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Commit | Line | Data |
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daa8e5a0 GH |
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 | ||
e16f4c87 | 6 | #include "qemu/osdep.h" |
0b087861 | 7 | #include "ui/console.h" |
a5127bd7 | 8 | #include "standard-headers/drm/drm_fourcc.h" |
09b4c198 | 9 | #include "trace.h" |
d2ec7e24 | 10 | |
a93a3af9 GH |
11 | PixelFormat qemu_pixelformat_from_pixman(pixman_format_code_t format) |
12 | { | |
13 | PixelFormat pf; | |
14 | uint8_t bpp; | |
15 | ||
16 | bpp = pf.bits_per_pixel = PIXMAN_FORMAT_BPP(format); | |
17 | pf.bytes_per_pixel = PIXMAN_FORMAT_BPP(format) / 8; | |
18 | pf.depth = PIXMAN_FORMAT_DEPTH(format); | |
19 | ||
20 | pf.abits = PIXMAN_FORMAT_A(format); | |
21 | pf.rbits = PIXMAN_FORMAT_R(format); | |
22 | pf.gbits = PIXMAN_FORMAT_G(format); | |
23 | pf.bbits = PIXMAN_FORMAT_B(format); | |
24 | ||
25 | switch (PIXMAN_FORMAT_TYPE(format)) { | |
26 | case PIXMAN_TYPE_ARGB: | |
27 | pf.ashift = pf.bbits + pf.gbits + pf.rbits; | |
28 | pf.rshift = pf.bbits + pf.gbits; | |
29 | pf.gshift = pf.bbits; | |
30 | pf.bshift = 0; | |
31 | break; | |
32 | case PIXMAN_TYPE_ABGR: | |
33 | pf.ashift = pf.rbits + pf.gbits + pf.bbits; | |
34 | pf.bshift = pf.rbits + pf.gbits; | |
35 | pf.gshift = pf.rbits; | |
36 | pf.rshift = 0; | |
37 | break; | |
38 | case PIXMAN_TYPE_BGRA: | |
7d37435b | 39 | pf.bshift = bpp - pf.bbits; |
a93a3af9 GH |
40 | pf.gshift = bpp - (pf.bbits + pf.gbits); |
41 | pf.rshift = bpp - (pf.bbits + pf.gbits + pf.rbits); | |
42 | pf.ashift = 0; | |
43 | break; | |
44 | case PIXMAN_TYPE_RGBA: | |
45 | pf.rshift = bpp - pf.rbits; | |
46 | pf.gshift = bpp - (pf.rbits + pf.gbits); | |
47 | pf.bshift = bpp - (pf.rbits + pf.gbits + pf.bbits); | |
48 | pf.ashift = 0; | |
49 | break; | |
50 | default: | |
51 | g_assert_not_reached(); | |
52 | break; | |
53 | } | |
54 | ||
55 | pf.amax = (1 << pf.abits) - 1; | |
56 | pf.rmax = (1 << pf.rbits) - 1; | |
57 | pf.gmax = (1 << pf.gbits) - 1; | |
58 | pf.bmax = (1 << pf.bbits) - 1; | |
59 | pf.amask = pf.amax << pf.ashift; | |
60 | pf.rmask = pf.rmax << pf.rshift; | |
61 | pf.gmask = pf.gmax << pf.gshift; | |
62 | pf.bmask = pf.bmax << pf.bshift; | |
63 | ||
64 | return pf; | |
65 | } | |
66 | ||
1527a25e GH |
67 | pixman_format_code_t qemu_default_pixman_format(int bpp, bool native_endian) |
68 | { | |
69 | if (native_endian) { | |
70 | switch (bpp) { | |
71 | case 15: | |
72 | return PIXMAN_x1r5g5b5; | |
73 | case 16: | |
74 | return PIXMAN_r5g6b5; | |
75 | case 24: | |
76 | return PIXMAN_r8g8b8; | |
77 | case 32: | |
78 | return PIXMAN_x8r8g8b8; | |
79 | } | |
80 | } else { | |
81 | switch (bpp) { | |
82 | case 24: | |
83 | return PIXMAN_b8g8r8; | |
84 | case 32: | |
89ec031b | 85 | return PIXMAN_b8g8r8x8; |
1527a25e GH |
86 | break; |
87 | } | |
88 | } | |
aca7aaf6 | 89 | return 0; |
1527a25e GH |
90 | } |
91 | ||
a5127bd7 | 92 | /* Note: drm is little endian, pixman is native endian */ |
8069b73b VK |
