1 files changed, 157 insertions, 0 deletions
diff --git a/src/yuzu_cmd/emu_window/emu_window_sdl3_gl.cpp b/src/yuzu_cmd/emu_window/emu_window_sdl3_gl.cpp
new file mode 100644
index 0000000000..e86858a232
--- /dev/null
+++ b/src/yuzu_cmd/emu_window/emu_window_sdl3_gl.cpp
@@ -0,0 +1,157 @@
+// SPDX-FileCopyrightText: Copyright 2026 Eden Emulator Project
+// SPDX-License-Identifier: GPL-3.0-or-later
+
+// SPDX-FileCopyrightText: Copyright 2019 yuzu Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#include <algorithm>
+#include <cstdlib>
+#include <string>
+
+#define SDL_MAIN_HANDLED
+#include <SDL3/SDL.h>
+
+#include <fmt/ranges.h>
+#include <glad/glad.h>
+#include "common/logging.h"
+#include "common/scm_rev.h"
+#include "common/settings.h"
+#include "common/string_util.h"
+#include "core/core.h"
+#include "input_common/main.h"
+#include "video_core/renderer_base.h"
+#include "yuzu_cmd/emu_window/emu_window_sdl3_gl.h"
+
+namespace {
+void* SDLGLGetProcAddress(const char* proc_name) {
+    return reinterpret_cast<void*>(SDL_GL_GetProcAddress(proc_name));
+}
+} // Anonymous namespace
+
+class SDLGLContext : public Core::Frontend::GraphicsContext {
+public:
+    explicit SDLGLContext(SDL_Window* window_) : window{window_} {
+        context = SDL_GL_CreateContext(window);
+    }
+
+    ~SDLGLContext() {
+        DoneCurrent();
+        SDL_GL_DestroyContext(context);
+    }
+
+    void SwapBuffers() override {
+        SDL_GL_SwapWindow(window);
+    }
+
+    void MakeCurrent() override {
+        if (is_current) {
+            return;
+        }
+        is_current = SDL_GL_MakeCurrent(window, context) == 0;
+    }
+
+    void DoneCurrent() override {
+        if (!is_current) {
+            return;
+        }
+        SDL_GL_MakeCurrent(window, nullptr);
+        is_current = false;
+    }
+
+private:
+    SDL_Window* window;
+    SDL_GLContext context;
+    bool is_current = false;
+};
+
+bool EmuWindow_SDL3_GL::SupportsRequiredGLExtensions() {
+    std::vector<std::string_view> unsupported_ext{};
+#ifdef HAS_OPENGL
+    // 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");
+    for (const auto& extension : unsupported_ext)
+        LOG_CRITICAL(Frontend, "Unsupported GL extension: {}", extension);
+#endif
+    return unsupported_ext.empty();
+}
+
+EmuWindow_SDL3_GL::EmuWindow_SDL3_GL(InputCommon::InputSubsystem* input_subsystem_,
+                                     Core::System& system_, bool fullscreen)
+    : EmuWindow_SDL3{input_subsystem_, system_} {
+    SDL_GL_SetAttribute(SDL_GL_CONTEXT_MAJOR_VERSION, 4);
+    SDL_GL_SetAttribute(SDL_GL_CONTEXT_MINOR_VERSION, 6);
+    SDL_GL_SetAttribute(SDL_GL_CONTEXT_PROFILE_MASK, SDL_GL_CONTEXT_PROFILE_COMPATIBILITY);
+    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);
+    if (Settings::values.renderer_debug) {
+        SDL_GL_SetAttribute(SDL_GL_CONTEXT_FLAGS, SDL_GL_CONTEXT_DEBUG_FLAG);
+    }
+    SDL_GL_SetSwapInterval(0);
+
+    std::string window_title = fmt::format("{} | {}-{}", Common::g_build_fullname,
+                                           Common::g_scm_branch, Common::g_scm_desc);
+    render_window =
+        SDL_CreateWindow(window_title.c_str(), Layout::ScreenUndocked::Width,
+                         Layout::ScreenUndocked::Height,
+                         SDL_WINDOW_OPENGL | SDL_WINDOW_RESIZABLE |
+                             SDL_WINDOW_HIGH_PIXEL_DENSITY);
+
+    if (render_window == nullptr) {
+        LOG_CRITICAL(Frontend, "Failed to create SDL3 window! {}", SDL_GetError());
+        exit(1);
+    }
+
+    strict_context_required = strcmp(SDL_GetCurrentVideoDriver(), "wayland") == 0;
+
+    SetWindowIcon();
+
+    if (fullscreen) {
+        Fullscreen();
+        ShowCursor(false);
+    }
+
+    window_context = SDL_GL_CreateContext(render_window);
+    core_context = CreateSharedContext();
+
+    if (window_context == nullptr) {
+        LOG_CRITICAL(Frontend, "Failed to create SDL3 GL context: {}", SDL_GetError());
+        exit(1);
+    }
+    if (core_context == nullptr) {
+        LOG_CRITICAL(Frontend, "Failed to create shared SDL3 GL context: {}", SDL_GetError());
+        exit(1);
+    }
+
+    if (!gladLoadGLLoader(static_cast<GLADloadproc>(SDLGLGetProcAddress))) {
+        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();
+    LOG_INFO(Frontend, "Build string: {} | {}-{}", Common::g_build_fullname, Common::g_scm_branch,
+             Common::g_scm_desc);
+    Settings::LogSettings();
+}
+
+EmuWindow_SDL3_GL::~EmuWindow_SDL3_GL() {
+    core_context.reset();
+    SDL_GL_DestroyContext(window_context);
+}
+
+std::unique_ptr<Core::Frontend::GraphicsContext> EmuWindow_SDL3_GL::CreateSharedContext() const {
+    return std::make_unique<SDLGLContext>(render_window);
+}