Document cubic filter mode;

api/init.lua

@@ -10994,6 +10994,10 @@ return {
             {
               name = "linear",
               description = "A smooth appearance where neighboring pixels are averaged."
+            },
+            {
+              name = "cubic",
+              description = "An even smoother appearance, but slower and typically only available on mobile GPUs. Use `lovr.graphics.isFormatSupported('format', 'cubic')` to check for support for a specific format, or `lovr.graphics.getFeatures().cubic` to see if cubic filtering is supported at all.\n\nNote that this can only be used for `min` and `mag` options in sampler.  Trying to use this for the `mip` filter mode will silently fall back to `linear`."
             }
           }
         },
@@ -11225,6 +11229,10 @@ return {
             {
               name = "blit",
               description = "The Texture can be used with `Pass:blit` and `Pass:generateMipmaps`."
+            },
+            {
+              name = "cubic",
+              description = "The Texture can be used with a sampler that uses a `cubic` filter mode.  See `FilterMode`."
             }
           }
         },
@@ -11986,6 +11994,11 @@ return {
                       name = "int16",
                       type = "boolean",
                       description = "Whether shader code can use signed and unsigned 16-bit integers."
+                    },
+                    {
+                      name = "cubic",
+                      type = "boolean",
+                      description = "Whether the GPU supports cubic texture filtering.  To check for specific format support, use `lovr.graphics.isFormatSupported` with the `cubic` `TextureFeature`."
                     }
                   }
                 }
@@ -13485,7 +13498,7 @@ return {
           name = "newShader",
           tag = "graphics-objects",
           summary = "Create a new Shader.",
-          description = "Creates a Shader, which is a small program that runs on the GPU.\n\nShader code is usually written in GLSL and compiled to SPIR-V bytecode.  SPIR-V is faster to load but requires a build step.  Either form can be used to create a shader.\n\nBy default, the provided shader code is expected to implement a `void lovrmain() { ... }` function that is called for each vertex or fragment.  If the `raw` option is set to `true`, the code is treated as a raw shader and the `lovrmain` function is not required. In this case, the shader code is expected to implement its own `main` function.",
+          description = "Creates a Shader, which is a small program that runs on the GPU.\n\nShader code is usually written in GLSL and compiled to SPIR-V bytecode.  SPIR-V is faster to load but requires a build step.  Either form can be used to create a shader.\n\nBy default, the provided shader code is expected to implement a `vec4 lovrmain() { ... }` function that is called for each vertex or fragment.  If the `raw` option is set to `true`, the code is treated as a raw shader and the `lovrmain` function is not required. In this case, the shader code is expected to implement its own `main` function.",
           key = "lovr.graphics.newShader",
           module = "lovr.graphics",
           related = {

api/lovr/graphics/FilterMode.lua

@@ -9,6 +9,18 @@ return {
     {
       name = 'linear',
       description = 'A smooth appearance where neighboring pixels are averaged.'
+    },
+    {
+      name = 'cubic',
+      description = [[
+        An even smoother appearance, but slower and typically only available on mobile GPUs. Use
+        `lovr.graphics.isFormatSupported('format', 'cubic')` to check for support for a specific
+        format, or `lovr.graphics.getFeatures().cubic` to see if cubic filtering is supported at
+        all.
+
+        Note that this can only be used for `min` and `mag` options in sampler.  Trying to use this
+        for the `mip` filter mode will silently fall back to `linear`.
+      ]]
     }
   },
   related = {

api/lovr/graphics/TextureFeature.lua

@@ -26,6 +26,12 @@ return {
     {
       name = 'blit',
       description = 'The Texture can be used with `Pass:blit` and `Pass:generateMipmaps`.'
+    },
+    {
+      name = 'cubic',
+      description = [[
+        The Texture can be used with a sampler that uses a `cubic` filter mode.  See `FilterMode`.
+      ]]
     }
   }
 }

api/lovr/graphics/getFeatures.lua

@@ -69,6 +69,14 @@ return {
           name = 'int16',
           type = 'boolean',
           description = 'Whether shader code can use signed and unsigned 16-bit integers.'
+        },
+        {
+          name = 'cubic',
+          type = 'boolean',
+          description = [[
+            Whether the GPU supports cubic texture filtering.  To check for specific format support,
+            use `lovr.graphics.isFormatSupported` with the `cubic` `TextureFeature`.
+          ]]
         }
       }
     }