blank-texture.cpp

// Blank texture for silhouette blitting                                                                                                     
SDL_Texture* createBlankTexture(Sint32 w, Sint32 h, SDL_TextureAccess access) {                                                                   
   //Create uninitialized texture                                                                                                                   
  SDL_Texture* newTexture = SDL_CreateTexture(renderer, SDL_PIXELFORMAT_RGBA8888, access, w, h);                                                   
  if(newTexture == NULL) {                                                                                                                         
    printf( "Unable to create blank texture! SDL Error: %s\n", SDL_GetError() );                                                                   
  }                                                                                                                                                
                                                                                                                                                    
  return newTexture;                                                                                                                             
}  

SDL_Texture* silhouetteTexture = createBlankTexture(SCREEN_WIDTH, SCREEN_HEIGHT, SDL_TEXTUREACCESS_TARGET);