Fix config flags among var-tx/ext-tx/rect-tx

BUG=aomedia:396

Change-Id: I1b7f6dddb06eac9e341518a95a0d71465e613e9e
diff --git a/av1/common/blockd.h b/av1/common/blockd.h
index dc433a2..a924ed8 100644
--- a/av1/common/blockd.h
+++ b/av1/common/blockd.h
@@ -602,7 +602,6 @@
 #define USE_TXTYPE_SEARCH_FOR_SUB8X8_IN_CB4X4 1
 
 #if CONFIG_RECT_TX
-
 static INLINE int is_rect_tx(TX_SIZE tx_size) { return tx_size >= TX_SIZES; }
 #endif  // CONFIG_RECT_TX
 
@@ -776,13 +775,13 @@
 static INLINE TX_SIZE tx_size_from_tx_mode(BLOCK_SIZE bsize, TX_MODE tx_mode,
                                            int is_inter) {
   const TX_SIZE largest_tx_size = tx_mode_to_biggest_tx_size[tx_mode];
-#if CONFIG_VAR_TX || (CONFIG_EXT_TX && CONFIG_RECT_TX)
+#if (CONFIG_VAR_TX || CONFIG_EXT_TX) && CONFIG_RECT_TX
   const TX_SIZE max_rect_tx_size = max_txsize_rect_lookup[bsize];
 #else
   const TX_SIZE max_tx_size = max_txsize_lookup[bsize];
-#endif  // CONFIG_VAR_TX || (CONFIG_EXT_TX && CONFIG_RECT_TX)
+#endif  // (CONFIG_VAR_TX || CONFIG_EXT_TX) && CONFIG_RECT_TX
   (void)is_inter;
-#if CONFIG_VAR_TX
+#if CONFIG_VAR_TX && CONFIG_RECT_TX
 #if CONFIG_CB4X4
   if (bsize == BLOCK_4X4)
     return AOMMIN(max_txsize_lookup[bsize], largest_tx_size);
@@ -802,7 +801,7 @@
   }
 #else
   return AOMMIN(max_tx_size, largest_tx_size);
-#endif  // CONFIG_VAR_TX
+#endif  // CONFIG_VAR_TX && CONFIG_RECT_TX
 }
 
 #if CONFIG_EXT_INTRA
diff --git a/av1/common/common_data.h b/av1/common/common_data.h
index 7730411..6369386 100644
--- a/av1/common/common_data.h
+++ b/av1/common/common_data.h
@@ -455,7 +455,7 @@
 #endif  // CONFIG_TX64X64
 };
 
-#if CONFIG_RECT_TX
+#if CONFIG_RECT_TX && (CONFIG_EXT_TX || CONFIG_VAR_TX)
 static const TX_SIZE max_txsize_rect_lookup[BLOCK_SIZES] = {
 #if CONFIG_CB4X4
   // 2X2,    2X4,      4X2,
@@ -489,9 +489,9 @@
 };
 #else
 #define max_txsize_rect_lookup max_txsize_lookup
-#endif  // CONFIG_RECT_TX
+#endif  // CONFIG_RECT_TX && (CONFIG_EXT_TX || CONFIG_VAR_TX)
 
-#if (CONFIG_VAR_TX || CONFIG_RECT_TX)
+#if CONFIG_RECT_TX && (CONFIG_EXT_TX || CONFIG_VAR_TX)
 // Same as "max_txsize_lookup[bsize] - TX_8X8", except for rectangular
 // block which may use a rectangular transform, in which  case it is
 // "(max_txsize_lookup[bsize] + 1) - TX_8X8", invalid for bsize < 8X8
@@ -564,7 +564,7 @@
 #endif  // CONFIG_EXT_PARTITION
 #endif  // CONFIG_TX64X64
 };
-#endif  // CONFIG_VAR_TX && CONFIG_RECT_TX
+#endif  // CONFIG_RECT_TX && (CONFIG_EXT_TX || CONFIG_VAR_TX)
 
