1 files changed, 76 insertions, 0 deletions
diff --git a/src/shaders/h264/ildb/load_Left_UV_2x8T.asm b/src/shaders/h264/ildb/load_Left_UV_2x8T.asm
new file mode 100644
index 00000000..a5f622c0
--- /dev/null
+++ b/src/shaders/h264/ildb/load_Left_UV_2x8T.asm
@@ -0,0 +1,76 @@
+/*
+ * 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_Left_UV_2X8T.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			0xDDD0:w
+#endif
+
+#if defined(_PROGRESSIVE) 
+	// Read U+V
+    mov (1)	MSGSRC.0:ud		ORIX_LEFT:w							{ NoDDClr }		// Block origin
+    asr (1)	MSGSRC.1:ud		ORIY_LEFT:w			1:w				{ NoDDClr, NoDDChk }		// NV12 U+V block origin y = half of Y comp
+    mov (1)	MSGSRC.2:ud		0x00070003:ud						{ NoDDChk }		// NV12 U+V block width and height (4x8)
+
+	send (8) LEFT_TEMP_D(0)<1>	MSGHDRU	MSGSRC<8;8,1>:ud	DAPREAD	RESP_LEN(1)+DWBRMSGDSC_RC+BI_DEST_UV	
+#endif
+
+#if defined(_FIELD) || defined(_MBAFF)
+
+    // FieldModeCurrentMbFlag determines how to access left 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				// Get bottom field flag
+
+	// Read U+V
+    mov (1)	MSGSRC.0:ud		ORIX_LEFT:w							{ NoDDClr }		// Block origin
+    asr (1)	MSGSRC.1:ud		ORIY_LEFT:w			1:w				{ NoDDClr, NoDDChk }		// NV12 U+V block origin y = half of Y comp
+    mov (1)	MSGSRC.2:ud		0x00070003:ud						{ NoDDChk }		// NV12 U+V block width and height (4x8)
+
+	// Load NV12 U+V 
+	
+    // Set message descriptor
+
+	(f0.0)	if	(1)		ILDB_LABEL(ELSE_Y_2x8T)
+
+    // Frame picture
+    mov (1)	MSGDSC	RESP_LEN(1)+DWBRMSGDSC_RC+BI_DEST_UV:ud			// Read 1 GRF from SRC_UV
+
+	(f0.1) add (1)	MSGSRC.1:d		MSGSRC.1:d		8:w		// Add vertical offset 8 for bot MB in MBAFF mode
+
+ILDB_LABEL(ELSE_Y_2x8T): 
+	else 	(1)		ILDB_LABEL(ENDIF_Y_2x8T)
+
+	// Field picture
+    (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
+
+	endif
+ILDB_LABEL(ENDIF_Y_2x8T):
+
+	// Read 1 GRF from DEST surface as the above MB has been deblocked.
+//	send (8) BUF_D(0)<1>	MSGHDRU	MSGSRC<8;8,1>:ud	MSGDSC	
+	send (8) LEFT_TEMP_D(0)<1>	MSGHDRU	MSGSRC<8;8,1>:ud	DAPREAD	MSGDSC	
+
+#endif
+
+// End of load_Left_UV_2x8T.asm