📄 fixed function pipeline.htm
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lang=EN-US
style="FONT-SIZE: 10pt; FONT-FAMILY: 宋体; mso-bidi-font-family: 宋体; mso-fareast-language: ZH-CN">struct
Vertex<o:p></o:p></SPAN></P>
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lang=EN-US
style="FONT-SIZE: 10pt; FONT-FAMILY: 宋体; mso-bidi-font-family: 宋体; mso-fareast-language: ZH-CN">{<o:p></o:p></SPAN></P>
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lang=EN-US
style="FONT-SIZE: 10pt; FONT-FAMILY: 宋体; mso-bidi-font-family: 宋体; mso-fareast-language: ZH-CN"><SPAN
style="mso-spacerun: yes"> </SPAN>FLOAT x, y,
z;<o:p></o:p></SPAN></P>
<P class=MsoNormal
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lang=EN-US
style="FONT-SIZE: 10pt; FONT-FAMILY: 宋体; mso-bidi-font-family: 宋体; mso-fareast-language: ZH-CN"><SPAN
style="mso-spacerun: yes"> </SPAN>FLOAT nx, ny,
nz;<o:p></o:p></SPAN></P>
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lang=EN-US
style="FONT-SIZE: 10pt; FONT-FAMILY: 宋体; mso-bidi-font-family: 宋体; mso-fareast-language: ZH-CN"><SPAN
style="mso-spacerun: yes"> </SPAN>FLOAT tu,
tv;<o:p></o:p></SPAN></P>
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lang=EN-US
style="FONT-SIZE: 10pt; FONT-FAMILY: 宋体; mso-bidi-font-family: 宋体; mso-fareast-language: ZH-CN">};<o:p></o:p></SPAN></P>
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lang=EN-US
style="FONT-SIZE: 10pt; FONT-FAMILY: 宋体; mso-bidi-font-family: 宋体; mso-fareast-language: ZH-CN"><o:p> </o:p></SPAN></P>
<P class=MsoNormal
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lang=EN-US
style="FONT-SIZE: 10pt; FONT-FAMILY: 宋体; mso-bidi-font-family: 宋体; mso-fareast-language: ZH-CN">const
DWORD VertexFVF = ( D3DFVF_XYZ | D3DFVF_NORMAL | D3DFVF_TEX1
);<o:p></o:p></SPAN></P>
<P class=MsoNormal
style="mso-margin-top-alt: auto; mso-margin-bottom-alt: auto"><SPAN
style="FONT-FAMILY: 宋体; mso-bidi-font-family: 宋体; mso-fareast-language: ZH-CN">下一步通过调用<U><SPAN
lang=EN-US>IDirect3DDevice9::CreateVertexBuffer</SPAN></U>方法创建一个有足够空间包含四个顶点的顶点缓存，如以下示例代码所示。<SPAN
lang=EN-US><o:p></o:p></SPAN></SPAN></P>
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lang=EN-US
style="FONT-SIZE: 10pt; FONT-FAMILY: 宋体; mso-bidi-font-family: 宋体; mso-fareast-language: ZH-CN">g_d3dDevice->CreateVertexBuffer(<o:p></o:p></SPAN></P>
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lang=EN-US
style="FONT-SIZE: 10pt; FONT-FAMILY: 宋体; mso-bidi-font-family: 宋体; mso-fareast-language: ZH-CN"><SPAN
style="mso-spacerun: yes">
</SPAN>4*sizeof(Vertex), VertexFVF, <o:p></o:p></SPAN></P>
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lang=EN-US
style="FONT-SIZE: 10pt; FONT-FAMILY: 宋体; mso-bidi-font-family: 宋体; mso-fareast-language: ZH-CN"><SPAN
style="mso-spacerun: yes">
</SPAN>D3DUSAGE_WRITEONLY,<o:p></o:p></SPAN></P>
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lang=EN-US
