mirror of
https://github.com/libretro/RetroArch.git
synced 2024-12-12 19:21:33 +00:00
310 lines
6.9 KiB
C
310 lines
6.9 KiB
C
/* RetroArch - A frontend for libretro.
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* Copyright (C) 2010-2014 - Hans-Kristian Arntzen
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* Copyright (C) 2011-2017 - Daniel De Matteis
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* Copyright (C) 2016-2019 - Brad Parker
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*
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* RetroArch is free software: you can redistribute it and/or modify it under the terms
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* of the GNU General Public License as published by the Free Software Found-
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* ation, either version 3 of the License, or (at your option) any later version.
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*
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* RetroArch is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
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* without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
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* PURPOSE. See the GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along with RetroArch.
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* If not, see <http://www.gnu.org/licenses/>.
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*/
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/* Win32/GDI context. */
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/* necessary for mingw32 multimon defines: */
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#ifndef _WIN32_WINNT
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#define _WIN32_WINNT 0x0500 /*_WIN32_WINNT_WIN2K */
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#endif
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#include <string.h>
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#include <math.h>
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#include <windows.h>
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#include <commdlg.h>
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#include <string/stdstring.h>
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#ifdef HAVE_CONFIG_H
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#include "../../config.h"
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#endif
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#include "../../dynamic.h"
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#include "../../configuration.h"
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#include "../../retroarch.h"
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#include "../../verbosity.h"
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#include "../../frontend/frontend_driver.h"
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#include "../common/win32_common.h"
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static HDC win32_gdi_hdc;
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static unsigned win32_gdi_major = 0;
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static unsigned win32_gdi_minor = 0;
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static int win32_gdi_interval = 0;
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static enum gfx_ctx_api win32_gdi_api = GFX_CTX_NONE;
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typedef struct gfx_ctx_gdi_data
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{
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void *empty;
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} gfx_ctx_gdi_data_t;
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void *dinput_gdi;
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static void gfx_ctx_gdi_check_window(void *data, bool *quit,
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bool *resize, unsigned *width, unsigned *height, bool is_shutdown)
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{
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win32_check_window(quit, resize, width, height);
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}
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static bool gfx_ctx_gdi_set_resize(void *data,
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unsigned width, unsigned height)
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{
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return false;
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}
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static void gfx_ctx_gdi_update_title(void *data, void *data2)
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{
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video_frame_info_t* video_info = (video_frame_info_t*)data2;
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const ui_window_t *window = ui_companion_driver_get_window_ptr();
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char title[128];
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title[0] = '\0';
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video_driver_get_window_title(title, sizeof(title));
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if (window && title[0])
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window->set_title(&main_window, title);
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}
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static void gfx_ctx_gdi_get_video_size(void *data,
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unsigned *width, unsigned *height)
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{
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HWND window = win32_get_window();
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(void)data;
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if (!window)
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{
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RECT mon_rect;
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MONITORINFOEX current_mon;
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unsigned mon_id = 0;
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HMONITOR hm_to_use = NULL;
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win32_monitor_info(¤t_mon, &hm_to_use, &mon_id);
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mon_rect = current_mon.rcMonitor;
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*width = mon_rect.right - mon_rect.left;
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*height = mon_rect.bottom - mon_rect.top;
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}
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else
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{
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*width = g_win32_resize_width;
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*height = g_win32_resize_height;
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}
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}
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static void *gfx_ctx_gdi_init(
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video_frame_info_t *video_info, void *video_driver)
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{
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WNDCLASSEX wndclass = {0};
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gfx_ctx_gdi_data_t *gdi = (gfx_ctx_gdi_data_t*)calloc(1, sizeof(*gdi));
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if (!gdi)
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return NULL;
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if (g_win32_inited)
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goto error;
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win32_window_reset();
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win32_monitor_init();
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wndclass.lpfnWndProc = WndProcGDI;
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if (!win32_window_init(&wndclass, true, NULL))
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goto error;
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return gdi;
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error:
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if (gdi)
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free(gdi);
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return NULL;
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}
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static void gfx_ctx_gdi_destroy(void *data)
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{
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gfx_ctx_gdi_data_t *gdi = (gfx_ctx_gdi_data_t*)data;
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HWND window = win32_get_window();
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if (window && win32_gdi_hdc)
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{
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ReleaseDC(window, win32_gdi_hdc);
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win32_gdi_hdc = NULL;
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}
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if (window)
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{
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win32_monitor_from_window();
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win32_destroy_window();
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}
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if (g_win32_restore_desktop)
