radv: always create an fallback pipeline cache

This will be used as an in-memory cache when a pipeline cache is
not provided by the app.

Reviewed-by: Bas Nieuwenhuizen <[email protected]>

2 files changed, 20 insertions, 0 deletions

diff --git a/src/amd/vulkan/radv_device.c b/src/amd/vulkan/radv_device.c
index bc136e4489b..893dceae047 100644
--- a/src/amd/vulkan/radv_device.c
+++ b/src/amd/vulkan/radv_device.c
@@ -1009,6 +1009,20 @@ VkResult radv_CreateDevice(
 	if (device->physical_device->rad_info.chip_class >= CIK)
 		cik_create_gfx_config(device);
 
+	VkPipelineCacheCreateInfo ci;
+	ci.sType = VK_STRUCTURE_TYPE_PIPELINE_CACHE_CREATE_INFO;
+	ci.pNext = NULL;
+	ci.flags = 0;
+	ci.pInitialData = NULL;
+	ci.initialDataSize = 0;
+	VkPipelineCache pc;
+	result = radv_CreatePipelineCache(radv_device_to_handle(device),
+					  &ci, NULL, &pc);
+	if (result != VK_SUCCESS)
+		goto fail;
+
+	device->mem_cache = radv_pipeline_cache_from_handle(pc);
+
 	*pDevice = radv_device_to_handle(device);
 	return VK_SUCCESS;
 
@@ -1057,6 +1071,9 @@ void radv_DestroyDevice(
 	}
 	radv_device_finish_meta(device);
 
+	VkPipelineCache pc = radv_pipeline_cache_to_handle(device->mem_cache);
+	radv_DestroyPipelineCache(radv_device_to_handle(device), pc, NULL);
+
 	vk_free(&device->alloc, device);
 }
 
diff --git a/src/amd/vulkan/radv_private.h b/src/amd/vulkan/radv_private.h
index dce1d508785..e4654bb4d4a 100644
--- a/src/amd/vulkan/radv_private.h
+++ b/src/amd/vulkan/radv_private.h
@@ -508,6 +508,9 @@ struct radv_device {
 	uint32_t                                     *trace_id_ptr;
 
 	struct radv_physical_device                  *physical_device;
+
+	/* Backup in-memory cache to be used if the app doesn't provide one */
+	struct radv_pipeline_cache *                mem_cache;
 };
 
 struct radv_device_memory {