inline bool capture_should_stop(void)
{
bool stop_requested = false;
if (capture_active())
stop_requested = capture_stopped() || !capture_alive();
return stop_requested;
}
inline bool capture_should_init(void)
{
if (!capture_active() && capture_restarted()) {
if (capture_alive()) {
if (!ipc_pipe_client_valid(&pipe)) {
init_pipe();
}
return true;
}
}
return false;
}
static HRESULT STDMETHODCALLTYPE hook_present(IDXGISwapChain *swap,
UINT sync_interval, UINT flags)
{
IUnknown *backbuffer = nullptr;
bool capture_overlay = global_hook_info->capture_overlay;
bool test_draw = (flags & DXGI_PRESENT_TEST) != 0;
bool capture;
HRESULT hr;
if (!data.swap && !capture_active()) {
setup_dxgi(swap);
}
capture = !test_draw && swap == data.swap && !!data.capture;
if (capture && !capture_overlay) {
backbuffer = get_dxgi_backbuffer(swap);
if (!!backbuffer) {
data.capture(swap, backbuffer, capture_overlay);
backbuffer->Release();
}
}
unhook(&present);
present_t call = (present_t)present.call_addr;
hr = call(swap, sync_interval, flags);
rehook(&present);
if (capture && capture_overlay) {
/*
* It seems that the first call to Present after ResizeBuffers
* will cause the backbuffer to be invalidated, so do not
* perform the post-overlay capture if ResizeBuffers has
* recently been called. (The backbuffer returned by
* get_dxgi_backbuffer *will* be invalid otherwise)
*/
if (resize_buffers_called) {
resize_buffers_called = false;
} else {
backbuffer = get_dxgi_backbuffer(swap);
if (!!backbuffer) {
data.capture(swap, backbuffer, capture_overlay);
backbuffer->Release();
}
}
}
return hr;
}
static HRESULT STDMETHODCALLTYPE hook_reset(IDirect3DDevice8 *device,
D3DPRESENT_PARAMETERS *parameters)
{
HRESULT hr;
if (capture_active())
d3d8_free();
unhook(&reset);
reset_t call = (reset_t)reset.call_addr;
hr = call(device, parameters);
rehook(&reset);
return hr;
}
static HRESULT STDMETHODCALLTYPE hook_reset_ex(IDirect3DDevice9 *device,
D3DPRESENT_PARAMETERS *params, D3DDISPLAYMODEEX *dmex)
{
HRESULT hr;
if (capture_active())
d3d9_free();
unhook(&reset_ex);
reset_ex_t call = (reset_ex_t)reset_ex.call_addr;
hr = call(device, params, dmex);
rehook(&reset_ex);
return hr;
}
static BOOL WINAPI hook_wgl_delete_context(HGLRC hrc)
{
BOOL ret;
if (capture_active()) {
HDC last_hdc = jimglGetCurrentDC();
HGLRC last_hrc = jimglGetCurrentContext();
jimglMakeCurrent(data.hdc, hrc);
gl_free();
jimglMakeCurrent(last_hdc, last_hrc);
}
unhook(&wgl_delete_context);
BOOL (WINAPI *call)(HGLRC) = wgl_delete_context.call_addr;
ret = call(hrc);
rehook(&wgl_delete_context);
return ret;
}
inline bool capture_ready(void)
{
return capture_active() &&
frame_ready(global_hook_info->frame_interval);
}
