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 #pragma once
18 
19 #include "DamageAccumulator.h"
20 #include "FrameInfoVisualizer.h"
21 #include "LayerUpdateQueue.h"
22 #include "Lighting.h"
23 #include "SwapBehavior.h"
24 #include "hwui/Bitmap.h"
25 
26 #include <SkRect.h>
27 #include <utils/RefBase.h>
28 
29 class GrContext;
30 
31 struct ANativeWindow;
32 
33 namespace android {
34 
35 namespace uirenderer {
36 
37 class DeferredLayerUpdater;
38 class ErrorHandler;
39 class TaskManager;
40 
41 namespace renderthread {
42 
43 enum class MakeCurrentResult { AlreadyCurrent, Failed, Succeeded };
44 
45 enum class ColorMode {
46     // SRGB means HWUI will produce buffer in SRGB color space.
47     SRGB,
48     // WideColorGamut means HWUI would support rendering scRGB non-linear into
49     // a signed buffer with enough range to support the wide color gamut of the
50     // display.
51     WideColorGamut,
52     // Hdr
53 };
54 
55 class Frame;
56 
57 class IRenderPipeline {
58 public:
59     virtual MakeCurrentResult makeCurrent() = 0;
60     virtual Frame getFrame() = 0;
61     virtual bool draw(const Frame& frame, const SkRect& screenDirty, const SkRect& dirty,
62                       const LightGeometry& lightGeometry, LayerUpdateQueue* layerUpdateQueue,
63                       const Rect& contentDrawBounds, bool opaque, const LightInfo& lightInfo,
64                       const std::vector<sp<RenderNode>>& renderNodes,
65                       FrameInfoVisualizer* profiler) = 0;
66     virtual bool swapBuffers(const Frame& frame, bool drew, const SkRect& screenDirty,
67                              FrameInfo* currentFrameInfo, bool* requireSwap) = 0;
68     virtual DeferredLayerUpdater* createTextureLayer() = 0;
69     virtual bool setSurface(ANativeWindow* window, SwapBehavior swapBehavior, ColorMode colorMode,
70                             uint32_t extraBuffers) = 0;
71     virtual void onStop() = 0;
72     virtual bool isSurfaceReady() = 0;
73     virtual bool isContextReady() = 0;
74     virtual void onDestroyHardwareResources() = 0;
75     virtual void renderLayers(const LightGeometry& lightGeometry,
76                               LayerUpdateQueue* layerUpdateQueue, bool opaque,
77                               const LightInfo& lightInfo) = 0;
78     virtual bool createOrUpdateLayer(RenderNode* node, const DamageAccumulator& damageAccumulator,
79                                      ErrorHandler* errorHandler) = 0;
80     virtual bool pinImages(std::vector<SkImage*>& mutableImages) = 0;
81     virtual bool pinImages(LsaVector<sk_sp<Bitmap>>& images) = 0;
82     virtual void unpinImages() = 0;
83     virtual void onPrepareTree() = 0;
84     virtual SkColorType getSurfaceColorType() const = 0;
85     virtual sk_sp<SkColorSpace> getSurfaceColorSpace() = 0;
86     virtual GrSurfaceOrigin getSurfaceOrigin() = 0;
87     virtual void setPictureCapturedCallback(
88             const std::function<void(sk_sp<SkPicture>&&)>& callback) = 0;
89 
~IRenderPipeline()90     virtual ~IRenderPipeline() {}
91 };
92 
93 } /* namespace renderthread */
94 } /* namespace uirenderer */
95 } /* namespace android */
96