*/
/*
- * TODO the types we are after are defined in diffrent headers on diffrent
+ * TODO the types we are after are defined in different headers on different
* platforms find which headers to include to get uint32_t
*/
+
+#include <limits.h>
#include <stdint.h>
+#include <stdlib.h>
#include <sys/ioctl.h>
-#include <stdio.h>
-
-#ifdef HAVE_CONFIG_H
-#include "config.h"
+#if HAVE_SYS_SYSCTL_H
+#include <sys/sysctl.h>
#endif
+#include <stdio.h>
+#include <stdbool.h>
+#include "libdrm_macros.h"
#include "xf86drmMode.h"
#include "xf86drm.h"
#include <drm.h>
#include <unistd.h>
#include <errno.h>
-#ifdef HAVE_VALGRIND
-#include <valgrind.h>
-#include <memcheck.h>
-#define VG(x) x
-#else
-#define VG(x)
-#endif
-
#define memclear(s) memset(&s, 0, sizeof(s))
#define U642VOID(x) ((void *)(unsigned long)(x))
* Util functions
*/
-void* drmAllocCpy(void *array, int count, int entry_size)
+static void* drmAllocCpy(char *array, int count, int entry_size)
{
char *r;
int i;
* A couple of free functions.
*/
-void drmModeFreeModeInfo(drmModeModeInfoPtr ptr)
+drm_public void drmModeFreeModeInfo(drmModeModeInfoPtr ptr)
{
if (!ptr)
return;
drmFree(ptr);
}
-void drmModeFreeResources(drmModeResPtr ptr)
+drm_public void drmModeFreeResources(drmModeResPtr ptr)
{
if (!ptr)
return;
drmFree(ptr->connectors);
drmFree(ptr->encoders);
drmFree(ptr);
-
}
-void drmModeFreeFB(drmModeFBPtr ptr)
+drm_public void drmModeFreeFB(drmModeFBPtr ptr)
{
if (!ptr)
return;
drmFree(ptr);
}
-void drmModeFreeCrtc(drmModeCrtcPtr ptr)
+drm_public void drmModeFreeCrtc(drmModeCrtcPtr ptr)
{
if (!ptr)
return;
drmFree(ptr);
-
}
-void drmModeFreeConnector(drmModeConnectorPtr ptr)
+drm_public void drmModeFreeConnector(drmModeConnectorPtr ptr)
{
if (!ptr)
return;
drmFree(ptr->props);
drmFree(ptr->modes);
drmFree(ptr);
-
}
-void drmModeFreeEncoder(drmModeEncoderPtr ptr)
+drm_public void drmModeFreeEncoder(drmModeEncoderPtr ptr)
{
drmFree(ptr);
}
* ModeSetting functions.
*/
-drmModeResPtr drmModeGetResources(int fd)
+drm_public drmModeResPtr drmModeGetResources(int fd)
{
struct drm_mode_card_res res, counts;
drmModeResPtr r = 0;
return r;
}
-int drmModeAddFB(int fd, uint32_t width, uint32_t height, uint8_t depth,
- uint8_t bpp, uint32_t pitch, uint32_t bo_handle,
- uint32_t *buf_id)
+
+drm_public int drmModeAddFB(int fd, uint32_t width, uint32_t height, uint8_t depth,
+ uint8_t bpp, uint32_t pitch, uint32_t bo_handle,
+ uint32_t *buf_id)
{
struct drm_mode_fb_cmd f;
int ret;
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)
+drm_public int drmModeAddFB2WithModifiers(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],
+ const uint64_t modifier[4], uint32_t *buf_id, uint32_t flags)
{
struct drm_mode_fb_cmd2 f;
int ret;
memcpy(f.handles, bo_handles, 4 * sizeof(bo_handles[0]));
memcpy(f.pitches, pitches, 4 * sizeof(pitches[0]));
memcpy(f.offsets, offsets, 4 * sizeof(offsets[0]));
+ if (modifier)
