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Diffstat (limited to 'src/main/jni/libwebp/dsp/yuv_sse2.c')
-rw-r--r--src/main/jni/libwebp/dsp/yuv_sse2.c322
1 files changed, 0 insertions, 322 deletions
diff --git a/src/main/jni/libwebp/dsp/yuv_sse2.c b/src/main/jni/libwebp/dsp/yuv_sse2.c
deleted file mode 100644
index 6fe0f3b0d..000000000
--- a/src/main/jni/libwebp/dsp/yuv_sse2.c
+++ /dev/null
@@ -1,322 +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 <emmintrin.h>
-#include <string.h> // for memcpy
-
-typedef union { // handy struct for converting SSE2 registers
- int32_t i32[4];
- uint8_t u8[16];
- __m128i m;
-} VP8kCstSSE2;
-
-#if defined(WEBP_YUV_USE_SSE2_TABLES)
-
-#include "./yuv_tables_sse2.h"
-
-void VP8YUVInitSSE2(void) {}
-
-#else
-
-static int done_sse2 = 0;
-static VP8kCstSSE2 VP8kUtoRGBA[256], VP8kVtoRGBA[256], VP8kYtoRGBA[256];
-
-void VP8YUVInitSSE2(void) {
- if (!done_sse2) {
- int i;
- for (i = 0; i < 256; ++i) {
- VP8kYtoRGBA[i].i32[0] =
- VP8kYtoRGBA[i].i32[1] =
- VP8kYtoRGBA[i].i32[2] = (i - 16) * kYScale + YUV_HALF2;
- VP8kYtoRGBA[i].i32[3] = 0xff << YUV_FIX2;
-
- VP8kUtoRGBA[i].i32[0] = 0;
- VP8kUtoRGBA[i].i32[1] = -kUToG * (i - 128);
- VP8kUtoRGBA[i].i32[2] = kUToB * (i - 128);
- VP8kUtoRGBA[i].i32[3] = 0;
-
- VP8kVtoRGBA[i].i32[0] = kVToR * (i - 128);
- VP8kVtoRGBA[i].i32[1] = -kVToG * (i - 128);
- VP8kVtoRGBA[i].i32[2] = 0;
- VP8kVtoRGBA[i].i32[3] = 0;
- }
- done_sse2 = 1;
-
-#if 0 // code used to generate 'yuv_tables_sse2.h'
- printf("static const VP8kCstSSE2 VP8kYtoRGBA[256] = {\n");
- for (i = 0; i < 256; ++i) {
- printf(" {{0x%.8x, 0x%.8x, 0x%.8x, 0x%.8x}},\n",
- VP8kYtoRGBA[i].i32[0], VP8kYtoRGBA[i].i32[1],
- VP8kYtoRGBA[i].i32[2], VP8kYtoRGBA[i].i32[3]);
- }
- printf("};\n\n");
- printf("static const VP8kCstSSE2 VP8kUtoRGBA[256] = {\n");
- for (i = 0; i < 256; ++i) {
- printf(" {{0, 0x%.8x, 0x%.8x, 0}},\n",
- VP8kUtoRGBA[i].i32[1], VP8kUtoRGBA[i].i32[2]);
- }
- printf("};\n\n");
- printf("static VP8kCstSSE2 VP8kVtoRGBA[256] = {\n");
- for (i = 0; i < 256; ++i) {
- printf(" {{0x%.8x, 0x%.8x, 0, 0}},\n",
- VP8kVtoRGBA[i].i32[0], VP8kVtoRGBA[i].i32[1]);
- }
- printf("};\n\n");
-#endif
- }
-}
-
-#endif // WEBP_YUV_USE_SSE2_TABLES
-
-//-----------------------------------------------------------------------------
-
-static WEBP_INLINE __m128i LoadUVPart(int u, int v) {
- const __m128i u_part = _mm_loadu_si128(&VP8kUtoRGBA[u].m);
- const __m128i v_part = _mm_loadu_si128(&VP8kVtoRGBA[v].m);
- const __m128i uv_part = _mm_add_epi32(u_part, v_part);
- return uv_part;
-}
-
-static WEBP_INLINE __m128i GetRGBA32bWithUV(int y, const __m128i uv_part) {
- const __m128i y_part = _mm_loadu_si128(&VP8kYtoRGBA[y].m);
- const __m128i rgba1 = _mm_add_epi32(y_part, uv_part);
- const __m128i rgba2 = _mm_srai_epi32(rgba1, YUV_FIX2);
