mesa/main: Ignore filter state for MS texture completeness
After the discussion in https://github.com/KhronosGroup/OpenGL-API/issues/45 the section 8.17 (texture completeness) of the OpenGL 4.6 core profile was changed to explicitly say that multisample texture completeness ignores filter state of the texture.
"Using the preceding definitions, a texture is complete unless any of the
following conditions hold true:
...
- The minification filter requires a mipmap (is neither NEAREST nor LINEAR),
the texture is not multisample, and the texture is not mipmap complete.
- The texture is not multisample; either the magnification filter is not
NEAREST, or the minification filter is neither NEAREST nor NEAREST_-
MIPMAP_NEAREST; and any of
– The internal format of the texture is integer (see table 8.12).
– The internal format is STENCIL_INDEX.
– The internal format is DEPTH_STENCIL, and the value of DEPTH_-
STENCIL_TEXTURE_MODE for the texture is STENCIL_INDEX."
Edited by Danylo Piliaiev