void BlenderSession::do_write_update_render_result(BL::RenderResult b_rr, BL::RenderLayer b_rlay, RenderTile& rtile, bool do_update_only) { RenderBuffers *buffers = rtile.buffers; /* copy data from device */ if(!buffers->copy_from_device()) return; BufferParams& params = buffers->params; float exposure = scene->film->exposure; vector<float> pixels(params.width*params.height*4); if(!do_update_only) { /* copy each pass */ BL::RenderLayer::passes_iterator b_iter; for(b_rlay.passes.begin(b_iter); b_iter != b_rlay.passes.end(); ++b_iter) { BL::RenderPass b_pass(*b_iter); /* find matching pass type */ PassType pass_type = get_pass_type(b_pass); int components = b_pass.channels(); /* copy pixels */ if(!buffers->get_pass_rect(pass_type, exposure, rtile.sample, components, &pixels[0])) memset(&pixels[0], 0, pixels.size()*sizeof(float)); b_pass.rect(&pixels[0]); } } else { /* copy combined pass */ BL::RenderPass b_combined_pass(b_rlay.passes.find_by_type(BL::RenderPass::type_COMBINED, b_rview_name.c_str())); if(buffers->get_pass_rect(PASS_COMBINED, exposure, rtile.sample, 4, &pixels[0])) b_combined_pass.rect(&pixels[0]); } /* tag result as updated */ b_engine.update_result(b_rr); }