message: Don't divide by zero if texbuffer comes back with unknown format
diff: @@ -486,7 +486,7 @@ void GLReplay::CacheTexture(ResourceId id)
  gl.glGetTextureLevelParameterivEXT(res.resource.name, levelQueryType, 0,
  eGL_TEXTURE_BUFFER_SIZE, (GLint *)&tex.byteSize);
  - tex.width = uint32_t(tex.byteSize / (tex.format.compByteWidth * tex.format.compCount));
  + tex.width = uint32_t(tex.byteSize / RDCMAX(1, tex.format.compByteWidth * tex.format.compCount));
  m_CachedTextures[id] = tex;
  return;
  