[PATCH weston v2 7/9] wayland-backend: split init_backend
Benoit Gschwind
gschwind at gnu-log.net
Mon May 2 10:55:53 UTC 2016
Hello Yong,
Thanks, I will fix this in next version after few more review :)
Best regards.
Le 29/04/2016 03:38, Yong Bakos a écrit :
> On Apr 28, 2016, at 1:33 PM, Benoit Gschwind <gschwind at gnu-log.net> wrote:
>>
>> Extract configuration parsing from init_backend function. The new
>> init_backend start by generating the configuration structure from
>> configuration file with separated function and then use this structure
>> to load the backend.
>>
>> Signed-off-by: Benoit Gschwind <gschwind at gnu-log.net>
>
> Hi Benoit, one minor whitespace issue, noted below.
>
> yong
>
>
>> ---
>> src/compositor-wayland.c | 179 +++++++++++++++++++++++++++++++++--------------
>> 1 file changed, 127 insertions(+), 52 deletions(-)
>>
>> diff --git a/src/compositor-wayland.c b/src/compositor-wayland.c
>> index e40403f..58593bd 100644
>> --- a/src/compositor-wayland.c
>> +++ b/src/compositor-wayland.c
>> @@ -67,6 +67,8 @@ struct weston_wayland_backend_config {
>> int fullscreen;
>> char *cursor_theme;
>> int cursor_size;
>> + int num_outputs;
>> + struct weston_wayland_backend_output_config *outputs;
>> };
>>
>> struct wayland_backend {
>> @@ -2341,18 +2343,43 @@ wayland_backend_destroy(struct wayland_backend *b)
>> free(b);
>> }
>>
>> -WL_EXPORT int
>> -backend_init(struct weston_compositor *compositor, int *argc, char *argv[],
>> +static void
>> +wayland_backend_config_release(struct weston_wayland_backend_config *new_config) {
>> + int i;
>> + for (i = 0; i < new_config->num_outputs; ++i) {
>> + free(new_config->outputs[i].name);
>> + }
>> + free(new_config->cursor_theme);
>> + free(new_config->display_name);
>> + free(new_config->outputs);
>> +}
>> +
>> +/*
>> + * Append a new output struct at the end of new_config.outputs and return a
>> + * pointer to the newly allocated structure or NULL if fail. The allocated
>> + * structure is NOT cleared nor set to default values.
>> + */
>> +static struct weston_wayland_backend_output_config *
>> +wayland_backend_config_add_new_output(struct weston_wayland_backend_config *new_config) {
>> + struct weston_wayland_backend_output_config *outputs;
>> + outputs = realloc(new_config->outputs,
>> + (new_config->num_outputs+1)*sizeof(struct weston_wayland_backend_output_config));
>> + if (!outputs)
>> + return NULL;
>> + new_config->num_outputs += 1;
>> + new_config->outputs = outputs;
>> + return &(new_config->outputs[new_config->num_outputs-1]);
>> +}
>> +
>> +static int
>> +load_wayland_backend_config(struct weston_compositor *compositor, int *argc, char *argv[],
>> struct weston_config *config,
>> - struct weston_backend_config *config_base)
>> + struct weston_wayland_backend_config *out_config)
>> {
>> - struct wayland_backend *b;
>> - struct wayland_output *output;
>> - struct wayland_parent_output *poutput;
>> + struct weston_wayland_backend_config new_config = { 0, };
>> struct weston_config_section *section;
>> - struct weston_wayland_backend_config new_config;
>> - struct weston_wayland_backend_output_config output_config;
>> - int x, count, width, height, scale;
>> + struct weston_wayland_backend_output_config *oc;
>> + int count, width, height, scale;
>> const char *section_name;
>> char *name;
>>
>> @@ -2387,39 +2414,30 @@ backend_init(struct weston_compositor *compositor, int *argc, char *argv[],
>> weston_config_section_get_int(section, "cursor-size",
>> &new_config.cursor_size, 32);
>>
>> - b = wayland_backend_create(compositor, &new_config, argc, argv, config);
>> -
>> - if (!b)
>> - return -1;
>> -
>> - if (new_config.sprawl || b->parent.fshell) {
>> - b->sprawl_across_outputs = 1;
>> - wl_display_roundtrip(b->parent.wl_display);
>> -
>> - wl_list_for_each(poutput, &b->parent.output_list, link)
>> - wayland_output_create_for_parent_output(b, poutput);
>> -
>> + if (new_config.sprawl) {
>> + /* do nothing, everything is already set */
>> + *out_config = new_config;
>> return 0;
>> }
>>
>> if (new_config.fullscreen) {
>> - output_config.width = width;
>> - output_config.height = height;
>> - output_config.name = NULL;
>> - output_config.transform = WL_OUTPUT_TRANSFORM_NORMAL;
>> - output_config.scale = scale;
>>
>> - output = wayland_output_create_for_config(b, &output_config,
>> - 1, 0, 0);
>> - if (!output)
