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<h1 class="title">renderer.cpp Example File</h1>
<span class="subtitle">hellovulkancubes/renderer.cpp</span>
<!-- $$$hellovulkancubes/renderer.cpp-description -->
<div class="descr"> <a name="details"></a>
<pre class="cpp">
<span class="comment">/****************************************************************************
**
** Copyright (C) 2017 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the examples of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:BSD$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** BSD License Usage
** Alternatively, you may use this file under the terms of the BSD license
** as follows:
**
** "Redistribution and use in source and binary forms, with or without
** modification, are permitted provided that the following conditions are
** met:
** * Redistributions of source code must retain the above copyright
** notice, this list of conditions and the following disclaimer.
** * Redistributions in binary form must reproduce the above copyright
** notice, this list of conditions and the following disclaimer in
** the documentation and/or other materials provided with the
** distribution.
** * Neither the name of The Qt Company Ltd nor the names of its
** contributors may be used to endorse or promote products derived
** from this software without specific prior written permission.
**
**
** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
**
** $QT_END_LICENSE$
**
****************************************************************************/</span>
<span class="preprocessor">#include "renderer.h"</span>
<span class="preprocessor">#include <QVulkanFunctions></span>
<span class="preprocessor">#include <QtConcurrentRun></span>
<span class="preprocessor">#include <QTime></span>
<span class="keyword">static</span> <span class="type">float</span> quadVert<span class="operator">[</span><span class="operator">]</span> <span class="operator">=</span> { <span class="comment">// Y up, front = CW</span>
<span class="operator">-</span><span class="number">1</span><span class="operator">,</span> <span class="operator">-</span><span class="number">1</span><span class="operator">,</span> <span class="number">0</span><span class="operator">,</span>
<span class="operator">-</span><span class="number">1</span><span class="operator">,</span> <span class="number">1</span><span class="operator">,</span> <span class="number">0</span><span class="operator">,</span>
<span class="number">1</span><span class="operator">,</span> <span class="operator">-</span><span class="number">1</span><span class="operator">,</span> <span class="number">0</span><span class="operator">,</span>
<span class="number">1</span><span class="operator">,</span> <span class="number">1</span><span class="operator">,</span> <span class="number">0</span>
};
<span class="preprocessor">#define DBG Q_UNLIKELY(m_window->isDebugEnabled())</span>
<span class="keyword">const</span> <span class="type">int</span> MAX_INSTANCES <span class="operator">=</span> <span class="number">16384</span>;
<span class="keyword">const</span> VkDeviceSize PER_INSTANCE_DATA_SIZE <span class="operator">=</span> <span class="number">6</span> <span class="operator">*</span> <span class="keyword">sizeof</span>(<span class="type">float</span>); <span class="comment">// instTranslate, instDiffuseAdjust</span>
<span class="keyword">static</span> <span class="keyword">inline</span> VkDeviceSize aligned(VkDeviceSize v<span class="operator">,</span> VkDeviceSize byteAlign)
{
<span class="keyword">return</span> (v <span class="operator">+</span> byteAlign <span class="operator">-</span> <span class="number">1</span>) <span class="operator">&</span> <span class="operator">~</span>(byteAlign <span class="operator">-</span> <span class="number">1</span>);
}
Renderer<span class="operator">::</span>Renderer(VulkanWindow <span class="operator">*</span>w<span class="operator">,</span> <span class="type">int</span> initialCount)
: m_window(w)<span class="operator">,</span>
<span class="comment">// Have the light positioned just behind the default camera position, looking forward.</span>
m_lightPos(<span class="number">0.0f</span><span class="operator">,</span> <span class="number">0.0f</span><span class="operator">,</span> <span class="number">25.0f</span>)<span class="operator">,</span>
m_cam(QVector3D(<span class="number">0.0f</span><span class="operator">,</span> <span class="number">0.0f</span><span class="operator">,</span> <span class="number">20.0f</span>))<span class="operator">,</span> <span class="comment">// starting camera position</span>
m_instCount(initialCount)
{
qsrand(<span class="type"><a href="../qtcore/qtime.html">QTime</a></span>(<span class="number">0</span><span class="operator">,</span> <span class="number">0</span><span class="operator">,</span> <span class="number">0</span>)<span class="operator">.</span>secsTo(<span class="type"><a href="../qtcore/qtime.html">QTime</a></span><span class="operator">::</span>currentTime()));
m_floorModel<span class="operator">.</span>translate(<span class="number">0</span><span class="operator">,</span> <span class="operator">-</span><span class="number">5</span><span class="operator">,</span> <span class="number">0</span>);
m_floorModel<span class="operator">.</span>rotate(<span class="operator">-</span><span class="number">90</span><span class="operator">,</span> <span class="number">1</span><span class="operator">,</span> <span class="number">0</span><span class="operator">,</span> <span class="number">0</span>);
m_floorModel<span class="operator">.</span>scale(<span class="number">20</span><span class="operator">,</span> <span class="number">100</span><span class="operator">,</span> <span class="number">1</span>);
m_blockMesh<span class="operator">.</span>load(<span class="type"><a href="../qtcore/qstring.html#QStringLiteral">QStringLiteral</a></span>(<span class="string">":/block.buf"</span>));
m_logoMesh<span class="operator">.</span>load(<span class="type"><a href="../qtcore/qstring.html#QStringLiteral">QStringLiteral</a></span>(<span class="string">":/qt_logo.buf"</span>));
<span class="type"><a href="../qtcore/qobject.html">QObject</a></span><span class="operator">::</span>connect(<span class="operator">&</span>m_frameWatcher<span class="operator">,</span> <span class="operator">&</span><span class="type"><a href="../qtcore/qfuturewatcherbase.html">QFutureWatcherBase</a></span><span class="operator">::</span>finished<span class="operator">,</span> <span class="operator">[</span><span class="keyword">this</span><span class="operator">]</span> {
<span class="keyword">if</span> (m_framePending) {
m_framePending <span class="operator">=</span> <span class="keyword">false</span>;
m_window<span class="operator">-</span><span class="operator">></span>frameReady();
m_window<span class="operator">-</span><span class="operator">></span>requestUpdate();
}
});
}
<span class="type">void</span> Renderer<span class="operator">::</span>preInitResources()
{
<span class="keyword">const</span> <span class="type"><a href="../qtcore/qvector.html">QVector</a></span><span class="operator"><</span><span class="type">int</span><span class="operator">></span> sampleCounts <span class="operator">=</span> m_window<span class="operator">-</span><span class="operator">></span>supportedSampleCounts();
<span class="keyword">if</span> (DBG)
<a href="../qtcore/qtglobal.html#qDebug">qDebug</a>() <span class="operator"><</span><span class="operator"><</span> <span class="string">"Supported sample counts:"</span> <span class="operator"><</span><span class="operator"><</span> sampleCounts;
<span class="keyword">if</span> (sampleCounts<span class="operator">.</span>contains(<span class="number">4</span>)) {
<span class="keyword">if</span> (DBG)
<a href="../qtcore/qtglobal.html#qDebug">qDebug</a>(<span class="string">"Requesting 4x MSAA"</span>);
m_window<span class="operator">-</span><span class="operator">></span>setSampleCount(<span class="number">4</span>);
}
}
<span class="type">void</span> Renderer<span class="operator">::</span>initResources()
{
<span class="keyword">if</span> (DBG)
<a href="../qtcore/qtglobal.html#qDebug">qDebug</a>(<span class="string">"Renderer init"</span>);
m_animating <span class="operator">=</span> <span class="keyword">true</span>;
m_framePending <span class="operator">=</span> <span class="keyword">false</span>;
<span class="type"><a href="qvulkaninstance.html">QVulkanInstance</a></span> <span class="operator">*</span>inst <span class="operator">=</span> m_window<span class="operator">-</span><span class="operator">></span>vulkanInstance();
VkDevice dev <span class="operator">=</span> m_window<span class="operator">-</span><span class="operator">></span>device();
<span class="keyword">const</span> VkPhysicalDeviceLimits <span class="operator">*</span>pdevLimits <span class="operator">=</span> <span class="operator">&</span>m_window<span class="operator">-</span><span class="operator">></span>physicalDeviceProperties()<span class="operator">-</span><span class="operator">></span>limits;
<span class="keyword">const</span> VkDeviceSize uniAlign <span class="operator">=</span> pdevLimits<span class="operator">-</span><span class="operator">></span>minUniformBufferOffsetAlignment;
m_devFuncs <span class="operator">=</span> inst<span class="operator">-</span><span class="operator">></span>deviceFunctions(dev);
<span class="comment">// Note the std140 packing rules. A vec3 still has an alignment of 16,</span>
<span class="comment">// while a mat3 is like 3 * vec3.</span>
m_itemMaterial<span class="operator">.</span>vertUniSize <span class="operator">=</span> aligned(<span class="number">2</span> <span class="operator">*</span> <span class="number">64</span> <span class="operator">+</span> <span class="number">48</span><span class="operator">,</span> uniAlign); <span class="comment">// see color_phong.vert</span>
m_itemMaterial<span class="operator">.</span>fragUniSize <span class="operator">=</span> aligned(<span class="number">6</span> <span class="operator">*</span> <span class="number">16</span> <span class="operator">+</span> <span class="number">12</span> <span class="operator">+</span> <span class="number">2</span> <span class="operator">*</span> <span class="number">4</span><span class="operator">,</span> uniAlign); <span class="comment">// see color_phong.frag</span>
<span class="keyword">if</span> (<span class="operator">!</span>m_itemMaterial<span class="operator">.</span>vs<span class="operator">.</span>isValid())
m_itemMaterial<span class="operator">.</span>vs<span class="operator">.</span>load(inst<span class="operator">,</span> dev<span class="operator">,</span> <span class="type"><a href="../qtcore/qstring.html#QStringLiteral">QStringLiteral</a></span>(<span class="string">":/color_phong_vert.spv"</span>));
<span class="keyword">if</span> (<span class="operator">!</span>m_itemMaterial<span class="operator">.</span>fs<span class="operator">.</span>isValid())
m_itemMaterial<span class="operator">.</span>fs<span class="operator">.</span>load(inst<span class="operator">,</span> dev<span class="operator">,</span> <span class="type"><a href="../qtcore/qstring.html#QStringLiteral">QStringLiteral</a></span>(<span class="string">":/color_phong_frag.spv"</span>));
<span class="keyword">if</span> (<span class="operator">!</span>m_floorMaterial<span class="operator">.</span>vs<span class="operator">.</span>isValid())
m_floorMaterial<span class="operator">.</span>vs<span class="operator">.</span>load(inst<span class="operator">,</span> dev<span class="operator">,</span> <span class="type"><a href="../qtcore/qstring.html#QStringLiteral">QStringLiteral</a></span>(<span class="string">":/color_vert.spv"</span>));
<span class="keyword">if</span> (<span class="operator">!</span>m_floorMaterial<span class="operator">.</span>fs<span class="operator">.</span>isValid())
m_floorMaterial<span class="operator">.</span>fs<span class="operator">.</span>load(inst<span class="operator">,</span> dev<span class="operator">,</span> <span class="type"><a href="../qtcore/qstring.html#QStringLiteral">QStringLiteral</a></span>(<span class="string">":/color_frag.spv"</span>));
m_pipelinesFuture <span class="operator">=</span> <span class="type">QtConcurrent</span><span class="operator">::</span>run(<span class="keyword">this</span><span class="operator">,</span> <span class="operator">&</span>Renderer<span class="operator">::</span>createPipelines);
}
<span class="type">void</span> Renderer<span class="operator">::</span>createPipelines()
{
VkDevice dev <span class="operator">=</span> m_window<span class="operator">-</span><span class="operator">></span>device();
VkPipelineCacheCreateInfo pipelineCacheInfo;
memset(<span class="operator">&</span>pipelineCacheInfo<span class="operator">,</span> <span class="number">0</span><span class="operator">,</span> <span class="keyword">sizeof</span>(pipelineCacheInfo));
pipelineCacheInfo<span class="operator">.</span>sType <span class="operator">=</span> VK_STRUCTURE_TYPE_PIPELINE_CACHE_CREATE_INFO;
