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console: add qemu_pixman_linebuf_copy 

Helper function for copying data from linebuf to framebuffer using
pixman, possibly converting in case src and dst formats differ.

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
This commit is contained in:
Gerd Hoffmann 2014-06-19 13:19:01 +02:00
parent 4c38762fb5
commit 43c7d8bd44
2 changed files with 11 additions and 0 deletions
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2
include/ui/qemu-pixman.h
View File

@ -42,6 +42,8 @@ pixman_image_t *qemu_pixman_linebuf_create(pixman_format_code_t format,
int width);
void qemu_pixman_linebuf_fill(pixman_image_t *linebuf, pixman_image_t *fb,
int width, int x, int y);
void qemu_pixman_linebuf_copy(pixman_image_t *fb, int width, int x, int y,
pixman_image_t *linebuf);
pixman_image_t *qemu_pixman_mirror_create(pixman_format_code_t format,
pixman_image_t *image);
void qemu_pixman_image_unref(pixman_image_t *image);

9
ui/qemu-pixman.c
View File

@ -133,6 +133,7 @@ pixman_image_t *qemu_pixman_linebuf_create(pixman_format_code_t format,
return image;
}
/* fill linebuf from framebuffer */
void qemu_pixman_linebuf_fill(pixman_image_t *linebuf, pixman_image_t *fb,
int width, int x, int y)
{
@ -140,6 +141,14 @@ void qemu_pixman_linebuf_fill(pixman_image_t *linebuf, pixman_image_t *fb,
x, y, 0, 0, 0, 0, width, 1);
}
/* copy linebuf to framebuffer */
void qemu_pixman_linebuf_copy(pixman_image_t *fb, int width, int x, int y,
pixman_image_t *linebuf)
{
pixman_image_composite(PIXMAN_OP_SRC, linebuf, NULL, fb,
0, 0, 0, 0, x, y, width, 1);
}
pixman_image_t *qemu_pixman_mirror_create(pixman_format_code_t format,
pixman_image_t *image)
{