Add NoGUI frontend based on old SDL frontend + fullscreen UI
This commit is contained in:
Connor McLaughlin
661
src/duckstation-nogui/sdl_host_interface.cpp
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661
src/duckstation-nogui/sdl_host_interface.cpp
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#include "sdl_host_interface.h"
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#include "common/assert.h"
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#include "common/byte_stream.h"
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#include "common/file_system.h"
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#include "common/image.h"
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#include "common/log.h"
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#include "common/string_util.h"
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#include "core/gpu.h"
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#include "core/host_display.h"
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#include "core/system.h"
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#include "frontend-common/fullscreen_ui.h"
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#include "frontend-common/icon.h"
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#include "frontend-common/imgui_fullscreen.h"
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#include "frontend-common/imgui_styles.h"
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#include "frontend-common/ini_settings_interface.h"
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#include "frontend-common/opengl_host_display.h"
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#include "frontend-common/sdl_audio_stream.h"
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#include "frontend-common/sdl_controller_interface.h"
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#include "frontend-common/vulkan_host_display.h"
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#include "imgui.h"
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#include "imgui_impl_sdl.h"
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#include "imgui_stdlib.h"
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#include "scmversion/scmversion.h"
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#include "sdl_key_names.h"
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#include "sdl_util.h"
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#include <cinttypes>
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#include <cmath>
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Log_SetChannel(SDLHostInterface);
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#ifdef WIN32
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#include "frontend-common/d3d11_host_display.h"
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#endif
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SDLHostInterface::SDLHostInterface()
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{
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m_run_later_event_id = SDL_RegisterEvents(1);
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}
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SDLHostInterface::~SDLHostInterface() = default;
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const char* SDLHostInterface::GetFrontendName() const
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{
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return "DuckStation NoGUI Frontend";
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}
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ALWAYS_INLINE static TinyString GetWindowTitle()
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{
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return TinyString::FromFormat("DuckStation %s (%s)", g_scm_tag_str, g_scm_branch_str);
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}
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bool SDLHostInterface::CreateSDLWindow()
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{
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static constexpr u32 DEFAULT_WINDOW_WIDTH = 1280;
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static constexpr u32 DEFAULT_WINDOW_HEIGHT = 720;
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// Create window.
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const u32 window_flags = SDL_WINDOW_SHOWN | SDL_WINDOW_RESIZABLE | SDL_WINDOW_ALLOW_HIGHDPI;
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u32 window_width = DEFAULT_WINDOW_WIDTH;
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u32 window_height = DEFAULT_WINDOW_HEIGHT;
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// macOS does DPI scaling differently..
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#ifndef __APPLE__
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{
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// scale by default monitor's DPI
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float scale = SDLUtil::GetDPIScaleFactor(nullptr);
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window_width = static_cast<u32>(std::round(static_cast<float>(window_width) * scale));
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window_height = static_cast<u32>(std::round(static_cast<float>(window_height) * scale));
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}
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#endif
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m_window = SDL_CreateWindow(GetWindowTitle(), SDL_WINDOWPOS_UNDEFINED, SDL_WINDOWPOS_UNDEFINED, window_width,
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window_height, window_flags);
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if (!m_window)
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return false;
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// Set window icon.
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SDL_Surface* icon_surface =
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SDL_CreateRGBSurfaceFrom(const_cast<unsigned int*>(WINDOW_ICON_DATA), WINDOW_ICON_WIDTH, WINDOW_ICON_HEIGHT, 32,
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WINDOW_ICON_WIDTH * sizeof(u32), UINT32_C(0x000000FF), UINT32_C(0x0000FF00),
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UINT32_C(0x00FF0000), UINT32_C(0xFF000000));
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if (icon_surface)
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{
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SDL_SetWindowIcon(m_window, icon_surface);
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SDL_FreeSurface(icon_surface);
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}
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if (m_fullscreen)
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SDL_SetWindowFullscreen(m_window, SDL_WINDOW_FULLSCREEN_DESKTOP);
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// Process events so that we have everything sorted out before creating a child window for the GL context (X11).