>> + oc = wayland_backend_config_add_new_output(&new_config);
>> +
>> + if (!oc)
>> goto err_outputs;
>>
>> - wayland_output_set_fullscreen(output, 0, 0, NULL);
>> + oc->width = width;
>> + oc->height = height;
>> + oc->name = NULL;
>> + oc->transform = WL_OUTPUT_TRANSFORM_NORMAL;
>> + oc->scale = 1;
>> +
>> + *out_config = new_config;
>> return 0;
>> }
>>
>> section = NULL;
>> - x = 0;
>> while (weston_config_next_section(config, §ion, §ion_name)) {
>> if (!section_name || strcmp(section_name, "output") != 0)
>> continue;
>> @@ -2433,18 +2451,13 @@ backend_init(struct weston_compositor *compositor, int *argc, char *argv[],
>> }
>> free(name);
>>
>> - wayland_output_init_from_config(&output_config, section, width,
>> - height, scale);
>> - output = wayland_output_create_for_config(b, &output_config, 0,
>> - x, 0);
>> - free(output_config.name);
>> + oc = wayland_backend_config_add_new_output(&new_config);
>>
>> - if (!output)
>> - goto err_outputs;
>> - if (wayland_output_set_windowed(output))
>> + if (!oc)
>> goto err_outputs;
>>
>> - x += output->base.width;
>> + wayland_output_init_from_config(oc, section, width,
>> + height, scale);
>> --count;
>> }
>>
>> @@ -2455,33 +2468,95 @@ backend_init(struct weston_compositor *compositor, int *argc, char *argv[],
>> if (!scale)
>> scale = 1;
>> while (count > 0) {
>> - output_config.width = width;
>> - output_config.height = height;
>> - output_config.name = NULL;
>> - output_config.transform = WL_OUTPUT_TRANSFORM_NORMAL;
>> - output_config.scale = scale;
>>
>> - output = wayland_output_create_for_config(b, &output_config,
>> + oc = wayland_backend_config_add_new_output(&new_config);
>> +
>> + if (!oc)
>> + goto err_outputs;
>> +
>> + oc->width = width;
>> + oc->height = height;
>> + oc->name = NULL;
>> + oc->transform = WL_OUTPUT_TRANSFORM_NORMAL;
>> + oc->scale = scale;
>> +
>> + --count;
>> + }
>> +
>> + *out_config = new_config;
>> + return 0;
>> +
>> +err_outputs:
>> + wayland_backend_config_release(&new_config);
>> + return -1;
>> +}
>> +
>> +WL_EXPORT int
>> +backend_init(struct weston_compositor *compositor, int *argc, char *argv[],
>> + struct weston_config *config,
>> + struct weston_backend_config *config_base)
>> +{
>> + struct wayland_backend *b;
>> + struct wayland_output *output;
>> + struct wayland_parent_output *poutput;
>> + struct weston_wayland_backend_config new_config;
>> + int x, count;
>> +
>> + if(load_wayland_backend_config(compositor, argc, argv, config,
>
> if (
>
>
>> + &new_config) < 0) {
>> + wayland_backend_config_release(&new_config);
>> + return -1;
>> + }
>> +
>> + b = wayland_backend_create(compositor, &new_config, argc, argv, config);
>> +
>> + if (!b)
>> + return -1;
>> +
>> + if (new_config.sprawl || b->parent.fshell) {
>> + b->sprawl_across_outputs = 1;
>> + wl_display_roundtrip(b->parent.wl_display);
>> +
>> + wl_list_for_each(poutput, &b->parent.output_list, link)
>> + wayland_output_create_for_parent_output(b, poutput);
>> +
>> + return 0;
>> + }
>> +
>> + if (new_config.fullscreen) {
>> + if (new_config.num_outputs != 1 || !new_config.outputs)
>> + goto err_outputs;
>> +
>> + output = wayland_output_create_for_config(b,
>> + &new_config.outputs[0],
>> + 1, 0, 0);
>> + if (!output)
>> + goto err_outputs;
>> +
>> + wayland_output_set_fullscreen(output, 0, 0, NULL);
>> + return 0;
>> + }
>> +
>> + x = 0;
>> + for (count = 0; count < new_config.num_outputs; ++count) {
>> + output = wayland_output_create_for_config(b, &new_config.outputs[count],
>> 0, x, 0);
>> if (!output)
>> goto err_outputs;
>> if (wayland_output_set_windowed(output))
>> goto err_outputs;
>>
>> - x += width;
>> - --count;
>> + x += output->base.width;
>> }
>>
>> weston_compositor_add_key_binding(compositor, KEY_F,
>> MODIFIER_CTRL | MODIFIER_ALT,
>> fullscreen_binding, b);
>> - free(new_config.cursor_theme);
>> - free(new_config.display_name);
>> + wayland_backend_config_release(&new_config);
>> return 0;
>>
>> err_outputs:
>> wayland_backend_destroy(b);
>> - free(new_config.cursor_theme);
>> - free(new_config.display_name);
>> + wayland_backend_config_release(&new_config);
>> return -1;
>> }
>> --
>> 2.7.3
>>
>> _______________________________________________
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>> wayland-devel at lists.freedesktop.org
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>
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