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authormarha <marha@users.sourceforge.net>2012-02-06 08:33:58 +0100
committermarha <marha@users.sourceforge.net>2012-02-06 08:33:58 +0100
commitebb6162f9cbc1af0fac0b670b5aa38c8bb7a7446 (patch)
tree30d7b35b3c3d34b4539b57e1d92951ac5c8a3dfe /mesalib/src/mesa/main/context.c
parent68320ff05946f092b6836754c6267b1dff2f4633 (diff)
parentada3d2c30b5a7a1a79e128b7326d50c3bab77a8a (diff)
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Merge remote-tracking branch 'origin/released'
Diffstat (limited to 'mesalib/src/mesa/main/context.c')
-rw-r--r--mesalib/src/mesa/main/context.c28
1 files changed, 13 insertions, 15 deletions
diff --git a/mesalib/src/mesa/main/context.c b/mesalib/src/mesa/main/context.c
index f39cab5e4..43e7438ad 100644
--- a/mesalib/src/mesa/main/context.c
+++ b/mesalib/src/mesa/main/context.c
@@ -939,13 +939,10 @@ _mesa_initialize_context(struct gl_context *ctx,
return GL_FALSE;
}
- _glthread_LOCK_MUTEX(shared->Mutex);
- ctx->Shared = shared;
- shared->RefCount++;
- _glthread_UNLOCK_MUTEX(shared->Mutex);
+ _mesa_reference_shared_state(ctx, &ctx->Shared, shared);
if (!init_attrib_groups( ctx )) {
- _mesa_release_shared_state(ctx, ctx->Shared);
+ _mesa_reference_shared_state(ctx, &ctx->Shared, NULL);
return GL_FALSE;
}
@@ -973,7 +970,7 @@ _mesa_initialize_context(struct gl_context *ctx,
}
if (!ctx->Exec) {
- _mesa_release_shared_state(ctx, ctx->Shared);
+ _mesa_reference_shared_state(ctx, &ctx->Shared, NULL);
return GL_FALSE;
}
#endif
@@ -1002,7 +999,7 @@ _mesa_initialize_context(struct gl_context *ctx,
#if FEATURE_dlist
ctx->Save = _mesa_create_save_table();
if (!ctx->Save) {
- _mesa_release_shared_state(ctx, ctx->Shared);
+ _mesa_reference_shared_state(ctx, &ctx->Shared, NULL);
free(ctx->Exec);
return GL_FALSE;
}
@@ -1140,7 +1137,7 @@ _mesa_free_context_data( struct gl_context *ctx )
free(ctx->Save);
/* Shared context state (display lists, textures, etc) */
- _mesa_release_shared_state( ctx, ctx->Shared );
+ _mesa_reference_shared_state(ctx, &ctx->Shared, NULL);
/* needs to be after freeing shared state */
_mesa_free_display_list_data(ctx);
@@ -1540,17 +1537,18 @@ GLboolean
_mesa_share_state(struct gl_context *ctx, struct gl_context *ctxToShare)
{
if (ctx && ctxToShare && ctx->Shared && ctxToShare->Shared) {
- struct gl_shared_state *oldSharedState = ctx->Shared;
+ struct gl_shared_state *oldShared = NULL;
- ctx->Shared = ctxToShare->Shared;
-
- _glthread_LOCK_MUTEX(ctx->Shared->Mutex);
- ctx->Shared->RefCount++;
- _glthread_UNLOCK_MUTEX(ctx->Shared->Mutex);
+ /* save ref to old state to prevent it from being deleted immediately */
+ _mesa_reference_shared_state(ctx, &oldShared, ctx->Shared);
+
+ /* update ctx's Shared pointer */
+ _mesa_reference_shared_state(ctx, &ctx->Shared, ctxToShare->Shared);
update_default_objects(ctx);
- _mesa_release_shared_state(ctx, oldSharedState);
+ /* release the old shared state */
+ _mesa_reference_shared_state(ctx, &oldShared, NULL);
return GL_TRUE;
}