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plane: store drmModePropertyRes

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This retains all of the info we need: ID, name, type, possible
enum values. We'll need the possible enum values in the next
commit.
This commit is contained in:
Simon Ser 2023-02-15 18:47:04 +01:00
parent 8ec1203e64
commit 9568888b99
2 changed files with 20 additions and 24 deletions
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7
include/private.h
View file

@ -72,18 +72,13 @@ struct liftoff_plane {
/* TODO: formats */
struct liftoff_list link; /* liftoff_device.planes */
struct liftoff_plane_property *props;
drmModePropertyRes **props;
size_t props_len;
drmModePropertyBlobRes *in_formats_blob;
struct liftoff_layer *layer;
};
struct liftoff_plane_property {
char name[DRM_PROP_NAME_LEN];
uint32_t id;
};
struct liftoff_rect {
int x, y;
int width, height;

37
plane.c
View file

@ -40,8 +40,7 @@ liftoff_plane_create(struct liftoff_device *device, uint32_t id)
drmModePlane *drm_plane;
drmModeObjectProperties *drm_props;
uint32_t i;
drmModePropertyRes *drm_prop;
struct liftoff_plane_property *prop;
drmModePropertyRes *prop;
uint64_t value;
bool has_type = false, has_zpos = false;
@ -75,25 +74,20 @@ liftoff_plane_create(struct liftoff_device *device, uint32_t id)
liftoff_log_errno(LIFTOFF_ERROR, "drmModeObjectGetProperties");
return NULL;
}
plane->props = calloc(drm_props->count_props,
sizeof(struct liftoff_plane_property));
plane->props = calloc(drm_props->count_props, sizeof(plane->props[0]));
if (plane->props == NULL) {
liftoff_log_errno(LIFTOFF_ERROR, "calloc");
drmModeFreeObjectProperties(drm_props);
return NULL;
}
for (i = 0; i < drm_props->count_props; i++) {
drm_prop = drmModeGetProperty(device->drm_fd,
drm_props->props[i]);
if (drm_prop == NULL) {
prop = drmModeGetProperty(device->drm_fd, drm_props->props[i]);
if (prop == NULL) {
liftoff_log_errno(LIFTOFF_ERROR, "drmModeGetProperty");
drmModeFreeObjectProperties(drm_props);
return NULL;
}
prop = &plane->props[i];
memcpy(prop->name, drm_prop->name, sizeof(prop->name));
prop->id = drm_prop->prop_id;
drmModeFreeProperty(drm_prop);
plane->props[i] = prop;
plane->props_len++;
value = drm_props->prop_values[i];
@ -152,9 +146,16 @@ liftoff_plane_create(struct liftoff_device *device, uint32_t id)
void
liftoff_plane_destroy(struct liftoff_plane *plane)
{
size_t i;
if (plane->layer != NULL) {
plane->layer->plane = NULL;
}
for (i = 0; i < plane->props_len; i++) {
drmModeFreeProperty(plane->props[i]);
}
liftoff_list_remove(&plane->link);
free(plane->props);
drmModeFreePropertyBlob(plane->in_formats_blob);
@ -167,14 +168,14 @@ liftoff_plane_get_id(struct liftoff_plane *plane)
return plane->id;
}
static struct liftoff_plane_property *
static const drmModePropertyRes *
plane_get_property(struct liftoff_plane *plane, const char *name)
{
size_t i;
for (i = 0; i < plane->props_len; i++) {
if (strcmp(plane->props[i].name, name) == 0) {
return &plane->props[i];
if (strcmp(plane->props[i]->name, name) == 0) {
return plane->props[i];
}
}
return NULL;
@ -182,11 +183,11 @@ plane_get_property(struct liftoff_plane *plane, const char *name)
static int
plane_set_prop(struct liftoff_plane *plane, drmModeAtomicReq *req,
struct liftoff_plane_property *prop, uint64_t value)
const drmModePropertyRes *prop, uint64_t value)
{
int ret;
ret = drmModeAtomicAddProperty(req, plane->id, prop->id, value);
ret = drmModeAtomicAddProperty(req, plane->id, prop->prop_id, value);
if (ret < 0) {
liftoff_log(LIFTOFF_ERROR, "drmModeAtomicAddProperty: %s",
strerror(-ret));
@ -200,7 +201,7 @@ static int
set_plane_prop_str(struct liftoff_plane *plane, drmModeAtomicReq *req,
const char *name, uint64_t value)
{
struct liftoff_plane_property *prop;
const drmModePropertyRes *prop;
prop = plane_get_property(plane, name);
if (prop == NULL) {
@ -271,7 +272,7 @@ plane_apply(struct liftoff_plane *plane, struct liftoff_layer *layer,
int cursor, ret;
size_t i;
struct liftoff_layer_property *layer_prop;
struct liftoff_plane_property *plane_prop;
const drmModePropertyRes *plane_prop;
cursor = drmModeAtomicGetCursor(req);