 #define inter_tx_size_cat_lookup intra_tx_size_cat_lookup
 
diff --git a/av1/common/reconintra.c b/av1/common/reconintra.c
index ade5222..01a3480 100644
--- a/av1/common/reconintra.c
+++ b/av1/common/reconintra.c
@@ -2262,7 +2262,7 @@
     predict_square_intra_block(xd, wpx, hpx, tx_size, mode, ref, ref_stride,
                                dst, dst_stride, col_off, row_off, plane);
   } else {
-#if (CONFIG_VAR_TX || CONFIG_RECT_TX) || \
+#if (CONFIG_RECT_TX && (CONFIG_VAR_TX || CONFIG_EXT_TX)) || \
     (CONFIG_EXT_INTER && USE_RECT_INTERINTRA)
 #if CONFIG_AOM_HIGHBITDEPTH
     uint16_t tmp16[MAX_SB_SIZE];
@@ -2384,7 +2384,8 @@
     }
 #else
     assert(0);
-#endif  // CONFIG_EXT_TX && CONFIG_RECT_TX
+#endif  // (CONFIG_RECT_TX && (CONFIG_VAR_TX || CONFIG_EXT_TX)) ||
+        // (CONFIG_EXT_INTER && USE_RECT_INTERINTRA)
   }
 }
 