VkResult err <span class="operator">=</span> m_devFuncs<span class="operator">-</span><span class="operator">></span>vkCreatePipelineCache(dev<span class="operator">,</span> <span class="operator">&</span>pipelineCacheInfo<span class="operator">,</span> nullptr<span class="operator">,</span> <span class="operator">&</span>m_pipelineCache);
<span class="keyword">if</span> (err <span class="operator">!</span><span class="operator">=</span> VK_SUCCESS)
<a href="../qtcore/qtglobal.html#qFatal">qFatal</a>(<span class="string">"Failed to create pipeline cache: %d"</span><span class="operator">,</span> err);
createItemPipeline();
createFloorPipeline();
}
<span class="type">void</span> Renderer<span class="operator">::</span>createItemPipeline()
{
VkDevice dev <span class="operator">=</span> m_window<span class="operator">-</span><span class="operator">></span>device();
<span class="comment">// Vertex layout.</span>
VkVertexInputBindingDescription vertexBindingDesc<span class="operator">[</span><span class="operator">]</span> <span class="operator">=</span> {
{
<span class="number">0</span><span class="operator">,</span> <span class="comment">// binding</span>
<span class="number">8</span> <span class="operator">*</span> <span class="keyword">sizeof</span>(<span class="type">float</span>)<span class="operator">,</span>
VK_VERTEX_INPUT_RATE_VERTEX
}<span class="operator">,</span>
{
<span class="number">1</span><span class="operator">,</span>
<span class="number">6</span> <span class="operator">*</span> <span class="keyword">sizeof</span>(<span class="type">float</span>)<span class="operator">,</span>
VK_VERTEX_INPUT_RATE_INSTANCE
}
};
VkVertexInputAttributeDescription vertexAttrDesc<span class="operator">[</span><span class="operator">]</span> <span class="operator">=</span> {
{ <span class="comment">// position</span>
<span class="number">0</span><span class="operator">,</span> <span class="comment">// location</span>
<span class="number">0</span><span class="operator">,</span> <span class="comment">// binding</span>
VK_FORMAT_R32G32B32_SFLOAT<span class="operator">,</span>
<span class="number">0</span> <span class="comment">// offset</span>
}<span class="operator">,</span>
{ <span class="comment">// normal</span>
<span class="number">1</span><span class="operator">,</span>
<span class="number">0</span><span class="operator">,</span>
VK_FORMAT_R32G32B32_SFLOAT<span class="operator">,</span>
<span class="number">5</span> <span class="operator">*</span> <span class="keyword">sizeof</span>(<span class="type">float</span>)
}<span class="operator">,</span>
{ <span class="comment">// instTranslate</span>
<span class="number">2</span><span class="operator">,</span>
<span class="number">1</span><span class="operator">,</span>
VK_FORMAT_R32G32B32_SFLOAT<span class="operator">,</span>
<span class="number">0</span>
}<span class="operator">,</span>
{ <span class="comment">// instDiffuseAdjust</span>
<span class="number">3</span><span class="operator">,</span>
<span class="number">1</span><span class="operator">,</span>
VK_FORMAT_R32G32B32_SFLOAT<span class="operator">,</span>
<span class="number">3</span> <span class="operator">*</span> <span class="keyword">sizeof</span>(<span class="type">float</span>)
}
};
VkPipelineVertexInputStateCreateInfo vertexInputInfo;
vertexInputInfo<span class="operator">.</span>sType <span class="operator">=</span> VK_STRUCTURE_TYPE_PIPELINE_VERTEX_INPUT_STATE_CREATE_INFO;
vertexInputInfo<span class="operator">.</span>pNext <span class="operator">=</span> nullptr;
vertexInputInfo<span class="operator">.</span>flags <span class="operator">=</span> <span class="number">0</span>;
vertexInputInfo<span class="operator">.</span>vertexBindingDescriptionCount <span class="operator">=</span> <span class="keyword">sizeof</span>(vertexBindingDesc) <span class="operator">/</span> <span class="keyword">sizeof</span>(vertexBindingDesc<span class="operator">[</span><span class="number">0</span><span class="operator">]</span>);
vertexInputInfo<span class="operator">.</span>pVertexBindingDescriptions <span class="operator">=</span> vertexBindingDesc;
vertexInputInfo<span class="operator">.</span>vertexAttributeDescriptionCount <span class="operator">=</span> <span class="keyword">sizeof</span>(vertexAttrDesc) <span class="operator">/</span> <span class="keyword">sizeof</span>(vertexAttrDesc<span class="operator">[</span><span class="number">0</span><span class="operator">]</span>);
vertexInputInfo<span class="operator">.</span>pVertexAttributeDescriptions <span class="operator">=</span> vertexAttrDesc;
<span class="comment">// Descriptor set layout.</span>
VkDescriptorPoolSize descPoolSizes<span class="operator">[</span><span class="operator">]</span> <span class="operator">=</span> {
{ VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER_DYNAMIC<span class="operator">,</span> <span class="number">2</span> }
};
VkDescriptorPoolCreateInfo descPoolInfo;
memset(<span class="operator">&</span>descPoolInfo<span class="operator">,</span> <span class="number">0</span><span class="operator">,</span> <span class="keyword">sizeof</span>(descPoolInfo));
descPoolInfo<span class="operator">.</span>sType <span class="operator">=</span> VK_STRUCTURE_TYPE_DESCRIPTOR_POOL_CREATE_INFO;
descPoolInfo<span class="operator">.</span>maxSets <span class="operator">=</span> <span class="number">1</span>; <span class="comment">// a single set is enough due to the dynamic uniform buffer</span>
descPoolInfo<span class="operator">.</span>poolSizeCount <span class="operator">=</span> <span class="keyword">sizeof</span>(descPoolSizes) <span class="operator">/</span> <span class="keyword">sizeof</span>(descPoolSizes<span class="operator">[</span><span class="number">0</span><span class="operator">]</span>);
descPoolInfo<span class="operator">.</span>pPoolSizes <span class="operator">=</span> descPoolSizes;
VkResult err <span class="operator">=</span> m_devFuncs<span class="operator">-</span><span class="operator">></span>vkCreateDescriptorPool(dev<span class="operator">,</span> <span class="operator">&</span>descPoolInfo<span class="operator">,</span> nullptr<span class="operator">,</span> <span class="operator">&</span>m_itemMaterial<span class="operator">.</span>descPool);
<span class="keyword">if</span> (err <span class="operator">!</span><span class="operator">=</span> VK_SUCCESS)
<a href="../qtcore/qtglobal.html#qFatal">qFatal</a>(<span class="string">"Failed to create descriptor pool: %d"</span><span class="operator">,</span> err);
VkDescriptorSetLayoutBinding layoutBindings<span class="operator">[</span><span class="operator">]</span> <span class="operator">=</span>
{
{
<span class="number">0</span><span class="operator">,</span> <span class="comment">// binding</span>
VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER_DYNAMIC<span class="operator">,</span>
<span class="number">1</span><span class="operator">,</span> <span class="comment">// descriptorCount</span>
VK_SHADER_STAGE_VERTEX_BIT<span class="operator">,</span>
nullptr
}<span class="operator">,</span>
{
<span class="number">1</span><span class="operator">,</span>
VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER_DYNAMIC<span class="operator">,</span>
<span class="number">1</span><span class="operator">,</span>
VK_SHADER_STAGE_FRAGMENT_BIT<span class="operator">,</span>
nullptr
}
};
VkDescriptorSetLayoutCreateInfo descLayoutInfo <span class="operator">=</span> {
VK_STRUCTURE_TYPE_DESCRIPTOR_SET_LAYOUT_CREATE_INFO<span class="operator">,</span>
nullptr<span class="operator">,</span>
<span class="number">0</span><span class="operator">,</span>
<span class="keyword">sizeof</span>(layoutBindings) <span class="operator">/</span> <span class="keyword">sizeof</span>(layoutBindings<span class="operator">[</span><span class="number">0</span><span class="operator">]</span>)<span class="operator">,</span>
layoutBindings
};
err <span class="operator">=</span> m_devFuncs<span class="operator">-</span><span class="operator">></span>vkCreateDescriptorSetLayout(dev<span class="operator">,</span> <span class="operator">&</span>descLayoutInfo<span class="operator">,</span> nullptr<span class="operator">,</span> <span class="operator">&</span>m_itemMaterial<span class="operator">.</span>descSetLayout);
<span class="keyword">if</span> (err <span class="operator">!</span><span class="operator">=</span> VK_SUCCESS)
<a href="../qtcore/qtglobal.html#qFatal">qFatal</a>(<span class="string">"Failed to create descriptor set layout: %d"</span><span class="operator">,</span> err);
VkDescriptorSetAllocateInfo descSetAllocInfo <span class="operator">=</span> {
VK_STRUCTURE_TYPE_DESCRIPTOR_SET_ALLOCATE_INFO<span class="operator">,</span>
nullptr<span class="operator">,</span>
m_itemMaterial<span class="operator">.</span>descPool<span class="operator">,</span>
<span class="number">1</span><span class="operator">,</span>
<span class="operator">&</span>m_itemMaterial<span class="operator">.</span>descSetLayout
};
err <span class="operator">=</span> m_devFuncs<span class="operator">-</span><span class="operator">></span>vkAllocateDescriptorSets(dev<span class="operator">,</span> <span class="operator">&</span>descSetAllocInfo<span class="operator">,</span> <span class="operator">&</span>m_itemMaterial<span class="operator">.</span>descSet);
<span class="keyword">if</span> (err <span class="operator">!</span><span class="operator">=</span> VK_SUCCESS)
<a href="../qtcore/qtglobal.html#qFatal">qFatal</a>(<span class="string">"Failed to allocate descriptor set: %d"</span><span class="operator">,</span> err);
<span class="comment">// Graphics pipeline.</span>
VkPipelineLayoutCreateInfo pipelineLayoutInfo;
memset(<span class="operator">&</span>pipelineLayoutInfo<span class="operator">,</span> <span class="number">0</span><span class="operator">,</span> <span class="keyword">sizeof</span>(pipelineLayoutInfo));
pipelineLayoutInfo<span class="operator">.</span>sType <span class="operator">=</span> VK_STRUCTURE_TYPE_PIPELINE_LAYOUT_CREATE_INFO;
pipelineLayoutInfo<span class="operator">.</span>setLayoutCount <span class="operator">=</span> <span class="number">1</span>;
pipelineLayoutInfo<span class="operator">.</span>pSetLayouts <span class="operator">=</span> <span class="operator">&</span>m_itemMaterial<span class="operator">.</span>descSetLayout;
err <span class="operator">=</span> m_devFuncs<span class="operator">-</span><span class="operator">></span>vkCreatePipelineLayout(dev<span class="operator">,</span> <span class="operator">&</span>pipelineLayoutInfo<span class="operator">,</span> nullptr<span class="operator">,</span> <span class="operator">&</span>m_itemMaterial<span class="operator">.</span>pipelineLayout);
<span class="keyword">if</span> (err <span class="operator">!</span><span class="operator">=</span> VK_SUCCESS)
<a href="../qtcore/qtglobal.html#qFatal">qFatal</a>(<span class="string">"Failed to create pipeline layout: %d"</span><span class="operator">,</span> err);
VkGraphicsPipelineCreateInfo pipelineInfo;
memset(<span class="operator">&</span>pipelineInfo<span class="operator">,</span> <span class="number">0</span><span class="operator">,</span> <span class="keyword">sizeof</span>(pipelineInfo));
pipelineInfo<span class="operator">.</span>sType <span class="operator">=</span> VK_STRUCTURE_TYPE_GRAPHICS_PIPELINE_CREATE_INFO;
VkPipelineShaderStageCreateInfo shaderStages<span class="operator">[</span><span class="number">2</span><span class="operator">]</span> <span class="operator">=</span> {
{
VK_STRUCTURE_TYPE_PIPELINE_SHADER_STAGE_CREATE_INFO<span class="operator">,</span>
nullptr<span class="operator">,</span>
<span class="number">0</span><span class="operator">,</span>
VK_SHADER_STAGE_VERTEX_BIT<span class="operator">,</span>
m_itemMaterial<span class="operator">.</span>vs<span class="operator">.</span>data()<span class="operator">-</span><span class="operator">></span>shaderModule<span class="operator">,</span>
<span class="string">"main"</span><span class="operator">,</span>
nullptr
}<span class="operator">,</span>
{
VK_STRUCTURE_TYPE_PIPELINE_SHADER_STAGE_CREATE_INFO<span class="operator">,</span>
nullptr<span class="operator">,</span>
<span class="number">0</span><span class="operator">,</span>
VK_SHADER_STAGE_FRAGMENT_BIT<span class="operator">,</span>
m_itemMaterial<span class="operator">.</span>fs<span class="operator">.</span>data()<span class="operator">-</span><span class="operator">></span>shaderModule<span class="operator">,</span>
<span class="string">"main"</span><span class="operator">,</span>
nullptr
}
};
pipelineInfo<span class="operator">.</span>stageCount <span class="operator">=</span> <span class="number">2</span>;
pipelineInfo<span class="operator">.</span>pStages <span class="operator">=</span> shaderStages;
pipelineInfo<span class="operator">.</span>pVertexInputState <span class="operator">=</span> <span class="operator">&</span>vertexInputInfo;
VkPipelineInputAssemblyStateCreateInfo ia;
memset(<span class="operator">&</span>ia<span class="operator">,</span> <span class="number">0</span><span class="operator">,</span> <span class="keyword">sizeof</span>(ia));
ia<span class="operator">.</span>sType <span class="operator">=</span> VK_STRUCTURE_TYPE_PIPELINE_INPUT_ASSEMBLY_STATE_CREATE_INFO;
ia<span class="operator">.</span>topology <span class="operator">=</span> VK_PRIMITIVE_TOPOLOGY_TRIANGLE_LIST;
