1 files changed, 53 insertions, 0 deletions
diff --git a/src/mbgl/renderer/layers/render_circle_layer.cpp b/src/mbgl/renderer/layers/render_circle_layer.cpp
index 51a5ecd7d6..fe2e7cd42d 100644
--- a/src/mbgl/renderer/layers/render_circle_layer.cpp
+++ b/src/mbgl/renderer/layers/render_circle_layer.cpp
@@ -1,5 +1,10 @@
 #include <mbgl/renderer/layers/render_circle_layer.hpp>
 #include <mbgl/renderer/buckets/circle_bucket.hpp>
+#include <mbgl/renderer/render_tile.hpp>
+#include <mbgl/renderer/paint_parameters.hpp>
+#include <mbgl/programs/programs.hpp>
+#include <mbgl/programs/circle_program.hpp>
+#include <mbgl/tile/tile.hpp>
 #include <mbgl/style/layers/circle_layer_impl.hpp>
 #include <mbgl/geometry/feature_index.hpp>
 #include <mbgl/util/math.hpp>
@@ -7,6 +12,8 @@
 
 namespace mbgl {
 
+using namespace style;
+
 RenderCircleLayer::RenderCircleLayer(Immutable<style::CircleLayer::Impl> _impl)
     : RenderLayer(style::LayerType::Circle, _impl),
       unevaluated(impl().paint.untransitioned()) {
@@ -40,6 +47,52 @@ bool RenderCircleLayer::hasTransition() const {
     return unevaluated.hasTransition();
 }
 
+void RenderCircleLayer::render(PaintParameters& parameters, RenderSource*) {
+    if (parameters.pass == RenderPass::Opaque) {
+        return;
+    }
+
+    const bool scaleWithMap = evaluated.get<CirclePitchScale>() == CirclePitchScaleType::Map;
+    const bool pitchWithMap = evaluated.get<CirclePitchAlignment>() == AlignmentType::Map;
+
+    for (const RenderTile& tile : renderTiles) {
+        assert(dynamic_cast<CircleBucket*>(tile.tile.getBucket(*baseImpl)));
+        CircleBucket& bucket = *reinterpret_cast<CircleBucket*>(tile.tile.getBucket(*baseImpl));
+
+        parameters.programs.circle.get(evaluated).draw(
+            parameters.context,
+            gl::Triangles(),
+            parameters.depthModeForSublayer(0, gl::DepthMode::ReadOnly),
+            parameters.mapMode != MapMode::Continuous
+                ? parameters.stencilModeForClipping(tile.clip)
+                : gl::StencilMode::disabled(),
+            parameters.colorModeForRenderPass(),
+            CircleProgram::UniformValues {
+                uniforms::u_matrix::Value{
+                    tile.translatedMatrix(evaluated.get<CircleTranslate>(),
+                                          evaluated.get<CircleTranslateAnchor>(),
+                                          parameters.state)
+                },
+                uniforms::u_scale_with_map::Value{ scaleWithMap },
+                uniforms::u_extrude_scale::Value{ pitchWithMap
+                    ? std::array<float, 2> {{
+                        tile.id.pixelsToTileUnits(1, parameters.state.getZoom()),
+                        tile.id.pixelsToTileUnits(1, parameters.state.getZoom()) }}
+                    : parameters.pixelsToGLUnits },
+                uniforms::u_camera_to_center_distance::Value{ parameters.state.getCameraToCenterDistance() },
+                uniforms::u_pitch_with_map::Value{ pitchWithMap }
+            },
+            *bucket.vertexBuffer,
+            *bucket.indexBuffer,
+            bucket.segments,
+            bucket.paintPropertyBinders.at(getID()),
+            evaluated,
+            parameters.state.getZoom(),
+            getID()
+        );
+    }
+}
+
 bool RenderCircleLayer::queryIntersectsFeature(
         const GeometryCoordinates& queryGeometry,
         const GeometryTileFeature& feature,