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diff --git a/package.json b/package.json
index 4afc4d8c859021f5bf8a3fa7c2fb77ab3a480ad1..1eff2e34706a533005cd829c631690ce63d3388f 100644
--- a/package.json
+++ b/package.json
@@ -22,7 +22,7 @@
     "src/*"
   ],
   "type": "module",
-  "exports": "./dist/index.js",
+  "exports": "./src/index.ts",
   "sideEffects": false,
   "devDependencies": {
     "@types/node": "^20.4.2",
diff --git a/src/Sampler.ts b/src/Sampler.ts
index c0fdef75bcddb0c704b19dd1066712a5cc3c2e51..e6dbc0276ccfde53023c1feb6e6423fca6fc43f5 100644
--- a/src/Sampler.ts
+++ b/src/Sampler.ts
@@ -1,7 +1,7 @@
 /**
  * Represents a texel filter.
  */
-export type Filter = 'nearest' | 'linear'
+export type Filter = 'nearest' | 'linear' | 'nearestMipmapNearest' | 'nearestMipmapLinear' | 'linearMipmapNearest' | 'linearMipmapLinear'
 
 /**
  * Represents a wrapping mode.
diff --git a/src/WebGLRenderer.ts b/src/WebGLRenderer.ts
index 28c182b54334be0b8bfb07b32e94aabaef879fac..8d545aec1a63b93fe525da70ebffd6eedbd74c8c 100644
--- a/src/WebGLRenderer.ts
+++ b/src/WebGLRenderer.ts
@@ -42,10 +42,18 @@ const GL_RASTERIZER_DISCARD = 0x8c89
 
 const GL_NEAREST = 0x2600
 const GL_LINEAR = 0x2601
+const GL_NEAREST_MIPMAP_NEAREST = 0x2700
+const GL_NEAREST_MIPMAP_LINEAR = 0x2702
+const GL_LINEAR_MIPMAP_NEAREST = 0x2701
+const GL_LINEAR_MIPMAP_LINEAR = 0x2703
 
 const GL_FILTERS: Record<Filter, number> = {
   nearest: GL_NEAREST,
   linear: GL_LINEAR,
+  nearestMipmapNearest: GL_NEAREST_MIPMAP_NEAREST,
+  nearestMipmapLinear: GL_NEAREST_MIPMAP_LINEAR,
+  linearMipmapNearest: GL_LINEAR_MIPMAP_NEAREST,
+  linearMipmapLinear: GL_LINEAR_MIPMAP_LINEAR,
 } as const
 
 const GL_REPEAT = 0x2901
@@ -266,6 +274,10 @@ export class WebGLRenderer {
           this.gl.samplerParameteri(target, anisotropyExt.TEXTURE_MAX_ANISOTROPY_EXT, sampler.anisotropy)
       }
 
+      if (sampler.magFilter.includes('Mipmap') || sampler.minFilter.includes('Mipmap')) {
+        this.gl.generateMipmap(GL_TEXTURE_2D)
+      }
+
       this.gl.samplerParameteri(target, GL_TEXTURE_MAG_FILTER, GL_FILTERS[sampler.magFilter])
       this.gl.samplerParameteri(target, GL_TEXTURE_MIN_FILTER, GL_FILTERS[sampler.minFilter])