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author | marha <marha@users.sourceforge.net> | 2014-04-23 22:47:55 +0200 |
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committer | marha <marha@users.sourceforge.net> | 2014-04-23 22:47:55 +0200 |
commit | 24fb0da18f1c44dfa1f76d8cde8efbb958aa7659 (patch) | |
tree | 76157bb2f88c9383b0824476a9e3a9f9a1bff9fa /xorg-server/glx/glxcmds.c | |
parent | 6876c31f186414ce975180af79902314c8cdc82a (diff) | |
parent | d26ea2f474c48afa7d3c261572da5d85b7b62bd8 (diff) | |
download | vcxsrv-24fb0da18f1c44dfa1f76d8cde8efbb958aa7659.tar.gz vcxsrv-24fb0da18f1c44dfa1f76d8cde8efbb958aa7659.tar.bz2 vcxsrv-24fb0da18f1c44dfa1f76d8cde8efbb958aa7659.zip |
Merge remote-tracking branch 'origin/released'
Conflicts:
mesalib/include/GL/glext.h
xorg-server/.gitignore
xorg-server/glx/glxext.c
Diffstat (limited to 'xorg-server/glx/glxcmds.c')
-rw-r--r-- | xorg-server/glx/glxcmds.c | 22 |
1 files changed, 15 insertions, 7 deletions
diff --git a/xorg-server/glx/glxcmds.c b/xorg-server/glx/glxcmds.c index bb75af774..c39a3f461 100644 --- a/xorg-server/glx/glxcmds.c +++ b/xorg-server/glx/glxcmds.c @@ -191,7 +191,7 @@ validGlxDrawable(ClientPtr client, XID id, int type, int access_mode, void __glXContextDestroy(__GLXcontext * context) { - __glXFlushContextCache(); + lastGLContext = NULL; } static void @@ -278,6 +278,17 @@ DoCreateContext(__GLXclientState * cl, GLXContextID gcId, ** Allocate memory for the new context */ if (!isDirect) { + /* Only allow creating indirect GLX contexts if allowed by + * server command line. Indirect GLX is of limited use (since + * it's only GL 1.4), it's slower than direct contexts, and + * it's a massive attack surface for buffer overflow type + * errors. + */ + if (!enableIndirectGLX) { + client->errorValue = isDirect; + return BadValue; + } + /* Without any attributes, the only error that the driver should be * able to generate is BadAlloc. As result, just drop the error * returned from the driver on the floor. @@ -437,10 +448,6 @@ static void StopUsingContext(__GLXcontext * glxc) { if (glxc) { - if (glxc == __glXLastContext) { - /* Tell server GL library */ - __glXLastContext = 0; - } glxc->currentClient = NULL; if (!glxc->idExists) { FreeResourceByType(glxc->id, __glXContextRes, FALSE); @@ -451,7 +458,6 @@ StopUsingContext(__GLXcontext * glxc) static void StartUsingContext(__GLXclientState * cl, __GLXcontext * glxc) { - __glXLastContext = glxc; glxc->currentClient = cl->client; } @@ -632,7 +638,7 @@ DoMakeCurrent(__GLXclientState * cl, if (!(*prevglxc->loseCurrent) (prevglxc)) { return __glXError(GLXBadContext); } - __glXFlushContextCache(); + lastGLContext = NULL; if (!prevglxc->isDirect) { prevglxc->drawPriv = NULL; prevglxc->readPriv = NULL; @@ -645,7 +651,9 @@ DoMakeCurrent(__GLXclientState * cl, glxc->readPriv = readPriv; /* make the context current */ + lastGLContext = glxc; if (!(*glxc->makeCurrent) (glxc)) { + lastGLContext = NULL; glxc->drawPriv = NULL; glxc->readPriv = NULL; return __glXError(GLXBadContext); |