flycast/core/ui/mainui.cpp

128 lines
2.9 KiB
C++

/*
Copyright 2020 flyinghead
This file is part of Flycast.
Flycast is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 2 of the License, or
(at your option) any later version.
Flycast is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with Flycast. If not, see <https://www.gnu.org/licenses/>.
*/
#include "mainui.h"
#include "hw/pvr/Renderer_if.h"
#include "gui.h"
#include "oslib/oslib.h"
#include "wsi/context.h"
#include "cfg/option.h"
#include "emulator.h"
#include "imgui_driver.h"
#include "profiler/fc_profiler.h"
#include <chrono>
#include <thread>
static bool mainui_enabled;
u32 MainFrameCount;
static bool forceReinit;
bool mainui_rend_frame()
{
FC_PROFILE_SCOPE;
os_DoEvents();
os_UpdateInputState();
if (gui_is_open() || gui_state == GuiState::VJoyEdit)
{
gui_display_ui();
// TODO refactor android vjoy out of renderer
if (gui_state == GuiState::VJoyEdit && renderer != nullptr)
renderer->DrawOSD(true);
#ifndef TARGET_IPHONE
std::this_thread::sleep_for(std::chrono::milliseconds(16));
#endif
}
else
{
try {
if (!emu.render())
return false;
if (config::ProfilerEnabled && config::ProfilerDrawToGUI)
gui_display_profiler();
} catch (const FlycastException& e) {
gui_stop_game(e.what());
return false;
}
}
MainFrameCount++;
return true;
}
void mainui_init()
{
if (!rend_init_renderer()) {
ERROR_LOG(RENDERER, "Renderer initialization failed");
gui_error("Renderer initialization failed.\nPlease select a different graphics API");
}
}
void mainui_term()
{
rend_term_renderer();
}
void mainui_loop()
{
ThreadName _("Flycast-rend");
mainui_enabled = true;
mainui_init();
RenderType currentRenderer = config::RendererType;
while (mainui_enabled)
{
fc_profiler::startThread("main");
mainui_rend_frame();
if (imguiDriver == nullptr)
forceReinit = true;
else
imguiDriver->present();
if (config::RendererType != currentRenderer || forceReinit)
{
mainui_term();
int prevApi = isOpenGL(currentRenderer) ? 0 : isVulkan(currentRenderer) ? 1 : currentRenderer == RenderType::DirectX9 ? 2 : 3;
int newApi = isOpenGL(config::RendererType) ? 0 : isVulkan(config::RendererType) ? 1 : config::RendererType == RenderType::DirectX9 ? 2 : 3;
if (newApi != prevApi || forceReinit)
switchRenderApi();
mainui_init();
forceReinit = false;
currentRenderer = config::RendererType;
}
fc_profiler::endThread(config::ProfilerFrameWarningTime);
}
mainui_term();
}
void mainui_stop()
{
mainui_enabled = false;
}
void mainui_reinit()
{
forceReinit = true;
}