1/****************************************************************************
2**
3** Copyright (C) 2017 The Qt Company Ltd.
4** Contact: https://www.qt.io/licensing/
5**
6** This file is part of the examples of the Qt Toolkit.
7**
8** $QT_BEGIN_LICENSE:BSD$
9** Commercial License Usage
10** Licensees holding valid commercial Qt licenses may use this file in
11** accordance with the commercial license agreement provided with the
12** Software or, alternatively, in accordance with the terms contained in
13** a written agreement between you and The Qt Company. For licensing terms
14** and conditions see https://www.qt.io/terms-conditions. For further
15** information use the contact form at https://www.qt.io/contact-us.
16**
17** BSD License Usage
18** Alternatively, you may use this file under the terms of the BSD license
19** as follows:
20**
21** "Redistribution and use in source and binary forms, with or without
22** modification, are permitted provided that the following conditions are
23** met:
24** * Redistributions of source code must retain the above copyright
25** notice, this list of conditions and the following disclaimer.
26** * Redistributions in binary form must reproduce the above copyright
27** notice, this list of conditions and the following disclaimer in
28** the documentation and/or other materials provided with the
29** distribution.
30** * Neither the name of The Qt Company Ltd nor the names of its
31** contributors may be used to endorse or promote products derived
32** from this software without specific prior written permission.
33**
34**
35** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
36** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
37** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
38** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
39** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
40** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
41** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
42** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
43** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
44** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
45** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
46**
47** $QT_END_LICENSE$
48**
49****************************************************************************/
50
51#ifndef RENDERER_H
52#define RENDERER_H
53
54#include "vulkanwindow.h"
55#include "mesh.h"
56#include "shader.h"
57#include "camera.h"
58#include <QFutureWatcher>
59#include <QMutex>
60
61class Renderer : public QVulkanWindowRenderer
62{
63public:
64 Renderer(VulkanWindow *w, int initialCount);
65
66 void preInitResources() override;
67 void initResources() override;
68 void initSwapChainResources() override;
69 void releaseSwapChainResources() override;
70 void releaseResources() override;
71
72 void startNextFrame() override;
73
74 bool animating() const { return m_animating; }
75 void setAnimating(bool a) { m_animating = a; }
76
77 int instanceCount() const { return m_instCount; }
78 void addNew();
79
80 void yaw(float degrees);
81 void pitch(float degrees);
82 void walk(float amount);
83 void strafe(float amount);
84
85 void setUseLogo(bool b);
86
87private:
88 void createPipelines();
89 void createItemPipeline();
90 void createFloorPipeline();
91 void ensureBuffers();
92 void ensureInstanceBuffer();
93 void getMatrices(QMatrix4x4 *mvp, QMatrix4x4 *model, QMatrix3x3 *modelNormal, QVector3D *eyePos);
94 void writeFragUni(quint8 *p, const QVector3D &eyePos);
95 void buildFrame();
96 void buildDrawCallsForItems();
97 void buildDrawCallsForFloor();
98
99 void markViewProjDirty() { m_vpDirty = m_window->concurrentFrameCount(); }
100
101 VulkanWindow *m_window;
102 QVulkanDeviceFunctions *m_devFuncs;
103
104 bool = false;
105 Mesh m_blockMesh;
106 Mesh m_logoMesh;
107 VkBuffer m_blockVertexBuf = VK_NULL_HANDLE;
108 VkBuffer m_logoVertexBuf = VK_NULL_HANDLE;
109 struct {
110 VkDeviceSize vertUniSize;
111 VkDeviceSize fragUniSize;
112 VkDeviceSize uniMemStartOffset;
113 Shader vs;
114 Shader fs;
115 VkDescriptorPool descPool = VK_NULL_HANDLE;
116 VkDescriptorSetLayout descSetLayout = VK_NULL_HANDLE;
117 VkDescriptorSet descSet;
118 VkPipelineLayout pipelineLayout = VK_NULL_HANDLE;
119 VkPipeline pipeline = VK_NULL_HANDLE;
120 } m_itemMaterial;
121
122 VkBuffer m_floorVertexBuf = VK_NULL_HANDLE;
123 struct {
124 Shader vs;
125 Shader fs;
126 VkPipelineLayout pipelineLayout = VK_NULL_HANDLE;
127 VkPipeline pipeline = VK_NULL_HANDLE;
128 } m_floorMaterial;
129
130 VkDeviceMemory m_bufMem = VK_NULL_HANDLE;
131 VkBuffer m_uniBuf = VK_NULL_HANDLE;
132
133 VkPipelineCache m_pipelineCache = VK_NULL_HANDLE;
134 QFuture<void> m_pipelinesFuture;
135
136 QVector3D m_lightPos;
137 Camera m_cam;
138
139 QMatrix4x4 m_proj;
140 int m_vpDirty = 0;
141 QMatrix4x4 m_floorModel;
142
143 bool m_animating;
144 float m_rotation = 0.0f;
145
146 int m_instCount;
147 int m_preparedInstCount = 0;
148 QByteArray m_instData;
149 VkBuffer m_instBuf = VK_NULL_HANDLE;
150 VkDeviceMemory m_instBufMem = VK_NULL_HANDLE;
151
152 QFutureWatcher<void> m_frameWatcher;
153 bool m_framePending;
154
155 QMutex m_guiMutex;
156};
157
158#endif
159

source code of qtbase/examples/vulkan/hellovulkancubes/renderer.h