balrog | c3d2689 | 2007-07-29 17:57:26 +0000 | [diff] [blame] | 1 | /* |
| 2 | * QEMU OMAP LCD Emulator templates |
| 3 | * |
| 4 | * Copyright (c) 2006 Andrzej Zaborowski <balrog@zabor.org> |
| 5 | * |
| 6 | * Redistribution and use in source and binary forms, with or without |
| 7 | * modification, are permitted provided that the following conditions |
| 8 | * are met: |
| 9 | * |
| 10 | * 1. Redistributions of source code must retain the above copyright |
| 11 | * notice, this list of conditions and the following disclaimer. |
| 12 | * 2. Redistributions in binary form must reproduce the above copyright |
| 13 | * notice, this list of conditions and the following disclaimer in |
| 14 | * the documentation and/or other materials provided with the |
| 15 | * distribution. |
| 16 | * |
| 17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' |
| 18 | * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, |
| 19 | * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A |
| 20 | * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR |
| 21 | * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, |
| 22 | * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
| 23 | * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR |
| 24 | * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY |
| 25 | * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| 26 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| 27 | * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 28 | */ |
| 29 | |
| 30 | #if DEPTH == 8 |
| 31 | # define BPP 1 |
ths | 5fafdf2 | 2007-09-16 21:08:06 +0000 | [diff] [blame] | 32 | # define PIXEL_TYPE uint8_t |
balrog | c3d2689 | 2007-07-29 17:57:26 +0000 | [diff] [blame] | 33 | #elif DEPTH == 15 || DEPTH == 16 |
| 34 | # define BPP 2 |
ths | 5fafdf2 | 2007-09-16 21:08:06 +0000 | [diff] [blame] | 35 | # define PIXEL_TYPE uint16_t |
balrog | c3d2689 | 2007-07-29 17:57:26 +0000 | [diff] [blame] | 36 | #elif DEPTH == 32 |
| 37 | # define BPP 4 |
ths | 5fafdf2 | 2007-09-16 21:08:06 +0000 | [diff] [blame] | 38 | # define PIXEL_TYPE uint32_t |
balrog | c3d2689 | 2007-07-29 17:57:26 +0000 | [diff] [blame] | 39 | #else |
| 40 | # error unsupport depth |
| 41 | #endif |
| 42 | |
ths | 5fafdf2 | 2007-09-16 21:08:06 +0000 | [diff] [blame] | 43 | /* |
balrog | c3d2689 | 2007-07-29 17:57:26 +0000 | [diff] [blame] | 44 | * 2-bit colour |
| 45 | */ |
pbrook | 714fa30 | 2009-04-01 12:27:59 +0000 | [diff] [blame] | 46 | static void glue(draw_line2_, DEPTH)(void *opaque, |
| 47 | uint8_t *d, const uint8_t *s, int width, int deststep) |
balrog | c3d2689 | 2007-07-29 17:57:26 +0000 | [diff] [blame] | 48 | { |