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SDL_PumpEvents();
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return true;
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}
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void SDLHostInterface::DestroySDLWindow()
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{
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SDL_DestroyWindow(m_window);
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m_window = nullptr;
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}
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bool SDLHostInterface::CreateDisplay()
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{
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std::optional<WindowInfo> wi = SDLUtil::GetWindowInfoForSDLWindow(m_window);
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if (!wi.has_value())
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{
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ReportError("Failed to get window info from SDL window");
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return false;
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}
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switch (g_settings.gpu_renderer)
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{
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case GPURenderer::HardwareVulkan:
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m_display = std::make_unique<FrontendCommon::VulkanHostDisplay>();
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break;
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case GPURenderer::HardwareOpenGL:
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#ifndef WIN32
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default:
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#endif
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m_display = std::make_unique<FrontendCommon::OpenGLHostDisplay>();
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break;
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#ifdef WIN32
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case GPURenderer::HardwareD3D11:
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default:
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m_display = std::make_unique<FrontendCommon::D3D11HostDisplay>();
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break;
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#endif
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}
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Assert(m_display);
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if (!m_display->CreateRenderDevice(wi.value(), g_settings.gpu_adapter, g_settings.gpu_use_debug_device,
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g_settings.gpu_threaded_presentation) ||
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!m_display->InitializeRenderDevice(GetShaderCacheBasePath(), g_settings.gpu_use_debug_device,
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g_settings.gpu_threaded_presentation))
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{
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ReportError("Failed to create/initialize display render device");
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m_display.reset();
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return false;
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}
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if (!ImGui_ImplSDL2_Init(m_window) || !m_display->CreateImGuiContext())
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{
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ReportError("Failed to initialize ImGui SDL2 wrapper");
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ImGui_ImplSDL2_Shutdown();
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m_display->DestroyRenderDevice();
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m_display.reset();
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return false;
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}
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if (!FullscreenUI::Initialize(this, m_settings_interface.get()) || !m_display->UpdateImGuiFontTexture())
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{
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ReportError("Failed to initialize fonts/fullscreen UI");
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FullscreenUI::Shutdown();
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m_display->DestroyImGuiContext();
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ImGui_ImplSDL2_Shutdown();
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m_display->DestroyRenderDevice();
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m_display.reset();
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return false;
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}
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m_fullscreen_ui_enabled = true;
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return true;
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}
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void SDLHostInterface::DestroyDisplay()
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{
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FullscreenUI::Shutdown();
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m_display->DestroyImGuiContext();
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m_display->DestroyRenderDevice();
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m_display.reset();
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}
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void SDLHostInterface::CreateImGuiContext()
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{
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const float framebuffer_scale = SDLUtil::GetDPIScaleFactor(m_window);
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ImGui::CreateContext();
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ImGui::GetIO().IniFilename = nullptr;
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ImGui::GetIO().ConfigFlags |= ImGuiConfigFlags_NavEnableKeyboard | ImGuiConfigFlags_NavEnableGamepad;
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ImGui::GetIO().DisplayFramebufferScale.x = framebuffer_scale;
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ImGui::GetIO().DisplayFramebufferScale.y = framebuffer_scale;
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ImGui::GetStyle().ScaleAllSizes(framebuffer_scale);
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ImGui::StyleColorsDarker();
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}
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void SDLHostInterface::UpdateFramebufferScale()
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{
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ImGuiIO& io = ImGui::GetIO();
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const float framebuffer_scale = SDLUtil::GetDPIScaleFactor(m_window);
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if (framebuffer_scale != io.DisplayFramebufferScale.x)
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{
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io.DisplayFramebufferScale = ImVec2(framebuffer_scale, framebuffer_scale);
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ImGui::GetStyle().ScaleAllSizes(framebuffer_scale);
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}
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if (ImGuiFullscreen::UpdateLayoutScale())
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{
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if (ImGuiFullscreen::UpdateFonts())
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{
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if (!m_display->UpdateImGuiFontTexture())
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Panic("Failed to update font texture");
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}
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}
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}
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bool SDLHostInterface::AcquireHostDisplay()
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{
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// Handle renderer switch if required.
