[PATCH weston v3] drm: port the drm backend to the new init api
Giulio Camuffo
giuliocamuffo at gmail.com
Sat Oct 31 04:08:48 PDT 2015
---
v3: fixed warning after rebase
Makefile.am | 3 +
src/compositor-drm.c | 234 ++++++++++++++++-----------------------------------
src/compositor-drm.h | 87 +++++++++++++++++++
src/main.c | 129 +++++++++++++++++++++++++++-
4 files changed, 292 insertions(+), 161 deletions(-)
create mode 100644 src/compositor-drm.h
diff --git a/Makefile.am b/Makefile.am
index 55e3bcb..b2238ea 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -72,6 +72,7 @@ weston_SOURCES = \
src/log.c \
src/compositor.c \
src/compositor.h \
+ src/compositor-drm.h \
src/input.c \
src/data-device.c \
src/screenshooter.c \
@@ -209,6 +210,7 @@ westonincludedir = $(includedir)/weston
westoninclude_HEADERS = \
src/version.h \
src/compositor.h \
+ src/compositor-drm.h \
src/timeline-object.h \
shared/matrix.h \
shared/config-parser.h \
@@ -278,6 +280,7 @@ drm_backend_la_CFLAGS = \
$(AM_CFLAGS)
drm_backend_la_SOURCES = \
src/compositor-drm.c \
+ src/compositor-drm.h \
$(INPUT_BACKEND_SOURCES) \
shared/helpers.h \
shared/timespec-util.h \
diff --git a/src/compositor-drm.c b/src/compositor-drm.c
index 41f9a82..85e8b04 100644
--- a/src/compositor-drm.c
+++ b/src/compositor-drm.c
@@ -50,6 +50,7 @@
#include "shared/timespec-util.h"
#include "libbacklight.h"
#include "compositor.h"
+#include "compositor-drm.h"
#include "gl-renderer.h"
#include "pixman-renderer.h"
#include "libinput-seat.h"
@@ -74,17 +75,6 @@
#define GBM_BO_USE_CURSOR GBM_BO_USE_CURSOR_64X64
#endif
-static int option_current_mode = 0;
-
-enum output_config {
- OUTPUT_CONFIG_INVALID = 0,
- OUTPUT_CONFIG_OFF,
- OUTPUT_CONFIG_PREFERRED,
- OUTPUT_CONFIG_CURRENT,
- OUTPUT_CONFIG_MODE,
- OUTPUT_CONFIG_MODELINE
-};
-
struct drm_backend {
struct weston_backend base;
struct weston_compositor *compositor;
@@ -107,6 +97,7 @@ struct drm_backend {
uint32_t connector_allocator;
struct wl_listener session_listener;
uint32_t format;
+ bool option_current_mode;
/* we need these parameters in order to not fail drmModeAddFB2()
* due to out of bounds dimensions, and then mistakenly set
@@ -130,6 +121,10 @@ struct drm_backend {
int32_t cursor_width;
int32_t cursor_height;
+
+ void (*configure_output)(struct weston_compositor *compositor,
+ const char *name,
+ struct weston_drm_backend_output_config *config);
};
struct drm_mode {
@@ -220,13 +215,6 @@ struct drm_sprite {
uint32_t formats[];
};
-struct drm_parameters {
- int connector;
- int tty;
- int use_pixman;
- const char *seat_id;
-};
-
static struct gl_renderer_interface *gl_renderer;
static const char default_seat[] = "seat0";
@@ -2066,47 +2054,26 @@ find_and_parse_output_edid(struct drm_backend *b,
-static int
-parse_modeline(const char *s, drmModeModeInfo *mode)
-{
- char hsync[16];
- char vsync[16];
- float fclock;
-
- mode->type = DRM_MODE_TYPE_USERDEF;
- mode->hskew = 0;
- mode->vscan = 0;
- mode->vrefresh = 0;
- mode->flags = 0;
-
- if (sscanf(s, "%f %hd %hd %hd %hd %hd %hd %hd %hd %15s %15s",
- &fclock,
- &mode->hdisplay,
- &mode->hsync_start,
- &mode->hsync_end,
- &mode->htotal,
- &mode->vdisplay,
- &mode->vsync_start,
- &mode->vsync_end,
- &mode->vtotal, hsync, vsync) != 11)
- return -1;
-
- mode->clock = fclock * 1000;
- if (strcmp(hsync, "+hsync") == 0)
- mode->flags |= DRM_MODE_FLAG_PHSYNC;
- else if (strcmp(hsync, "-hsync") == 0)
- mode->flags |= DRM_MODE_FLAG_NHSYNC;
- else
- return -1;
+static void
+weston_modeline_to_drm(struct weston_drm_backend_modeline *modeline,
+ drmModeModeInfo *drm_mode)
+{
+ drm_mode->type = DRM_MODE_TYPE_USERDEF;
