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| 4358 | Serge | 1 | /* |
| 2 | * Copyright © 2011 Kristian Høgsberg |
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| 3 | * Copyright © 2011 Benjamin Franzke |
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| 4 | * |
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| 5 | * Permission is hereby granted, free of charge, to any person obtaining a |
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| 6 | * copy of this software and associated documentation files (the "Software"), |
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| 7 | * to deal in the Software without restriction, including without limitation |
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| 8 | * the rights to use, copy, modify, merge, publish, distribute, sublicense, |
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| 9 | * and/or sell copies of the Software, and to permit persons to whom the |
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| 10 | * Software is furnished to do so, subject to the following conditions: |
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| 11 | * |
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| 12 | * The above copyright notice and this permission notice (including the next |
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| 13 | * paragraph) shall be included in all copies or substantial portions of the |
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| 14 | * Software. |
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| 15 | * |
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| 16 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, |
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| 17 | * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
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| 18 | * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND |
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| 19 | * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT |
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| 20 | * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, |
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| 21 | * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
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| 22 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER |
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| 23 | * DEALINGS IN THE SOFTWARE. |
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| 24 | * |
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| 25 | * Authors: |
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| 26 | * Kristian Høgsberg |
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| 27 | * Benjamin Franzke |
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| 28 | */ |
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| 29 | |||
| 30 | #include |
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| 31 | #include |
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| 32 | #include |
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| 33 | #include |
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| 34 | #include |
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| 35 | |||
| 36 | #include |
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| 37 | #include "wayland-drm.h" |
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| 38 | #include "wayland-drm-server-protocol.h" |
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| 39 | |||
| 40 | struct wl_drm { |
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| 41 | struct wl_display *display; |
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| 42 | |||
| 43 | void *user_data; |
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| 44 | char *device_name; |
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| 45 | uint32_t flags; |
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| 46 | |||
| 47 | struct wayland_drm_callbacks *callbacks; |
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| 48 | }; |
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| 49 | |||
| 50 | static void |
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| 51 | destroy_buffer(struct wl_resource *resource) |
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| 52 | { |
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| 53 | struct wl_drm_buffer *buffer = resource->data; |
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| 54 | struct wl_drm *drm = buffer->drm; |
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| 55 | |||
| 56 | drm->callbacks->release_buffer(drm->user_data, buffer); |
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| 57 | free(buffer); |
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| 58 | } |
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| 59 | |||
| 60 | static void |
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| 61 | buffer_destroy(struct wl_client *client, struct wl_resource *resource) |
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| 62 | { |
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| 63 | wl_resource_destroy(resource); |
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| 64 | } |
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| 65 | |||
| 66 | const static struct wl_buffer_interface drm_buffer_interface = { |
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| 67 | buffer_destroy |
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| 68 | }; |
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| 69 | |||
| 70 | static void |
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| 71 | create_buffer(struct wl_client *client, struct wl_resource *resource, |
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| 72 | uint32_t id, uint32_t name, int fd, |
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| 73 | int32_t width, int32_t height, |
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| 74 | uint32_t format, |
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| 75 | int32_t offset0, int32_t stride0, |
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| 76 | int32_t offset1, int32_t stride1, |
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| 77 | int32_t offset2, int32_t stride2) |
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| 78 | { |
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| 79 | struct wl_drm *drm = resource->data; |
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| 80 | struct wl_drm_buffer *buffer; |
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| 81 | |||
| 82 | buffer = calloc(1, sizeof *buffer); |
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| 83 | if (buffer == NULL) { |
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| 84 | wl_resource_post_no_memory(resource); |
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| 85 | return; |
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| 86 | } |
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| 87 | |||
| 88 | buffer->drm = drm; |
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| 89 | buffer->buffer.width = width; |
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| 90 | buffer->buffer.height = height; |
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| 91 | buffer->format = format; |
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| 92 | buffer->offset[0] = offset0; |
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| 93 | buffer->stride[0] = stride0; |
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| 94 | buffer->offset[1] = offset1; |
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| 95 | buffer->stride[1] = stride1; |
