summaryrefslogtreecommitdiff
path: root/thirdparty/libwebp/dsp/yuv_sse2.c
diff options
context:
space:
mode:
authorvolzhs <volzhs@gmail.com>2017-12-12 02:11:11 +0900
committervolzhs <volzhs@gmail.com>2017-12-12 02:55:47 +0900
commit043103fe6a1168729abf74dd56b8982ce54eea43 (patch)
treef3311c0442fba0ff565d9de0ad9fee3f0002295e /thirdparty/libwebp/dsp/yuv_sse2.c
parent64d104756c04f4d5c4e8140271d5e8049e5f8371 (diff)
Update libwebp to 0.6.1
* lossless performance and compression improvements + a new 'cruncher' mode (-m 6 -q 100) * ARM performance improvements with clang (15-20% w/ndk r15c) * webp-js: emscripten/webassembly based javascript decoder * miscellaneous bug & build fixes
Diffstat (limited to 'thirdparty/libwebp/dsp/yuv_sse2.c')
-rw-r--r--thirdparty/libwebp/dsp/yuv_sse2.c863
1 files changed, 0 insertions, 863 deletions
diff --git a/thirdparty/libwebp/dsp/yuv_sse2.c b/thirdparty/libwebp/dsp/yuv_sse2.c
deleted file mode 100644
index e33c2bbafd..0000000000
--- a/thirdparty/libwebp/dsp/yuv_sse2.c
+++ /dev/null
@@ -1,863 +0,0 @@
-// 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.
-// -----------------------------------------------------------------------------
-//
-// YUV->RGB conversion functions
-//
-// Author: Skal (pascal.massimino@gmail.com)
-
-#include "./yuv.h"
-
-#if defined(WEBP_USE_SSE2)
-
-#include "./common_sse2.h"
-#include <stdlib.h>
-#include <emmintrin.h>
-
-//-----------------------------------------------------------------------------
-// Convert spans of 32 pixels to various RGB formats for the fancy upsampler.
-
-// These constants are 14b fixed-point version of ITU-R BT.601 constants.
-// R = (19077 * y + 26149 * v - 14234) >> 6
-// G = (19077 * y - 6419 * u - 13320 * v + 8708) >> 6
-// B = (19077 * y + 33050 * u - 17685) >> 6
-static void ConvertYUV444ToRGB(const __m128i* const Y0,
- const __m128i* const U0,
- const __m128i* const V0,
- __m128i* const R,
- __m128i* const G,
- __m128i* const B) {
- const __m128i k19077 = _mm_set1_epi16(19077);
- const __m128i k26149 = _mm_set1_epi16(26149);
- const __m128i k14234 = _mm_set1_epi16(14234);
- // 33050 doesn't fit in a signed short: only use this with unsigned arithmetic
- const __m128i k33050 = _mm_set1_epi16((short)33050);
- const __m128i k17685 = _mm_set1_epi16(17685);
- const __m128i k6419 = _mm_set1_epi16(6419);
- const __m128i k13320 = _mm_set1_epi16(13320);
- const __m128i k8708 = _mm_set1_epi16(8708);
-
- const __m128i Y1 = _mm_mulhi_epu16(*Y0, k19077);
-
- const __m128i R0 = _mm_mulhi_epu16(*V0, k26149);
- const __m128i R1 = _mm_sub_epi16(Y1, k14234);
- const __m128i R2 = _mm_add_epi16(R1, R0);
-
- const __m128i G0 = _mm_mulhi_epu16(*U0, k6419);
- const __m128i G1 = _mm_mulhi_epu16(*V0, k13320);
- const __m128i G2 = _mm_add_epi16(Y1, k8708);
- const __m128i G3 = _mm_add_epi16(G0, G1);
- const __m128i G4 = _mm_sub_epi16(G2, G3);
-
- // be careful with the saturated *unsigned* arithmetic here!
- const __m128i B0 = _mm_mulhi_epu16(*U0, k33050);
- const __m128i B1 = _mm_adds_epu16(B0, Y1);
- const __m128i B2 = _mm_subs_epu16(B1, k17685);
-
- // use logical shift for B2, which can be larger than 32767
- *R = _mm_srai_epi16(R2, 6); // range: [-14234, 30815]
- *G = _mm_srai_epi16(G4, 6); // range: [-10953, 27710]
- *B = _mm_srli_epi16(B2, 6); // range: [0, 34238]
-}
-
-// Load the bytes into the *upper* part of 16b words. That's "<< 8", basically.
-static WEBP_INLINE __m128i Load_HI_16(const uint8_t* src) {
- const __m128i zero = _mm_setzero_si128();
- return _mm_unpacklo_epi8(zero, _mm_loadl_epi64((const __m128i*)src));
-}
-
-// Load and replicate the U/V samples
-static WEBP_INLINE __m128i Load_UV_HI_8(const uint8_t* src) {
- const __m128i zero = _mm_setzero_si128();
- const __m128i tmp0 = _mm_cvtsi32_si128(*(const uint32_t*)src);
- const __m128i tmp1 = _mm_unpacklo_epi8(zero, tmp0);
- return _mm_unpacklo_epi16(tmp1, tmp1); // replicate samples
-}
-
-// Convert 32 samples of YUV444 to R/G/B
-static void YUV444ToRGB(const uint8_t* const y,
- const uint8_t* const u,
- const uint8_t* const v,
- __m128i* const R, __m128i* const G, __m128i* const B) {
- const __m128i Y0 = Load_HI_16(y), U0 = Load_HI_16(u), V0 = Load_HI_16(v);
- ConvertYUV444ToRGB(&Y0, &U0, &V0, R, G, B);
-}
-
-// Convert 32 samples of YUV420 to R/G/B
-static void YUV420ToRGB(const uint8_t* const y,
- const uint8_t* const u,
- const uint8_t* const v,
- __m128i* const R, __m128i* const G, __m128i* const B) {
- const __m128i Y0 = Load_HI_16(y), U0 = Load_UV_HI_8(u), V0 = Load_UV_HI_8(v);
- ConvertYUV444ToRGB(&Y0, &U0, &V0, R, G, B);
-}
-
-// Pack R/G/B/A results into 32b output.
