mirror of
https://github.com/hyprwm/wlroots-hyprland.git
synced 2024-11-22 04:45:58 +01:00
wlr_scene: Rewrite direct scan out logic to rely on visibility
Also make the regular rendering logic use the introduced render list.
This commit is contained in:
Alexander Orzechowski
parent
14f4cfffba
commit
0a9a941ba3
2 changed files with 167 additions and 91 deletions
|
|
@ -158,6 +158,11 @@ struct wlr_scene_buffer {
|
|||
enum wl_output_transform transform;
|
||||
};
|
||||
|
||||
struct wlr_scene_output_render_list {
|
||||
struct wlr_scene_node **data;
|
||||
size_t capacity;
|
||||
};
|
||||
|
||||
/** A viewport for an output in the scene-graph */
|
||||
struct wlr_scene_output {
|
||||
struct wlr_output *output;
|
||||
|
|
@ -184,6 +189,8 @@ struct wlr_scene_output {
|
|||
struct wl_listener output_needs_frame;
|
||||
|
||||
struct wl_list damage_highlight_regions;
|
||||
|
||||
struct wlr_scene_output_render_list render_list;
|
||||
};
|
||||
|
||||
/** A layer shell scene helper */
|
||||
|
|
|
|||
|
|
@ -16,6 +16,7 @@
|
|||
#include "util/time.h"
|
||||
|
||||
#define HIGHLIGHT_DAMAGE_FADEOUT_TIME 250
|
||||
#define RENDER_LIST_MIN_ALLOCATION 8
|
||||
|
||||
static struct wlr_scene_tree *scene_tree_from_node(struct wlr_scene_node *node) {
|
||||
assert(node->type == WLR_SCENE_NODE_TREE);
|
||||
|
|
@ -967,15 +968,13 @@ static void render_texture(struct wlr_output *output,
|
|||
}
|
||||
}
|
||||
|
||||
struct render_data {
|
||||
struct wlr_scene_output *scene_output;
|
||||
pixman_region32_t *damage;
|
||||
};
|
||||
static void scene_node_render(struct wlr_scene_node *node,
|
||||
struct wlr_scene_output *scene_output, pixman_region32_t *damage) {
|
||||
int x, y;
|
||||
wlr_scene_node_coords(node, &x, &y);
|
||||
x -= scene_output->x;
|
||||
y -= scene_output->y;
|
||||
|
||||
static void render_node_iterator(struct wlr_scene_node *node,
|
||||
int x, int y, void *_data) {
|
||||
struct render_data *data = _data;
|
||||
struct wlr_scene_output *scene_output = data->scene_output;
|
||||
struct wlr_output *output = scene_output->output;
|
||||
|
||||
pixman_region32_t render_region;
|
||||
|
|
@ -983,7 +982,7 @@ static void render_node_iterator(struct wlr_scene_node *node,
|
|||
pixman_region32_copy(&render_region, &node->visible);
|
||||
pixman_region32_translate(&render_region, -scene_output->x, -scene_output->y);
|
||||
wlr_region_scale(&render_region, &render_region, output->scale);
|
||||
pixman_region32_intersect(&render_region, &render_region, data->damage);
|
||||
pixman_region32_intersect(&render_region, &render_region, damage);
|
||||
if (!pixman_region32_not_empty(&render_region)) {
|
||||
pixman_region32_fini(&render_region);
|
||||
return;
|
||||
|
|
@ -1035,27 +1034,6 @@ static void render_node_iterator(struct wlr_scene_node *node,
|
|||
pixman_region32_fini(&render_region);
|
||||
}
|
||||
|
||||
static void scene_node_for_each_node(struct wlr_scene_node *node,
|
||||
int lx, int ly, wlr_scene_node_iterator_func_t user_iterator,
|
||||
void *user_data) {
|
||||
if (!node->enabled) {
|
||||
return;
|
||||
}
|
||||
|
||||
lx += node->x;
|
||||
ly += node->y;
|
||||
|
||||
user_iterator(node, lx, ly, user_data);
|
||||
|
||||
if (node->type == WLR_SCENE_NODE_TREE) {
