299 lines
9.3 KiB
C
299 lines
9.3 KiB
C
/*
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* Copyright © 2011 Kristian Høgsberg
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* Copyright © 2011 Benjamin Franzke
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice (including the next
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* paragraph) shall be included in all copies or substantial portions of the
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* Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
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* HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
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* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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* DEALINGS IN THE SOFTWARE.
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*
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* Authors:
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* Kristian Høgsberg <krh@bitplanet.net>
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* Benjamin Franzke <benjaminfranzke@googlemail.com>
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <stddef.h>
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#include <unistd.h>
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#include <wayland-server.h>
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#include "wayland-drm.h"
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#include "wayland-drm-server-protocol.h"
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#define MIN(x,y) (((x)<(y))?(x):(y))
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static void
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destroy_buffer(struct wl_resource *resource)
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{
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struct wl_drm_buffer *buffer = wl_resource_get_user_data(resource);
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struct wl_drm *drm = buffer->drm;
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drm->callbacks.release_buffer(drm->user_data, buffer);
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free(buffer);
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}
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static void
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buffer_destroy(struct wl_client *client, struct wl_resource *resource)
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{
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wl_resource_destroy(resource);
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}
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static void
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create_buffer(struct wl_client *client, struct wl_resource *resource,
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uint32_t id, uint32_t name, int fd,
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int32_t width, int32_t height,
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uint32_t format,
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int32_t offset0, int32_t stride0,
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int32_t offset1, int32_t stride1,
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int32_t offset2, int32_t stride2)
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{
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struct wl_drm *drm = wl_resource_get_user_data(resource);
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struct wl_drm_buffer *buffer;
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buffer = calloc(1, sizeof *buffer);
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if (buffer == NULL) {
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wl_resource_post_no_memory(resource);
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return;
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}
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buffer->drm = drm;
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buffer->width = width;
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buffer->height = height;
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buffer->format = format;
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buffer->offset[0] = offset0;
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buffer->stride[0] = stride0;
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buffer->offset[1] = offset1;
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buffer->stride[1] = stride1;
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buffer->offset[2] = offset2;
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buffer->stride[2] = stride2;
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drm->callbacks.reference_buffer(drm->user_data, name, fd, buffer);
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if (buffer->driver_buffer == NULL) {
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wl_resource_post_error(resource,
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WL_DRM_ERROR_INVALID_NAME,
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"invalid name");
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return;
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}
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buffer->resource =
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wl_resource_create(client, &wl_buffer_interface, 1, id);
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if (!buffer->resource) {
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wl_resource_post_no_memory(resource);
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free(buffer);
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return;
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}
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wl_resource_set_implementation(buffer->resource,
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(void (**)(void)) &drm->buffer_interface,
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buffer, destroy_buffer);
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}
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static void
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drm_create_buffer(struct wl_client *client, struct wl_resource *resource,
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uint32_t id, uint32_t name, int32_t width, int32_t height,
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uint32_t stride, uint32_t format)
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{
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switch (format) {
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case WL_DRM_FORMAT_ABGR2101010:
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case WL_DRM_FORMAT_XBGR2101010:
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case WL_DRM_FORMAT_ARGB2101010:
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case WL_DRM_FORMAT_XRGB2101010:
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case WL_DRM_FORMAT_ARGB8888:
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case WL_DRM_FORMAT_XRGB8888:
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case WL_DRM_FORMAT_YUYV:
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case WL_DRM_FORMAT_RGB565:
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break;
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default:
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wl_resource_post_error(resource,
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WL_DRM_ERROR_INVALID_FORMAT,
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"invalid format");
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return;
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}
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create_buffer(client, resource, id,
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name, -1, width, height, format, 0, stride, 0, 0, 0, 0);
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}
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static void
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drm_create_planar_buffer(struct wl_client *client,
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struct wl_resource *resource,
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uint32_t id, uint32_t name,
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int32_t width, int32_t height, uint32_t format,
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int32_t offset0, int32_t stride0,
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int32_t offset1, int32_t stride1,
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int32_t offset2, int32_t stride2)
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{
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switch (format) {
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case WL_DRM_FORMAT_YUV410:
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case WL_DRM_FORMAT_YUV411:
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case WL_DRM_FORMAT_YUV420:
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case WL_DRM_FORMAT_YUV422:
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case WL_DRM_FORMAT_YUV444:
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case WL_DRM_FORMAT_NV12:
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case WL_DRM_FORMAT_NV16:
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break;
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default:
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wl_resource_post_error(resource,
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WL_DRM_ERROR_INVALID_FORMAT,
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"invalid format");
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return;
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}
