dawn-cmake/src/dawn_native/vulkan/ResourceHeapVk.h
Corentin Wallez 15e751e418 Vulkan: Implement initial version of the suballocation
This makes the Vulkan backend use the BuddyMemoryAllocator to
sub-allocate small resources inside a larger VkDeviceMemory object.
Right now the heuristic to decide to do suballocation is naive and
should be improved.

BUG=dawn:27

Change-Id: Idcc7b6686c086633c85328a7afb91ee84abf7b8c
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/12662
Reviewed-by: Austin Eng <enga@chromium.org>
Commit-Queue: Corentin Wallez <cwallez@chromium.org>
2019-10-24 21:32:27 +00:00

40 lines
1.3 KiB
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// Copyright 2019 The Dawn Authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#ifndef DAWNNATIVE_VULKAN_RESOURCEHEAPVK_H_
#define DAWNNATIVE_VULKAN_RESOURCEHEAPVK_H_
#include "common/vulkan_platform.h"
#include "dawn_native/ResourceHeap.h"
namespace dawn_native { namespace vulkan {
// Wrapper for physical memory used with or without a resource object.
class ResourceHeap : public ResourceHeapBase {
public:
ResourceHeap(VkDeviceMemory memory, size_t memoryType);
~ResourceHeap() = default;
VkDeviceMemory GetMemory() const;
size_t GetMemoryType() const;
private:
VkDeviceMemory mMemory = VK_NULL_HANDLE;
size_t mMemoryType = 0;
};
}} // namespace dawn_native::vulkan
#endif // DAWNNATIVE_VULKAN_RESOURCEHEAPVK_H_