[core] add ability to render to offscreen textures

1 files changed, 23 insertions, 0 deletions

diff --git a/src/mbgl/util/offscreen_texture.hpp b/src/mbgl/util/offscreen_texture.hpp
new file mode 100644
index 0000000000..cceb938174
--- /dev/null
+++ b/src/mbgl/util/offscreen_texture.hpp
@@ -0,0 +1,23 @@
+#pragma once
+
+#include <mbgl/util/raster.hpp>
+
+namespace mbgl {
+
+namespace gl {
+class Config;
+} // namespace gl
+
+class OffscreenTexture {
+public:
+    void bind(gl::ObjectStore&, gl::Config&, std::array<uint16_t, 2> size);
+
+    Raster& getTexture();
+    std::array<uint16_t, 2> getSize() const;
+
+private:
+    mbgl::optional<gl::UniqueFBO> fbo;
+    Raster raster;
+};
+
+} // namespace mbgl