selecting text with mouse 7 32 (8/4/2009 10:04:27 AM)
Hi1 I am trying to select text rendered with displaylists command, using the following glprint function: Public Sub glPrint(ByVal s As String) ' Custom GL "Print" Routine ' we are just goin...
engrohit2007

transparency on image 8 97 (7/25/2009 7:59:38 AM)
Hi when I fade in a image ( decreasing alpha ) it's fine. So now I try the same with a transparent image ( background ) and white writing. This fades into white for all of the image. Can I fade in a writing etc...
Michael

Access float texture with integer coordinates? 5 173 (7/27/2009 5:50:47 PM)
Hi, Using the extension EXT_texture_integer, it is possible to retrieve an entry from a texture as an integer value instead of a floating point value that is normalized to [0,1]. Using the extension EXT_gpu_sh...
Timo

How to find pixel size of strings? 1 253 (7/25/2009 10:41:36 AM)
I'm using Nehe's method of bitmapped fonts: http://nehe.gamedev.net/data/lessons/lesson.asp?lesson=13 I need to be able to find the width and height of strings in pixels using these fonts so that I can center...
bob

drawn lines are doubled 4 110 (7/6/2009 10:28:44 AM)
I'm working on a ortho mode application on Ubuntu linux with a nvidia card. Horizontal and diagonal lines have started being drawn as closely spaced double lines. But not always, now and then I get single li...
bob

different blending functions 5 105 (7/21/2009 3:06:44 PM)
Hello all, I am trying to use different blending functions to have various effects, but I noticed that for some functions, the image doesn't show. For example, if I use this: glBlendFunc( GL_SRC_ALPHA, GL_ZE...
Vladimir

Drawing a multi-colored line? 2 350 (7/21/2009 11:19:58 PM)
I'm trying to draw a multi-colored line like this: glBegin(GL_LINES); glColor3ub(_color1.r, _color1.g, _color1.b); glVertex3f(_xfrom, _yfrom, orthoz); glColor3ub(_color2.r, _color2.g, _co...
bob

GLuint 4 141 (7/21/2009 9:43:27 AM)
Hi I get errors with GLuint. Something like missing semicolon after GLuint etc. wich is untrue of course. So why/how? I've included also GLee. /// Pointer to the index array. GLuint* m_pIndices; Many t...
sgier (47)

Double Buffer issue 1 92 (7/21/2009 12:45:15 PM)
I am using a double buffer(for smooth animations) in my opengl linux application, but this forces me to draw the entire scene every time to sync the back buffer with the front buffer(which is slow). I would id...
pro

GLUquadrics -- when to create and to delete, efficiency etc.? 7 115 (7/16/2009 3:14:50 PM)
I'm programming an OpenGL application within SDL (for a teaching example). Normally I use GLUT and do not deviate too far from Red book practice, but with SDL and the framework I'm using here I'm moving out ...
Jonathan