style="FONT-SIZE: 10pt; FONT-FAMILY: 宋体; mso-bidi-font-family: 宋体; mso-fareast-language: ZH-CN"><SPAN
style="mso-spacerun: yes">
</SPAN>D3DPOOL_DEFAULT, &pBigSquareVB);<o:p></o:p></SPAN></P>
<P class=MsoNormal
style="mso-margin-top-alt: auto; mso-margin-bottom-alt: auto"><SPAN
style="FONT-FAMILY: 宋体; mso-bidi-font-family: 宋体; mso-fareast-language: ZH-CN">下一步是设置每个顶点的值，如以下示例代码所示。<SPAN
lang=EN-US><o:p></o:p></SPAN></SPAN></P><PRE><SPAN lang=EN-US style="FONT-SIZE: 10pt">Vertex * v;<o:p></o:p></SPAN></PRE><PRE><SPAN lang=EN-US style="FONT-SIZE: 10pt">pBigSquareVB->Lock( 0, 0, (BYTE**)&v, 0 );<o:p></o:p></SPAN></PRE><PRE><SPAN lang=EN-US style="FONT-SIZE: 10pt"><o:p> </o:p></SPAN></PRE><PRE><SPAN lang=EN-US style="FONT-SIZE: 10pt">v[0].x<SPAN style="mso-spacerun: yes"> </SPAN>= 0.0f;<SPAN style="mso-spacerun: yes"> </SPAN>v[0].y<SPAN style="mso-spacerun: yes"> </SPAN>= 10.0;<SPAN style="mso-spacerun: yes"> </SPAN>v[0].z<SPAN style="mso-spacerun: yes"> </SPAN>= 10.0f;<o:p></o:p></SPAN></PRE><PRE><SPAN lang=EN-US style="FONT-SIZE: 10pt">v[0].nx = 0.0f;<SPAN style="mso-spacerun: yes"> </SPAN>v[0].ny = 1.0f;<SPAN style="mso-spacerun: yes"> </SPAN>v[0].nz = 0.0f;<o:p></o:p></SPAN></PRE><PRE><SPAN lang=EN-US style="FONT-SIZE: 10pt">v[0].tu = 0.0f;<SPAN style="mso-spacerun: yes"> </SPAN>v[0].tv = 0.0f;<o:p></o:p></SPAN></PRE><PRE><SPAN lang=EN-US style="FONT-SIZE: 10pt"><o:p> </o:p></SPAN></PRE><PRE><SPAN lang=EN-US style="FONT-SIZE: 10pt">v[1].x<SPAN style="mso-spacerun: yes"> </SPAN>= 0.0f;<SPAN style="mso-spacerun: yes"> </SPAN>v[1].y <SPAN style="mso-spacerun: yes"> </SPAN>= 0.0f;<SPAN style="mso-spacerun: yes"> </SPAN>v[1].z<SPAN style="mso-spacerun: yes"> </SPAN>= 10.0f;<o:p></o:p></SPAN></PRE><PRE><SPAN lang=EN-US style="FONT-SIZE: 10pt">v[1].nx = 0.0f;<SPAN style="mso-spacerun: yes"> </SPAN>v[1].ny = 1.0f;<SPAN style="mso-spacerun: yes"> </SPAN>v[1].nz = 0.0f;<o:p></o:p></SPAN></PRE><PRE><SPAN lang=EN-US style="FONT-SIZE: 10pt">v[1].tu = 0.0f;<SPAN style="mso-spacerun: yes"> </SPAN>v[1].tv = 0.0f;<o:p></o:p></SPAN></PRE><PRE><SPAN lang=EN-US style="FONT-SIZE: 10pt"><o:p> </o:p></SPAN></PRE><PRE><SPAN lang=EN-US style="FONT-SIZE: 10pt">v[2].x<SPAN style="mso-spacerun: yes"> </SPAN>= 10.0f; v[2].y<SPAN style="mso-spacerun: yes"> </SPAN>= 10.0f; v[2].z<SPAN style="mso-spacerun: yes"> </SPAN>= 10.0f;<o:p></o:p></SPAN></PRE><PRE><SPAN lang=EN-US style="FONT-SIZE: 10pt">v[2].nx = 0.0f;<SPAN style="mso-spacerun: yes"> </SPAN>v[2].ny = 1.0f;<SPAN style="mso-spacerun: yes"> </SPAN>v[2].nz = 0.0f;<o:p></o:p></SPAN></PRE><PRE><SPAN lang=EN-US style="FONT-SIZE: 10pt">v[2].tu = 0.0f;<SPAN style="mso-spacerun: yes"> </SPAN>v[2].tv = 0.0f;<o:p></o:p></SPAN></PRE><PRE><SPAN lang=EN-US style="FONT-SIZE: 10pt"><o:p> </o:p></SPAN></PRE><PRE><SPAN lang=EN-US style="FONT-SIZE: 10pt">v[3].x<SPAN style="mso-spacerun: yes"> </SPAN>= 0.0f; v[3].y<SPAN style="mso-spacerun: yes"> </SPAN>= 10.0f;<SPAN