-static WEBP_INLINE void PackAndStore4(const __m128i* const R,
- const __m128i* const G,
- const __m128i* const B,
- const __m128i* const A,
- uint8_t* const dst) {
- const __m128i rb = _mm_packus_epi16(*R, *B);
- const __m128i ga = _mm_packus_epi16(*G, *A);
- const __m128i rg = _mm_unpacklo_epi8(rb, ga);
- const __m128i ba = _mm_unpackhi_epi8(rb, ga);
- const __m128i RGBA_lo = _mm_unpacklo_epi16(rg, ba);
- const __m128i RGBA_hi = _mm_unpackhi_epi16(rg, ba);
- _mm_storeu_si128((__m128i*)(dst + 0), RGBA_lo);
- _mm_storeu_si128((__m128i*)(dst + 16), RGBA_hi);
-}
-
-// Pack R/G/B/A results into 16b output.
-static WEBP_INLINE void PackAndStore4444(const __m128i* const R,
- const __m128i* const G,
- const __m128i* const B,
- const __m128i* const A,
- uint8_t* const dst) {
-#if !defined(WEBP_SWAP_16BIT_CSP)
- const __m128i rg0 = _mm_packus_epi16(*R, *G);
- const __m128i ba0 = _mm_packus_epi16(*B, *A);
-#else
- const __m128i rg0 = _mm_packus_epi16(*B, *A);
- const __m128i ba0 = _mm_packus_epi16(*R, *G);
-#endif
- const __m128i mask_0xf0 = _mm_set1_epi8(0xf0);
- const __m128i rb1 = _mm_unpacklo_epi8(rg0, ba0); // rbrbrbrbrb...
- const __m128i ga1 = _mm_unpackhi_epi8(rg0, ba0); // gagagagaga...
- const __m128i rb2 = _mm_and_si128(rb1, mask_0xf0);
- const __m128i ga2 = _mm_srli_epi16(_mm_and_si128(ga1, mask_0xf0), 4);
- const __m128i rgba4444 = _mm_or_si128(rb2, ga2);
- _mm_storeu_si128((__m128i*)dst, rgba4444);
-}
-
-// Pack R/G/B results into 16b output.
-static WEBP_INLINE void PackAndStore565(const __m128i* const R,
- const __m128i* const G,
- const __m128i* const B,
- uint8_t* const dst) {
- const __m128i r0 = _mm_packus_epi16(*R, *R);
- const __m128i g0 = _mm_packus_epi16(*G, *G);
- const __m128i b0 = _mm_packus_epi16(*B, *B);
- const __m128i r1 = _mm_and_si128(r0, _mm_set1_epi8(0xf8));
- const __m128i b1 = _mm_and_si128(_mm_srli_epi16(b0, 3), _mm_set1_epi8(0x1f));
- const __m128i g1 = _mm_srli_epi16(_mm_and_si128(g0, _mm_set1_epi8(0xe0)), 5);
- const __m128i g2 = _mm_slli_epi16(_mm_and_si128(g0, _mm_set1_epi8(0x1c)), 3);
- const __m128i rg = _mm_or_si128(r1, g1);
- const __m128i gb = _mm_or_si128(g2, b1);
-#if !defined(WEBP_SWAP_16BIT_CSP)
- const __m128i rgb565 = _mm_unpacklo_epi8(rg, gb);
-#else
- const __m128i rgb565 = _mm_unpacklo_epi8(gb, rg);
-#endif
- _mm_storeu_si128((__m128i*)dst, rgb565);
-}
-
-// Pack the planar buffers
-// rrrr... rrrr... gggg... gggg... bbbb... bbbb....
-// triplet by triplet in the output buffer rgb as rgbrgbrgbrgb ...
-static WEBP_INLINE void PlanarTo24b(__m128i* const in0, __m128i* const in1,
- __m128i* const in2, __m128i* const in3,
- __m128i* const in4, __m128i* const in5,
- uint8_t* const rgb) {
- // The input is 6 registers of sixteen 8b but for the sake of explanation,
- // let's take 6 registers of four 8b values.
