Better fix for texture cache key needing StrideSel

StrideSel and ScanOrder are no longer part of the texture cache key
since that breaks RTT texture matching. But they are updated at lookup
time so they will be used if the tex is updated later.
Fixes RTT-based xfade screens in Skies of Arcadia.

core/rend/gles/gltex.cpp

@@ -614,9 +614,6 @@ void ReadRTTBuffer() {
     	for (tsp.TexU = 0; tsp.TexU <= 7 && (8 << tsp.TexU) < w; tsp.TexU++);
     	for (tsp.TexV = 0; tsp.TexV <= 7 && (8 << tsp.TexV) < h; tsp.TexV++);
 
-    	if (8 << tsp.TexU != w)
-    		tcw.StrideSel = 1;
-
     	TextureCacheData *texture_data = getTextureCacheData(tsp, tcw);
     	if (texture_data->texID != 0)
     		glcache.DeleteTextures(1, &texture_data->texID);
@@ -641,7 +638,7 @@ static float LastTexCacheStats;
 
 // Only use TexU and TexV from TSP in the cache key
 const TSP TSPTextureCacheMask = { { TexV : 7, TexU : 7 } };
-const TCW TCWTextureCacheMask = { { TexAddr : 0x1FFFFF, Reserved : 0, StrideSel : 1, ScanOrder : 1, PixelFmt : 7, VQ_Comp : 1, MipMapped : 1 } };
+const TCW TCWTextureCacheMask = { { TexAddr : 0x1FFFFF, Reserved : 0, StrideSel : 0, ScanOrder : 0, PixelFmt : 7, VQ_Comp : 1, MipMapped : 1 } };
 
 TextureCacheData *getTextureCacheData(TSP tsp, TCW tcw) {
 	u64 key = tsp.full & TSPTextureCacheMask.full;
@@ -657,6 +654,9 @@ TextureCacheData *getTextureCacheData(TSP tsp, TCW tcw) {
 	if (tx != TexCache.end())
 	{
 		tf = &tx->second;
+		// Needed if the texture is updated
+		tf->tcw.StrideSel = tcw.StrideSel;
+		tf->tcw.ScanOrder = tcw.ScanOrder;
 	}
 	else //create if not existing
 	{