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-rw-r--r--src/gui/vulkan/qvulkanwindow.cpp83
1 files changed, 3 insertions, 80 deletions
diff --git a/src/gui/vulkan/qvulkanwindow.cpp b/src/gui/vulkan/qvulkanwindow.cpp
index 2e65ab49c5..6d12377a60 100644
--- a/src/gui/vulkan/qvulkanwindow.cpp
+++ b/src/gui/vulkan/qvulkanwindow.cpp
@@ -74,60 +74,7 @@ Q_LOGGING_CATEGORY(lcGuiVk, "qt.vulkan")
A typical application using QVulkanWindow may look like the following:
- \code
- class VulkanRenderer : public QVulkanWindowRenderer
- {
- public:
- VulkanRenderer(QVulkanWindow *w) : m_window(w) { }
-
- void initResources() override
- {
- m_devFuncs = m_window->vulkanInstance()->deviceFunctions(m_window->device());
- ...
- }
- void initSwapChainResources() override { ... }
- void releaseSwapChainResources() override { ... }
- void releaseResources() override { ... }
-
- void startNextFrame() override
- {
- VkCommandBuffer cmdBuf = m_window->currentCommandBuffer();
- ...
- m_devFuncs->vkCmdBeginRenderPass(...);
- ...
- m_window->frameReady();
- }
-
- private:
- QVulkanWindow *m_window;
- QVulkanDeviceFunctions *m_devFuncs;
- };
-
- class VulkanWindow : public QVulkanWindow
- {
- public:
- QVulkanWindowRenderer *createRenderer() override {
- return new VulkanRenderer(this);
- }
- };
-
- int main(int argc, char *argv[])
- {
- QGuiApplication app(argc, argv);
-
- QVulkanInstance inst;
- // enable the standard validation layers, when available
- inst.setLayers(QByteArrayList() << "VK_LAYER_LUNARG_standard_validation");
- if (!inst.create())
- qFatal("Failed to create Vulkan instance: %d", inst.errorCode());
-
- VulkanWindow w;
- w.setVulkanInstance(&inst);
- w.showMaximized();
-
- return app.exec();
- }
- \endcode
+ \snippet code/src_gui_vulkan_qvulkanwindow.cpp 0
As it can be seen in the example, the main patterns in QVulkanWindow usage are:
@@ -2439,18 +2386,7 @@ VkFramebuffer QVulkanWindow::currentFramebuffer() const
concurrentFrameCount(). Such arrays can then be indexed by the value
returned from this function.
- \code
- class Renderer {
- ...
- VkDescriptorBufferInfo m_uniformBufInfo[QVulkanWindow::MAX_CONCURRENT_FRAME_COUNT];
- };
-
- void Renderer::startNextFrame()
- {
- VkDescriptorBufferInfo &uniformBufInfo(m_uniformBufInfo[m_window->currentFrame()]);
- ...
- }
- \endcode
+ \snippet code/src_gui_vulkan_qvulkanwindow.cpp 1
\note This function must only be called from within startNextFrame() and, in
case of asynchronous command generation, up until the call to frameReady().
@@ -2477,20 +2413,7 @@ int QVulkanWindow::currentFrame() const
\note The value is constant for the entire lifetime of the QVulkanWindow.
- \code
- class Renderer {
- ...
- VkDescriptorBufferInfo m_uniformBufInfo[QVulkanWindow::MAX_CONCURRENT_FRAME_COUNT];
- };
-
- void Renderer::startNextFrame()
- {
- const int count = m_window->concurrentFrameCount();
- for (int i = 0; i < count; ++i)
- m_uniformBufInfo[i] = ...
- ...
- }
- \endcode
+ \snippet code/src_gui_vulkan_qvulkanwindow.cpp 2
\sa currentFrame()
*/