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Unified Diff: source/libvpx/vp9/common/mips/msa/vp9_idct8x8_msa.c

Issue 1162573005: libvpx: Pull from upstream (Closed) Base URL: https://chromium.googlesource.com/chromium/deps/libvpx.git@master
Patch Set: Created 5 years, 7 months ago
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Index: source/libvpx/vp9/common/mips/msa/vp9_idct8x8_msa.c
diff --git a/source/libvpx/vp9/common/mips/msa/vp9_idct8x8_msa.c b/source/libvpx/vp9/common/mips/msa/vp9_idct8x8_msa.c
new file mode 100644
index 0000000000000000000000000000000000000000..d06756dfaac9174ff02e612b961b5c73359cd2c5
--- /dev/null
+++ b/source/libvpx/vp9/common/mips/msa/vp9_idct8x8_msa.c
@@ -0,0 +1,182 @@
+/*
+ * Copyright (c) 2015 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.
+ */
+
+#include "vp9/common/mips/msa/vp9_idct_msa.h"
+
+void vp9_idct8x8_64_add_msa(const int16_t *input, uint8_t *dst,
+ int32_t dst_stride) {
+ v8i16 in0, in1, in2, in3, in4, in5, in6, in7;
+
+ /* load vector elements of 8x8 block */
+ LD_SH8(input, 8, in0, in1, in2, in3, in4, in5, in6, in7);
+
+ /* rows transform */
+ TRANSPOSE8x8_SH_SH(in0, in1, in2, in3, in4, in5, in6, in7,
+ in0, in1, in2, in3, in4, in5, in6, in7);
+ /* 1D idct8x8 */
+ VP9_IDCT8x8_1D(in0, in1, in2, in3, in4, in5, in6, in7,
+ in0, in1, in2, in3, in4, in5, in6, in7);
+ /* columns transform */
+ TRANSPOSE8x8_SH_SH(in0, in1, in2, in3, in4, in5, in6, in7,
+ in0, in1, in2, in3, in4, in5, in6, in7);
+ /* 1D idct8x8 */
+ VP9_IDCT8x8_1D(in0, in1, in2, in3, in4, in5, in6, in7,
+ in0, in1, in2, in3, in4, in5, in6, in7);
+ /* final rounding (add 2^4, divide by 2^5) and shift */
+ SRARI_H4_SH(in0, in1, in2, in3, 5);
+ SRARI_H4_SH(in4, in5, in6, in7, 5);
+ /* add block and store 8x8 */
+ VP9_ADDBLK_ST8x4_UB(dst, dst_stride, in0, in1, in2, in3);
+ dst += (4 * dst_stride);
+ VP9_ADDBLK_ST8x4_UB(dst, dst_stride, in4, in5, in6, in7);
+}
+
+void vp9_idct8x8_12_add_msa(const int16_t *input, uint8_t *dst,
+ int32_t dst_stride) {
+ v8i16 in0, in1, in2, in3, in4, in5, in6, in7;
+ v8i16 s0, s1, s2, s3, s4, s5, s6, s7, k0, k1, k2, k3, m0, m1, m2, m3;
+ v4i32 tmp0, tmp1, tmp2, tmp3;
+ v8i16 zero = { 0 };
+
+ /* load vector elements of 8x8 block */
+ LD_SH8(input, 8, in0, in1, in2, in3, in4, in5, in6, in7);
+ TRANSPOSE8X4_SH_SH(in0, in1, in2, in3, in0, in1, in2, in3);
+
+ /* stage1 */
