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.
6 #include "qemu/osdep.h"
7 #include "ui/console.h"
8 #include "standard-headers/drm/drm_fourcc.h"
10 PixelFormat qemu_pixelformat_from_pixman(pixman_format_code_t format)
15 bpp = pf.bits_per_pixel = PIXMAN_FORMAT_BPP(format);
16 pf.bytes_per_pixel = PIXMAN_FORMAT_BPP(format) / 8;
17 pf.depth = PIXMAN_FORMAT_DEPTH(format);
19 pf.abits = PIXMAN_FORMAT_A(format);
20 pf.rbits = PIXMAN_FORMAT_R(format);
21 pf.gbits = PIXMAN_FORMAT_G(format);
22 pf.bbits = PIXMAN_FORMAT_B(format);
24 switch (PIXMAN_FORMAT_TYPE(format)) {
25 case PIXMAN_TYPE_ARGB:
26 pf.ashift = pf.bbits + pf.gbits + pf.rbits;
27 pf.rshift = pf.bbits + pf.gbits;
31 case PIXMAN_TYPE_ABGR:
32 pf.ashift = pf.rbits + pf.gbits + pf.bbits;
33 pf.bshift = pf.rbits + pf.gbits;
37 case PIXMAN_TYPE_BGRA:
38 pf.bshift = bpp - pf.bbits;
39 pf.gshift = bpp - (pf.bbits + pf.gbits);
40 pf.rshift = bpp - (pf.bbits + pf.gbits + pf.rbits);
43 case PIXMAN_TYPE_RGBA:
44 pf.rshift = bpp - pf.rbits;
45 pf.gshift = bpp - (pf.rbits + pf.gbits);
46 pf.bshift = bpp - (pf.rbits + pf.gbits + pf.bbits);
50 g_assert_not_reached();
54 pf.amax = (1 << pf.abits) - 1;
55 pf.rmax = (1 << pf.rbits) - 1;
56 pf.gmax = (1 << pf.gbits) - 1;
57 pf.bmax = (1 << pf.bbits) - 1;
58 pf.amask = pf.amax << pf.ashift;
59 pf.rmask = pf.rmax << pf.rshift;
60 pf.gmask = pf.gmax << pf.gshift;
61 pf.bmask = pf.bmax << pf.bshift;
66 pixman_format_code_t qemu_default_pixman_format(int bpp, bool native_endian)
71 return PIXMAN_x1r5g5b5;
77 return PIXMAN_x8r8g8b8;
84 return PIXMAN_b8g8r8x8;
91 /* Note: drm is little endian, pixman is native endian */
94 pixman_format_code_t pixman_format;
95 } drm_format_pixman_map[] = {
96 { DRM_FORMAT_RGB888, PIXMAN_LE_r8g8b8 },
97 { DRM_FORMAT_ARGB8888, PIXMAN_LE_a8r8g8b8 },
98 { DRM_FORMAT_XRGB8888, PIXMAN_LE_x8r8g8b8 }
101 pixman_format_code_t qemu_drm_format_to_pixman(uint32_t drm_format)
105 for (i = 0; i < ARRAY_SIZE(drm_format_pixman_map); i++) {
106 if (drm_format == drm_format_pixman_map[i].drm_format) {
107 return drm_format_pixman_map[i].pixman_format;
113 uint32_t qemu_pixman_to_drm_format(pixman_format_code_t pixman_format)
117 for (i = 0; i < ARRAY_SIZE(drm_format_pixman_map); i++) {
118 if (pixman_format == drm_format_pixman_map[i].pixman_format) {
119 return drm_format_pixman_map[i].drm_format;
125 int qemu_pixman_get_type(int rshift, int gshift, int bshift)
127 int type = PIXMAN_TYPE_OTHER;
129 if (rshift > gshift && gshift > bshift) {
131 type = PIXMAN_TYPE_ARGB;
133 type = PIXMAN_TYPE_RGBA;
135 } else if (rshift < gshift && gshift < bshift) {
137 type = PIXMAN_TYPE_ABGR;
139 type = PIXMAN_TYPE_BGRA;
145 pixman_format_code_t qemu_pixman_get_format(PixelFormat *pf)
147 pixman_format_code_t format;
150 type = qemu_pixman_get_type(pf->rshift, pf->gshift, pf->bshift);
151 format = PIXMAN_FORMAT(pf->bits_per_pixel, type,
152 pf->abits, pf->rbits, pf->gbits, pf->bbits);
153 if (!pixman_format_supported_source(format)) {
160 * Return true for known-good pixman conversions.
