glx: free vertex array state when context is destroyed

3 files changed, 30 insertions, 2 deletions

diff --git a/src/glx/x11/glxclient.h b/src/glx/x11/glxclient.h
index 8143289ecc..e2b4218200 100644
--- a/src/glx/x11/glxclient.h
+++ b/src/glx/x11/glxclient.h
@@ -695,9 +695,10 @@ extern void __glEmptyImage(__GLXcontext*, GLint, GLint, GLint, GLint, GLenum,
 
 
 /*
-** Allocate and Initialize Vertex Array client state 
+** Allocate and Initialize Vertex Array client state, and free.
 */
-extern void __glXInitVertexArrayState(__GLXcontext*);
+extern void __glXInitVertexArrayState(__GLXcontext *);
+extern void __glXFreeVertexArrayState(__GLXcontext *);
 
 /*
 ** Inform the Server of the major and minor numbers and of the client
diff --git a/src/glx/x11/glxcmds.c b/src/glx/x11/glxcmds.c
index 6cafb33b1f..0f0cb6233a 100644
--- a/src/glx/x11/glxcmds.c
+++ b/src/glx/x11/glxcmds.c
@@ -532,6 +532,8 @@ DestroyContext(Display *dpy, GLXContext gc)
     }
 #endif
 
+    __glXFreeVertexArrayState(gc);
+
     if (gc->currentDpy) {
 	/* Have to free later cuz it's in use now */
 	__glXUnlock();
diff --git a/src/glx/x11/indirect_vertex_array.c b/src/glx/x11/indirect_vertex_array.c
index 15e3ece148..c7a20e2bc5 100644
--- a/src/glx/x11/indirect_vertex_array.c
+++ b/src/glx/x11/indirect_vertex_array.c
@@ -101,6 +101,31 @@ const GLuint __glXTypeSize_table[16] = {
 };
 
 
+/**
+ * Free the per-context array state that was allocated with
+ * __glXInitVertexArrayState().
+ */
+void
+__glXFreeVertexArrayState( __GLXcontext * gc )
+{
+    __GLXattribute * state = (__GLXattribute *)(gc->client_state_private);
+    struct array_state_vector* arrays = state->array_state;
+
+    if (arrays) {
+        if (arrays->stack) {
+            free(arrays->stack);
+            arrays->stack = NULL;
+        }
+        if (arrays->arrays) {
+            free(arrays->arrays);
+            arrays->arrays = NULL;
+        }
+        free(arrays);
+        arrays = NULL;
+        state->array_state = NULL;
+    }
+}
+
 
 /**
  * Initialize vertex array state of a GLX context.