|
||||
struct wlr_scene_tree *scene_tree = scene_tree_from_node(node);
|
||||
struct wlr_scene_node *child;
|
||||
wl_list_for_each(child, &scene_tree->children, link) {
|
||||
scene_node_for_each_node(child, lx, ly, user_iterator, user_data);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
static void scene_handle_presentation_destroy(struct wl_listener *listener,
|
||||
void *data) {
|
||||
struct wlr_scene *scene =
|
||||
|
|
@ -1220,6 +1198,7 @@ void wlr_scene_output_destroy(struct wlr_scene_output *scene_output) {
|
|||
wl_list_remove(&scene_output->output_damage.link);
|
||||
wl_list_remove(&scene_output->output_needs_frame.link);
|
||||
|
||||
free(scene_output->render_list.data);
|
||||
free(scene_output);
|
||||
}
|
||||
|
||||
|
|
@ -1247,37 +1226,90 @@ void wlr_scene_output_set_position(struct wlr_scene_output *scene_output,
|
|||
scene_output_update_geometry(scene_output);
|
||||
}
|
||||
|
||||
struct check_scanout_data {
|
||||
// in
|
||||
struct wlr_box viewport_box;
|
||||
// out
|
||||
struct wlr_scene_node *node;
|
||||
size_t n;
|
||||
};
|
||||
static bool scene_node_invisible(struct wlr_scene_node *node) {
|
||||
if (node->type == WLR_SCENE_NODE_TREE) {
|
||||
return true;
|
||||
} else if (node->type == WLR_SCENE_NODE_RECT) {
|
||||
float *clear = (float[4]){ 0.f, 0.f, 0.f, 0.f };
|
||||
struct wlr_scene_rect *rect = scene_rect_from_node(node);
|
||||
|
||||
static void check_scanout_iterator(struct wlr_scene_node *node,
|
||||
int x, int y, void *_data) {
|
||||
struct check_scanout_data *data = _data;
|
||||
return memcmp(rect->color, clear, sizeof(float) * 4) == 0;
|
||||
} else if (node->type == WLR_SCENE_NODE_BUFFER) {
|
||||
struct wlr_scene_buffer *buffer = wlr_scene_buffer_from_node(node);
|
||||
|
||||
struct wlr_box node_box = { .x = x, .y = y };
|
||||
scene_node_get_size(node, &node_box.width, &node_box.height);
|
||||
|
||||
struct wlr_box intersection;
|
||||
if (!wlr_box_intersection(&intersection, &data->viewport_box, &node_box)) {
|
||||
return;
|
||||
return buffer->buffer == NULL;
|
||||
}
|
||||
|
||||
data->n++;
|
||||
return false;
|
||||
}
|
||||
|
||||
if (data->viewport_box.x == node_box.x &&
|
||||
data->viewport_box.y == node_box.y &&
|
||||
data->viewport_box.width == node_box.width &&
|
||||
data->viewport_box.height == node_box.height) {
|
||||
data->node = node;
|
||||
static size_t max(size_t fst, size_t snd) {
|
||||
if (fst > snd) {
|
||||
return fst;
|
||||
} else {
|
||||
return snd;
|
||||
}
|
||||
}
|
||||
|
||||
static bool scene_output_scanout(struct wlr_scene_output *scene_output) {
|
||||
struct render_list_constructor_data {
|
||||
struct wlr_box box;
|
||||
struct wlr_scene_output_render_list *render_list;
|
||||
size_t size;
|
||||
};
|
||||
|
||||
static bool construct_render_list_iterator(struct wlr_scene_node *node,
|
||||
int lx, int ly, void *_data) {
|
||||
struct render_list_constructor_data *data = _data;
|
||||
|
||||
if (scene_node_invisible(node)) {
|
||||
return false;
|
||||
}
|
||||
|
||||
// while rendering, the background should always be black.
|
||||
// If we see a black rect, we can ignore rendering everything under the rect
|
||||
// and even the rect itself.
