1 files changed, 10 insertions, 3 deletions
diff --git a/src/mbgl/renderer/sources/render_image_source.cpp b/src/mbgl/renderer/sources/render_image_source.cpp
index 30f1bbcee6..215bbb1c92 100644
--- a/src/mbgl/renderer/sources/render_image_source.cpp
+++ b/src/mbgl/renderer/sources/render_image_source.cpp
@@ -23,13 +23,19 @@ void ImageSourceRenderData::upload(gfx::UploadPass& uploadPass) const {
     if (bucket && bucket->needsUpload()) {
         bucket->upload(uploadPass);
     }
+
+    if (!debugTexture) {
+        std::array<uint8_t, 4> data{{0, 0, 0, 0}};
+        static const PremultipliedImage emptyImage{Size(1, 1), data.data(), data.size()};
+        debugTexture = uploadPass.createTexture(emptyImage);
+    }
 }
 
 void ImageSourceRenderData::render(PaintParameters& parameters) const {
     if (!bucket || !(parameters.debugOptions & MapDebugOptions::TileBorders)) {
         return;
     }
-
+    assert(debugTexture);
     static const style::Properties<>::PossiblyEvaluated properties {};
     static const DebugProgram::Binders paintAttributeData(properties, 0);
 
@@ -47,13 +53,14 @@ void ImageSourceRenderData::render(PaintParameters& parameters) const {
                              parameters.staticData.tileBorderSegments(),
                              programInstance.computeAllUniformValues(
                                  DebugProgram::LayoutUniformValues{uniforms::matrix::Value(matrix),
-                                                                   uniforms::color::Value(Color::red())},
+                                                                   uniforms::color::Value(Color::red()),
+                                                                   uniforms::overlay_scale::Value(1.0f)},
                                  paintAttributeData,
                                  properties,
                                  parameters.state.getZoom()),
                              programInstance.computeAllAttributeBindings(
                                  *parameters.staticData.tileVertexBuffer, paintAttributeData, properties),
-                             DebugProgram::TextureBindings{},
+                             DebugProgram::TextureBindings{textures::image::Value{debugTexture->getResource()}},
                              "image");
     }
 }