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Commit ca410052 authored by fbarchard@google.com's avatar fbarchard@google.com
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mips version of SplitUV for nv12/21 

BUG=126
TEST=rotate_test and cpu_test updated
Review URL: https://webrtc-codereview.appspot.com/879005

git-svn-id: http://libyuv.googlecode.com/svn/trunk@416 16f28f9a-4ce2-e073-06de-1de4eb20be90
parent c389e8e3
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Showing with 270 additions and 3 deletions
include/libyuv/cpu_id.h
View file @ ca410052
...@@ -35,6 +35,11 @@ static const int kCpuHasSSE42 = 0x100; ...@@ -35,6 +35,11 @@ static const int kCpuHasSSE42 = 0x100;
static const int kCpuHasAVX = 0x200; static const int kCpuHasAVX = 0x200;
static const int kCpuHasAVX2 = 0x400; static const int kCpuHasAVX2 = 0x400;
// These flags are only valid on MIPS processors.
static const int kCpuHasMIPS = 0x1000;
static const int kCpuHasMIPS_DSP = 0x2000;
static const int kCpuHasMIPS_DSPR2 = 0x4000;
// Internal function used to auto-init. // Internal function used to auto-init.
LIBYUV_API LIBYUV_API
int InitCpuFlags(void); int InitCpuFlags(void);
......
include/libyuv/row.h
View file @ ca410052
...@@ -153,6 +153,13 @@ extern "C" { ...@@ -153,6 +153,13 @@ extern "C" {
#define HAS_ARGBTOARGB4444ROW_NEON #define HAS_ARGBTOARGB4444ROW_NEON
#endif #endif
// The following are available on Mips platforms
#if !defined(YUV_DISABLE_ASM) && defined(__mips__)
#if defined(__mips_dsp) && (__mips_dsp_rev >= 2)
#define HAS_SPLITUV_MIPS_DSPR2
#endif
#endif
#if defined(_MSC_VER) && !defined(__CLR_VER) #if defined(_MSC_VER) && !defined(__CLR_VER)
#define SIMD_ALIGNED(var) __declspec(align(16)) var #define SIMD_ALIGNED(var) __declspec(align(16)) var
typedef __declspec(align(16)) int8 vec8[16]; typedef __declspec(align(16)) int8 vec8[16];
...@@ -264,6 +271,7 @@ void ARGBMirrorRow_C(const uint8* src, uint8* dst, int width); ...@@ -264,6 +271,7 @@ void ARGBMirrorRow_C(const uint8* src, uint8* dst, int width);
void SplitUV_SSE2(const uint8* src_uv, uint8* dst_u, uint8* dst_v, int pix); void SplitUV_SSE2(const uint8* src_uv, uint8* dst_u, uint8* dst_v, int pix);
void SplitUV_NEON(const uint8* src_uv, uint8* dst_u, uint8* dst_v, int pix); void SplitUV_NEON(const uint8* src_uv, uint8* dst_u, uint8* dst_v, int pix);
void SplitUV_MIPS_DSPR2(const uint8* src_uv, uint8* dst_u, uint8* dst_v, int pix);
void SplitUV_C(const uint8* src_uv, uint8* dst_u, uint8* dst_v, int pix); void SplitUV_C(const uint8* src_uv, uint8* dst_u, uint8* dst_v, int pix);
void CopyRow_SSE2(const uint8* src, uint8* dst, int count); void CopyRow_SSE2(const uint8* src, uint8* dst, int count);
......
libyuv.gyp
View file @ ca410052
...@@ -79,6 +79,7 @@ ...@@ -79,6 +79,7 @@
'source/rotate_neon.cc', 'source/rotate_neon.cc',
'source/row_common.cc', 'source/row_common.cc',
'source/row_neon.cc', 'source/row_neon.cc',
'source/row_mips.cc',
'source/row_posix.cc', 'source/row_posix.cc',
'source/row_win.cc', 'source/row_win.cc',
'source/scale.cc', 'source/scale.cc',
......
