Class DrawCommandGenerator

constructor

• new DrawCommandGenerator(
      inputValue: IV_DrawCommandGenerator,
  ): DrawCommandGenerator

  Parameters

  • inputValue: IV_DrawCommandGenerator

  Returns DrawCommandGenerator

clock

device

inputDC

MSAA

parent

pointers

resources

scene

formatLocationStringOfAttribute

• formatLocationStringOfAttribute(
      values: IV_DC,
      location: number,
      name: string,
      format: string,
  ): string

  Parameters

  • values: IV_DC
  • location: number
  • name: string
  • format: string

  Returns string

generateDrawCommand

• generateDrawCommand(values: IV_DC): BaseDrawCommand

  生成DrawCommand

  Parameters

  • values: IV_DC

  Returns BaseDrawCommand

getWgslValueFormat

• getWgslValueFormat(format: string): string

  获取attribute的属性格式转换为wgsl的变量格式

  Parameters

  • format: string

    string

  Returns string

  string

initPipeLine

• initPipeLine(
      values: IV_DC,
      vertex: { name: string; vs: GPUVertexState },
      fragment: { fs: undefined | GPUFragmentState; name: string },
      DC_bindGroupLayouts: GPUBindGroupLayout[],
  ): GPURenderPipeline

  Parameters

  • values: IV_DC
  • vertex: { name: string; vs: GPUVertexState }
  • fragment: { fs: undefined | GPUFragmentState; name: string }
  • DC_bindGroupLayouts: GPUBindGroupLayout[]

  Returns GPURenderPipeline

initShaderModule

• initShaderModule(
      values: IV_DC,
      DC_vertexNames: string[],
      DC_localtions: string[],
      DC_verticesBufferLayout: GPUVertexBufferLayout[],
  ): {
      fragment: undefined | GPUFragmentState;
      fragmentName: string;
      vertex: GPUVertexState;
      vertexName: string;
  }

  shaderModule 编译 1、反射顶点名称到shader code的顶点属性的占位符中 2、编译VS shader code 到 shader module 3、如果有fragment shader，编译shader module 4、创建GPURenderPipelineDescriptor的vertex部分和fragment部分

  Parameters

  • values: IV_DC
  • DC_vertexNames: string[]
  • DC_localtions: string[]
  • DC_verticesBufferLayout: GPUVertexBufferLayout[]

  Returns {
      fragment: undefined | GPUFragmentState;
      fragmentName: string;
      vertex: GPUVertexState;
      vertexName: string;
  }

initUniformPart

• initUniformPart(
      values: IV_DC,
  ): {
      DC_bindGroupLayouts: GPUBindGroupLayout[];
      DC_bindGroups: (undefined | GPUBindGroup)[];
  }

  初始化uniform部分

  Parameters

  • values: IV_DC

  Returns {
      DC_bindGroupLayouts: GPUBindGroupLayout[];
      DC_bindGroups: (undefined | GPUBindGroup)[];
  }

  GPUBindGroup[] and GPUBindGroupLayout[]

initVertexPart

• initVertexPart(
      values: IV_DC,
  ): {
      DC_indexBuffer: undefined | I_pointerStruct | I_VertexBufferEntry;
      DC_localtions: string[];
      DC_vertexBuffers: (I_pointerStruct | I_VertexBufferEntry)[];
      DC_vertexNames: string[];
      DC_verticesBufferLayout: GPUVertexBufferLayout[];
  }

  初始化顶点资源

  1、顶点资源 2、索引资源

  Parameters

  • values: IV_DC

  Returns {
      DC_indexBuffer: undefined | I_pointerStruct | I_VertexBufferEntry;
      DC_localtions: string[];
      DC_vertexBuffers: (I_pointerStruct | I_VertexBufferEntry)[];
      DC_vertexNames: string[];
      DC_verticesBufferLayout: GPUVertexBufferLayout[];
  }