pipelineInfo<span class="operator">.</span>pInputAssemblyState <span class="operator">=</span> <span class="operator">&</span>ia;
VkPipelineViewportStateCreateInfo vp;
memset(<span class="operator">&</span>vp<span class="operator">,</span> <span class="number">0</span><span class="operator">,</span> <span class="keyword">sizeof</span>(vp));
vp<span class="operator">.</span>sType <span class="operator">=</span> VK_STRUCTURE_TYPE_PIPELINE_VIEWPORT_STATE_CREATE_INFO;
vp<span class="operator">.</span>viewportCount <span class="operator">=</span> <span class="number">1</span>;
vp<span class="operator">.</span>scissorCount <span class="operator">=</span> <span class="number">1</span>;
pipelineInfo<span class="operator">.</span>pViewportState <span class="operator">=</span> <span class="operator">&</span>vp;
VkPipelineRasterizationStateCreateInfo rs;
memset(<span class="operator">&</span>rs<span class="operator">,</span> <span class="number">0</span><span class="operator">,</span> <span class="keyword">sizeof</span>(rs));
rs<span class="operator">.</span>sType <span class="operator">=</span> VK_STRUCTURE_TYPE_PIPELINE_RASTERIZATION_STATE_CREATE_INFO;
rs<span class="operator">.</span>polygonMode <span class="operator">=</span> VK_POLYGON_MODE_FILL;
rs<span class="operator">.</span>cullMode <span class="operator">=</span> VK_CULL_MODE_BACK_BIT;
rs<span class="operator">.</span>frontFace <span class="operator">=</span> VK_FRONT_FACE_COUNTER_CLOCKWISE;
rs<span class="operator">.</span>lineWidth <span class="operator">=</span> <span class="number">1.0f</span>;
pipelineInfo<span class="operator">.</span>pRasterizationState <span class="operator">=</span> <span class="operator">&</span>rs;
VkPipelineMultisampleStateCreateInfo ms;
memset(<span class="operator">&</span>ms<span class="operator">,</span> <span class="number">0</span><span class="operator">,</span> <span class="keyword">sizeof</span>(ms));
ms<span class="operator">.</span>sType <span class="operator">=</span> VK_STRUCTURE_TYPE_PIPELINE_MULTISAMPLE_STATE_CREATE_INFO;
ms<span class="operator">.</span>rasterizationSamples <span class="operator">=</span> m_window<span class="operator">-</span><span class="operator">></span>sampleCountFlagBits();
pipelineInfo<span class="operator">.</span>pMultisampleState <span class="operator">=</span> <span class="operator">&</span>ms;
VkPipelineDepthStencilStateCreateInfo ds;
memset(<span class="operator">&</span>ds<span class="operator">,</span> <span class="number">0</span><span class="operator">,</span> <span class="keyword">sizeof</span>(ds));
ds<span class="operator">.</span>sType <span class="operator">=</span> VK_STRUCTURE_TYPE_PIPELINE_DEPTH_STENCIL_STATE_CREATE_INFO;
ds<span class="operator">.</span>depthTestEnable <span class="operator">=</span> VK_TRUE;
ds<span class="operator">.</span>depthWriteEnable <span class="operator">=</span> VK_TRUE;
ds<span class="operator">.</span>depthCompareOp <span class="operator">=</span> VK_COMPARE_OP_LESS_OR_EQUAL;
pipelineInfo<span class="operator">.</span>pDepthStencilState <span class="operator">=</span> <span class="operator">&</span>ds;
VkPipelineColorBlendStateCreateInfo cb;
memset(<span class="operator">&</span>cb<span class="operator">,</span> <span class="number">0</span><span class="operator">,</span> <span class="keyword">sizeof</span>(cb));
cb<span class="operator">.</span>sType <span class="operator">=</span> VK_STRUCTURE_TYPE_PIPELINE_COLOR_BLEND_STATE_CREATE_INFO;
VkPipelineColorBlendAttachmentState att;
memset(<span class="operator">&</span>att<span class="operator">,</span> <span class="number">0</span><span class="operator">,</span> <span class="keyword">sizeof</span>(att));
att<span class="operator">.</span>colorWriteMask <span class="operator">=</span> <span class="number">0xF</span>;
cb<span class="operator">.</span>attachmentCount <span class="operator">=</span> <span class="number">1</span>;
cb<span class="operator">.</span>pAttachments <span class="operator">=</span> <span class="operator">&</span>att;
pipelineInfo<span class="operator">.</span>pColorBlendState <span class="operator">=</span> <span class="operator">&</span>cb;
VkDynamicState dynEnable<span class="operator">[</span><span class="operator">]</span> <span class="operator">=</span> { VK_DYNAMIC_STATE_VIEWPORT<span class="operator">,</span> VK_DYNAMIC_STATE_SCISSOR };
VkPipelineDynamicStateCreateInfo dyn;
memset(<span class="operator">&</span>dyn<span class="operator">,</span> <span class="number">0</span><span class="operator">,</span> <span class="keyword">sizeof</span>(dyn));
dyn<span class="operator">.</span>sType <span class="operator">=</span> VK_STRUCTURE_TYPE_PIPELINE_DYNAMIC_STATE_CREATE_INFO;
dyn<span class="operator">.</span>dynamicStateCount <span class="operator">=</span> <span class="keyword">sizeof</span>(dynEnable) <span class="operator">/</span> <span class="keyword">sizeof</span>(VkDynamicState);
dyn<span class="operator">.</span>pDynamicStates <span class="operator">=</span> dynEnable;
pipelineInfo<span class="operator">.</span>pDynamicState <span class="operator">=</span> <span class="operator">&</span>dyn;
pipelineInfo<span class="operator">.</span>layout <span class="operator">=</span> m_itemMaterial<span class="operator">.</span>pipelineLayout;
pipelineInfo<span class="operator">.</span>renderPass <span class="operator">=</span> m_window<span class="operator">-</span><span class="operator">></span>defaultRenderPass();
err <span class="operator">=</span> m_devFuncs<span class="operator">-</span><span class="operator">></span>vkCreateGraphicsPipelines(dev<span class="operator">,</span> m_pipelineCache<span class="operator">,</span> <span class="number">1</span><span class="operator">,</span> <span class="operator">&</span>pipelineInfo<span class="operator">,</span> nullptr<span class="operator">,</span> <span class="operator">&</span>m_itemMaterial<span class="operator">.</span>pipeline);
<span class="keyword">if</span> (err <span class="operator">!</span><span class="operator">=</span> VK_SUCCESS)
<a href="../qtcore/qtglobal.html#qFatal">qFatal</a>(<span class="string">"Failed to create graphics pipeline: %d"</span><span class="operator">,</span> err);
}
<span class="type">void</span> Renderer<span class="operator">::</span>createFloorPipeline()
{
VkDevice dev <span class="operator">=</span> m_window<span class="operator">-</span><span class="operator">></span>device();
<span class="comment">// Vertex layout.</span>
VkVertexInputBindingDescription vertexBindingDesc <span class="operator">=</span> {
<span class="number">0</span><span class="operator">,</span> <span class="comment">// binding</span>
<span class="number">3</span> <span class="operator">*</span> <span class="keyword">sizeof</span>(<span class="type">float</span>)<span class="operator">,</span>
VK_VERTEX_INPUT_RATE_VERTEX
};
VkVertexInputAttributeDescription vertexAttrDesc<span class="operator">[</span><span class="operator">]</span> <span class="operator">=</span> {
{ <span class="comment">// position</span>
<span class="number">0</span><span class="operator">,</span> <span class="comment">// location</span>
<span class="number">0</span><span class="operator">,</span> <span class="comment">// binding</span>
VK_FORMAT_R32G32B32_SFLOAT<span class="operator">,</span>
<span class="number">0</span> <span class="comment">// offset</span>
}<span class="operator">,</span>
};
VkPipelineVertexInputStateCreateInfo vertexInputInfo;
vertexInputInfo<span class="operator">.</span>sType <span class="operator">=</span> VK_STRUCTURE_TYPE_PIPELINE_VERTEX_INPUT_STATE_CREATE_INFO;
vertexInputInfo<span class="operator">.</span>pNext <span class="operator">=</span> nullptr;
vertexInputInfo<span class="operator">.</span>flags <span class="operator">=</span> <span class="number">0</span>;
vertexInputInfo<span class="operator">.</span>vertexBindingDescriptionCount <span class="operator">=</span> <span class="number">1</span>;
vertexInputInfo<span class="operator">.</span>pVertexBindingDescriptions <span class="operator">=</span> <span class="operator">&</span>vertexBindingDesc;
vertexInputInfo<span class="operator">.</span>vertexAttributeDescriptionCount <span class="operator">=</span> <span class="keyword">sizeof</span>(vertexAttrDesc) <span class="operator">/</span> <span class="keyword">sizeof</span>(vertexAttrDesc<span class="operator">[</span><span class="number">0</span><span class="operator">]</span>);
vertexInputInfo<span class="operator">.</span>pVertexAttributeDescriptions <span class="operator">=</span> vertexAttrDesc;
<span class="comment">// Do not bother with uniform buffers and descriptors, all the data fits</span>
<span class="comment">// into the spec mandated minimum of 128 bytes for push constants.</span>
VkPushConstantRange pcr<span class="operator">[</span><span class="operator">]</span> <span class="operator">=</span> {
<span class="comment">// mvp</span>
{
VK_SHADER_STAGE_VERTEX_BIT<span class="operator">,</span>
<span class="number">0</span><span class="operator">,</span>
<span class="number">64</span>
}<span class="operator">,</span>
<span class="comment">// color</span>
{
VK_SHADER_STAGE_FRAGMENT_BIT<span class="operator">,</span>
<span class="number">64</span><span class="operator">,</span>
<span class="number">12</span>
}
};
VkPipelineLayoutCreateInfo pipelineLayoutInfo;
memset(<span class="operator">&</span>pipelineLayoutInfo<span class="operator">,</span> <span class="number">0</span><span class="operator">,</span> <span class="keyword">sizeof</span>(pipelineLayoutInfo));
pipelineLayoutInfo<span class="operator">.</span>sType <span class="operator">=</span> VK_STRUCTURE_TYPE_PIPELINE_LAYOUT_CREATE_INFO;
pipelineLayoutInfo<span class="operator">.</span>pushConstantRangeCount <span class="operator">=</span> <span class="keyword">sizeof</span>(pcr) <span class="operator">/</span> <span class="keyword">sizeof</span>(pcr<span class="operator">[</span><span class="number">0</span><span class="operator">]</span>);
pipelineLayoutInfo<span class="operator">.</span>pPushConstantRanges <span class="operator">=</span> pcr;
VkResult err <span class="operator">=</span> m_devFuncs<span class="operator">-</span><span class="operator">></span>vkCreatePipelineLayout(dev<span class="operator">,</span> <span class="operator">&</span>pipelineLayoutInfo<span class="operator">,</span> nullptr<span class="operator">,</span> <span class="operator">&</span>m_floorMaterial<span class="operator">.</span>pipelineLayout);
<span class="keyword">if</span> (err <span class="operator">!</span><span class="operator">=</span> VK_SUCCESS)
<a href="../qtcore/qtglobal.html#qFatal">qFatal</a>(<span class="string">"Failed to create pipeline layout: %d"</span><span class="operator">,</span> err);
VkGraphicsPipelineCreateInfo pipelineInfo;
memset(<span class="operator">&</span>pipelineInfo<span class="operator">,</span> <span class="number">0</span><span class="operator">,</span> <span class="keyword">sizeof</span>(pipelineInfo));
pipelineInfo<span class="operator">.</span>sType <span class="operator">=</span> VK_STRUCTURE_TYPE_GRAPHICS_PIPELINE_CREATE_INFO;
VkPipelineShaderStageCreateInfo shaderStages<span class="operator">[</span><span class="number">2</span><span class="operator">]</span> <span class="operator">=</span> {
{
VK_STRUCTURE_TYPE_PIPELINE_SHADER_STAGE_CREATE_INFO<span class="operator">,</span>
nullptr<span class="operator">,</span>
<span class="number">0</span><span class="operator">,</span>
VK_SHADER_STAGE_VERTEX_BIT<span class="operator">,</span>
m_floorMaterial<span class="operator">.</span>vs<span class="operator">.</span>data()<span class="operator">-</span><span class="operator">></span>shaderModule<span class="operator">,</span>
<span class="string">"main"</span><span class="operator">,</span>
nullptr
}<span class="operator">,</span>
{
VK_STRUCTURE_TYPE_PIPELINE_SHADER_STAGE_CREATE_INFO<span class="operator">,</span>
nullptr<span class="operator">,</span>
<span class="number">0</span><span class="operator">,</span>
VK_SHADER_STAGE_FRAGMENT_BIT<span class="operator">,</span>
m_floorMaterial<span class="operator">.</span>fs<span class="operator">.</span>data()<span class="operator">-</span><span class="operator">></span>shaderModule<span class="operator">,</span>
<span class="string">"main"</span><span class="operator">,</span>
nullptr
}
};
pipelineInfo<span class="operator">.</span>stageCount <span class="operator">=</span> <span class="number">2</span>;
pipelineInfo<span class="operator">.</span>pStages <span class="operator">=</span> shaderStages;
pipelineInfo<span class="operator">.</span>pVertexInputState <span class="operator">=</span> <span class="operator">&</span>vertexInputInfo;
VkPipelineInputAssemblyStateCreateInfo ia;
memset(<span class="operator">&</span>ia<span class="operator">,</span> <span class="number">0</span><span class="operator">,</span> <span class="keyword">sizeof</span>(ia));
ia<span class="operator">.</span>sType <span class="operator">=</span> VK_STRUCTURE_TYPE_PIPELINE_INPUT_ASSEMBLY_STATE_CREATE_INFO;
ia<span class="operator">.</span>topology <span class="operator">=</span> VK_PRIMITIVE_TOPOLOGY_TRIANGLE_STRIP;
