1 files changed, 167 insertions, 0 deletions
diff --git a/src/citra/emu_window/emu_window_sdl2.cpp b/src/citra/emu_window/emu_window_sdl2.cpp
new file mode 100644
index 000000000..1fed82e78
--- /dev/null
+++ b/src/citra/emu_window/emu_window_sdl2.cpp
@@ -0,0 +1,167 @@
+// Copyright 2016 Citra Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#include <algorithm>
+#include <cstdlib>
+#include <string>
+
+#define SDL_MAIN_HANDLED
+#include <SDL.h>
+
+#include "common/key_map.h"
+#include "common/logging/log.h"
+#include "common/scm_rev.h"
+#include "common/string_util.h"
+
+#include "core/settings.h"
+#include "core/hle/service/hid/hid.h"
+
+#include "citra/emu_window/emu_window_sdl2.h"
+
+#include "video_core/video_core.h"
+
+void EmuWindow_SDL2::OnMouseMotion(s32 x, s32 y) {
+    TouchMoved((unsigned)std::max(x, 0), (unsigned)std::max(y, 0));
+}
+
+void EmuWindow_SDL2::OnMouseButton(u32 button, u8 state, s32 x, s32 y) {
+    if (button != SDL_BUTTON_LEFT)
+        return;
+
+    if (state == SDL_PRESSED) {
+        TouchPressed((unsigned)std::max(x, 0), (unsigned)std::max(y, 0));
+    } else {
+        TouchReleased();
+    }
+}
+
+void EmuWindow_SDL2::OnKeyEvent(int key, u8 state) {
+    if (state == SDL_PRESSED) {
+        KeyPressed({ key, keyboard_id });
+    } else if (state == SDL_RELEASED) {
+        KeyReleased({ key, keyboard_id });
+    }
+}
+
+bool EmuWindow_SDL2::IsOpen() const {
+    return is_open;
+}
+
+void EmuWindow_SDL2::OnResize() {
+    int width, height;
+
+    SDL_GetWindowSize(render_window, &width, &height);
+
+    NotifyFramebufferLayoutChanged(EmuWindow::FramebufferLayout::DefaultScreenLayout(width, height));
+}
+
+EmuWindow_SDL2::EmuWindow_SDL2() {
+    keyboard_id = KeyMap::NewDeviceId();
+
+    ReloadSetKeymaps();
+
+    SDL_SetMainReady();
+
+    // Initialize the window
+    if (SDL_Init(SDL_INIT_VIDEO) < 0) {
+        LOG_CRITICAL(Frontend, "Failed to initialize SDL2! Exiting...");
+        exit(1);
+    }
+
+    SDL_GL_SetAttribute(SDL_GL_CONTEXT_MAJOR_VERSION, 3);
+    SDL_GL_SetAttribute(SDL_GL_CONTEXT_MINOR_VERSION, 3);
+    SDL_GL_SetAttribute(SDL_GL_CONTEXT_PROFILE_MASK, SDL_GL_CONTEXT_PROFILE_CORE);
+    SDL_GL_SetAttribute(SDL_GL_DOUBLEBUFFER, 1);
+
+    std::string window_title = Common::StringFromFormat("Citra | %s-%s", Common::g_scm_branch, Common::g_scm_desc);
+    render_window = SDL_CreateWindow(window_title.c_str(),
+        SDL_WINDOWPOS_UNDEFINED, // x position
+        SDL_WINDOWPOS_UNDEFINED, // y position
+        VideoCore::kScreenTopWidth,
+        VideoCore::kScreenTopHeight + VideoCore::kScreenBottomHeight,
+        SDL_WINDOW_OPENGL | SDL_WINDOW_RESIZABLE | SDL_WINDOW_ALLOW_HIGHDPI);
+
+    if (render_window == nullptr) {
+        LOG_CRITICAL(Frontend, "Failed to create SDL2 window! Exiting...");
+        exit(1);
+    }
+
+    gl_context = SDL_GL_CreateContext(render_window);
+
+    if (gl_context == nullptr) {
+        LOG_CRITICAL(Frontend, "Failed to create SDL2 GL context! Exiting...");
+        exit(1);
+    }
+
+    OnResize();
+    OnMinimalClientAreaChangeRequest(GetActiveConfig().min_client_area_size);
+    SDL_PumpEvents();
+
+    DoneCurrent();
+}
+
+EmuWindow_SDL2::~EmuWindow_SDL2() {
+    SDL_GL_DeleteContext(gl_context);
+    SDL_Quit();
+}
+
+void EmuWindow_SDL2::SwapBuffers() {
+    SDL_GL_SwapWindow(render_window);
+}
+
+void EmuWindow_SDL2::PollEvents() {
+    SDL_Event event;
+
+    // SDL_PollEvent returns 0 when there are no more events in the event queue
+    while (SDL_PollEvent(&event)) {
+        switch (event.type) {
+        case SDL_WINDOWEVENT:
+            switch (event.window.event) {
+            case SDL_WINDOWEVENT_SIZE_CHANGED:
+            case SDL_WINDOWEVENT_RESIZED:
+            case SDL_WINDOWEVENT_MAXIMIZED:
+            case SDL_WINDOWEVENT_RESTORED:
+            case SDL_WINDOWEVENT_MINIMIZED:
+                OnResize();
+                break;
+            case SDL_WINDOWEVENT_CLOSE:
+                is_open = false;
+                break;
+            }
+            break;
+        case SDL_KEYDOWN:
+        case SDL_KEYUP:
+            OnKeyEvent(static_cast<int>(event.key.keysym.scancode), event.key.state);
+            break;
+        case SDL_MOUSEMOTION:
+            OnMouseMotion(event.motion.x, event.motion.y);
+            break;
+        case SDL_MOUSEBUTTONDOWN:
+        case SDL_MOUSEBUTTONUP:
+            OnMouseButton(event.button.button, event.button.state, event.button.x, event.button.y);
+            break;
+        case SDL_QUIT:
+            is_open = false;
+            break;
+        }
+    }
+}
+
+void EmuWindow_SDL2::MakeCurrent() {
+    SDL_GL_MakeCurrent(render_window, gl_context);
+}
+
+void EmuWindow_SDL2::DoneCurrent() {
+    SDL_GL_MakeCurrent(render_window, nullptr);
+}
+
+void EmuWindow_SDL2::ReloadSetKeymaps() {
+    for (int i = 0; i < Settings::NativeInput::NUM_INPUTS; ++i) {
+        KeyMap::SetKeyMapping({ Settings::values.input_mappings[Settings::NativeInput::All[i]], keyboard_id }, Service::HID::pad_mapping[i]);
+    }
+}
+
+void EmuWindow_SDL2::OnMinimalClientAreaChangeRequest(const std::pair<unsigned, unsigned>& minimal_size) {
+    SDL_SetWindowMinimumSize(render_window, minimal_size.first, minimal_size.second);
+}