mirror of
https://github.com/CTCaer/RetroArch.git
synced 2024-12-22 18:58:21 +00:00
721 lines
18 KiB
C
721 lines
18 KiB
C
/* RetroArch - A frontend for libretro.
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* Copyright (C) 2010-2014 - Hans-Kristian Arntzen
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* Copyright (C) 2011-2015 - Daniel De Matteis
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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/WGL 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 "../../driver.h"
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#include "../../runloop.h"
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#include "../video_context_driver.h"
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#include "../gl_common.h"
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#include "../video_monitor.h"
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#include "win32_common.h"
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#include "wgl_shader_dlg.h"
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#include <windows.h>
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#include <commdlg.h>
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#include <string.h>
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#define IDI_ICON 1
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#define MAX_MONITORS 9
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static bool g_use_hw_ctx;
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static HWND g_hwnd;
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static HGLRC g_hrc;
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static HGLRC g_hw_hrc;
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static HDC g_hdc;
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static HMONITOR g_last_hm;
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static HMONITOR g_all_hms[MAX_MONITORS];
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static unsigned g_num_mons;
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static unsigned g_major;
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static unsigned g_minor;
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static bool g_quit;
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static bool g_inited;
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static unsigned g_interval;
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static unsigned g_resize_width;
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static unsigned g_resize_height;
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static unsigned g_pos_x = CW_USEDEFAULT;
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static unsigned g_pos_y = CW_USEDEFAULT;
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static bool g_resized;
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static HINSTANCE dll_handle = NULL; /* Handle to OpenGL32.dll */
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static bool g_restore_desktop;
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static void monitor_info(MONITORINFOEX *mon, HMONITOR *hm_to_use);
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static void gfx_ctx_wgl_destroy(void *data);
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static BOOL (APIENTRY *p_swap_interval)(int);
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typedef HGLRC (APIENTRY *wglCreateContextAttribsProc)(HDC, HGLRC, const int*);
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static wglCreateContextAttribsProc pcreate_context;
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static void setup_pixel_format(HDC hdc)
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{
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PIXELFORMATDESCRIPTOR pfd = {0};
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pfd.nSize = sizeof(PIXELFORMATDESCRIPTOR);
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pfd.nVersion = 1;
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pfd.dwFlags = PFD_DRAW_TO_WINDOW | PFD_SUPPORT_OPENGL | PFD_DOUBLEBUFFER;
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pfd.iPixelType = PFD_TYPE_RGBA;
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pfd.cColorBits = 32;
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pfd.cDepthBits = 0;
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pfd.cStencilBits = 0;
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pfd.iLayerType = PFD_MAIN_PLANE;
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SetPixelFormat(hdc, ChoosePixelFormat(hdc, &pfd), &pfd);
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}
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#ifndef WGL_CONTEXT_MAJOR_VERSION_ARB
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#define WGL_CONTEXT_MAJOR_VERSION_ARB 0x2091
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#endif
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#ifndef WGL_CONTEXT_MINOR_VERSION_ARB
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#define WGL_CONTEXT_MINOR_VERSION_ARB 0x2092
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#endif
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#ifndef WGL_CONTEXT_PROFILE_MASK_ARB
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#define WGL_CONTEXT_PROFILE_MASK_ARB 0x9126
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#endif
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#ifndef WGL_CONTEXT_CORE_PROFILE_BIT_ARB
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#define WGL_CONTEXT_CORE_PROFILE_BIT_ARB 0x0001
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#endif
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#ifndef WGL_CONTEXT_FLAGS_ARB
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#define WGL_CONTEXT_FLAGS_ARB 0x2094
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#endif
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#ifndef WGL_CONTEXT_DEBUG_BIT_ARB
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#define WGL_CONTEXT_DEBUG_BIT_ARB 0x0001
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#endif
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static void create_gl_context(HWND hwnd)
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{
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bool core_context;
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global_t *global = global_get_ptr();
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driver_t *driver = driver_get_ptr();
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bool debug = global->system.hw_render_callback.debug_context;
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#ifdef _WIN32
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dll_handle = LoadLibrary("OpenGL32.dll");
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#endif
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g_hdc = GetDC(hwnd);
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setup_pixel_format(g_hdc);
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#ifdef GL_DEBUG
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debug = true;
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#endif
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core_context = (g_major * 1000 + g_minor) >= 3001;
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if (g_hrc)
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{
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RARCH_LOG("[WGL]: Using cached GL context.\n");
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driver->video_cache_context_ack = true;
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}
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else
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{
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g_hrc = wglCreateContext(g_hdc);
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/* We'll create shared context later if not. */
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if (g_hrc && !core_context && !debug)
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{
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g_hw_hrc = wglCreateContext(g_hdc);
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if (g_hw_hrc)
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{
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if (!wglShareLists(g_hrc, g_hw_hrc))
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{
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RARCH_LOG("[WGL]: Failed to share contexts.\n");
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g_quit = true;
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}
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}
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else
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g_quit = true;
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}
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}
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if (g_hrc)
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{
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if (wglMakeCurrent(g_hdc, g_hrc))
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g_inited = true;
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else
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g_quit = true;
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}
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else
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{
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g_quit = true;
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return;
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}
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if (core_context || debug)
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{
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int attribs[16];
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int *aptr = attribs;
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if (core_context)
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{
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*aptr++ = WGL_CONTEXT_MAJOR_VERSION_ARB;
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*aptr++ = g_major;
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*aptr++ = WGL_CONTEXT_MINOR_VERSION_ARB;
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*aptr++ = g_minor;
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/* Technically, we don't have core/compat until 3.2.