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const HostDisplay::RenderAPI render_api = m_display->GetRenderAPI();
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bool needs_switch = false;
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switch (g_settings.gpu_renderer)
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{
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#ifdef WIN32
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case GPURenderer::HardwareD3D11:
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needs_switch = (render_api != HostDisplay::RenderAPI::D3D11);
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break;
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#endif
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case GPURenderer::HardwareVulkan:
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needs_switch = (render_api != HostDisplay::RenderAPI::Vulkan);
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break;
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case GPURenderer::HardwareOpenGL:
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needs_switch = (render_api != HostDisplay::RenderAPI::OpenGL && render_api != HostDisplay::RenderAPI::OpenGLES);
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break;
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case GPURenderer::Software:
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default:
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needs_switch = false;
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break;
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}
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if (needs_switch)
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{
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ImGui::EndFrame();
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DestroyDisplay();
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// We need to recreate the window, otherwise bad things happen...
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DestroySDLWindow();
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if (!CreateSDLWindow())
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Panic("Failed to recreate SDL window on GPU renderer switch");
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if (!CreateDisplay())
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Panic("Failed to recreate display on GPU renderer switch");
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ImGui::NewFrame();
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}
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if (!CreateHostDisplayResources())
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return false;
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return true;
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}
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void SDLHostInterface::ReleaseHostDisplay()
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{
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ReleaseHostDisplayResources();
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// restore vsync, since we don't want to burn cycles at the menu
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m_display->SetVSync(true);
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}
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std::optional<CommonHostInterface::HostKeyCode> SDLHostInterface::GetHostKeyCode(const std::string_view key_code) const
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{
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const std::optional<u32> code = SDLKeyNames::ParseKeyString(key_code);
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if (!code)
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return std::nullopt;
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return static_cast<HostKeyCode>(*code);
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}
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void SDLHostInterface::UpdateInputMap()
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{
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CommonHostInterface::UpdateInputMap(*m_settings_interface.get());
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}
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void SDLHostInterface::OnSystemCreated()
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{
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CommonHostInterface::OnSystemCreated();
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FullscreenUI::SystemCreated();
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}
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void SDLHostInterface::OnSystemPaused(bool paused)
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{
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CommonHostInterface::OnSystemPaused(paused);
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FullscreenUI::SystemPaused(paused);
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}
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void SDLHostInterface::OnSystemDestroyed()
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{
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CommonHostInterface::OnSystemDestroyed();
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ReportFormattedMessage("System shut down.");
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FullscreenUI::SystemDestroyed();
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}
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void SDLHostInterface::OnRunningGameChanged()
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{
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CommonHostInterface::OnRunningGameChanged();
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Settings old_settings(std::move(g_settings));
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CommonHostInterface::LoadSettings(*m_settings_interface.get());
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CommonHostInterface::ApplyGameSettings(true);
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CommonHostInterface::FixIncompatibleSettings(true);
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CheckForSettingsChanges(old_settings);
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if (!System::GetRunningTitle().empty())
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SDL_SetWindowTitle(m_window, System::GetRunningTitle().c_str());
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else
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SDL_SetWindowTitle(m_window, GetWindowTitle());
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}
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void SDLHostInterface::RequestExit()
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{
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m_quit_request = true;
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}
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void SDLHostInterface::RunLater(std::function<void()> callback)
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{
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SDL_Event ev = {};
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ev.type = SDL_USEREVENT;
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ev.user.code = m_run_later_event_id;
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ev.user.data1 = new std::function<void()>(std::move(callback));
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SDL_PushEvent(&ev);
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}
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void SDLHostInterface::ApplySettings(bool display_osd_messages)
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{
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Settings old_settings(std::move(g_settings));
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CommonHostInterface::LoadSettings(*m_settings_interface.get());
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CommonHostInterface::ApplyGameSettings(display_osd_messages);
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CommonHostInterface::FixIncompatibleSettings(display_osd_messages);