- // To pack, we will keep taking one every two 8b integer and move it
- // around as follows:
- // Input:
- // r0r1r2r3 | r4r5r6r7 | g0g1g2g3 | g4g5g6g7 | b0b1b2b3 | b4b5b6b7
- // Split the 6 registers in two sets of 3 registers: the first set as the even
- // 8b bytes, the second the odd ones:
- // r0r2r4r6 | g0g2g4g6 | b0b2b4b6 | r1r3r5r7 | g1g3g5g7 | b1b3b5b7
- // Repeat the same permutations twice more:
- // r0r4g0g4 | b0b4r1r5 | g1g5b1b5 | r2r6g2g6 | b2b6r3r7 | g3g7b3b7
- // r0g0b0r1 | g1b1r2g2 | b2r3g3b3 | r4g4b4r5 | g5b5r6g6 | b6r7g7b7
- VP8PlanarTo24b(in0, in1, in2, in3, in4, in5);
-
- _mm_storeu_si128((__m128i*)(rgb + 0), *in0);
- _mm_storeu_si128((__m128i*)(rgb + 16), *in1);
- _mm_storeu_si128((__m128i*)(rgb + 32), *in2);
- _mm_storeu_si128((__m128i*)(rgb + 48), *in3);
- _mm_storeu_si128((__m128i*)(rgb + 64), *in4);
- _mm_storeu_si128((__m128i*)(rgb + 80), *in5);
-}
-
-void VP8YuvToRgba32(const uint8_t* y, const uint8_t* u, const uint8_t* v,
- uint8_t* dst) {
- const __m128i kAlpha = _mm_set1_epi16(255);
- int n;
- for (n = 0; n < 32; n += 8, dst += 32) {
- __m128i R, G, B;
- YUV444ToRGB(y + n, u + n, v + n, &R, &G, &B);
- PackAndStore4(&R, &G, &B, &kAlpha, dst);
- }
-}
-
-void VP8YuvToBgra32(const uint8_t* y, const uint8_t* u, const uint8_t* v,
- uint8_t* dst) {
- const __m128i kAlpha = _mm_set1_epi16(255);
- int n;
- for (n = 0; n < 32; n += 8, dst += 32) {
- __m128i R, G, B;
- YUV444ToRGB(y + n, u + n, v + n, &R, &G, &B);
- PackAndStore4(&B, &G, &R, &kAlpha, dst);
- }
-}
-
-void VP8YuvToArgb32(const uint8_t* y, const uint8_t* u, const uint8_t* v,
- uint8_t* dst) {
- const __m128i kAlpha = _mm_set1_epi16(255);
- int n;
- for (n = 0; n < 32; n += 8, dst += 32) {
- __m128i R, G, B;
- YUV444ToRGB(y + n, u + n, v + n, &R, &G, &B);
- PackAndStore4(&kAlpha, &R, &G, &B, dst);
- }
-}
-
-void VP8YuvToRgba444432(const uint8_t* y, const uint8_t* u, const uint8_t* v,
- uint8_t* dst) {
- const __m128i kAlpha = _mm_set1_epi16(255);
- int n;
- for (n = 0; n < 32; n += 8, dst += 16) {
- __m128i R, G, B;
- YUV444ToRGB(y + n, u + n, v + n, &R, &G, &B);
- PackAndStore4444(&R, &G, &B, &kAlpha, dst);
- }
-}
-
-void VP8YuvToRgb56532(const uint8_t* y, const uint8_t* u, const uint8_t* v,
- uint8_t* dst) {
- int n;
- for (n = 0; n < 32; n += 8, dst += 16) {
- __m128i R, G, B;
- YUV444ToRGB(y + n, u + n, v + n, &R, &G, &B);
- PackAndStore565(&R, &G, &B, dst);
- }
-}
-
-void VP8YuvToRgb32(const uint8_t* y, const uint8_t* u, const uint8_t* v,
- uint8_t* dst) {
- __m128i R0, R1, R2, R3, G0, G1, G2, G3, B0, B1, B2, B3;
- __m128i rgb0, rgb1, rgb2, rgb3, rgb4, rgb5;
-
- YUV444ToRGB(y + 0, u + 0, v + 0, &R0, &G0, &B0);
- YUV444ToRGB(y + 8, u + 8, v + 8, &R1, &G1, &B1);
- YUV444ToRGB(y + 16, u + 16, v + 16, &R2, &G2, &B2);
- YUV444ToRGB(y + 24, u + 24, v + 24, &R3, &G3, &B3);
-
- // Cast to 8b and store as RRRRGGGGBBBB.
- rgb0 = _mm_packus_epi16(R0, R1);
- rgb1 = _mm_packus_epi16(R2, R3);
- rgb2 = _mm_packus_epi16(G0, G1);
- rgb3 = _mm_packus_epi16(G2, G3);
- rgb4 = _mm_packus_epi16(B0, B1);
- rgb5 = _mm_packus_epi16(B2, B3);
-
- // Pack as RGBRGBRGBRGB.
- PlanarTo24b(&rgb0, &rgb1, &rgb2, &rgb3, &rgb4, &rgb5, dst);
-}
-
-void VP8YuvToBgr32(const uint8_t* y, const uint8_t* u, const uint8_t* v,
- uint8_t* dst) {
- __m128i R0, R1, R2, R3, G0, G1, G2, G3, B0, B1, B2, B3;
- __m128i bgr0, bgr1, bgr2, bgr3, bgr4, bgr5;
-
- YUV444ToRGB(y + 0, u + 0, v + 0, &R0, &G0, &B0);
- YUV444ToRGB(y + 8, u + 8, v + 8, &R1, &G1, &B1);
- YUV444ToRGB(y + 16, u + 16, v + 16, &R2, &G2, &B2);
- YUV444ToRGB(y + 24, u + 24, v + 24, &R3, &G3, &B3);
-
- // Cast to 8b and store as BBBBGGGGRRRR.
- bgr0 = _mm_packus_epi16(B0, B1);
- bgr1 = _mm_packus_epi16(B2, B3);
- bgr2 = _mm_packus_epi16(G0, G1);
- bgr3 = _mm_packus_epi16(G2, G3);
- bgr4 = _mm_packus_epi16(R0, R1);
- bgr5= _mm_packus_epi16(R2, R3);
-
- // Pack as BGRBGRBGRBGR.
