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-rw-r--r--backend/x11/backend.c156
-rw-r--r--backend/x11/meson.build4
-rw-r--r--backend/x11/output.c258
3 files changed, 385 insertions, 33 deletions
diff --git a/backend/x11/backend.c b/backend/x11/backend.c
index f2b09a25..980bc14c 100644
--- a/backend/x11/backend.c
+++ b/backend/x11/backend.c
@@ -6,12 +6,16 @@
#include <stdio.h>
#include <stdlib.h>
#include <time.h>
+#include <unistd.h>
#include <wlr/config.h>
+#include <drm_fourcc.h>
#include <X11/Xlib-xcb.h>
#include <wayland-server-core.h>
#include <xcb/xcb.h>
+#include <xcb/dri3.h>
+#include <xcb/present.h>
#include <xcb/xfixes.h>
#include <xcb/xinput.h>
@@ -25,8 +29,26 @@
#include <wlr/util/log.h>
#include "backend/x11.h"
+#include "render/drm_format_set.h"
+#include "render/gbm_allocator.h"
+#include "render/wlr_renderer.h"
#include "util/signal.h"
+// See dri2_format_for_depth in mesa
+const struct wlr_x11_format formats[] = {
+ { .drm = DRM_FORMAT_XRGB8888, .depth = 24, .bpp = 32 },
+ { .drm = DRM_FORMAT_ARGB8888, .depth = 32, .bpp = 32 },
+};
+
+static const struct wlr_x11_format *x11_format_from_depth(uint8_t depth) {
+ for (size_t i = 0; i < sizeof(formats) / sizeof(formats[0]); i++) {
+ if (formats[i].depth == depth) {
+ return &formats[i];
+ }
+ }
+ return NULL;
+}
+
struct wlr_x11_output *get_x11_output_from_window_id(
struct wlr_x11_backend *x11, xcb_window_t window) {
struct wlr_x11_output *output;
@@ -82,6 +104,8 @@ static void handle_x11_event(struct wlr_x11_backend *x11,
xcb_ge_generic_event_t *ev = (xcb_ge_generic_event_t *)event;
if (ev->extension == x11->xinput_opcode) {
handle_x11_xinput_event(x11, ev);
+ } else if (ev->extension == x11->present_opcode) {
+ handle_x11_present_event(x11, ev);
} else {
handle_x11_unknown_event(x11, event);
}
@@ -157,6 +181,7 @@ static void backend_destroy(struct wlr_backend *backend) {
wlr_renderer_destroy(x11->renderer);
wlr_egl_finish(&x11->egl);
+ free(x11->drm_format);
#if WLR_HAS_XCB_ERRORS
xcb_errors_context_free(x11->errors_context);
@@ -190,6 +215,27 @@ static void handle_display_destroy(struct wl_listener *listener, void *data) {
backend_destroy(&x11->backend);
}
+static xcb_depth_t *get_depth(xcb_screen_t *screen, uint8_t depth) {
+ xcb_depth_iterator_t iter = xcb_screen_allowed_depths_iterator(screen);
+ while (iter.rem > 0) {
+ if (iter.data->depth == depth) {
+ return iter.data;
+ }
+ xcb_depth_next(&iter);
+ }
+ return NULL;
+}
+
+static xcb_visualid_t pick_visualid(xcb_depth_t *depth) {
+ xcb_visualtype_t *visuals = xcb_depth_visuals(depth);
+ for (int i = 0; i < xcb_depth_visuals_length(depth); i++) {
+ if (visuals[i]._class == XCB_VISUAL_CLASS_TRUE_COLOR) {
+ return visuals[i].visual_id;
+ }
+ }
+ return 0;
+}
+
struct wlr_backend *wlr_x11_backend_create(struct wl_display *display,
const char *x11_display,
wlr_renderer_create_func_t create_renderer_func) {
@@ -247,6 +293,47 @@ struct wlr_backend *wlr_x11_backend_create(struct wl_display *display,
const xcb_query_extension_reply_t *ext;
+ // DRI3 extension
+
+ ext = xcb_get_extension_data(x11->xcb, &xcb_dri3_id);
+ if (!ext || !ext->present) {
+ wlr_log(WLR_ERROR, "X11 does not support DRI3 extension");
+ goto error_display;
+ }
+
+ xcb_dri3_query_version_cookie_t dri3_cookie =
