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Updated Linux X11 & OLGX hooks.

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Use LD_PRELOAD=$PWD/libsteam_api.so app_name to load overlay.
This commit is contained in:
Nemirtingas 2019-09-03 10:32:32 +02:00
parent d6f29ffffa
commit ecd753422b
5 changed files with 232 additions and 139 deletions
Download patch file Download diff file Expand all files Collapse all files

20
overlay_experimental/linux/OpenGLX_Hook.cpp
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@ -30,12 +30,14 @@ bool OpenGLX_Hook::start_hook()
hooked = true;
Renderer_Detector::Inst().renderer_found(this);
/*
UnhookAll();
BeginHook();
HookFuncs(
std::make_pair<void**, void*>(&(void*&)_glXSwapBuffers, (void*)&OpenGLX_Hook::MyglXSwapBuffers)
);
EndHook();
*/
get_steam_client()->steam_overlay->HookReady();
}
@ -55,7 +57,7 @@ void OpenGLX_Hook::resetRenderState()
if (initialized)
{
ImGui_ImplOpenGL3_Shutdown();
//X11_Hook::Inst()->resetRenderState();
X11_Hook::Inst()->resetRenderState();
ImGui::DestroyContext();
initialized = false;
@ -63,10 +65,13 @@ void OpenGLX_Hook::resetRenderState()
}
// Try to make this function and overlay's proc as short as possible or it might affect game's fps.
void OpenGLX_Hook::prepareForOverlay(Display* display)
void OpenGLX_Hook::prepareForOverlay(Display* display, GLXDrawable drawable)
{
PRINT_DEBUG("Called SwapBuffer hook");
if( (Window)drawable != X11_Hook::Inst()->get_game_wnd() )
resetRenderState();
if( ! initialized )
{
ImGui::CreateContext();
@ -81,17 +86,12 @@ void OpenGLX_Hook::prepareForOverlay(Display* display)
{
ImGuiIO& io = ImGui::GetIO();
GLint m_viewport[4];
glGetIntegerv( GL_VIEWPORT, m_viewport );
int width = m_viewport[2];
int height = m_viewport[3];
ImGui_ImplOpenGL3_NewFrame();
X11_Hook::Inst()->prepareForOverlay(display);
X11_Hook::Inst()->prepareForOverlay(display, (Window)drawable);
ImGui::NewFrame();
get_steam_client()->steam_overlay->OverlayProc(width, height);
get_steam_client()->steam_overlay->OverlayProc(io.DisplaySize.x, io.DisplaySize.y);
ImGui::EndFrame();
@ -103,7 +103,7 @@ void OpenGLX_Hook::prepareForOverlay(Display* display)
void OpenGLX_Hook::MyglXSwapBuffers(Display* display, GLXDrawable drawable)
{
OpenGLX_Hook::Inst()->prepareForOverlay(display);
OpenGLX_Hook::Inst()->prepareForOverlay(display, drawable);
OpenGLX_Hook::Inst()->_glXSwapBuffers(display, drawable);
}