- PlanarTo24b(&bgr0, &bgr1, &bgr2, &bgr3, &bgr4, &bgr5, dst);
-}
-
-//-----------------------------------------------------------------------------
-// Arbitrary-length row conversion functions
-
-static void YuvToRgbaRow(const uint8_t* y, const uint8_t* u, const uint8_t* v,
- uint8_t* dst, int len) {
- const __m128i kAlpha = _mm_set1_epi16(255);
- int n;
- for (n = 0; n + 8 <= len; n += 8, dst += 32) {
- __m128i R, G, B;
- YUV420ToRGB(y, u, v, &R, &G, &B);
- PackAndStore4(&R, &G, &B, &kAlpha, dst);
- y += 8;
- u += 4;
- v += 4;
- }
- for (; n < len; ++n) { // Finish off
- VP8YuvToRgba(y[0], u[0], v[0], dst);
- dst += 4;
- y += 1;
- u += (n & 1);
- v += (n & 1);
- }
-}
-
-static void YuvToBgraRow(const uint8_t* y, const uint8_t* u, const uint8_t* v,
- uint8_t* dst, int len) {
- const __m128i kAlpha = _mm_set1_epi16(255);
- int n;
- for (n = 0; n + 8 <= len; n += 8, dst += 32) {
- __m128i R, G, B;
- YUV420ToRGB(y, u, v, &R, &G, &B);
- PackAndStore4(&B, &G, &R, &kAlpha, dst);
- y += 8;
- u += 4;
- v += 4;
- }
- for (; n < len; ++n) { // Finish off
- VP8YuvToBgra(y[0], u[0], v[0], dst);
- dst += 4;
- y += 1;
- u += (n & 1);
- v += (n & 1);
- }
-}
-
-static void YuvToArgbRow(const uint8_t* y, const uint8_t* u, const uint8_t* v,
- uint8_t* dst, int len) {
- const __m128i kAlpha = _mm_set1_epi16(255);
- int n;
- for (n = 0; n + 8 <= len; n += 8, dst += 32) {
- __m128i R, G, B;
- YUV420ToRGB(y, u, v, &R, &G, &B);
- PackAndStore4(&kAlpha, &R, &G, &B, dst);
- y += 8;
- u += 4;
- v += 4;
- }
- for (; n < len; ++n) { // Finish off
- VP8YuvToArgb(y[0], u[0], v[0], dst);
- dst += 4;
- y += 1;
- u += (n & 1);
- v += (n & 1);
- }
-}
-
-static void YuvToRgbRow(const uint8_t* y, const uint8_t* u, const uint8_t* v,
- uint8_t* dst, int len) {
- int n;
- for (n = 0; n + 32 <= len; n += 32, dst += 32 * 3) {
- __m128i R0, R1, R2, R3, G0, G1, G2, G3, B0, B1, B2, B3;
- __m128i rgb0, rgb1, rgb2, rgb3, rgb4, rgb5;
-
- YUV420ToRGB(y + 0, u + 0, v + 0, &R0, &G0, &B0);
- YUV420ToRGB(y + 8, u + 4, v + 4, &R1, &G1, &B1);
- YUV420ToRGB(y + 16, u + 8, v + 8, &R2, &G2, &B2);
- YUV420ToRGB(y + 24, u + 12, v + 12, &R3, &G3, &B3);
-
- // Cast to 8b and store as RRRRGGGGBBBB.
- rgb0 = _mm_packus_epi16(R0, R1);
- rgb1 = _mm_packus_epi16(R2, R3);
- rgb2 = _mm_packus_epi16(G0, G1);
- rgb3 = _mm_packus_epi16(G2, G3);
- rgb4 = _mm_packus_epi16(B0, B1);
- rgb5 = _mm_packus_epi16(B2, B3);
-
- // Pack as RGBRGBRGBRGB.
- PlanarTo24b(&rgb0, &rgb1, &rgb2, &rgb3, &rgb4, &rgb5, dst);
-
- y += 32;
- u += 16;
- v += 16;
- }
- for (; n < len; ++n) { // Finish off
- VP8YuvToRgb(y[0], u[0], v[0], dst);
- dst += 3;
- y += 1;
- u += (n & 1);
- v += (n & 1);
- }
-}
-
-static void YuvToBgrRow(const uint8_t* y, const uint8_t* u, const uint8_t* v,
- uint8_t* dst, int len) {
- int n;
- for (n = 0; n + 32 <= len; n += 32, dst += 32 * 3) {
- __m128i R0, R1, R2, R3, G0, G1, G2, G3, B0, B1, B2, B3;
- __m128i bgr0, bgr1, bgr2, bgr3, bgr4, bgr5;
-
- YUV420ToRGB(y + 0, u + 0, v + 0, &R0, &G0, &B0);
- YUV420ToRGB(y + 8, u + 4, v + 4, &R1, &G1, &B1);
- YUV420ToRGB(y + 16, u + 8, v + 8, &R2, &G2, &B2);
- YUV420ToRGB(y + 24, u + 12, v + 12, &R3, &G3, &B3);
-
- // Cast to 8b and store as BBBBGGGGRRRR.
- bgr0 = _mm_packus_epi16(B0, B1);
- bgr1 = _mm_packus_epi16(B2, B3);
- bgr2 = _mm_packus_epi16(G0, G1);
- bgr3 = _mm_packus_epi16(G2, G3);
- bgr4 = _mm_packus_epi16(R0, R1);
- bgr5 = _mm_packus_epi16(R2, R3);
-
- // Pack as BGRBGRBGRBGR.
- PlanarTo24b(&bgr0, &bgr1, &bgr2, &bgr3, &bgr4, &bgr5, dst);
-
- y += 32;
- u += 16;
- v += 16;
- }
- for (; n < len; ++n) { // Finish off
- VP8YuvToBgr(y[0], u[0], v[0], dst);
- dst += 3;
- y += 1;
- u += (n & 1);
- v += (n & 1);
- }
-}
-
-//------------------------------------------------------------------------------
-// Entry point
-
-extern void WebPInitSamplersSSE2(void);
-
-WEBP_TSAN_IGNORE_FUNCTION void WebPInitSamplersSSE2(void) {
- WebPSamplers[MODE_RGB] = YuvToRgbRow;
- WebPSamplers[MODE_RGBA] = YuvToRgbaRow;
- WebPSamplers[MODE_BGR] = YuvToBgrRow;
- WebPSamplers[MODE_BGRA] = YuvToBgraRow;
- WebPSamplers[MODE_ARGB] = YuvToArgbRow;
-}
-
-//------------------------------------------------------------------------------
-// RGB24/32 -> YUV converters
-
-// Load eight 16b-words from *src.
-#define LOAD_16(src) _mm_loadu_si128((const __m128i*)(src))
-// Store either 16b-words into *dst
-#define STORE_16(V, dst) _mm_storeu_si128((__m128i*)(dst), (V))
-
-// Function that inserts a value of the second half of the in buffer in between
-// every two char of the first half.