+ memcpy(f.modifier, modifier, 4 * sizeof(modifier[0]));
if ((ret = DRM_IOCTL(fd, DRM_IOCTL_MODE_ADDFB2, &f)))
return ret;
return 0;
}
-int drmModeRmFB(int fd, uint32_t bufferId)
+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_id, flags);
+}
+
+drm_public int drmModeRmFB(int fd, uint32_t bufferId)
{
return DRM_IOCTL(fd, DRM_IOCTL_MODE_RMFB, &bufferId);
}
-drmModeFBPtr drmModeGetFB(int fd, uint32_t buf)
+drm_public drmModeFBPtr drmModeGetFB(int fd, uint32_t buf)
{
struct drm_mode_fb_cmd info;
drmModeFBPtr r;
return r;
}
-int drmModeDirtyFB(int fd, uint32_t bufferId,
+drm_public int drmModeDirtyFB(int fd, uint32_t bufferId,
drmModeClipPtr clips, uint32_t num_clips)
{
struct drm_mode_fb_dirty_cmd dirty;
return DRM_IOCTL(fd, DRM_IOCTL_MODE_DIRTYFB, &dirty);
}
-
/*
* Crtc functions
*/
-drmModeCrtcPtr drmModeGetCrtc(int fd, uint32_t crtcId)
+drm_public drmModeCrtcPtr drmModeGetCrtc(int fd, uint32_t crtcId)
{
struct drm_mode_crtc crtc;
drmModeCrtcPtr r;
return r;
}
-
-int drmModeSetCrtc(int fd, uint32_t crtcId, uint32_t bufferId,
- uint32_t x, uint32_t y, uint32_t *connectors, int count,
+drm_public int drmModeSetCrtc(int fd, uint32_t crtcId, uint32_t bufferId,
+ uint32_t x, uint32_t y, uint32_t *connectors, int count,
drmModeModeInfoPtr mode)
{
struct drm_mode_crtc crtc;
* Cursor manipulation
*/
-int drmModeSetCursor(int fd, uint32_t crtcId, uint32_t bo_handle, uint32_t width, uint32_t height)
+drm_public int drmModeSetCursor(int fd, uint32_t crtcId, uint32_t bo_handle,
+ uint32_t width, uint32_t height)
{
struct drm_mode_cursor arg;
return DRM_IOCTL(fd, DRM_IOCTL_MODE_CURSOR, &arg);
}
-int drmModeSetCursor2(int fd, uint32_t crtcId, uint32_t bo_handle, uint32_t width, uint32_t height, int32_t hot_x, int32_t hot_y)
+drm_public int drmModeSetCursor2(int fd, uint32_t crtcId, uint32_t bo_handle,
+ uint32_t width, uint32_t height, int32_t hot_x,
+ int32_t hot_y)
{
struct drm_mode_cursor2 arg;
return DRM_IOCTL(fd, DRM_IOCTL_MODE_CURSOR2, &arg);
}
-int drmModeMoveCursor(int fd, uint32_t crtcId, int x, int y)
+drm_public int drmModeMoveCursor(int fd, uint32_t crtcId, int x, int y)
{
struct drm_mode_cursor arg;
/*
* Encoder get
*/
-drmModeEncoderPtr drmModeGetEncoder(int fd, uint32_t encoder_id)
+drm_public drmModeEncoderPtr drmModeGetEncoder(int fd, uint32_t encoder_id)
{
struct drm_mode_get_encoder enc;
drmModeEncoderPtr r = NULL;
/*
* Connector manipulation
*/
-
-drmModeConnectorPtr drmModeGetConnector(int fd, uint32_t connector_id)
+static drmModeConnectorPtr
+_drmModeGetConnector(int fd, uint32_t connector_id, int probe)
{
struct drm_mode_get_connector conn, counts;
drmModeConnectorPtr r = NULL;
+ struct drm_mode_modeinfo stack_mode;
-retry:
memclear(conn);
conn.connector_id = connector_id;
+ if (!probe) {
+ conn.count_modes = 1;
+ conn.modes_ptr = VOID2U64(&stack_mode);
+ }
if (drmIoctl(fd, DRM_IOCTL_MODE_GETCONNECTOR, &conn))
return 0;
