mirror of
https://github.com/libretro/RetroArch.git
synced 2024-11-25 00:49:47 +00:00
437 lines
11 KiB
C
437 lines
11 KiB
C
/* RetroArch - A frontend for libretro.
|
|
* Copyright (C) 2010-2012 - Hans-Kristian Arntzen
|
|
* Copyright (C) 2011-2012 - Daniel De Matteis
|
|
*
|
|
* RetroArch is free software: you can redistribute it and/or modify it under the terms
|
|
* of the GNU General Public License as published by the Free Software Found-
|
|
* ation, either version 3 of the License, or (at your option) any later version.
|
|
*
|
|
* RetroArch is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
|
|
* without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
|
|
* PURPOSE. See the GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License along with RetroArch.
|
|
* If not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
// Win32/WGL context.
|
|
|
|
#include "../../driver.h"
|
|
#include "../gfx_context.h"
|
|
#include "../gl_common.h"
|
|
#include "../gfx_common.h"
|
|
#include <windows.h>
|
|
|
|
#define IDI_ICON 1
|
|
#define MAX_MONITORS 9
|
|
|
|
static HWND g_hwnd;
|
|
static HGLRC g_hrc;
|
|
static HDC g_hdc;
|
|
static HMONITOR g_last_hm;
|
|
static HMONITOR g_all_hms[MAX_MONITORS];
|
|
static unsigned g_num_mons;
|
|
|
|
static bool g_quit;
|
|
static bool g_inited;
|
|
static unsigned g_interval;
|
|
|
|
static unsigned g_resize_width;
|
|
static unsigned g_resize_height;
|
|
static bool g_resized;
|
|
|
|
static bool g_restore_desktop;
|
|
|
|
static void gfx_ctx_get_video_size(unsigned *width, unsigned *height);
|
|
static void gfx_ctx_destroy(void);
|
|
|
|
static BOOL (APIENTRY *p_swap_interval)(int);
|
|
|
|
static void setup_pixel_format(HDC hdc)
|
|
{
|
|
PIXELFORMATDESCRIPTOR pfd = {0};
|
|
pfd.nSize = sizeof(PIXELFORMATDESCRIPTOR);
|
|
pfd.nVersion = 1;
|
|
pfd.dwFlags = PFD_DRAW_TO_WINDOW | PFD_SUPPORT_OPENGL | PFD_DOUBLEBUFFER;
|
|
pfd.iPixelType = PFD_TYPE_RGBA;
|
|
pfd.cColorBits = 32;
|
|
pfd.cDepthBits = 0;
|
|
pfd.cStencilBits = 0;
|
|
pfd.iLayerType = PFD_MAIN_PLANE;
|
|
|
|
SetPixelFormat(hdc, ChoosePixelFormat(hdc, &pfd), &pfd);
|
|
}
|
|
|
|
static void create_gl_context(HWND hwnd)
|
|
{
|
|
g_hdc = GetDC(hwnd);
|
|
setup_pixel_format(g_hdc);
|
|
|
|
g_hrc = wglCreateContext(g_hdc);
|
|
if (g_hrc)
|
|
{
|
|
if (wglMakeCurrent(g_hdc, g_hrc))
|
|
g_inited = true;
|
|
else
|
|
g_quit = true;
|
|
}
|
|
else
|
|
g_quit = true;
|
|
}
|
|
|
|
static LRESULT CALLBACK WndProc(HWND hwnd, UINT message,
|
|
WPARAM wparam, LPARAM lparam)
|
|
{
|
|
switch (message)
|
|
{
|
|
case WM_SYSCOMMAND:
|
|
// Prevent screensavers, etc, while running.
|
|
switch (wparam)
|
|
{
|
|
case SC_SCREENSAVE:
|
|
case SC_MONITORPOWER:
|
|
return 0;
|
|
}
|
|
break;
|
|
|
|
case WM_CREATE:
|
|
create_gl_context(hwnd);
|
|
return 0;
|
|
|
|
case WM_CLOSE:
|
|
case WM_DESTROY:
|
|
case WM_QUIT:
|
|
g_quit = true;
|
|
return 0;
|
|
|
|
case WM_SIZE:
|
|
// Do not send resize message if we minimize.
