yuzu_cmd: Split emu_window OpenGL implementation into its own file

1 files changed, 15 insertions, 156 deletions

diff --git a/src/yuzu_cmd/emu_window/emu_window_sdl2.cpp b/src/yuzu_cmd/emu_window/emu_window_sdl2.cpp
index 8f104062d..d32ad9fa0 100644
--- a/src/yuzu_cmd/emu_window/emu_window_sdl2.cpp
+++ b/src/yuzu_cmd/emu_window/emu_window_sdl2.cpp
@@ -2,53 +2,27 @@
 // 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 <fmt/format.h>
-#include <glad/glad.h>
 #include "common/logging/log.h"
-#include "common/scm_rev.h"
-#include "common/string_util.h"
-#include "core/settings.h"
 #include "input_common/keyboard.h"
 #include "input_common/main.h"
 #include "input_common/motion_emu.h"
 #include "input_common/sdl/sdl.h"
 #include "yuzu_cmd/emu_window/emu_window_sdl2.h"
 
-class SDLGLContext : public Core::Frontend::GraphicsContext {
-public:
-    explicit SDLGLContext() {
-        // create a hidden window to make the shared context against
-        window = SDL_CreateWindow("", SDL_WINDOWPOS_UNDEFINED, // x position
-                                  SDL_WINDOWPOS_UNDEFINED,     // y position
-                                  Layout::ScreenUndocked::Width, Layout::ScreenUndocked::Height,
-                                  SDL_WINDOW_OPENGL | SDL_WINDOW_HIDDEN);
-        context = SDL_GL_CreateContext(window);
-    }
-
-    ~SDLGLContext() {
-        SDL_GL_DeleteContext(context);
-        SDL_DestroyWindow(window);
-    }
-
-    void MakeCurrent() override {
-        SDL_GL_MakeCurrent(window, context);
-    }
-
-    void DoneCurrent() override {
-        SDL_GL_MakeCurrent(window, nullptr);
+EmuWindow_SDL2::EmuWindow_SDL2(bool fullscreen) {
+    if (SDL_Init(SDL_INIT_VIDEO | SDL_INIT_JOYSTICK) < 0) {
+        LOG_CRITICAL(Frontend, "Failed to initialize SDL2! Exiting...");
+        exit(1);
     }
+    InputCommon::Init();
+    SDL_SetMainReady();
+}
 
-    void SwapBuffers() override {}
-
-private:
-    SDL_Window* window;
-    SDL_GLContext context;
-};
+EmuWindow_SDL2::~EmuWindow_SDL2() {
+    InputCommon::Shutdown();
+    SDL_Quit();
+}
 
 void EmuWindow_SDL2::OnMouseMotion(s32 x, s32 y) {
     TouchMoved((unsigned)std::max(x, 0), (unsigned)std::max(y, 0));
@@ -139,112 +113,6 @@ void EmuWindow_SDL2::Fullscreen() {
     SDL_MaximizeWindow(render_window);
 }
 
