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Diffstat (limited to 'libs/renderengine/skia/SkiaGLRenderEngine.h')
-rw-r--r-- | libs/renderengine/skia/SkiaGLRenderEngine.h | 183 |
1 files changed, 183 insertions, 0 deletions
diff --git a/libs/renderengine/skia/SkiaGLRenderEngine.h b/libs/renderengine/skia/SkiaGLRenderEngine.h new file mode 100644 index 0000000000..a852bbcaf8 --- /dev/null +++ b/libs/renderengine/skia/SkiaGLRenderEngine.h @@ -0,0 +1,183 @@ +/* + * 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 onPrimaryDisplaySizeChanged(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_ */ |