glfw/tests/native.c
2018-01-17 18:22:49 +01:00

110 lines
3.2 KiB
C

//========================================================================
// Win32 native handle attachment test
// Copyright (c) Camilla Löwy <elmindreda@glfw.org>
//
// This software is provided 'as-is', without any express or implied
// warranty. In no event will the authors be held liable for any damages
// arising from the use of this software.
//
// Permission is granted to anyone to use this software for any purpose,
// including commercial applications, and to alter it and redistribute it
// freely, subject to the following restrictions:
//
// 1. The origin of this software must not be misrepresented; you must not
// claim that you wrote the original software. If you use this software
// in a product, an acknowledgment in the product documentation would
// be appreciated but is not required.
//
// 2. Altered source versions must be plainly marked as such, and must not
// be misrepresented as being the original software.
//
// 3. This notice may not be removed or altered from any source
// distribution.
//
//========================================================================
#define UNICODE
#include <glad/glad.h>
#include <GLFW/glfw3.h>
#define GLFW_EXPOSE_NATIVE_WIN32
#include <GLFW/glfw3native.h>
#include <stdio.h>
#include <stdlib.h>
static void error_callback(int error, const char* description)
{
fprintf(stderr, "Error: %s\n", description);
}
static LRESULT CALLBACK windowProc(HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
{
// This will only be used until glfwAttachWin32Window
return DefWindowProcW(hWnd, uMsg, wParam, lParam);
}
int main(void)
{
GLFWwindow* window;
WNDCLASSEX wc;
HWND handle;
ZeroMemory(&wc, sizeof(wc));
wc.cbSize = sizeof(wc);
wc.style = CS_HREDRAW | CS_VREDRAW | CS_OWNDC;
wc.lpfnWndProc = (WNDPROC) windowProc;
wc.hInstance = GetModuleHandleW(NULL);
wc.hCursor = LoadCursorW(NULL, IDC_ARROW);
wc.lpszClassName = L"SomeKindOfWindowClassName";
if (!RegisterClassExW(&wc))
exit(EXIT_FAILURE);
handle = CreateWindowExW(WS_EX_APPWINDOW,
L"SomeKindOfWindowClassName",
L"HWND attachment test",
WS_OVERLAPPEDWINDOW | WS_VISIBLE,
CW_USEDEFAULT, CW_USEDEFAULT,
600, 400,
NULL,
NULL,
GetModuleHandleW(NULL),
NULL);
if (!handle)
exit(EXIT_FAILURE);
glfwSetErrorCallback(error_callback);
if (!glfwInit())
{
DestroyWindow(handle);
exit(EXIT_FAILURE);
}
window = glfwAttachWin32Window(handle, NULL);
if (!window)
{
glfwTerminate();
DestroyWindow(handle);
exit(EXIT_FAILURE);
}
glfwMakeContextCurrent(window);
gladLoadGLLoader((GLADloadproc) glfwGetProcAddress);
glfwSwapInterval(1);
while (!glfwWindowShouldClose(window))
{
glClear(GL_COLOR_BUFFER_BIT);
glfwSwapBuffers(window);
glfwWaitEvents();
}
glfwTerminate();
DestroyWindow(handle);
exit(EXIT_SUCCESS);
}