kc3-lang/angle/src/libANGLE/renderer/vulkan/vk_mem_alloc_wrapper.h

• Show log

  Commit

• Hash : 6e0d718a
  Author :
  Date : 2020-03-31T18:41:57
  

  Vulkan: Implement device memory sub-allocation
  
  Use AMD Vulkan Memory Allocator for device memory sub-allocation.
  We now have a mempool from which all glBuffer memory is allocated.
  The CPU overhead involved in repeated IOCTL calls to the kernel is
  reduced significantly.
  
  Bug: angleproject:2162
  Change-Id: Id7681ffe2ac3d2853141ebe34c7df7b7fdd0d55e
  Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/2124519
  Reviewed-by: Tobin Ehlis <tobine@google.com>
  Reviewed-by: Jamie Madill <jmadill@chromium.org>
  Commit-Queue: Mohan Maiya <m.maiya@samsung.com>
  

Download

• src/libANGLE/renderer/vulkan/vk_mem_alloc_wrapper.h

• //
  // Copyright 2020 The ANGLE Project Authors. All rights reserved.
  // Use of this source code is governed by a BSD-style license that can be
  // found in the LICENSE file.
  //
  // vma_allocator_wrapper.h:
  //    Hides VMA functions so we can use separate warning sets.
  //
  
  #ifndef LIBANGLE_RENDERER_VULKAN_VK_MEM_ALLOC_WRAPPER_H_
  #define LIBANGLE_RENDERER_VULKAN_VK_MEM_ALLOC_WRAPPER_H_
  
  #include <volk.h>
  
  VK_DEFINE_HANDLE(VmaAllocator)
  VK_DEFINE_HANDLE(VmaAllocation)
  
  namespace vma
  {
  VkResult InitAllocator(VkPhysicalDevice physicalDevice,
                         VkDevice device,
                         VkInstance instance,
                         VmaAllocator *pAllocator);
  
  void DestroyAllocator(VmaAllocator allocator);
  
  void FreeMemory(VmaAllocator allocator, VmaAllocation allocation);
  
  VkResult CreateBuffer(VmaAllocator allocator,
                        const VkBufferCreateInfo *pBufferCreateInfo,
                        VkMemoryPropertyFlags requiredFlags,
                        VkMemoryPropertyFlags preferredFlags,
                        uint32_t *pMemoryTypeIndexOut,
                        VkBuffer *pBuffer,
                        VmaAllocation *pAllocation);
  
  void GetMemoryTypeProperties(VmaAllocator allocator,
                               uint32_t memoryTypeIndex,
                               VkMemoryPropertyFlags *pFlags);
  
  VkResult MapMemory(VmaAllocator allocator, VmaAllocation allocation, void **ppData);
  
  void UnmapMemory(VmaAllocator allocator, VmaAllocation allocation);
  
  void FlushAllocation(VmaAllocator allocator,
                       VmaAllocation allocation,
                       VkDeviceSize offset,
                       VkDeviceSize size);
  
  void InvalidateAllocation(VmaAllocator allocator,
                            VmaAllocation allocation,
                            VkDeviceSize offset,
                            VkDeviceSize size);
  
  }  // namespace vma
  
  #endif  // LIBANGLE_RENDERER_VULKAN_VK_MEM_ALLOC_WRAPPER_H_

Download