93c32a55c2
Moving the eob structure allows for a non-struct based function to handle decoding an entire mb of idct/dequant/recon data. This allows for SIMD functions to idct/dequant/recon multiple blocks at once. SSE2 implementation gives 3% gain on Atom. Change-Id: I8a8f3efd546ea4e0535f517d94f347cfb737c9c2
63 lines
2.0 KiB
C
63 lines
2.0 KiB
C
/*
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* Copyright (c) 2010 The VP8 project authors. All Rights Reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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#include "vpx_ports/config.h"
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#include "vpx_ports/x86.h"
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#include "onyxd_int.h"
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#if HAVE_MMX
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void vp8_dequantize_b_impl_mmx(short *sq, short *dq, short *q);
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void vp8_dequantize_b_mmx(BLOCKD *d)
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{
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short *sq = (short *) d->qcoeff;
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short *dq = (short *) d->dqcoeff;
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short *q = (short *) d->dequant;
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vp8_dequantize_b_impl_mmx(sq, dq, q);
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}
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#endif
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void vp8_arch_x86_decode_init(VP8D_COMP *pbi)
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{
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int flags = x86_simd_caps();
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/* Note:
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*
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* This platform can be built without runtime CPU detection as well. If
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* you modify any of the function mappings present in this file, be sure
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* to also update them in static mapings (<arch>/filename_<arch>.h)
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*/
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#if CONFIG_RUNTIME_CPU_DETECT
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/* Override default functions with fastest ones for this CPU. */
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#if HAVE_MMX
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if (flags & HAS_MMX)
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{
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pbi->dequant.block = vp8_dequantize_b_mmx;
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pbi->dequant.idct_add = vp8_dequant_idct_add_mmx;
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pbi->dequant.dc_idct_add = vp8_dequant_dc_idct_add_mmx;
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pbi->dequant.dc_idct_add_y_block = vp8_dequant_dc_idct_add_y_block_mmx;
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pbi->dequant.idct_add_y_block = vp8_dequant_idct_add_y_block_mmx;
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pbi->dequant.idct_add_uv_block = vp8_dequant_idct_add_uv_block_mmx;
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}
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#endif
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#if HAVE_SSE2
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if (flags & HAS_SSE2)
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{
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pbi->dequant.dc_idct_add_y_block = vp8_dequant_dc_idct_add_y_block_sse2;
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pbi->dequant.idct_add_y_block = vp8_dequant_idct_add_y_block_sse2;
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pbi->dequant.idct_add_uv_block = vp8_dequant_idct_add_uv_block_sse2;
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}
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#endif
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#endif
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}
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