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buffer: take a wlr_buffer in wlr_client_buffer_apply_damage

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Instead of taking a wl_resource as argument, take a wlr_buffer.
This commit is contained in:
Simon Ser 2021-08-11 17:18:41 +02:00
parent 610f0c0805
commit cbe099dcc7
3 changed files with 21 additions and 26 deletions
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2
include/wlr/types/wlr_buffer.h
View file

@ -186,7 +186,7 @@ bool wlr_resource_is_buffer(struct wl_resource *resource);
* isn't mutable.
*/
struct wlr_client_buffer *wlr_client_buffer_apply_damage(
struct wlr_client_buffer *buffer, struct wl_resource *resource,
struct wlr_client_buffer *buffer, struct wlr_buffer *next,
pixman_region32_t *damage);
#endif

41
types/wlr_buffer.c
View file

@ -272,42 +272,37 @@ struct wlr_client_buffer *wlr_client_buffer_create(struct wlr_buffer *buffer,
}
struct wlr_client_buffer *wlr_client_buffer_apply_damage(
struct wlr_client_buffer *client_buffer, struct wl_resource *resource,
struct wlr_client_buffer *client_buffer, struct wlr_buffer *next,
pixman_region32_t *damage) {
assert(wlr_resource_is_buffer(resource));
if (client_buffer->base.n_locks > 1) {
// Someone else still has a reference to the buffer
return NULL;
}
struct wl_shm_buffer *shm_buf = wl_shm_buffer_get(resource);
if (shm_buf == NULL ||
client_buffer->shm_source_format == DRM_FORMAT_INVALID) {
if ((uint32_t)next->width != client_buffer->texture->width ||
(uint32_t)next->height != client_buffer->texture->height) {
return NULL;
}
if (client_buffer->shm_source_format == DRM_FORMAT_INVALID) {
// Uploading only damaged regions only works for wl_shm buffers and
// mutable textures (created from wl_shm buffer)
return NULL;
}
enum wl_shm_format new_shm_fmt = wl_shm_buffer_get_format(shm_buf);
if (convert_wl_shm_format_to_drm(new_shm_fmt) !=
client_buffer->shm_source_format) {
void *data;
uint32_t format;
size_t stride;
if (!buffer_begin_data_ptr_access(next, &data, &format, &stride)) {
return NULL;
}
if (format != client_buffer->shm_source_format) {
// Uploading to textures can't change the format
buffer_end_data_ptr_access(next);
return NULL;
}
int32_t stride = wl_shm_buffer_get_stride(shm_buf);
int32_t width = wl_shm_buffer_get_width(shm_buf);
int32_t height = wl_shm_buffer_get_height(shm_buf);
if ((uint32_t)width != client_buffer->texture->width ||
(uint32_t)height != client_buffer->texture->height) {
return NULL;
}
wl_shm_buffer_begin_access(shm_buf);
void *data = wl_shm_buffer_get_data(shm_buf);
int n;
pixman_box32_t *rects = pixman_region32_rectangles(damage, &n);
for (int i = 0; i < n; ++i) {
@ -315,12 +310,12 @@ struct wlr_client_buffer *wlr_client_buffer_apply_damage(
if (!wlr_texture_write_pixels(client_buffer->texture, stride,
r->x2 - r->x1, r->y2 - r->y1, r->x1, r->y1,
r->x1, r->y1, data)) {
wl_shm_buffer_end_access(shm_buf);
buffer_end_data_ptr_access(next);
return NULL;
}
}
wl_shm_buffer_end_access(shm_buf);
buffer_end_data_ptr_access(next);
return client_buffer;
}

4
types/wlr_surface.c
View file

@ -365,8 +365,8 @@ static void surface_apply_damage(struct wlr_surface *surface) {
if (surface->buffer != NULL) {
struct wlr_client_buffer *updated_buffer =
wlr_client_buffer_apply_damage(surface->buffer, resource,
&surface->buffer_damage);
wlr_client_buffer_apply_damage(surface->buffer,
surface->current.buffer, &surface->buffer_damage);
if (updated_buffer != NULL) {
wlr_buffer_unlock(surface->current.buffer);
surface->current.buffer = NULL;