Add support for linux-dmabuf surface hints

References: https://gitlab.freedesktop.org/wlroots/wlroots/-/merge_requests/1376
This commit is contained in:
Simon Ser 2021-06-07 18:58:20 +02:00 committed by Simon Zeni
parent 8a3026337f
commit 4732325f59
4 changed files with 95 additions and 1 deletions

View File

@ -41,6 +41,8 @@ struct sway_server {
struct wlr_compositor *compositor;
struct wl_listener compositor_new_surface;
struct wlr_linux_dmabuf_v1 *linux_dmabuf_v1;
struct wlr_data_device_manager *data_device_manager;
struct sway_input_manager *input;

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@ -15,6 +15,7 @@ protocols = [
[wl_protocol_dir, 'unstable/xdg-output/xdg-output-unstable-v1.xml'],
[wl_protocol_dir, 'unstable/pointer-constraints/pointer-constraints-unstable-v1.xml'],
[wl_protocol_dir, 'unstable/tablet/tablet-unstable-v2.xml'],
[wl_protocol_dir, 'unstable/linux-dmabuf/linux-dmabuf-unstable-v1.xml'],
['wlr-layer-shell-unstable-v1.xml'],
['idle.xml'],
['wlr-input-inhibitor-unstable-v1.xml'],

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@ -13,10 +13,12 @@
#include <wlr/types/wlr_compositor.h>
#include <wlr/types/wlr_data_control_v1.h>
#include <wlr/types/wlr_drm_lease_v1.h>
#include <wlr/types/wlr_drm.h>
#include <wlr/types/wlr_export_dmabuf_v1.h>
#include <wlr/types/wlr_gamma_control_v1.h>
#include <wlr/types/wlr_idle.h>
#include <wlr/types/wlr_layer_shell_v1.h>
#include <wlr/types/wlr_linux_dmabuf_v1.h>
#include <wlr/types/wlr_pointer_constraints_v1.h>
#include <wlr/types/wlr_primary_selection_v1.h>
#include <wlr/types/wlr_relative_pointer_v1.h>
@ -78,7 +80,13 @@ bool server_init(struct sway_server *server) {
return false;
}
wlr_renderer_init_wl_display(server->renderer, server->wl_display);
wlr_renderer_init_wl_shm(server->renderer, server->wl_display);
if (wlr_renderer_get_dmabuf_texture_formats(server->renderer) != NULL) {
wlr_drm_create(server->wl_display, server->renderer);
server->linux_dmabuf_v1 =
wlr_linux_dmabuf_v1_create(server->wl_display, server->renderer);
}
server->allocator = wlr_allocator_autocreate(server->backend,
server->renderer);

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@ -5,8 +5,12 @@
#include <stdlib.h>
#include <string.h>
#include <strings.h>
#include <sys/stat.h>
#include <wayland-server-core.h>
#include <wlr/types/wlr_linux_dmabuf_v1.h>
#include <wlr/types/wlr_output_layout.h>
#include <wlr/render/drm_format_set.h>
#include "linux-dmabuf-unstable-v1-protocol.h"
#include "cairo_util.h"
#include "pango.h"
#include "sway/config.h"
@ -1051,6 +1055,16 @@ void container_end_mouse_operation(struct sway_container *container) {
}
}
static bool devid_from_fd(int fd, dev_t *devid) {
struct stat stat;
if (fstat(fd, &stat) != 0) {
sway_log_errno(SWAY_ERROR, "fstat failed");
return false;
}
*devid = stat.st_rdev;
return true;
}
static void set_fullscreen(struct sway_container *con, bool enable) {
if (!con->view) {
return;
@ -1062,6 +1076,75 @@ static void set_fullscreen(struct sway_container *con, bool enable) {
con->view->foreign_toplevel, enable);
}
}
if (!server.linux_dmabuf_v1 || !con->view->surface) {
return;
}
if (!enable) {
wlr_linux_dmabuf_v1_set_surface_feedback(server.linux_dmabuf_v1,
con->view->surface, NULL);
return;
}
if (!con->pending.workspace || !con->pending.workspace->output) {
return;
}
struct sway_output *output = con->pending.workspace->output;
struct wlr_output *wlr_output = output->wlr_output;
// TODO: add wlroots helpers for all of this stuff
const struct wlr_drm_format_set *renderer_formats =
wlr_renderer_get_dmabuf_texture_formats(server.renderer);
assert(renderer_formats);
int renderer_drm_fd = wlr_renderer_get_drm_fd(server.renderer);
int backend_drm_fd = wlr_backend_get_drm_fd(wlr_output->backend);
if (renderer_drm_fd < 0 || backend_drm_fd < 0) {
return;
}
dev_t render_dev, scanout_dev;
if (!devid_from_fd(renderer_drm_fd, &render_dev) ||
!devid_from_fd(backend_drm_fd, &scanout_dev)) {
return;
}
const struct wlr_drm_format_set *output_formats =
wlr_output_get_primary_formats(output->wlr_output,
WLR_BUFFER_CAP_DMABUF);
if (!output_formats) {
return;
}
struct wlr_drm_format_set scanout_formats = {0};
if (!wlr_drm_format_set_intersect(&scanout_formats,
output_formats, renderer_formats)) {
return;
}
struct wlr_linux_dmabuf_feedback_v1_tranche tranches[] = {
{
.target_device = scanout_dev,
.flags = ZWP_LINUX_DMABUF_FEEDBACK_V1_TRANCHE_FLAGS_SCANOUT,
.formats = &scanout_formats,
},
{
.target_device = render_dev,
.formats = renderer_formats,
},
};
const struct wlr_linux_dmabuf_feedback_v1 feedback = {
.main_device = render_dev,
.tranches = tranches,
.tranches_len = sizeof(tranches) / sizeof(tranches[0]),
};
wlr_linux_dmabuf_v1_set_surface_feedback(server.linux_dmabuf_v1,
con->view->surface, &feedback);
wlr_drm_format_set_finish(&scanout_formats);
}
static void container_fullscreen_workspace(struct sway_container *con) {