dep_wayland_client = dependency('wayland-client', version: '>= 1.17.0')
+dep_pixman = dependency('pixman-1', version: '>= 0.25.2')
clients = [
{
'basename': 'agl-screenshooter',
'sources': [
- 'screenshooter.c',
+ 'screenshot.c',
'../shared/file-util.c',
'../shared/os-compatibility.c',
'../shared/xalloc.c',
- agl_screenshooter_client_protocol_h,
- agl_screenshooter_protocol_c,
- xdg_output_unstable_v1_client_protocol_h,
- xdg_output_unstable_v1_protocol_c,
+ weston_output_capture_protocol_c,
+ weston_output_capture_client_protocol_h,
],
- 'deps_objs' : [ dep_wayland_client ],
- 'deps': [ 'cairo' ],
+ 'deps_objs' : [ dep_wayland_client, dep_pixman ],
+ 'deps': [ 'cairo', ],
},
]
+++ /dev/null
-/*
- * Copyright © 2020 Collabora, Ltd.
- *
- * Permission is hereby granted, free of charge, to any person obtaining
- * a copy of this software and associated documentation files (the
- * "Software"), to deal in the Software without restriction, including
- * without limitation the rights to use, copy, modify, merge, publish,
- * distribute, sublicense, and/or sell copies of the Software, and to
- * permit persons to whom the Software is furnished to do so, subject to
- * the following conditions:
- *
- * The above copyright notice and this permission notice (including the
- * next paragraph) shall be included in all copies or substantial
- * portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
- * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
- * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
- * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
- * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
- * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
- * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
- * SOFTWARE.
- */
-
-#include <stdint.h>
-#include <errno.h>
-#include <stdlib.h>
-#include <stdio.h>
-#include <string.h>
-#include <fcntl.h>
-#include <unistd.h>
-#include <limits.h>
-#include <sys/param.h>
-#include <sys/mman.h>
-#include <getopt.h>
-#include <cairo.h>
-
-#include <wayland-client.h>
-#include "shared/helpers.h"
-#include "shared/xalloc.h"
-#include "shared/file-util.h"
-#include "shared/string-helpers.h"
-#include "shared/os-compatibility.h"
-#include "agl-screenshooter-client-protocol.h"
-#include "xdg-output-unstable-v1-client-protocol.h"
-
-struct screenshooter_data;
-
-struct screenshooter_output {
- struct wl_output *output;
- struct wl_buffer *buffer;
-
- int width, height, offset_x, offset_y, scale;
- void *data;
- struct screenshooter_data *sh_data;
-
- struct wl_list link; /** screenshooter_data::output_list */
-};
-
-struct xdg_output_v1_info {
- struct zxdg_output_v1 *xdg_output;
- struct screenshooter_output *output;
-
- char *name, *description;
- struct wl_list link; /** screenshooter_data::xdg_output_list */
-};
-
-
-struct buffer_size {
- int width, height;
-
- int min_x, min_y;
- int max_x, max_y;
-};
-
-struct screenshooter_data {
- struct wl_display *display;
- struct wl_shm *shm;
- struct wl_list output_list; /** screenshooter_output::link */
- struct wl_list xdg_output_list; /** xdg_output_v1_info::link */
-
- struct zxdg_output_manager_v1 *xdg_output_manager;
- struct agl_screenshooter *screenshooter;
- int buffer_copy_done;
-};
-
-static int opts = 0x0;
-
-#define OPT_SCREENSHOT_OUTPUT 1
-#define OPT_SHOW_ALL_OUTPUTS 2
-#define OPT_SCREENSHOT_ALL_OUTPUTS 3
-
-static void
-display_handle_geometry(void *data,
- struct wl_output *wl_output,
- int x,
- int y,
- int physical_width,
- int physical_height,
- int subpixel,
- const char *make,
- const char *model,
- int transform)
-{
- struct screenshooter_output *output;
-
- output = wl_output_get_user_data(wl_output);
-
- if (wl_output == output->output) {
- output->offset_x = x;
- output->offset_y = y;
- }
-}
-
-static void
-display_handle_mode(void *data,
- struct wl_output *wl_output,
- uint32_t flags,
- int width,
- int height,
- int refresh)
-{
- struct screenshooter_output *output;
-
- output = wl_output_get_user_data(wl_output);
-
- if (wl_output == output->output && (flags & WL_OUTPUT_MODE_CURRENT)) {
- output->width = width;
- output->height = height;
- }
-}
-
-static void
-display_handle_done(void *data, struct wl_output *wl_output)
-{
-
-}
-
-static void
-display_handle_scale(void *data, struct wl_output *wl_output,
- int32_t scale)
-{
- struct screenshooter_output *output = data;
- output->scale = scale;
-}
-
-
-static const struct wl_output_listener output_listener = {
- display_handle_geometry,
- display_handle_mode,
- display_handle_done,
- display_handle_scale,
- NULL,
- NULL
-};
-
-static void
-handle_xdg_output_v1_logical_position(void *data, struct zxdg_output_v1 *output,
- int32_t x, int32_t y)
-{
-}
-
-static void
-handle_xdg_output_v1_logical_size(void *data, struct zxdg_output_v1 *output,
- int32_t width, int32_t height)
-{
-}
-
-static void
-handle_xdg_output_v1_done(void *data, struct zxdg_output_v1 *output)
-{
- /* Don't bother waiting for this; there's no good reason a
- * compositor will wait more than one roundtrip before sending
- * these initial events. */
-}
-
-static void
-handle_xdg_output_v1_name(void *data, struct zxdg_output_v1 *output,
- const char *name)
-{
- struct xdg_output_v1_info *xdg_output = data;
- xdg_output->name = strdup(name);
-}
-
-static void
-handle_xdg_output_v1_description(void *data, struct zxdg_output_v1 *output,
- const char *description)
-{
- struct xdg_output_v1_info *xdg_output = data;
- xdg_output->description = strdup(description);
-}
-
-static const struct zxdg_output_v1_listener xdg_output_v1_listener = {
- .logical_position = handle_xdg_output_v1_logical_position,
- .logical_size = handle_xdg_output_v1_logical_size,
- .done = handle_xdg_output_v1_done,
- .name = handle_xdg_output_v1_name,
- .description = handle_xdg_output_v1_description,
-};
-
-static void
-add_xdg_output_v1_info(struct screenshooter_data *shooter_data,
- struct screenshooter_output *output)
-{
- struct xdg_output_v1_info *xdg_output = zalloc(sizeof(*xdg_output));
- if (!xdg_output)
- return;
-
- wl_list_insert(&shooter_data->xdg_output_list, &xdg_output->link);
-
- xdg_output->xdg_output =
- zxdg_output_manager_v1_get_xdg_output(shooter_data->xdg_output_manager,
- output->output);
-