|
|
if (wparam != SIZE_MAXHIDE && wparam != SIZE_MINIMIZED)
|
|
{
|
|
g_resize_width = LOWORD(lparam);
|
|
g_resize_height = HIWORD(lparam);
|
|
g_resized = true;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
return DefWindowProc(hwnd, message, wparam, lparam);
|
|
}
|
|
|
|
static void gfx_ctx_swap_interval(unsigned interval)
|
|
{
|
|
g_interval = interval;
|
|
|
|
if (g_hrc && p_swap_interval)
|
|
{
|
|
RARCH_LOG("[WGL]: wglSwapInterval(%u)\n", g_interval);
|
|
if (!p_swap_interval(g_interval))
|
|
RARCH_WARN("[WGL]: wglSwapInterval() failed.\n");
|
|
}
|
|
}
|
|
|
|
static void gfx_ctx_check_window(bool *quit,
|
|
bool *resize, unsigned *width, unsigned *height, unsigned frame_count)
|
|
{
|
|
(void)frame_count;
|
|
|
|
MSG msg;
|
|
while (PeekMessage(&msg, g_hwnd, 0, 0, PM_REMOVE))
|
|
{
|
|
TranslateMessage(&msg);
|
|
DispatchMessage(&msg);
|
|
}
|
|
|
|
*quit = g_quit;
|
|
if (g_resized)
|
|
{
|
|
*resize = true;
|
|
*width = g_resize_width;
|
|
*height = g_resize_height;
|
|
g_resized = false;
|
|
}
|
|
}
|
|
|
|
static void gfx_ctx_swap_buffers(void)
|
|
{
|
|
SwapBuffers(g_hdc);
|
|
}
|
|
|
|
static void gfx_ctx_set_resize(unsigned width, unsigned height)
|
|
{
|
|
(void)width;
|
|
(void)height;
|
|
}
|
|
|
|
static void gfx_ctx_update_window_title(bool reset)
|
|
{
|
|
if (reset)
|
|
gfx_window_title_reset();
|
|
|
|
char buf[128];
|
|
if (gfx_window_title(buf, sizeof(buf)))
|
|
SetWindowText(g_hwnd, buf);
|
|
}
|
|
|
|
static void gfx_ctx_get_video_size(unsigned *width, unsigned *height)
|
|
{
|
|
if (!g_hwnd)
|
|
{
|
|
RECT screen_rect;
|
|
GetClientRect(GetDesktopWindow(), &screen_rect);
|
|
*width = screen_rect.right - screen_rect.left;
|
|
*height = screen_rect.bottom - screen_rect.top;
|
|
}
|
|
else
|
|
{
|
|
*width = g_resize_width;
|
|
*height = g_resize_height;
|
|
}
|
|
}
|
|
|
|
BOOL CALLBACK monitor_enum_proc(HMONITOR hMonitor, HDC hdcMonitor, LPRECT lprcMonitor, LPARAM dwData)
|
|
{
|
|
g_all_hms[g_num_mons++] = hMonitor;
|
|
return TRUE;
|
|
}
|
|
|
|
static bool gfx_ctx_init(void)
|
|
{
|
|
if (g_inited)
|
|
return false;
|
|
|
|
g_quit = false;
|
|
g_restore_desktop = false;
|
|
|
|
g_num_mons = 0;
|
|
EnumDisplayMonitors(NULL, NULL, monitor_enum_proc, 0);
|
|
|
|
WNDCLASSEX wndclass = {0};
|
|
wndclass.cbSize = sizeof(wndclass);
|
|
wndclass.style = CS_HREDRAW | CS_VREDRAW | CS_OWNDC;
|
|
wndclass.lpfnWndProc = WndProc;
|
|
wndclass.hInstance = GetModuleHandle(NULL);
|
|
wndclass.hCursor = LoadCursor(NULL, IDC_ARROW);
|
|
wndclass.lpszClassName = "RetroArch";
|
|
wndclass.hIcon = LoadIcon(GetModuleHandle(NULL), MAKEINTRESOURCE(IDI_ICON));
|
|
wndclass.hIconSm = (HICON)LoadImage(GetModuleHandle(NULL), MAKEINTRESOURCE(IDI_ICON), IMAGE_ICON, 16, 16, 0);
|
|
|
|
if (!RegisterClassEx(&wndclass))
|
|
return false;
|
|
|
|
return true;
|
|
}
|
|
|
|