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| 96 | buffer->offset[2] = offset2; |
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| 97 | buffer->stride[2] = stride2; |
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| 98 | |||
| 99 | drm->callbacks->reference_buffer(drm->user_data, name, fd, buffer); |
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| 100 | if (buffer->driver_buffer == NULL) { |
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| 101 | wl_resource_post_error(resource, |
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| 102 | WL_DRM_ERROR_INVALID_NAME, |
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| 103 | "invalid name"); |
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| 104 | return; |
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| 105 | } |
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| 106 | |||
| 107 | buffer->buffer.resource.object.id = id; |
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| 108 | buffer->buffer.resource.object.interface = &wl_buffer_interface; |
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| 109 | buffer->buffer.resource.object.implementation = |
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| 110 | (void (**)(void)) &drm_buffer_interface; |
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| 111 | buffer->buffer.resource.data = buffer; |
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| 112 | |||
| 113 | buffer->buffer.resource.destroy = destroy_buffer; |
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| 114 | buffer->buffer.resource.client = resource->client; |
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| 115 | |||
| 116 | wl_client_add_resource(resource->client, &buffer->buffer.resource); |
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| 117 | } |
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| 118 | |||
| 119 | static void |
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| 120 | drm_create_buffer(struct wl_client *client, struct wl_resource *resource, |
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| 121 | uint32_t id, uint32_t name, int32_t width, int32_t height, |
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| 122 | uint32_t stride, uint32_t format) |
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| 123 | { |
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| 124 | switch (format) { |
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| 125 | case WL_DRM_FORMAT_ARGB8888: |
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| 126 | case WL_DRM_FORMAT_XRGB8888: |
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| 127 | case WL_DRM_FORMAT_YUYV: |
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| 128 | break; |
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| 129 | default: |
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| 130 | wl_resource_post_error(resource, |
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| 131 | WL_DRM_ERROR_INVALID_FORMAT, |
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| 132 | "invalid format"); |
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| 133 | return; |
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| 134 | } |
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| 135 | |||
| 136 | create_buffer(client, resource, id, |
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| 137 | name, -1, width, height, format, 0, stride, 0, 0, 0, 0); |
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| 138 | } |
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| 139 | |||
| 140 | static void |
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| 141 | drm_create_planar_buffer(struct wl_client *client, |
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| 142 | struct wl_resource *resource, |
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| 143 | uint32_t id, uint32_t name, |
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| 144 | int32_t width, int32_t height, uint32_t format, |
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| 145 | int32_t offset0, int32_t stride0, |
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| 146 | int32_t offset1, int32_t stride1, |
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| 147 | int32_t offset2, int32_t stride2) |
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| 148 | { |
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| 149 | switch (format) { |
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| 150 | case WL_DRM_FORMAT_YUV410: |
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| 151 | case WL_DRM_FORMAT_YUV411: |
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| 152 | case WL_DRM_FORMAT_YUV420: |
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| 153 | case WL_DRM_FORMAT_YUV422: |
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| 154 | case WL_DRM_FORMAT_YUV444: |
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| 155 | case WL_DRM_FORMAT_NV12: |
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| 156 | case WL_DRM_FORMAT_NV16: |
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| 157 | break; |
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| 158 | default: |
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| 159 | wl_resource_post_error(resource, |
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| 160 | WL_DRM_ERROR_INVALID_FORMAT, |
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| 161 | "invalid format"); |
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| 162 | return; |
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| 163 | } |
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| 164 | |||
| 165 | create_buffer(client, resource, id, name, -1, width, height, format, |
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| 166 | offset0, stride0, offset1, stride1, offset2, stride2); |
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| 167 | } |
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| 168 | |||
| 169 | static void |
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| 170 | drm_create_prime_buffer(struct wl_client *client, |
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| 171 | struct wl_resource *resource, |
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| 172 | uint32_t id, int fd, |
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| 173 | int32_t width, int32_t height, uint32_t format, |
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| 174 | int32_t offset0, int32_t stride0, |
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| 175 | int32_t offset1, int32_t stride1, |
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| 176 | int32_t offset2, int32_t stride2) |
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| 177 | { |
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| 178 | create_buffer(client, resource, id, 0, fd, width, height, format, |
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| 179 | offset0, stride0, offset1, stride1, offset2, stride2); |
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| 180 | close(fd); |
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| 181 | } |
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| 182 | |||
| 183 | static void |
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| 184 | drm_authenticate(struct wl_client *client, |
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| 185 | struct wl_resource *resource, uint32_t id) |
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| 186 | { |
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| 187 | struct wl_drm *drm = resource->data; |
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| 188 | |||
| 189 | if (drm->callbacks->authenticate(drm->user_data, id) < 0) |
