bagobor

GPU Optimization for GameDev

By person

• Emil Persson @Humus
  • Blog
  • <2013> Low-Level Thinking in High-Level Shading Languages
  • <2014> Low-Level Shader Optimization for Next-Gen and DX11
  • <2018> Rule of optimization
• Matt Pettineo @mynameismjp

bagobor

/*
 * edtaa3()
 *
 * Sweep-and-update Euclidean distance transform of an
 * image. Positive pixels are treated as object pixels,
 * zero or negative pixels are treated as background.
 * An attempt is made to treat antialiased edges correctly.
 * The input image must have pixels in the range [0,1],
 * and the antialiased image should be a box-filter
 * sampling of the ideal, crisp edge.

bagobor

class carray_streambuf : public std::streambuf {
public:
    carray_streambuf(char *data, unsigned int len) {
        setp(data, data+len);
        setg(data, data, data + len);
    }

    // amount of stored (written!) data in bytes
    size_t saved_bytes() const { return pptr() - pbase(); }
};

bagobor

#pragma once

#include <string>

#include <lua/lua.hpp>
#include <luabind/luabind.hpp>
#include <luabind/detail/policy.hpp>
#include <luabind/out_value_policy.hpp>
#include <luabind/operator.hpp>

bagobor

VSync under Windows, revisited
http://www.virtualdub.org/blog/pivot/entry.php?id=157

Windowed mode, vsync stutter, DWM (Vista+)
http://armageddongames.net/showthread.php?96793-Windowed-mode-vsync-stutter-DWM-(Vista-)

DwmFlush function
https://msdn.microsoft.com/en-us/library/windows/desktop/dd389405(v=vs.85).aspx

Bug 856427 - Add vsync support on windows

bagobor

#include <GL/glew.h>
#include <GLFW/glfw3.h>
#include <vector>
#include <cmath>
#include <cstdio>
#include <limits>
#include <chrono>
#include <thread>
#include <mutex>

bagobor

1>------ Build started: Project: libluapp, Configuration: Debug Win32 ------
1>  impl.cpp
1>d:\dev\github\lua-api-pp\luapp\lua_operations.hxx(118): error C2977: 'lua::_::Lazy': too many template arguments
1>  d:\dev\github\lua-api-pp\luapp\lua_lazy.hxx(61): note: see declaration of 'lua::_::Lazy'
1>  d:\dev\github\lua-api-pp\luapp\lua_operations.hxx(193): note: see reference to class template instantiation 'lua::_::lazyConcat<VT11,VT12>' being compiled
1>d:\dev\github\lua-api-pp\luapp\lua_operations.hxx(206): error C2977: 'lua::_::Lazy': too many template arguments
1>  d:\dev\github\lua-api-pp\luapp\lua_lazy.hxx(61): note: see declaration of 'lua::_::Lazy'
1>  d:\dev\github\lua-api-pp\luapp\lua_operations.hxx(272): note: see reference to class template instantiation 'lua::_::lazyArithmetics<T1,T2,op>' being compiled
1>d:\dev\github\lua-api-pp\luapp\lua_valueset.hxx(380): error C2572: 'lua::Valset::Valset': redefinition of default argument: parameter 1
1>  d:\dev\github\lua-api-pp\luapp\lua_valueset.hxx(376): 

bagobor

#include <chaiscript/chaiscript.hpp>
#include <chaiscript/chaiscript_stdlib.hpp>

bool test(int* data) {
	int &i = *data;
	i = i + 2;
	return true;
}

int _tmain(int argc, _TCHAR* argv[])

bagobor

extern "C"
{
#include "lua.h"
#include "lauxlib.h"
#include "lualib.h"
}

struct SimpleVec2
{
	float x, y;

bagobor

#include <algorithm>
#include <utility>

#include <iostream>
#include <memory>

struct Handle {
	Handle (int val) : m_handl((int*)(void*)val, EmptyDeleter) { }		
	Handle(Handle&& src) : m_handl(std::move(src.m_handl)) {}
	Handle(const Handle& that) = delete;