mirror of
https://github.com/hyprwm/wlroots-hyprland.git
synced 2024-11-29 07:55:59 +01:00
Merge pull request #580 from emersion/screenshooter-renderer-backport
Backport screenshooter fixes from the renderer redesign v1
This commit is contained in:
Tony Crisci
GitHub
commit
ed5b1fdedd
21 changed files with 182 additions and 97 deletions
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@ -52,6 +52,13 @@ struct wlr_egl *wlr_backend_get_egl(struct wlr_backend *backend) {
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return NULL;
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}
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struct wlr_renderer *wlr_backend_get_renderer(struct wlr_backend *backend) {
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if (backend->impl->get_renderer) {
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return backend->impl->get_renderer(backend);
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}
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return NULL;
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}
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static struct wlr_backend *attempt_wl_backend(struct wl_display *display) {
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struct wlr_backend *backend = wlr_wl_backend_create(display, NULL);
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if (backend) {
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@ -50,10 +50,17 @@ static struct wlr_egl *wlr_drm_backend_get_egl(struct wlr_backend *backend) {
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return &drm->renderer.egl;
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}
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static struct wlr_renderer *wlr_drm_backend_get_renderer(
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struct wlr_backend *backend) {
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struct wlr_drm_backend *drm = (struct wlr_drm_backend *)backend;
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return drm->renderer.wlr_rend;
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}
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static struct wlr_backend_impl backend_impl = {
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.start = wlr_drm_backend_start,
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.destroy = wlr_drm_backend_destroy,
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.get_egl = wlr_drm_backend_get_egl
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.get_egl = wlr_drm_backend_get_egl,
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.get_renderer = wlr_drm_backend_get_renderer,
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};
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bool wlr_backend_is_drm(struct wlr_backend *b) {
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@ -1,6 +1,6 @@
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#include <stdlib.h>
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#include <EGL/egl.h>
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#include <EGL/eglext.h>
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#include <wlr/render/egl.h>
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#include <wlr/render/gles2.h>
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#include <wlr/util/log.h>
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#include <wlr/interfaces/wlr_output.h>
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#include <wlr/interfaces/wlr_input_device.h>
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@ -61,10 +61,18 @@ static struct wlr_egl *backend_get_egl(struct wlr_backend *wlr_backend) {
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return &backend->egl;
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}
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static struct wlr_renderer *backend_get_renderer(
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struct wlr_backend *wlr_backend) {
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struct wlr_headless_backend *backend =
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(struct wlr_headless_backend *)wlr_backend;
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return backend->renderer;
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}
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static const struct wlr_backend_impl backend_impl = {
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.start = backend_start,
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.destroy = backend_destroy,
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.get_egl = backend_get_egl,
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.get_renderer = backend_get_renderer,
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};
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static void handle_display_destroy(struct wl_listener *listener, void *data) {
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@ -103,6 +111,11 @@ struct wlr_backend *wlr_headless_backend_create(struct wl_display *display) {
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return NULL;
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}
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backend->renderer = wlr_gles2_renderer_create(&backend->backend);
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if (backend->renderer == NULL) {
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wlr_log(L_ERROR, "Failed to create renderer");
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}
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backend->display_destroy.notify = handle_display_destroy;
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wl_display_add_destroy_listener(display, &backend->display_destroy);
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@ -62,10 +62,24 @@ static struct wlr_egl *multi_backend_get_egl(struct wlr_backend *wlr_backend) {
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return NULL;
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}
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static struct wlr_renderer *multi_backend_get_renderer(
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struct wlr_backend *backend) {
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struct wlr_multi_backend *multi = (struct wlr_multi_backend *)backend;
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struct subbackend_state *sub;
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wl_list_for_each(sub, &multi->backends, link) {
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struct wlr_renderer *rend = wlr_backend_get_renderer(sub->backend);
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if (rend != NULL) {
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return rend;
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}
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}
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return NULL;
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}
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struct wlr_backend_impl backend_impl = {
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.start = multi_backend_start,
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.destroy = multi_backend_destroy,
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.get_egl = multi_backend_get_egl,
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.get_renderer = multi_backend_get_renderer,
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};
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static void handle_display_destroy(struct wl_listener *listener, void *data) {
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@ -6,6 +6,7 @@
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#include <EGL/eglext.h>
