GlTextureView.java

com.mojang.blaze3d.opengl.GlTextureView

信息

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

  TODO

字段/常量

• EMPTY

  • 类型: int
  • 修饰符: private static final
  • 源码定位: L13
  • 说明:

    TODO

• closed

  • 类型: boolean
  • 修饰符: private
  • 源码定位: L14
  • 说明:

    TODO

• firstFboId

  • 类型: int
  • 修饰符: private
  • 源码定位: L15
  • 说明:

    TODO

• firstFboDepthId

  • 类型: int
  • 修饰符: private
  • 源码定位: L16
  • 说明:

    TODO

• fboCache

  • 类型: Int2IntMap
  • 修饰符: private
  • 源码定位: L17
  • 说明:

    TODO

内部类/嵌套类型

• 无

构造器

protected GlTextureView(GlTexture texture, int baseMipLevel, int mipLevels) @ L19

• 构造器名：GlTextureView
• 源码定位：L19
• 修饰符：protected

参数:

• texture: GlTexture
• baseMipLevel: int
• mipLevels: int

说明:

TODO

方法

下面的方法块按源码顺序生成。

public boolean isClosed() @ L24

• 方法名：isClosed
• 源码定位：L24
• 返回类型：boolean
• 修饰符：public

参数:

• 无

说明:

TODO

public void close() @ L29

• 方法名：close
• 源码定位：L29
• 返回类型：void
• 修饰符：public

参数:

• 无

说明:

TODO

public int getFbo(DirectStateAccess dsa, GpuTexture depth) @ L46

• 方法名：getFbo
• 源码定位：L46
• 返回类型：int
• 修饰符：public

参数:

• dsa: DirectStateAccess
• depth: GpuTexture

说明:

TODO

private int createFbo(DirectStateAccess dsa, int depthid) @ L63

• 方法名：createFbo
• 源码定位：L63
• 返回类型：int
• 修饰符：private

参数:

• dsa: DirectStateAccess
• depthid: int

说明:

TODO

public GlTexture texture() @ L69

• 方法名：texture
• 源码定位：L69
• 返回类型：GlTexture
• 修饰符：public

参数:

• 无

说明:

TODO

代码

@OnlyIn(Dist.CLIENT)
public class GlTextureView extends GpuTextureView {
    private static final int EMPTY = -1;
    private boolean closed;
    private int firstFboId = -1;
    private int firstFboDepthId = -1;
    private @Nullable Int2IntMap fboCache;
 
    protected GlTextureView(GlTexture texture, int baseMipLevel, int mipLevels) {
        super(texture, baseMipLevel, mipLevels);
        texture.addViews();
    }
 
    @Override
    public boolean isClosed() {
        return this.closed;
    }
 
    @Override
    public void close() {
        if (!this.closed) {
            this.closed = true;
            this.texture().removeViews();
            if (this.firstFboId != -1) {
                GlStateManager._glDeleteFramebuffers(this.firstFboId);
            }
 
            if (this.fboCache != null) {
                for (int fbo : this.fboCache.values()) {
                    GlStateManager._glDeleteFramebuffers(fbo);
                }
            }
        }
    }
 
    public int getFbo(DirectStateAccess dsa, @Nullable GpuTexture depth) {
        int depthId = depth == null ? 0 : ((GlTexture)depth).id;
        if (this.firstFboDepthId == depthId) {
            return this.firstFboId;
        } else if (this.firstFboId == -1) {
            this.firstFboId = this.createFbo(dsa, depthId);
            this.firstFboDepthId = depthId;
            return this.firstFboId;
        } else {
            if (this.fboCache == null) {
                this.fboCache = new Int2IntArrayMap();
            }
 
            return this.fboCache.computeIfAbsent(depthId, _depthId -> this.createFbo(dsa, _depthId));
        }
    }
 
    private int createFbo(DirectStateAccess dsa, int depthid) {
        int fbo = dsa.createFrameBufferObject();
        dsa.bindFrameBufferTextures(fbo, this.texture().id, depthid, this.baseMipLevel(), 0);
        return fbo;
    }
 
    public GlTexture texture() {
        return (GlTexture)super.texture();
    }
}

引用的其他类

• DirectStateAccess

  • 引用位置: 参数

• GlStateManager

  • 引用位置: 方法调用
  • 关联成员: GlStateManager._glDeleteFramebuffers()

• GlTexture

  • 引用位置: 参数/返回值

• GpuTexture

  • 引用位置: 参数

• GpuTextureView

  • 引用位置: 继承