z8::DX12TextRenderer类 参考

#include <DX12TextRenderer.h>

类 z8::DX12TextRenderer 继承关系图:

z8::DX12TextRenderer 的协作图:

Public 成员函数
	DX12TextRenderer (DX12Render *render)
void	Draw (const std::vector< ui::TextNode * > &texts, int bufferIndex, float originX, float originY)
void	Init (ID3D12Resource *const buffers[2], DXGI_FORMAT format, float dpiScale)
void	PrepareResize ()
void	Resize (ID3D12Resource *const buffers[2], DXGI_FORMAT format, float dpiScale)
void	Shutdown ()
Public 成员函数 继承自 z8::DX12Common
	DX12Common (DX12Render *)
virtual	~DX12Common ()=default

Private 成员函数
void	CreateDevices ()
void	CreateTargets (ID3D12Resource *const buffers[2], DXGI_FORMAT format, float dpiScale)
IDWriteTextFormat *	GetFormat (const ui::TextNode &node)

Private 属性
ComPtr< ID3D11Device >	D3D11Device
ComPtr< ID3D11DeviceContext >	D3D11Context
ComPtr< ID3D11On12Device >	D3D11On12Device
ComPtr< ID2D1Factory3 >	D2DFactory
ComPtr< ID2D1Device2 >	D2DDevice
ComPtr< ID2D1DeviceContext2 >	D2DContext
ComPtr< IDWriteFactory >	WriteFactory
ComPtr< ID3D11Resource >	WrappedBuffers [2]
ComPtr< ID2D1Bitmap1 >	Targets [2]
std::unordered_map< unsigned, ComPtr< IDWriteTextFormat > >	Formats
bool	Initialized = false

额外继承的成员函数
Public 属性 继承自 z8::DX12Common
DX12Device *	Ctx
DX12Render *	Render

详细描述

在 DX12 UI 几何之后绘制 DirectWrite 文字的互操作通道。

D3D11On12 只包装当前交换链缓冲，不拥有其生命周期；Resize 前必须释放包装， 绘制后必须 Flush，保证 Direct2D 提交发生在 DX12 Present 之前。

构造及析构函数说明

DX12TextRenderer()

DX12TextRenderer::DX12TextRenderer ( DX12Render * render )

explicit

成员函数说明

CreateDevices()

void DX12TextRenderer::CreateDevices ( )

private

这是这个函数的调用关系图:

CreateTargets()

void DX12TextRenderer::CreateTargets ( ID3D12Resource *const buffers[2], DXGI_FORMAT format, float dpiScale )

private

这是这个函数的调用关系图:

Draw()

void DX12TextRenderer::Draw	(	const std::vector< ui::TextNode * > &	texts,
		int	bufferIndex,
		float	originX,
		float	originY )

函数调用图:

这是这个函数的调用关系图:

GetFormat()

IDWriteTextFormat * DX12TextRenderer::GetFormat ( const ui::TextNode & node )

private

这是这个函数的调用关系图:

Init()

void DX12TextRenderer::Init	(	ID3D12Resource *const	buffers[2],
		DXGI_FORMAT	format,
		float	dpiScale )

为任意 WindowSurface 的两个交换链缓冲建立 DirectWrite 包装目标。

函数调用图:

这是这个函数的调用关系图:

PrepareResize()

void DX12TextRenderer::PrepareResize

(

)

这是这个函数的调用关系图:

Resize()

void DX12TextRenderer::Resize	(	ID3D12Resource *const	buffers[2],
		DXGI_FORMAT	format,
		float	dpiScale )

函数调用图:

这是这个函数的调用关系图:

Shutdown()

void DX12TextRenderer::Shutdown

(

)

按 Direct2D → wrapped resource → D3D11On12 的依赖顺序显式释放。

这是这个函数的调用关系图:

类成员变量说明

D2DContext

ComPtr<ID2D1DeviceContext2> z8::DX12TextRenderer::D2DContext

private

D2DDevice

ComPtr<ID2D1Device2> z8::DX12TextRenderer::D2DDevice

private

D2DFactory

ComPtr<ID2D1Factory3> z8::DX12TextRenderer::D2DFactory

private

D3D11Context

ComPtr<ID3D11DeviceContext> z8::DX12TextRenderer::D3D11Context

private

D3D11Device

ComPtr<ID3D11Device> z8::DX12TextRenderer::D3D11Device

private

D3D11On12Device

ComPtr<ID3D11On12Device> z8::DX12TextRenderer::D3D11On12Device

private

Formats

std::unordered_map<unsigned, ComPtr<IDWriteTextFormat> > z8::DX12TextRenderer::Formats

private

Initialized

bool z8::DX12TextRenderer::Initialized = false

private

Targets

ComPtr<ID2D1Bitmap1> z8::DX12TextRenderer::Targets[2]

private

WrappedBuffers

ComPtr<ID3D11Resource> z8::DX12TextRenderer::WrappedBuffers[2]

private

WriteFactory

ComPtr<IDWriteFactory> z8::DX12TextRenderer::WriteFactory

private

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该类的文档由以下文件生成:

• include/Target/DirectX/DX12TextRenderer.h
• src/Target/DirectX/DX12TextRenderer.cpp