diff --git a/src/gx/Texture.cpp b/src/gx/Texture.cpp
index 35b5653..f143dd1 100644
--- a/src/gx/Texture.cpp
+++ b/src/gx/Texture.cpp
@@ -31,6 +31,19 @@ namespace Texture {
     };
 }
 
+int32_t s_pixelFormatToMipBitsCache[NUM_PIXEL_FORMATS] = {
+    -1,     // PIXEL_DXT1
+    -1,     // PIXEL_DXT3
+    -1,     // PIXEL_ARGB8888
+    0,      // PIXEL_ARGB1555
+    0,      // PIXEL_ARGB4444
+    0,      // PIXEL_RGB565
+    -1,     // PIXEL_A8
+    -1,     // PIXEL_DXT5
+    -1,     // PIXEL_UNSPECIFIED
+    1,      // PIXEL_ARGB2565
+};
+
 static CImVector CRAPPY_GREEN = { 0x00, 0xFF, 0x00, 0xFF };
 
 void AsyncTextureWait(CTexture* texture) {
@@ -351,6 +364,17 @@ CGxTex* TextureAllocGxTex(EGxTexTarget target, uint32_t width, uint32_t height,
     return nullptr;
 }
 
+MipBits* TextureAllocMippedImg(PIXEL_FORMAT pixelFormat, uint32_t width, uint32_t height) {
+    auto cache = s_pixelFormatToMipBitsCache[pixelFormat];
+
+    if (width < 8 || height < 8 || width > 256 || height > 256 || cache == -1) {
+        return MippedImgAllocA(pixelFormat, width, height, __FILE__, __LINE__);
+    }
+
+    // TODO
+    return nullptr;
+}
+
 void GxTexUpdate(CGxTex* texId, int32_t minX, int32_t minY, int32_t maxX, int32_t maxY, int32_t immediate) {
     CiRect rect = { minY, minX, maxY, maxX };
     GxTexUpdate(texId, rect, immediate);
diff --git a/src/gx/Texture.hpp b/src/gx/Texture.hpp
index 8fa25d1..a518a17 100644
--- a/src/gx/Texture.hpp
+++ b/src/gx/Texture.hpp
@@ -47,6 +47,8 @@ uint32_t MippedImgCalcSize(uint32_t, uint32_t, uint32_t);
 
 CGxTex* TextureAllocGxTex(EGxTexTarget, uint32_t, uint32_t, uint32_t, EGxTexFormat, CGxTexFlags, void*, void (*userFunc)(EGxTexCommand, uint32_t, uint32_t, uint32_t, uint32_t, void*, uint32_t&, const void*&), EGxTexFormat);
 
+MipBits* TextureAllocMippedImg(PIXEL_FORMAT pixelFormat, uint32_t width, uint32_t height);
+
 HTEXTURE TextureCacheGetTexture(char*, char*, CGxTexFlags);
 
 HTEXTURE TextureCacheGetTexture(const CImVector&);