Esempi in C++ (Cpp) per video_shader_parse_find_parameter

Esempio n. 1

File: video_shader_parse.c Progetto: dankcushions/RetroArch

/** 
 * video_shader_set_current_parameters:
 * @conf              : Preset file to read from.
 * @shader            : Shader passes handle.
 *
 * Reads the current value for all parameters from config file.
 *
 * Returns: true (1) if successful, otherwise false (0).
 **/
bool video_shader_resolve_current_parameters(config_file_t *conf,
      struct video_shader *shader)
{
   char parameters[4096];
   const char *id        = NULL;
   char *save            = NULL;

   if (!conf)
      return false;

   parameters[0] = '\0';

   /* Read in parameters which override the defaults. */
   if (!config_get_array(conf, "parameters",
            parameters, sizeof(parameters)))
      return true;

   for (id = strtok_r(parameters, ";", &save); id; 
         id = strtok_r(NULL, ";", &save))
   {
      struct video_shader_parameter *parameter = (struct video_shader_parameter*)
         video_shader_parse_find_parameter(shader->parameters, shader->num_parameters, id);

      if (!parameter)
      {
         RARCH_WARN("[CGP/GLSLP]: Parameter %s is set in the preset, but no shader uses this parameter, ignoring.\n", id);
         continue;
      }

      if (!config_get_float(conf, id, &parameter->current))
         RARCH_WARN("[CGP/GLSLP]: Parameter %s is not set in preset.\n", id);
   }
   return true;
}

Esempio n. 2

File: video_shader_parse.c Progetto: ioev/RetroArch

/** 
 * video_shader_resolve_parameters:
 * @conf              : Preset file to read from.
 * @shader            : Shader passes handle.
 *
 * Resolves all shader parameters belonging to shaders. 
 *
 * Returns: true (1) if successful, otherwise false (0).
 **/
bool video_shader_resolve_parameters(config_file_t *conf,
      struct video_shader *shader)
{
   unsigned i;
   struct video_shader_parameter *param = 
      &shader->parameters[shader->num_parameters];

   shader->num_parameters = 0;

   /* Find all parameters in our shaders. */

   for (i = 0; i < shader->passes; i++)
   {
      char line[4096] = {0};
      FILE *file = fopen(shader->pass[i].source.path, "r");

      if (!file)
         continue;

      while (shader->num_parameters < ARRAY_SIZE(shader->parameters)
            && fgets(line, sizeof(line), file))
      {
         int ret = sscanf(line,
               "#pragma parameter %63s \"%63[^\"]\" %f %f %f %f",
               param->id, param->desc, &param->initial,
               &param->minimum, &param->maximum, &param->step);

         if (ret < 5)
            continue;

         param->id[63]   = '\0';
         param->desc[63] = '\0';

         if (ret == 5)
            param->step = 0.1f * (param->maximum - param->minimum);

         RARCH_LOG("Found #pragma parameter %s (%s) %f %f %f %f\n",
               param->desc, param->id, param->initial,
               param->minimum, param->maximum, param->step);
         param->current = param->initial;

         shader->num_parameters++;
         param++;
      }

      fclose(file);
   }

   if (conf)
   {
      /* Read in parameters which override the defaults. */
      char parameters[4096] = {0};
      const char *id        = NULL;
      char *save            = NULL;

      if (!config_get_array(conf, "parameters",
               parameters, sizeof(parameters)))
         return true;

      for (id = strtok_r(parameters, ";", &save); id; 
            id = strtok_r(NULL, ";", &save))
      {
         struct video_shader_parameter *parameter = (struct video_shader_parameter*)
            video_shader_parse_find_parameter(shader->parameters, shader->num_parameters, id);

         if (!parameter)
         {
            RARCH_WARN("[CGP/GLSLP]: Parameter %s is set in the preset, but no shader uses this parameter, ignoring.\n", id);
            continue;
         }

         if (!config_get_float(conf, id, &parameter->current))
            RARCH_WARN("[CGP/GLSLP]: Parameter %s is not set in preset.\n", id);
      }
   }

   return true;
}