- added Build's NPOT emulation to the backend.

For GZDoom this is completely disabled, of course, because the Doom engine does not need it, but in order to have the same backend code in both engines it needs to be present.

src/common/rendering/gl/gl_renderstate.cpp

@@ -142,6 +142,9 @@ bool FGLRenderState::ApplyShader()
 	activeShader->muTextureModulateColor.Set(mStreamData.uTextureModulateColor);
 	activeShader->muTextureBlendColor.Set(mStreamData.uTextureBlendColor);
 	activeShader->muDetailParms.Set(&mStreamData.uDetailParms.X);
+#ifdef NPOT_EMULATION
+	activeShader->muNpotEmulation.Set(&mStreamData.uNpotEmulation.X);
+#endif
 
 	if (mGlowEnabled || activeShader->currentglowstate)
 	{