+ xcb_dri3_query_version(x11->xcb, 1, 2);
+ xcb_dri3_query_version_reply_t *dri3_reply =
+ xcb_dri3_query_version_reply(x11->xcb, dri3_cookie, NULL);
+ if (!dri3_reply || dri3_reply->major_version < 1 ||
+ dri3_reply->minor_version < 2) {
+ wlr_log(WLR_ERROR, "X11 does not support required DRI3 version");
+ goto error_display;
+ }
+ free(dri3_reply);
+
+ // Present extension
+
+ ext = xcb_get_extension_data(x11->xcb, &xcb_present_id);
+ if (!ext || !ext->present) {
+ wlr_log(WLR_ERROR, "X11 does not support Present extension");
+ goto error_display;
+ }
+ x11->present_opcode = ext->major_opcode;
+
+ xcb_present_query_version_cookie_t present_cookie =
+ xcb_present_query_version(x11->xcb, 1, 2);
+ xcb_present_query_version_reply_t *present_reply =
+ xcb_present_query_version_reply(x11->xcb, present_cookie, NULL);
+ if (!present_reply || present_reply->major_version < 1) {
+ wlr_log(WLR_ERROR, "X11 does not support required Present version");
+ free(present_reply);
+ goto error_display;
+ }
+ free(present_reply);
+
+ // Xfixes extension
+
ext = xcb_get_extension_data(x11->xcb, &xcb_xfixes_id);
if (!ext || !ext->present) {
wlr_log(WLR_ERROR, "X11 does not support Xfixes extension");
@@ -265,6 +352,8 @@ struct wlr_backend *wlr_x11_backend_create(struct wl_display *display,
}
free(fixes_reply);
+ // Xinput extension
+
ext = xcb_get_extension_data(x11->xcb, &xcb_input_id);
if (!ext || !ext->present) {
wlr_log(WLR_ERROR, "X11 does not support Xinput extension");
@@ -295,6 +384,32 @@ struct wlr_backend *wlr_x11_backend_create(struct wl_display *display,
wl_event_source_check(x11->event_source);
x11->screen = xcb_setup_roots_iterator(xcb_get_setup(x11->xcb)).data;
+ if (!x11->screen) {
+ wlr_log(WLR_ERROR, "Failed to get X11 screen");
+ goto error_display;
+ }
+
+ x11->depth = get_depth(x11->screen, 32);
+ if (!x11->depth) {
+ wlr_log(WLR_ERROR, "Failed to get 32-bit depth for X11 screen");
+ goto error_display;
+ }
+
+ x11->visualid = pick_visualid(x11->depth);
+ if (!x11->visualid) {
+ wlr_log(WLR_ERROR, "Failed to pick X11 visual");
+ goto error_display;
+ }
+
+ x11->x11_format = x11_format_from_depth(x11->depth->depth);
+ if (!x11->x11_format) {
+ wlr_log(WLR_ERROR, "Unsupported depth %"PRIu8, x11->depth->depth);
+ goto error_display;
+ }
+
+ x11->colormap = xcb_generate_id(x11->xcb);
+ xcb_create_colormap(x11->xcb, XCB_COLORMAP_ALLOC_NONE, x11->colormap,
+ x11->screen->root, x11->visualid);
if (!create_renderer_func) {
create_renderer_func = wlr_renderer_autocreate;
@@ -306,18 +421,53 @@ struct wlr_backend *wlr_x11_backend_create(struct wl_display *display,
EGL_RED_SIZE, 1,
EGL_GREEN_SIZE, 1,
EGL_BLUE_SIZE, 1,
- EGL_ALPHA_SIZE, 0,
+ EGL_ALPHA_SIZE, 1,
EGL_NONE,
};
x11->renderer = create_renderer_func(&x11->egl, EGL_PLATFORM_X11_KHR,
x11->xlib_conn, config_attribs, x11->screen->root_visual);
-
if (x11->renderer == NULL) {
wlr_log(WLR_ERROR, "Failed to create renderer");
goto error_event;
}
+ // TODO: we can use DRI3Open instead
+ int drm_fd = wlr_renderer_get_drm_fd(x11->renderer);
+ if (fd < 0) {
+ wlr_log(WLR_ERROR, "Failed to get DRM device FD from renderer");
+ return false;
+ }
+
+ drm_fd = dup(drm_fd);
+ if (fd < 0) {
+ wlr_log_errno(WLR_ERROR, "dup failed");
