Method getInternalFormat

src/backend/web-gl2/kernel.js:250–276

()

    }
  }
  getInternalFormat() {
    const { context: gl } = this;

    if (this.precision === 'single') {
      if (this.pipeline) {
        switch (this.returnType) {
          case 'Number':
          case 'Float':
          case 'Integer':
            if (this.optimizeFloatMemory) {
              return gl.RGBA32F;
            } else {
              return gl.R32F;
            }
            case 'Array(2)':
              return gl.RG32F;
            case 'Array(3)': // there is _no_ 3 channel format which is guaranteed to be color-renderable
            case 'Array(4)':
              return gl.RGBA32F;
            default:
              throw new Error('Unhandled return type');
        }
      }
      return gl.RGBA32F;
    }
    return gl.RGBA;
  }

  _setupOutputTexture() {
    const gl = this.context;