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/*
* 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.
*
*/
/////////////////////////////////////////////////////////////////////////////////
// Multiple_Loop.asm
// This lable is for satisfying component kernel build.
// DL will remove this label and reference the real one in Multiple_Loop_Head.asm.
#if defined(COMPONENT)
VIDEO_PROCESSING_LOOP:
#endif
//===== Possible build flags for component kernels
// 1) INC_SCALING
// 2) INC_BLENDING
// 3) INC_BLENDING and INC_SCALING
// 4) (no flags)
#define MxN_MULTIPLE_BLOCKS
//------------------------------------------------------------------------------
#if defined(MxN_MULTIPLE_BLOCKS)
// Do Multiple Block Processing ------------------------------------------------
// The 1st block has been processed before entering the loop
// Processed all blocks?
add.z.f0.0 (1) wNUM_BLKS:w wNUM_BLKS:w -1:w
// Reached multi-block width?
add (1) wORIX:w wORIX:w 16:w
cmp.l.f0.1 (1) null:w wORIX:w wFRAME_ENDX:w // acc0.0 has wORIX
#if defined(INC_SCALING)
// Update SRC_VID_H_ORI for scaling
mul (1) REG(r,nTEMP0):f fVIDEO_STEP_X:f 16.0:f
add (1) fSRC_VID_H_ORI:f REG(r,nTEMP0):f fSRC_VID_H_ORI:f
#endif
#if defined(INC_BLENDING)
// Update SRC_ALPHA_H_ORI for blending
mul (1) REG(r,nTEMP0):f fALPHA_STEP_X:f 16.0:f
add (1) fSRC_ALPHA_H_ORI:f REG(r,nTEMP0):f fSRC_ALPHA_H_ORI:f
#endif
(f0.0)jmpi (1) END_VIDEO_PROCESSING // All blocks are done - Exit loop
(f0.1)jmpi (1) VIDEO_PROCESSING_LOOP // If not the end of row, goto the beginning of the loop
//If end of row, restart Horizontal offset and calculate Vertical offsets next row.
mov (1) wORIX:w wCOPY_ORIX:w
add (1) wORIY:w wORIY:w 8:w
#if defined(INC_SCALING)
// Update SRC_VID_H_ORI and SRC_VID_V_ORI for scaling
mov (1) fSRC_VID_H_ORI:f fFRAME_VID_ORIX:f // Reset normalised X origin to 0 for video and alpha
mul (1) REG(r,nTEMP0):f fVIDEO_STEP_Y:f 8.0:f
add (1) fSRC_VID_V_ORI:f REG(r,nTEMP0):f fSRC_VID_V_ORI:f
#endif
#if defined(INC_BLENDING)
// Update SRC_ALPHA_H_ORI and SRC_ALPHA_V_ORI for blending
mov (1) fSRC_ALPHA_H_ORI:f fFRAME_ALPHA_ORIX:f // Reset normalised X origin to 0 for video and alpha
mul (1) REG(r,nTEMP0):f fALPHA_STEP_Y:f 8.0:f
add (1) fSRC_ALPHA_V_ORI:f REG(r,nTEMP0):f fSRC_ALPHA_V_ORI:f
#endif
jmpi (1) VIDEO_PROCESSING_LOOP // Continue Loop
END_VIDEO_PROCESSING:
nop
#endif
END_THREAD // End of Thread
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