-bool EmuWindow_SDL2::SupportsRequiredGLExtensions() {
-    std::vector<std::string> unsupported_ext;
-
-    if (!GLAD_GL_ARB_direct_state_access)
-        unsupported_ext.push_back("ARB_direct_state_access");
-    if (!GLAD_GL_ARB_vertex_type_10f_11f_11f_rev)
-        unsupported_ext.push_back("ARB_vertex_type_10f_11f_11f_rev");
-    if (!GLAD_GL_ARB_texture_mirror_clamp_to_edge)
-        unsupported_ext.push_back("ARB_texture_mirror_clamp_to_edge");
-    if (!GLAD_GL_ARB_multi_bind)
-        unsupported_ext.push_back("ARB_multi_bind");
-
-    // Extensions required to support some texture formats.
-    if (!GLAD_GL_EXT_texture_compression_s3tc)
-        unsupported_ext.push_back("EXT_texture_compression_s3tc");
-    if (!GLAD_GL_ARB_texture_compression_rgtc)
-        unsupported_ext.push_back("ARB_texture_compression_rgtc");
-    if (!GLAD_GL_ARB_depth_buffer_float)
-        unsupported_ext.push_back("ARB_depth_buffer_float");
-
-    for (const std::string& ext : unsupported_ext)
-        LOG_CRITICAL(Frontend, "Unsupported GL extension: {}", ext);
-
-    return unsupported_ext.empty();
-}
-
-EmuWindow_SDL2::EmuWindow_SDL2(bool fullscreen) {
-    // Initialize the window
-    if (SDL_Init(SDL_INIT_VIDEO | SDL_INIT_JOYSTICK) < 0) {
-        LOG_CRITICAL(Frontend, "Failed to initialize SDL2! Exiting...");
-        exit(1);
-    }
-
-    InputCommon::Init();
-
-    SDL_SetMainReady();
-
-    const SDL_GLprofile profile = Settings::values.use_compatibility_profile
-                                      ? SDL_GL_CONTEXT_PROFILE_COMPATIBILITY
-                                      : SDL_GL_CONTEXT_PROFILE_CORE;
-
-    SDL_GL_SetAttribute(SDL_GL_CONTEXT_MAJOR_VERSION, 4);
-    SDL_GL_SetAttribute(SDL_GL_CONTEXT_MINOR_VERSION, 3);
-    SDL_GL_SetAttribute(SDL_GL_CONTEXT_PROFILE_MASK, profile);
-    SDL_GL_SetAttribute(SDL_GL_DOUBLEBUFFER, 1);
-    SDL_GL_SetAttribute(SDL_GL_RED_SIZE, 8);
-    SDL_GL_SetAttribute(SDL_GL_GREEN_SIZE, 8);
-    SDL_GL_SetAttribute(SDL_GL_BLUE_SIZE, 8);
-    SDL_GL_SetAttribute(SDL_GL_ALPHA_SIZE, 0);
-    SDL_GL_SetAttribute(SDL_GL_SHARE_WITH_CURRENT_CONTEXT, 1);
-
-    std::string window_title = fmt::format("yuzu {} | {}-{}", Common::g_build_fullname,
-                                           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
-                         Layout::ScreenUndocked::Width, Layout::ScreenUndocked::Height,
-                         SDL_WINDOW_OPENGL | SDL_WINDOW_RESIZABLE | SDL_WINDOW_ALLOW_HIGHDPI);
-
-    if (render_window == nullptr) {
-        LOG_CRITICAL(Frontend, "Failed to create SDL2 window! {}", SDL_GetError());
-        exit(1);
-    }
-
-    if (fullscreen) {
-        Fullscreen();
-    }
-    gl_context = SDL_GL_CreateContext(render_window);
-
-    if (gl_context == nullptr) {
-        LOG_CRITICAL(Frontend, "Failed to create SDL2 GL context! {}", SDL_GetError());
-        exit(1);
-    }
-
-    if (!gladLoadGLLoader(static_cast<GLADloadproc>(SDL_GL_GetProcAddress))) {
-        LOG_CRITICAL(Frontend, "Failed to initialize GL functions! {}", SDL_GetError());
-        exit(1);
-    }
-
-    if (!SupportsRequiredGLExtensions()) {
-        LOG_CRITICAL(Frontend, "GPU does not support all required OpenGL extensions! Exiting...");
-        exit(1);
-    }
-
-    OnResize();
-    OnMinimalClientAreaChangeRequest(GetActiveConfig().min_client_area_size);
-    SDL_PumpEvents();
-    SDL_GL_SetSwapInterval(false);
-    LOG_INFO(Frontend, "yuzu Version: {} | {}-{}", Common::g_build_fullname, Common::g_scm_branch,
-             Common::g_scm_desc);
-    Settings::LogSettings();
-
-    DoneCurrent();
-}
-
-EmuWindow_SDL2::~EmuWindow_SDL2() {
-    InputCommon::Shutdown();
-    SDL_GL_DeleteContext(gl_context);
-    SDL_Quit();
-}
-
-void EmuWindow_SDL2::SwapBuffers() {
-    SDL_GL_SwapWindow(render_window);
-}
-
 void EmuWindow_SDL2::PollEvents() {
     SDL_Event event;
 
@@ -257,7 +125,11 @@ void EmuWindow_SDL2::PollEvents() {
             case SDL_WINDOWEVENT_RESIZED:
             case SDL_WINDOWEVENT_MAXIMIZED:
             case SDL_WINDOWEVENT_RESTORED:
+                OnResize();
+                break;
             case SDL_WINDOWEVENT_MINIMIZED:
+            case SDL_WINDOWEVENT_EXPOSED:
+                is_shown = event.window.event == SDL_WINDOWEVENT_EXPOSED;
                 OnResize();
                 break;
             case SDL_WINDOWEVENT_CLOSE:
@@ -300,20 +172,7 @@ void EmuWindow_SDL2::PollEvents() {
     }
 }
 
-void EmuWindow_SDL2::MakeCurrent() {
-    SDL_GL_MakeCurrent(render_window, gl_context);
-}
-
-void EmuWindow_SDL2::DoneCurrent() {
-    SDL_GL_MakeCurrent(render_window, nullptr);
-}
-
 void EmuWindow_SDL2::OnMinimalClientAreaChangeRequest(
     const std::pair<unsigned, unsigned>& minimal_size) {
-
     SDL_SetWindowMinimumSize(render_window, minimal_size.first, minimal_size.second);
 }
-
-std::unique_ptr<Core::Frontend::GraphicsContext> EmuWindow_SDL2::CreateSharedContext() const {
-    return std::make_unique<SDLGLContext>();
-}