FreeRDP/uwac/libuwac/uwac-output.c

144 lines
4.5 KiB
C

/*
* Copyright © 2014 David FORT <contact@hardening-consulting.com>
*
* Permission to use, copy, modify, distribute, and sell this software and its
* documentation for any purpose is hereby granted without fee, provided that
* the above copyright notice appear in all copies and that both that copyright
* notice and this permission notice appear in supporting documentation, and
* that the name of the copyright holders not be used in advertising or
* publicity pertaining to distribution of the software without specific,
* written prior permission. The copyright holders make no representations
* about the suitability of this software for any purpose. It is provided "as
* is" without express or implied warranty.
*
* THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
* INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
* EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY SPECIAL, INDIRECT OR
* CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
* DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
* TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
* OF THIS SOFTWARE.
*/
#include "uwac-priv.h"
#include "uwac-utils.h"
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <assert.h>
#define TARGET_OUTPUT_INTERFACE 2U
static void output_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)
{
UwacOutput* output = data;
output->position.x = x;
output->position.y = y;
output->transform = transform;
if (output->make)
free(output->make);
output->make = strdup(make);
if (!output->make)
{
assert(uwacErrorHandler(output->display, UWAC_ERROR_NOMEMORY, "%s: unable to strdup make\n",
__func__));
}
if (output->model)
free(output->model);
output->model = strdup(model);
if (!output->model)
{
assert(uwacErrorHandler(output->display, UWAC_ERROR_NOMEMORY,
"%s: unable to strdup model\n", __func__));
}
UwacEvent* event = UwacDisplayNewEvent(output->display, UWAC_EVENT_OUTPUT_GEOMETRY);
event->output_geometry.output = output;
event->output_geometry.x = x;
event->output_geometry.y = y;
event->output_geometry.physical_width = physical_width;
event->output_geometry.physical_height = physical_height;
event->output_geometry.subpixel = subpixel;
event->output_geometry.make = output->make;
event->output_geometry.model = output->model;
event->output_geometry.transform = transform;
}
static void output_handle_done(void* data, struct wl_output* wl_output)
{
UwacOutput* output = data;
output->doneReceived = true;
}
static void output_handle_scale(void* data, struct wl_output* wl_output, int32_t scale)
{
UwacOutput* output = data;
output->scale = scale;
}
static void output_handle_mode(void* data, struct wl_output* wl_output, uint32_t flags, int width,
int height, int refresh)
{
UwacOutput* output = data;
// UwacDisplay *display = output->display;
if (output->doneNeeded && output->doneReceived)
{
/* TODO: we should clear the mode list */
}
if (flags & WL_OUTPUT_MODE_CURRENT)
{
output->resolution.width = width;
output->resolution.height = height;
/* output->allocation.width = width;
output->allocation.height = height;
if (display->output_configure_handler)
(*display->output_configure_handler)(
output, display->user_data);*/
}
}
static const struct wl_output_listener output_listener = { output_handle_geometry,
output_handle_mode, output_handle_done,
output_handle_scale };
UwacOutput* UwacCreateOutput(UwacDisplay* d, uint32_t id, uint32_t version)
{
UwacOutput* o;
o = xzalloc(sizeof *o);
if (!o)
return NULL;
o->display = d;
o->server_output_id = id;
o->doneNeeded = (version > 1);
o->doneReceived = false;
o->output = wl_registry_bind(d->registry, id, &wl_output_interface,
min(TARGET_OUTPUT_INTERFACE, version));
wl_output_add_listener(o->output, &output_listener, o);
wl_list_insert(d->outputs.prev, &o->link);
return o;
}
int UwacDestroyOutput(UwacOutput* output)
{
free(output->make);
free(output->model);
wl_output_destroy(output->output);
wl_list_remove(&output->link);
free(output);
return UWAC_SUCCESS;
}