接前一篇文章:DRM全解析 —— ADD_FB2(0)
本文参考以下博文:
特此致谢!
本文正式开始对于drmModeAddFB2WithModifiers和drmModeAddFB2函数进行深入解析。
drmModeAddFB2函数在xf86drmMode.c中,代码如下:
drm_public int drmModeAddFB2(int fd, uint32_t width, uint32_t height,
uint32_t pixel_format, const uint32_t bo_handles[4],
const uint32_t pitches[4], const uint32_t offsets[4],
uint32_t *buf_id, uint32_t flags)
{
return drmModeAddFB2WithModifiers(fd, width, height,
pixel_format, bo_handles,
pitches, offsets, NULL,
buf_