Onek8/LNXSDK
1
0
Fork 0
forked from LeenkxTeam/LNXSDK
Code Pull Requests Activity

HaxeJolt

Browse Source
This commit is contained in:
Onek8
2026-03-04 00:50:15 -08:00
parent 9126175569
commit 4211317c03
569 changed files with 122194 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

70
lib/haxejolt/JoltPhysics/Jolt/Compute/VK/ComputeSystemVKWithAllocator.h Normal file
View File

@ -0,0 +1,70 @@
// Jolt Physics Library (https://github.com/jrouwe/JoltPhysics)
// SPDX-FileCopyrightText: 2025 Jorrit Rouwe
// SPDX-License-Identifier: MIT
#pragma once
#ifdef JPH_USE_VK
#include <Jolt/Compute/VK/ComputeSystemVK.h>
#include <Jolt/Core/UnorderedMap.h>
JPH_NAMESPACE_BEGIN
/// This extends ComputeSystemVK to provide a default implementation for memory allocation and mapping.
/// It uses a simple block based allocator to reduce the number of allocations done to Vulkan.
class JPH_EXPORT ComputeSystemVKWithAllocator : public ComputeSystemVK
{
public:
JPH_DECLARE_RTTI_VIRTUAL(JPH_EXPORT, ComputeSystemVKWithAllocator)
/// Allow the application to override buffer creation and memory mapping in case it uses its own allocator
virtual bool CreateBuffer(VkDeviceSize inSize, VkBufferUsageFlags inUsage, VkMemoryPropertyFlags inProperties, BufferVK &outBuffer) override;
virtual void FreeBuffer(BufferVK &ioBuffer) override;
virtual void * MapBuffer(BufferVK &ioBuffer) override;
virtual void UnmapBuffer(BufferVK &ioBuffer) override;
protected:
virtual bool InitializeMemory() override;
virtual void ShutdownMemory() override;
uint32 FindMemoryType(uint32 inTypeFilter, VkMemoryPropertyFlags inProperties) const;
void AllocateMemory(VkDeviceSize inSize, uint32 inMemoryTypeBits, VkMemoryPropertyFlags inProperties, MemoryVK &ioMemory);
void FreeMemory(MemoryVK &ioMemory);
VkPhysicalDeviceMemoryProperties mMemoryProperties;
private:
// Smaller allocations (from cMinAllocSize to cMaxAllocSize) will be done in blocks of cBlockSize bytes.
// We do this because there is a limit to the number of allocations that we can make in Vulkan.
static constexpr VkDeviceSize cMinAllocSize = 512;
static constexpr VkDeviceSize cMaxAllocSize = 65536;
static constexpr VkDeviceSize cBlockSize = 524288;
struct MemoryKey
{
bool operator == (const MemoryKey &inRHS) const
{
return mSize == inRHS.mSize && mProperties == inRHS.mProperties;
}
VkDeviceSize mSize;
VkMemoryPropertyFlags mProperties;
};
JPH_MAKE_HASH_STRUCT(MemoryKey, MemoryKeyHasher, t.mProperties, t.mSize)
struct Memory
{
Ref<MemoryVK> mMemory;
VkDeviceSize mOffset;
};
using MemoryCache = UnorderedMap<MemoryKey, Array<Memory>, MemoryKeyHasher>;
MemoryCache mMemoryCache;
};
JPH_NAMESPACE_END
#endif // JPH_USE_VK