+ drm_mode->hskew = 0;
+ drm_mode->vscan = 0;
+ drm_mode->vrefresh = 0;
+ drm_mode->flags = modeline->flags;
+ drm_mode->clock = modeline->clock;
- if (strcmp(vsync, "+vsync") == 0)
- mode->flags |= DRM_MODE_FLAG_PVSYNC;
- else if (strcmp(vsync, "-vsync") == 0)
- mode->flags |= DRM_MODE_FLAG_NVSYNC;
- else
- return -1;
+ drm_mode->hdisplay = modeline->hdisplay;
+ drm_mode->hsync_start = modeline->hsync_start;
+ drm_mode->hsync_end = modeline->hsync_end;
+ drm_mode->htotal = modeline->htotal;
- return 0;
+ drm_mode->vdisplay = modeline->vdisplay;
+ drm_mode->vsync_start = modeline->vsync_start;
+ drm_mode->vsync_end = modeline->vsync_end;
+ drm_mode->vtotal = modeline->vtotal;
}
static void
@@ -2133,16 +2100,10 @@ setup_output_seat_constraint(struct drm_backend *b,
}
static int
-get_gbm_format_from_section(struct weston_config_section *section,
- uint32_t default_value,
- uint32_t *format)
+parse_gbm_format(const char *s, uint32_t default_value, uint32_t *format)
{
- char *s;
int ret = 0;
- weston_config_section_get_string(section,
- "gbm-format", &s, NULL);
-
if (s == NULL)
*format = default_value;
else if (strcmp(s, "xrgb8888") == 0)
@@ -2156,8 +2117,6 @@ get_gbm_format_from_section(struct weston_config_section *section,
ret = -1;
}
- free(s);
-
return ret;
}
@@ -2167,31 +2126,29 @@ get_gbm_format_from_section(struct weston_config_section *section,
* Find the most suitable mode to use for initial setup (or reconfiguration on
* hotplug etc) for a DRM output.
*
+ * @param backend The DRM backend object
* @param output DRM output to choose mode for
- * @param kind Strategy and preference to use when choosing mode
- * @param width Desired width for this output
- * @param height Desired height for this output
+ * @param config Desired configuration for the output
* @param current_mode Mode currently being displayed on this output
- * @param modeline Manually-entered mode (may be NULL)
* @returns A mode from the output's mode list, or NULL if none available
*/
static struct drm_mode *
-drm_output_choose_initial_mode(struct drm_output *output,
- enum output_config kind,
- int width, int height,
- const drmModeModeInfo *current_mode,
- const drmModeModeInfo *modeline)
+drm_output_choose_initial_mode(struct drm_backend *backend,
+ struct drm_output *output,
+ struct weston_drm_backend_output_config *config,
+ const drmModeModeInfo *current_mode)
{
struct drm_mode *preferred = NULL;
struct drm_mode *current = NULL;
struct drm_mode *configured = NULL;
struct drm_mode *best = NULL;
struct drm_mode *drm_mode;
+ drmModeModeInfo modeline;
wl_list_for_each_reverse(drm_mode, &output->base.mode_list, base.link) {
- if (kind == OUTPUT_CONFIG_MODE &&
- width == drm_mode->base.width &&
- height == drm_mode->base.height)
+ if (config->type == WESTON_DRM_BACKEND_OUTPUT_TYPE_MODE &&
+ config->base.width == drm_mode->base.width &&
+ config->base.height == drm_mode->base.height)
configured = drm_mode;
if (memcmp(¤t_mode, &drm_mode->mode_info,
@@ -2204,8 +2161,9 @@ drm_output_choose_initial_mode(struct drm_output *output,
best = drm_mode;
}
- if (kind == OUTPUT_CONFIG_MODELINE) {
- configured = drm_output_add_mode(output, modeline);
+ if (config->type == WESTON_DRM_BACKEND_OUTPUT_TYPE_MODELINE) {
+ weston_modeline_to_drm(&config->modeline, &modeline);
+ configured = drm_output_add_mode(output, &modeline);
if (!configured)
return NULL;
}
@@ -2216,10 +2174,10 @@ drm_output_choose_initial_mode(struct drm_output *output,
return NULL;
}
- if (kind == OUTPUT_CONFIG_CURRENT)
+ if (config->type == WESTON_DRM_BACKEND_OUTPUT_TYPE_CURRENT)
configured = current;
- if (option_current_mode && current)
