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linux_dmabuf_v1: allow callbacks for checking dmabuf import

This commit is contained in:
Austin Shafer 2024-02-02 16:15:25 -05:00 committed by Alexander Orzechowski
parent 811ca199c4
commit 4cd556ea20
2 changed files with 27 additions and 3 deletions
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12
include/wlr/types/wlr_linux_dmabuf_v1.h
View File

@ -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;
};
/**
@ -83,6 +86,15 @@ struct wlr_linux_dmabuf_v1 *wlr_linux_dmabuf_v1_create(struct wl_display *displa
struct wlr_linux_dmabuf_v1 *wlr_linux_dmabuf_v1_create_with_renderer(struct wl_display *display,
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.
*

18
types/wlr_linux_dmabuf_v1.c
View File

@ -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,