[core] add gfx::UploadPass, split startRender into prepare and upload

1 files changed, 31 insertions, 0 deletions

diff --git a/src/mbgl/renderer/upload_parameters.hpp b/src/mbgl/renderer/upload_parameters.hpp
new file mode 100644
index 0000000000..0328309927
--- /dev/null
+++ b/src/mbgl/renderer/upload_parameters.hpp
@@ -0,0 +1,31 @@
+#pragma once
+
+#include <unordered_map>
+#include <cstdint>
+
+namespace mbgl {
+
+class TransformState;
+class LineAtlas;
+class VariableOffset;
+using VariableOffsets = std::unordered_map<uint32_t, VariableOffset>;
+
+class UploadParameters {
+public:
+    UploadParameters(const TransformState& state_,
+                     const VariableOffsets& variableOffsets_,
+                     ImageManager& imageManager_,
+                     LineAtlas& lineAtlas_)
+        : state(state_),
+          variableOffsets(variableOffsets_),
+          imageManager(imageManager_),
+          lineAtlas(lineAtlas_) {
+    }
+
+    const TransformState& state;
+    const VariableOffsets& variableOffsets;
+    ImageManager& imageManager;
+    LineAtlas& lineAtlas;
+};
+
+} // namespace mbgl