#include <assert.h>
#include <dlfcn.h>
#include <errno.h>
+#include <fcntl.h>
#include <stdbool.h>
#include <stdio.h>
#include <string.h>
}
/*
+ * Close Gem Handle
+ */
+static void close_gem_handle(uint32_t handle, int fd)
+{
+ struct drm_gem_close gem_close;
+ int ret = 0;
+
+ memset(&gem_close, 0, sizeof(gem_close));
+ gem_close.handle = handle;
+ ret = drmIoctl(fd, DRM_IOCTL_GEM_CLOSE, &gem_close);
+ if (ret)
+ drv_log("DRM_IOCTL_GEM_CLOSE failed (handle=%x) error %d\n", handle, ret);
+}
+
+/*
* The DRI GEM namespace may be different from the minigbm's driver GEM namespace. We have
* to import into minigbm.
*/
static int import_into_minigbm(struct dri_driver *dri, struct bo *bo)
{
uint32_t handle;
- int prime_fd, ret;
+ int ret, modifier_upper, modifier_lower, num_planes, i, j;
+ off_t dmabuf_sizes[DRV_MAX_PLANES];
+ __DRIimage *plane_image = NULL;
+
+ if (dri->image_extension->queryImage(bo->priv, __DRI_IMAGE_ATTRIB_MODIFIER_UPPER,
+ &modifier_upper) &&
+ dri->image_extension->queryImage(bo->priv, __DRI_IMAGE_ATTRIB_MODIFIER_LOWER,
+ &modifier_lower)) {
+ bo->meta.format_modifiers[0] =
+ ((uint64_t)modifier_upper << 32) | (uint32_t)modifier_lower;
+ } else {
+ bo->meta.format_modifiers[0] = DRM_FORMAT_MOD_INVALID;
+ }
- if (!dri->image_extension->queryImage(bo->priv, __DRI_IMAGE_ATTRIB_FD, &prime_fd))
+ if (!dri->image_extension->queryImage(bo->priv, __DRI_IMAGE_ATTRIB_NUM_PLANES,
+ &num_planes)) {
return -errno;
+ }
- ret = drmPrimeFDToHandle(bo->drv->fd, prime_fd, &handle);
- if (ret) {
- drv_log("drmPrimeFDToHandle failed with %s\n", strerror(errno));
- return ret;
+ bo->meta.num_planes = num_planes;
+
+ for (i = 0; i < num_planes; ++i) {
+ int prime_fd, stride, offset;
+ plane_image = dri->image_extension->fromPlanar(bo->priv, i, NULL);
+ __DRIimage *image = plane_image ? plane_image : bo->priv;
+
+ if (i)
+ bo->meta.format_modifiers[i] = bo->meta.format_modifiers[0];
+
+ if (!dri->image_extension->queryImage(image, __DRI_IMAGE_ATTRIB_STRIDE, &stride) ||
+ !dri->image_extension->queryImage(image, __DRI_IMAGE_ATTRIB_OFFSET, &offset)) {
+ ret = -errno;
+ goto cleanup;
+ }
+
+ if (!dri->image_extension->queryImage(image, __DRI_IMAGE_ATTRIB_FD, &prime_fd)) {
+ ret = -errno;
+ goto cleanup;
+ }
+
+ dmabuf_sizes[i] = lseek(prime_fd, 0, SEEK_END);
+ if (dmabuf_sizes[i] == (off_t)-1) {
+ ret = -errno;
+ close(prime_fd);
+ goto cleanup;
+ }
+
+ lseek(prime_fd, 0, SEEK_SET);
+
+ ret = drmPrimeFDToHandle(bo->drv->fd, prime_fd, &handle);
+
+ close(prime_fd);
+
+ if (ret) {
+ drv_log("drmPrimeFDToHandle failed with %s\n", strerror(errno));
+ goto cleanup;
+ }
+
+ bo->handles[i].u32 = handle;
+
+ bo->meta.strides[i] = stride;
+ bo->meta.offsets[i] = offset;
+
+ if (plane_image)
+ dri->image_extension->destroyImage(plane_image);
+ }
+
+ for (i = 0; i < num_planes; ++i) {
+ off_t next_plane = dmabuf_sizes[i];
+ for (j = 0; j < num_planes; ++j) {
+ if (bo->meta.offsets[j] < next_plane &&
+ bo->meta.offsets[j] > bo->meta.offsets[i] &&
