rxantos / glNotes.c

Created October 12, 2022 18:02 — forked from SimonJinaphant/glNotes.c

OpenGL Notes

	/*
	CREATING THE VAO & VBO
	======================
	Objects must be generated via its corresponding glGen...() function
	To perform any operations on any of OpenGL's objects, we must bind
	the objects by invoking it corresponding glBind...() function

	For @param GLenum target:
	GL_ARRAY_BUFFER for Vertex attributes (Non-indexing method)
	GL_ELEMENT_ARRAY_BUFFER for Vertex array indices (Indexing method)

rxantos / billboard.h

Created October 12, 2022 18:02 — forked from satoruhiga/billboard.h

OpenGL Billboard

	// http://marina.sys.wakayama-u.ac.jp/~tokoi/?date=20110221

	inline void billboard()
	{
	GLfloat m[16];
	glGetFloatv(GL_MODELVIEW_MATRIX, m);

	float inv_len;

	m[8] = -m[12];

rxantos / win32_opengl_multi.c

Created October 12, 2022 18:04 — forked from mmozeiko/win32_opengl_multi.c

setting up modern OpenGL 4.5 context for drawing to multiple windows

	// example how to set up OpenGL core context on Windows for rendering to multiple windows

	#define WINDOW_COUNT 4 // how many windows we'll be opening?

	// important extension functionality used here:
	// (4.3) KHR_debug: https://www.khronos.org/registry/OpenGL/extensions/KHR/KHR_debug.txt
	// (4.5) ARB_direct_state_access: https://www.khronos.org/registry/OpenGL/extensions/ARB/ARB_direct_state_access.txt
	// (4.1) ARB_separate_shader_objects: https://www.khronos.org/registry/OpenGL/extensions/ARB/ARB_separate_shader_objects.txt
	// (4.2) ARB_shading_language_420pack: https://www.khronos.org/registry/OpenGL/extensions/ARB/ARB_shading_language_420pack.txt
	// (4.3) ARB_explicit_uniform_location: https://www.khronos.org/registry/OpenGL/extensions/ARB/ARB_explicit_uniform_location.txt

rxantos / FlushFileCache.c

Created October 12, 2022 18:04 — forked from mmozeiko/FlushFileCache.c

flush file cache on Windows

	// clang.exe -Os -fno-unwind-tables -nostdlib -fuse-ld=lld -Wl,-fixed,-merge:.rdata=.text,-subsystem:console FlushFileCache.c -o FlushFileCache.exe

	#define WIN32_LEAN_AND_MEAN
	#include <windows.h>

	#pragma comment (lib, "kernel32.lib")
	#pragma comment (lib, "advapi32.lib")

	#define error(str) do { DWORD written; WriteFile(GetStdHandle(STD_ERROR_HANDLE), str, sizeof(str)-1, &written, NULL); } while (0)

rxantos / tls_client.c

Created October 12, 2022 18:04 — forked from mmozeiko/tls_client.c

simple example of TLS socket client using win32 schannel api

	#define WIN32_LEAN_AND_MEAN
	#include <winsock2.h>
	#include <windows.h>
	#define SECURITY_WIN32
	#include <security.h>
	#include <schannel.h>
	#include <shlwapi.h>
	#include <assert.h>
	#include <stdio.h>

rxantos / win32_opengl.c

Created October 12, 2022 18:05 — forked from mmozeiko/win32_opengl.c

setting up and using modern OpenGL 4.5 core context on Windows

	// example how to set up OpenGL core context on Windows
	// and use basic functionality of OpenGL 4.5 version

	// important extension functionality used here:
	// (4.3) KHR_debug: https://www.khronos.org/registry/OpenGL/extensions/KHR/KHR_debug.txt
	// (4.5) ARB_direct_state_access: https://www.khronos.org/registry/OpenGL/extensions/ARB/ARB_direct_state_access.txt
	// (4.1) ARB_separate_shader_objects: https://www.khronos.org/registry/OpenGL/extensions/ARB/ARB_separate_shader_objects.txt
	// (4.2) ARB_shading_language_420pack: https://www.khronos.org/registry/OpenGL/extensions/ARB/ARB_shading_language_420pack.txt
	// (4.3) ARB_explicit_uniform_location: https://www.khronos.org/registry/OpenGL/extensions/ARB/ARB_explicit_uniform_location.txt

rxantos / windows_modern_opengl_context.c

Created October 12, 2022 18:05 — forked from nickrolfe/windows_modern_opengl_context.c

Sample code showing how to create a window using a modern OpenGL core profile context without any libraries other than the standard Win32 wglXXX calls.

	// Sample code showing how to create a modern OpenGL window and rendering context on Win32.

	#include <windows.h>
	#include <gl/gl.h>
	#include <stdbool.h>

	typedef HGLRC WINAPI wglCreateContextAttribsARB_type(HDC hdc, HGLRC hShareContext,
	const int *attribList);
	wglCreateContextAttribsARB_type *wglCreateContextAttribsARB;

rxantos / image2clipboard.c

Created October 12, 2022 18:10 — forked from mmozeiko/image2clipboard.c

example how to put RGBA image in clipboard

	#define STB_IMAGE_STATIC
	#define STB_IMAGE_IMPLEMENTATION
	#include "stb_image.h" // get from https://raw.githubusercontent.com/nothings/stb/master/stb_image.h

	#include <windows.h>

	int main(int argc, char* argv[])
	{
	int w, h;
	stbi_uc* data = stbi_load(argv[1], &w, &h, NULL, 4);

rxantos / CHANGELOG.md

Created October 12, 2022 18:11 — forked from juampynr/CHANGELOG.md

Sample CHANGELOG

Change Log

All notable changes to this project will be documented in this file.

The format is based on Keep a Changelog and this project adheres to Semantic Versioning.

[Unreleased] - yyyy-mm-dd

Here we write upgrading notes for brands. It's a team effort to make them as

Ricardo Santos rxantos

Change Log

[Unreleased] - yyyy-mm-dd