From 6b31bd8b48241bcb9a360e02dd255ba406165afe Mon Sep 17 00:00:00 2001
From: twinaphex <libretro@gmail.com>
Date: Tue, 24 Apr 2018 15:14:06 +0200
Subject: [PATCH] Only show Menu Linear Filter for RGUI and only show it for
 video drivers that implement it

---
 gfx/drivers/d3d10.c | 11 ++++++++++-
 gfx/drivers/d3d11.c | 11 ++++++++++-
 gfx/drivers/d3d12.c | 11 ++++++++++-
 gfx/drivers/d3d8.c  |  1 +
 gfx/drivers/d3d9.c  |  1 +
 gfx/drivers/gl.c    |  1 +
 gfx/video_driver.h  |  3 ++-
 menu/menu_setting.c | 47 ++++++++++++++++++++++++++++++---------------
 8 files changed, 67 insertions(+), 19 deletions(-)

diff --git a/gfx/drivers/d3d10.c b/gfx/drivers/d3d10.c
index 1e09d00a2b..ea557a2084 100644
--- a/gfx/drivers/d3d10.c
+++ b/gfx/drivers/d3d10.c
@@ -1583,8 +1583,17 @@ d3d10_get_hw_render_interface(void* data, const struct retro_hw_render_interface
 }
 #endif
 
+static uint32_t d3d10_get_flags(void *data)
+{
+   uint32_t             flags = 0;
+
+   BIT32_SET(flags, GFX_CTX_FLAGS_MENU_FRAME_FILTERING);
+
+   return flags;
+}
+
 static const video_poke_interface_t d3d10_poke_interface = {
-   NULL, /* get_flags */
+   d3d10_get_flags,
    NULL, /* set_coords */
    NULL, /* set_mvp */
    d3d10_gfx_load_texture,
diff --git a/gfx/drivers/d3d11.c b/gfx/drivers/d3d11.c
index f90b7bc532..e9fc4b71f1 100644
--- a/gfx/drivers/d3d11.c
+++ b/gfx/drivers/d3d11.c
@@ -1604,8 +1604,17 @@ d3d11_get_hw_render_interface(void* data, const struct retro_hw_render_interface
    return d3d11->hw.enable;
 }
 
+static uint32_t d3d11_get_flags(void *data)
+{
+   uint32_t             flags = 0;
+
+   BIT32_SET(flags, GFX_CTX_FLAGS_MENU_FRAME_FILTERING);
+
+   return flags;
+}
+
 static const video_poke_interface_t d3d11_poke_interface = {
-   NULL, /* get_flags */
+   d3d11_get_flags,
    NULL, /* set_coords */
    NULL, /* set_mvp */
    d3d11_gfx_load_texture,
diff --git a/gfx/drivers/d3d12.c b/gfx/drivers/d3d12.c
index 5474cea885..4f7e884c0c 100644
--- a/gfx/drivers/d3d12.c
+++ b/gfx/drivers/d3d12.c
@@ -1750,8 +1750,17 @@ static void d3d12_gfx_unload_texture(void* data, uintptr_t handle)
    free(texture);
 }
 
+static uint32_t d3d12_get_flags(void *data)
+{
+   uint32_t             flags = 0;
+
+   BIT32_SET(flags, GFX_CTX_FLAGS_MENU_FRAME_FILTERING);
+
+   return flags;
+}
+
 static const video_poke_interface_t d3d12_poke_interface = {
-   NULL, /* get_flags */
+   d3d12_get_flags,
    NULL, /* set_coords */
    NULL, /* set_mvp */
    d3d12_gfx_load_texture,
diff --git a/gfx/drivers/d3d8.c b/gfx/drivers/d3d8.c
index f21c2cc3c2..c39a70cd3c 100644
--- a/gfx/drivers/d3d8.c
+++ b/gfx/drivers/d3d8.c
@@ -1872,6 +1872,7 @@ static uint32_t d3d8_get_flags(void *data)
    uint32_t             flags = 0;
 
