EAGLE
PRELIMINARY
Ver 1.3
Rendering Engine Command Packet.
15 14
13
12 11 10
9
8
7
6
5
4
3
2
1
0
Etc.
Texture Mapping & Effect Command
Flipping Command
Palette
Update
Mosaic Mode
Alpha
Enable
Shade
/ Light
Enable
Trans
Enable
Clipping
Enable
Tile
Mode
Texture
Mapping
Enable
Vertical
Vertical
Async
Flip
PD[ 0]
PD[ 1]
3’b000: Disable 3’b100: 16*16
SyncFlip
SyncFlip
3’b001: 2*2
3’b010: 4*4
3’b011: 8*8
3’b101: 32*32
3’b110: 32*16
3’b111: 16*32
(Optmized)
( Negedge)
E6
E5
E4
E3
E2
E1
E0
Group#0
( Display Area Parameter )
Dx[ 9:0 ]
Dy[ 9:0]
EndDx[ 9:0]
EndDy[ 9:0]
PD[ 2]
PD[ 3]
PD[ 4]
PD[ 5]
Group#1
( Texture start point S.10.9 [ sign,integer 10bit,fractional 9bit ] signed 2’s complement format )
Tx[15:0]
PD[ 6]
PD[ 7]
PD[ 8]
PD[ 9]
Tx[19:16]
Ty[15:0]
Ty[19:16]
Group#2
( Texture deviation according to display increment S.10.9 [ sign,integer 10bit,fractional 9bit ] signed 2’s complement format )
DTxdx[15:0]
DTydx[15:0]
DTxdy[15:0]
DTydy[15:0]
PD[10]
PD[11]
PD[12]
PD[13]
PD[14]
PD[15]
PD[16]
PD[17]
DTxdx[19:16]
DTydx[19:16]
DTxdy[19:16]
DTydy[19:16]
Group#3
( Alpha Parameter )
SrcAlphaColor[15:0] ( G,B )
PD[18]
PD[19]
PD[20]
PD[21]
SrcBlendFunc[ 5:0]
DestBlendFunc[ 5:0]
SrcAlphaColor[23:16] ( R )
DestAlphaColor[15:0] ( G,B )
DestAlphaColor[23:16] ( R )
Group#4
( Color Gain Parameter. For Shading or Lighting Effect )
Shade Color[15:0] ( G,B )
PD[22]
PD[23]
Shade Color[23:16] ( R )
Group#5
( Transparent Parameter )
Transparent Color[15:0] ( G,B )
PD[24]
PD[25]
Transparent Color[23:16] ( R )
Group#6
( Address Offset & Etc.. )
Tile Offset[21:6]
PD[26]
PD[27]
PD[28]
PD[29]
PD[30]
PD[31]
Tile Offset[25:22]
Font Offset[21:6]
Font Offset[25:22]
Palette Offset[25:10]
Palette Bank Select
This Parameter used only
@ 4bpp Texel mode
Texel Format
Texture ( Tile ) Height
Log2(Height) -3
Texture ( Tile ) Width
Log2(width) -3
2’b00: 4bpp
2’b01: 8bpp
2’b1X: 16bpp
15 14
13
12 11 10
9
8
7
6
5
4
3
2
1
0
Table 3-14 Rendering Engine Command Packet
Note) Engine uses Half Word ( Per Pixel ) Addressing Mode.
So, Offset address [25:6] mapped to [26:7] Texture Memory Area.
Beijing Peak Microtech Co.Ltd.
CONFIDENTIAL
100
ETC [ ETC ]
