1706f2543Smrg#include "xaalocal.h"
2706f2543Smrg/*
3706f2543Smrg * This is a table of 24-bit values, indexed with an 8-bit byte value, then
4706f2543Smrg * expands each bit to three consecutive bits. This is required for color
5706f2543Smrg * expansion in 24bpp mode with the coprocessor in 8bpp mode, with LSB-first
6706f2543Smrg * bit order within a byte.
7706f2543Smrg */
8706f2543Smrg
9706f2543Smrgunsigned int byte_expand3[256] =
10706f2543Smrg{
11706f2543Smrg    0x000000, 0x000007, 0x000038, 0x00003F, 0x0001C0, 0x0001C7, 0x0001F8, 0x0001FF,
12706f2543Smrg    0x000E00, 0x000E07, 0x000E38, 0x000E3F, 0x000FC0, 0x000FC7, 0x000FF8, 0x000FFF,
13706f2543Smrg    0x007000, 0x007007, 0x007038, 0x00703F, 0x0071C0, 0x0071C7, 0x0071F8, 0x0071FF,
14706f2543Smrg    0x007E00, 0x007E07, 0x007E38, 0x007E3F, 0x007FC0, 0x007FC7, 0x007FF8, 0x007FFF,
15706f2543Smrg    0x038000, 0x038007, 0x038038, 0x03803F, 0x0381C0, 0x0381C7, 0x0381F8, 0x0381FF,
16706f2543Smrg    0x038E00, 0x038E07, 0x038E38, 0x038E3F, 0x038FC0, 0x038FC7, 0x038FF8, 0x038FFF,
17706f2543Smrg    0x03F000, 0x03F007, 0x03F038, 0x03F03F, 0x03F1C0, 0x03F1C7, 0x03F1F8, 0x03F1FF,
18706f2543Smrg    0x03FE00, 0x03FE07, 0x03FE38, 0x03FE3F, 0x03FFC0, 0x03FFC7, 0x03FFF8, 0x03FFFF,
19706f2543Smrg    0x1C0000, 0x1C0007, 0x1C0038, 0x1C003F, 0x1C01C0, 0x1C01C7, 0x1C01F8, 0x1C01FF,
20706f2543Smrg    0x1C0E00, 0x1C0E07, 0x1C0E38, 0x1C0E3F, 0x1C0FC0, 0x1C0FC7, 0x1C0FF8, 0x1C0FFF,
21706f2543Smrg    0x1C7000, 0x1C7007, 0x1C7038, 0x1C703F, 0x1C71C0, 0x1C71C7, 0x1C71F8, 0x1C71FF,
22706f2543Smrg    0x1C7E00, 0x1C7E07, 0x1C7E38, 0x1C7E3F, 0x1C7FC0, 0x1C7FC7, 0x1C7FF8, 0x1C7FFF,
23706f2543Smrg    0x1F8000, 0x1F8007, 0x1F8038, 0x1F803F, 0x1F81C0, 0x1F81C7, 0x1F81F8, 0x1F81FF,
24706f2543Smrg    0x1F8E00, 0x1F8E07, 0x1F8E38, 0x1F8E3F, 0x1F8FC0, 0x1F8FC7, 0x1F8FF8, 0x1F8FFF,
25706f2543Smrg    0x1FF000, 0x1FF007, 0x1FF038, 0x1FF03F, 0x1FF1C0, 0x1FF1C7, 0x1FF1F8, 0x1FF1FF,
26706f2543Smrg    0x1FFE00, 0x1FFE07, 0x1FFE38, 0x1FFE3F, 0x1FFFC0, 0x1FFFC7, 0x1FFFF8, 0x1FFFFF,
27706f2543Smrg    0xE00000, 0xE00007, 0xE00038, 0xE0003F, 0xE001C0, 0xE001C7, 0xE001F8, 0xE001FF,
28706f2543Smrg    0xE00E00, 0xE00E07, 0xE00E38, 0xE00E3F, 0xE00FC0, 0xE00FC7, 0xE00FF8, 0xE00FFF,
29706f2543Smrg    0xE07000, 0xE07007, 0xE07038, 0xE0703F, 0xE071C0, 0xE071C7, 0xE071F8, 0xE071FF,
30706f2543Smrg    0xE07E00, 0xE07E07, 0xE07E38, 0xE07E3F, 0xE07FC0, 0xE07FC7, 0xE07FF8, 0xE07FFF,