+retry:
counts = conn;
if (conn.count_props) {
conn.modes_ptr = VOID2U64(drmMalloc(conn.count_modes*sizeof(struct drm_mode_modeinfo)));
if (!conn.modes_ptr)
goto err_allocs;
+ } else {
+ conn.count_modes = 1;
+ conn.modes_ptr = VOID2U64(&stack_mode);
}
if (conn.count_encoders) {
counts.count_encoders < conn.count_encoders) {
drmFree(U642VOID(conn.props_ptr));
drmFree(U642VOID(conn.prop_values_ptr));
- drmFree(U642VOID(conn.modes_ptr));
+ if (U642VOID(conn.modes_ptr) != &stack_mode)
+ drmFree(U642VOID(conn.modes_ptr));
drmFree(U642VOID(conn.encoders_ptr));
goto retry;
err_allocs:
drmFree(U642VOID(conn.prop_values_ptr));
drmFree(U642VOID(conn.props_ptr));
- drmFree(U642VOID(conn.modes_ptr));
+ if (U642VOID(conn.modes_ptr) != &stack_mode)
+ drmFree(U642VOID(conn.modes_ptr));
drmFree(U642VOID(conn.encoders_ptr));
return r;
}
-int drmModeAttachMode(int fd, uint32_t connector_id, drmModeModeInfoPtr mode_info)
+drm_public drmModeConnectorPtr drmModeGetConnector(int fd, uint32_t connector_id)
+{
+ return _drmModeGetConnector(fd, connector_id, 1);
+}
+
+drm_public drmModeConnectorPtr drmModeGetConnectorCurrent(int fd, uint32_t connector_id)
+{
+ return _drmModeGetConnector(fd, connector_id, 0);
+}
+
+drm_public int drmModeAttachMode(int fd, uint32_t connector_id, drmModeModeInfoPtr mode_info)
{
struct drm_mode_mode_cmd res;
return DRM_IOCTL(fd, DRM_IOCTL_MODE_ATTACHMODE, &res);
}
-int drmModeDetachMode(int fd, uint32_t connector_id, drmModeModeInfoPtr mode_info)
+drm_public int drmModeDetachMode(int fd, uint32_t connector_id, drmModeModeInfoPtr mode_info)
{
struct drm_mode_mode_cmd res;
return DRM_IOCTL(fd, DRM_IOCTL_MODE_DETACHMODE, &res);
}
-
-drmModePropertyPtr drmModeGetProperty(int fd, uint32_t property_id)
+drm_public drmModePropertyPtr drmModeGetProperty(int fd, uint32_t property_id)
{
struct drm_mode_get_property prop;
drmModePropertyPtr r;
}
if (!(r = drmMalloc(sizeof(*r))))
- return NULL;
+ goto err_allocs;
r->prop_id = prop.prop_id;
r->count_values = prop.count_values;
return r;
}
-void drmModeFreeProperty(drmModePropertyPtr ptr)
+drm_public void drmModeFreeProperty(drmModePropertyPtr ptr)
{
if (!ptr)
return;
drmFree(ptr);
}
-drmModePropertyBlobPtr drmModeGetPropertyBlob(int fd, uint32_t blob_id)
+drm_public drmModePropertyBlobPtr drmModeGetPropertyBlob(int fd,
+ uint32_t blob_id)
{
struct drm_mode_get_blob blob;
drmModePropertyBlobPtr r;
return r;
}
-void drmModeFreePropertyBlob(drmModePropertyBlobPtr ptr)
+drm_public void drmModeFreePropertyBlob(drmModePropertyBlobPtr ptr)
{
if (!ptr)
return;
drmFree(ptr);
}
-int drmModeConnectorSetProperty(int fd, uint32_t connector_id, uint32_t property_id,
- uint64_t value)
+drm_public int drmModeConnectorSetProperty(int fd, uint32_t connector_id,
+ uint32_t property_id,
+ uint64_t value)
{
struct drm_mode_connector_set_property osp;
* -EINVAL or invalid bus id
* -ENOSYS if no modesetting support
