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 #define QEMU_PIXMAN_COLOR(r, g, b) \ 51 { .red = r << 8, .green = g << 8, .blue = b << 8, .alpha = 0xffff } 52 53 #define QEMU_PIXMAN_COLOR_BLACK QEMU_PIXMAN_COLOR(0x00, 0x00, 0x00) 54 #define QEMU_PIXMAN_COLOR_GRAY QEMU_PIXMAN_COLOR(0xaa, 0xaa, 0xaa) 55 56 /* -------------------------------------------------------------------- */ 57 58 typedef struct PixelFormat { 59 uint8_t bits_per_pixel; 60 uint8_t bytes_per_pixel; 61 uint8_t depth; /* color depth in bits */ 62 uint32_t rmask, gmask, bmask, amask; 63 uint8_t rshift, gshift, bshift, ashift; 64 uint8_t rmax, gmax, bmax, amax; 65 uint8_t rbits, gbits, bbits, abits; 66 } PixelFormat; 67 68 PixelFormat qemu_pixelformat_from_pixman(pixman_format_code_t format); 69 pixman_format_code_t qemu_default_pixman_format(int bpp, bool native_endian); 70 pixman_format_code_t qemu_drm_format_to_pixman(uint32_t drm_format); 71 uint32_t qemu_pixman_to_drm_format(pixman_format_code_t pixman); 72 int qemu_pixman_get_type(int rshift, int gshift, int bshift); 73 pixman_format_code_t qemu_pixman_get_format(PixelFormat *pf); 74 bool qemu_pixman_check_format(DisplayChangeListener *dcl, 75 pixman_format_code_t format); 76 77 pixman_image_t *qemu_pixman_linebuf_create(pixman_format_code_t format, 78 int width); 79 void qemu_pixman_linebuf_fill(pixman_image_t *linebuf, pixman_image_t *fb, 80 int width, int x, int y); 81 pixman_image_t *qemu_pixman_mirror_create(pixman_format_code_t format, 82 pixman_image_t *image); 83 void qemu_pixman_image_unref(pixman_image_t *image); 84 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