pbrook | 714fa30 | 2009-04-01 12:27:59 +0000 | [diff] [blame] | 49 | uint16_t *pal = opaque; |
balrog | c3d2689 | 2007-07-29 17:57:26 +0000 | [diff] [blame] | 50 | uint8_t v, r, g, b; |
| 51 | |
| 52 | do { |
| 53 | v = ldub_raw((void *) s); |
| 54 | r = (pal[v & 3] >> 4) & 0xf0; |
| 55 | g = pal[v & 3] & 0xf0; |
| 56 | b = (pal[v & 3] << 4) & 0xf0; |
| 57 | ((PIXEL_TYPE *) d)[0] = glue(rgb_to_pixel, DEPTH)(r, g, b); |
| 58 | d += BPP; |
| 59 | v >>= 2; |
| 60 | r = (pal[v & 3] >> 4) & 0xf0; |
| 61 | g = pal[v & 3] & 0xf0; |
| 62 | b = (pal[v & 3] << 4) & 0xf0; |
| 63 | ((PIXEL_TYPE *) d)[0] = glue(rgb_to_pixel, DEPTH)(r, g, b); |
| 64 | d += BPP; |
| 65 | v >>= 2; |
| 66 | r = (pal[v & 3] >> 4) & 0xf0; |
| 67 | g = pal[v & 3] & 0xf0; |
| 68 | b = (pal[v & 3] << 4) & 0xf0; |
| 69 | ((PIXEL_TYPE *) d)[0] = glue(rgb_to_pixel, DEPTH)(r, g, b); |
| 70 | d += BPP; |
| 71 | v >>= 2; |
| 72 | r = (pal[v & 3] >> 4) & 0xf0; |
| 73 | g = pal[v & 3] & 0xf0; |
| 74 | b = (pal[v & 3] << 4) & 0xf0; |
| 75 | ((PIXEL_TYPE *) d)[0] = glue(rgb_to_pixel, DEPTH)(r, g, b); |
| 76 | d += BPP; |
| 77 | s ++; |
| 78 | width -= 4; |
| 79 | } while (width > 0); |
| 80 | } |
| 81 | |
ths | 5fafdf2 | 2007-09-16 21:08:06 +0000 | [diff] [blame] | 82 | /* |
balrog | c3d2689 | 2007-07-29 17:57:26 +0000 | [diff] [blame] | 83 | * 4-bit colour |
| 84 | */ |
pbrook | 714fa30 | 2009-04-01 12:27:59 +0000 | [diff] [blame] | 85 | static void glue(draw_line4_, DEPTH)(void *opaque, |
| 86 | uint8_t *d, const uint8_t *s, int width, int deststep) |
balrog | c3d2689 | 2007-07-29 17:57:26 +0000 | [diff] [blame] | 87 | { |
pbrook | 714fa30 | 2009-04-01 12:27:59 +0000 | [diff] [blame] | 88 | uint16_t *pal = opaque; |
balrog | c3d2689 | 2007-07-29 17:57:26 +0000 | [diff] [blame] | 89 | uint8_t v, r, g, b; |
| 90 | |
| 91 | do { |
| 92 | v = ldub_raw((void *) s); |
| 93 | r = (pal[v & 0xf] >> 4) & 0xf0; |
| 94 | g = pal[v & 0xf] & 0xf0; |
| 95 | b = (pal[v & 0xf] << 4) & 0xf0; |
| 96 | ((PIXEL_TYPE *) d)[0] = glue(rgb_to_pixel, DEPTH)(r, g, b); |
| 97 | d += BPP; |
| 98 | v >>= 4; |
| 99 | r = (pal[v & 0xf] >> 4) & 0xf0; |
| 100 | g = pal[v & 0xf] & 0xf0; |
| 101 | b = (pal[v & 0xf] << 4) & 0xf0; |
| 102 | ((PIXEL_TYPE *) d)[0] = glue(rgb_to_pixel, DEPTH)(r, g, b); |
| 103 | d += BPP; |
| 104 | s ++; |
| 105 | width -= 2; |
| 106 | } while (width > 0); |
| 107 | } |
| 108 | |
ths | 5fafdf2 | 2007-09-16 21:08:06 +0000 | [diff] [blame] | 109 | /* |
balrog | c3d2689 | 2007-07-29 17:57:26 +0000 | [diff] [blame] | 110 | * 8-bit colour |
| 111 | */ |
pbrook | 714fa30 | 2009-04-01 12:27:59 +0000 | [diff] [blame] | 112 | static void glue(draw_line8_, DEPTH)(void *opaque, |
