1 files changed, 5 insertions, 2 deletions
diff --git a/src/mbgl/gl/texture_resource.hpp b/src/mbgl/gl/texture_resource.hpp
index ed742e75b7..494e5ae8a3 100644
--- a/src/mbgl/gl/texture_resource.hpp
+++ b/src/mbgl/gl/texture_resource.hpp
@@ -8,14 +8,17 @@ namespace gl {
 
 class TextureResource : public gfx::TextureResource {
 public:
-    TextureResource(UniqueTexture&& texture_) : texture(std::move(texture_)) {
-    }
+    TextureResource(UniqueTexture&& texture_, int byteSize_) : texture(std::move(texture_)), byteSize(byteSize_) {}
+    ~TextureResource();
+
+    static int getStorageSize(const Size& size, gfx::TexturePixelType format, gfx::TextureChannelDataType type);
 
     UniqueTexture texture;
     gfx::TextureFilterType filter = gfx::TextureFilterType::Nearest;
     gfx::TextureMipMapType mipmap = gfx::TextureMipMapType::No;
     gfx::TextureWrapType wrapX = gfx::TextureWrapType::Clamp;
     gfx::TextureWrapType wrapY = gfx::TextureWrapType::Clamp;
+    int byteSize;
 };
 
 } // namespace gl