Make ALT_INTRA experiment work with FILTER_INTRA experiment.

Correctly use FILTER_INTRA_MODE enums instead of PREDICTION_MODE enums.

Change-Id: I3d89c0c5a926b9f8603b8492e7c8c9b32b41d4cc
diff --git a/av1/common/enums.h b/av1/common/enums.h
index 2aaa5a2..1ab4749 100644
--- a/av1/common/enums.h
+++ b/av1/common/enums.h
@@ -354,8 +354,7 @@
 } COMPOUND_TYPE;
 #endif  // CONFIG_EXT_INTER
 
-// TODO(urvang): Make "CONFIG_ALT_INTRA" work with "CONFIG_FILTER_INTRA".
-
+// TODO(huisu): Consider adding FILTER_SMOOTH_PRED to "FILTER_INTRA_MODE".
 #if CONFIG_FILTER_INTRA
 typedef enum {
   FILTER_DC_PRED,
diff --git a/av1/common/reconintra.c b/av1/common/reconintra.c
index fc59daa..6d2de30 100644
--- a/av1/common/reconintra.c
+++ b/av1/common/reconintra.c
@@ -1055,32 +1055,40 @@
   filter_intra_predictors_4tap(dst, stride, bs, above, left, TM_PRED);
 }
 
-static void filter_intra_predictors(int mode, uint8_t *dst, ptrdiff_t stride,
-                                    int bs, const uint8_t *above,
-                                    const uint8_t *left) {
+static void filter_intra_predictors(FILTER_INTRA_MODE mode, uint8_t *dst,
+                                    ptrdiff_t stride, int bs,
+                                    const uint8_t *above, const uint8_t *left) {
   switch (mode) {
-    case DC_PRED: av1_dc_filter_predictor(dst, stride, bs, above, left); break;
-    case V_PRED: av1_v_filter_predictor(dst, stride, bs, above, left); break;
-    case H_PRED: av1_h_filter_predictor(dst, stride, bs, above, left); break;
-    case D45_PRED:
+    case FILTER_DC_PRED:
+      av1_dc_filter_predictor(dst, stride, bs, above, left);
+      break;
+    case FILTER_V_PRED:
+      av1_v_filter_predictor(dst, stride, bs, above, left);
+      break;
+    case FILTER_H_PRED:
+      av1_h_filter_predictor(dst, stride, bs, above, left);
+      break;
+    case FILTER_D45_PRED:
       av1_d45_filter_predictor(dst, stride, bs, above, left);
       break;
-    case D135_PRED:
+    case FILTER_D135_PRED:
       av1_d135_filter_predictor(dst, stride, bs, above, left);
       break;
-    case D117_PRED:
+    case FILTER_D117_PRED:
       av1_d117_filter_predictor(dst, stride, bs, above, left);
       break;
-    case D153_PRED:
+    case FILTER_D153_PRED:
       av1_d153_filter_predictor(dst, stride, bs, above, left);
       break;
-    case D207_PRED:
+    case FILTER_D207_PRED:
       av1_d207_filter_predictor(dst, stride, bs, above, left);
       break;
-    case D63_PRED:
+    case FILTER_D63_PRED:
       av1_d63_filter_predictor(dst, stride, bs, above, left);
       break;
-    case TM_PRED: av1_tm_filter_predictor(dst, stride, bs, above, left); break;
+    case FILTER_TM_PRED:
+      av1_tm_filter_predictor(dst, stride, bs, above, left);
+      break;
     default: assert(0);
   }
 }
@@ -1199,39 +1207,39 @@
                                       bd);
 }
 
-static void highbd_filter_intra_predictors(int mode, uint16_t *dst,
-                                           ptrdiff_t stride, int bs,
-                                           const uint16_t *above,
+static void highbd_filter_intra_predictors(FILTER_INTRA_MODE mode,
+                                           uint16_t *dst, ptrdiff_t stride,
+                                           int bs, const uint16_t *above,
                                            const uint16_t *left, int bd) {
   switch (mode) {
-    case DC_PRED:
+    case FILTER_DC_PRED:
       av1_highbd_dc_filter_predictor(dst, stride, bs, above, left, bd);
       break;
-    case V_PRED:
+    case FILTER_V_PRED:
       av1_highbd_v_filter_predictor(dst, stride, bs, above, left, bd);
       break;
-    case H_PRED:
+    case FILTER_H_PRED:
       av1_highbd_h_filter_predictor(dst, stride, bs, above, left, bd);
       break;
-    case D45_PRED:
+    case FILTER_D45_PRED:
       av1_highbd_d45_filter_predictor(dst, stride, bs, above, left, bd);
       break;
-    case D135_PRED:
+    case FILTER_D135_PRED:
       av1_highbd_d135_filter_predictor(dst, stride, bs, above, left, bd);
       break;
-    case D117_PRED:
+    case FILTER_D117_PRED:
       av1_highbd_d117_filter_predictor(dst, stride, bs, above, left, bd);
       break;
-    case D153_PRED:
+    case FILTER_D153_PRED:
       av1_highbd_d153_filter_predictor(dst, stride, bs, above, left, bd);
       break;
-    case D207_PRED:
+    case FILTER_D207_PRED:
       av1_highbd_d207_filter_predictor(dst, stride, bs, above, left, bd);
       break;
-    case D63_PRED:
+    case FILTER_D63_PRED:
       av1_highbd_d63_filter_predictor(dst, stride, bs, above, left, bd);
       break;
-    case TM_PRED:
+    case FILTER_TM_PRED:
       av1_highbd_tm_filter_predictor(dst, stride, bs, above, left, bd);
       break;
     default: assert(0);