/**
 * Copyright (c) 2021 Dominic Masters
 * 
 * This software is released under the MIT License.
 * https://opensource.org/licenses/MIT
 */

#include "shader.h"

assetmanageritem_t * assetManagerLoadShader(
  assetmanager_t *manager, assetmanagerowner_t owner,
  char *fileVert, char *fileFrag
) {
  assetmanageritem_t *item;
  char buffer[ASSET_MANAGER_ITEM_NAME_MAX];
  sprintf(buffer, "%s/%s", fileVert, fileFrag);
  item = assetManagerItemGet(manager, buffer);
  if(item == NULL) {
    item = assetManagerItemAdd(manager, buffer);
    item->type = ASSET_MANAGER_TYPE_SHADER;
    item->data.shader.fileVert = fileVert;
    item->data.shader.fileFrag = fileFrag;
  }
  assetManagerItemGetOrAddHolder(item, owner);
  return item;
}

bool _assetManagerLoaderShaderAsync(assetmanageritem_t *item) {
  item->data.shader.dataVert = assetStringLoad(item->data.shader.fileVert);
  if(item->data.shader.dataVert == NULL) return false;

  item->data.shader.dataFrag = assetStringLoad(item->data.shader.fileFrag);
  if(item->data.shader.dataFrag == NULL) {
    free(item->data.shader.fileVert);
    return false;
  }
  
  return true;
}

bool _assetManagerLoaderShaderSync(assetmanageritem_t *item) {
  shaderInit(
    &item->data.shader.shader,
    item->data.shader.dataVert,
    item->data.shader.dataFrag
  );
  free(item->data.shader.dataFrag);
  free(item->data.shader.dataVert);
  return true;
}

bool _assetManagerLoaderShaderDispose(assetmanageritem_t *item) {
  shaderDispose(&item->data.shader.shader);
  return true;
}