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Unified Diff: source/libvpx/vp9/common/mips/dspr2/vp9_loopfilter_masks_dspr2.h

Issue 111463005: libvpx: Pull from upstream (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/deps/third_party/libvpx/
Patch Set: Created 7 years ago
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Index: source/libvpx/vp9/common/mips/dspr2/vp9_loopfilter_masks_dspr2.h
===================================================================
--- source/libvpx/vp9/common/mips/dspr2/vp9_loopfilter_masks_dspr2.h (revision 0)
+++ source/libvpx/vp9/common/mips/dspr2/vp9_loopfilter_masks_dspr2.h (revision 0)
@@ -0,0 +1,365 @@
+/*
+ * Copyright (c) 2013 The WebM project authors. All Rights Reserved.
+ *
+ * Use of this source code is governed by a BSD-style license
+ * that can be found in the LICENSE 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.
+ */
+
+#ifndef VP9_COMMON_MIPS_DSPR2_VP9_LOOPFILTER_MASKS_DSPR2_H_
+#define VP9_COMMON_MIPS_DSPR2_VP9_LOOPFILTER_MASKS_DSPR2_H_
+
+#include <stdlib.h>
+
+#include "./vp9_rtcd.h"
+#include "vp9/common/vp9_common.h"
+#include "vp9/common/vp9_onyxc_int.h"
+
+#if HAVE_DSPR2
+/* processing 4 pixels at the same time
+ * compute hev and mask in the same function */
+static INLINE void vp9_filter_hev_mask_dspr2(uint32_t limit, uint32_t flimit,
+ uint32_t p1, uint32_t p0,
+ uint32_t p3, uint32_t p2,
+ uint32_t q0, uint32_t q1,
+ uint32_t q2, uint32_t q3,
+ uint32_t thresh, uint32_t *hev,
+ uint32_t *mask) {
+ uint32_t c, r, r3, r_k;
+ uint32_t s1, s2, s3;
+ uint32_t ones = 0xFFFFFFFF;
+ uint32_t hev1;
+
+ __asm__ __volatile__ (
+ /* mask |= (abs(p3 - p2) > limit) */
+ "subu_s.qb %[c], %[p3], %[p2] \n\t"
+ "subu_s.qb %[r_k], %[p2], %[p3] \n\t"
+ "or %[r_k], %[r_k], %[c] \n\t"
+ "cmpgu.lt.qb %[c], %[limit], %[r_k] \n\t"
+ "or %[r], $0, %[c] \n\t"
+
+ /* mask |= (abs(p2 - p1) > limit) */
+ "subu_s.qb %[c], %[p2], %[p1] \n\t"
+ "subu_s.qb %[r_k], %[p1], %[p2] \n\t"
+ "or %[r_k], %[r_k], %[c] \n\t"
+ "cmpgu.lt.qb %[c], %[limit], %[r_k] \n\t"
+ "or %[r], %[r], %[c] \n\t"
+
+ /* mask |= (abs(p1 - p0) > limit)
+ * hev |= (abs(p1 - p0) > thresh)
+ */
+ "subu_s.qb %[c], %[p1], %[p0] \n\t"
+ "subu_s.qb %[r_k], %[p0], %[p1] \n\t"
+ "or %[r_k], %[r_k], %[c] \n\t"
+ "cmpgu.lt.qb %[c], %[thresh], %[r_k] \n\t"
+ "or %[r3], $0, %[c] \n\t"
+ "cmpgu.lt.qb %[c], %[limit], %[r_k] \n\t"
+ "or %[r], %[r], %[c] \n\t"
+
+ /* mask |= (abs(q1 - q0) > limit)