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* Version 3.1 is either compat or not depending
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* on GL_ARB_compatibility.
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*/
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if ((g_major * 1000 + g_minor) >= 3002)
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{
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*aptr++ = WGL_CONTEXT_PROFILE_MASK_ARB;
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*aptr++ = WGL_CONTEXT_CORE_PROFILE_BIT_ARB;
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}
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}
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if (debug)
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{
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*aptr++ = WGL_CONTEXT_FLAGS_ARB;
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*aptr++ = WGL_CONTEXT_DEBUG_BIT_ARB;
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}
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*aptr = 0;
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if (!pcreate_context)
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pcreate_context = (wglCreateContextAttribsProc)
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wglGetProcAddress("wglCreateContextAttribsARB");
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if (pcreate_context)
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{
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HGLRC context = pcreate_context(g_hdc, NULL, attribs);
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if (context)
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{
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wglMakeCurrent(NULL, NULL);
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wglDeleteContext(g_hrc);
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g_hrc = context;
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if (!wglMakeCurrent(g_hdc, g_hrc))
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g_quit = true;
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}
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else
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RARCH_ERR("[WGL]: Failed to create core context. Falling back to legacy context.\n");
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if (g_use_hw_ctx)
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{
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g_hw_hrc = pcreate_context(g_hdc, context, attribs);
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if (!g_hw_hrc)
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{
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RARCH_ERR("[WGL]: Failed to create shared context.\n");
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g_quit = true;
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}
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}
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}
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else
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RARCH_ERR("[WGL]: wglCreateContextAttribsARB not supported.\n");
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}
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}
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#ifdef __cplusplus
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extern "C"
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#endif
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bool dinput_handle_message(void *dinput, UINT message, WPARAM wParam, LPARAM lParam);
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static void *dinput_wgl;
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static LRESULT CALLBACK WndProc(HWND hwnd, UINT message,
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WPARAM wparam, LPARAM lparam)
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{
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settings_t *settings = config_get_ptr();
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switch (message)
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{
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case WM_SYSCOMMAND:
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/* Prevent screensavers, etc, while running. */
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switch (wparam)
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{
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case SC_SCREENSAVE:
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case SC_MONITORPOWER:
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return 0;
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}
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break;
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case WM_CHAR:
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case WM_KEYDOWN:
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case WM_KEYUP:
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case WM_SYSKEYUP:
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case WM_SYSKEYDOWN:
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return win32_handle_keyboard_event(hwnd, message, wparam, lparam);
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case WM_CREATE:
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create_gl_context(hwnd);
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return 0;
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case WM_CLOSE:
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case WM_DESTROY:
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case WM_QUIT:
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{
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WINDOWPLACEMENT placement;
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GetWindowPlacement(g_hwnd, &placement);
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g_pos_x = placement.rcNormalPosition.left;
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g_pos_y = placement.rcNormalPosition.top;
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g_quit = true;
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return 0;
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}
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case WM_SIZE:
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/* Do not send resize message if we minimize. */
