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authorAustin Shafer <ashafer@nvidia.com>2024-02-02 16:15:25 -0500
committerAlexander Orzechowski <alex@ozal.ski>2024-02-06 16:11:30 +0000
commit4cd556ea20d4a598a36e4e2349acb45cc4246383 (patch)
tree66af0377a2ff2e4d5f1fa1564a4099203db860e8
parent811ca199c444525dc4d846d38f76554f1a9b48b0 (diff)
linux_dmabuf_v1: allow callbacks for checking dmabuf import
-rw-r--r--include/wlr/types/wlr_linux_dmabuf_v1.h12
-rw-r--r--types/wlr_linux_dmabuf_v1.c18
2 files changed, 27 insertions, 3 deletions
diff --git a/include/wlr/types/wlr_linux_dmabuf_v1.h b/include/wlr/types/wlr_linux_dmabuf_v1.h
index d25da3af..cf967f95 100644
--- a/include/wlr/types/wlr_linux_dmabuf_v1.h
+++ b/include/wlr/types/wlr_linux_dmabuf_v1.h
@@ -64,6 +64,9 @@ struct wlr_linux_dmabuf_v1 {
int main_device_fd; // to sanity check FDs sent by clients, -1 if unavailable
struct wl_listener display_destroy;
+
+ bool (*check_dmabuf_callback)(struct wlr_dmabuf_attributes *attribs, void *data);
+ void *check_dmabuf_callback_data;
};
/**
@@ -84,6 +87,15 @@ struct wlr_linux_dmabuf_v1 *wlr_linux_dmabuf_v1_create_with_renderer(struct wl_d
uint32_t version, struct wlr_renderer *renderer);
/**
+ * Set the dmabuf import check callback
+ *
+ * This can be used by consumers who want to implement specific dmabuf checks. Useful for
+ * users such as gamescope who do not use the rendering logic of wlroots.
+ */
+void wlr_linux_dmabuf_v1_set_check_dmabuf_callback(struct wlr_linux_dmabuf_v1 *linux_dmabuf,
+ bool (*callback)(struct wlr_dmabuf_attributes *attribs, void *data), void *data);
+
+/**
* Set a surface's DMA-BUF feedback.
*
* Passing a NULL feedback resets it to the default feedback.
diff --git a/types/wlr_linux_dmabuf_v1.c b/types/wlr_linux_dmabuf_v1.c
index 1c102daa..41642822 100644
--- a/types/wlr_linux_dmabuf_v1.c
+++ b/types/wlr_linux_dmabuf_v1.c
@@ -205,8 +205,9 @@ static void buffer_handle_resource_destroy(struct wl_resource *buffer_resource)
wlr_buffer_drop(&buffer->base);
}
-static bool check_import_dmabuf(struct wlr_linux_dmabuf_v1 *linux_dmabuf,
- struct wlr_dmabuf_attributes *attribs) {
+static bool check_import_dmabuf(struct wlr_dmabuf_attributes *attribs, void *data) {
+ struct wlr_linux_dmabuf_v1 *linux_dmabuf = data;
+
if (linux_dmabuf->main_device_fd < 0) {
return true;
}
@@ -344,7 +345,8 @@ static void params_create_common(struct wl_resource *params_resource,
}
/* Check if dmabuf is usable */
- if (!check_import_dmabuf(linux_dmabuf, &attribs)) {
+ if (!linux_dmabuf->check_dmabuf_callback(&attribs,
+ linux_dmabuf->check_dmabuf_callback_data)) {
goto err_failed;
}
@@ -974,6 +976,9 @@ struct wlr_linux_dmabuf_v1 *wlr_linux_dmabuf_v1_create(struct wl_display *displa
linux_dmabuf->display_destroy.notify = handle_display_destroy;
wl_display_add_destroy_listener(display, &linux_dmabuf->display_destroy);
+ wlr_linux_dmabuf_v1_set_check_dmabuf_callback(linux_dmabuf,
+ check_import_dmabuf, linux_dmabuf);
+
wlr_buffer_register_resource_interface(&buffer_resource_interface);
return linux_dmabuf;
@@ -1000,6 +1005,13 @@ struct wlr_linux_dmabuf_v1 *wlr_linux_dmabuf_v1_create_with_renderer(struct wl_d
return linux_dmabuf;
}
+void wlr_linux_dmabuf_v1_set_check_dmabuf_callback(struct wlr_linux_dmabuf_v1 *linux_dmabuf,
+ bool (*callback)(struct wlr_dmabuf_attributes *attribs, void *data), void *data) {
+ assert(callback);
+ linux_dmabuf->check_dmabuf_callback = callback;
+ linux_dmabuf->check_dmabuf_callback_data = data;
+}
+
bool wlr_linux_dmabuf_v1_set_surface_feedback(
struct wlr_linux_dmabuf_v1 *linux_dmabuf,
struct wlr_surface *wlr_surface,