From 046c2375e7b31c9968a5f0acc96c396086e37bfd Mon Sep 17 00:00:00 2001
From: libretroadmin <reallibretroretroarch@gmail.com>
Date: Tue, 10 Sep 2024 07:03:10 +0200
Subject: [PATCH] Downsize big char arrays in shader structs - a lot of these
 get allocated on the stack so this would cost a lot of memory

---
 gfx/video_shader_parse.h                      |  4 ++--
 libretro-common/include/retro_miscellaneous.h | 13 +++++++++++--
 2 files changed, 13 insertions(+), 4 deletions(-)

diff --git a/gfx/video_shader_parse.h b/gfx/video_shader_parse.h
index c1ecb1778b..30f50151c7 100644
--- a/gfx/video_shader_parse.h
+++ b/gfx/video_shader_parse.h
@@ -178,7 +178,7 @@ struct video_shader_pass
          char *vertex; /* Dynamically allocated. Must be free'd. */
          char *fragment; /* Dynamically allocated. Must be free'd. */
       } string;
-      char path[PATH_MAX_LENGTH];
+      char path[NAME_MAX_LENGTH*2];
    } source;
    char alias[64];
    uint8_t flags;
@@ -189,7 +189,7 @@ struct video_shader_lut
    unsigned filter;
    enum gfx_wrap_type wrap;
    char id[64];
-   char path[PATH_MAX_LENGTH];
+   char path[NAME_MAX_LENGTH*2];
    bool mipmap;
 };
 
diff --git a/libretro-common/include/retro_miscellaneous.h b/libretro-common/include/retro_miscellaneous.h
index 0ccc4e300a..24b18c938f 100644
--- a/libretro-common/include/retro_miscellaneous.h
+++ b/libretro-common/include/retro_miscellaneous.h
@@ -139,6 +139,14 @@ static INLINE bool bits_any_different(uint32_t *a, uint32_t *b, uint32_t count)
 #define DIR_MAX_LENGTH 256
 #endif
 
+/**
+ * An upper limit for the length of a file or directory (excluding parent directories).
+ * If a path has a component longer than this, it may not work properly.
+ */
+#ifndef NAME_MAX_LENGTH
+#define NAME_MAX_LENGTH 128
+#endif
+
 #else
 
 #ifndef PATH_MAX_LENGTH
@@ -149,8 +157,6 @@ static INLINE bool bits_any_different(uint32_t *a, uint32_t *b, uint32_t count)
 #define DIR_MAX_LENGTH 1024
 #endif
 
-#endif
-
 /**
  * An upper limit for the length of a file or directory (excluding parent directories).
  * If a path has a component longer than this, it may not work properly.
@@ -159,6 +165,9 @@ static INLINE bool bits_any_different(uint32_t *a, uint32_t *b, uint32_t count)
 #define NAME_MAX_LENGTH 256
 #endif
 
+#endif
+
+
 #ifndef MAX
 /**
  * @return \c a or \c b, whichever is larger.