diff options
Diffstat (limited to 'i965_drv_video/shaders/h264/mc/weightedPred.asm')
| -rw-r--r-- | i965_drv_video/shaders/h264/mc/weightedPred.asm | 140 |
1 files changed, 0 insertions, 140 deletions
diff --git a/i965_drv_video/shaders/h264/mc/weightedPred.asm b/i965_drv_video/shaders/h264/mc/weightedPred.asm deleted file mode 100644 index 76525f9..0000000 --- a/i965_drv_video/shaders/h264/mc/weightedPred.asm +++ /dev/null @@ -1,140 +0,0 @@ -/*
- * Weighted prediction of luminance and chrominance
- * 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.
- *
- */
-// Kernel name: WeightedPred.asm
-//
-// Weighted prediction of luminance and chrominance
-//
-
-
-//#if !defined(__WeightedPred__) // Make sure this is only included once
-//#define __WeightedPred__
-
-
- and.z.f0.0 (1) gWEIGHTFLAG:w gWPREDFLAG:ub nWBIDIR_MASK:w
- cmp.e.f0.1 (1) null:w gPREDFLAG:w 2:w
- (-f0.0) jmpi INTERLABEL(WeightedPred)
- (f0.1) jmpi INTERLABEL(DefaultWeightedPred_BiPred)
-
-INTERLABEL(DefaultWeightedPred_UniPred):
-
- cmp.e.f0.0 (1) null:w gPREDFLAG:w 0:w
- (f0.0) jmpi INTERLABEL(Return_WeightedPred)
-
- // luma
- mov (32) gubYPRED(0)<2> gubINTPY1(0) {Compr}
- mov (32) gubYPRED(2)<2> gubINTPY1(2) {Compr}
-
-#ifndef MONO
- // chroma
- mov (32) gubCPRED(0)<2> gubINTPC1(0) {Compr}
-#endif
-
- jmpi INTERLABEL(Return_WeightedPred)
-
-INTERLABEL(DefaultWeightedPred_BiPred):
-
- // luma
- avg.sat (32) gubYPRED(0)<2> gubINTPY0(0) gubINTPY1(0) {Compr}
- avg.sat (32) gubYPRED(2)<2> gubINTPY0(2) gubINTPY1(2) {Compr}
-
-#ifndef MONO
- // chroma
- avg.sat (32) gubCPRED(0)<2> gubINTPC0(0) gubINTPC1(0) {Compr}
-#endif
-
- jmpi INTERLABEL(Return_WeightedPred)
-
-INTERLABEL(WeightedPred):
- cmp.e.f0.1 (1) null:w gWEIGHTFLAG:w 0x80:w
- (-f0.1) jmpi INTERLABEL(WeightedPred_Explicit)
-
- cmp.e.f0.0 (1) null:w gPREDFLAG:w 2:w
- (-f0.0) jmpi INTERLABEL(DefaultWeightedPred_UniPred)
-
- mov (2) gYADD<1>:w 32:w {NoDDClr}
- mov (2) gYSHIFT<1>:w 6:w {NoDDChk}
- mov (4) gOFFSET<1>:w 0:w
- mov (8) gWT0<2>:w r[pWGT,0]<0;2,1>:w
-
- jmpi INTERLABEL(WeightedPred_LOOP)
-
- // Explicit Prediction
-INTERLABEL(WeightedPred_Explicit):
-
- // WA for weighted prediction - 2007/09/06
-#ifdef SW_W_128 // CTG SW WA
- cmp.e.f0.1 (8) null:ud r[pWGT,0]<8;8,1>:uw gudW128(0)<0;1,0>
-#else // ILK HW solution
- and.ne.f0.1 (8) null:uw r[pWGT,12]<0;1,0>:ub 0x88848421:v // Expand W=128 flag to all components. 2 MSB are don't care
-#endif
- asr.nz.f0.0 (2) gBIPRED<1>:w gPREDFLAG<0;1,0>:w 1:w
