[xx.xx.xx] -- Image Processing System
[xx.xx.xx] -- Post Processing Units
[xx.xx.xx] -- Spline Lib and NURBS
[xx.xx.xx] -- Font image filtering.
[xx.xx.xx] -- DrawStates Comparison
[xx.xx.xx] -- RenderEngine Per Window
[xx.xx.xx] -- replace stb_imabe by [SOIL] Simple OpenGL Image Library
[xx.xx.xx] -- Refactor File
[xx.xx.xx] -- VAO support for performance (maybe mantain a map of association with program)
[xx.xx.xx] -- "centroid in", "noperspective in", "flat in", "noperspective centroid in", "smooth in", "smooth centroid in" varying support
[xx.xx.xx] -- Block support for Uniforms (GLSL)
[xx.xx.xx] -- Block support for Inputs (GLSL)
[xx.xx.xx] -- rengineBump
[xx.xx.xx] -- log (compute log current size at runtime, for long runs a new file will not be opened just at startup)
[xx.xx.xx] -- Add kerning support to true type fonts
[xx.xx.xx] -- Port VR Pinscreen
[xx.xx.xx] -- Finish Atlas Generator

[16.05.16] -- VAO integration. support for Opengl 3.2 Core
[06.10.11] -- Integrated Smokin::Performance analyzer
[06.10.11] -- Added several rectangle bin packing algorithms
[06.10.11] -- Inital (non working) implementation for Altlas Generator
[23.09.11] -- Backward compatability with OpenGL 2.1
           -- GLSL is rewritten according to this gl version
	   -- Window creation fallback for non supported extensions
[22.09.11] -- Logs now use the same file until a file size threshold is reached
[20.07.11] -- Added Support for True Type Fonts using stb_truetype
[22.02.11] -- Probably fixed AL compiler error on mac
[22.02.11] -- megadrive emulator integration. Sonic is correctly rendered!
[02.02.11] -- Added C memory functions and leak detection support (rg_malloc, rg_free, rg_realloc)
[27.12.10] -- Added Timestamp string formatting method
[26.12.10] -- Added stringPrinter (type safe sprintf, supports %1%, %2% generic argument usage)
[15.11.10] -- Implemented Timestamp representation
[22.08.10] -- Added Atomic synchronization method on linux and windows
           -- Added ReadWriteMutexs synchronization method on linux and windows
[20.08.10] -- Shared pointers are now thread safe. Mutex based thread safe implementation.
[08.08.10] -- Added stack trace symbol resolver on linux. No need for external script. Needed binutils-dev
[02.08.10] -- DynamicCheckUp now works with Visual Studio 2010, no need for external script to translate address to name
           -- Added support for backtrace on VS2010
[22.06.10] -- Updated SourceCodeLocation to include function location and pretty function
[08.04.10] -- Integrated dynamic checkup (linux), the system now detects memory leaks and other sort of c++ dynamic memory problems
[03.04.10] -- CMake lists update to support install option
           -- Thread, Mutex, Condition, Block and Barrier support on windows.
[01.04.10] -- Thread, Mutex, Condition, Block and Barrier development. Threading support on linux using Pthreads.
[23.03.10] -- Rubikal - Developed a method to compute correct order and orientation for a set of faces, cube mirroring finished :) !
[15.03.10] -- Rubikal - Developed a method to compute correct orientation for faces of an ordered set of faces.
[11.03.10] -- Developed rubikal face loading from xml
[10.03.10] -- Developed rubikal face saving to xml
[05.03.10] -- Integrated CubeDetector module. This module is only active if OpenCV is found by Cmake. This allows to detect a real cube faces using a webcam. 
           -- I need to develop an algorithm to find cube topology using these faces
[21.02.10] -- Finished VideoCaptureDShow
[16.02.10] -- Initial Development of windows grabber VideoCaptureDShow
[15.02.10] -- Finished VideoCaptureV4L
[06.02.10] -- Upgraded stb_image to stbi-1.18
           -- Synchronization point with Visual C++ Compiler 2008. Updated CMake with Visual Studio Target.
           -- Ported to OpenGL 3.2 Core Profile on Win32
[05.01.10] -- Update CMake with known good targets (Win32 MinGW Make, Eclipse CDT Win32)
[01.01.10] -- Initial development of VideoCapture, VideoCaptureV4L (Video4Linux)
[29.01.10] -- Change Build System to CMake with known good targets (Linux Make, Eclipse CDT)
[24.01.10] -- Ported to OpenGL 3.2 Core Profile on X11
[13.12.09] -- Added MultiRenderTarget Support, FrameBuffer uses this new feature.
           -- Finished in/out shader parameter binding
           -- Finished program input and outputs auto discovery
[10.12.09] -- Finished glsl semantics support
