MainTarget.java

com.mojang.blaze3d.pipeline.MainTarget

信息

• 全限定名：com.mojang.blaze3d.pipeline.MainTarget
• 类型：public class
• 包：com.mojang.blaze3d.pipeline
• 源码路径：src/main/java/com/mojang/blaze3d/pipeline/MainTarget.java
• 起始行号：L15
• 继承：RenderTarget
• 职责：

  TODO

字段/常量

• DEFAULT_WIDTH

  • 类型: int
  • 修饰符: public static final
  • 源码定位: L16
  • 说明:

    TODO

• DEFAULT_HEIGHT

  • 类型: int
  • 修饰符: public static final
  • 源码定位: L17
  • 说明:

    TODO

• DEFAULT_DIMENSIONS

  • 类型: MainTarget.Dimension
  • 修饰符: private static final
  • 源码定位: L18
  • 说明:

    TODO

内部类/嵌套类型

• com.mojang.blaze3d.pipeline.MainTarget.Dimension
  • 类型: class
  • 修饰符: private static
  • 源码定位: L94
  • 说明:

    TODO

构造器

public MainTarget(int desiredWidth, int desiredHeight) @ L20

• 构造器名：MainTarget
• 源码定位：L20
• 修饰符：public

参数:

• desiredWidth: int
• desiredHeight: int

说明:

TODO

方法

下面的方法块按源码顺序生成。

private void createFrameBuffer(int desiredWidth, int desiredHeight) @ L25

• 方法名：createFrameBuffer
• 源码定位：L25
• 返回类型：void
• 修饰符：private

参数:

• desiredWidth: int
• desiredHeight: int

说明:

TODO

private MainTarget.Dimension allocateAttachments(int width, int height) @ L35

• 方法名：allocateAttachments
• 源码定位：L35
• 返回类型：MainTarget.Dimension
• 修饰符：private

参数:

• width: int
• height: int

说明:

TODO

private GpuTexture allocateColorAttachment(MainTarget.Dimension dimension) @ L77

• 方法名：allocateColorAttachment
• 源码定位：L77
• 返回类型：GpuTexture
• 修饰符：private

参数:

• dimension: MainTarget.Dimension

说明:

TODO

private GpuTexture allocateDepthAttachment(MainTarget.Dimension dimension) @ L85

• 方法名：allocateDepthAttachment
• 源码定位：L85
• 返回类型：GpuTexture
• 修饰符：private

参数:

• dimension: MainTarget.Dimension

说明:

TODO

代码

@OnlyIn(Dist.CLIENT)
public class MainTarget extends RenderTarget {
    public static final int DEFAULT_WIDTH = 854;
    public static final int DEFAULT_HEIGHT = 480;
    private static final MainTarget.Dimension DEFAULT_DIMENSIONS = new MainTarget.Dimension(854, 480);
 
    public MainTarget(int desiredWidth, int desiredHeight) {
        super("Main", true);
        this.createFrameBuffer(desiredWidth, desiredHeight);
    }
 
    private void createFrameBuffer(int desiredWidth, int desiredHeight) {
        MainTarget.Dimension allocatedDimensions = this.allocateAttachments(desiredWidth, desiredHeight);
        if (this.colorTexture != null && this.depthTexture != null) {
            this.width = allocatedDimensions.width;
            this.height = allocatedDimensions.height;
        } else {
            throw new IllegalStateException("Missing color and/or depth textures");
        }
    }
 
    private MainTarget.Dimension allocateAttachments(int width, int height) {
        RenderSystem.assertOnRenderThread();
 
        for (MainTarget.Dimension dimension : MainTarget.Dimension.listWithFallback(width, height)) {
            if (this.colorTexture != null) {
                this.colorTexture.close();
                this.colorTexture = null;
            }
 
            if (this.colorTextureView != null) {
                this.colorTextureView.close();
                this.colorTextureView = null;
            }
 
            if (this.depthTexture != null) {
                this.depthTexture.close();
                this.depthTexture = null;
            }
 
            if (this.depthTextureView != null) {
                this.depthTextureView.close();
                this.depthTextureView = null;
            }
 
            this.colorTexture = this.allocateColorAttachment(dimension);
            this.depthTexture = this.allocateDepthAttachment(dimension);
            if (this.colorTexture != null && this.depthTexture != null) {
                this.colorTextureView = RenderSystem.getDevice().createTextureView(this.colorTexture);
                this.depthTextureView = RenderSystem.getDevice().createTextureView(this.depthTexture);
                return dimension;
            }
        }
 
        throw new RuntimeException(
            "Unrecoverable GL_OUT_OF_MEMORY ("
                + (this.colorTexture == null ? "missing color" : "have color")
                + ", "
                + (this.depthTexture == null ? "missing depth" : "have depth")
                + ")"
        );
    }
 
    private @Nullable GpuTexture allocateColorAttachment(MainTarget.Dimension dimension) {
        try {
            return RenderSystem.getDevice().createTexture(() -> this.label + " / Color", 15, TextureFormat.RGBA8, dimension.width, dimension.height, 1, 1);
        } catch (GpuOutOfMemoryException var3) {
            return null;
        }
    }
 
    private @Nullable GpuTexture allocateDepthAttachment(MainTarget.Dimension dimension) {
        try {
            return RenderSystem.getDevice().createTexture(() -> this.label + " / Depth", 15, TextureFormat.DEPTH32, dimension.width, dimension.height, 1, 1);
        } catch (GpuOutOfMemoryException var3) {
            return null;
        }
    }
 
    @OnlyIn(Dist.CLIENT)
    private static class Dimension {
        public final int width;
        public final int height;
 
        private Dimension(int width, int height) {
            this.width = width;
            this.height = height;
        }
 
        private static List<MainTarget.Dimension> listWithFallback(int width, int height) {
            RenderSystem.assertOnRenderThread();
            int maxTextureSize = RenderSystem.getDevice().getMaxTextureSize();
            return width > 0 && width <= maxTextureSize && height > 0 && height <= maxTextureSize
                ? ImmutableList.of(new MainTarget.Dimension(width, height), MainTarget.DEFAULT_DIMENSIONS)
                : ImmutableList.of(MainTarget.DEFAULT_DIMENSIONS);
        }
 
        @Override
        public boolean equals(Object other) {
            if (this == other) {
                return true;
            } else if (other != null && this.getClass() == other.getClass()) {
                MainTarget.Dimension that = (MainTarget.Dimension)other;
                return this.width == that.width && this.height == that.height;
            } else {
                return false;
            }
        }
 
        @Override
        public int hashCode() {
            return Objects.hash(this.width, this.height);
        }
 
        @Override
        public String toString() {
            return this.width + "x" + this.height;
        }
    }
}

引用的其他类

• RenderTarget

  • 引用位置: 继承

• RenderSystem

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

• GpuTexture

  • 引用位置: 返回值