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create_buffer(client, resource, id, name, -1, width, height, format,
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offset0, stride0, offset1, stride1, offset2, stride2);
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}
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static void
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drm_create_prime_buffer(struct wl_client *client,
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struct wl_resource *resource,
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uint32_t id, int fd,
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int32_t width, int32_t height, uint32_t format,
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int32_t offset0, int32_t stride0,
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int32_t offset1, int32_t stride1,
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int32_t offset2, int32_t stride2)
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{
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create_buffer(client, resource, id, 0, fd, width, height, format,
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offset0, stride0, offset1, stride1, offset2, stride2);
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close(fd);
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}
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static void
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drm_authenticate(struct wl_client *client,
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struct wl_resource *resource, uint32_t id)
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{
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struct wl_drm *drm = wl_resource_get_user_data(resource);
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if (!drm->callbacks.authenticate ||
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drm->callbacks.authenticate(drm->user_data, id) < 0)
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wl_resource_post_error(resource,
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WL_DRM_ERROR_AUTHENTICATE_FAIL,
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"authenticate failed");
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else
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wl_resource_post_event(resource, WL_DRM_AUTHENTICATED);
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}
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static const struct wl_drm_interface drm_interface = {
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drm_authenticate,
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drm_create_buffer,
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drm_create_planar_buffer,
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drm_create_prime_buffer
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};
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static void
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bind_drm(struct wl_client *client, void *data, uint32_t version, uint32_t id)
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{
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struct wl_drm *drm = data;
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struct wl_resource *resource;
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uint32_t capabilities;
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resource = wl_resource_create(client, &wl_drm_interface,
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MIN(version, 2), id);
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if (!resource) {
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wl_client_post_no_memory(client);
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return;
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}
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wl_resource_set_implementation(resource, &drm_interface, data, NULL);
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wl_resource_post_event(resource, WL_DRM_DEVICE, drm->device_name);
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if (drm->callbacks.is_format_supported(drm->user_data,
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WL_DRM_FORMAT_ARGB2101010)) {
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wl_resource_post_event(resource, WL_DRM_FORMAT,
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WL_DRM_FORMAT_ARGB2101010);
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}
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if (drm->callbacks.is_format_supported(drm->user_data,
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WL_DRM_FORMAT_XRGB2101010)) {
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wl_resource_post_event(resource, WL_DRM_FORMAT,
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WL_DRM_FORMAT_XRGB2101010);
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}
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if (drm->callbacks.is_format_supported(drm->user_data,
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WL_DRM_FORMAT_ABGR2101010)) {
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wl_resource_post_event(resource, WL_DRM_FORMAT,
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WL_DRM_FORMAT_ABGR2101010);
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}
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if (drm->callbacks.is_format_supported(drm->user_data,
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WL_DRM_FORMAT_XBGR2101010)) {
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wl_resource_post_event(resource, WL_DRM_FORMAT,
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WL_DRM_FORMAT_XBGR2101010);
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}
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wl_resource_post_event(resource, WL_DRM_FORMAT,
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WL_DRM_FORMAT_ARGB8888);
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wl_resource_post_event(resource, WL_DRM_FORMAT,
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WL_DRM_FORMAT_XRGB8888);
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wl_resource_post_event(resource, WL_DRM_FORMAT,
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WL_DRM_FORMAT_RGB565);
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wl_resource_post_event(resource, WL_DRM_FORMAT, WL_DRM_FORMAT_YUV410);
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wl_resource_post_event(resource, WL_DRM_FORMAT, WL_DRM_FORMAT_YUV411);
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wl_resource_post_event(resource, WL_DRM_FORMAT, WL_DRM_FORMAT_YUV420);
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wl_resource_post_event(resource, WL_DRM_FORMAT, WL_DRM_FORMAT_YUV422);
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wl_resource_post_event(resource, WL_DRM_FORMAT, WL_DRM_FORMAT_YUV444);
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wl_resource_post_event(resource, WL_DRM_FORMAT, WL_DRM_FORMAT_NV12);
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wl_resource_post_event(resource, WL_DRM_FORMAT, WL_DRM_FORMAT_NV16);
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wl_resource_post_event(resource, WL_DRM_FORMAT, WL_DRM_FORMAT_YUYV);
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capabilities = 0;
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if (drm->flags & WAYLAND_DRM_PRIME)
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capabilities |= WL_DRM_CAPABILITY_PRIME;
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if (version >= 2)
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wl_resource_post_event(resource, WL_DRM_CAPABILITIES, capabilities);
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}
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struct wl_drm *
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wayland_drm_init(struct wl_display *display, char *device_name,
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const struct wayland_drm_callbacks *callbacks, void *user_data,
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uint32_t flags)
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{
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struct wl_drm *drm;
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drm = malloc(sizeof *drm);
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if (!drm)
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return NULL;
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drm->display = display;
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drm->device_name = strdup(device_name);
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drm->callbacks = *callbacks;
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drm->user_data = user_data;
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drm->flags = flags;
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drm->buffer_interface.destroy = buffer_destroy;
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drm->wl_drm_global =
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wl_global_create(display, &wl_drm_interface, 2,
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drm, bind_drm);
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return drm;
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}
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void
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wayland_drm_uninit(struct wl_drm *drm)
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{
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free(drm->device_name);
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wl_global_destroy(drm->wl_drm_global);
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free(drm);
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}
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