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#include <wayland-server.h>
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#include <wlr/render/egl.h>
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#include <wlr/render/gles2.h>
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#include <wlr/backend/interface.h>
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#include <wlr/interfaces/wlr_output.h>
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#include <wlr/interfaces/wlr_input_device.h>
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@ -106,15 +107,22 @@ static void wlr_wl_backend_destroy(struct wlr_backend *_backend) {
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free(backend);
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}
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static struct wlr_egl *wlr_wl_backend_get_egl(struct wlr_backend *_backend) {
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struct wlr_wl_backend *backend = (struct wlr_wl_backend *)_backend;
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static struct wlr_egl *wlr_wl_backend_get_egl(struct wlr_backend *wlr_backend) {
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struct wlr_wl_backend *backend = (struct wlr_wl_backend *)wlr_backend;
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return &backend->egl;
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}
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static struct wlr_renderer *wlr_wl_backend_get_renderer(
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struct wlr_backend *wlr_backend) {
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struct wlr_wl_backend *backend = (struct wlr_wl_backend *)wlr_backend;
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return backend->renderer;
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}
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static struct wlr_backend_impl backend_impl = {
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.start = wlr_wl_backend_start,
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.destroy = wlr_wl_backend_destroy,
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.get_egl = wlr_wl_backend_get_egl
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.get_egl = wlr_wl_backend_get_egl,
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.get_renderer = wlr_wl_backend_get_renderer,
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};
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bool wlr_backend_is_wl(struct wlr_backend *b) {
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@ -191,7 +199,8 @@ struct wlr_backend *wlr_wl_backend_create(struct wl_display *display, const char
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return false;
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}
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if (!(backend->registry = wl_display_get_registry(backend->remote_display))) {
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backend->registry = wl_display_get_registry(backend->remote_display);
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if (backend->registry == NULL) {
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wlr_log_errno(L_ERROR, "Could not obtain reference to remote registry");
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return false;
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}
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@ -200,6 +209,11 @@ struct wlr_backend *wlr_wl_backend_create(struct wl_display *display, const char
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backend->remote_display, NULL, WL_SHM_FORMAT_ARGB8888);
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wlr_egl_bind_display(&backend->egl, backend->local_display);
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backend->renderer = wlr_gles2_renderer_create(&backend->backend);
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if (backend->renderer == NULL) {
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wlr_log_errno(L_ERROR, "Could not create renderer");
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}
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backend->local_display_destroy.notify = handle_display_destroy;
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wl_display_add_destroy_listener(display, &backend->local_display_destroy);
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@ -16,6 +16,7 @@
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#include <wlr/backend/interface.h>
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#include <wlr/backend/x11.h>
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#include <wlr/render/egl.h>
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#include <wlr/render/gles2.h>
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#include <wlr/interfaces/wlr_output.h>
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#include <wlr/interfaces/wlr_input_device.h>
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#include <wlr/interfaces/wlr_keyboard.h>
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@ -272,16 +273,23 @@ static struct wlr_egl *wlr_x11_backend_get_egl(struct wlr_backend *backend) {
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return &x11->egl;
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}
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bool wlr_backend_is_x11(struct wlr_backend *backend) {
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return backend->impl == &backend_impl;
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static struct wlr_renderer *wlr_x11_backend_get_renderer(
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struct wlr_backend *backend) {
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struct wlr_x11_backend *x11 = (struct wlr_x11_backend *)backend;
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return x11->renderer;
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}
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static struct wlr_backend_impl backend_impl = {
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.start = wlr_x11_backend_start,
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.destroy = wlr_x11_backend_destroy,
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.get_egl = wlr_x11_backend_get_egl,
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.get_renderer = wlr_x11_backend_get_renderer,
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};
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bool wlr_backend_is_x11(struct wlr_backend *backend) {
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return backend->impl == &backend_impl;
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}
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static void handle_display_destroy(struct wl_listener *listener, void *data) {
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struct wlr_x11_backend *x11 =
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wl_container_of(listener, x11, display_destroy);
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@ -330,6 +338,11 @@ struct wlr_backend *wlr_x11_backend_create(struct wl_display *display,
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goto error_event;
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}
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x11->renderer = wlr_gles2_renderer_create(&x11->backend);
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if (x11->renderer == NULL) {
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wlr_log(L_ERROR, "Failed to create renderer");
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}
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wlr_input_device_init(&x11->keyboard_dev, WLR_INPUT_DEVICE_KEYBOARD,
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&input_device_impl, "X11 keyboard", 0, 0);