*/
-int drmCheckModesettingSupported(const char *busid)
+drm_public int drmCheckModesettingSupported(const char *busid)
{
#if defined (__linux__)
char pci_dev_dir[1024];
}
#elif defined(__DragonFly__)
return 0;
+#elif defined(__OpenBSD__)
+ int fd;
+ struct drm_mode_card_res res;
+ drmModeResPtr r = 0;
+
+ if ((fd = drmOpen(NULL, busid)) < 0)
+ return -EINVAL;
+
+ memset(&res, 0, sizeof(struct drm_mode_card_res));
+
+ if (drmIoctl(fd, DRM_IOCTL_MODE_GETRESOURCES, &res)) {
+ drmClose(fd);
+ return -errno;
+ }
+
+ drmClose(fd);
+ return 0;
#endif
return -ENOSYS;
-
}
-int drmModeCrtcGetGamma(int fd, uint32_t crtc_id, uint32_t size,
- uint16_t *red, uint16_t *green, uint16_t *blue)
+drm_public int drmModeCrtcGetGamma(int fd, uint32_t crtc_id, uint32_t size,
+ uint16_t *red, uint16_t *green,
+ uint16_t *blue)
{
struct drm_mode_crtc_lut l;
return DRM_IOCTL(fd, DRM_IOCTL_MODE_GETGAMMA, &l);
}
-int drmModeCrtcSetGamma(int fd, uint32_t crtc_id, uint32_t size,
- uint16_t *red, uint16_t *green, uint16_t *blue)
+drm_public int drmModeCrtcSetGamma(int fd, uint32_t crtc_id, uint32_t size,
+ uint16_t *red, uint16_t *green,
+ uint16_t *blue)
{
struct drm_mode_crtc_lut l;
return DRM_IOCTL(fd, DRM_IOCTL_MODE_SETGAMMA, &l);
}
-int drmHandleEvent(int fd, drmEventContextPtr evctx)
+drm_public int drmHandleEvent(int fd, drmEventContextPtr evctx)
{
char buffer[1024];
int len, i;
struct drm_event *e;
struct drm_event_vblank *vblank;
-
+ struct drm_event_crtc_sequence *seq;
+ void *user_data;
+
/* The DRM read semantics guarantees that we always get only
* complete events. */
i = 0;
while (i < len) {
- e = (struct drm_event *) &buffer[i];
+ e = (struct drm_event *)(buffer + i);
switch (e->type) {
case DRM_EVENT_VBLANK:
if (evctx->version < 1 ||
break;
vblank = (struct drm_event_vblank *) e;
evctx->vblank_handler(fd,
- vblank->sequence,
+ vblank->sequence,
vblank->tv_sec,
vblank->tv_usec,
U642VOID (vblank->user_data));
break;
case DRM_EVENT_FLIP_COMPLETE:
- if (evctx->version < 2 ||
- evctx->page_flip_handler == NULL)
- break;
vblank = (struct drm_event_vblank *) e;
- evctx->page_flip_handler(fd,
- vblank->sequence,
- vblank->tv_sec,
- vblank->tv_usec,
- U642VOID (vblank->user_data));
+ user_data = U642VOID (vblank->user_data);
+
+ if (evctx->version >= 3 && evctx->page_flip_handler2)
+ evctx->page_flip_handler2(fd,
+ vblank->sequence,
+ vblank->tv_sec,
+ vblank->tv_usec,
+ vblank->crtc_id,
+ user_data);
+ else if (evctx->version >= 2 && evctx->page_flip_handler)
+ evctx->page_flip_handler(fd,
+ vblank->sequence,
+ vblank->tv_sec,
+ vblank->tv_usec,
+ user_data);
+ break;
+ case DRM_EVENT_CRTC_SEQUENCE:
+ seq = (struct drm_event_crtc_sequence *) e;
+ if (evctx->version >= 4 && evctx->sequence_handler)
+ evctx->sequence_handler(fd,
+ seq->sequence,
+ seq->time_ns,
+ seq->user_data);
break;
default:
break;
return 0;
}
-int drmModePageFlip(int fd, uint32_t crtc_id, uint32_t fb_id,