+ if (backend->option_current_mode && current)
return current;
if (configured)
@@ -2285,12 +2243,9 @@ create_output_for_connector(struct drm_backend *b,
struct drm_output *output;
struct drm_mode *drm_mode, *next, *current;
struct weston_mode *m;
- struct weston_config_section *section;
- drmModeModeInfo crtc_mode, modeline;
- int i, width, height, scale;
- char *s;
- enum output_config config;
- uint32_t transform;
+ drmModeModeInfo crtc_mode;
+ int i;
+ struct weston_drm_backend_output_config config;
i = find_crtc_for_connector(b, resources, connector);
if (i < 0) {
@@ -2309,42 +2264,14 @@ create_output_for_connector(struct drm_backend *b,
output->base.serial_number = "unknown";
wl_list_init(&output->base.mode_list);
- section = weston_config_get_section(b->compositor->config, "output", "name",
- output->base.name);
- weston_config_section_get_string(section, "mode", &s, "preferred");
- if (strcmp(s, "off") == 0)
- config = OUTPUT_CONFIG_OFF;
- else if (strcmp(s, "preferred") == 0)
- config = OUTPUT_CONFIG_PREFERRED;
- else if (strcmp(s, "current") == 0)
- config = OUTPUT_CONFIG_CURRENT;
- else if (sscanf(s, "%dx%d", &width, &height) == 2)
- config = OUTPUT_CONFIG_MODE;
- else if (parse_modeline(s, &modeline) == 0)
- config = OUTPUT_CONFIG_MODELINE;
- else {
- weston_log("Invalid mode \"%s\" for output %s\n",
- s, output->base.name);
- config = OUTPUT_CONFIG_PREFERRED;
- }
- free(s);
-
- weston_config_section_get_int(section, "scale", &scale, 1);
- weston_config_section_get_string(section, "transform", &s, "normal");
- if (weston_parse_transform(s, &transform) < 0)
- weston_log("Invalid transform \"%s\" for output %s\n",
- s, output->base.name);
-
- free(s);
-
- if (get_gbm_format_from_section(section,
- b->format,
- &output->format) == -1)
+ b->configure_output(b->compositor, output->base.name,
+ &config);
+ if (parse_gbm_format(config.format, b->format, &output->format) == -1)
output->format = b->format;
- weston_config_section_get_string(section, "seat", &s, "");
- setup_output_seat_constraint(b, &output->base, s);
- free(s);
+ setup_output_seat_constraint(b, &output->base,
+ config.seat ? config.seat : "");
+ free(config.seat);
output->crtc_id = resources->crtcs[i];
output->pipe = i;
@@ -2364,16 +2291,15 @@ create_output_for_connector(struct drm_backend *b,
goto err_free;
}
- if (config == OUTPUT_CONFIG_OFF) {
+ if (config.type == WESTON_DRM_BACKEND_OUTPUT_TYPE_OFF) {
weston_log("Disabling output %s\n", output->base.name);
drmModeSetCrtc(b->drm.fd, output->crtc_id,
0, 0, 0, 0, 0, NULL);
goto err_free;
}
- current = drm_output_choose_initial_mode(output, config,
- width, height,
- &crtc_mode, &modeline);
+ current = drm_output_choose_initial_mode(b, output, &config,
+ &crtc_mode);
if (!current)
goto err_free;
output->base.current_mode = ¤t->base;
@@ -2381,7 +2307,7 @@ create_output_for_connector(struct drm_backend *b,
weston_output_init(&output->base, b->compositor, x, y,
connector->mmWidth, connector->mmHeight,
- transform, scale);
+ config.base.transform, config.base.scale);
if (b->use_pixman) {
if (drm_output_init_pixman(output, b) < 0) {
@@ -3057,16 +2983,14 @@ renderer_switch_binding(struct weston_keyboard *keyboard, uint32_t time,
static struct drm_backend *
drm_backend_create(struct weston_compositor *compositor,
- struct drm_parameters *param,
- int *argc, char *argv[],
- struct weston_config *config)
+ struct weston_drm_backend_config *config)
{
struct drm_backend *b;
- struct weston_config_section *section;
struct udev_device *drm_device;
struct wl_event_loop *loop;
const char *path;
uint32_t key;
+ const char *seat_id = default_seat;
