1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
|
// Copyright (C) 2017 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
#ifndef QT3DRENDER_RENDER_RENDERERCACHE_P_H
#define QT3DRENDER_RENDER_RENDERERCACHE_P_H
//
// W A R N I N G
// -------------
//
// This file is not part of the Qt API. It exists for the convenience
// of other Qt classes. This header file may change from version to
// version without notice, or even be removed.
//
// We mean it.
//
#include <Qt3DCore/private/vector_helper_p.h>
#include <Qt3DRender/QFrameGraphNode>
#include <Qt3DRender/private/entity_p.h>
#include <Qt3DRender/private/renderviewjobutils_p.h>
#include <Qt3DRender/private/lightsource_p.h>
QT_BEGIN_NAMESPACE
namespace Qt3DRender {
namespace Render {
template<class RenderCommand>
struct EntityRenderCommandData
{
std::vector<const Entity *> entities;
std::vector<RenderCommand> commands;
std::vector<RenderPassParameterData> passesData;
void reserve(size_t size)
{
entities.reserve(size);
commands.reserve(size);
passesData.reserve(size);
}
inline size_t size() const { return entities.size(); }
inline void push_back(const Entity *e, const RenderCommand &c, const RenderPassParameterData &p)
{
entities.push_back(e);
commands.push_back(c);
passesData.push_back(p);
}
inline void push_back(const Entity *e, RenderCommand &&c, RenderPassParameterData &&p)
{
entities.push_back(e);
commands.push_back(std::move(c));
passesData.push_back(std::move(p));
}
EntityRenderCommandData &operator+=(EntityRenderCommandData &&t)
{
Qt3DCore::moveAtEnd(entities, std::move(t.entities));
Qt3DCore::moveAtEnd(commands, std::move(t.commands));
Qt3DCore::moveAtEnd(passesData, std::move(t.passesData));
return *this;
}
};
template<class RenderCommand>
struct EntityRenderCommandDataView
{
EntityRenderCommandData<RenderCommand> data;
std::vector<size_t> indices;
size_t size() const noexcept { return indices.size(); }
template<typename F>
void forEachCommand(F func)
{
for (size_t idx : indices)
func(data.commands[idx]);
}
};
template<class RenderCommand>
using EntityRenderCommandDataViewPtr = QSharedPointer<EntityRenderCommandDataView<RenderCommand>>;
template<class RenderCommand>
struct EntityRenderCommandDataSubView
{
EntityRenderCommandDataViewPtr<RenderCommand> view;
size_t offset = 0;
size_t count = 0;
template<typename F>
void forEach(F func)
{
for (size_t i = 0, m = size_t(count); i < m; ++i) {
const size_t idx = view->indices[offset + i];
func(view->data.entities[idx],
view->data.passesData[idx],
view->data.commands[idx]);
}
}
template<typename F>
void forEach(F func) const
{
for (size_t i = 0, m = size_t(count); i < m; ++i) {
const size_t idx = view->indices[offset + i];
func(view->data.entities[idx],
view->data.passesData[idx],
view->data.commands[idx]);
}
}
};
template<class RenderCommand>
struct RendererCache
{
struct LeafNodeData
{
Matrix4x4 viewProjectionMatrix;
// Set by the FilterLayerJob
// Contains all Entities that satisfy the layer filtering for the RV
std::vector<Entity *> filterEntitiesByLayer;
// Set by the MaterialParameterGatherJob
MaterialParameterGathererData materialParameterGatherer;
// Set by the SyncRenderViewPreCommandUpdateJob
// Contains caches of different filtering stages that can
// be cached across frame
std::vector<Entity *> layeredFilteredRenderables; // Changes rarely
std::vector<Entity *> filteredAndCulledRenderables; // Changes if camera is modified
std::vector<LightSource> layeredFilteredLightSources;
// Cache of RenderCommands
EntityRenderCommandDataViewPtr<RenderCommand> filteredRenderCommandDataViews;
};
// Variabled below are shared amongst all RV
// Set by CachingRenderableEntityFilterJob
std::vector<Entity *> renderableEntities;
// Set by CachingComputableEntityFilterJob
std::vector<Entity *> computeEntities;
// Set by CachingLightGathererJob
std::vector<LightSource> gatheredLights;
EnvironmentLight* environmentLight;
// Per RV cache
// Leaves inserted by SyncRenderViewPostInitialization
QHash<FrameGraphNode *, LeafNodeData> leafNodeCache;
QMutex *mutex() { return &m_mutex; }
private:
QMutex m_mutex;
};
} // namespace Render
} // namespace Qt3DRender
QT_END_NAMESPACE
#endif // QT3DRENDER_RENDER_RENDERERCACHE_P_H
|