style="mso-spacerun: yes"> </SPAN>v[3].z = 10.0f;<o:p></o:p></SPAN></PRE><PRE><SPAN lang=EN-US style="FONT-SIZE: 10pt">v[3].nx = 0.0f; v[3].ny = 1.0f;<SPAN style="mso-spacerun: yes"> </SPAN>v[3].nz = 0.0f;<o:p></o:p></SPAN></PRE><PRE><SPAN lang=EN-US style="FONT-SIZE: 10pt">v[3].tu = 0.0f; v[3].tv = 0.0f;<o:p></o:p></SPAN></PRE><PRE><SPAN lang=EN-US style="FONT-SIZE: 10pt"><o:p> </o:p></SPAN></PRE><PRE><SPAN lang=EN-US style="FONT-SIZE: 10pt">pBigSquareVB->Unlock();<o:p></o:p></SPAN></PRE>
<P class=MsoNormal
style="mso-margin-top-alt: auto; mso-margin-bottom-alt: auto"><SPAN
style="FONT-FAMILY: 宋体; mso-bidi-font-family: 宋体; mso-fareast-language: ZH-CN">至此顶点缓存已经初始化结束，可以准备渲染了。以下示例代码显示了如何使用传统的弹性顶点格式（<SPAN
lang=EN-US>FVF）绘制一个正方形。<o:p></o:p></SPAN></SPAN></P>
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lang=EN-US
style="FONT-SIZE: 10pt; FONT-FAMILY: 宋体; mso-bidi-font-family: 宋体; mso-fareast-language: ZH-CN">g_d3dDevice->SetFVF(
VertexFVF );<o:p></o:p></SPAN></P>
<P class=MsoNormal
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lang=EN-US
style="FONT-SIZE: 10pt; FONT-FAMILY: 宋体; mso-bidi-font-family: 宋体; mso-fareast-language: ZH-CN">g_d3dDevice->SetStreamSource(
0, pBigSquareVB, 4*sizeof(Vertex) );<o:p></o:p></SPAN></P>
<P class=MsoNormal
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lang=EN-US
style="FONT-SIZE: 10pt; FONT-FAMILY: 宋体; mso-bidi-font-family: 宋体; mso-fareast-language: ZH-CN">g_d3dDevice->DrawPrimitive(
D3DPT_TRIANGLESTRIP, 0 ,2);<o:p></o:p></SPAN></P>
<P class=MsoNormal
style="mso-margin-top-alt: auto; mso-margin-bottom-alt: auto"><SPAN
style="FONT-FAMILY: 宋体; mso-bidi-font-family: 宋体; mso-fareast-language: ZH-CN">把一个<SPAN
lang=EN-US>FVF传递给<U>IDirect3DDevice9::SetFVF</U>会指定一个传统的FVF，顶点数据在数据流0中。<o:p></o:p></SPAN></SPAN></P>
<DIV class=MsoNormal style="TEXT-ALIGN: center" align=center><SPAN lang=EN-US
style="FONT-FAMILY: 宋体; mso-bidi-font-family: 宋体; mso-fareast-language: ZH-CN">
<HR align=center width="100%" SIZE=1>
</SPAN></DIV>
<P class=MsoNormal
style="mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; mso-outline-level: 1"><A
name=LVertex传统类型><B><SPAN lang=EN-US
style="FONT-SIZE: 24pt; FONT-FAMILY: 宋体; mso-bidi-font-family: 宋体; mso-font-kerning: 18.0pt; mso-fareast-language: ZH-CN">LVertex传统类型</SPAN></B></A><B><SPAN
lang=EN-US
style="FONT-SIZE: 24pt; FONT-FAMILY: 宋体; mso-bidi-font-family: 宋体; mso-font-kerning: 18.0pt; mso-fareast-language: ZH-CN"><o:p></o:p></SPAN></B></P>
<DIV class=MsoNormal style="TEXT-ALIGN: center" align=center><SPAN lang=EN-US
style="FONT-FAMILY: 宋体; mso-bidi-font-family: 宋体; mso-fareast-language: ZH-CN">
<HR align=center width="100%" SIZE=1>
</SPAN></DIV>
<P class=MsoNormal
style="mso-margin-top-alt: auto; mso-margin-bottom-alt: auto"><SPAN
style="FONT-FAMILY: 宋体; mso-bidi-font-family: 宋体; mso-fareast-language: ZH-CN">本主题说明了初始化并使用包含位置、漫反射色、镜面反射色和纹理坐标的顶点所需的步骤。<SPAN
lang=EN-US><o:p></o:p></SPAN></SPAN></P>