31706f2543Smrg    0xE38000, 0xE38007, 0xE38038, 0xE3803F, 0xE381C0, 0xE381C7, 0xE381F8, 0xE381FF,
32706f2543Smrg    0xE38E00, 0xE38E07, 0xE38E38, 0xE38E3F, 0xE38FC0, 0xE38FC7, 0xE38FF8, 0xE38FFF,
33706f2543Smrg    0xE3F000, 0xE3F007, 0xE3F038, 0xE3F03F, 0xE3F1C0, 0xE3F1C7, 0xE3F1F8, 0xE3F1FF,
34706f2543Smrg    0xE3FE00, 0xE3FE07, 0xE3FE38, 0xE3FE3F, 0xE3FFC0, 0xE3FFC7, 0xE3FFF8, 0xE3FFFF,
35706f2543Smrg    0xFC0000, 0xFC0007, 0xFC0038, 0xFC003F, 0xFC01C0, 0xFC01C7, 0xFC01F8, 0xFC01FF,
36706f2543Smrg    0xFC0E00, 0xFC0E07, 0xFC0E38, 0xFC0E3F, 0xFC0FC0, 0xFC0FC7, 0xFC0FF8, 0xFC0FFF,
37706f2543Smrg    0xFC7000, 0xFC7007, 0xFC7038, 0xFC703F, 0xFC71C0, 0xFC71C7, 0xFC71F8, 0xFC71FF,
38706f2543Smrg    0xFC7E00, 0xFC7E07, 0xFC7E38, 0xFC7E3F, 0xFC7FC0, 0xFC7FC7, 0xFC7FF8, 0xFC7FFF,
39706f2543Smrg    0xFF8000, 0xFF8007, 0xFF8038, 0xFF803F, 0xFF81C0, 0xFF81C7, 0xFF81F8, 0xFF81FF,
40706f2543Smrg    0xFF8E00, 0xFF8E07, 0xFF8E38, 0xFF8E3F, 0xFF8FC0, 0xFF8FC7, 0xFF8FF8, 0xFF8FFF,
41706f2543Smrg    0xFFF000, 0xFFF007, 0xFFF038, 0xFFF03F, 0xFFF1C0, 0xFFF1C7, 0xFFF1F8, 0xFFF1FF,
42706f2543Smrg    0xFFFE00, 0xFFFE07, 0xFFFE38, 0xFFFE3F, 0xFFFFC0, 0xFFFFC7, 0xFFFFF8, 0xFFFFFF
43706f2543Smrg};
44706f2543Smrg
45706f2543Smrg/*
46706f2543Smrg * This is a table of 24-bit values, indexed with an 8-bit byte value,
47706f2543Smrg * that reverses the bit order of a byte and then expands each bit to three
48706f2543Smrg * consecutive bits. This is required for color expansion in 24bpp mode
49706f2543Smrg * with the coprocessor in 8bpp mode, with MSB-first bit order within a
50706f2543Smrg * byte.
51706f2543Smrg */
52706f2543Smrg
53706f2543Smrgunsigned int byte_reversed_expand3[256] =
54706f2543Smrg{
55706f2543Smrg    0x000000, 0x0000E0, 0x00001C, 0x0000FC, 0x008003, 0x0080E3, 0x00801F, 0x0080FF,
56706f2543Smrg    0x007000, 0x0070E0, 0x00701C, 0x0070FC, 0x00F003, 0x00F0E3, 0x00F01F, 0x00F0FF,
57706f2543Smrg    0x000E00, 0x000EE0, 0x000E1C, 0x000EFC, 0x008E03, 0x008EE3, 0x008E1F, 0x008EFF,
58706f2543Smrg    0x007E00, 0x007EE0, 0x007E1C, 0x007EFC, 0x00FE03, 0x00FEE3, 0x00FE1F, 0x00FEFF,
59706f2543Smrg    0xC00100, 0xC001E0, 0xC0011C, 0xC001FC, 0xC08103, 0xC081E3, 0xC0811F, 0xC081FF,
60706f2543Smrg    0xC07100, 0xC071E0, 0xC0711C, 0xC071FC, 0xC0F103, 0xC0F1E3, 0xC0F11F, 0xC0F1FF,
61706f2543Smrg    0xC00F00, 0xC00FE0, 0xC00F1C, 0xC00FFC, 0xC08F03, 0xC08FE3, 0xC08F1F, 0xC08FFF,
