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wlr_scene: Add WLR_SCENE_HIGHLIGHT_TRANSPARENT_REGION env

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This commit is contained in:
Alexander Orzechowski 2024-05-04 19:03:36 -04:00 committed by Kirill Primak
parent 8fdf9dc4f0
commit 53be443f39
3 changed files with 19 additions and 0 deletions
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4
docs/env_vars.md
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@ -58,6 +58,10 @@ wlroots reads these environment variables
* *WLR_SCENE_DISABLE_VISIBILITY*: If set to 1, the visibility of all scene nodes
will be considered to be the full node. Intelligent visibility canculations will
be disabled.
* *WLR_SCENE_HIGHLIGHT_TRANSPARENT_REGION*: Highlights regions of scene buffers
that are advertised as transparent through wlr_scene_buffer_set_opaque_region().
This can be used to debug issues with clients advertizing bogus opaque regions
with scene based compositors.
# Generic

1
include/wlr/types/wlr_scene.h
View File

@ -108,6 +108,7 @@ struct wlr_scene {
enum wlr_scene_debug_damage_option debug_damage_option;
bool direct_scanout;
bool calculate_visibility;
bool highlight_transparent_region;
};
/** A scene-graph node displaying a single surface. */

14
types/scene/wlr_scene.c
View File

@ -172,6 +172,7 @@ struct wlr_scene *wlr_scene_create(void) {
scene->debug_damage_option = env_parse_switch("WLR_SCENE_DEBUG_DAMAGE", debug_damage_options);
scene->direct_scanout = !env_parse_bool("WLR_SCENE_DISABLE_DIRECT_SCANOUT");
scene->calculate_visibility = !env_parse_bool("WLR_SCENE_DISABLE_VISIBILITY");
scene->highlight_transparent_region = env_parse_bool("WLR_SCENE_HIGHLIGHT_TRANSPARENT_REGION");
return scene;
}
@ -1164,6 +1165,7 @@ struct wlr_scene_node *wlr_scene_node_at(struct wlr_scene_node *node,
struct render_list_entry {
struct wlr_scene_node *node;
bool sent_dmabuf_feedback;
bool highlight_transparent_region;
int x, y;
};
@ -1249,6 +1251,15 @@ static void scene_entry_render(struct render_list_entry *entry, const struct ren
.direct_scanout = false,
};
wl_signal_emit_mutable(&scene_buffer->events.output_sample, &sample_event);
if (entry->highlight_transparent_region) {
wlr_render_pass_add_rect(data->render_pass, &(struct wlr_render_rect_options){
.box = dst_box,
.color = { .r = 0, .g = 0.3, .b = 0, .a = 0.3 },
.clip = &opaque,
});
}
break;
}
@ -1492,6 +1503,7 @@ struct render_list_constructor_data {
struct wlr_box box;
struct wl_array *render_list;
bool calculate_visibility;
bool highlight_transparent_region;
};
static bool construct_render_list_iterator(struct wlr_scene_node *node,
@ -1535,6 +1547,7 @@ static bool construct_render_list_iterator(struct wlr_scene_node *node,
.node = node,
.x = lx,
.y = ly,
.highlight_transparent_region = data->highlight_transparent_region,
};
return false;
@ -1759,6 +1772,7 @@ bool wlr_scene_output_build_state(struct wlr_scene_output *scene_output,
.box = render_data.logical,
.render_list = &scene_output->render_list,
.calculate_visibility = scene_output->scene->calculate_visibility,
.highlight_transparent_region = scene_output->scene->highlight_transparent_region,
};
list_con.render_list->size = 0;