libvpx: Add VP9 decoder.

source/libvpx/vp9/common/x86/vp9_recon_wrapper_sse2.c

+/*
+ *  Copyright (c) 2010 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 "vpx_ports/config.h"
+#include "vpx_mem/vpx_mem.h"
+#include "vp9/common/vp9_blockd.h"
+
+#define build_intra_predictors_mbuv_prototype(sym) \
+  void sym(unsigned char *dst, int dst_stride, \
+           const unsigned char *src, int src_stride)
+typedef build_intra_predictors_mbuv_prototype((*build_intra_pred_mbuv_fn_t));
+
+extern build_intra_predictors_mbuv_prototype(vp9_intra_pred_uv_dc_mmx2);
+extern build_intra_predictors_mbuv_prototype(vp9_intra_pred_uv_dctop_mmx2);
+extern build_intra_predictors_mbuv_prototype(vp9_intra_pred_uv_dcleft_mmx2);
+extern build_intra_predictors_mbuv_prototype(vp9_intra_pred_uv_dc128_mmx);
+extern build_intra_predictors_mbuv_prototype(vp9_intra_pred_uv_ho_mmx2);
+extern build_intra_predictors_mbuv_prototype(vp9_intra_pred_uv_ho_ssse3);
+extern build_intra_predictors_mbuv_prototype(vp9_intra_pred_uv_ve_mmx);
+extern build_intra_predictors_mbuv_prototype(vp9_intra_pred_uv_tm_sse2);
+extern build_intra_predictors_mbuv_prototype(vp9_intra_pred_uv_tm_ssse3);
+
+static void build_intra_predictors_mbuv_x86(MACROBLOCKD *xd,
+                                            unsigned char *dst_u,
+                                            unsigned char *dst_v,
+                                            int dst_stride,
+                                            build_intra_pred_mbuv_fn_t tm_fn,
+                                            build_intra_pred_mbuv_fn_t ho_fn) {
+  int mode = xd->mode_info_context->mbmi.uv_mode;
+  build_intra_pred_mbuv_fn_t fn;
+  int src_stride = xd->dst.uv_stride;
+
+  switch (mode) {
+    case  V_PRED:
+      fn = vp9_intra_pred_uv_ve_mmx;
+      break;
+    case  H_PRED:
+      fn = ho_fn;
+      break;
+    case TM_PRED:
+      fn = tm_fn;
+      break;
+    case DC_PRED:
+      if (xd->up_available) {
+        if (xd->left_available) {
+          fn = vp9_intra_pred_uv_dc_mmx2;
+          break;
+        } else {
+          fn = vp9_intra_pred_uv_dctop_mmx2;
+          break;
+        }
+      } else if (xd->left_available) {
+        fn = vp9_intra_pred_uv_dcleft_mmx2;
+        break;
+      } else {
+        fn = vp9_intra_pred_uv_dc128_mmx;
+        break;
+      }
+      break;
+    default:
+      return;
+  }
+
+  fn(dst_u, dst_stride, xd->dst.u_buffer, src_stride);
+  fn(dst_v, dst_stride, xd->dst.v_buffer, src_stride);
+}
+
+void vp9_build_intra_predictors_mbuv_sse2(MACROBLOCKD *xd) {
+  build_intra_predictors_mbuv_x86(xd, &xd->predictor[256],
+                                  &xd->predictor[320], 8,
+                                  vp9_intra_pred_uv_tm_sse2,
+                                  vp9_intra_pred_uv_ho_mmx2);
+}
+
+void vp9_build_intra_predictors_mbuv_ssse3(MACROBLOCKD *xd) {
+  build_intra_predictors_mbuv_x86(xd, &xd->predictor[256],
+                                  &xd->predictor[320], 8,
+                                  vp9_intra_pred_uv_tm_ssse3,
+                                  vp9_intra_pred_uv_ho_ssse3);
+}
+
+void vp9_build_intra_predictors_mbuv_s_sse2(MACROBLOCKD *xd) {
+  build_intra_predictors_mbuv_x86(xd, xd->dst.u_buffer,
+                                  xd->dst.v_buffer, xd->dst.uv_stride,
+                                  vp9_intra_pred_uv_tm_sse2,
+                                  vp9_intra_pred_uv_ho_mmx2);
+}
+
+void vp9_build_intra_predictors_mbuv_s_ssse3(MACROBLOCKD *xd) {
+  build_intra_predictors_mbuv_x86(xd, xd->dst.u_buffer,
+                                  xd->dst.v_buffer, xd->dst.uv_stride,
+                                  vp9_intra_pred_uv_tm_ssse3,
+                                  vp9_intra_pred_uv_ho_ssse3);
+}