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authorChia-I Wu <[email protected]>2009-08-20 19:35:28 +0800
committerBrian Paul <[email protected]>2009-08-21 08:34:34 -0600
commit1f871a4d1536a7124d82d4503d1167bd668f84da (patch)
tree3969d2add2e35df2a17fd0c350429b940eff3fd1 /src/gallium/winsys
parent408db29792a2d57409f2604974e4398a3545a38f (diff)
egl_softpipe: Do not flush unlinked context.
An unlinked context is destroyed after _eglMakeCurrent. Flushing such context would cause segfault. Signed-off-by: Chia-I Wu <[email protected]>
Diffstat (limited to 'src/gallium/winsys')
-rw-r--r--src/gallium/winsys/egl_xlib/egl_xlib.c11
1 files changed, 8 insertions, 3 deletions
diff --git a/src/gallium/winsys/egl_xlib/egl_xlib.c b/src/gallium/winsys/egl_xlib/egl_xlib.c
index 1fcdd2dceb0..96f460f88a9 100644
--- a/src/gallium/winsys/egl_xlib/egl_xlib.c
+++ b/src/gallium/winsys/egl_xlib/egl_xlib.c
@@ -424,14 +424,19 @@ xlib_eglMakeCurrent(_EGLDriver *drv, _EGLDisplay *dpy,
struct xlib_egl_context *context = lookup_context(ctx);
struct xlib_egl_surface *draw_surf = lookup_surface(draw);
struct xlib_egl_surface *read_surf = lookup_surface(read);
- struct st_context *oldctx = st_get_current();
+ struct st_context *oldcontext = NULL;
+ _EGLContext *oldctx;
+
+ oldctx = _eglGetCurrentContext();
+ if (oldctx && _eglIsContextLinked(oldctx))
+ oldcontext = st_get_current();
if (!_eglMakeCurrent(drv, dpy, draw, read, ctx))
return EGL_FALSE;
/* Flush before switching context. Check client API? */
- if (oldctx)
- st_flush(oldctx, PIPE_FLUSH_RENDER_CACHE | PIPE_FLUSH_FRAME, NULL);
+ if (oldcontext)
+ st_flush(oldcontext, PIPE_FLUSH_RENDER_CACHE | PIPE_FLUSH_FRAME, NULL);
st_make_current((context ? context->Context : NULL),
(draw_surf ? draw_surf->Framebuffer : NULL),
(read_surf ? read_surf->Framebuffer : NULL));