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CheckForSettingsChanges(old_settings);
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}
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bool SDLHostInterface::IsFullscreen() const
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{
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return m_fullscreen;
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}
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bool SDLHostInterface::SetFullscreen(bool enabled)
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{
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if (m_fullscreen == enabled)
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return true;
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SDL_SetWindowFullscreen(m_window, enabled ? SDL_WINDOW_FULLSCREEN_DESKTOP : 0);
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int window_width, window_height;
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SDL_GetWindowSize(m_window, &window_width, &window_height);
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m_display->ResizeRenderWindow(window_width, window_height);
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if (!System::IsShutdown())
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g_gpu->UpdateResolutionScale();
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m_fullscreen = enabled;
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return true;
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}
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std::unique_ptr<SDLHostInterface> SDLHostInterface::Create()
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{
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return std::make_unique<SDLHostInterface>();
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}
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bool SDLHostInterface::Initialize()
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{
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if (!CommonHostInterface::Initialize())
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return false;
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// Change to the user directory so that all default/relative paths in the config are after this.
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if (!FileSystem::SetWorkingDirectory(m_user_directory.c_str()))
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Log_ErrorPrintf("Failed to set working directory to '%s'", m_user_directory.c_str());
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if (!CreateSDLWindow())
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{
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Log_ErrorPrintf("Failed to create SDL window");
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return false;
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}
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CreateImGuiContext();
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if (!CreateDisplay())
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{
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Log_ErrorPrintf("Failed to create host display");
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return false;
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}
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// process events to pick up controllers before updating input map
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ProcessEvents();
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UpdateInputMap();
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return true;
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}
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void SDLHostInterface::Shutdown()
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{
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DestroySystem();
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CommonHostInterface::Shutdown();
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if (m_display)
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{
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DestroyDisplay();
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ImGui::DestroyContext();
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}
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if (m_window)
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DestroySDLWindow();
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}
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std::string SDLHostInterface::GetStringSettingValue(const char* section, const char* key,
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const char* default_value /*= ""*/)
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{
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return m_settings_interface->GetStringValue(section, key, default_value);
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}
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bool SDLHostInterface::GetBoolSettingValue(const char* section, const char* key, bool default_value /* = false */)
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{
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return m_settings_interface->GetBoolValue(section, key, default_value);
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}
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int SDLHostInterface::GetIntSettingValue(const char* section, const char* key, int default_value /* = 0 */)
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{
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return m_settings_interface->GetIntValue(section, key, default_value);
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}
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float SDLHostInterface::GetFloatSettingValue(const char* section, const char* key, float default_value /* = 0.0f */)
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{
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return m_settings_interface->GetFloatValue(section, key, default_value);
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}
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bool SDLHostInterface::RequestRenderWindowSize(s32 new_window_width, s32 new_window_height)
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{
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if (new_window_width <= 0 || new_window_height <= 0 || m_fullscreen)
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return false;
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// use imgui scale as the dpr
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const float dpi_scale = ImGui::GetIO().DisplayFramebufferScale.x;
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const s32 scaled_width =
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std::max<s32>(static_cast<s32>(std::ceil(static_cast<float>(new_window_width) * dpi_scale)), 1);
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const s32 scaled_height = std::max<s32>(
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static_cast<s32>(std::ceil(static_cast<float>(new_window_height) * dpi_scale)) + m_display->GetDisplayTopMargin(),
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1);
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SDL_SetWindowSize(m_window, scaled_width, scaled_height);
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s32 window_width, window_height;
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SDL_GetWindowSize(m_window, &window_width, &window_height);
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m_display->ResizeRenderWindow(window_width, window_height);
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UpdateFramebufferScale();
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if (!System::IsShutdown())
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g_gpu->UpdateResolutionScale();
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return true;
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}
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void SDLHostInterface::LoadSettings()
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{
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// Settings need to be loaded prior to creating the window for OpenGL bits.
