webgl

Index

Functions

• getAttributeComponentSize
• getAttributePointerType
• getGLTypeFromSource
• getGlTypeSizeBytes
• isAttributeInSource

Functions

getAttributeComponentSize

• getAttributeComponentSize(gl: WebGLRenderingContext, type: number): number

• Based on the type return the number of attribute components

  https://developer.mozilla.org/en-US/docs/Web/API/WebGLRenderingContext/vertexAttribPointer

  ---

  Parameters

  • gl: WebGLRenderingContext

  • type: number

  Returns number

getAttributePointerType

• getAttributePointerType(gl: WebGLRenderingContext, type: number): 5126 | 5122 | 5123 | 5121 | 5120

• Based on the attribute return the corresponding supported attrib pointer type https://developer.mozilla.org/en-US/docs/Web/API/WebGLRenderingContext/vertexAttribPointer

  ---

  Parameters

  • gl: WebGLRenderingContext

  • type: number

  Returns 5126 | 5122 | 5123 | 5121 | 5120

getGLTypeFromSource

• getGLTypeFromSource(gl: WebGLRenderingContext, source: string, variable: string): 5126 | 5124 | 5125 | 35670 | 5122 | 5123 | 5121 | 5120

• Attempt to discern the glType of an attribute from vertex source

  ---

  Parameters

  • gl: WebGLRenderingContext

  • source: string

  • variable: string

  Returns 5126 | 5124 | 5125 | 35670 | 5122 | 5123 | 5121 | 5120

getGlTypeSizeBytes

• getGlTypeSizeBytes(gl: WebGLRenderingContext, type: number): number

• Return the size of the GlType in bytes

  ---

  Parameters

  • gl: WebGLRenderingContext

  • type: number

  Returns number

isAttributeInSource

• isAttributeInSource(source: string, variable: string): boolean

• Checks if an attribute is present in vertex source

  ---

  Parameters

  • source: string

  • variable: string

  Returns boolean