579 lines
27 KiB
C
579 lines
27 KiB
C
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// Copyright 2014 Google Inc. All Rights Reserved.
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//
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// Use of this source code is governed by a BSD-style license
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// that can be found in the COPYING file in the root of the source
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// tree. An additional intellectual property rights grant can be found
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// in the file PATENTS. All contributing project authors may
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// be found in the AUTHORS file in the root of the source tree.
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// -----------------------------------------------------------------------------
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//
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// MIPS version of dsp functions
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//
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// Author(s): Djordje Pesut (djordje.pesut@imgtec.com)
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// Jovan Zelincevic (jovan.zelincevic@imgtec.com)
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#include "./dsp.h"
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#if defined(WEBP_USE_MIPS32)
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static const int kC1 = 20091 + (1 << 16);
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static const int kC2 = 35468;
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static WEBP_INLINE int abs_mips32(int x) {
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const int sign = x >> 31;
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return (x ^ sign) - sign;
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}
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// 4 pixels in, 2 pixels out
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static WEBP_INLINE void do_filter2(uint8_t* p, int step) {
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const int p1 = p[-2 * step], p0 = p[-step], q0 = p[0], q1 = p[step];
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const int a = 3 * (q0 - p0) + VP8ksclip1[p1 - q1];
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const int a1 = VP8ksclip2[(a + 4) >> 3];
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const int a2 = VP8ksclip2[(a + 3) >> 3];
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p[-step] = VP8kclip1[p0 + a2];
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p[ 0] = VP8kclip1[q0 - a1];
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}
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// 4 pixels in, 4 pixels out
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static WEBP_INLINE void do_filter4(uint8_t* p, int step) {
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const int p1 = p[-2 * step], p0 = p[-step], q0 = p[0], q1 = p[step];
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const int a = 3 * (q0 - p0);
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const int a1 = VP8ksclip2[(a + 4) >> 3];
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const int a2 = VP8ksclip2[(a + 3) >> 3];
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const int a3 = (a1 + 1) >> 1;
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p[-2 * step] = VP8kclip1[p1 + a3];
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p[- step] = VP8kclip1[p0 + a2];
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p[ 0] = VP8kclip1[q0 - a1];
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p[ step] = VP8kclip1[q1 - a3];
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}
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// 6 pixels in, 6 pixels out
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static WEBP_INLINE void do_filter6(uint8_t* p, int step) {
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const int p2 = p[-3 * step], p1 = p[-2 * step], p0 = p[-step];
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const int q0 = p[0], q1 = p[step], q2 = p[2 * step];
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const int a = VP8ksclip1[3 * (q0 - p0) + VP8ksclip1[p1 - q1]];
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const int a1 = (27 * a + 63) >> 7; // eq. to ((3 * a + 7) * 9) >> 7
