diff options
Diffstat (limited to 'src/shaders/h264/ildb/saveNV12_16x16.asm')
-rw-r--r-- | src/shaders/h264/ildb/saveNV12_16x16.asm | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/src/shaders/h264/ildb/saveNV12_16x16.asm b/src/shaders/h264/ildb/saveNV12_16x16.asm new file mode 100644 index 0000000..1cbe27b --- /dev/null +++ b/src/shaders/h264/ildb/saveNV12_16x16.asm @@ -0,0 +1,53 @@ +/*
+ * 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: saveNV12_16x16.asm
+//
+// Save a NV12 16x16 block
+//
+//----------------------------------------------------------------
+// Symbols need to be defined before including this module
+//
+// Source region in :ud
+// SRC_YD: SRC_YD Base=rxx ElementSize=4 SrcRegion=REGION(8,1) Type=ud // 8 GRFs
+// SRC_UD: SRC_UD Base=rxx ElementSize=4 SrcRegion=REGION(8,1) Type=ud // 4 GRF
+//
+// Binding table index:
+// BI_DEST_Y: Binding table index of Y surface
+// BI_DEST_UV: Binding table index of UV surface (NV12)
+//
+//----------------------------------------------------------------
+
+#if defined(_DEBUG)
+ mov (1) EntrySignatureC:w 0xDDD4:w
+#endif
+
+
+ mov (2) MSGSRC.0<1>:ud ORIX_CUR<2;2,1>:w // Block origin
+ mov (1) MSGSRC.2<1>:ud 0x000F000F:ud // Block width and height (16x16)
+
+ // Pack Y
+ mov (16) MSGPAYLOADD(0)<1> SRC_YD(0) // Compressed inst
+ mov (16) MSGPAYLOADD(2)<1> SRC_YD(2)
+ mov (16) MSGPAYLOADD(4)<1> SRC_YD(4)
+ mov (16) MSGPAYLOADD(6)<1> SRC_YD(6)
+
+ send (8) NULLREG MSGHDR MSGSRC<8;8,1>:ud DAPWRITE MSG_LEN(8)+DWBWMSGDSC+BI_DEST_Y // Write 8 GRFs
+
+
+
+ asr (1) MSGSRC.1:ud MSGSRC.1:ud 1:w // NV12 U+V block origin y = half of Y comp
+ mov (1) MSGSRC.2<1>:ud 0x0007000F:ud // NV12 U+V block width and height (16x8)
+
+ mov (16) MSGPAYLOADD(0)<1> SRC_UD(0) // Compressed inst
+ mov (16) MSGPAYLOADD(2)<1> SRC_UD(2)
+
+ send (8) NULLREG MSGHDR MSGSRC<8;8,1>:ud DAPWRITE MSG_LEN(4)+DWBWMSGDSC+BI_DEST_UV // Write 4 GRFs
+
+
+// End of saveNV12_16x16.asm
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