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587 lines
27 KiB
587 lines
27 KiB
// 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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#include "./mips_macro.h" |
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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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// a is in [-128,127], a1 in [-27,27], a2 in [-18,18] and a3 in [-9,9] |
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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 t) { |
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const int p1 = p[-2 * step], p0 = p[-step], q0 = p[0], q1 = p[step]; |
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return ((4 * abs_mips32(p0 - q0) + abs_mips32(p1 - q1)) <= t); |
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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 ((4 * abs_mips32(p0 - q0) + abs_mips32(p1 - q1)) > 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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const int thresh2 = 2 * thresh + 1; |
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while (size-- > 0) { |
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if (needs_filter2(p, hstride, thresh2, 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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const int thresh2 = 2 * thresh + 1; |
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while (size-- > 0) { |
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if (needs_filter2(p, hstride, thresh2, 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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const int thresh2 = 2 * thresh + 1; |
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for (i = 0; i < 16; ++i) { |
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if (needs_filter(p + i, stride, thresh2)) { |
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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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const int thresh2 = 2 * thresh + 1; |
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for (i = 0; i < 16; ++i) { |
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if (needs_filter(p + i * stride, 1, thresh2)) { |
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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" |
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"addiu %[temp12], %[temp12], 4 \n\t" |
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"addiu %[temp0], %[temp0], 4 \n\t" |
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"addiu %[temp4], %[temp4], 4 \n\t" |
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"sra %[temp17], %[temp17], 16 \n\t" |
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"sra %[temp15], %[temp15], 16 \n\t" |
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"sra %[temp11], %[temp11], 16 \n\t" |
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"sra %[temp7], %[temp7], 16 \n\t" |
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"subu %[temp17], %[temp11], %[temp17] \n\t" |
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"addu %[temp7], %[temp7], %[temp15] \n\t" |
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"addu %[temp15], %[temp3], %[temp17] \n\t" |
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"subu %[temp3], %[temp3], %[temp17] \n\t" |
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"addu %[temp11], %[temp16], %[temp7] \n\t" |
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"subu %[temp7], %[temp16], %[temp7] \n\t" |
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"addu %[temp16], %[temp8], %[temp10] \n\t" |
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"subu %[temp8], %[temp8], %[temp10] \n\t" |
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"mul %[temp10], %[temp9], %[kC2] \n\t" |
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"mul %[temp17], %[temp11], %[kC1] \n\t" |
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"mul %[temp9], %[temp9], %[kC1] \n\t" |
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"mul %[temp11], %[temp11], %[kC2] \n\t" |
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"sra %[temp10], %[temp10], 16 \n\t" |
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"sra %[temp17], %[temp17], 16 \n\t" |
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"sra %[temp9], %[temp9], 16 \n\t" |
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"sra %[temp11], %[temp11], 16 \n\t" |
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"subu %[temp17], %[temp10], %[temp17] \n\t" |
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"addu %[temp11], %[temp9], %[temp11] \n\t" |
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"addu %[temp10], %[temp12], %[temp14] \n\t" |
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"subu %[temp12], %[temp12], %[temp14] \n\t" |
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"mul %[temp14], %[temp13], %[kC2] \n\t" |
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"mul %[temp9], %[temp15], %[kC1] \n\t" |
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"mul %[temp13], %[temp13], %[kC1] \n\t" |
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"mul %[temp15], %[temp15], %[kC2] \n\t" |
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"sra %[temp14], %[temp14], 16 \n\t" |
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"sra %[temp9], %[temp9], 16 \n\t" |
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"sra %[temp13], %[temp13], 16 \n\t" |
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"sra %[temp15], %[temp15], 16 \n\t" |
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"subu %[temp9], %[temp14], %[temp9] \n\t" |
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"addu %[temp15], %[temp13], %[temp15] \n\t" |