- zxdg_output_v1_add_listener(xdg_output->xdg_output,
- &xdg_output_v1_listener, xdg_output);
- xdg_output->output = output;
-}
-
-static void
-screenshot_done(void *data, struct agl_screenshooter *screenshooter, uint32_t status)
-{
- struct screenshooter_data *sh_data = data;
- sh_data->buffer_copy_done = 1;
-}
-
-static const struct agl_screenshooter_listener screenshooter_listener = {
- screenshot_done
-};
-
-static void
-handle_global(void *data, struct wl_registry *registry,
- uint32_t name, const char *interface, uint32_t version)
-{
- struct screenshooter_output *output;
- struct screenshooter_data *sh_data = data;
-
- if (strcmp(interface, "wl_output") == 0) {
- output = zalloc(sizeof(*output));
- if (!output)
- return;
-
- output->output = wl_registry_bind(registry, name,
- &wl_output_interface, 1);
- output->sh_data = sh_data;
- wl_list_insert(&sh_data->output_list, &output->link);
- wl_output_add_listener(output->output, &output_listener, output);
- } else if (strcmp(interface, "wl_shm") == 0) {
- sh_data->shm = wl_registry_bind(registry, name, &wl_shm_interface, 1);
- } else if (strcmp(interface, "agl_screenshooter") == 0) {
- sh_data->screenshooter = wl_registry_bind(registry, name,
- &agl_screenshooter_interface, 1);
-
- agl_screenshooter_add_listener(sh_data->screenshooter,
- &screenshooter_listener, sh_data);
- } else if (strcmp(interface, "zxdg_output_manager_v1") == 0) {
- sh_data->xdg_output_manager = wl_registry_bind(registry, name,
- &zxdg_output_manager_v1_interface, version);
- }
-}
-
-static void
-handle_global_remove(void *data, struct wl_registry *registry, uint32_t name)
-{
- /* XXX: unimplemented */
-}
-
-static const struct wl_registry_listener registry_listener = {
- handle_global,
- handle_global_remove
-};
-
-static struct wl_buffer *
-screenshot_create_shm_buffer(int width, int height, void **data_out,
- struct wl_shm *shm)
-{
- struct wl_shm_pool *pool;
- struct wl_buffer *buffer;
- int fd, size, stride;
- void *data;
-
- stride = width * 4;
- size = stride * height;
-
- fd = os_create_anonymous_file(size);
- if (fd < 0) {
- fprintf(stderr, "creating a buffer file for %d B failed: %s\n",
- size, strerror(errno));
- return NULL;
- }
-
- data = mmap(NULL, size, PROT_READ | PROT_WRITE, MAP_SHARED, fd, 0);
- if (data == MAP_FAILED) {
- fprintf(stderr, "mmap failed: %s\n", strerror(errno));
- close(fd);
- return NULL;
- }
-
- pool = wl_shm_create_pool(shm, fd, size);
- close(fd);
- buffer = wl_shm_pool_create_buffer(pool, 0, width, height, stride,
- WL_SHM_FORMAT_XRGB8888);
- wl_shm_pool_destroy(pool);
-
- *data_out = data;
-
- return buffer;
-}
-
-static void
-screenshot_write_png_per_output(const struct buffer_size *buff_size,
- struct screenshooter_output *sh_output,
- const char *fn)
-{
- int output_stride, buffer_stride, i;
- cairo_surface_t *surface;
- void *data, *d, *s;
- FILE *fp;
- char filepath[PATH_MAX];
- char *filename_to_write;
-
- buffer_stride = buff_size->width * 4;
- data = xmalloc(buffer_stride * buff_size->height);
- if (!data)
- return;
-
- output_stride = sh_output->width * 4;
- s = sh_output->data;
- d = data + (sh_output->offset_y - buff_size->min_y) * buffer_stride +
- (sh_output->offset_x - buff_size->min_x) * 4;
-
- for (i = 0; i < sh_output->height; i++) {
- memcpy(d, s, output_stride);
- d += buffer_stride;
- s += output_stride;
- }
-
- surface = cairo_image_surface_create_for_data(data,
- CAIRO_FORMAT_ARGB32,
- buff_size->width,
- buff_size->height,
- buffer_stride);
-
- if (fn)
- str_printf(&filename_to_write, "agl-screenshot-%s-", fn);
- else
- str_printf(&filename_to_write, "agl-screenshot-");
-
- fp = file_create_dated(getenv("XDG_PICTURES_DIR"), filename_to_write,
- ".png", filepath, sizeof(filepath));
- if (fp) {
- fclose(fp);
- cairo_surface_write_to_png(surface, filepath);
- }
-
- cairo_surface_destroy(surface);
- free(filename_to_write);
- free(data);
-}
-
-static void
-screenshot_set_buffer_size_per_output(struct buffer_size *buff_size,
- struct screenshooter_output *output)
-{
- buff_size->min_x = MIN(buff_size->min_x, output->offset_x);
- buff_size->min_y = MIN(buff_size->min_y, output->offset_y);
- buff_size->max_x = MAX(buff_size->max_x, output->offset_x + output->width);
- buff_size->max_y = MAX(buff_size->max_y, output->offset_y + output->height);
-
- buff_size->width = buff_size->max_x - buff_size->min_x;
- buff_size->height = buff_size->max_y - buff_size->min_y;
-}
-
-static void
-screenshot_compute_output_offset(int *pos, struct screenshooter_output *sh_output)
-{
- sh_output->offset_x = *pos;
- *pos += sh_output->width;
-}
-
-static struct screenshooter_output *
-agl_shooter_search_for_output(const char *output_name,
- struct screenshooter_data *sh_data)
-{
- struct screenshooter_output *found_output = NULL;
- struct xdg_output_v1_info *output;
-
- if (!output_name)
- return found_output;
-
- wl_list_for_each(output, &sh_data->xdg_output_list, link) {
- if (output->name && strcmp(output->name, output_name) == 0) {
- found_output = output->output;
- break;
- }
- }
-
- return found_output;
-}
-
-static char *
-agl_shooter_search_get_output_name(struct screenshooter_output *sh_output)
-{
- struct xdg_output_v1_info *output;
- struct screenshooter_data *sh_data;
-
- if (!sh_output)
- return NULL;
-
- sh_data = sh_output->sh_data;
-
- wl_list_for_each(output, &sh_data->xdg_output_list, link) {
- if (output->output == sh_output) {
- return output->name;
- }
- }
-
- return NULL;
-}
-
-static void
-agl_shooter_display_all_outputs(struct screenshooter_data *sh_data)
-{
- struct xdg_output_v1_info *xdg_output;
- wl_list_for_each(xdg_output, &sh_data->xdg_output_list, link) {
- fprintf(stdout, "Output '%s', desc: '%s'\n", xdg_output->name,
- xdg_output->description);
- }
-}
-
-
-static void
-agl_shooter_screenshot_all_outputs(struct screenshooter_data *sh_data)
-{
- struct xdg_output_v1_info *xdg_output;
-
- wl_list_for_each(xdg_output, &sh_data->xdg_output_list, link) {
- struct buffer_size buff_size = {};
- int pos = 0;
- struct screenshooter_output *output = xdg_output->output;
-
- screenshot_compute_output_offset(&pos, output);
- screenshot_set_buffer_size_per_output(&buff_size, output);
-
- output->buffer =
- screenshot_create_shm_buffer(output->width,
- output->height,
- &output->data,
- sh_data->shm);