pipelineInfo<span class="operator">.</span>pInputAssemblyState <span class="operator">=</span> <span class="operator">&</span>ia;
VkPipelineViewportStateCreateInfo vp;
memset(<span class="operator">&</span>vp<span class="operator">,</span> <span class="number">0</span><span class="operator">,</span> <span class="keyword">sizeof</span>(vp));
vp<span class="operator">.</span>sType <span class="operator">=</span> VK_STRUCTURE_TYPE_PIPELINE_VIEWPORT_STATE_CREATE_INFO;
vp<span class="operator">.</span>viewportCount <span class="operator">=</span> <span class="number">1</span>;
vp<span class="operator">.</span>scissorCount <span class="operator">=</span> <span class="number">1</span>;
pipelineInfo<span class="operator">.</span>pViewportState <span class="operator">=</span> <span class="operator">&</span>vp;
VkPipelineRasterizationStateCreateInfo rs;
memset(<span class="operator">&</span>rs<span class="operator">,</span> <span class="number">0</span><span class="operator">,</span> <span class="keyword">sizeof</span>(rs));
rs<span class="operator">.</span>sType <span class="operator">=</span> VK_STRUCTURE_TYPE_PIPELINE_RASTERIZATION_STATE_CREATE_INFO;
rs<span class="operator">.</span>polygonMode <span class="operator">=</span> VK_POLYGON_MODE_FILL;
rs<span class="operator">.</span>cullMode <span class="operator">=</span> VK_CULL_MODE_BACK_BIT;
rs<span class="operator">.</span>frontFace <span class="operator">=</span> VK_FRONT_FACE_CLOCKWISE;
rs<span class="operator">.</span>lineWidth <span class="operator">=</span> <span class="number">1.0f</span>;
pipelineInfo<span class="operator">.</span>pRasterizationState <span class="operator">=</span> <span class="operator">&</span>rs;
VkPipelineMultisampleStateCreateInfo ms;
memset(<span class="operator">&</span>ms<span class="operator">,</span> <span class="number">0</span><span class="operator">,</span> <span class="keyword">sizeof</span>(ms));
ms<span class="operator">.</span>sType <span class="operator">=</span> VK_STRUCTURE_TYPE_PIPELINE_MULTISAMPLE_STATE_CREATE_INFO;
ms<span class="operator">.</span>rasterizationSamples <span class="operator">=</span> m_window<span class="operator">-</span><span class="operator">></span>sampleCountFlagBits();
pipelineInfo<span class="operator">.</span>pMultisampleState <span class="operator">=</span> <span class="operator">&</span>ms;
VkPipelineDepthStencilStateCreateInfo ds;
memset(<span class="operator">&</span>ds<span class="operator">,</span> <span class="number">0</span><span class="operator">,</span> <span class="keyword">sizeof</span>(ds));
ds<span class="operator">.</span>sType <span class="operator">=</span> VK_STRUCTURE_TYPE_PIPELINE_DEPTH_STENCIL_STATE_CREATE_INFO;
ds<span class="operator">.</span>depthTestEnable <span class="operator">=</span> VK_TRUE;
ds<span class="operator">.</span>depthWriteEnable <span class="operator">=</span> VK_TRUE;
ds<span class="operator">.</span>depthCompareOp <span class="operator">=</span> VK_COMPARE_OP_LESS_OR_EQUAL;
pipelineInfo<span class="operator">.</span>pDepthStencilState <span class="operator">=</span> <span class="operator">&</span>ds;
VkPipelineColorBlendStateCreateInfo cb;
memset(<span class="operator">&</span>cb<span class="operator">,</span> <span class="number">0</span><span class="operator">,</span> <span class="keyword">sizeof</span>(cb));
cb<span class="operator">.</span>sType <span class="operator">=</span> VK_STRUCTURE_TYPE_PIPELINE_COLOR_BLEND_STATE_CREATE_INFO;
VkPipelineColorBlendAttachmentState att;
memset(<span class="operator">&</span>att<span class="operator">,</span> <span class="number">0</span><span class="operator">,</span> <span class="keyword">sizeof</span>(att));
att<span class="operator">.</span>colorWriteMask <span class="operator">=</span> <span class="number">0xF</span>;
cb<span class="operator">.</span>attachmentCount <span class="operator">=</span> <span class="number">1</span>;
cb<span class="operator">.</span>pAttachments <span class="operator">=</span> <span class="operator">&</span>att;
pipelineInfo<span class="operator">.</span>pColorBlendState <span class="operator">=</span> <span class="operator">&</span>cb;
VkDynamicState dynEnable<span class="operator">[</span><span class="operator">]</span> <span class="operator">=</span> { VK_DYNAMIC_STATE_VIEWPORT<span class="operator">,</span> VK_DYNAMIC_STATE_SCISSOR };
VkPipelineDynamicStateCreateInfo dyn;
memset(<span class="operator">&</span>dyn<span class="operator">,</span> <span class="number">0</span><span class="operator">,</span> <span class="keyword">sizeof</span>(dyn));
dyn<span class="operator">.</span>sType <span class="operator">=</span> VK_STRUCTURE_TYPE_PIPELINE_DYNAMIC_STATE_CREATE_INFO;
dyn<span class="operator">.</span>dynamicStateCount <span class="operator">=</span> <span class="keyword">sizeof</span>(dynEnable) <span class="operator">/</span> <span class="keyword">sizeof</span>(VkDynamicState);
dyn<span class="operator">.</span>pDynamicStates <span class="operator">=</span> dynEnable;
pipelineInfo<span class="operator">.</span>pDynamicState <span class="operator">=</span> <span class="operator">&</span>dyn;
pipelineInfo<span class="operator">.</span>layout <span class="operator">=</span> m_floorMaterial<span class="operator">.</span>pipelineLayout;
pipelineInfo<span class="operator">.</span>renderPass <span class="operator">=</span> m_window<span class="operator">-</span><span class="operator">></span>defaultRenderPass();
err <span class="operator">=</span> m_devFuncs<span class="operator">-</span><span class="operator">></span>vkCreateGraphicsPipelines(dev<span class="operator">,</span> m_pipelineCache<span class="operator">,</span> <span class="number">1</span><span class="operator">,</span> <span class="operator">&</span>pipelineInfo<span class="operator">,</span> nullptr<span class="operator">,</span> <span class="operator">&</span>m_floorMaterial<span class="operator">.</span>pipeline);
<span class="keyword">if</span> (err <span class="operator">!</span><span class="operator">=</span> VK_SUCCESS)
<a href="../qtcore/qtglobal.html#qFatal">qFatal</a>(<span class="string">"Failed to create graphics pipeline: %d"</span><span class="operator">,</span> err);
}
<span class="type">void</span> Renderer<span class="operator">::</span>initSwapChainResources()
{
m_proj <span class="operator">=</span> m_window<span class="operator">-</span><span class="operator">></span>clipCorrectionMatrix();
<span class="keyword">const</span> <span class="type"><a href="../qtcore/qsize.html">QSize</a></span> sz <span class="operator">=</span> m_window<span class="operator">-</span><span class="operator">></span>swapChainImageSize();
m_proj<span class="operator">.</span>perspective(<span class="number">45.0f</span><span class="operator">,</span> sz<span class="operator">.</span>width() <span class="operator">/</span> (<span class="type">float</span>) sz<span class="operator">.</span>height()<span class="operator">,</span> <span class="number">0.01f</span><span class="operator">,</span> <span class="number">1000.0f</span>);
markViewProjDirty();
}
<span class="type">void</span> Renderer<span class="operator">::</span>releaseSwapChainResources()
{
<span class="comment">// It is important to finish the pending frame right here since this is the</span>
<span class="comment">// last opportunity to act with all resources intact.</span>
m_frameWatcher<span class="operator">.</span>waitForFinished();
<span class="comment">// Cannot count on the finished() signal being emitted before returning</span>
<span class="comment">// from here.</span>
<span class="keyword">if</span> (m_framePending) {
m_framePending <span class="operator">=</span> <span class="keyword">false</span>;
m_window<span class="operator">-</span><span class="operator">></span>frameReady();
}
}
<span class="type">void</span> Renderer<span class="operator">::</span>releaseResources()
{
<span class="keyword">if</span> (DBG)
<a href="../qtcore/qtglobal.html#qDebug">qDebug</a>(<span class="string">"Renderer release"</span>);
m_pipelinesFuture<span class="operator">.</span>waitForFinished();
VkDevice dev <span class="operator">=</span> m_window<span class="operator">-</span><span class="operator">></span>device();
<span class="keyword">if</span> (m_itemMaterial<span class="operator">.</span>descSetLayout) {
m_devFuncs<span class="operator">-</span><span class="operator">></span>vkDestroyDescriptorSetLayout(dev<span class="operator">,</span> m_itemMaterial<span class="operator">.</span>descSetLayout<span class="operator">,</span> nullptr);
m_itemMaterial<span class="operator">.</span>descSetLayout <span class="operator">=</span> VK_NULL_HANDLE;
}
<span class="keyword">if</span> (m_itemMaterial<span class="operator">.</span>descPool) {
m_devFuncs<span class="operator">-</span><span class="operator">></span>vkDestroyDescriptorPool(dev<span class="operator">,</span> m_itemMaterial<span class="operator">.</span>descPool<span class="operator">,</span> nullptr);
m_itemMaterial<span class="operator">.</span>descPool <span class="operator">=</span> VK_NULL_HANDLE;
}
<span class="keyword">if</span> (m_itemMaterial<span class="operator">.</span>pipeline) {
m_devFuncs<span class="operator">-</span><span class="operator">></span>vkDestroyPipeline(dev<span class="operator">,</span> m_itemMaterial<span class="operator">.</span>pipeline<span class="operator">,</span> nullptr);
m_itemMaterial<span class="operator">.</span>pipeline <span class="operator">=</span> VK_NULL_HANDLE;
}
<span class="keyword">if</span> (m_itemMaterial<span class="operator">.</span>pipelineLayout) {
m_devFuncs<span class="operator">-</span><span class="operator">></span>vkDestroyPipelineLayout(dev<span class="operator">,</span> m_itemMaterial<span class="operator">.</span>pipelineLayout<span class="operator">,</span> nullptr);
m_itemMaterial<span class="operator">.</span>pipelineLayout <span class="operator">=</span> VK_NULL_HANDLE;
}
<span class="keyword">if</span> (m_floorMaterial<span class="operator">.</span>pipeline) {
m_devFuncs<span class="operator">-</span><span class="operator">></span>vkDestroyPipeline(dev<span class="operator">,</span> m_floorMaterial<span class="operator">.</span>pipeline<span class="operator">,</span> nullptr);
m_floorMaterial<span class="operator">.</span>pipeline <span class="operator">=</span> VK_NULL_HANDLE;
}
<span class="keyword">if</span> (m_floorMaterial<span class="operator">.</span>pipelineLayout) {
m_devFuncs<span class="operator">-</span><span class="operator">></span>vkDestroyPipelineLayout(dev<span class="operator">,</span> m_floorMaterial<span class="operator">.</span>pipelineLayout<span class="operator">,</span> nullptr);
m_floorMaterial<span class="operator">.</span>pipelineLayout <span class="operator">=</span> VK_NULL_HANDLE;
}
<span class="keyword">if</span> (m_pipelineCache) {
m_devFuncs<span class="operator">-</span><span class="operator">></span>vkDestroyPipelineCache(dev<span class="operator">,</span> m_pipelineCache<span class="operator">,</span> nullptr);
m_pipelineCache <span class="operator">=</span> VK_NULL_HANDLE;
}
<span class="keyword">if</span> (m_blockVertexBuf) {
m_devFuncs<span class="operator">-</span><span class="operator">></span>vkDestroyBuffer(dev<span class="operator">,</span> m_blockVertexBuf<span class="operator">,</span> nullptr);
m_blockVertexBuf <span class="operator">=</span> VK_NULL_HANDLE;
}
<span class="keyword">if</span> (m_logoVertexBuf) {
m_devFuncs<span class="operator">-</span><span class="operator">></span>vkDestroyBuffer(dev<span class="operator">,</span> m_logoVertexBuf<span class="operator">,</span> nullptr);
m_logoVertexBuf <span class="operator">=</span> VK_NULL_HANDLE;
}
<span class="keyword">if</span> (m_floorVertexBuf) {
m_devFuncs<span class="operator">-</span><span class="operator">></span>vkDestroyBuffer(dev<span class="operator">,</span> m_floorVertexBuf<span class="operator">,</span> nullptr);
m_floorVertexBuf <span class="operator">=</span> VK_NULL_HANDLE;
}
<span class="keyword">if</span> (m_uniBuf) {
m_devFuncs<span class="operator">-</span><span class="operator">></span>vkDestroyBuffer(dev<span class="operator">,</span> m_uniBuf<span class="operator">,</span> nullptr);
m_uniBuf <span class="operator">=</span> VK_NULL_HANDLE;
}
<span class="keyword">if</span> (m_bufMem) {
m_devFuncs<span class="operator">-</span><span class="operator">></span>vkFreeMemory(dev<span class="operator">,</span> m_bufMem<span class="operator">,</span> nullptr);
m_bufMem <span class="operator">=</span> VK_NULL_HANDLE;
}
<span class="keyword">if</span> (m_instBuf) {
m_devFuncs<span class="operator">-</span><span class="operator">></span>vkDestroyBuffer(dev<span class="operator">,</span> m_instBuf<span class="operator">,</span> nullptr);
m_instBuf <span class="operator">=</span> VK_NULL_HANDLE;
}
<span class="keyword">if</span> (m_instBufMem) {
m_devFuncs<span class="operator">-</span><span class="operator">></span>vkFreeMemory(dev<span class="operator">,</span> m_instBufMem<span class="operator">,</span> nullptr);
m_instBufMem <span class="operator">=</span> VK_NULL_HANDLE;
}
<span class="keyword">if</span> (m_itemMaterial<span class="operator">.</span>vs<span class="operator">.</span>isValid()) {