weston_log("initializing drm backend\n");
@@ -3086,18 +3010,18 @@ drm_backend_create(struct weston_compositor *compositor,
*/
b->sprites_are_broken = 1;
b->compositor = compositor;
+ b->use_pixman = config->use_pixman;
+ b->configure_output = config->configure_output;
+ b->option_current_mode = config->default_current_mode;
- section = weston_config_get_section(config, "core", NULL, NULL);
- if (get_gbm_format_from_section(section,
- GBM_FORMAT_XRGB8888,
- &b->format) == -1)
- goto err_base;
-
- b->use_pixman = param->use_pixman;
+ if (parse_gbm_format(config->format, GBM_FORMAT_XRGB8888, &b->format) < 0)
+ goto err_compositor;
+ if (config->seat_id)
+ seat_id = config->seat_id;
/* Check if we run drm-backend using weston-launch */
- compositor->launcher = weston_launcher_connect(compositor, param->tty,
- param->seat_id, true);
+ compositor->launcher = weston_launcher_connect(compositor, config->tty,
+ seat_id, true);
if (compositor->launcher == NULL) {
weston_log("fatal: drm backend should be run "
"using weston-launch binary or as root\n");
@@ -3113,7 +3037,7 @@ drm_backend_create(struct weston_compositor *compositor,
b->session_listener.notify = session_notify;
wl_signal_add(&compositor->session_signal, &b->session_listener);
- drm_device = find_primary_gpu(b, param->seat_id);
+ drm_device = find_primary_gpu(b, seat_id);
if (drm_device == NULL) {
weston_log("no drm device found\n");
goto err_udev;
@@ -3139,6 +3063,7 @@ drm_backend_create(struct weston_compositor *compositor,
b->base.destroy = drm_destroy;
b->base.restore = drm_restore;
+ b->base.create_output = NULL;
b->prev_state = WESTON_COMPOSITOR_ACTIVE;
@@ -3151,12 +3076,12 @@ drm_backend_create(struct weston_compositor *compositor,
create_sprites(b);
if (udev_input_init(&b->input,
- compositor, b->udev, param->seat_id) < 0) {
+ compositor, b->udev, seat_id) < 0) {
weston_log("failed to create input devices\n");
goto err_sprite;
}
- if (create_outputs(b, param->connector, drm_device) < 0) {
+ if (create_outputs(b, config->connector, drm_device) < 0) {
weston_log("failed to create output for %s\n", path);
goto err_udev_input;
}
@@ -3231,32 +3156,21 @@ err_udev:
udev_unref(b->udev);
err_compositor:
weston_compositor_shutdown(compositor);
-err_base:
+
free(b);
return NULL;
}
WL_EXPORT int
backend_init(struct weston_compositor *compositor, int *argc, char *argv[],
- struct weston_config *config,
- struct weston_backend_config *config_base)
+ struct weston_config *wc,
+ struct weston_backend_config *config_base)
{
struct drm_backend *b;
- struct drm_parameters param = { 0, };
-
- const struct weston_option drm_options[] = {
- { WESTON_OPTION_INTEGER, "connector", 0, ¶m.connector },
- { WESTON_OPTION_STRING, "seat", 0, ¶m.seat_id },
- { WESTON_OPTION_INTEGER, "tty", 0, ¶m.tty },
- { WESTON_OPTION_BOOLEAN, "current-mode", 0, &option_current_mode },
- { WESTON_OPTION_BOOLEAN, "use-pixman", 0, ¶m.use_pixman },
- };
-
- param.seat_id = default_seat;
-
- parse_options(drm_options, ARRAY_LENGTH(drm_options), argc, argv);
+ struct weston_drm_backend_config *config =
+ (struct weston_drm_backend_config *)config_base;
- b = drm_backend_create(compositor, ¶m, argc, argv, config);
+ b = drm_backend_create(compositor, config);
if (b == NULL)
return -1;
return 0;
diff --git a/src/compositor-drm.h b/src/compositor-drm.h
new file mode 100644
index 0000000..dab2591
--- /dev/null
+++ b/src/compositor-drm.h
@@ -0,0 +1,87 @@
+/*
+ * Copyright © 2008-2011 Kristian Høgsberg
+ * Copyright © 2011 Intel Corporation
+ * Copyright © 2015 Giulio Camuffo
+ *
+ * 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.
