function getCallArgType()

in src/webgpu/shader/execution/expression/call/builtin/texture_utils.ts [1436:1464]

• 29 lines of code
• 11 McCabe index (conditional complexity)

function getCallArgType<T extends Dimensionality>(
  call: TextureCall<T>,
  argName: (typeof kTextureCallArgNames)[number]
) {
  switch (argName) {
    case 'coords':
    case 'derivativeMult':
      return call.coordType;
    case 'component':
      assert(call.componentType !== undefined);
      return call.componentType;
    case 'mipLevel':
      assert(call.levelType !== undefined);
      return call.levelType;
    case 'arrayIndex':
      assert(call.arrayIndexType !== undefined);
      return call.arrayIndexType;
    case 'sampleIndex':
      assert(call.sampleIndexType !== undefined);
      return call.sampleIndexType;
    case 'bias':
    case 'depthRef':
    case 'ddx':
    case 'ddy':
      return 'f';
    default:
      unreachable();
  }
}