https://old.reddit.com/r/golang/comments/18n355v/stretchdibits_doesnt_work_on_windows_10/

stretchdibits.c

// $ cc -mwindows stretchdibits.c
#include <windows.h>

enum {
    WIDTH = 1280,
    HEIGHT = 720,
};

static unsigned char *pixels;

int blit(HDC dc)
{
    BITMAPINFO info = {
        .bmiHeader = {
            .biSize = sizeof(info.bmiHeader),
            .biWidth = WIDTH,
            .biHeight = -HEIGHT,
            .biPlanes = 1,
            .biBitCount = 32,
            .biCompression = BI_RGB,
        },
    };
    int r = StretchDIBits(
        dc,
        0, 0, WIDTH, HEIGHT,
        0, 0, WIDTH, HEIGHT,
        pixels,
        &info,
        DIB_RGB_COLORS,
        SRCCOPY
    );
    return r;
}

LRESULT CALLBACK mainLoop(HWND hwnd, UINT msg, WPARAM wparam, LPARAM lparam)
{
    switch (msg) {
    case WM_CLOSE:
        DestroyWindow(hwnd);
        break;
    case WM_DESTROY:
        PostQuitMessage(0);
        break;
    case WM_PAINT:
        HDC dc = GetDC(hwnd);
        blit(dc);
        ReleaseDC(hwnd, dc);
        break;
    }
    return DefWindowProcW(hwnd, msg, wparam, lparam);
}

HWND createWindow(void)
{
    wchar_t *className = L"buggy.example.window";
    WNDCLASSEXW wndclass = {
        .cbSize = sizeof(wndclass),
        .lpfnWndProc =  mainLoop,
        .lpszClassName = className,
    };
	RegisterClassExW(&wndclass);
	HWND w = CreateWindowExW(
		0, className, L"title",
		WS_VISIBLE|WS_OVERLAPPEDWINDOW,
		CW_USEDEFAULT, CW_USEDEFAULT,
        WIDTH, HEIGHT,
		0, 0, 0, 0
	);
    return w;
}

int main(void)
{
    // Place it at the same address as Go
    pixels = VirtualAlloc(
        (void *)0xc000100000,
        WIDTH*HEIGHT*4,
        MEM_RESERVE|MEM_COMMIT,
        PAGE_READWRITE
    );

    for (int y = 0; y < HEIGHT; y++) {
        for (int x = 0; x < WIDTH; x++) {
            pixels[y*WIDTH*4 + x*4 + 0] = 0x00;
            pixels[y*WIDTH*4 + x*4 + 1] = 0x00;
            pixels[y*WIDTH*4 + x*4 + 2] = 0xff;
            pixels[y*WIDTH*4 + x*4 + 3] = 0xff;
        }
    }

	createWindow();
    for (MSG msg; GetMessageW(&msg, 0, 0, 0);) {
        if (msg.message == WM_QUIT) {
            break;
        }
        TranslateMessage(&msg);
        DispatchMessageW(&msg);
    }
}