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improving allocator

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kbz_8
2025-05-20 23:12:54 +02:00
parent 410d247c7f
commit c7dfc64f26
15 changed files with 145 additions and 35 deletions
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9
ScopEngine/Runtime/Sources/Renderer/Memory/Chunk.cpp
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@@ -24,6 +24,7 @@ namespace Scop
if(RenderCore::Get().vkMapMemory(m_device, m_memory, 0, VK_WHOLE_SIZE, 0, &p_map) != VK_SUCCESS)
FatalError("Vulkan: failed to map a host visible chunk");
}
MemoryBlock& block = m_blocks.emplace_back();
block.memory = m_memory;
block.offset = 0;
@@ -37,7 +38,7 @@ namespace Scop
{
if(!m_blocks[i].free || m_blocks[i].size < size)
continue;
VkDeviceSize offset_displacement = (m_blocks[i].offset % alignment > 0) ? alignment - m_blocks[i].offset % alignment : 0;
VkDeviceSize offset_displacement = (m_blocks[i].offset % alignment != 0) ? alignment - m_blocks[i].offset % alignment : 0;
VkDeviceSize old_size_available = m_blocks[i].size - offset_displacement;
if(size + offset_displacement <= m_blocks[i].size)
@@ -51,7 +52,7 @@ namespace Scop
MemoryBlock new_block;
new_block.memory = m_memory;
new_block.offset = m_blocks[i].offset + size;
new_block.offset = m_blocks[i].offset + m_blocks[i].size;
new_block.size = old_size_available - size;
new_block.free = true;
@@ -76,9 +77,9 @@ namespace Scop
end = true;
for(auto it = m_blocks.begin(); it != m_blocks.end(); ++it)
{
if(it->free && (it + 1)->free)
if(it->free && it + 1 != m_blocks.end() && (it + 1)->free)
{
it->size = (it + 1)->offset + (it + 1)->size - it->offset;
it->size += (it + 1)->size;
m_blocks.erase(it + 1);
end = false;
break;