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wlr_keyboard_init(&x11->keyboard, NULL);
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@ -74,7 +74,7 @@ static void output_handle_mode(void *data, struct wl_output *wl_output,
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}
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static void output_handle_done(void *data, struct wl_output *wl_output) {
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// No-op
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}
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static const struct wl_output_listener output_listener = {
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@ -148,16 +148,6 @@ static struct wl_buffer *create_shm_buffer(int width, int height,
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return buffer;
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}
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static void argb_to_rgba(uint32_t *data, size_t height, size_t stride) {
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size_t n = height*stride/4;
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for (size_t i = 0; i < n; ++i) {
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uint32_t v = data[i];
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uint32_t rgb = v & 0x00ffffff;
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uint32_t a = (v & 0xff000000) >> 24;
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data[i] = (rgb << 8) | a;
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}
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}
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static void write_image(const char *filename, int width, int height) {
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int buffer_stride = width * 4;
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@ -182,8 +172,6 @@ static void write_image(const char *filename, int width, int height) {
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free(output);
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}
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argb_to_rgba(data, height, buffer_stride);
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char size[10 + 1 + 10 + 2 + 1]; // int32_t are max 10 digits
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sprintf(size, "%dx%d+0", width, height);
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@ -213,7 +201,9 @@ static void write_image(const char *filename, int width, int height) {
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exit(EXIT_FAILURE);
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}
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close(fd[0]);
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execlp("convert", "convert", "-depth", "8", "-size", size, "rgba:-",
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// We requested WL_SHM_FORMAT_XRGB8888 in little endian, so that's BGRA
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// in big endian.
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execlp("convert", "convert", "-depth", "8", "-size", size, "bgra:-",
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"-alpha", "opaque", filename, NULL);
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fprintf(stderr, "cannot execute convert\n");
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exit(EXIT_FAILURE);
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@ -7,6 +7,7 @@
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struct wlr_headless_backend {
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struct wlr_backend backend;
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struct wlr_egl egl;
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struct wlr_renderer *renderer;
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struct wl_display *display;
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struct wl_list outputs;
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struct wl_list input_devices;
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@ -6,6 +6,7 @@
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#include <wayland-server.h>
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#include <wayland-egl.h>
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#include <wlr/render/egl.h>
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#include <wlr/render.h>
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#include <wlr/backend/wayland.h>
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#include <wlr/types/wlr_box.h>
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#include <wayland-util.h>
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@ -19,6 +20,7 @@ struct wlr_wl_backend {
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struct wl_list devices;
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struct wl_list outputs;
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struct wlr_egl egl;
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struct wlr_renderer *renderer;
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size_t requested_outputs;
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struct wl_listener local_display_destroy;
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/* remote state */
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@ -39,6 +39,7 @@ struct wlr_x11_backend {
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struct wlr_input_device pointer_dev;
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struct wlr_egl egl;
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struct wlr_renderer *renderer;
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struct wl_event_source *event_source;
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struct wl_event_source *frame_timer;
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@ -23,6 +23,7 @@ struct wlr_backend *wlr_backend_autocreate(struct wl_display *display);
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bool wlr_backend_start(struct wlr_backend *backend);
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void wlr_backend_destroy(struct wlr_backend *backend);
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struct wlr_egl *wlr_backend_get_egl(struct wlr_backend *backend);
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struct wlr_renderer *wlr_backend_get_renderer(struct wlr_backend *backend);
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uint32_t usec_to_msec(uint64_t usec);
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@ -9,6 +9,7 @@ struct wlr_backend_impl {
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bool (*start)(struct wlr_backend *backend);
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void (*destroy)(struct wlr_backend *backend);
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struct wlr_egl *(*get_egl)(struct wlr_backend *backend);
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struct wlr_renderer *(*get_renderer)(struct wlr_backend *backend);
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};
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void wlr_backend_init(struct wlr_backend *backend,
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@ -52,10 +52,17 @@ const enum wl_shm_format *wlr_renderer_get_formats(
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bool wlr_renderer_buffer_is_drm(struct wlr_renderer *renderer,
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struct wl_resource *buffer);
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/**
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* Reads pixels and stores them in out_data as ARGB8888.
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* Reads out of pixels of the currently bound surface into data. `stride` is in
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* bytes.