           -- Shaders upgrate to support the new engines features.
           -- Out-of-order DataChannel binding
[09.12.09] -- Engine improvements towards OpengGL 3.0
           -- GLSL 1.3 Support
           -- //!pragma semantic development
[08.12.09] -- Multisample FrameBuffer support
           -- OperationBuffer State development (glDrawBuffer and glReadBuffer)
           -- Upgraded Shader system to support GLSL 1.3
[07.12.09] -- FrameBuffer example development
           -- FrameBufferObject Support
           -- RenderBuffer Support
           -- The engine now supports render to texture
           -- Stencil DrawState implementation
[02.12.09] -- Orbit Camera implementation.
[01.12.09] -- Rubikal solving algorithm finished
[15.11.09] -- Smokin::Exception was included in the project. The engine now supports traceble/stackable exceptions.
[01.11.09] -- Windows vsync Support
           -- Rubikal further development
[07.10.09] -- Added uniforms auto-discover for effects
           -- Added //!pragma default, for uniforms default values
           -- Text effect. Text is now rendered with a effect.
           -- Console effect. Console is now rendered with a effect.
[02.10.09] -- Added lang\Types as the base engine types float = Real
[29.09.09] -- DrawResource Base class creation, Texture, VertexBuffer and Programs are now DrawResources.
           -- Engine Shutdown reorder, some gl resourcer were not being released.
           -- Shader compilation, Program linking and resource release
           -- Uniform development.
           -- //!pragma include allow C/C++ like includes
[24.09.09] -- Effect Support, FragmentShader and VertexShader on the same file
[23.09.09] -- GLSL shader support development, ShaderUnit Draw State, ShaderResourceLoader...
[22.09.09] -- Started to port the engine to OpenGl 3.[0,3]
           -- VertexBufferObject implementation, this will be the main drawing object (No more immediate mode, display list, draw array)
           -- VertexBuffer class implementation to store vertex data
           -- DisplayListDraw was replaced by StaticDraw
           -- ArraysDraw was replace by DynamicDraw
[05.08.09] -- Several improvements have been done for the past months:
           -- DrawStates improvements, TextureUnit DrawState, Inital shader support, Rubikal application, engine port to win32
[20.04.09] -- System Variable expansion implementation: "/echo $copyright" will expand copyright to variable value.
           -- to escape a variable one should repeate the expansion prefix "/echo $$copyright" will echo $copyright
[20.04.09] -- InputBinder bugfix, now supports integer keys [1, 2 ,3 ..] correctly.
[11.04.09] -- SystemScript development for basic automation. SystemScriptResourceLoader and System integration. Scripts are cached for performance.
[10.04.09] -- Finished EventBinder, exposes bindingAdd, bindingList and bindingClear system commands. 
[08.04.09] -- EventBinder class development. This feature will allow to dynamically bind inputs to system commands.
[06.04.09] -- I have been working fulltime for Logica group for 2 months, so I don't get to spend much time on my own projects.
           -- I been coding the rubikal application very slowly for the past month.
[14.03.09] -- Development of a rubik cube solving system.
[13.03.09] -- Minor corrections to quadrilateral. It still only support vertical quads correctly.
[09.03.09] -- New example application to demonstrate Shapes: rengineShapes.
		   -- Capsule shape development.
[08.03.09] -- Torus shape development.
[07.03.09] -- Cone shape development.
[06.03.09] -- Cylinder shape development.
[03.03.09] -- Sphere shape development.
[01.03.09] -- Support for basic shapes. Box shape development.
[26.02.09] -- Console now uses drawables for rendering.
           -- Added support for textured Quadrilateral.
           -- Texture Support on meshes.
[25.02.09] -- Quadrilateral drawable added.
           -- Flat Color Added, Material Added. Text refactoring.
           -- Drawables delay texture loading and resource other aquisition to the first draw call.
[24.02.09] -- Added TextureUnitState, still needs some work, but it is a start.
           -- DrawStates now support aggregated states. Example(multiple textures).
[16.02.09] -- Drawables now have a DrawState.
           -- Texture2D rewritten, loading and bind is done automatically by the render engine apply method.