+ bo->handles[j].u32 == bo->handles[i].u32)
+ next_plane = bo->meta.offsets[j];
+ }
+
+ bo->meta.sizes[i] = next_plane - bo->meta.offsets[i];
+
+ /* This is kind of misleading if different planes use
+ different dmabufs. */
+ bo->meta.total_size += bo->meta.sizes[i];
}
- bo->handles[0].u32 = handle;
- close(prime_fd);
return 0;
+
+cleanup:
+ if (plane_image)
+ dri->image_extension->destroyImage(plane_image);
+ while (--i >= 0) {
+ for (j = 0; j <= i; ++j)
+ if (bo->handles[j].u32 == bo->handles[i].u32)
+ break;
+
+ /* Multiple equivalent handles) */
+ if (i == j)
+ break;
+
+ /* This kind of goes horribly wrong when we already imported
+ * the same handles earlier, as we should really reference
+ * count handles. */
+ close_gem_handle(bo->handles[i].u32, bo->drv->fd);
+ }
+ return ret;
}
/*
const __DRIextension *loader_extensions[] = { NULL };
struct dri_driver *dri = drv->priv;
+
+ dri->fd = open(drmGetRenderDeviceNameFromFd(drv_get_fd(drv)), O_RDWR);
+ if (dri->fd < 0)
+ return -ENODEV;
+
dri->driver_handle = dlopen(dri_so_path, RTLD_NOW | RTLD_GLOBAL);
if (!dri->driver_handle)
- return -ENODEV;
+ goto close_dri_fd;
snprintf(fname, sizeof(fname), __DRI_DRIVER_GET_EXTENSIONS "_%s", driver_suffix);
get_extensions = dlsym(dri->driver_handle, fname);
(const __DRIextension **)&dri->dri2_extension))
goto free_handle;
- dri->device = dri->dri2_extension->createNewScreen2(0, drv_get_fd(drv), loader_extensions,
+ dri->device = dri->dri2_extension->createNewScreen2(0, dri->fd, loader_extensions,
dri->extensions, &dri->configs, NULL);
if (!dri->device)
goto free_handle;
free_handle:
dlclose(dri->driver_handle);
dri->driver_handle = NULL;
+close_dri_fd:
+ close(dri->fd);
return -ENODEV;
}
dri->core_extension->destroyScreen(dri->device);
dlclose(dri->driver_handle);
dri->driver_handle = NULL;
+ close(dri->fd);
}
int dri_bo_create(struct bo *bo, uint32_t width, uint32_t height, uint32_t format,
uint64_t use_flags)
{
unsigned int dri_use;
- int ret, dri_format, stride, offset;
+ int ret, dri_format;
struct dri_driver *dri = bo->drv->priv;
- assert(bo->num_planes == 1);
dri_format = drm_format_to_dri_format(format);
/* Gallium drivers require shared to get the handle and stride. */
if (ret)
goto free_image;
- if (!dri->image_extension->queryImage(bo->priv, __DRI_IMAGE_ATTRIB_STRIDE, &stride)) {
- ret = -errno;
- goto free_image;
+ return 0;
+
+free_image:
+ dri->image_extension->destroyImage(bo->priv);
+ return ret;
+}
+
+int dri_bo_create_with_modifiers(struct bo *bo, uint32_t width, uint32_t height, uint32_t format,
+ const uint64_t *modifiers, uint32_t modifier_count)
+{
+ int ret, dri_format;
+ struct dri_driver *dri = bo->drv->priv;
+
+ if (!dri->image_extension->createImageWithModifiers) {
+ return -ENOENT;
}
- if (!dri->image_extension->queryImage(bo->priv, __DRI_IMAGE_ATTRIB_OFFSET, &offset)) {
+ dri_format = drm_format_to_dri_format(format);
+
+ bo->priv = dri->image_extension->createImageWithModifiers(
+ dri->device, width, height, dri_format, modifiers, modifier_count, NULL);
+ if (!bo->priv) {
ret = -errno;
- goto free_image;
+ return ret;
}
- bo->strides[0] = stride;
- bo->sizes[0] = stride * height;
- bo->offsets[0] = offset;
- bo->total_size = offset + bo->sizes[0];
+ ret = import_into_minigbm(dri, bo);
+ if (ret)
+ goto free_image;
+
return 0;
free_image:
int ret;
struct dri_driver *dri = bo->drv->priv;
- assert(bo->num_planes == 1);
-
- // clang-format off
- bo->priv = dri->image_extension->createImageFromFds(dri->device, data->width, data->height,
- data->format, data->fds, bo->num_planes,
- (int *)data->strides,
- (int *)data->offsets, NULL);
- // clang-format on
- if (!bo->priv)
- return -errno;
+ if (data->format_modifiers[0] != DRM_FORMAT_MOD_INVALID) {
+ unsigned error;
+
+ if (!dri->image_extension->createImageFromDmaBufs2)
+ return -ENOSYS;
+
+ // clang-format off
+ bo->priv = dri->image_extension->createImageFromDmaBufs2(dri->device, data->width, data->height,
+ data->format,
+ data->format_modifiers[0],
+ data->fds,
+ bo->meta.num_planes,
+ (int *)data->strides,
+ (int *)data->offsets,
+ __DRI_YUV_COLOR_SPACE_UNDEFINED,
+ __DRI_YUV_RANGE_UNDEFINED,
+ __DRI_YUV_CHROMA_SITING_UNDEFINED,
+ __DRI_YUV_CHROMA_SITING_UNDEFINED,
+ &error, NULL);
+ // clang-format on
+
+ /* Could translate the DRI error, but the Mesa GBM also returns ENOSYS. */
+ if (!bo->priv)
+ return -ENOSYS;
+ } else {
+ // clang-format off
+ bo->priv = dri->image_extension->createImageFromFds(dri->device, data->width, data->height,
+ data->format, data->fds,
+ bo->meta.num_planes,
+ (int *)data->strides,
+ (int *)data->offsets, NULL);
+ // clang-format on
+ if (!bo->priv)
+ return -errno;
+ }
ret = import_into_minigbm(dri, bo);
if (ret) {
struct dri_driver *dri = bo->drv->priv;
assert(bo->priv);
+ close_gem_handle(bo->handles[0].u32, bo->drv->fd);
dri->image_extension->destroyImage(bo->priv);
bo->priv = NULL;
return 0;
void *dri_bo_map(struct bo *bo, struct vma *vma, size_t plane, uint32_t map_flags)
{
struct dri_driver *dri = bo->drv->priv;
- int stride;
/* GBM flags and DRI flags are the same. */
- vma->addr = dri->image_extension->mapImage(dri->context, bo->priv, 0, 0, bo->width,
- bo->height, map_flags, &stride, &vma->priv);
+ vma->addr = dri->image_extension->mapImage(dri->context, bo->priv, 0, 0, bo->meta.width,
+ bo->meta.height, map_flags,
+ (int *)&vma->map_strides[plane], &vma->priv);
if (!vma->addr)
return MAP_FAILED;
return 0;
}
+size_t dri_num_planes_from_modifier(struct driver *drv, uint32_t format, uint64_t modifier)
+{
+ struct dri_driver *dri = drv->priv;
+ if (!dri->image_extension->queryDmaBufFormatModifierAttribs) {
+ /* We do not do any modifier checks here. The create will fail
+ * later if the modifier is not supported. */
+ return drv_num_planes_from_format(format);
+ }
+
+ uint64_t planes;
+ GLboolean ret = dri->image_extension->queryDmaBufFormatModifierAttribs(
+ dri->device, format, modifier, __DRI_IMAGE_ATTRIB_NUM_PLANES, &planes);
+ if (!ret)
+ return 0;
+
+ return planes;
+}
+
#endif