Anisotropic filtering param

README.md

@@ -379,6 +379,7 @@ Parameters that are enabled by default have to be explicitly disabled. These (cu
 | `wine_color`                       | Change color of the wine/proton text                                                  |
 | `wine`                             | Shows current Wine or Proton version in use                                           |
 | `picmip`                           | Mip-map LoD bias. Negative values will increase texture sharpness (and aliasing). Positive values will increase texture blurriness (-16 to 16) |
+| `af`                               | Anisotropic filtering level. Improves sharpness of textures viewed at an angle (0 to 16)        |
 
 Example: `MANGOHUD_CONFIG=cpu_temp,gpu_temp,position=top-right,height=500,font_size=32`
 Because comma is also used as option delimiter and needs to be escaped for values with a backslash, you can use `+` like `MANGOHUD_CONFIG=fps_limit=60+30+0` instead.

src/overlay_params.cpp

@@ -420,6 +420,7 @@ parse_gl_size_query(const char *str)
 #define parse_fcat_overlay_width(s) parse_unsigned(s)
 #define parse_fcat_screen_edge(s) parse_unsigned(s)
 #define parse_picmip(s) parse_signed(s)
+#define parse_af(s) parse_signed(s)
 
 #define parse_cpu_color(s) parse_color(s)
 #define parse_gpu_color(s) parse_color(s)
@@ -647,6 +648,7 @@ parse_overlay_config(struct overlay_params *params,
    params->battery_color =0xff9078;
    params->fsr_steam_sharpness = -1;
    params->picmip = 0;
+   params->af = -1;
 
 #ifdef HAVE_X11
    params->toggle_hud = { XK_Shift_R, XK_F12 };

src/overlay_params.h

@@ -165,6 +165,7 @@ typedef unsigned long KeySym;
    OVERLAY_PARAM_CUSTOM(fcat_screen_edge)            \
    OVERLAY_PARAM_CUSTOM(fcat_overlay_width)          \
    OVERLAY_PARAM_CUSTOM(picmip)                      \
+   OVERLAY_PARAM_CUSTOM(af)                          \
 
 enum overlay_param_position {
    LAYER_POSITION_TOP_LEFT,
@@ -278,7 +279,7 @@ struct overlay_params {
    unsigned short fcat_screen_edge;
    unsigned short fcat_overlay_width;
    int picmip;
-
+   int af;
    size_t font_params_hash;
 };
 

src/vulkan.cpp

@@ -1938,8 +1938,15 @@ static VkResult overlay_CreateSampler(
 	const VkAllocationCallbacks* pAllocator,
 	VkSampler*                   pSampler)
 {
+   auto params = HUDElements.params;
 	VkSamplerCreateInfo sampler = *pCreateInfo;
-   sampler.mipLodBias = HUDElements.params->picmip;
+   sampler.mipLodBias = params->picmip;
+
+   if (params->af > 0){
+      sampler.anisotropyEnable = VK_TRUE;
+      sampler.maxAnisotropy = params->af;
+   } else if (params->af == 0)
+      sampler.anisotropyEnable = VK_FALSE;
 
 	struct device_data *device_data = FIND(struct device_data, device);
 	VkResult result = device_data->vtable.CreateSampler(device, &sampler, pAllocator, pSampler);