[core] add texture bindings to draw call invocations

1 files changed, 35 insertions, 0 deletions

diff --git a/src/mbgl/gfx/texture.hpp b/src/mbgl/gfx/texture.hpp
index ca5ab5d5d5..bbda44a8fb 100644
--- a/src/mbgl/gfx/texture.hpp
+++ b/src/mbgl/gfx/texture.hpp
@@ -2,6 +2,8 @@
 
 #include <mbgl/gfx/types.hpp>
 #include <mbgl/util/size.hpp>
+#include <mbgl/util/type_list.hpp>
+#include <mbgl/util/indexed_tuple.hpp>
 
 #include <memory>
 
@@ -29,5 +31,38 @@ public:
     std::unique_ptr<const TextureResource> resource;
 };
 
+class TextureBinding {
+public:
+    TextureBinding(const TextureResource& resource_,
+                   TextureFilterType filter_ = TextureFilterType::Nearest,
+                   TextureMipMapType mipmap_ = TextureMipMapType::No,
+                   TextureWrapType wrapX_ = TextureWrapType::Clamp,
+                   TextureWrapType wrapY_ = TextureWrapType::Clamp)
+        : resource(&resource_), filter(filter_), mipmap(mipmap_), wrapX(wrapX_), wrapY(wrapY_) {
+    }
+
+    const TextureResource* resource;
+    TextureFilterType filter;
+    TextureMipMapType mipmap;
+    TextureWrapType wrapX;
+    TextureWrapType wrapY;
+};
+
+namespace detail {
+
+template <class>
+class TextureBindings;
+
+template <class... Ts>
+class TextureBindings<TypeList<Ts...>> {
+public:
+    using Type = IndexedTuple<TypeList<Ts...>, TypeList<ExpandToType<Ts, TextureBinding>...>>;
+};
+
+} // namespace detail
+
+template <class TextureTypeList>
+using TextureBindings = typename detail::TextureBindings<TextureTypeList>::Type;
+
 } // namespace gfx
 } // namespace mbgl