    BIT32_SET(flags, GFX_CTX_FLAGS_BLACK_FRAME_INSERTION);
+   BIT32_SET(flags, GFX_CTX_FLAGS_MENU_FRAME_FILTERING);
 
    return flags;
 }
diff --git a/gfx/drivers/d3d9.c b/gfx/drivers/d3d9.c
index a06452f309..5902a65612 100644
--- a/gfx/drivers/d3d9.c
+++ b/gfx/drivers/d3d9.c
@@ -1899,6 +1899,7 @@ static uint32_t d3d9_get_flags(void *data)
    uint32_t             flags = 0;
 
    BIT32_SET(flags, GFX_CTX_FLAGS_BLACK_FRAME_INSERTION);
+   BIT32_SET(flags, GFX_CTX_FLAGS_MENU_FRAME_FILTERING);
 
    return flags;
 }
diff --git a/gfx/drivers/gl.c b/gfx/drivers/gl.c
index 0cf00d7a7a..26335bd7d2 100644
--- a/gfx/drivers/gl.c
+++ b/gfx/drivers/gl.c
@@ -2608,6 +2608,7 @@ static uint32_t gl_get_flags(void *data)
       BIT32_SET(flags, GFX_CTX_FLAGS_HARD_SYNC);
 
    BIT32_SET(flags, GFX_CTX_FLAGS_BLACK_FRAME_INSERTION);
+   BIT32_SET(flags, GFX_CTX_FLAGS_MENU_FRAME_FILTERING);
 
    return flags;
 }
diff --git a/gfx/video_driver.h b/gfx/video_driver.h
index 90a93e6794..4563e9a3b7 100644
--- a/gfx/video_driver.h
+++ b/gfx/video_driver.h
@@ -115,7 +115,8 @@ enum display_flags
    GFX_CTX_FLAGS_MULTISAMPLING,
    GFX_CTX_FLAGS_CUSTOMIZABLE_SWAPCHAIN_IMAGES,
    GFX_CTX_FLAGS_HARD_SYNC,
-   GFX_CTX_FLAGS_BLACK_FRAME_INSERTION
+   GFX_CTX_FLAGS_BLACK_FRAME_INSERTION,
+   GFX_CTX_FLAGS_MENU_FRAME_FILTERING
 };
 
 enum shader_uniform_type
diff --git a/menu/menu_setting.c b/menu/menu_setting.c
index 38f3d7c406..e307387d48 100644
--- a/menu/menu_setting.c
+++ b/menu/menu_setting.c
@@ -5166,21 +5166,38 @@ static bool setting_append_list(
                SD_FLAG_ADVANCED
                );
 
-         CONFIG_BOOL(
-               list, list_info,
-               &settings->bools.menu_linear_filter,
-               MENU_ENUM_LABEL_MENU_LINEAR_FILTER,
-               MENU_ENUM_LABEL_VALUE_MENU_LINEAR_FILTER,
-               true,
-               MENU_ENUM_LABEL_VALUE_OFF,
-               MENU_ENUM_LABEL_VALUE_ON,
-               &group_info,
-               &subgroup_info,
-               parent_group,
-               general_write_handler,
-               general_read_handler,
-               SD_FLAG_ADVANCED
-               );
+         if (string_is_equal(settings->arrays.menu_driver, "rgui"))
+         {
+            gfx_ctx_flags_t flags;
+            bool setting_set = false;
+
+            if (video_driver_get_flags(&flags))
+               if (BIT32_GET(flags.flags, GFX_CTX_FLAGS_MENU_FRAME_FILTERING))
+                  setting_set = true;
+
+            flags.flags = 0;
+
+            if (video_context_driver_get_flags(&flags))
+               if (BIT32_GET(flags.flags, GFX_CTX_FLAGS_MENU_FRAME_FILTERING))
+                  setting_set = true;
+
+            if (setting_set)
+               CONFIG_BOOL(
+                     list, list_info,
+                     &settings->bools.menu_linear_filter,
+                     MENU_ENUM_LABEL_MENU_LINEAR_FILTER,
+                     MENU_ENUM_LABEL_VALUE_MENU_LINEAR_FILTER,
+                     true,
+                     MENU_ENUM_LABEL_VALUE_OFF,
+                     MENU_ENUM_LABEL_VALUE_ON,
+                     &group_info,
+                     &subgroup_info,
+                     parent_group,
+                     general_write_handler,
+                     general_read_handler,
+                     SD_FLAG_ADVANCED
+                     );
+         }
 
          if (string_is_equal(settings->arrays.menu_driver, "xmb"))
          {