source/convert.cc
View file @ ca410052
...@@ -379,6 +379,10 @@ static int X420ToI420(const uint8* src_y, ...@@ -379,6 +379,10 @@ static int X420ToI420(const uint8* src_y,
IS_ALIGNED(dst_v, 16) && IS_ALIGNED(dst_stride_v, 16)) { IS_ALIGNED(dst_v, 16) && IS_ALIGNED(dst_stride_v, 16)) {
SplitUV = SplitUV_SSE2; SplitUV = SplitUV_SSE2;
} }
#elif defined(HAS_SPLITUV_MIPS_DSPR2)
if (TestCpuFlag(kCpuHasMIPS) && TestCpuFlag(kCpuHasMIPS_DSPR2)){
SplitUV = SplitUV_MIPS_DSPR2;
}
#endif #endif
if (dst_y) { if (dst_y) {
......
source/cpu_id.cc
View file @ ca410052
...@@ -119,6 +119,25 @@ int ArmCpuCaps(const char* cpuinfo_name) { ...@@ -119,6 +119,25 @@ int ArmCpuCaps(const char* cpuinfo_name) {
return flags; return flags;
} }
static int MipsCpuCaps(const char *search_string) {
int flags = 0;
const char *file_name = "/proc/cpuinfo";
char cpuinfo_line[256];
FILE *f = NULL;
if ((f = fopen (file_name, "r")) != NULL) {
while (fgets (cpuinfo_line, sizeof (cpuinfo_line), f) != NULL) {
if (strstr (cpuinfo_line, search_string) != NULL) {
flags |= kCpuHasMIPS_DSP;
fclose (f);
return flags;
}
}
}
/* Did not find string in the proc file, or not Linux ELF. */
return flags;
}
// CPU detect function for SIMD instruction sets. // CPU detect function for SIMD instruction sets.
// TODO(fbarchard): Use constant if/when valgrind says cpu_info is initialized. // TODO(fbarchard): Use constant if/when valgrind says cpu_info is initialized.
LIBYUV_API LIBYUV_API
...@@ -178,9 +197,24 @@ int InitCpuFlags(void) { ...@@ -178,9 +197,24 @@ int InitCpuFlags(void) {
if (TestEnv("LIBYUV_DISABLE_AVX2")) { if (TestEnv("LIBYUV_DISABLE_AVX2")) {
cpu_info_ &= ~kCpuHasAVX2; cpu_info_ &= ~kCpuHasAVX2;
} }
if (TestEnv("LIBYUV_DISABLE_ASM")) { #elif defined (__mips__) && defined(__linux__)
cpu_info_ = 0; // linux mips parse text file for dsp detect.
cpu_info_ = MipsCpuCaps("dsp"); // set kCpuHasMIPS_DSP
#if defined(__mips_dspr2)
cpu_info_ |= kCpuHasMIPS_DSPR2;
#endif
cpu_info_ |= kCpuHasMIPS;
if (getenv("LIBYUV_DISABLE_MIPS")) {
cpu_info_ &= ~kCpuHasMIPS;
}
if (getenv("LIBYUV_DISABLE_MIPS_DSP")) {
cpu_info_ &= ~kCpuHasMIPS_DSP;
} }
if (getenv("LIBYUV_DISABLE_MIPS_DSPR2")) {
cpu_info_ &= ~kCpuHasMIPS_DSPR2;
}
#elif defined(__arm__) #elif defined(__arm__)
#if defined(__linux__) && (defined(__ARM_NEON__) || defined(LIBYUV_NEON)) #if defined(__linux__) && (defined(__ARM_NEON__) || defined(LIBYUV_NEON))
// linux arm parse text file for neon detect. // linux arm parse text file for neon detect.
...@@ -195,10 +229,10 @@ int InitCpuFlags(void) { ...@@ -195,10 +229,10 @@ int InitCpuFlags(void) {
if (TestEnv("LIBYUV_DISABLE_NEON")) { if (TestEnv("LIBYUV_DISABLE_NEON")) {
cpu_info_ &= ~kCpuHasNEON; cpu_info_ &= ~kCpuHasNEON;
} }
#endif // __arm__
if (TestEnv("LIBYUV_DISABLE_ASM")) { if (TestEnv("LIBYUV_DISABLE_ASM")) {
cpu_info_ = 0; cpu_info_ = 0;
} }
#endif // __arm__
return cpu_info_; return cpu_info_;
} }
......
source/row_mips.cc 0 → 100644
View file @ ca410052
/*
* Copyright (c) 2011 The LibYuv project authors. All Rights Reserved.
