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wlr_scene: Simplify direct scanout handling

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By adding a sent_feedback bool into the list entry that we can mutate
we no longer need to maintain this `sent_direct_scanout_feedback` variable.

sent_feedback will also be useful for output layers.
This commit is contained in:
Alexander Orzechowski 2023-06-30 18:48:51 -04:00 committed by Simon Ser
parent 9613b3bc8a
commit 48f2a7a3a1
1 changed files with 19 additions and 35 deletions
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54
types/scene/wlr_scene.c
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@ -1396,6 +1396,7 @@ struct render_list_constructor_data {
struct render_list_entry {
struct wlr_scene_node *node;
bool sent_dmabuf_feedback;
};
static bool construct_render_list_iterator(struct wlr_scene_node *node,
@ -1442,7 +1443,7 @@ static bool construct_render_list_iterator(struct wlr_scene_node *node,
return false;
}
static void get_frame_damage(struct wlr_scene_output *scene_output, pixman_region32_t *frame_damage) {
static void get_frame_damage(const struct wlr_scene_output *scene_output, pixman_region32_t *frame_damage) {
struct wlr_output *output = scene_output->output;
int tr_width, tr_height;
@ -1488,10 +1489,10 @@ static void scene_buffer_send_dmabuf_feedback(const struct wlr_scene *scene,
wlr_linux_dmabuf_feedback_v1_finish(&feedback);
}
static bool scene_buffer_can_consider_direct_scanout(struct wlr_scene_buffer *buffer,
static bool scene_entry_try_direct_scanout(struct render_list_entry *entry,
struct wlr_output_state *state, const struct render_data *data) {
const struct wlr_scene_output *scene_output = data->output;
struct wlr_scene_node *node = &buffer->node;
struct wlr_scene_output *scene_output = data->output;
struct wlr_scene_node *node = entry->node;
if (!scene_output->scene->direct_scanout) {
return false;
@ -1519,6 +1520,8 @@ static bool scene_buffer_can_consider_direct_scanout(struct wlr_scene_buffer *bu
return false;
}
struct wlr_scene_buffer *buffer = wlr_scene_buffer_from_node(node);
struct wlr_fbox default_box = {0};
if (buffer->transform & WL_OUTPUT_TRANSFORM_90) {
default_box.width = buffer->buffer->height;
@ -1545,11 +1548,16 @@ static bool scene_buffer_can_consider_direct_scanout(struct wlr_scene_buffer *bu
return false;
}
return true;
}
if (buffer->primary_output == scene_output) {
struct wlr_linux_dmabuf_feedback_v1_init_options options = {
.main_renderer = scene_output->output->renderer,
.scanout_primary_output = scene_output->output,
};
scene_buffer_send_dmabuf_feedback(scene_output->scene, buffer, &options);
entry->sent_dmabuf_feedback = true;
}
static bool scene_buffer_try_direct_scanout(struct wlr_scene_buffer *buffer,
struct wlr_scene_output *scene_output, struct wlr_output_state *state) {
struct wlr_output_state pending;
wlr_output_state_init(&pending);
if (!wlr_output_state_copy(&pending, state)) {
@ -1660,32 +1668,8 @@ bool wlr_scene_output_build_state(struct wlr_scene_output *scene_output,
struct render_list_entry *list_data = list_con.render_list->data;
int list_len = list_con.render_list->size / sizeof(*list_data);
bool sent_direct_scanout_feedback = false;
// if there is only one thing to render let's see if that thing can be
// directly scanned out
bool scanout = false;
if (list_len == 1) {
struct render_list_entry *entry = &list_data[0];
if (entry->node->type == WLR_SCENE_NODE_BUFFER) {
struct wlr_scene_buffer *buffer = wlr_scene_buffer_from_node(entry->node);
if (scene_buffer_can_consider_direct_scanout(buffer, state, &render_data)) {
if (buffer->primary_output == scene_output) {
struct wlr_linux_dmabuf_feedback_v1_init_options options = {
.main_renderer = output->renderer,
.scanout_primary_output = output,
};
scene_buffer_send_dmabuf_feedback(scene_output->scene, buffer, &options);
sent_direct_scanout_feedback = true;
}
scanout = scene_buffer_try_direct_scanout(buffer, scene_output, state);
}
}
}
bool scanout = list_len == 1 &&
scene_entry_try_direct_scanout(&list_data[0], state, &render_data);
if (scene_output->prev_scanout != scanout) {
scene_output->prev_scanout = scanout;
@ -1822,7 +1806,7 @@ bool wlr_scene_output_build_state(struct wlr_scene_output *scene_output,
if (entry->node->type == WLR_SCENE_NODE_BUFFER) {
struct wlr_scene_buffer *buffer = wlr_scene_buffer_from_node(entry->node);
if (buffer->primary_output == scene_output && !sent_direct_scanout_feedback) {
if (buffer->primary_output == scene_output && !entry->sent_dmabuf_feedback) {
struct wlr_linux_dmabuf_feedback_v1_init_options options = {
.main_renderer = output->renderer,
.scanout_primary_output = NULL,