93 | static const struct { |
94 | uint32_t drm_format; | |
95 | pixman_format_code_t pixman_format; | |
96 | } drm_format_pixman_map[] = { | |
97 | { DRM_FORMAT_RGB888, PIXMAN_LE_r8g8b8 }, | |
98 | { DRM_FORMAT_ARGB8888, PIXMAN_LE_a8r8g8b8 }, | |
7db57a73 KX |
99 | { DRM_FORMAT_XRGB8888, PIXMAN_LE_x8r8g8b8 }, |
100 | { DRM_FORMAT_XBGR8888, PIXMAN_LE_x8b8g8r8 }, | |
101 | { DRM_FORMAT_ABGR8888, PIXMAN_LE_a8b8g8r8 }, | |
8069b73b VK |
102 | }; |
103 | ||
a5127bd7 GH |
104 | pixman_format_code_t qemu_drm_format_to_pixman(uint32_t drm_format) |
105 | { | |
a5127bd7 GH |
106 | int i; |
107 | ||
8069b73b VK |
108 | for (i = 0; i < ARRAY_SIZE(drm_format_pixman_map); i++) { |
109 | if (drm_format == drm_format_pixman_map[i].drm_format) { | |
110 | return drm_format_pixman_map[i].pixman_format; | |
111 | } | |
112 | } | |
113 | return 0; | |
114 | } | |
115 | ||
116 | uint32_t qemu_pixman_to_drm_format(pixman_format_code_t pixman_format) | |
117 | { | |
118 | int i; | |
119 | ||
120 | for (i = 0; i < ARRAY_SIZE(drm_format_pixman_map); i++) { | |
121 | if (pixman_format == drm_format_pixman_map[i].pixman_format) { | |
122 | return drm_format_pixman_map[i].drm_format; | |
a5127bd7 GH |
123 | } |
124 | } | |
125 | return 0; | |
126 | } | |
127 | ||
d2ec7e24 GH |
128 | int qemu_pixman_get_type(int rshift, int gshift, int bshift) |
129 | { | |
130 | int type = PIXMAN_TYPE_OTHER; | |
131 | ||
132 | if (rshift > gshift && gshift > bshift) { | |
133 | if (bshift == 0) { | |
134 | type = PIXMAN_TYPE_ARGB; | |
135 | } else { | |
d2ec7e24 | 136 | type = PIXMAN_TYPE_RGBA; |
d2ec7e24 GH |
137 | } |
138 | } else if (rshift < gshift && gshift < bshift) { | |
139 | if (rshift == 0) { | |
140 | type = PIXMAN_TYPE_ABGR; | |
141 | } else { | |
142 | type = PIXMAN_TYPE_BGRA; | |
143 | } | |
144 | } | |
145 | return type; | |
146 | } | |
147 | ||
b3ec48cf | 148 | #ifdef CONFIG_PIXMAN |
d2ec7e24 GH |
149 | pixman_format_code_t qemu_pixman_get_format(PixelFormat *pf) |
150 | { | |
151 | pixman_format_code_t format; | |
152 | int type; | |
153 | ||
154 | type = qemu_pixman_get_type(pf->rshift, pf->gshift, pf->bshift); | |
155 | format = PIXMAN_FORMAT(pf->bits_per_pixel, type, | |
156 | pf->abits, pf->rbits, pf->gbits, pf->bbits); | |
157 | if (!pixman_format_supported_source(format)) { | |
158 | return 0; | |
159 | } | |
160 | return format; | |
161 | } | |
b3ec48cf | 162 | #endif |
d2ec7e24 | 163 | |
8cd996f4 GH |
164 | /* |
165 | * Return true for known-good pixman conversions. | |
166 | * | |
167 | * UIs using pixman for format conversion can hook this into | |
168 | * DisplayChangeListenerOps->dpy_gfx_check_format | |
169 | */ | |
170 | bool qemu_pixman_check_format(DisplayChangeListener *dcl, | |
171 | pixman_format_code_t format) | |
172 | { | |
173 | switch (format) { | |
174 | /* 32 bpp */ | |
175 | case PIXMAN_x8r8g8b8: | |
176 | case PIXMAN_a8r8g8b8: | |
177 | case PIXMAN_b8g8r8x8: | |
178 | case PIXMAN_b8g8r8a8: | |
179 | /* 24 bpp */ | |
180 | case PIXMAN_r8g8b8: | |