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*/
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void wlr_renderer_read_pixels(struct wlr_renderer *r, int x, int y,
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int width, int height, void *out_data);
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bool wlr_renderer_read_pixels(struct wlr_renderer *r, enum wl_shm_format fmt,
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uint32_t stride, uint32_t width, uint32_t height,
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uint32_t src_x, uint32_t src_y, uint32_t dst_x, uint32_t dst_y, void *data);
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/**
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* Checks if a format is supported.
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*/
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bool wlr_renderer_format_supported(struct wlr_renderer *r,
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enum wl_shm_format fmt);
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/**
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* Destroys this wlr_renderer. Textures must be destroyed separately.
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*/
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@ -28,8 +28,12 @@ struct wlr_renderer_impl {
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struct wlr_renderer *renderer, size_t *len);
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bool (*buffer_is_drm)(struct wlr_renderer *renderer,
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struct wl_resource *buffer);
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void (*read_pixels)(struct wlr_renderer *renderer, int x, int y, int width,
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int height, void *out_data);
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bool (*read_pixels)(struct wlr_renderer *renderer, enum wl_shm_format fmt,
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uint32_t stride, uint32_t width, uint32_t height,
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uint32_t src_x, uint32_t src_y, uint32_t dst_x, uint32_t dst_y,
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void *data);
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bool (*format_supported)(struct wlr_renderer *renderer,
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enum wl_shm_format fmt);
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void (*destroy)(struct wlr_renderer *renderer);
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};
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@ -4,7 +4,6 @@
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struct wlr_screenshooter {
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struct wl_global *wl_global;
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struct wlr_renderer *renderer;
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struct wl_list screenshots; // wlr_screenshot::link
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struct wl_listener display_destroy;
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@ -23,8 +22,7 @@ struct wlr_screenshot {
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void* data;
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};
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struct wlr_screenshooter *wlr_screenshooter_create(struct wl_display *display,
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struct wlr_renderer *renderer);
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struct wlr_screenshooter *wlr_screenshooter_create(struct wl_display *display);
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void wlr_screenshooter_destroy(struct wlr_screenshooter *screenshooter);
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#endif
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@ -2,7 +2,10 @@
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#include <GLES2/gl2ext.h>
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#include "render/gles2.h"
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// Adapted from weston
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/*
