Category Archives: Programming

Obj-C FPS counter and dt time for iPhone

Posted on 8 abril 2010 by Alvaro Martin

// FPS static CFTimeInterval lastTime = CFAbsoluteTimeGetCurrent(); CFTimeInterval beginTime = CFAbsoluteTimeGetCurrent(); CFTimeInterval dt = beginTime – lastTime; static uint FPS = 0; static CFTimeInterval accum = 0; if ( accum >= 1.0 ) { NSLog(@”%d”, FPS); accum = 0.0; FPS … Continue reading →

Posted in Graphics, iPad, iPhone, iPod, Programming | Leave a comment

Language (locale and country) in iPhone SDK

Posted on 5 abril 2010 by Alvaro Martin

Little and fast-to-understand test for to know the language of iPhone device: NSString* language = [[NSLocale preferredLanguages] objectAtIndex:0]; // en NSString* countryCode = [[NSLocale currentLocale] objectForKey: NSLocaleCountryCode]; // US // Console Log, only for debug… NSLog(language); NSLog(countryCode); BOOL result; if … Continue reading →

Posted in iPad, iPhone, iPod, Programming | Leave a comment

OpenGL 3.3 & 4.0

Posted on 28 marzo 2010 by Alvaro Martin

El grupo Khronos y el OpenGL ARB han publicado en el GDC 2010 de San Francisco las especificaciones de OpenGL 3.3 , GLSL 3.3, OpenGL 4.0 and GLSL 4.0. ¿Por qué 2 specs al mismo tiempo? OpenGL 3.3 puede ser desarrollada con las … Continue reading →

Posted in Graphics, Hardware, Programming | Leave a comment

cURL compilación y “linkado”

Posted on 22 marzo 2010 by Alvaro Martin

Bueno, hace poco estoy experimentando con cURL. Tengo la manía de que todo se compile en mi proyecto para poder hacer copy/paste y tan solo darle a compilar, tanto en windows como en linux. En la página de descargas de … Continue reading →

Posted in Network, Programming | Leave a comment

Intel’s Thread Building Blocks

Posted on 10 marzo 2010 by Alvaro Martin

Trasteando con HipHop PHP he visto una dependencia que era tbb Intel’s Thread Building Blocks. Bien pues es algo que ya escuché hace tiempo, se trata de una manera de aprovechar el paralelismo en C++. No penseis en un sustituto de … Continue reading →

Posted in Linux, Programming | Leave a comment

ModelViewer, Deferred Rendering pipeline

Posted on 5 noviembre 2009 by Alvaro Martin

Ups, I have no uploaded this video… No Siesta Studios Viewer with a demo model big dady 2. It video show my Deferred Rendering pipeline. Video:- Only Diffuse map- Normal Mapping- Deferred Rendering: Geometry Stage; albedo, normals, SSAO and specular … Continue reading →

Posted in Graphics, Programming, Video Games | Leave a comment

Aspect Ratio and Context Menu

Posted on 12 septiembre 2009 by Alvaro Martin

Hi there! now I have assigned 1.3 aspect ratio and created context menu for to select easily between effects. Shortcut is available with function keys too, F1-F10. This is the end of the first lite version using glut. Is a … Continue reading →

Posted in Graphics, GUI, Programming | Tagged NSS Engine | 1 Comment

Deferred Rendering and Normal Mapping

Posted on 12 septiembre 2009 by Alvaro Martin

To do normal mapping in Deferred Rendering is little dificult because you need to store in G-buffer tangent and binormal if you want, but it is easy to calculate. Or you can calculate TBN matrix per pixel with your 2D … Continue reading →

Posted in Graphics, Programming | Tagged NSS Engine | Leave a comment

Specular RGB and Edge Detect AA

Posted on 8 septiembre 2009 by Alvaro Martin

Hi all! A little update of specular effect. Now with support of RGB channel. I have a screenshot with edge detect anti-aliasing: Look, blue in metal and red in crystal… painted by Prompt Blog this! Bookmark on Delicious Digg this … Continue reading →

Posted in Graphics, Programming | Tagged NSS Engine | 2 Comments

Adjusting SSAO