Review cubemap generation

src/rlgl.h

@@ -2027,10 +2027,10 @@ unsigned int rlLoadTextureCubemap(void *data, int size, int format)
     unsigned int glInternalFormat, glFormat, glType;
     rlGetGlTextureFormats(format, &glInternalFormat, &glFormat, &glType);
 
-    // Load cubemap faces
-    for (unsigned int i = 0; i < 6; i++)
+    if (glInternalFormat != -1)
     {
-        if (glInternalFormat != -1)
+        // Load cubemap faces
+        for (unsigned int i = 0; i < 6; i++)
         {
             if (format < COMPRESSED_DXT1_RGB) glTexImage2D(GL_TEXTURE_CUBE_MAP_POSITIVE_X + i, 0, glInternalFormat, size, size, 0, glFormat, glType, (unsigned char *)data + i*dataSize);
 #if !defined(GRAPHICS_API_OPENGL_11)

src/textures.c

@@ -1206,12 +1206,9 @@ TextureCubemap LoadTextureCubemap(Image image, int layoutType)
         cubemap.height = cubemap.width;
     }
 
-    int size = cubemap.width;
-
     if (layoutType != CUBEMAP_AUTO_DETECT)
     {
-        //unsigned int dataSize = GetPixelDataSize(size, size, format);
-        //void *facesData = malloc(size*size*dataSize*6);    // Get memory for 6 faces in a column
+        int size = cubemap.width;
 
         Image faces = { 0 };                // Vertical column image
         Rectangle faceRecs[6] = { 0 };      // Face source rectangles
@@ -1225,6 +1222,7 @@ TextureCubemap LoadTextureCubemap(Image image, int layoutType)
         else if (layoutType == CUBEMAP_PANORAMA)
         {
             // TODO: Convert panorama image to square faces...
+            // Ref: https://github.com/denivip/panorama/blob/master/panorama.cpp
         }
         else
         {