From 9b0950440a96ccebe91f8baf8bdfaa49c5c4abf5 Mon Sep 17 00:00:00 2001
From: twinaphex <libretro@gmail.com>
Date: Mon, 9 Jan 2017 03:01:59 +0100
Subject: [PATCH] Create menu_shader_manager_get_amount_passes

---
 menu/menu_displaylist.c | 11 +++--------
 menu/menu_shader.c      | 13 +++++++++++++
 menu/menu_shader.h      |  2 ++
 3 files changed, 18 insertions(+), 8 deletions(-)

diff --git a/menu/menu_displaylist.c b/menu/menu_displaylist.c
index 717c292650..06a6cda92f 100644
--- a/menu/menu_displaylist.c
+++ b/menu/menu_displaylist.c
@@ -52,6 +52,7 @@
 #include "menu_content.h"
 #include "menu_driver.h"
 #include "menu_navigation.h"
+#include "menu_shader.h"
 #include "widgets/menu_dialog.h"
 #include "widgets/menu_list.h"
 #include "widgets/menu_filebrowser.h"
@@ -1496,13 +1497,7 @@ static int menu_displaylist_parse_playlist(menu_displaylist_info_t *info,
 static int menu_displaylist_parse_shader_options(menu_displaylist_info_t *info)
 {
    unsigned i;
-   struct video_shader *shader = NULL;
-
-   menu_driver_ctl(RARCH_MENU_CTL_SHADER_GET,
-         &shader);
-
-   if (!shader)
-      return -1;
+   unsigned pass_count = menu_shader_manager_get_amount_passes();
 
    menu_entries_append_enum(info->list,
          msg_hash_to_str(MENU_ENUM_LABEL_VALUE_SHADER_APPLY_CHANGES),
@@ -1545,7 +1540,7 @@ static int menu_displaylist_parse_shader_options(menu_displaylist_info_t *info)
          MENU_ENUM_LABEL_VIDEO_SHADER_NUM_PASSES,
          0, 0, 0);
 
-   for (i = 0; i < shader->passes; i++)
+   for (i = 0; i < pass_count; i++)
    {
       char buf_tmp[64];
       char buf[64];
diff --git a/menu/menu_shader.c b/menu/menu_shader.c
index cf7b3b80a6..c146222226 100644
--- a/menu/menu_shader.c
+++ b/menu/menu_shader.c
@@ -41,6 +41,19 @@ static char default_cgp[PATH_MAX_LENGTH];
 static char default_slangp[PATH_MAX_LENGTH];
 #endif
 
+unsigned menu_shader_manager_get_amount_passes(void)
+{
+   struct video_shader *shader = NULL;
+
+   menu_driver_ctl(RARCH_MENU_CTL_SHADER_GET,
+         &shader);
+
+   if (!shader)
+      return 0;
+
+   return shader->passes;
+}
+
 /**
  * menu_shader_manager_init:
  *
diff --git a/menu/menu_shader.h b/menu/menu_shader.h
index 5110b62d5c..1e5fac18ab 100644
--- a/menu/menu_shader.h
+++ b/menu/menu_shader.h
@@ -21,6 +21,8 @@
 
 RETRO_BEGIN_DECLS
 
+unsigned menu_shader_manager_get_amount_passes(void);
+
 /**
  * menu_shader_manager_init:
  *