gpu: add force_ctx_0 calls prior to each gpu command

BUG=None
TEST=build with --features=gpu; null_platform_test

Change-Id: Ib7aab8b2f0d7e1523df49360ab99677b59ce6052
Reviewed-on: https://chromium-review.googlesource.com/1073960
Commit-Ready: David Riley <davidriley@chromium.org>
Tested-by: David Riley <davidriley@chromium.org>
Reviewed-by: Zach Reizner <zachr@chromium.org>

1 files changed, 4 insertions, 0 deletions

diff --git a/gpu_renderer/src/lib.rs b/gpu_renderer/src/lib.rs
index 9e687ed..09d5949 100644
--- a/gpu_renderer/src/lib.rs
+++ b/gpu_renderer/src/lib.rs
@@ -594,6 +594,10 @@ impl Renderer {
         };
         ret_to_res(ret)
     }
+
+    pub fn force_ctx_0(&self) {
+        unsafe { virgl_renderer_force_ctx_0() };
+    }
 }
 
 /// A context in which resources can be attached/detached and commands can be submitted.