+drm_public int drmModePageFlip(int fd, uint32_t crtc_id, uint32_t fb_id,
uint32_t flags, void *user_data)
{
struct drm_mode_crtc_page_flip flip;
return DRM_IOCTL(fd, DRM_IOCTL_MODE_PAGE_FLIP, &flip);
}
-int drmModeSetPlane(int fd, uint32_t plane_id, uint32_t crtc_id,
+drm_public int drmModePageFlipTarget(int fd, uint32_t crtc_id, uint32_t fb_id,
+ uint32_t flags, void *user_data,
+ uint32_t target_vblank)
+{
+ struct drm_mode_crtc_page_flip_target flip_target;
+
+ memclear(flip_target);
+ flip_target.fb_id = fb_id;
+ flip_target.crtc_id = crtc_id;
+ flip_target.user_data = VOID2U64(user_data);
+ flip_target.flags = flags;
+ flip_target.sequence = target_vblank;
+
+ return DRM_IOCTL(fd, DRM_IOCTL_MODE_PAGE_FLIP, &flip_target);
+}
+
+drm_public int drmModeSetPlane(int fd, uint32_t plane_id, uint32_t crtc_id,
uint32_t fb_id, uint32_t flags,
int32_t crtc_x, int32_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;
return DRM_IOCTL(fd, DRM_IOCTL_MODE_SETPLANE, &s);
}
-
-drmModePlanePtr drmModeGetPlane(int fd, uint32_t plane_id)
+drm_public drmModePlanePtr drmModeGetPlane(int fd, uint32_t plane_id)
{
struct drm_mode_get_plane ovr, counts;
drmModePlanePtr r = 0;
return r;
}
-void drmModeFreePlane(drmModePlanePtr ptr)
+drm_public void drmModeFreePlane(drmModePlanePtr ptr)
{
if (!ptr)
return;
drmFree(ptr);
}
-drmModePlaneResPtr drmModeGetPlaneResources(int fd)
+drm_public drmModePlaneResPtr drmModeGetPlaneResources(int fd)
{
struct drm_mode_get_plane_res res, counts;
drmModePlaneResPtr r = 0;
return r;
}
-void drmModeFreePlaneResources(drmModePlaneResPtr ptr)
+drm_public void drmModeFreePlaneResources(drmModePlaneResPtr ptr)
{
if (!ptr)
return;
drmFree(ptr);
}
-drmModeObjectPropertiesPtr drmModeObjectGetProperties(int fd,
+drm_public drmModeObjectPropertiesPtr drmModeObjectGetProperties(int fd,
uint32_t object_id,
uint32_t object_type)
{
return ret;
}
-void drmModeFreeObjectProperties(drmModeObjectPropertiesPtr ptr)
+drm_public void drmModeFreeObjectProperties(drmModeObjectPropertiesPtr ptr)
{
if (!ptr)
return;
drmFree(ptr);
}
-int drmModeObjectSetProperty(int fd, uint32_t object_id, uint32_t object_type,
+drm_public int drmModeObjectSetProperty(int fd, uint32_t object_id, uint32_t object_type,
uint32_t property_id, uint64_t value)
{
struct drm_mode_obj_set_property prop;
return DRM_IOCTL(fd, DRM_IOCTL_MODE_OBJ_SETPROPERTY, &prop);
}
+
+typedef struct _drmModeAtomicReqItem drmModeAtomicReqItem, *drmModeAtomicReqItemPtr;
+
+struct _drmModeAtomicReqItem {
+ uint32_t object_id;
+ uint32_t property_id;
+ uint64_t value;
+};
+
+struct _drmModeAtomicReq {
+ uint32_t cursor;
+ uint32_t size_items;
+ drmModeAtomicReqItemPtr items;
+};
+
+drm_public drmModeAtomicReqPtr drmModeAtomicAlloc(void)
+{
+ drmModeAtomicReqPtr req;
+
+ req = drmMalloc(sizeof *req);
+ if (!req)
+ return NULL;
+
+ req->items = NULL;
+ req->cursor = 0;
+ req->size_items = 0;