-
- agl_screenshooter_take_shot(sh_data->screenshooter,
- output->output,
- output->buffer);
-
- sh_data->buffer_copy_done = 0;
- while (!sh_data->buffer_copy_done)
- wl_display_roundtrip(sh_data->display);
-
- screenshot_write_png_per_output(&buff_size, output, xdg_output->name);
- }
-}
-
-static void
-agl_shooter_screenshot_output(struct screenshooter_output *sh_output)
-{
- int pos = 0;
- struct buffer_size buff_size = {};
- struct screenshooter_data *sh_data = sh_output->sh_data;
- char *output_name;
-
- screenshot_compute_output_offset(&pos, sh_output);
- screenshot_set_buffer_size_per_output(&buff_size, sh_output);
-
- sh_output->buffer =
- screenshot_create_shm_buffer(sh_output->width,
- sh_output->height,
- &sh_output->data, sh_data->shm);
-
- agl_screenshooter_take_shot(sh_data->screenshooter,
- sh_output->output,
- sh_output->buffer);
-
- sh_data->buffer_copy_done = 0;
- while (!sh_data->buffer_copy_done)
- wl_display_roundtrip(sh_data->display);
-
- output_name = agl_shooter_search_get_output_name(sh_output);
- assert(output_name);
- screenshot_write_png_per_output(&buff_size, sh_output, output_name);
-}
-
-static void
-agl_shooter_destroy_xdg_output_manager(struct screenshooter_data *sh_data)
-{
- struct xdg_output_v1_info *xdg_output;
-
- wl_list_for_each(xdg_output, &sh_data->xdg_output_list, link) {
- free(xdg_output->name);
- free(xdg_output->description);
- zxdg_output_v1_destroy(xdg_output->xdg_output);
- }
-
- zxdg_output_manager_v1_destroy(sh_data->xdg_output_manager);
-}
-
-static void
-print_usage_and_exit(void)
-{
- fprintf(stderr, "./agl-screenshooter [-o OUTPUT_NAME] [-l] [-a]\n");
-
- fprintf(stderr, "\t-o OUTPUT_NAME -- take a screenshot of the output "
- "specified by OUTPUT_NAME\n");
- fprintf(stderr, "\t-a -- take a screenshot of all the outputs found\n");
- fprintf(stderr, "\t-l -- list all the outputs found\n");
- exit(EXIT_FAILURE);
-}
-
-int main(int argc, char *argv[])
-{
- struct wl_display *display;
- struct wl_registry *registry;
-
- struct screenshooter_data sh_data = {};
- struct screenshooter_output *sh_output = NULL;
- int c, option_index;
-
- char *output_name = NULL;
-
- static struct option long_options[] = {
- {"output", required_argument, 0, 'o' },
- {"list", required_argument, 0, 'l' },
- {"all", required_argument, 0, 'a' },
- {"help", no_argument , 0, 'h' },
- {0, 0, 0, 0}
- };
-
- while ((c = getopt_long(argc, argv, "o:lah",
- long_options, &option_index)) != -1) {
- switch (c) {
- case 'o':
- output_name = optarg;
- opts |= (1 << OPT_SCREENSHOT_OUTPUT);
- break;
- case 'l':
- opts |= (1 << OPT_SHOW_ALL_OUTPUTS);
- break;
- case 'a':
- opts |= (1 << OPT_SCREENSHOT_ALL_OUTPUTS);
- break;
- default:
- print_usage_and_exit();
- }
- }
-
- display = wl_display_connect(NULL);
- if (display == NULL) {
- fprintf(stderr, "failed to create display: %s\n",
- strerror(errno));
- return EXIT_FAILURE;
- }
-
- wl_list_init(&sh_data.output_list);
- wl_list_init(&sh_data.xdg_output_list);
- sh_data.display = display;
-
- registry = wl_display_get_registry(display);
- wl_registry_add_listener(registry, ®istry_listener, &sh_data);
-
- wl_display_dispatch(display);
- wl_display_roundtrip(display);
-
-
- if (sh_data.screenshooter == NULL) {
- fprintf(stderr, "Compositor doesn't support screenshooter\n");
- return EXIT_FAILURE;
- }
-
- wl_list_for_each(sh_output, &sh_data.output_list, link)
- add_xdg_output_v1_info(&sh_data, sh_output);
-
- /* do another round-trip for xdg_output */
- wl_display_roundtrip(sh_data.display);
-
- if (opts & (1 << OPT_SHOW_ALL_OUTPUTS)) {
- agl_shooter_display_all_outputs(&sh_data);
- agl_shooter_destroy_xdg_output_manager(&sh_data);
- return EXIT_SUCCESS;
- }
-
- if (opts & (1 << OPT_SCREENSHOT_ALL_OUTPUTS)) {
- agl_shooter_screenshot_all_outputs(&sh_data);
- agl_shooter_destroy_xdg_output_manager(&sh_data);
- return EXIT_SUCCESS;
- }
-
- sh_output = NULL;
- if (output_name)
- sh_output = agl_shooter_search_for_output(output_name, &sh_data);
-
- if (!sh_output && (opts & (1 << OPT_SCREENSHOT_OUTPUT))) {
- fprintf(stderr, "Could not find an output matching '%s'\n",
- output_name);
- agl_shooter_destroy_xdg_output_manager(&sh_data);
- return EXIT_FAILURE;
- }
-
- /* if we're still here just pick the first one available
- * and use that. Still useful in case we are run without
- * any args whatsoever */
- if (!sh_output)
- sh_output = container_of(sh_data.output_list.next,
- struct screenshooter_output, link);
-
- /* take a screenshot only of that specific output */
- agl_shooter_screenshot_output(sh_output);
- agl_shooter_destroy_xdg_output_manager(&sh_data);
-
- return 0;
-}
--- /dev/null
+/*
+ * Copyright 2024 Collabora, Ltd.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ */
+
+#include "config.h"
+
+#include <stdint.h>
+#include <stdbool.h>
+#include <errno.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+#include <fcntl.h>
+#include <unistd.h>
+#include <limits.h>
+#include <sys/param.h>
+#include <sys/mman.h>
+#include <pixman.h>
+#include <cairo.h>
+#include <getopt.h>
+#include <assert.h>
+
+#include <wayland-client.h>
+#include "weston-output-capture-client-protocol.h"
+#include "shared/os-compatibility.h"
+#include "shared/xalloc.h"
+#include "shared/file-util.h"
+#include "shared/pixel-formats.h"
+#include "shared/helpers.h"
+#include "shared/string-helpers.h"
+
+static int opts = 0x0;
+
+#define OPT_SCREENSHOT_OUTPUT 1
+#define OPT_SHOW_ALL_OUTPUTS 2
+#define OPT_SCREENSHOT_ALL_OUTPUTS 3
+
+struct screenshooter_app {
+ struct wl_display *display;
+ struct wl_registry *registry;
+ struct wl_shm *shm;
+ struct weston_capture_v1 *capture_factory;
+
+ struct wl_list output_list; /* struct screenshooter_output::link */
+
+ bool retry;
+ bool failed;
+ int waitcount;
+};
+
+struct screenshooter_buffer {
+ size_t len;
+ void *data;
+ struct wl_buffer *wl_buffer;
+ pixman_image_t *image;
+};
+
+struct screenshooter_output {
+ struct screenshooter_app *app;
+ struct wl_list link; /* struct screenshooter_app::output_list */
+
+ struct wl_output *wl_output;
+ int offset_x, offset_y;
+ char *name;
+
+ struct weston_capture_source_v1 *source;
+
+ int buffer_width;
+ int buffer_height;
+ const struct pixel_format_info *fmt;
+ struct screenshooter_buffer *buffer;
+};
+
+struct buffer_size {