+ return false;
+ }
+
+ struct wlr_gbm_allocator *alloc = wlr_gbm_allocator_create(drm_fd);
+ if (alloc == NULL) {
+ wlr_log(WLR_ERROR, "Failed to create GBM allocator");
+ return false;
+ }
+ x11->allocator = &alloc->base;
+
+ const struct wlr_drm_format_set *formats =
+ wlr_renderer_get_dmabuf_render_formats(x11->renderer);
+ if (formats == NULL) {
+ wlr_log(WLR_ERROR, "Failed to get available DMA-BUF formats from renderer");
+ return false;
+ }
+ const struct wlr_drm_format *format =
+ wlr_drm_format_set_get(formats, x11->x11_format->drm);
+ if (format == NULL) {
+ wlr_log(WLR_ERROR, "Renderer doesn't support DRM format 0x%"PRIX32,
+ x11->x11_format->drm);
+ return false;
+ }
+ // TODO intersect modifiers with DRI3GetSupportedModifiers
+ x11->drm_format = wlr_drm_format_dup(format);
+
#if WLR_HAS_XCB_ERRORS
if (xcb_errors_context_new(x11->xcb, &x11->errors_context) != 0) {
wlr_log(WLR_ERROR, "Failed to create error context");
@@ -325,6 +475,8 @@ struct wlr_backend *wlr_x11_backend_create(struct wl_display *display,
}
#endif
+ x11->present_event_id = xcb_generate_id(x11->xcb);
+
wlr_input_device_init(&x11->keyboard_dev, WLR_INPUT_DEVICE_KEYBOARD,
&input_device_impl, "X11 keyboard", 0, 0);
wlr_keyboard_init(&x11->keyboard, &keyboard_impl);
diff --git a/backend/x11/meson.build b/backend/x11/meson.build
index 40530bb0..51c6dd04 100644
--- a/backend/x11/meson.build
+++ b/backend/x11/meson.build
@@ -2,8 +2,10 @@ x11_libs = []
x11_required = [
'x11-xcb',
'xcb',
- 'xcb-xinput',
+ 'xcb-dri3',
+ 'xcb-present',
'xcb-xfixes',
+ 'xcb-xinput',
]
msg = []
diff --git a/backend/x11/output.c b/backend/x11/output.c
index 07374b61..0e81179d 100644
--- a/backend/x11/output.c
+++ b/backend/x11/output.c
@@ -4,6 +4,9 @@
#include <stdlib.h>
#include <string.h>
+#include <drm_fourcc.h>
+#include <xcb/dri3.h>
+#include <xcb/present.h>
#include <xcb/xcb.h>
#include <xcb/xinput.h>
@@ -13,6 +16,8 @@
#include <wlr/util/log.h>
#include "backend/x11.h"
+#include "render/swapchain.h"
+#include "render/wlr_renderer.h"
#include "util/signal.h"
static int signal_frame(void *data) {
@@ -85,7 +90,8 @@ static void output_destroy(struct wlr_output *wlr_output) {
wl_list_remove(&output->link);
wl_event_source_remove(output->frame_timer);
- wlr_egl_destroy_surface(&x11->egl, output->surf);
+ wlr_buffer_unlock(output->back_buffer);
+ wlr_swapchain_destroy(output->swapchain);
xcb_destroy_window(x11->xcb, output->win);
xcb_flush(x11->xcb);
free(output);
@@ -96,7 +102,20 @@ static bool output_attach_render(struct wlr_output *wlr_output,
struct wlr_x11_output *output = get_x11_output_from_output(wlr_output);
struct wlr_x11_backend *x11 = output->x11;
- return wlr_egl_make_current(&x11->egl, output->surf, buffer_age);
+ wlr_buffer_unlock(output->back_buffer);
+ output->back_buffer = wlr_swapchain_acquire(output->swapchain, buffer_age);
+ if (!output->back_buffer) {
+ return false;
+ }
+
+ if (!wlr_egl_make_current(&x11->egl, EGL_NO_SURFACE, NULL)) {
+ return false;
+ }
+ if (!wlr_renderer_bind_buffer(x11->renderer, output->back_buffer)) {
+ return false;
+ }
+
+ return true;
}
static bool output_test(struct wlr_output *wlr_output) {
@@ -112,6 +131,125 @@ static bool output_test(struct wlr_output *wlr_output) {
return true;
}
