OpenGLPipeline.cpp revision b7d34b64dd32e3d84bd43344c9c3d9ad098129af 
1/*
2 * Copyright (C) 2016 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#include "OpenGLPipeline.h"
18
19#include "DeferredLayerUpdater.h"
20#include "EglManager.h"
21#include "ProfileRenderer.h"
22#include "renderstate/RenderState.h"
23#include "Readback.h"
24
25#include <android/native_window.h>
26#include <cutils/properties.h>
27#include <strings.h>
28
29namespace android {
30namespace uirenderer {
31namespace renderthread {
32
33OpenGLPipeline::OpenGLPipeline(RenderThread& thread)
34        :  mEglManager(thread.eglManager())
35        , mRenderThread(thread) {
36}
37
38MakeCurrentResult OpenGLPipeline::makeCurrent() {
39    // TODO: Figure out why this workaround is needed, see b/13913604
40    // In the meantime this matches the behavior of GLRenderer, so it is not a regression
41    EGLint error = 0;
42    bool haveNewSurface = mEglManager.makeCurrent(mEglSurface, &error);
43
44    Caches::getInstance().textureCache.resetMarkInUse(this);
45    if (!haveNewSurface) {
46        return MakeCurrentResult::AlreadyCurrent;
47    }
48    return error ? MakeCurrentResult::Failed : MakeCurrentResult::Succeeded;
49}
50
51Frame OpenGLPipeline::getFrame() {
52    LOG_ALWAYS_FATAL_IF(mEglSurface == EGL_NO_SURFACE,
53                "drawRenderNode called on a context with no surface!");
54    return mEglManager.beginFrame(mEglSurface);
55}
56
57bool OpenGLPipeline::draw(const Frame& frame, const SkRect& screenDirty, const SkRect& dirty,
58        const FrameBuilder::LightGeometry& lightGeometry,
59        LayerUpdateQueue* layerUpdateQueue,
60        const Rect& contentDrawBounds, bool opaque,
61        const BakedOpRenderer::LightInfo& lightInfo,
62        const std::vector< sp<RenderNode> >& renderNodes,
63        FrameInfoVisualizer* profiler) {
64
65    mEglManager.damageFrame(frame, dirty);
66
67    bool drew = false;
68
69
70    auto& caches = Caches::getInstance();
71    FrameBuilder frameBuilder(dirty, frame.width(), frame.height(), lightGeometry, caches);
72
73    frameBuilder.deferLayers(*layerUpdateQueue);
74    layerUpdateQueue->clear();
75
76    frameBuilder.deferRenderNodeScene(renderNodes, contentDrawBounds);
77
78    BakedOpRenderer renderer(caches, mRenderThread.renderState(),
79            opaque, lightInfo);
80    frameBuilder.replayBakedOps<BakedOpDispatcher>(renderer);
81    ProfileRenderer profileRenderer(renderer);
82    profiler->draw(profileRenderer);
83    drew = renderer.didDraw();
84
85    // post frame cleanup
86    caches.clearGarbage();
87    caches.pathCache.trim();
88    caches.tessellationCache.trim();
89
90#if DEBUG_MEMORY_USAGE
91    mCaches.dumpMemoryUsage();
92#else
93    if (CC_UNLIKELY(Properties::debugLevel & kDebugMemory)) {
94        caches.dumpMemoryUsage();
95    }
96#endif
97
98    return drew;
99}
100
101bool OpenGLPipeline::swapBuffers(const Frame& frame, bool drew, const SkRect& screenDirty,
102        FrameInfo* currentFrameInfo, bool* requireSwap) {
103
104    GL_CHECKPOINT(LOW);
105
106    // Even if we decided to cancel the frame, from the perspective of jank
107    // metrics the frame was swapped at this point
108    currentFrameInfo->markSwapBuffers();
109
110    *requireSwap = drew || mEglManager.damageRequiresSwap();
111
112    if (*requireSwap && (CC_UNLIKELY(!mEglManager.swapBuffers(frame, screenDirty)))) {
113        return false;
114    }
115
116    return *requireSwap;
117}
118
119bool OpenGLPipeline::copyLayerInto(DeferredLayerUpdater* layer, SkBitmap* bitmap) {
120    layer->apply();
121    return Readback::copyTextureLayerInto(mRenderThread, *(layer->backingLayer()), bitmap)
122            == CopyResult::Success;
123}
124
125DeferredLayerUpdater* OpenGLPipeline::createTextureLayer() {
126    mEglManager.initialize();
127    Layer* layer = new Layer(mRenderThread.renderState(), 0, 0);
128    Caches::getInstance().textureState().activateTexture(0);
129    layer->generateTexture();
130
131    return new DeferredLayerUpdater(layer);
132}
133
134void OpenGLPipeline::onStop() {
135    if (mEglManager.isCurrent(mEglSurface)) {
136        mEglManager.makeCurrent(EGL_NO_SURFACE);
137    }
138}
139
140bool OpenGLPipeline::setSurface(Surface* surface, SwapBehavior swapBehavior) {
141
142    if (mEglSurface != EGL_NO_SURFACE) {
143        mEglManager.destroySurface(mEglSurface);
144        mEglSurface = EGL_NO_SURFACE;
145    }
146
147    if (surface) {
148        mEglSurface = mEglManager.createSurface(surface);
149    }
150
151    if (mEglSurface != EGL_NO_SURFACE) {
