OpenGL texture mapping stubbornly refuses to work

Question

I\'m writing a 2D game using SDL and OpenGL in the D programming language. At the moment it simply tries to render a texture-mapped quad to the screen. Problem is, the whole

Answer 1

One common mistake is to create/use an incomplete texture, see here.

Your code does not show any call to :

glTexParameteri (GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR/*or GL_NEAREST*/);
glTexParameteri (GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR/*or GL_NEAREST*/);

and also does not show any mipmap creation.

You problem may be related to your texture being incomplete.