Textures in OpenGL
in = tiff_read(filename, NULL);
glGenTextures(1, &texname);
glBindTexture(GL_TEXTURE_2D, texname);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB, in->nx, in->ny, 0, GL_RGB,
GL_UNSIGNED_BYTE, in->pix);
- Set up the texture.
- The image dims must be 2n by 2m
- This code assumes RGB image