diff --git a/av1/common/scan.c b/av1/common/scan.c
index 9a09056..2377d90 100644
--- a/av1/common/scan.c
+++ b/av1/common/scan.c
@@ -6500,14 +6500,14 @@
     case TX_8X8: return fc->non_zero_prob_8X8[tx_type];
     case TX_16X16: return fc->non_zero_prob_16X16[tx_type];
     case TX_32X32: return fc->non_zero_prob_32X32[tx_type];
-#if CONFIG_VAR_TX || CONFIG_RECT_TX
+#if CONFIG_RECT_TX && (CONFIG_EXT_TX || CONFIG_VAR_TX)
     case TX_4X8: return fc->non_zero_prob_4X8[tx_type];
     case TX_8X4: return fc->non_zero_prob_8X4[tx_type];
     case TX_8X16: return fc->non_zero_prob_8X16[tx_type];
     case TX_16X8: return fc->non_zero_prob_16X8[tx_type];
     case TX_16X32: return fc->non_zero_prob_16X32[tx_type];
     case TX_32X16: return fc->non_zero_prob_32X16[tx_type];
-#endif
+#endif  // CONFIG_RECT_TX && (CONFIG_EXT_TX || CONFIG_VAR_TX)
     default: assert(0); return NULL;
   }
 }
@@ -6522,14 +6522,14 @@
     case TX_8X8: return fc->scan_8X8[tx_type];
     case TX_16X16: return fc->scan_16X16[tx_type];
     case TX_32X32: return fc->scan_32X32[tx_type];
-#if CONFIG_VAR_TX || CONFIG_RECT_TX
+#if CONFIG_RECT_TX && (CONFIG_EXT_TX || CONFIG_VAR_TX)
     case TX_4X8: return fc->scan_4X8[tx_type];
     case TX_8X4: return fc->scan_8X4[tx_type];
     case TX_8X16: return fc->scan_8X16[tx_type];
     case TX_16X8: return fc->scan_16X8[tx_type];
     case TX_16X32: return fc->scan_16X32[tx_type];
     case TX_32X16: return fc->scan_32X16[tx_type];
-#endif
+#endif  // CONFIG_RECT_TX && (CONFIG_EXT_TX || CONFIG_VAR_TX)
     default: assert(0); return NULL;
   }
 }
@@ -6544,14 +6544,14 @@
     case TX_8X8: return fc->iscan_8X8[tx_type];
     case TX_16X16: return fc->iscan_16X16[tx_type];
     case TX_32X32: return fc->iscan_32X32[tx_type];
-#if CONFIG_VAR_TX || CONFIG_RECT_TX
+#if CONFIG_RECT_TX && (CONFIG_EXT_TX || CONFIG_VAR_TX)
     case TX_4X8: return fc->iscan_4X8[tx_type];
     case TX_8X4: return fc->iscan_8X4[tx_type];
     case TX_8X16: return fc->iscan_8X16[tx_type];
     case TX_16X8: return fc->iscan_16X8[tx_type];
     case TX_16X32: return fc->iscan_16X32[tx_type];
     case TX_32X16: return fc->iscan_32X16[tx_type];
-#endif
+#endif  // CONFIG_RECT_TX && (CONFIG_EXT_TX || CONFIG_VAR_TX)
     default: assert(0); return NULL;
   }
 }
@@ -6566,14 +6566,14 @@
     case TX_8X8: return fc->nb_8X8[tx_type];
     case TX_16X16: return fc->nb_16X16[tx_type];
     case TX_32X32: return fc->nb_32X32[tx_type];
-#if CONFIG_VAR_TX || CONFIG_RECT_TX
+#if CONFIG_RECT_TX && (CONFIG_EXT_TX || CONFIG_VAR_TX)
     case TX_4X8: return fc->nb_4X8[tx_type];
     case TX_8X4: return fc->nb_8X4[tx_type];
     case TX_8X16: return fc->nb_8X16[tx_type];
     case TX_16X8: return fc->nb_16X8[tx_type];
     case TX_16X32: return fc->nb_16X32[tx_type];
     case TX_32X16: return fc->nb_32X16[tx_type];
-#endif
+#endif  // CONFIG_RECT_TX && (CONFIG_EXT_TX || CONFIG_VAR_TX)
     default: assert(0); return NULL;
   }
 }
@@ -6588,14 +6588,14 @@
     case TX_8X8: return counts->non_zero_count_8X8[tx_type];
     case TX_16X16: return counts->non_zero_count_16X16[tx_type];
     case TX_32X32: return counts->non_zero_count_32X32[tx_type];
-#if CONFIG_VAR_TX || CONFIG_RECT_TX
+#if CONFIG_RECT_TX && (CONFIG_EXT_TX || CONFIG_VAR_TX)
     case TX_4X8: return counts->non_zero_count_4x8[tx_type];
     case TX_8X4: return counts->non_zero_count_8x4[tx_type];
     case TX_8X16: return counts->non_zero_count_8x16[tx_type];
     case TX_16X8: return counts->non_zero_count_16x8[tx_type];
     case TX_16X32: return counts->non_zero_count_16x32[tx_type];
     case TX_32X16: return counts->non_zero_count_32x16[tx_type];
-#endif
+#endif  // CONFIG_RECT_TX && (CONFIG_EXT_TX || CONFIG_VAR_TX)
     default: assert(0); return NULL;
   }
 }
@@ -6774,11 +6774,11 @@
   TX_SIZE tx_size;
   TX_TYPE tx_type;
   for (tx_size = 0; tx_size < TX_SIZES_ALL; ++tx_size) {
-#if !(CONFIG_VAR_TX || CONFIG_RECT_TX)
-    if (tx_size >= TX_SIZES) continue;
-#else
+#if CONFIG_RECT_TX && (CONFIG_EXT_TX || CONFIG_VAR_TX)
     if (tx_size > TX_32X16) continue;
-#endif
+#else
+    if (tx_size >= TX_SIZES) continue;
+#endif  // CONFIG_RECT_TX && (CONFIG_EXT_TX || CONFIG_VAR_TX)
     for (tx_type = DCT_DCT; tx_type < TX_TYPES; ++tx_type) {
       uint32_t *non_zero_prob = get_non_zero_prob(cm->fc, tx_size, tx_type);
       const int tx2d_size = tx_size_2d[tx_size];
@@ -6798,11 +6798,11 @@
 void av1_adapt_scan_order(AV1_COMMON *cm) {
   TX_SIZE tx_size;
   for (tx_size = 0; tx_size < TX_SIZES_ALL; ++tx_size) {
-#if !(CONFIG_VAR_TX || CONFIG_RECT_TX)
-    if (tx_size >= TX_SIZES) continue;
-#else
+#if CONFIG_RECT_TX && (CONFIG_EXT_TX || CONFIG_VAR_TX)
     if (tx_size > TX_32X16) continue;
-#endif  // !(CONFIG_VAR_TX || CONFIG_RECT_TX)
+#else
+    if (tx_size >= TX_SIZES) continue;
+#endif  // CONFIG_RECT_TX && (CONFIG_EXT_TX || CONFIG_VAR_TX)
     TX_TYPE tx_type;
     for (tx_type = DCT_DCT; tx_type < TX_TYPES; ++tx_type) {
       update_scan_prob(cm, tx_size, tx_type, ADAPT_SCAN_UPDATE_RATE_16);