m_devFuncs<span class="operator">-</span><span class="operator">></span>vkDestroyShaderModule(dev<span class="operator">,</span> m_itemMaterial<span class="operator">.</span>vs<span class="operator">.</span>data()<span class="operator">-</span><span class="operator">></span>shaderModule<span class="operator">,</span> nullptr);
m_itemMaterial<span class="operator">.</span>vs<span class="operator">.</span>reset();
}
<span class="keyword">if</span> (m_itemMaterial<span class="operator">.</span>fs<span class="operator">.</span>isValid()) {
m_devFuncs<span class="operator">-</span><span class="operator">></span>vkDestroyShaderModule(dev<span class="operator">,</span> m_itemMaterial<span class="operator">.</span>fs<span class="operator">.</span>data()<span class="operator">-</span><span class="operator">></span>shaderModule<span class="operator">,</span> nullptr);
m_itemMaterial<span class="operator">.</span>fs<span class="operator">.</span>reset();
}
<span class="keyword">if</span> (m_floorMaterial<span class="operator">.</span>vs<span class="operator">.</span>isValid()) {
m_devFuncs<span class="operator">-</span><span class="operator">></span>vkDestroyShaderModule(dev<span class="operator">,</span> m_floorMaterial<span class="operator">.</span>vs<span class="operator">.</span>data()<span class="operator">-</span><span class="operator">></span>shaderModule<span class="operator">,</span> nullptr);
m_floorMaterial<span class="operator">.</span>vs<span class="operator">.</span>reset();
}
<span class="keyword">if</span> (m_floorMaterial<span class="operator">.</span>fs<span class="operator">.</span>isValid()) {
m_devFuncs<span class="operator">-</span><span class="operator">></span>vkDestroyShaderModule(dev<span class="operator">,</span> m_floorMaterial<span class="operator">.</span>fs<span class="operator">.</span>data()<span class="operator">-</span><span class="operator">></span>shaderModule<span class="operator">,</span> nullptr);
m_floorMaterial<span class="operator">.</span>fs<span class="operator">.</span>reset();
}
}
<span class="type">void</span> Renderer<span class="operator">::</span>ensureBuffers()
{
<span class="keyword">if</span> (m_blockVertexBuf)
<span class="keyword">return</span>;
VkDevice dev <span class="operator">=</span> m_window<span class="operator">-</span><span class="operator">></span>device();
<span class="keyword">const</span> <span class="type">int</span> concurrentFrameCount <span class="operator">=</span> m_window<span class="operator">-</span><span class="operator">></span>concurrentFrameCount();
<span class="comment">// Vertex buffer for the block.</span>
VkBufferCreateInfo bufInfo;
memset(<span class="operator">&</span>bufInfo<span class="operator">,</span> <span class="number">0</span><span class="operator">,</span> <span class="keyword">sizeof</span>(bufInfo));
bufInfo<span class="operator">.</span>sType <span class="operator">=</span> VK_STRUCTURE_TYPE_BUFFER_CREATE_INFO;
<span class="keyword">const</span> <span class="type">int</span> blockMeshByteCount <span class="operator">=</span> m_blockMesh<span class="operator">.</span>data()<span class="operator">-</span><span class="operator">></span>vertexCount <span class="operator">*</span> <span class="number">8</span> <span class="operator">*</span> <span class="keyword">sizeof</span>(<span class="type">float</span>);
bufInfo<span class="operator">.</span>size <span class="operator">=</span> blockMeshByteCount;
bufInfo<span class="operator">.</span>usage <span class="operator">=</span> VK_BUFFER_USAGE_VERTEX_BUFFER_BIT;
VkResult err <span class="operator">=</span> m_devFuncs<span class="operator">-</span><span class="operator">></span>vkCreateBuffer(dev<span class="operator">,</span> <span class="operator">&</span>bufInfo<span class="operator">,</span> nullptr<span class="operator">,</span> <span class="operator">&</span>m_blockVertexBuf);
<span class="keyword">if</span> (err <span class="operator">!</span><span class="operator">=</span> VK_SUCCESS)
<a href="../qtcore/qtglobal.html#qFatal">qFatal</a>(<span class="string">"Failed to create vertex buffer: %d"</span><span class="operator">,</span> err);
VkMemoryRequirements blockVertMemReq;
m_devFuncs<span class="operator">-</span><span class="operator">></span>vkGetBufferMemoryRequirements(dev<span class="operator">,</span> m_blockVertexBuf<span class="operator">,</span> <span class="operator">&</span>blockVertMemReq);
<span class="comment">// Vertex buffer for the logo.</span>
<span class="keyword">const</span> <span class="type">int</span> logoMeshByteCount <span class="operator">=</span> m_logoMesh<span class="operator">.</span>data()<span class="operator">-</span><span class="operator">></span>vertexCount <span class="operator">*</span> <span class="number">8</span> <span class="operator">*</span> <span class="keyword">sizeof</span>(<span class="type">float</span>);
bufInfo<span class="operator">.</span>size <span class="operator">=</span> logoMeshByteCount;
bufInfo<span class="operator">.</span>usage <span class="operator">=</span> VK_BUFFER_USAGE_VERTEX_BUFFER_BIT;
err <span class="operator">=</span> m_devFuncs<span class="operator">-</span><span class="operator">></span>vkCreateBuffer(dev<span class="operator">,</span> <span class="operator">&</span>bufInfo<span class="operator">,</span> nullptr<span class="operator">,</span> <span class="operator">&</span>m_logoVertexBuf);
<span class="keyword">if</span> (err <span class="operator">!</span><span class="operator">=</span> VK_SUCCESS)
<a href="../qtcore/qtglobal.html#qFatal">qFatal</a>(<span class="string">"Failed to create vertex buffer: %d"</span><span class="operator">,</span> err);
VkMemoryRequirements logoVertMemReq;
m_devFuncs<span class="operator">-</span><span class="operator">></span>vkGetBufferMemoryRequirements(dev<span class="operator">,</span> m_logoVertexBuf<span class="operator">,</span> <span class="operator">&</span>logoVertMemReq);
<span class="comment">// Vertex buffer for the floor.</span>
bufInfo<span class="operator">.</span>size <span class="operator">=</span> <span class="keyword">sizeof</span>(quadVert);
err <span class="operator">=</span> m_devFuncs<span class="operator">-</span><span class="operator">></span>vkCreateBuffer(dev<span class="operator">,</span> <span class="operator">&</span>bufInfo<span class="operator">,</span> nullptr<span class="operator">,</span> <span class="operator">&</span>m_floorVertexBuf);
<span class="keyword">if</span> (err <span class="operator">!</span><span class="operator">=</span> VK_SUCCESS)
<a href="../qtcore/qtglobal.html#qFatal">qFatal</a>(<span class="string">"Failed to create vertex buffer: %d"</span><span class="operator">,</span> err);
VkMemoryRequirements floorVertMemReq;
m_devFuncs<span class="operator">-</span><span class="operator">></span>vkGetBufferMemoryRequirements(dev<span class="operator">,</span> m_floorVertexBuf<span class="operator">,</span> <span class="operator">&</span>floorVertMemReq);
<span class="comment">// Uniform buffer. Instead of using multiple descriptor sets, we take a</span>
<span class="comment">// different approach: have a single dynamic uniform buffer and specify the</span>
<span class="comment">// active-frame-specific offset at the time of binding the descriptor set.</span>
bufInfo<span class="operator">.</span>size <span class="operator">=</span> (m_itemMaterial<span class="operator">.</span>vertUniSize <span class="operator">+</span> m_itemMaterial<span class="operator">.</span>fragUniSize) <span class="operator">*</span> concurrentFrameCount;
bufInfo<span class="operator">.</span>usage <span class="operator">=</span> VK_BUFFER_USAGE_UNIFORM_BUFFER_BIT;
err <span class="operator">=</span> m_devFuncs<span class="operator">-</span><span class="operator">></span>vkCreateBuffer(dev<span class="operator">,</span> <span class="operator">&</span>bufInfo<span class="operator">,</span> nullptr<span class="operator">,</span> <span class="operator">&</span>m_uniBuf);
<span class="keyword">if</span> (err <span class="operator">!</span><span class="operator">=</span> VK_SUCCESS)
<a href="../qtcore/qtglobal.html#qFatal">qFatal</a>(<span class="string">"Failed to create uniform buffer: %d"</span><span class="operator">,</span> err);
VkMemoryRequirements uniMemReq;
m_devFuncs<span class="operator">-</span><span class="operator">></span>vkGetBufferMemoryRequirements(dev<span class="operator">,</span> m_uniBuf<span class="operator">,</span> <span class="operator">&</span>uniMemReq);
<span class="comment">// Allocate memory for everything at once.</span>
VkDeviceSize logoVertStartOffset <span class="operator">=</span> aligned(<span class="number">0</span> <span class="operator">+</span> blockVertMemReq<span class="operator">.</span>size<span class="operator">,</span> logoVertMemReq<span class="operator">.</span>alignment);
VkDeviceSize floorVertStartOffset <span class="operator">=</span> aligned(logoVertStartOffset <span class="operator">+</span> logoVertMemReq<span class="operator">.</span>size<span class="operator">,</span> floorVertMemReq<span class="operator">.</span>alignment);
m_itemMaterial<span class="operator">.</span>uniMemStartOffset <span class="operator">=</span> aligned(floorVertStartOffset <span class="operator">+</span> floorVertMemReq<span class="operator">.</span>size<span class="operator">,</span> uniMemReq<span class="operator">.</span>alignment);
VkMemoryAllocateInfo memAllocInfo <span class="operator">=</span> {
VK_STRUCTURE_TYPE_MEMORY_ALLOCATE_INFO<span class="operator">,</span>
nullptr<span class="operator">,</span>
m_itemMaterial<span class="operator">.</span>uniMemStartOffset <span class="operator">+</span> uniMemReq<span class="operator">.</span>size<span class="operator">,</span>
m_window<span class="operator">-</span><span class="operator">></span>hostVisibleMemoryIndex()
};
err <span class="operator">=</span> m_devFuncs<span class="operator">-</span><span class="operator">></span>vkAllocateMemory(dev<span class="operator">,</span> <span class="operator">&</span>memAllocInfo<span class="operator">,</span> nullptr<span class="operator">,</span> <span class="operator">&</span>m_bufMem);
<span class="keyword">if</span> (err <span class="operator">!</span><span class="operator">=</span> VK_SUCCESS)
<a href="../qtcore/qtglobal.html#qFatal">qFatal</a>(<span class="string">"Failed to allocate memory: %d"</span><span class="operator">,</span> err);
err <span class="operator">=</span> m_devFuncs<span class="operator">-</span><span class="operator">></span>vkBindBufferMemory(dev<span class="operator">,</span> m_blockVertexBuf<span class="operator">,</span> m_bufMem<span class="operator">,</span> <span class="number">0</span>);
<span class="keyword">if</span> (err <span class="operator">!</span><span class="operator">=</span> VK_SUCCESS)
<a href="../qtcore/qtglobal.html#qFatal">qFatal</a>(<span class="string">"Failed to bind vertex buffer memory: %d"</span><span class="operator">,</span> err);
err <span class="operator">=</span> m_devFuncs<span class="operator">-</span><span class="operator">></span>vkBindBufferMemory(dev<span class="operator">,</span> m_logoVertexBuf<span class="operator">,</span> m_bufMem<span class="operator">,</span> logoVertStartOffset);
<span class="keyword">if</span> (err <span class="operator">!</span><span class="operator">=</span> VK_SUCCESS)
<a href="../qtcore/qtglobal.html#qFatal">qFatal</a>(<span class="string">"Failed to bind vertex buffer memory: %d"</span><span class="operator">,</span> err);
err <span class="operator">=</span> m_devFuncs<span class="operator">-</span><span class="operator">></span>vkBindBufferMemory(dev<span class="operator">,</span> m_floorVertexBuf<span class="operator">,</span> m_bufMem<span class="operator">,</span> floorVertStartOffset);
<span class="keyword">if</span> (err <span class="operator">!</span><span class="operator">=</span> VK_SUCCESS)
<a href="../qtcore/qtglobal.html#qFatal">qFatal</a>(<span class="string">"Failed to bind vertex buffer memory: %d"</span><span class="operator">,</span> err);
err <span class="operator">=</span> m_devFuncs<span class="operator">-</span><span class="operator">></span>vkBindBufferMemory(dev<span class="operator">,</span> m_uniBuf<span class="operator">,</span> m_bufMem<span class="operator">,</span> m_itemMaterial<span class="operator">.</span>uniMemStartOffset);
<span class="keyword">if</span> (err <span class="operator">!</span><span class="operator">=</span> VK_SUCCESS)
<a href="../qtcore/qtglobal.html#qFatal">qFatal</a>(<span class="string">"Failed to bind uniform buffer memory: %d"</span><span class="operator">,</span> err);
<span class="comment">// Copy vertex data.</span>
<span class="type"><a href="../qtcore/qtglobal.html#quint8-typedef">quint8</a></span> <span class="operator">*</span>p;
err <span class="operator">=</span> m_devFuncs<span class="operator">-</span><span class="operator">></span>vkMapMemory(dev<span class="operator">,</span> m_bufMem<span class="operator">,</span> <span class="number">0</span><span class="operator">,</span> m_itemMaterial<span class="operator">.</span>uniMemStartOffset<span class="operator">,</span> <span class="number">0</span><span class="operator">,</span> <span class="keyword">reinterpret_cast</span><span class="operator"><</span><span class="type">void</span> <span class="operator">*</span><span class="operator">*</span><span class="operator">></span>(<span class="operator">&</span>p));