+ int width, height;
+
+ int min_x, min_y;
+ int max_x, max_y;
+};
+
+static struct screenshooter_buffer *
+screenshot_create_shm_buffer(struct screenshooter_app *app,
+ size_t width, size_t height,
+ const struct pixel_format_info *fmt)
+{
+ struct screenshooter_buffer *buffer;
+ struct wl_shm_pool *pool;
+ int fd;
+ size_t bytes_pp;
+ size_t stride;
+
+ assert(width > 0);
+ assert(height > 0);
+ assert(fmt && fmt->bpp > 0);
+ assert(fmt->pixman_format);
+
+ buffer = xzalloc(sizeof *buffer);
+
+ bytes_pp = fmt->bpp / 8;
+ stride = width * bytes_pp;
+ buffer->len = stride * height;
+
+ assert(width == stride / bytes_pp);
+ assert(height == buffer->len / stride);
+
+ fd = os_create_anonymous_file(buffer->len);
+ if (fd < 0) {
+ fprintf(stderr, "creating a buffer file for %zd B failed: %s\n",
+ buffer->len, strerror(errno));
+ free(buffer);
+ return NULL;
+ }
+
+ buffer->data = mmap(NULL, buffer->len, PROT_READ | PROT_WRITE,
+ MAP_SHARED, fd, 0);
+ if (buffer->data == MAP_FAILED) {
+ fprintf(stderr, "mmap failed: %s\n", strerror(errno));
+ close(fd);
+ free(buffer);
+ return NULL;
+ }
+
+ pool = wl_shm_create_pool(app->shm, fd, buffer->len);
+ close(fd);
+ buffer->wl_buffer =
+ wl_shm_pool_create_buffer(pool, 0, width, height, stride,
+ pixel_format_get_shm_format(fmt));
+ wl_shm_pool_destroy(pool);
+
+ buffer->image = pixman_image_create_bits(fmt->pixman_format,
+ width, height,
+ buffer->data, stride);
+ if (!buffer->image) {
+ fprintf(stderr, "Failed to create buffer image!\n");
+ close(fd);
+ free(buffer);
+ return NULL;
+ }
+
+ return buffer;
+}
+
+static void
+screenshooter_buffer_destroy(struct screenshooter_buffer *buffer)
+{
+ if (!buffer)
+ return;
+
+ pixman_image_unref(buffer->image);
+ munmap(buffer->data, buffer->len);
+ wl_buffer_destroy(buffer->wl_buffer);
+ free(buffer);
+}
+
+static void
+capture_source_handle_format(void *data,
+ struct weston_capture_source_v1 *proxy,
+ uint32_t drm_format)
+{
+ struct screenshooter_output *output = data;
+
+ assert(output->source == proxy);
+
+ output->fmt = pixel_format_get_info(drm_format);
+}
+
+static void
+capture_source_handle_size(void *data,
+ struct weston_capture_source_v1 *proxy,
+ int32_t width, int32_t height)
+{
+ struct screenshooter_output *output = data;
+
+ assert(width > 0);
+ assert(height > 0);
+
+ output->buffer_width = width;
+ output->buffer_height = height;
+}
+
+static void
+capture_source_handle_complete(void *data,
+ struct weston_capture_source_v1 *proxy)
+{
+ struct screenshooter_output *output = data;
+
+ output->app->waitcount--;
+}
+
+static void
+capture_source_handle_retry(void *data,
+ struct weston_capture_source_v1 *proxy)
+{
+ struct screenshooter_output *output = data;
+
+ output->app->waitcount--;
+ output->app->retry = true;
+}
+
+static void
+capture_source_handle_failed(void *data,
+ struct weston_capture_source_v1 *proxy,
+ const char *msg)
+{
+ struct screenshooter_output *output = data;
+
+ output->app->waitcount--;
+ output->app->failed = true;
+
+ if (msg)
+ fprintf(stderr, "Output capture error: %s\n", msg);
+}
+
+static const struct weston_capture_source_v1_listener capture_source_handlers = {
+ .format = capture_source_handle_format,
+ .size = capture_source_handle_size,
+ .complete = capture_source_handle_complete,
+ .retry = capture_source_handle_retry,
+ .failed = capture_source_handle_failed,
+};
+
+static void
+display_handle_geometry(void *data,
+ struct wl_output *wl_output,
+ int x, int y,
+ int physical_width,
+ int physical_height,
+ int subpixel,
+ const char *make,
+ const char *model,
+ int32_t transform)
+{
+}
+
+static void
+display_handle_mode(void *data,
+ struct wl_output *wl_output,
+ uint32_t flags,
+ int width,
+ int height,
+ int refresh)
+{
+}
+
+static void
+display_handle_scale(void *data,
+ struct wl_output *wl_output,
+ int scale)
+{
+}
+
+static void
+display_handle_name(void *data, struct wl_output *wl_output, const char *name)
+{
+ struct screenshooter_output *output = data;
+ output->name = strdup(name);
+}
+
+static void
+display_handle_description(void *data, struct wl_output *wl_output, const char *desc)
+{
+}
+
+static void
+display_handle_done(void *data,
+ struct wl_output *wl_output)
+{
+}
+
+
+static const struct wl_output_listener output_listener = {
+ display_handle_geometry,
+ display_handle_mode,
+ display_handle_done,
+ display_handle_scale,
+ display_handle_name,
+ display_handle_description,
+};
+
+static void
+create_output(struct screenshooter_app *app, uint32_t output_name, uint32_t version)
+{
+ struct screenshooter_output *output;
+
+ version = MIN(version, 4);
+ output = xzalloc(sizeof *output);
+ output->app = app;
+ output->wl_output = wl_registry_bind(app->registry, output_name,
+ &wl_output_interface, version);
+ if (!output->wl_output) {
+ fprintf(stderr, "Failed to get bind output!\n");
+ exit(EXIT_FAILURE);
+ }
+
+ wl_output_add_listener(output->wl_output, &output_listener, output);
+
+ output->source = weston_capture_v1_create(app->capture_factory,
+ output->wl_output,
+ WESTON_CAPTURE_V1_SOURCE_FRAMEBUFFER);
+ if (!output->source) {
+ fprintf(stderr, "Failed to get a capture source!\n");
+ exit(EXIT_FAILURE);
+ }
+ weston_capture_source_v1_add_listener(output->source,
+ &capture_source_handlers, output);
+
+ wl_list_insert(&app->output_list, &output->link);
+}
+
+static void
+destroy_output(struct screenshooter_output *output)
+{
+ weston_capture_source_v1_destroy(output->source);
+
+ if (wl_output_get_version(output->wl_output) >= WL_OUTPUT_RELEASE_SINCE_VERSION)
+ wl_output_release(output->wl_output);
+ else
+ wl_output_destroy(output->wl_output);
+
+ screenshooter_buffer_destroy(output->buffer);
+ wl_list_remove(&output->link);
+ free(output->name);
+ free(output);
+}
+
+static void
+handle_global(void *data, struct wl_registry *registry,
+ uint32_t name, const char *interface, uint32_t version)
+{
+ struct screenshooter_app *app = data;
+
+ if (strcmp(interface, wl_output_interface.name) == 0) {
+ create_output(app, name, version);
+ } else if (strcmp(interface, wl_shm_interface.name) == 0) {
+ app->shm = wl_registry_bind(registry, name, &wl_shm_interface, 1);
+ /*
+ * Not listening for format advertisements,
+ * weston_capture_source_v1.format event tells us what to use.
