From 49c59c88eb725cba113ea51307ba66223e411e9a Mon Sep 17 00:00:00 2001 From: Jason Ekstrand Date: Tue, 8 Aug 2017 12:25:38 -0700 Subject: [PATCH] anv: Implement VK_KHR_external_fence Reviewed-by: Lionel Landwerlin --- src/intel/vulkan/anv_batch_chain.c | 19 +++- src/intel/vulkan/anv_extensions.py | 5 + src/intel/vulkan/anv_queue.c | 142 ++++++++++++++++++++++++++++- 3 files changed, 161 insertions(+), 5 deletions(-) diff --git a/src/intel/vulkan/anv_batch_chain.c b/src/intel/vulkan/anv_batch_chain.c index 52c45104b22..4f5137c2ecf 100644 --- a/src/intel/vulkan/anv_batch_chain.c +++ b/src/intel/vulkan/anv_batch_chain.c @@ -1549,8 +1549,20 @@ anv_cmd_buffer_execbuf(struct anv_device *device, } if (fence) { - assert(fence->temporary.type == ANV_FENCE_TYPE_NONE); - struct anv_fence_impl *impl = &fence->permanent; + /* Under most circumstances, out fences won't be temporary. However, + * the spec does allow it for opaque_fd. From the Vulkan 1.0.53 spec: + * + * "If the import is temporary, the implementation must restore the + * semaphore to its prior permanent state after submitting the next + * semaphore wait operation." + * + * The spec says nothing whatsoever about signal operations on + * temporarily imported semaphores so it appears they are allowed. + * There are also CTS tests that require this to work. + */ + struct anv_fence_impl *impl = + fence->temporary.type != ANV_FENCE_TYPE_NONE ? + &fence->temporary : &fence->permanent; switch (impl->type) { case ANV_FENCE_TYPE_BO: @@ -1617,6 +1629,9 @@ anv_cmd_buffer_execbuf(struct anv_device *device, } if (fence && fence->permanent.type == ANV_FENCE_TYPE_BO) { + /* BO fences can't be shared, so they can't be temporary. */ + assert(fence->temporary.type == ANV_FENCE_TYPE_NONE); + /* Once the execbuf has returned, we need to set the fence state to * SUBMITTED. We can't do this before calling execbuf because * anv_GetFenceStatus does take the global device lock before checking diff --git a/src/intel/vulkan/anv_extensions.py b/src/intel/vulkan/anv_extensions.py index 3252e0fc567..6b3d72e4b4c 100644 --- a/src/intel/vulkan/anv_extensions.py +++ b/src/intel/vulkan/anv_extensions.py @@ -47,6 +47,11 @@ class Extension: EXTENSIONS = [ Extension('VK_KHR_dedicated_allocation', 1, True), Extension('VK_KHR_descriptor_update_template', 1, True), + Extension('VK_KHR_external_fence', 1, + 'device->has_syncobj_wait'), + Extension('VK_KHR_external_fence_capabilities', 1, True), + Extension('VK_KHR_external_fence_fd', 1, + 'device->has_syncobj_wait'), Extension('VK_KHR_external_memory', 1, True), Extension('VK_KHR_external_memory_capabilities', 1, True), Extension('VK_KHR_external_memory_fd', 1, True), diff --git a/src/intel/vulkan/anv_queue.c b/src/intel/vulkan/anv_queue.c index 1c0de527fca..a954f65f1d7 100644 --- a/src/intel/vulkan/anv_queue.c +++ b/src/intel/vulkan/anv_queue.c @@ -349,7 +349,18 @@ VkResult anv_ResetFences( for (uint32_t i = 0; i < fenceCount; i++) { ANV_FROM_HANDLE(anv_fence, fence, pFences[i]); - assert(fence->temporary.type == ANV_FENCE_TYPE_NONE); + /* From the Vulkan 1.0.53 spec: + * + * "If any member of pFences currently has its payload imported with + * temporary permanence, that fence’s prior permanent payload is + * first restored. The remaining operations described therefore + * operate on the restored payload. + */ + if (fence->temporary.type != ANV_FENCE_TYPE_NONE) { + anv_fence_impl_cleanup(device, &fence->temporary); + fence->temporary.type = ANV_FENCE_TYPE_NONE; + } + struct anv_fence_impl *impl = &fence->permanent; switch (impl->type) { @@ -379,11 +390,14 @@ VkResult anv_GetFenceStatus( if (unlikely(device->lost)) return VK_ERROR_DEVICE_LOST; - assert(fence->temporary.type == ANV_FENCE_TYPE_NONE); - struct anv_fence_impl *impl = &fence->permanent; + struct anv_fence_impl *impl = + fence->temporary.type != ANV_FENCE_TYPE_NONE ? + &fence->temporary : &fence->permanent; switch (impl->type) { case ANV_FENCE_TYPE_BO: + /* BO fences don't support import/export */ + assert(fence->temporary.type == ANV_FENCE_TYPE_NONE); switch (impl->bo.state) { case ANV_BO_FENCE_STATE_RESET: /* If it hasn't even been sent off to the GPU yet, it's not ready */ @@ -665,6 +679,128 @@ VkResult anv_WaitForFences( } } +void anv_GetPhysicalDeviceExternalFencePropertiesKHR( + VkPhysicalDevice physicalDevice, + const VkPhysicalDeviceExternalFenceInfoKHR* pExternalFenceInfo, + VkExternalFencePropertiesKHR* pExternalFenceProperties) +{ + ANV_FROM_HANDLE(anv_physical_device, device, physicalDevice); + + switch (pExternalFenceInfo->handleType) { + case VK_EXTERNAL_FENCE_HANDLE_TYPE_OPAQUE_FD_BIT_KHR: + if (device->has_syncobj_wait) { + pExternalFenceProperties->exportFromImportedHandleTypes = + VK_EXTERNAL_FENCE_HANDLE_TYPE_OPAQUE_FD_BIT_KHR; + pExternalFenceProperties->compatibleHandleTypes = + VK_EXTERNAL_FENCE_HANDLE_TYPE_OPAQUE_FD_BIT_KHR; + pExternalFenceProperties->externalFenceFeatures = + VK_EXTERNAL_FENCE_FEATURE_EXPORTABLE_BIT_KHR | + VK_EXTERNAL_FENCE_FEATURE_IMPORTABLE_BIT_KHR; + return; + } + break; + + default: + break; + } + + pExternalFenceProperties->exportFromImportedHandleTypes = 0; + pExternalFenceProperties->compatibleHandleTypes = 0; + pExternalFenceProperties->externalFenceFeatures = 0; +} + +VkResult anv_ImportFenceFdKHR( + VkDevice _device, + const VkImportFenceFdInfoKHR* pImportFenceFdInfo) +{ + ANV_FROM_HANDLE(anv_device, device, _device); + ANV_FROM_HANDLE(anv_fence, fence, pImportFenceFdInfo->fence); + int fd = pImportFenceFdInfo->fd; + + assert(pImportFenceFdInfo->sType == + VK_STRUCTURE_TYPE_IMPORT_FENCE_FD_INFO_KHR); + + struct anv_fence_impl new_impl = { + .type = ANV_FENCE_TYPE_NONE, + }; + + switch (pImportFenceFdInfo->handleType) { + case VK_EXTERNAL_FENCE_HANDLE_TYPE_OPAQUE_FD_BIT_KHR: + new_impl.type = ANV_FENCE_TYPE_SYNCOBJ; + + new_impl.syncobj = anv_gem_syncobj_fd_to_handle(device, fd); + if (!new_impl.syncobj) + return vk_error(VK_ERROR_INVALID_EXTERNAL_HANDLE_KHR); + + /* From the Vulkan 1.0.53 spec: + * + * "Importing a fence payload from a file descriptor transfers + * ownership of the file descriptor from the application to the + * Vulkan implementation. The application must not perform any + * operations on the file descriptor after a successful import." + * + * If the import fails, we leave the file descriptor open. + */ + close(fd); + break; + + default: + return vk_error(VK_ERROR_INVALID_EXTERNAL_HANDLE_KHR); + } + + if (pImportFenceFdInfo->flags & VK_FENCE_IMPORT_TEMPORARY_BIT_KHR) { + anv_fence_impl_cleanup(device, &fence->temporary); + fence->temporary = new_impl; + } else { + anv_fence_impl_cleanup(device, &fence->permanent); + fence->permanent = new_impl; + } + + return VK_SUCCESS; +} + +VkResult anv_GetFenceFdKHR( + VkDevice _device, + const VkFenceGetFdInfoKHR* pGetFdInfo, + int* pFd) +{ + ANV_FROM_HANDLE(anv_device, device, _device); + ANV_FROM_HANDLE(anv_fence, fence, pGetFdInfo->fence); + + assert(pGetFdInfo->sType == VK_STRUCTURE_TYPE_FENCE_GET_FD_INFO_KHR); + + struct anv_fence_impl *impl = + fence->temporary.type != ANV_FENCE_TYPE_NONE ? + &fence->temporary : &fence->permanent; + + assert(impl->type == ANV_FENCE_TYPE_SYNCOBJ); + switch (pGetFdInfo->handleType) { + case VK_EXTERNAL_FENCE_HANDLE_TYPE_OPAQUE_FD_BIT_KHR: { + int fd = anv_gem_syncobj_handle_to_fd(device, impl->syncobj); + if (fd < 0) + return vk_error(VK_ERROR_TOO_MANY_OBJECTS); + + *pFd = fd; + break; + } + + default: + unreachable("Invalid fence export handle type"); + } + + /* From the Vulkan 1.0.53 spec: + * + * "Export operations have the same transference as the specified handle + * type’s import operations. [...] If the fence was using a + * temporarily imported payload, the fence’s prior permanent payload + * will be restored. + */ + if (impl == &fence->temporary) + anv_fence_impl_cleanup(device, impl); + + return VK_SUCCESS; +} + // Queue semaphore functions VkResult anv_CreateSemaphore( -- 2.30.2