<span class="keyword">if</span> (err <span class="operator">!</span><span class="operator">=</span> VK_SUCCESS)
<a href="../qtcore/qtglobal.html#qFatal">qFatal</a>(<span class="string">"Failed to map memory: %d"</span><span class="operator">,</span> err);
memcpy(p<span class="operator">,</span> m_blockMesh<span class="operator">.</span>data()<span class="operator">-</span><span class="operator">></span>geom<span class="operator">.</span>constData()<span class="operator">,</span> blockMeshByteCount);
memcpy(p <span class="operator">+</span> logoVertStartOffset<span class="operator">,</span> m_logoMesh<span class="operator">.</span>data()<span class="operator">-</span><span class="operator">></span>geom<span class="operator">.</span>constData()<span class="operator">,</span> logoMeshByteCount);
memcpy(p <span class="operator">+</span> floorVertStartOffset<span class="operator">,</span> quadVert<span class="operator">,</span> <span class="keyword">sizeof</span>(quadVert));
m_devFuncs<span class="operator">-</span><span class="operator">></span>vkUnmapMemory(dev<span class="operator">,</span> m_bufMem);
<span class="comment">// Write descriptors for the uniform buffers in the vertex and fragment shaders.</span>
VkDescriptorBufferInfo vertUni <span class="operator">=</span> { m_uniBuf<span class="operator">,</span> <span class="number">0</span><span class="operator">,</span> m_itemMaterial<span class="operator">.</span>vertUniSize };
VkDescriptorBufferInfo fragUni <span class="operator">=</span> { m_uniBuf<span class="operator">,</span> m_itemMaterial<span class="operator">.</span>vertUniSize<span class="operator">,</span> m_itemMaterial<span class="operator">.</span>fragUniSize };
VkWriteDescriptorSet descWrite<span class="operator">[</span><span class="number">2</span><span class="operator">]</span>;
memset(descWrite<span class="operator">,</span> <span class="number">0</span><span class="operator">,</span> <span class="keyword">sizeof</span>(descWrite));
descWrite<span class="operator">[</span><span class="number">0</span><span class="operator">]</span><span class="operator">.</span>sType <span class="operator">=</span> VK_STRUCTURE_TYPE_WRITE_DESCRIPTOR_SET;
descWrite<span class="operator">[</span><span class="number">0</span><span class="operator">]</span><span class="operator">.</span>dstSet <span class="operator">=</span> m_itemMaterial<span class="operator">.</span>descSet;
descWrite<span class="operator">[</span><span class="number">0</span><span class="operator">]</span><span class="operator">.</span>dstBinding <span class="operator">=</span> <span class="number">0</span>;
descWrite<span class="operator">[</span><span class="number">0</span><span class="operator">]</span><span class="operator">.</span>descriptorCount <span class="operator">=</span> <span class="number">1</span>;
descWrite<span class="operator">[</span><span class="number">0</span><span class="operator">]</span><span class="operator">.</span>descriptorType <span class="operator">=</span> VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER_DYNAMIC;
descWrite<span class="operator">[</span><span class="number">0</span><span class="operator">]</span><span class="operator">.</span>pBufferInfo <span class="operator">=</span> <span class="operator">&</span>vertUni;
descWrite<span class="operator">[</span><span class="number">1</span><span class="operator">]</span><span class="operator">.</span>sType <span class="operator">=</span> VK_STRUCTURE_TYPE_WRITE_DESCRIPTOR_SET;
descWrite<span class="operator">[</span><span class="number">1</span><span class="operator">]</span><span class="operator">.</span>dstSet <span class="operator">=</span> m_itemMaterial<span class="operator">.</span>descSet;
descWrite<span class="operator">[</span><span class="number">1</span><span class="operator">]</span><span class="operator">.</span>dstBinding <span class="operator">=</span> <span class="number">1</span>;
descWrite<span class="operator">[</span><span class="number">1</span><span class="operator">]</span><span class="operator">.</span>descriptorCount <span class="operator">=</span> <span class="number">1</span>;
descWrite<span class="operator">[</span><span class="number">1</span><span class="operator">]</span><span class="operator">.</span>descriptorType <span class="operator">=</span> VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER_DYNAMIC;
descWrite<span class="operator">[</span><span class="number">1</span><span class="operator">]</span><span class="operator">.</span>pBufferInfo <span class="operator">=</span> <span class="operator">&</span>fragUni;
m_devFuncs<span class="operator">-</span><span class="operator">></span>vkUpdateDescriptorSets(dev<span class="operator">,</span> <span class="number">2</span><span class="operator">,</span> descWrite<span class="operator">,</span> <span class="number">0</span><span class="operator">,</span> nullptr);
}
<span class="type">void</span> Renderer<span class="operator">::</span>ensureInstanceBuffer()
{
<span class="keyword">if</span> (m_instCount <span class="operator">=</span><span class="operator">=</span> m_preparedInstCount <span class="operator">&</span><span class="operator">&</span> m_instBuf)
<span class="keyword">return</span>;
Q_ASSERT(m_instCount <span class="operator"><</span><span class="operator">=</span> MAX_INSTANCES);
VkDevice dev <span class="operator">=</span> m_window<span class="operator">-</span><span class="operator">></span>device();
<span class="comment">// allocate only once, for the maximum instance count</span>
<span class="keyword">if</span> (<span class="operator">!</span>m_instBuf) {
VkBufferCreateInfo bufInfo;
memset(<span class="operator">&</span>bufInfo<span class="operator">,</span> <span class="number">0</span><span class="operator">,</span> <span class="keyword">sizeof</span>(bufInfo));
bufInfo<span class="operator">.</span>sType <span class="operator">=</span> VK_STRUCTURE_TYPE_BUFFER_CREATE_INFO;
bufInfo<span class="operator">.</span>size <span class="operator">=</span> MAX_INSTANCES <span class="operator">*</span> PER_INSTANCE_DATA_SIZE;
bufInfo<span class="operator">.</span>usage <span class="operator">=</span> VK_BUFFER_USAGE_VERTEX_BUFFER_BIT;
<span class="comment">// Keep a copy of the data since we may lose all graphics resources on</span>
<span class="comment">// unexpose, and reinitializing to new random positions afterwards</span>
<span class="comment">// would not be nice.</span>
m_instData<span class="operator">.</span>resize(bufInfo<span class="operator">.</span>size);
VkResult err <span class="operator">=</span> m_devFuncs<span class="operator">-</span><span class="operator">></span>vkCreateBuffer(dev<span class="operator">,</span> <span class="operator">&</span>bufInfo<span class="operator">,</span> nullptr<span class="operator">,</span> <span class="operator">&</span>m_instBuf);
<span class="keyword">if</span> (err <span class="operator">!</span><span class="operator">=</span> VK_SUCCESS)
<a href="../qtcore/qtglobal.html#qFatal">qFatal</a>(<span class="string">"Failed to create instance buffer: %d"</span><span class="operator">,</span> err);
VkMemoryRequirements memReq;
m_devFuncs<span class="operator">-</span><span class="operator">></span>vkGetBufferMemoryRequirements(dev<span class="operator">,</span> m_instBuf<span class="operator">,</span> <span class="operator">&</span>memReq);
<span class="keyword">if</span> (DBG)
<a href="../qtcore/qtglobal.html#qDebug">qDebug</a>(<span class="string">"Allocating %u bytes for instance data"</span><span class="operator">,</span> uint32_t(memReq<span class="operator">.</span>size));
VkMemoryAllocateInfo memAllocInfo <span class="operator">=</span> {
VK_STRUCTURE_TYPE_MEMORY_ALLOCATE_INFO<span class="operator">,</span>
nullptr<span class="operator">,</span>
memReq<span class="operator">.</span>size<span class="operator">,</span>
m_window<span class="operator">-</span><span class="operator">></span>hostVisibleMemoryIndex()
};
err <span class="operator">=</span> m_devFuncs<span class="operator">-</span><span class="operator">></span>vkAllocateMemory(dev<span class="operator">,</span> <span class="operator">&</span>memAllocInfo<span class="operator">,</span> nullptr<span class="operator">,</span> <span class="operator">&</span>m_instBufMem);
<span class="keyword">if</span> (err <span class="operator">!</span><span class="operator">=</span> VK_SUCCESS)
<a href="../qtcore/qtglobal.html#qFatal">qFatal</a>(<span class="string">"Failed to allocate memory: %d"</span><span class="operator">,</span> err);
err <span class="operator">=</span> m_devFuncs<span class="operator">-</span><span class="operator">></span>vkBindBufferMemory(dev<span class="operator">,</span> m_instBuf<span class="operator">,</span> m_instBufMem<span class="operator">,</span> <span class="number">0</span>);
<span class="keyword">if</span> (err <span class="operator">!</span><span class="operator">=</span> VK_SUCCESS)
<a href="../qtcore/qtglobal.html#qFatal">qFatal</a>(<span class="string">"Failed to bind instance buffer memory: %d"</span><span class="operator">,</span> err);
}
<span class="keyword">if</span> (m_instCount <span class="operator">!</span><span class="operator">=</span> m_preparedInstCount) {
<span class="keyword">if</span> (DBG)
<a href="../qtcore/qtglobal.html#qDebug">qDebug</a>(<span class="string">"Preparing instances %d..%d"</span><span class="operator">,</span> m_preparedInstCount<span class="operator">,</span> m_instCount <span class="operator">-</span> <span class="number">1</span>);
<span class="type">char</span> <span class="operator">*</span>p <span class="operator">=</span> m_instData<span class="operator">.</span>data();
p <span class="operator">+</span><span class="operator">=</span> m_preparedInstCount <span class="operator">*</span> PER_INSTANCE_DATA_SIZE;
<span class="keyword">auto</span> gen <span class="operator">=</span> <span class="operator">[</span><span class="operator">]</span>(<span class="type">float</span> a<span class="operator">,</span> <span class="type">float</span> b) { <span class="keyword">return</span> <span class="type">float</span>((qrand() <span class="operator">%</span> <span class="type">int</span>(b <span class="operator">-</span> a <span class="operator">+</span> <span class="number">1</span>)) <span class="operator">+</span> a); };
<span class="keyword">for</span> (<span class="type">int</span> i <span class="operator">=</span> m_preparedInstCount; i <span class="operator"><</span> m_instCount; <span class="operator">+</span><span class="operator">+</span>i) {
<span class="comment">// Apply a random translation to each instance of the mesh.</span>
<span class="type">float</span> t<span class="operator">[</span><span class="operator">]</span> <span class="operator">=</span> { gen(<span class="operator">-</span><span class="number">5</span><span class="operator">,</span> <span class="number">5</span>)<span class="operator">,</span> gen(<span class="operator">-</span><span class="number">4</span><span class="operator">,</span> <span class="number">6</span>)<span class="operator">,</span> gen(<span class="operator">-</span><span class="number">30</span><span class="operator">,</span> <span class="number">5</span>) };
memcpy(p<span class="operator">,</span> t<span class="operator">,</span> <span class="number">12</span>);
<span class="comment">// Apply a random adjustment to the diffuse color for each instance. (default is 0.7)</span>
<span class="type">float</span> d<span class="operator">[</span><span class="operator">]</span> <span class="operator">=</span> { gen(<span class="operator">-</span><span class="number">6</span><span class="operator">,</span> <span class="number">3</span>) <span class="operator">/</span> <span class="number">10.0f</span><span class="operator">,</span> gen(<span class="operator">-</span><span class="number">6</span><span class="operator">,</span> <span class="number">3</span>) <span class="operator">/</span> <span class="number">10.0f</span><span class="operator">,</span> gen(<span class="operator">-</span><span class="number">6</span><span class="operator">,</span> <span class="number">3</span>) <span class="operator">/</span> <span class="number">10.0f</span> };
memcpy(p <span class="operator">+</span> <span class="number">12</span><span class="operator">,</span> d<span class="operator">,</span> <span class="number">12</span>);
p <span class="operator">+</span><span class="operator">=</span> PER_INSTANCE_DATA_SIZE;
}
m_preparedInstCount <span class="operator">=</span> m_instCount;
}
<span class="type"><a href="../qtcore/qtglobal.html#quint8-typedef">quint8</a></span> <span class="operator">*</span>p;
VkResult err <span class="operator">=</span> m_devFuncs<span class="operator">-</span><span class="operator">></span>vkMapMemory(dev<span class="operator">,</span> m_instBufMem<span class="operator">,</span> <span class="number">0</span><span class="operator">,</span> m_instCount <span class="operator">*</span> PER_INSTANCE_DATA_SIZE<span class="operator">,</span> <span class="number">0</span><span class="operator">,</span>