-static WEBP_INLINE void RGB24PackedToPlanarHelper(
- const __m128i* const in /*in[6]*/, __m128i* const out /*out[6]*/) {
- out[0] = _mm_unpacklo_epi8(in[0], in[3]);
- out[1] = _mm_unpackhi_epi8(in[0], in[3]);
- out[2] = _mm_unpacklo_epi8(in[1], in[4]);
- out[3] = _mm_unpackhi_epi8(in[1], in[4]);
- out[4] = _mm_unpacklo_epi8(in[2], in[5]);
- out[5] = _mm_unpackhi_epi8(in[2], in[5]);
-}
-
-// Unpack the 8b input rgbrgbrgbrgb ... as contiguous registers:
-// rrrr... rrrr... gggg... gggg... bbbb... bbbb....
-// Similar to PlanarTo24bHelper(), but in reverse order.
-static WEBP_INLINE void RGB24PackedToPlanar(const uint8_t* const rgb,
- __m128i* const out /*out[6]*/) {
- __m128i tmp[6];
- tmp[0] = _mm_loadu_si128((const __m128i*)(rgb + 0));
- tmp[1] = _mm_loadu_si128((const __m128i*)(rgb + 16));
- tmp[2] = _mm_loadu_si128((const __m128i*)(rgb + 32));
- tmp[3] = _mm_loadu_si128((const __m128i*)(rgb + 48));
- tmp[4] = _mm_loadu_si128((const __m128i*)(rgb + 64));
- tmp[5] = _mm_loadu_si128((const __m128i*)(rgb + 80));
-
- RGB24PackedToPlanarHelper(tmp, out);
- RGB24PackedToPlanarHelper(out, tmp);
- RGB24PackedToPlanarHelper(tmp, out);
- RGB24PackedToPlanarHelper(out, tmp);
- RGB24PackedToPlanarHelper(tmp, out);
-}
-
-// Convert 8 packed ARGB to r[], g[], b[]
-static WEBP_INLINE void RGB32PackedToPlanar(const uint32_t* const argb,
- __m128i* const rgb /*in[6]*/) {
- const __m128i zero = _mm_setzero_si128();
- __m128i a0 = LOAD_16(argb + 0);
- __m128i a1 = LOAD_16(argb + 4);
- __m128i a2 = LOAD_16(argb + 8);
- __m128i a3 = LOAD_16(argb + 12);
- VP8L32bToPlanar(&a0, &a1, &a2, &a3);
- rgb[0] = _mm_unpacklo_epi8(a1, zero);
- rgb[1] = _mm_unpackhi_epi8(a1, zero);
- rgb[2] = _mm_unpacklo_epi8(a2, zero);
- rgb[3] = _mm_unpackhi_epi8(a2, zero);
- rgb[4] = _mm_unpacklo_epi8(a3, zero);
- rgb[5] = _mm_unpackhi_epi8(a3, zero);
-}
-
-// This macro computes (RG * MULT_RG + GB * MULT_GB + ROUNDER) >> DESCALE_FIX
-// It's a macro and not a function because we need to use immediate values with
-// srai_epi32, e.g.
-#define TRANSFORM(RG_LO, RG_HI, GB_LO, GB_HI, MULT_RG, MULT_GB, \
- ROUNDER, DESCALE_FIX, OUT) do { \
- const __m128i V0_lo = _mm_madd_epi16(RG_LO, MULT_RG); \
- const __m128i V0_hi = _mm_madd_epi16(RG_HI, MULT_RG); \
- const __m128i V1_lo = _mm_madd_epi16(GB_LO, MULT_GB); \
- const __m128i V1_hi = _mm_madd_epi16(GB_HI, MULT_GB); \
- const __m128i V2_lo = _mm_add_epi32(V0_lo, V1_lo); \
- const __m128i V2_hi = _mm_add_epi32(V0_hi, V1_hi); \
- const __m128i V3_lo = _mm_add_epi32(V2_lo, ROUNDER); \
- const __m128i V3_hi = _mm_add_epi32(V2_hi, ROUNDER); \
- const __m128i V5_lo = _mm_srai_epi32(V3_lo, DESCALE_FIX); \
- const __m128i V5_hi = _mm_srai_epi32(V3_hi, DESCALE_FIX); \
- (OUT) = _mm_packs_epi32(V5_lo, V5_hi); \
-} while (0)
-
-#define MK_CST_16(A, B) _mm_set_epi16((B), (A), (B), (A), (B), (A), (B), (A))
-static WEBP_INLINE void ConvertRGBToY(const __m128i* const R,
- const __m128i* const G,
- const __m128i* const B,
- __m128i* const Y) {
- const __m128i kRG_y = MK_CST_16(16839, 33059 - 16384);
- const __m128i kGB_y = MK_CST_16(16384, 6420);
- const __m128i kHALF_Y = _mm_set1_epi32((16 << YUV_FIX) + YUV_HALF);
-
- const __m128i RG_lo = _mm_unpacklo_epi16(*R, *G);
- const __m128i RG_hi = _mm_unpackhi_epi16(*R, *G);
- const __m128i GB_lo = _mm_unpacklo_epi16(*G, *B);
- const __m128i GB_hi = _mm_unpackhi_epi16(*G, *B);
- TRANSFORM(RG_lo, RG_hi, GB_lo, GB_hi, kRG_y, kGB_y, kHALF_Y, YUV_FIX, *Y);
-}
-
-static WEBP_INLINE void ConvertRGBToUV(const __m128i* const R,
- const __m128i* const G,
- const __m128i* const B,
- __m128i* const U, __m128i* const V) {
- const __m128i kRG_u = MK_CST_16(-9719, -19081);
- const __m128i kGB_u = MK_CST_16(0, 28800);
- const __m128i kRG_v = MK_CST_16(28800, 0);
- const __m128i kGB_v = MK_CST_16(-24116, -4684);
- const __m128i kHALF_UV = _mm_set1_epi32(((128 << YUV_FIX) + YUV_HALF) << 2);
-
- const __m128i RG_lo = _mm_unpacklo_epi16(*R, *G);
- const __m128i RG_hi = _mm_unpackhi_epi16(*R, *G);
- const __m128i GB_lo = _mm_unpacklo_epi16(*G, *B);
- const __m128i GB_hi = _mm_unpackhi_epi16(*G, *B);
- TRANSFORM(RG_lo, RG_hi, GB_lo, GB_hi, kRG_u, kGB_u,
- kHALF_UV, YUV_FIX + 2, *U);
- TRANSFORM(RG_lo, RG_hi, GB_lo, GB_hi, kRG_v, kGB_v,
- kHALF_UV, YUV_FIX + 2, *V);
-}
-
-#undef MK_CST_16
-#undef TRANSFORM
-
-static void ConvertRGB24ToY(const uint8_t* rgb, uint8_t* y, int width) {
- const int max_width = width & ~31;
- int i;
- for (i = 0; i < max_width; rgb += 3 * 16 * 2) {
- __m128i rgb_plane[6];
- int j;
-
- RGB24PackedToPlanar(rgb, rgb_plane);
-
- for (j = 0; j < 2; ++j, i += 16) {
- const __m128i zero = _mm_setzero_si128();
- __m128i r, g, b, Y0, Y1;
-
- // Convert to 16-bit Y.
