1 files changed, 84 insertions, 0 deletions
diff --git a/src/shaders/h264/ildb/load_Left_Y_4x16T_Mbaff.asm b/src/shaders/h264/ildb/load_Left_Y_4x16T_Mbaff.asm
new file mode 100644
index 0000000..95f73a3
--- /dev/null
+++ b/src/shaders/h264/ildb/load_Left_Y_4x16T_Mbaff.asm
@@ -0,0 +1,84 @@
+/*
+ * 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_Y_4x16T.asm
+//
+// Load luma left MB 4x16 and transpose 4x16 to 16x4.
+//
+//----------------------------------------------------------------
+//  Symbols need to be defined before including this module
+//
+//	Source region in :ud
+//	PREV_MB_YD:		PREV_MB_YD Base=rxx ElementSize=4 SrcRegion=REGION(8,1) Type=ud			// 2 GRFs
+//
+//	Binding table index: 
+//	BI_SRC_Y:		Binding table index of Y surface
+//
+//----------------------------------------------------------------
+
+#if defined(_DEBUG) 
+	mov		(1)		EntrySignatureC:w			0xDDD0:w
+#endif
+
+    // 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 Y
+    mov (2)	MSGSRC.0<1>:ud	ORIX_LEFT<2;2,1>:w		{ NoDDClr }		// Block origin
+    mov (1)	MSGSRC.2<1>:ud	0x000F0003:ud			{ NoDDChk }		// Block width and height (4x16)
+    
+    // Set message descriptor, etc.
+    
+	(f0.0)	if	(1)		ELSE_Y_4x16T
+
+    // Frame picture
+    mov (1)	MSGDSC	RESP_LEN(2)+DWBRMSGDSC_RC+BI_DEST_Y:ud			// Read 2 GRFs from DEST_Y
+    
+	(f0.1) add (1)	MSGSRC.1:d		MSGSRC.1:d		16:w		// Add vertical offset 16 for bot MB in MBAFF mode
+    
+ELSE_Y_4x16T: 
+	else 	(1)		ENDIF_Y_4x16T
+
+	// Field picture
+    (f0.1) mov (1)	MSGDSC	RESP_LEN(2)+DWBRMSGDSC_RC_BF+BI_DEST_Y:ud  // Read 2 GRFs from DEST_Y bottom field
+    (-f0.1) mov (1)	MSGDSC	RESP_LEN(2)+DWBRMSGDSC_RC_TF+BI_DEST_Y:ud  // Read 2 GRFs from DEST_Y top field
+
+	asr (1)	MSGSRC.1:d		MSGSRC.1:d		1:w					// Reduce y by half in field access mode
+
+	endif
+ENDIF_Y_4x16T:
+
+//    send (8) BUF_D(0)<1>	MSGHDRY	MSGSRC<8;8,1>:ud	MSGDSC
+    send (8) LEFT_TEMP_D(0)<1>	MSGHDRL		MSGSRC<8;8,1>:ud	DAPREAD	MSGDSC
+
+
+//	Transpose 4x16 to 16x4
+
+//	Input received from dport:
+//	+-----------------------+-----------------------+-----------------------+-----------------------+
+//	|73 72 71 70 63 62 61 60 53 52 51 50 43 42 41 40 33 32 31 30 23 22 21 20 13 12 11 10 03 02 01 00|
+//	+-----------------------+-----------------------+-----------------------+-----------------------+
+//	|f3 f2 f1 f0 e3 e2 e1 e0 d3 d2 d1 d0 c3 c2 c1 c0 b3 b2 b1 b0 a3 a2 a1 a0 93 92 91 90 83 82 81 80|
+//	+-----------------------+-----------------------+-----------------------+-----------------------+
+
+//	Output of transpose:		<1>	<= <32;8,4>
+//	+-----------------------+-----------------------+-----------------------+-----------------------+
+//	|f1 e1 d1 c1 b1 a1 91 81 71 61 51 41 31 21 11 01 f0 e0 d0 c0 b0 a0 90 80 70 60 50 40 30 20 10 00|
+//	+-----------------------+-----------------------+-----------------------+-----------------------+
+//	|f3 e3 d3 c3 b3 a3 93 83 73 63 53 43 33 23 13 03 f2 e2 d2 c2 b2 a2 92 82 72 62 52 42 32 22 12 02|
+//	+-----------------------+-----------------------+-----------------------+-----------------------+
+/*
+	// Transpose the data, also occupy 2 GRFs
+	mov (16)	PREV_MB_YB(0)<1>			BUF_B(0, 0)<32;8,4>		{ NoDDClr }
+	mov (16)	PREV_MB_YB(0, 16)<1>		BUF_B(0, 1)<32;8,4>		{ NoDDChk }
+	mov (16)	PREV_MB_YB(1)<1>			BUF_B(0, 2)<32;8,4>		{ NoDDClr }
+	mov (16)	PREV_MB_YB(1, 16)<1>		BUF_B(0, 3)<32;8,4>		{ NoDDChk }
+*/
+// End of load_Y_4x16T