|
||||
if (node->type == WLR_SCENE_NODE_RECT) {
|
||||
struct wlr_scene_rect *rect = scene_rect_from_node(node);
|
||||
float *black = (float[4]){ 1.f, 1.f, 1.f, 1.f };
|
||||
|
||||
if (memcmp(rect->color, black, sizeof(float) * 4) == 0) {
|
||||
return false;
|
||||
}
|
||||
}
|
||||
|
||||
pixman_region32_t intersection;
|
||||
pixman_region32_init(&intersection);
|
||||
pixman_region32_intersect_rect(&intersection, &node->visible,
|
||||
data->box.x, data->box.y,
|
||||
data->box.width, data->box.height);
|
||||
if (!pixman_region32_not_empty(&intersection)) {
|
||||
pixman_region32_fini(&intersection);
|
||||
return false;
|
||||
}
|
||||
|
||||
pixman_region32_fini(&intersection);
|
||||
|
||||
if (data->size == data->render_list->capacity) {
|
||||
size_t alloc_size =
|
||||
max(data->render_list->capacity * 2, RENDER_LIST_MIN_ALLOCATION);
|
||||
void *alloc = realloc(data->render_list->data, alloc_size
|
||||
* sizeof(struct wlr_scene_node *));
|
||||
|
||||
if (alloc) {
|
||||
data->render_list->data = alloc;
|
||||
data->render_list->capacity = alloc_size;
|
||||
}
|
||||
}
|
||||
|
||||
if (data->size < data->render_list->capacity) {
|
||||
data->render_list->data[data->size++] = node;
|
||||
}
|
||||
|
||||
return false;
|
||||
}
|
||||
|
||||
static bool scene_node_try_direct_scanout(struct wlr_scene_node *node,
|
||||
struct wlr_scene_output *scene_output, struct wlr_box *box) {
|
||||
if (!scene_output->scene->direct_scanout) {
|
||||
return false;
|
||||
}
|
||||
|
|
@ -1289,50 +1321,64 @@ static bool scene_output_scanout(struct wlr_scene_output *scene_output) {
|
|||
return false;
|
||||
}
|
||||
|
||||
if (node->type != WLR_SCENE_NODE_BUFFER) {
|
||||
return false;
|
||||
}
|
||||
|
||||
struct wlr_scene_buffer *buffer = wlr_scene_buffer_from_node(node);
|
||||
struct wlr_output *output = scene_output->output;
|
||||
|
||||
struct wlr_box viewport_box = { .x = scene_output->x, .y = scene_output->y };
|
||||
wlr_output_effective_resolution(output,
|
||||
&viewport_box.width, &viewport_box.height);
|
||||
struct wlr_fbox default_box = {0};
|
||||
if (buffer->transform & WL_OUTPUT_TRANSFORM_90) {
|
||||
default_box.width = buffer->buffer->height;
|
||||
default_box.height = buffer->buffer->width;
|
||||
} else {
|
||||
default_box.width = buffer->buffer->width;
|
||||
default_box.height = buffer->buffer->height;
|
||||
}
|
||||
|
||||
struct check_scanout_data check_scanout_data = {
|
||||
.viewport_box = viewport_box,
|
||||
};
|
||||
scene_node_for_each_node(&scene_output->scene->tree.node, 0, 0,
|
||||
check_scanout_iterator, &check_scanout_data);
|
||||
if (check_scanout_data.n != 1 || check_scanout_data.node == NULL) {
|
||||
if (!wlr_fbox_empty(&buffer->src_box) &&
|
||||
memcmp(&buffer->src_box, &default_box, sizeof(default_box)) != 0) {
|
||||
return false;
|
||||
}
|
||||
|
||||
struct wlr_scene_node *node = check_scanout_data.node;
|
||||
struct wlr_buffer *buffer;
|
||||
switch (node->type) {
|
||||
case WLR_SCENE_NODE_BUFFER:;
|
||||
struct wlr_scene_buffer *scene_buffer = wlr_scene_buffer_from_node(node);
|
||||
if (scene_buffer->buffer == NULL ||
|
||||
!wlr_fbox_empty(&scene_buffer->src_box) ||
|
||||
scene_buffer->transform != output->transform) {
|
||||
return false;
|
||||
}
|
||||
buffer = scene_buffer->buffer;
|
||||
break;
|
||||
default:
|
||||
if (buffer->transform != output->transform) {
|
||||
return false;
|
||||
}
|
||||
|
||||
wlr_output_attach_buffer(output, buffer);
|
||||
struct wlr_box node_box;
|
||||
wlr_scene_node_coords(node, &node_box.x, &node_box.y);
|
||||
scene_node_get_size(node, &node_box.width, &node_box.height);
|
||||
|
||||
if (node_box.x != box->x ||
|
||||
node_box.y != box->y ||
|
||||
node_box.width != box->width ||
|
||||