162 * UIs using pixman for format conversion can hook this into
163 * DisplayChangeListenerOps->dpy_gfx_check_format
165 bool qemu_pixman_check_format(DisplayChangeListener *dcl,
166 pixman_format_code_t format)
170 case PIXMAN_x8r8g8b8:
171 case PIXMAN_a8r8g8b8:
172 case PIXMAN_b8g8r8x8:
173 case PIXMAN_b8g8r8a8:
178 case PIXMAN_x1r5g5b5:
186 pixman_image_t *qemu_pixman_linebuf_create(pixman_format_code_t format,
189 pixman_image_t *image = pixman_image_create_bits(format, width, 1, NULL, 0);
190 assert(image != NULL);
194 /* fill linebuf from framebuffer */
195 void qemu_pixman_linebuf_fill(pixman_image_t *linebuf, pixman_image_t *fb,
196 int width, int x, int y)
198 pixman_image_composite(PIXMAN_OP_SRC, fb, NULL, linebuf,
199 x, y, 0, 0, 0, 0, width, 1);
202 /* copy linebuf to framebuffer */
203 void qemu_pixman_linebuf_copy(pixman_image_t *fb, int width, int x, int y,
204 pixman_image_t *linebuf)
206 pixman_image_composite(PIXMAN_OP_SRC, linebuf, NULL, fb,
207 0, 0, 0, 0, x, y, width, 1);
210 pixman_image_t *qemu_pixman_mirror_create(pixman_format_code_t format,
211 pixman_image_t *image)
213 return pixman_image_create_bits(format,
214 pixman_image_get_width(image),
215 pixman_image_get_height(image),
217 pixman_image_get_stride(image));
220 void qemu_pixman_image_unref(pixman_image_t *image)
225 pixman_image_unref(image);
228 pixman_color_t qemu_pixman_color(PixelFormat *pf, uint32_t color)
232 c.red = ((color & pf->rmask) >> pf->rshift) << (16 - pf->rbits);
233 c.green = ((color & pf->gmask) >> pf->gshift) << (16 - pf->gbits);
234 c.blue = ((color & pf->bmask) >> pf->bshift) << (16 - pf->bbits);
235 c.alpha = ((color & pf->amask) >> pf->ashift) << (16 - pf->abits);
239 pixman_image_t *qemu_pixman_glyph_from_vgafont(int height, const uint8_t *font,
242 pixman_image_t *glyph;
247 glyph = pixman_image_create_bits(PIXMAN_a8, 8, height,
249 data = (uint8_t *)pixman_image_get_data(glyph);
252 for (y = 0; y < height; y++, font++) {
253 for (x = 0; x < 8; x++, data++) {
254 bit = (*font) & (1 << (7-x));
255 *data = bit ? 0xff : 0x00;
261 void qemu_pixman_glyph_render(pixman_image_t *glyph,
262 pixman_image_t *surface,
263 pixman_color_t *fgcol,
264 pixman_color_t *bgcol,
265 int x, int y, int cw, int ch)
267 pixman_image_t *ifg = pixman_image_create_solid_fill(fgcol);
268 pixman_image_t *ibg = pixman_image_create_solid_fill(bgcol);
270 pixman_image_composite(PIXMAN_OP_SRC, ibg, NULL, surface,
274 pixman_image_composite(PIXMAN_OP_OVER, ifg, glyph, surface,
278 pixman_image_unref(ifg);
279 pixman_image_unref(ibg);