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lib: Add igt_dirty_fb

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Just wraps drmModeDirtyFB and for now invalidates the whole FB.

Signed-off-by: Tomeu Vizoso <tomeu.vizoso@collabora.com>
Reviewed-by: Daniel Stone <daniels@collabora.com>
Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch>
This commit is contained in:
Tomeu Vizoso 2016-03-07 16:25:43 +01:00 committed by Daniel Stone
parent fb66a5df93
commit a2d5b348ee
2 changed files with 15 additions and 0 deletions
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14
lib/igt_fb.c
View File

@ -1014,6 +1014,20 @@ static void create_cairo_surface__blit(int fd, struct igt_fb *fb)
blit, destroy_cairo_surface__blit);
}
/**
* igt_dirty_fb:
* @fd: open drm file descriptor
* @fb: pointer to an #igt_fb structure
*
* Flushes out the whole framebuffer.
*
* Returns: 0 upon success.
*/
int igt_dirty_fb(int fd, struct igt_fb *fb)
{
return drmModeDirtyFB(fb->fd, fb->fb_id, NULL, 0);
}
static void destroy_cairo_surface__gtt(void *arg)
{
struct igt_fb *fb = arg;

1
lib/igt_fb.h
View File

@ -93,6 +93,7 @@ unsigned int igt_create_image_fb(int drm_fd, int width, int height,
unsigned int igt_create_stereo_fb(int drm_fd, drmModeModeInfo *mode,
uint32_t format, uint64_t tiling);
void igt_remove_fb(int fd, struct igt_fb *fb);
int igt_dirty_fb(int fd, struct igt_fb *fb);
/* cairo-based painting */
cairo_t *igt_get_cairo_ctx(int fd, struct igt_fb *fb);