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39
40#include "qxcbvulkanwindow.h"
41
42QT_BEGIN_NAMESPACE
43
44QXcbVulkanWindow::QXcbVulkanWindow(QWindow *window)
45 : QXcbWindow(window),
46 m_surface(VK_NULL_HANDLE)
47{
48}
49
50QXcbVulkanWindow::~QXcbVulkanWindow()
51{
52 if (m_surface) {
53 QVulkanInstance *inst = window()->vulkanInstance();
54 if (inst)
55 static_cast<QXcbVulkanInstance *>(inst->handle())->destroySurface(surface: m_surface);
56 }
57}
58
59void QXcbVulkanWindow::resolveFormat(const QSurfaceFormat &format)
60{
61 m_format = format;
62 if (m_format.redBufferSize() <= 0)
63 m_format.setRedBufferSize(8);
64 if (m_format.greenBufferSize() <= 0)
65 m_format.setGreenBufferSize(8);
66 if (m_format.blueBufferSize() <= 0)
67 m_format.setBlueBufferSize(8);
68}
69
70// No createVisual() needed, use the default that picks one based on the R/G/B/A size.
71
72VkSurfaceKHR *QXcbVulkanWindow::surface()
73{
74 if (m_surface)
75 return &m_surface;
76
77 QVulkanInstance *inst = window()->vulkanInstance();
78 if (!inst) {
79 qWarning(msg: "Attempted to create Vulkan surface without an instance; was QWindow::setVulkanInstance() called?");
80 return nullptr;
81 }
82 QXcbVulkanInstance *xcbinst = static_cast<QXcbVulkanInstance *>(inst->handle());
83 m_surface = xcbinst->createSurface(window: this);
84
85 return &m_surface;
86}
87
88QT_END_NAMESPACE
89

source code of qtbase/src/plugins/platforms/xcb/qxcbvulkanwindow.cpp