+ * hev |= (abs(q1 - q0) > thresh)
+ */
+ "subu_s.qb %[c], %[q1], %[q0] \n\t"
+ "subu_s.qb %[r_k], %[q0], %[q1] \n\t"
+ "or %[r_k], %[r_k], %[c] \n\t"
+ "cmpgu.lt.qb %[c], %[thresh], %[r_k] \n\t"
+ "or %[r3], %[r3], %[c] \n\t"
+ "cmpgu.lt.qb %[c], %[limit], %[r_k] \n\t"
+ "or %[r], %[r], %[c] \n\t"
+
+ /* mask |= (abs(q2 - q1) > limit) */
+ "subu_s.qb %[c], %[q2], %[q1] \n\t"
+ "subu_s.qb %[r_k], %[q1], %[q2] \n\t"
+ "or %[r_k], %[r_k], %[c] \n\t"
+ "cmpgu.lt.qb %[c], %[limit], %[r_k] \n\t"
+ "or %[r], %[r], %[c] \n\t"
+ "sll %[r3], %[r3], 24 \n\t"
+
+ /* mask |= (abs(q3 - q2) > limit) */
+ "subu_s.qb %[c], %[q3], %[q2] \n\t"
+ "subu_s.qb %[r_k], %[q2], %[q3] \n\t"
+ "or %[r_k], %[r_k], %[c] \n\t"
+ "cmpgu.lt.qb %[c], %[limit], %[r_k] \n\t"
+ "or %[r], %[r], %[c] \n\t"
+
+ : [c] "=&r" (c), [r_k] "=&r" (r_k),
+ [r] "=&r" (r), [r3] "=&r" (r3)
+ : [limit] "r" (limit), [p3] "r" (p3), [p2] "r" (p2),
+ [p1] "r" (p1), [p0] "r" (p0), [q1] "r" (q1), [q0] "r" (q0),
+ [q2] "r" (q2), [q3] "r" (q3), [thresh] "r" (thresh)
+ );
+
+ __asm__ __volatile__ (
+ /* abs(p0 - q0) */
+ "subu_s.qb %[c], %[p0], %[q0] \n\t"
+ "subu_s.qb %[r_k], %[q0], %[p0] \n\t"
+ "wrdsp %[r3] \n\t"
+ "or %[s1], %[r_k], %[c] \n\t"
+
+ /* abs(p1 - q1) */
+ "subu_s.qb %[c], %[p1], %[q1] \n\t"
+ "addu_s.qb %[s3], %[s1], %[s1] \n\t"
+ "pick.qb %[hev1], %[ones], $0 \n\t"
+ "subu_s.qb %[r_k], %[q1], %[p1] \n\t"
+ "or %[s2], %[r_k], %[c] \n\t"
+
+ /* abs(p0 - q0) * 2 + abs(p1 - q1) / 2 > flimit * 2 + limit */
+ "shrl.qb %[s2], %[s2], 1 \n\t"
+ "addu_s.qb %[s1], %[s2], %[s3] \n\t"
+ "cmpgu.lt.qb %[c], %[flimit], %[s1] \n\t"
+ "or %[r], %[r], %[c] \n\t"
+ "sll %[r], %[r], 24 \n\t"
+
+ "wrdsp %[r] \n\t"
+ "pick.qb %[s2], $0, %[ones] \n\t"
+
+ : [c] "=&r" (c), [r_k] "=&r" (r_k), [s1] "=&r" (s1), [hev1] "=&r" (hev1),
+ [s2] "=&r" (s2), [r] "+r" (r), [s3] "=&r" (s3)
+ : [p0] "r" (p0), [q0] "r" (q0), [p1] "r" (p1), [r3] "r" (r3),
+ [q1] "r" (q1), [ones] "r" (ones), [flimit] "r" (flimit)
+ );
+
+ *hev = hev1;
+ *mask = s2;
+}
+
+static INLINE void vp9_filter_hev_mask_flatmask4_dspr2(uint32_t limit,
+ uint32_t flimit,
+ uint32_t thresh,
+ uint32_t p1, uint32_t p0,
+ uint32_t p3, uint32_t p2,
+ uint32_t q0, uint32_t q1,
+ uint32_t q2, uint32_t q3,
+ uint32_t *hev,
+ uint32_t *mask,
+ uint32_t *flat) {
+ uint32_t c, r, r3, r_k, r_flat;
+ uint32_t s1, s2, s3;
+ uint32_t ones = 0xFFFFFFFF;
+ uint32_t flat_thresh = 0x01010101;
+ uint32_t hev1;
+ uint32_t flat1;
+
