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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 "Frame.h"
#include "GlLayer.h"
#include "ProfileRenderer.h"
#include "renderstate/RenderState.h"
#include "OpenGLReadback.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);
ProfileRenderer profileRenderer(renderer);
profiler->draw(profileRenderer);
drew = renderer.didDraw();
// post frame cleanup
caches.clearGarbage();
caches.pathCache.trim();
caches.tessellationCache.trim();
#if DEBUG_MEMORY_USAGE
caches.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) {
ATRACE_CALL();
// acquire most recent buffer for drawing
layer->updateTexImage();
layer->apply();
return OpenGLReadbackImpl::copyLayerInto(mRenderThread,
static_cast<GlLayer&>(*layer->backingLayer()), bitmap);
}
static Layer* createLayer(RenderState& renderState, uint32_t layerWidth, uint32_t layerHeight,
SkColorFilter* colorFilter, int alpha, SkBlendMode mode, bool blend) {
GlLayer* layer = new GlLayer(renderState, layerWidth, layerHeight, colorFilter, alpha,
mode, blend);
Caches::getInstance().textureState().activateTexture(0);
layer->generateTexture();
return layer;
}
DeferredLayerUpdater* OpenGLPipeline::createTextureLayer() {
mEglManager.initialize();
return new DeferredLayerUpdater(mRenderThread.renderState(), createLayer, Layer::Api::OpenGL);
}
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() {
Caches& caches = Caches::getInstance();
// Make sure to release all the textures we were owning as there won't
// be another draw
caches.textureCache.resetMarkInUse(this);
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;
}
static bool layerMatchesWH(OffscreenBuffer* layer, int width, int height) {
return layer->viewportWidth == (uint32_t)width && layer->viewportHeight == (uint32_t)height;
}
bool OpenGLPipeline::createOrUpdateLayer(RenderNode* node,
const DamageAccumulator& damageAccumulator) {
RenderState& renderState = mRenderThread.renderState();
OffscreenBufferPool& layerPool = renderState.layerPool();
bool transformUpdateNeeded = false;
if (node->getLayer() == nullptr) {
node->setLayer(layerPool.get(renderState, node->getWidth(), node->getHeight()));
transformUpdateNeeded = true;
} else if (!layerMatchesWH(node->getLayer(), node->getWidth(), node->getHeight())) {
// TODO: remove now irrelevant, currently enqueued damage (respecting damage ordering)
// Or, ideally, maintain damage between frames on node/layer so ordering is always correct
if (node->properties().fitsOnLayer()) {
node->setLayer(layerPool.resize(node->getLayer(), node->getWidth(), node->getHeight()));
} else {
destroyLayer(node);
}
transformUpdateNeeded = true;
}
if (transformUpdateNeeded && node->getLayer()) {
// update the transform in window of the layer to reset its origin wrt light source position
Matrix4 windowTransform;
damageAccumulator.computeCurrentTransform(&windowTransform);
node->getLayer()->setWindowTransform(windowTransform);
}
return transformUpdateNeeded;
}
bool OpenGLPipeline::pinImages(LsaVector<sk_sp<Bitmap>>& images) {
TextureCache& cache = Caches::getInstance().textureCache;
bool prefetchSucceeded = true;
for (auto& bitmapResource : images) {
prefetchSucceeded &= cache.prefetchAndMarkInUse(this, bitmapResource.get());
}
return prefetchSucceeded;
}
void OpenGLPipeline::unpinImages() {
Caches::getInstance().textureCache.resetMarkInUse(this);
}
void OpenGLPipeline::destroyLayer(RenderNode* node) {
if (OffscreenBuffer* layer = node->getLayer()) {
layer->renderState.layerPool().putOrDelete(layer);
node->setLayer(nullptr);
}
}
void OpenGLPipeline::prepareToDraw(const RenderThread& thread, Bitmap* bitmap) {
if (Caches::hasInstance() && thread.eglManager().hasEglContext()) {
ATRACE_NAME("Bitmap#prepareToDraw task");
Caches::getInstance().textureCache.prefetch(bitmap);
}
}
void OpenGLPipeline::invokeFunctor(const RenderThread& thread, Functor* functor) {
DrawGlInfo::Mode mode = DrawGlInfo::kModeProcessNoContext;
if (thread.eglManager().hasEglContext()) {
mode = DrawGlInfo::kModeProcess;
}
thread.renderState().invokeFunctor(functor, mode, nullptr);
}
} /* namespace renderthread */
} /* namespace uirenderer */
} /* namespace android */