GL_CLAMP_TO_BORDER and GL_CLAMP_TO_EDGE ? 2 172 (9/24/2009 4:32:42 AM)
Hello, I am trying to make sense of the following documentation: OpenGL 2.1 Reference documentation: http://www.opengl.org/sdk/docs/man/ " glTexParameter - set texture parameters " " GL_TEXTURE_WRAP_S Set...
Skybuck

Following opengl code does not work with vertex shader ? 15 32 (9/19/2009 8:20:14 PM)
//////////////////////////////////////////////////////////////////////////////// // TOpenGLv2 component // // Component that allows to deal with the OpenGL library // // by Alan GARNY // gry@physiol.ox.ac.uk...
BloodyShame (91)

glDeleteTextures 5 237 (9/23/2009 10:48:53 AM)
Hi all, for a personal project I'm introducing some modifications in the code of XBMC (cfr. www.xbmc.org). I'm an opengl newbie, so this will likely sound kind of silly to someone's ears. The context is a vid...
AntonioM

Realtime shading example (uses time to shade) 1 28 (9/22/2009 12:17:08 AM)
Hello, I was curious about the shading performance... and to prove that it actually happens in realtime... I made this little example which uses a special semantic provided by FX Composer 2.5 called "TIME" w...
BloodyShame (91)

Basic texture example (texture+sampler+vertex shader+pixel shader) for FX Composer 2.5 (cgfx) 8 129 (9/21/2009 8:37:45 PM)
Hello, Yesterday I read some documentation, and today I make a nice simple example of a: "texture+sampler+vertex shader+pixel shader" for FX Composer 2.5 It's a simple "effect/material" which uses a bitmap ...
BloodyShame (91)

FX Composer 2.5 Render to Texture ? 5 255 (9/20/2009 8:34:52 PM)
Hello, I read in the user guide that FX Composer 2.5 is able to "Render to Texture". But no further explanation or example is given ?!? Can somebody give me a clue how this could be done ? I think it might...
Skybuck

glInterleavedArrays and Tangent Space 1 135 (9/21/2009 5:28:16 PM)
Hello, I have read that on some drivers the Interleaved Arrays are more efficient than separate arrays. So far I have used separate arrays to provide mesh data (vertex pos, UV coords, and "TNB matrix" via TexCo...
Krzysiek

3d to 2d vertex shader not working ? 16 108 (9/18/2009 3:16:44 AM)
// vertex shader function VertexProgramString : AnsiString; begin result := 'float4x4 WorldViewProj : WorldViewProjection;' + ConstNewLine + 'float4 MainVS(float3 pos : POSITION) : POSITION{' + ConstNewLine + ...
Skybuck

High-Quality Realtime Plotting 3 240 (9/20/2009 7:06:21 PM)
I need an open source plotting library that produces high-quality (anti-aliased) realtime output using OpenGL. Does any such library exist? If not, I am eager to implement it my-self. I only need simple 2d-lin...
per.nordlow (36)

Texture example for GPGPU for FX Composer 2.5 required ?! 10 153 (9/19/2009 8:49:36 PM)
Hello, I want to load a texture into FX Composer 2.5 The texture is supposed to be rendered over a plane. That's all. I cannot figure out to do this with vertex and pixel shaders. Can somebody make a simpl...
Skybuck