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const int a2 = (18 * a + 63) >> 7; // eq. to ((2 * a + 7) * 9) >> 7
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const int a3 = (9 * a + 63) >> 7; // eq. to ((1 * a + 7) * 9) >> 7
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p[-3 * step] = VP8kclip1[p2 + a3];
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p[-2 * step] = VP8kclip1[p1 + a2];
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p[- step] = VP8kclip1[p0 + a1];
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p[ 0] = VP8kclip1[q0 - a1];
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p[ step] = VP8kclip1[q1 - a2];
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p[ 2 * step] = VP8kclip1[q2 - a3];
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}
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static WEBP_INLINE int hev(const uint8_t* p, int step, int thresh) {
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const int p1 = p[-2 * step], p0 = p[-step], q0 = p[0], q1 = p[step];
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return (abs_mips32(p1 - p0) > thresh) || (abs_mips32(q1 - q0) > thresh);
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}
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static WEBP_INLINE int needs_filter(const uint8_t* p, int step, int thresh) {
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const int p1 = p[-2 * step], p0 = p[-step], q0 = p[0], q1 = p[step];
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return ((2 * abs_mips32(p0 - q0) + (abs_mips32(p1 - q1) >> 1)) <= thresh);
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}
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static WEBP_INLINE int needs_filter2(const uint8_t* p,
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int step, int t, int it) {
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const int p3 = p[-4 * step], p2 = p[-3 * step];
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const int p1 = p[-2 * step], p0 = p[-step];
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const int q0 = p[0], q1 = p[step], q2 = p[2 * step], q3 = p[3 * step];
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if ((2 * abs_mips32(p0 - q0) + (abs_mips32(p1 - q1) >> 1)) > t) {
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return 0;
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}
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return abs_mips32(p3 - p2) <= it && abs_mips32(p2 - p1) <= it &&
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abs_mips32(p1 - p0) <= it && abs_mips32(q3 - q2) <= it &&
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abs_mips32(q2 - q1) <= it && abs_mips32(q1 - q0) <= it;
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}
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static WEBP_INLINE void FilterLoop26(uint8_t* p,
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int hstride, int vstride, int size,
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int thresh, int ithresh, int hev_thresh) {
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while (size-- > 0) {
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if (needs_filter2(p, hstride, thresh, ithresh)) {
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if (hev(p, hstride, hev_thresh)) {
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do_filter2(p, hstride);
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} else {
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do_filter6(p, hstride);
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}
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}
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p += vstride;
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}
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}
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static WEBP_INLINE void FilterLoop24(uint8_t* p,
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int hstride, int vstride, int size,
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int thresh, int ithresh, int hev_thresh) {
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while (size-- > 0) {
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if (needs_filter2(p, hstride, thresh, ithresh)) {
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if (hev(p, hstride, hev_thresh)) {
