xref: /openbmc/qemu/include/ui/qemu-pixman.h (revision 21f5826a)
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 #ifdef CONFIG_PRAGMA_DIAGNOSTIC_AVAILABLE
11 #pragma GCC diagnostic push
12 #pragma GCC diagnostic ignored "-Wredundant-decls"
13 #endif
14 #include <pixman.h>
15 #ifdef CONFIG_PRAGMA_DIAGNOSTIC_AVAILABLE
16 #pragma GCC diagnostic pop
17 #endif
18 
19 #include "qemu/typedefs.h"
20 
21 /*
22  * pixman image formats are defined to be native endian,
23  * that means host byte order on qemu.  So we go define
24  * fixed formats here for cases where it is needed, like
25  * feeding libjpeg / libpng and writing screenshots.
26  */
27 
28 #ifdef HOST_WORDS_BIGENDIAN
29 # define PIXMAN_BE_r8g8b8     PIXMAN_r8g8b8
30 #else
31 # define PIXMAN_BE_r8g8b8     PIXMAN_b8g8r8
32 #endif
33 
34 /* -------------------------------------------------------------------- */
35 
36 PixelFormat qemu_pixelformat_from_pixman(pixman_format_code_t format);
37 pixman_format_code_t qemu_default_pixman_format(int bpp, bool native_endian);
38 int qemu_pixman_get_type(int rshift, int gshift, int bshift);
39 pixman_format_code_t qemu_pixman_get_format(PixelFormat *pf);
40 bool qemu_pixman_check_format(DisplayChangeListener *dcl,
41                               pixman_format_code_t format);
42 
43 pixman_image_t *qemu_pixman_linebuf_create(pixman_format_code_t format,
44                                            int width);
45 void qemu_pixman_linebuf_fill(pixman_image_t *linebuf, pixman_image_t *fb,
46                               int width, int x, int y);
47 void qemu_pixman_linebuf_copy(pixman_image_t *fb, int width, int x, int y,
48                               pixman_image_t *linebuf);
49 pixman_image_t *qemu_pixman_mirror_create(pixman_format_code_t format,
50                                           pixman_image_t *image);
51 void qemu_pixman_image_unref(pixman_image_t *image);
52 
53 pixman_color_t qemu_pixman_color(PixelFormat *pf, uint32_t color);
54 pixman_image_t *qemu_pixman_glyph_from_vgafont(int height, const uint8_t *font,
55                                                unsigned int ch);
56 void qemu_pixman_glyph_render(pixman_image_t *glyph,
57                               pixman_image_t *surface,
58                               pixman_color_t *fgcol,
59                               pixman_color_t *bgcol,
60                               int x, int y, int cw, int ch);
61 
62 #endif /* QEMU_PIXMAN_H */
63