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| author | Mikhail Pozdnyakov <mikhail.pozdnyakov@mapbox.com> | 2019-06-04 14:57:59 +0300 |
|---|---|---|
| committer | Mikhail Pozdnyakov <mikhail.pozdnyakov@mapbox.com> | 2019-06-04 15:28:00 +0300 |
| commit | 76d8fd0a798ac49445b0211f4c3b04909a61e344 (patch) | |
| tree | 3b44eafe54ec467c8392e3413aafd561f18fe20d | |
| parent | a9abc43510b4206ffa9c54c3d4c9aa2ed0d1cfce (diff) | |
| download | qtlocation-mapboxgl-76d8fd0a798ac49445b0211f4c3b04909a61e344.tar.gz | |
[core] Update comments for pattern atlas
| -rw-r--r-- | src/mbgl/renderer/layers/render_background_layer.cpp | 3 | ||||
| -rw-r--r-- | src/mbgl/renderer/pattern_atlas.cpp | 7 |
2 files changed, 5 insertions, 5 deletions
diff --git a/src/mbgl/renderer/layers/render_background_layer.cpp b/src/mbgl/renderer/layers/render_background_layer.cpp index be18e2ccb2..db755adf0b 100644 --- a/src/mbgl/renderer/layers/render_background_layer.cpp +++ b/src/mbgl/renderer/layers/render_background_layer.cpp @@ -154,7 +154,8 @@ void addPatternIfNeeded(const std::string& id, const LayerPrepareParameters& par void RenderBackgroundLayer::prepare(const LayerPrepareParameters& params) { const auto& evaluated = static_cast<const BackgroundLayerProperties&>(*evaluatedProperties).evaluated; if (!evaluated.get<BackgroundPattern>().to.empty()) { - // Ensures that the texture gets added and uploaded to the atlas. + // Ensures that the pattern bitmap gets copied to atlas bitmap. + // Atlas bitmap is uploaded to atlas texture in upload. addPatternIfNeeded(evaluated.get<BackgroundPattern>().from, params); addPatternIfNeeded(evaluated.get<BackgroundPattern>().to, params); } diff --git a/src/mbgl/renderer/pattern_atlas.cpp b/src/mbgl/renderer/pattern_atlas.cpp index 320412685b..81223b5ce0 100644 --- a/src/mbgl/renderer/pattern_atlas.cpp +++ b/src/mbgl/renderer/pattern_atlas.cpp @@ -6,10 +6,9 @@ namespace mbgl { namespace { -// When copied into the atlas texture, image data is padded by one pixel on each side. Icon -// images are padded with fully transparent pixels, while pattern images are padded with a -// copy of the image data wrapped from the opposite side. In both cases, this ensures the -// correct behavior of GL_LINEAR texture sampling mode. +// When copied into the atlas texture, image data is padded by one pixel on each side. +// Pattern images are padded with a copy of the image data wrapped from the opposite side. +// This ensures the correct behavior of GL_LINEAR texture sampling mode. const uint16_t padding = 1; mapbox::ShelfPack::ShelfPackOptions shelfPackOptions() { |