Perspective correct texturing

- replace calls to glOrtho with new matrix (z value becomes w)
- store w value for each vertex
- if any vertex does not have a w value set whole polygon to 1.0
- Reset vertex between draw calls to prevent stale w values persisting

- validate PGXP values using stored copy of original (allow greater variance)
- properly convert addresses before passing to plugin
- rework memory to use a single pool with offsets

- Implement floating point RTPS/RTPT transform, currently disabled.

libpcsxcore/gpu.c

@@ -143,7 +143,7 @@ void psxDma2(u32 madr, u32 bcr, u32 chcr) { // GPU
 #endif
 				break;
 			}
-			GPU_pgxpMemory(madr, PGXP_GetMem());
+			GPU_pgxpMemory(PGXP_ConvertAddress(madr), PGXP_GetMem());
 			GPU_writeDataMem(ptr, size);
 
 #if 0

libpcsxcore/gte.c

@@ -499,7 +499,9 @@ int docop2(int op) {
 
 		PGXP_pushSXYZ2s(Lm_G1_ia((s64)OFX + (s64)(IR1 * h_over_sz3) * (Config.Widescreen ? 0.75 : 1)), 
 			Lm_G2_ia((s64)OFY + (s64)(IR2 * h_over_sz3)),
-			SZ3);
+			SZ3, SXY2);
+
+		//PGXP_RTPS(0, SXY2);
 
 		MAC0 = F((s64) DQB + ((s64) DQA * h_over_sz3));
 		IR0 = Lm_H(m_mac0, 1);
@@ -889,7 +891,9 @@ int docop2(int op) {
 
 			PGXP_pushSXYZ2s(Lm_G1_ia((s64)OFX + (s64)(IR1 * h_over_sz3) * (Config.Widescreen ? 0.75 : 1)),
 				Lm_G2_ia((s64)OFY + (s64)(IR2 * h_over_sz3)), 
-				SZ3);
+				SZ3, SXY2);
+
+			//PGXP_RTPS(v, SXY2);
 		}
 
 		MAC0 = F((s64) DQB + ((s64) DQA * h_over_sz3));