MeFisto94 2276197a2b Fixing PBR on <= GLSL 130:
- GLSLCompat now implements mat3(mat4) and determinant() and inverse() for mat2 and mat3
 - PBR.glslib uses this functions again instead of one-off workarounds
2020-04-04 13:44:10 +02:00
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2020-04-04 13:44:10 +02:00