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 #include "qemu-common.h" 7 #include "ui/console.h" 8 9 int qemu_pixman_get_type(int rshift, int gshift, int bshift) 10 { 11 int type = PIXMAN_TYPE_OTHER; 12 13 if (rshift > gshift && gshift > bshift) { 14 if (bshift == 0) { 15 type = PIXMAN_TYPE_ARGB; 16 } else { 17 #if PIXMAN_VERSION >= PIXMAN_VERSION_ENCODE(0, 21, 8) 18 type = PIXMAN_TYPE_RGBA; 19 #endif 20 } 21 } else if (rshift < gshift && gshift < bshift) { 22 if (rshift == 0) { 23 type = PIXMAN_TYPE_ABGR; 24 } else { 25 #if PIXMAN_VERSION >= PIXMAN_VERSION_ENCODE(0, 16, 0) 26 type = PIXMAN_TYPE_BGRA; 27 #endif 28 } 29 } 30 return type; 31 } 32 33 pixman_format_code_t qemu_pixman_get_format(PixelFormat *pf) 34 { 35 pixman_format_code_t format; 36 int type; 37 38 type = qemu_pixman_get_type(pf->rshift, pf->gshift, pf->bshift); 39 format = PIXMAN_FORMAT(pf->bits_per_pixel, type, 40 pf->abits, pf->rbits, pf->gbits, pf->bbits); 41 if (!pixman_format_supported_source(format)) { 42 return 0; 43 } 44 return format; 45 } 46 47 pixman_image_t *qemu_pixman_linebuf_create(pixman_format_code_t format, 48 int width) 49 { 50 pixman_image_t *image = pixman_image_create_bits(format, width, 1, NULL, 0); 51 assert(image != NULL); 52 return image; 53 } 54 55 void qemu_pixman_linebuf_fill(pixman_image_t *linebuf, pixman_image_t *fb, 56 int width, int x, int y) 57 { 58 pixman_image_composite(PIXMAN_OP_SRC, fb, NULL, linebuf, 59 x, y, 0, 0, 0, 0, width, 1); 60 } 61 62 pixman_image_t *qemu_pixman_mirror_create(pixman_format_code_t format, 63 pixman_image_t *image) 64 { 65 pixman_image_t *mirror; 66 67 mirror = pixman_image_create_bits(format, 68 pixman_image_get_width(image), 69 pixman_image_get_height(image), 70 NULL, 71 pixman_image_get_stride(image)); 72 return mirror; 73 } 74 75 void qemu_pixman_image_unref(pixman_image_t *image) 76 { 77 if (image == NULL) { 78 return; 79 } 80 pixman_image_unref(image); 81 } 82