remove hardcoded tilesizes and allow for @2x tile requests

4 files changed, 6 insertions, 5 deletions

diff --git a/src/mbgl/programs/hillshade_prepare_program.hpp b/src/mbgl/programs/hillshade_prepare_program.hpp
index 5fc0c86a0e..0f31a22df5 100644
--- a/src/mbgl/programs/hillshade_prepare_program.hpp
+++ b/src/mbgl/programs/hillshade_prepare_program.hpp
@@ -9,7 +9,7 @@
 namespace mbgl {
 
 namespace uniforms {
-MBGL_DEFINE_UNIFORM_VECTOR(float, 2, u_dimension);
+MBGL_DEFINE_UNIFORM_VECTOR(uint16_t, 2, u_dimension);
 } // namespace uniforms
 
 class HillshadePrepareProgram : public Program<
diff --git a/src/mbgl/renderer/layers/render_hillshade_layer.cpp b/src/mbgl/renderer/layers/render_hillshade_layer.cpp
index 11567a8ba5..1ab152e6a6 100644
--- a/src/mbgl/renderer/layers/render_hillshade_layer.cpp
+++ b/src/mbgl/renderer/layers/render_hillshade_layer.cpp
@@ -97,7 +97,8 @@ void RenderHillshadeLayer::render(PaintParameters& parameters, RenderSource*) {
         if (!bucket.hasData())
             continue;
         if (!bucket.isPrepared() && parameters.pass == RenderPass::Pass3D) {
-            OffscreenTexture view(parameters.context, { 256, 256 });
+            const uint16_t tilesize = bucket.getDEMData().level.dim;
+            OffscreenTexture view(parameters.context, { tilesize, tilesize });
             view.bind();
             
             parameters.context.bindTexture(*bucket.dem, 0, gl::TextureFilter::Nearest, gl::TextureMipMap::No, gl::TextureWrap::Clamp, gl::TextureWrap::Clamp);
@@ -115,7 +116,7 @@ void RenderHillshadeLayer::render(PaintParameters& parameters, RenderSource*) {
                 parameters.colorModeForRenderPass(),
                 HillshadePrepareProgram::UniformValues {
                     uniforms::u_matrix::Value { mat },
-                    uniforms::u_dimension::Value { {{512, 512 }} },
+                    uniforms::u_dimension::Value { {{uint16_t(tilesize * 2), uint16_t(tilesize * 2) }} },
                     uniforms::u_zoom::Value{ float(tile.id.canonical.z) },
                     uniforms::u_image::Value{ 0 }
                 },
diff --git a/src/mbgl/renderer/sources/render_raster_dem_source.cpp b/src/mbgl/renderer/sources/render_raster_dem_source.cpp
index 3a004ec595..ff394bac8e 100644
--- a/src/mbgl/renderer/sources/render_raster_dem_source.cpp
+++ b/src/mbgl/renderer/sources/render_raster_dem_source.cpp
@@ -77,7 +77,7 @@ void RenderRasterDEMSource::onTileChanged(Tile& tile){
 
     if (tile.isRenderable() && demtile.neighboringTiles != DEMTileNeighbors::Complete) {
         const CanonicalTileID canonical = tile.id.canonical;
-        const uint dim = std::pow(2, canonical.z);
+        const uint16_t dim = std::pow(2, canonical.z);
         const uint32_t px = (canonical.x - 1 + dim) % dim;
         const int pxw = canonical.x == 0 ? tile.id.wrap - 1 : tile.id.wrap;
         const uint32_t nx = (canonical.x + 1 + dim) % dim;
diff --git a/src/mbgl/util/mapbox.cpp b/src/mbgl/util/mapbox.cpp
index 802b527a26..cdd51a293d 100644
--- a/src/mbgl/util/mapbox.cpp
+++ b/src/mbgl/util/mapbox.cpp
@@ -133,7 +133,7 @@ canonicalizeTileURL(const std::string& str, const style::SourceType type, const
     std::string result = "mapbox://tiles/";
     result.append(str, path.directory.first + versionLen, path.directory.second - versionLen);
     result.append(str, path.filename.first, path.filename.second);
-    if (type == style::SourceType::Raster) {
+    if (type == style::SourceType::Raster || type == style::SourceType::RasterDEM) {
         result += tileSize == util::tileSize ? "@2x" : "{ratio}";
     }