+static struct wlr_x11_buffer *import_x11_buffer(struct wlr_x11_output *output,
+ struct wlr_buffer *wlr_buffer) {
+ struct wlr_x11_backend *x11 = output->x11;
+
+ struct wlr_dmabuf_attributes attrs = {0};
+ if (!wlr_buffer_get_dmabuf(wlr_buffer, &attrs)) {
+ return NULL;
+ }
+
+ if (attrs.format != x11->x11_format->drm) {
+ // The pixmap's depth must match the window's depth, otherwise Present
+ // will throw a Match error
+ return NULL;
+ }
+
+ // xcb closes the FDs after sending them, so we need to dup them here
+ struct wlr_dmabuf_attributes dup_attrs = {0};
+ if (!wlr_dmabuf_attributes_copy(&dup_attrs, &attrs)) {
+ return NULL;
+ }
+
+ const struct wlr_x11_format *x11_fmt = x11->x11_format;
+ xcb_pixmap_t pixmap = xcb_generate_id(x11->xcb);
+ xcb_dri3_pixmap_from_buffers(x11->xcb, pixmap, output->win,
+ attrs.n_planes, attrs.width, attrs.height, attrs.stride[0],
+ attrs.offset[0], attrs.stride[1], attrs.offset[1], attrs.stride[2],
+ attrs.offset[2], attrs.stride[3], attrs.offset[3], x11_fmt->depth,
+ x11_fmt->bpp, attrs.modifier, dup_attrs.fd);
+
+ struct wlr_x11_buffer *buffer = calloc(1, sizeof(struct wlr_x11_buffer));
+ if (!buffer) {
+ xcb_free_pixmap(x11->xcb, pixmap);
+ return NULL;
+ }
+ buffer->buffer = wlr_buffer_lock(wlr_buffer);
+ buffer->pixmap = pixmap;
+ buffer->x11 = x11;
+ wl_list_insert(&output->buffers, &buffer->link);
+ return buffer;
+}
+
+static void destroy_x11_buffer(struct wlr_x11_buffer *buffer) {
+ if (!buffer) {
+ return;
+ }
+ wl_list_remove(&buffer->link);
+ xcb_free_pixmap(buffer->x11->xcb, buffer->pixmap);
+ wlr_buffer_unlock(buffer->buffer);
+ free(buffer);
+}
+
+static bool output_commit_buffer(struct wlr_x11_output *output) {
+ struct wlr_x11_backend *x11 = output->x11;
+
+ assert(output->back_buffer != NULL);
+
+ wlr_renderer_bind_buffer(x11->renderer, NULL);
+ wlr_egl_unset_current(&x11->egl);
+
+ struct wlr_x11_buffer *x11_buffer =
+ import_x11_buffer(output, output->back_buffer);
+ if (!x11_buffer) {
+ goto error;
+ }
+
+ xcb_xfixes_region_t region = XCB_NONE;
+ if (output->wlr_output.pending.committed & WLR_OUTPUT_STATE_DAMAGE) {
+ pixman_region32_t *damage = &output->wlr_output.pending.damage;
+
+ int rects_len = 0;
+ pixman_box32_t *rects = pixman_region32_rectangles(damage, &rects_len);
+
+ xcb_rectangle_t *xcb_rects = calloc(rects_len, sizeof(xcb_rectangle_t));
+ if (!xcb_rects) {
+ goto error;
+ }
+
+ for (int i = 0; i < rects_len; i++) {
+ pixman_box32_t *box = &rects[i];
+ xcb_rects[i] = (struct xcb_rectangle_t){
+ .x = box->x1,
+ .y = box->y1,
+ .width = box->x2 - box->x1,
+ .height = box->y2 - box->y1,
+ };
+ }
+
+ xcb_xfixes_region_t region = xcb_generate_id(x11->xcb);
+ xcb_xfixes_create_region(x11->xcb, region, rects_len, xcb_rects);
+
+ free(xcb_rects);
+ }
+
+ uint32_t serial = output->wlr_output.commit_seq;
+ uint32_t options = 0;
+ xcb_present_pixmap(x11->xcb, output->win, x11_buffer->pixmap, serial,
+ 0, region, 0, 0, XCB_NONE, XCB_NONE, XCB_NONE, options, 0, 0, 0,
+ 0, NULL);
+
+ if (region != XCB_NONE) {
+ xcb_xfixes_destroy_region(x11->xcb, region);
+ }
+
+ wlr_buffer_unlock(output->back_buffer);
+ output->back_buffer = NULL;
+
+ wlr_swapchain_set_buffer_submitted(output->swapchain, x11_buffer->buffer);
+
