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Diffstat (limited to 'src/shaders/h264/ildb/save_Top_UV_8x2.asm')
-rw-r--r--src/shaders/h264/ildb/save_Top_UV_8x2.asm52
1 files changed, 52 insertions, 0 deletions
diff --git a/src/shaders/h264/ildb/save_Top_UV_8x2.asm b/src/shaders/h264/ildb/save_Top_UV_8x2.asm
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index 0000000..5263c35
--- /dev/null
+++ b/src/shaders/h264/ildb/save_Top_UV_8x2.asm
@@ -0,0 +1,52 @@
+/*
+ * 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: save_Top_UV_8x2.asm
+//
+// Save UV 8x2 block (8x2U + 8x2V in NV12)
+//
+//----------------------------------------------------------------
+// Symbols need to be defined before including this module
+//
+// Source region in :ud
+// SRC_UD: SRC_UD Base=rxx ElementSize=4 SrcRegion=REGION(8,1) Type=ud // 1 GRF
+//
+// Binding table index:
+// BI_DEST_UV: Binding table index of UV surface (NV12)
+//
+//----------------------------------------------------------------
+
+#if defined(_DEBUG)
+ mov (1) EntrySignatureC:w 0xDDD5:w
+#endif
+
+#if defined(_FIELD)
+ and.nz.f0.1 (1) NULLREGW BitFields:w BotFieldFlag:w // Get bottom field flag
+#endif
+
+ mov (1) MSGSRC.0:ud ORIX_TOP:w { NoDDClr } // Block origin
+ asr (1) MSGSRC.1:ud 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)
+
+ mov (8) MSGPAYLOADD(0,0)<1> TOP_MB_UD(0)
+
+
+#if defined(_PROGRESSIVE)
+ mov (1) MSGDSC MSG_LEN(1)+DWBWMSGDSC_WC+BI_DEST_UV:ud
+// send (8) NULLREG MSGHDR MSGSRC<8;8,1>:ud DWBWMSGDSC+0x00100000+BI_DEST_UV
+#endif
+
+#if defined(_FIELD)
+ // Field picture
+ (f0.1) mov (1) MSGDSC MSG_LEN(1)+DWBWMSGDSC_WC+ENMSGDSCBF+BI_DEST_UV:ud // Write 1 GRF to DEST_Y bottom field
+ (-f0.1) mov (1) MSGDSC MSG_LEN(1)+DWBWMSGDSC_WC+ENMSGDSCTF+BI_DEST_UV:ud // Write 1 GRF to DEST_Y top field
+
+#endif
+
+ send (8) WritebackResponse(0)<1> MSGHDR MSGSRC<8;8,1>:ud DAPWRITE MSGDSC
+// End of save_Top_UV_8x2.asm