- LUMINANCE8 = GL_LUMINANCE8,
- // TODO Remove LUMINANCE(_ALPHA) float formats once ARB_texture_rg becomes supported
- LUMINANCE16F = GL_LUMINANCE16F_ARB,
- LUMINANCE32F = GL_LUMINANCE32F_ARB,
- LUMINANCE_ALPHA = GL_LUMINANCE_ALPHA,
- LUMINANCE_ALPHA8 = GL_LUMINANCE8_ALPHA8,
- LUMINANCE_ALPHA16F = GL_LUMINANCE_ALPHA16F_ARB,
- LUMINANCE_ALPHA32F = GL_LUMINANCE_ALPHA32F_ARB,
- SLUMINANCE = GL_SLUMINANCE,
- SLUMINANCE8 = GL_SLUMINANCE8,
- SLUMINANCE_ALPHA = GL_SLUMINANCE_ALPHA,
- SLUMINANCE8_ALPHA8 = GL_SLUMINANCE8_ALPHA8