// Initialize an EGL context for the current display.
int Engine::InitDisplay(const int32_t cmd) {
if (!initialized_resources_) {
gl_context_->Init(app_->window);
InitUI();
gl_context_->SetSwapInterval(0); // Set interval of 0 for a benchmark
LoadResources();
initialized_resources_ = true;
} else {
// initialize OpenGL ES and EGL
if (EGL_SUCCESS != gl_context_->Resume(app_->window)) {
UnloadResources();
LoadResources();
}
jui_helper::JUIWindow::GetInstance()->Resume(app_->activity, cmd);
}
ShowUI();
// Initialize GL state.
glEnable(GL_CULL_FACE);
glEnable(GL_DEPTH_TEST);
glDepthFunc(GL_LEQUAL);
// Note that screen size might have been changed
glViewport(0, 0, gl_context_->GetScreenWidth(),
gl_context_->GetScreenHeight());
renderer_.UpdateViewport();
tap_camera_.SetFlip(1.f, -1.f, -1.f);
tap_camera_.SetPinchTransformFactor(2.f, 2.f, 8.f);
return 0;
}
