1 files changed, 76 insertions, 0 deletions
diff --git a/src/frontend/duckstation/gl/context.h b/src/frontend/duckstation/gl/context.h
new file mode 100644
index 0000000..41d8a2c
--- /dev/null
+++ b/src/frontend/duckstation/gl/context.h
@@ -0,0 +1,76 @@
+#pragma once
+#include "../duckstation_compat.h"
+#include "../window_info.h"
+#include <array>
+#include <memory>
+#include <vector>
+
+namespace GL {
+class Context
+{
+public:
+  Context(const WindowInfo& wi);
+  virtual ~Context();
+
+  enum class Profile
+  {
+    NoProfile,
+    Core,
+    ES
+  };
+
+  struct Version
+  {
+    Profile profile;
+    int major_version;
+    int minor_version;
+  };
+
+  struct FullscreenModeInfo
+  {
+    u32 width;
+    u32 height;
+    float refresh_rate;
+  };
+
+  ALWAYS_INLINE const WindowInfo& GetWindowInfo() const { return m_wi; }
+  ALWAYS_INLINE bool IsGLES() const { return (m_version.profile == Profile::ES); }
+  ALWAYS_INLINE u32 GetSurfaceWidth() const { return m_wi.surface_width; }
+  ALWAYS_INLINE u32 GetSurfaceHeight() const { return m_wi.surface_height; }
+  ALWAYS_INLINE WindowInfo::SurfaceFormat GetSurfaceFormat() const { return m_wi.surface_format; }
+
+  virtual void* GetProcAddress(const char* name) = 0;
+  virtual bool ChangeSurface(const WindowInfo& new_wi) = 0;
+  virtual void ResizeSurface(u32 new_surface_width = 0, u32 new_surface_height = 0) = 0;
+  virtual bool SwapBuffers() = 0;
+  virtual bool MakeCurrent() = 0;
+  virtual bool DoneCurrent() = 0;
+  virtual bool SetSwapInterval(s32 interval) = 0;
+  virtual std::unique_ptr<Context> CreateSharedContext(const WindowInfo& wi) = 0;
+
+  virtual std::vector<FullscreenModeInfo> EnumerateFullscreenModes();
+
+  static std::unique_ptr<Context> Create(const WindowInfo& wi, const Version* versions_to_try,
+                                         size_t num_versions_to_try);
+
+  template<size_t N>
+  static std::unique_ptr<Context> Create(const WindowInfo& wi, const std::array<Version, N>& versions_to_try)
+  {
+    return Create(wi, versions_to_try.data(), versions_to_try.size());
+  }
+
+  static std::unique_ptr<Context> Create(const WindowInfo& wi) { return Create(wi, GetAllVersionsList()); }
+
+  static const std::array<Version, 11>& GetAllDesktopVersionsList();
+  static const std::array<Version, 12>& GetAllDesktopVersionsListWithFallback();
+  static const std::array<Version, 4>& GetAllESVersionsList();
+  static const std::array<Version, 16>& GetAllVersionsList();
+
+protected:
+#ifdef _WIN32
+#endif
+
+  WindowInfo m_wi;
+  Version m_version = {};
+};
+} // namespace GL