mmozeiko

// example how to set up WebGPU rendering on Windows in C
// uses Dawn implementation of WebGPU: https://dawn.googlesource.com/dawn/
// download pre-built Dawn webgpu.h/dll/lib files from https://github.com/mmozeiko/build-dawn/releases/latest

#include "webgpu.h"

#define WIN32_LEAN_AND_MEAN
#include <windows.h>

#define _USE_MATH_DEFINES

mmozeiko

extern "C"
{
    int _fltused;

#ifdef _M_IX86 // following functions are needed only for 32-bit architecture

    __declspec(naked) void _ftol2()
    {
        __asm
        {

mmozeiko

#pragma once

#include <stdint.h>

#define PCG_DEFAULT_MULTIPLIER_64 6364136223846793005ULL
#define PCG_DEFAULT_INCREMENT_64  1442695040888963407ULL

typedef struct {
    uint64_t state;
} pcg32;

mmozeiko

//

struct TerminalCell
{
    // cell index into GlyphTexture, should be two 16-bit (x,y) values packed: "x | (y << 16)"
    uint GlyphIndex;

    // 0xAABBGGRR encoded colors, nonzero alpha for Foreground indicates to render colored-glyph
    // which means use RGB values from GlyphTexture directly as output, not as  ClearType blending weights
    uint Foreground;

mmozeiko

// example of using Windows Preview Handler
// https://learn.microsoft.com/en-us/windows/win32/shell/preview-handlers

#define COBJMACROS
#define WIN32_LEAN_AND_MEAN
#include <windows.h>
#include <shlwapi.h>
#include <shellapi.h>
#include <shobjidl.h>

mmozeiko

// generic A* pathfinding

//
// INTERFACE
//

// mandatory macros

#ifndef ASTAR_POS_TYPE
#error ASTAR_POS_TYPE should specify position type

mmozeiko

#pragma once

#define MEOW_HASH_VERSION 5
#define MEOW_HASH_VERSION_NAME "0.5/calico"

// Meow hash v0.5 with ARMv8 Crypto Extension instructions
// Ported from https://github.com/cmuratori/meow_hash

// Performance on Pine A64 (Cortex-A53, 1.2GHz)
// (compiled with clang v10.0 with -O3 -mcpu=cortex-a53)

mmozeiko

#pragma once

#define MEOW_HASH_VERSION 5
#define MEOW_HASH_VERSION_NAME "0.5/calico"

// Meow hash v0.5 in C without dependency on special CPU instructions
// Ported from https://github.com/cmuratori/meow_hash

// Performance on Ryzen 9 3950X
// AESNI code = ~16 bytes/cycle

mmozeiko

#include <stdio.h>

#define STR2(x) #x
#define STR(x) STR2(x)

#ifdef _WIN32
#define INCBIN_SECTION ".rdata, \"dr\""
#else
#define INCBIN_SECTION ".rodata"
#endif

mmozeiko

// download glfw3 from https://www.glfw.org/download and then compile:
// cl.exe -O2 q1.c -Iinclude -link opengl32.lib glu32.lib lib-vc2019\glfw3dll.lib

#define _CRT_SECURE_NO_DEPRECATE
#include <stdint.h>
#include <string.h>
#include <stdio.h>
#include <math.h>
#include <assert.h>