diff options
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/ioctl_wrappers.c | 23 | ||||
| -rw-r--r-- | lib/ioctl_wrappers.h | 30 |
2 files changed, 53 insertions, 0 deletions
diff --git a/lib/ioctl_wrappers.c b/lib/ioctl_wrappers.c index 66c90de0..5cbb8738 100644 --- a/lib/ioctl_wrappers.c +++ b/lib/ioctl_wrappers.c @@ -1142,3 +1142,26 @@ off_t prime_get_size(int dma_buf_fd) return ret; } + +/** + * igt_require_fb_modifiers: + * @fd: Open DRM file descriptor. + * + * Requires presence of DRM_CAP_ADDFB2_MODIFIERS. + */ +void igt_require_fb_modifiers(int fd) +{ + static bool has_modifiers, cap_modifiers_tested; + + if (!cap_modifiers_tested) { + uint64_t cap_modifiers; + int ret; + + ret = drmGetCap(fd, LOCAL_DRM_CAP_ADDFB2_MODIFIERS, &cap_modifiers); + igt_assert(ret == 0 || errno == EINVAL); + has_modifiers = ret == 0 && cap_modifiers == 1; + cap_modifiers_tested = true; + } + + igt_require(has_modifiers); +} diff --git a/lib/ioctl_wrappers.h b/lib/ioctl_wrappers.h index 7c0c87e0..3c85e8bf 100644 --- a/lib/ioctl_wrappers.h +++ b/lib/ioctl_wrappers.h @@ -135,4 +135,34 @@ int prime_handle_to_fd(int fd, uint32_t handle); uint32_t prime_fd_to_handle(int fd, int dma_buf_fd); off_t prime_get_size(int dma_buf_fd); +/* addfb2 fb modifiers */ +struct local_drm_mode_fb_cmd2 { + uint32_t fb_id; + uint32_t width, height; + uint32_t pixel_format; + uint32_t flags; + uint32_t handles[4]; + uint32_t pitches[4]; + uint32_t offsets[4]; + uint64_t modifier[4]; +}; + +#define LOCAL_DRM_MODE_FB_MODIFIERS (1<<1) + +#define LOCAL_DRM_FORMAT_MOD_VENDOR_INTEL 0x01 + +#define local_fourcc_mod_code(vendor, val) \ + ((((uint64_t)LOCAL_DRM_FORMAT_MOD_VENDOR_## vendor) << 56) | \ + (val & 0x00ffffffffffffffL)) + +#define LOCAL_DRM_FORMAT_MOD_NONE (0) +#define LOCAL_I915_FORMAT_MOD_X_TILED local_fourcc_mod_code(INTEL, 1) + +#define LOCAL_DRM_IOCTL_MODE_ADDFB2 DRM_IOWR(0xB8, \ + struct local_drm_mode_fb_cmd2) + +#define LOCAL_DRM_CAP_ADDFB2_MODIFIERS 0x10 + +void igt_require_fb_modifiers(int fd); + #endif /* IOCTL_WRAPPERS_H */ |