Mesa (master): egl_softpipe: Do not flush unlinked context.
Brian Paul
brianp at kemper.freedesktop.org
Fri Aug 21 14:35:25 UTC 2009
Module: Mesa
Branch: master
Commit: 1f871a4d1536a7124d82d4503d1167bd668f84da
URL: http://cgit.freedesktop.org/mesa/mesa/commit/?id=1f871a4d1536a7124d82d4503d1167bd668f84da
Author: Chia-I Wu <olvaffe at gmail.com>
Date: Thu Aug 20 19:35:28 2009 +0800
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 <olvaffe at gmail.com>
---
src/gallium/winsys/egl_xlib/egl_xlib.c | 11 ++++++++---
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 1fcdd2d..96f460f 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));
More information about the mesa-commit
mailing list