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add stub dsp/enc_avx2.c

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VP8EncDspInitAVX2 is included in sse2 builds for now, later a configure
flag should be added to avoid the stub when avx2 is unavailable/disabled

Change-Id: I6127b687c273f46f41652aaf8e3b86ae3cfb8108
This commit is contained in:
James Zern 2014-05-22 00:26:18 -07:00
parent 1b99c09cdc
commit 178e9a69ae
6 changed files with 44 additions and 3 deletions
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1
Android.mk
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@ -39,6 +39,7 @@ LOCAL_SRC_FILES := \
src/dsp/dec_neon.$(NEON) \
src/dsp/dec_sse2.c \
src/dsp/enc.c \
src/dsp/enc_avx2.c \
src/dsp/enc_mips32.c \
src/dsp/enc_neon.$(NEON) \
src/dsp/enc_sse2.c \

1
Makefile.vc
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@ -184,6 +184,7 @@ DSP_DEC_OBJS = \
DSP_ENC_OBJS = \
$(DIROBJ)\dsp\enc.obj \
$(DIROBJ)\dsp\enc_avx2.obj \
$(DIROBJ)\dsp\enc_mips32.obj \
$(DIROBJ)\dsp\enc_neon.obj \
$(DIROBJ)\dsp\enc_sse2.obj \

1
makefile.unix
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@ -119,6 +119,7 @@ DSP_DEC_OBJS = \
DSP_ENC_OBJS = \
src/dsp/enc.o \
src/dsp/enc_avx2.o \
src/dsp/enc_mips32.o \
src/dsp/enc_neon.o \
src/dsp/enc_sse2.o \

13
src/dsp/Makefile.am
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@ -1,5 +1,5 @@
AM_CPPFLAGS = -I$(top_srcdir)/src
noinst_LTLIBRARIES = libwebpdsp.la
noinst_LTLIBRARIES = libwebpdsp.la libwebpdsp_avx2.la
if BUILD_LIBWEBPDECODER
noinst_LTLIBRARIES += libwebpdspdecode.la
@ -35,18 +35,25 @@ ENC_SOURCES += enc_mips32.c
ENC_SOURCES += enc_neon.c
ENC_SOURCES += enc_sse2.c
libwebpdsp_avx2_la_SOURCES =
libwebpdsp_avx2_la_SOURCES += enc_avx2.c
libwebpdsp_avx2_la_CPPFLAGS = $(libwebpdsp_la_CPPFLAGS)
libwebpdsp_avx2_la_CFLAGS = $(AM_CFLAGS) $(AVX2_FLAGS)
libwebpdsp_la_SOURCES = $(COMMON_SOURCES) $(ENC_SOURCES)
noinst_HEADERS =
noinst_HEADERS += ../dec/decode_vp8.h
noinst_HEADERS += ../webp/decode.h
libwebpdsp_la_LDFLAGS = -lm
libwebpdsp_la_CPPFLAGS = $(USE_EXPERIMENTAL_CODE) $(USE_SWAP_16BIT_CSP)
libwebpdsp_la_LDFLAGS = -lm
libwebpdsp_la_LIBADD = libwebpdsp_avx2.la
if BUILD_LIBWEBPDECODER
libwebpdspdecode_la_SOURCES = $(COMMON_SOURCES)
libwebpdspdecode_la_LDFLAGS = $(libwebpdsp_la_LDFLAGS)
libwebpdspdecode_la_CPPFLAGS = $(libwebpdsp_la_CPPFLAGS)
libwebpdspdecode_la_LDFLAGS = $(libwebpdsp_la_LDFLAGS)
libwebpdspdecode_la_LIBADD = libwebpdsp_avx2.la
endif

7
src/dsp/enc.c
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@ -688,6 +688,7 @@ VP8QuantizeBlockWHT VP8EncQuantizeBlockWHT;
VP8BlockCopy VP8Copy4x4;
extern void VP8EncDspInitSSE2(void);
extern void VP8EncDspInitAVX2(void);
extern void VP8EncDspInitNEON(void);
extern void VP8EncDspInitMIPS32(void);
@ -719,6 +720,12 @@ void VP8EncDspInit(void) {
if (VP8GetCPUInfo(kSSE2)) {
VP8EncDspInitSSE2();
}
// TODO(jzern): this should be conditionally included based on a configure
// (HAVE_AVX2) define. We can't use WEBP_USE_AVX2/__AVX2__ here as -mavx2
// won't be defined for this file.
if (VP8GetCPUInfo(kAVX2)) {
VP8EncDspInitAVX2();
}
#elif defined(WEBP_USE_NEON)
if (VP8GetCPUInfo(kNEON)) {
VP8EncDspInitNEON();

24
src/dsp/enc_avx2.c Normal file
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@ -0,0 +1,24 @@
// Copyright 2014 Google Inc. All Rights Reserved.
//
// Use of this source code is governed by a BSD-style license
// that can be found in the COPYING file in the root of the source
// tree. An additional intellectual property rights grant can be found
// in the file PATENTS. All contributing project authors may
// be found in the AUTHORS file in the root of the source tree.
// -----------------------------------------------------------------------------
//
// AVX2 version of speed-critical encoding functions.
#include "./dsp.h"
#if defined(WEBP_USE_AVX2)
#endif // WEBP_USE_AVX2
//------------------------------------------------------------------------------
// Entry point
extern void VP8EncDspInitAVX2(void);
void VP8EncDspInitAVX2(void) {
}