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scene: add timeline point to wlr_scene_buffer_set_buffer() options

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This commit is contained in:
Simon Ser 2024-04-03 14:32:30 +02:00
parent 48f0902a36
commit c7035da5e2
2 changed files with 28 additions and 0 deletions
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7
include/wlr/types/wlr_scene.h
View File

@ -191,6 +191,9 @@ struct wlr_scene_buffer {
int buffer_width, buffer_height;
bool buffer_is_opaque;
struct wlr_drm_syncobj_timeline *wait_timeline;
uint64_t wait_point;
struct wl_listener buffer_release;
struct wl_listener renderer_destroy;
};
@ -411,6 +414,10 @@ struct wlr_scene_buffer_set_buffer_options {
// The damage region is in buffer-local coordinates. If the region is NULL,
// the whole buffer node will be damaged.
const pixman_region32_t *damage;
// Wait for a timeline synchronization point before reading from the buffer.
struct wlr_drm_syncobj_timeline *wait_timeline;
uint64_t wait_point;
};
/**

21
types/scene/wlr_scene.c
View File

@ -3,6 +3,7 @@
#include <string.h>
#include <wlr/backend.h>
#include <wlr/render/swapchain.h>
#include <wlr/render/drm_syncobj.h>
#include <wlr/render/wlr_renderer.h>
#include <wlr/types/wlr_compositor.h>
#include <wlr/types/wlr_damage_ring.h>
@ -117,6 +118,7 @@ void wlr_scene_node_destroy(struct wlr_scene_node *node) {
scene_buffer_set_buffer(scene_buffer, NULL);
scene_buffer_set_texture(scene_buffer, NULL);
pixman_region32_fini(&scene_buffer->opaque_region);
wlr_drm_syncobj_timeline_unref(scene_buffer->wait_timeline);
} else if (node->type == WLR_SCENE_NODE_TREE) {
struct wlr_scene_tree *scene_tree = wlr_scene_tree_from_node(node);
@ -661,6 +663,18 @@ static void scene_buffer_set_texture(struct wlr_scene_buffer *scene_buffer,
}
}
static void scene_buffer_set_wait_timeline(struct wlr_scene_buffer *scene_buffer,
struct wlr_drm_syncobj_timeline *timeline, uint64_t point) {
wlr_drm_syncobj_timeline_unref(scene_buffer->wait_timeline);
if (timeline != NULL) {
scene_buffer->wait_timeline = wlr_drm_syncobj_timeline_ref(timeline);
scene_buffer->wait_point = point;
} else {
scene_buffer->wait_timeline = NULL;
scene_buffer->wait_point = 0;
}
}
struct wlr_scene_buffer *wlr_scene_buffer_create(struct wlr_scene_tree *parent,
struct wlr_buffer *buffer) {
struct wlr_scene_buffer *scene_buffer = calloc(1, sizeof(*scene_buffer));
@ -717,6 +731,8 @@ void wlr_scene_buffer_set_buffer_with_options(struct wlr_scene_buffer *scene_buf
scene_buffer_set_buffer(scene_buffer, buffer);
scene_buffer_set_texture(scene_buffer, NULL);
scene_buffer_set_wait_timeline(scene_buffer,
options->wait_timeline, options->wait_point);
if (update) {
scene_node_update(&scene_buffer->node, NULL);
@ -1259,6 +1275,8 @@ static void scene_entry_render(struct render_list_entry *entry, const struct ren
.blend_mode = !data->output->scene->calculate_visibility ||
pixman_region32_not_empty(&opaque) ?
WLR_RENDER_BLEND_MODE_PREMULTIPLIED : WLR_RENDER_BLEND_MODE_NONE,
.wait_timeline = scene_buffer->wait_timeline,
.wait_point = scene_buffer->wait_point,
});
struct wlr_scene_output_sample_event sample_event = {
@ -1687,6 +1705,9 @@ static bool scene_entry_try_direct_scanout(struct render_list_entry *entry,
}
wlr_output_state_set_buffer(&pending, buffer->buffer);
if (buffer->wait_timeline != NULL) {
wlr_output_state_set_wait_timeline(&pending, buffer->wait_timeline, buffer->wait_point);
}
if (!wlr_output_test_state(scene_output->output, &pending)) {
wlr_output_state_finish(&pending);