vp8: [loongson] optimize idct with mmi
1. vp8_dequant_idct_add_y_block_mmi
2. vp8_dequant_idct_add_uv_block_mmi
Change-Id: I9987147be2685ac79d4b045d1d56f6709ee1223c
diff --git a/vp8/common/mips/mmi/idct_blk_mmi.c b/vp8/common/mips/mmi/idct_blk_mmi.c
new file mode 100644
index 0000000..f6020ab
--- /dev/null
+++ b/vp8/common/mips/mmi/idct_blk_mmi.c
@@ -0,0 +1,71 @@
+/*
+ * Copyright (c) 2017 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 "./vp8_rtcd.h"
+#include "vpx_mem/vpx_mem.h"
+
+void vp8_dequant_idct_add_y_block_mmi(int16_t *q, int16_t *dq, uint8_t *dst,
+ int stride, int8_t *eobs) {
+ int i, j;
+
+ for (i = 0; i < 4; i++) {
+ for (j = 0; j < 4; j++) {
+ if (*eobs++ > 1) {
+ vp8_dequant_idct_add_mmi(q, dq, dst, stride);
+ } else {
+ vp8_dc_only_idct_add_mmi(q[0] * dq[0], dst, stride, dst, stride);
+ memset(q, 0, 2 * sizeof(q[0]));
+ }
+
+ q += 16;
+ dst += 4;
+ }
+
+ dst += 4 * stride - 16;
+ }
+}
+
+void vp8_dequant_idct_add_uv_block_mmi(int16_t *q, int16_t *dq, uint8_t *dstu,
+ uint8_t *dstv, int stride,
+ int8_t *eobs) {
+ int i, j;
+
+ for (i = 0; i < 2; i++) {
+ for (j = 0; j < 2; j++) {
+ if (*eobs++ > 1) {
+ vp8_dequant_idct_add_mmi(q, dq, dstu, stride);
+ } else {
+ vp8_dc_only_idct_add_mmi(q[0] * dq[0], dstu, stride, dstu, stride);
+ memset(q, 0, 2 * sizeof(q[0]));
+ }
+
+ q += 16;
+ dstu += 4;
+ }
+
+ dstu += 4 * stride - 8;
+ }
+
+ for (i = 0; i < 2; i++) {
+ for (j = 0; j < 2; j++) {
+ if (*eobs++ > 1) {
+ vp8_dequant_idct_add_mmi(q, dq, dstv, stride);
+ } else {
+ vp8_dc_only_idct_add_mmi(q[0] * dq[0], dstv, stride, dstv, stride);
+ memset(q, 0, 2 * sizeof(q[0]));
+ }
+
+ q += 16;
+ dstv += 4;
+ }
+
+ dstv += 4 * stride - 8;
+ }
+}
diff --git a/vp8/common/rtcd_defs.pl b/vp8/common/rtcd_defs.pl
index be2ac00..ece2785 100644
--- a/vp8/common/rtcd_defs.pl
+++ b/vp8/common/rtcd_defs.pl
@@ -28,10 +28,10 @@
specialize qw/vp8_dequant_idct_add mmx neon dspr2 msa mmi/;
add_proto qw/void vp8_dequant_idct_add_y_block/, "short *q, short *dq, unsigned char *dst, int stride, char *eobs";
-specialize qw/vp8_dequant_idct_add_y_block sse2 neon dspr2 msa/;
+specialize qw/vp8_dequant_idct_add_y_block sse2 neon dspr2 msa mmi/;
add_proto qw/void vp8_dequant_idct_add_uv_block/, "short *q, short *dq, unsigned char *dst_u, unsigned char *dst_v, int stride, char *eobs";
-specialize qw/vp8_dequant_idct_add_uv_block sse2 neon dspr2 msa/;
+specialize qw/vp8_dequant_idct_add_uv_block sse2 neon dspr2 msa mmi/;
#
# Loopfilter
diff --git a/vp8/vp8_common.mk b/vp8/vp8_common.mk
index 5813c81..246fe6a 100644
--- a/vp8/vp8_common.mk
+++ b/vp8/vp8_common.mk
@@ -122,6 +122,7 @@
VP8_COMMON_SRCS-$(HAVE_MMI) += common/mips/mmi/idctllm_mmi.c
VP8_COMMON_SRCS-$(HAVE_MMI) += common/mips/mmi/dequantize_mmi.c
VP8_COMMON_SRCS-$(HAVE_MMI) += common/mips/mmi/copymem_mmi.c
+VP8_COMMON_SRCS-$(HAVE_MMI) += common/mips/mmi/idct_blk_mmi.c
ifeq ($(CONFIG_POSTPROC),yes)
VP8_COMMON_SRCS-$(HAVE_MSA) += common/mips/msa/mfqe_msa.c