+ */
+ } else if (strcmp(interface, weston_capture_v1_interface.name) == 0) {
+ app->capture_factory = wl_registry_bind(registry, name,
+ &weston_capture_v1_interface,
+ 1);
+ }
+}
+
+static void
+handle_global_remove(void *data, struct wl_registry *registry, uint32_t name)
+{
+ /* Dynamic output removals will just fail the respective shot. */
+}
+
+static const struct wl_registry_listener registry_listener = {
+ handle_global,
+ handle_global_remove
+};
+
+static void
+screenshooter_output_capture(struct screenshooter_output *output)
+{
+ screenshooter_buffer_destroy(output->buffer);
+ output->buffer = screenshot_create_shm_buffer(output->app,
+ output->buffer_width,
+ output->buffer_height,
+ output->fmt);
+ if (!output->buffer) {
+ fprintf(stderr, "Failed to create output buffer\n");
+ exit(EXIT_FAILURE);
+ }
+
+ weston_capture_source_v1_capture(output->source,
+ output->buffer->wl_buffer);
+ output->app->waitcount++;
+}
+
+static void
+screenshot_write_png_per_output(const struct buffer_size *buff_size,
+ struct screenshooter_output *output,
+ const char *fn)
+{
+ pixman_image_t *shot;
+ cairo_surface_t *surface;
+ FILE *fp;
+ char filepath[PATH_MAX];
+ char *filename_to_write;
+
+ shot = pixman_image_create_bits(PIXMAN_a8r8g8b8,
+ buff_size->width, buff_size->height,
+ NULL, 0);
+ if (!shot) {
+ fprintf(stderr, "Failed to create shot\n");
+ exit(EXIT_FAILURE);
+ }
+
+
+ pixman_image_composite32(PIXMAN_OP_SRC,
+ output->buffer->image, /* src */
+ NULL, /* mask */
+ shot, /* dest */
+ 0, 0, /* src x,y */
+ 0, 0, /* mask x,y */
+ output->offset_x, output->offset_y, /* dst x,y */
+ output->buffer_width, output->buffer_height);
+
+ surface = cairo_image_surface_create_for_data((void *)pixman_image_get_data(shot),
+ CAIRO_FORMAT_ARGB32,
+ pixman_image_get_width(shot),
+ pixman_image_get_height(shot),
+ pixman_image_get_stride(shot));
+ if (fn)
+ str_printf(&filename_to_write, "agl-screenshot-%s-", fn);
+ else
+ str_printf(&filename_to_write, "agl-screenshot-");
+
+ fp = file_create_dated(getenv("XDG_PICTURES_DIR"), filename_to_write,
+ ".png", filepath, sizeof(filepath));
+ if (fp) {
+ fclose(fp);
+ cairo_surface_write_to_png(surface, filepath);
+ }
+ cairo_surface_destroy(surface);
+ pixman_image_unref(shot);
+}
+
+static void
+screenshot_set_buffer_size_per_output(struct buffer_size *buff_size,
+ struct screenshooter_output *output)
+{
+ buff_size->min_x = MIN(buff_size->min_x, output->offset_x);
+ buff_size->min_y = MIN(buff_size->min_y, output->offset_y);
+ buff_size->max_x = MAX(buff_size->max_x, output->offset_x + output->buffer_width);
+ buff_size->max_y = MAX(buff_size->max_y, output->offset_y + output->buffer_height);
+
+ buff_size->width = buff_size->max_x - buff_size->min_x;
+ buff_size->height = buff_size->max_y - buff_size->min_y;
+}
+
+static void
+screenshot_compute_output_offset(int *pos, struct screenshooter_output *sh_output)
+{
+ sh_output->offset_x = *pos;
+ *pos += sh_output->buffer_width;
+}
+
+static struct screenshooter_output *
+agl_shooter_search_for_output(const char *output_name,
+ struct screenshooter_app *app)
+{
+ struct screenshooter_output *found_output = NULL;
+ struct screenshooter_output *output;
+
+ if (!output_name)
+ return found_output;
+
+ wl_list_for_each(output, &app->output_list, link) {
+ if (output->name && strcmp(output->name, output_name) == 0) {
+ found_output = output;
+ break;
+ }
+ }
+
+ return found_output;
+}
+
+static char *
+agl_shooter_search_get_output_name(struct screenshooter_output *sh_output)
+{
+ struct screenshooter_app *app;
+ struct screenshooter_output *output;
+
+ if (!sh_output)
+ return NULL;
+
+ app = sh_output->app;
+
+ wl_list_for_each(output, &app->output_list, link) {
+ if (output == sh_output) {
+ return output->name;
+ }
+ }
+
+ return NULL;
+}
+
+static void
+agl_shooter_display_all_outputs(struct screenshooter_app *app)
+{
+ struct screenshooter_output *output;
+
+ wl_list_for_each(output, &app->output_list, link) {
+ fprintf(stdout, "Output '%s'\n", output->name);
+ }
+}
+
+static void
+agl_shooter_screenshot_output(struct screenshooter_output *output, int *pos)
+{
+ struct buffer_size buff_size = {};
+ struct screenshooter_app *app = output->app;
+ char *output_name;
+
+ do {
+ app->retry = false;
+ screenshooter_output_capture(output);
+
+ while (app->waitcount > 0 && !app->failed) {
+ if (wl_display_dispatch(app->display) < 0)
+ app->failed = true;
+ assert(app->waitcount >= 0);
+ }
+ } while (app->retry && !app->failed);
+
+ if (!app->failed) {
+ screenshot_compute_output_offset(pos, output);
+ screenshot_set_buffer_size_per_output(&buff_size, output);
+
+ output_name = agl_shooter_search_get_output_name(output);
+ assert(output_name);
+ screenshot_write_png_per_output(&buff_size, output, output_name);
+ } else {
+ fprintf(stderr, "Error: screenshot or protocol failure\n");
+ }
+}
+
+
+static void
+agl_shooter_screenshot_all_outputs(struct screenshooter_app *app)
+{
+ struct screenshooter_output *output;
+ int pos = 0;
+
+ wl_list_for_each(output, &app->output_list, link)
+ agl_shooter_screenshot_output(output, &pos);
+}
+
+static void
+print_usage_and_exit(void)
+{
+ fprintf(stderr, "./agl-screenshooter [-o OUTPUT_NAME] [-l] [-a]\n");
+
+ fprintf(stderr, "\t-o OUTPUT_NAME -- take a screenshot of the output "
+ "specified by OUTPUT_NAME\n");
+ fprintf(stderr, "\t-a -- take a screenshot of all the outputs found\n");
+ fprintf(stderr, "\t-l -- list all the outputs found\n");
+ exit(EXIT_FAILURE);
+}
+
+int
+main(int argc, char *argv[])
+{
+ struct wl_display *display;
+ struct screenshooter_output *output;
+ struct screenshooter_output *sh_output = NULL;
+ struct screenshooter_output *tmp_output;
+ struct screenshooter_app app = {};
+
+ int c, option_index;
+ char *output_name = NULL;
+ int pos = 0;
+
+ wl_list_init(&app.output_list);
+
+ static struct option long_options[] = {
+ {"output", required_argument, 0, 'o' },
+ {"list", required_argument, 0, 'l' },
+ {"all", required_argument, 0, 'a' },
+ {"help", no_argument , 0, 'h' },
+ {0, 0, 0, 0}
+ };
+
+ while ((c = getopt_long(argc, argv, "o:lah",
+ long_options, &option_index)) != -1) {
+ switch (c) {
+ case 'o':
+ output_name = optarg;
+ opts |= (1 << OPT_SCREENSHOT_OUTPUT);
+ break;
+ case 'l':
+ opts |= (1 << OPT_SHOW_ALL_OUTPUTS);
+ break;
+ case 'a':
+ opts |= (1 << OPT_SCREENSHOT_ALL_OUTPUTS);
+ break;
+ default:
+ print_usage_and_exit();
+ }
+ }
+
+ display = wl_display_connect(NULL);
+ if (display == NULL) {
+ fprintf(stderr, "failed to create display: %s\n",
+ strerror(errno));
+ return -1;
+ }
+
+ app.display = display;
+ app.registry = wl_display_get_registry(display);
+ wl_registry_add_listener(app.registry, ®istry_listener, &app);
+
+ /* Process wl_registry advertisements */
+ wl_display_roundtrip(display);
+
+ if (!app.shm) {
+ fprintf(stderr, "Error: display does not support wl_shm\n");
+ return -1;
+ }
+ if (!app.capture_factory) {
+ fprintf(stderr, "Error: display does not support weston_capture_v1\n");
+ return -1;
+ }
+
+ /* Process initial events for wl_output and weston_capture_source_v1 */
+ wl_display_roundtrip(display);
+