*
* Use of this source code is governed by a BSD-style license
* that can be found in the LICENSE 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.
*/
#include "libyuv/row.h"
#ifdef __cplusplus
namespace libyuv {
extern "C" {
#endif
#if !defined(YUV_DISABLE_ASM) && defined(__mips__)
#ifdef HAS_SPLITUV_MIPS_DSPR2
void SplitUV_MIPS_DSPR2(const uint8* src_uv, uint8* dst_u, uint8* dst_v, int width) {
__asm__ __volatile__(
".set push \n\t"
".set noreorder \n\t"
"srl $t4, %[width], 4 \n\t" // how many multiplies of 16 8bits
"blez $t4, 2f \n\t"
" andi %[width], %[width], 0xf \n\t" // residual
"andi $t0, %[src_uv], 0x3 \n\t"
"andi $t1, %[dst_u], 0x3 \n\t"
"andi $t2, %[dst_v], 0x3 \n\t"
"or $t0, $t0, $t1 \n\t"
"or $t0, $t0, $t2 \n\t"
"beqz $t0, 12f \n\t" // if src and dsts are aligned
" nop \n\t"
// src and dst are unaligned
"1: \n\t"
"addiu $t4, $t4, -1 \n\t"
"lwr $t0, 0(%[src_uv]) \n\t"
"lwl $t0, 3(%[src_uv]) \n\t" // t0 = V1 | U1 | V0 | U0
"lwr $t1, 4(%[src_uv]) \n\t"
"lwl $t1, 7(%[src_uv]) \n\t" // t1 = V3 | U3 | V2 | U2
"lwr $t2, 8(%[src_uv]) \n\t"
"lwl $t2, 11(%[src_uv]) \n\t" // t2 = V5 | U5 | V4 | U4
"lwr $t3, 12(%[src_uv]) \n\t"
"lwl $t3, 15(%[src_uv]) \n\t" // t3 = V7 | U7 | V6 | U6
"lwr $t5, 16(%[src_uv]) \n\t"
"lwl $t5, 19(%[src_uv]) \n\t" // t5 = V9 | U9 | V8 | U8
"lwr $t6, 20(%[src_uv]) \n\t"
"lwl $t6, 23(%[src_uv]) \n\t" // t6 = V11 | U11 | V10 | U10
"lwr $t7, 24(%[src_uv]) \n\t"
"lwl $t7, 27(%[src_uv]) \n\t" // t7 = V13 | U13 | V12 | U12
"lwr $t8, 28(%[src_uv]) \n\t"
"lwl $t8, 31(%[src_uv]) \n\t" // t8 = V15 | U15 | V14 | U14
"precrq.qb.ph $t9, $t1, $t0 \n\t" // t9 = V3 | V2 | V1 | V0
"precr.qb.ph $t0, $t1, $t0 \n\t" // t0 = U3 | U2 | U1 | U0
"precrq.qb.ph $t1, $t3, $t2 \n\t" // t1 = V7 | V6 | V5 | V4
"precr.qb.ph $t2, $t3, $t2 \n\t" // t2 = U7 | U6 | U5 | U4
"precrq.qb.ph $t3, $t6, $t5 \n\t" // t3 = V11 | V10 | V9 | V8
"precr.qb.ph $t5, $t6, $t5 \n\t" // t5 = U11 | U10 | U9 | U8
"precrq.qb.ph $t6, $t8, $t7 \n\t" // t6 = V15 | V14 | V13 | V12
"precr.qb.ph $t7, $t8, $t7 \n\t" // t7 = U15 | U14 | U13 | U12
"addiu %[src_uv], %[src_uv], 32 \n\t"
"swr $t9, 0(%[dst_v]) \n\t"
"swl $t9, 3(%[dst_v]) \n\t"
"swr $t0, 0(%[dst_u]) \n\t"
"swl $t0, 3(%[dst_u]) \n\t"
"swr $t1, 4(%[dst_v]) \n\t"
"swl $t1, 7(%[dst_v]) \n\t"
"swr $t2, 4(%[dst_u]) \n\t"
"swl $t2, 7(%[dst_u]) \n\t"
"swr $t3, 8(%[dst_v]) \n\t"
"swl $t3, 11(%[dst_v]) \n\t"
"swr $t5, 8(%[dst_u]) \n\t"
