2 * Copyright 2017 Advanced Micro Devices. All rights reserved.
3 * Use of this source code is governed by a BSD-style license that can be
4 * found in the LICENSE file.
28 } drm_to_dri_image_formats[] = {
29 { DRM_FORMAT_R8, __DRI_IMAGE_FORMAT_R8 },
30 { DRM_FORMAT_GR88, __DRI_IMAGE_FORMAT_GR88 },
31 { DRM_FORMAT_RGB565, __DRI_IMAGE_FORMAT_RGB565 },
32 { DRM_FORMAT_XRGB8888, __DRI_IMAGE_FORMAT_XRGB8888 },
33 { DRM_FORMAT_ARGB8888, __DRI_IMAGE_FORMAT_ARGB8888 },
34 { DRM_FORMAT_XBGR8888, __DRI_IMAGE_FORMAT_XBGR8888 },
35 { DRM_FORMAT_ABGR8888, __DRI_IMAGE_FORMAT_ABGR8888 },
36 { DRM_FORMAT_XRGB2101010, __DRI_IMAGE_FORMAT_XRGB2101010 },
37 { DRM_FORMAT_ARGB2101010, __DRI_IMAGE_FORMAT_ARGB2101010 },
40 static int drm_format_to_dri_format(uint32_t drm_format)
43 for (i = 0; i < ARRAY_SIZE(drm_to_dri_image_formats); i++) {
44 if (drm_to_dri_image_formats[i].drm_format == drm_format)
45 return drm_to_dri_image_formats[i].dri_image_format;
51 static bool lookup_extension(const __DRIextension *const *extensions, const char *name,
52 int min_version, const __DRIextension **dst)
55 if ((*extensions)->name && !strcmp((*extensions)->name, name) &&
56 (*extensions)->version >= min_version) {
70 static void close_gem_handle(uint32_t handle, int fd)
72 struct drm_gem_close gem_close;
75 memset(&gem_close, 0, sizeof(gem_close));
76 gem_close.handle = handle;
77 ret = drmIoctl(fd, DRM_IOCTL_GEM_CLOSE, &gem_close);
79 drv_log("DRM_IOCTL_GEM_CLOSE failed (handle=%x) error %d\n", handle, ret);
83 * The DRI GEM namespace may be different from the minigbm's driver GEM namespace. We have
84 * to import into minigbm.
86 static int import_into_minigbm(struct dri_driver *dri, struct bo *bo)
89 int ret, modifier_upper, modifier_lower, num_planes, i, j;
90 off_t dmabuf_sizes[DRV_MAX_PLANES];
91 __DRIimage *plane_image = NULL;
93 if (dri->image_extension->queryImage(bo->priv, __DRI_IMAGE_ATTRIB_MODIFIER_UPPER,
95 dri->image_extension->queryImage(bo->priv, __DRI_IMAGE_ATTRIB_MODIFIER_LOWER,
97 bo->meta.format_modifiers[0] =
98 ((uint64_t)modifier_upper << 32) | (uint32_t)modifier_lower;
100 bo->meta.format_modifiers[0] = DRM_FORMAT_MOD_INVALID;
103 if (!dri->image_extension->queryImage(bo->priv, __DRI_IMAGE_ATTRIB_NUM_PLANES,
108 bo->meta.num_planes = num_planes;
110 for (i = 0; i < num_planes; ++i) {
111 int prime_fd, stride, offset;
112 plane_image = dri->image_extension->fromPlanar(bo->priv, i, NULL);
113 __DRIimage *image = plane_image ? plane_image : bo->priv;
116 bo->meta.format_modifiers[i] = bo->meta.format_modifiers[0];
118 if (!dri->image_extension->queryImage(image, __DRI_IMAGE_ATTRIB_STRIDE, &stride) ||
119 !dri->image_extension->queryImage(image, __DRI_IMAGE_ATTRIB_OFFSET, &offset)) {
124 if (!dri->image_extension->queryImage(image, __DRI_IMAGE_ATTRIB_FD, &prime_fd)) {
129 dmabuf_sizes[i] = lseek(prime_fd, 0, SEEK_END);
130 if (dmabuf_sizes[i] == (off_t)-1) {
