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output: add wlr_output_add_software_cursors_to_render_pass()

Browse source 
Same as wlr_output_render_software_cursors(), but takes a
struct wlr_render_pass.
This commit is contained in:
Simon Ser 2023-01-30 16:39:16 +01:00
parent 471249ae4f
commit 587852056c
2 changed files with 64 additions and 0 deletions
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8
include/wlr/types/wlr_output.h
View file

@ -112,6 +112,7 @@ struct wlr_output_state {
};
struct wlr_output_impl;
struct wlr_render_pass;
/**
* A compositor output region. This typically corresponds to a monitor that
@ -515,6 +516,13 @@ void wlr_output_lock_software_cursors(struct wlr_output *output, bool lock);
*/
void wlr_output_render_software_cursors(struct wlr_output *output,
const pixman_region32_t *damage);
/**
* Render software cursors.
*
* This is a utility function that can be called when compositors render.
*/
void wlr_output_add_software_cursors_to_render_pass(struct wlr_output *output,
struct wlr_render_pass *render_pass, const pixman_region32_t *damage);
/**
* Get the set of DRM formats suitable for the primary buffer, assuming a
* buffer with the specified capabilities.

56
types/output/cursor.c
View file

@ -7,6 +7,7 @@
#include <wlr/types/wlr_compositor.h>
#include <wlr/types/wlr_matrix.h>
#include <wlr/util/log.h>
#include <wlr/util/region.h>
#include "render/allocator/allocator.h"
#include "types/wlr_buffer.h"
#include "types/wlr_output.h"
@ -156,6 +157,61 @@ void wlr_output_render_software_cursors(struct wlr_output *output,
pixman_region32_fini(&render_damage);
}
void wlr_output_add_software_cursors_to_render_pass(struct wlr_output *output,
struct wlr_render_pass *render_pass, const pixman_region32_t *damage) {
int width, height;
wlr_output_transformed_resolution(output, &width, &height);
pixman_region32_t render_damage;
pixman_region32_init_rect(&render_damage, 0, 0, width, height);
if (damage != NULL) {
pixman_region32_intersect(&render_damage, &render_damage, damage);
}
struct wlr_output_cursor *cursor;
wl_list_for_each(cursor, &output->cursors, link) {
if (!cursor->enabled || !cursor->visible ||
output->hardware_cursor == cursor) {
continue;
}
struct wlr_texture *texture = cursor->texture;
if (cursor->surface != NULL) {
texture = wlr_surface_get_texture(cursor->surface);
}
if (texture == NULL) {
continue;
}
struct wlr_box box;
output_cursor_get_box(cursor, &box);
pixman_region32_t cursor_damage;
pixman_region32_init_rect(&cursor_damage, box.x, box.y, box.width, box.height);
pixman_region32_intersect(&cursor_damage, &cursor_damage, &render_damage);
if (!pixman_region32_not_empty(&cursor_damage)) {
pixman_region32_fini(&cursor_damage);
continue;
}
enum wl_output_transform transform =
wlr_output_transform_invert(output->transform);
wlr_box_transform(&box, &box, transform, width, height);
wlr_region_transform(&cursor_damage, &cursor_damage, transform, width, height);
wlr_render_pass_add_texture(render_pass, &(struct wlr_render_texture_options) {
.texture = texture,
.dst_box = box,
.clip = &cursor_damage,
.transform = output->transform,
});
pixman_region32_fini(&cursor_damage);
}
pixman_region32_fini(&render_damage);
}
static void output_cursor_damage_whole(struct wlr_output_cursor *cursor) {
struct wlr_box box;
output_cursor_get_box(cursor, &box);