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-rw-r--r--src/freedreno/vulkan/tu_device.c63
-rw-r--r--src/freedreno/vulkan/tu_extensions.py2
2 files changed, 64 insertions, 1 deletions
diff --git a/src/freedreno/vulkan/tu_device.c b/src/freedreno/vulkan/tu_device.c
index c728f397d5d..b8f29394c8f 100644
--- a/src/freedreno/vulkan/tu_device.c
+++ b/src/freedreno/vulkan/tu_device.c
@@ -1390,7 +1390,33 @@ tu_alloc_memory(struct tu_device *device,
if (mem == NULL)
return vk_error(device->instance, VK_ERROR_OUT_OF_HOST_MEMORY);
- result = tu_bo_init_new(device, &mem->bo, pAllocateInfo->allocationSize);
+ const VkImportMemoryFdInfoKHR *fd_info =
+ vk_find_struct_const(pAllocateInfo->pNext, IMPORT_MEMORY_FD_INFO_KHR);
+ if (fd_info && !fd_info->handleType)
+ fd_info = NULL;
+
+ if (fd_info) {
+ assert(fd_info->handleType ==
+ VK_EXTERNAL_MEMORY_HANDLE_TYPE_OPAQUE_FD_BIT ||
+ fd_info->handleType ==
+ VK_EXTERNAL_MEMORY_HANDLE_TYPE_DMA_BUF_BIT_EXT);
+
+ /*
+ * TODO Importing the same fd twice gives us the same handle without
+ * reference counting. We need to maintain a per-instance handle-to-bo
+ * table and add reference count to tu_bo.
+ */
+ result = tu_bo_init_dmabuf(device, &mem->bo,
+ pAllocateInfo->allocationSize, fd_info->fd);
+ if (result == VK_SUCCESS) {
+ /* take ownership and close the fd */
+ close(fd_info->fd);
+ }
+ } else {
+ result =
+ tu_bo_init_new(device, &mem->bo, pAllocateInfo->allocationSize);
+ }
+
if (result != VK_SUCCESS) {
vk_free2(&device->alloc, pAllocator, mem);
return result;
@@ -1964,6 +1990,41 @@ vk_icdNegotiateLoaderICDInterfaceVersion(uint32_t *pSupportedVersion)
return VK_SUCCESS;
}
+VkResult
+tu_GetMemoryFdKHR(VkDevice _device,
+ const VkMemoryGetFdInfoKHR *pGetFdInfo,
+ int *pFd)
+{
+ TU_FROM_HANDLE(tu_device, device, _device);
+ TU_FROM_HANDLE(tu_device_memory, memory, pGetFdInfo->memory);
+
+ assert(pGetFdInfo->sType == VK_STRUCTURE_TYPE_MEMORY_GET_FD_INFO_KHR);
+
+ /* At the moment, we support only the below handle types. */
+ assert(pGetFdInfo->handleType ==
+ VK_EXTERNAL_MEMORY_HANDLE_TYPE_OPAQUE_FD_BIT ||
+ pGetFdInfo->handleType ==
+ VK_EXTERNAL_MEMORY_HANDLE_TYPE_DMA_BUF_BIT_EXT);
+
+ int prime_fd = tu_bo_export_dmabuf(device, &memory->bo);
+ if (prime_fd < 0)
+ return vk_error(device->instance, VK_ERROR_OUT_OF_DEVICE_MEMORY);
+
+ *pFd = prime_fd;
+ return VK_SUCCESS;
+}
+
+VkResult
+tu_GetMemoryFdPropertiesKHR(VkDevice _device,
+ VkExternalMemoryHandleTypeFlagBits handleType,
+ int fd,
+ VkMemoryFdPropertiesKHR *pMemoryFdProperties)
+{
+ assert(handleType == VK_EXTERNAL_MEMORY_HANDLE_TYPE_DMA_BUF_BIT_EXT);
+ pMemoryFdProperties->memoryTypeBits = 1;
+ return VK_SUCCESS;
+}
+
void
tu_GetPhysicalDeviceExternalSemaphoreProperties(
VkPhysicalDevice physicalDevice,
diff --git a/src/freedreno/vulkan/tu_extensions.py b/src/freedreno/vulkan/tu_extensions.py
index 53e69690280..0a45b859e2b 100644
--- a/src/freedreno/vulkan/tu_extensions.py
+++ b/src/freedreno/vulkan/tu_extensions.py
@@ -73,6 +73,8 @@ EXTENSIONS = [
Extension('VK_EXT_debug_report', 9, True),
Extension('VK_KHR_external_memory_capabilities', 1, True),
Extension('VK_KHR_external_memory', 1, True),
+ Extension('VK_KHR_external_memory_fd', 1, True),
+ Extension('VK_EXT_external_memory_dma_buf', 1, True),
]
class VkVersion: