Use GrSemaphore rather than GrFence for external texture data

BUG=skia:

Change-Id: I0d23eb9dcf5c01c71d3571ef97690af68b900807
Reviewed-on: https://skia-review.googlesource.com/9141
Commit-Queue: Brian Osman <brianosman@google.com>
Reviewed-by: Greg Daniel <egdaniel@google.com>
Reviewed-by: Brian Salomon <bsalomon@google.com>

1 files changed, 24 insertions, 0 deletions

diff --git a/src/gpu/gl/GrGLExternalTextureData.cpp b/src/gpu/gl/GrGLExternalTextureData.cpp
new file mode 100644
index 0000000000..32c49b17a8
--- /dev/null
+++ b/src/gpu/gl/GrGLExternalTextureData.cpp
@@ -0,0 +1,24 @@
+/*
+ * Copyright 2017 Google Inc.
+ *
+ * Use of this source code is governed by a BSD-style license that can be
+ * found in the LICENSE file.
+ */
+
+#include "GrContext.h"
+#include "GrGpu.h"
+#include "GrSemaphore.h"
+#include "gl/GrGLTypes.h"
+
+GrGLExternalTextureData::GrGLExternalTextureData(const GrGLTextureInfo& info,
+                                                 sk_sp<GrSemaphore> semaphore)
+        : fInfo(info)
+        , fSemaphore(std::move(semaphore)) {
+    SkASSERT(fSemaphore->unique());
+    fSemaphore->resetGpu(nullptr);
+}
+
+void GrGLExternalTextureData::attachToContext(GrContext* context) {
+    fSemaphore->resetGpu(context->getGpu());
+    context->getGpu()->waitSemaphore(fSemaphore);
+}