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/*
* Copyright (C) 2018 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.
*/
#include "WebViewFunctorManager.h"
#include <private/hwui/WebViewFunctor.h>
#include "Properties.h"
#include "renderthread/RenderThread.h"
#include <log/log.h>
#include <utils/Trace.h>
#include <atomic>
namespace android::uirenderer {
RenderMode WebViewFunctor_queryPlatformRenderMode() {
auto pipelineType = Properties::getRenderPipelineType();
switch (pipelineType) {
case RenderPipelineType::SkiaGL:
return RenderMode::OpenGL_ES;
case RenderPipelineType::SkiaVulkan:
return RenderMode::Vulkan;
default:
LOG_ALWAYS_FATAL("Unknown render pipeline type: %d", (int)pipelineType);
}
}
int WebViewFunctor_create(void* data, const WebViewFunctorCallbacks& prototype,
RenderMode functorMode) {
if (functorMode != RenderMode::OpenGL_ES && functorMode != RenderMode::Vulkan) {
ALOGW("Unknown rendermode %d", (int)functorMode);
return -1;
}
if (functorMode == RenderMode::Vulkan &&
WebViewFunctor_queryPlatformRenderMode() != RenderMode::Vulkan) {
ALOGW("Unable to map from GLES platform to a vulkan functor");
return -1;
}
return WebViewFunctorManager::instance().createFunctor(data, prototype, functorMode);
}
void WebViewFunctor_release(int functor) {
WebViewFunctorManager::instance().releaseFunctor(functor);
}
static std::atomic_int sNextId{1};
WebViewFunctor::WebViewFunctor(void* data, const WebViewFunctorCallbacks& callbacks,
RenderMode functorMode)
: mData(data) {
mFunctor = sNextId++;
mCallbacks = callbacks;
mMode = functorMode;
}
WebViewFunctor::~WebViewFunctor() {
destroyContext();
ATRACE_NAME("WebViewFunctor::onDestroy");
mCallbacks.onDestroyed(mFunctor, mData);
}
void WebViewFunctor::sync(const WebViewSyncData& syncData) const {
ATRACE_NAME("WebViewFunctor::sync");
mCallbacks.onSync(mFunctor, mData, syncData);
}
void WebViewFunctor::drawGl(const DrawGlInfo& drawInfo) {
ATRACE_NAME("WebViewFunctor::drawGl");
if (!mHasContext) {
mHasContext = true;
}
mCallbacks.gles.draw(mFunctor, mData, drawInfo);
}
void WebViewFunctor::initVk(const VkFunctorInitParams& params) {
ATRACE_NAME("WebViewFunctor::initVk");
if (!mHasContext) {
mHasContext = true;
} else {
return;
}
mCallbacks.vk.initialize(mFunctor, mData, params);
}
void WebViewFunctor::drawVk(const VkFunctorDrawParams& params) {
ATRACE_NAME("WebViewFunctor::drawVk");
mCallbacks.vk.draw(mFunctor, mData, params);
}
void WebViewFunctor::postDrawVk() {
ATRACE_NAME("WebViewFunctor::postDrawVk");
mCallbacks.vk.postDraw(mFunctor, mData);
}
void WebViewFunctor::destroyContext() {
if (mHasContext) {
mHasContext = false;
ATRACE_NAME("WebViewFunctor::onContextDestroyed");
mCallbacks.onContextDestroyed(mFunctor, mData);
// grContext may be null in unit tests.
auto* grContext = renderthread::RenderThread::getInstance().getGrContext();
if (grContext) grContext->resetContext();
}
}
WebViewFunctorManager& WebViewFunctorManager::instance() {
static WebViewFunctorManager sInstance;
return sInstance;
}
int WebViewFunctorManager::createFunctor(void* data, const WebViewFunctorCallbacks& callbacks,
RenderMode functorMode) {
auto object = std::make_unique<WebViewFunctor>(data, callbacks, functorMode);
int id = object->id();
auto handle = object->createHandle();
{
std::lock_guard _lock{mLock};
mActiveFunctors.push_back(std::move(handle));
mFunctors.push_back(std::move(object));
}
return id;
}
void WebViewFunctorManager::releaseFunctor(int functor) {
sp<WebViewFunctor::Handle> toRelease;
{
std::lock_guard _lock{mLock};
for (auto iter = mActiveFunctors.begin(); iter != mActiveFunctors.end(); iter++) {
if ((*iter)->id() == functor) {
toRelease = std::move(*iter);
mActiveFunctors.erase(iter);
break;
}
}
}
}
void WebViewFunctorManager::onContextDestroyed() {
// WARNING: SKETCHY
// Because we know that we always remove from mFunctors on RenderThread, the same
// thread that always invokes onContextDestroyed, we know that the functor pointers
// will remain valid without the lock held.
// However, we won't block new functors from being added in the meantime.
mLock.lock();
const size_t size = mFunctors.size();
WebViewFunctor* toDestroyContext[size];
for (size_t i = 0; i < size; i++) {
toDestroyContext[i] = mFunctors[i].get();
}
mLock.unlock();
for (size_t i = 0; i < size; i++) {
toDestroyContext[i]->destroyContext();
}
}
void WebViewFunctorManager::destroyFunctor(int functor) {
std::unique_ptr<WebViewFunctor> toRelease;
{
std::lock_guard _lock{mLock};
for (auto iter = mFunctors.begin(); iter != mFunctors.end(); iter++) {
if ((*iter)->id() == functor) {
toRelease = std::move(*iter);
mFunctors.erase(iter);
break;
}
}
}
}
sp<WebViewFunctor::Handle> WebViewFunctorManager::handleFor(int functor) {
std::lock_guard _lock{mLock};
for (auto& iter : mActiveFunctors) {
if (iter->id() == functor) {
return iter;
}
}
return nullptr;
}
} // namespace android::uirenderer
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