From de29e057de26560ea17a7c2e24a434a4efd273f2 Mon Sep 17 00:00:00 2001
From: FlightlessMango <flightlessmangoyt@gmail.com>
Date: Sat, 1 Apr 2023 20:48:02 +0200
Subject: [PATCH] Trilinear filtering param

---
 README.md              | 1 +
 src/overlay_params.cpp | 2 ++
 src/overlay_params.h   | 1 +
 src/vulkan.cpp         | 6 ++++++
 4 files changed, 10 insertions(+)

diff --git a/README.md b/README.md
index 56b99696..845ca859 100644
--- a/README.md
+++ b/README.md
@@ -380,6 +380,7 @@ Parameters that are enabled by default have to be explicitly disabled. These (cu
 | `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)        |
+| `trilinear`                        | Force trilinear filtering                                                             |
 
 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.
diff --git a/src/overlay_params.cpp b/src/overlay_params.cpp
index daf32515..28ac8b58 100644
--- a/src/overlay_params.cpp
+++ b/src/overlay_params.cpp
@@ -552,6 +552,7 @@ parse_overlay_env(struct overlay_params *params,
          params->enabled[OVERLAY_PARAM_ENABLED_log_versioning] = 0;
          params->enabled[OVERLAY_PARAM_ENABLED_hud_compact] = 0;
          params->enabled[OVERLAY_PARAM_ENABLED_exec_name] = 0;
+         params->enabled[OVERLAY_PARAM_ENABLED_trilinear] = 0;
       }
 #define OVERLAY_PARAM_BOOL(name)                                       \
       if (!strcmp(#name, key)) {                                       \
@@ -707,6 +708,7 @@ parse_overlay_config(struct overlay_params *params,
          params->enabled[OVERLAY_PARAM_ENABLED_log_versioning] = 0;
          params->enabled[OVERLAY_PARAM_ENABLED_hud_compact] = 0;
          params->enabled[OVERLAY_PARAM_ENABLED_exec_name] = 0;
+         params->enabled[OVERLAY_PARAM_ENABLED_trilinear] = 0;
          params->options.erase("full");
       }
       for (auto& it : params->options) {
diff --git a/src/overlay_params.h b/src/overlay_params.h
index 654cf578..c697ba79 100644
--- a/src/overlay_params.h
+++ b/src/overlay_params.h
@@ -91,6 +91,7 @@ typedef unsigned long KeySym;
    OVERLAY_PARAM_BOOL(battery_watt)                  \
    OVERLAY_PARAM_BOOL(battery_time)                  \
    OVERLAY_PARAM_BOOL(exec_name)                     \
+   OVERLAY_PARAM_BOOL(trilinear)                     \
    OVERLAY_PARAM_CUSTOM(fps_sampling_period)         \
    OVERLAY_PARAM_CUSTOM(output_folder)               \
    OVERLAY_PARAM_CUSTOM(output_file)                 \
diff --git a/src/vulkan.cpp b/src/vulkan.cpp
index 13f9fbb3..d04e3d33 100644
--- a/src/vulkan.cpp
+++ b/src/vulkan.cpp
@@ -1948,6 +1948,12 @@ static VkResult overlay_CreateSampler(
    } else if (params->af == 0)
       sampler.anisotropyEnable = VK_FALSE;
 
+   if (params->enabled[OVERLAY_PARAM_ENABLED_trilinear]){
+      sampler.magFilter = VK_FILTER_LINEAR;
+      sampler.minFilter = VK_FILTER_LINEAR;
+      sampler.mipmapMode = VK_SAMPLER_MIPMAP_MODE_LINEAR;
+   }
+
 	struct device_data *device_data = FIND(struct device_data, device);
 	VkResult result = device_data->vtable.CreateSampler(device, &sampler, pAllocator, pSampler);