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if (wparam != SIZE_MAXHIDE && wparam != SIZE_MINIMIZED)
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{
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g_resize_width = LOWORD(lparam);
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g_resize_height = HIWORD(lparam);
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g_resized = true;
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}
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return 0;
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case WM_COMMAND:
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if (settings->ui.menubar_enable)
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{
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LRESULT ret = win32_menu_loop(g_hwnd, wparam);
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}
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break;
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}
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if (dinput_handle_message(dinput_wgl, message, wparam, lparam))
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return 0;
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return DefWindowProc(hwnd, message, wparam, lparam);
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}
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static void gfx_ctx_wgl_swap_interval(void *data, unsigned interval)
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{
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(void)data;
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g_interval = interval;
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if (!g_hrc)
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return;
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if (!p_swap_interval)
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return;
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RARCH_LOG("[WGL]: wglSwapInterval(%u)\n", g_interval);
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if (!p_swap_interval(g_interval))
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RARCH_WARN("[WGL]: wglSwapInterval() failed.\n");
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}
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static void gfx_ctx_wgl_check_window(void *data, bool *quit,
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bool *resize, unsigned *width, unsigned *height, unsigned frame_count)
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{
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MSG msg;
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(void)data;
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(void)frame_count;
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while (PeekMessage(&msg, NULL, 0, 0, PM_REMOVE))
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{
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TranslateMessage(&msg);
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DispatchMessage(&msg);
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}
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*quit = g_quit;
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if (g_resized)
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{
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*resize = true;
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*width = g_resize_width;
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*height = g_resize_height;
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g_resized = false;
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}
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}
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static void gfx_ctx_wgl_swap_buffers(void *data)
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{
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(void)data;
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SwapBuffers(g_hdc);
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}
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static void gfx_ctx_wgl_set_resize(void *data,
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unsigned width, unsigned height)
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{
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(void)data;
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(void)width;
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(void)height;
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}
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static void gfx_ctx_wgl_update_window_title(void *data)
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{
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char buf[128], buf_fps[128];
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settings_t *settings = config_get_ptr();
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(void)data;
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if (video_monitor_get_fps(buf, sizeof(buf),
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buf_fps, sizeof(buf_fps)))
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SetWindowText(g_hwnd, buf);
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if (settings->fps_show)
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rarch_main_msg_queue_push(buf_fps, 1, 1, false);
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}
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static void gfx_ctx_wgl_get_video_size(void *data, unsigned *width, unsigned *height)
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{
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(void)data;
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if (!g_hwnd)
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{
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RECT mon_rect;
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MONITORINFOEX current_mon;
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HMONITOR hm_to_use = NULL;
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monitor_info(¤t_mon, &hm_to_use);
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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_resize_width;
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*height = g_resize_height;
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}
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}
