Exemple #1
0
bool OSLRenderServices::environment(ustring filename,
                                    TextureHandle *texture_handle,
                                    TexturePerthread *thread_info,
                                    TextureOpt &options,
                                    OSL::ShaderGlobals *sg,
                                    const OSL::Vec3 &R,
                                    const OSL::Vec3 &dRdx,
                                    const OSL::Vec3 &dRdy,
                                    int nchannels,
                                    float *result,
                                    float *dresultds,
                                    float *dresultdt,
                                    ustring *errormessage)
{
  OSLTextureHandle *handle = (OSLTextureHandle *)texture_handle;
  OSL::TextureSystem *ts = texture_system;
  bool status = false;

  if (handle && handle->oiio_handle) {
    if (thread_info == NULL) {
      ShaderData *sd = (ShaderData *)(sg->renderstate);
      KernelGlobals *kernel_globals = sd->osl_globals;
      OSLThreadData *tdata = kernel_globals->osl_tdata;
      thread_info = tdata->oiio_thread_info;
    }

    status = ts->environment(handle->oiio_handle,
                             thread_info,
                             options,
                             R,
                             dRdx,
                             dRdy,
                             nchannels,
                             result,
                             dresultds,
                             dresultdt);
  }
  else {
    status = ts->environment(
        filename, options, R, dRdx, dRdy, nchannels, result, dresultds, dresultdt);
  }

  if (!status) {
    if (nchannels == 3 || nchannels == 4) {
      result[0] = 1.0f;
      result[1] = 0.0f;
      result[2] = 1.0f;

      if (nchannels == 4)
        result[3] = 1.0f;
    }
  }
  else if (handle && handle->processor) {
    ColorSpaceManager::to_scene_linear(handle->processor, result, nchannels);
  }

  return status;
}
bool OSLRenderServices::environment(ustring filename, TextureOpt &options,
                                    OSL::ShaderGlobals *sg, const OSL::Vec3 &R,
                                    const OSL::Vec3 &dRdx, const OSL::Vec3 &dRdy, float *result)
{
	OSL::TextureSystem *ts = osl_ts;
	ShaderData *sd = (ShaderData *)(sg->renderstate);
	KernelGlobals *kg = sd->osl_globals;
	OSLThreadData *tdata = kg->osl_tdata;
	OIIO::TextureSystem::Perthread *thread_info = tdata->oiio_thread_info;

	OIIO::TextureSystem::TextureHandle *th =  ts->get_texture_handle(filename, thread_info);
	bool status = ts->environment(th, thread_info,
	                              options, R, dRdx, dRdy, result);

	if(!status) {
		if(options.nchannels == 3 || options.nchannels == 4) {
			result[0] = 1.0f;
			result[1] = 0.0f;
			result[2] = 1.0f;

			if(options.nchannels == 4)
				result[3] = 1.0f;
		}
	}

	return status;
}
bool OSLRenderServices::environment(ustring filename, TextureOpt &options,
                                    OSL::ShaderGlobals *sg, const OSL::Vec3 &R,
                                    const OSL::Vec3 &dRdx, const OSL::Vec3 &dRdy, float *result)
{
    OSL::TextureSystem *ts = kernel_globals->osl->ts;
    bool status = ts->environment(filename, options, R, dRdx, dRdy, result);

    if(!status) {
        if(options.nchannels == 3 || options.nchannels == 4) {
            result[0] = 1.0f;
            result[1] = 0.0f;
            result[2] = 1.0f;

            if(options.nchannels == 4)
                result[3] = 1.0f;
        }
    }

    return status;
}