mesa: Fix another crash

mingw-w64-mesa/PKGBUILD

@@ -4,7 +4,7 @@ _realname=mesa
 _mingw_suff=mingw-w64-${CARCH}
 pkgname="${_mingw_suff}-${_realname}"
 pkgver=10.0.1
-pkgrel=1
+pkgrel=2
 pkgdesc="Open-source implementation of the OpenGL specification (mingw-w64)"
 arch=('any')
 depends=("")
@@ -14,9 +14,11 @@ url="http://www.mesa3d.org"
 license=('MIT')
 options=('staticlibs' 'strip')
 source=(ftp://ftp.freedesktop.org/pub/mesa/10.0.1/MesaLib-${pkgver}.tar.bz2
-		fix-crash.patch)
+		fix-crash.patch
+		llvmpipe-freeing.patch)
 md5sums=('0a72ca5b36046a658bf6038326ff32ed'
-         '2803a57b4368ef3b8bfd25efa1544176')
+         '2803a57b4368ef3b8bfd25efa1544176'
+         'b8da20a1bfb9045bdb82d3f6f2a13beb')
 noextract=("MesaLib-${pkgver}.tar.bz2")
 
 case ${MINGW_CHOST} in
@@ -33,6 +35,7 @@ prepare() {
   [ -d $srcdir/$_realname-$pkgver ] || tar -xjvf MesaLib-${pkgver}.tar.bz2 -C $srcdir
   cd ${srcdir}/Mesa-$pkgver
   patch -p1 -i ${srcdir}/fix-crash.patch
+  patch -p1 -i ${srcdir}/llvmpipe-freeing.patch
 }
 
 build() {

mingw-w64-mesa/llvmpipe-freeing.patch

@@ -0,0 +1,27 @@
+This fixes another case of faulting when freeing a pipe_sampler_view
+that belongs to a previously destroyed context.
+
+Signed-off-by: Jonathan Liu <net147 at gmail.com>
+---
+ src/gallium/drivers/llvmpipe/lp_state_sampler.c | 6 ++++++
+ 1 file changed, 6 insertions(+)
+
+diff --git a/src/gallium/drivers/llvmpipe/lp_state_sampler.c b/src/gallium/drivers/llvmpipe/lp_state_sampler.c
+index 1d3db0f..ff498f7 100644
+--- a/src/gallium/drivers/llvmpipe/lp_state_sampler.c
++++ b/src/gallium/drivers/llvmpipe/lp_state_sampler.c
+@@ -136,6 +136,12 @@ llvmpipe_set_sampler_views(struct pipe_context *pipe,
+ 
+    /* set the new sampler views */
+    for (i = 0; i < num; i++) {
++      /* Note: we're using pipe_sampler_view_release() here to work around
++       * a possible crash when the old view belongs to another context that
++       * was already destroyed.
++       */
++      pipe_sampler_view_release(pipe,
++                                &llvmpipe->sampler_views[shader][start + i]);
+       pipe_sampler_view_reference(&llvmpipe->sampler_views[shader][start + i],
+                                   views[i]);
+    }
+-- 
+1.8.5.1