SkiaVulkanPipeline.cpp revision 500a0c30d4dcd012218c3e44a62926a1c34a259f 
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 "SkiaVulkanPipeline.h"
18
19#include "DeferredLayerUpdater.h"
20#include "renderthread/EglManager.h" // needed for Frame
21#include "Readback.h"
22#include "renderstate/RenderState.h"
23
24#include <SkTypes.h>
25#include <WindowContextFactory_android.h>
26#include <VulkanWindowContext.h>
27
28#include <android/native_window.h>
29#include <cutils/properties.h>
30#include <strings.h>
31
32using namespace android::uirenderer::renderthread;
33using namespace sk_app;
34
35namespace android {
36namespace uirenderer {
37namespace skiapipeline {
38
39MakeCurrentResult SkiaVulkanPipeline::makeCurrent() {
40    return (mWindowContext != nullptr) ?
41        MakeCurrentResult::AlreadyCurrent : MakeCurrentResult::Failed;
42}
43
44Frame SkiaVulkanPipeline::getFrame() {
45    LOG_ALWAYS_FATAL_IF(mWindowContext == nullptr, "Tried to draw into null vulkan context!");
46    mBackbuffer = mWindowContext->getBackbufferSurface();
47    if (mBackbuffer.get() == nullptr) {
48        // try recreating the context?
49        SkDebugf("failed to get backbuffer");
50        return Frame(-1, -1, 0);
51    }
52
53    // TODO: support buffer age if Vulkan API can do it
54    Frame frame(mBackbuffer->width(), mBackbuffer->height(), 0);
55    return frame;
56}
57
58bool SkiaVulkanPipeline::draw(const Frame& frame, const SkRect& screenDirty,
59        const SkRect& dirty,
60        const FrameBuilder::LightGeometry& lightGeometry,
61        LayerUpdateQueue* layerUpdateQueue,
62        const Rect& contentDrawBounds, bool opaque,
63        const BakedOpRenderer::LightInfo& lightInfo,
64        const std::vector<sp<RenderNode>>& renderNodes,
65        FrameInfoVisualizer* profiler) {
66
67    if (mBackbuffer.get() == nullptr) {
68        return false;
69    }
70    renderFrame(*layerUpdateQueue, dirty, renderNodes, opaque, contentDrawBounds, mBackbuffer);
71    layerUpdateQueue->clear();
72    return true;
73}
74
75bool SkiaVulkanPipeline::swapBuffers(const Frame& frame, bool drew,
76        const SkRect& screenDirty, FrameInfo* currentFrameInfo, bool* requireSwap) {
77
78    *requireSwap = drew;
79
80    // Even if we decided to cancel the frame, from the perspective of jank
81    // metrics the frame was swapped at this point
82    currentFrameInfo->markSwapBuffers();
83
84    if (*requireSwap) {
85        mWindowContext->swapBuffers();
86    }
87
88    mBackbuffer.reset();
89
90    return *requireSwap;
91}
92
93bool SkiaVulkanPipeline::copyLayerInto(DeferredLayerUpdater* layer, SkBitmap* bitmap) {
94    // TODO: implement copyLayerInto for vulkan.
95    return false;
96}
97
98DeferredLayerUpdater* SkiaVulkanPipeline::createTextureLayer() {
99    Layer* layer = new Layer(mRenderThread.renderState(), 0, 0);
100    return new DeferredLayerUpdater(layer);
101}
102
103void SkiaVulkanPipeline::onStop() {
104}
105
106bool SkiaVulkanPipeline::setSurface(Surface* surface, SwapBehavior swapBehavior) {
107
108    if (mWindowContext) {
109        delete mWindowContext;
110        mWindowContext = nullptr;
111    }
112
113    if (surface) {
114        DisplayParams displayParams;
115        mWindowContext = window_context_factory::NewVulkanForAndroid(surface, displayParams);
116        if (mWindowContext) {
117            DeviceInfo::initialize(mWindowContext->getGrContext()->caps()->maxRenderTargetSize());
118        }
119    }
120
121
122    // this doesn't work for if there is more than one CanvasContext available at one time!
123    mRenderThread.setGrContext(mWindowContext ? mWindowContext->getGrContext() : nullptr);
124
125    return mWindowContext != nullptr;
126}
127
128bool SkiaVulkanPipeline::isSurfaceReady() {
129    return CC_LIKELY(mWindowContext != nullptr) && mWindowContext->isValid();
130}
131
132bool SkiaVulkanPipeline::isContextReady() {
133    return CC_LIKELY(mWindowContext != nullptr);
134}
135
136void SkiaVulkanPipeline::invokeFunctor(const RenderThread& thread, Functor* functor) {
137    // TODO: we currently don't support OpenGL WebView's
138    DrawGlInfo::Mode mode = DrawGlInfo::kModeProcessNoContext;
139    (*functor)(mode, nullptr);
140}
141
142} /* namespace skiapipeline */
143} /* namespace uirenderer */
144} /* namespace android */
145