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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 PM |
7 | #include "qemu-common.h" |
8 | #include "ui/console.h" | |
a5127bd7 | 9 | #include "standard-headers/drm/drm_fourcc.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 GH |
92 | /* Note: drm is little endian, pixman is native endian */ |
93 | pixman_format_code_t qemu_drm_format_to_pixman(uint32_t drm_format) | |
94 | { | |
95 | static const struct { | |
96 | uint32_t drm_format; | |
97 | pixman_format_code_t pixman; | |
98 | } map[] = { | |
99 | { DRM_FORMAT_RGB888, PIXMAN_LE_r8g8b8 }, | |
100 | { DRM_FORMAT_ARGB8888, PIXMAN_LE_a8r8g8b8 }, | |
101 | { DRM_FORMAT_XRGB8888, PIXMAN_LE_x8r8g8b8 } | |
102 | }; | |
103 | int i; | |
104 | ||
105 | for (i = 0; i < ARRAY_SIZE(map); i++) { | |
106 | if (drm_format == map[i].drm_format) { | |
107 | return map[i].pixman; | |
108 | } | |
109 | } | |
110 | return 0; | |
111 | } | |
112 | ||
d2ec7e24 GH |
113 | int qemu_pixman_get_type(int rshift, int gshift, int bshift) |
114 | { | |
115 | int type = PIXMAN_TYPE_OTHER; | |
116 | ||
117 | if (rshift > gshift && gshift > bshift) { | |
118 | if (bshift == 0) { | |
119 | type = PIXMAN_TYPE_ARGB; | |
120 | } else { | |
d2ec7e24 | 121 | type = PIXMAN_TYPE_RGBA; |
d2ec7e24 GH |
122 | } |
123 | } else if (rshift < gshift && gshift < bshift) { | |
124 | if (rshift == 0) { | |
125 | type = PIXMAN_TYPE_ABGR; | |
126 | } else { | |
127 | type = PIXMAN_TYPE_BGRA; | |
128 | } | |
129 | } | |
130 | return type; | |
131 | } | |
132 | ||
133 | pixman_format_code_t qemu_pixman_get_format(PixelFormat *pf) | |
134 | { | |
135 | pixman_format_code_t format; | |
136 | int type; | |
137 | ||
138 | type = qemu_pixman_get_type(pf->rshift, pf->gshift, pf->bshift); | |
139 | format = PIXMAN_FORMAT(pf->bits_per_pixel, type, | |
140 | pf->abits, pf->rbits, pf->gbits, pf->bbits); | |
141 | if (!pixman_format_supported_source(format)) { | |
142 | return 0; | |
143 | } | |
144 | return format; | |
145 | } | |
146 | ||
8cd996f4 GH |
147 | /* |
148 | * Return true for known-good pixman conversions. | |
149 | * | |
150 | * UIs using pixman for format conversion can hook this into | |
151 | * DisplayChangeListenerOps->dpy_gfx_check_format | |
152 | */ | |
153 | bool qemu_pixman_check_format(DisplayChangeListener *dcl, | |
154 | pixman_format_code_t format) | |
155 | { | |
156 | switch (format) { | |
157 | /* 32 bpp */ | |
158 | case PIXMAN_x8r8g8b8: | |
159 | case PIXMAN_a8r8g8b8: | |
160 | case PIXMAN_b8g8r8x8: | |
161 | case PIXMAN_b8g8r8a8: | |
162 | /* 24 bpp */ | |
163 | case PIXMAN_r8g8b8: | |
164 | case PIXMAN_b8g8r8: | |
165 | /* 16 bpp */ | |
166 | case PIXMAN_x1r5g5b5: | |
167 | case PIXMAN_r5g6b5: | |
168 | return true; | |
169 | default: | |
170 | return false; | |
171 | } | |
172 | } | |
173 | ||
d2ec7e24 GH |
174 | pixman_image_t *qemu_pixman_linebuf_create(pixman_format_code_t format, |
175 | int width) | |
176 | { | |
177 | pixman_image_t *image = pixman_image_create_bits(format, width, 1, NULL, 0); | |
178 | assert(image != NULL); | |
179 | return image; | |
180 | } | |
181 | ||