| 113 | uint8_t *d, const uint8_t *s, int width, int deststep) |
balrog | c3d2689 | 2007-07-29 17:57:26 +0000 | [diff] [blame] | 114 | { |
pbrook | 714fa30 | 2009-04-01 12:27:59 +0000 | [diff] [blame] | 115 | uint16_t *pal = opaque; |
balrog | c3d2689 | 2007-07-29 17:57:26 +0000 | [diff] [blame] | 116 | uint8_t v, r, g, b; |
| 117 | |
| 118 | do { |
| 119 | v = ldub_raw((void *) s); |
| 120 | r = (pal[v] >> 4) & 0xf0; |
| 121 | g = pal[v] & 0xf0; |
| 122 | b = (pal[v] << 4) & 0xf0; |
| 123 | ((PIXEL_TYPE *) d)[0] = glue(rgb_to_pixel, DEPTH)(r, g, b); |
| 124 | s ++; |
| 125 | d += BPP; |
| 126 | } while (-- width != 0); |
| 127 | } |
| 128 | |
ths | 5fafdf2 | 2007-09-16 21:08:06 +0000 | [diff] [blame] | 129 | /* |
balrog | c3d2689 | 2007-07-29 17:57:26 +0000 | [diff] [blame] | 130 | * 12-bit colour |
| 131 | */ |
pbrook | 714fa30 | 2009-04-01 12:27:59 +0000 | [diff] [blame] | 132 | static void glue(draw_line12_, DEPTH)(void *opaque, |
| 133 | uint8_t *d, const uint8_t *s, int width, int deststep) |
balrog | c3d2689 | 2007-07-29 17:57:26 +0000 | [diff] [blame] | 134 | { |
| 135 | uint16_t v; |
| 136 | uint8_t r, g, b; |
| 137 | |
| 138 | do { |
| 139 | v = lduw_raw((void *) s); |
| 140 | r = (v >> 4) & 0xf0; |
| 141 | g = v & 0xf0; |
| 142 | b = (v << 4) & 0xf0; |
| 143 | ((PIXEL_TYPE *) d)[0] = glue(rgb_to_pixel, DEPTH)(r, g, b); |
| 144 | s += 2; |
| 145 | d += BPP; |
| 146 | } while (-- width != 0); |
| 147 | } |
| 148 | |
ths | 5fafdf2 | 2007-09-16 21:08:06 +0000 | [diff] [blame] | 149 | /* |
balrog | c3d2689 | 2007-07-29 17:57:26 +0000 | [diff] [blame] | 150 | * 16-bit colour |
| 151 | */ |
pbrook | 714fa30 | 2009-04-01 12:27:59 +0000 | [diff] [blame] | 152 | static void glue(draw_line16_, DEPTH)(void *opaque, |
| 153 | uint8_t *d, const uint8_t *s, int width, int deststep) |
balrog | c3d2689 | 2007-07-29 17:57:26 +0000 | [diff] [blame] | 154 | { |
Juan Quintela | e2542fe | 2009-07-27 16:13:06 +0200 | [diff] [blame] | 155 | #if DEPTH == 16 && defined(HOST_WORDS_BIGENDIAN) == defined(TARGET_WORDS_BIGENDIAN) |
balrog | c3d2689 | 2007-07-29 17:57:26 +0000 | [diff] [blame] | 156 | memcpy(d, s, width * 2); |
| 157 | #else |
| 158 | uint16_t v; |
| 159 | uint8_t r, g, b; |
| 160 | |
| 161 | do { |
| 162 | v = lduw_raw((void *) s); |
| 163 | r = (v >> 8) & 0xf8; |
| 164 | g = (v >> 3) & 0xfc; |
| 165 | b = (v << 3) & 0xf8; |
| 166 | ((PIXEL_TYPE *) d)[0] = glue(rgb_to_pixel, DEPTH)(r, g, b); |
| 167 | s += 2; |
| 168 | d += BPP; |
| 169 | } while (-- width != 0); |
| 170 | #endif |
| 171 | } |
| 172 | |
| 173 | #undef DEPTH |
| 174 | #undef BPP |
| 175 | #undef PIXEL_TYPE |