ref: 82888bed1931e83ed1401485033cb9f7acdadc94
dir: /doc/libgraphics.ms/
.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