+ wlr_output_send_present(&output->wlr_output, NULL);
+
+ return true;
+
+error:
+ destroy_x11_buffer(x11_buffer);
+ wlr_buffer_unlock(output->back_buffer);
+ output->back_buffer = NULL;
+ return false;
+}
+
static bool output_commit(struct wlr_output *wlr_output) {
struct wlr_x11_output *output = get_x11_output_from_output(wlr_output);
struct wlr_x11_backend *x11 = output->x11;
@@ -145,24 +283,21 @@ static bool output_commit(struct wlr_output *wlr_output) {
}
if (wlr_output->pending.committed & WLR_OUTPUT_STATE_BUFFER) {
- pixman_region32_t *damage = NULL;
- if (wlr_output->pending.committed & WLR_OUTPUT_STATE_DAMAGE) {
- damage = &wlr_output->pending.damage;
- }
-
- if (!wlr_egl_swap_buffers(&x11->egl, output->surf, damage)) {
+ if (!output_commit_buffer(output)) {
return false;
}
-
- wlr_output_send_present(wlr_output, NULL);
}
+ xcb_flush(x11->xcb);
+
return true;
}
static void output_rollback_render(struct wlr_output *wlr_output) {
struct wlr_x11_output *output = get_x11_output_from_output(wlr_output);
- wlr_egl_unset_current(&output->x11->egl);
+ struct wlr_x11_backend *x11 = output->x11;
+ wlr_renderer_bind_buffer(x11->renderer, NULL);
+ wlr_egl_unset_current(&x11->egl);
}
static const struct wlr_output_impl output_impl = {
@@ -186,6 +321,7 @@ struct wlr_output *wlr_x11_output_create(struct wlr_backend *backend) {
return NULL;
}
output->x11 = x11;
+ wl_list_init(&output->buffers);
struct wlr_output *wlr_output = &output->wlr_output;
wlr_output_init(wlr_output, &x11->backend, &output_impl, x11->wl_display);
@@ -193,6 +329,14 @@ struct wlr_output *wlr_x11_output_create(struct wlr_backend *backend) {
wlr_output->width = 1024;
wlr_output->height = 768;
+ output->swapchain = wlr_swapchain_create(x11->allocator,
+ wlr_output->width, wlr_output->height, x11->drm_format);
+ if (!output->swapchain) {
+ wlr_log(WLR_ERROR, "Failed to create swapchain");
+ free(output);
+ return NULL;
+ }
+
output_set_refresh(&output->wlr_output, 0);
snprintf(wlr_output->name, sizeof(wlr_output->name), "X11-%zd",
@@ -204,14 +348,18 @@ struct wlr_output *wlr_x11_output_create(struct wlr_backend *backend) {
"X11 output %zd", x11->last_output_num);
wlr_output_set_description(wlr_output, description);
- uint32_t mask = XCB_CW_EVENT_MASK;
+ // The X11 protocol requires us to set a colormap and border pixel if the
+ // depth doesn't match the root window's
+ uint32_t mask = XCB_CW_BORDER_PIXEL | XCB_CW_EVENT_MASK | XCB_CW_COLORMAP;
uint32_t values[] = {
- XCB_EVENT_MASK_EXPOSURE | XCB_EVENT_MASK_STRUCTURE_NOTIFY
+ 0,
+ XCB_EVENT_MASK_EXPOSURE | XCB_EVENT_MASK_STRUCTURE_NOTIFY,
+ x11->colormap,
};
output->win = xcb_generate_id(x11->xcb);
- xcb_create_window(x11->xcb, XCB_COPY_FROM_PARENT, output->win,
- x11->screen->root, 0, 0, wlr_output->width, wlr_output->height, 1,
- XCB_WINDOW_CLASS_INPUT_OUTPUT, x11->screen->root_visual, mask, values);
+ xcb_create_window(x11->xcb, x11->depth->depth, output->win,
+ x11->screen->root, 0, 0, wlr_output->width, wlr_output->height, 0,
+ XCB_WINDOW_CLASS_INPUT_OUTPUT, x11->visualid, mask, values);
struct {
xcb_input_event_mask_t head;
@@ -227,16 +375,14 @@ struct wlr_output *wlr_x11_output_create(struct wlr_backend *backend) {
XCB_INPUT_XI_EVENT_MASK_LEAVE |
XCB_INPUT_XI_EVENT_MASK_TOUCH_BEGIN |
