2_surf->dy);
dri2_surf->wl_buffer_lock[WL_BUFFER_FRONT] = 1;
dri2_surf->wl_win->attached_width = dri2_surf->base.Width;
dri2_surf->wl_win->attached_height = dri2_surf->base.Height;
/* reset resize growing parameters */
dri2_surf->dx = 0;
dri2_surf->dy = 0;
wl_surface_damage(dri2_surf->wl_win->surface, 0, 0,
dri2_surf->base.Width, dri2_surf->base.Height);
}
_EGLContext *ctx;
if (dri2_drv->glFlush) {
ctx = _eglGetCurrentContext();
if (ctx && ctx->DrawSurface == &dri2_surf->base)
dri2_drv->glFlush();
}
(*dri2_dpy->flush->flush)(dri2_surf->dri_drawable);
(*dri2_dpy->flush->invalidate)(dri2_surf->dri_drawable);
return EGL_TRUE;
}
EGLContext EGLAPIENTRY
eglGetCurrentContext(void)
{
_EGLContext *ctx = _eglGetCurrentContext();
return _eglGetContextHandle(ctx);
}