+
+ return req;
+}
+
+drm_public drmModeAtomicReqPtr drmModeAtomicDuplicate(drmModeAtomicReqPtr old)
+{
+ drmModeAtomicReqPtr new;
+
+ if (!old)
+ return NULL;
+
+ new = drmMalloc(sizeof *new);
+ if (!new)
+ return NULL;
+
+ new->cursor = old->cursor;
+ new->size_items = old->size_items;
+
+ if (old->size_items) {
+ new->items = drmMalloc(old->size_items * sizeof(*new->items));
+ if (!new->items) {
+ free(new);
+ return NULL;
+ }
+ memcpy(new->items, old->items,
+ old->cursor * sizeof(*new->items));
+ } else {
+ new->items = NULL;
+ }
+
+ return new;
+}
+
+drm_public int drmModeAtomicMerge(drmModeAtomicReqPtr base,
+ drmModeAtomicReqPtr augment)
+{
+ if (!base)
+ return -EINVAL;
+
+ if (!augment || augment->cursor == 0)
+ return 0;
+
+ if (base->cursor + augment->cursor >= base->size_items) {
+ drmModeAtomicReqItemPtr new;
+ int saved_size = base->size_items;
+
+ base->size_items = base->cursor + augment->cursor;
+ new = realloc(base->items,
+ base->size_items * sizeof(*base->items));
+ if (!new) {
+ base->size_items = saved_size;
+ return -ENOMEM;
+ }
+ base->items = new;
+ }
+
+ memcpy(&base->items[base->cursor], augment->items,
+ augment->cursor * sizeof(*augment->items));
+ base->cursor += augment->cursor;
+
+ return 0;
+}
+
+drm_public int drmModeAtomicGetCursor(drmModeAtomicReqPtr req)
+{
+ if (!req)
+ return -EINVAL;
+ return req->cursor;
+}
+
+drm_public void drmModeAtomicSetCursor(drmModeAtomicReqPtr req, int cursor)
+{
+ if (req)
+ req->cursor = cursor;
+}
+
+drm_public int drmModeAtomicAddProperty(drmModeAtomicReqPtr req,
+ uint32_t object_id,
+ uint32_t property_id,
+ uint64_t value)
+{
+ if (!req)
+ return -EINVAL;
+
+ if (object_id == 0 || property_id == 0)
+ return -EINVAL;
+
+ if (req->cursor >= req->size_items) {
+ const uint32_t item_size_inc = getpagesize() / sizeof(*req->items);
+ drmModeAtomicReqItemPtr new;
+
+ req->size_items += item_size_inc;
+ new = realloc(req->items, req->size_items * sizeof(*req->items));
+ if (!new) {
+ req->size_items -= item_size_inc;
+ return -ENOMEM;
+ }
+ req->items = new;
+ }
+
+ req->items[req->cursor].object_id = object_id;
+ req->items[req->cursor].property_id = property_id;
+ req->items[req->cursor].value = value;
+ req->cursor++;
+
+ return req->cursor;
+}
+
+drm_public void drmModeAtomicFree(drmModeAtomicReqPtr req)
+{
+ if (!req)
+ return;
+
+ if (req->items)
+ drmFree(req->items);
+ drmFree(req);
+}
+
+static int sort_req_list(const void *misc, const void *other)
+{
+ const drmModeAtomicReqItem *first = misc;
+ const drmModeAtomicReqItem *second = other;
+
+ if (first->object_id < second->object_id)
+ return -1;
+ else if (first->object_id > second->object_id)
+ return 1;
+ else
+ return second->property_id - first->property_id;
+}
+
+drm_public int drmModeAtomicCommit(int fd, drmModeAtomicReqPtr req,
+ uint32_t flags, void *user_data)
+{
+ drmModeAtomicReqPtr sorted;
