From fcac2d7e78cb3ef179b8871d827f839d6fe99f06 Mon Sep 17 00:00:00 2001
From: ts-korhonen <teemu.s.korhonen@gmail.com>
Date: Mon, 26 Apr 2021 09:51:23 +0300
Subject: [PATCH] win_openg: Added menu item to remove active shader.

---
 src/include/86box/resource.h | 1 +
 src/win/86Box.rc             | 1 +
 src/win/win_ui.c             | 9 +++++++++
 3 files changed, 11 insertions(+)

diff --git a/src/include/86box/resource.h b/src/include/86box/resource.h
index b5f9a6449..2d3fe763c 100644
--- a/src/include/86box/resource.h
+++ b/src/include/86box/resource.h
@@ -350,6 +350,7 @@
 #define IDM_VID_GL_FPS_75	40105
 #define IDM_VID_GL_VSYNC	40106
 #define IDM_VID_GL_SHADER	40107
+#define IDM_VID_GL_NOSHADER	40108
 #endif
 
 #define IDM_LOG_BREAKPOINT	51201
diff --git a/src/win/86Box.rc b/src/win/86Box.rc
index 24df898da..09c50f2b6 100644
--- a/src/win/86Box.rc
+++ b/src/win/86Box.rc
@@ -251,6 +251,7 @@ BEGIN
     END
     MENUITEM "&VSync", IDM_VID_GL_VSYNC
     MENUITEM "&Select shader...", IDM_VID_GL_SHADER
+    MENUITEM "&Remove shader", IDM_VID_GL_NOSHADER
 END
 #endif
 
diff --git a/src/win/win_ui.c b/src/win/win_ui.c
index ccf737f94..8093e7f8d 100644
--- a/src/win/win_ui.c
+++ b/src/win/win_ui.c
@@ -234,6 +234,7 @@ show_render_options_menu()
 			CheckMenuItem(menuMain, IDM_VID_GL_FPS_60, video_framerate == 60 ? MF_CHECKED : MF_UNCHECKED);
 			CheckMenuItem(menuMain, IDM_VID_GL_FPS_75, video_framerate == 75 ? MF_CHECKED : MF_UNCHECKED);
 			CheckMenuItem(menuMain, IDM_VID_GL_VSYNC, video_vsync ? MF_CHECKED : MF_UNCHECKED);
+			EnableMenuItem(menuMain, IDM_VID_GL_NOSHADER, strlen(video_shader) > 0 ? MF_ENABLED : MF_DISABLED);
 			break;
 		}
 	}
@@ -778,10 +779,18 @@ MainWindowProcedure(HWND hwnd, UINT message, WPARAM wParam, LPARAM lParam)
 			case IDM_VID_GL_SHADER:
 				win_notify_dlg_open();
 				if (file_dlg_st(hwnd, IDS_2143, video_shader, NULL, 0) == 0)
+				{
 					strcpy_s(video_shader, sizeof(video_shader), openfilestring);
+					EnableMenuItem(menuMain, IDM_VID_GL_NOSHADER, strlen(video_shader) > 0 ? MF_ENABLED : MF_DISABLED);
+				}
 				win_notify_dlg_closed();
 				plat_vid_reload_options();
 				break;
+			case IDM_VID_GL_NOSHADER:
+				video_shader[0] = '\0';
+				EnableMenuItem(menuMain, IDM_VID_GL_NOSHADER, MF_DISABLED);
+				plat_vid_reload_options();
+				break;
 #endif
 
 			case IDM_VID_FULLSCREEN: