void checkOpenGLHook() {
static bool bCheckHookActive = false;
if (bCheckHookActive) {
ods("OpenGL: Recursion in checkOpenGLHook");
return;
}
bCheckHookActive = true;
if (!bHooked) {
HMODULE hGL = GetModuleHandle("OpenGL32.DLL");
if (lookupSymbols(hGL)) {
char procname[1024];
GetModuleFileName(NULL, procname, 1024);
ods("OpenGL: Hooking into OpenGL App %s", procname);
// Add a ref to ourselves; we do NOT want to get unloaded directly from this process.
HMODULE hTempSelf = NULL;
GetModuleHandleEx(GET_MODULE_HANDLE_EX_FLAG_FROM_ADDRESS, reinterpret_cast<LPCTSTR>(&checkOpenGLHook), &hTempSelf);
#define INJECT(handle, name) {\
o##name = reinterpret_cast<t##name>(GetProcAddress(handle, #name));\
if (o##name) {\
hh##name.setup(reinterpret_cast<voidFunc>(o##name), reinterpret_cast<voidFunc>(my##name));\
o##name = (t##name) hh##name.call;\
} else {\
ods("OpenGL: Could not resolve symbol %s in %s", #name, #handle);\
}\
}
INJECT(hGL, wglSwapBuffers);
}
} else {
hhwglSwapBuffers.check();
}
bCheckHookActive = false;
}
void checkOpenGLHook() {
if (bChaining) {
return;
ods("Causing a chain");
}
bChaining = true;
HMODULE hGL = GetModuleHandle("OpenGL32.DLL");
if (hGL != NULL) {
if (! bHooked) {
char procname[1024];
GetModuleFileName(NULL, procname, 1024);
fods("OpenGL: Unhooked OpenGL App %s", procname);
bHooked = true;
// Add a ref to ourselves; we do NOT want to get unloaded directly from this process.
GetModuleHandleEx(GET_MODULE_HANDLE_EX_FLAG_FROM_ADDRESS, reinterpret_cast<char *>(&checkOpenGLHook), &hSelf);
INJECT(wglSwapBuffers);
// INJECT(wglSwapLayerBuffers);
GLDEF(wglCreateContext);
GLDEF(glGenTextures);
GLDEF(glDeleteTextures);
GLDEF(glEnable);
GLDEF(glDisable);
GLDEF(glBlendFunc);
GLDEF(glColorMaterial);
GLDEF(glViewport);
GLDEF(glMatrixMode);
GLDEF(glLoadIdentity);
GLDEF(glOrtho);
GLDEF(glBindTexture);
GLDEF(glPushMatrix);
GLDEF(glColor4ub);
GLDEF(glTranslatef);
GLDEF(glBegin);
GLDEF(glEnd);
GLDEF(glTexCoord2f);
GLDEF(glVertex2f);
GLDEF(glPopMatrix);
GLDEF(glTexParameteri);
GLDEF(glTexEnvi);
GLDEF(glTexImage2D);
GLDEF(glTexSubImage2D);
GLDEF(glPixelStorei);
GLDEF(wglMakeCurrent);
GLDEF(wglGetCurrentContext);
GLDEF(wglGetCurrentDC);
hGL = GetModuleHandle("GDI32.DLL");
if (hGL) {
// INJECT(SwapBuffers);
GLDEF(GetDeviceCaps);
} else {
ods("OpenGL: Failed to find GDI32");
}
} else {
hhwglSwapBuffers.check();
}
}
bChaining = false;
}
void LGL::InjectAPITracer( sEnvironment* E, sLGLAPI* OldAPI )
{
APIHook = *OldAPI;
Env = E;
sLGLAPI API = *OldAPI;
INJECT( glActiveTexture )
INJECT( glAttachShader )
INJECT( glBeginQuery )
INJECT( glBindAttribLocation )
INJECT( glBindBuffer )
INJECT( glBindBufferBase )
INJECT( glBindFragDataLocation )
INJECT( glBindFramebuffer )
INJECT( glBindTexture )
INJECT( glBlendFunc )
INJECT( glBufferData )
INJECT( glBufferSubData )
INJECT( glCheckFramebufferStatus )
INJECT( glClear )
INJECT( glClearColor )
INJECT( glClearDepth )
INJECT( glClearStencil )
INJECT( glColorMask )
INJECT( glCompileShader )
INJECT( glCompressedTexImage2D )
INJECT( glCompressedTexImage3D )
INJECT( glCreateProgram )
INJECT( glCreateShader )
INJECT( glCullFace )
INJECT( glDebugMessageCallbackARB )
INJECT( glDebugMessageControlARB )
INJECT( glDeleteBuffers )
INJECT( glDeleteFramebuffers )
INJECT( glDeleteProgram )
INJECT( glDeleteQueries )
INJECT( glDeleteShader )
INJECT( glDeleteTextures )
INJECT( glDepthMask )
INJECT( glDisable )
INJECT( glDisablei )
INJECT( glDisableVertexAttribArray )
INJECT( glDrawArrays )
INJECT( glDrawArraysInstanced )
INJECT( glDrawBuffers )
INJECT( glDrawElements )
INJECT( glDrawElementsInstanced )
INJECT( glEnable )
INJECT( glEnablei )
INJECT( glEnableVertexAttribArray )
INJECT( glEndQuery )
INJECT( glFinish )
INJECT( glFlush )
INJECT( glFramebufferTexture2D )
INJECT( glFramebufferTexture3D )
INJECT( glGenBuffers )
INJECT( glGenerateMipmap )
INJECT( glGenFramebuffers )
INJECT( glGenQueries )
INJECT( glGenTextures )
INJECT( glGetActiveAttrib )
INJECT( glGetActiveUniform )
INJECT( glGetActiveUniformBlockiv )
INJECT( glGetAttribLocation )
INJECT( glGetCompressedTexImage )
INJECT( glGetDebugMessageLogARB )
//INJECT(glGetError)
INJECT( glGetIntegerv )
INJECT( glGetProgramBinary );
INJECT( glGetProgramInfoLog )
INJECT( glGetProgramiv )
INJECT( glGetQueryObjectiv )
INJECT( glGetQueryObjectui64v )
INJECT( glGetShaderInfoLog )
INJECT( glGetShaderiv )
INJECT( glGetString )
INJECT( glGetTexImage )
INJECT( glGetTexLevelParameteriv )
INJECT( glGetUniformLocation )
INJECT( glIsProgram )
INJECT( glIsShader )
INJECT( glLinkProgram )
INJECT( glPatchParameteri )
INJECT( glPixelStorei )
INJECT( glPolygonMode )
INJECT( glProgramBinary )
INJECT( glProgramParameteri )
INJECT( glReadBuffer )
INJECT( glReadPixels )
INJECT( glShaderSource )
INJECT( glTexSubImage2D )
INJECT( glTexImage2D )
INJECT( glTexImage3D )
INJECT( glTexParameterf )
INJECT( glTexParameteri )
INJECT( glUniform1f )
INJECT( glUniform1fv )
INJECT( glUniform1i )
INJECT( glUniform1iv )
INJECT( glUniform3fv )
INJECT( glUniform4fv )
INJECT( glUniformBlockBinding )
INJECT( glUniformMatrix3fv )
INJECT( glUniformMatrix4fv )
INJECT( glUseProgram )
INJECT( glValidateProgram )
INJECT( glVertexAttribPointer )
INJECT( glViewport );
*OldAPI = API;
}