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| 190 | wl_resource_post_error(resource, |
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| 191 | WL_DRM_ERROR_AUTHENTICATE_FAIL, |
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| 192 | "authenicate failed"); |
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| 193 | else |
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| 194 | wl_resource_post_event(resource, WL_DRM_AUTHENTICATED); |
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| 195 | } |
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| 196 | |||
| 197 | const static struct wl_drm_interface drm_interface = { |
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| 198 | drm_authenticate, |
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| 199 | drm_create_buffer, |
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| 200 | drm_create_planar_buffer, |
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| 201 | drm_create_prime_buffer |
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| 202 | }; |
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| 203 | |||
| 204 | static void |
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| 205 | bind_drm(struct wl_client *client, void *data, uint32_t version, uint32_t id) |
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| 206 | { |
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| 207 | struct wl_drm *drm = data; |
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| 208 | struct wl_resource *resource; |
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| 209 | uint32_t capabilities; |
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| 210 | |||
| 211 | resource = wl_client_add_object(client, &wl_drm_interface, |
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| 212 | &drm_interface, id, data); |
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| 213 | wl_resource_post_event(resource, WL_DRM_DEVICE, drm->device_name); |
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| 214 | wl_resource_post_event(resource, WL_DRM_FORMAT, |
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| 215 | WL_DRM_FORMAT_ARGB8888); |
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| 216 | wl_resource_post_event(resource, WL_DRM_FORMAT, |
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| 217 | WL_DRM_FORMAT_XRGB8888); |
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| 218 | wl_resource_post_event(resource, WL_DRM_FORMAT, WL_DRM_FORMAT_YUV410); |
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| 219 | wl_resource_post_event(resource, WL_DRM_FORMAT, WL_DRM_FORMAT_YUV411); |
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| 220 | wl_resource_post_event(resource, WL_DRM_FORMAT, WL_DRM_FORMAT_YUV420); |
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| 221 | wl_resource_post_event(resource, WL_DRM_FORMAT, WL_DRM_FORMAT_YUV422); |
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| 222 | wl_resource_post_event(resource, WL_DRM_FORMAT, WL_DRM_FORMAT_YUV444); |
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| 223 | wl_resource_post_event(resource, WL_DRM_FORMAT, WL_DRM_FORMAT_NV12); |
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| 224 | wl_resource_post_event(resource, WL_DRM_FORMAT, WL_DRM_FORMAT_NV16); |
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| 225 | wl_resource_post_event(resource, WL_DRM_FORMAT, WL_DRM_FORMAT_YUYV); |
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| 226 | |||
| 227 | capabilities = 0; |
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| 228 | if (drm->flags & WAYLAND_DRM_PRIME) |
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| 229 | capabilities |= WL_DRM_CAPABILITY_PRIME; |
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| 230 | |||
| 231 | if (version >= 2) |
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| 232 | wl_resource_post_event(resource, WL_DRM_CAPABILITIES, capabilities); |
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| 233 | } |
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| 234 | |||
| 235 | struct wl_drm * |
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| 236 | wayland_drm_init(struct wl_display *display, char *device_name, |
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| 237 | struct wayland_drm_callbacks *callbacks, void *user_data, |
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| 238 | uint32_t flags) |
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| 239 | { |
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| 240 | struct wl_drm *drm; |
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| 241 | |||
| 242 | drm = malloc(sizeof *drm); |
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| 243 | |||
| 244 | drm->display = display; |
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| 245 | drm->device_name = strdup(device_name); |
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| 246 | drm->callbacks = callbacks; |
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| 247 | drm->user_data = user_data; |
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| 248 | drm->flags = flags; |
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| 249 | |||
| 250 | wl_display_add_global(display, &wl_drm_interface, drm, bind_drm); |
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| 251 | |||
| 252 | return drm; |
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| 253 | } |
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| 254 | |||
| 255 | void |
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| 256 | wayland_drm_uninit(struct wl_drm *drm) |
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| 257 | { |
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| 258 | free(drm->device_name); |
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| 259 | |||
| 260 | /* FIXME: need wl_display_del_{object,global} */ |
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| 261 | |||
| 262 | free(drm); |
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| 263 | } |
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| 264 | |||
| 265 | int |
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| 266 | wayland_buffer_is_drm(struct wl_buffer *buffer) |
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| 267 | { |
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| 268 | return buffer->resource.object.implementation == |
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| 269 | (void (**)(void)) &drm_buffer_interface; |
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| 270 | } |
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| 271 | |||
| 272 | uint32_t |
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| 273 | wayland_drm_buffer_get_format(struct wl_buffer *buffer_base) |
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| 274 | { |
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| 275 | struct wl_drm_buffer *buffer = (struct wl_drm_buffer *) buffer_base; |
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| 276 | |||
| 277 | return buffer->format; |
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| 278 | } |
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| 279 | |||
| 280 | void * |
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| 281 | wayland_drm_buffer_get_buffer(struct wl_buffer *buffer_base) |
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| 282 | { |
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| 283 | struct wl_drm_buffer *buffer = (struct wl_drm_buffer *) buffer_base; |
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| 284 | |||
| 285 | return buffer->driver_buffer; |
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| 286 | } |