<P class=MsoNormal
style="mso-margin-top-alt: auto; mso-margin-bottom-alt: auto"><SPAN
style="FONT-FAMILY: 宋体; mso-bidi-font-family: 宋体; mso-fareast-language: ZH-CN">第一步是定义自定义顶点类型和弹性顶点格式（<SPAN
lang=EN-US>FVF），如以下示例代码所示。<o:p></o:p></SPAN></SPAN></P>
<P class=MsoNormal
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lang=EN-US
style="FONT-SIZE: 10pt; FONT-FAMILY: 宋体; mso-bidi-font-family: 宋体; mso-fareast-language: ZH-CN">struct
LVertex<o:p></o:p></SPAN></P>
<P class=MsoNormal
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lang=EN-US
style="FONT-SIZE: 10pt; FONT-FAMILY: 宋体; mso-bidi-font-family: 宋体; mso-fareast-language: ZH-CN">{<o:p></o:p></SPAN></P>
<P class=MsoNormal
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lang=EN-US
style="FONT-SIZE: 10pt; FONT-FAMILY: 宋体; mso-bidi-font-family: 宋体; mso-fareast-language: ZH-CN"><SPAN
style="mso-spacerun: yes"> </SPAN>FLOAT<SPAN
style="mso-spacerun: yes"> </SPAN>x, y,
z;<o:p></o:p></SPAN></P>
<P class=MsoNormal
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lang=EN-US
style="FONT-SIZE: 10pt; FONT-FAMILY: 宋体; mso-bidi-font-family: 宋体; mso-fareast-language: ZH-CN"><SPAN
style="mso-spacerun: yes"> </SPAN>D3DCOLOR specular,
diffuse;<o:p></o:p></SPAN></P>
<P class=MsoNormal
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lang=EN-US
style="FONT-SIZE: 10pt; FONT-FAMILY: 宋体; mso-bidi-font-family: 宋体; mso-fareast-language: ZH-CN"><SPAN
style="mso-spacerun: yes"> </SPAN>FLOAT<SPAN
style="mso-spacerun: yes"> </SPAN>tu,
tv;<o:p></o:p></SPAN></P>
<P class=MsoNormal
style="tab-stops: 45.8pt 91.6pt 137.4pt 183.2pt 229.0pt 274.8pt 320.6pt 366.4pt 412.2pt 458.0pt 503.8pt 549.6pt 595.4pt 641.2pt 687.0pt 732.8pt"><SPAN
lang=EN-US
style="FONT-SIZE: 10pt; FONT-FAMILY: 宋体; mso-bidi-font-family: 宋体; mso-fareast-language: ZH-CN">};<o:p></o:p></SPAN></P>
<P class=MsoNormal
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lang=EN-US
style="FONT-SIZE: 10pt; FONT-FAMILY: 宋体; mso-bidi-font-family: 宋体; mso-fareast-language: ZH-CN"><o:p> </o:p></SPAN></P>
<P class=MsoNormal
style="tab-stops: 45.8pt 91.6pt 137.4pt 183.2pt 229.0pt 274.8pt 320.6pt 366.4pt 412.2pt 458.0pt 503.8pt 549.6pt 595.4pt 641.2pt 687.0pt 732.8pt"><SPAN
lang=EN-US
style="FONT-SIZE: 10pt; FONT-FAMILY: 宋体; mso-bidi-font-family: 宋体; mso-fareast-language: ZH-CN">const
DWORD VertexFVF = (D3DFVF_XYZ | D3DFVF_DIFFUSE |<o:p></o:p></SPAN></P>
<P class=MsoNormal
style="tab-stops: 45.8pt 91.6pt 137.4pt 183.2pt 229.0pt 274.8pt 320.6pt 366.4pt 412.2pt 458.0pt 503.8pt 549.6pt 595.4pt 641.2pt 687.0pt 732.8pt"><SPAN
lang=EN-US
style="FONT-SIZE: 10pt; FONT-FAMILY: 宋体; mso-bidi-font-family: 宋体; mso-fareast-language: ZH-CN"><SPAN
style="mso-spacerun: yes">
</SPAN>D3DFVF_SPECULAR | D3DFVF_TEX1 );<o:p></o:p></SPAN></P>
<P class=MsoNormal
style="mso-margin-top-alt: auto; mso-margin-bottom-alt: auto"><SPAN
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