static bool set_fullscreen(unsigned width, unsigned height, char *dev_name)
|
|
{
|
|
DEVMODE devmode;
|
|
memset(&devmode, 0, sizeof(devmode));
|
|
devmode.dmSize = sizeof(DEVMODE);
|
|
devmode.dmPelsWidth = width;
|
|
devmode.dmPelsHeight = height;
|
|
devmode.dmFields = DM_PELSWIDTH | DM_PELSHEIGHT;
|
|
|
|
RARCH_LOG("[WGL]: Setting fullscreen to %ux%u on device %s.\n", width, height, dev_name);
|
|
return ChangeDisplaySettingsEx(dev_name, &devmode, NULL, CDS_FULLSCREEN, NULL) == DISP_CHANGE_SUCCESSFUL;
|
|
}
|
|
|
|
static void show_cursor(bool show)
|
|
{
|
|
if (show)
|
|
while (ShowCursor(TRUE) < 0);
|
|
else
|
|
while (ShowCursor(FALSE) >= 0);
|
|
}
|
|
|
|
static bool gfx_ctx_set_video_mode(
|
|
unsigned width, unsigned height,
|
|
unsigned bits, bool fullscreen)
|
|
{
|
|
(void)bits;
|
|
|
|
DWORD style;
|
|
MONITORINFOEX current_mon = {{0}};
|
|
current_mon.cbSize = sizeof(MONITORINFOEX);
|
|
if (!g_last_hm)
|
|
g_last_hm = MonitorFromWindow(GetDesktopWindow(), MONITOR_DEFAULTTONEAREST);
|
|
HMONITOR hm_to_use = g_last_hm;
|
|
|
|
unsigned fs_monitor = g_settings.video.monitor_index;
|
|
if (fs_monitor && fs_monitor <= g_num_mons && g_all_hms[fs_monitor - 1])
|
|
hm_to_use = g_all_hms[fs_monitor - 1];
|
|
|
|
GetMonitorInfo(hm_to_use, (MONITORINFO*)¤t_mon);
|
|
|
|
g_resize_width = width;
|
|
g_resize_height = height;
|
|
|
|
bool windowed_full = g_settings.video.windowed_fullscreen;
|
|
if (fullscreen)
|
|
{
|
|
if (windowed_full)
|
|
{
|
|
style = WS_EX_TOPMOST | WS_POPUP;
|
|
g_resize_width = width = current_mon.rcMonitor.right - current_mon.rcMonitor.left;
|
|
g_resize_height = height = current_mon.rcMonitor.bottom - current_mon.rcMonitor.top;
|
|
}
|
|
else
|
|
{
|
|
style = WS_POPUP | WS_VISIBLE;
|
|
|
|
if (!set_fullscreen(width, height, current_mon.szDevice))
|
|
goto error;
|
|
|
|
// display settings might have changed, get new coordinates
|
|
GetMonitorInfo(hm_to_use, (MONITORINFO*)¤t_mon);
|
|
g_restore_desktop = true;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
style = WS_OVERLAPPEDWINDOW | WS_CLIPSIBLINGS | WS_CLIPCHILDREN;
|
|
RECT rect = {0};
|
|
rect.right = width;
|
|
rect.bottom = height;
|
|
AdjustWindowRect(&rect, style, FALSE);
|
|
width = rect.right - rect.left;
|
|
height = rect.bottom - rect.top;
|
|
}
|
|
|
|
g_hwnd = CreateWindowEx(0, "RetroArch", "RetroArch", style,
|
|
fullscreen ? current_mon.rcMonitor.left : CW_USEDEFAULT,
|
|
fullscreen ? current_mon.rcMonitor.top : CW_USEDEFAULT,
|
|
width, height,
|
|
NULL, NULL, NULL, NULL);
|
|
|
|
if (!g_hwnd)
|
|
goto error;
|
|
|
|
gfx_ctx_update_window_title(true);
|
|
|
|
if (!fullscreen || windowed_full)
|
|
{
|
|
ShowWindow(g_hwnd, SW_RESTORE);
|
|
UpdateWindow(g_hwnd);
|
|
SetForegroundWindow(g_hwnd);
|
|
SetFocus(g_hwnd);
|
|
}
|
|
|
|
show_cursor(!fullscreen);
|
|
|
|
// Wait until GL context is created (or failed to do so ...)
