goldberg_emulator/overlay_experimental/OpenGL_Hook.h

42 lines
921 B
C++

#ifndef __INCLUDED_OPENGL_HOOK_H__
#define __INCLUDED_OPENGL_HOOK_H__
#include "Base_Hook.h"
#ifdef STEAM_WIN32
class OpenGL_Hook : public Base_Hook
{
public:
static constexpr const char *DLL_NAME = "opengl32.dll";
using wglSwapBuffers_t = BOOL(WINAPI*)(HDC);
using wglMakeCurrent_t = BOOL(WINAPI*)(HDC, HGLRC);
private:
// Variables
bool initialized;
// Functions
OpenGL_Hook();
virtual ~OpenGL_Hook();
void hook_ogl();
void resetRenderState();
void prepareForOverlay(HDC hDC);
// Hook to render functions
static BOOL WINAPI MywglSwapBuffers(HDC hDC);
wglSwapBuffers_t wglSwapBuffers;
// Hook functions so we know we use OGL
static BOOL WINAPI MywglMakeCurrent(HDC hDC, HGLRC hGLRC);
wglMakeCurrent_t wglMakeCurrent;
public:
static void Create(); // Initialize OGL Hook.
};
#endif//STEAM_WIN32
#endif//__INCLUDED_OPENGL_HOOK_H__