Fixed bug texture loading

- During mipmap transfer to GPU, height would sometimes be 0. Fixed it using std::max

Assets/Shaders/UI_FS.glsl

@@ -37,7 +37,7 @@ layout(location = 1) out uint outEntityID;
 void main()
 {
   fragColor = texture(textures[nonuniformEXT(MatProp.data[In2.materialIndex].textureIndex)], In.uv);
-  if (fragColor.a < 0.01f)
+  if (fragColor.a < 0.1f)
   {
     discard;
   }

SHADE_Engine/src/Graphics/Images/SHVkImage.cpp

@@ -262,7 +262,7 @@ namespace SHADE
       copyRegions[i].imageSubresource.baseArrayLayer = 0; // TODO: Array textures not supported yet
       copyRegions[i].imageSubresource.layerCount = layerCount;
       copyRegions[i].imageOffset = vk::Offset3D{ 0,0,0 };
-      copyRegions[i].imageExtent = vk::Extent3D{ width >> i, height >> i, 1 };
+      copyRegions[i].imageExtent = vk::Extent3D{ std::max (1u, width >> i), std::max (1u, height >> i), 1 };
     }
 
     cmdBufferHdl->CopyBufferToImage(stagingBuffer, vkImage, copyRegions);

SHADE_Engine/src/Graphics/MiddleEnd/Textures/SHTextureLibrary.h

@@ -71,7 +71,7 @@ namespace SHADE
         //! of the texture library would mean the recreation of the desc set that also
         //! involves the generic data, which is bad bad bad. Solution is to separate the
         //! 2 desc sets. 
-        static constexpr uint32_t DEFAULT_MAX_TEXTURES = 2000;
+        static constexpr uint32_t DEFAULT_MAX_TEXTURES = 1000;
 
         /*-----------------------------------------------------------------------------*/
         /* Usage Functions                                                             */