Function executeCommandsInViewport

packages/engine/Source/Scene/Scene.js:3495–3515

* Execute the draw commands to render the scene into the viewport. * If this is the first viewport rendered, the framebuffers will be cleared to the background color. * * @param {boolean} firstViewport true if this is the first viewport rendered. * @param {Scene} scene * @param {Pa

(firstViewport, scene, passState)

 * @private
 */
function executeCommandsInViewport(firstViewport, scene, passState) {
  const view = scene._view;
  const { renderTranslucentDepthForPick } = scene._environmentState;

  if (!firstViewport) {
    scene.frameState.commandList.length = 0;
  }

  updateAndRenderPrimitives(scene);

  view.createPotentiallyVisibleSet(scene);

  if (firstViewport) {
    executeComputeCommands(scene);
    if (!renderTranslucentDepthForPick) {
      executeShadowMapCastCommands(scene);
    }
  }

  executeCommands(scene, passState);
}

const scratchCullingVolume = new CullingVolume();