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m_settings_interface = std::make_unique<INISettingsInterface>(GetSettingsFileName());
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CommonHostInterface::LoadSettings(*m_settings_interface.get());
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CommonHostInterface::FixIncompatibleSettings(false);
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}
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void SDLHostInterface::ReportError(const char* message)
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{
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const bool was_fullscreen = IsFullscreen();
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if (was_fullscreen)
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SetFullscreen(false);
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SDL_ShowSimpleMessageBox(SDL_MESSAGEBOX_ERROR, "DuckStation", message, m_window);
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if (was_fullscreen)
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SetFullscreen(true);
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}
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void SDLHostInterface::ReportMessage(const char* message)
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{
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AddOSDMessage(message, 2.0f);
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||||
}
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||||
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||||
bool SDLHostInterface::ConfirmMessage(const char* message)
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{
|
||||
const bool was_fullscreen = IsFullscreen();
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||||
if (was_fullscreen)
|
||||
SetFullscreen(false);
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||||
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||||
SDL_MessageBoxData mbd = {};
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||||
mbd.flags = SDL_MESSAGEBOX_INFORMATION;
|
||||
mbd.window = m_window;
|
||||
mbd.title = "DuckStation";
|
||||
mbd.message = message;
|
||||
mbd.numbuttons = 2;
|
||||
|
||||
// Why the heck these are reversed I have no idea...
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||||
SDL_MessageBoxButtonData buttons[2] = {};
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||||
buttons[1].flags = SDL_MESSAGEBOX_BUTTON_ESCAPEKEY_DEFAULT;
|
||||
buttons[1].buttonid = 0;
|
||||
buttons[1].text = "Yes";
|
||||
buttons[0].flags = SDL_MESSAGEBOX_BUTTON_RETURNKEY_DEFAULT;
|
||||
buttons[0].buttonid = 1;
|
||||
buttons[0].text = "No";
|
||||
mbd.buttons = buttons;
|
||||
mbd.numbuttons = countof(buttons);
|
||||
|
||||
int button_id = 0;
|
||||
SDL_ShowMessageBox(&mbd, &button_id);
|
||||
const bool result = (button_id == 0);
|
||||
|
||||
if (was_fullscreen)
|
||||
SetFullscreen(true);
|
||||
|
||||
return result;
|
||||
}
|
||||
|
||||
void SDLHostInterface::HandleSDLEvent(const SDL_Event* event)
|
||||
{
|
||||
ImGui_ImplSDL2_ProcessEvent(event);
|
||||
|
||||
if (m_controller_interface &&
|
||||
static_cast<SDLControllerInterface*>(m_controller_interface.get())->ProcessSDLEvent(event))
|
||||
{
|
||||