- return rgba2;
-}
-
-static WEBP_INLINE __m128i GetRGBA32b(int y, int u, int v) {
- const __m128i uv_part = LoadUVPart(u, v);
- return GetRGBA32bWithUV(y, uv_part);
-}
-
-static WEBP_INLINE void YuvToRgbSSE2(uint8_t y, uint8_t u, uint8_t v,
- uint8_t* const rgb) {
- const __m128i tmp0 = GetRGBA32b(y, u, v);
- const __m128i tmp1 = _mm_packs_epi32(tmp0, tmp0);
- const __m128i tmp2 = _mm_packus_epi16(tmp1, tmp1);
- // Note: we store 8 bytes at a time, not 3 bytes! -> memory stomp
- _mm_storel_epi64((__m128i*)rgb, tmp2);
-}
-
-static WEBP_INLINE void YuvToBgrSSE2(uint8_t y, uint8_t u, uint8_t v,
- uint8_t* const bgr) {
- const __m128i tmp0 = GetRGBA32b(y, u, v);
- const __m128i tmp1 = _mm_shuffle_epi32(tmp0, _MM_SHUFFLE(3, 0, 1, 2));
- const __m128i tmp2 = _mm_packs_epi32(tmp1, tmp1);
- const __m128i tmp3 = _mm_packus_epi16(tmp2, tmp2);
- // Note: we store 8 bytes at a time, not 3 bytes! -> memory stomp
- _mm_storel_epi64((__m128i*)bgr, tmp3);
-}
-
-//-----------------------------------------------------------------------------
-// Convert spans of 32 pixels to various RGB formats for the fancy upsampler.
-
-#ifdef FANCY_UPSAMPLING
-
-void VP8YuvToRgba32(const uint8_t* y, const uint8_t* u, const uint8_t* v,
- uint8_t* dst) {
- int n;
- for (n = 0; n < 32; n += 4) {
- const __m128i tmp0_1 = GetRGBA32b(y[n + 0], u[n + 0], v[n + 0]);
- const __m128i tmp0_2 = GetRGBA32b(y[n + 1], u[n + 1], v[n + 1]);
- const __m128i tmp0_3 = GetRGBA32b(y[n + 2], u[n + 2], v[n + 2]);
- const __m128i tmp0_4 = GetRGBA32b(y[n + 3], u[n + 3], v[n + 3]);
- const __m128i tmp1_1 = _mm_packs_epi32(tmp0_1, tmp0_2);
- const __m128i tmp1_2 = _mm_packs_epi32(tmp0_3, tmp0_4);
- const __m128i tmp2 = _mm_packus_epi16(tmp1_1, tmp1_2);
- _mm_storeu_si128((__m128i*)dst, tmp2);
- dst += 4 * 4;
- }
-}
-
-void VP8YuvToBgra32(const uint8_t* y, const uint8_t* u, const uint8_t* v,
- uint8_t* dst) {
- int n;
- for (n = 0; n < 32; n += 2) {
- const __m128i tmp0_1 = GetRGBA32b(y[n + 0], u[n + 0], v[n + 0]);
- const __m128i tmp0_2 = GetRGBA32b(y[n + 1], u[n + 1], v[n + 1]);
- const __m128i tmp1_1 = _mm_shuffle_epi32(tmp0_1, _MM_SHUFFLE(3, 0, 1, 2));
- const __m128i tmp1_2 = _mm_shuffle_epi32(tmp0_2, _MM_SHUFFLE(3, 0, 1, 2));
- const __m128i tmp2_1 = _mm_packs_epi32(tmp1_1, tmp1_2);
- const __m128i tmp3 = _mm_packus_epi16(tmp2_1, tmp2_1);
- _mm_storel_epi64((__m128i*)dst, tmp3);
- dst += 4 * 2;
- }
-}
-
-void VP8YuvToRgb32(const uint8_t* y, const uint8_t* u, const uint8_t* v,
- uint8_t* dst) {
- int n;
- uint8_t tmp0[2 * 3 + 5 + 15];
- uint8_t* const tmp = (uint8_t*)((uintptr_t)(tmp0 + 15) & ~15); // align
- for (n = 0; n < 30; ++n) { // we directly stomp the *dst memory
- YuvToRgbSSE2(y[n], u[n], v[n], dst + n * 3);
- }
- // Last two pixels are special: we write in a tmp buffer before sending
- // to dst.