136 lseek(prime_fd, 0, SEEK_SET);
138 ret = drmPrimeFDToHandle(bo->drv->fd, prime_fd, &handle);
143 drv_log("drmPrimeFDToHandle failed with %s\n", strerror(errno));
147 bo->handles[i].u32 = handle;
149 bo->meta.strides[i] = stride;
150 bo->meta.offsets[i] = offset;
153 dri->image_extension->destroyImage(plane_image);
156 for (i = 0; i < num_planes; ++i) {
157 off_t next_plane = dmabuf_sizes[i];
158 for (j = 0; j < num_planes; ++j) {
159 if (bo->meta.offsets[j] < next_plane &&
160 bo->meta.offsets[j] > bo->meta.offsets[i] &&
161 bo->handles[j].u32 == bo->handles[i].u32)
162 next_plane = bo->meta.offsets[j];
165 bo->meta.sizes[i] = next_plane - bo->meta.offsets[i];
167 /* This is kind of misleading if different planes use
168 different dmabufs. */
169 bo->meta.total_size += bo->meta.sizes[i];
176 dri->image_extension->destroyImage(plane_image);
178 for (j = 0; j <= i; ++j)
179 if (bo->handles[j].u32 == bo->handles[i].u32)
182 /* Multiple equivalent handles) */
186 /* This kind of goes horribly wrong when we already imported
187 * the same handles earlier, as we should really reference
189 close_gem_handle(bo->handles[i].u32, bo->drv->fd);
195 * The caller is responsible for setting drv->priv to a structure that derives from dri_driver.
197 int dri_init(struct driver *drv, const char *dri_so_path, const char *driver_suffix)
200 const __DRIextension **(*get_extensions)();
201 const __DRIextension *loader_extensions[] = { NULL };
203 struct dri_driver *dri = drv->priv;
205 dri->fd = open(drmGetRenderDeviceNameFromFd(drv_get_fd(drv)), O_RDWR);
209 dri->driver_handle = dlopen(dri_so_path, RTLD_NOW | RTLD_GLOBAL);
210 if (!dri->driver_handle)
213 snprintf(fname, sizeof(fname), __DRI_DRIVER_GET_EXTENSIONS "_%s", driver_suffix);
214 get_extensions = dlsym(dri->driver_handle, fname);
218 dri->extensions = get_extensions();
219 if (!dri->extensions)
222 if (!lookup_extension(dri->extensions, __DRI_CORE, 2,
223 (const __DRIextension **)&dri->core_extension))
226 /* Version 4 for createNewScreen2 */
227 if (!lookup_extension(dri->extensions, __DRI_DRI2, 4,
228 (const __DRIextension **)&dri->dri2_extension))
231 dri->device = dri->dri2_extension->createNewScreen2(0, dri->fd, loader_extensions,
232 dri->extensions, &dri->configs, NULL);
237 dri->dri2_extension->createNewContext(dri->device, *dri->configs, NULL, NULL);
242 if (!lookup_extension(dri->core_extension->getExtensions(dri->device), __DRI_IMAGE, 12,
243 (const __DRIextension **)&dri->image_extension))
246 if (!lookup_extension(dri->core_extension->getExtensions(dri->device), __DRI2_FLUSH, 4,
247 (const __DRIextension **)&dri->flush_extension))
253 dri->core_extension->destroyContext(dri->context);
255 dri->core_extension->destroyScreen(dri->device);
257 dlclose(dri->driver_handle);
258 dri->driver_handle = NULL;
265 * The caller is responsible for freeing drv->priv.
