loading a heightmap as texture in shader
- by wtherapy
I have a height map of 256x256, containing, foreach cell, not only height as a normal float value ( not 0-1 ) and also 2 gradient values ( for X and Y ), also as normal float values ( not 0-1 ).
I have uploaded the texture via normal texture loading:
glEnable( GL_TEXTURE_2D );
glGenTextures( 1, &m_uglID );
DEBUG_OUTPUT("Err %x\n",…