"swl $t5, 11(%[dst_u]) \n\t"
"swr $t6, 12(%[dst_v]) \n\t"
"swl $t6, 15(%[dst_v]) \n\t"
"swr $t7, 12(%[dst_u]) \n\t"
"swl $t7, 15(%[dst_u]) \n\t"
"addiu %[dst_u], %[dst_u], 16 \n\t"
"bgtz $t4, 1b \n\t"
" addiu %[dst_v], %[dst_v], 16 \n\t"
"beqz %[width], 3f \n\t"
" nop \n\t"
"b 2f \n\t"
" nop \n\t"
// src and dst are aligned
"12: \n\t"
"addiu $t4, $t4, -1 \n\t"
"lw $t0, 0(%[src_uv]) \n\t" // t0 = V1 | U1 | V0 | U0
"lw $t1, 4(%[src_uv]) \n\t" // t1 = V3 | U3 | V2 | U2
"lw $t2, 8(%[src_uv]) \n\t" // t2 = V5 | U5 | V4 | U4
"lw $t3, 12(%[src_uv]) \n\t" // t3 = V7 | U7 | V6 | U6
"lw $t5, 16(%[src_uv]) \n\t" // t5 = V9 | U9 | V8 | U8
"lw $t6, 20(%[src_uv]) \n\t" // t6 = V11 | U11 | V10 | U10
"lw $t7, 24(%[src_uv]) \n\t" // t7 = V13 | U13 | V12 | U12
"lw $t8, 28(%[src_uv]) \n\t" // t8 = V15 | U15 | V14 | U14
"addiu %[src_uv], %[src_uv], 32 \n\t"
"precrq.qb.ph $t9, $t1, $t0 \n\t" // t9 = V3 | V2 | V1 | V0
"precr.qb.ph $t0, $t1, $t0 \n\t" // t0 = U3 | U2 | U1 | U0
"precrq.qb.ph $t1, $t3, $t2 \n\t" // t1 = V7 | V6 | V5 | V4
"precr.qb.ph $t2, $t3, $t2 \n\t" // t2 = U7 | U6 | U5 | U4
"precrq.qb.ph $t3, $t6, $t5 \n\t" // t3 = V11 | V10 | V9 | V8
"precr.qb.ph $t5, $t6, $t5 \n\t" // t5 = U11 | U10 | U9 | U8
"precrq.qb.ph $t6, $t8, $t7 \n\t" // t6 = V15 | V14 | V13 | V12
"precr.qb.ph $t7, $t8, $t7 \n\t" // t7 = U15 | U14 | U13 | U12
"sw $t9, 0(%[dst_v]) \n\t"
"sw $t0, 0(%[dst_u]) \n\t"
"sw $t1, 4(%[dst_v]) \n\t"
"sw $t2, 4(%[dst_u]) \n\t"
"sw $t3, 8(%[dst_v]) \n\t"
"sw $t5, 8(%[dst_u]) \n\t"
"sw $t6, 12(%[dst_v]) \n\t"
"sw $t7, 12(%[dst_u]) \n\t"
"addiu %[dst_v], %[dst_v], 16 \n\t"
"bgtz $t4, 12b \n\t"
" addiu %[dst_u], %[dst_u], 16 \n\t"
"beqz %[width], 3f \n\t"
" nop \n\t"
"2: \n\t"
"lbu $t0, 0(%[src_uv]) \n\t"
"lbu $t1, 1(%[src_uv]) \n\t"
"addiu %[src_uv], %[src_uv], 2 \n\t"
"addiu %[width], %[width], -1 \n\t"
"sb $t0, 0(%[dst_u]) \n\t"
"sb $t1, 0(%[dst_v]) \n\t"
"addiu %[dst_u], %[dst_u], 1 \n\t"
"bgtz %[width], 2b \n\t"
" addiu %[dst_v], %[dst_v], 1 \n\t"
"3: \n\t"
".set pop \n\t"
: [src_uv] "+r" (src_uv), [width] "+r" (width),
[dst_u] "+r" (dst_u), [dst_v] "+r" (dst_v)
:
: "t0", "t1","t2", "t3", "t4", "t5", "t6", "t7", "t8", "t9"
);
}
#endif // HAS_SPLITUV_MIPS_DSPR2
#ifdef HAS_SPLITUV_MIPS_DSPR2
// Reads 16 pairs of UV and write even values to dst_u and odd to dst_v
// Alignment requirement: 16 bytes for pointers, and multiple of 16 pixels.
