Adds support for multiple planes and buffer modifiers.
v4: Rename "has_dri3_v1_1" to "has_dri3_modifiers"
v12: Multi-planar/modifier support is now DRI3 v1.2; also update release
versions
Adds support for multiple planes and buffer modifiers.
v4: Rename "has_dri3_v1_1" to "has_dri3_modifiers"
v12: Multi-planar/modifier support is now DRI3 v1.2; also update release
versions