Add an RAII class to lock and unlock textures. (bug 1222863 part 1, r=nical)

2015-11-10 23:58:21 -08:00
parent 2ac5ab320b
commit 20d7da52cc
3 changed files with 36 additions and 12 deletions
--- a/gfx/layers/ImageContainer.cpp
+++ b/gfx/layers/ImageContainer.cpp
@@ -650,12 +650,11 @@ CairoImage::GetTextureClient(CompositableClient *aClient)
    return nullptr;
  }

-  if (!textureClient->Lock(OpenMode::OPEN_WRITE_ONLY)) {
+  TextureClientAutoLock autoLock(textureClient, OpenMode::OPEN_WRITE_ONLY);
+  if (!autoLock.Succeeded()) {
    return nullptr;
  }

-  TextureClientAutoUnlock autoUnlock(textureClient);
-
  textureClient->UpdateFromSurface(surface);

  textureClient->SyncWithObject(forwarder->GetSyncObject());