62706f2543Smrg    0xC07F00, 0xC07FE0, 0xC07F1C, 0xC07FFC, 0xC0FF03, 0xC0FFE3, 0xC0FF1F, 0xC0FFFF,
63706f2543Smrg    0x380000, 0x3800E0, 0x38001C, 0x3800FC, 0x388003, 0x3880E3, 0x38801F, 0x3880FF,
64706f2543Smrg    0x387000, 0x3870E0, 0x38701C, 0x3870FC, 0x38F003, 0x38F0E3, 0x38F01F, 0x38F0FF,
65706f2543Smrg    0x380E00, 0x380EE0, 0x380E1C, 0x380EFC, 0x388E03, 0x388EE3, 0x388E1F, 0x388EFF,
66706f2543Smrg    0x387E00, 0x387EE0, 0x387E1C, 0x387EFC, 0x38FE03, 0x38FEE3, 0x38FE1F, 0x38FEFF,
67706f2543Smrg    0xF80100, 0xF801E0, 0xF8011C, 0xF801FC, 0xF88103, 0xF881E3, 0xF8811F, 0xF881FF,
68706f2543Smrg    0xF87100, 0xF871E0, 0xF8711C, 0xF871FC, 0xF8F103, 0xF8F1E3, 0xF8F11F, 0xF8F1FF,
69706f2543Smrg    0xF80F00, 0xF80FE0, 0xF80F1C, 0xF80FFC, 0xF88F03, 0xF88FE3, 0xF88F1F, 0xF88FFF,
70706f2543Smrg    0xF87F00, 0xF87FE0, 0xF87F1C, 0xF87FFC, 0xF8FF03, 0xF8FFE3, 0xF8FF1F, 0xF8FFFF,
71706f2543Smrg    0x070000, 0x0700E0, 0x07001C, 0x0700FC, 0x078003, 0x0780E3, 0x07801F, 0x0780FF,
72706f2543Smrg    0x077000, 0x0770E0, 0x07701C, 0x0770FC, 0x07F003, 0x07F0E3, 0x07F01F, 0x07F0FF,
73706f2543Smrg    0x070E00, 0x070EE0, 0x070E1C, 0x070EFC, 0x078E03, 0x078EE3, 0x078E1F, 0x078EFF,
74706f2543Smrg    0x077E00, 0x077EE0, 0x077E1C, 0x077EFC, 0x07FE03, 0x07FEE3, 0x07FE1F, 0x07FEFF,
75706f2543Smrg    0xC70100, 0xC701E0, 0xC7011C, 0xC701FC, 0xC78103, 0xC781E3, 0xC7811F, 0xC781FF,
76706f2543Smrg    0xC77100, 0xC771E0, 0xC7711C, 0xC771FC, 0xC7F103, 0xC7F1E3, 0xC7F11F, 0xC7F1FF,
77706f2543Smrg    0xC70F00, 0xC70FE0, 0xC70F1C, 0xC70FFC, 0xC78F03, 0xC78FE3, 0xC78F1F, 0xC78FFF,
78706f2543Smrg    0xC77F00, 0xC77FE0, 0xC77F1C, 0xC77FFC, 0xC7FF03, 0xC7FFE3, 0xC7FF1F, 0xC7FFFF,
79706f2543Smrg    0x3F0000, 0x3F00E0, 0x3F001C, 0x3F00FC, 0x3F8003, 0x3F80E3, 0x3F801F, 0x3F80FF,
80706f2543Smrg    0x3F7000, 0x3F70E0, 0x3F701C, 0x3F70FC, 0x3FF003, 0x3FF0E3, 0x3FF01F, 0x3FF0FF,
81706f2543Smrg    0x3F0E00, 0x3F0EE0, 0x3F0E1C, 0x3F0EFC, 0x3F8E03, 0x3F8EE3, 0x3F8E1F, 0x3F8EFF,
82706f2543Smrg    0x3F7E00, 0x3F7EE0, 0x3F7E1C, 0x3F7EFC, 0x3FFE03, 0x3FFEE3, 0x3FFE1F, 0x3FFEFF,
83706f2543Smrg    0xFF0100, 0xFF01E0, 0xFF011C, 0xFF01FC, 0xFF8103, 0xFF81E3, 0xFF811F, 0xFF81FF,
84706f2543Smrg    0xFF7100, 0xFF71E0, 0xFF711C, 0xFF71FC, 0xFFF103, 0xFFF1E3, 0xFFF11F, 0xFFF1FF,
85706f2543Smrg    0xFF0F00, 0xFF0FE0, 0xFF0F1C, 0xFF0FFC, 0xFF8F03, 0xFF8FE3, 0xFF8F1F, 0xFF8FFF,
86706f2543Smrg    0xFF7F00, 0xFF7FE0, 0xFF7F1C, 0xFF7FFC, 0xFFFF03, 0xFFFFE3, 0xFFFF1F, 0xFFFFFF,
87706f2543Smrg};
88