@samitouri / QOSamiQemu
Code Commits Issues Pulls Sessions CI/CD
master
master
h 135 lines 4.76 KB
Raw
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 #ifdef CONFIG_PIXMAN
10 #include <pixman.h>
11 #include "qemu-pixman-helpers.h"
12 #else
13 #include "pixman-minimal.h"
14 #endif
15
16 #include "qapi/error.h"
17
18 /*
19 * pixman image formats are defined to be native endian,
20 * that means host byte order on qemu. So we go define
21 * fixed formats here for cases where it is needed, like
22 * feeding libjpeg / libpng and writing screenshots.
23 */
24
25 #if HOST_BIG_ENDIAN
26 # define PIXMAN_BE_r8g8b8 PIXMAN_r8g8b8
27 # define PIXMAN_BE_x8r8g8b8 PIXMAN_x8r8g8b8
28 # define PIXMAN_BE_a8r8g8b8 PIXMAN_a8r8g8b8
29 # define PIXMAN_BE_b8g8r8x8 PIXMAN_b8g8r8x8
30 # define PIXMAN_BE_b8g8r8a8 PIXMAN_b8g8r8a8
31 # define PIXMAN_BE_r8g8b8x8 PIXMAN_r8g8b8x8
32 # define PIXMAN_BE_r8g8b8a8 PIXMAN_r8g8b8a8
33 # define PIXMAN_BE_x8b8g8r8 PIXMAN_x8b8g8r8
34 # define PIXMAN_BE_a8b8g8r8 PIXMAN_a8b8g8r8
35 # define PIXMAN_LE_r8g8b8 PIXMAN_b8g8r8
36 # define PIXMAN_LE_a8r8g8b8 PIXMAN_b8g8r8a8
37 # define PIXMAN_LE_x8r8g8b8 PIXMAN_b8g8r8x8
38 # define PIXMAN_LE_a8b8g8r8 PIXMAN_r8g8b8a8
39 # define PIXMAN_LE_x8b8g8r8 PIXMAN_r8g8b8x8
40 #else
41 # define PIXMAN_BE_r8g8b8 PIXMAN_b8g8r8
42 # define PIXMAN_BE_x8r8g8b8 PIXMAN_b8g8r8x8
43 # define PIXMAN_BE_a8r8g8b8 PIXMAN_b8g8r8a8
44 # define PIXMAN_BE_b8g8r8x8 PIXMAN_x8r8g8b8
45 # define PIXMAN_BE_b8g8r8a8 PIXMAN_a8r8g8b8
46 # define PIXMAN_BE_r8g8b8x8 PIXMAN_x8b8g8r8
47 # define PIXMAN_BE_r8g8b8a8 PIXMAN_a8b8g8r8
48 # define PIXMAN_BE_x8b8g8r8 PIXMAN_r8g8b8x8
49 # define PIXMAN_BE_a8b8g8r8 PIXMAN_r8g8b8a8
50 # define PIXMAN_LE_r8g8b8 PIXMAN_r8g8b8
51 # define PIXMAN_LE_a8r8g8b8 PIXMAN_a8r8g8b8
52 # define PIXMAN_LE_x8r8g8b8 PIXMAN_x8r8g8b8
53 # define PIXMAN_LE_a8b8g8r8 PIXMAN_a8b8g8r8
54 # define PIXMAN_LE_x8b8g8r8 PIXMAN_x8b8g8r8
55 #endif
56
57 #define QEMU_PIXMAN_COLOR(r, g, b) \
58 { .red = r << 8, .green = g << 8, .blue = b << 8, .alpha = 0xffff }
59
60 #define QEMU_PIXMAN_COLOR_BLACK QEMU_PIXMAN_COLOR(0x00, 0x00, 0x00)
61 #define QEMU_PIXMAN_COLOR_GRAY QEMU_PIXMAN_COLOR(0xaa, 0xaa, 0xaa)
62
63 /* -------------------------------------------------------------------- */
64
65 typedef struct PixelFormat {
66 uint8_t bits_per_pixel;
67 uint8_t bytes_per_pixel;
68 uint8_t depth; /* color depth in bits */
69 uint32_t rmask, gmask, bmask, amask;
70 uint8_t rshift, gshift, bshift, ashift;
71 uint8_t rmax, gmax, bmax, amax;
72 uint8_t rbits, gbits, bbits, abits;
73 } PixelFormat;
74
75 PixelFormat qemu_pixelformat_from_pixman(pixman_format_code_t format);
76 pixman_format_code_t qemu_default_pixman_format(int bpp, bool native_endian);
77
78 static inline PixelFormat qemu_default_pixelformat(int bpp)
79 {
80 pixman_format_code_t fmt = qemu_default_pixman_format(bpp, true);
81 PixelFormat pf = qemu_pixelformat_from_pixman(fmt);
82 return pf;
83 }
84
85 pixman_format_code_t qemu_drm_format_to_pixman(uint32_t drm_format);
86 uint32_t qemu_pixman_to_drm_format(pixman_format_code_t pixman);
87 int qemu_pixman_get_type(int rshift, int gshift, int bshift, int endian);
88 bool qemu_pixman_check_format(DisplayChangeListener *dcl,
89 pixman_format_code_t format);
90
91 #ifdef CONFIG_PIXMAN
92 pixman_format_code_t qemu_pixman_get_format(PixelFormat *pf, int endian);
93 pixman_image_t *qemu_pixman_linebuf_create(pixman_format_code_t format,
94 int width);
95 void qemu_pixman_linebuf_fill(pixman_image_t *linebuf, pixman_image_t *fb,
96 int width, int x, int y);
97 pixman_image_t *qemu_pixman_mirror_create(pixman_format_code_t format,
98 pixman_image_t *image);
99
100 pixman_image_t *qemu_pixman_glyph_from_vgafont(int height, const uint8_t *font,
101 unsigned int ch);
102 void qemu_pixman_glyph_render(pixman_image_t *glyph,
103 pixman_image_t *surface,
104 pixman_color_t *fgcol,
105 pixman_color_t *bgcol,
106 int x, int y, int cw, int ch);
107 #endif
108
109 void qemu_pixman_image_unref(pixman_image_t *image);
110
111 #ifdef WIN32
112 typedef HANDLE qemu_pixman_shareable;
113 #define SHAREABLE_NONE (NULL)
114 #define SHAREABLE_TO_PTR(handle) (handle)
115 #define PTR_TO_SHAREABLE(ptr) (ptr)
116 #else
117 typedef int qemu_pixman_shareable;
118 #define SHAREABLE_NONE (-1)
119 #define SHAREABLE_TO_PTR(handle) GINT_TO_POINTER(handle)
120 #define PTR_TO_SHAREABLE(ptr) GPOINTER_TO_INT(ptr)
121 #endif
122
123 bool qemu_pixman_image_new_shareable(
124 pixman_image_t **image,
125 qemu_pixman_shareable *handle,
126 const char *name,
127 pixman_format_code_t format,
128 int width,
129 int height,
130 int rowstride_bytes,
131 Error **errp);
132
133 G_DEFINE_AUTOPTR_CLEANUP_FUNC(pixman_image_t, qemu_pixman_image_unref)
134
135 #endif /* QEMU_PIXMAN_H */