Basic OpenGL hooking

src/meson.build

@@ -57,6 +57,7 @@ if ['windows', 'mingw'].contains(host_machine.system())
     'win/d3d12_hook.cpp',
     'win/d3d11_hook.cpp',
     'win/d3d_shared.cpp',
+    'win/ogl_hook.cpp',
   )
 endif
 

src/win/kiero.cpp

@@ -28,7 +28,7 @@
 #endif
 
 #if KIERO_INCLUDE_OPENGL
-# include <gl/GL.h>
+#include <GL/gl.h>
 #endif
 
 #if KIERO_INCLUDE_VULKAN
@@ -532,7 +532,7 @@ kiero::Status::Enum kiero::init(RenderType::Enum _renderType)
 				{
 					return Status::ModuleNotFoundError;
 				}
-
+				
 				const char* const methodsNames[] = {
 					"glAccum", "glAlphaFunc", "glAreTexturesResident", "glArrayElement", "glBegin", "glBindTexture", "glBitmap", "glBlendFunc", "glCallList", "glCallLists", "glClear", "glClearAccum",
 					"glClearColor", "glClearDepth", "glClearIndex", "glClearStencil", "glClipPlane", "glColor3b", "glColor3bv", "glColor3d", "glColor3dv", "glColor3f", "glColor3fv", "glColor3i", "glColor3iv",
@@ -562,7 +562,7 @@ kiero::Status::Enum kiero::init(RenderType::Enum _renderType)
 					"glTexCoord4sv", "glTexCoordPointer", "glTexEnvf", "glTexEnvfv", "glTexEnvi", "glTexEnviv", "glTexGend", "glTexGendv", "glTexGenf", "glTexGenfv", "glTexGeni", "glTexGeniv", "glTexImage1D",
 					"glTexImage2D", "glTexParameterf", "glTexParameterfv", "glTexParameteri", "glTexParameteriv", "glTexSubImage1D", "glTexSubImage2D", "glTranslated", "glTranslatef", "glVertex2d",
 					"glVertex2dv", "glVertex2f", "glVertex2fv", "glVertex2i", "glVertex2iv", "glVertex2s", "glVertex2sv", "glVertex3d", "glVertex3dv", "glVertex3f", "glVertex3fv", "glVertex3i", "glVertex3iv",
-					"glVertex3s", "glVertex3sv", "glVertex4d", "glVertex4dv", "glVertex4f", "glVertex4fv", "glVertex4i", "glVertex4iv", "glVertex4s", "glVertex4sv", "glVertexPointer", "glViewport"
+					"glVertex3s", "glVertex3sv", "glVertex4d", "glVertex4dv", "glVertex4f", "glVertex4fv", "glVertex4i", "glVertex4iv", "glVertex4s", "glVertex4sv", "glVertexPointer", "glViewport", "wglSwapBuffers"
 				};
 
 				size_t size = KIERO_ARRAY_SIZE(methodsNames);

src/win/kiero.h

@@ -9,7 +9,7 @@
 #define KIERO_INCLUDE_D3D10  0 // 1 if you need D3D10 hook
 #define KIERO_INCLUDE_D3D11  1 // 1 if you need D3D11 hook
 #define KIERO_INCLUDE_D3D12  1 // 1 if you need D3D12 hook
-#define KIERO_INCLUDE_OPENGL 0 // 1 if you need OpenGL hook
+#define KIERO_INCLUDE_OPENGL 1 // 1 if you need OpenGL hook
 #define KIERO_INCLUDE_VULKAN 1 // 1 if you need Vulkan hook
 #define KIERO_USE_MINHOOK    1 // 1 if you will use kiero::bind function
 
@@ -75,4 +75,6 @@ namespace kiero
 	uint150_t* getMethodsTable();
 }
 
-#endif // __KIERO_H__
+#endif // __KIERO_H__
+
+extern void init_ogl();

src/win/main.cpp

@@ -59,6 +59,7 @@ int MainThread()
     ConsoleSetup();
     printf("MangoHud Attached!\n");
     renderTypes();
+    init_ogl();
     if (!render_types.empty()){
         impl::d3d11::init();
         impl::d3d12::init();

src/win/ogl_hook.cpp

@@ -0,0 +1,19 @@
+#include "kiero.h"
+#include <stdio.h>
+#include <assert.h>
+#include "windows.h"
+#include <GL/gl.h>
+
+BOOL __stdcall (*owglSwapBuffers)(HDC hDc);
+
+BOOL __stdcall hwglSwapBuffers(HDC hDc)
+{
+    printf("swapbuffer\n");
+    return owglSwapBuffers(hDc);
+}
+
+void init_ogl(){
+    printf("init ogl\n");
+	auto ret = kiero::bind(336, (void**)&owglSwapBuffers, reinterpret_cast<void *>(hwglSwapBuffers));
+    assert(ret == kiero::Status::Success);
+}