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MIPS: dspr2: added optimization for ColorIndexInverseTransforms

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Change-Id: I5b6094ce489d4f896bc4b8f575142eb3c5054beb
This commit is contained in:
Djordje Pesut 2014-09-02 16:34:52 +02:00
parent d3242aee16
commit f0103595dd
7 changed files with 173 additions and 29 deletions
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1
Android.mk
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@ -49,6 +49,7 @@ LOCAL_SRC_FILES := \
src/dsp/filters_mips_dsp_r2.c \
src/dsp/lossless.c \
src/dsp/lossless_mips32.c \
src/dsp/lossless_mips_dsp_r2.c \
src/dsp/lossless_neon.$(NEON) \
src/dsp/lossless_sse2.c \
src/dsp/upsampling.c \

1
Makefile.vc
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@ -183,6 +183,7 @@ DSP_DEC_OBJS = \
$(DIROBJ)\dsp\filters_mips_dsp_r2.obj \
$(DIROBJ)\dsp\lossless.obj \
$(DIROBJ)\dsp\lossless_mips32.obj \
$(DIROBJ)\dsp\lossless_mips_dsp_r2.obj \
$(DIROBJ)\dsp\lossless_neon.obj \
$(DIROBJ)\dsp\lossless_sse2.obj \
$(DIROBJ)\dsp\upsampling.obj \

1
makefile.unix
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@ -119,6 +119,7 @@ DSP_DEC_OBJS = \
src/dsp/filters_mips_dsp_r2.o \
src/dsp/lossless.o \
src/dsp/lossless_mips32.o \
src/dsp/lossless_mips_dsp_r2.o \
src/dsp/lossless_neon.o \
src/dsp/lossless_sse2.o \
src/dsp/upsampling.o \

1
src/dsp/Makefile.am
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@ -21,6 +21,7 @@ COMMON_SOURCES += filters_mips_dsp_r2.c
COMMON_SOURCES += lossless.c
COMMON_SOURCES += lossless.h
COMMON_SOURCES += lossless_mips32.c
COMMON_SOURCES += lossless_mips_dsp_r2.c
COMMON_SOURCES += lossless_neon.c
COMMON_SOURCES += neon.h
COMMON_SOURCES += upsampling.c

