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https://github.com/hyprwm/wlroots-hyprland.git
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buffer: stop using source resource in wlr_client_buffer_apply_damage
This is the first step towards dropping wlr_client_buffer.resource.
This commit is contained in:
parent
7b25b0ff88
commit
0abb67c478
2 changed files with 28 additions and 6 deletions
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@ -137,7 +137,12 @@ struct wlr_client_buffer {
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*/
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struct wlr_texture *texture;
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// private state
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struct wl_listener resource_destroy;
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// If the client buffer has been created from a wl_shm buffer
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uint32_t shm_source_format;
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};
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/**
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@ -1,4 +1,5 @@
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#include <assert.h>
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#include <drm_fourcc.h>
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#include <stdlib.h>
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#include <wlr/render/wlr_renderer.h>
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#include <wlr/types/wlr_buffer.h>
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@ -168,6 +169,10 @@ static void client_buffer_resource_handle_destroy(struct wl_listener *listener,
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// which case we'll read garbage. We decide to accept this risk.
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}
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static bool buffer_is_shm_client_buffer(struct wlr_buffer *buffer);
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static struct wlr_shm_client_buffer *shm_client_buffer_from_buffer(
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struct wlr_buffer *buffer);
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struct wlr_buffer *wlr_buffer_from_resource(struct wlr_renderer *renderer,
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struct wl_resource *resource) {
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assert(resource && wlr_resource_is_buffer(resource));
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@ -224,6 +229,14 @@ struct wlr_client_buffer *wlr_client_buffer_create(struct wlr_buffer *buffer,
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wl_resource_add_destroy_listener(resource, &client_buffer->resource_destroy);
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client_buffer->resource_destroy.notify = client_buffer_resource_handle_destroy;
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if (buffer_is_shm_client_buffer(buffer)) {
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struct wlr_shm_client_buffer *shm_client_buffer =
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shm_client_buffer_from_buffer(buffer);
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client_buffer->shm_source_format = shm_client_buffer->format;
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} else {
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client_buffer->shm_source_format = DRM_FORMAT_INVALID;
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}
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// Ensure the buffer will be released before being destroyed
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wlr_buffer_lock(&client_buffer->base);
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wlr_buffer_drop(&client_buffer->base);
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@ -242,16 +255,16 @@ struct wlr_client_buffer *wlr_client_buffer_apply_damage(
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}
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struct wl_shm_buffer *shm_buf = wl_shm_buffer_get(resource);
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struct wl_shm_buffer *old_shm_buf = wl_shm_buffer_get(client_buffer->resource);
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if (shm_buf == NULL || old_shm_buf == NULL) {
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if (shm_buf == NULL ||
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client_buffer->shm_source_format == DRM_FORMAT_INVALID) {
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// Uploading only damaged regions only works for wl_shm buffers and
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// mutable textures (created from wl_shm buffer)
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return NULL;
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}
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enum wl_shm_format new_fmt = wl_shm_buffer_get_format(shm_buf);
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enum wl_shm_format old_fmt = wl_shm_buffer_get_format(old_shm_buf);
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if (new_fmt != old_fmt) {
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enum wl_shm_format new_shm_fmt = wl_shm_buffer_get_format(shm_buf);
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if (convert_wl_shm_format_to_drm(new_shm_fmt) !=
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client_buffer->shm_source_format) {
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// Uploading to textures can't change the format
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return NULL;
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}
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@ -292,9 +305,13 @@ struct wlr_client_buffer *wlr_client_buffer_apply_damage(
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static const struct wlr_buffer_impl shm_client_buffer_impl;
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static bool buffer_is_shm_client_buffer(struct wlr_buffer *buffer) {
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return buffer->impl == &shm_client_buffer_impl;
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}
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static struct wlr_shm_client_buffer *shm_client_buffer_from_buffer(
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struct wlr_buffer *buffer) {
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assert(buffer->impl == &shm_client_buffer_impl);
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assert(buffer_is_shm_client_buffer(buffer));
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return (struct wlr_shm_client_buffer *)buffer;
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}
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