diff --git a/src/gx/Texture.cpp b/src/gx/Texture.cpp
index a8b71ed..a009894 100644
--- a/src/gx/Texture.cpp
+++ b/src/gx/Texture.cpp
@@ -40,7 +40,7 @@ void AsyncTextureWait(CTexture* texture) {
 uint32_t CalcLevelCount(uint32_t width, uint32_t height) {
     uint32_t v2 = width;
     uint32_t v3 = height;
-    uint32_t levels = 1;
+    uint32_t v4 = 1;
     uint32_t v5;
     uint32_t v6;
 
@@ -51,7 +51,7 @@ uint32_t CalcLevelCount(uint32_t width, uint32_t height) {
     while (v2 > 1 || v3 > 1) {
         v5 = v2 >> 1;
 
-        ++levels;
+        ++v4;
 
         v6 = v2 >> 1 < 1;
         v2 = 1;
@@ -67,7 +67,7 @@ uint32_t CalcLevelCount(uint32_t width, uint32_t height) {
         }
     }
 
-    return levels;
+    return v4;
 }
 
 uint32_t CalcLevelOffset(uint32_t level, uint32_t width, uint32_t height, uint32_t fourCC) {
@@ -84,7 +84,7 @@ uint32_t CalcLevelSize(uint32_t level, uint32_t width, uint32_t height, uint32_t
     uint32_t v4 = std::max(width >> level, 1u);
     uint32_t v5 = std::max(height >> level, 1u);
 
-    if (fourCC == PIXEL_DXT1 || fourCC == PIXEL_DXT3 || fourCC == PIXEL_DXT5) {
+    if (fourCC == 0 || fourCC == 1 || fourCC == 7) {
         if (v4 == 6 * v5) {
             if (v5 <= 4) {
                 v5 = 4;
@@ -104,7 +104,7 @@ uint32_t CalcLevelSize(uint32_t level, uint32_t width, uint32_t height, uint32_t
 
     uint32_t size;
 
-    if (fourCC == PIXEL_ARGB2565) {
+    if (fourCC == 9) {
         uint32_t v6 = v5 * v4;
         uint32_t v7 = v5 * v4 >> 2;
 
@@ -159,34 +159,23 @@ void FillInSolidTexture(const CImVector& color, CTexture* texture) {
 
 uint32_t GetBitDepth(uint32_t fourCC) {
     switch (fourCC) {
-        case PIXEL_DXT1:
+        case 0:
             return 4;
 
-        case PIXEL_DXT3:
-        case PIXEL_A8:
-        case PIXEL_DXT5:
+        case 1:
+        case 6:
+        case 7:
             return 8;
 
-        case PIXEL_ARGB8888:
+        case 2:
             return 32;
 
-        case PIXEL_ARGB1555:
-        case PIXEL_ARGB4444:
-        case PIXEL_RGB565:
+        case 3:
+        case 4:
+        case 5:
             return 16;
 
         default:
-            #ifndef NDEBUG
-            SErrDisplayError(
-                0x85100000,
-                __FILE__,
-                __LINE__,
-                "!\"GetBitDepth(): unhandled format\"",
-                0,
-                1u,
-                1
-            );
-            #endif
             return 0;
     }
 }