Method Resize

source/common/rendering/vulkan/system/vk_hwbuffer.cpp:161–190

}

void VkHardwareBuffer::Resize(size_t newsize)
{
	newsize = max(newsize, (size_t)16); // For supporting zero byte buffers

	// Grab old buffer
	size_t oldsize = buffersize;
	std::unique_ptr<VulkanBuffer> oldBuffer = std::move(mBuffer);
	oldBuffer->Unmap();
	map = nullptr;

	// Create new buffer
	mBuffer = BufferBuilder()
		.Usage(mBufferType, VMA_MEMORY_USAGE_UNKNOWN, VMA_ALLOCATION_CREATE_DEDICATED_MEMORY_BIT | VMA_ALLOCATION_CREATE_MAPPED_BIT)
		.MemoryType(
			VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT | VK_MEMORY_PROPERTY_HOST_COHERENT_BIT,
			VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT | VK_MEMORY_PROPERTY_HOST_COHERENT_BIT | VK_MEMORY_PROPERTY_DEVICE_LOCAL_BIT)
		.Size(newsize)
		.DebugName("VkHardwareBuffer.Resized")
		.Create(fb->device.get());
	buffersize = newsize;

	// Transfer data from old to new
	fb->GetCommands()->GetTransferCommands()->copyBuffer(oldBuffer.get(), mBuffer.get(), 0, 0, oldsize);
	fb->GetCommands()->TransferDeleteList->Add(std::move(oldBuffer));
	fb->GetCommands()->WaitForCommands(false);
	fb->GetDescriptorSetManager()->UpdateHWBufferSet(); // Old buffer may be part of the bound descriptor set

	// Fetch pointer to new buffer
	map = mBuffer->Map(0, newsize);
}

void VkHardwareBuffer::Map()
{