<span class="keyword">reinterpret_cast</span><span class="operator"><</span><span class="type">void</span> <span class="operator">*</span><span class="operator">*</span><span class="operator">></span>(<span class="operator">&</span>p));
<span class="keyword">if</span> (err <span class="operator">!</span><span class="operator">=</span> VK_SUCCESS)
<a href="../qtcore/qtglobal.html#qFatal">qFatal</a>(<span class="string">"Failed to map memory: %d"</span><span class="operator">,</span> err);
memcpy(p<span class="operator">,</span> m_instData<span class="operator">.</span>constData()<span class="operator">,</span> m_instData<span class="operator">.</span>size());
m_devFuncs<span class="operator">-</span><span class="operator">></span>vkUnmapMemory(dev<span class="operator">,</span> m_instBufMem);
}
<span class="type">void</span> Renderer<span class="operator">::</span>getMatrices(QMatrix4x4 <span class="operator">*</span>vp<span class="operator">,</span> QMatrix4x4 <span class="operator">*</span>model<span class="operator">,</span> QMatrix3x3 <span class="operator">*</span>modelNormal<span class="operator">,</span> QVector3D <span class="operator">*</span>eyePos)
{
model<span class="operator">-</span><span class="operator">></span>setToIdentity();
<span class="keyword">if</span> (m_useLogo)
model<span class="operator">-</span><span class="operator">></span>rotate(<span class="number">90</span><span class="operator">,</span> <span class="number">1</span><span class="operator">,</span> <span class="number">0</span><span class="operator">,</span> <span class="number">0</span>);
model<span class="operator">-</span><span class="operator">></span>rotate(m_rotation<span class="operator">,</span> <span class="number">1</span><span class="operator">,</span> <span class="number">1</span><span class="operator">,</span> <span class="number">0</span>);
<span class="operator">*</span>modelNormal <span class="operator">=</span> model<span class="operator">-</span><span class="operator">></span>normalMatrix();
QMatrix4x4 view <span class="operator">=</span> m_cam<span class="operator">.</span>viewMatrix();
<span class="operator">*</span>vp <span class="operator">=</span> m_proj <span class="operator">*</span> view;
<span class="operator">*</span>eyePos <span class="operator">=</span> view<span class="operator">.</span>inverted()<span class="operator">.</span>column(<span class="number">3</span>)<span class="operator">.</span>toVector3D();
}
<span class="type">void</span> Renderer<span class="operator">::</span>writeFragUni(<span class="type"><a href="../qtcore/qtglobal.html#quint8-typedef">quint8</a></span> <span class="operator">*</span>p<span class="operator">,</span> <span class="keyword">const</span> QVector3D <span class="operator">&</span>eyePos)
{
<span class="type">float</span> ECCameraPosition<span class="operator">[</span><span class="operator">]</span> <span class="operator">=</span> { eyePos<span class="operator">.</span>x()<span class="operator">,</span> eyePos<span class="operator">.</span>y()<span class="operator">,</span> eyePos<span class="operator">.</span>z() };
memcpy(p<span class="operator">,</span> ECCameraPosition<span class="operator">,</span> <span class="number">12</span>);
p <span class="operator">+</span><span class="operator">=</span> <span class="number">16</span>;
<span class="comment">// Material</span>
<span class="type">float</span> ka<span class="operator">[</span><span class="operator">]</span> <span class="operator">=</span> { <span class="number">0.05f</span><span class="operator">,</span> <span class="number">0.05f</span><span class="operator">,</span> <span class="number">0.05f</span> };
memcpy(p<span class="operator">,</span> ka<span class="operator">,</span> <span class="number">12</span>);
p <span class="operator">+</span><span class="operator">=</span> <span class="number">16</span>;
<span class="type">float</span> kd<span class="operator">[</span><span class="operator">]</span> <span class="operator">=</span> { <span class="number">0.7f</span><span class="operator">,</span> <span class="number">0.7f</span><span class="operator">,</span> <span class="number">0.7f</span> };
memcpy(p<span class="operator">,</span> kd<span class="operator">,</span> <span class="number">12</span>);
p <span class="operator">+</span><span class="operator">=</span> <span class="number">16</span>;
<span class="type">float</span> ks<span class="operator">[</span><span class="operator">]</span> <span class="operator">=</span> { <span class="number">0.66f</span><span class="operator">,</span> <span class="number">0.66f</span><span class="operator">,</span> <span class="number">0.66f</span> };
memcpy(p<span class="operator">,</span> ks<span class="operator">,</span> <span class="number">12</span>);
p <span class="operator">+</span><span class="operator">=</span> <span class="number">16</span>;
<span class="comment">// Light parameters</span>
<span class="type">float</span> ECLightPosition<span class="operator">[</span><span class="operator">]</span> <span class="operator">=</span> { m_lightPos<span class="operator">.</span>x()<span class="operator">,</span> m_lightPos<span class="operator">.</span>y()<span class="operator">,</span> m_lightPos<span class="operator">.</span>z() };
memcpy(p<span class="operator">,</span> ECLightPosition<span class="operator">,</span> <span class="number">12</span>);
p <span class="operator">+</span><span class="operator">=</span> <span class="number">16</span>;
<span class="type">float</span> att<span class="operator">[</span><span class="operator">]</span> <span class="operator">=</span> { <span class="number">1</span><span class="operator">,</span> <span class="number">0</span><span class="operator">,</span> <span class="number">0</span> };
memcpy(p<span class="operator">,</span> att<span class="operator">,</span> <span class="number">12</span>);
p <span class="operator">+</span><span class="operator">=</span> <span class="number">16</span>;
<span class="type">float</span> color<span class="operator">[</span><span class="operator">]</span> <span class="operator">=</span> { <span class="number">1.0f</span><span class="operator">,</span> <span class="number">1.0f</span><span class="operator">,</span> <span class="number">1.0f</span> };
memcpy(p<span class="operator">,</span> color<span class="operator">,</span> <span class="number">12</span>);
p <span class="operator">+</span><span class="operator">=</span> <span class="number">12</span>; <span class="comment">// next we have two floats which have an alignment of 4, hence 12 only</span>
<span class="type">float</span> intensity <span class="operator">=</span> <span class="number">0.8f</span>;
memcpy(p<span class="operator">,</span> <span class="operator">&</span>intensity<span class="operator">,</span> <span class="number">4</span>);
p <span class="operator">+</span><span class="operator">=</span> <span class="number">4</span>;
<span class="type">float</span> specularExp <span class="operator">=</span> <span class="number">150.0f</span>;
memcpy(p<span class="operator">,</span> <span class="operator">&</span>specularExp<span class="operator">,</span> <span class="number">4</span>);
p <span class="operator">+</span><span class="operator">=</span> <span class="number">4</span>;
}
<span class="type">void</span> Renderer<span class="operator">::</span>startNextFrame()
{
<span class="comment">// For demonstration purposes offload the command buffer generation onto a</span>
<span class="comment">// worker thread and continue with the frame submission only when it has</span>
<span class="comment">// finished.</span>
Q_ASSERT(<span class="operator">!</span>m_framePending);
m_framePending <span class="operator">=</span> <span class="keyword">true</span>;
<span class="type"><a href="../qtcore/qfuture.html">QFuture</a></span><span class="operator"><</span><span class="type">void</span><span class="operator">></span> future <span class="operator">=</span> <span class="type">QtConcurrent</span><span class="operator">::</span>run(<span class="keyword">this</span><span class="operator">,</span> <span class="operator">&</span>Renderer<span class="operator">::</span>buildFrame);
m_frameWatcher<span class="operator">.</span>setFuture(future);
}
<span class="type">void</span> Renderer<span class="operator">::</span>buildFrame()
{
<span class="type"><a href="../qtcore/qmutexlocker.html">QMutexLocker</a></span> locker(<span class="operator">&</span>m_guiMutex);
ensureBuffers();
ensureInstanceBuffer();
m_pipelinesFuture<span class="operator">.</span>waitForFinished();
VkCommandBuffer cb <span class="operator">=</span> m_window<span class="operator">-</span><span class="operator">></span>currentCommandBuffer();
<span class="keyword">const</span> <span class="type"><a href="../qtcore/qsize.html">QSize</a></span> sz <span class="operator">=</span> m_window<span class="operator">-</span><span class="operator">></span>swapChainImageSize();
VkClearColorValue clearColor <span class="operator">=</span> {{ <span class="number">0.67f</span><span class="operator">,</span> <span class="number">0.84f</span><span class="operator">,</span> <span class="number">0.9f</span><span class="operator">,</span> <span class="number">1.0f</span> }};
VkClearDepthStencilValue clearDS <span class="operator">=</span> { <span class="number">1</span><span class="operator">,</span> <span class="number">0</span> };
VkClearValue clearValues<span class="operator">[</span><span class="number">3</span><span class="operator">]</span>;
memset(clearValues<span class="operator">,</span> <span class="number">0</span><span class="operator">,</span> <span class="keyword">sizeof</span>(clearValues));
clearValues<span class="operator">[</span><span class="number">0</span><span class="operator">]</span><span class="operator">.</span>color <span class="operator">=</span> clearValues<span class="operator">[</span><span class="number">2</span><span class="operator">]</span><span class="operator">.</span>color <span class="operator">=</span> clearColor;
clearValues<span class="operator">[</span><span class="number">1</span><span class="operator">]</span><span class="operator">.</span>depthStencil <span class="operator">=</span> clearDS;
VkRenderPassBeginInfo rpBeginInfo;
memset(<span class="operator">&</span>rpBeginInfo<span class="operator">,</span> <span class="number">0</span><span class="operator">,</span> <span class="keyword">sizeof</span>(rpBeginInfo));
rpBeginInfo<span class="operator">.</span>sType <span class="operator">=</span> VK_STRUCTURE_TYPE_RENDER_PASS_BEGIN_INFO;
rpBeginInfo<span class="operator">.</span>renderPass <span class="operator">=</span> m_window<span class="operator">-</span><span class="operator">></span>defaultRenderPass();
rpBeginInfo<span class="operator">.</span>framebuffer <span class="operator">=</span> m_window<span class="operator">-</span><span class="operator">></span>currentFramebuffer();
rpBeginInfo<span class="operator">.</span>renderArea<span class="operator">.</span>extent<span class="operator">.</span>width <span class="operator">=</span> sz<span class="operator">.</span>width();
rpBeginInfo<span class="operator">.</span>renderArea<span class="operator">.</span>extent<span class="operator">.</span>height <span class="operator">=</span> sz<span class="operator">.</span>height();
rpBeginInfo<span class="operator">.</span>clearValueCount <span class="operator">=</span> m_window<span class="operator">-</span><span class="operator">></span>sampleCountFlagBits() <span class="operator">></span> VK_SAMPLE_COUNT_1_BIT <span class="operator">?</span> <span class="number">3</span> : <span class="number">2</span>;
rpBeginInfo<span class="operator">.</span>pClearValues <span class="operator">=</span> clearValues;
VkCommandBuffer cmdBuf <span class="operator">=</span> m_window<span class="operator">-</span><span class="operator">></span>currentCommandBuffer();
m_devFuncs<span class="operator">-</span><span class="operator">></span>vkCmdBeginRenderPass(cmdBuf<span class="operator">,</span> <span class="operator">&</span>rpBeginInfo<span class="operator">,</span> VK_SUBPASS_CONTENTS_INLINE);
VkViewport viewport <span class="operator">=</span> {
<span class="number">0</span><span class="operator">,</span> <span class="number">0</span><span class="operator">,</span>
<span class="type">float</span>(sz<span class="operator">.</span>width())<span class="operator">,</span> <span class="type">float</span>(sz<span class="operator">.</span>height())<span class="operator">,</span>
<span class="number">0</span><span class="operator">,</span> <span class="number">1</span>
};
m_devFuncs<span class="operator">-</span><span class="operator">></span>vkCmdSetViewport(cb<span class="operator">,</span> <span class="number">0</span><span class="operator">,</span> <span class="number">1</span><span class="operator">,</span> <span class="operator">&</span>viewport);
VkRect2D scissor <span class="operator">=</span> {
{ <span class="number">0</span><span class="operator">,</span> <span class="number">0</span> }<span class="operator">,</span>
{ uint32_t(sz<span class="operator">.</span>width())<span class="operator">,</span> uint32_t(sz<span class="operator">.</span>height()) }
