1 files changed, 58 insertions, 0 deletions
diff --git a/src/mbgl/renderer/buckets/hillshade_bucket.hpp b/src/mbgl/renderer/buckets/hillshade_bucket.hpp
new file mode 100644
index 0000000000..3d9f6c61af
--- /dev/null
+++ b/src/mbgl/renderer/buckets/hillshade_bucket.hpp
@@ -0,0 +1,58 @@
+#pragma once
+
+#include <mbgl/gl/index_buffer.hpp>
+#include <mbgl/gl/texture.hpp>
+#include <mbgl/gl/vertex_buffer.hpp>
+#include <mbgl/programs/hillshade_program.hpp>
+#include <mbgl/programs/hillshade_prepare_program.hpp>
+#include <mbgl/renderer/bucket.hpp>
+#include <mbgl/renderer/tile_mask.hpp>
+#include <mbgl/geometry/dem_data.hpp>
+#include <mbgl/util/image.hpp>
+#include <mbgl/util/mat4.hpp>
+#include <mbgl/util/optional.hpp>
+
+namespace mbgl {
+
+class HillshadeBucket : public Bucket {
+public:
+    HillshadeBucket(PremultipliedImage&&);
+    HillshadeBucket(std::shared_ptr<PremultipliedImage>);
+    HillshadeBucket(DEMData&&);
+
+
+    void upload(gl::Context&) override;
+    bool hasData() const override;
+
+    void clear();
+    void setMask(TileMask&&);
+
+    optional<gl::Texture> dem;
+    optional<gl::Texture> texture;
+
+    TileMask mask{ { 0, 0, 0 } };
+
+    const DEMData& getDEMData() const;
+    DEMData& getDEMData();
+
+    bool isPrepared() const {
+        return prepared;
+    }
+
+    void setPrepared (bool preparedState) {
+        prepared = preparedState;
+    }
+
+    // Raster-DEM Tile Sources use the default buffers from Painter
+    gl::VertexVector<HillshadeLayoutVertex> vertices;
+    gl::IndexVector<gl::Triangles> indices;
+    SegmentVector<HillshadeAttributes> segments;
+
+    optional<gl::VertexBuffer<HillshadeLayoutVertex>> vertexBuffer;
+    optional<gl::IndexBuffer<gl::Triangles>> indexBuffer;
+private: 
+    DEMData demdata;
+    bool prepared = false;
+};
+
+} // namespace mbgl