return;
|
||||
}
|
||||
|
||||
switch (event->type)
|
||||
{
|
||||
case SDL_WINDOWEVENT:
|
||||
{
|
||||
if (event->window.event == SDL_WINDOWEVENT_RESIZED)
|
||||
{
|
||||
m_display->ResizeRenderWindow(event->window.data1, event->window.data2);
|
||||
UpdateFramebufferScale();
|
||||
|
||||
if (!System::IsShutdown())
|
||||
g_gpu->UpdateResolutionScale();
|
||||
}
|
||||
else if (event->window.event == SDL_WINDOWEVENT_MOVED)
|
||||
{
|
||||
UpdateFramebufferScale();
|
||||
}
|
||||
}
|
||||
break;
|
||||
|
||||
case SDL_QUIT:
|
||||
m_quit_request = true;
|
||||
break;
|
||||
|
||||
case SDL_KEYDOWN:
|
||||
case SDL_KEYUP:
|
||||
{
|
||||
if (!ImGui::GetIO().WantCaptureKeyboard && event->key.repeat == 0)
|
||||
{
|
||||
const HostKeyCode code = static_cast<HostKeyCode>(SDLKeyNames::KeyEventToInt(event));
|
||||
const bool pressed = (event->type == SDL_KEYDOWN);
|
||||
HandleHostKeyEvent(code, pressed);
|
||||
}
|
||||
}
|
||||
break;
|
||||
|
||||
case SDL_MOUSEMOTION:
|
||||
{
|
||||
m_display->SetMousePosition(event->motion.x, event->motion.y);
|
||||
}
|
||||
break;
|
||||
|
||||
case SDL_MOUSEBUTTONDOWN:
|
||||
case SDL_MOUSEBUTTONUP:
|
||||
{
|
||||
if (!ImGui::GetIO().WantCaptureMouse)
|
||||
{
|
||||
const s32 button = static_cast<s32>(ZeroExtend32(event->button.button));
|
||||
const bool pressed = (event->type == SDL_MOUSEBUTTONDOWN);
|
||||
HandleHostMouseEvent(button, pressed);
|
||||
}
|
||||
}
|
||||
break;
|
||||
|
||||
case SDL_USEREVENT:
|
||||
{
|
||||
if (static_cast<u32>(event->user.code) == m_run_later_event_id)
|
||||
{
|
||||
std::function<void()>* callback = static_cast<std::function<void()>*>(event->user.data1);
|
||||
Assert(callback);
|
||||
(*callback)();
|
||||
delete callback;
|
||||
}
|
||||
}
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
void SDLHostInterface::PollAndUpdate()
|
||||
{
|
||||
ProcessEvents();
|
||||
CommonHostInterface::PollAndUpdate();
|
||||
}
|
||||
|
||||
void SDLHostInterface::ProcessEvents()
|
||||
{
|
||||
for (;;)
|
||||
{
|
||||
SDL_Event ev;
|
||||
if (SDL_PollEvent(&ev))
|
||||
HandleSDLEvent(&ev);
|
||||
else
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
void SDLHostInterface::Run()
|
||||
{
|
||||
while (!m_quit_request)
|
||||
{
|
||||
PollAndUpdate();
|
||||
|
||||
if (System::IsRunning())
|
||||
{
|
||||
if (m_display_all_frames)
|
||||
System::RunFrame();
|
||||
else
|
||||
System::RunFrames();
|
||||
|
||||
UpdateControllerRumble();
|
||||
if (m_frame_step_request)
|
||||
{
|
||||
m_frame_step_request = false;
|
||||
PauseSystem(true);
|
||||
}
|
||||
}
|
||||
|
||||
// rendering
|
||||
{
|
||||
ImGui_ImplSDL2_NewFrame();
|
||||
FullscreenUI::SetImGuiNavInputs();
|
||||
ImGui::NewFrame();
|
||||
DrawImGuiWindows();
|
||||
ImGui::Render();
|
||||
ImGui::EndFrame();
|
||||
|
||||
m_display->Render();
|
||||
|
||||
if (System::IsRunning())
|
||||
{
|
||||
System::UpdatePerformanceCounters();
|
||||
|
||||
if (m_throttler_enabled)
|
||||
System::Throttle();
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
// Save state on exit so it can be resumed
|
||||
if (!System::IsShutdown())
|
||||
{
|
||||
if (g_settings.save_state_on_exit)
|
||||
SaveResumeSaveState();
|
||||
DestroySystem();
|
||||
}
|
||||
}
|
||||
Reference in New Issue
Block a user