1 files changed, 58 insertions, 0 deletions
diff --git a/src/shaders/post_processing/Core_Kernels/PL2_AVS_IEF_8x4.asm b/src/shaders/post_processing/Core_Kernels/PL2_AVS_IEF_8x4.asm
new file mode 100644
index 0000000..9b221e7
--- /dev/null
+++ b/src/shaders/post_processing/Core_Kernels/PL2_AVS_IEF_8x4.asm
@@ -0,0 +1,58 @@
+/*
+ * All Video Processing kernels 
+ * 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.
+ *
+ */
+
+//---------- PL2_AVS_IEF_8x4.asm ----------
+
+#include "AVS_IEF.inc"
+
+//------------------------------------------------------------------------------
+// 2 sampler reads for 8x8 Y each
+// 1 sampler read for 8x8 U and 8x8 V (NV11\NV12 input surface)
+//------------------------------------------------------------------------------
+
+    // 1st 8x8 setup
+    #include "AVS_SetupFirstBlock.asm"
+
+    // Enable green channel only
+    mov (1) rAVS_8x8_HDR.2:ud      nAVS_GREEN_CHANNEL_ONLY:ud               
+
+    mov (16) mAVS_8x8_HDR.0:ud      rAVS_8x8_HDR.0<8;8,1>:ud    // Copy msg header and payload mirrors to MRFs
+    send (1) uwAVS_RESPONSE(0)<1>   mAVS_8x8_HDR   udDUMMY_NULL      nSMPL_ENGINE        nAVS_MSG_DSC_1CH+nSI_SRC_Y+nBI_CURRENT_SRC_Y
+    // Return Y in 4 GRFs
+
+    // 8x8 U and V sampling 
+    // Enable red and blue channels  
+    //Only 8x4 wil be used  
+    mov (1) rAVS_8x8_HDR.2:ud  nAVS_RED_BLUE_CHANNELS:ud                   
+
+    // Calculate Chroma Step Size:
+    // for H direction: 16 Luma samples are covered by 8 Chroma samples. Thus Chroma_Step_X = 2 * Luma_Step_X 
+    // for V direction: 8  Luma samples are covered by 8 Chroma samples. Thus Chroma_Step_Y = Luma_Step_Y
+    mul  (1)  rAVS_PAYLOAD.1:f      fVIDEO_STEP_X:f    2.0:f             // Step X for chroma
+
+    mov (16) mAVS_8x8_HDR_UV.0:ud      rAVS_8x8_HDR.0<8;8,1>:ud    // Copy msg header and payload mirrors to MRFs
+    send (1) uwAVS_RESPONSE(4)<1> mAVS_8x8_HDR_UV   udDUMMY_NULL  nSMPL_ENGINE    nAVS_MSG_DSC_2CH+nSI_SRC_UV+nBI_CURRENT_SRC_UV
+    // Return U and V in 8 GRFs
+
+    // 2nd 8x8 setup
+    #include "AVS_SetupSecondBlock.asm"
+
+    // 2nd 8x8 Y sampling
+    // Enable green channel only
+    mov (1) rAVS_8x8_HDR.2:ud      nAVS_GREEN_CHANNEL_ONLY:ud                           
+
+    mov (16) mAVS_8x8_HDR.0:ud      rAVS_8x8_HDR.0<8;8,1>:ud    // Copy msg header and payload mirrors to MRFs
+    send (1) uwAVS_RESPONSE_2(0)<1>    mAVS_8x8_HDR    udDUMMY_NULL    nSMPL_ENGINE    nAVS_MSG_DSC_1CH+nSI_SRC_Y+nBI_CURRENT_SRC_Y 
+
+//------------------------------------------------------------------------------
+// Unpacking sampler reads to 4:2:0 internal planar 
+//------------------------------------------------------------------------------
+    #include "PL2_AVS_IEF_Unpack_8x4.asm"
+