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"addu %[temp14], %[temp0], %[temp2] \n\t" |
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"subu %[temp0], %[temp0], %[temp2] \n\t" |
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"mul %[temp2], %[temp1], %[kC2] \n\t" |
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"mul %[temp13], %[temp3], %[kC1] \n\t" |
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"mul %[temp1], %[temp1], %[kC1] \n\t" |
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"mul %[temp3], %[temp3], %[kC2] \n\t" |
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"sra %[temp2], %[temp2], 16 \n\t" |
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"sra %[temp13], %[temp13], 16 \n\t" |
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"sra %[temp1], %[temp1], 16 \n\t" |
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"sra %[temp3], %[temp3], 16 \n\t" |
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"subu %[temp13], %[temp2], %[temp13] \n\t" |
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"addu %[temp3], %[temp1], %[temp3] \n\t" |
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"addu %[temp2], %[temp4], %[temp6] \n\t" |
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"subu %[temp4], %[temp4], %[temp6] \n\t" |
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"mul %[temp6], %[temp5], %[kC2] \n\t" |
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"mul %[temp1], %[temp7], %[kC1] \n\t" |
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"mul %[temp5], %[temp5], %[kC1] \n\t" |
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"mul %[temp7], %[temp7], %[kC2] \n\t" |
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"sra %[temp6], %[temp6], 16 \n\t" |
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"sra %[temp1], %[temp1], 16 \n\t" |
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"sra %[temp5], %[temp5], 16 \n\t" |
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"sra %[temp7], %[temp7], 16 \n\t" |
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"subu %[temp1], %[temp6], %[temp1] \n\t" |
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"addu %[temp7], %[temp5], %[temp7] \n\t" |
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"addu %[temp5], %[temp16], %[temp11] \n\t" |
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"subu %[temp16], %[temp16], %[temp11] \n\t" |
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"addu %[temp11], %[temp8], %[temp17] \n\t" |
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"subu %[temp8], %[temp8], %[temp17] \n\t" |
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"sra %[temp5], %[temp5], 3 \n\t" |
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"sra %[temp16], %[temp16], 3 \n\t" |
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"sra %[temp11], %[temp11], 3 \n\t" |
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"sra %[temp8], %[temp8], 3 \n\t" |
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"addu %[temp17], %[temp10], %[temp15] \n\t" |
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"subu %[temp10], %[temp10], %[temp15] \n\t" |
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"addu %[temp15], %[temp12], %[temp9] \n\t" |
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"subu %[temp12], %[temp12], %[temp9] \n\t" |
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"sra %[temp17], %[temp17], 3 \n\t" |
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"sra %[temp10], %[temp10], 3 \n\t" |
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"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+0*" XSTR(BPS) "(%[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+0*" XSTR(BPS) "(%[dst]) \n\t" |
|
"sb %[temp1], 0+0*" XSTR(BPS) "(%[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+0*" XSTR(BPS) "(%[dst]) \n\t" |
|
"sb %[temp18], 1+0*" XSTR(BPS) "(%[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+0*" XSTR(BPS) "(%[dst]) \n\t" |
|
"sb %[temp1], 2+0*" XSTR(BPS) "(%[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+0*" XSTR(BPS) "(%[dst]) \n\t" |
|
"lbu %[temp5], 0+1*" XSTR(BPS) "(%[dst]) \n\t" |
|
"lbu %[temp8], 1+1*" XSTR(BPS) "(%[dst]) \n\t" |
|
"lbu %[temp11], 2+1*" XSTR(BPS) "(%[dst]) \n\t" |
|
"lbu %[temp16], 3+1*" XSTR(BPS) "(%[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], 0+1*" XSTR(BPS) "(%[dst]) \n\t" |
|
"sb %[temp8], 1+1*" XSTR(BPS) "(%[dst]) \n\t" |
|
"sb %[temp11], 2+1*" XSTR(BPS) "(%[dst]) \n\t" |
|
"sb %[temp16], 3+1*" XSTR(BPS) "(%[dst]) \n\t" |
|
"lbu %[temp5], 0+2*" XSTR(BPS) "(%[dst]) \n\t" |
|
"lbu %[temp8], 1+2*" XSTR(BPS) "(%[dst]) \n\t" |
|
"lbu %[temp11], 2+2*" XSTR(BPS) "(%[dst]) \n\t" |
|
"lbu %[temp16], 3+2*" XSTR(BPS) "(%[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], 0+2*" XSTR(BPS) "(%[dst]) \n\t" |
|
"sb %[temp8], 1+2*" XSTR(BPS) "(%[dst]) \n\t" |
|
"sb %[temp11], 2+2*" XSTR(BPS) "(%[dst]) \n\t" |
|
"sb %[temp16], 3+2*" XSTR(BPS) "(%[dst]) \n\t" |
|
"lbu %[temp5], 0+3*" XSTR(BPS) "(%[dst]) \n\t" |
|
"lbu %[temp8], 1+3*" XSTR(BPS) "(%[dst]) \n\t" |
|
"lbu %[temp11], 2+3*" XSTR(BPS) "(%[dst]) \n\t" |
|
"lbu %[temp16], 3+3*" XSTR(BPS) "(%[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], 0+3*" XSTR(BPS) "(%[dst]) \n\t" |
|
"sb %[temp8], 1+3*" XSTR(BPS) "(%[dst]) \n\t" |
|
"sb %[temp11], 2+3*" XSTR(BPS) "(%[dst]) \n\t" |
|
"sb %[temp16], 3+3*" XSTR(BPS) "(%[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); |
|
} |
|
} |
|
|
|
//------------------------------------------------------------------------------ |
|
// Entry point |
|
|
|
extern void VP8DspInitMIPS32(void); |
|
|
|
WEBP_TSAN_IGNORE_FUNCTION void VP8DspInitMIPS32(void) { |
|
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; |
|
} |
|
|
|
#else // !WEBP_USE_MIPS32 |
|
|
|
WEBP_DSP_INIT_STUB(VP8DspInitMIPS32) |
|
|
|
#endif // WEBP_USE_MIPS32
|
|
|