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/*
* Copyright © 2010 Kristian Høgsberg
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software Foundation,
* Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "compositor.h"
static void
drm_authenticate(struct wl_client *client,
struct wl_drm *drm_base, uint32_t id)
{
struct wlsc_drm *drm = (struct wlsc_drm *) drm_base;
struct wlsc_compositor *compositor =
container_of(drm, struct wlsc_compositor, drm);
if (compositor->authenticate(compositor, id) < 0)
wl_client_post_event(client,
(struct wl_object *) compositor->wl_display,
WL_DISPLAY_INVALID_OBJECT, 0);
else
wl_client_post_event(client, &drm->base, WL_DRM_AUTHENTICATED);
}
static void
destroy_buffer(struct wl_resource *resource, struct wl_client *client)
{
struct wlsc_buffer *buffer =
container_of(resource, struct wlsc_buffer, base.base);
#if 0
/* FIXME: Need backlink to EGL display here */
eglDestroyImageKHR(ec->display, buffer->image);
#endif
free(buffer);
}
static void
buffer_destroy(struct wl_client *client, struct wl_buffer *buffer)
{
wl_resource_destroy(&buffer->base, client);
}
const static struct wl_buffer_interface buffer_interface = {
buffer_destroy
};
static void
drm_create_buffer(struct wl_client *client, struct wl_drm *drm_base,
uint32_t id, uint32_t name, int32_t width, int32_t height,
uint32_t stride, struct wl_visual *visual)
{
struct wlsc_drm *drm = (struct wlsc_drm *) drm_base;
struct wlsc_compositor *compositor =
container_of(drm, struct wlsc_compositor, drm);
struct wlsc_buffer *buffer;
EGLint attribs[] = {
EGL_WIDTH, 0,
EGL_HEIGHT, 0,
EGL_IMAGE_STRIDE_MESA, 0,
EGL_IMAGE_FORMAT_MESA, EGL_IMAGE_FORMAT_ARGB8888_MESA,
EGL_NONE
};
if (visual != &compositor->argb_visual &&
visual != &compositor->premultiplied_argb_visual &&
visual != &compositor->rgb_visual) {
/* FIXME: Define a real exception event instead of
* abusing this one */
wl_client_post_event(client,
(struct wl_object *) compositor->wl_display,
WL_DISPLAY_INVALID_OBJECT, 0);
fprintf(stderr, "invalid visual in create_buffer\n");
return;
}
buffer = malloc(sizeof *buffer);
if (buffer == NULL) {
wl_client_post_event(client,
(struct wl_object *) compositor->wl_display,
WL_DISPLAY_NO_MEMORY, 0);
return;
}
attribs[1] = width;
attribs[3] = height;
attribs[5] = stride / 4;
buffer->width = width;
buffer->height = height;
buffer->visual = visual;
buffer->image = eglCreateImageKHR(compositor->display,
compositor->context,
EGL_DRM_IMAGE_MESA,
(EGLClientBuffer) name, attribs);
if (buffer->image == NULL) {
/* FIXME: Define a real exception event instead of
* abusing this one */
free(buffer);
wl_client_post_event(client,
(struct wl_object *) compositor->wl_display,
WL_DISPLAY_INVALID_OBJECT, 0);
fprintf(stderr, "failed to create image for name %d\n", name);
return;
}
buffer->base.base.base.id = id;
buffer->base.base.base.interface = &wl_buffer_interface;
buffer->base.base.base.implementation = (void (**)(void))
&buffer_interface;
buffer->base.base.destroy = destroy_buffer;
wl_client_add_resource(client, &buffer->base.base);
}
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 wlsc_drm *drm = container_of(global, struct wlsc_drm, base);
wl_client_post_event(client, global, WL_DRM_DEVICE, drm->filename);
}
int
wlsc_drm_init(struct wlsc_compositor *ec, int fd, const char *filename)
{
struct wlsc_drm *drm = &ec->drm;
drm->fd = fd;
drm->filename = strdup(filename);
if (drm->filename == NULL)
return -1;
drm->base.interface = &wl_drm_interface;
drm->base.implementation = (void (**)(void)) &drm_interface;
wl_display_add_object(ec->wl_display, &drm->base);
wl_display_add_global(ec->wl_display, &drm->base, post_drm_device);
return 0;
}
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