+ struct drm_mode_atomic atomic;
+ uint32_t *objs_ptr = NULL;
+ uint32_t *count_props_ptr = NULL;
+ uint32_t *props_ptr = NULL;
+ uint64_t *prop_values_ptr = NULL;
+ uint32_t last_obj_id = 0;
+ uint32_t i;
+ int obj_idx = -1;
+ int ret = -1;
+
+ if (!req)
+ return -EINVAL;
+
+ if (req->cursor == 0)
+ return 0;
+
+ sorted = drmModeAtomicDuplicate(req);
+ if (sorted == NULL)
+ return -ENOMEM;
+
+ memclear(atomic);
+
+ /* Sort the list by object ID, then by property ID. */
+ qsort(sorted->items, sorted->cursor, sizeof(*sorted->items),
+ sort_req_list);
+
+ /* Now the list is sorted, eliminate duplicate property sets. */
+ for (i = 0; i < sorted->cursor; i++) {
+ if (sorted->items[i].object_id != last_obj_id) {
+ atomic.count_objs++;
+ last_obj_id = sorted->items[i].object_id;
+ }
+
+ if (i == sorted->cursor - 1)
+ continue;
+
+ if (sorted->items[i].object_id != sorted->items[i + 1].object_id ||
+ sorted->items[i].property_id != sorted->items[i + 1].property_id)
+ continue;
+
+ memmove(&sorted->items[i], &sorted->items[i + 1],
+ (sorted->cursor - i - 1) * sizeof(*sorted->items));
+ sorted->cursor--;
+ }
+
+ objs_ptr = drmMalloc(atomic.count_objs * sizeof objs_ptr[0]);
+ if (!objs_ptr) {
+ errno = ENOMEM;
+ goto out;
+ }
+
+ count_props_ptr = drmMalloc(atomic.count_objs * sizeof count_props_ptr[0]);
+ if (!count_props_ptr) {
+ errno = ENOMEM;
+ goto out;
+ }
+
+ props_ptr = drmMalloc(sorted->cursor * sizeof props_ptr[0]);
+ if (!props_ptr) {
+ errno = ENOMEM;
+ goto out;
+ }
+
+ prop_values_ptr = drmMalloc(sorted->cursor * sizeof prop_values_ptr[0]);
+ if (!prop_values_ptr) {
+ errno = ENOMEM;
+ goto out;
+ }
+
+ for (i = 0, last_obj_id = 0; i < sorted->cursor; i++) {
+ if (sorted->items[i].object_id != last_obj_id) {
+ obj_idx++;
+ objs_ptr[obj_idx] = sorted->items[i].object_id;
+ last_obj_id = objs_ptr[obj_idx];
+ }
+
+ count_props_ptr[obj_idx]++;
+ props_ptr[i] = sorted->items[i].property_id;
+ prop_values_ptr[i] = sorted->items[i].value;
+
+ }
+
+ atomic.flags = flags;
+ atomic.objs_ptr = VOID2U64(objs_ptr);
+ atomic.count_props_ptr = VOID2U64(count_props_ptr);
+ atomic.props_ptr = VOID2U64(props_ptr);
+ atomic.prop_values_ptr = VOID2U64(prop_values_ptr);
+ atomic.user_data = VOID2U64(user_data);
+
+ ret = DRM_IOCTL(fd, DRM_IOCTL_MODE_ATOMIC, &atomic);
+
+out:
+ drmFree(objs_ptr);
+ drmFree(count_props_ptr);
+ drmFree(props_ptr);
+ drmFree(prop_values_ptr);
+ drmModeAtomicFree(sorted);
+
+ return ret;
+}
+
+drm_public int
+drmModeCreatePropertyBlob(int fd, const void *data, size_t length,
+ uint32_t *id)
+{
+ struct drm_mode_create_blob create;
+ int ret;
+
+ if (length >= 0xffffffff)
+ return -ERANGE;
+
+ memclear(create);
+
+ create.length = length;
+ create.data = (uintptr_t) data;
+ create.blob_id = 0;
+ *id = 0;
+
+ ret = DRM_IOCTL(fd, DRM_IOCTL_MODE_CREATEPROPBLOB, &create);
+ if (ret != 0)
+ return ret;
+
+ *id = create.blob_id;
