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Convert ARGB to ARGB4444 with Neon

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BUG=none
TEST=none
Review URL: https://webrtc-codereview.appspot.com/875004

git-svn-id: http://libyuv.googlecode.com/svn/trunk@415 16f28f9a-4ce2-e073-06de-1de4eb20be90
This commit is contained in:
fbarchard@google.com 2012-10-13 02:51:48 +00:00
parent 179054b813
commit c389e8e3b1
6 changed files with 45 additions and 9 deletions
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2
README.chromium
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@ -1,6 +1,6 @@
Name: libyuv
URL: http://code.google.com/p/libyuv/
Version: 414
Version: 415
License: BSD
License File: LICENSE

4
include/libyuv/row.h
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@ -150,7 +150,7 @@ extern "C" {
#define HAS_YUY2TOYROW_NEON
#define HAS_I422TOYUY2ROW_NEON
#define HAS_I422TOUYVYROW_NEON
#define HAS_ARGBTOARGB4444ROW_NEON
#endif
#if defined(_MSC_VER) && !defined(__CLR_VER)
@ -328,6 +328,7 @@ void ARGBToARGB4444Row_SSE2(const uint8* src_argb, uint8* dst_rgb, int pix);
void ARGBToRGBARow_NEON(const uint8* src_argb, uint8* dst_rgb, int pix);
void ARGBToRGB24Row_NEON(const uint8* src_argb, uint8* dst_rgb, int pix);
void ARGBToRAWRow_NEON(const uint8* src_argb, uint8* dst_rgb, int pix);
void ARGBToARGB4444Row_NEON(const uint8* src_argb, uint8* dst_rgb, int pix);
void ARGBToRGBARow_C(const uint8* src_argb, uint8* dst_rgb, int pix);
void ARGBToRGB24Row_C(const uint8* src_argb, uint8* dst_rgb, int pix);
@ -583,6 +584,7 @@ void ARGBToARGB4444Row_Any_SSE2(const uint8* src_argb, uint8* dst_rgb, int pix);
void ARGBToRGB24Row_Any_NEON(const uint8* src_argb, uint8* dst_rgb, int pix);
void ARGBToRAWRow_Any_NEON(const uint8* src_argb, uint8* dst_rgb, int pix);
void ARGBToARGB4444Row_Any_NEON(const uint8* src_argb, uint8* dst_rgb, int pix);
void ARGBToYRow_Any_SSSE3(const uint8* src_argb, uint8* dst_y, int pix);
void BGRAToYRow_Any_SSSE3(const uint8* src_argb, uint8* dst_y, int pix);

2
include/libyuv/version.h
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@ -11,6 +11,6 @@
#ifndef INCLUDE_LIBYUV_VERSION_H_ // NOLINT
#define INCLUDE_LIBYUV_VERSION_H_
#define LIBYUV_VERSION 414
#define LIBYUV_VERSION 415
#endif // INCLUDE_LIBYUV_VERSION_H_ NOLINT

7
source/convert_from_argb.cc
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@ -311,6 +311,13 @@ int ARGBToARGB4444(const uint8* src_argb, int src_stride_argb,
ARGBToARGB4444Row = ARGBToARGB4444Row_SSE2;
}
}
#elif defined(HAS_ARGBTOARGB4444ROW_NEON)
if (TestCpuFlag(kCpuHasNEON) && width >= 8) {
ARGBToARGB4444Row = ARGBToARGB4444Row_Any_NEON;
if (IS_ALIGNED(width, 8)) {
ARGBToARGB4444Row = ARGBToARGB4444Row_NEON;
}
}
#endif
for (int y = 0; y < height; ++y) {

2
source/row_common.cc
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@ -1073,6 +1073,8 @@ RGBANY(ARGBToARGB4444Row_Any_SSE2, ARGBToARGB4444Row_SSE2, ARGBToARGB4444Row_C,
#if defined(HAS_ARGBTORGB24ROW_NEON)
RGBANY(ARGBToRGB24Row_Any_NEON, ARGBToRGB24Row_NEON, ARGBToRGB24Row_C, 7, 4, 3)
RGBANY(ARGBToRAWRow_Any_NEON, ARGBToRAWRow_NEON, ARGBToRAWRow_C, 7, 4, 3)
RGBANY(ARGBToARGB4444Row_Any_NEON, ARGBToARGB4444Row_NEON, ARGBToARGB4444Row_C,
7, 4, 2)
#endif
#undef RGBANY

37
source/row_neon.cc
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@ -49,15 +49,15 @@ extern "C" {
"vsub.s16 q0, q0, q15 \n"/* offset y */\
"vmul.s16 q0, q0, q14 \n" \
"vadd.s16 d18, d19 \n" \
"vqadd.s16 d20, d0, d16 \n" \
"vqadd.s16 d20, d0, d16 \n" /* B */ \
"vqadd.s16 d21, d1, d16 \n" \
"vqadd.s16 d22, d0, d17 \n" \
"vqadd.s16 d22, d0, d17 \n" /* R */ \
"vqadd.s16 d23, d1, d17 \n" \
"vqadd.s16 d16, d0, d18 \n" \
"vqadd.s16 d16, d0, d18 \n" /* G */ \
"vqadd.s16 d17, d1, d18 \n" \
"vqrshrun.s16 d0, q10, #6 \n" \
"vqrshrun.s16 d1, q11, #6 \n" \
"vqrshrun.s16 d2, q8, #6 \n" \
"vqrshrun.s16 d0, q10, #6 \n" /* B */ \
"vqrshrun.s16 d1, q11, #6 \n" /* G */ \
"vqrshrun.s16 d2, q8, #6 \n" /* R */ \
"vmovl.u8 q10, d0 \n"/* set up for reinterleave*/\
"vmovl.u8 q11, d1 \n" \
"vmovl.u8 q8, d2 \n" \
@ -908,6 +908,31 @@ void I422ToUYVYRow_NEON(const uint8* src_y,
);
}
#ifdef HAS_ARGBTOARGB4444ROW_NEON
void ARGBToARGB4444Row_NEON(const uint8* src_argb, uint8* dst_argb4444, int pix) {
asm volatile (
"vmov.u8 d4, #0x0f \n" // bits to clear with vbic.
".p2align 2 \n"
"1: \n"
"vld4.8 {d0, d1, d2, d3}, [%0]! \n" // load 8 pixels of ARGB.
"subs %2, %2, #8 \n" // 8 processed per loop.
"vshr.u8 d0, d0, #4 \n" // B
"vbic.32 d1, d1, d4 \n" // G
"vshr.u8 d2, d2, #4 \n" // R
"vbic.32 d3, d3, d4 \n" // A
"vorr d0, d0, d1 \n" // BG
"vorr d1, d2, d3 \n" // RA
"vzip.u8 d0, d1 \n" // BGRA weaved together.
"vst1.8 {q0}, [%1]! \n" // store 8 pixels ARGB4444.
"bgt 1b \n"
: "+r"(src_argb), // %0
"+r"(dst_argb4444), // %1
"+r"(pix) // %2
:
: "memory", "cc", "d0", "d1", "d2", "d3", "d4" // Clobber List
);
}
#endif // HAS_ARGBTOARGB4444ROW_NEON
#endif // __ARM_NEON__
#ifdef __cplusplus