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/*
* Copyright © 2011 Kristian Høgsberg
* Copyright © 2011 Benjamin Franzke
*
* 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.
*
* Authors:
* Kristian Høgsberg <krh@bitplanet.net>
* Benjamin Franzke <benjaminfranzke@googlemail.com>
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <stddef.h>
#include <wayland-server.h>
#include "wayland-drm.h"
#include "wayland-drm-server-protocol.h"
struct wl_drm {
struct wl_object object;
struct wl_display *display;
void *user_data;
char *device_name;
struct wayland_drm_callbacks *callbacks;
};
struct wl_drm_buffer {
struct wl_buffer buffer;
struct wl_drm *drm;
void *driver_buffer;
};
static void
buffer_damage(struct wl_client *client, struct wl_buffer *buffer,
int32_t x, int32_t y, int32_t width, int32_t height)
{
}
static void
destroy_buffer(struct wl_resource *resource, struct wl_client *client)
{
struct wl_drm_buffer *buffer = (struct wl_drm_buffer *) resource;
struct wl_drm *drm = buffer->drm;
drm->callbacks->release_buffer(drm->user_data,
buffer->driver_buffer);
free(buffer);
}
static void
buffer_destroy(struct wl_client *client, struct wl_buffer *buffer)
{
wl_resource_destroy(&buffer->resource, client, 0);
}
const static struct wl_buffer_interface drm_buffer_interface = {
buffer_damage,
buffer_destroy
};
static void
drm_create_buffer(struct wl_client *client, struct wl_drm *drm,
uint32_t id, uint32_t name, int32_t width, int32_t height,
uint32_t stride, struct wl_visual *visual)
{
struct wl_drm_buffer *buffer;
buffer = malloc(sizeof *buffer);
if (buffer == NULL) {
wl_client_post_no_memory(client);
return;
}
buffer->drm = drm;
buffer->buffer.compositor = NULL;
buffer->buffer.width = width;
buffer->buffer.height = height;
buffer->buffer.visual = visual;
if (visual->object.interface != &wl_visual_interface) {
/* FIXME: Define a real exception event instead of
* abusing this one */
wl_client_post_event(client,
(struct wl_object *) drm->display,
WL_DISPLAY_INVALID_OBJECT, 0);
fprintf(stderr, "invalid visual in create_buffer\n");
return;
}
buffer->driver_buffer =
drm->callbacks->reference_buffer(drm->user_data, name,
width, height,
stride, visual);
if (buffer->driver_buffer == NULL) {
/* FIXME: Define a real exception event instead of
* abusing this one */
wl_client_post_event(client,
(struct wl_object *) drm->display,
WL_DISPLAY_INVALID_OBJECT, 0);
fprintf(stderr, "failed to create image for name %d\n", name);
return;
}
buffer->buffer.resource.object.id = id;
buffer->buffer.resource.object.interface = &wl_buffer_interface;
buffer->buffer.resource.object.implementation = (void (**)(void))
&drm_buffer_interface;
buffer->buffer.resource.destroy = destroy_buffer;
wl_client_add_resource(client, &buffer->buffer.resource);
}
static void
drm_authenticate(struct wl_client *client,
struct wl_drm *drm, uint32_t id)
{
if (drm->callbacks->authenticate(drm->user_data, id) < 0)
wl_client_post_event(client,
(struct wl_object *) drm->display,
WL_DISPLAY_INVALID_OBJECT, 0);
else
wl_client_post_event(client, &drm->object,
WL_DRM_AUTHENTICATED);
}
const static struct wl_drm_interface drm_interface = {
drm_authenticate,
drm_create_buffer
};
static void
post_drm_device(struct wl_client *client, struct wl_object *global)
{
struct wl_drm *drm = (struct wl_drm *) global;
wl_client_post_event(client, global, WL_DRM_DEVICE, drm->device_name);
}
struct wl_drm *
wayland_drm_init(struct wl_display *display, char *device_name,
struct wayland_drm_callbacks *callbacks, void *user_data)
{
struct wl_drm *drm;
drm = malloc(sizeof *drm);
drm->display = display;
drm->device_name = strdup(device_name);
drm->callbacks = callbacks;
drm->user_data = user_data;
drm->object.interface = &wl_drm_interface;
drm->object.implementation = (void (**)(void)) &drm_interface;
wl_display_add_object(display, &drm->object);
wl_display_add_global(display, &drm->object, post_drm_device);
return drm;
}
void
wayland_drm_uninit(struct wl_drm *drm)
{
free(drm->device_name);
/* FIXME: need wl_display_del_{object,global} */
free(drm);
}
int
wayland_buffer_is_drm(struct wl_buffer *buffer)
{
return buffer->resource.object.implementation ==
(void (**)(void)) &drm_buffer_interface;
}
void *
wayland_drm_buffer_get_buffer(struct wl_buffer *buffer_base)
{
struct wl_drm_buffer *buffer = (struct wl_drm_buffer *) buffer_base;
return buffer->driver_buffer;
}
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