Update ColorFilter API to be backed by mutable native objects
Move the native ColorFilter implementation off of Skia's
SkColorFilter and instead have a mutable intermediate object
that can be inspected.
Bug: 264559422
Test: re-ran CtsUiRenderingTestCases
Change-Id: I9ec056084f00e72632c86bdf88376b1307e8ef74
diff --git a/libs/hwui/SkiaWrapper.h b/libs/hwui/SkiaWrapper.h
new file mode 100644
index 0000000..bd0e35a
--- /dev/null
+++ b/libs/hwui/SkiaWrapper.h
@@ -0,0 +1,56 @@
+/*
+ * Copyright (C) 2023 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef SKIA_WRAPPER_H_
+#define SKIA_WRAPPER_H_
+
+#include <SkRefCnt.h>
+#include <utils/RefBase.h>
+
+namespace android::uirenderer {
+
+template <typename T>
+class SkiaWrapper : public VirtualLightRefBase {
+public:
+ sk_sp<T> getInstance() {
+ if (mInstance != nullptr && shouldDiscardInstance()) {
+ mInstance = nullptr;
+ }
+
+ if (mInstance == nullptr) {
+ mInstance = createInstance();
+ mGenerationId++;
+ }
+ return mInstance;
+ }
+
+ virtual bool shouldDiscardInstance() const { return false; }
+
+ void discardInstance() { mInstance = nullptr; }
+
+ [[nodiscard]] int32_t getGenerationId() const { return mGenerationId; }
+
+protected:
+ virtual sk_sp<T> createInstance() = 0;
+
+private:
+ sk_sp<T> mInstance = nullptr;
+ int32_t mGenerationId = 0;
+};
+
+} // namespace android::uirenderer
+
+#endif // SKIA_WRAPPER_H_