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do_filter2(p, hstride);
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} else {
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do_filter4(p, hstride);
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}
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}
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p += vstride;
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}
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}
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// on macroblock edges
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static void VFilter16(uint8_t* p, int stride,
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int thresh, int ithresh, int hev_thresh) {
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FilterLoop26(p, stride, 1, 16, thresh, ithresh, hev_thresh);
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}
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static void HFilter16(uint8_t* p, int stride,
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int thresh, int ithresh, int hev_thresh) {
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FilterLoop26(p, 1, stride, 16, thresh, ithresh, hev_thresh);
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}
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// 8-pixels wide variant, for chroma filtering
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static void VFilter8(uint8_t* u, uint8_t* v, int stride,
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int thresh, int ithresh, int hev_thresh) {
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FilterLoop26(u, stride, 1, 8, thresh, ithresh, hev_thresh);
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FilterLoop26(v, stride, 1, 8, thresh, ithresh, hev_thresh);
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}
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static void HFilter8(uint8_t* u, uint8_t* v, int stride,
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int thresh, int ithresh, int hev_thresh) {
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FilterLoop26(u, 1, stride, 8, thresh, ithresh, hev_thresh);
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FilterLoop26(v, 1, stride, 8, thresh, ithresh, hev_thresh);
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}
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static void VFilter8i(uint8_t* u, uint8_t* v, int stride,
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int thresh, int ithresh, int hev_thresh) {
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FilterLoop24(u + 4 * stride, stride, 1, 8, thresh, ithresh, hev_thresh);
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FilterLoop24(v + 4 * stride, stride, 1, 8, thresh, ithresh, hev_thresh);
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}
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static void HFilter8i(uint8_t* u, uint8_t* v, int stride,
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int thresh, int ithresh, int hev_thresh) {
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FilterLoop24(u + 4, 1, stride, 8, thresh, ithresh, hev_thresh);
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FilterLoop24(v + 4, 1, stride, 8, thresh, ithresh, hev_thresh);
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}
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// on three inner edges
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static void VFilter16i(uint8_t* p, int stride,
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int thresh, int ithresh, int hev_thresh) {
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int k;
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for (k = 3; k > 0; --k) {
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p += 4 * stride;
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FilterLoop24(p, stride, 1, 16, thresh, ithresh, hev_thresh);
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}
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}
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static void HFilter16i(uint8_t* p, int stride,
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int thresh, int ithresh, int hev_thresh) {
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int k;
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for (k = 3; k > 0; --k) {
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p += 4;
