From a34c066e075775ff621a3c6d7d56e9d76bff0ace Mon Sep 17 00:00:00 2001
From: twinaphex <libretro@gmail.com>
Date: Mon, 26 Feb 2018 18:35:16 +0100
Subject: [PATCH] Hide glsl/cg shaders from Vulkan driver

---
 gfx/video_shader_parse.c | 38 ++++++++++++++++++++++++++++++++++++++
 1 file changed, 38 insertions(+)

diff --git a/gfx/video_shader_parse.c b/gfx/video_shader_parse.c
index 5bbf00aa1b..27a8db9e0a 100644
--- a/gfx/video_shader_parse.c
+++ b/gfx/video_shader_parse.c
@@ -1115,17 +1115,55 @@ enum rarch_shader_type video_shader_get_type_from_ext(
    *is_preset = false;
 
    if (string_is_equal_noncase(ext, "cg"))
+   {
+      switch (api)
+      {
+         case GFX_CTX_DIRECT3D8_API:
+         case GFX_CTX_VULKAN_API:
+            return RARCH_SHADER_NONE;
+         default:
+            break;
+      }
       return RARCH_SHADER_CG;
+   }
    if (string_is_equal_noncase(ext, "cgp"))
    {
       *is_preset = true;
+      switch (api)
+      {
+         case GFX_CTX_DIRECT3D8_API:
+         case GFX_CTX_VULKAN_API:
+            return RARCH_SHADER_NONE;
+         default:
+            break;
+      }
       return RARCH_SHADER_CG;
    }
    if (string_is_equal_noncase(ext, "glsl"))
+   {
+      switch (api)
+      {
+         case GFX_CTX_DIRECT3D8_API:
+         case GFX_CTX_DIRECT3D9_API:
+         case GFX_CTX_VULKAN_API:
+            return RARCH_SHADER_NONE;
+         default:
+            break;
+      }
       return RARCH_SHADER_GLSL;
+   }
    if (string_is_equal_noncase(ext, "glslp"))
    {
       *is_preset = true;
+      switch (api)
+      {
+         case GFX_CTX_DIRECT3D8_API:
+         case GFX_CTX_DIRECT3D9_API:
+         case GFX_CTX_VULKAN_API:
+            return RARCH_SHADER_NONE;
+         default:
+            break;
+      }
       return RARCH_SHADER_GLSL;
    }
    if (string_is_equal_noncase(ext, "slang"))