RE-on-SK The First Steps
Lots of stuff is broken, but it puts things on screen
Test: enable via setprop, force gpu comp
Bug: 164223050
Change-Id: I443f751f5db95fbe9f4ee9294e3bace6e213545e
diff --git a/libs/renderengine/skia/SkiaGLRenderEngine.h b/libs/renderengine/skia/SkiaGLRenderEngine.h
new file mode 100644
index 0000000..eb098cb
--- /dev/null
+++ b/libs/renderengine/skia/SkiaGLRenderEngine.h
@@ -0,0 +1,93 @@
+/*
+ * Copyright 2020 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_SKIAGLRENDERENGINE_H_
+#define SF_SKIAGLRENDERENGINE_H_
+
+#include <sys/types.h>
+#include <mutex>
+#include <unordered_map>
+
+#include <android-base/thread_annotations.h>
+#include <renderengine/RenderEngine.h>
+
+#include <GrDirectContext.h>
+#include <SkSurface.h>
+
+#include "SkiaRenderEngine.h"
+
+namespace android {
+namespace renderengine {
+namespace skia {
+
+class SkiaGLRenderEngine : public skia::SkiaRenderEngine {
+public:
+ static std::unique_ptr<SkiaGLRenderEngine> create(const RenderEngineCreationArgs& args);
+ SkiaGLRenderEngine(const RenderEngineCreationArgs& args, EGLDisplay display, EGLConfig config,
+ EGLContext ctxt, EGLSurface placeholder, EGLContext protectedContext,
+ EGLSurface protectedPlaceholder);
+ ~SkiaGLRenderEngine() override{};
+
+ void unbindExternalTextureBuffer(uint64_t bufferId) override;
+ status_t drawLayers(const DisplaySettings& display,
+ const std::vector<const LayerSettings*>& layers,
+ const sp<GraphicBuffer>& buffer, const bool useFramebufferCache,
+ base::unique_fd&& bufferFence, base::unique_fd* drawFence) override;
+ void cleanFramebufferCache() override;
+
+protected:
+ void dump(std::string& /*result*/) override{};
+ size_t getMaxTextureSize() const override;
+ size_t getMaxViewportDims() const override;
+
+private:
+ static EGLConfig chooseEglConfig(EGLDisplay display, int format, bool logConfig);
+ static EGLContext createEglContext(EGLDisplay display, EGLConfig config,
+ EGLContext shareContext, bool useContextPriority,
+ Protection protection);
+ static EGLSurface createPlaceholderEglPbufferSurface(EGLDisplay display, EGLConfig config,
+ int hwcFormat, Protection protection);
+
+ base::unique_fd flush();
+ bool waitFence(base::unique_fd fenceFd);
+
+ EGLDisplay mEGLDisplay;
+ EGLConfig mEGLConfig;
+ EGLContext mEGLContext;
+ EGLSurface mPlaceholderSurface;
+ EGLContext mProtectedEGLContext;
+ EGLSurface mProtectedPlaceholderSurface;
+
+ // Cache of GL images that we'll store per GraphicBuffer ID
+ std::unordered_map<uint64_t, sk_sp<SkImage>> mImageCache GUARDED_BY(mRenderingMutex);
+ // Mutex guarding rendering operations, so that:
+ // 1. GL operations aren't interleaved, and
+ // 2. Internal state related to rendering that is potentially modified by
+ // multiple threads is guaranteed thread-safe.
+ std::mutex mRenderingMutex;
+
+ sp<Fence> mLastDrawFence;
+
+ sk_sp<GrDirectContext> mGrContext;
+
+ std::unordered_map<uint64_t, sk_sp<SkSurface>> mSurfaceCache;
+};
+
+} // namespace skia
+} // namespace renderengine
+} // namespace android
+
+#endif /* SF_GLESRENDERENGINE_H_ */
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