xref: /qemu/include/ui/qemu-pixman.h (revision 0a323e66b509bf2a018ea6c17e9d5fd0da804c44)
1daa8e5a0SGerd Hoffmann /*
2daa8e5a0SGerd Hoffmann  * This work is licensed under the terms of the GNU GPL, version 2 or later.
3daa8e5a0SGerd Hoffmann  * See the COPYING file in the top-level directory.
4daa8e5a0SGerd Hoffmann  */
5daa8e5a0SGerd Hoffmann 
6d2ec7e24SGerd Hoffmann #ifndef QEMU_PIXMAN_H
7d2ec7e24SGerd Hoffmann #define QEMU_PIXMAN_H
8d2ec7e24SGerd Hoffmann 
9092bb306SGerd Hoffmann /* pixman-0.16.0 headers have a redundant declaration */
10092bb306SGerd Hoffmann #ifdef CONFIG_PRAGMA_DIAGNOSTIC_AVAILABLE
11e6f53fd5SMarkus Armbruster #pragma GCC diagnostic push
12092bb306SGerd Hoffmann #pragma GCC diagnostic ignored "-Wredundant-decls"
13092bb306SGerd Hoffmann #endif
14d2ec7e24SGerd Hoffmann #include <pixman.h>
15092bb306SGerd Hoffmann #ifdef CONFIG_PRAGMA_DIAGNOSTIC_AVAILABLE
16e6f53fd5SMarkus Armbruster #pragma GCC diagnostic pop
17092bb306SGerd Hoffmann #endif
18d2ec7e24SGerd Hoffmann 
19d2ec7e24SGerd Hoffmann /*
20d2ec7e24SGerd Hoffmann  * pixman image formats are defined to be native endian,
21d2ec7e24SGerd Hoffmann  * that means host byte order on qemu.  So we go define
22d2ec7e24SGerd Hoffmann  * fixed formats here for cases where it is needed, like
23d2ec7e24SGerd Hoffmann  * feeding libjpeg / libpng and writing screenshots.
24d2ec7e24SGerd Hoffmann  */
25d2ec7e24SGerd Hoffmann 
26d2ec7e24SGerd Hoffmann #ifdef HOST_WORDS_BIGENDIAN
27d2ec7e24SGerd Hoffmann # define PIXMAN_BE_r8g8b8     PIXMAN_r8g8b8
2843db7c3dSGerd Hoffmann # define PIXMAN_BE_x8r8g8b8   PIXMAN_x8r8g8b8
2943db7c3dSGerd Hoffmann # define PIXMAN_BE_a8r8g8b8   PIXMAN_a8r8g8b8
3043db7c3dSGerd Hoffmann # define PIXMAN_BE_b8g8r8x8   PIXMAN_b8g8r8x8
3143db7c3dSGerd Hoffmann # define PIXMAN_BE_b8g8r8a8   PIXMAN_b8g8r8a8
3243db7c3dSGerd Hoffmann # define PIXMAN_BE_r8g8b8x8   PIXMAN_r8g8b8x8
3343db7c3dSGerd Hoffmann # define PIXMAN_BE_r8g8b8a8   PIXMAN_r8g8b8a8
3443db7c3dSGerd Hoffmann # define PIXMAN_BE_x8b8g8r8   PIXMAN_x8b8g8r8
3543db7c3dSGerd Hoffmann # define PIXMAN_BE_a8b8g8r8   PIXMAN_a8b8g8r8
36a5127bd7SGerd Hoffmann # define PIXMAN_LE_r8g8b8     PIXMAN_b8g8r8
37a5127bd7SGerd Hoffmann # define PIXMAN_LE_a8r8g8b8   PIXMAN_b8g8r8a8
38c1d37cd3SGerd Hoffmann # define PIXMAN_LE_x8r8g8b8   PIXMAN_b8g8r8x8
39d2ec7e24SGerd Hoffmann #else
40d2ec7e24SGerd Hoffmann # define PIXMAN_BE_r8g8b8     PIXMAN_b8g8r8
4143db7c3dSGerd Hoffmann # define PIXMAN_BE_x8r8g8b8   PIXMAN_b8g8r8x8
4243db7c3dSGerd Hoffmann # define PIXMAN_BE_a8r8g8b8   PIXMAN_b8g8r8a8
4343db7c3dSGerd Hoffmann # define PIXMAN_BE_b8g8r8x8   PIXMAN_x8r8g8b8
4443db7c3dSGerd Hoffmann # define PIXMAN_BE_b8g8r8a8   PIXMAN_a8r8g8b8
4543db7c3dSGerd Hoffmann # define PIXMAN_BE_r8g8b8x8   PIXMAN_x8b8g8r8
4643db7c3dSGerd Hoffmann # define PIXMAN_BE_r8g8b8a8   PIXMAN_a8b8g8r8
4743db7c3dSGerd Hoffmann # define PIXMAN_BE_x8b8g8r8   PIXMAN_r8g8b8x8
4843db7c3dSGerd Hoffmann # define PIXMAN_BE_a8b8g8r8   PIXMAN_r8g8b8a8
49a5127bd7SGerd Hoffmann # define PIXMAN_LE_r8g8b8     PIXMAN_r8g8b8
50a5127bd7SGerd Hoffmann # define PIXMAN_LE_a8r8g8b8   PIXMAN_a8r8g8b8
51c1d37cd3SGerd Hoffmann # define PIXMAN_LE_x8r8g8b8   PIXMAN_x8r8g8b8
