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-rw-r--r--render/allocator/drm_dumb.c6
-rw-r--r--render/allocator/gbm.c14
-rw-r--r--render/allocator/shm.c3
3 files changed, 14 insertions, 9 deletions
diff --git a/render/allocator/drm_dumb.c b/render/allocator/drm_dumb.c
index 684ba2e3..03ff8e3f 100644
--- a/render/allocator/drm_dumb.c
+++ b/render/allocator/drm_dumb.c
@@ -25,7 +25,8 @@ static const struct wlr_buffer_impl buffer_impl;
static struct wlr_drm_dumb_buffer *drm_dumb_buffer_from_buffer(
struct wlr_buffer *wlr_buf) {
assert(wlr_buf->impl == &buffer_impl);
- return (struct wlr_drm_dumb_buffer *)wlr_buf;
+ struct wlr_drm_dumb_buffer *buf = wl_container_of(wlr_buf, buf, base);
+ return buf;
}
static struct wlr_drm_dumb_buffer *create_buffer(
@@ -163,7 +164,8 @@ static const struct wlr_allocator_interface allocator_impl;
static struct wlr_drm_dumb_allocator *drm_dumb_alloc_from_alloc(
struct wlr_allocator *wlr_alloc) {
assert(wlr_alloc->impl == &allocator_impl);
- return (struct wlr_drm_dumb_allocator *)wlr_alloc;
+ struct wlr_drm_dumb_allocator *alloc = wl_container_of(wlr_alloc, alloc, base);
+ return alloc;
}
static struct wlr_buffer *allocator_create_buffer(
diff --git a/render/allocator/gbm.c b/render/allocator/gbm.c
index 149ff6b9..32636d30 100644
--- a/render/allocator/gbm.c
+++ b/render/allocator/gbm.c
@@ -17,9 +17,10 @@
static const struct wlr_buffer_impl buffer_impl;
static struct wlr_gbm_buffer *get_gbm_buffer_from_buffer(
- struct wlr_buffer *buffer) {
- assert(buffer->impl == &buffer_impl);
- return (struct wlr_gbm_buffer *)buffer;
+ struct wlr_buffer *wlr_buffer) {
+ assert(wlr_buffer->impl == &buffer_impl);
+ struct wlr_gbm_buffer *buffer = wl_container_of(wlr_buffer, buffer, base);
+ return buffer;
}
static bool export_gbm_bo(struct gbm_bo *bo,
@@ -179,9 +180,10 @@ static const struct wlr_buffer_impl buffer_impl = {
static const struct wlr_allocator_interface allocator_impl;
static struct wlr_gbm_allocator *get_gbm_alloc_from_alloc(
- struct wlr_allocator *alloc) {
- assert(alloc->impl == &allocator_impl);
- return (struct wlr_gbm_allocator *)alloc;
+ struct wlr_allocator *wlr_alloc) {
+ assert(wlr_alloc->impl == &allocator_impl);
+ struct wlr_gbm_allocator *alloc = wl_container_of(wlr_alloc, alloc, base);
+ return alloc;
}
struct wlr_allocator *wlr_gbm_allocator_create(int fd) {
diff --git a/render/allocator/shm.c b/render/allocator/shm.c
index 55a8fab2..b6d3138c 100644
--- a/render/allocator/shm.c
+++ b/render/allocator/shm.c
@@ -17,7 +17,8 @@ static const struct wlr_buffer_impl buffer_impl;
static struct wlr_shm_buffer *shm_buffer_from_buffer(
struct wlr_buffer *wlr_buffer) {
assert(wlr_buffer->impl == &buffer_impl);
- return (struct wlr_shm_buffer *)wlr_buffer;
+ struct wlr_shm_buffer *buffer = wl_container_of(wlr_buffer, buffer, base);
+ return buffer;
}
static void buffer_destroy(struct wlr_buffer *wlr_buffer) {