|
|
MSG msg;
|
|
while (!g_inited && !g_quit && GetMessage(&msg, g_hwnd, 0, 0))
|
|
{
|
|
TranslateMessage(&msg);
|
|
DispatchMessage(&msg);
|
|
}
|
|
|
|
if (g_quit)
|
|
goto error;
|
|
|
|
p_swap_interval = (BOOL (APIENTRY *)(int))wglGetProcAddress("wglSwapIntervalEXT");
|
|
|
|
gfx_ctx_swap_interval(g_interval);
|
|
|
|
driver.display_type = RARCH_DISPLAY_WIN32;
|
|
driver.video_display = 0;
|
|
driver.video_window = (uintptr_t)g_hwnd;
|
|
|
|
return true;
|
|
|
|
error:
|
|
gfx_ctx_destroy();
|
|
return false;
|
|
}
|
|
|
|
static void gfx_ctx_destroy(void)
|
|
{
|
|
if (g_hrc)
|
|
{
|
|
wglMakeCurrent(NULL, NULL);
|
|
wglDeleteContext(g_hrc);
|
|
g_hrc = NULL;
|
|
}
|
|
|
|
if (g_hwnd && g_hdc)
|
|
{
|
|
ReleaseDC(g_hwnd, g_hdc);
|
|
g_hdc = NULL;
|
|
}
|
|
|
|
if (g_hwnd)
|
|
{
|
|
g_last_hm = MonitorFromWindow(g_hwnd, MONITOR_DEFAULTTONEAREST);
|
|
DestroyWindow(g_hwnd);
|
|
UnregisterClass("RetroArch", GetModuleHandle(NULL));
|
|
g_hwnd = NULL;
|
|
}
|
|
|
|
if (g_restore_desktop)
|
|
{
|
|
MONITORINFOEX current_mon = {{0}};
|
|
current_mon.cbSize = sizeof(MONITORINFOEX);
|
|
GetMonitorInfo(g_last_hm, (MONITORINFO*)¤t_mon);
|
|
ChangeDisplaySettingsEx(current_mon.szDevice, NULL, NULL, 0, NULL);
|
|
g_restore_desktop = false;
|
|
}
|
|
|
|
g_inited = false;
|
|
}
|
|
|
|
static void gfx_ctx_input_driver(const input_driver_t **input, void **input_data)
|
|
{
|
|
void *dinput = input_dinput.init();
|
|
*input = dinput ? &input_dinput : NULL;
|
|
*input_data = dinput;
|
|
}
|
|
|
|
static bool gfx_ctx_has_focus(void)
|
|
{
|
|
if (!g_inited)
|
|
return false;
|
|
|
|
return GetFocus() == g_hwnd;
|
|
}
|
|
|
|
static gfx_ctx_proc_t gfx_ctx_get_proc_address(const char *symbol)
|
|
{
|
|
return (gfx_ctx_proc_t)wglGetProcAddress(symbol);
|
|
}
|
|
|
|
static bool gfx_ctx_bind_api(enum gfx_ctx_api api)
|
|
{
|
|
return api == GFX_CTX_OPENGL_API;
|
|
}
|
|
|
|
static bool gfx_ctx_init_egl_image_buffer(const video_info_t *video)
|
|
{
|
|
return false;
|
|
}
|
|
|
|
static bool gfx_ctx_write_egl_image(const void *frame, unsigned width, unsigned height, unsigned pitch, bool rgb32, void **image_handle)
|
|
{
|
|
return false;
|
|
}
|
|
|
|
const gfx_ctx_driver_t gfx_ctx_wgl = {
|
|
gfx_ctx_init,
|
|
gfx_ctx_destroy,
|
|
gfx_ctx_bind_api,
|
|
gfx_ctx_swap_interval,
|
|
gfx_ctx_set_video_mode,
|
|
gfx_ctx_get_video_size,
|
|
NULL,
|
|
gfx_ctx_update_window_title,
|
|
gfx_ctx_check_window,
|
|
gfx_ctx_set_resize,
|
|
gfx_ctx_has_focus,
|
|
gfx_ctx_swap_buffers,
|
|
gfx_ctx_input_driver,
|
|
gfx_ctx_get_proc_address,
|
|
gfx_ctx_init_egl_image_buffer,
|
|
gfx_ctx_write_egl_image,
|
|
"wgl",
|
|
};
|
|
|