1 files changed, 29 insertions, 17 deletions
diff --git a/src/mbgl/programs/symbol_program.hpp b/src/mbgl/programs/symbol_program.hpp
index c74837b121..8c59cfd5a2 100644
--- a/src/mbgl/programs/symbol_program.hpp
+++ b/src/mbgl/programs/symbol_program.hpp
@@ -7,6 +7,7 @@
 
 #include <mbgl/programs/attributes.hpp>
 #include <mbgl/programs/uniforms.hpp>
+#include <mbgl/programs/segment.hpp>
 #include <mbgl/shaders/symbol_icon.hpp>
 #include <mbgl/shaders/symbol_sdf.hpp>
 #include <mbgl/util/geometry.hpp>
@@ -306,30 +307,41 @@ public:
               gl::DepthMode depthMode,
               gl::StencilMode stencilMode,
               gl::ColorMode colorMode,
-              UniformValues&& uniformValues,
+              const UniformValues& uniformValues,
               const gl::VertexBuffer<LayoutVertex>& layoutVertexBuffer,
               const gl::VertexBuffer<SymbolDynamicLayoutAttributes::Vertex>& dynamicLayoutVertexBuffer,
               const SymbolSizeBinder& symbolSizeBinder,
               const gl::IndexBuffer<DrawMode>& indexBuffer,
-              const gl::SegmentVector<Attributes>& segments,
+              const SegmentVector<Attributes>& segments,
               const PaintPropertyBinders& paintPropertyBinders,
               const typename PaintProperties::PossiblyEvaluated& currentProperties,
               float currentZoom) {
-        program.draw(
-            context,
-            std::move(drawMode),
-            std::move(depthMode),
-            std::move(stencilMode),
-            std::move(colorMode),
-            uniformValues
-                .concat(symbolSizeBinder.uniformValues(currentZoom))
-                .concat(paintPropertyBinders.uniformValues(currentZoom, currentProperties)),
-            LayoutAttributes::bindings(layoutVertexBuffer)
-                .concat(SymbolDynamicLayoutAttributes::bindings(dynamicLayoutVertexBuffer))
-                .concat(paintPropertyBinders.attributeBindings(currentProperties)),
-            indexBuffer,
-            segments
-        );
+        typename AllUniforms::Values allUniformValues = uniformValues
+            .concat(symbolSizeBinder.uniformValues(currentZoom))
+            .concat(paintPropertyBinders.uniformValues(currentZoom, currentProperties));
+
+        typename Attributes::Bindings allAttributeBindings = LayoutAttributes::bindings(layoutVertexBuffer)
+            .concat(SymbolDynamicLayoutAttributes::bindings(dynamicLayoutVertexBuffer))
+            .concat(paintPropertyBinders.attributeBindings(currentProperties));
+
+        for (auto& segment : segments) {
+            if (!segment.vertexArray) {
+                segment.vertexArray = context.createVertexArray();
+            }
+
+            program.draw(
+                context,
+                std::move(drawMode),
+                std::move(depthMode),
+                std::move(stencilMode),
+                std::move(colorMode),
+                allUniformValues,
+                *segment.vertexArray,
+                Attributes::offsetBindings(allAttributeBindings, segment.vertexOffset),
+                indexBuffer,
+                segment.indexOffset,
+                segment.indexLength);
+        }
     }
 };