+ if (opts & (1 << OPT_SHOW_ALL_OUTPUTS)) {
+ agl_shooter_display_all_outputs(&app);
+ return EXIT_SUCCESS;
+ }
+
+ if (opts & (1 << OPT_SCREENSHOT_ALL_OUTPUTS)) {
+ agl_shooter_screenshot_all_outputs(&app);
+ return EXIT_SUCCESS;
+ }
+
+ sh_output = NULL;
+ if (output_name)
+ sh_output = agl_shooter_search_for_output(output_name, &app);
+
+ if (!sh_output && (opts & (1 << OPT_SCREENSHOT_OUTPUT))) {
+ fprintf(stderr, "Could not find an output matching '%s'\n",
+ output_name);
+ return EXIT_FAILURE;
+ }
+
+ /* if we're still here just pick the first one available
+ * and use that. Still useful in case we are run without
+ * any args whatsoever */
+ if (!sh_output)
+ sh_output = container_of(app.output_list.next,
+ struct screenshooter_output, link);
+
+ /* take a screenshot only of that specific output */
+ agl_shooter_screenshot_output(sh_output, &pos);
+
+ wl_list_for_each_safe(output, tmp_output, &app.output_list, link)
+ destroy_output(output);
+
+ weston_capture_v1_destroy(app.capture_factory);
+ wl_shm_destroy(app.shm);
+ wl_registry_destroy(app.registry);
+ wl_display_disconnect(display);
+
+ return 0;
+}
deps_remoting += dep
endforeach
-
agl_shell_xml = files('protocol/agl-shell.xml')
agl_shell_desktop_xml = files('protocol/agl-shell-desktop.xml')
-agl_screenshooter = files('protocol/agl-screenshooter.xml')
xdg_shell_xml = join_paths(dir_wp_base, 'stable', 'xdg-shell', 'xdg-shell.xml')
+dep_libweston_protocols = dependency('libweston-13-protocols', version: '>= 13')
+dir_protocol_libweston = dep_libweston_protocols.get_pkgconfig_variable('pkgdatadir')
protocols = [
{ 'name': 'agl-shell', 'source': 'internal' },
{ 'name': 'agl-shell-desktop', 'source': 'internal' },
- { 'name': 'agl-screenshooter', 'source': 'internal' },
{ 'name': 'xdg-shell', 'source': 'wp-stable' },
{ 'name': 'xdg-output', 'source': 'unstable', 'version': 'v1' },
+ { 'name': 'weston-output-capture', 'source': 'libweston-protocols' },
]
foreach proto: protocols
proto_name = proto['name']
if proto['source'] == 'internal'
base_file = proto_name
- xml_path = join_paths('protocol', '@0@.xml'.format(base_file))
+ xml_path = join_paths('protocol', '@0@.xml'.format(base_file))
+ elif proto['source'] == 'libweston-protocols'
+ base_file = proto_name
+ xml_path = join_paths(dir_protocol_libweston, '@0@.xml'.format(base_file))
elif proto['source'] == 'wp-stable'
base_file = proto_name
- xml_path = join_paths(dir_wp_base, 'stable', proto_name, '@0@.xml'.format(base_file))
+ xml_path = join_paths(dir_wp_base, 'stable', proto_name, '@0@.xml'.format(base_file))
else
base_file = '@0@-unstable-@1@'.format(proto_name, proto['version'])
- xml_path = join_paths(dir_wp_base, 'unstable', proto_name, '@0@.xml'.format(base_file))
+ xml_path = join_paths(dir_wp_base, 'unstable', proto_name, '@0@.xml'.format(base_file))
endif
foreach output_type: [ 'client-header', 'server-header', 'private-code' ]
'src/layout.c',
'src/policy.c',
'src/shell.c',
- 'src/screenshooter.c',
'src/input.c',
'shared/option-parser.c',
'shared/os-compatibility.c',
'shared/process-util.c',
agl_shell_server_protocol_h,
agl_shell_desktop_server_protocol_h,
- agl_screenshooter_server_protocol_h,
agl_shell_protocol_c,
agl_shell_desktop_protocol_c,
- agl_screenshooter_protocol_c,
xdg_shell_protocol_c,
]
--- /dev/null
+/*
+ * Copyright © 2016, 2019 Collabora, Ltd.
+ * Copyright (c) 2018 DisplayLink (UK) Ltd.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ *
+ * Author: Daniel Stone <daniels@collabora.com>
+ */
+
+#include <inttypes.h>
+#include <stdbool.h>
+#include <pixman.h>
+
+/**
+ * Contains information about pixel formats, mapping format codes from
+ * wl_shm and drm_fourcc.h (which are deliberately identical, but for the
+ * special cases of WL_SHM_ARGB8888 and WL_SHM_XRGB8888) into various
+ * sets of information. Helper functions are provided for dealing with these
+ * raw structures.
+ */
+struct pixel_format_info {
+ /** DRM/wl_shm format code */
+ uint32_t format;
+
+ /** The DRM format name without the DRM_FORMAT_ prefix. */
+ const char *drm_format_name;
+
+ /** If true, is only for internal use and should not be advertised to
+ * clients to allow them to create buffers of this format. */
+ bool hide_from_clients;
+
+ /** If non-zero, number of planes in base (non-modified) format. */
+ int num_planes;
+
+ /** If format contains alpha channel, opaque equivalent of format,
+ * i.e. alpha channel replaced with X. */
+ uint32_t opaque_substitute;
+
+ /** How the format should be sampled, expressed in terms of tokens
+ * from the EGL_WL_bind_wayland_display extension. If not set,
+ * assumed to be either RGB or RGBA, depending on whether or not
+ * the format contains an alpha channel. The samplers may still
+ * return alpha even for opaque formats; users must manually set
+ * the alpha channel to 1.0 (or ignore it) if the format is
+ * opaque. */
+ uint32_t sampler_type;
+
+ /** GL internal format; to be used when creating FBO renderbuffers */
+ int gl_internalformat;
+
+ /** GL format, if data can be natively/directly uploaded. Note that
+ * whilst DRM formats are little-endian unless explicitly specified,
+ * (i.e. DRM_FORMAT_ARGB8888 is stored BGRA as sequential bytes in
+ * memory), GL uses the sequential byte order, so that format maps to
+ * GL_BGRA_EXT plus GL_UNSIGNED_BYTE. To add to the confusion, the
+ * explicitly-sized types (e.g. GL_UNSIGNED_SHORT_5_5_5_1) read in
+ * machine-endian order, so for these types, the correspondence
+ * depends on endianness. */
+ int gl_format;
+
+ /** GL data type, if data can be natively/directly uploaded. */
+ int gl_type;
+
+ /** Pixman data type, if it agrees exactly with the wl_shm format */
+ pixman_format_code_t pixman_format;
+
+ /** If set, this format can be used with the legacy drmModeAddFB()
+ * function (not AddFB2), using this and the bpp member. */
+ int addfb_legacy_depth;
+
+ /** Number of bits required to store a single pixel, for
+ * single-planar formats. */
+ int bpp;
+
+ /** Horizontal subsampling; if non-zero, divide the width by this
+ * member to obtain the number of columns in the source buffer for
+ * secondary planes only. Stride is not affected by horizontal
+ * subsampling. */
+ int hsub;
+
+ /** Vertical subsampling; if non-zero, divide the height by this
+ * member to obtain the number of rows in the source buffer for
+ * secondary planes only. */
+ int vsub;
+
+ /* Ordering of chroma components. */
+ enum {
+ ORDER_UV = 0,
+ ORDER_VU,
+ } chroma_order;
+
+ /* If packed YUV (num_planes == 1), ordering of luma/chroma
+ * components. */
+ enum {
+ ORDER_LUMA_CHROMA = 0,
+ ORDER_CHROMA_LUMA,
+ } luma_chroma_order;
+
+ /** How many significant bits each channel has, or zero if N/A. */
+ struct {
+ int r;
+ int g;
+ int b;
+ int a;
+ } bits;
+
+ /** How channel bits are interpreted, fixed (uint) or floating-point */
+ enum {
+ PIXEL_COMPONENT_TYPE_FIXED = 0,
+ PIXEL_COMPONENT_TYPE_FLOAT,
+ } component_type;
+};
+
+/**
+ * Get pixel format information for a DRM format code
+ *
+ * Given a DRM format code, return a pixel format info structure describing
+ * the properties of that format.