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FilterLoop24(p, 1, stride, 16, thresh, ithresh, hev_thresh);
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}
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}
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//------------------------------------------------------------------------------
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// Simple In-loop filtering (Paragraph 15.2)
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static void SimpleVFilter16(uint8_t* p, int stride, int thresh) {
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int i;
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for (i = 0; i < 16; ++i) {
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if (needs_filter(p + i, stride, thresh)) {
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do_filter2(p + i, stride);
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}
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}
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}
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static void SimpleHFilter16(uint8_t* p, int stride, int thresh) {
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int i;
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for (i = 0; i < 16; ++i) {
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if (needs_filter(p + i * stride, 1, thresh)) {
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do_filter2(p + i * stride, 1);
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}
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}
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}
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static void SimpleVFilter16i(uint8_t* p, int stride, int thresh) {
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int k;
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for (k = 3; k > 0; --k) {
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p += 4 * stride;
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SimpleVFilter16(p, stride, thresh);
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}
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}
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static void SimpleHFilter16i(uint8_t* p, int stride, int thresh) {
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int k;
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for (k = 3; k > 0; --k) {
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p += 4;
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SimpleHFilter16(p, stride, thresh);
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}
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}
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static void TransformOne(const int16_t* in, uint8_t* dst) {
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int temp0, temp1, temp2, temp3, temp4;
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int temp5, temp6, temp7, temp8, temp9;
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int temp10, temp11, temp12, temp13, temp14;
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int temp15, temp16, temp17, temp18;
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int16_t* p_in = (int16_t*)in;
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// loops unrolled and merged to avoid usage of tmp buffer
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// and to reduce number of stalls. MUL macro is written
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// in assembler and inlined
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__asm__ volatile(
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"lh %[temp0], 0(%[in]) \n\t"
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"lh %[temp8], 16(%[in]) \n\t"
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"lh %[temp4], 8(%[in]) \n\t"
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"lh %[temp12], 24(%[in]) \n\t"
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"addu %[temp16], %[temp0], %[temp8] \n\t"
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"subu %[temp0], %[temp0], %[temp8] \n\t"
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"mul %[temp8], %[temp4], %[kC2] \n\t"
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"mul %[temp17], %[temp12], %[kC1] \n\t"
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"mul %[temp4], %[temp4], %[kC1] \n\t"
