Dongwon Kim | 6e6ae49 | 2024-05-08 10:53:59 -0700 | [diff] [blame] | 1 | /* |
| 2 | * SPDX-License-Identifier: GPL-2.0-or-later |
| 3 | * |
| 4 | * QemuDmaBuf struct and helpers used for accessing its data |
| 5 | * |
| 6 | * This work is licensed under the terms of the GNU GPL, version 2 or later. |
| 7 | * See the COPYING file in the top-level directory. |
| 8 | */ |
| 9 | |
| 10 | #include "qemu/osdep.h" |
| 11 | #include "ui/dmabuf.h" |
| 12 | |
Dongwon Kim | db81dd6 | 2024-05-08 10:54:03 -0700 | [diff] [blame] | 13 | struct QemuDmaBuf { |
| 14 | int fd; |
| 15 | uint32_t width; |
| 16 | uint32_t height; |
| 17 | uint32_t stride; |
| 18 | uint32_t fourcc; |
| 19 | uint64_t modifier; |
| 20 | uint32_t texture; |
| 21 | uint32_t x; |
| 22 | uint32_t y; |
| 23 | uint32_t backing_width; |
| 24 | uint32_t backing_height; |
| 25 | bool y0_top; |
| 26 | void *sync; |
| 27 | int fence_fd; |
| 28 | bool allow_fences; |
| 29 | bool draw_submitted; |
| 30 | }; |
| 31 | |
Dongwon Kim | 6e6ae49 | 2024-05-08 10:53:59 -0700 | [diff] [blame] | 32 | QemuDmaBuf *qemu_dmabuf_new(uint32_t width, uint32_t height, |
| 33 | uint32_t stride, uint32_t x, |
| 34 | uint32_t y, uint32_t backing_width, |
| 35 | uint32_t backing_height, uint32_t fourcc, |
| 36 | uint64_t modifier, int32_t dmabuf_fd, |
| 37 | bool allow_fences, bool y0_top) { |
| 38 | QemuDmaBuf *dmabuf; |
| 39 | |
| 40 | dmabuf = g_new0(QemuDmaBuf, 1); |
| 41 | |
| 42 | dmabuf->width = width; |
| 43 | dmabuf->height = height; |
| 44 | dmabuf->stride = stride; |
| 45 | dmabuf->x = x; |
| 46 | dmabuf->y = y; |
| 47 | dmabuf->backing_width = backing_width; |
| 48 | dmabuf->backing_height = backing_height; |
| 49 | dmabuf->fourcc = fourcc; |
| 50 | dmabuf->modifier = modifier; |
| 51 | dmabuf->fd = dmabuf_fd; |
| 52 | dmabuf->allow_fences = allow_fences; |
| 53 | dmabuf->y0_top = y0_top; |
| 54 | dmabuf->fence_fd = -1; |
| 55 | |
| 56 | return dmabuf; |
| 57 | } |
| 58 | |
| 59 | void qemu_dmabuf_free(QemuDmaBuf *dmabuf) |
| 60 | { |
| 61 | if (dmabuf == NULL) { |
| 62 | return; |
| 63 | } |
| 64 | |
| 65 | g_free(dmabuf); |
| 66 | } |
| 67 | |
| 68 | int qemu_dmabuf_get_fd(QemuDmaBuf *dmabuf) |
| 69 | { |
| 70 | assert(dmabuf != NULL); |
| 71 | |
| 72 | return dmabuf->fd; |
| 73 | } |
| 74 | |
| 75 | int qemu_dmabuf_dup_fd(QemuDmaBuf *dmabuf) |
| 76 | { |
| 77 | assert(dmabuf != NULL); |
| 78 | |
| 79 | if (dmabuf->fd >= 0) { |
| 80 | return dup(dmabuf->fd); |
| 81 | } else { |
| 82 | return -1; |
| 83 | } |
| 84 | } |
| 85 | |
| 86 | void qemu_dmabuf_close(QemuDmaBuf *dmabuf) |
| 87 | { |
| 88 | assert(dmabuf != NULL); |
| 89 | |
| 90 | if (dmabuf->fd >= 0) { |
| 91 | close(dmabuf->fd); |
| 92 | dmabuf->fd = -1; |
| 93 | } |
| 94 | } |
| 95 | |
| 96 | uint32_t qemu_dmabuf_get_width(QemuDmaBuf *dmabuf) |
| 97 | { |
| 98 | assert(dmabuf != NULL); |
| 99 | |
| 100 | return dmabuf->width; |
| 101 | } |
| 102 | |
| 103 | uint32_t qemu_dmabuf_get_height(QemuDmaBuf *dmabuf) |
| 104 | { |
| 105 | assert(dmabuf != NULL); |
| 106 | |
| 107 | return dmabuf->height; |
| 108 | } |
| 109 | |
| 110 | uint32_t qemu_dmabuf_get_stride(QemuDmaBuf *dmabuf) |