+ *
+ * @param format DRM format code to get info for
+ * @returns A pixel format structure (must not be freed), or NULL if the
+ * format could not be found
+ */
+const struct pixel_format_info *
+pixel_format_get_info(uint32_t format);
+
+/**
+ * Get pixel format information for a SHM format code
+ *
+ * Given a SHM format code, return a DRM pixel format info structure describing
+ * the properties of that format.
+ *
+ * @param format SHM format code to get info for.
+ * @returns A pixel format structure (must not be freed), or NULL if the
+ * format could not be found.
+ */
+const struct pixel_format_info *
+pixel_format_get_info_shm(uint32_t format);
+
+/**
+ * Get pixel format information by table index
+ *
+ * Given a 0-based index in the format table, return the corresponding
+ * DRM pixel format info structure.
+ *
+ * @param index Index of the pixel format in the table
+ * @returns A pixel format structure (must not be freed), or NULL if the
+ * index is out of range.
+ */
+const struct pixel_format_info *
+pixel_format_get_info_by_index(unsigned int index);
+
+/**
+ * Return the size of the pixel format table
+ *
+ * @returns The number of entries in the pixel format table
+ */
+unsigned int
+pixel_format_get_info_count(void);
+
+/**
+ * Get pixel format information for a named DRM format
+ *
+ * Given a DRM format name, return a pixel format info structure describing
+ * the properties of that format.
+ *
+ * The DRM format name is the preprocessor token name from drm_fourcc.h
+ * without the DRM_FORMAT_ prefix. The search is also case-insensitive.
+ * Both "xrgb8888" and "XRGB8888" searches will find DRM_FORMAT_XRGB8888
+ * for example.
+ *
+ * @param drm_format_name DRM format name to get info for (not NULL)
+ * @returns A pixel format structure (must not be freed), or NULL if the
+ * name could not be found
+ */
+const struct pixel_format_info *
+pixel_format_get_info_by_drm_name(const char *drm_format_name);
+
+/**
+ * Get pixel format information for a Pixman format code
+ *
+ * Given a Pixman format code, return a pixel format info structure describing
+ * the properties of that format.
+ *
+ * @param pixman_format Pixman format code to get info for
+ * @returns A pixel format structure (must not be freed), or NULL if the
+ * format could not be found
+ */
+const struct pixel_format_info *
+pixel_format_get_info_by_pixman(pixman_format_code_t pixman_format);
+
+/**
+ * Get number of planes used by a pixel format
+ *
+ * Given a pixel format info structure, return the number of planes
+ * required for a buffer. Note that this is not necessarily identical to
+ * the number of samplers required to be bound, as two views into a single
+ * plane are sometimes required.
+ *
+ * @param format Pixel format info structure
+ * @returns Number of planes required for the format
+ */
+unsigned int
+pixel_format_get_plane_count(const struct pixel_format_info *format);
+
+/**
+ * Determine if a pixel format is opaque or contains alpha
+ *
+ * Returns whether or not the pixel format is opaque, or contains a
+ * significant alpha channel. Note that the suggested EGL sampler type may
+ * still sample undefined data into the alpha channel; users must consider
+ * alpha as 1.0 if the format is opaque, and not rely on the sampler to
+ * return this when sampling from the alpha channel.
+ *
+ * @param format Pixel format info structure
+ * @returns True if the format is opaque, or false if it has significant alpha
+ */
+bool
+pixel_format_is_opaque(const struct pixel_format_info *format);
+
+/**
+ * Get compatible opaque equivalent for a format
+ *
+ * Given a pixel format info structure, return a format which is wholly
+ * compatible with the input format, but opaque, ignoring the alpha channel.
+ * If an alpha format is provided, but the content is known to all be opaque,
+ * then this can be used as a substitute to avoid blending.
+ *
+ * If the input format is opaque, this function will return the input format.
+ *
+ * @param format Pixel format info structure
+ * @returns A pixel format info structure for the compatible opaque substitute
+ */
+const struct pixel_format_info *
+pixel_format_get_opaque_substitute(const struct pixel_format_info *format);
+
+/**
+ * For an opaque format, get the equivalent format with alpha instead of an
+ * ignored channel
+ *
+ * This is the opposite lookup from pixel_format_get_opaque_substitute().
+ * Finds the format whose opaque substitute is the given format.
+ *
+ * If the input format is not opaque or does not have ignored (X) bits, then
+ * the search cannot find a match.
+ *
+ * @param format DRM format code to search for
+ * @returns A pixel format info structure for the pixel format whose opaque
+ * substitute is the argument, or NULL if no match.
+ */
+const struct pixel_format_info *
+pixel_format_get_info_by_opaque_substitute(uint32_t format);
+
+/**
+ * Return the horizontal subsampling factor for a given plane
+ *
+ * When horizontal subsampling is effective, a sampler bound to a secondary
+ * plane must bind the sampler with a smaller effective width. This function
+ * returns the subsampling factor to use for the given plane.
+ *
+ * @param format Pixel format info structure
+ * @param plane Zero-indexed plane number
+ * @returns Horizontal subsampling factor for the given plane
+ */
+unsigned int
+pixel_format_hsub(const struct pixel_format_info *format,
+ unsigned int plane);
+
+/**
+ * Return the vertical subsampling factor for a given plane
+ *
+ * When vertical subsampling is effective, a sampler bound to a secondary
+ * plane must bind the sampler with a smaller effective height. This function
+ * returns the subsampling factor to use for the given plane.
