[core][ios][android][macos] Use premultiplied image directly for RasterTile and ImageSource, un-premultiply in the shader for blending

2017-07-11 14:31:05 -07:00
parent 1d15ed64dc
commit 8ae7010546
15 changed files with 53 additions and 34 deletions
--- a/src/mbgl/tile/raster_tile_worker.cpp
+++ b/src/mbgl/tile/raster_tile_worker.cpp
@@ -17,7 +17,7 @@ void RasterTileWorker::parse(std::shared_ptr<const std::string> data) {
    }

    try {
-        auto bucket = std::make_unique<RasterBucket>(util::unpremultiply(decodeImage(*data)));
+        auto bucket = std::make_unique<RasterBucket>(decodeImage(*data));
        parent.invoke(&RasterTile::onParsed, std::move(bucket));
    } catch (...) {
        parent.invoke(&RasterTile::onError, std::current_exception());