From cb6672b4526738625fd1c780d5df7b4c0899bf4d Mon Sep 17 00:00:00 2001
From: Ari Koivula <ari@koivu.la>
Date: Thu, 27 Oct 2016 02:07:10 +0300
Subject: [PATCH] Disable WPP when Tiles are enabled

Closes #142.
---
 src/cfg.c | 19 +++++++++++++++++++
 src/cli.c |  4 +++-
 2 files changed, 22 insertions(+), 1 deletion(-)

diff --git a/src/cfg.c b/src/cfg.c
index 104f90f1..86ebc869 100644
--- a/src/cfg.c
+++ b/src/cfg.c
@@ -655,18 +655,32 @@ int kvz_config_parse(kvz_config *cfg, const char *name, const char *value)
     cfg->cqmfile = strdup(value);
   else if OPT("tiles-width-split") {
     int retval = parse_tiles_specification(value, &cfg->tiles_width_count, &cfg->tiles_width_split);
+    
     if (cfg->tiles_width_count > 1 && cfg->tmvp_enable) {
       cfg->tmvp_enable = false;
       fprintf(stderr, "Disabling TMVP because tiles are used.\n");
     }
+
+    if (cfg->wpp) {
+      cfg->wpp = false;
+      fprintf(stderr, "Disabling WPP because tiles were enabled.\n");
+    }
+
     return retval;
   }
   else if OPT("tiles-height-split") {
     int retval = parse_tiles_specification(value, &cfg->tiles_height_count, &cfg->tiles_height_split);
+    
     if (cfg->tiles_height_count > 1 && cfg->tmvp_enable) {
       cfg->tmvp_enable = false;
       fprintf(stderr, "Disabling TMVP because tiles are used.\n");
     }
+
+    if (cfg->wpp) {
+      cfg->wpp = false;
+      fprintf(stderr, "Disabling WPP because tiles were enabled.\n");
+    }
+
     return retval;
   }
   else if OPT("tiles")
@@ -699,6 +713,11 @@ int kvz_config_parse(kvz_config *cfg, const char *name, const char *value)
       fprintf(stderr, "Disabling TMVP because tiles are used.\n");
     }
 
+    if (cfg->wpp) {
+      cfg->wpp = false;
+      fprintf(stderr, "Disabling WPP because tiles were enabled.\n");
+    }
+
     return 1;
   }
   else if OPT("wpp")
diff --git a/src/cli.c b/src/cli.c
index 527e5aba..15dc2e77 100644
--- a/src/cli.c
+++ b/src/cli.c
@@ -445,7 +445,9 @@ void print_help(void)
     "                                   in which case it produces rows of uniform height.\n"
     "\n"
     "  Wpp:\n"
-    "          --wpp                  : Enable wavefront parallel processing\n"
+    "          --wpp, --no-wpp        : Wavefront parallel processing [enabled]\n"
+    "                                   Enabling tiles automatically disabled WPP. To enable\n"
+    "                                   WPP with tiles, re-enable it after enabling tiles.\n"
     "          --owf <integer>|auto   : Number of parallel frames to process. 0 to disable.\n"
     "\n"
     /*"  Slices:\n"