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{
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win32_monitor_get_info();
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g_win32_restore_desktop = false;
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}
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if (gdi)
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free(gdi);
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g_win32_inited = false;
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win32_gdi_major = 0;
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win32_gdi_minor = 0;
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}
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static bool gfx_ctx_gdi_set_video_mode(void *data,
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video_frame_info_t *video_info,
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unsigned width, unsigned height,
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bool fullscreen)
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{
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if (!win32_set_video_mode(NULL, width, height, fullscreen))
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{
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RARCH_ERR("[GDI]: win32_set_video_mode failed.\n");
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gfx_ctx_gdi_destroy(data);
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return false;
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}
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return true;
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}
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static void gfx_ctx_gdi_input_driver(void *data,
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const char *joypad_name,
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input_driver_t **input, void **input_data)
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{
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#if _WIN32_WINNT >= 0x0501
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settings_t *settings = config_get_ptr();
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/* winraw only available since XP */
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if (string_is_equal(settings->arrays.input_driver, "raw"))
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{
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*input_data = input_winraw.init(joypad_name);
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if (*input_data)
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{
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*input = &input_winraw;
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dinput_gdi = NULL;
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return;
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}
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}
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#endif
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#ifdef HAVE_DINPUT
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dinput_gdi = input_dinput.init(joypad_name);
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*input = dinput_gdi ? &input_dinput : NULL;
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#else
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dinput_gdi = NULL;
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*input = NULL;
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#endif
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*input_data = dinput_gdi;
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}
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static bool gfx_ctx_gdi_has_focus(void *data)
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{
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return win32_has_focus();
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}
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static enum gfx_ctx_api gfx_ctx_gdi_get_api(void *data)
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{
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return win32_gdi_api;
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}
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static bool gfx_ctx_gdi_bind_api(void *data,
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enum gfx_ctx_api api, unsigned major, unsigned minor)
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{
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(void)data;
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win32_gdi_major = major;
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win32_gdi_minor = minor;
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win32_gdi_api = api;
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return true;
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}
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static void gfx_ctx_gdi_show_mouse(void *data, bool state)
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{
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(void)data;
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win32_show_cursor(state);
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}
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static void gfx_ctx_gdi_swap_interval(void *data, int interval)
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{
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(void)data;
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(void)interval;
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}
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static void gfx_ctx_gdi_set_flags(void *data, uint32_t flags)
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{
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(void)data;
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(void)flags;
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}
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static uint32_t gfx_ctx_gdi_get_flags(void *data)
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{
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uint32_t flags = 0;
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return flags;
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}
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static void gfx_ctx_gdi_swap_buffers(void *data, void *data2)
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{
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(void)data;
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SwapBuffers(win32_gdi_hdc);
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}
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void create_gdi_context(HWND hwnd, bool *quit)
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{
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win32_gdi_hdc = GetDC(hwnd);
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win32_setup_pixel_format(win32_gdi_hdc, false);
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g_win32_inited = true;
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}
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const gfx_ctx_driver_t gfx_ctx_gdi = {
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gfx_ctx_gdi_init,
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gfx_ctx_gdi_destroy,
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gfx_ctx_gdi_get_api,
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gfx_ctx_gdi_bind_api,
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gfx_ctx_gdi_swap_interval,
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gfx_ctx_gdi_set_video_mode,
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gfx_ctx_gdi_get_video_size,
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NULL, /* get_refresh_rate */
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NULL, /* get_video_output_size */
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NULL, /* get_video_output_prev */
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NULL, /* get_video_output_next */
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win32_get_metrics,
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NULL,
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gfx_ctx_gdi_update_title,
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gfx_ctx_gdi_check_window,
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gfx_ctx_gdi_set_resize,
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gfx_ctx_gdi_has_focus,
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win32_suppress_screensaver,
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true, /* has_windowed */
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gfx_ctx_gdi_swap_buffers,
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gfx_ctx_gdi_input_driver,
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NULL,
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NULL,
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NULL,
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gfx_ctx_gdi_show_mouse,
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"gdi",
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gfx_ctx_gdi_get_flags,
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gfx_ctx_gdi_set_flags,
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NULL,
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NULL,
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NULL
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};
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