SectionBufferBuilderPool.java

net.minecraft.client.renderer.SectionBufferBuilderPool

信息

• 全限定名：net.minecraft.client.renderer.SectionBufferBuilderPool
• 类型：public class
• 包：net.minecraft.client.renderer
• 源码路径：src/main/java/net/minecraft/client/renderer/SectionBufferBuilderPool.java
• 起始行号：L14
• 职责：

  TODO

字段/常量

• LOGGER

  • 类型: Logger
  • 修饰符: private static final
  • 源码定位: L15
  • 说明:

    TODO

• freeBuffers

  • 类型: ArrayBlockingQueue<SectionBufferBuilderPack>
  • 修饰符: private final
  • 源码定位: L16
  • 说明:

    TODO

内部类/嵌套类型

• 无

构造器

private SectionBufferBuilderPool(List<SectionBufferBuilderPack> buffers) @ L18

• 构造器名：SectionBufferBuilderPool
• 源码定位：L18
• 修饰符：private

参数:

• buffers: List

说明:

TODO

方法

下面的方法块按源码顺序生成。

public static SectionBufferBuilderPool allocate(int maxWorkers) @ L23

• 方法名：allocate
• 源码定位：L23
• 返回类型：SectionBufferBuilderPool
• 修饰符：public static

参数:

• maxWorkers: int

说明:

TODO

public SectionBufferBuilderPack acquire() @ L44

• 方法名：acquire
• 源码定位：L44
• 返回类型：SectionBufferBuilderPack
• 修饰符：public

参数:

• 无

说明:

TODO

public void release(SectionBufferBuilderPack buffer) @ L48

• 方法名：release
• 源码定位：L48
• 返回类型：void
• 修饰符：public

参数:

• buffer: SectionBufferBuilderPack

说明:

TODO

public boolean isEmpty() @ L52

• 方法名：isEmpty
• 源码定位：L52
• 返回类型：boolean
• 修饰符：public

参数:

• 无

说明:

TODO

public int getFreeBufferCount() @ L56

• 方法名：getFreeBufferCount
• 源码定位：L56
• 返回类型：int
• 修饰符：public

参数:

• 无

说明:

TODO

代码

@OnlyIn(Dist.CLIENT)
public class SectionBufferBuilderPool {
    private static final Logger LOGGER = LogUtils.getLogger();
    private final ArrayBlockingQueue<SectionBufferBuilderPack> freeBuffers;
 
    private SectionBufferBuilderPool(List<SectionBufferBuilderPack> buffers) {
        this.freeBuffers = Queues.newArrayBlockingQueue(buffers.size());
        this.freeBuffers.addAll(buffers);
    }
 
    public static SectionBufferBuilderPool allocate(int maxWorkers) {
        int maxBuffers = Math.max(1, (int)(Runtime.getRuntime().maxMemory() * 0.3) / SectionBufferBuilderPack.TOTAL_BUFFERS_SIZE);
        int targetBufferCount = Math.max(1, Math.min(maxWorkers, maxBuffers));
        List<SectionBufferBuilderPack> buffers = new ArrayList<>(targetBufferCount);
 
        try {
            for (int i = 0; i < targetBufferCount; i++) {
                buffers.add(new SectionBufferBuilderPack());
            }
        } catch (OutOfMemoryError var7) {
            LOGGER.warn("Allocated only {}/{} buffers", buffers.size(), targetBufferCount);
            int buffersToDrop = Math.min(buffers.size() * 2 / 3, buffers.size() - 1);
 
            for (int i = 0; i < buffersToDrop; i++) {
                buffers.remove(buffers.size() - 1).close();
            }
        }
 
        return new SectionBufferBuilderPool(buffers);
    }
 
    public @Nullable SectionBufferBuilderPack acquire() {
        return this.freeBuffers.poll();
    }
 
    public void release(SectionBufferBuilderPack buffer) {
        this.freeBuffers.offer(buffer);
    }
 
    public boolean isEmpty() {
        return this.freeBuffers.isEmpty();
    }
 
    public int getFreeBufferCount() {
        return this.freeBuffers.size();
    }
}

引用的其他类

• SectionBufferBuilderPack
  • 引用位置: 参数/字段/构造调用/返回值
  • 关联成员: SectionBufferBuilderPack()