- Some performance checks in case of sprites disabled

desmume/src/GPU.h

@@ -221,22 +221,28 @@ static INLINE void GPU_ligne(Screen * screen, u16 l)
      
      gpu->spriteRender(gpu, l, spr, sprPrio);
      
+     if (gpu->sprEnable)
+     {
         if((gpu->BGProp[gpu->ordre[0]]&3)!=3)
         {
            for(i16 = 0; i16 < 128; ++i16) {
 	         T2WriteLong(dst, i16 << 2, T2ReadLong(spr, i16 << 2));
 	       }
         }
+     }
      
      for(i8 = 0; i8 < gpu->nbBGActif; ++i8)
      {
           modeRender[gpu->prop&7][gpu->ordre[i8]](gpu, gpu->ordre[i8], l, dst);
           bgprio = gpu->BGProp[gpu->ordre[i8]]&3;
+          if (gpu->sprEnable)
+          {
             for(i16 = 0; i16 < 256; ++i16)
                if(bgprio>=sprPrio[i16]) 
 		         T2WriteWord(dst, i16 << 1, T2ReadWord(spr, i16 << 1));
           }
      }
+}
  
 void GPU_setVideoProp(GPU *, u32 p);
 void GPU_setBGProp(GPU *, u16 num, u16 p);