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#pragma once
#include "../windows_headers.h"
#include "context.h"
#include "../../glad/glad_wgl.h"
#include "loader.h"
#include <optional>
namespace GL {
class ContextWGL final : public Context
{
public:
ContextWGL(const WindowInfo& wi);
~ContextWGL() override;
static std::unique_ptr<Context> Create(const WindowInfo& wi, const Version* versions_to_try,
size_t num_versions_to_try);
void* GetProcAddress(const char* name) override;
bool ChangeSurface(const WindowInfo& new_wi) override;
void ResizeSurface(u32 new_surface_width = 0, u32 new_surface_height = 0) override;
bool SwapBuffers() override;
bool MakeCurrent() override;
bool DoneCurrent() override;
bool SetSwapInterval(s32 interval) override;
std::unique_ptr<Context> CreateSharedContext(const WindowInfo& wi) override;
private:
ALWAYS_INLINE HWND GetHWND() const { return static_cast<HWND>(m_wi.window_handle); }
HDC GetDCAndSetPixelFormat(HWND hwnd);
bool Initialize(const Version* versions_to_try, size_t num_versions_to_try);
bool InitializeDC();
void ReleaseDC();
bool CreatePBuffer();
bool CreateAnyContext(HGLRC share_context, bool make_current);
bool CreateVersionContext(const Version& version, HGLRC share_context, bool make_current);
HDC m_dc = {};
HGLRC m_rc = {};
// Can't change pixel format once it's set for a RC.
std::optional<int> m_pixel_format;
// Dummy window for creating a PBuffer off when we're surfaceless.
HWND m_dummy_window = {};
HDC m_dummy_dc = {};
HPBUFFERARB m_pbuffer = {};
};
} // namespace GL
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