Add SkiaVk backend to RenderEngine
This CL adds a new backend, SkiaVk, to RenderEngine.
The new functionality is to create a Vulkan device/instance (possibly
protected) and handle flush/waitFence via VkSemaphores fed to
GrBackendSemaphores.
+ make ctors of GLES/Vk RE's private so as to ensure GrContexts are
created
Test: atest librenderengine_test
Bug: 236390072
Change-Id: I69119623b194885bcc4cf2ddc8e592576b713b19
diff --git a/libs/renderengine/skia/SkiaVkRenderEngine.h b/libs/renderengine/skia/SkiaVkRenderEngine.h
new file mode 100644
index 0000000..2e0cf45
--- /dev/null
+++ b/libs/renderengine/skia/SkiaVkRenderEngine.h
@@ -0,0 +1,58 @@
+/*
+ * Copyright 2022 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 SF_SKIAVKRENDERENGINE_H_
+#define SF_SKIAVKRENDERENGINE_H_
+
+#include <vk/GrVkBackendContext.h>
+
+#include "SkiaRenderEngine.h"
+
+namespace android {
+namespace renderengine {
+namespace skia {
+
+class SkiaVkRenderEngine : public SkiaRenderEngine {
+public:
+ // Returns false if Vulkan implementation can't support SkiaVkRenderEngine.
+ static bool canSupportSkiaVkRenderEngine();
+ static std::unique_ptr<SkiaVkRenderEngine> create(const RenderEngineCreationArgs& args);
+ ~SkiaVkRenderEngine() override;
+
+ int getContextPriority() override;
+
+protected:
+ // Implementations of abstract SkiaRenderEngine functions specific to
+ // rendering backend
+ virtual SkiaRenderEngine::Contexts createDirectContexts(const GrContextOptions& options);
+ bool supportsProtectedContentImpl() const override;
+ bool useProtectedContextImpl(GrProtected isProtected) override;
+ void waitFence(GrDirectContext* grContext, base::borrowed_fd fenceFd) override;
+ base::unique_fd flushAndSubmit(GrDirectContext* context) override;
+ void appendBackendSpecificInfoToDump(std::string& result) override;
+
+private:
+ SkiaVkRenderEngine(const RenderEngineCreationArgs& args);
+ base::unique_fd flush();
+
+ GrVkBackendContext mBackendContext;
+};
+
+} // namespace skia
+} // namespace renderengine
+} // namespace android
+
+#endif