152        const bool preserveBuffer = (swapBehavior != SwapBehavior::kSwap_discardBuffer);
153        mBufferPreserved = mEglManager.setPreserveBuffer(mEglSurface, preserveBuffer);
154        return true;
155    }
156
157    return false;
158}
159
160bool OpenGLPipeline::isSurfaceReady() {
161    return CC_UNLIKELY(mEglSurface != EGL_NO_SURFACE);
162}
163
164bool OpenGLPipeline::isContextReady() {
165    return CC_LIKELY(mEglManager.hasEglContext());
166}
167
168void OpenGLPipeline::onDestroyHardwareResources() {
169    Caches& caches = Caches::getInstance();
170    // Make sure to release all the textures we were owning as there won't
171    // be another draw
172    caches.textureCache.resetMarkInUse(this);
173    mRenderThread.renderState().flush(Caches::FlushMode::Layers);
174}
175
176void OpenGLPipeline::renderLayers(const FrameBuilder::LightGeometry& lightGeometry,
177        LayerUpdateQueue* layerUpdateQueue, bool opaque,
178        const BakedOpRenderer::LightInfo& lightInfo) {
179    static const std::vector< sp<RenderNode> > emptyNodeList;
180    auto& caches = Caches::getInstance();
181    FrameBuilder frameBuilder(*layerUpdateQueue, lightGeometry, caches);
182    layerUpdateQueue->clear();
183    BakedOpRenderer renderer(caches, mRenderThread.renderState(),
184            opaque, lightInfo);
185    LOG_ALWAYS_FATAL_IF(renderer.didDraw(), "shouldn't draw in buildlayer case");
186    frameBuilder.replayBakedOps<BakedOpDispatcher>(renderer);
187}
188
189TaskManager* OpenGLPipeline::getTaskManager() {
190    return &Caches::getInstance().tasks;
191}
192
193static bool layerMatchesWH(OffscreenBuffer* layer, int width, int height) {
194    return layer->viewportWidth == (uint32_t)width && layer->viewportHeight == (uint32_t)height;
195}
196
197bool OpenGLPipeline::createOrUpdateLayer(RenderNode* node,
198        const DamageAccumulator& damageAccumulator) {
199    RenderState& renderState = mRenderThread.renderState();
200    OffscreenBufferPool& layerPool = renderState.layerPool();
201    bool transformUpdateNeeded = false;
202    if (node->getLayer() == nullptr) {
203        node->setLayer(layerPool.get(renderState, node->getWidth(), node->getHeight()));
204        transformUpdateNeeded = true;
205    } else if (!layerMatchesWH(node->getLayer(), node->getWidth(), node->getHeight())) {
206        // TODO: remove now irrelevant, currently enqueued damage (respecting damage ordering)
207        // Or, ideally, maintain damage between frames on node/layer so ordering is always correct
208        if (node->properties().fitsOnLayer()) {
209            node->setLayer(layerPool.resize(node->getLayer(), node->getWidth(), node->getHeight()));
210        } else {
211            destroyLayer(node);
212        }
213        transformUpdateNeeded = true;
214    }
215
216    if (transformUpdateNeeded && node->getLayer()) {
217        // update the transform in window of the layer to reset its origin wrt light source position
218        Matrix4 windowTransform;
219        damageAccumulator.computeCurrentTransform(&windowTransform);
220        node->getLayer()->setWindowTransform(windowTransform);
221    }
222
223    return transformUpdateNeeded;
224}
225
226bool OpenGLPipeline::pinImages(LsaVector<sk_sp<Bitmap>>& images) {
227    TextureCache& cache = Caches::getInstance().textureCache;
228    bool prefetchSucceeded = true;
229    for (auto& bitmapResource : images) {
230        prefetchSucceeded &= cache.prefetchAndMarkInUse(this, bitmapResource.get());
231    }
232    return prefetchSucceeded;
233}
234
235void OpenGLPipeline::unpinImages() {
236    Caches::getInstance().textureCache.resetMarkInUse(this);
237}
238
239void OpenGLPipeline::destroyLayer(RenderNode* node) {
240    if (OffscreenBuffer* layer = node->getLayer()) {
241        layer->renderState.layerPool().putOrDelete(layer);
242        node->setLayer(nullptr);
243    }
244}
245
246void OpenGLPipeline::prepareToDraw(const RenderThread& thread, Bitmap* bitmap) {
247    if (Caches::hasInstance() && thread.eglManager().hasEglContext()) {
248        ATRACE_NAME("Bitmap#prepareToDraw task");
249        Caches::getInstance().textureCache.prefetch(bitmap);
250    }
251}
252
253void OpenGLPipeline::invokeFunctor(const RenderThread& thread, Functor* functor) {
254    DrawGlInfo::Mode mode = DrawGlInfo::kModeProcessNoContext;
255    if (thread.eglManager().hasEglContext()) {
256        mode = DrawGlInfo::kModeProcess;
257    }
258    thread.renderState().invokeFunctor(functor, mode, nullptr);
259}
260
261} /* namespace renderthread */
262} /* namespace uirenderer */
263} /* namespace android */
264