+ ILVL_H2_SH(in3, in0, in2, in1, s0, s1);
+ k0 = VP9_SET_COSPI_PAIR(cospi_28_64, -cospi_4_64);
+ k1 = VP9_SET_COSPI_PAIR(cospi_4_64, cospi_28_64);
+ k2 = VP9_SET_COSPI_PAIR(-cospi_20_64, cospi_12_64);
+ k3 = VP9_SET_COSPI_PAIR(cospi_12_64, cospi_20_64);
+ DOTP_SH4_SW(s0, s0, s1, s1, k0, k1, k2, k3, tmp0, tmp1, tmp2, tmp3);
+ SRARI_W4_SW(tmp0, tmp1, tmp2, tmp3, DCT_CONST_BITS);
+ PCKEV_H2_SH(zero, tmp0, zero, tmp1, s0, s1);
+ PCKEV_H2_SH(zero, tmp2, zero, tmp3, s2, s3);
+ BUTTERFLY_4(s0, s1, s3, s2, s4, s7, s6, s5);
+
+ /* stage2 */
+ ILVR_H2_SH(in3, in1, in2, in0, s1, s0);
+ k0 = VP9_SET_COSPI_PAIR(cospi_16_64, cospi_16_64);
+ k1 = VP9_SET_COSPI_PAIR(cospi_16_64, -cospi_16_64);
+ k2 = VP9_SET_COSPI_PAIR(cospi_24_64, -cospi_8_64);
+ k3 = VP9_SET_COSPI_PAIR(cospi_8_64, cospi_24_64);
+ DOTP_SH4_SW(s0, s0, s1, s1, k0, k1, k2, k3, tmp0, tmp1, tmp2, tmp3);
+ SRARI_W4_SW(tmp0, tmp1, tmp2, tmp3, DCT_CONST_BITS);
+ PCKEV_H2_SH(zero, tmp0, zero, tmp1, s0, s1);
+ PCKEV_H2_SH(zero, tmp2, zero, tmp3, s2, s3);
+ BUTTERFLY_4(s0, s1, s2, s3, m0, m1, m2, m3);
+
+ /* stage3 */
+ s0 = __msa_ilvr_h(s6, s5);
+
+ k1 = VP9_SET_COSPI_PAIR(-cospi_16_64, cospi_16_64);
+ DOTP_SH2_SW(s0, s0, k1, k0, tmp0, tmp1);
+ SRARI_W2_SW(tmp0, tmp1, DCT_CONST_BITS);
+ PCKEV_H2_SH(zero, tmp0, zero, tmp1, s2, s3);
+
+ /* stage4 */
+ BUTTERFLY_8(m0, m1, m2, m3, s4, s2, s3, s7,
+ in0, in1, in2, in3, in4, in5, in6, in7);
+ TRANSPOSE4X8_SH_SH(in0, in1, in2, in3, in4, in5, in6, in7,
+ in0, in1, in2, in3, in4, in5, in6, in7);
+ VP9_IDCT8x8_1D(in0, in1, in2, in3, in4, in5, in6, in7,
+ in0, in1, in2, in3, in4, in5, in6, in7);
+
+ /* final rounding (add 2^4, divide by 2^5) and shift */
+ SRARI_H4_SH(in0, in1, in2, in3, 5);
+ SRARI_H4_SH(in4, in5, in6, in7, 5);
+
+ /* add block and store 8x8 */
+ VP9_ADDBLK_ST8x4_UB(dst, dst_stride, in0, in1, in2, in3);
+ dst += (4 * dst_stride);
+ VP9_ADDBLK_ST8x4_UB(dst, dst_stride, in4, in5, in6, in7);
+}
+
+void vp9_idct8x8_1_add_msa(const int16_t *input, uint8_t *dst,
+ int32_t dst_stride) {
+ int16_t out;
+ int32_t val;
+ v8i16 vec;
+
+ out = ROUND_POWER_OF_TWO((input[0] * cospi_16_64), DCT_CONST_BITS);
+ out = ROUND_POWER_OF_TWO((out * cospi_16_64), DCT_CONST_BITS);
+ val = ROUND_POWER_OF_TWO(out, 5);
+ vec = __msa_fill_h(val);
+
+ VP9_ADDBLK_ST8x4_UB(dst, dst_stride, vec, vec, vec, vec);
+ dst += (4 * dst_stride);