| 111 | { |
| 112 | assert(dmabuf != NULL); |
| 113 | |
| 114 | return dmabuf->stride; |
| 115 | } |
| 116 | |
| 117 | uint32_t qemu_dmabuf_get_fourcc(QemuDmaBuf *dmabuf) |
| 118 | { |
| 119 | assert(dmabuf != NULL); |
| 120 | |
| 121 | return dmabuf->fourcc; |
| 122 | } |
| 123 | |
| 124 | uint64_t qemu_dmabuf_get_modifier(QemuDmaBuf *dmabuf) |
| 125 | { |
| 126 | assert(dmabuf != NULL); |
| 127 | |
| 128 | return dmabuf->modifier; |
| 129 | } |
| 130 | |
| 131 | uint32_t qemu_dmabuf_get_texture(QemuDmaBuf *dmabuf) |
| 132 | { |
| 133 | assert(dmabuf != NULL); |
| 134 | |
| 135 | return dmabuf->texture; |
| 136 | } |
| 137 | |
| 138 | uint32_t qemu_dmabuf_get_x(QemuDmaBuf *dmabuf) |
| 139 | { |
| 140 | assert(dmabuf != NULL); |
| 141 | |
| 142 | return dmabuf->x; |
| 143 | } |
| 144 | |
| 145 | uint32_t qemu_dmabuf_get_y(QemuDmaBuf *dmabuf) |
| 146 | { |
| 147 | assert(dmabuf != NULL); |
| 148 | |
| 149 | return dmabuf->y; |
| 150 | } |
| 151 | |
| 152 | uint32_t qemu_dmabuf_get_backing_width(QemuDmaBuf *dmabuf) |
| 153 | { |
| 154 | assert(dmabuf != NULL); |
| 155 | |
| 156 | return dmabuf->backing_width; |
| 157 | } |
| 158 | |
| 159 | uint32_t qemu_dmabuf_get_backing_height(QemuDmaBuf *dmabuf) |
| 160 | { |
| 161 | assert(dmabuf != NULL); |
| 162 | |
| 163 | return dmabuf->backing_height; |
| 164 | } |
| 165 | |
| 166 | bool qemu_dmabuf_get_y0_top(QemuDmaBuf *dmabuf) |
| 167 | { |
| 168 | assert(dmabuf != NULL); |
| 169 | |
| 170 | return dmabuf->y0_top; |
| 171 | } |
| 172 | |
| 173 | void *qemu_dmabuf_get_sync(QemuDmaBuf *dmabuf) |
| 174 | { |
| 175 | assert(dmabuf != NULL); |
| 176 | |
| 177 | return dmabuf->sync; |
| 178 | } |
| 179 | |
| 180 | int32_t qemu_dmabuf_get_fence_fd(QemuDmaBuf *dmabuf) |
| 181 | { |
| 182 | assert(dmabuf != NULL); |
| 183 | |
| 184 | return dmabuf->fence_fd; |
| 185 | } |
| 186 | |
| 187 | bool qemu_dmabuf_get_allow_fences(QemuDmaBuf *dmabuf) |
| 188 | { |
| 189 | assert(dmabuf != NULL); |
| 190 | |
| 191 | return dmabuf->allow_fences; |
| 192 | } |
| 193 | |
| 194 | bool qemu_dmabuf_get_draw_submitted(QemuDmaBuf *dmabuf) |
| 195 | { |
| 196 | assert(dmabuf != NULL); |
| 197 | |
| 198 | return dmabuf->draw_submitted; |
| 199 | } |
| 200 | |
| 201 | void qemu_dmabuf_set_texture(QemuDmaBuf *dmabuf, uint32_t texture) |
| 202 | { |
| 203 | assert(dmabuf != NULL); |
| 204 | dmabuf->texture = texture; |
| 205 | } |
| 206 | |
| 207 | void qemu_dmabuf_set_fence_fd(QemuDmaBuf *dmabuf, int32_t fence_fd) |
| 208 | { |
| 209 | assert(dmabuf != NULL); |
| 210 | dmabuf->fence_fd = fence_fd; |
| 211 | } |
| 212 | |
| 213 | void qemu_dmabuf_set_sync(QemuDmaBuf *dmabuf, void *sync) |
| 214 | { |
| 215 | assert(dmabuf != NULL); |
| 216 | dmabuf->sync = sync; |
| 217 | } |
| 218 | |
| 219 | void qemu_dmabuf_set_draw_submitted(QemuDmaBuf *dmabuf, bool draw_submitted) |
| 220 | { |
| 221 | assert(dmabuf != NULL); |
| 222 | dmabuf->draw_submitted = draw_submitted; |
| 223 | } |
| 224 | |
| 225 | void qemu_dmabuf_set_fd(QemuDmaBuf *dmabuf, int32_t fd) |
| 226 | { |
| 227 | assert(dmabuf != NULL); |
| 228 | dmabuf->fd = fd; |
| 229 | } |