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doc: Fix QVulkanFunctions code snippet

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Showing code that cannot possibly compile is bad practice.
(vkAllocateCommandBuffers is in QVulkanDeviceFunctions, not
QVulkanFunctions)

Rather use a member function that is actually in QVulkanFunctions.

Change-Id: I3063a8a229152144ce866e915eb4c14ecc58e9ce
Reviewed-by: Laszlo Agocs <laszlo.agocs@qt.io>
(cherry picked from commit e8e9c287ec6a086a96b36e692ab6d5ed11b64951)
Reviewed-by: Qt Cherry-pick Bot <cherrypick_bot@qt-project.org>
This commit is contained in:
Laszlo Agocs 2023-07-27 12:35:57 +02:00 committed by Qt Cherry-pick Bot
parent 7076e8e9f4
commit 66a0d3a03c
1 changed files with 4 additions and 6 deletions
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10
src/gui/doc/snippets/code/src_gui_vulkan_qvulkanfunctions.cpp
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@ -55,20 +55,18 @@
namespace src_gui_vulkan_qvulkanfunctions { namespace src_gui_vulkan_qvulkanfunctions {
struct Window { struct Window {
void render(); void init();
QVulkanInstance *vulkanInstance() { return nullptr; } QVulkanInstance *vulkanInstance() { return nullptr; }
}; };
VkDevice_T *device = nullptr;
VkCommandBufferAllocateInfo cmdBufInfo;
VkCommandBuffer cmdBuf;
//! [0] //! [0]
void Window::render() void Window::init()
{ {
QVulkanInstance *inst = vulkanInstance(); QVulkanInstance *inst = vulkanInstance();
QVulkanFunctions *f = inst->functions(); QVulkanFunctions *f = inst->functions();
// ... // ...
VkResult err = f->vkAllocateCommandBuffers(device, &cmdBufInfo, &cmdBuf); uint32_t count = 0;
VkResult err = f->vkEnumeratePhysicalDevices(inst->vkInstance(), &count, nullptr);
// ... // ...
} }
//! [0] //! [0]