181 | case PIXMAN_b8g8r8: | |
182 | /* 16 bpp */ | |
183 | case PIXMAN_x1r5g5b5: | |
184 | case PIXMAN_r5g6b5: | |
185 | return true; | |
186 | default: | |
187 | return false; | |
188 | } | |
189 | } | |
190 | ||
b3ec48cf | 191 | #ifdef CONFIG_PIXMAN |
d2ec7e24 GH |
192 | pixman_image_t *qemu_pixman_linebuf_create(pixman_format_code_t format, |
193 | int width) | |
194 | { | |
195 | pixman_image_t *image = pixman_image_create_bits(format, width, 1, NULL, 0); | |
196 | assert(image != NULL); | |
197 | return image; | |
198 | } | |
199 | ||
43c7d8bd | 200 | /* fill linebuf from framebuffer */ |
d2ec7e24 | 201 | void qemu_pixman_linebuf_fill(pixman_image_t *linebuf, pixman_image_t *fb, |
bc210eb1 | 202 | int width, int x, int y) |
d2ec7e24 GH |
203 | { |
204 | pixman_image_composite(PIXMAN_OP_SRC, fb, NULL, linebuf, | |
bc210eb1 | 205 | x, y, 0, 0, 0, 0, width, 1); |
d2ec7e24 GH |
206 | } |
207 | ||
d9a86569 GH |
208 | pixman_image_t *qemu_pixman_mirror_create(pixman_format_code_t format, |
209 | pixman_image_t *image) | |
210 | { | |
9be38598 EH |
211 | return pixman_image_create_bits(format, |
212 | pixman_image_get_width(image), | |
213 | pixman_image_get_height(image), | |
214 | NULL, | |
215 | pixman_image_get_stride(image)); | |
d9a86569 | 216 | } |
b3ec48cf | 217 | #endif |
d9a86569 | 218 | |
d2ec7e24 GH |
219 | void qemu_pixman_image_unref(pixman_image_t *image) |
220 | { | |
221 | if (image == NULL) { | |
222 | return; | |
223 | } | |
224 | pixman_image_unref(image); | |
225 | } | |
867c538f | 226 | |
b3ec48cf | 227 | #ifdef CONFIG_PIXMAN |
b7627952 GH |
228 | pixman_image_t *qemu_pixman_glyph_from_vgafont(int height, const uint8_t *font, |
229 | unsigned int ch) | |
230 | { | |
231 | pixman_image_t *glyph; | |
232 | uint8_t *data; | |
233 | bool bit; | |
234 | int x, y; | |
235 | ||
236 | glyph = pixman_image_create_bits(PIXMAN_a8, 8, height, | |
237 | NULL, 0); | |
238 | data = (uint8_t *)pixman_image_get_data(glyph); | |
239 | ||
240 | font += height * ch; | |
241 | for (y = 0; y < height; y++, font++) { | |
242 | for (x = 0; x < 8; x++, data++) { | |
243 | bit = (*font) & (1 << (7-x)); | |
244 | *data = bit ? 0xff : 0x00; | |
245 | } | |
246 | } | |
247 | return glyph; | |
248 | } | |
249 | ||
250 | void qemu_pixman_glyph_render(pixman_image_t *glyph, | |
251 | pixman_image_t *surface, | |
252 | pixman_color_t *fgcol, | |
253 | pixman_color_t *bgcol, | |
254 | int x, int y, int cw, int ch) | |
255 | { | |
256 | pixman_image_t *ifg = pixman_image_create_solid_fill(fgcol); | |
257 | pixman_image_t *ibg = pixman_image_create_solid_fill(bgcol); | |
258 | ||
259 | pixman_image_composite(PIXMAN_OP_SRC, ibg, NULL, surface, | |
260 | 0, 0, 0, 0, | |
261 | cw * x, ch * y, | |
262 | cw, ch); | |
263 | pixman_image_composite(PIXMAN_OP_OVER, ifg, glyph, surface, | |
264 | 0, 0, 0, 0, | |
265 | cw * x, ch * y, | |
266 | cw, ch); | |
267 | pixman_image_unref(ifg); | |
268 | pixman_image_unref(ibg); | |
269 | } | |
b3ec48cf | 270 | #endif /* CONFIG_PIXMAN */ |