| /* |
| * 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 <EGL/egl.h> |
| #include <EGL/eglext.h> |
| #include <GLES2/gl2.h> |
| #include <GrDirectContext.h> |
| #include <SkSurface.h> |
| #include <android-base/thread_annotations.h> |
| #include <renderengine/ExternalTexture.h> |
| #include <renderengine/RenderEngine.h> |
| #include <sys/types.h> |
| |
| #include <mutex> |
| #include <unordered_map> |
| |
| #include "AutoBackendTexture.h" |
| #include "EGL/egl.h" |
| #include "GrContextOptions.h" |
| #include "SkImageInfo.h" |
| #include "SkiaRenderEngine.h" |
| #include "android-base/macros.h" |
| #include "debug/SkiaCapture.h" |
| #include "filters/BlurFilter.h" |
| #include "filters/LinearEffect.h" |
| #include "filters/StretchShaderFactory.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, EGLContext ctxt, |
| EGLSurface placeholder, EGLContext protectedContext, |
| EGLSurface protectedPlaceholder); |
| ~SkiaGLRenderEngine() override EXCLUDES(mRenderingMutex); |
| |
| std::future<void> primeCache() override; |
| status_t drawLayers(const DisplaySettings& display, |
| const std::vector<const LayerSettings*>& layers, |
| const std::shared_ptr<ExternalTexture>& buffer, |
| const bool useFramebufferCache, base::unique_fd&& bufferFence, |
| base::unique_fd* drawFence) override; |
| void cleanupPostRender() override; |
| void cleanFramebufferCache() override{}; |
| int getContextPriority() override; |
| bool isProtected() const override { return mInProtectedContext; } |
| bool supportsProtectedContent() const override; |
| void useProtectedContext(bool useProtectedContext) override; |
| bool supportsBackgroundBlur() override { return mBlurFilter != nullptr; } |
| void assertShadersCompiled(int numShaders) override; |
| void onActiveDisplaySizeChanged(ui::Size size) override; |
| int reportShadersCompiled() override; |
| |
| protected: |
| void dump(std::string& result) override; |
| size_t getMaxTextureSize() const override; |
| size_t getMaxViewportDims() const override; |
| void mapExternalTextureBuffer(const sp<GraphicBuffer>& buffer, bool isRenderable) override; |
| void unmapExternalTextureBuffer(const sp<GraphicBuffer>& buffer) override; |
| bool canSkipPostRenderCleanup() const override; |
| |
| private: |
| static EGLConfig chooseEglConfig(EGLDisplay display, int format, bool logConfig); |
| static EGLContext createEglContext(EGLDisplay display, EGLConfig config, |
| EGLContext shareContext, |
| std::optional<ContextPriority> contextPriority, |
| Protection protection); |
| static std::optional<RenderEngine::ContextPriority> createContextPriority( |
| const RenderEngineCreationArgs& args); |
| static EGLSurface createPlaceholderEglPbufferSurface(EGLDisplay display, EGLConfig config, |
| int hwcFormat, Protection protection); |
| inline SkRect getSkRect(const FloatRect& layer); |
| inline SkRect getSkRect(const Rect& layer); |
| inline std::pair<SkRRect, SkRRect> getBoundsAndClip(const FloatRect& bounds, |
| const FloatRect& crop, float cornerRadius); |
| inline bool layerHasBlur(const LayerSettings* layer, bool colorTransformModifiesAlpha); |
| inline SkColor getSkColor(const vec4& color); |
| inline SkM44 getSkM44(const mat4& matrix); |
| inline SkPoint3 getSkPoint3(const vec3& vector); |
| inline GrDirectContext* getActiveGrContext() const; |
| |
| base::unique_fd flush(); |
| bool waitFence(base::unique_fd fenceFd); |
| void initCanvas(SkCanvas* canvas, const DisplaySettings& display); |
| void drawShadow(SkCanvas* canvas, const SkRRect& casterRRect, |
| const ShadowSettings& shadowSettings); |
| // If requiresLinearEffect is true or the layer has a stretchEffect a new shader is returned. |
| // Otherwise it returns the input shader. |
| sk_sp<SkShader> createRuntimeEffectShader(sk_sp<SkShader> shader, |
| const LayerSettings* layer, |
| const DisplaySettings& display, |
| bool undoPremultipliedAlpha, |
| bool requiresLinearEffect); |
| |
| EGLDisplay mEGLDisplay; |
| EGLContext mEGLContext; |
| EGLSurface mPlaceholderSurface; |
| EGLContext mProtectedEGLContext; |
| EGLSurface mProtectedPlaceholderSurface; |
| BlurFilter* mBlurFilter = nullptr; |
| |
| const PixelFormat mDefaultPixelFormat; |
| const bool mUseColorManagement; |
| |
| // Identifier used or various mappings of layers to various |
| // textures or shaders |
| using GraphicBufferId = uint64_t; |
| |
| // Number of external holders of ExternalTexture references, per GraphicBuffer ID. |
| std::unordered_map<GraphicBufferId, int32_t> mGraphicBufferExternalRefs |
| GUARDED_BY(mRenderingMutex); |
| // Cache of GL textures that we'll store per GraphicBuffer ID, shared between GPU contexts. |
| std::unordered_map<GraphicBufferId, std::shared_ptr<AutoBackendTexture::LocalRef>> mTextureCache |
| GUARDED_BY(mRenderingMutex); |
| std::unordered_map<LinearEffect, sk_sp<SkRuntimeEffect>, LinearEffectHasher> mRuntimeEffects; |
| AutoBackendTexture::CleanupManager mTextureCleanupMgr GUARDED_BY(mRenderingMutex); |
| |
| StretchShaderFactory mStretchShaderFactory; |
| // 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. |
| mutable std::mutex mRenderingMutex; |
| |
| sp<Fence> mLastDrawFence; |
| |
| // Graphics context used for creating surfaces and submitting commands |
| sk_sp<GrDirectContext> mGrContext; |
| // Same as above, but for protected content (eg. DRM) |
| sk_sp<GrDirectContext> mProtectedGrContext; |
| |
| bool mInProtectedContext = false; |
| // Object to capture commands send to Skia. |
| std::unique_ptr<SkiaCapture> mCapture; |
| |
| // Implements PersistentCache as a way to monitor what SkSL shaders Skia has |
| // cached. |
| class SkSLCacheMonitor : public GrContextOptions::PersistentCache { |
| public: |
| SkSLCacheMonitor() = default; |
| ~SkSLCacheMonitor() override = default; |
| |
| sk_sp<SkData> load(const SkData& key) override; |
| |
| void store(const SkData& key, const SkData& data, const SkString& description) override; |
| |
| int shadersCachedSinceLastCall() { |
| const int shadersCachedSinceLastCall = mShadersCachedSinceLastCall; |
| mShadersCachedSinceLastCall = 0; |
| return shadersCachedSinceLastCall; |
| } |
| |
| private: |
| int mShadersCachedSinceLastCall = 0; |
| }; |
| |
| SkSLCacheMonitor mSkSLCacheMonitor; |
| }; |
| |
| } // namespace skia |
| } // namespace renderengine |
| } // namespace android |
| |
| #endif /* SF_GLESRENDERENGINE_H_ */ |