+ __asm__ __volatile__ (
+ /* mask |= (abs(p3 - p2) > limit) */
+ "subu_s.qb %[c], %[p3], %[p2] \n\t"
+ "subu_s.qb %[r_k], %[p2], %[p3] \n\t"
+ "or %[r_k], %[r_k], %[c] \n\t"
+ "cmpgu.lt.qb %[c], %[limit], %[r_k] \n\t"
+ "or %[r], $0, %[c] \n\t"
+
+ /* mask |= (abs(p2 - p1) > limit) */
+ "subu_s.qb %[c], %[p2], %[p1] \n\t"
+ "subu_s.qb %[r_k], %[p1], %[p2] \n\t"
+ "or %[r_k], %[r_k], %[c] \n\t"
+ "cmpgu.lt.qb %[c], %[limit], %[r_k] \n\t"
+ "or %[r], %[r], %[c] \n\t"
+
+ /* mask |= (abs(p1 - p0) > limit)
+ * hev |= (abs(p1 - p0) > thresh)
+ * flat |= (abs(p1 - p0) > thresh)
+ */
+ "subu_s.qb %[c], %[p1], %[p0] \n\t"
+ "subu_s.qb %[r_k], %[p0], %[p1] \n\t"
+ "or %[r_k], %[r_k], %[c] \n\t"
+ "cmpgu.lt.qb %[c], %[thresh], %[r_k] \n\t"
+ "or %[r3], $0, %[c] \n\t"
+ "cmpgu.lt.qb %[c], %[limit], %[r_k] \n\t"
+ "or %[r], %[r], %[c] \n\t"
+ "cmpgu.lt.qb %[c], %[flat_thresh], %[r_k] \n\t"
+ "or %[r_flat], $0, %[c] \n\t"
+
+ /* mask |= (abs(q1 - q0) > limit)
+ * hev |= (abs(q1 - q0) > thresh)
+ * flat |= (abs(q1 - q0) > thresh)
+ */
+ "subu_s.qb %[c], %[q1], %[q0] \n\t"
+ "subu_s.qb %[r_k], %[q0], %[q1] \n\t"
+ "or %[r_k], %[r_k], %[c] \n\t"
+ "cmpgu.lt.qb %[c], %[thresh], %[r_k] \n\t"
+ "or %[r3], %[r3], %[c] \n\t"
+ "cmpgu.lt.qb %[c], %[limit], %[r_k] \n\t"
+ "or %[r], %[r], %[c] \n\t"
+ "cmpgu.lt.qb %[c], %[flat_thresh], %[r_k] \n\t"
+ "or %[r_flat], %[r_flat], %[c] \n\t"
+
+ /* flat |= (abs(p0 - p2) > thresh) */
+ "subu_s.qb %[c], %[p0], %[p2] \n\t"
+ "subu_s.qb %[r_k], %[p2], %[p0] \n\t"
+ "or %[r_k], %[r_k], %[c] \n\t"
+ "cmpgu.lt.qb %[c], %[flat_thresh], %[r_k] \n\t"
+ "or %[r_flat], %[r_flat], %[c] \n\t"
+
+ /* flat |= (abs(q0 - q2) > thresh) */
+ "subu_s.qb %[c], %[q0], %[q2] \n\t"
+ "subu_s.qb %[r_k], %[q2], %[q0] \n\t"
+ "or %[r_k], %[r_k], %[c] \n\t"
+ "cmpgu.lt.qb %[c], %[flat_thresh], %[r_k] \n\t"
+ "or %[r_flat], %[r_flat], %[c] \n\t"
+
+ /* flat |= (abs(p3 - p0) > thresh) */
+ "subu_s.qb %[c], %[p3], %[p0] \n\t"
+ "subu_s.qb %[r_k], %[p0], %[p3] \n\t"
+ "or %[r_k], %[r_k], %[c] \n\t"
+ "cmpgu.lt.qb %[c], %[flat_thresh], %[r_k] \n\t"
+ "or %[r_flat], %[r_flat], %[c] \n\t"
+
+ /* flat |= (abs(q3 - q0) > thresh) */
+ "subu_s.qb %[c], %[q3], %[q0] \n\t"
+ "subu_s.qb %[r_k], %[q0], %[q3] \n\t"
+ "or %[r_k], %[r_k], %[c] \n\t"
+ "cmpgu.lt.qb %[c], %[flat_thresh], %[r_k] \n\t"
+ "or %[r_flat], %[r_flat], %[c] \n\t"
+ "sll %[r_flat], %[r_flat], 24 \n\t"
+ /* look at stall here */
+ "wrdsp %[r_flat] \n\t"
