wuggy/Dactyloidae
wuggy/Dactyloidae
1
0
Fork 0
mirror of https://repo.dactyloidae.xyz/Dactyloidae/UXP.git synced 2026-09-27 02:47:31 +09:00
Code Issues Projects Releases Packages Wiki Activity

Issue #1939 - Part 2: Update libwebp source.

Browse source
This commit is contained in:
Job Bautista 2022-06-26 12:52:04 +08:00 • committed by roytam1
commit 8038505d6c
127 changed files with 34059 additions and 775 deletions
Download patch file Download diff file Expand all files Collapse all files

27
media/libwebp/dsp/rescaler.c
View file

@ -38,8 +38,9 @@ void WebPRescalerImportRowExpand_C(WebPRescaler* const wrk,
int x_out = channel;
// simple bilinear interpolation
int accum = wrk->x_add;
int left = src[x_in];
int right = (wrk->src_width > 1) ? src[x_in + x_stride] : left;
rescaler_t left = (rescaler_t)src[x_in];
rescaler_t right =
(wrk->src_width > 1) ? (rescaler_t)src[x_in + x_stride] : left;
x_in += x_stride;
while (1) {
wrk->frow[x_out] = right * wrk->x_add + (left - right) * accum;
@ -50,7 +51,7 @@ void WebPRescalerImportRowExpand_C(WebPRescaler* const wrk,
left = right;
x_in += x_stride;
assert(x_in < wrk->src_width * x_stride);
right = src[x_in];
right = (rescaler_t)src[x_in];
accum += wrk->x_add;
}
}
@ -109,8 +110,7 @@ void WebPRescalerExportRowExpand_C(WebPRescaler* const wrk) {
for (x_out = 0; x_out < x_out_max; ++x_out) {
const uint32_t J = frow[x_out];
const int v = (int)MULT_FIX(J, wrk->fy_scale);
assert(v >= 0 && v <= 255);
dst[x_out] = v;
dst[x_out] = (v > 255) ? 255u : (uint8_t)v;
}
} else {
const uint32_t B = WEBP_RESCALER_FRAC(-wrk->y_accum, wrk->y_sub);
@ -120,8 +120,7 @@ void WebPRescalerExportRowExpand_C(WebPRescaler* const wrk) {
+ (uint64_t)B * irow[x_out];
const uint32_t J = (uint32_t)((I + ROUNDER) >> WEBP_RESCALER_RFIX);
const int v = (int)MULT_FIX(J, wrk->fy_scale);
assert(v >= 0 && v <= 255);
dst[x_out] = v;
dst[x_out] = (v > 255) ? 255u : (uint8_t)v;
}
}
}
@ -138,17 +137,15 @@ void WebPRescalerExportRowShrink_C(WebPRescaler* const wrk) {
assert(!wrk->y_expand);
if (yscale) {
for (x_out = 0; x_out < x_out_max; ++x_out) {
const uint32_t frac = (uint32_t)MULT_FIX(frow[x_out], yscale);
const int v = (int)MULT_FIX_FLOOR(irow[x_out] - frac, wrk->fxy_scale);
assert(v >= 0 && v <= 255);
dst[x_out] = v;
const uint32_t frac = (uint32_t)MULT_FIX_FLOOR(frow[x_out], yscale);
const int v = (int)MULT_FIX(irow[x_out] - frac, wrk->fxy_scale);
dst[x_out] = (v > 255) ? 255u : (uint8_t)v;
irow[x_out] = frac; // new fractional start
}
} else {
for (x_out = 0; x_out < x_out_max; ++x_out) {
const int v = (int)MULT_FIX(irow[x_out], wrk->fxy_scale);
assert(v >= 0 && v <= 255);
dst[x_out] = v;
dst[x_out] = (v > 255) ? 255u : (uint8_t)v;
irow[x_out] = 0;
}
}
@ -217,7 +214,7 @@ WEBP_DSP_INIT_FUNC(WebPRescalerDspInit) {
WebPRescalerImportRowShrink = WebPRescalerImportRowShrink_C;
if (VP8GetCPUInfo != NULL) {
#if defined(WEBP_USE_SSE2)
#if defined(WEBP_HAVE_SSE2)
if (VP8GetCPUInfo(kSSE2)) {
WebPRescalerDspInitSSE2();
}
@ -239,7 +236,7 @@ WEBP_DSP_INIT_FUNC(WebPRescalerDspInit) {
#endif
}
#if defined(WEBP_USE_NEON)
#if defined(WEBP_HAVE_NEON)
if (WEBP_NEON_OMIT_C_CODE ||
(VP8GetCPUInfo != NULL && VP8GetCPUInfo(kNEON))) {
WebPRescalerDspInitNEON();