SDF icon support (fixes #404)

1 files changed, 14 insertions, 1 deletions

diff --git a/include/mbgl/renderer/painter.hpp b/include/mbgl/renderer/painter.hpp
index af50a6b52a..75529d1136 100644
--- a/include/mbgl/renderer/painter.hpp
+++ b/include/mbgl/renderer/painter.hpp
@@ -120,12 +120,24 @@ public:
     void discardFramebuffers();
 
     bool needsAnimation() const;
+
 private:
     void setupShaders();
     mat4 translatedMatrix(const mat4& matrix, const std::array<float, 2> &translation, const Tile::ID &id, TranslateAnchorType anchor);
 
     void prepareTile(const Tile& tile);
 
+    template <typename BucketProperties, typename StyleProperties>
+    void renderSDF(SymbolBucket &bucket,
+                   const Tile::ID &id,
+                   const mat4 &matrixSymbol,
+                   const BucketProperties& bucketProperties,
+                   const StyleProperties& styleProperties,
+                   float scaleDivisor,
+                   std::array<float, 2> texsize,
+                   SDFShader& sdfShader,
+                   void (SymbolBucket::*drawSDF)(SDFShader&));
+
 public:
     void useProgram(uint32_t program);
     void lineWidth(float lineWidth);
@@ -176,7 +188,8 @@ public:
     std::unique_ptr<PatternShader> patternShader;
     std::unique_ptr<IconShader> iconShader;
     std::unique_ptr<RasterShader> rasterShader;
-    std::unique_ptr<SDFShader> sdfShader;
+    std::unique_ptr<SDFGlyphShader> sdfGlyphShader;
+    std::unique_ptr<SDFIconShader> sdfIconShader;
     std::unique_ptr<DotShader> dotShader;
     std::unique_ptr<GaussianShader> gaussianShader;