- YuvToRgbSSE2(y[n + 0], u[n + 0], v[n + 0], tmp + 0);
- YuvToRgbSSE2(y[n + 1], u[n + 1], v[n + 1], tmp + 3);
- memcpy(dst + n * 3, tmp, 2 * 3);
-}
-
-void VP8YuvToBgr32(const uint8_t* y, const uint8_t* u, const uint8_t* v,
- uint8_t* dst) {
- int n;
- uint8_t tmp0[2 * 3 + 5 + 15];
- uint8_t* const tmp = (uint8_t*)((uintptr_t)(tmp0 + 15) & ~15); // align
- for (n = 0; n < 30; ++n) {
- YuvToBgrSSE2(y[n], u[n], v[n], dst + n * 3);
- }
- YuvToBgrSSE2(y[n + 0], u[n + 0], v[n + 0], tmp + 0);
- YuvToBgrSSE2(y[n + 1], u[n + 1], v[n + 1], tmp + 3);
- memcpy(dst + n * 3, tmp, 2 * 3);
-}
-
-#endif // FANCY_UPSAMPLING
-
-//-----------------------------------------------------------------------------
-// Arbitrary-length row conversion functions
-
-static void YuvToRgbaRowSSE2(const uint8_t* y,
- const uint8_t* u, const uint8_t* v,
- uint8_t* dst, int len) {
- int n;
- for (n = 0; n + 4 <= len; n += 4) {
- const __m128i uv_0 = LoadUVPart(u[0], v[0]);
- const __m128i uv_1 = LoadUVPart(u[1], v[1]);
- const __m128i tmp0_1 = GetRGBA32bWithUV(y[0], uv_0);
- const __m128i tmp0_2 = GetRGBA32bWithUV(y[1], uv_0);
- const __m128i tmp0_3 = GetRGBA32bWithUV(y[2], uv_1);
- const __m128i tmp0_4 = GetRGBA32bWithUV(y[3], uv_1);
- const __m128i tmp1_1 = _mm_packs_epi32(tmp0_1, tmp0_2);
- const __m128i tmp1_2 = _mm_packs_epi32(tmp0_3, tmp0_4);
- const __m128i tmp2 = _mm_packus_epi16(tmp1_1, tmp1_2);
- _mm_storeu_si128((__m128i*)dst, tmp2);
- dst += 4 * 4;
- y += 4;
- u += 2;
- v += 2;
- }
- // Finish off
- while (n < len) {
- VP8YuvToRgba(y[0], u[0], v[0], dst);
- dst += 4;
- ++y;
- u += (n & 1);
- v += (n & 1);
- ++n;
- }
-}
-
-static void YuvToBgraRowSSE2(const uint8_t* y,
- const uint8_t* u, const uint8_t* v,
- uint8_t* dst, int len) {
- int n;
- for (n = 0; n + 2 <= len; n += 2) {
- const __m128i uv_0 = LoadUVPart(u[0], v[0]);
- const __m128i tmp0_1 = GetRGBA32bWithUV(y[0], uv_0);
- const __m128i tmp0_2 = GetRGBA32bWithUV(y[1], uv_0);
- const __m128i tmp1_1 = _mm_shuffle_epi32(tmp0_1, _MM_SHUFFLE(3, 0, 1, 2));
- const __m128i tmp1_2 = _mm_shuffle_epi32(tmp0_2, _MM_SHUFFLE(3, 0, 1, 2));
- const __m128i tmp2_1 = _mm_packs_epi32(tmp1_1, tmp1_2);
- const __m128i tmp3 = _mm_packus_epi16(tmp2_1, tmp2_1);
- _mm_storel_epi64((__m128i*)dst, tmp3);
- dst += 4 * 2;