+ "pick.qb %[flat1], $0, %[ones] \n\t"
+
+ /* mask |= (abs(q2 - q1) > limit) */
+ "subu_s.qb %[c], %[q2], %[q1] \n\t"
+ "subu_s.qb %[r_k], %[q1], %[q2] \n\t"
+ "or %[r_k], %[r_k], %[c] \n\t"
+ "cmpgu.lt.qb %[c], %[limit], %[r_k] \n\t"
+ "or %[r], %[r], %[c] \n\t"
+ "sll %[r3], %[r3], 24 \n\t"
+
+ /* mask |= (abs(q3 - q2) > limit) */
+ "subu_s.qb %[c], %[q3], %[q2] \n\t"
+ "subu_s.qb %[r_k], %[q2], %[q3] \n\t"
+ "or %[r_k], %[r_k], %[c] \n\t"
+ "cmpgu.lt.qb %[c], %[limit], %[r_k] \n\t"
+ "or %[r], %[r], %[c] \n\t"
+
+ : [c] "=&r" (c), [r_k] "=&r" (r_k), [r] "=&r" (r), [r3] "=&r" (r3),
+ [r_flat] "=&r" (r_flat), [flat1] "=&r" (flat1)
+ : [limit] "r" (limit), [p3] "r" (p3), [p2] "r" (p2),
+ [p1] "r" (p1), [p0] "r" (p0), [q1] "r" (q1), [q0] "r" (q0),
+ [q2] "r" (q2), [q3] "r" (q3), [thresh] "r" (thresh),
+ [flat_thresh] "r" (flat_thresh), [ones] "r" (ones)
+ );
+
+ __asm__ __volatile__ (
+ /* abs(p0 - q0) */
+ "subu_s.qb %[c], %[p0], %[q0] \n\t"
+ "subu_s.qb %[r_k], %[q0], %[p0] \n\t"
+ "wrdsp %[r3] \n\t"
+ "or %[s1], %[r_k], %[c] \n\t"
+
+ /* abs(p1 - q1) */
+ "subu_s.qb %[c], %[p1], %[q1] \n\t"
+ "addu_s.qb %[s3], %[s1], %[s1] \n\t"
+ "pick.qb %[hev1], %[ones], $0 \n\t"
+ "subu_s.qb %[r_k], %[q1], %[p1] \n\t"
+ "or %[s2], %[r_k], %[c] \n\t"
+
+ /* abs(p0 - q0) * 2 + abs(p1 - q1) / 2 > flimit * 2 + limit */
+ "shrl.qb %[s2], %[s2], 1 \n\t"
+ "addu_s.qb %[s1], %[s2], %[s3] \n\t"
+ "cmpgu.lt.qb %[c], %[flimit], %[s1] \n\t"
+ "or %[r], %[r], %[c] \n\t"
+ "sll %[r], %[r], 24 \n\t"
+
+ "wrdsp %[r] \n\t"
+ "pick.qb %[s2], $0, %[ones] \n\t"
+
+ : [c] "=&r" (c), [r_k] "=&r" (r_k), [s1] "=&r" (s1), [hev1] "=&r" (hev1),
+ [s2] "=&r" (s2), [r] "+r" (r), [s3] "=&r" (s3)
+ : [p0] "r" (p0), [q0] "r" (q0), [p1] "r" (p1), [r3] "r" (r3),
+ [q1] "r" (q1), [ones] "r" (ones), [flimit] "r" (flimit)
+ );
+
+ *hev = hev1;
+ *mask = s2;
+ *flat = flat1;
+}
+
+static INLINE void vp9_flatmask5(uint32_t p4, uint32_t p3,
+ uint32_t p2, uint32_t p1,
+ uint32_t p0, uint32_t q0,
+ uint32_t q1, uint32_t q2,
+ uint32_t q3, uint32_t q4,
+ uint32_t *flat2) {
+ uint32_t c, r, r_k, r_flat;
+ uint32_t ones = 0xFFFFFFFF;
+ uint32_t flat_thresh = 0x01010101;
+ uint32_t flat1, flat3;
+
+ __asm__ __volatile__ (
+ /* flat |= (abs(p4 - p0) > thresh) */
+ "subu_s.qb %[c], %[p4], %[p0] \n\t"
+ "subu_s.qb %[r_k], %[p0], %[p4] \n\t"
+ "or %[r_k], %[r_k], %[c] \n\t"
+ "cmpgu.lt.qb %[c], %[flat_thresh], %[r_k] \n\t"
+ "or %[r], $0, %[c] \n\t"
+
+ /* flat |= (abs(q4 - q0) > thresh) */
