qemu-pixman.h (3812B)
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#ifdef HOST_WORDS_BIGENDIAN 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 52typedef 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 62PixelFormat qemu_pixelformat_from_pixman(pixman_format_code_t format); 63pixman_format_code_t qemu_default_pixman_format(int bpp, bool native_endian); 64pixman_format_code_t qemu_drm_format_to_pixman(uint32_t drm_format); 65uint32_t qemu_pixman_to_drm_format(pixman_format_code_t pixman); 66int qemu_pixman_get_type(int rshift, int gshift, int bshift); 67pixman_format_code_t qemu_pixman_get_format(PixelFormat *pf); 68bool qemu_pixman_check_format(DisplayChangeListener *dcl, 69 pixman_format_code_t format); 70 71pixman_image_t *qemu_pixman_linebuf_create(pixman_format_code_t format, 72 int width); 73void qemu_pixman_linebuf_fill(pixman_image_t *linebuf, pixman_image_t *fb, 74 int width, int x, int y); 75void qemu_pixman_linebuf_copy(pixman_image_t *fb, int width, int x, int y, 76 pixman_image_t *linebuf); 77pixman_image_t *qemu_pixman_mirror_create(pixman_format_code_t format, 78 pixman_image_t *image); 79void qemu_pixman_image_unref(pixman_image_t *image); 80 81pixman_color_t qemu_pixman_color(PixelFormat *pf, uint32_t color); 82pixman_image_t *qemu_pixman_glyph_from_vgafont(int height, const uint8_t *font, 83 unsigned int ch); 84void 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 90G_DEFINE_AUTOPTR_CLEANUP_FUNC(pixman_image_t, qemu_pixman_image_unref) 91 92#endif /* QEMU_PIXMAN_H */