43c7d8bd | 182 | /* fill linebuf from framebuffer */ |
d2ec7e24 | 183 | void qemu_pixman_linebuf_fill(pixman_image_t *linebuf, pixman_image_t *fb, |
bc210eb1 | 184 | int width, int x, int y) |
d2ec7e24 GH |
185 | { |
186 | pixman_image_composite(PIXMAN_OP_SRC, fb, NULL, linebuf, | |
bc210eb1 | 187 | x, y, 0, 0, 0, 0, width, 1); |
d2ec7e24 GH |
188 | } |
189 | ||
43c7d8bd GH |
190 | /* copy linebuf to framebuffer */ |
191 | void qemu_pixman_linebuf_copy(pixman_image_t *fb, int width, int x, int y, | |
192 | pixman_image_t *linebuf) | |
193 | { | |
194 | pixman_image_composite(PIXMAN_OP_SRC, linebuf, NULL, fb, | |
195 | 0, 0, 0, 0, x, y, width, 1); | |
196 | } | |
197 | ||
d9a86569 GH |
198 | pixman_image_t *qemu_pixman_mirror_create(pixman_format_code_t format, |
199 | pixman_image_t *image) | |
200 | { | |
9be38598 EH |
201 | return pixman_image_create_bits(format, |
202 | pixman_image_get_width(image), | |
203 | pixman_image_get_height(image), | |
204 | NULL, | |
205 | pixman_image_get_stride(image)); | |
d9a86569 GH |
206 | } |
207 | ||
d2ec7e24 GH |
208 | void qemu_pixman_image_unref(pixman_image_t *image) |
209 | { | |
210 | if (image == NULL) { | |
211 | return; | |
212 | } | |
213 | pixman_image_unref(image); | |
214 | } | |
867c538f GH |
215 | |
216 | pixman_color_t qemu_pixman_color(PixelFormat *pf, uint32_t color) | |
217 | { | |
218 | pixman_color_t c; | |
219 | ||
220 | c.red = ((color & pf->rmask) >> pf->rshift) << (16 - pf->rbits); | |
221 | c.green = ((color & pf->gmask) >> pf->gshift) << (16 - pf->gbits); | |
222 | c.blue = ((color & pf->bmask) >> pf->bshift) << (16 - pf->bbits); | |
223 | c.alpha = ((color & pf->amask) >> pf->ashift) << (16 - pf->abits); | |
224 | return c; | |
225 | } | |
b7627952 GH |
226 | |
227 | pixman_image_t *qemu_pixman_glyph_from_vgafont(int height, const uint8_t *font, | |
228 | unsigned int ch) | |
229 | { | |
230 | pixman_image_t *glyph; | |
231 | uint8_t *data; | |
232 | bool bit; | |
233 | int x, y; | |
234 | ||
235 | glyph = pixman_image_create_bits(PIXMAN_a8, 8, height, | |
236 | NULL, 0); | |
237 | data = (uint8_t *)pixman_image_get_data(glyph); | |
238 | ||
239 | font += height * ch; | |
240 | for (y = 0; y < height; y++, font++) { | |
241 | for (x = 0; x < 8; x++, data++) { | |
242 | bit = (*font) & (1 << (7-x)); | |
243 | *data = bit ? 0xff : 0x00; | |
244 | } | |
245 | } | |
246 | return glyph; | |
247 | } | |
248 | ||
249 | void qemu_pixman_glyph_render(pixman_image_t *glyph, | |
250 | pixman_image_t *surface, | |
251 | pixman_color_t *fgcol, | |
252 | pixman_color_t *bgcol, | |
253 | int x, int y, int cw, int ch) | |
254 | { | |
255 | pixman_image_t *ifg = pixman_image_create_solid_fill(fgcol); | |
256 | pixman_image_t *ibg = pixman_image_create_solid_fill(bgcol); | |
257 | ||
258 | pixman_image_composite(PIXMAN_OP_SRC, ibg, NULL, surface, | |
259 | 0, 0, 0, 0, | |
260 | cw * x, ch * y, | |
261 | cw, ch); | |
262 | pixman_image_composite(PIXMAN_OP_OVER, ifg, glyph, surface, | |
263 | 0, 0, 0, 0, | |
264 | cw * x, ch * y, | |
265 | cw, ch); | |
266 | pixman_image_unref(ifg); | |
267 | pixman_image_unref(ibg); | |
268 | } |