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.TL
libgraphics
.AU
Rodrigo G. López
rgl@antares-labs.eu
.AB
To be determined.
.AE
.SH
Rendering graph
.PP
.PS
.ps 7
circlerad = 0.3
moveht = 0.1
arrowhead = 9
box "Renderjob"
arrow
R: circle "renderer"
arrow
E: circle "entityproc"
move
Tiler: [
down
T0: circle "tiler 1"
move
T1: circle "tiler 2"
move
Td: circle "…"
move
Tn: circle "tiler n"
]
move
Raster: [
down
R0: circle "rasterizer 1"
move
R1: circle "rasterizer 2"
move
Rd: circle "…"
move
Rn: circle "rasterizer n"
]
arrow from E to Tiler.T0 chop
arrow from E to Tiler.T1 chop
arrow from E to Tiler.Td chop
arrow from E to Tiler.Tn chop
arrow from Tiler.T0 to Raster.R0 chop
arrow from Tiler.T0 to Raster.R1 chop
arrow from Tiler.T0 to Raster.Rd chop
arrow from Tiler.T0 to Raster.Rn chop
arrow from Tiler.T1 to Raster.R0 chop
arrow from Tiler.T1 to Raster.R1 chop
arrow from Tiler.T1 to Raster.Rd chop
arrow from Tiler.T1 to Raster.Rn chop
.ps 10
.PE
.B "Figure 1" :
For a
.B 2n
processor machine.
.SH
The scene
.PP
.PS
.ps 7
boxwid = 0.5
boxht = 0.2
linewid = 0.1
lineht = 0.2
box "Scene"
down; line from last box.s; right; line
box "Entity"
down; line from last box.s; right; line
box "Model"
down; line from last box.s; right; line
box "Mesh"
down; line from last box.s; right; line
box "Primitive"
down
line from 2nd last line.s; line; right; line
box "Material"
.ps 10
.PE
.SH
Tile-based rendering
.PP
.PS
.ps 7
Tiles: [
boxht = 0.2
boxwid = 1.25
down
T0: box dashed "tile 1"
T1: box dashed "tile 2"
Td: box dashed "…"
Tn: box dashed "tile n"
]
box ht last [].ht+0.1 wid last [].wid+0.1 at last []
"Screen" rjust with .se at last [].nw - (0.1,0)
Raster: [
moveht = 0.1
down
R0: circle "rasterizer 1"
move
R1: circle "rasterizer 2"
move
Rd: circle "…"
move
Rn: circle "rasterizer n"
] with .w at Tiles.e + (0.5,0)
line from Tiles.T0.e to Raster.R0.w
line from Tiles.T1.e to Raster.R1.w
line from Tiles.Td.e to Raster.Rd.w
line from Tiles.Tn.e to Raster.Rn.w
.ps 10
.PE
.B "Figure 2" :
Per tile rasterizers.
.PS
.ps 7
Tiles: [
boxht = 0.2
boxwid = 1.25
down
T0: box dashed "1"
T1: box dashed "2"
Td: box dashed "…"
Tn: box dashed "n"
]
line from last [].w + (0.1,-0.05) to last [].n - (-0.1,0.25)
line to last [].se - (0.3,-0.1)
line to 1st line
box ht last [].ht+0.1 wid last [].wid+0.1 at last []
"Screen" rjust with .se at last [].nw - (0.1,0)
Raster: [
moveht = 0.1
down
R0: circle "rasterizer 1"
move
R1: circle "rasterizer 2"
move
Rd: circle "…"
move
Rn: circle "rasterizer n"
] with .w at Tiles.e + (0.5,0)
arrow dashed from Tiles.T0.e to Raster.R0.w
arrow from Tiles.T1.e to Raster.R1.w
arrow from Tiles.Td.e to Raster.Rd.w
arrow from Tiles.Tn.e to Raster.Rn.w
.ps 10
.PE
.B "Figure 3" :
Raster task scheduling.
.SH
Frames of reference
.PP
Frames are right-handed throughout every stage.
.PS
.ps 7
.ps 10
.PE
|
