1 files changed, 79 insertions, 0 deletions
diff --git a/src/shaders/h264/ildb/load_Top_UV_8x2_Mbaff.asm b/src/shaders/h264/ildb/load_Top_UV_8x2_Mbaff.asm
new file mode 100644
index 0000000..d60aa4e
--- /dev/null
+++ b/src/shaders/h264/ildb/load_Top_UV_8x2_Mbaff.asm
@@ -0,0 +1,79 @@
+/*
+ * Copyright © <2010>, Intel Corporation.
+ *
+ * This program is licensed under the terms and conditions of the
+ * Eclipse Public License (EPL), version 1.0.  The full text of the EPL is at
+ * http://www.opensource.org/licenses/eclipse-1.0.php.
+ *
+ */
+// Module Name: Load_Top_UV_8X2.Asm
+//
+// Load UV 8X2 Block 
+//
+//----------------------------------------------------------------
+//  Symbols ceed To be defined before including this module
+//
+//	Source Region Is :UB
+//	BUF_D:			BUF_D Base=Rxx Elementsize=4 Srcregion=Region(8,1) Type=UD
+
+//	Binding Table Index: 
+//	BI_SRC_UV:		Binding Table Index Of UV Surface (NV12)
+//
+//----------------------------------------------------------------
+
+#if defined(_DEBUG) 
+	mov		(1)		EntrySignatureC:w			0xDDD2:w
+#endif
+
+    // FieldModeCurrentMbFlag determines how to access above MB
+	and.z.f0.0 (1) 	null:w		r[ECM_AddrReg, BitFlags]:ub		FieldModeCurrentMbFlag:w		
+
+    and.nz.f0.1 (1) NULLREGW 	BitFields:w   	BotFieldFlag:w
+
+	// Read U+V
+    mov (1)	MSGSRC.0:ud		ORIX_TOP:w						{ NoDDClr }			// Block origin
+    asr (1)	MSGSRC.1:d		ORIY_TOP:w			1:w			{ NoDDClr, NoDDChk } 	// NV12 U+V block origin y = half of Y comp
+    mov (1)	MSGSRC.2:ud		0x0001000F:ud					{ NoDDChk }			// NV12 U+V block width and height (16x2)
+
+	// Load NV12 U+V 
+	
+    // Set message descriptor
+    
+	(f0.0)	if	(1)		ELSE_UV_8X2
+
+    // Frame picture
+    mov (1)	MSGDSC	RESP_LEN(1)+DWBRMSGDSC_RC+BI_DEST_UV:ud			// Read 1 GRF from SRC_UV
+
+	// Add vertical offset 8 for bot MB in MBAFF mode
+	(f0.1) add (1)	MSGSRC.1:d	MSGSRC.1:d		8:w		
+    
+	// Dual field mode setup
+	and.z.f0.1 (1) NULLREGW		DualFieldMode:w		1:w
+	(f0.1) jmpi NOT_DUAL_FIELD_UV
+
+    add (1)	MSGSRC.1:d		MSGSRC.1:d		-2:w			{ NoDDClr }			// Load 4 lines in stead of 2
+	mov (1)	MSGSRC.2:ud		0x0003000F:ud					{ NoDDChk }			// New block width and height (16x8)
+
+	add (1) MSGDSC			MSGDSC			RESP_LEN(1):ud	// 1 more GRF to receive
+
+NOT_DUAL_FIELD_UV:    
+    
+ELSE_UV_8X2: 
+	else 	(1)		ENDIF_UV_8X2
+
+	// Field picture
+	asr (1)	MSGSRC.1:d		ORIY_CUR:w		2:w			// asr 1: NV12 U+V block origin y = half of Y comp
+														// asr 1: Reduce y by half in field access mode
+	
+    (f0.1) mov (1)	MSGDSC	RESP_LEN(1)+DWBRMSGDSC_RC_BF+BI_DEST_UV:ud  // Read 1 GRF from SRC_Y bottom field
+    (-f0.1) mov (1)	MSGDSC	RESP_LEN(1)+DWBRMSGDSC_RC_TF+BI_DEST_UV:ud  // Read 1 GRF from SRC_Y top field
+
+	add (1) MSGSRC.1:d		MSGSRC.1:d		-2:w				// for last 2 rows of above MB
+
+	endif
+ENDIF_UV_8X2:
+
+	// Read 1 GRF from DEST surface as the above MB has been deblocked.
+	send (8) PREV_MB_UD(0)<1>	MSGHDRU	MSGSRC<8;8,1>:ud	DAPREAD	MSGDSC	
+
+// End of load_Top_UV_8x2.asm