+ *
+ * @param format Pixel format info structure
+ * @param plane Zero-indexed plane number
+ * @returns Vertical subsampling factor for the given plane
+ */
+unsigned int
+pixel_format_vsub(const struct pixel_format_info *format,
+ unsigned int plane);
+
+/**
+ * Return the effective sampling width for a given plane
+ *
+ * When horizontal subsampling is effective, a sampler bound to a secondary
+ * plane must bind the sampler with a smaller effective width. This function
+ * returns the effective width to use for the sampler, i.e. dividing by hsub.
+ *
+ * If horizontal subsampling is not in effect, this will be equal to the
+ * width.
+ *
+ * @param format Pixel format info structure
+ * @param plane Zero-indexed plane number
+ * @param width Width of the buffer
+ * @returns Effective width for sampling
+ */
+unsigned int
+pixel_format_width_for_plane(const struct pixel_format_info *format,
+ unsigned int plane,
+ unsigned int width);
+
+/**
+ * Return the effective sampling height for a given plane
+ *
+ * When vertical subsampling is in effect, a sampler bound to a secondary
+ * plane must bind the sampler with a smaller effective height. This function
+ * returns the effective height to use for the sampler, i.e. dividing by vsub.
+ *
+ * If vertical subsampling is not in effect, this will be equal to the height.
+ *
+ * @param format Pixel format info structure
+ * @param plane Zero-indexed plane number
+ * @param height Height of the buffer
+ * @returns Effective width for sampling
+ */
+unsigned int
+pixel_format_height_for_plane(const struct pixel_format_info *format,
+ unsigned int plane,
+ unsigned int height);
+/**
+ * Return a human-readable format modifier. Comprised from the modifier name,
+ * the vendor name, and the original encoded value in hexadecimal, using
+ * 'VENDOR_NAME_MODIFIER_NAME (modifier_encoded_value)' pattern. In case the
+ * modifier name (and the vendor name) isn't found, this returns the original
+ * encoded value, as a string value.
+ *
+ * @param modifier the modifier in question
+ * @returns a malloc'ed string, caller responsible for freeing after use.
+ */
+char *
+pixel_format_get_modifier(uint64_t modifier);
+
+/**
+ * Return the wl_shm format code
+ *
+ * @param info Pixel format info structure
+ * @returns The wl_shm format code for this pixel format.
+ */
+uint32_t
+pixel_format_get_shm_format(const struct pixel_format_info *info);
+
+/**
+ * Get pixel format array for an array of DRM format codes
+ *
+ * Given an array of DRM format codes, return an array of corresponding pixel
+ * format info pointers.
+ *
+ * @param formats Array of DRM format codes to get info for
+ * @param formats_count Number of entries in formats.
+ * @returns An array of pixel format info pointers, or NULL if any format could
+ * not be found. Must be freed by the caller.
+ */
+const struct pixel_format_info **
+pixel_format_get_array(const uint32_t *formats, unsigned int formats_count);
return config;
}
+static void
+screenshot_allow_all(struct wl_listener *l, struct weston_output_capture_attempt *att)
+{
+ att->authorized = true;
+}
+
+
static void
sigint_helper(int sig)
{
ivi_launch_shell_client(&ivi, "shell-client-ext",
&ivi.shell_client_ext.client);
- if (debug)
- ivi_screenshooter_create(&ivi);
+ if (debug) {
+ weston_compositor_add_screenshot_authority(ivi.compositor,
+ &ivi.screenshot_auth,
+ screenshot_allow_all);
+ }
ivi_agl_systemd_notify(&ivi);
wl_display_run(display);
bool activate_by_default;
bool keep_pending_surfaces;
+ struct wl_listener screenshot_auth;
+
/*
* Options parsed from command line arugments.
* Overrides what is found in the config file.
+++ /dev/null
-/*
- * Copyright © 2020 Collabora, Ltd.
- *
- * Permission is hereby granted, free of charge, to any person obtaining
- * a copy of this software and associated documentation files (the
- * "Software"), to deal in the Software without restriction, including
- * without limitation the rights to use, copy, modify, merge, publish,
- * distribute, sublicense, and/or sell copies of the Software, and to
- * permit persons to whom the Software is furnished to do so, subject to
- * the following conditions:
- *
- * The above copyright notice and this permission notice (including the
- * next paragraph) shall be included in all copies or substantial
- * portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
- * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
- * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
- * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
- * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
- * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
- * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
- * SOFTWARE.
- */
-
-#include "ivi-compositor.h"
-#include "shared/helpers.h"
-
-#include <libweston/libweston.h>
-#include "agl-screenshooter-server-protocol.h"
-#include <libweston/weston-log.h>
-
-struct screenshooter {
- struct ivi_compositor *ivi;
- struct wl_global *global;
- struct wl_client *client;
- struct wl_listener destroy_listener;
-};
-
-static void
-screenshooter_done(void *data, enum weston_screenshooter_outcome outcome)
-{
- struct wl_resource *resource = data;
-
- if (outcome == WESTON_SCREENSHOOTER_NO_MEMORY) {
- wl_resource_post_no_memory(resource);
- return;
- }
-
- agl_screenshooter_send_done(resource, outcome);
-}
-
-static void
-screenshooter_shoot(struct wl_client *client,
- struct wl_resource *resource,
- struct wl_resource *output_resource,
- struct wl_resource *buffer_resource)
-{
- struct weston_output *output =
- weston_head_from_resource(output_resource)->output;
- struct weston_buffer *buffer =
- weston_buffer_from_resource(output->compositor, buffer_resource);
-
- if (buffer == NULL) {
- wl_resource_post_no_memory(resource);
- return;
- }
-
- weston_screenshooter_shoot(output, buffer, screenshooter_done, resource);
-}
-
-static void
-screenshooter_destructor_destroy(struct wl_client *client,
- struct wl_resource *global_resource)
-{
- wl_resource_destroy(global_resource);
-}
-
-struct agl_screenshooter_interface screenshooter_implementation = {
- screenshooter_shoot,
- screenshooter_destructor_destroy
-};
-
-static void
-bind_shooter(struct wl_client *client,
- void *data, uint32_t version, uint32_t id)
-{
- struct screenshooter *shooter = data;
- struct wl_resource *resource;
- bool debug_enabled = true;
-
- resource = wl_resource_create(client,
- &agl_screenshooter_interface, 1, id);
-
- if (!debug_enabled && !shooter->client) {
- wl_resource_post_error(resource, WL_DISPLAY_ERROR_INVALID_OBJECT,
- "screenshooter failed: permission denied. "\
- "Debug must be enabled");
- return;
- }
-
- wl_resource_set_implementation(resource, &screenshooter_implementation,
- data, NULL);
-}
-
-static void
-screenshooter_destroy(struct wl_listener *listener, void *data)
-{
- struct screenshooter *shooter =
- container_of(listener, struct screenshooter, destroy_listener);
-
- wl_list_remove(&shooter->destroy_listener.link);
-
- wl_global_destroy(shooter->global);
- free(shooter);
-}
-
-void
-ivi_screenshooter_create(struct ivi_compositor *ivi)
-{
- struct weston_compositor *ec = ivi->compositor;
- struct screenshooter *shooter;
-
- shooter = zalloc(sizeof(*shooter));
- if (shooter == NULL)
- return;
-
- shooter->ivi = ivi;
- shooter->global = wl_global_create(ec->wl_display,
- &agl_screenshooter_interface, 1,
- shooter, bind_shooter);
-
- shooter->destroy_listener.notify = screenshooter_destroy;
- wl_signal_add(&ec->destroy_signal, &shooter->destroy_listener);
-
- weston_log("Screenshooter interface created\n");
-}
Code Review / src / agl-compositor.git / commitdiff