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* The wayland formats are little endian while the GL formats are big endian,
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* so WL_SHM_FORMAT_ARGB8888 is actually compatible with GL_BGRA_EXT.
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*/
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struct pixel_format formats[] = {
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{
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.wl_format = WL_SHM_FORMAT_ARGB8888,
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@ -22,12 +25,16 @@ struct pixel_format formats[] = {
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},
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{
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.wl_format = WL_SHM_FORMAT_XBGR8888,
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.depth = 24,
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.bpp = 32,
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.gl_format = GL_RGBA,
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.gl_type = GL_UNSIGNED_BYTE,
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.shader = &shaders.rgbx
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},
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{
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.wl_format = WL_SHM_FORMAT_ABGR8888,
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.depth = 32,
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.bpp = 32,
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.gl_format = GL_RGBA,
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.gl_type = GL_UNSIGNED_BYTE,
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.shader = &shaders.rgba
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@ -211,20 +211,33 @@ static bool wlr_gles2_buffer_is_drm(struct wlr_renderer *_renderer,
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EGL_TEXTURE_FORMAT, &format);
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}
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static void rgba_to_argb(uint32_t *data, size_t height, size_t stride) {
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size_t n = height*stride/4;
|
||||
for (size_t i = 0; i < n; ++i) {
|
||||
uint32_t v = data[i];
|
||||
uint32_t rgb = (v & 0xffffff00) >> 8;
|
||||
uint32_t a = v & 0x000000ff;
|
||||
data[i] = rgb | (a << 24);
|
||||
}
|
||||
static bool wlr_gles2_read_pixels(struct wlr_renderer *renderer,
|
||||
enum wl_shm_format wl_fmt, uint32_t stride, uint32_t width,
|
||||
uint32_t height, uint32_t src_x, uint32_t src_y, uint32_t dst_x,
|
||||
uint32_t dst_y, void *data) {
|
||||
const struct pixel_format *fmt = gl_format_for_wl_format(wl_fmt);
|
||||
if (fmt == NULL) {
|
||||
wlr_log(L_ERROR, "Cannot read pixels: unsupported pixel format");
|
||||
return false;
|
||||
}
|
||||
|
||||
static void wlr_gles2_read_pixels(struct wlr_renderer *renderer, int x, int y,
|
||||
int width, int height, void *out_data) {
|
||||
glReadPixels(x, y, width, height, GL_RGBA, GL_UNSIGNED_BYTE, out_data);
|
||||
rgba_to_argb(out_data, height, width*4);
|
||||
// Make sure any pending drawing is finished before we try to read it
|
||||
glFinish();
|
||||
|
||||
// Unfortunately GLES2 doesn't support GL_PACK_*, so we have to read
|
||||
// the lines out row by row
|
||||
unsigned char *p = data + dst_y * stride;
|
||||
for (size_t i = src_y; i < src_y + height; ++i) {
|
||||
glReadPixels(src_x, src_y + height - i - 1, width, 1, fmt->gl_format,
|
||||
fmt->gl_type, p + i * stride + dst_x * fmt->bpp / 8);
|
||||
}
|
||||
|
||||
return true;
|
||||
}
|
||||
|
||||
static bool wlr_gles2_format_supported(struct wlr_renderer *r,
|
||||
enum wl_shm_format wl_fmt) {
|
||||
return gl_format_for_wl_format(wl_fmt);
|
||||
}
|
||||
|
||||
static struct wlr_renderer_impl wlr_renderer_impl = {
|
||||
|
|
@ -237,6 +250,7 @@ static struct wlr_renderer_impl wlr_renderer_impl = {
|
|||
.formats = wlr_gles2_formats,
|
||||
.buffer_is_drm = wlr_gles2_buffer_is_drm,
|
||||
.read_pixels = wlr_gles2_read_pixels,
|
||||
.format_supported = wlr_gles2_format_supported,
|
||||
};
|
||||
|
||||
struct wlr_renderer *wlr_gles2_renderer_create(struct wlr_backend *backend) {
|
||||
|
|
|
|||
|
|
@ -52,7 +52,15 @@ bool wlr_renderer_buffer_is_drm(struct wlr_renderer *r,
