4 files changed, 58 insertions, 32 deletions
diff --git a/src/mbgl/renderer/color_ramp_render_data.cpp b/src/mbgl/renderer/color_ramp_render_data.cpp
new file mode 100644
index 0000000000..960649dc1d
--- /dev/null
+++ b/src/mbgl/renderer/color_ramp_render_data.cpp
@@ -0,0 +1,30 @@
+#include <mbgl/renderer/color_ramp_render_data.hpp>
+
+#include <mbgl/gfx/upload_pass.hpp>
+#include <mbgl/style/color_ramp_property_value.hpp>
+
+namespace mbgl {
+
+ColorRampRenderData::ColorRampRenderData(const style::ColorRampPropertyValue& value) 
+    : image({256, 1}) {
+    assert(!value.isUndefined());
+    const auto length = image.bytes();
+
+    for (uint32_t i = 0; i < length; i += 4) {
+        const auto color = value.evaluate(static_cast<double>(i) / length);
+        image.data[i] = std::floor(color.r * 255);
+        image.data[i + 1] = std::floor(color.g * 255);
+        image.data[i + 2] = std::floor(color.b * 255);
+        image.data[i + 3] = std::floor(color.a * 255);
+    }
+}
+
+ColorRampRenderData::~ColorRampRenderData() = default;
+
+void ColorRampRenderData::upload(gfx::UploadPass& uploadPass) {
+    if (!texture) {
+        texture = uploadPass.createTexture(image);
+    }
+}
+
+} // namespace mbgl
diff --git a/src/mbgl/renderer/color_ramp_render_data.hpp b/src/mbgl/renderer/color_ramp_render_data.hpp
new file mode 100644
index 0000000000..39b130ffea
--- /dev/null
+++ b/src/mbgl/renderer/color_ramp_render_data.hpp
@@ -0,0 +1,26 @@
+#pragma once
+
+#include <mbgl/gfx/texture.hpp>
+#include <mbgl/util/image.hpp>
+#include <mbgl/util/optional.hpp>
+
+namespace mbgl {
+
+namespace style {
+class ColorRampPropertyValue;
+} // namespace style
+
+namespace gfx {
+class UploadPass;
+} // namespace gfx
+
+class ColorRampRenderData {
+public:
+    explicit ColorRampRenderData(const style::ColorRampPropertyValue&);
+    ~ColorRampRenderData();
+    void upload(gfx::UploadPass&);
+    const PremultipliedImage image;
+    optional<gfx::Texture> texture;
+};
+
+} // namespace mbgl
diff --git a/src/mbgl/renderer/layers/render_line_layer.cpp b/src/mbgl/renderer/layers/render_line_layer.cpp
index 05412fa49a..272cadfb97 100644
--- a/src/mbgl/renderer/layers/render_line_layer.cpp
+++ b/src/mbgl/renderer/layers/render_line_layer.cpp
@@ -1,5 +1,6 @@
 #include <mbgl/renderer/layers/render_line_layer.hpp>
 #include <mbgl/renderer/buckets/line_bucket.hpp>
+#include <mbgl/renderer/color_ramp_render_data.hpp>
 #include <mbgl/renderer/render_tile.hpp>
 #include <mbgl/renderer/render_source.hpp>
 #include <mbgl/renderer/upload_parameters.hpp>
@@ -20,26 +21,6 @@ namespace mbgl {
 
 using namespace style;
 
-ColorRampRenderData::ColorRampRenderData(const style::ColorRampPropertyValue& value) 
-    : image({256, 1}) {
-    assert(!value.isUndefined());
-    const auto length = image.bytes();
-
-    for (uint32_t i = 0; i < length; i += 4) {
-        const auto color = value.evaluate(static_cast<double>(i) / length);
-        image.data[i] = std::floor(color.r * 255);
-        image.data[i + 1] = std::floor(color.g * 255);
-        image.data[i + 2] = std::floor(color.b * 255);
-        image.data[i + 3] = std::floor(color.a * 255);
-    }
-}
-
-void ColorRampRenderData::upload(gfx::UploadPass& uploadPass) {
-    if (!texture) {
-        texture = uploadPass.createTexture(image);
-    }
-}
-
 inline const LineLayer::Impl& impl(const Immutable<style::Layer::Impl>& impl) {
     return static_cast<const LineLayer::Impl&>(*impl);
 }
diff --git a/src/mbgl/renderer/layers/render_line_layer.hpp b/src/mbgl/renderer/layers/render_line_layer.hpp
index cb2d7ebda2..e300f95e5b 100644
--- a/src/mbgl/renderer/layers/render_line_layer.hpp
+++ b/src/mbgl/renderer/layers/render_line_layer.hpp
@@ -6,21 +6,10 @@
 #include <mbgl/programs/uniforms.hpp>
 #include <mbgl/style/image_impl.hpp>
 #include <mbgl/layout/pattern_layout.hpp>
-#include <mbgl/gfx/texture.hpp>
 
 namespace mbgl {
 
-namespace style {
-class ColorRampPropertyValue;
-} // namespace style
-
-class ColorRampRenderData {
-public:
-    explicit ColorRampRenderData(const style::ColorRampPropertyValue&);
-    void upload(gfx::UploadPass&);
-    const PremultipliedImage image;
-    optional<gfx::Texture> texture;
-};
+class ColorRampRenderData;
 
 class RenderLineLayer final : public RenderLayer {
 public: