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v3dv: Add emulated timeline semaphore support

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This is trivial thanks to the emulated timelines provided in common
code.  "Real" timeline semaphores which can be shared across processes
will require kernel support.

Reviewed-by: Iago Toral Quiroga <itoral@igalia.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/15704>
This commit is contained in:
Jason Ekstrand 2022-04-04 18:37:26 -05:00 • committed by Marge Bot
parent 1cc917bc68
commit 93fbaae7d5
2 changed files with 16 additions and 2 deletions
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14
src/broadcom/vulkan/v3dv_device.c
View file

@ -145,6 +145,7 @@ get_device_extensions(const struct v3dv_physical_device *device,
.KHR_shader_non_semantic_info = true,
.KHR_sampler_mirror_clamp_to_edge = true,
.KHR_storage_buffer_storage_class = true,
.KHR_timeline_semaphore = true,
.KHR_uniform_buffer_standard_layout = true,
#ifdef V3DV_USE_WSI_PLATFORM
.KHR_swapchain = true,
@ -879,8 +880,17 @@ physical_device_init(struct v3dv_physical_device *device,
device->drm_syncobj_type.import_sync_file = NULL;
device->drm_syncobj_type.export_sync_file = NULL;
/* Multiwait is required for emulated timeline semaphores and is supported
* by the v3d kernel interface.
*/
device->drm_syncobj_type.features |= VK_SYNC_FEATURE_GPU_MULTI_WAIT;
device->sync_timeline_type =
vk_sync_timeline_get_type(&device->drm_syncobj_type);
device->sync_types[0] = &device->drm_syncobj_type;
device->sync_types[1] = NULL;
device->sync_types[1] = &device->sync_timeline_type.sync;
device->sync_types[2] = NULL;
device->vk.supported_sync_types = device->sync_types;
result = v3dv_wsi_init(device);
@ -1163,6 +1173,7 @@ v3dv_GetPhysicalDeviceFeatures2(VkPhysicalDevice physicalDevice,
.storageBuffer8BitAccess = true,
.storagePushConstant8 = true,
.imagelessFramebuffer = true,
.timelineSemaphore = true,
};
VkPhysicalDeviceVulkan11Features vk11 = {
@ -1548,6 +1559,7 @@ v3dv_GetPhysicalDeviceProperties2(VkPhysicalDevice physicalDevice,
*/
.independentResolveNone = false,
.independentResolve = false,
.maxTimelineSemaphoreValueDifference = UINT64_MAX,
};
memset(vk12.driverName, 0, VK_MAX_DRIVER_NAME_SIZE_KHR);
snprintf(vk12.driverName, VK_MAX_DRIVER_NAME_SIZE_KHR, "V3DV Mesa");

4
src/broadcom/vulkan/v3dv_private.h
View file

@ -44,6 +44,7 @@
#include "vk_physical_device.h"
#include "vk_shader_module.h"
#include "vk_sync.h"
#include "vk_sync_timeline.h"
#include "vk_util.h"
#include "vk_command_buffer.h"
@ -142,7 +143,8 @@ struct v3dv_physical_device {
uint8_t driver_uuid[VK_UUID_SIZE];
struct vk_sync_type drm_syncobj_type;
const struct vk_sync_type *sync_types[2];
struct vk_sync_timeline_type sync_timeline_type;
const struct vk_sync_type *sync_types[3];
struct disk_cache *disk_cache;