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"mul %[temp12], %[temp12], %[kC2] \n\t"
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"lh %[temp1], 2(%[in]) \n\t"
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"lh %[temp5], 10(%[in]) \n\t"
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"lh %[temp9], 18(%[in]) \n\t"
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"lh %[temp13], 26(%[in]) \n\t"
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"sra %[temp8], %[temp8], 16 \n\t"
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"sra %[temp17], %[temp17], 16 \n\t"
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"sra %[temp4], %[temp4], 16 \n\t"
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"sra %[temp12], %[temp12], 16 \n\t"
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"lh %[temp2], 4(%[in]) \n\t"
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"lh %[temp6], 12(%[in]) \n\t"
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"lh %[temp10], 20(%[in]) \n\t"
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"lh %[temp14], 28(%[in]) \n\t"
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"subu %[temp17], %[temp8], %[temp17] \n\t"
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"addu %[temp4], %[temp4], %[temp12] \n\t"
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"addu %[temp8], %[temp16], %[temp4] \n\t"
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"subu %[temp4], %[temp16], %[temp4] \n\t"
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"addu %[temp16], %[temp1], %[temp9] \n\t"
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"subu %[temp1], %[temp1], %[temp9] \n\t"
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"lh %[temp3], 6(%[in]) \n\t"
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"lh %[temp7], 14(%[in]) \n\t"
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"lh %[temp11], 22(%[in]) \n\t"
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"lh %[temp15], 30(%[in]) \n\t"
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"addu %[temp12], %[temp0], %[temp17] \n\t"
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"subu %[temp0], %[temp0], %[temp17] \n\t"
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"mul %[temp9], %[temp5], %[kC2] \n\t"
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"mul %[temp17], %[temp13], %[kC1] \n\t"
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"mul %[temp5], %[temp5], %[kC1] \n\t"
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"mul %[temp13], %[temp13], %[kC2] \n\t"
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"sra %[temp9], %[temp9], 16 \n\t"
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"sra %[temp17], %[temp17], 16 \n\t"
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"subu %[temp17], %[temp9], %[temp17] \n\t"
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"sra %[temp5], %[temp5], 16 \n\t"
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"sra %[temp13], %[temp13], 16 \n\t"
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"addu %[temp5], %[temp5], %[temp13] \n\t"
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"addu %[temp13], %[temp1], %[temp17] \n\t"
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"subu %[temp1], %[temp1], %[temp17] \n\t"
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"mul %[temp17], %[temp14], %[kC1] \n\t"
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"mul %[temp14], %[temp14], %[kC2] \n\t"
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"addu %[temp9], %[temp16], %[temp5] \n\t"
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"subu %[temp5], %[temp16], %[temp5] \n\t"
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"addu %[temp16], %[temp2], %[temp10] \n\t"
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"subu %[temp2], %[temp2], %[temp10] \n\t"
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"mul %[temp10], %[temp6], %[kC2] \n\t"
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"mul %[temp6], %[temp6], %[kC1] \n\t"
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"sra %[temp17], %[temp17], 16 \n\t"
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"sra %[temp14], %[temp14], 16 \n\t"
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"sra %[temp10], %[temp10], 16 \n\t"
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"sra %[temp6], %[temp6], 16 \n\t"
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"subu %[temp17], %[temp10], %[temp17] \n\t"