void SplitUV_MIPS_DSPR2(const uint8* src_uv, uint8* dst_u, uint8* dst_v, int width) {
asm volatile (
".p2align 2 \n"
"1: \n"
"vld2.u8 {q0, q1}, [%0]! \n" // load 16 pairs of UV
"subs %3, %3, #16 \n" // 16 processed per loop
"vst1.u8 {q0}, [%1]! \n" // store U
"vst1.u8 {q1}, [%2]! \n" // Store V
"bgt 1b \n"
: "+r"(src_uv), // %0
"+r"(dst_u), // %1
"+r"(dst_v), // %2
"+r"(width) // %3 // Output registers
: // Input registers
: "memory", "cc", "q0", "q1" // Clobber List
);
}
#endif // HAS_SPLITUV_MIPS_DSPR2
#ifdef HAS_SPLITUV_MIPS_DSPR2
// Reads 4 pairs of UV and write even values to dst_u and odd to dst_v
// Alignment requirement: 4 bytes for pointers, and multiple of 4 pixels.
void SplitUV_MIPS_DSPR2(const uint8* src_uv, uint8* dst_u, uint8* dst_v,
int width) {
asm volatile (
".set push \n"
".set noreorder \n"
".p2align 2 \n"
"1: \n"
"lw $t0, 0(%[src_uv]) \n" // V1 | U1 | V0 | U0
"lw $t1, 4(%[src_uv]) \n" // V3 | U3 | V2 | U2
"addiu %[width], %[width], -4 \n"
"addiu %[src_uv], %[src_uv], 8 \n"
"precr.qb.ph $t2, $t1, $t0 \n" // U3 | U2 | U1 | U0
"precrq.qb.ph $t3, $t1, $t0 \n" // V3 | V2 | V1 | V0
"sw $t2, 0(%[dst_u]) \n"
"sw $t3, 0(%[dst_v]) \n"
"addiu %[dst_u], %[dst_u], 4 \n"
"bgtz %[width], 1b \n"
" addiu %[dst_v], %[dst_v], 4 \n"
".set pop \n"
: [src_uv] "+r" (src_uv),
[width] "+r" (width),
[dst_u] "+r" (dst_u),
[dst_v] "+r" (dst_v)
:
: "t0", "t1","t2", "t3",
);
}
#endif // HAS_SPLITUV_MIPS_DSPR2
#endif // __mips__
#ifdef __cplusplus
} // extern "C"
} // namespace libyuv
#endif
unit_test/cpu_test.cc
View file @ ca410052
...@@ -39,6 +39,12 @@ TEST_F(libyuvTest, TestCpuHas) { ...@@ -39,6 +39,12 @@ TEST_F(libyuvTest, TestCpuHas) {
printf("Has AVX %x\n", has_avx); printf("Has AVX %x\n", has_avx);
int has_avx2 = TestCpuFlag(kCpuHasAVX2); int has_avx2 = TestCpuFlag(kCpuHasAVX2);
printf("Has AVX2 %x\n", has_avx2); printf("Has AVX2 %x\n", has_avx2);
int has_mips = TestCpuFlag(kCpuHasMIPS);
printf("Has MIPS %x\n", has_mips);
int has_mips_dsp = TestCpuFlag(kCpuHasMIPS_DSP);
printf("Has MIPS DSP %x\n", has_mips_dsp);
int has_mips_dspr2 = TestCpuFlag(kCpuHasMIPS_DSPR2);
printf("Has MIPS DSPR2 %x\n", has_mips_dspr2);
} }
#if defined(__i386__) || defined(__x86_64__) || \ #if defined(__i386__) || defined(__x86_64__) || \
......
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