1 // Copyright 2018 The SwiftShader Authors. All Rights Reserved.
2 //
3 // Licensed under the Apache License, Version 2.0 (the "License");
4 // you may not use this file except in compliance with the License.
5 // You may obtain a copy of the License at
6 //
7 // http://www.apache.org/licenses/LICENSE-2.0
8 //
9 // Unless required by applicable law or agreed to in writing, software
10 // distributed under the License is distributed on an "AS IS" BASIS,
11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 // See the License for the specific language governing permissions and
13 // limitations under the License.
14
15 // main.cpp: DLL entry point.
16
17 #if defined(_WIN32)
18 # include "resource.h"
19 # include <windows.h>
20
21 # ifdef DEBUGGER_WAIT_DIALOG
DebuggerWaitDialogProc(HWND hwnd,UINT uMsg,WPARAM wParam,LPARAM lParam)22 static INT_PTR CALLBACK DebuggerWaitDialogProc(HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
23 {
24 RECT rect;
25
26 switch(uMsg)
27 {
28 case WM_INITDIALOG:
29 GetWindowRect(GetDesktopWindow(), &rect);
30 SetWindowPos(hwnd, HWND_TOP, rect.right / 2, rect.bottom / 2, 0, 0, SWP_NOSIZE);
31 SetTimer(hwnd, 1, 100, NULL);
32 return TRUE;
33 case WM_COMMAND:
34 if(LOWORD(wParam) == IDCANCEL)
35 {
36 EndDialog(hwnd, 0);
37 }
38 break;
39 case WM_TIMER:
40 if(IsDebuggerPresent())
41 {
42 EndDialog(hwnd, 0);
43 }
44 }
45
46 return FALSE;
47 }
48
WaitForDebugger(HINSTANCE instance)49 static void WaitForDebugger(HINSTANCE instance)
50 {
51 if(!IsDebuggerPresent())
52 {
53 HRSRC dialog = FindResource(instance, MAKEINTRESOURCE(IDD_DIALOG1), RT_DIALOG);
54 DLGTEMPLATE *dialogTemplate = (DLGTEMPLATE *)LoadResource(instance, dialog);
55 DialogBoxIndirect(instance, dialogTemplate, NULL, DebuggerWaitDialogProc);
56 }
57 }
58 # endif
59
DllMain(HINSTANCE instance,DWORD reason,LPVOID reserved)60 extern "C" BOOL WINAPI DllMain(HINSTANCE instance, DWORD reason, LPVOID reserved)
61 {
62 switch(reason)
63 {
64 case DLL_PROCESS_ATTACH:
65 # ifdef DEBUGGER_WAIT_DIALOG
66 {
67 char disable_debugger_wait_dialog[] = "0";
68 GetEnvironmentVariable("SWIFTSHADER_DISABLE_DEBUGGER_WAIT_DIALOG", disable_debugger_wait_dialog, sizeof(disable_debugger_wait_dialog));
69
70 if(disable_debugger_wait_dialog[0] != '1')
71 {
72 WaitForDebugger(instance);
73 }
74 }
75 # endif
76 break;
77 case DLL_THREAD_ATTACH:
78 case DLL_THREAD_DETACH:
79 case DLL_PROCESS_DETACH:
80 default:
81 break;
82 }
83
84 return TRUE;
85 }
86 #endif
87