-/*
- * 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 <unistd.h>
-
-#include <wayland-server.h>
-#include "wayland-drm.h"
-#include "wayland-drm-server-protocol.h"
-
-#define MIN(x,y) (((x)<(y))?(x):(y))
-
-struct wl_drm {
- struct wl_display *display;
- struct wl_global *wl_drm_global;
-
- void *user_data;
- char *device_name;
- uint32_t flags;
-
- struct wayland_drm_callbacks *callbacks;
-
- struct wl_buffer_interface buffer_interface;
-};
-
-static void
-destroy_buffer(struct wl_resource *resource)
-{
- struct wl_drm_buffer *buffer = resource->data;
- struct wl_drm *drm = buffer->drm;
-
- drm->callbacks->release_buffer(drm->user_data, buffer);
- free(buffer);
-}
-
-static void
-buffer_destroy(struct wl_client *client, struct wl_resource *resource)
-{
- wl_resource_destroy(resource);
-}
-
-static void
-create_buffer(struct wl_client *client, struct wl_resource *resource,
- uint32_t id, uint32_t name, int fd,
- int32_t width, int32_t height,
- uint32_t format,
- int32_t offset0, int32_t stride0,
- int32_t offset1, int32_t stride1,
- int32_t offset2, int32_t stride2)
-{
- struct wl_drm *drm = resource->data;
- struct wl_drm_buffer *buffer;
-
- buffer = calloc(1, sizeof *buffer);
- if (buffer == NULL) {
- wl_resource_post_no_memory(resource);
- return;
- }
-
- buffer->drm = drm;
- buffer->width = width;
- buffer->height = height;
- buffer->format = format;
- buffer->offset[0] = offset0;
- buffer->stride[0] = stride0;
- buffer->offset[1] = offset1;
- buffer->stride[1] = stride1;
- buffer->offset[2] = offset2;
- buffer->stride[2] = stride2;
-
- drm->callbacks->reference_buffer(drm->user_data, name, fd, buffer);
- if (buffer->driver_buffer == NULL) {
- wl_resource_post_error(resource,
- WL_DRM_ERROR_INVALID_NAME,
- "invalid name");
- return;
- }
-
- buffer->resource =
- wl_resource_create(client, &wl_buffer_interface, 1, id);
- if (!buffer->resource) {
- wl_resource_post_no_memory(resource);
- free(buffer);
- return;
- }
-
- wl_resource_set_implementation(buffer->resource,
- (void (**)(void)) &drm->buffer_interface,
- buffer, destroy_buffer);
-}
-
-static void
-drm_create_buffer(struct wl_client *client, struct wl_resource *resource,
- uint32_t id, uint32_t name, int32_t width, int32_t height,
- uint32_t stride, uint32_t format)
-{
- switch (format) {
- case WL_DRM_FORMAT_ARGB8888:
- case WL_DRM_FORMAT_XRGB8888:
- case WL_DRM_FORMAT_YUYV:
- case WL_DRM_FORMAT_RGB565:
- break;
- default:
- wl_resource_post_error(resource,
- WL_DRM_ERROR_INVALID_FORMAT,
- "invalid format");
- return;
- }
-
- create_buffer(client, resource, id,
- name, -1, width, height, format, 0, stride, 0, 0, 0, 0);
-}
-
-static void
-drm_create_planar_buffer(struct wl_client *client,
- struct wl_resource *resource,
- uint32_t id, uint32_t name,
- int32_t width, int32_t height, uint32_t format,
- int32_t offset0, int32_t stride0,
- int32_t offset1, int32_t stride1,
- int32_t offset2, int32_t stride2)
-{
- switch (format) {
- case WL_DRM_FORMAT_YUV410:
- case WL_DRM_FORMAT_YUV411:
- case WL_DRM_FORMAT_YUV420:
- case WL_DRM_FORMAT_YUV422:
- case WL_DRM_FORMAT_YUV444:
- case WL_DRM_FORMAT_NV12:
- case WL_DRM_FORMAT_NV16:
- break;
- default:
- wl_resource_post_error(resource,
- WL_DRM_ERROR_INVALID_FORMAT,
- "invalid format");
- return;
- }
-
- create_buffer(client, resource, id, name, -1, width, height, format,
- offset0, stride0, offset1, stride1, offset2, stride2);
-}
-
-static void
-drm_create_prime_buffer(struct wl_client *client,
