MB86296 Datasheet, PDF (139/352 Pages) Fujitsu Component Limited. – PCI Graphics Controller Specification

FUJITSU LIMITED PRELIMINARY AND CONFIDENTIAL
G_Begin (Format 5)
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24 23
16 15
0
G_Begin
Command
Reserved
The G_Begin command sets types of primitive for geometry processing and drawing. A vertex is
set and drawn by the G_Vertex command. The G_Vertex command must be specified between
the G_Begin command and G_End command.
Only G_Vertex or SetRegister for FC/BC (XY Only vertex) can placed between G_Begin and
G_End.
Command:
Points*
Lines*
Polygon*
Triangles*
Line_Strip*
Triangle_Strip*
Triangle_Fan*
Handles primitive as point
Handles primitive as independent line
Handles primitive as polygon
Handles primitive as independent triangle
Handles primitive as line strip
Handles primitive as triangle strip
Handles primitive as triangle fan
Usable combinations of GMDR0 mode setting and primitives are as follows:
Unclipped primitives (nclip*)
(ST,Z,C)
Point
Line
Triangle
(0,0,0)
Other than above
×
×
×
Polygon
×
Primitives other than unclipped primitives
(ST,Z,C)
Point
Line
(0,0,0)
(0,0,1)
×
×
(0,1,0)
(0,1,1)
×
×
(1,x,x)
×
×
Triangle
Polygon
×
×
×
×
MB86296S <Coral-PA>
129
Specification Manual Rev0.1