- r = _mm_unpacklo_epi8(rgb_plane[0 + j], zero);
- g = _mm_unpacklo_epi8(rgb_plane[2 + j], zero);
- b = _mm_unpacklo_epi8(rgb_plane[4 + j], zero);
- ConvertRGBToY(&r, &g, &b, &Y0);
-
- // Convert to 16-bit Y.
- r = _mm_unpackhi_epi8(rgb_plane[0 + j], zero);
- g = _mm_unpackhi_epi8(rgb_plane[2 + j], zero);
- b = _mm_unpackhi_epi8(rgb_plane[4 + j], zero);
- ConvertRGBToY(&r, &g, &b, &Y1);
-
- // Cast to 8-bit and store.
- STORE_16(_mm_packus_epi16(Y0, Y1), y + i);
- }
- }
- for (; i < width; ++i, rgb += 3) { // left-over
- y[i] = VP8RGBToY(rgb[0], rgb[1], rgb[2], YUV_HALF);
- }
-}
-
-static void ConvertBGR24ToY(const uint8_t* bgr, uint8_t* y, int width) {
- const int max_width = width & ~31;
- int i;
- for (i = 0; i < max_width; bgr += 3 * 16 * 2) {
- __m128i bgr_plane[6];
- int j;
-
- RGB24PackedToPlanar(bgr, bgr_plane);
-
- for (j = 0; j < 2; ++j, i += 16) {
- const __m128i zero = _mm_setzero_si128();
- __m128i r, g, b, Y0, Y1;
-
- // Convert to 16-bit Y.
- b = _mm_unpacklo_epi8(bgr_plane[0 + j], zero);
- g = _mm_unpacklo_epi8(bgr_plane[2 + j], zero);
- r = _mm_unpacklo_epi8(bgr_plane[4 + j], zero);
- ConvertRGBToY(&r, &g, &b, &Y0);
-
- // Convert to 16-bit Y.
- b = _mm_unpackhi_epi8(bgr_plane[0 + j], zero);
- g = _mm_unpackhi_epi8(bgr_plane[2 + j], zero);
- r = _mm_unpackhi_epi8(bgr_plane[4 + j], zero);
- ConvertRGBToY(&r, &g, &b, &Y1);
-
- // Cast to 8-bit and store.
- STORE_16(_mm_packus_epi16(Y0, Y1), y + i);
- }
- }
- for (; i < width; ++i, bgr += 3) { // left-over
- y[i] = VP8RGBToY(bgr[2], bgr[1], bgr[0], YUV_HALF);
- }
-}
-
-static void ConvertARGBToY(const uint32_t* argb, uint8_t* y, int width) {
- const int max_width = width & ~15;
- int i;
- for (i = 0; i < max_width; i += 16) {
- __m128i Y0, Y1, rgb[6];
- RGB32PackedToPlanar(&argb[i], rgb);
- ConvertRGBToY(&rgb[0], &rgb[2], &rgb[4], &Y0);
- ConvertRGBToY(&rgb[1], &rgb[3], &rgb[5], &Y1);
- STORE_16(_mm_packus_epi16(Y0, Y1), y + i);
- }
- for (; i < width; ++i) { // left-over
- const uint32_t p = argb[i];
- y[i] = VP8RGBToY((p >> 16) & 0xff, (p >> 8) & 0xff, (p >> 0) & 0xff,
- YUV_HALF);
- }
-}
-
-// Horizontal add (doubled) of two 16b values, result is 16b.
-// in: A | B | C | D | ... -> out: 2*(A+B) | 2*(C+D) | ...
