Merge remote-tracking branch 'remotes/armbru/tags/pull-qapi-2021-10-27' into staging
[qemu.git] / include / ui / qemu-pixman.h
1 /*
2 * This work is licensed under the terms of the GNU GPL, version 2 or later.
3 * See the COPYING file in the top-level directory.
4 */
5
6 #ifndef QEMU_PIXMAN_H
7 #define QEMU_PIXMAN_H
8
9 /* pixman-0.16.0 headers have a redundant declaration */
10 #pragma GCC diagnostic push
11 #pragma GCC diagnostic ignored "-Wredundant-decls"
12 #include <pixman.h>
13 #pragma GCC diagnostic pop
14
15 /*
16 * pixman image formats are defined to be native endian,
17 * that means host byte order on qemu. So we go define
18 * fixed formats here for cases where it is needed, like
19 * feeding libjpeg / libpng and writing screenshots.
20 */
21
22 #ifdef HOST_WORDS_BIGENDIAN
23 # define PIXMAN_BE_r8g8b8 PIXMAN_r8g8b8
24 # define PIXMAN_BE_x8r8g8b8 PIXMAN_x8r8g8b8
25 # define PIXMAN_BE_a8r8g8b8 PIXMAN_a8r8g8b8
26 # define PIXMAN_BE_b8g8r8x8 PIXMAN_b8g8r8x8
27 # define PIXMAN_BE_b8g8r8a8 PIXMAN_b8g8r8a8
28 # define PIXMAN_BE_r8g8b8x8 PIXMAN_r8g8b8x8
29 # define PIXMAN_BE_r8g8b8a8 PIXMAN_r8g8b8a8
30 # define PIXMAN_BE_x8b8g8r8 PIXMAN_x8b8g8r8
31 # define PIXMAN_BE_a8b8g8r8 PIXMAN_a8b8g8r8
32 # define PIXMAN_LE_r8g8b8 PIXMAN_b8g8r8
33 # define PIXMAN_LE_a8r8g8b8 PIXMAN_b8g8r8a8
34 # define PIXMAN_LE_x8r8g8b8 PIXMAN_b8g8r8x8
35 #else
36 # define PIXMAN_BE_r8g8b8 PIXMAN_b8g8r8
37 # define PIXMAN_BE_x8r8g8b8 PIXMAN_b8g8r8x8
38 # define PIXMAN_BE_a8r8g8b8 PIXMAN_b8g8r8a8
39 # define PIXMAN_BE_b8g8r8x8 PIXMAN_x8r8g8b8
40 # define PIXMAN_BE_b8g8r8a8 PIXMAN_a8r8g8b8
41 # define PIXMAN_BE_r8g8b8x8 PIXMAN_x8b8g8r8
42 # define PIXMAN_BE_r8g8b8a8 PIXMAN_a8b8g8r8
43 # define PIXMAN_BE_x8b8g8r8 PIXMAN_r8g8b8x8
44 # define PIXMAN_BE_a8b8g8r8 PIXMAN_r8g8b8a8
45 # define PIXMAN_LE_r8g8b8 PIXMAN_r8g8b8
46 # define PIXMAN_LE_a8r8g8b8 PIXMAN_a8r8g8b8
47 # define PIXMAN_LE_x8r8g8b8 PIXMAN_x8r8g8b8
48 #endif
49
50 /* -------------------------------------------------------------------- */
51
52 typedef struct PixelFormat {
53 uint8_t bits_per_pixel;
54 uint8_t bytes_per_pixel;
55 uint8_t depth; /* color depth in bits */
56 uint32_t rmask, gmask, bmask, amask;
57 uint8_t rshift, gshift, bshift, ashift;
58 uint8_t rmax, gmax, bmax, amax;
59 uint8_t rbits, gbits, bbits, abits;
60 } PixelFormat;
61
62 PixelFormat qemu_pixelformat_from_pixman(pixman_format_code_t format);
63 pixman_format_code_t qemu_default_pixman_format(int bpp, bool native_endian);
64 pixman_format_code_t qemu_drm_format_to_pixman(uint32_t drm_format);
65 uint32_t qemu_pixman_to_drm_format(pixman_format_code_t pixman);
66 int qemu_pixman_get_type(int rshift, int gshift, int bshift);
67 pixman_format_code_t qemu_pixman_get_format(PixelFormat *pf);
68 bool qemu_pixman_check_format(DisplayChangeListener *dcl,
69 pixman_format_code_t format);
70
71 pixman_image_t *qemu_pixman_linebuf_create(pixman_format_code_t format,
72 int width);
73 void qemu_pixman_linebuf_fill(pixman_image_t *linebuf, pixman_image_t *fb,
74 int width, int x, int y);
75 void qemu_pixman_linebuf_copy(pixman_image_t *fb, int width, int x, int y,
76 pixman_image_t *linebuf);
77 pixman_image_t *qemu_pixman_mirror_create(pixman_format_code_t format,
78 pixman_image_t *image);
79 void qemu_pixman_image_unref(pixman_image_t *image);
80
81 pixman_color_t qemu_pixman_color(PixelFormat *pf, uint32_t color);
82 pixman_image_t *qemu_pixman_glyph_from_vgafont(int height, const uint8_t *font,
83 unsigned int ch);
84 void qemu_pixman_glyph_render(pixman_image_t *glyph,
85 pixman_image_t *surface,
86 pixman_color_t *fgcol,
87 pixman_color_t *bgcol,
88 int x, int y, int cw, int ch);
89
90 G_DEFINE_AUTOPTR_CLEANUP_FUNC(pixman_image_t, qemu_pixman_image_unref)
91
92 #endif /* QEMU_PIXMAN_H */