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"addu %[temp6], %[temp6], %[temp14] \n\t"
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"addu %[temp10], %[temp16], %[temp6] \n\t"
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"subu %[temp6], %[temp16], %[temp6] \n\t"
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"addu %[temp14], %[temp2], %[temp17] \n\t"
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"subu %[temp2], %[temp2], %[temp17] \n\t"
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"mul %[temp17], %[temp15], %[kC1] \n\t"
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"mul %[temp15], %[temp15], %[kC2] \n\t"
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"addu %[temp16], %[temp3], %[temp11] \n\t"
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"subu %[temp3], %[temp3], %[temp11] \n\t"
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"mul %[temp11], %[temp7], %[kC2] \n\t"
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"mul %[temp7], %[temp7], %[kC1] \n\t"
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|
|
"addiu %[temp8], %[temp8], 4 \n\t"
|
||
|
|
"addiu %[temp12], %[temp12], 4 \n\t"
|
||
|
|
"addiu %[temp0], %[temp0], 4 \n\t"
|
||
|
|
"addiu %[temp4], %[temp4], 4 \n\t"
|
||
|
|
"sra %[temp17], %[temp17], 16 \n\t"
|
||
|
|
"sra %[temp15], %[temp15], 16 \n\t"
|
||
|
|
"sra %[temp11], %[temp11], 16 \n\t"
|
||
|
|
"sra %[temp7], %[temp7], 16 \n\t"
|
||
|
|
"subu %[temp17], %[temp11], %[temp17] \n\t"
|
||
|
|
"addu %[temp7], %[temp7], %[temp15] \n\t"
|
||
|
|
"addu %[temp15], %[temp3], %[temp17] \n\t"
|
||
|
|
"subu %[temp3], %[temp3], %[temp17] \n\t"
|
||
|
|
"addu %[temp11], %[temp16], %[temp7] \n\t"
|
||
|
|
"subu %[temp7], %[temp16], %[temp7] \n\t"
|
||
|
|
"addu %[temp16], %[temp8], %[temp10] \n\t"
|
||
|
|
"subu %[temp8], %[temp8], %[temp10] \n\t"
|
||
|
|
"mul %[temp10], %[temp9], %[kC2] \n\t"
|
||
|
|
"mul %[temp17], %[temp11], %[kC1] \n\t"
|
||
|
|
"mul %[temp9], %[temp9], %[kC1] \n\t"
|
||
|
|
"mul %[temp11], %[temp11], %[kC2] \n\t"
|
||
|
|
"sra %[temp10], %[temp10], 16 \n\t"
|
||
|
|
"sra %[temp17], %[temp17], 16 \n\t"
|
||
|
|
"sra %[temp9], %[temp9], 16 \n\t"
|
||
|
|
"sra %[temp11], %[temp11], 16 \n\t"
|
||
|
|
"subu %[temp17], %[temp10], %[temp17] \n\t"
|
||
|
|
"addu %[temp11], %[temp9], %[temp11] \n\t"
|
||
|
|
"addu %[temp10], %[temp12], %[temp14] \n\t"
|
||
|
|
"subu %[temp12], %[temp12], %[temp14] \n\t"
|
||
|
|
"mul %[temp14], %[temp13], %[kC2] \n\t"
|
||
|
|
"mul %[temp9], %[temp15], %[kC1] \n\t"
|
||
|
|
"mul %[temp13], %[temp13], %[kC1] \n\t"
|
||
|
|
"mul %[temp15], %[temp15], %[kC2] \n\t"
|
||
|
|
"sra %[temp14], %[temp14], 16 \n\t"
|
||
|
|
"sra %[temp9], %[temp9], 16 \n\t"
|
||
|
|
"sra %[temp13], %[temp13], 16 \n\t"
|
||
|
|
"sra %[temp15], %[temp15], 16 \n\t"
|
||
|
|
"subu %[temp9], %[temp14], %[temp9] \n\t"
|
||
|
|
"addu %[temp15], %[temp13], %[temp15] \n\t"
|
||
|
|
"addu %[temp14], %[temp0], %[temp2] \n\t"
|
||
|
|
"subu %[temp0], %[temp0], %[temp2] \n\t"
|
||
|
|
"mul %[temp2], %[temp1], %[kC2] \n\t"
|
||
|
|
"mul %[temp13], %[temp3], %[kC1] \n\t"
|
||
|
|
"mul %[temp1], %[temp1], %[kC1] \n\t"
|
||
|
|
"mul %[temp3], %[temp3], %[kC2] \n\t"
|
||
|
|
"sra %[temp2], %[temp2], 16 \n\t"
|
||
|
|
"sra %[temp13], %[temp13], 16 \n\t"
|
||
|
|
"sra %[temp1], %[temp1], 16 \n\t"
|
||
|
|
"sra %[temp3], %[temp3], 16 \n\t"
|
||
|
|
"subu %[temp13], %[temp2], %[temp13] \n\t"
|
||
|
|
"addu %[temp3], %[temp1], %[temp3] \n\t"
|
||
|
|
"addu %[temp2], %[temp4], %[temp6] \n\t"
|
||
|
|
"subu %[temp4], %[temp4], %[temp6] \n\t"
|
||
|
|
"mul %[temp6], %[temp5], %[kC2] \n\t"
|
||
|
|
"mul %[temp1], %[temp7], %[kC1] \n\t"
|
||
|
|
"mul %[temp5], %[temp5], %[kC1] \n\t"
|
||
|
|
"mul %[temp7], %[temp7], %[kC2] \n\t"
|
||
|
|
"sra %[temp6], %[temp6], 16 \n\t"
|
||
|
|
"sra %[temp1], %[temp1], 16 \n\t"
|
||
|
|
"sra %[temp5], %[temp5], 16 \n\t"
|
||
|
|
"sra %[temp7], %[temp7], 16 \n\t"
|
||
|
|
"subu %[temp1], %[temp6], %[temp1] \n\t"
|
||
|
|
"addu %[temp7], %[temp5], %[temp7] \n\t"
|
||
|
|
"addu %[temp5], %[temp16], %[temp11] \n\t"
|
||
|
|
"subu %[temp16], %[temp16], %[temp11] \n\t"
|
||
|
|
"addu %[temp11], %[temp8], %[temp17] \n\t"
|
||
|
|
"subu %[temp8], %[temp8], %[temp17] \n\t"
|
||
|
|
"sra %[temp5], %[temp5], 3 \n\t"
|
||
|
|
"sra %[temp16], %[temp16], 3 \n\t"
|
||
|
|
"sra %[temp11], %[temp11], 3 \n\t"
|
||
|
|
"sra %[temp8], %[temp8], 3 \n\t"
|
||
|
|
"addu %[temp17], %[temp10], %[temp15] \n\t"
|
||
|
|
"subu %[temp10], %[temp10], %[temp15] \n\t"
|
||
|
|
"addu %[temp15], %[temp12], %[temp9] \n\t"
|
||
|
|
"subu %[temp12], %[temp12], %[temp9] \n\t"
|
||
|
|
"sra %[temp17], %[temp17], 3 \n\t"
|
||
|
|
"sra %[temp10], %[temp10], 3 \n\t"
|
||
|
|
"sra %[temp15], %[temp15], 3 \n\t"
|
||
|
|
"sra %[temp12], %[temp12], 3 \n\t"
|
||
|
|
"addu %[temp9], %[temp14], %[temp3] \n\t"
|
||
|
|
"subu %[temp14], %[temp14], %[temp3] \n\t"
|
||
|
|
"addu %[temp3], %[temp0], %[temp13] \n\t"
|
||
|
|
"subu %[temp0], %[temp0], %[temp13] \n\t"
|
||
|
|
"sra %[temp9], %[temp9], 3 \n\t"
|
||
|
|
"sra %[temp14], %[temp14], 3 \n\t"
|
||
|
|
"sra %[temp3], %[temp3], 3 \n\t"
|
||
|
|
"sra %[temp0], %[temp0], 3 \n\t"
|
||
|
|
"addu %[temp13], %[temp2], %[temp7] \n\t"
|
||
|
|
"subu %[temp2], %[temp2], %[temp7] \n\t"
|
||
|
|
"addu %[temp7], %[temp4], %[temp1] \n\t"
|
||
|
|
"subu %[temp4], %[temp4], %[temp1] \n\t"
|
||
|
|
"sra %[temp13], %[temp13], 3 \n\t"
|
||
|
|
"sra %[temp2], %[temp2], 3 \n\t"
|
||
|
|
"sra %[temp7], %[temp7], 3 \n\t"
|
||
|
|
"sra %[temp4], %[temp4], 3 \n\t"
|
||
|
|
"addiu %[temp6], $zero, 255 \n\t"
|
||
|
|
"lbu %[temp1], 0(%[dst]) \n\t"
|
||
|
|
"addu %[temp1], %[temp1], %[temp5] \n\t"
|
||
|
|
"sra %[temp5], %[temp1], 8 \n\t"
|
||
|
|
"sra %[temp18], %[temp1], 31 \n\t"
|
||
|
|
"beqz %[temp5], 1f \n\t"
|
||
|
|
"xor %[temp1], %[temp1], %[temp1] \n\t"
|
||
|
|
"movz %[temp1], %[temp6], %[temp18] \n\t"
|
||
|
|
"1: \n\t"
|
||
|
|
"lbu %[temp18], 1(%[dst]) \n\t"
|
||
|
|
"sb %[temp1], 0(%[dst]) \n\t"
|
||
|
|
"addu %[temp18], %[temp18], %[temp11] \n\t"
|
||
|
|
"sra %[temp11], %[temp18], 8 \n\t"
|
||
|
|
"sra %[temp1], %[temp18], 31 \n\t"
|
||
|
|
"beqz %[temp11], 2f \n\t"
|
||
|
|
"xor %[temp18], %[temp18], %[temp18] \n\t"
|
||
|
|
"movz %[temp18], %[temp6], %[temp1] \n\t"
|
||
|
|
"2: \n\t"
|
||
|
|
"lbu %[temp1], 2(%[dst]) \n\t"
|
||
|
|
"sb %[temp18], 1(%[dst]) \n\t"
|
||
|
|
"addu %[temp1], %[temp1], %[temp8] \n\t"
|
||
|
|
"sra %[temp8], %[temp1], 8 \n\t"
|
||
|
|
"sra %[temp18], %[temp1], 31 \n\t"
|
||
|
|
"beqz %[temp8], 3f \n\t"
|
||
|
|
"xor %[temp1], %[temp1], %[temp1] \n\t"
|
||
|
|
"movz %[temp1], %[temp6], %[temp18] \n\t"
|
||
|
|
"3: \n\t"
|
||
|
|
"lbu %[temp18], 3(%[dst]) \n\t"
|
||
|
|
"sb %[temp1], 2(%[dst]) \n\t"
|
||
|
|
"addu %[temp18], %[temp18], %[temp16] \n\t"
|
||
|
|
"sra %[temp16], %[temp18], 8 \n\t"
|
||
|
|
"sra %[temp1], %[temp18], 31 \n\t"
|
||
|
|
"beqz %[temp16], 4f \n\t"
|
||
|
|
"xor %[temp18], %[temp18], %[temp18] \n\t"
|
||
|
|
"movz %[temp18], %[temp6], %[temp1] \n\t"
|
||
|
|
"4: \n\t"
|
||
|
|
"sb %[temp18], 3(%[dst]) \n\t"
|
||
|
|
"lbu %[temp5], 32(%[dst]) \n\t"
|
||
|
|
"lbu %[temp8], 33(%[dst]) \n\t"
|
||
|
|
"lbu %[temp11], 34(%[dst]) \n\t"
|
||
|
|
"lbu %[temp16], 35(%[dst]) \n\t"
|
||
|
|
"addu %[temp5], %[temp5], %[temp17] \n\t"
|
||
|
|
"addu %[temp8], %[temp8], %[temp15] \n\t"
|
||
|
|
"addu %[temp11], %[temp11], %[temp12] \n\t"
|
||
|
|
"addu %[temp16], %[temp16], %[temp10] \n\t"
|
||
|
|
"sra %[temp18], %[temp5], 8 \n\t"
|
||
|
|
"sra %[temp1], %[temp5], 31 \n\t"
|
||
|
|
"beqz %[temp18], 5f \n\t"
|
||
|
|
"xor %[temp5], %[temp5], %[temp5] \n\t"
|
||
|
|
"movz %[temp5], %[temp6], %[temp1] \n\t"
|
||
|
|
"5: \n\t"
|
||
|
|
"sra %[temp18], %[temp8], 8 \n\t"
|
||
|
|
"sra %[temp1], %[temp8], 31 \n\t"
|
||
|
|
"beqz %[temp18], 6f \n\t"
|
||
|
|
"xor %[temp8], %[temp8], %[temp8] \n\t"
|
||
|
|
"movz %[temp8], %[temp6], %[temp1] \n\t"
|
||
|
|
"6: \n\t"
|
||
|
|
"sra %[temp18], %[temp11], 8 \n\t"
|
||
|
|
"sra %[temp1], %[temp11], 31 \n\t"
|
||
|
|
"sra %[temp17], %[temp16], 8 \n\t"
|
||
|
|
"sra %[temp15], %[temp16], 31 \n\t"
|
||
|
|
"beqz %[temp18], 7f \n\t"
|
||
|
|
"xor %[temp11], %[temp11], %[temp11] \n\t"
|
||
|
|
"movz %[temp11], %[temp6], %[temp1] \n\t"
|
||
|
|
"7: \n\t"
|
||
|
|
"beqz %[temp17], 8f \n\t"
|
||
|
|
"xor %[temp16], %[temp16], %[temp16] \n\t"
|
||
|
|
"movz %[temp16], %[temp6], %[temp15] \n\t"
|
||
|
|
"8: \n\t"
|
||
|
|
"sb %[temp5], 32(%[dst]) \n\t"
|
||
|
|
"sb %[temp8], 33(%[dst]) \n\t"
|
||
|
|
"sb %[temp11], 34(%[dst]) \n\t"
|
||
|
|
"sb %[temp16], 35(%[dst]) \n\t"
|
||
|
|
"lbu %[temp5], 64(%[dst]) \n\t"
|
||
|
|
"lbu %[temp8], 65(%[dst]) \n\t"
|
||
|
|
"lbu %[temp11], 66(%[dst]) \n\t"
|
||
|
|
"lbu %[temp16], 67(%[dst]) \n\t"
|
||
|
|
"addu %[temp5], %[temp5], %[temp9] \n\t"
|
||
|
|
"addu %[temp8], %[temp8], %[temp3] \n\t"
|
||
|
|
"addu %[temp11], %[temp11], %[temp0] \n\t"