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static BOOL CALLBACK monitor_enum_proc(HMONITOR hMonitor,
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HDC hdcMonitor, LPRECT lprcMonitor, LPARAM dwData)
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{
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g_all_hms[g_num_mons++] = hMonitor;
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return TRUE;
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}
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static bool gfx_ctx_wgl_init(void *data)
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{
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WNDCLASSEX wndclass = {0};
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(void)data;
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if (g_inited)
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return false;
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g_quit = false;
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g_restore_desktop = false;
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g_num_mons = 0;
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EnumDisplayMonitors(NULL, NULL, monitor_enum_proc, 0);
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wndclass.cbSize = sizeof(wndclass);
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wndclass.style = CS_HREDRAW | CS_VREDRAW | CS_OWNDC;
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wndclass.lpfnWndProc = WndProc;
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wndclass.hInstance = GetModuleHandle(NULL);
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wndclass.hCursor = LoadCursor(NULL, IDC_ARROW);
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wndclass.lpszClassName = "RetroArch";
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wndclass.hIcon = LoadIcon(GetModuleHandle(NULL), MAKEINTRESOURCE(IDI_ICON));
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wndclass.hIconSm = (HICON)LoadImage(GetModuleHandle(NULL),
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MAKEINTRESOURCE(IDI_ICON), IMAGE_ICON, 16, 16, 0);
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if (!RegisterClassEx(&wndclass))
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return false;
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if (!wgl_shader_dlg_init())
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RARCH_ERR("[WGL]: wgl_shader_dlg_init() failed.\n");
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return true;
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}
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static bool set_fullscreen(unsigned width, unsigned height, char *dev_name)
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{
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DEVMODE devmode;
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memset(&devmode, 0, sizeof(devmode));
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devmode.dmSize = sizeof(DEVMODE);
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devmode.dmPelsWidth = width;
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devmode.dmPelsHeight = height;
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devmode.dmFields = DM_PELSWIDTH | DM_PELSHEIGHT;
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RARCH_LOG("[WGL]: Setting fullscreen to %ux%u on device %s.\n", width, height, dev_name);
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return ChangeDisplaySettingsEx(dev_name, &devmode, NULL, CDS_FULLSCREEN, NULL) == DISP_CHANGE_SUCCESSFUL;
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}
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static void show_cursor(bool show)
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{
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if (show)
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while (ShowCursor(TRUE) < 0);
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else
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while (ShowCursor(FALSE) >= 0);
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}
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static void monitor_info(MONITORINFOEX *mon, HMONITOR *hm_to_use)
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{
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unsigned fs_monitor;
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settings_t *settings = config_get_ptr();
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if (!g_last_hm)
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g_last_hm = MonitorFromWindow(GetDesktopWindow(), MONITOR_DEFAULTTONEAREST);
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*hm_to_use = g_last_hm;
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fs_monitor = settings->video.monitor_index;
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if (fs_monitor && fs_monitor <= g_num_mons && g_all_hms[fs_monitor - 1])
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*hm_to_use = g_all_hms[fs_monitor - 1];
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memset(mon, 0, sizeof(*mon));
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mon->cbSize = sizeof(MONITORINFOEX);
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GetMonitorInfo(*hm_to_use, (MONITORINFO*)mon);
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}
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static bool gfx_ctx_wgl_set_video_mode(void *data,
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unsigned width, unsigned height,
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bool fullscreen)
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{
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DWORD style;
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MSG msg;
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RECT mon_rect;
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MONITORINFOEX current_mon;
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bool windowed_full;
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RECT rect = {0};
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HMONITOR hm_to_use = NULL;
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driver_t *driver = driver_get_ptr();
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settings_t *settings = config_get_ptr();
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monitor_info(¤t_mon, &hm_to_use);
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mon_rect = current_mon.rcMonitor;
