Skip to content

Instantly share code, notes, and snippets.

View mmozeiko's full-sized avatar

Mārtiņš Možeiko mmozeiko

823 followers · 0 following
View GitHub Profile
@mmozeiko
mmozeiko / info.txt
Last active June 7, 2020 06:33
OpenGL info with mesa vc4 on RaspberryPi 3B+ with 64-bit ArchLinuxArm (aarch64)
$ cat /etc/issue
Arch Linux \r (\l)
$ uname -a
Linux alarm3 4.20.8-1-ARCH #1 SMP Tue Feb 12 21:12:07 MST 2019 aarch64 GNU/Linux
##### EGL info
EGL client extensions = EGL_EXT_client_extensions EGL_EXT_device_base EGL_EXT_device_enumeration EGL_EXT_device_query EGL_EXT_platform_base EGL_KHR_client_get_all_proc_addresses EGL_KHR_debug EGL_MESA_platform_gbm
@mmozeiko
mmozeiko / info.txt
Last active June 7, 2020 06:33
OpenGL info with mesa vc4 on RaspberryPi 0 with 32-bit ArchLinuxArm (armv6)
$ cat /etc/issue
Arch Linux \r (\l)
$ uname -a
Linux alarm0 4.14.98-1-ARCH #1 SMP Wed Feb 13 04:28:06 UTC 2019 armv6l GNU/Linux
##### EGL info
EGL client extensions = EGL_EXT_client_extensions EGL_EXT_device_base EGL_EXT_device_enumeration EGL_EXT_device_query EGL_EXT_platform_base EGL_KHR_client_get_all_proc_addresses EGL_KHR_debug EGL_MESA_platform_gbm
@mmozeiko
mmozeiko / unitypackage2zip.py
Created February 9, 2019 12:31
Python script that converts .unitypackage file to .zip archive
#!/usr/bin/env python3
import sys
import tarfile
import zipfile
from pathlib import Path
src = sys.argv[1]
dst = Path(src).name + ".zip"
@mmozeiko
mmozeiko / go_aeshash.h
Created November 14, 2018 07:34
Go's AES-NI based hash
#include <stddef.h>
#include <stdint.h>
#include <intrin.h>
// see aeshashbody in https://github.com/golang/go/blob/master/src/runtime/asm_amd64.s
// this is initialized on process startup with random from system
static __declspec(align(16)) uint8_t aeskeysched[128];
static __declspec(align(16)) const uint8_t masks[16][16] =
@mmozeiko
mmozeiko / dwrite.cpp
Created July 25, 2018 17:36
DirectWrite without D2D
#define WIN32_LEAN_AND_MEAN
#include <windows.h>
#include <dwrite.h>
#include <intrin.h>
#pragma comment (lib, "gdi32.lib")
#pragma comment (lib, "user32.lib")
#pragma comment (lib, "dwrite.lib")
#define CHECK(x) do { if (!(x)) __debugbreak(); } while (0)
@mmozeiko
mmozeiko / floor.c
Last active June 16, 2025 04:23
floor function for floats with SSE or SSE2
// floor function for floats with SSE1 or SSE2
#include <emmintrin.h>
#include <smmintrin.h>
#ifdef _MSC_VER
#include <intrin.h>
#else
#define __rdtsc() __builtin_ia32_rdtsc()
#endif
@mmozeiko
mmozeiko / hook.c
Last active October 13, 2024 00:45
reads process stdout + stderr and prints it out as it becomes available
// compile this to hook.dll
// for example, with MSVC: cl.exe /LD /MT /O2 hook.c /Fehook.dll
#include <windows.h>
// get this from https://github.com/kubo/plthook
#include "plthook_win32.c"
static plthook_t* hook;
@mmozeiko
mmozeiko / test.c
Last active April 28, 2024 20:52
gtk widget from x11 window
// gcc test.c `pkg-config --cflags --libs gtk+-3.0 gdk-3.0` -lX11 && ./a.out
#include <X11/Xlib.h>
#include <unistd.h>
#include <stdio.h>
#include <gtk/gtk.h>
#include <gdk/gdkx.h>
static void my_gtk_realize(GtkWidget* widget, gpointer user)
@mmozeiko
mmozeiko / crt.cpp
Created January 16, 2017 01:33
MSVC CRT startup
#include <windows.h>
extern "C"
{
#pragma section(".CRT$XIA",long,read)
#pragma section(".CRT$XIZ",long,read)
#pragma section(".CRT$XCA",long,read)
#pragma section(".CRT$XCZ",long,read)
#pragma section(".CRT$XPA",long,read)
#pragma section(".CRT$XPZ",long,read)
@mmozeiko
mmozeiko / build.bat
Last active January 31, 2025 23:36
build.bat with caching (for VS2019)
@echo off
setlocal EnableDelayedExpansion
set BUILD_CACHE=%~dp0\_build_cache.cmd
if exist "!BUILD_CACHE!" (
rem cache file exists, so call it to set env variables very fast
call "!BUILD_CACHE!"
) else (
if not exist "%VS2019INSTALLDIR%\VC\Auxiliary\Build\vcvarsall.bat" (