diff options
Diffstat (limited to 'xf86drmMode.c')
| -rw-r--r-- | xf86drmMode.c | 153 |
1 files changed, 153 insertions, 0 deletions
diff --git a/xf86drmMode.c b/xf86drmMode.c index f08e6480..da7b4620 100644 --- a/xf86drmMode.c +++ b/xf86drmMode.c @@ -255,6 +255,29 @@ int drmModeAddFB(int fd, uint32_t width, uint32_t height, uint8_t depth, return 0; } +int drmModeAddFB2(int fd, uint32_t width, uint32_t height, + uint32_t pixel_format, uint32_t bo_handles[4], + uint32_t pitches[4], uint32_t offsets[4], + uint32_t *buf_id, uint32_t flags) +{ + struct drm_mode_fb_cmd2 f; + int ret; + + f.width = width; + f.height = height; + f.pixel_format = pixel_format; + f.flags = flags; + memcpy(f.handles, bo_handles, sizeof(bo_handles)); + memcpy(f.pitches, pitches, sizeof(pitches)); + memcpy(f.offsets, offsets, sizeof(offsets)); + + if ((ret = DRM_IOCTL(fd, DRM_IOCTL_MODE_ADDFB2, &f))) + return ret; + + *buf_id = f.fb_id; + return 0; +} + int drmModeRmFB(int fd, uint32_t bufferId) { return DRM_IOCTL(fd, DRM_IOCTL_MODE_RMFB, &bufferId); @@ -806,3 +829,133 @@ int drmModePageFlip(int fd, uint32_t crtc_id, uint32_t fb_id, return DRM_IOCTL(fd, DRM_IOCTL_MODE_PAGE_FLIP, &flip); } + +int drmModeSetPlane(int fd, uint32_t plane_id, uint32_t crtc_id, + uint32_t fb_id, uint32_t flags, + uint32_t crtc_x, uint32_t crtc_y, + uint32_t crtc_w, uint32_t crtc_h, + uint32_t src_x, uint32_t src_y, + uint32_t src_w, uint32_t src_h) + +{ + struct drm_mode_set_plane s; + + s.plane_id = plane_id; + s.crtc_id = crtc_id; + s.fb_id = fb_id; + s.flags = flags; + s.crtc_x = crtc_x; + s.crtc_y = crtc_y; + s.crtc_w = crtc_w; + s.crtc_h = crtc_h; + s.src_x = src_x; + s.src_y = src_y; + s.src_w = src_w; + s.src_h = src_h; + + return DRM_IOCTL(fd, DRM_IOCTL_MODE_SETPLANE, &s); +} + + +drmModePlanePtr drmModeGetPlane(int fd, uint32_t plane_id) +{ + struct drm_mode_get_plane ovr, counts; + drmModePlanePtr r = 0; + +retry: + memset(&ovr, 0, sizeof(struct drm_mode_get_plane)); + ovr.plane_id = plane_id; + if (drmIoctl(fd, DRM_IOCTL_MODE_GETPLANE, &ovr)) + return 0; + + counts = ovr; + + if (ovr.count_format_types) { + ovr.format_type_ptr = VOID2U64(drmMalloc(ovr.count_format_types * + sizeof(uint32_t))); + if (!ovr.format_type_ptr) + goto err_allocs; + } + + if (drmIoctl(fd, DRM_IOCTL_MODE_GETPLANE, &ovr)) + goto err_allocs; + + if (counts.count_format_types < ovr.count_format_types) { + drmFree(U642VOID(ovr.format_type_ptr)); + goto retry; + } + + if (!(r = drmMalloc(sizeof(*r)))) + goto err_allocs; + + r->count_formats = ovr.count_format_types; + r->plane_id = ovr.plane_id; + r->crtc_id = ovr.crtc_id; + r->fb_id = ovr.fb_id; + r->possible_crtcs = ovr.possible_crtcs; + r->gamma_size = ovr.gamma_size; + r->formats = drmAllocCpy(U642VOID(ovr.format_type_ptr), + ovr.count_format_types, sizeof(uint32_t)); + if (ovr.count_format_types && !r->formats) { + drmFree(r->formats); + r = 0; + } + +err_allocs: + drmFree(U642VOID(ovr.format_type_ptr)); + + return r; +} + +void drmModeFreePlane(drmModePlanePtr ptr) +{ + if (!ptr) + return; + + drmFree(ptr->formats); + drmFree(ptr); +} + +drmModePlaneResPtr drmModeGetPlaneResources(int fd) +{ + struct drm_mode_get_plane_res res, counts; + drmModePlaneResPtr r = 0; + +retry: + memset(&res, 0, sizeof(struct drm_mode_get_plane_res)); + if (drmIoctl(fd, DRM_IOCTL_MODE_GETPLANERESOURCES, &res)) + return 0; + + counts = res; + + if (res.count_planes) { + res.plane_id_ptr = VOID2U64(drmMalloc(res.count_planes * + sizeof(uint32_t))); + if (!res.plane_id_ptr) + goto err_allocs; + } + + if (drmIoctl(fd, DRM_IOCTL_MODE_GETPLANERESOURCES, &res)) + goto err_allocs; + + if (counts.count_planes < res.count_planes) { + drmFree(U642VOID(res.plane_id_ptr)); + goto retry; + } + + if (!(r = drmMalloc(sizeof(*r)))) + goto err_allocs; + + r->count_planes = res.count_planes; + r->planes = drmAllocCpy(U642VOID(res.plane_id_ptr), + res.count_planes, sizeof(uint32_t)); + if (res.count_planes && !r->planes) { + drmFree(r->planes); + r = 0; + } + +err_allocs: + drmFree(U642VOID(res.plane_id_ptr)); + + return r; +} |