- y += 2;
- ++u;
- ++v;
- }
- // Finish off
- if (len & 1) {
- VP8YuvToBgra(y[0], u[0], v[0], dst);
- }
-}
-
-static void YuvToArgbRowSSE2(const uint8_t* y,
- const uint8_t* u, const uint8_t* v,
- uint8_t* dst, int len) {
- int n;
- for (n = 0; n + 2 <= len; n += 2) {
- const __m128i uv_0 = LoadUVPart(u[0], v[0]);
- const __m128i tmp0_1 = GetRGBA32bWithUV(y[0], uv_0);
- const __m128i tmp0_2 = GetRGBA32bWithUV(y[1], uv_0);
- const __m128i tmp1_1 = _mm_shuffle_epi32(tmp0_1, _MM_SHUFFLE(2, 1, 0, 3));
- const __m128i tmp1_2 = _mm_shuffle_epi32(tmp0_2, _MM_SHUFFLE(2, 1, 0, 3));
- const __m128i tmp2_1 = _mm_packs_epi32(tmp1_1, tmp1_2);
- const __m128i tmp3 = _mm_packus_epi16(tmp2_1, tmp2_1);
- _mm_storel_epi64((__m128i*)dst, tmp3);
- dst += 4 * 2;
- y += 2;
- ++u;
- ++v;
- }
- // Finish off
- if (len & 1) {
- VP8YuvToArgb(y[0], u[0], v[0], dst);
- }
-}
-
-static void YuvToRgbRowSSE2(const uint8_t* y,
- const uint8_t* u, const uint8_t* v,
- uint8_t* dst, int len) {
- int n;
- for (n = 0; n + 2 < len; ++n) { // we directly stomp the *dst memory
- YuvToRgbSSE2(y[0], u[0], v[0], dst); // stomps 8 bytes
- dst += 3;
- ++y;
- u += (n & 1);
- v += (n & 1);
- }
- VP8YuvToRgb(y[0], u[0], v[0], dst);
- if (len > 1) {
- VP8YuvToRgb(y[1], u[n & 1], v[n & 1], dst + 3);
- }
-}
-
-static void YuvToBgrRowSSE2(const uint8_t* y,
- const uint8_t* u, const uint8_t* v,
- uint8_t* dst, int len) {
- int n;
- for (n = 0; n + 2 < len; ++n) { // we directly stomp the *dst memory
- YuvToBgrSSE2(y[0], u[0], v[0], dst); // stomps 8 bytes
- dst += 3;
- ++y;
- u += (n & 1);
- v += (n & 1);
- }
- VP8YuvToBgr(y[0], u[0], v[0], dst + 0);
- if (len > 1) {
- VP8YuvToBgr(y[1], u[n & 1], v[n & 1], dst + 3);
- }
-}
-
-#endif // WEBP_USE_SSE2
-
-//------------------------------------------------------------------------------
-// Entry point
-
-extern void WebPInitSamplersSSE2(void);
-
-void WebPInitSamplersSSE2(void) {
-#if defined(WEBP_USE_SSE2)
- WebPSamplers[MODE_RGB] = YuvToRgbRowSSE2;
- WebPSamplers[MODE_RGBA] = YuvToRgbaRowSSE2;
- WebPSamplers[MODE_BGR] = YuvToBgrRowSSE2;
- WebPSamplers[MODE_BGRA] = YuvToBgraRowSSE2;
- WebPSamplers[MODE_ARGB] = YuvToArgbRowSSE2;
-#endif // WEBP_USE_SSE2
-}
generated by cgit v1.2.3 (git 2.25.1) at 2024-08-30 19:04:24 +0000