XCB_INPUT_XI_EVENT_MASK_TOUCH_END |
- XCB_INPUT_XI_EVENT_MASK_TOUCH_UPDATE,
+ XCB_INPUT_XI_EVENT_MASK_TOUCH_UPDATE |
+ XCB_PRESENT_EVENT_MASK_IDLE_NOTIFY,
};
xcb_input_xi_select_events(x11->xcb, output->win, 1, &xinput_mask.head);
- output->surf = wlr_egl_create_surface(&x11->egl, &output->win);
- if (!output->surf) {
- wlr_log(WLR_ERROR, "Failed to create EGL surface");
- free(output);
- return NULL;
- }
+ uint32_t present_mask = XCB_PRESENT_EVENT_MASK_IDLE_NOTIFY;
+ xcb_present_select_input(x11->xcb, x11->present_event_id, output->win,
+ present_mask);
xcb_change_property(x11->xcb, XCB_PROP_MODE_REPLACE, output->win,
x11->atoms.wm_protocols, XCB_ATOM_ATOM, 32, 1,
@@ -278,17 +424,30 @@ struct wlr_output *wlr_x11_output_create(struct wlr_backend *backend) {
void handle_x11_configure_notify(struct wlr_x11_output *output,
xcb_configure_notify_event_t *ev) {
// ignore events that set an invalid size:
- if (ev->width > 0 && ev->height > 0) {
- wlr_output_update_custom_mode(&output->wlr_output, ev->width,
- ev->height, output->wlr_output.refresh);
-
- // Move the pointer to its new location
- update_x11_pointer_position(output, output->x11->time);
- } else {
+ if (ev->width == 0 || ev->height == 0) {
wlr_log(WLR_DEBUG,
"Ignoring X11 configure event for height=%d, width=%d",
ev->width, ev->height);
+ return;
+ }
+
+ if (output->swapchain->width != ev->width ||
+ output->swapchain->height != ev->height) {
+ struct wlr_swapchain *swapchain = wlr_swapchain_create(
+ output->x11->allocator, ev->width, ev->height,
+ output->x11->drm_format);
+ if (!swapchain) {
+ return;
+ }
+ wlr_swapchain_destroy(output->swapchain);
+ output->swapchain = swapchain;
}
+
+ wlr_output_update_custom_mode(&output->wlr_output, ev->width,
+ ev->height, output->wlr_output.refresh);
+
+ // Move the pointer to its new location
+ update_x11_pointer_position(output, output->x11->time);
}
bool wlr_output_is_x11(struct wlr_output *wlr_output) {
@@ -310,3 +469,42 @@ void wlr_x11_output_set_title(struct wlr_output *output, const char *title) {
x11_output->x11->atoms.net_wm_name, x11_output->x11->atoms.utf8_string, 8,
strlen(title), title);
}
+
+static struct wlr_x11_buffer *get_x11_buffer(struct wlr_x11_output *output,
+ xcb_pixmap_t pixmap) {
+ struct wlr_x11_buffer *buffer;
+ wl_list_for_each(buffer, &output->buffers, link) {
+ if (buffer->pixmap == pixmap) {
+ return buffer;
+ }
+ }
+ return NULL;
+}
+
+void handle_x11_present_event(struct wlr_x11_backend *x11,
+ xcb_ge_generic_event_t *event) {
+ switch (event->event_type) {
+ case XCB_PRESENT_EVENT_IDLE_NOTIFY:;
+ xcb_present_idle_notify_event_t *idle_notify =
+ (xcb_present_idle_notify_event_t *)event;
+
+ struct wlr_x11_output *output =
+ get_x11_output_from_window_id(x11, idle_notify->window);
+ if (!output) {
+ wlr_log(WLR_DEBUG, "Got PresentIdleNotify event for unknown window");
+ return;
+ }
+
+ struct wlr_x11_buffer *buffer =
+ get_x11_buffer(output, idle_notify->pixmap);
+ if (!buffer) {
+ wlr_log(WLR_DEBUG, "Got PresentIdleNotify event for unknown buffer");
+ return;
+ }
+
+ destroy_x11_buffer(buffer);
+ break;
+ default:
+ wlr_log(WLR_DEBUG, "Unhandled Present event %"PRIu16, event->event_type);
+ }
+}
generated by cgit v1.2.3 (git 2.39.1) at 2024-09-20 22:04:34 +0000