1 /* 2 * Copyright (C) 2018 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 #ifndef FRAMEWORKS_BASE_WEBVIEWFUNCTOR_H 18 #define FRAMEWORKS_BASE_WEBVIEWFUNCTOR_H 19 20 #include <cutils/compiler.h> 21 #include <private/hwui/DrawGlInfo.h> 22 #include <private/hwui/DrawVkInfo.h> 23 24 namespace android::uirenderer { 25 26 enum class RenderMode { 27 OpenGL_ES, 28 Vulkan, 29 }; 30 31 // Static for the lifetime of the process 32 ANDROID_API RenderMode WebViewFunctor_queryPlatformRenderMode(); 33 34 struct WebViewSyncData { 35 bool applyForceDark; 36 }; 37 38 struct WebViewFunctorCallbacks { 39 // kModeSync, called on RenderThread 40 void (*onSync)(int functor, void* data, const WebViewSyncData& syncData); 41 42 // Called when either the context is destroyed _or_ when the functor's last reference goes 43 // away. Will always be called with an active context and always on renderthread. 44 void (*onContextDestroyed)(int functor, void* data); 45 46 // Called when the last reference to the handle goes away and the handle is considered 47 // irrevocably destroyed. Will always be proceeded by a call to onContextDestroyed if 48 // this functor had ever been drawn. 49 void (*onDestroyed)(int functor, void* data); 50 51 union { 52 struct { 53 // Called on RenderThread. initialize is guaranteed to happen before this call 54 void (*draw)(int functor, void* data, const DrawGlInfo& params); 55 } gles; 56 struct { 57 // Called either the first time the functor is used or the first time it's used after 58 // a call to onContextDestroyed. 59 void (*initialize)(int functor, void* data, const VkFunctorInitParams& params); 60 void (*draw)(int functor, void* data, const VkFunctorDrawParams& params); 61 void (*postDraw)(int functor, void*); 62 } vk; 63 }; 64 }; 65 66 // Creates a new WebViewFunctor from the given prototype. The prototype is copied after 67 // this function returns. Caller retains full ownership of it. 68 // Returns -1 if the creation fails (such as an unsupported functorMode + platform mode combination) 69 ANDROID_API int WebViewFunctor_create(void* data, const WebViewFunctorCallbacks& prototype, RenderMode functorMode); 70 71 // May be called on any thread to signal that the functor should be destroyed. 72 // The functor will receive an onDestroyed when the last usage of it is released, 73 // and it should be considered alive & active until that point. 74 ANDROID_API void WebViewFunctor_release(int functor); 75 76 } // namespace android::uirenderer 77 78 #endif // FRAMEWORKS_BASE_WEBVIEWFUNCTOR_H 79