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libepoxy/test/wgl_common.c

129 lines
3.7 KiB

/*
* Copyright © 2013 Intel Corporation
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice (including the next
* paragraph) shall be included in all copies or substantial portions of the
* Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
* IN THE SOFTWARE.
*/
#include <stdio.h>
#include <epoxy/wgl.h>
#include "wgl_common.h"
static int (*test_callback)(HDC hdc);
static void
setup_pixel_format(HDC hdc)
{
PIXELFORMATDESCRIPTOR pfd = {
sizeof(PIXELFORMATDESCRIPTOR),
1,
PFD_SUPPORT_OPENGL |
PFD_DRAW_TO_WINDOW |
PFD_DOUBLEBUFFER,
PFD_TYPE_RGBA,
32,
0, 0, 0, 0, 0, 0,
0,
0,
0,
0, 0, 0, 0,
16,
0,
0,
PFD_MAIN_PLANE,
0,
0, 0, 0,
};
int pixel_format;
pixel_format = ChoosePixelFormat(hdc, &pfd);
if (!pixel_format) {
fprintf(stderr, "ChoosePixelFormat failed.\n");
exit(1);
}
if (SetPixelFormat(hdc, pixel_format, &pfd) != TRUE) {
fprintf(stderr, "SetPixelFormat() failed.\n");
exit(1);
}
}
static LRESULT CALLBACK
window_proc(HWND hwnd, UINT message, WPARAM wparam, LPARAM lparam)
{
HDC hdc = GetDC(hwnd);
int ret;
switch (message) {
case WM_CREATE:
setup_pixel_format(hdc);
ret = test_callback(hdc);
ReleaseDC(hwnd, hdc);
exit(ret);
return 0;
default:
return DefWindowProc(hwnd, message, wparam, lparam);
}
}
void
make_window_and_test(int (*callback)(HDC hdc))
{
const char *class_name = "epoxy";
const char *window_name = "epoxy";
int width = 150;
int height = 150;
HWND hwnd;
HINSTANCE hcurrentinst = NULL;
WNDCLASS window_class;
MSG msg;
test_callback = callback;
memset(&window_class, 0, sizeof(window_class));
window_class.style = CS_OWNDC | CS_HREDRAW | CS_VREDRAW;
window_class.lpfnWndProc = window_proc;
window_class.cbClsExtra = 0;
window_class.cbWndExtra = 0;
window_class.hInstance = hcurrentinst;
window_class.hIcon = LoadIcon(NULL, IDI_APPLICATION);
window_class.hCursor = LoadCursor(NULL, IDC_ARROW);
window_class.hbrBackground = (HBRUSH)(COLOR_WINDOW + 1);
window_class.lpszMenuName = NULL;
window_class.lpszClassName = class_name;
if (!RegisterClass(&window_class)) {
fprintf(stderr, "Failed to register window class\n");
exit(1);
}
/* create window */
hwnd = CreateWindow(class_name, window_name,
WS_OVERLAPPEDWINDOW | WS_CLIPCHILDREN | WS_CLIPSIBLINGS,
0, 0, width, height,
NULL, NULL, hcurrentinst, NULL);
ShowWindow(hwnd, SW_SHOWDEFAULT);
UpdateWindow(hwnd);
while (GetMessage(&msg, NULL, 0, 0)) {
TranslateMessage(&msg);
DispatchMessage(&msg);
}
}