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wlr_scene: Manage textures through a raster

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This commit is contained in:
Alexander Orzechowski 2024-09-14 16:44:57 -04:00
parent a9458c5bc7
commit c218683adf
2 changed files with 38 additions and 92 deletions
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12
include/wlr/types/wlr_scene.h
View file

@ -35,6 +35,7 @@ struct wlr_xdg_surface;
struct wlr_layer_surface_v1;
struct wlr_drag_icon;
struct wlr_surface;
struct wlr_raster;
struct wlr_scene_node;
struct wlr_scene_buffer;
@ -158,6 +159,7 @@ struct wlr_scene_buffer {
// May be NULL
struct wlr_buffer *buffer;
struct wlr_raster *raster;
struct {
struct wl_signal outputs_update; // struct wlr_scene_outputs_update_event
@ -188,15 +190,9 @@ struct wlr_scene_buffer {
// private state
uint64_t active_outputs;
struct wlr_texture *texture;
struct wlr_linux_dmabuf_feedback_v1_init_options prev_feedback_options;
bool own_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;
@ -427,7 +423,7 @@ struct wlr_scene_buffer *wlr_scene_buffer_create(struct wlr_scene_tree *parent,
struct wlr_buffer *buffer);
/**
* Sets the buffer's backing buffer.
* Sets the buffer's backing raster.
*
* If the buffer is NULL, the buffer node will not be displayed.
*/
@ -435,7 +431,7 @@ void wlr_scene_buffer_set_buffer(struct wlr_scene_buffer *scene_buffer,
struct wlr_buffer *buffer);
/**
* Sets the buffer's backing buffer with a custom damage region.
* Sets the buffer's backing raster with a custom damage region.
*
* The damage region is in buffer-local coordinates. If the region is NULL,
* the whole buffer node will be damaged.

118
types/scene/wlr_scene.c
View file

@ -10,6 +10,7 @@
#include <wlr/types/wlr_gamma_control_v1.h>
#include <wlr/types/wlr_linux_dmabuf_v1.h>
#include <wlr/types/wlr_presentation_time.h>
#include <wlr/types/wlr_raster.h>
#include <wlr/types/wlr_scene.h>
#include <wlr/util/log.h>
#include <wlr/util/region.h>
@ -91,8 +92,6 @@ struct highlight_region {
static void scene_buffer_set_buffer(struct wlr_scene_buffer *scene_buffer,
struct wlr_buffer *buffer);
static void scene_buffer_set_texture(struct wlr_scene_buffer *scene_buffer,
struct wlr_texture *texture);
void wlr_scene_node_destroy(struct wlr_scene_node *node) {
if (node == NULL) {
@ -123,9 +122,8 @@ void wlr_scene_node_destroy(struct wlr_scene_node *node) {
}
scene_buffer_set_buffer(scene_buffer, NULL);
scene_buffer_set_texture(scene_buffer, NULL);
wlr_raster_unlock(scene_buffer->raster);
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);
@ -259,7 +257,7 @@ static void scene_node_opaque_region(struct wlr_scene_node *node, int x, int y,
} else if (node->type == WLR_SCENE_NODE_BUFFER) {
struct wlr_scene_buffer *scene_buffer = wlr_scene_buffer_from_node(node);
if (!scene_buffer->buffer) {
if (!scene_buffer->raster) {
return;
}
@ -267,7 +265,7 @@ static void scene_node_opaque_region(struct wlr_scene_node *node, int x, int y,
return;
}
if (!scene_buffer->buffer_is_opaque) {
if (!scene_buffer->raster->opaque) {
pixman_region32_copy(opaque, &scene_buffer->opaque_region);
pixman_region32_intersect_rect(opaque, opaque, 0, 0, width, height);
pixman_region32_translate(opaque, x, y);
@ -748,9 +746,6 @@ static void scene_buffer_set_buffer(struct wlr_scene_buffer *scene_buffer,
wlr_buffer_unlock(scene_buffer->buffer);
}
scene_buffer->buffer = NULL;
scene_buffer->own_buffer = false;
scene_buffer->buffer_width = scene_buffer->buffer_height = 0;
scene_buffer->buffer_is_opaque = false;
if (!buffer) {
return;
@ -758,46 +753,11 @@ static void scene_buffer_set_buffer(struct wlr_scene_buffer *scene_buffer,
scene_buffer->own_buffer = true;
scene_buffer->buffer = wlr_buffer_lock(buffer);
scene_buffer->buffer_width = buffer->width;
scene_buffer->buffer_height = buffer->height;
scene_buffer->buffer_is_opaque = buffer_is_opaque(buffer);
scene_buffer->buffer_release.notify = scene_buffer_handle_buffer_release;
wl_signal_add(&buffer->events.release, &scene_buffer->buffer_release);
}
static void scene_buffer_handle_renderer_destroy(struct wl_listener *listener,
void *data) {
struct wlr_scene_buffer *scene_buffer = wl_container_of(listener, scene_buffer, renderer_destroy);
scene_buffer_set_texture(scene_buffer, NULL);
}
static void scene_buffer_set_texture(struct wlr_scene_buffer *scene_buffer,
struct wlr_texture *texture) {
wl_list_remove(&scene_buffer->renderer_destroy.link);
wlr_texture_destroy(scene_buffer->texture);
scene_buffer->texture = texture;
if (texture != NULL) {
scene_buffer->renderer_destroy.notify = scene_buffer_handle_renderer_destroy;
wl_signal_add(&texture->renderer->events.destroy, &scene_buffer->renderer_destroy);
} else {
wl_list_init(&scene_buffer->renderer_destroy.link);
}
}
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));
@ -816,6 +776,7 @@ struct wlr_scene_buffer *wlr_scene_buffer_create(struct wlr_scene_tree *parent,
wl_list_init(&scene_buffer->buffer_release.link);
wl_list_init(&scene_buffer->renderer_destroy.link);
scene_buffer->opacity = 1;
scene_buffer->raster = buffer ? wlr_raster_create(buffer, NULL) : NULL;
scene_buffer_set_buffer(scene_buffer, buffer);
scene_node_update(&scene_buffer->node, NULL);
@ -836,7 +797,7 @@ void wlr_scene_buffer_set_buffer_with_options(struct wlr_scene_buffer *scene_buf
assert(buffer || !options->damage);
bool mapped = buffer != NULL;
bool prev_mapped = scene_buffer->buffer != NULL || scene_buffer->texture != NULL;
bool prev_mapped = scene_buffer->raster != NULL;
if (!mapped && !prev_mapped) {
// unmapping already unmapped buffer - noop
@ -848,14 +809,20 @@ void wlr_scene_buffer_set_buffer_with_options(struct wlr_scene_buffer *scene_buf
// produce we need to update the node.
bool update = mapped != prev_mapped;
if (buffer != NULL && scene_buffer->dst_width == 0 && scene_buffer->dst_height == 0) {
update = update || scene_buffer->buffer_width != buffer->width ||
scene_buffer->buffer_height != buffer->height;
update = update || (int)scene_buffer->raster->width != buffer->width ||
(int)scene_buffer->raster->height != buffer->height;
}
wlr_raster_unlock(scene_buffer->raster);
scene_buffer->raster = NULL;
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 (buffer) {
scene_buffer->raster = wlr_raster_create(buffer, &(struct wlr_raster_create_options) {
.wait_timeline = options->wait_timeline,
.wait_point = options->wait_point,
});
}
if (update) {
scene_node_update(&scene_buffer->node, NULL);
@ -1049,28 +1016,6 @@ void wlr_scene_buffer_set_filter_mode(struct wlr_scene_buffer *scene_buffer,
scene_node_update(&scene_buffer->node, NULL);
}
static struct wlr_texture *scene_buffer_get_texture(
struct wlr_scene_buffer *scene_buffer, struct wlr_renderer *renderer) {
if (scene_buffer->buffer == NULL || scene_buffer->texture != NULL) {
return scene_buffer->texture;
}
struct wlr_client_buffer *client_buffer =
wlr_client_buffer_get(scene_buffer->buffer);
if (client_buffer != NULL) {
return client_buffer->texture;
}
struct wlr_texture *texture =
wlr_texture_from_buffer(renderer, scene_buffer->buffer);
if (texture != NULL && scene_buffer->own_buffer) {
scene_buffer->own_buffer = false;
wlr_buffer_unlock(scene_buffer->buffer);
}
scene_buffer_set_texture(scene_buffer, texture);
return texture;
}
static void scene_node_get_size(struct wlr_scene_node *node,
int *width, int *height) {
*width = 0;
@ -1089,9 +1034,9 @@ static void scene_node_get_size(struct wlr_scene_node *node,
if (scene_buffer->dst_width > 0 && scene_buffer->dst_height > 0) {
*width = scene_buffer->dst_width;
*height = scene_buffer->dst_height;
} else {
*width = scene_buffer->buffer_width;
*height = scene_buffer->buffer_height;
} else if (scene_buffer->raster) {
*width = scene_buffer->raster->width;
*height = scene_buffer->raster->height;
wlr_output_transform_coords(scene_buffer->transform, width, height);
}
break;
@ -1374,8 +1319,12 @@ static void scene_entry_render(struct render_list_entry *entry, const struct ren
case WLR_SCENE_NODE_BUFFER:;
struct wlr_scene_buffer *scene_buffer = wlr_scene_buffer_from_node(node);
struct wlr_texture *texture = scene_buffer_get_texture(scene_buffer,
data->output->output->renderer);
struct wlr_texture *texture = NULL;
if (scene_buffer->raster) {
texture = wlr_raster_obtain_texture(scene_buffer->raster,
data->output->output->renderer);
}
if (texture == NULL) {
scene_output_damage(data->output, &render_region);
break;
@ -1396,8 +1345,8 @@ 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,
.wait_timeline = scene_buffer->raster->wait_timeline,
.wait_point = scene_buffer->raster->wait_point,
});
struct wlr_scene_output_sample_event sample_event = {
@ -1700,7 +1649,7 @@ static bool scene_node_invisible(struct wlr_scene_node *node) {
} else if (node->type == WLR_SCENE_NODE_BUFFER) {
struct wlr_scene_buffer *buffer = wlr_scene_buffer_from_node(node);
return buffer->buffer == NULL && buffer->texture == NULL;
return buffer->raster == NULL;
}
return false;
@ -1823,8 +1772,8 @@ static bool scene_entry_try_direct_scanout(struct render_list_entry *entry,
return false;
}
int default_width = buffer->buffer->width;
int default_height = buffer->buffer->height;
int default_width = buffer->raster->width;
int default_height = buffer->raster->height;
wlr_output_transform_coords(buffer->transform, &default_width, &default_height);
struct wlr_fbox default_box = {
.width = default_width,
@ -1864,8 +1813,9 @@ 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 (buffer->raster->wait_timeline != NULL) {
wlr_output_state_set_wait_timeline(&pending,
buffer->raster->wait_timeline, buffer->raster->wait_point);
}
if (!wlr_output_test_state(scene_output->output, &pending)) {