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/*
* Copyright (C) 2016 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 "OpenGLPipeline.h"
#include "DeferredLayerUpdater.h"
#include "EglManager.h"
#include "renderstate/RenderState.h"
#include "Readback.h"
#include <android/native_window.h>
#include <cutils/properties.h>
#include <strings.h>
namespace android {
namespace uirenderer {
namespace renderthread {
OpenGLPipeline::OpenGLPipeline(RenderThread& thread)
: mEglManager(thread.eglManager()), mRenderThread(thread) {
}
MakeCurrentResult OpenGLPipeline::makeCurrent() {
// TODO: Figure out why this workaround is needed, see b/13913604
// In the meantime this matches the behavior of GLRenderer, so it is not a regression
EGLint error = 0;
bool haveNewSurface = mEglManager.makeCurrent(mEglSurface, &error);
Caches::getInstance().textureCache.resetMarkInUse(this);
if (!haveNewSurface) {
return MakeCurrentResult::AlreadyCurrent;
}
return error ? MakeCurrentResult::Failed : MakeCurrentResult::Succeeded;
}
Frame OpenGLPipeline::getFrame() {
LOG_ALWAYS_FATAL_IF(mEglSurface == EGL_NO_SURFACE,
"drawRenderNode called on a context with no surface!");
return mEglManager.beginFrame(mEglSurface);
}
bool OpenGLPipeline::draw(const Frame& frame, const SkRect& screenDirty, const SkRect& dirty,
const FrameBuilder::LightGeometry& lightGeometry,
LayerUpdateQueue* layerUpdateQueue,
const Rect& contentDrawBounds, bool opaque,
const BakedOpRenderer::LightInfo& lightInfo,
const std::vector< sp<RenderNode> >& renderNodes,
FrameInfoVisualizer* profiler) {
mEglManager.damageFrame(frame, dirty);
bool drew = false;
auto& caches = Caches::getInstance();
FrameBuilder frameBuilder(dirty, frame.width(), frame.height(), lightGeometry, caches);
frameBuilder.deferLayers(*layerUpdateQueue);
layerUpdateQueue->clear();
frameBuilder.deferRenderNodeScene(renderNodes, contentDrawBounds);
BakedOpRenderer renderer(caches, mRenderThread.renderState(),
opaque, lightInfo);
frameBuilder.replayBakedOps<BakedOpDispatcher>(renderer);
profiler->draw(&renderer);
drew = renderer.didDraw();
// post frame cleanup
caches.clearGarbage();
caches.pathCache.trim();
caches.tessellationCache.trim();
#if DEBUG_MEMORY_USAGE
mCaches.dumpMemoryUsage();
#else
if (CC_UNLIKELY(Properties::debugLevel & kDebugMemory)) {
caches.dumpMemoryUsage();
}
#endif
return drew;
}
bool OpenGLPipeline::swapBuffers(const Frame& frame, bool drew, const SkRect& screenDirty,
FrameInfo* currentFrameInfo, bool* requireSwap) {
GL_CHECKPOINT(LOW);
// Even if we decided to cancel the frame, from the perspective of jank
// metrics the frame was swapped at this point
currentFrameInfo->markSwapBuffers();
*requireSwap = drew || mEglManager.damageRequiresSwap();
if (*requireSwap && (CC_UNLIKELY(!mEglManager.swapBuffers(frame, screenDirty)))) {
return false;
}
return *requireSwap;
}
bool OpenGLPipeline::copyLayerInto(DeferredLayerUpdater* layer, SkBitmap* bitmap) {
layer->apply();
return Readback::copyTextureLayerInto(mRenderThread, *(layer->backingLayer()), bitmap)
== CopyResult::Success;
}
DeferredLayerUpdater* OpenGLPipeline::createTextureLayer() {
mEglManager.initialize();
Layer* layer = new Layer(mRenderThread.renderState(), 0, 0);
Caches::getInstance().textureState().activateTexture(0);
layer->generateTexture();
return new DeferredLayerUpdater(layer);
}
void OpenGLPipeline::onStop() {
if (mEglManager.isCurrent(mEglSurface)) {
mEglManager.makeCurrent(EGL_NO_SURFACE);
}
}
bool OpenGLPipeline::setSurface(Surface* surface, SwapBehavior swapBehavior) {
if (mEglSurface != EGL_NO_SURFACE) {
mEglManager.destroySurface(mEglSurface);
mEglSurface = EGL_NO_SURFACE;
}
if (surface) {
mEglSurface = mEglManager.createSurface(surface);
}
if (mEglSurface != EGL_NO_SURFACE) {
const bool preserveBuffer = (swapBehavior != SwapBehavior::kSwap_discardBuffer);
mBufferPreserved = mEglManager.setPreserveBuffer(mEglSurface, preserveBuffer);
return true;
}
return false;
}
bool OpenGLPipeline::isSurfaceReady() {
return CC_UNLIKELY(mEglSurface != EGL_NO_SURFACE);
}
bool OpenGLPipeline::isContextReady() {
return CC_LIKELY(mEglManager.hasEglContext());
}
void OpenGLPipeline::onDestroyHardwareResources() {
mRenderThread.renderState().flush(Caches::FlushMode::Layers);
}
void OpenGLPipeline::renderLayers(const FrameBuilder::LightGeometry& lightGeometry,
LayerUpdateQueue* layerUpdateQueue, bool opaque,
const BakedOpRenderer::LightInfo& lightInfo) {
static const std::vector< sp<RenderNode> > emptyNodeList;
auto& caches = Caches::getInstance();
FrameBuilder frameBuilder(*layerUpdateQueue, lightGeometry, caches);
layerUpdateQueue->clear();
BakedOpRenderer renderer(caches, mRenderThread.renderState(),
opaque, lightInfo);
LOG_ALWAYS_FATAL_IF(renderer.didDraw(), "shouldn't draw in buildlayer case");
frameBuilder.replayBakedOps<BakedOpDispatcher>(renderer);
}
TaskManager* OpenGLPipeline::getTaskManager() {
return &Caches::getInstance().tasks;
}
} /* namespace renderthread */
} /* namespace uirenderer */
} /* namespace android */
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