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 #ifdef CONFIG_PIXMAN 10 #include <pixman.h> 11 #endif 12 13 /* 14 * pixman image formats are defined to be native endian, 15 * that means host byte order on qemu. So we go define 16 * fixed formats here for cases where it is needed, like 17 * feeding libjpeg / libpng and writing screenshots. 18 */ 19 20 #if HOST_BIG_ENDIAN 21 # define PIXMAN_BE_r8g8b8 PIXMAN_r8g8b8 22 # define PIXMAN_BE_x8r8g8b8 PIXMAN_x8r8g8b8 23 # define PIXMAN_BE_a8r8g8b8 PIXMAN_a8r8g8b8 24 # define PIXMAN_BE_b8g8r8x8 PIXMAN_b8g8r8x8 25 # define PIXMAN_BE_b8g8r8a8 PIXMAN_b8g8r8a8 26 # define PIXMAN_BE_r8g8b8x8 PIXMAN_r8g8b8x8 27 # define PIXMAN_BE_r8g8b8a8 PIXMAN_r8g8b8a8 28 # define PIXMAN_BE_x8b8g8r8 PIXMAN_x8b8g8r8 29 # define PIXMAN_BE_a8b8g8r8 PIXMAN_a8b8g8r8 30 # define PIXMAN_LE_r8g8b8 PIXMAN_b8g8r8 31 # define PIXMAN_LE_a8r8g8b8 PIXMAN_b8g8r8a8 32 # define PIXMAN_LE_x8r8g8b8 PIXMAN_b8g8r8x8 33 # define PIXMAN_LE_a8b8g8r8 PIXMAN_r8g8b8a8 34 # define PIXMAN_LE_x8b8g8r8 PIXMAN_r8g8b8x8 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 # define PIXMAN_LE_a8b8g8r8 PIXMAN_a8b8g8r8 49 # define PIXMAN_LE_x8b8g8r8 PIXMAN_x8b8g8r8 50 #endif 51 52 #define QEMU_PIXMAN_COLOR(r, g, b) \ 53 { .red = r << 8, .green = g << 8, .blue = b << 8, .alpha = 0xffff } 54 55 #define QEMU_PIXMAN_COLOR_BLACK QEMU_PIXMAN_COLOR(0x00, 0x00, 0x00) 56 #define QEMU_PIXMAN_COLOR_GRAY QEMU_PIXMAN_COLOR(0xaa, 0xaa, 0xaa) 57 58 /* -------------------------------------------------------------------- */ 59 60 typedef struct PixelFormat { 61 uint8_t bits_per_pixel; 62 uint8_t bytes_per_pixel; 63 uint8_t depth; /* color depth in bits */ 64 uint32_t rmask, gmask, bmask, amask; 65 uint8_t rshift, gshift, bshift, ashift; 66 uint8_t rmax, gmax, bmax, amax; 67 uint8_t rbits, gbits, bbits, abits; 68 } PixelFormat; 69 70 PixelFormat qemu_pixelformat_from_pixman(pixman_format_code_t format); 71 pixman_format_code_t qemu_default_pixman_format(int bpp, bool native_endian); 72 pixman_format_code_t qemu_drm_format_to_pixman(uint32_t drm_format); 73 uint32_t qemu_pixman_to_drm_format(pixman_format_code_t pixman); 74 int qemu_pixman_get_type(int rshift, int gshift, int bshift); 75 pixman_format_code_t qemu_pixman_get_format(PixelFormat *pf); 76 bool qemu_pixman_check_format(DisplayChangeListener *dcl, 77 pixman_format_code_t format); 78 79 pixman_image_t *qemu_pixman_linebuf_create(pixman_format_code_t format, 80 int width); 81 void qemu_pixman_linebuf_fill(pixman_image_t *linebuf, pixman_image_t *fb, 82 int width, int x, int y); 83 pixman_image_t *qemu_pixman_mirror_create(pixman_format_code_t format, 84 pixman_image_t *image); 85 void qemu_pixman_image_unref(pixman_image_t *image); 86 87 pixman_image_t *qemu_pixman_glyph_from_vgafont(int height, const uint8_t *font, 88 unsigned int ch); 89 void qemu_pixman_glyph_render(pixman_image_t *glyph, 90 pixman_image_t *surface, 91 pixman_color_t *fgcol, 92 pixman_color_t *bgcol, 93 int x, int y, int cw, int ch); 94 95 G_DEFINE_AUTOPTR_CLEANUP_FUNC(pixman_image_t, qemu_pixman_image_unref) 96 97 #endif /* QEMU_PIXMAN_H */ 98