QRhiReadbackResult Struct

Describes the results of a potentially asynchronous buffer or texture readback operation. 更多...

头：	#include <rhi/qrhi.h>
CMake:	find_package(Qt6 REQUIRED COMPONENTS Gui) target_link_libraries(mytarget PRIVATE Qt6::GuiPrivate)
qmake:	QT += gui-private
Since:	Qt 6.6

• 所有成员列表，包括继承成员

公共变量

std::function<void ()>	completed
QByteArray	data
QRhiTexture::Format	format
QSize	pixelSize

详细描述

当 completed is set, the function is invoked when the data 可用。 format and pixelSize are set upon completion together with data .

注意： This is a RHI API with limited compatibility guarantees, see QRhi 了解细节。

成员变量文档编制

std::function < void ()> QRhiReadbackResult:: completed

Callback that is invoked upon completion, on the thread the QRhi operates on. Can be left set to nullptr , in which case no callback is invoked.

QByteArray QRhiReadbackResult:: data

The buffer or image data.

另请参阅 QRhiResourceUpdateBatch::readBackTexture () 和 QRhiResourceUpdateBatch::readBackBuffer ().

QRhiTexture::Format QRhiReadbackResult:: format

Valid only for textures, the texture format.

QSize QRhiReadbackResult:: pixelSize

Valid only for textures, the size in pixels.

内容

1. 公共变量

2. 详细描述