61
src/dsp/lossless.c
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@ -1184,9 +1184,21 @@ static void ColorSpaceInverseTransform(const VP8LTransform* const transform,
// Separate out pixels packed together using pixel-bundling.
// We define two methods for ARGB data (uint32_t) and alpha-only data (uint8_t).
#define COLOR_INDEX_INVERSE(FUNC_NAME, TYPE, GET_INDEX, GET_VALUE) \
void FUNC_NAME(const VP8LTransform* const transform, \
int y_start, int y_end, const TYPE* src, TYPE* dst) { \
#define COLOR_INDEX_INVERSE(FUNC_NAME, F_NAME, STATIC_DECL, TYPE, BIT_SUFFIX, \
GET_INDEX, GET_VALUE) \
static void F_NAME(const TYPE* src, const uint32_t* const color_map, \
TYPE* dst, int y_start, int y_end, int width) { \
int y; \
for (y = y_start; y < y_end; ++y) { \
int x; \
for (x = 0; x < width; ++x) { \
*dst++ = GET_VALUE(color_map[GET_INDEX(*src++)]); \
} \
} \
} \
STATIC_DECL void FUNC_NAME(const VP8LTransform* const transform, \
int y_start, int y_end, const TYPE* src, \
TYPE* dst) { \
int y; \
const int bits_per_pixel = 8 >> transform->bits_; \
const int width = transform->xsize_; \
@ -1209,35 +1221,14 @@ void FUNC_NAME(const VP8LTransform* const transform, \
} \
} \
} else { \
for (y = y_start; y < y_end; ++y) { \
int x; \
for (x = 0; x < width; ++x) { \
*dst++ = GET_VALUE(color_map[GET_INDEX(*src++)]); \
} \
} \
VP8LMapColor##BIT_SUFFIX(src, color_map, dst, y_start, y_end, width); \
} \
}
static WEBP_INLINE uint32_t GetARGBIndex(uint32_t idx) {
return (idx >> 8) & 0xff;
}
static WEBP_INLINE uint8_t GetAlphaIndex(uint8_t idx) {
return idx;
}
static WEBP_INLINE uint32_t GetARGBValue(uint32_t val) {
return val;
}
static WEBP_INLINE uint8_t GetAlphaValue(uint32_t val) {
return (val >> 8) & 0xff;
}
static COLOR_INDEX_INVERSE(ColorIndexInverseTransform, uint32_t, GetARGBIndex,
GetARGBValue)
COLOR_INDEX_INVERSE(VP8LColorIndexInverseTransformAlpha, uint8_t, GetAlphaIndex,
GetAlphaValue)
COLOR_INDEX_INVERSE(ColorIndexInverseTransform, MapARGB, static, uint32_t, 32b,
VP8GetARGBIndex, VP8GetARGBValue)
COLOR_INDEX_INVERSE(VP8LColorIndexInverseTransformAlpha, MapAlpha, , uint8_t,
8b, VP8GetAlphaIndex, VP8GetAlphaValue)
#undef COLOR_INDEX_INVERSE
@ -1586,9 +1577,13 @@ VP8LCostCombinedCountFunc VP8LHuffmanCostCombinedCount;
VP8LHistogramAddFunc VP8LHistogramAdd;
VP8LMapARGBFunc VP8LMapColor32b;
VP8LMapAlphaFunc VP8LMapColor8b;
extern void VP8LDspInitSSE2(void);
extern void VP8LDspInitNEON(void);
extern void VP8LDspInitMIPS32(void);
extern void VP8LDspInitMIPSdspR2(void);
void VP8LDspInit(void) {
memcpy(VP8LPredictors, kPredictorsC, sizeof(VP8LPredictors));
@ -1616,6 +1611,9 @@ void VP8LDspInit(void) {
VP8LHistogramAdd = HistogramAdd;
VP8LMapColor32b = MapARGB;
VP8LMapColor8b = MapAlpha;
// If defined, use CPUInfo() to overwrite some pointers with faster versions.
if (VP8GetCPUInfo != NULL) {
#if defined(WEBP_USE_SSE2)
@ -1632,6 +1630,11 @@ void VP8LDspInit(void) {
if (VP8GetCPUInfo(kMIPS32)) {
VP8LDspInitMIPS32();
}
#endif
#if defined(WEBP_USE_MIPS_DSP_R2)
if (VP8GetCPUInfo(kMIPSdspR2)) {
VP8LDspInitMIPSdspR2();
}
#endif
}
}

31
src/dsp/lossless.h
View File

@ -163,6 +163,37 @@ typedef void (*VP8LHistogramAddFunc)(const VP8LHistogram* const a,
VP8LHistogram* const out);
extern VP8LHistogramAddFunc VP8LHistogramAdd;
// -----------------------------------------------------------------------------
// color mapping related functions.
static WEBP_INLINE uint32_t VP8GetARGBIndex(uint32_t idx) {
return (idx >> 8) & 0xff;
}
static WEBP_INLINE uint8_t VP8GetAlphaIndex(uint8_t idx) {
return idx;
}
static WEBP_INLINE uint32_t VP8GetARGBValue(uint32_t val) {
return val;
}
static WEBP_INLINE uint8_t VP8GetAlphaValue(uint32_t val) {
return (val >> 8) & 0xff;
}
typedef void (*VP8LMapARGBFunc)(const uint32_t* src,
const uint32_t* const color_map,
uint32_t* dst, int y_start,
int y_end, int width);
typedef void (*VP8LMapAlphaFunc)(const uint8_t* src,
const uint32_t* const color_map,
uint8_t* dst, int y_start,
int y_end, int width);
extern VP8LMapARGBFunc VP8LMapColor32b;
extern VP8LMapAlphaFunc VP8LMapColor8b;
// -----------------------------------------------------------------------------
// PrefixEncode()

