Move DC only forward 2D-DCT functions to vpx_dsp

This completes the forward transform functions layout refactoring.

Change-Id: I996fb0fb795f41e2040f7b21db985774098aedbd

1 files changed, 15 insertions, 0 deletions

diff --git a/vpx_dsp/mips/fwd_txfm_msa.c b/vpx_dsp/mips/fwd_txfm_msa.c
index 8a7e7b6a9..1e35542f7 100644
--- a/vpx_dsp/mips/fwd_txfm_msa.c
+++ b/vpx_dsp/mips/fwd_txfm_msa.c
@@ -215,6 +215,11 @@ void vp9_fdct8x8_msa(const int16_t *input, int16_t *output,
   ST_SH8(in0, in1, in2, in3, in4, in5, in6, in7, output, 8);
 }
 
+void vp9_fdct8x8_1_msa(const int16_t *input, int16_t *out, int32_t stride) {
+  out[0] = LD_HADD(input, stride);
+  out[1] = 0;
+}
+
 void vp9_fdct16x16_msa(const int16_t *input, int16_t *output,
                        int32_t src_stride) {
   int32_t i;
@@ -230,3 +235,13 @@ void vp9_fdct16x16_msa(const int16_t *input, int16_t *output,
     fdct16x8_1d_row((&tmp_buf[0] + (128 * i)), (output + (128 * i)));
   }
 }
+
+void vp9_fdct16x16_1_msa(const int16_t *input, int16_t *out, int32_t stride) {
+  out[1] = 0;
+
+  out[0] = LD_HADD(input, stride);
+  out[0] += LD_HADD(input + 8, stride);
+  out[0] += LD_HADD(input + 16 * 8, stride);
+  out[0] += LD_HADD(input + 16 * 8 + 8, stride);
+  out[0] >>= 1;
+}