dri2: do not conflate unbind and bindContext() failure
dri2_make_current() has become hard to follow, address this by
splitting the semantic of needing a call to bindContext() and
its failure.
Cc: mesa-stable
Signed-off-by: Luigi Santivetti <luigi.santivetti@imgtec.com>
Reviewed-by: Eric Engestrom <eric@engestrom.ch>
Reviewed-by: Emil Velikov <emil.velikov@collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/5707>
diff --git a/src/egl/drivers/dri2/egl_dri2.c b/src/egl/drivers/dri2/egl_dri2.c
index 44018c5..f42ba66 100644
--- a/src/egl/drivers/dri2/egl_dri2.c
+++ b/src/egl/drivers/dri2/egl_dri2.c
@@ -1768,7 +1768,6 @@
_EGLSurface *tmp_dsurf, *tmp_rsurf;
__DRIdrawable *ddraw, *rdraw;
__DRIcontext *cctx;
- EGLBoolean unbind;
if (!dri2_dpy)
return _eglError(EGL_NOT_INITIALIZED, "eglMakeCurrent");
@@ -1800,41 +1799,41 @@
ddraw = (dsurf) ? dri2_dpy->vtbl->get_dri_drawable(dsurf) : NULL;
rdraw = (rsurf) ? dri2_dpy->vtbl->get_dri_drawable(rsurf) : NULL;
cctx = (dri2_ctx) ? dri2_ctx->dri_context : NULL;
- unbind = (cctx == NULL && ddraw == NULL && rdraw == NULL);
- if (!unbind && !dri2_dpy->core->bindContext(cctx, ddraw, rdraw)) {
- /* undo the previous _eglBindContext */
- _eglBindContext(old_ctx, old_dsurf, old_rsurf, &ctx, &tmp_dsurf, &tmp_rsurf);
- assert(&dri2_ctx->base == ctx &&
- tmp_dsurf == dsurf &&
- tmp_rsurf == rsurf);
+ if (cctx || ddraw || rdraw) {
+ if (!dri2_dpy->core->bindContext(cctx, ddraw, rdraw)) {
+ /* undo the previous _eglBindContext */
+ _eglBindContext(old_ctx, old_dsurf, old_rsurf, &ctx, &tmp_dsurf, &tmp_rsurf);
+ assert(&dri2_ctx->base == ctx &&
+ tmp_dsurf == dsurf &&
+ tmp_rsurf == rsurf);
- if (old_dsurf && _eglSurfaceInSharedBufferMode(old_dsurf) &&
- old_dri2_dpy->vtbl->set_shared_buffer_mode) {
- old_dri2_dpy->vtbl->set_shared_buffer_mode(old_disp, old_dsurf, true);
+ if (old_dsurf && _eglSurfaceInSharedBufferMode(old_dsurf) &&
+ old_dri2_dpy->vtbl->set_shared_buffer_mode) {
+ old_dri2_dpy->vtbl->set_shared_buffer_mode(old_disp, old_dsurf, true);
+ }
+
+ _eglPutSurface(dsurf);
+ _eglPutSurface(rsurf);
+ _eglPutContext(ctx);
+
+ _eglPutSurface(old_dsurf);
+ _eglPutSurface(old_rsurf);
+ _eglPutContext(old_ctx);
+
+ /* dri2_dpy->core->bindContext failed. We cannot tell for sure why, but
+ * setting the error to EGL_BAD_MATCH is surely better than leaving it
+ * as EGL_SUCCESS.
+ */
+ return _eglError(EGL_BAD_MATCH, "eglMakeCurrent");
}
- _eglPutSurface(dsurf);
- _eglPutSurface(rsurf);
- _eglPutContext(ctx);
-
- _eglPutSurface(old_dsurf);
- _eglPutSurface(old_rsurf);
- _eglPutContext(old_ctx);
-
- /* dri2_dpy->core->bindContext failed. We cannot tell for sure why, but
- * setting the error to EGL_BAD_MATCH is surely better than leaving it
- * as EGL_SUCCESS.
- */
- return _eglError(EGL_BAD_MATCH, "eglMakeCurrent");
+ dri2_dpy->ref_count++;
}
dri2_destroy_surface(drv, disp, old_dsurf);
dri2_destroy_surface(drv, disp, old_rsurf);
- if (!unbind)
- dri2_dpy->ref_count++;
-
if (old_ctx) {
dri2_destroy_context(drv, disp, old_ctx);
dri2_display_release(old_disp);