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642009261e
This is a reland of 96c4019214e0b2d7c0843eacf96398a6a1198d1f It includes a fix to add a dummy descriptor count if the VkDescriptorPool would be empty, and adds a test that a bind group with an empty bind group layout may be created and used. Original change's description: > Slab-allocate VkDescriptorSets > > This introduces a slab allocator for VkDescriptorSets which creates > a VkDescriptorPool pre-allocated with multiple VkDescriptorSets per > BindGroupLayout. In the future, we can deduplicate pools that have > the same, or roughly the same, descriptor counts. > > This CL also removes the old DescriptorSetService and moves most of > the functionality onto the DescriptorSetAllocator itself to keep > the tracking logic in one place. > > Bug: dawn:340 > Change-Id: I785b17f4353fb3d40c9ccc33746600d6794efe7c > Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/19320 > Reviewed-by: Austin Eng <enga@chromium.org> > Commit-Queue: Austin Eng <enga@chromium.org> Bug: dawn:340 Change-Id: Iabb744f110d0cab442bb857b31c87ba46bf0ad7a Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/20321 Commit-Queue: Austin Eng <enga@chromium.org> Reviewed-by: Corentin Wallez <cwallez@chromium.org>
30 lines
1.0 KiB
C++
30 lines
1.0 KiB
C++
// Copyright 2020 The Dawn Authors
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#ifndef DAWNNATIVE_VULKAN_DESCRIPTORSETALLOCATION_H_
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#define DAWNNATIVE_VULKAN_DESCRIPTORSETALLOCATION_H_
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namespace dawn_native { namespace vulkan {
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// Contains a descriptor set along with data necessary to track its allocation.
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struct DescriptorSetAllocation {
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VkDescriptorSet set = VK_NULL_HANDLE;
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uint32_t poolIndex;
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uint16_t setIndex;
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};
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}} // namespace dawn_native::vulkan
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#endif // DAWNNATIVE_VULKAN_DESCRIPTORSETALLOCATION_H_
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