mirror of
https://github.com/crystalidea/qt6windows7.git
synced 2024-11-23 20:10:48 +08:00
48 lines
1.4 KiB
C++
48 lines
1.4 KiB
C++
// Copyright (C) 2017 The Qt Company Ltd.
|
|
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
|
|
|
|
#include "shader.h"
|
|
#include <QtConcurrentRun>
|
|
#include <QFile>
|
|
#include <QVulkanDeviceFunctions>
|
|
|
|
void Shader::load(QVulkanInstance *inst, VkDevice dev, const QString &fn)
|
|
{
|
|
reset();
|
|
m_maybeRunning = true;
|
|
m_future = QtConcurrent::run([inst, dev, fn]() {
|
|
ShaderData sd;
|
|
QFile f(fn);
|
|
if (!f.open(QIODevice::ReadOnly)) {
|
|
qWarning("Failed to open %s", qPrintable(fn));
|
|
return sd;
|
|
}
|
|
QByteArray blob = f.readAll();
|
|
VkShaderModuleCreateInfo shaderInfo;
|
|
memset(&shaderInfo, 0, sizeof(shaderInfo));
|
|
shaderInfo.sType = VK_STRUCTURE_TYPE_SHADER_MODULE_CREATE_INFO;
|
|
shaderInfo.codeSize = blob.size();
|
|
shaderInfo.pCode = reinterpret_cast<const uint32_t *>(blob.constData());
|
|
VkResult err = inst->deviceFunctions(dev)->vkCreateShaderModule(dev, &shaderInfo, nullptr, &sd.shaderModule);
|
|
if (err != VK_SUCCESS) {
|
|
qWarning("Failed to create shader module: %d", err);
|
|
return sd;
|
|
}
|
|
return sd;
|
|
});
|
|
}
|
|
|
|
ShaderData *Shader::data()
|
|
{
|
|
if (m_maybeRunning && !m_data.isValid())
|
|
m_data = m_future.result();
|
|
|
|
return &m_data;
|
|
}
|
|
|
|
void Shader::reset()
|
|
{
|
|
*data() = ShaderData();
|
|
m_maybeRunning = false;
|
|
}
|