1 /*
2 * Copyright © 2013 Intel Corporation
3 *
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the "Software"),
6 * to deal in the Software without restriction, including without limitation
7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8 * and/or sell copies of the Software, and to permit persons to whom the
9 * Software is furnished to do so, subject to the following conditions:
10 *
11 * The above copyright notice and this permission notice (including the next
12 * paragraph) shall be included in all copies or substantial portions of the
13 * Software.
14 *
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
18 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
19 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
20 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
21 * IN THE SOFTWARE.
22 */
23
24 #include <stdio.h>
25 #include <epoxy/wgl.h>
26 #include "wgl_common.h"
27
28 static int (*test_callback)(HDC hdc);
29
30 static void
setup_pixel_format(HDC hdc)31 setup_pixel_format(HDC hdc)
32 {
33 PIXELFORMATDESCRIPTOR pfd = {
34 sizeof(PIXELFORMATDESCRIPTOR),
35 1,
36 PFD_SUPPORT_OPENGL |
37 PFD_DRAW_TO_WINDOW |
38 PFD_DOUBLEBUFFER,
39 PFD_TYPE_RGBA,
40 32,
41 0, 0, 0, 0, 0, 0,
42 0,
43 0,
44 0,
45 0, 0, 0, 0,
46 16,
47 0,
48 0,
49 PFD_MAIN_PLANE,
50 0,
51 0, 0, 0,
52 };
53 int pixel_format;
54
55 pixel_format = ChoosePixelFormat(hdc, &pfd);
56 if (!pixel_format) {
57 fputs("ChoosePixelFormat failed.\n", stderr);
58 exit(1);
59 }
60
61 if (SetPixelFormat(hdc, pixel_format, &pfd) != TRUE) {
62 fputs("SetPixelFormat() failed.\n", stderr);
63 exit(1);
64 }
65 }
66
67 static LRESULT CALLBACK
window_proc(HWND hwnd,UINT message,WPARAM wparam,LPARAM lparam)68 window_proc(HWND hwnd, UINT message, WPARAM wparam, LPARAM lparam)
69 {
70 HDC hdc = GetDC(hwnd);
71 int ret;
72
73 switch (message) {
74 case WM_CREATE:
75 setup_pixel_format(hdc);
76 ret = test_callback(hdc);
77 ReleaseDC(hwnd, hdc);
78 exit(ret);
79 return 0;
80 default:
81 return DefWindowProc(hwnd, message, wparam, lparam);
82 }
83 }
84
85 void
make_window_and_test(int (* callback)(HDC hdc))86 make_window_and_test(int (*callback)(HDC hdc))
87 {
88 const char *class_name = "epoxy";
89 const char *window_name = "epoxy";
90 int width = 150;
91 int height = 150;
92 HWND hwnd;
93 HINSTANCE hcurrentinst = NULL;
94 WNDCLASS window_class;
95 MSG msg;
96
97 test_callback = callback;
98
99 memset(&window_class, 0, sizeof(window_class));
100 window_class.style = CS_OWNDC | CS_HREDRAW | CS_VREDRAW;
101 window_class.lpfnWndProc = window_proc;
102 window_class.cbClsExtra = 0;
103 window_class.cbWndExtra = 0;
104 window_class.hInstance = hcurrentinst;
105 window_class.hIcon = LoadIcon(NULL, IDI_APPLICATION);
106 window_class.hCursor = LoadCursor(NULL, IDC_ARROW);
107 window_class.hbrBackground = (HBRUSH)(COLOR_WINDOW + 1);
108 window_class.lpszMenuName = NULL;
109 window_class.lpszClassName = class_name;
110 if (!RegisterClass(&window_class)) {
111 fputs("Failed to register window class\n", stderr);
112 exit(1);
113 }
114
115 /* create window */
116 hwnd = CreateWindow(class_name, window_name,
117 WS_OVERLAPPEDWINDOW | WS_CLIPCHILDREN | WS_CLIPSIBLINGS,
118 0, 0, width, height,
119 NULL, NULL, hcurrentinst, NULL);
120
121 ShowWindow(hwnd, SW_SHOWDEFAULT);
122 UpdateWindow(hwnd);
123
124 while (GetMessage(&msg, NULL, 0, 0)) {
125 TranslateMessage(&msg);
126 DispatchMessage(&msg);
127 }
128 }
129