|
|||
return r->impl->buffer_is_drm(r, buffer);
|
||||
}
|
||||
|
||||
void wlr_renderer_read_pixels(struct wlr_renderer *r, int x, int y,
|
||||
int width, int height, void *out_data) {
|
||||
r->impl->read_pixels(r, x, y, width, height, out_data);
|
||||
bool wlr_renderer_read_pixels(struct wlr_renderer *r, enum wl_shm_format fmt,
|
||||
uint32_t stride, uint32_t width, uint32_t height,
|
||||
uint32_t src_x, uint32_t src_y, uint32_t dst_x, uint32_t dst_y,
|
||||
void *data) {
|
||||
return r->impl->read_pixels(r, fmt, stride, width, height, src_x, src_y,
|
||||
dst_x, dst_y, data);
|
||||
}
|
||||
|
||||
bool wlr_renderer_format_supported(struct wlr_renderer *r,
|
||||
enum wl_shm_format fmt) {
|
||||
return r->impl->format_supported(r, fmt);
|
||||
}
|
||||
|
|
|
|||
|
|
@ -551,8 +551,7 @@ struct roots_desktop *desktop_create(struct roots_server *server,
|
|||
|
||||
desktop->gamma_control_manager = wlr_gamma_control_manager_create(
|
||||
server->wl_display);
|
||||
desktop->screenshooter = wlr_screenshooter_create(server->wl_display,
|
||||
server->renderer);
|
||||
desktop->screenshooter = wlr_screenshooter_create(server->wl_display);
|
||||
desktop->server_decoration_manager =
|
||||
wlr_server_decoration_manager_create(server->wl_display);
|
||||
wlr_server_decoration_manager_set_default_mode(
|
||||
|
|
|
|||
|
|
@ -8,7 +8,6 @@
|
|||
#include <wlr/backend/headless.h>
|
||||
#include <wlr/backend/multi.h>
|
||||
#include <wlr/render.h>
|
||||
#include <wlr/render/gles2.h>
|
||||
#include <wlr/util/log.h>
|
||||
#include "rootston/config.h"
|
||||
#include "rootston/server.h"
|
||||
|
|
@ -34,13 +33,12 @@ int main(int argc, char **argv) {
|
|||
assert(server.wl_event_loop = wl_display_get_event_loop(server.wl_display));
|
||||
|
||||
server.backend = wlr_backend_autocreate(server.wl_display);
|
||||
|
||||
if (server.backend == NULL) {
|
||||
wlr_log(L_ERROR, "could not start backend");
|
||||
return 1;
|
||||
}
|
||||
|
||||
assert(server.renderer = wlr_gles2_renderer_create(server.backend));
|
||||
assert(server.renderer = wlr_backend_get_renderer(server.backend));
|
||||
server.data_device_manager =
|
||||
wlr_data_device_manager_create(server.wl_display);
|
||||
wl_display_init_shm(server.wl_display);
|
||||
|
|
|
|||
|
|
@ -3,24 +3,13 @@
|
|||
#include <string.h>
|
||||
#include <wayland-server.h>
|
||||
#include <wlr/render.h>
|
||||
#include <wlr/backend.h>
|
||||
#include <wlr/types/wlr_screenshooter.h>
|
||||
#include <wlr/types/wlr_output.h>
|
||||
#include <wlr/util/log.h>
|
||||
#include "screenshooter-protocol.h"
|
||||
|
||||
static void copy_yflip(uint8_t *dst, uint8_t *src, int32_t height,
|
||||
int32_t stride) {
|
||||
uint8_t *end = dst + height * stride;
|
||||
while (dst < end) {
|
||||
memcpy(dst, src, stride);
|
||||
dst += stride;
|
||||
src -= stride;
|
||||
}
|
||||
}
|
||||
|
||||
struct screenshot_state {
|
||||
int32_t width, height, stride;
|
||||
uint8_t *pixels;
|
||||
struct wl_shm_buffer *shm_buffer;
|
||||
struct wlr_screenshot *screenshot;
|
||||
struct wl_listener frame_listener;
|
||||
|
|
@ -41,27 +30,32 @@ static void handle_screenshot_resource_destroy(
|
|||
}
|
||||
}
|
||||
|
||||
static void output_frame_notify(struct wl_listener *listener, void *_data) {
|
||||
static void output_handle_frame(struct wl_listener *listener, void *_data) {
|
||||
struct screenshot_state *state = wl_container_of(listener, state,
|
||||
frame_listener);
|
||||
struct wlr_renderer *renderer = state->screenshot->screenshooter->renderer;
|
||||
struct wlr_output *output = state->screenshot->output;
|
||||
struct wlr_renderer *renderer = wlr_backend_get_renderer(output->backend);
|
||||
struct wl_shm_buffer *shm_buffer = state->shm_buffer;
|
||||
|
||||
wlr_output_make_current(output);
|
||||
wlr_renderer_read_pixels(renderer, 0, 0, output->width, output->height,
|
||||
state->pixels);
|
||||
enum wl_shm_format format = wl_shm_buffer_get_format(shm_buffer);
|
||||
int32_t width = wl_shm_buffer_get_width(shm_buffer);
|
||||
int32_t height = wl_shm_buffer_get_height(shm_buffer);
|
||||
int32_t stride = wl_shm_buffer_get_stride(shm_buffer);
|
||||
void *data = wl_shm_buffer_get_data(shm_buffer);
|
||||
wl_shm_buffer_begin_access(shm_buffer);
|
||||
bool ok = wlr_renderer_read_pixels(renderer, format, stride, width, height,
|
||||
0, 0, 0, 0, data);
|
||||
wl_shm_buffer_end_access(shm_buffer);
|
||||
|
||||
void *data = wl_shm_buffer_get_data(state->shm_buffer);
|
||||
wl_shm_buffer_begin_access(state->shm_buffer);
|
||||
copy_yflip(data, state->pixels + state->stride * (state->height - 1),
|
||||
state->height, state->stride);
|
||||
wl_shm_buffer_end_access(state->shm_buffer);
|
||||
|
||||
free(state->pixels);
|
||||
wl_list_remove(&listener->link);
|
||||
if (!ok) {
|
||||
wlr_log(L_ERROR, "Cannot read pixels");
|
||||
goto cleanup;
|
||||
}
|
||||
|
||||
orbital_screenshot_send_done(state->screenshot->resource);
|
||||
|
||||
cleanup:
|
||||
wl_list_remove(&listener->link);
|
||||
free(state);
|
||||
}
|
||||
|
||||
|
|
@ -72,35 +66,35 @@ static void screenshooter_shoot(struct wl_client *client,
|
|||
struct wlr_screenshooter *screenshooter =
|
||||
wl_resource_get_user_data(screenshooter_resource);
|
||||
struct wlr_output *output = wl_resource_get_user_data(output_resource);
|
||||
if (!wl_shm_buffer_get(buffer_resource)) {
|
||||
|
||||
struct wlr_renderer *renderer = wlr_backend_get_renderer(output->backend);
|
||||
if (renderer == NULL) {
|
||||
wlr_log(L_ERROR, "Backend doesn't have a renderer");
|
||||
return;
|
||||
}
|
||||
|
||||
struct wl_shm_buffer *shm_buffer = wl_shm_buffer_get(buffer_resource);
|
||||
if (shm_buffer == NULL) {
|
||||
wlr_log(L_ERROR, "Invalid buffer: not a shared memory buffer");
|
||||
return;
|
||||
}
|
||||
struct wl_shm_buffer *shm_buffer = wl_shm_buffer_get(buffer_resource);
|
||||
|
||||
int32_t width = wl_shm_buffer_get_width(shm_buffer);
|
||||
int32_t height = wl_shm_buffer_get_height(shm_buffer);
|
||||
int32_t stride = wl_shm_buffer_get_stride(shm_buffer);
|
||||
if (width < output->width || height < output->height) {
|
||||
wlr_log(L_ERROR, "Invalid buffer: too small");
|
||||
return;
|
||||
}
|
||||
|
||||
uint32_t format = wl_shm_buffer_get_format(shm_buffer);
|
||||
if (format != WL_SHM_FORMAT_XRGB8888) {
|
||||
if (!wlr_renderer_format_supported(renderer, format)) {
|
||||
wlr_log(L_ERROR, "Invalid buffer: unsupported format");
|
||||
return;
|
||||
}
|
||||
|
||||
uint8_t *pixels = malloc(stride * height);
|
||||
if (pixels == NULL) {
|
||||
wl_client_post_no_memory(client);
|
||||
return;
|
||||
}
|
||||
|
||||
struct wlr_screenshot *screenshot =
|
||||
calloc(1, sizeof(struct wlr_screenshot));
|
||||
if (!screenshot) {
|
||||
free(pixels);
|
||||
wl_resource_post_no_memory(screenshooter_resource);
|
||||
return;
|
||||
}
|
||||
|
|
@ -112,7 +106,6 @@ static void screenshooter_shoot(struct wl_client *client,
|
|||
wl_resource_get_version(screenshooter_resource), id);
|
||||
if (screenshot->resource == NULL) {
|
||||
free(screenshot);
|
||||
free(pixels);
|
||||
wl_resource_post_no_memory(screenshooter_resource);
|
||||
return;
|
||||
}
|
||||
|
|
@ -127,17 +120,12 @@ static void screenshooter_shoot(struct wl_client *client,
|
|||
if (!state) {
|
||||
wl_resource_destroy(screenshot->resource);
|
||||
free(screenshot);
|
||||
free(pixels);
|
||||
wl_resource_post_no_memory(screenshooter_resource);
|
||||
return;
|
||||
}
|
||||
state->width = width;
|
||||
state->height = height;
|
||||
state->stride = stride;
|
||||
state->pixels = pixels;
|
||||
state->shm_buffer = shm_buffer;
|
||||
state->screenshot = screenshot;
|
||||
state->frame_listener.notify = output_frame_notify;
|
||||
state->frame_listener.notify = output_handle_frame;
|
||||
wl_signal_add(&output->events.swap_buffers, &state->frame_listener);
|
||||
}
|
||||
|
||||
|
|
@ -179,14 +167,12 @@ static void handle_display_destroy(struct wl_listener *listener, void *data) {
|
|||
wlr_screenshooter_destroy(screenshooter);
|
||||
}
|
||||
|
||||
struct wlr_screenshooter *wlr_screenshooter_create(struct wl_display *display,
|
||||
struct wlr_renderer *renderer) {
|
||||
struct wlr_screenshooter *wlr_screenshooter_create(struct wl_display *display) {
|
||||
struct wlr_screenshooter *screenshooter =
|
||||
calloc(1, sizeof(struct wlr_screenshooter));
|
||||
if (!screenshooter) {
|
||||
return NULL;
|
||||
}
|
||||
screenshooter->renderer = renderer;
|
||||
|
||||
wl_list_init(&screenshooter->screenshots);
|
||||
|
||||
|
|
|
|||
Loading…
Reference in a new issue