- struct wl_resource *resource,
- uint32_t id, int fd,
- int32_t width, int32_t height, uint32_t format,
- int32_t offset0, int32_t stride0,
- int32_t offset1, int32_t stride1,
- int32_t offset2, int32_t stride2)
-{
- create_buffer(client, resource, id, 0, fd, width, height, format,
- offset0, stride0, offset1, stride1, offset2, stride2);
- close(fd);
-}
-
-static void
-drm_authenticate(struct wl_client *client,
- struct wl_resource *resource, uint32_t id)
-{
- struct wl_drm *drm = resource->data;
-
- if (drm->callbacks->authenticate(drm->user_data, id) < 0)
- wl_resource_post_error(resource,
- WL_DRM_ERROR_AUTHENTICATE_FAIL,
- "authenicate failed");
- else
- wl_resource_post_event(resource, WL_DRM_AUTHENTICATED);
-}
-
-const static struct wl_drm_interface drm_interface = {
- drm_authenticate,
- drm_create_buffer,
- drm_create_planar_buffer,
- drm_create_prime_buffer
-};
-
-static void
-bind_drm(struct wl_client *client, void *data, uint32_t version, uint32_t id)
-{
- struct wl_drm *drm = data;
- struct wl_resource *resource;
- uint32_t capabilities;
-
- resource = wl_resource_create(client, &wl_drm_interface,
- MIN(version, 2), id);
- if (!resource) {
- wl_client_post_no_memory(client);
- return;
- }
-
- wl_resource_set_implementation(resource, &drm_interface, data, NULL);
-
- wl_resource_post_event(resource, WL_DRM_DEVICE, drm->device_name);
- wl_resource_post_event(resource, WL_DRM_FORMAT,
- WL_DRM_FORMAT_ARGB8888);
- wl_resource_post_event(resource, WL_DRM_FORMAT,
- WL_DRM_FORMAT_XRGB8888);
- wl_resource_post_event(resource, WL_DRM_FORMAT,
- WL_DRM_FORMAT_RGB565);
- wl_resource_post_event(resource, WL_DRM_FORMAT, WL_DRM_FORMAT_YUV410);
- wl_resource_post_event(resource, WL_DRM_FORMAT, WL_DRM_FORMAT_YUV411);
- wl_resource_post_event(resource, WL_DRM_FORMAT, WL_DRM_FORMAT_YUV420);
- wl_resource_post_event(resource, WL_DRM_FORMAT, WL_DRM_FORMAT_YUV422);
- wl_resource_post_event(resource, WL_DRM_FORMAT, WL_DRM_FORMAT_YUV444);
- wl_resource_post_event(resource, WL_DRM_FORMAT, WL_DRM_FORMAT_NV12);
- wl_resource_post_event(resource, WL_DRM_FORMAT, WL_DRM_FORMAT_NV16);
- wl_resource_post_event(resource, WL_DRM_FORMAT, WL_DRM_FORMAT_YUYV);
-
- capabilities = 0;
- if (drm->flags & WAYLAND_DRM_PRIME)
- capabilities |= WL_DRM_CAPABILITY_PRIME;
-
- if (version >= 2)
- wl_resource_post_event(resource, WL_DRM_CAPABILITIES, capabilities);
-}
-
-struct wl_drm_buffer *
-wayland_drm_buffer_get(struct wl_drm *drm, struct wl_resource *resource)
-{
- if (resource == NULL)
- return NULL;
-
- if (wl_resource_instance_of(resource, &wl_buffer_interface,
- &drm->buffer_interface))
- return wl_resource_get_user_data(resource);
- else
- return NULL;
-}
-
-struct wl_drm *
-wayland_drm_init(struct wl_display *display, char *device_name,
- struct wayland_drm_callbacks *callbacks, void *user_data,
- uint32_t flags)
-{
- 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->flags = flags;
-
- drm->buffer_interface.destroy = buffer_destroy;
-
- drm->wl_drm_global =
- wl_global_create(display, &wl_drm_interface, 2,
- drm, bind_drm);
-
- return drm;
-}
-
-void
-wayland_drm_uninit(struct wl_drm *drm)
-{
- free(drm->device_name);
-
- wl_global_destroy(drm->wl_drm_global);
-
- free(drm);
-}
-
-uint32_t
-wayland_drm_buffer_get_format(struct wl_drm_buffer *buffer)
-{
- return buffer->format;
-}
-
-void *
-wayland_drm_buffer_get_buffer(struct wl_drm_buffer *buffer)
-{
- return buffer->driver_buffer;
-}