SamplerCache.java

com.mojang.blaze3d.systems.SamplerCache

信息

• 全限定名：com.mojang.blaze3d.systems.SamplerCache
• 类型：public class
• 包：com.mojang.blaze3d.systems
• 源码路径：src/main/java/com/mojang/blaze3d/systems/SamplerCache.java
• 起始行号：L12
• 职责：

  TODO

字段/常量

• samplers
  • 类型: GpuSampler[]
  • 修饰符: private final
  • 源码定位: L13
  • 说明:

    TODO

内部类/嵌套类型

• 无

构造器

• 无

方法

下面的方法块按源码顺序生成。

public void initialize() @ L15

• 方法名：initialize
• 源码定位：L15
• 返回类型：void
• 修饰符：public

参数:

• 无

说明:

TODO

public GpuSampler getSampler(AddressMode addressModeU, AddressMode addressModeV, FilterMode minFilter, FilterMode magFilter, boolean useMipmaps) @ L36

• 方法名：getSampler
• 源码定位：L36
• 返回类型：GpuSampler
• 修饰符：public

参数:

• addressModeU: AddressMode
• addressModeV: AddressMode
• minFilter: FilterMode
• magFilter: FilterMode
• useMipmaps: boolean

说明:

TODO

public GpuSampler getClampToEdge(FilterMode minMag) @ L40

• 方法名：getClampToEdge
• 源码定位：L40
• 返回类型：GpuSampler
• 修饰符：public

参数:

• minMag: FilterMode

说明:

TODO

public GpuSampler getClampToEdge(FilterMode minMag, boolean mipmaps) @ L44

• 方法名：getClampToEdge
• 源码定位：L44
• 返回类型：GpuSampler
• 修饰符：public

参数:

• minMag: FilterMode
• mipmaps: boolean

说明:

TODO

public GpuSampler getRepeat(FilterMode minMag) @ L48

• 方法名：getRepeat
• 源码定位：L48
• 返回类型：GpuSampler
• 修饰符：public

参数:

• minMag: FilterMode

说明:

TODO

public GpuSampler getRepeat(FilterMode minMag, boolean mipmaps) @ L52

• 方法名：getRepeat
• 源码定位：L52
• 返回类型：GpuSampler
• 修饰符：public

参数:

• minMag: FilterMode
• mipmaps: boolean

说明:

TODO

public void close() @ L56

• 方法名：close
• 源码定位：L56
• 返回类型：void
• 修饰符：public

参数:

• 无

说明:

TODO

static int encode(AddressMode addressModeU, AddressMode addressModeV, FilterMode minFilter, FilterMode magFilter, boolean useMipmaps) @ L62

• 方法名：encode
• 源码定位：L62
• 返回类型：int
• 修饰符：static

参数:

• addressModeU: AddressMode
• addressModeV: AddressMode
• minFilter: FilterMode
• magFilter: FilterMode
• useMipmaps: boolean

说明:

TODO

代码

@OnlyIn(Dist.CLIENT)
public class SamplerCache {
    private final GpuSampler[] samplers = new GpuSampler[32];
 
    public void initialize() {
        GpuDevice device = RenderSystem.getDevice();
        if (AddressMode.values().length == 2 && FilterMode.values().length == 2) {
            for (AddressMode addressModeU : AddressMode.values()) {
                for (AddressMode addressModeV : AddressMode.values()) {
                    for (FilterMode minFilter : FilterMode.values()) {
                        for (FilterMode magFilter : FilterMode.values()) {
                            for (boolean useMipmaps : new boolean[]{true, false}) {
                                this.samplers[encode(addressModeU, addressModeV, minFilter, magFilter, useMipmaps)] = device.createSampler(
                                    addressModeU, addressModeV, minFilter, magFilter, 1, useMipmaps ? OptionalDouble.empty() : OptionalDouble.of(0.0)
                                );
                            }
                        }
                    }
                }
            }
        } else {
            throw new IllegalStateException("AddressMode and FilterMode enum sizes must be 2 - if you expanded them, please update SamplerCache");
        }
    }
 
    public GpuSampler getSampler(AddressMode addressModeU, AddressMode addressModeV, FilterMode minFilter, FilterMode magFilter, boolean useMipmaps) {
        return this.samplers[encode(addressModeU, addressModeV, minFilter, magFilter, useMipmaps)];
    }
 
    public GpuSampler getClampToEdge(FilterMode minMag) {
        return this.getSampler(AddressMode.CLAMP_TO_EDGE, AddressMode.CLAMP_TO_EDGE, minMag, minMag, false);
    }
 
    public GpuSampler getClampToEdge(FilterMode minMag, boolean mipmaps) {
        return this.getSampler(AddressMode.CLAMP_TO_EDGE, AddressMode.CLAMP_TO_EDGE, minMag, minMag, mipmaps);
    }
 
    public GpuSampler getRepeat(FilterMode minMag) {
        return this.getSampler(AddressMode.REPEAT, AddressMode.REPEAT, minMag, minMag, false);
    }
 
    public GpuSampler getRepeat(FilterMode minMag, boolean mipmaps) {
        return this.getSampler(AddressMode.REPEAT, AddressMode.REPEAT, minMag, minMag, mipmaps);
    }
 
    public void close() {
        for (GpuSampler sampler : this.samplers) {
            sampler.close();
        }
    }
 
    @VisibleForTesting
    static int encode(AddressMode addressModeU, AddressMode addressModeV, FilterMode minFilter, FilterMode magFilter, boolean useMipmaps) {
        int result = 0;
        result |= addressModeU.ordinal() & 1;
        result |= (addressModeV.ordinal() & 1) << 1;
        result |= (minFilter.ordinal() & 1) << 2;
        result |= (magFilter.ordinal() & 1) << 3;
        if (useMipmaps) {
            result |= 16;
        }
 
        return result;
    }
}

引用的其他类

• RenderSystem

  • 引用位置: 方法调用
  • 关联成员: RenderSystem.getDevice()

• AddressMode

  • 引用位置: 参数/方法调用
  • 关联成员: AddressMode.values()

• FilterMode

  • 引用位置: 参数/方法调用
  • 关联成员: FilterMode.values()

• GpuSampler

  • 引用位置: 字段/返回值