Merge branch 'upstream-merge'
[qemu-kvm/markmc.git] / hw / sm501_template.h
blob1679df7bfe718932d45936f26f2c06a84e0aa05c
1 /*
2 * Pixel drawing function templates for QEMU SM501 Device
4 * Copyright (c) 2008 Shin-ichiro KAWASAKI
6 * Permission is hereby granted, free of charge, to any person obtaining a copy
7 * of this software and associated documentation files (the "Software"), to deal
8 * in the Software without restriction, including without limitation the rights
9 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
10 * copies of the Software, and to permit persons to whom the Software is
11 * furnished to do so, subject to the following conditions:
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
22 * THE SOFTWARE.
25 #if DEPTH == 8
26 #define BPP 1
27 #define PIXEL_TYPE uint8_t
28 #elif DEPTH == 15 || DEPTH == 16
29 #define BPP 2
30 #define PIXEL_TYPE uint16_t
31 #elif DEPTH == 32
32 #define BPP 4
33 #define PIXEL_TYPE uint32_t
34 #else
35 #error unsupport depth
36 #endif
38 #ifdef BGR_FORMAT
39 #define PIXEL_NAME glue(DEPTH, bgr)
40 #else
41 #define PIXEL_NAME DEPTH
42 #endif /* BGR_FORMAT */
45 static void glue(draw_line8_, PIXEL_NAME)(
46 uint8_t *d, const uint8_t *s, int width, const uint32_t *pal)
48 uint8_t v, r, g, b;
49 do {
50 v = ldub_raw(s);
51 r = (pal[v] >> 16) & 0xff;
52 g = (pal[v] >> 8) & 0xff;
53 b = (pal[v] >> 0) & 0xff;
54 ((PIXEL_TYPE *) d)[0] = glue(rgb_to_pixel, PIXEL_NAME)(r, g, b);
55 s ++;
56 d += BPP;
57 } while (-- width != 0);
60 static void glue(draw_line16_, PIXEL_NAME)(
61 uint8_t *d, const uint8_t *s, int width, const uint32_t *pal)
63 uint16_t rgb565;
64 uint8_t r, g, b;
66 do {
67 rgb565 = lduw_raw(s);
68 r = ((rgb565 >> 11) & 0x1f) << 3;
69 g = ((rgb565 >> 5) & 0x3f) << 2;
70 b = ((rgb565 >> 0) & 0x1f) << 3;
71 ((PIXEL_TYPE *) d)[0] = glue(rgb_to_pixel, PIXEL_NAME)(r, g, b);
72 s += 2;
73 d += BPP;
74 } while (-- width != 0);
77 static void glue(draw_line32_, PIXEL_NAME)(
78 uint8_t *d, const uint8_t *s, int width, const uint32_t *pal)
80 uint8_t r, g, b;
82 do {
83 ldub_raw(s);
84 #if defined(TARGET_WORDS_BIGENDIAN)
85 r = s[1];
86 g = s[2];
87 b = s[3];
88 #else
89 b = s[0];
90 g = s[1];
91 r = s[2];
92 #endif
93 ((PIXEL_TYPE *) d)[0] = glue(rgb_to_pixel, PIXEL_NAME)(r, g, b);
94 s += 4;
95 d += BPP;
96 } while (-- width != 0);
99 #undef DEPTH
100 #undef BPP
101 #undef PIXEL_TYPE
102 #undef PIXEL_NAME
103 #undef BGR_FORMAT