+ */
+
+#ifndef WESTON_COMPOSITOR_DRM_H
+#define WESTON_COMPOSITOR_DRM_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include "compositor.h"
+
+enum weston_drm_backend_output_type {
+ WESTON_DRM_BACKEND_OUTPUT_TYPE_INVALID = 0,
+ WESTON_DRM_BACKEND_OUTPUT_TYPE_OFF,
+ WESTON_DRM_BACKEND_OUTPUT_TYPE_PREFERRED,
+ WESTON_DRM_BACKEND_OUTPUT_TYPE_CURRENT,
+ WESTON_DRM_BACKEND_OUTPUT_TYPE_MODE,
+ WESTON_DRM_BACKEND_OUTPUT_TYPE_MODELINE
+};
+
+enum weston_drm_backend_modeline_flags {
+ WESTON_DRM_BACKEND_MODELINE_FLAG_PHSYNC = (1 << 0),
+ WESTON_DRM_BACKEND_MODELINE_FLAG_NHSYNC = (1 << 1),
+ WESTON_DRM_BACKEND_MODELINE_FLAG_PVSYNC = (1 << 2),
+ WESTON_DRM_BACKEND_MODELINE_FLAG_NVSYNC = (1 << 3),
+};
+
+struct weston_drm_backend_modeline {
+ uint32_t flags;
+ uint32_t clock;
+ uint16_t hdisplay, hsync_start, hsync_end, htotal;
+ uint16_t vdisplay, vsync_start, vsync_end, vtotal;
+};
+
+struct weston_drm_backend_output_config {
+ struct weston_backend_output_config base;
+
+ char *format;
+ char *seat;
+ enum weston_drm_backend_output_type type;
+ struct weston_drm_backend_modeline modeline;
+};
+
+struct weston_drm_backend_config {
+ struct weston_backend_config base;
+
+ int connector;
+ int tty;
+ bool use_pixman;
+ const char *seat_id;
+ const char *format;
+ bool default_current_mode;
+ void (*configure_output)(struct weston_compositor *compositor,
+ const char *name,
+ struct weston_drm_backend_output_config *config);
+};
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif
diff --git a/src/main.c b/src/main.c
index 292f8e0..bde27ee 100644
--- a/src/main.c
+++ b/src/main.c
@@ -47,6 +47,8 @@
#include "git-version.h"
#include "version.h"
+#include "compositor-drm.h"
+
static struct wl_list child_process_list;
static struct weston_compositor *segv_compositor;
@@ -666,12 +668,137 @@ load_backend_new(struct weston_compositor *compositor, const char *backend,
}
static int
+parse_modeline(const char *s, struct weston_drm_backend_modeline *mode)
+{
+ char hsync[16];
+ char vsync[16];
+ float fclock;
+
+ mode->flags = 0;
+
+ if (sscanf(s, "%f %hd %hd %hd %hd %hd %hd %hd %hd %15s %15s",
+ &fclock,
+ &mode->hdisplay,
+ &mode->hsync_start,
+ &mode->hsync_end,
+ &mode->htotal,
+ &mode->vdisplay,
+ &mode->vsync_start,
+ &mode->vsync_end,
+ &mode->vtotal, hsync, vsync) != 11)
+ return -1;
+
+ mode->clock = fclock * 1000;
+ if (strcmp(hsync, "+hsync") == 0)
+ mode->flags |= WESTON_DRM_BACKEND_MODELINE_FLAG_PHSYNC;
+ else if (strcmp(hsync, "-hsync") == 0)
+ mode->flags |= WESTON_DRM_BACKEND_MODELINE_FLAG_NHSYNC;
+ else
+ return -1;
+
+ if (strcmp(vsync, "+vsync") == 0)
+ mode->flags |= WESTON_DRM_BACKEND_MODELINE_FLAG_PVSYNC;
+ else if (strcmp(vsync, "-vsync") == 0)
+ mode->flags |= WESTON_DRM_BACKEND_MODELINE_FLAG_NVSYNC;
+ else
+ return -1;
+
+ return 0;
+}
+
+static void
+drm_configure_output(struct weston_compositor *c, const char *name,
+ struct weston_drm_backend_output_config *config)
+{
+ struct weston_config *wc = weston_compositor_get_user_data(c);
