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7e7c5e4c AZ |
1 | /* |
2 | * QEMU Epson S1D13744/S1D13745 templates | |
3 | * | |
4 | * Copyright (C) 2008 Nokia Corporation | |
5 | * Written by Andrzej Zaborowski <[email protected]> | |
6 | * | |
7 | * This program is free software; you can redistribute it and/or | |
8 | * modify it under the terms of the GNU General Public License as | |
9 | * published by the Free Software Foundation; either version 2 or | |
10 | * (at your option) version 3 of the License. | |
11 | * | |
12 | * This program is distributed in the hope that it will be useful, | |
13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | * GNU General Public License for more details. | |
16 | * | |
fad6cb1a | 17 | * You should have received a copy of the GNU General Public License along |
8167ee88 | 18 | * with this program; if not, see <http://www.gnu.org/licenses/>. |
7e7c5e4c AZ |
19 | */ |
20 | ||
2cdaca90 | 21 | #define SKIP_PIXEL(to) (to += deststep) |
5c87c408 | 22 | #if DEPTH == 32 |
2cdaca90 PB |
23 | # define PIXEL_TYPE uint32_t |
24 | # define COPY_PIXEL(to, from) do { *to = from; SKIP_PIXEL(to); } while (0) | |
25 | # define COPY_PIXEL1(to, from) (*to++ = from) | |
7e7c5e4c AZ |
26 | #else |
27 | # error unknown bit depth | |
28 | #endif | |
29 | ||
e2542fe2 | 30 | #ifdef HOST_WORDS_BIGENDIAN |
7e7c5e4c AZ |
31 | # define SWAP_WORDS 1 |
32 | #endif | |
33 | ||
34 | static void glue(blizzard_draw_line16_, DEPTH)(PIXEL_TYPE *dest, | |
35 | const uint16_t *src, unsigned int width) | |
36 | { | |
7e7c5e4c AZ |
37 | uint16_t data; |
38 | unsigned int r, g, b; | |
b21e9863 | 39 | const uint16_t *end = (const void *) src + width; |
7e7c5e4c | 40 | while (src < end) { |
fc97bb5b | 41 | data = *src ++; |
7e7c5e4c AZ |
42 | b = (data & 0x1f) << 3; |
43 | data >>= 5; | |
44 | g = (data & 0x3f) << 2; | |
45 | data >>= 6; | |
46 | r = (data & 0x1f) << 3; | |
47 | data >>= 5; | |
48 | COPY_PIXEL1(dest, glue(rgb_to_pixel, DEPTH)(r, g, b)); | |
49 | } | |
7e7c5e4c AZ |
50 | } |
51 | ||
52 | static void glue(blizzard_draw_line24mode1_, DEPTH)(PIXEL_TYPE *dest, | |
53 | const uint8_t *src, unsigned int width) | |
54 | { | |
55 | /* TODO: check if SDL 24-bit planes are not in the same format and | |
56 | * if so, use memcpy */ | |
57 | unsigned int r[2], g[2], b[2]; | |
58 | const uint8_t *end = src + width; | |
59 | while (src < end) { | |
60 | g[0] = *src ++; | |
61 | r[0] = *src ++; | |
62 | r[1] = *src ++; | |
63 | b[0] = *src ++; | |
64 | COPY_PIXEL1(dest, glue(rgb_to_pixel, DEPTH)(r[0], g[0], b[0])); | |
65 | b[1] = *src ++; | |
66 | g[1] = *src ++; | |
67 | COPY_PIXEL1(dest, glue(rgb_to_pixel, DEPTH)(r[1], g[1], b[1])); | |
68 | } | |
69 | } | |
70 | ||
71 | static void glue(blizzard_draw_line24mode2_, DEPTH)(PIXEL_TYPE *dest, | |
72 | const uint8_t *src, unsigned int width) | |
73 | { | |
74 | unsigned int r, g, b; | |
75 | const uint8_t *end = src + width; | |
76 | while (src < end) { | |
77 | r = *src ++; | |
78 | src ++; | |
79 | b = *src ++; | |
80 | g = *src ++; | |
81 | COPY_PIXEL1(dest, glue(rgb_to_pixel, DEPTH)(r, g, b)); | |
82 | } | |
83 | } | |
84 | ||
85 | /* No rotation */ | |
86 | static blizzard_fn_t glue(blizzard_draw_fn_, DEPTH)[0x10] = { | |
87 | NULL, | |
88 | /* RGB 5:6:5*/ | |
89 | (blizzard_fn_t) glue(blizzard_draw_line16_, DEPTH), | |
90 | /* RGB 6:6:6 mode 1 */ | |
91 | (blizzard_fn_t) glue(blizzard_draw_line24mode1_, DEPTH), | |
92 | /* RGB 8:8:8 mode 1 */ | |
93 | (blizzard_fn_t) glue(blizzard_draw_line24mode1_, DEPTH), | |
94 | NULL, NULL, | |
95 | /* RGB 6:6:6 mode 2 */ | |
96 | (blizzard_fn_t) glue(blizzard_draw_line24mode2_, DEPTH), | |
97 | /* RGB 8:8:8 mode 2 */ | |
98 | (blizzard_fn_t) glue(blizzard_draw_line24mode2_, DEPTH), | |
99 | /* YUV 4:2:2 */ | |
100 | NULL, | |
101 | /* YUV 4:2:0 */ | |
102 | NULL, | |
103 | NULL, NULL, NULL, NULL, NULL, NULL, | |
104 | }; | |
105 | ||
106 | /* 90deg, 180deg and 270deg rotation */ | |
107 | static blizzard_fn_t glue(blizzard_draw_fn_r_, DEPTH)[0x10] = { | |
108 | /* TODO */ | |
109 | [0 ... 0xf] = NULL, | |
110 | }; | |
111 | ||
112 | #undef DEPTH | |
113 | #undef SKIP_PIXEL | |
114 | #undef COPY_PIXEL | |
115 | #undef COPY_PIXEL1 | |
116 | #undef PIXEL_TYPE | |
117 | ||
118 | #undef SWAP_WORDS |