skia WIPjarred/canvas

1 files changed, 46 insertions, 0 deletions

diff --git a/src/deps/skia/include/core/SkPromiseImageTexture.h b/src/deps/skia/include/core/SkPromiseImageTexture.h
new file mode 100644
index 000000000..05434c094
--- /dev/null
+++ b/src/deps/skia/include/core/SkPromiseImageTexture.h
@@ -0,0 +1,46 @@
+/*
+ * Copyright 2017 Google Inc.
+ *
+ * Use of this source code is governed by a BSD-style license that can be
+ * found in the LICENSE file.
+ */
+
+#ifndef SkPromiseImageTexture_DEFINED
+#define SkPromiseImageTexture_DEFINED
+
+#include "include/core/SkTypes.h"
+
+#if SK_SUPPORT_GPU
+#include "include/core/SkRefCnt.h"
+#include "include/gpu/GrBackendSurface.h"
+/**
+ * This type is used to fulfill textures for PromiseImages. Once an instance is returned from a
+ * PromiseImageTextureFulfillProc the GrBackendTexture it wraps must remain valid until the
+ * corresponding PromiseImageTextureReleaseProc is called.
+ */
+class SK_API SkPromiseImageTexture : public SkNVRefCnt<SkPromiseImageTexture> {
+public:
+    SkPromiseImageTexture() = delete;
+    SkPromiseImageTexture(const SkPromiseImageTexture&) = delete;
+    SkPromiseImageTexture(SkPromiseImageTexture&&) = delete;
+    ~SkPromiseImageTexture();
+    SkPromiseImageTexture& operator=(const SkPromiseImageTexture&) = delete;
+    SkPromiseImageTexture& operator=(SkPromiseImageTexture&&) = delete;
+
+    static sk_sp<SkPromiseImageTexture> Make(const GrBackendTexture& backendTexture) {
+        if (!backendTexture.isValid()) {
+            return nullptr;
+        }
+        return sk_sp<SkPromiseImageTexture>(new SkPromiseImageTexture(backendTexture));
+    }
+
+    GrBackendTexture backendTexture() const { return fBackendTexture; }
+
+private:
+    explicit SkPromiseImageTexture(const GrBackendTexture& backendTexture);
+
+    GrBackendTexture fBackendTexture;
+};
+#endif // SK_SUPPORT_GPU
+
+#endif // SkPromiseImageTexture_DEFINED