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 #ifdef CONFIG_PRAGMA_DIAGNOSTIC_AVAILABLE 11 #pragma GCC diagnostic push 12 #pragma GCC diagnostic ignored "-Wredundant-decls" 13 #endif 14 #include <pixman.h> 15 #ifdef CONFIG_PRAGMA_DIAGNOSTIC_AVAILABLE 16 #pragma GCC diagnostic pop 17 #endif 18 19 /* 20 * pixman image formats are defined to be native endian, 21 * that means host byte order on qemu. So we go define 22 * fixed formats here for cases where it is needed, like 23 * feeding libjpeg / libpng and writing screenshots. 24 */ 25 26 #ifdef HOST_WORDS_BIGENDIAN 27 # define PIXMAN_BE_r8g8b8 PIXMAN_r8g8b8 28 # define PIXMAN_BE_x8r8g8b8 PIXMAN_x8r8g8b8 29 # define PIXMAN_BE_a8r8g8b8 PIXMAN_a8r8g8b8 30 # define PIXMAN_BE_b8g8r8x8 PIXMAN_b8g8r8x8 31 # define PIXMAN_BE_b8g8r8a8 PIXMAN_b8g8r8a8 32 # define PIXMAN_BE_r8g8b8x8 PIXMAN_r8g8b8x8 33 # define PIXMAN_BE_r8g8b8a8 PIXMAN_r8g8b8a8 34 # define PIXMAN_BE_x8b8g8r8 PIXMAN_x8b8g8r8 35 # define PIXMAN_BE_a8b8g8r8 PIXMAN_a8b8g8r8 36 # define PIXMAN_LE_r8g8b8 PIXMAN_b8g8r8 37 # define PIXMAN_LE_a8r8g8b8 PIXMAN_b8g8r8a8 38 # define PIXMAN_LE_x8r8g8b8 PIXMAN_b8g8r8x8 39 #else 40 # define PIXMAN_BE_r8g8b8 PIXMAN_b8g8r8 41 # define PIXMAN_BE_x8r8g8b8 PIXMAN_b8g8r8x8 42 # define PIXMAN_BE_a8r8g8b8 PIXMAN_b8g8r8a8 43 # define PIXMAN_BE_b8g8r8x8 PIXMAN_x8r8g8b8 44 # define PIXMAN_BE_b8g8r8a8 PIXMAN_a8r8g8b8 45 # define PIXMAN_BE_r8g8b8x8 PIXMAN_x8b8g8r8 46 # define PIXMAN_BE_r8g8b8a8 PIXMAN_a8b8g8r8 47 # define PIXMAN_BE_x8b8g8r8 PIXMAN_r8g8b8x8 48 # define PIXMAN_BE_a8b8g8r8 PIXMAN_r8g8b8a8 49 # define PIXMAN_LE_r8g8b8 PIXMAN_r8g8b8 50 # define PIXMAN_LE_a8r8g8b8 PIXMAN_a8r8g8b8 51 # define PIXMAN_LE_x8r8g8b8 PIXMAN_x8r8g8b8 52 #endif 53 54 /* -------------------------------------------------------------------- */ 55 56 typedef struct PixelFormat { 57 uint8_t bits_per_pixel; 58 uint8_t bytes_per_pixel; 59 uint8_t depth; /* color depth in bits */ 60 uint32_t rmask, gmask, bmask, amask; 61 uint8_t rshift, gshift, bshift, ashift; 62 uint8_t rmax, gmax, bmax, amax; 63 uint8_t rbits, gbits, bbits, abits; 64 } PixelFormat; 65 66 PixelFormat qemu_pixelformat_from_pixman(pixman_format_code_t format); 67 pixman_format_code_t qemu_default_pixman_format(int bpp, bool native_endian); 68 pixman_format_code_t qemu_drm_format_to_pixman(uint32_t drm_format); 69 int qemu_pixman_get_type(int rshift, int gshift, int bshift); 70 pixman_format_code_t qemu_pixman_get_format(PixelFormat *pf); 71 bool qemu_pixman_check_format(DisplayChangeListener *dcl, 72 pixman_format_code_t format); 73 74 pixman_image_t *qemu_pixman_linebuf_create(pixman_format_code_t format, 75 int width); 76 void qemu_pixman_linebuf_fill(pixman_image_t *linebuf, pixman_image_t *fb, 77 int width, int x, int y); 78 void qemu_pixman_linebuf_copy(pixman_image_t *fb, int width, int x, int y, 79 pixman_image_t *linebuf); 80 pixman_image_t *qemu_pixman_mirror_create(pixman_format_code_t format, 81 pixman_image_t *image); 82 void qemu_pixman_image_unref(pixman_image_t *image); 83 84 pixman_color_t qemu_pixman_color(PixelFormat *pf, uint32_t color); 85 pixman_image_t *qemu_pixman_glyph_from_vgafont(int height, const uint8_t *font, 86 unsigned int ch); 87 void qemu_pixman_glyph_render(pixman_image_t *glyph, 88 pixman_image_t *surface, 89 pixman_color_t *fgcol, 90 pixman_color_t *bgcol, 91 int x, int y, int cw, int ch); 92 93 G_DEFINE_AUTOPTR_CLEANUP_FUNC(pixman_image_t, qemu_pixman_image_unref) 94 95 #endif /* QEMU_PIXMAN_H */ 96