+ return 0;
+}
+
+drm_public int
+drmModeDestroyPropertyBlob(int fd, uint32_t id)
+{
+ struct drm_mode_destroy_blob destroy;
+
+ memclear(destroy);
+ destroy.blob_id = id;
+ return DRM_IOCTL(fd, DRM_IOCTL_MODE_DESTROYPROPBLOB, &destroy);
+}
+
+drm_public int
+drmModeCreateLease(int fd, const uint32_t *objects, int num_objects, int flags,
+ uint32_t *lessee_id)
+{
+ struct drm_mode_create_lease create;
+ int ret;
+
+ memclear(create);
+ create.object_ids = (uintptr_t) objects;
+ create.object_count = num_objects;
+ create.flags = flags;
+
+ ret = DRM_IOCTL(fd, DRM_IOCTL_MODE_CREATE_LEASE, &create);
+ if (ret == 0) {
+ *lessee_id = create.lessee_id;
+ return create.fd;
+ }
+ return -errno;
+}
+
+drm_public drmModeLesseeListPtr
+drmModeListLessees(int fd)
+{
+ struct drm_mode_list_lessees list;
+ uint32_t count;
+ drmModeLesseeListPtr ret;
+
+ memclear(list);
+
+ if (DRM_IOCTL(fd, DRM_IOCTL_MODE_LIST_LESSEES, &list))
+ return NULL;
+
+ count = list.count_lessees;
+ ret = drmMalloc(sizeof (drmModeLesseeListRes) + count * sizeof (ret->lessees[0]));
+ if (!ret)
+ return NULL;
+
+ list.lessees_ptr = VOID2U64(&ret->lessees[0]);
+ if (DRM_IOCTL(fd, DRM_IOCTL_MODE_LIST_LESSEES, &list)) {
+ drmFree(ret);
+ return NULL;
+ }
+
+ ret->count = count;
+ return ret;
+}
+
+drm_public drmModeObjectListPtr
+drmModeGetLease(int fd)
+{
+ struct drm_mode_get_lease get;
+ uint32_t count;
+ drmModeObjectListPtr ret;
+
+ memclear(get);
+
+ if (DRM_IOCTL(fd, DRM_IOCTL_MODE_GET_LEASE, &get))
+ return NULL;
+
+ count = get.count_objects;
+ ret = drmMalloc(sizeof (drmModeObjectListRes) + count * sizeof (ret->objects[0]));
+ if (!ret)
+ return NULL;
+
+ get.objects_ptr = VOID2U64(&ret->objects[0]);
+ if (DRM_IOCTL(fd, DRM_IOCTL_MODE_GET_LEASE, &get)) {
+ drmFree(ret);
+ return NULL;
+ }
+
+ ret->count = count;
+ return ret;
+}
+
+drm_public int
+drmModeRevokeLease(int fd, uint32_t lessee_id)
+{
+ struct drm_mode_revoke_lease revoke;
+ int ret;
+
+ memclear(revoke);
+
+ revoke.lessee_id = lessee_id;
+
+ ret = DRM_IOCTL(fd, DRM_IOCTL_MODE_REVOKE_LEASE, &revoke);
+ if (ret == 0)
+ return 0;
+ return -errno;
+}
+
+drm_public drmModeFB2Ptr
+drmModeGetFB2(int fd, uint32_t fb_id)
+{
+ struct drm_mode_fb_cmd2 get = {
+ .fb_id = fb_id,
+ };
+ drmModeFB2Ptr ret;
+ int err;
+
+ err = DRM_IOCTL(fd, DRM_IOCTL_MODE_GETFB2, &get);
+ if (err != 0)
+ return NULL;
+
+ ret = drmMalloc(sizeof(drmModeFB2));
+ if (!ret)
+ return NULL;
+
+ ret->fb_id = fb_id;
+ ret->width = get.width;
+ ret->height = get.height;
+ ret->pixel_format = get.pixel_format;
+ ret->flags = get.flags;
+ ret->modifier = get.modifier[0];
+ memcpy(ret->handles, get.handles, sizeof(uint32_t) * 4);
+ memcpy(ret->pitches, get.pitches, sizeof(uint32_t) * 4);
+ memcpy(ret->offsets, get.offsets, sizeof(uint32_t) * 4);
+
+ return ret;
+}
+
+drm_public void drmModeFreeFB2(drmModeFB2Ptr ptr)
+{
+ drmFree(ptr);
+}
OSDN Git Service
