mirror/obs-studio
0
0
Fork 0
mirror of https://github.com/obsproject/obs-studio.git synced 2024-09-20 13:08:50 +02:00
Code

win-capture: Use DPI context for game capture

Browse Source 
Fixes cursor position for windows unaware of DPI.

Only works on Windows 10 1607 and above.
This commit is contained in:
jpark37 2021-09-28 20:43:25 -07:00 committed by Jim
parent 3706a21327
commit 6a288b255a
1 changed files with 64 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

64
plugins/win-capture/game-capture.c
View File

@ -109,6 +109,11 @@ struct game_capture_config {
enum hook_rate hook_rate;
};
typedef DPI_AWARENESS_CONTEXT(WINAPI *PFN_SetThreadDpiAwarenessContext)(
DPI_AWARENESS_CONTEXT);
typedef DPI_AWARENESS_CONTEXT(WINAPI *PFN_GetThreadDpiAwarenessContext)(VOID);
typedef DPI_AWARENESS_CONTEXT(WINAPI *PFN_GetWindowDpiAwarenessContext)(HWND);
struct game_capture {
obs_source_t *source;
@ -178,6 +183,10 @@ struct game_capture {
};
void (*copy_texture)(struct game_capture *);
PFN_SetThreadDpiAwarenessContext set_thread_dpi_awareness_context;
PFN_GetThreadDpiAwarenessContext get_thread_dpi_awareness_context;
PFN_GetWindowDpiAwarenessContext get_window_dpi_awareness_context;
};
struct graphics_offsets offsets32 = {0};
@ -557,6 +566,35 @@ static void *game_capture_create(obs_data_t *settings, obs_source_t *source)
gc->source, HOTKEY_START, TEXT_HOTKEY_START, HOTKEY_STOP,
TEXT_HOTKEY_STOP, hotkey_start, hotkey_stop, gc, gc);
const HMODULE hModuleUser32 = GetModuleHandle(L"User32.dll");
if (hModuleUser32) {
PFN_SetThreadDpiAwarenessContext
set_thread_dpi_awareness_context =
(PFN_SetThreadDpiAwarenessContext)GetProcAddress(
hModuleUser32,
"SetThreadDpiAwarenessContext");
PFN_GetThreadDpiAwarenessContext
get_thread_dpi_awareness_context =
(PFN_GetThreadDpiAwarenessContext)GetProcAddress(
hModuleUser32,
"GetThreadDpiAwarenessContext");
PFN_GetWindowDpiAwarenessContext
get_window_dpi_awareness_context =
(PFN_GetWindowDpiAwarenessContext)GetProcAddress(
hModuleUser32,
"GetWindowDpiAwarenessContext");
if (set_thread_dpi_awareness_context &&
get_thread_dpi_awareness_context &&
get_window_dpi_awareness_context) {
gc->set_thread_dpi_awareness_context =
set_thread_dpi_awareness_context;
gc->get_thread_dpi_awareness_context =
get_thread_dpi_awareness_context;
gc->get_window_dpi_awareness_context =
get_window_dpi_awareness_context;
}
}
game_capture_update(gc, settings);
return gc;
}
@ -1831,10 +1869,26 @@ static void game_capture_tick(void *data, float seconds)
}
if (gc->config.cursor) {
DPI_AWARENESS_CONTEXT previous = NULL;
if (gc->get_window_dpi_awareness_context !=
NULL) {
const DPI_AWARENESS_CONTEXT context =
gc->get_window_dpi_awareness_context(
gc->window);
previous =
gc->set_thread_dpi_awareness_context(
context);
}
check_foreground_window(gc, seconds);
obs_enter_graphics();
cursor_capture(&gc->cursor_data);
obs_leave_graphics();
if (previous) {
gc->set_thread_dpi_awareness_context(
previous);
}
}
gc->fps_reset_time += seconds;
@ -1861,8 +1915,18 @@ static inline void game_capture_render_cursor(struct game_capture *gc)
? (HWND)(uintptr_t)gc->global_hook_info->window
: gc->window;
DPI_AWARENESS_CONTEXT previous = NULL;
if (gc->get_window_dpi_awareness_context != NULL) {
const DPI_AWARENESS_CONTEXT context =
gc->get_window_dpi_awareness_context(gc->window);
previous = gc->set_thread_dpi_awareness_context(context);
}
ClientToScreen(window, &p);
if (previous)
gc->set_thread_dpi_awareness_context(previous);
cursor_draw(&gc->cursor_data, -p.x, -p.y, gc->global_hook_info->cx,
gc->global_hook_info->cy);
}