For _mesa_share_state(), update the context's references to the new share group's objects (Shane Blackett)
diff --git a/src/mesa/main/context.c b/src/mesa/main/context.c
index bb48109..d988ef2 100644
--- a/src/mesa/main/context.c
+++ b/src/mesa/main/context.c
@@ -999,6 +999,28 @@
/**
+ * Update default objects in a GL context with respect to shared state.
+ *
+ * \param ctx GL context.
+ *
+ * Removes references to old default objects, (texture objects, program
+ * objects, etc.) and changes to reference those from the current shared
+ * state.
+ */
+static GLboolean
+update_default_objects(GLcontext *ctx)
+{
+ assert(ctx);
+
+ _mesa_update_default_objects_program(ctx);
+ _mesa_update_default_objects_texture(ctx);
+ _mesa_update_default_objects_buffer_objects(ctx);
+
+ return GL_TRUE;
+}
+
+
+/**
* This is the default function we plug into all dispatch table slots
* This helps prevents a segfault when someone calls a GL function without
* first checking if the extension's supported.
@@ -1605,12 +1627,18 @@
_mesa_share_state(GLcontext *ctx, GLcontext *ctxToShare)
{
if (ctx && ctxToShare && ctx->Shared && ctxToShare->Shared) {
- ctx->Shared->RefCount--;
- if (ctx->Shared->RefCount == 0) {
- free_shared_state(ctx, ctx->Shared);
- }
+ struct gl_shared_state *oldSharedState = ctx->Shared;
+
ctx->Shared = ctxToShare->Shared;
ctx->Shared->RefCount++;
+
+ update_default_objects(ctx);
+
+ oldSharedState->RefCount--;
+ if (oldSharedState->RefCount == 0) {
+ free_shared_state(ctx, oldSharedState);
+ }
+
return GL_TRUE;
}
else {