};
m_devFuncs<span class="operator">-</span><span class="operator">></span>vkCmdSetScissor(cb<span class="operator">,</span> <span class="number">0</span><span class="operator">,</span> <span class="number">1</span><span class="operator">,</span> <span class="operator">&</span>scissor);
buildDrawCallsForFloor();
buildDrawCallsForItems();
m_devFuncs<span class="operator">-</span><span class="operator">></span>vkCmdEndRenderPass(cmdBuf);
}
<span class="type">void</span> Renderer<span class="operator">::</span>buildDrawCallsForItems()
{
VkDevice dev <span class="operator">=</span> m_window<span class="operator">-</span><span class="operator">></span>device();
VkCommandBuffer cb <span class="operator">=</span> m_window<span class="operator">-</span><span class="operator">></span>currentCommandBuffer();
m_devFuncs<span class="operator">-</span><span class="operator">></span>vkCmdBindPipeline(cb<span class="operator">,</span> VK_PIPELINE_BIND_POINT_GRAPHICS<span class="operator">,</span> m_itemMaterial<span class="operator">.</span>pipeline);
VkDeviceSize vbOffset <span class="operator">=</span> <span class="number">0</span>;
m_devFuncs<span class="operator">-</span><span class="operator">></span>vkCmdBindVertexBuffers(cb<span class="operator">,</span> <span class="number">0</span><span class="operator">,</span> <span class="number">1</span><span class="operator">,</span> m_useLogo <span class="operator">?</span> <span class="operator">&</span>m_logoVertexBuf : <span class="operator">&</span>m_blockVertexBuf<span class="operator">,</span> <span class="operator">&</span>vbOffset);
m_devFuncs<span class="operator">-</span><span class="operator">></span>vkCmdBindVertexBuffers(cb<span class="operator">,</span> <span class="number">1</span><span class="operator">,</span> <span class="number">1</span><span class="operator">,</span> <span class="operator">&</span>m_instBuf<span class="operator">,</span> <span class="operator">&</span>vbOffset);
<span class="comment">// Now provide offsets so that the two dynamic buffers point to the</span>
<span class="comment">// beginning of the vertex and fragment uniform data for the current frame.</span>
uint32_t frameUniOffset <span class="operator">=</span> m_window<span class="operator">-</span><span class="operator">></span>currentFrame() <span class="operator">*</span> (m_itemMaterial<span class="operator">.</span>vertUniSize <span class="operator">+</span> m_itemMaterial<span class="operator">.</span>fragUniSize);
uint32_t frameUniOffsets<span class="operator">[</span><span class="operator">]</span> <span class="operator">=</span> { frameUniOffset<span class="operator">,</span> frameUniOffset };
m_devFuncs<span class="operator">-</span><span class="operator">></span>vkCmdBindDescriptorSets(cb<span class="operator">,</span> VK_PIPELINE_BIND_POINT_GRAPHICS<span class="operator">,</span> m_itemMaterial<span class="operator">.</span>pipelineLayout<span class="operator">,</span> <span class="number">0</span><span class="operator">,</span> <span class="number">1</span><span class="operator">,</span>
<span class="operator">&</span>m_itemMaterial<span class="operator">.</span>descSet<span class="operator">,</span> <span class="number">2</span><span class="operator">,</span> frameUniOffsets);
<span class="keyword">if</span> (m_animating)
m_rotation <span class="operator">+</span><span class="operator">=</span> <span class="number">0.5</span>;
<span class="keyword">if</span> (m_animating <span class="operator">|</span><span class="operator">|</span> m_vpDirty) {
<span class="keyword">if</span> (m_vpDirty)
<span class="operator">-</span><span class="operator">-</span>m_vpDirty;
QMatrix4x4 vp<span class="operator">,</span> model;
QMatrix3x3 modelNormal;
QVector3D eyePos;
getMatrices(<span class="operator">&</span>vp<span class="operator">,</span> <span class="operator">&</span>model<span class="operator">,</span> <span class="operator">&</span>modelNormal<span class="operator">,</span> <span class="operator">&</span>eyePos);
<span class="comment">// Map the uniform data for the current frame, ignore the geometry data at</span>
<span class="comment">// the beginning and the uniforms for other frames.</span>
<span class="type"><a href="../qtcore/qtglobal.html#quint8-typedef">quint8</a></span> <span class="operator">*</span>p;
VkResult err <span class="operator">=</span> m_devFuncs<span class="operator">-</span><span class="operator">></span>vkMapMemory(dev<span class="operator">,</span> m_bufMem<span class="operator">,</span>
m_itemMaterial<span class="operator">.</span>uniMemStartOffset <span class="operator">+</span> frameUniOffset<span class="operator">,</span>
m_itemMaterial<span class="operator">.</span>vertUniSize <span class="operator">+</span> m_itemMaterial<span class="operator">.</span>fragUniSize<span class="operator">,</span>
<span class="number">0</span><span class="operator">,</span> <span class="keyword">reinterpret_cast</span><span class="operator"><</span><span class="type">void</span> <span class="operator">*</span><span class="operator">*</span><span class="operator">></span>(<span class="operator">&</span>p));
<span class="keyword">if</span> (err <span class="operator">!</span><span class="operator">=</span> VK_SUCCESS)
<a href="../qtcore/qtglobal.html#qFatal">qFatal</a>(<span class="string">"Failed to map memory: %d"</span><span class="operator">,</span> err);
<span class="comment">// Vertex shader uniforms</span>
memcpy(p<span class="operator">,</span> vp<span class="operator">.</span>constData()<span class="operator">,</span> <span class="number">64</span>);
memcpy(p <span class="operator">+</span> <span class="number">64</span><span class="operator">,</span> model<span class="operator">.</span>constData()<span class="operator">,</span> <span class="number">64</span>);
<span class="keyword">const</span> <span class="type">float</span> <span class="operator">*</span>mnp <span class="operator">=</span> modelNormal<span class="operator">.</span>constData();
memcpy(p <span class="operator">+</span> <span class="number">128</span><span class="operator">,</span> mnp<span class="operator">,</span> <span class="number">12</span>);
memcpy(p <span class="operator">+</span> <span class="number">128</span> <span class="operator">+</span> <span class="number">16</span><span class="operator">,</span> mnp <span class="operator">+</span> <span class="number">3</span><span class="operator">,</span> <span class="number">12</span>);
memcpy(p <span class="operator">+</span> <span class="number">128</span> <span class="operator">+</span> <span class="number">32</span><span class="operator">,</span> mnp <span class="operator">+</span> <span class="number">6</span><span class="operator">,</span> <span class="number">12</span>);
<span class="comment">// Fragment shader uniforms</span>
p <span class="operator">+</span><span class="operator">=</span> m_itemMaterial<span class="operator">.</span>vertUniSize;
writeFragUni(p<span class="operator">,</span> eyePos);
m_devFuncs<span class="operator">-</span><span class="operator">></span>vkUnmapMemory(dev<span class="operator">,</span> m_bufMem);
}
m_devFuncs<span class="operator">-</span><span class="operator">></span>vkCmdDraw(cb<span class="operator">,</span> (m_useLogo <span class="operator">?</span> m_logoMesh<span class="operator">.</span>data() : m_blockMesh<span class="operator">.</span>data())<span class="operator">-</span><span class="operator">></span>vertexCount<span class="operator">,</span> m_instCount<span class="operator">,</span> <span class="number">0</span><span class="operator">,</span> <span class="number">0</span>);
}
<span class="type">void</span> Renderer<span class="operator">::</span>buildDrawCallsForFloor()
{
VkCommandBuffer cb <span class="operator">=</span> m_window<span class="operator">-</span><span class="operator">></span>currentCommandBuffer();
m_devFuncs<span class="operator">-</span><span class="operator">></span>vkCmdBindPipeline(cb<span class="operator">,</span> VK_PIPELINE_BIND_POINT_GRAPHICS<span class="operator">,</span> m_floorMaterial<span class="operator">.</span>pipeline);
VkDeviceSize vbOffset <span class="operator">=</span> <span class="number">0</span>;
m_devFuncs<span class="operator">-</span><span class="operator">></span>vkCmdBindVertexBuffers(cb<span class="operator">,</span> <span class="number">0</span><span class="operator">,</span> <span class="number">1</span><span class="operator">,</span> <span class="operator">&</span>m_floorVertexBuf<span class="operator">,</span> <span class="operator">&</span>vbOffset);
QMatrix4x4 mvp <span class="operator">=</span> m_proj <span class="operator">*</span> m_cam<span class="operator">.</span>viewMatrix() <span class="operator">*</span> m_floorModel;
m_devFuncs<span class="operator">-</span><span class="operator">></span>vkCmdPushConstants(cb<span class="operator">,</span> m_floorMaterial<span class="operator">.</span>pipelineLayout<span class="operator">,</span> VK_SHADER_STAGE_VERTEX_BIT<span class="operator">,</span> <span class="number">0</span><span class="operator">,</span> <span class="number">64</span><span class="operator">,</span> mvp<span class="operator">.</span>constData());
<span class="type">float</span> color<span class="operator">[</span><span class="operator">]</span> <span class="operator">=</span> { <span class="number">0.67f</span><span class="operator">,</span> <span class="number">1.0f</span><span class="operator">,</span> <span class="number">0.2f</span> };
m_devFuncs<span class="operator">-</span><span class="operator">></span>vkCmdPushConstants(cb<span class="operator">,</span> m_floorMaterial<span class="operator">.</span>pipelineLayout<span class="operator">,</span> VK_SHADER_STAGE_FRAGMENT_BIT<span class="operator">,</span> <span class="number">64</span><span class="operator">,</span> <span class="number">12</span><span class="operator">,</span> color);
m_devFuncs<span class="operator">-</span><span class="operator">></span>vkCmdDraw(cb<span class="operator">,</span> <span class="number">4</span><span class="operator">,</span> <span class="number">1</span><span class="operator">,</span> <span class="number">0</span><span class="operator">,</span> <span class="number">0</span>);
}
<span class="type">void</span> Renderer<span class="operator">::</span>addNew()
{
<span class="type"><a href="../qtcore/qmutexlocker.html">QMutexLocker</a></span> locker(<span class="operator">&</span>m_guiMutex);
m_instCount <span class="operator">=</span> <a href="../qtcore/qtglobal.html#qMin">qMin</a>(m_instCount <span class="operator">+</span> <span class="number">16</span><span class="operator">,</span> MAX_INSTANCES);
}
<span class="type">void</span> Renderer<span class="operator">::</span>yaw(<span class="type">float</span> degrees)
{
<span class="type"><a href="../qtcore/qmutexlocker.html">QMutexLocker</a></span> locker(<span class="operator">&</span>m_guiMutex);
m_cam<span class="operator">.</span>yaw(degrees);
markViewProjDirty();
}
<span class="type">void</span> Renderer<span class="operator">::</span>pitch(<span class="type">float</span> degrees)
{
<span class="type"><a href="../qtcore/qmutexlocker.html">QMutexLocker</a></span> locker(<span class="operator">&</span>m_guiMutex);
m_cam<span class="operator">.</span>pitch(degrees);
markViewProjDirty();
}
<span class="type">void</span> Renderer<span class="operator">::</span>walk(<span class="type">float</span> amount)
{
<span class="type"><a href="../qtcore/qmutexlocker.html">QMutexLocker</a></span> locker(<span class="operator">&</span>m_guiMutex);
m_cam<span class="operator">.</span>walk(amount);
markViewProjDirty();
}
<span class="type">void</span> Renderer<span class="operator">::</span>strafe(<span class="type">float</span> amount)
{
<span class="type"><a href="../qtcore/qmutexlocker.html">QMutexLocker</a></span> locker(<span class="operator">&</span>m_guiMutex);
m_cam<span class="operator">.</span>strafe(amount);
markViewProjDirty();
}
<span class="type">void</span> Renderer<span class="operator">::</span>setUseLogo(bool b)
{
<span class="type"><a href="../qtcore/qmutexlocker.html">QMutexLocker</a></span> locker(<span class="operator">&</span>m_guiMutex);
m_useLogo <span class="operator">=</span> b;
<span class="keyword">if</span> (<span class="operator">!</span>m_animating)
m_window<span class="operator">-</span><span class="operator">></span>requestUpdate();
}
</pre>
</div>
<!-- @@@hellovulkancubes/renderer.cpp -->
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<acronym title="Copyright">©</acronym> 2019 The Qt Company Ltd.
Documentation contributions included herein are the copyrights of
their respective owners.<br/> The documentation provided herein is licensed under the terms of the <a href="http://www.gnu.org/licenses/fdl.html">GNU Free Documentation License version 1.3</a> as published by the Free Software Foundation.<br/> Qt and respective logos are trademarks of The Qt Company Ltd. in Finland and/or other countries worldwide. All other trademarks are property
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distrib
>
Mageia
>
7
>
armv7hl
>
media
>
core-updates
>
by-pkgid
>
d5e62c01ae8d1e579463c6a871dd44bf
>
files
>
1868
