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Code Releases Wiki Activity

libwebp: Sync with upstream 1.2.1

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Changes: https://chromium.googlesource.com/webm/libwebp/+/1.2.1/NEWS
This commit is contained in:
Rémi Verschelde
2021-11-19 13:54:40 +01:00
parent 42f8bfaff0
commit 41ce417847
71 changed files with 1649 additions and 1138 deletions
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42
thirdparty/libwebp/src/dsp/alpha_processing_sse2.c vendored
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@@ -18,9 +18,9 @@
//------------------------------------------------------------------------------
static int DispatchAlpha_SSE2(const uint8_t* alpha, int alpha_stride,
int width, int height,
uint8_t* dst, int dst_stride) {
static int DispatchAlpha_SSE2(const uint8_t* WEBP_RESTRICT alpha,
int alpha_stride, int width, int height,
uint8_t* WEBP_RESTRICT dst, int dst_stride) {
// alpha_and stores an 'and' operation of all the alpha[] values. The final
// value is not 0xff if any of the alpha[] is not equal to 0xff.
uint32_t alpha_and = 0xff;
@@ -72,9 +72,10 @@ static int DispatchAlpha_SSE2(const uint8_t* alpha, int alpha_stride,
return (alpha_and != 0xff);
}
static void DispatchAlphaToGreen_SSE2(const uint8_t* alpha, int alpha_stride,
int width, int height,
uint32_t* dst, int dst_stride) {
static void DispatchAlphaToGreen_SSE2(const uint8_t* WEBP_RESTRICT alpha,
int alpha_stride, int width, int height,
uint32_t* WEBP_RESTRICT dst,
int dst_stride) {
int i, j;
const __m128i zero = _mm_setzero_si128();
const int limit = width & ~15;
@@ -98,9 +99,9 @@ static void DispatchAlphaToGreen_SSE2(const uint8_t* alpha, int alpha_stride,
}
}
static int ExtractAlpha_SSE2(const uint8_t* argb, int argb_stride,
static int ExtractAlpha_SSE2(const uint8_t* WEBP_RESTRICT argb, int argb_stride,
int width, int height,
uint8_t* alpha, int alpha_stride) {
uint8_t* WEBP_RESTRICT alpha, int alpha_stride) {
// alpha_and stores an 'and' operation of all the alpha[] values. The final
// value is not 0xff if any of the alpha[] is not equal to 0xff.
uint32_t alpha_and = 0xff;
@@ -265,6 +266,27 @@ static int HasAlpha32b_SSE2(const uint8_t* src, int length) {
return 0;
}
static void AlphaReplace_SSE2(uint32_t* src, int length, uint32_t color) {
const __m128i m_color = _mm_set1_epi32(color);
const __m128i zero = _mm_setzero_si128();
int i = 0;
for (; i + 8 <= length; i += 8) {
const __m128i a0 = _mm_loadu_si128((const __m128i*)(src + i + 0));
const __m128i a1 = _mm_loadu_si128((const __m128i*)(src + i + 4));
const __m128i b0 = _mm_srai_epi32(a0, 24);
const __m128i b1 = _mm_srai_epi32(a1, 24);
const __m128i c0 = _mm_cmpeq_epi32(b0, zero);
const __m128i c1 = _mm_cmpeq_epi32(b1, zero);
const __m128i d0 = _mm_and_si128(c0, m_color);
const __m128i d1 = _mm_and_si128(c1, m_color);
const __m128i e0 = _mm_andnot_si128(c0, a0);
const __m128i e1 = _mm_andnot_si128(c1, a1);
_mm_storeu_si128((__m128i*)(src + i + 0), _mm_or_si128(d0, e0));
_mm_storeu_si128((__m128i*)(src + i + 4), _mm_or_si128(d1, e1));
}
for (; i < length; ++i) if ((src[i] >> 24) == 0) src[i] = color;
}
// -----------------------------------------------------------------------------
// Apply alpha value to rows
@@ -296,7 +318,8 @@ static void MultARGBRow_SSE2(uint32_t* const ptr, int width, int inverse) {
if (width > 0) WebPMultARGBRow_C(ptr + x, width, inverse);
}
static void MultRow_SSE2(uint8_t* const ptr, const uint8_t* const alpha,
static void MultRow_SSE2(uint8_t* WEBP_RESTRICT const ptr,
const uint8_t* WEBP_RESTRICT const alpha,
int width, int inverse) {
int x = 0;
if (!inverse) {
@@ -334,6 +357,7 @@ WEBP_TSAN_IGNORE_FUNCTION void WebPInitAlphaProcessingSSE2(void) {
WebPHasAlpha8b = HasAlpha8b_SSE2;
WebPHasAlpha32b = HasAlpha32b_SSE2;
WebPAlphaReplace = AlphaReplace_SSE2;
}
#else // !WEBP_USE_SSE2