-static void HorizontalAddPack(const __m128i* const A, const __m128i* const B,
- __m128i* const out) {
- const __m128i k2 = _mm_set1_epi16(2);
- const __m128i C = _mm_madd_epi16(*A, k2);
- const __m128i D = _mm_madd_epi16(*B, k2);
- *out = _mm_packs_epi32(C, D);
-}
-
-static void ConvertARGBToUV(const uint32_t* argb, uint8_t* u, uint8_t* v,
- int src_width, int do_store) {
- const int max_width = src_width & ~31;
- int i;
- for (i = 0; i < max_width; i += 32, u += 16, v += 16) {
- __m128i rgb[6], U0, V0, U1, V1;
- RGB32PackedToPlanar(&argb[i], rgb);
- HorizontalAddPack(&rgb[0], &rgb[1], &rgb[0]);
- HorizontalAddPack(&rgb[2], &rgb[3], &rgb[2]);
- HorizontalAddPack(&rgb[4], &rgb[5], &rgb[4]);
- ConvertRGBToUV(&rgb[0], &rgb[2], &rgb[4], &U0, &V0);
-
- RGB32PackedToPlanar(&argb[i + 16], rgb);
- HorizontalAddPack(&rgb[0], &rgb[1], &rgb[0]);
- HorizontalAddPack(&rgb[2], &rgb[3], &rgb[2]);
- HorizontalAddPack(&rgb[4], &rgb[5], &rgb[4]);
- ConvertRGBToUV(&rgb[0], &rgb[2], &rgb[4], &U1, &V1);
-
- U0 = _mm_packus_epi16(U0, U1);
- V0 = _mm_packus_epi16(V0, V1);
- if (!do_store) {
- const __m128i prev_u = LOAD_16(u);
- const __m128i prev_v = LOAD_16(v);
- U0 = _mm_avg_epu8(U0, prev_u);
- V0 = _mm_avg_epu8(V0, prev_v);
- }
- STORE_16(U0, u);
- STORE_16(V0, v);
- }
- if (i < src_width) { // left-over
- WebPConvertARGBToUV_C(argb + i, u, v, src_width - i, do_store);
- }
-}
-
-// Convert 16 packed ARGB 16b-values to r[], g[], b[]
-static WEBP_INLINE void RGBA32PackedToPlanar_16b(const uint16_t* const rgbx,
- __m128i* const r,
- __m128i* const g,
- __m128i* const b) {
- const __m128i in0 = LOAD_16(rgbx + 0); // r0 | g0 | b0 |x| r1 | g1 | b1 |x
- const __m128i in1 = LOAD_16(rgbx + 8); // r2 | g2 | b2 |x| r3 | g3 | b3 |x
- const __m128i in2 = LOAD_16(rgbx + 16); // r4 | ...
- const __m128i in3 = LOAD_16(rgbx + 24); // r6 | ...
- // column-wise transpose
- const __m128i A0 = _mm_unpacklo_epi16(in0, in1);
- const __m128i A1 = _mm_unpackhi_epi16(in0, in1);
- const __m128i A2 = _mm_unpacklo_epi16(in2, in3);
- const __m128i A3 = _mm_unpackhi_epi16(in2, in3);
- const __m128i B0 = _mm_unpacklo_epi16(A0, A1); // r0 r1 r2 r3 | g0 g1 ..
- const __m128i B1 = _mm_unpackhi_epi16(A0, A1); // b0 b1 b2 b3 | x x x x
- const __m128i B2 = _mm_unpacklo_epi16(A2, A3); // r4 r5 r6 r7 | g4 g5 ..
- const __m128i B3 = _mm_unpackhi_epi16(A2, A3); // b4 b5 b6 b7 | x x x x
- *r = _mm_unpacklo_epi64(B0, B2);
- *g = _mm_unpackhi_epi64(B0, B2);
- *b = _mm_unpacklo_epi64(B1, B3);
-}
-
-static void ConvertRGBA32ToUV(const uint16_t* rgb,
- uint8_t* u, uint8_t* v, int width) {
- const int max_width = width & ~15;
- const uint16_t* const last_rgb = rgb + 4 * max_width;
- while (rgb < last_rgb) {
- __m128i r, g, b, U0, V0, U1, V1;
- RGBA32PackedToPlanar_16b(rgb + 0, &r, &g, &b);
- ConvertRGBToUV(&r, &g, &b, &U0, &V0);
- RGBA32PackedToPlanar_16b(rgb + 32, &r, &g, &b);
- ConvertRGBToUV(&r, &g, &b, &U1, &V1);
- STORE_16(_mm_packus_epi16(U0, U1), u);
- STORE_16(_mm_packus_epi16(V0, V1), v);
- u += 16;
- v += 16;
- rgb += 2 * 32;
- }
- if (max_width < width) { // left-over
- WebPConvertRGBA32ToUV_C(rgb, u, v, width - max_width);
- }
-}
-
-//------------------------------------------------------------------------------
-
-extern void WebPInitConvertARGBToYUVSSE2(void);
-
-WEBP_TSAN_IGNORE_FUNCTION void WebPInitConvertARGBToYUVSSE2(void) {
- WebPConvertARGBToY = ConvertARGBToY;
- WebPConvertARGBToUV = ConvertARGBToUV;
-
- WebPConvertRGB24ToY = ConvertRGB24ToY;
- WebPConvertBGR24ToY = ConvertBGR24ToY;
-
- WebPConvertRGBA32ToUV = ConvertRGBA32ToUV;
-}
-
-//------------------------------------------------------------------------------
-
-#define MAX_Y ((1 << 10) - 1) // 10b precision over 16b-arithmetic
-static uint16_t clip_y(int v) {
- return (v < 0) ? 0 : (v > MAX_Y) ? MAX_Y : (uint16_t)v;
-}
-
-static uint64_t SharpYUVUpdateY_SSE2(const uint16_t* ref, const uint16_t* src,
- uint16_t* dst, int len) {
- uint64_t diff = 0;
- uint32_t tmp[4];
- int i;
- const __m128i zero = _mm_setzero_si128();
- const __m128i max = _mm_set1_epi16(MAX_Y);
- const __m128i one = _mm_set1_epi16(1);
- __m128i sum = zero;
-
- for (i = 0; i + 8 <= len; i += 8) {
- const __m128i A = _mm_loadu_si128((const __m128i*)(ref + i));
- const __m128i B = _mm_loadu_si128((const __m128i*)(src + i));
- const __m128i C = _mm_loadu_si128((const __m128i*)(dst + i));
- const __m128i D = _mm_sub_epi16(A, B); // diff_y
- const __m128i E = _mm_cmpgt_epi16(zero, D); // sign (-1 or 0)
- const __m128i F = _mm_add_epi16(C, D); // new_y
- const __m128i G = _mm_or_si128(E, one); // -1 or 1
- const __m128i H = _mm_max_epi16(_mm_min_epi16(F, max), zero);
- const __m128i I = _mm_madd_epi16(D, G); // sum(abs(...))