106
src/dsp/lossless_mips_dsp_r2.c Normal file
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@ -0,0 +1,106 @@
// 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.
// -----------------------------------------------------------------------------
//
// Image transforms and color space conversion methods for lossless decoder.
//
// Author(s): Djordje Pesut (djordje.pesut@imgtec.com)
// Jovan Zelincevic (jovan.zelincevic@imgtec.com)
#include "./dsp.h"
#if defined(WEBP_USE_MIPS_DSP_R2)
#include "./lossless.h"
#define MAP_COLOR_FUNCS(FUNC_NAME, TYPE, GET_INDEX, GET_VALUE) \
static void FUNC_NAME(const TYPE* src, \
const uint32_t* const color_map, \
TYPE* dst, int y_start, int y_end, \
int width) { \
int y; \
for (y = y_start; y < y_end; ++y) { \
int x; \
for (x = 0; x < (width >> 2); ++x) { \
int tmp1, tmp2, tmp3, tmp4; \
__asm__ volatile ( \
".ifc "#TYPE", uint8_t \n\t" \
"lbu %[tmp1], 0(%[src]) \n\t" \
"lbu %[tmp2], 1(%[src]) \n\t" \
"lbu %[tmp3], 2(%[src]) \n\t" \
"lbu %[tmp4], 3(%[src]) \n\t" \
"addiu %[src], %[src], 4 \n\t" \
".endif \n\t" \
".ifc "#TYPE", uint32_t \n\t" \
"lw %[tmp1], 0(%[src]) \n\t" \
"lw %[tmp2], 4(%[src]) \n\t" \
"lw %[tmp3], 8(%[src]) \n\t" \
"lw %[tmp4], 12(%[src]) \n\t" \
"ext %[tmp1], %[tmp1], 8, 8 \n\t" \
"ext %[tmp2], %[tmp2], 8, 8 \n\t" \
"ext %[tmp3], %[tmp3], 8, 8 \n\t" \
"ext %[tmp4], %[tmp4], 8, 8 \n\t" \
"addiu %[src], %[src], 16 \n\t" \
".endif \n\t" \
"sll %[tmp1], %[tmp1], 2 \n\t" \
"sll %[tmp2], %[tmp2], 2 \n\t" \
"sll %[tmp3], %[tmp3], 2 \n\t" \
"sll %[tmp4], %[tmp4], 2 \n\t" \
"lwx %[tmp1], %[tmp1](%[color_map]) \n\t" \
"lwx %[tmp2], %[tmp2](%[color_map]) \n\t" \
"lwx %[tmp3], %[tmp3](%[color_map]) \n\t" \
"lwx %[tmp4], %[tmp4](%[color_map]) \n\t" \
".ifc "#TYPE", uint8_t \n\t" \
"ext %[tmp1], %[tmp1], 8, 8 \n\t" \
"ext %[tmp2], %[tmp2], 8, 8 \n\t" \
"ext %[tmp3], %[tmp3], 8, 8 \n\t" \
"ext %[tmp4], %[tmp4], 8, 8 \n\t" \
"sb %[tmp1], 0(%[dst]) \n\t" \
"sb %[tmp2], 1(%[dst]) \n\t" \
"sb %[tmp3], 2(%[dst]) \n\t" \
"sb %[tmp4], 3(%[dst]) \n\t" \
"addiu %[dst], %[dst], 4 \n\t" \
".endif \n\t" \
".ifc "#TYPE", uint32_t \n\t" \
"sw %[tmp1], 0(%[dst]) \n\t" \
"sw %[tmp2], 4(%[dst]) \n\t" \
"sw %[tmp3], 8(%[dst]) \n\t" \
"sw %[tmp4], 12(%[dst]) \n\t" \
"addiu %[dst], %[dst], 16 \n\t" \
".endif \n\t" \
: [tmp1]"=&r"(tmp1), [tmp2]"=&r"(tmp2), [tmp3]"=&r"(tmp3), \
[tmp4]"=&r"(tmp4), [src]"+&r"(src), [dst]"+r"(dst) \
: [color_map]"r"(color_map) \
: "memory" \
); \
} \
for (x = 0; x < (width & 3); ++x) { \
*dst++ = GET_VALUE(color_map[GET_INDEX(*src++)]); \
} \
} \
}
MAP_COLOR_FUNCS(MapARGB, uint32_t, VP8GetARGBIndex, VP8GetARGBValue)
MAP_COLOR_FUNCS(MapAlpha, uint8_t, VP8GetAlphaIndex, VP8GetAlphaValue)
#undef MAP_COLOR_FUNCS
#endif // WEBP_USE_MIPS_DSP_R2
//------------------------------------------------------------------------------
extern void VP8LDspInitMIPSdspR2(void);
void VP8LDspInitMIPSdspR2(void) {
#if defined(WEBP_USE_MIPS_DSP_R2)
VP8LMapColor32b = MapARGB;
VP8LMapColor8b = MapAlpha;
#endif // WEBP_USE_MIPS_DSP_R2
}
//------------------------------------------------------------------------------