[12.02.09] -- Texture Source and Headers moved to rengine/state. Texture must be rewritten to be used as a state.
[06.02.09] -- clearColor, clearDepth and clearBuffers RenderEngine methods.
           -- DrawStates Stack development.
           -- PolygonMode States.
[05.02.09] -- ColorChannelMask State Implementation.
           -- BlendFunction, BlendEquation, BlendColor, CullFace, Depth and AlphaFunc States Implementation.
           -- State Management System Improvement.
[04.02.09] -- State Management system development : DrawStates, BaseStates implementation start.
           -- RenderEngine Matrix Stack development;
           -- C/C++ Demangler for linux (gcc) using ABI.
[03.02.09] -- resourceClearCache system command added.
           -- resourceReportInfo system command added.
           -- Resource manager reporting implemented.
           -- DefaultFontsResourceLoader and WinfontResourceLoader implementation.
[02.02.09] -- ImageResourceLoader and TextureResourceLoader development. rengine now supports image an texture caching.
           -- ResourceManager now allows multiple ResourceLoaders usage.
[01.02.09] -- BaseResourceLoader and ResourceLoader finished and tested with the IntResourceLoader unit test.
[31.01.09] -- ResourceLoader development.
           -- Implementation start for the Generic ResourceManager development.
[30.01.09] -- OpaqueProperty development with UnitTests.
[29.01.09] -- TypeSafe Generic type Any implementation. Any UnitTests validation.
[24.11.08] -- math/Streams.h Development.
           -- Console Render rewrite finished.
           -- Line Renderer.
           -- Win32 Compatibility fixes (Win32 Windowing, Font, Text, File).
[20.11.08] -- Version System Variable is automatically updated on each build.
           -- HudWriter was developed for simple text rendering.
           -- CharMap was replaced by HudWriter.
           -- Removed GLU dependency.
[18.11.08] -- Development of ConsoleFont. ConsoleFont is the Default font. Can be loaded calling loadFont("Default").
           -- Font base metrics representation changed to pixel.
[17.11.08] -- Winfont dump to .C font.
           -- Development pixel metric font text rendering.
[11.11.08] -- Finished centimeter metric font text rendering.
[20.10.08] -- Matrix44 Support for Fustum, Projection, Ortho and Ortho2D
[**.10.08] -- Windows .fon font loader development.
[**.09.08] -- Started font rendering support.
[31.08.08] -- Added rengineCreateWindows to demonstrate WindowingSystem basic usage.
[30.08.08] -- Correction of minor UnitTest bugs.
           -- LexicalCast.h was removed. The new String.h has a new lexical_cast with support for default values.
           -- StringToken was changed to CStringTokenizer, in the near future this will be deprecaded.
           -- Included SharedPointer and String UnitTests.
           -- Smokin::String was included in the project.
           -- File Handling UnitTests Development.
[28.08.08] -- File handling from Smokin::libs was included in the project.
           -- Included XmlSerialization and Math UnitTests.
[27.08.08] -- UnitTest framework Development.
[26.08.08] -- XmlSerialization from Smokin::libs was included in rengine.
           -- Port to linux started (again).
[**.07.08] -- Development of the X11 Windowing System.
[**.06.08] -- Development of the Win32 Windowing System.
[**.05.08] -- Development of BoundingVolume class.
[**.05.08] -- Development of Quaternion class.
[**.05.08] -- Development of Matrix class.
[**.05.08] -- Development of Vector classes.
[**.05.08] -- Development of Math Helpers.
[13.04.08] -- Camera System updated and generalized.
[13.04.08] -- Lib3ds was replaced by ATI sdk 3ds loader.
[12.04.08] -- FreeImage was replaced by Sean Barrett public domain image loaders http://nothings.org/.
[15.03.08] -- Boost Libs (SharedPointer, XML serialization) were replaced by smokin lightweight libs.
[xx.xx.xx] -- I should have begun reporting engine status a long long time ago...

//!pragma section common
//!pragma section vertex
//!pragma section fragment

//!pragma section  common
//!pragma  section vertex
// !pragma section fragment

vec3 normal;
vec3 light_vector;
vec3 eye_vector;

//!pragma include includes.shd
//!pragma include test/math.shd

uniform vec4 color;

float, vec2, vec3, vec4
int ivec2, ivec3, ivec4
mat4, mat4x4
arrays
multi-variable declaration on the same statement: int x, y, z;

//!pragma default color 1.0, 1.0, 1.0, 1.0

//!pragma semantic input_color color