|
||
|
|
"addu %[temp16], %[temp16], %[temp14] \n\t"
|
||
|
|
"sra %[temp18], %[temp5], 8 \n\t"
|
||
|
|
"sra %[temp1], %[temp5], 31 \n\t"
|
||
|
|
"sra %[temp17], %[temp8], 8 \n\t"
|
||
|
|
"sra %[temp15], %[temp8], 31 \n\t"
|
||
|
|
"sra %[temp12], %[temp11], 8 \n\t"
|
||
|
|
"sra %[temp10], %[temp11], 31 \n\t"
|
||
|
|
"sra %[temp9], %[temp16], 8 \n\t"
|
||
|
|
"sra %[temp3], %[temp16], 31 \n\t"
|
||
|
|
"beqz %[temp18], 9f \n\t"
|
||
|
|
"xor %[temp5], %[temp5], %[temp5] \n\t"
|
||
|
|
"movz %[temp5], %[temp6], %[temp1] \n\t"
|
||
|
|
"9: \n\t"
|
||
|
|
"beqz %[temp17], 10f \n\t"
|
||
|
|
"xor %[temp8], %[temp8], %[temp8] \n\t"
|
||
|
|
"movz %[temp8], %[temp6], %[temp15] \n\t"
|
||
|
|
"10: \n\t"
|
||
|
|
"beqz %[temp12], 11f \n\t"
|
||
|
|
"xor %[temp11], %[temp11], %[temp11] \n\t"
|
||
|
|
"movz %[temp11], %[temp6], %[temp10] \n\t"
|
||
|
|
"11: \n\t"
|
||
|
|
"beqz %[temp9], 12f \n\t"
|
||
|
|
"xor %[temp16], %[temp16], %[temp16] \n\t"
|
||
|
|
"movz %[temp16], %[temp6], %[temp3] \n\t"
|
||
|
|
"12: \n\t"
|
||
|
|
"sb %[temp5], 64(%[dst]) \n\t"
|
||
|
|
"sb %[temp8], 65(%[dst]) \n\t"
|
||
|
|
"sb %[temp11], 66(%[dst]) \n\t"
|
||
|
|
"sb %[temp16], 67(%[dst]) \n\t"
|
||
|
|
"lbu %[temp5], 96(%[dst]) \n\t"
|
||
|
|
"lbu %[temp8], 97(%[dst]) \n\t"
|
||
|
|
"lbu %[temp11], 98(%[dst]) \n\t"
|
||
|
|
"lbu %[temp16], 99(%[dst]) \n\t"
|
||
|
|
"addu %[temp5], %[temp5], %[temp13] \n\t"
|
||
|
|
"addu %[temp8], %[temp8], %[temp7] \n\t"
|
||
|
|
"addu %[temp11], %[temp11], %[temp4] \n\t"
|
||
|
|
"addu %[temp16], %[temp16], %[temp2] \n\t"
|
||
|
|
"sra %[temp18], %[temp5], 8 \n\t"
|
||
|
|
"sra %[temp1], %[temp5], 31 \n\t"
|
||
|
|
"sra %[temp17], %[temp8], 8 \n\t"
|
||
|
|
"sra %[temp15], %[temp8], 31 \n\t"
|
||
|
|
"sra %[temp12], %[temp11], 8 \n\t"
|
||
|
|
"sra %[temp10], %[temp11], 31 \n\t"
|
||
|
|
"sra %[temp9], %[temp16], 8 \n\t"
|
||
|
|
"sra %[temp3], %[temp16], 31 \n\t"
|
||
|
|
"beqz %[temp18], 13f \n\t"
|
||
|
|
"xor %[temp5], %[temp5], %[temp5] \n\t"
|
||
|
|
"movz %[temp5], %[temp6], %[temp1] \n\t"
|
||
|
|
"13: \n\t"
|
||
|
|
"beqz %[temp17], 14f \n\t"
|
||
|
|
"xor %[temp8], %[temp8], %[temp8] \n\t"
|
||
|
|
"movz %[temp8], %[temp6], %[temp15] \n\t"
|
||
|
|
"14: \n\t"
|
||
|
|
"beqz %[temp12], 15f \n\t"
|
||
|
|
"xor %[temp11], %[temp11], %[temp11] \n\t"
|
||
|
|
"movz %[temp11], %[temp6], %[temp10] \n\t"
|
||
|
|
"15: \n\t"
|
||
|
|
"beqz %[temp9], 16f \n\t"
|
||
|
|
"xor %[temp16], %[temp16], %[temp16] \n\t"
|
||
|
|
"movz %[temp16], %[temp6], %[temp3] \n\t"
|
||
|
|
"16: \n\t"
|
||
|
|
"sb %[temp5], 96(%[dst]) \n\t"
|
||
|
|
"sb %[temp8], 97(%[dst]) \n\t"
|
||
|
|
"sb %[temp11], 98(%[dst]) \n\t"
|
||
|
|
"sb %[temp16], 99(%[dst]) \n\t"
|
||
|
|
|
||
|
|
: [temp0]"=&r"(temp0), [temp1]"=&r"(temp1), [temp2]"=&r"(temp2),
|
||
|
|
[temp3]"=&r"(temp3), [temp4]"=&r"(temp4), [temp5]"=&r"(temp5),
|
||
|
|
[temp6]"=&r"(temp6), [temp7]"=&r"(temp7), [temp8]"=&r"(temp8),
|
||
|
|
[temp9]"=&r"(temp9), [temp10]"=&r"(temp10), [temp11]"=&r"(temp11),
|
||
|
|
[temp12]"=&r"(temp12), [temp13]"=&r"(temp13), [temp14]"=&r"(temp14),
|
||
|
|
[temp15]"=&r"(temp15), [temp16]"=&r"(temp16), [temp17]"=&r"(temp17),
|
||
|
|
[temp18]"=&r"(temp18)
|
||
|
|
: [in]"r"(p_in), [kC1]"r"(kC1), [kC2]"r"(kC2), [dst]"r"(dst)
|
||
|
|
: "memory", "hi", "lo"
|
||
|
|
);
|
||
|
|
}
|
||
|
|
|
||
|
|
static void TransformTwo(const int16_t* in, uint8_t* dst, int do_two) {
|
||
|
|
TransformOne(in, dst);
|
||
|
|
if (do_two) {
|
||
|
|
TransformOne(in + 16, dst + 4);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
#endif // WEBP_USE_MIPS32
|
||
|
|
|
||
|
|
//------------------------------------------------------------------------------
|
||
|
|
// Entry point
|
||
|
|
|
||
|
|
extern void VP8DspInitMIPS32(void);
|
||
|
|
|
||
|
|
void VP8DspInitMIPS32(void) {
|
||
|
|
#if defined(WEBP_USE_MIPS32)
|
||
|
|
VP8InitClipTables();
|
||
|
|
|
||
|
|
VP8Transform = TransformTwo;
|
||
|
|
|
||
|
|
VP8VFilter16 = VFilter16;
|
||
|
|
VP8HFilter16 = HFilter16;
|
||
|
|
VP8VFilter8 = VFilter8;
|
||
|
|
VP8HFilter8 = HFilter8;
|
||
|
|
VP8VFilter16i = VFilter16i;
|
||
|
|
VP8HFilter16i = HFilter16i;
|
||
|
|
VP8VFilter8i = VFilter8i;
|
||
|
|
VP8HFilter8i = HFilter8i;
|
||
|
|
|
||
|
|
VP8SimpleVFilter16 = SimpleVFilter16;
|
||
|
|
VP8SimpleHFilter16 = SimpleHFilter16;
|
||
|
|
VP8SimpleVFilter16i = SimpleVFilter16i;
|
||
|
|
VP8SimpleHFilter16i = SimpleHFilter16i;
|
||
|
|
#endif // WEBP_USE_MIPS32
|
||
|
|
}
|