+ struct weston_config_section *section;
+ char *s;
+ int scale;
+
+ section = weston_config_get_section(wc, "output", "name", name);
+ weston_config_section_get_string(section, "mode", &s, "preferred");
+ if (strcmp(s, "off") == 0)
+ config->type = WESTON_DRM_BACKEND_OUTPUT_TYPE_OFF;
+ else if (strcmp(s, "preferred") == 0)
+ config->type = WESTON_DRM_BACKEND_OUTPUT_TYPE_PREFERRED;
+ else if (strcmp(s, "current") == 0)
+ config->type = WESTON_DRM_BACKEND_OUTPUT_TYPE_CURRENT;
+ else if (sscanf(s, "%dx%d", &config->base.width,
+ &config->base.height) == 2)
+ config->type = WESTON_DRM_BACKEND_OUTPUT_TYPE_MODE;
+ else if (parse_modeline(s, &config->modeline) == 0)
+ config->type = WESTON_DRM_BACKEND_OUTPUT_TYPE_MODELINE;
+ else {
+ weston_log("Invalid mode \"%s\" for output %s\n",
+ s, name);
+ config->type = WESTON_DRM_BACKEND_OUTPUT_TYPE_PREFERRED;
+ }
+ free(s);
+
+ weston_config_section_get_int(section, "scale", &scale, 1);
+ config->base.scale = scale >= 1 ? scale : 1;
+ weston_config_section_get_string(section, "transform", &s, "normal");
+ if (weston_parse_transform(s, &config->base.transform) < 0)
+ weston_log("Invalid transform \"%s\" for output %s\n",
+ s, name);
+ free(s);
+
+ weston_config_section_get_string(section,
+ "gbm-format", &config->format, NULL);
+ weston_config_section_get_string(section, "seat", &config->seat, "");
+}
+
+static int
+load_drm_backend(struct weston_compositor *c, const char *backend,
+ int *argc, char **argv, struct weston_config *wc)
+{
+ struct weston_drm_backend_config config = {
+ .use_pixman = false,
+ .connector = 0,
+ .seat_id = NULL,
+ .format = NULL,
+ .tty = 0,
+ .default_current_mode = false,
+ .configure_output = drm_configure_output,
+ };
+ struct weston_config_section *section;
+ char *format = NULL, *seat = NULL;
+ int ret = 0;
+
+ const struct weston_option options[] = {
+ { WESTON_OPTION_INTEGER, "connector", 0, &config.connector },
+ { WESTON_OPTION_STRING, "seat", 0, &seat },
+ { WESTON_OPTION_INTEGER, "tty", 0, &config.tty },
+ { WESTON_OPTION_BOOLEAN, "current-mode", 0,
+ &config.default_current_mode },
+ { WESTON_OPTION_BOOLEAN, "use-pixman", 0, &config.use_pixman },
+ };
+
+ parse_options(options, ARRAY_LENGTH(options), argc, argv);
+
+ section = weston_config_get_section(wc, "core", NULL, NULL);
+ weston_config_section_get_string(section,
+ "gbm-format", &format,
+ format);
+ config.format = format;
+ config.seat_id = seat;
+
+ if (load_backend_new(c, backend, &config.base) < 0)
+ ret = -1;
+
+ free(seat);
+ free(format);
+ return ret;
+}
+
+static int
load_backend(struct weston_compositor *compositor, const char *backend,
int *argc, char **argv, struct weston_config *config)
{
-#if 0
+
if (strstr(backend, "drm-backend.so"))
return load_drm_backend(compositor, backend, argc, argv, config);
+#if 0
else if (strstr(backend, "wayland-backend.so"))
return load_wayland_backend(compositor, backend, argc, argv, config);
else if (strstr(backend, "x11-backend.so"))
--
2.6.2
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