Don't crash in "_process_hdr()" if "framebuffer.luminance" is empty
Don't crash in "_process_hdr()" if "framebuffer.luminance" is empty

If "glFramebufferTexture2D()" fails on old drivers the Vector is empty.
Don't allow to read from empty Vector (NULL pointer).

Faless/godot,tomreyn/godot,godotengine/godot,okamstudio/godot,Paulloz/godot,vnen/godot,RebelliousX/Go_Dot,Zylann/godot,guilhermefelipecgs/godot,pkowal1982/godot,firefly2442/godot,pkowal1982/godot,RebelliousX/Go_Dot,Zylann/godot,Zylann/godot,ex/godot,RandomShaper/godot,DmitriySalnikov/godot,vkbsb/godot,zicklag/godot,DmitriySalnikov/godot,groud/godot,Valentactive/godot,pkowal1982/godot,tomreyn/godot,Brickcaster/godot,sanikoyes/godot,RandomShaper/godot,Faless/godot,pkowal1982/godot,jejung/godot,akien-mga/godot,MarianoGnu/godot,godotengine/godot,okamstudio/godot,vnen/godot,godotengine/godot,Marqin/godot,Valentactive/godot,ZuBsPaCe/godot,ficoos/godot,akien-mga/godot,zicklag/godot,Shockblast/godot,Shockblast/godot,MarianoGnu/godot,pkowal1982/godot,n-pigeon/godot,okamstudio/godot,ficoos/godot,Brickcaster/godot,guilhermefelipecgs/godot,akien-mga/godot,honix/godot,MarianoGnu/godot,morrow1nd/godot,guilhermefelipecgs/godot,NateWardawg/godot,Paulloz/godot,vkbsb/godot,exabon/godot,Brickcaster/godot,pkowal1982/godot,okamstudio/godot,josempans/godot,n-pigeon/godot,Faless/godot,Shockblast/godot,NateWardawg/godot,RandomShaper/godot,MarianoGnu/godot,RebelliousX/Go_Dot,ageazrael/godot,Max-Might/godot,MrMaidx/godot,okamstudio/godot,josempans/godot,ZuBsPaCe/godot,jejung/godot,exabon/godot,zicklag/godot,josempans/godot,sanikoyes/godot,sanikoyes/godot,RandomShaper/godot,RandomShaper/godot,morrow1nd/godot,Max-Might/godot,ageazrael/godot,ex/godot,akien-mga/godot,godotengine/godot,sanikoyes/godot,guilhermefelipecgs/godot,Paulloz/godot,pkowal1982/godot,vnen/godot,josempans/godot,honix/godot,firefly2442/godot,Marqin/godot,vkbsb/godot,NateWardawg/godot,BastiaanOlij/godot,ZuBsPaCe/godot,ex/godot,exabon/godot,akien-mga/godot,n-pigeon/godot,akien-mga/godot,Marqin/godot,Valentactive/godot,groud/godot,ageazrael/godot,mcanders/godot,firefly2442/godot,ZuBsPaCe/godot,zicklag/godot,vkbsb/godot,ageazrael/godot,NateWardawg/godot,guilhermefelipecgs/godot,MrMaidx/godot,Faless/godot,Zylann/godot,sanikoyes/godot,MrMaidx/godot,guilhermefelipecgs/godot,ex/godot,Paulloz/godot,mcanders/godot,jejung/godot,vkbsb/godot,vkbsb/godot,godotengine/godot,vnen/godot,MarianoGnu/godot,Valentactive/godot,godotengine/godot,firefly2442/godot,Zylann/godot,Marqin/godot,MarianoGnu/godot,Brickcaster/godot,godotengine/godot,morrow1nd/godot,MrMaidx/godot,RebelliousX/Go_Dot,honix/godot,Shockblast/godot,ageazrael/godot,firefly2442/godot,n-pigeon/godot,ZuBsPaCe/godot,groud/godot,firefly2442/godot,DmitriySalnikov/godot,MarianoGnu/godot,Marqin/godot,exabon/godot,Faless/godot,ex/godot,ex/godot,NateWardawg/godot,FateAce/godot,morrow1nd/godot,groud/godot,n-pigeon/godot,RebelliousX/Go_Dot,sanikoyes/godot,Valentactive/godot,BastiaanOlij/godot,Faless/godot,honix/godot,MrMaidx/godot,ex/godot,FateAce/godot,honix/godot,okamstudio/godot,Brickcaster/godot,jejung/godot,Shockblast/godot,ficoos/godot,MrMaidx/godot,ZuBsPaCe/godot,ex/godot,ZuBsPaCe/godot,sanikoyes/godot,Brickcaster/godot,tomreyn/godot,RandomShaper/godot,akien-mga/godot,BastiaanOlij/godot,DmitriySalnikov/godot,ficoos/godot,NateWardawg/godot,okamstudio/godot,vkbsb/godot,n-pigeon/godot,mcanders/godot,tomreyn/godot,NateWardawg/godot,n-pigeon/godot,Valentactive/godot,jejung/godot,sanikoyes/godot,BastiaanOlij/godot,ZuBsPaCe/godot,BastiaanOlij/godot,josempans/godot,mcanders/godot,Shockblast/godot,Faless/godot,NateWardawg/godot,Max-Might/godot,vnen/godot,Max-Might/godot,exabon/godot,Paulloz/godot,ageazrael/godot,ageazrael/godot,Max-Might/godot,BastiaanOlij/godot,firefly2442/godot,okamstudio/godot,RebelliousX/Go_Dot,NateWardawg/godot,BastiaanOlij/godot,guilhermefelipecgs/godot,Marqin/godot,DmitriySalnikov/godot,akien-mga/godot,tomreyn/godot,Shockblast/godot,MarianoGnu/godot,godotengine/godot,firefly2442/godot,josempans/godot,vkbsb/godot,josempans/godot,DmitriySalnikov/godot,Valentactive/godot,exabon/godot,guilhermefelipecgs/godot,Brickcaster/godot,RandomShaper/godot,Valentactive/godot,vnen/godot,zicklag/godot,BastiaanOlij/godot,mcanders/godot,groud/godot,Zylann/godot,okamstudio/godot,FateAce/godot,vnen/godot,pkowal1982/godot,ficoos/godot,Paulloz/godot,Shockblast/godot,FateAce/godot,vnen/godot,ficoos/godot,Faless/godot,josempans/godot,honix/godot,mcanders/godot,groud/godot,zicklag/godot,morrow1nd/godot,Paulloz/godot,Max-Might/godot,Zylann/godot,Zylann/godot,jejung/godot,FateAce/godot,DmitriySalnikov/godot,okamstudio/godot,FateAce/godot,morrow1nd/godot