Weird problem rendering multiple objects

I'm having a really weird bizarre problem rendering two objects.

Both objects use completely different textures, shaders, vertex buffer
and index buffer.

If I render only object A, everything is correct.
If I render only object B, everything is correct.

If I render A and B, object A takes on the appearance of Object B and
vice versa. That is, Object A is rendered with Object B's textures and
shaders and vice versa and I have absolutely no idea why.

However, vertex and index buffers are not affected in this way, each
object still uses the correct mesh.

I can "fix" this by reloading the vertex/index data into my vertex and
index buffers prior to drawing each object. If I do that, then the
correct shaders and textures are applied (doesn't matter if I do it
before or after setting the render states for the object). 

Buffers are created with GL_STATIC_DRAW.

Thanks,

Stephan


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Author: Stephan Rose
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