Does glGenTextures and glBindTexture needs to be called before doing glTexImage2D and glTexSubImage2...

corrupt data loaded by GLES20.glTexImage2D using GL_LUMINANCE_ALPHA...

OpenGL repeated calls to glTexImage2D and alpha blending...

How to catch glTexImage2D error when resolution is incompatible?...

glTexImage2D with GL_DEPTH_COMPONENT works on iOS4 , and fails with GL_INVALID_ENUM in iOS 5...

glTexImage2D failing in GLUT/FreeType example with OpenGL 3 and above...

C++ OpenGL glTexImage2D Access Violation...

OpenGL glGetTexImage2d type parameter?...

How can I use a dynamically sized texture array with glTexImage2D?...

What happens to pixels after passing them into glTexImage2D()?...

OpenGL error 'invalid value' when calling glTexSubImage2D...

glGetTexImage doesn't work with CVOpenGLTextureRef...

Opengl textures and endianness ...

OpenGL on iOS. Can glTexImage2D be called on a separate thread?...

Difference between glTexSubImage and glTexImage function in OpenGL...