- asr (1) gWEIGHTFLAG:w gWEIGHTFLAG:w 6:w
- (-f0.0) mov (2) gPREDFLAG1<1>:w gPREDFLAG<0;1,0>:w
- (f0.0) mov (2) gPREDFLAG0<1>:ud 0x00010001:ud
- (-f0.0) add (2) gPREDFLAG0<1>:w -gPREDFLAG1<2;2,1>:w 1:w
-
- // WA for weighted prediction - 2007/09/06
- (f0.1) mov (8) gWT0<1>:ud 0x00000080:ud
- (-f0.1) mov (8) gWT0<2>:w r[pWGT,0]<16;8,2>:b
- (-f0.1) mov (8) gO0<2>:w r[pWGT,1]<16;8,2>:b
- mul (16) gWT0<1>:w gWT0<16;16,1>:w gPREDFLAG0<0;4,1>:w
-
- // Compute addition
- cmp.e.f0.1 (2) null<1>:w gYWDENOM<2;2,1>:ub 0:w
- (-f0.1) shl (2) gW0<1>:w gWEIGHTFLAG<0;1,0>:w gYWDENOM<2;2,1>:ub
- (f0.1) mov (2) gW0<1>:w 0:w
- (-f0.1) asr (2) gW0<1>:w gW0<2;2,1>:w 1:w
- shl (2) gYADD<1>:w gW0<2;2,1>:w gBIPRED<0;1,0>:w
- (f0.1) add (2) gYADD<1>:w gYADD<2;2,1>:w gBIPRED<0;1,0>:w
-
- // Compute shift
- add (2) gYSHIFT<1>:w gYWDENOM<2;2,1>:ub gBIPRED<0;1,0>:w
-
- // Compute offset
- add (4) acc0<1>:w gO0<16;4,4>:w gO1<16;4,4>:w
- add (4) acc0<1>:w acc0<4;4,1>:w gBIPRED<0;1,0>:w
- asr (4) gOFFSET<1>:w acc0<4;4,1>:w gBIPRED<0;1,0>:w
-
-INTERLABEL(WeightedPred_LOOP):
- // luma
- $for(0;<4;2) {
- mul (16) acc0<1>:w gubINTPY0(%1) gWT0<0;1,0>:w
- mul (16) acc1<1>:w gubINTPY0(%1+1) gWT0<0;1,0>:w
- mac (16) acc0<1>:w gubINTPY1(%1) gWT1<0;1,0>:w
- mac (16) acc1<1>:w gubINTPY1(%1+1) gWT1<0;1,0>:w
- add (16) acc0<1>:w acc0<16;16,1>:w gYADD:w
- add (16) acc1<1>:w acc1<16;16,1>:w gYADD:w
- // Accumulator cannot be used as destination for ASR
- asr (16) gwINTERIM_BUF3(0)<1> acc0<16;16,1>:w gYSHIFT:w
- asr (16) gwINTERIM_BUF3(1)<1> acc1<16;16,1>:w gYSHIFT:w
- add.sat (16) gubYPRED(%1)<2> gwINTERIM_BUF3(0) gOFFSET:w
- add.sat (16) gubYPRED(%1+1)<2> gwINTERIM_BUF3(1) gOFFSET:w
- }
-
-#ifndef MONO
- // chroma
- mul (16) acc0<1>:w gubINTPC0(0) gUW0<0;2,4>:w
- mul (16) acc1<1>:w gubINTPC0(1) gUW0<0;2,4>:w
- mac (16) acc0<1>:w gubINTPC1(0) gUW1<0;2,4>:w
- mac (16) acc1<1>:w gubINTPC1(1) gUW1<0;2,4>:w
- add (16) acc0<1>:w acc0<16;16,1>:w gCADD:w
- add (16) acc1<1>:w acc1<16;16,1>:w gCADD:w
- // Accumulator cannot be used as destination for ASR
- asr (16) gwINTERIM_BUF3(0)<1> acc0<16;16,1>:w gCSHIFT:w
- asr (16) gwINTERIM_BUF3(1)<1> acc1<16;16,1>:w gCSHIFT:w
- add.sat (16) gubCPRED(0)<2> gwINTERIM_BUF3(0) gUOFFSET<0;2,1>:w
- add.sat (16) gubCPRED(1)<2> gwINTERIM_BUF3(1) gUOFFSET<0;2,1>:w
-#endif
-
-
-INTERLABEL(Return_WeightedPred):
-
-
-//#endif // !defined(__WeightedPred__)
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