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g_resize_width = width;
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g_resize_height = height;
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windowed_full = settings->video.windowed_fullscreen;
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if (fullscreen)
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{
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if (windowed_full)
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{
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style = WS_EX_TOPMOST | WS_POPUP;
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g_resize_width = width = mon_rect.right - mon_rect.left;
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g_resize_height = height = mon_rect.bottom - mon_rect.top;
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}
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else
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{
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style = WS_POPUP | WS_VISIBLE;
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if (!set_fullscreen(width, height, current_mon.szDevice))
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goto error;
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/* Display settings might have changed, get new coordinates. */
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GetMonitorInfo(hm_to_use, (MONITORINFO*)¤t_mon);
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mon_rect = current_mon.rcMonitor;
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g_restore_desktop = true;
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}
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}
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else
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{
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style = WS_OVERLAPPEDWINDOW | WS_CLIPSIBLINGS | WS_CLIPCHILDREN;
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rect.right = width;
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rect.bottom = height;
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AdjustWindowRect(&rect, style, FALSE);
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g_resize_width = width = rect.right - rect.left;
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g_resize_height = height = rect.bottom - rect.top;
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}
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g_hwnd = CreateWindowEx(0, "RetroArch", "RetroArch", style,
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fullscreen ? mon_rect.left : g_pos_x,
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fullscreen ? mon_rect.top : g_pos_y,
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width, height,
|
|
NULL, NULL, NULL, NULL);
|
|
|
|
if (!g_hwnd)
|
|
goto error;
|
|
|
|
if (!fullscreen || windowed_full)
|
|
{
|
|
if (!fullscreen && settings->ui.menubar_enable)
|
|
{
|
|
RECT rc_temp = {0, 0, height, 0x7FFF};
|
|
SetMenu(g_hwnd, LoadMenu(GetModuleHandle(NULL),MAKEINTRESOURCE(IDR_MENU)));
|
|
SendMessage(g_hwnd, WM_NCCALCSIZE, FALSE, (LPARAM)&rc_temp);
|
|
g_resize_height = height += rc_temp.top + rect.top;
|
|
SetWindowPos(g_hwnd, NULL, 0, 0, width, height, SWP_NOMOVE);
|
|
}
|
|
|
|
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 ...) */
|
|
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_wgl_swap_interval(data, g_interval);
|
|
|
|
driver->display_type = RARCH_DISPLAY_WIN32;
|
|
driver->video_display = 0;
|
|
driver->video_window = (uintptr_t)g_hwnd;
|
|
|
|
return true;
|
|
|
|
error:
|
|
gfx_ctx_wgl_destroy(data);
|
|
return false;
|
|
}
|
|
|
|
static void gfx_ctx_wgl_destroy(void *data)
|
|
{
|
|
driver_t *driver = driver_get_ptr();
|
|
|
|
(void)data;
|
|
|
|
if (g_hrc)
|
|
{
|
|
glFinish();
|
|
wglMakeCurrent(NULL, NULL);
|
|
|
|
if (!driver->video_cache_context)
|
|
{
|
|
if (g_hw_hrc)
|
|
wglDeleteContext(g_hw_hrc);
|
|
wglDeleteContext(g_hrc);
|
|
g_hrc = NULL;
|
|
g_hw_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;
|
|
memset(¤t_mon, 0, sizeof(current_mon));
|
|
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;
|
|
g_major = g_minor = 0;
|
|
p_swap_interval = NULL;
|
|
}
|
|
|
|
static void gfx_ctx_wgl_input_driver(void *data,
|
|
const input_driver_t **input, void **input_data)
|
|
{
|
|
(void)data;
|
|
|
|
dinput_wgl = input_dinput.init();
|
|
|
|
*input = dinput_wgl ? &input_dinput : NULL;
|
|
*input_data = dinput_wgl;
|
|
}
|
|
|
|
static bool gfx_ctx_wgl_has_focus(void *data)
|
|
{
|
|
(void)data;
|
|
|
|
if (!g_inited)
|
|
return false;
|
|
|
|
return GetFocus() == g_hwnd;
|
|
}
|
|
|
|
static bool gfx_ctx_wgl_suppress_screensaver(void *data, bool enable)
|
|
{
|
|
(void)data;
|
|
(void)enable;
|
|
|
|
return false;
|
|
}
|
|
|
|
static bool gfx_ctx_wgl_has_windowed(void *data)
|
|
{
|
|
(void)data;
|
|
|
|
return true;
|
|
}
|
|
|
|
static gfx_ctx_proc_t gfx_ctx_wgl_get_proc_address(const char *symbol)
|
|
{
|
|
void *func = (void *)wglGetProcAddress(symbol);
|
|
if (func)
|
|
return (gfx_ctx_proc_t)wglGetProcAddress(symbol);
|
|
return (gfx_ctx_proc_t)GetProcAddress(dll_handle, symbol);
|
|
}
|
|
|
|
static bool gfx_ctx_wgl_bind_api(void *data,
|
|
enum gfx_ctx_api api, unsigned major, unsigned minor)
|
|
{
|
|
(void)data;
|
|
|
|
g_major = major;
|
|
g_minor = minor;
|
|
|
|
return api == GFX_CTX_OPENGL_API;
|
|
}
|
|
|
|
static void gfx_ctx_wgl_show_mouse(void *data, bool state)
|
|
{
|
|
(void)data;
|
|
show_cursor(state);
|
|
}
|
|
|
|
static void gfx_ctx_wgl_bind_hw_render(void *data, bool enable)
|
|
{
|
|
g_use_hw_ctx = enable;
|
|
|
|
if (g_hdc)
|
|
wglMakeCurrent(g_hdc, enable ? g_hw_hrc : g_hrc);
|
|
}
|
|
|
|
const gfx_ctx_driver_t gfx_ctx_wgl = {
|
|
gfx_ctx_wgl_init,
|
|
gfx_ctx_wgl_destroy,
|
|
gfx_ctx_wgl_bind_api,
|
|
gfx_ctx_wgl_swap_interval,
|
|
gfx_ctx_wgl_set_video_mode,
|
|
gfx_ctx_wgl_get_video_size,
|
|
NULL, /* get_video_output_size */
|
|
NULL, /* get_video_output_prev */
|
|
NULL, /* get_video_output_next */
|
|
NULL,
|
|
gfx_ctx_wgl_update_window_title,
|
|
gfx_ctx_wgl_check_window,
|
|
gfx_ctx_wgl_set_resize,
|
|
gfx_ctx_wgl_has_focus,
|
|
gfx_ctx_wgl_suppress_screensaver,
|
|
gfx_ctx_wgl_has_windowed,
|
|
gfx_ctx_wgl_swap_buffers,
|
|
gfx_ctx_wgl_input_driver,
|
|
gfx_ctx_wgl_get_proc_address,
|
|
#ifdef HAVE_EGL
|
|
NULL,
|
|
NULL,
|
|
#endif
|
|
gfx_ctx_wgl_show_mouse,
|
|
"wgl",
|
|
gfx_ctx_wgl_bind_hw_render,
|
|
};
|
|
|