156 lines
5.1 KiB
C
156 lines
5.1 KiB
C
/*
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* Copyright © 2022 Imagination Technologies Ltd.
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*
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* based in part on anv driver which is:
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* Copyright © 2015 Intel Corporation
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice (including the next
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* paragraph) shall be included in all copies or substantial portions of the
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* Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*/
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#include <string.h>
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#include "pvr_device_info.h"
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#include "pvr_private.h"
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#include "util/blob.h"
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#include "vk_log.h"
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#include "vk_object.h"
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#include "vulkan/util/vk_util.h"
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static void pvr_pipeline_cache_load(struct pvr_pipeline_cache *cache,
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const void *data,
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size_t size)
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{
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struct pvr_device *device = cache->device;
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struct pvr_physical_device *pdevice = device->pdevice;
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struct vk_pipeline_cache_header header;
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struct blob_reader blob;
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blob_reader_init(&blob, data, size);
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blob_copy_bytes(&blob, &header, sizeof(header));
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if (blob.overrun)
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return;
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if (header.header_size < sizeof(header))
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return;
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if (header.header_version != VK_PIPELINE_CACHE_HEADER_VERSION_ONE)
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return;
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if (header.vendor_id != VK_VENDOR_ID_IMAGINATION)
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return;
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if (header.device_id != pdevice->dev_info.ident.device_id)
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return;
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if (memcmp(header.uuid, pdevice->pipeline_cache_uuid, VK_UUID_SIZE) != 0)
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return;
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/* TODO: There isn't currently any cached data so there's nothing to load
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* at this point. Once there is something to load then load it now.
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*/
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}
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VkResult pvr_CreatePipelineCache(VkDevice _device,
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const VkPipelineCacheCreateInfo *pCreateInfo,
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const VkAllocationCallbacks *pAllocator,
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VkPipelineCache *pPipelineCache)
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{
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PVR_FROM_HANDLE(pvr_device, device, _device);
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struct pvr_pipeline_cache *cache;
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assert(pCreateInfo->sType == VK_STRUCTURE_TYPE_PIPELINE_CACHE_CREATE_INFO);
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assert(pCreateInfo->flags == 0);
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cache = vk_object_alloc(&device->vk,
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pAllocator,
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sizeof(*cache),
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VK_OBJECT_TYPE_PIPELINE_CACHE);
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if (!cache)
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return vk_error(device, VK_ERROR_OUT_OF_HOST_MEMORY);
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cache->device = device;
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if (pCreateInfo->initialDataSize > 0) {
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pvr_pipeline_cache_load(cache,
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pCreateInfo->pInitialData,
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pCreateInfo->initialDataSize);
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}
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*pPipelineCache = pvr_pipeline_cache_to_handle(cache);
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return VK_SUCCESS;
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}
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void pvr_DestroyPipelineCache(VkDevice _device,
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VkPipelineCache _cache,
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const VkAllocationCallbacks *pAllocator)
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{
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PVR_FROM_HANDLE(pvr_device, device, _device);
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PVR_FROM_HANDLE(pvr_pipeline_cache, cache, _cache);
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if (!cache)
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return;
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vk_object_free(&device->vk, pAllocator, cache);
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}
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VkResult pvr_GetPipelineCacheData(VkDevice _device,
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VkPipelineCache _cache,
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size_t *pDataSize,
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void *pData)
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{
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PVR_FROM_HANDLE(pvr_device, device, _device);
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struct pvr_physical_device *pdevice = device->pdevice;
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struct blob blob;
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if (pData)
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blob_init_fixed(&blob, pData, *pDataSize);
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else
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blob_init_fixed(&blob, NULL, SIZE_MAX);
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struct vk_pipeline_cache_header header = {
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.header_size = sizeof(struct vk_pipeline_cache_header),
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.header_version = VK_PIPELINE_CACHE_HEADER_VERSION_ONE,
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.vendor_id = VK_VENDOR_ID_IMAGINATION,
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.device_id = pdevice->dev_info.ident.device_id,
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};
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memcpy(header.uuid, pdevice->pipeline_cache_uuid, VK_UUID_SIZE);
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blob_write_bytes(&blob, &header, sizeof(header));
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/* TODO: Once there's some data to cache then this should be written to
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* 'blob'.
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*/
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*pDataSize = blob.size;
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blob_finish(&blob);
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return VK_SUCCESS;
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}
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VkResult pvr_MergePipelineCaches(VkDevice _device,
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VkPipelineCache destCache,
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uint32_t srcCacheCount,
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const VkPipelineCache *pSrcCaches)
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{
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/* TODO: Once there's some data to cache then this will need to be able to
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* merge caches together.
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*/
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return VK_SUCCESS;
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}
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