52d2ec7e24SGerd Hoffmann #endif
53d2ec7e24SGerd Hoffmann 
54d2ec7e24SGerd Hoffmann /* -------------------------------------------------------------------- */
55d2ec7e24SGerd Hoffmann 
56*0a323e66SPhilippe Mathieu-Daudé typedef struct PixelFormat {
57*0a323e66SPhilippe Mathieu-Daudé     uint8_t bits_per_pixel;
58*0a323e66SPhilippe Mathieu-Daudé     uint8_t bytes_per_pixel;
59*0a323e66SPhilippe Mathieu-Daudé     uint8_t depth; /* color depth in bits */
60*0a323e66SPhilippe Mathieu-Daudé     uint32_t rmask, gmask, bmask, amask;
61*0a323e66SPhilippe Mathieu-Daudé     uint8_t rshift, gshift, bshift, ashift;
62*0a323e66SPhilippe Mathieu-Daudé     uint8_t rmax, gmax, bmax, amax;
63*0a323e66SPhilippe Mathieu-Daudé     uint8_t rbits, gbits, bbits, abits;
64*0a323e66SPhilippe Mathieu-Daudé } PixelFormat;
65*0a323e66SPhilippe Mathieu-Daudé 
66a93a3af9SGerd Hoffmann PixelFormat qemu_pixelformat_from_pixman(pixman_format_code_t format);
671527a25eSGerd Hoffmann pixman_format_code_t qemu_default_pixman_format(int bpp, bool native_endian);
68a5127bd7SGerd Hoffmann pixman_format_code_t qemu_drm_format_to_pixman(uint32_t drm_format);
69d2ec7e24SGerd Hoffmann int qemu_pixman_get_type(int rshift, int gshift, int bshift);
70d2ec7e24SGerd Hoffmann pixman_format_code_t qemu_pixman_get_format(PixelFormat *pf);
718cd996f4SGerd Hoffmann bool qemu_pixman_check_format(DisplayChangeListener *dcl,
728cd996f4SGerd Hoffmann                               pixman_format_code_t format);
73d2ec7e24SGerd Hoffmann 
74d2ec7e24SGerd Hoffmann pixman_image_t *qemu_pixman_linebuf_create(pixman_format_code_t format,
75d2ec7e24SGerd Hoffmann                                            int width);
76d2ec7e24SGerd Hoffmann void qemu_pixman_linebuf_fill(pixman_image_t *linebuf, pixman_image_t *fb,
77bc210eb1SGerd Hoffmann                               int width, int x, int y);
7843c7d8bdSGerd Hoffmann void qemu_pixman_linebuf_copy(pixman_image_t *fb, int width, int x, int y,
7943c7d8bdSGerd Hoffmann                               pixman_image_t *linebuf);
80d9a86569SGerd Hoffmann pixman_image_t *qemu_pixman_mirror_create(pixman_format_code_t format,
81d9a86569SGerd Hoffmann                                           pixman_image_t *image);
82d2ec7e24SGerd Hoffmann void qemu_pixman_image_unref(pixman_image_t *image);
83d2ec7e24SGerd Hoffmann 
84867c538fSGerd Hoffmann pixman_color_t qemu_pixman_color(PixelFormat *pf, uint32_t color);
85b7627952SGerd Hoffmann pixman_image_t *qemu_pixman_glyph_from_vgafont(int height, const uint8_t *font,
86b7627952SGerd Hoffmann                                                unsigned int ch);
87b7627952SGerd Hoffmann void qemu_pixman_glyph_render(pixman_image_t *glyph,
88b7627952SGerd Hoffmann                               pixman_image_t *surface,
89b7627952SGerd Hoffmann                               pixman_color_t *fgcol,
90b7627952SGerd Hoffmann                               pixman_color_t *bgcol,
91b7627952SGerd Hoffmann                               int x, int y, int cw, int ch);
92867c538fSGerd Hoffmann 
93d2ec7e24SGerd Hoffmann #endif /* QEMU_PIXMAN_H */
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