node_box.height != box->height) {
|
||||
return false;
|
||||
}
|
||||
|
||||
wlr_output_attach_buffer(output, buffer->buffer);
|
||||
if (!wlr_output_test(output)) {
|
||||
wlr_output_rollback(output);
|
||||
return false;
|
||||
}
|
||||
|
||||
if (node->type == WLR_SCENE_NODE_BUFFER) {
|
||||
struct wlr_scene_buffer *scene_buffer =
|
||||
wlr_scene_buffer_from_node(node);
|
||||
wlr_signal_emit_safe(&scene_buffer->events.output_present, scene_output);
|
||||
return wlr_output_commit(output);
|
||||
}
|
||||
|
||||
static void compact_render_list(struct wlr_scene_output_render_list *list, size_t size) {
|
||||
assert(size <= list->capacity);
|
||||
|
||||
size_t alloc_size = max(RENDER_LIST_MIN_ALLOCATION, size);
|
||||
if (alloc_size == list->capacity) {
|
||||
return;
|
||||
}
|
||||
|
||||
return wlr_output_commit(output);
|
||||
void *alloc = realloc(list->data, alloc_size * sizeof(struct wlr_scene_node *));
|
||||
if (alloc) {
|
||||
list->data = alloc;
|
||||
list->capacity = alloc_size;
|
||||
}
|
||||
}
|
||||
|
||||
bool wlr_scene_output_commit(struct wlr_scene_output *scene_output) {
|
||||
|
|
@ -1343,15 +1389,40 @@ bool wlr_scene_output_commit(struct wlr_scene_output *scene_output) {
|
|||
struct wlr_renderer *renderer = output->renderer;
|
||||
assert(renderer != NULL);
|
||||
|
||||
bool scanout = scene_output_scanout(scene_output);
|
||||
if (scanout != scene_output->prev_scanout) {
|
||||
struct render_list_constructor_data list_con = {
|
||||
.box = { .x = scene_output->x, .y = scene_output->y },
|
||||
.render_list = &scene_output->render_list,
|
||||
.size = 0,
|
||||
};
|
||||
wlr_output_effective_resolution(output,
|
||||
&list_con.box.width, &list_con.box.height);
|
||||
|
||||
scene_nodes_in_box(&scene_output->scene->tree.node, &list_con.box,
|
||||
construct_render_list_iterator, &list_con);
|
||||
compact_render_list(list_con.render_list, list_con.size);
|
||||
|
||||
// if there is only one thing to render let's see if that thing can be
|
||||
// directly scanned out
|
||||
bool scanout = false;
|
||||
if (list_con.size == 1) {
|
||||
struct wlr_scene_node *node = list_con.render_list->data[0];
|
||||
scanout = scene_node_try_direct_scanout(node, scene_output, &list_con.box);
|
||||
}
|
||||
|
||||
if (scene_output->prev_scanout != scanout) {
|
||||
scene_output->prev_scanout = scanout;
|
||||
wlr_log(WLR_DEBUG, "Direct scan-out %s",
|
||||
scanout ? "enabled" : "disabled");
|
||||
// When exiting direct scan-out, damage everything
|
||||
wlr_damage_ring_add_whole(&scene_output->damage_ring);
|
||||
}
|
||||
scene_output->prev_scanout = scanout;
|
||||
|
||||
if (scanout) {
|
||||
struct wlr_scene_node *node = list_con.render_list->data[0];
|
||||
|
||||
assert(node->type == WLR_SCENE_NODE_BUFFER);
|
||||
struct wlr_scene_buffer *buffer = wlr_scene_buffer_from_node(node);
|
||||
wlr_signal_emit_safe(&buffer->events.output_present, scene_output);
|
||||
return true;
|
||||
}
|
||||
|
||||
|
|
@ -1423,13 +1494,11 @@ bool wlr_scene_output_commit(struct wlr_scene_output *scene_output) {
|
|||
wlr_renderer_clear(renderer, (float[4]){ 0.0, 0.0, 0.0, 1.0 });
|
||||
}
|
||||
|
||||
struct render_data data = {
|
||||
.scene_output = scene_output,
|
||||
.damage = &damage,
|
||||
};
|
||||
scene_node_for_each_node(&scene_output->scene->tree.node,
|
||||
-scene_output->x, -scene_output->y,
|
||||
render_node_iterator, &data);
|
||||
for (int i = list_con.size - 1; i >= 0; i--) {
|
||||
struct wlr_scene_node *node = list_con.render_list->data[i];
|
||||
scene_node_render(node, scene_output, &damage);
|
||||
}
|
||||
|
||||
wlr_renderer_scissor(renderer, NULL);
|
||||
|
||||
if (debug_damage == WLR_SCENE_DEBUG_DAMAGE_HIGHLIGHT) {
|
||||
|
|
|
|||
Loading…
Reference in a new issue