+ VP9_ADDBLK_ST8x4_UB(dst, dst_stride, vec, vec, vec, vec);
+}
+
+void vp9_iht8x8_64_add_msa(const int16_t *input, uint8_t *dst,
+ int32_t dst_stride, int32_t tx_type) {
+ v8i16 in0, in1, in2, in3, in4, in5, in6, in7;
+
+ /* load vector elements of 8x8 block */
+ LD_SH8(input, 8, in0, in1, in2, in3, in4, in5, in6, in7);
+
+ TRANSPOSE8x8_SH_SH(in0, in1, in2, in3, in4, in5, in6, in7,
+ in0, in1, in2, in3, in4, in5, in6, in7);
+
+ switch (tx_type) {
+ case DCT_DCT:
+ /* DCT in horizontal */
+ VP9_IDCT8x8_1D(in0, in1, in2, in3, in4, in5, in6, in7,
+ in0, in1, in2, in3, in4, in5, in6, in7);
+ /* DCT in vertical */
+ TRANSPOSE8x8_SH_SH(in0, in1, in2, in3, in4, in5, in6, in7,
+ in0, in1, in2, in3, in4, in5, in6, in7);
+ VP9_IDCT8x8_1D(in0, in1, in2, in3, in4, in5, in6, in7,
+ in0, in1, in2, in3, in4, in5, in6, in7);
+ break;
+ case ADST_DCT:
+ /* DCT in horizontal */
+ VP9_IDCT8x8_1D(in0, in1, in2, in3, in4, in5, in6, in7,
+ in0, in1, in2, in3, in4, in5, in6, in7);
+ /* ADST in vertical */
+ TRANSPOSE8x8_SH_SH(in0, in1, in2, in3, in4, in5, in6, in7,
+ in0, in1, in2, in3, in4, in5, in6, in7);
+ VP9_ADST8(in0, in1, in2, in3, in4, in5, in6, in7,
+ in0, in1, in2, in3, in4, in5, in6, in7);
+ break;
+ case DCT_ADST:
+ /* ADST in horizontal */
+ VP9_ADST8(in0, in1, in2, in3, in4, in5, in6, in7,
+ in0, in1, in2, in3, in4, in5, in6, in7);
+ /* DCT in vertical */
+ TRANSPOSE8x8_SH_SH(in0, in1, in2, in3, in4, in5, in6, in7,
+ in0, in1, in2, in3, in4, in5, in6, in7);
+ VP9_IDCT8x8_1D(in0, in1, in2, in3, in4, in5, in6, in7,
+ in0, in1, in2, in3, in4, in5, in6, in7);
+ break;
+ case ADST_ADST:
+ /* ADST in horizontal */
+ VP9_ADST8(in0, in1, in2, in3, in4, in5, in6, in7,
+ in0, in1, in2, in3, in4, in5, in6, in7);
+ /* ADST in vertical */
+ TRANSPOSE8x8_SH_SH(in0, in1, in2, in3, in4, in5, in6, in7,
+ in0, in1, in2, in3, in4, in5, in6, in7);
+ VP9_ADST8(in0, in1, in2, in3, in4, in5, in6, in7,
+ in0, in1, in2, in3, in4, in5, in6, in7);
+ break;
+ default:
+ assert(0);
+ break;
+ }
+
+ /* final rounding (add 2^4, divide by 2^5) and shift */
+ SRARI_H4_SH(in0, in1, in2, in3, 5);
+ SRARI_H4_SH(in4, in5, in6, in7, 5);
+
+ /* add block and store 8x8 */
+ VP9_ADDBLK_ST8x4_UB(dst, dst_stride, in0, in1, in2, in3);
+ dst += (4 * dst_stride);
+ VP9_ADDBLK_ST8x4_UB(dst, dst_stride, in4, in5, in6, in7);
+}
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