- _mm_storeu_si128((__m128i*)(dst + i), H);
- sum = _mm_add_epi32(sum, I);
- }
- _mm_storeu_si128((__m128i*)tmp, sum);
- diff = tmp[3] + tmp[2] + tmp[1] + tmp[0];
- for (; i < len; ++i) {
- const int diff_y = ref[i] - src[i];
- const int new_y = (int)dst[i] + diff_y;
- dst[i] = clip_y(new_y);
- diff += (uint64_t)abs(diff_y);
- }
- return diff;
-}
-
-static void SharpYUVUpdateRGB_SSE2(const int16_t* ref, const int16_t* src,
- int16_t* dst, int len) {
- int i = 0;
- for (i = 0; i + 8 <= len; i += 8) {
- const __m128i A = _mm_loadu_si128((const __m128i*)(ref + i));
- const __m128i B = _mm_loadu_si128((const __m128i*)(src + i));
- const __m128i C = _mm_loadu_si128((const __m128i*)(dst + i));
- const __m128i D = _mm_sub_epi16(A, B); // diff_uv
- const __m128i E = _mm_add_epi16(C, D); // new_uv
- _mm_storeu_si128((__m128i*)(dst + i), E);
- }
- for (; i < len; ++i) {
- const int diff_uv = ref[i] - src[i];
- dst[i] += diff_uv;
- }
-}
-
-static void SharpYUVFilterRow_SSE2(const int16_t* A, const int16_t* B, int len,
- const uint16_t* best_y, uint16_t* out) {
- int i;
- const __m128i kCst8 = _mm_set1_epi16(8);
- const __m128i max = _mm_set1_epi16(MAX_Y);
- const __m128i zero = _mm_setzero_si128();
- for (i = 0; i + 8 <= len; i += 8) {
- const __m128i a0 = _mm_loadu_si128((const __m128i*)(A + i + 0));
- const __m128i a1 = _mm_loadu_si128((const __m128i*)(A + i + 1));
- const __m128i b0 = _mm_loadu_si128((const __m128i*)(B + i + 0));
- const __m128i b1 = _mm_loadu_si128((const __m128i*)(B + i + 1));
- const __m128i a0b1 = _mm_add_epi16(a0, b1);
- const __m128i a1b0 = _mm_add_epi16(a1, b0);
- const __m128i a0a1b0b1 = _mm_add_epi16(a0b1, a1b0); // A0+A1+B0+B1
- const __m128i a0a1b0b1_8 = _mm_add_epi16(a0a1b0b1, kCst8);
- const __m128i a0b1_2 = _mm_add_epi16(a0b1, a0b1); // 2*(A0+B1)
- const __m128i a1b0_2 = _mm_add_epi16(a1b0, a1b0); // 2*(A1+B0)
- const __m128i c0 = _mm_srai_epi16(_mm_add_epi16(a0b1_2, a0a1b0b1_8), 3);
- const __m128i c1 = _mm_srai_epi16(_mm_add_epi16(a1b0_2, a0a1b0b1_8), 3);
- const __m128i d0 = _mm_add_epi16(c1, a0);
- const __m128i d1 = _mm_add_epi16(c0, a1);
- const __m128i e0 = _mm_srai_epi16(d0, 1);
- const __m128i e1 = _mm_srai_epi16(d1, 1);
- const __m128i f0 = _mm_unpacklo_epi16(e0, e1);
- const __m128i f1 = _mm_unpackhi_epi16(e0, e1);
- const __m128i g0 = _mm_loadu_si128((const __m128i*)(best_y + 2 * i + 0));
- const __m128i g1 = _mm_loadu_si128((const __m128i*)(best_y + 2 * i + 8));
- const __m128i h0 = _mm_add_epi16(g0, f0);
- const __m128i h1 = _mm_add_epi16(g1, f1);
- const __m128i i0 = _mm_max_epi16(_mm_min_epi16(h0, max), zero);
- const __m128i i1 = _mm_max_epi16(_mm_min_epi16(h1, max), zero);
- _mm_storeu_si128((__m128i*)(out + 2 * i + 0), i0);
- _mm_storeu_si128((__m128i*)(out + 2 * i + 8), i1);
- }
- for (; i < len; ++i) {
- // (9 * A0 + 3 * A1 + 3 * B0 + B1 + 8) >> 4 =
- // = (8 * A0 + 2 * (A1 + B0) + (A0 + A1 + B0 + B1 + 8)) >> 4
- // We reuse the common sub-expressions.
- const int a0b1 = A[i + 0] + B[i + 1];
- const int a1b0 = A[i + 1] + B[i + 0];
- const int a0a1b0b1 = a0b1 + a1b0 + 8;
- const int v0 = (8 * A[i + 0] + 2 * a1b0 + a0a1b0b1) >> 4;
- const int v1 = (8 * A[i + 1] + 2 * a0b1 + a0a1b0b1) >> 4;
- out[2 * i + 0] = clip_y(best_y[2 * i + 0] + v0);
- out[2 * i + 1] = clip_y(best_y[2 * i + 1] + v1);
- }
-}
-
-#undef MAX_Y
-
-//------------------------------------------------------------------------------
-
-extern void WebPInitSharpYUVSSE2(void);
-
-WEBP_TSAN_IGNORE_FUNCTION void WebPInitSharpYUVSSE2(void) {
- WebPSharpYUVUpdateY = SharpYUVUpdateY_SSE2;
- WebPSharpYUVUpdateRGB = SharpYUVUpdateRGB_SSE2;
- WebPSharpYUVFilterRow = SharpYUVFilterRow_SSE2;
-}
-
-#else // !WEBP_USE_SSE2
-
-WEBP_DSP_INIT_STUB(WebPInitSamplersSSE2)
-WEBP_DSP_INIT_STUB(WebPInitConvertARGBToYUVSSE2)
-WEBP_DSP_INIT_STUB(WebPInitSharpYUVSSE2)
-
-#endif // WEBP_USE_SSE2