Пример #1
0
void OpenGLShaderQuad::SetParametersFromList(IPluginObjectInstance *pInstance) {
  for(int i=0;i<shaderParams.size();i++) {
    OpenGLShaderParameter *param = shaderParams[i];
    std::string name = param->GetName();

    unsigned int idParam = program->GetUniform(name.c_str());
    if (idParam == -1) {  // missing in shader
      if (!param->WarningIssued()) {
        pInstance->GetLogger()->Error("Parameter '%s' not found in shader!", name.c_str());
        param->SetWarningFlag();
      }
      continue;
    }

    switch(param->GetType()) {
      case kParamType_Float :
        glUniform1f(idParam, param->GetFloat()); 
        break;
      case kParamType_Vec3 :
        {
          float tmp[3];
          param->GetVec3(tmp);
          glUniform3f(idParam, tmp[0], tmp[1], tmp[2]);
        }
        break;
      default :
        // not supported just yet...
        break;
    }


  }
}
Пример #2
0
void OpenGLShaderQuad::SetParametersFromList(IPluginObjectInstance *pInstance) {
  for(int i=0;i<shaderParams.size();i++) {
    OpenGLShaderParameter *param = shaderParams[i];
    std::string name = param->GetName();

    int idParam = program->GetUniform(name.c_str());
    if (idParam == -1) {  // missing in shader
      if (!param->WarningIssued()) {
        pInstance->GetLogger()->Error("Parameter '%s' not found in shader!", name.c_str());
        param->SetWarningFlag();
        exit(1);
      }
      continue;
    }

    // printf("%d:%s\n",i,name.c_str());

    switch(param->GetType()) {
      case kParamType_Float :
        glUniform1f(idParam, param->GetFloat()); 
        break;
      case kParamType_Vec3 :
        {
          float tmp[3];
          param->GetVec3(tmp);
          glUniform3f(idParam, tmp[0], tmp[1], tmp[2]);
        }
        break;
      case kParamType_Texture :
        {
          glActiveTexture(GL_TEXTURE0+texture_count);        
          glBindTexture(GL_TEXTURE_2D,param->GetTexture());
          glUniform1i(idParam, texture_count); // texture_count);  
          int err = glGetError();
          if (err != GL_NO_ERROR) {
            pInstance->GetLogger()->Error("Unable to bind texture for param: %s (error=%d)",name.c_str(),err);
          }
          texture_count++;

        }
      default :
        // not supported just yet...
        break;
    }


  }
}