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 #else 12 #include "pixman-minimal.h" 13 #endif 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 # define PIXMAN_LE_a8b8g8r8 PIXMAN_r8g8b8a8 36 # define PIXMAN_LE_x8b8g8r8 PIXMAN_r8g8b8x8 37 #else 38 # define PIXMAN_BE_r8g8b8 PIXMAN_b8g8r8 39 # define PIXMAN_BE_x8r8g8b8 PIXMAN_b8g8r8x8 40 # define PIXMAN_BE_a8r8g8b8 PIXMAN_b8g8r8a8 41 # define PIXMAN_BE_b8g8r8x8 PIXMAN_x8r8g8b8 42 # define PIXMAN_BE_b8g8r8a8 PIXMAN_a8r8g8b8 43 # define PIXMAN_BE_r8g8b8x8 PIXMAN_x8b8g8r8 44 # define PIXMAN_BE_r8g8b8a8 PIXMAN_a8b8g8r8 45 # define PIXMAN_BE_x8b8g8r8 PIXMAN_r8g8b8x8 46 # define PIXMAN_BE_a8b8g8r8 PIXMAN_r8g8b8a8 47 # define PIXMAN_LE_r8g8b8 PIXMAN_r8g8b8 48 # define PIXMAN_LE_a8r8g8b8 PIXMAN_a8r8g8b8 49 # define PIXMAN_LE_x8r8g8b8 PIXMAN_x8r8g8b8 50 # define PIXMAN_LE_a8b8g8r8 PIXMAN_a8b8g8r8 51 # define PIXMAN_LE_x8b8g8r8 PIXMAN_x8b8g8r8 52 #endif 53 54 #define QEMU_PIXMAN_COLOR(r, g, b) \ 55 { .red = r << 8, .green = g << 8, .blue = b << 8, .alpha = 0xffff } 56 57 #define QEMU_PIXMAN_COLOR_BLACK QEMU_PIXMAN_COLOR(0x00, 0x00, 0x00) 58 #define QEMU_PIXMAN_COLOR_GRAY QEMU_PIXMAN_COLOR(0xaa, 0xaa, 0xaa) 59 60 /* -------------------------------------------------------------------- */ 61 62 typedef struct PixelFormat { 63 uint8_t bits_per_pixel; 64 uint8_t bytes_per_pixel; 65 uint8_t depth; /* color depth in bits */ 66 uint32_t rmask, gmask, bmask, amask; 67 uint8_t rshift, gshift, bshift, ashift; 68 uint8_t rmax, gmax, bmax, amax; 69 uint8_t rbits, gbits, bbits, abits; 70 } PixelFormat; 71 72 PixelFormat qemu_pixelformat_from_pixman(pixman_format_code_t format); 73 pixman_format_code_t qemu_default_pixman_format(int bpp, bool native_endian); 74 pixman_format_code_t qemu_drm_format_to_pixman(uint32_t drm_format); 75 uint32_t qemu_pixman_to_drm_format(pixman_format_code_t pixman); 76 int qemu_pixman_get_type(int rshift, int gshift, int bshift); 77 bool qemu_pixman_check_format(DisplayChangeListener *dcl, 78 pixman_format_code_t format); 79 80 #ifdef CONFIG_PIXMAN 81 pixman_format_code_t qemu_pixman_get_format(PixelFormat *pf); 82 pixman_image_t *qemu_pixman_linebuf_create(pixman_format_code_t format, 83 int width); 84 void qemu_pixman_linebuf_fill(pixman_image_t *linebuf, pixman_image_t *fb, 85 int width, int x, int y); 86 pixman_image_t *qemu_pixman_mirror_create(pixman_format_code_t format, 87 pixman_image_t *image); 88 89 pixman_image_t *qemu_pixman_glyph_from_vgafont(int height, const uint8_t *font, 90 unsigned int ch); 91 void qemu_pixman_glyph_render(pixman_image_t *glyph, 92 pixman_image_t *surface, 93 pixman_color_t *fgcol, 94 pixman_color_t *bgcol, 95 int x, int y, int cw, int ch); 96 #endif 97 98 void qemu_pixman_image_unref(pixman_image_t *image); 99 100 void qemu_pixman_win32_image_destroy(pixman_image_t *image, void *data); 101 102 G_DEFINE_AUTOPTR_CLEANUP_FUNC(pixman_image_t, qemu_pixman_image_unref) 103 104 #endif /* QEMU_PIXMAN_H */ 105