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 /* pixman-0.16.0 headers have a redundant declaration */ 10 #pragma GCC diagnostic push 11 #pragma GCC diagnostic ignored "-Wredundant-decls" 12 #include <pixman.h> 13 #pragma GCC diagnostic pop 14 15 /* 16 * pixman image formats are defined to be native endian, 17 * that means host byte order on qemu. So we go define 18 * fixed formats here for cases where it is needed, like 19 * feeding libjpeg / libpng and writing screenshots. 20 */ 21 22 #if HOST_BIG_ENDIAN 23 # define PIXMAN_BE_r8g8b8 PIXMAN_r8g8b8 24 # define PIXMAN_BE_x8r8g8b8 PIXMAN_x8r8g8b8 25 # define PIXMAN_BE_a8r8g8b8 PIXMAN_a8r8g8b8 26 # define PIXMAN_BE_b8g8r8x8 PIXMAN_b8g8r8x8 27 # define PIXMAN_BE_b8g8r8a8 PIXMAN_b8g8r8a8 28 # define PIXMAN_BE_r8g8b8x8 PIXMAN_r8g8b8x8 29 # define PIXMAN_BE_r8g8b8a8 PIXMAN_r8g8b8a8 30 # define PIXMAN_BE_x8b8g8r8 PIXMAN_x8b8g8r8 31 # define PIXMAN_BE_a8b8g8r8 PIXMAN_a8b8g8r8 32 # define PIXMAN_LE_r8g8b8 PIXMAN_b8g8r8 33 # define PIXMAN_LE_a8r8g8b8 PIXMAN_b8g8r8a8 34 # define PIXMAN_LE_x8r8g8b8 PIXMAN_b8g8r8x8 35 #else 36 # define PIXMAN_BE_r8g8b8 PIXMAN_b8g8r8 37 # define PIXMAN_BE_x8r8g8b8 PIXMAN_b8g8r8x8 38 # define PIXMAN_BE_a8r8g8b8 PIXMAN_b8g8r8a8 39 # define PIXMAN_BE_b8g8r8x8 PIXMAN_x8r8g8b8 40 # define PIXMAN_BE_b8g8r8a8 PIXMAN_a8r8g8b8 41 # define PIXMAN_BE_r8g8b8x8 PIXMAN_x8b8g8r8 42 # define PIXMAN_BE_r8g8b8a8 PIXMAN_a8b8g8r8 43 # define PIXMAN_BE_x8b8g8r8 PIXMAN_r8g8b8x8 44 # define PIXMAN_BE_a8b8g8r8 PIXMAN_r8g8b8a8 45 # define PIXMAN_LE_r8g8b8 PIXMAN_r8g8b8 46 # define PIXMAN_LE_a8r8g8b8 PIXMAN_a8r8g8b8 47 # define PIXMAN_LE_x8r8g8b8 PIXMAN_x8r8g8b8 48 #endif 49 50 /* -------------------------------------------------------------------- */ 51 52 typedef struct PixelFormat { 53 uint8_t bits_per_pixel; 54 uint8_t bytes_per_pixel; 55 uint8_t depth; /* color depth in bits */ 56 uint32_t rmask, gmask, bmask, amask; 57 uint8_t rshift, gshift, bshift, ashift; 58 uint8_t rmax, gmax, bmax, amax; 59 uint8_t rbits, gbits, bbits, abits; 60 } PixelFormat; 61 62 PixelFormat qemu_pixelformat_from_pixman(pixman_format_code_t format); 63 pixman_format_code_t qemu_default_pixman_format(int bpp, bool native_endian); 64 pixman_format_code_t qemu_drm_format_to_pixman(uint32_t drm_format); 65 uint32_t qemu_pixman_to_drm_format(pixman_format_code_t pixman); 66 int qemu_pixman_get_type(int rshift, int gshift, int bshift); 67 pixman_format_code_t qemu_pixman_get_format(PixelFormat *pf); 68 bool qemu_pixman_check_format(DisplayChangeListener *dcl, 69 pixman_format_code_t format); 70 71 pixman_image_t *qemu_pixman_linebuf_create(pixman_format_code_t format, 72 int width); 73 void qemu_pixman_linebuf_fill(pixman_image_t *linebuf, pixman_image_t *fb, 74 int width, int x, int y); 75 void qemu_pixman_linebuf_copy(pixman_image_t *fb, int width, int x, int y, 76 pixman_image_t *linebuf); 77 pixman_image_t *qemu_pixman_mirror_create(pixman_format_code_t format, 78 pixman_image_t *image); 79 void qemu_pixman_image_unref(pixman_image_t *image); 80 81 pixman_color_t qemu_pixman_color(PixelFormat *pf, uint32_t color); 82 pixman_image_t *qemu_pixman_glyph_from_vgafont(int height, const uint8_t *font, 83 unsigned int ch); 84 void qemu_pixman_glyph_render(pixman_image_t *glyph, 85 pixman_image_t *surface, 86 pixman_color_t *fgcol, 87 pixman_color_t *bgcol, 88 int x, int y, int cw, int ch); 89 90 G_DEFINE_AUTOPTR_CLEANUP_FUNC(pixman_image_t, qemu_pixman_image_unref) 91 92 #endif /* QEMU_PIXMAN_H */ 93