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mmozeiko / webcam_capture.c
Created August 28, 2019 20:25
Capture webcam device with Media Foundation API
#define COBJMACROS
#define WIN32_LEAN_AND_MEAN
#include <windows.h>
#include <mfapi.h>
#include <mfidl.h>
#include <mfreadwrite.h>
#include <stdio.h>
#include <intrin.h>
@mmozeiko
mmozeiko / raspbian_buster.txt
Last active July 20, 2019 09:24
OpenGL info on Raspberry Pi 4
EGL_VENDOR = Mesa Project
EGL_VERSION = 1.4
EGL_CLIENT_APIS = OpenGL OpenGL_ES
EGL_EXTENSIONS = EGL_EXT_buffer_age EGL_EXT_image_dma_buf_import EGL_EXT_image_dma_buf_import_modifiers EGL_KHR_cl_event2 EGL_KHR_config_attribs EGL_KHR_create_context EGL_KHR_create_context_no_error EGL_KHR_fence_sync EGL_KHR_get_all_proc_addresses EGL_KHR_gl_colorspace EGL_KHR_gl_renderbuffer_image EGL_KHR_gl_texture_2D_image EGL_KHR_gl_texture_3D_image EGL_KHR_gl_texture_cubemap_image EGL_KHR_image EGL_KHR_image_base EGL_KHR_image_pixmap EGL_KHR_no_config_context EGL_KHR_reusable_sync EGL_KHR_surfaceless_context EGL_EXT_pixel_format_float EGL_KHR_wait_sync EGL_MESA_configless_context EGL_MESA_drm_image EGL_MESA_image_dma_buf_export
// GLES API
GL_VENDOR = Broadcom
GL_RENDERER = V3D 4.2
GL_VERSION = OpenGL ES 3.0 Mesa 19.1.2
@mmozeiko
mmozeiko / ods.c
Created April 16, 2019 19:20
Example how to capture OutputDebugString on Windows
#include <windows.h>
#include <intrin.h>
#define Assert(x) do { if (!(x)) __debugbreak(); } while (0)
static struct
{
DWORD process_id;
char data[4096 - sizeof(DWORD)];
}* ods_buffer;
@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;