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Updated to java 21 and started work on new Virtual thread ticking sys…
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95 changes: 95 additions & 0 deletions
95
src/main/java/dev/hilligans/ourcraft/Client/Rendering/Graphics/Vulkan/MemoryRegion.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,95 @@ | ||
| package dev.hilligans.ourcraft.Client.Rendering.Graphics.Vulkan; | ||
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| import dev.hilligans.ourcraft.Client.Rendering.Graphics.Vulkan.Boilerplate.VulkanBuffer; | ||
| import dev.hilligans.ourcraft.Client.Rendering.Graphics.Vulkan.VulkanEngineException; | ||
| import dev.hilligans.ourcraft.Client.Rendering.Graphics.Vulkan.VulkanMemoryManager; | ||
| import dev.hilligans.ourcraft.Data.Primitives.Tuple; | ||
| import org.lwjgl.system.MemoryStack; | ||
| import org.lwjgl.vulkan.VK10; | ||
| import org.lwjgl.vulkan.VkBufferCreateInfo; | ||
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| import java.nio.LongBuffer; | ||
| import java.util.ArrayList; | ||
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| import static org.lwjgl.vulkan.VK10.*; | ||
| import static org.lwjgl.vulkan.VK10.VK_SUCCESS; | ||
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| public class MemoryRegion { | ||
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| public ArrayList<Tuple<Long, Long>> sizeOffsets; | ||
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| public VulkanMemoryManager.MemoryHeap memoryHeap; | ||
| public long memory; | ||
| public long size; | ||
| public long biggestRegion; | ||
| public int regionWidth; | ||
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| public MemoryRegion(VulkanMemoryManager.MemoryHeap memoryHeap, long memory, long size, int regionWidth) { | ||
| this.memoryHeap = memoryHeap; | ||
| this.memory = memory; | ||
| this.size = size; | ||
| this.regionWidth = regionWidth; | ||
| } | ||
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| public VulkanBuffer createBuffer(long size, int usage) { | ||
| size += size % regionWidth; | ||
| if(size > biggestRegion) { | ||
| return null; | ||
| } | ||
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| //long offset = | ||
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| try(MemoryStack memoryStack = MemoryStack.stackPush()) { | ||
| VkBufferCreateInfo bufferInfo = VkBufferCreateInfo.calloc(memoryStack); | ||
| bufferInfo.sType(VK_STRUCTURE_TYPE_BUFFER_CREATE_INFO); | ||
| bufferInfo.size(size); | ||
| bufferInfo.usage(usage); | ||
| bufferInfo.sharingMode(VK_SHARING_MODE_EXCLUSIVE); | ||
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| LongBuffer buf = MemoryStack.stackCallocLong(1); | ||
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| if (vkCreateBuffer(memoryHeap.device.device, bufferInfo, null, buf) != VK_SUCCESS) { | ||
| throw new VulkanEngineException("Failed to allocate buffer"); | ||
| } | ||
| vkBindBufferMemory(memoryHeap.device.device, buf.get(0), memory, 0); | ||
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| return new VulkanBuffer(size, buf.get(0), memory, 0); | ||
| } | ||
| } | ||
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| public long buildBuffer(int offset) { | ||
| Tuple<Long, Long> buf = sizeOffsets.get(offset); | ||
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| long remaining = buf.typeA - offset; | ||
| sizeOffsets.remove(buf); | ||
| if(remaining != 0) { | ||
| add(new Tuple<>(remaining, buf.typeB + offset)); | ||
| } | ||
| return 0; | ||
| } | ||
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| public void add(Tuple<Long, Long> toAdd) { | ||
| for(int x = sizeOffsets.size() - 1; x >= 0; x--) { | ||
| Tuple<Long, Long> buf = sizeOffsets.get(x); | ||
| if(buf.typeA < toAdd.typeA) { | ||
| sizeOffsets.add(x + 1, toAdd); | ||
| } | ||
| } | ||
| } | ||
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| public int findSmallestIndex(long size) { | ||
| for(int x = sizeOffsets.size() - 1; x >= 0; x--) { | ||
| Tuple<Long, Long> buf = sizeOffsets.get(x); | ||
| if(buf.typeA > size) { | ||
| return x; | ||
| } | ||
| } | ||
| return -1; | ||
| } | ||
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| public void free() { | ||
| VK10.vkFreeMemory(memoryHeap.device.device, memory, null); | ||
| memoryHeap.allocatedSize.addAndGet(-size); | ||
| } | ||
| } |
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