267 void dri_close(struct driver *drv)
269 struct dri_driver *dri = drv->priv;
271 dri->core_extension->destroyContext(dri->context);
272 dri->core_extension->destroyScreen(dri->device);
273 dlclose(dri->driver_handle);
274 dri->driver_handle = NULL;
278 int dri_bo_create(struct bo *bo, uint32_t width, uint32_t height, uint32_t format,
281 unsigned int dri_use;
283 struct dri_driver *dri = bo->drv->priv;
285 dri_format = drm_format_to_dri_format(format);
287 /* Gallium drivers require shared to get the handle and stride. */
288 dri_use = __DRI_IMAGE_USE_SHARE;
289 if (use_flags & BO_USE_SCANOUT)
290 dri_use |= __DRI_IMAGE_USE_SCANOUT;
291 if (use_flags & BO_USE_CURSOR)
292 dri_use |= __DRI_IMAGE_USE_CURSOR;
293 if (use_flags & BO_USE_LINEAR)
294 dri_use |= __DRI_IMAGE_USE_LINEAR;
296 bo->priv = dri->image_extension->createImage(dri->device, width, height, dri_format,
303 ret = import_into_minigbm(dri, bo);
310 dri->image_extension->destroyImage(bo->priv);
314 int dri_bo_create_with_modifiers(struct bo *bo, uint32_t width, uint32_t height, uint32_t format,
315 const uint64_t *modifiers, uint32_t modifier_count)
318 struct dri_driver *dri = bo->drv->priv;
320 if (!dri->image_extension->createImageWithModifiers) {
324 dri_format = drm_format_to_dri_format(format);
326 bo->priv = dri->image_extension->createImageWithModifiers(
327 dri->device, width, height, dri_format, modifiers, modifier_count, NULL);
333 ret = import_into_minigbm(dri, bo);
340 dri->image_extension->destroyImage(bo->priv);
344 int dri_bo_import(struct bo *bo, struct drv_import_fd_data *data)
347 struct dri_driver *dri = bo->drv->priv;
349 if (data->format_modifiers[0] != DRM_FORMAT_MOD_INVALID) {
352 if (!dri->image_extension->createImageFromDmaBufs2)
356 bo->priv = dri->image_extension->createImageFromDmaBufs2(dri->device, data->width, data->height,
358 data->format_modifiers[0],
361 (int *)data->strides,
362 (int *)data->offsets,
363 __DRI_YUV_COLOR_SPACE_UNDEFINED,
364 __DRI_YUV_RANGE_UNDEFINED,
365 __DRI_YUV_CHROMA_SITING_UNDEFINED,
366 __DRI_YUV_CHROMA_SITING_UNDEFINED,
370 /* Could translate the DRI error, but the Mesa GBM also returns ENOSYS. */
375 bo->priv = dri->image_extension->createImageFromFds(dri->device, data->width, data->height,
376 data->format, data->fds,
378 (int *)data->strides,
379 (int *)data->offsets, NULL);
385 ret = import_into_minigbm(dri, bo);
387 dri->image_extension->destroyImage(bo->priv);
394 int dri_bo_destroy(struct bo *bo)
396 struct dri_driver *dri = bo->drv->priv;
399 close_gem_handle(bo->handles[0].u32, bo->drv->fd);
400 dri->image_extension->destroyImage(bo->priv);
406 * Map an image plane.
408 * This relies on the underlying driver to do a decompressing and/or de-tiling
411 * This function itself is not thread-safe; we rely on the fact that the caller
412 * locks a per-driver mutex.
414 void *dri_bo_map(struct bo *bo, struct vma *vma, size_t plane, uint32_t map_flags)
416 struct dri_driver *dri = bo->drv->priv;
418 /* GBM flags and DRI flags are the same. */
419 vma->addr = dri->image_extension->mapImage(dri->context, bo->priv, 0, 0, bo->meta.width,
420 bo->meta.height, map_flags,
421 (int *)&vma->map_strides[plane], &vma->priv);
428 int dri_bo_unmap(struct bo *bo, struct vma *vma)
430 struct dri_driver *dri = bo->drv->priv;
433 dri->image_extension->unmapImage(dri->context, bo->priv, vma->priv);
436 * From gbm_dri.c in Mesa:
438 * "Not all DRI drivers use direct maps. They may queue up DMA operations
439 * on the mapping context. Since there is no explicit gbm flush mechanism,
440 * we need to flush here."
443 dri->flush_extension->flush_with_flags(dri->context, NULL, __DRI2_FLUSH_CONTEXT, 0);
447 size_t dri_num_planes_from_modifier(struct driver *drv, uint32_t format, uint64_t modifier)
449 struct dri_driver *dri = drv->priv;
450 if (!dri->image_extension->queryDmaBufFormatModifierAttribs) {
451 /* We do not do any modifier checks here. The create will fail
452 * later if the modifier is not supported. */
453 return drv_num_planes_from_format(format);
457 GLboolean ret = dri->image_extension->queryDmaBufFormatModifierAttribs(
458 dri->device, format, modifier, __DRI_IMAGE_ATTRIB_NUM_PLANES, &planes);