+ "subu_s.qb %[c], %[q4], %[q0] \n\t"
+ "subu_s.qb %[r_k], %[q0], %[q4] \n\t"
+ "or %[r_k], %[r_k], %[c] \n\t"
+ "cmpgu.lt.qb %[c], %[flat_thresh], %[r_k] \n\t"
+ "or %[r], %[r], %[c] \n\t"
+ "sll %[r], %[r], 24 \n\t"
+ "wrdsp %[r] \n\t"
+ "pick.qb %[flat3], $0, %[ones] \n\t"
+
+ /* flat |= (abs(p1 - p0) > thresh) */
+ "subu_s.qb %[c], %[p1], %[p0] \n\t"
+ "subu_s.qb %[r_k], %[p0], %[p1] \n\t"
+ "or %[r_k], %[r_k], %[c] \n\t"
+ "cmpgu.lt.qb %[c], %[flat_thresh], %[r_k] \n\t"
+ "or %[r_flat], $0, %[c] \n\t"
+
+ /* flat |= (abs(q1 - q0) > thresh) */
+ "subu_s.qb %[c], %[q1], %[q0] \n\t"
+ "subu_s.qb %[r_k], %[q0], %[q1] \n\t"
+ "or %[r_k], %[r_k], %[c] \n\t"
+ "cmpgu.lt.qb %[c], %[flat_thresh], %[r_k] \n\t"
+ "or %[r_flat], %[r_flat], %[c] \n\t"
+
+ /* flat |= (abs(p0 - p2) > thresh) */
+ "subu_s.qb %[c], %[p0], %[p2] \n\t"
+ "subu_s.qb %[r_k], %[p2], %[p0] \n\t"
+ "or %[r_k], %[r_k], %[c] \n\t"
+ "cmpgu.lt.qb %[c], %[flat_thresh], %[r_k] \n\t"
+ "or %[r_flat], %[r_flat], %[c] \n\t"
+
+ /* flat |= (abs(q0 - q2) > thresh) */
+ "subu_s.qb %[c], %[q0], %[q2] \n\t"
+ "subu_s.qb %[r_k], %[q2], %[q0] \n\t"
+ "or %[r_k], %[r_k], %[c] \n\t"
+ "cmpgu.lt.qb %[c], %[flat_thresh], %[r_k] \n\t"
+ "or %[r_flat], %[r_flat], %[c] \n\t"
+
+ /* flat |= (abs(p3 - p0) > thresh) */
+ "subu_s.qb %[c], %[p3], %[p0] \n\t"
+ "subu_s.qb %[r_k], %[p0], %[p3] \n\t"
+ "or %[r_k], %[r_k], %[c] \n\t"
+ "cmpgu.lt.qb %[c], %[flat_thresh], %[r_k] \n\t"
+ "or %[r_flat], %[r_flat], %[c] \n\t"
+
+ /* flat |= (abs(q3 - q0) > thresh) */
+ "subu_s.qb %[c], %[q3], %[q0] \n\t"
+ "subu_s.qb %[r_k], %[q0], %[q3] \n\t"
+ "or %[r_k], %[r_k], %[c] \n\t"
+ "cmpgu.lt.qb %[c], %[flat_thresh], %[r_k] \n\t"
+ "or %[r_flat], %[r_flat], %[c] \n\t"
+ "sll %[r_flat], %[r_flat], 24 \n\t"
+ "wrdsp %[r_flat] \n\t"
+ "pick.qb %[flat1], $0, %[ones] \n\t"
+ /* flat & flatmask4(thresh, p3, p2, p1, p0, q0, q1, q2, q3) */
+ "and %[flat1], %[flat3], %[flat1] \n\t"
+
+ : [c] "=&r" (c), [r_k] "=&r" (r_k), [r] "=&r" (r),
+ [r_flat] "=&r" (r_flat), [flat1] "=&r" (flat1), [flat3] "=&r" (flat3)
+ : [p4] "r" (p4), [p3] "r" (p3), [p2] "r" (p2),
+ [p1] "r" (p1), [p0] "r" (p0), [q0] "r" (q0), [q1] "r" (q1),
+ [q2] "r" (q2), [q3] "r" (q3), [q4] "r" (q4),
+ [flat_thresh] "r" (flat_thresh), [ones] "r" (ones)
+ );
+
+ *flat2 = flat1;
+}
+#endif // #if HAVE_DSPR2
+#endif // VP9_COMMON_MIPS_DSPR2_VP9_LOOPFILTER_MASKS_DSPR2_H_
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